Refactor Api-Client

Add Exceptionhandler, AlertService JSON-Converter
AppSettings via DI

Reformat Code

.editorconfig

@@ -0,0 +1,247 @@
+# Entfernen Sie die folgende Zeile, wenn Sie EDITORCONFIG-Einstellungen von höheren Verzeichnissen vererben möchten.
+root = true
+
+# C#-Dateien
+[*.cs]
+
+#### Wichtige EditorConfig-Optionen ####
+
+# Einzüge und Abstände
+indent_size = 4
+indent_style = tab
+tab_width = 4
+
+# Einstellungen für neue Zeilen
+end_of_line = crlf
+insert_final_newline = false
+
+#### .NET Codeaktionen ####
+
+# Typmitglied
+dotnet_hide_advanced_members = false
+dotnet_member_insertion_location = with_other_members_of_the_same_kind
+dotnet_property_generation_behavior = prefer_throwing_properties
+
+# Symbolsuche
+dotnet_search_reference_assemblies = true
+
+#### .NET-Codierungskonventionen ####
+
+# Using-Direktiven organisieren
+dotnet_separate_import_directive_groups = false
+dotnet_sort_system_directives_first = false
+file_header_template = unset
+
+# this.- und Me.-Einstellungen
+dotnet_style_qualification_for_event = false
+dotnet_style_qualification_for_field = false
+dotnet_style_qualification_for_method = false
+dotnet_style_qualification_for_property = false
+
+# Einstellungen für Sprachschlüsselwörter und BCL-Typen
+dotnet_style_predefined_type_for_locals_parameters_members = true
+dotnet_style_predefined_type_for_member_access = true
+
+# Einstellungen für Klammern
+dotnet_style_parentheses_in_arithmetic_binary_operators = always_for_clarity
+dotnet_style_parentheses_in_other_binary_operators = always_for_clarity
+dotnet_style_parentheses_in_other_operators = never_if_unnecessary
+dotnet_style_parentheses_in_relational_binary_operators = always_for_clarity
+
+# Einstellungen für Modifizierer
+dotnet_style_require_accessibility_modifiers = for_non_interface_members
+
+# Einstellungen für Ausdrucksebene
+dotnet_prefer_system_hash_code = true
+dotnet_style_coalesce_expression = true
+dotnet_style_collection_initializer = true
+dotnet_style_explicit_tuple_names = true
+dotnet_style_namespace_match_folder = true
+dotnet_style_null_propagation = true
+dotnet_style_object_initializer = true
+dotnet_style_operator_placement_when_wrapping = beginning_of_line
+dotnet_style_prefer_auto_properties = true
+dotnet_style_prefer_collection_expression = when_types_loosely_match
+dotnet_style_prefer_compound_assignment = true
+dotnet_style_prefer_conditional_expression_over_assignment = true
+dotnet_style_prefer_conditional_expression_over_return = true
+dotnet_style_prefer_foreach_explicit_cast_in_source = when_strongly_typed
+dotnet_style_prefer_inferred_anonymous_type_member_names = true
+dotnet_style_prefer_inferred_tuple_names = true
+dotnet_style_prefer_is_null_check_over_reference_equality_method = true
+dotnet_style_prefer_simplified_boolean_expressions = true
+dotnet_style_prefer_simplified_interpolation = true
+
+# Einstellungen für Felder
+dotnet_style_readonly_field = true
+
+# Einstellungen für Parameter
+dotnet_code_quality_unused_parameters = all
+
+# Unterdrückungseinstellungen
+dotnet_remove_unnecessary_suppression_exclusions = none
+
+# Einstellungen für neue Zeilen
+dotnet_style_allow_multiple_blank_lines_experimental = true
+dotnet_style_allow_statement_immediately_after_block_experimental = true
+
+#### C#-Codierungskonventionen ####
+
+# Var-Einstellungen
+csharp_style_var_elsewhere = false
+csharp_style_var_for_built_in_types = false
+csharp_style_var_when_type_is_apparent = false
+
+# Ausdruckskörpermember
+csharp_style_expression_bodied_accessors = true
+csharp_style_expression_bodied_constructors = false
+csharp_style_expression_bodied_indexers = true
+csharp_style_expression_bodied_lambdas = true
+csharp_style_expression_bodied_local_functions = false
+csharp_style_expression_bodied_methods = false
+csharp_style_expression_bodied_operators = false
+csharp_style_expression_bodied_properties = true
+
+# Einstellungen für den Musterabgleich
+csharp_style_pattern_matching_over_as_with_null_check = true
+csharp_style_pattern_matching_over_is_with_cast_check = true
+csharp_style_prefer_extended_property_pattern = true
+csharp_style_prefer_not_pattern = true
+csharp_style_prefer_pattern_matching = true
+csharp_style_prefer_switch_expression = true
+
+# Einstellungen für NULL-Überprüfung
+csharp_style_conditional_delegate_call = true
+
+# Einstellungen für Modifizierer
+csharp_prefer_static_anonymous_function = true
+csharp_prefer_static_local_function = true
+csharp_preferred_modifier_order = public, private, protected, internal, file, static, extern, new, virtual, abstract, sealed, override, readonly, unsafe, required, volatile, async
+csharp_style_prefer_readonly_struct = true
+csharp_style_prefer_readonly_struct_member = true
+
+# Einstellungen für Codeblöcke
+csharp_prefer_braces = true
+csharp_prefer_simple_using_statement = true
+csharp_prefer_system_threading_lock = true
+csharp_style_namespace_declarations = block_scoped
+csharp_style_prefer_method_group_conversion = true
+csharp_style_prefer_primary_constructors = true
+csharp_style_prefer_simple_property_accessors = true
+csharp_style_prefer_top_level_statements = true
+
+# Einstellungen für Ausdrucksebene
+csharp_prefer_simple_default_expression = true
+csharp_style_deconstructed_variable_declaration = true
+csharp_style_implicit_object_creation_when_type_is_apparent = true
+csharp_style_inlined_variable_declaration = true
+csharp_style_prefer_implicitly_typed_lambda_expression = true
+csharp_style_prefer_index_operator = true
+csharp_style_prefer_local_over_anonymous_function = true
+csharp_style_prefer_null_check_over_type_check = true
+csharp_style_prefer_range_operator = true
+csharp_style_prefer_tuple_swap = true
+csharp_style_prefer_unbound_generic_type_in_nameof = true
+csharp_style_prefer_utf8_string_literals = true
+csharp_style_throw_expression = true
+csharp_style_unused_value_assignment_preference = discard_variable
+csharp_style_unused_value_expression_statement_preference = discard_variable
+
+# Einstellungen für using-Anweisungen
+csharp_using_directive_placement = outside_namespace
+
+# Einstellungen für neue Zeilen
+csharp_style_allow_blank_line_after_colon_in_constructor_initializer_experimental = true
+csharp_style_allow_blank_line_after_token_in_arrow_expression_clause_experimental = true
+csharp_style_allow_blank_line_after_token_in_conditional_expression_experimental = true
+csharp_style_allow_blank_lines_between_consecutive_braces_experimental = true
+csharp_style_allow_embedded_statements_on_same_line_experimental = true
+
+#### C#-Formatierungsregeln ####
+
+# Einstellungen für neue Zeilen
+csharp_new_line_before_catch = false
+csharp_new_line_before_else = false
+csharp_new_line_before_finally = false
+csharp_new_line_before_members_in_anonymous_types = true
+csharp_new_line_before_members_in_object_initializers = true
+csharp_new_line_before_open_brace = none
+csharp_new_line_between_query_expression_clauses = true
+
+# Einstellungen für Einrückung
+csharp_indent_block_contents = true
+csharp_indent_braces = false
+csharp_indent_case_contents = true
+csharp_indent_case_contents_when_block = true
+csharp_indent_labels = one_less_than_current
+csharp_indent_switch_labels = true
+
+# Einstellungen für Abstände
+csharp_space_after_cast = false
+csharp_space_after_colon_in_inheritance_clause = true
+csharp_space_after_comma = true
+csharp_space_after_dot = false
+csharp_space_after_keywords_in_control_flow_statements = true
+csharp_space_after_semicolon_in_for_statement = true
+csharp_space_around_binary_operators = before_and_after
+csharp_space_around_declaration_statements = false
+csharp_space_before_colon_in_inheritance_clause = true
+csharp_space_before_comma = false
+csharp_space_before_dot = false
+csharp_space_before_open_square_brackets = false
+csharp_space_before_semicolon_in_for_statement = false
+csharp_space_between_empty_square_brackets = false
+csharp_space_between_method_call_empty_parameter_list_parentheses = false
+csharp_space_between_method_call_name_and_opening_parenthesis = false
+csharp_space_between_method_call_parameter_list_parentheses = false
+csharp_space_between_method_declaration_empty_parameter_list_parentheses = false
+csharp_space_between_method_declaration_name_and_open_parenthesis = false
+csharp_space_between_method_declaration_parameter_list_parentheses = false
+csharp_space_between_parentheses = false
+csharp_space_between_square_brackets = false
+
+# Umbrucheinstellungen
+csharp_preserve_single_line_blocks = true
+csharp_preserve_single_line_statements = true
+
+#### Benennungsstile ####
+
+# Benennungsregeln
+
+dotnet_naming_rule.interface_should_be_begins_with_i.severity = suggestion
+dotnet_naming_rule.interface_should_be_begins_with_i.symbols = interface
+dotnet_naming_rule.interface_should_be_begins_with_i.style = begins_with_i
+
+dotnet_naming_rule.types_should_be_pascal_case.severity = suggestion
+dotnet_naming_rule.types_should_be_pascal_case.symbols = types
+dotnet_naming_rule.types_should_be_pascal_case.style = pascal_case
+
+dotnet_naming_rule.non_field_members_should_be_pascal_case.severity = suggestion
+dotnet_naming_rule.non_field_members_should_be_pascal_case.symbols = non_field_members
+dotnet_naming_rule.non_field_members_should_be_pascal_case.style = pascal_case
+
+# Symbolspezifikationen
+
+dotnet_naming_symbols.interface.applicable_kinds = interface
+dotnet_naming_symbols.interface.applicable_accessibilities = public, internal, private, protected, protected_internal, private_protected
+dotnet_naming_symbols.interface.required_modifiers =
+
+dotnet_naming_symbols.types.applicable_kinds = class, struct, interface, enum
+dotnet_naming_symbols.types.applicable_accessibilities = public, internal, private, protected, protected_internal, private_protected
+dotnet_naming_symbols.types.required_modifiers =
+
+dotnet_naming_symbols.non_field_members.applicable_kinds = property, event, method
+dotnet_naming_symbols.non_field_members.applicable_accessibilities = public, internal, private, protected, protected_internal, private_protected
+dotnet_naming_symbols.non_field_members.required_modifiers =
+
+# Benennungsstile
+
+dotnet_naming_style.pascal_case.required_prefix =
+dotnet_naming_style.pascal_case.required_suffix =
+dotnet_naming_style.pascal_case.word_separator =
+dotnet_naming_style.pascal_case.capitalization = pascal_case
+
+dotnet_naming_style.begins_with_i.required_prefix = I
+dotnet_naming_style.begins_with_i.required_suffix =
+dotnet_naming_style.begins_with_i.word_separator =
+dotnet_naming_style.begins_with_i.capitalization = pascal_case

Jugenddienst Stunden/App.xaml

@@ -1,4 +1,5 @@
-<?xml version = "1.0" encoding = "UTF-8" ?>
+<?xml version="1.0" encoding="UTF-8"?>
+
 <Application xmlns="http://schemas.microsoft.com/dotnet/2021/maui"
              xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
              xmlns:local="clr-namespace:Jugenddienst_Stunden"

Jugenddienst Stunden/App.xaml.cs

@@ -4,12 +4,11 @@
 /// Die Hauptanwendungsklasse.
 /// </summary>
 public partial class App : Application {
-
-    /// <summary>
-    /// Initialisiert eine neue Instanz der <see cref="App"/>-Klasse.
-    /// </summary>
-    public App() {
-        InitializeComponent();
-        MainPage = new AppShell();
-    }
+	/// <summary>
+	/// Initialisiert eine neue Instanz der <see cref="App"/>-Klasse.
+	/// </summary>
+	public App() {
+		InitializeComponent();
+		MainPage = new AppShell();
+	}
 }

Jugenddienst Stunden/AppShell.xaml

@@ -1,4 +1,5 @@
-<?xml version="1.0" encoding="UTF-8" ?>
+<?xml version="1.0" encoding="UTF-8"?>
+
 <Shell
     x:Class="Jugenddienst_Stunden.AppShell"
     xmlns="http://schemas.microsoft.com/dotnet/2021/maui"
@@ -10,7 +11,8 @@
         <ShellContent
             Title="Stunden"
             ContentTemplate="{DataTemplate views:StundenPage}"
-            Icon="{OnPlatform 'icon_watch.png', iOS='icon_watch_ios.png', MacCatalyst='icon_watch_ios.png'}" Route="StundenPage" />
+            Icon="{OnPlatform 'icon_watch.png', iOS='icon_watch_ios.png', MacCatalyst='icon_watch_ios.png'}"
+            Route="StundenPage" />
 
         <ShellContent
             Title="Notizen"

Jugenddienst Stunden/AppShell.xaml.cs

@@ -1,4 +1,5 @@
 namespace Jugenddienst_Stunden;
+
 /// <summary>
 /// AppShell.xaml.cs
 /// </summary>
@@ -13,7 +14,7 @@ public partial class AppShell : Shell {
 		Routing.RegisterRoute(nameof(Views.NotePage), typeof(Views.NotePage));
 		Routing.RegisterRoute(nameof(Views.StundePage), typeof(Views.StundePage));
 		
+		//Muss ich die registrieren?
+		Routing.RegisterRoute(nameof(Views.LoginPage), typeof(Views.LoginPage));
 	}
-
-	
 }

Jugenddienst Stunden/Converter/CollectionVisibilityConverter.cs

@@ -2,20 +2,21 @@
 
 /// Gib true zurück, wenn die Collection Werte enthält
 namespace Jugenddienst_Stunden.Converter {
-    internal class CollectionVisibilityConverter : IValueConverter {
-        public object? Convert(object? value, Type targetType, object? parameter, CultureInfo culture) {
-            if (value is IEnumerable<object> collection) {
-                if ((string)parameter == "Invert")
-                    return !collection.Any();
-                return collection.Any();
-            }
-            if ((string)parameter == "Invert")
-                return true;
-            return false;
-        }
+	internal class CollectionVisibilityConverter : IValueConverter {
+		public object? Convert(object? value, Type targetType, object? parameter, CultureInfo culture) {
+			if (value is IEnumerable<object> collection) {
+				if ((string)parameter == "Invert")
+					return !collection.Any();
+				return collection.Any();
+			}
 
-        public object? ConvertBack(object? value, Type targetType, object? parameter, CultureInfo culture) {
-            throw new NotImplementedException();
-        }
-    }
+			if ((string)parameter == "Invert")
+				return true;
+			return false;
+		}
+
+		public object? ConvertBack(object? value, Type targetType, object? parameter, CultureInfo culture) {
+			throw new NotImplementedException();
+		}
+	}
 }

Jugenddienst Stunden/Converter/IntBoolConverter.cs

@@ -1,11 +1,11 @@
 using System.Globalization;
 
 namespace Jugenddienst_Stunden.Converter;
+
 /// <summary>
 /// Falls ein int als bool dargestellt werden soll
 /// </summary>
 public class IntBoolConverter : IValueConverter {
-
 	/// <summary>
 	/// Konvertiert einen int in einen bool
 	/// </summary>
@@ -18,6 +18,7 @@ public class IntBoolConverter : IValueConverter {
 		if (value is int) {
 			return (int)value != 0;
 		}
+
 		return false;
 	}
 
@@ -33,6 +34,7 @@ public class IntBoolConverter : IValueConverter {
 		if (value is bool) {
 			return (bool)value ? 1 : 0;
 		}
+
 		return 0;
 	}
 }

Jugenddienst Stunden/Converter/SecondsTimeConverter.cs

@@ -1,36 +1,37 @@
 using System.Globalization;
 
 namespace Jugenddienst_Stunden.Converter;
+
 internal class SecondsTimeConverter : IValueConverter {
+	private int seconds;
 
-    private int seconds;
+	/// <summary>
+	/// Konvertiert eine Sekundenangabe nach Stunden:Minuten, auch bei mehr als 24 Stunden
+	/// </summary>
+	public object? Convert(object? value, Type targetType, object? parameter, CultureInfo culture) {
+		if (value is null)
+			return "0:0";
+		if (value is int) {
+			seconds = (int)value;
+		}
 
-    /// <summary>
-    /// Konvertiert eine Sekundenangabe nach Stunden:Minuten, auch bei mehr als 24 Stunden
-    /// </summary>
-    public object? Convert(object? value, Type targetType, object? parameter, CultureInfo culture) {
-        if (value is null)
-            return "0:0";
-        if (value is int) {
-            seconds = (int)value;
-        }
-        if (value is double) {
-            seconds = (int)Math.Round((double)value);
-        } else {
-            int.TryParse((string?)value, out seconds);
-        }
+		if (value is double) {
+			seconds = (int)Math.Round((double)value);
+		} else {
+			int.TryParse((string?)value, out seconds);
+		}
 
-        TimeSpan time = TimeSpan.FromSeconds(seconds);
+		TimeSpan time = TimeSpan.FromSeconds(seconds);
 
-        return (int)time.TotalHours + ":" + Math.Abs(time.Minutes);
+		return (int)time.TotalHours + ":" + Math.Abs(time.Minutes);
 
-        //return time.ToString(@"hh\:mm");
-        //return time.ToString(@"hh\:mm\:ss");
+		//return time.ToString(@"hh\:mm");
+		//return time.ToString(@"hh\:mm\:ss");
 
-        //return "00:00";
-    }
+		//return "00:00";
+	}
 
-    public object? ConvertBack(object? value, Type targetType, object? parameter, CultureInfo culture) {
-        throw new NotImplementedException();
-    }
+	public object? ConvertBack(object? value, Type targetType, object? parameter, CultureInfo culture) {
+		throw new NotImplementedException();
+	}
 }

Jugenddienst Stunden/Converter/StringVisibilityConverter.cs

@@ -1,15 +1,17 @@
 using System.Globalization;
 
 namespace Jugenddienst_Stunden.Converter;
-internal class StringVisibilityConverter : IValueConverter {
-    public object? Convert(object? value, Type targetType, object? parameter, CultureInfo culture) {
-        if (value is string strValue) {
-            return !string.IsNullOrEmpty(strValue.Replace("Server: ",""));
-        }
-        return false;
-    }
 
-    public object? ConvertBack(object? value, Type targetType, object? parameter, CultureInfo culture) {
-        throw new NotImplementedException();
-    }
+internal class StringVisibilityConverter : IValueConverter {
+	public object? Convert(object? value, Type targetType, object? parameter, CultureInfo culture) {
+		if (value is string strValue) {
+			return !string.IsNullOrEmpty(strValue.Replace("Server: ", ""));
+		}
+
+		return false;
+	}
+
+	public object? ConvertBack(object? value, Type targetType, object? parameter, CultureInfo culture) {
+		throw new NotImplementedException();
+	}
 }

Jugenddienst Stunden/Exceptions/NoDataException.cs

@@ -5,8 +5,14 @@ using System.Text;
 using System.Threading.Tasks;
 
 namespace Jugenddienst_Stunden.Exceptions;
+
 public class NoDataException : Exception {
-	public NoDataException() : base("Keine Daten gefunden") { }
-	public NoDataException(string message) : base(message) { }
-	public NoDataException(string message, Exception inner) : base(message, inner) { }
+	public NoDataException() : base("Keine Daten gefunden") {
+	}
+
+	public NoDataException(string message) : base(message) {
+	}
+
+	public NoDataException(string message, Exception inner) : base(message, inner) {
+	}
 }

Jugenddienst Stunden/Infrastructure/AlertService.cs

@@ -0,0 +1,15 @@
+using Jugenddienst_Stunden.Interfaces;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Jugenddienst_Stunden.Infrastructure;
+
+internal sealed class AlertService : IAlertService {
+	public event EventHandler<string>? AlertRaised;
+	public void Raise(string message) {
+		AlertRaised?.Invoke(this, message);
+	}
+}

Jugenddienst Stunden/Infrastructure/ApiClient.cs

@@ -0,0 +1,111 @@
+using System.Net.Http.Headers;
+using System.Text;
+using System.Text.Json;
+using System.Net.Http.Json;
+using Jugenddienst_Stunden.Interfaces;
+
+namespace Jugenddienst_Stunden.Infrastructure;
+
+internal sealed class ApiClient : IApiClient {
+	private readonly HttpClient _http;
+	private readonly JsonSerializerOptions _json;
+	private readonly ApiOptions _options;
+	private readonly IAppSettings _settings;
+
+	public ApiClient(HttpClient http, ApiOptions options, ITokenProvider tokenProvider, IAppSettings settings) {
+		_http = http;
+		_options = options;
+		_settings = settings;
+
+		_http.Timeout = options.Timeout;
+		if (!_http.DefaultRequestHeaders.Accept.Any())
+			_http.DefaultRequestHeaders.Accept.Add(new MediaTypeWithQualityHeaderValue("application/json"));
+
+		var token = tokenProvider.GetToken();
+		if (!string.IsNullOrWhiteSpace(token))
+			_http.DefaultRequestHeaders.Authorization = new AuthenticationHeaderValue("Bearer", token);
+
+		_json = new JsonSerializerOptions {
+			PropertyNameCaseInsensitive = true,
+			WriteIndented = false,
+			DefaultIgnoreCondition = System.Text.Json.Serialization.JsonIgnoreCondition.WhenWritingNull
+		};
+
+		// Globale Converter: erlauben numerische Felder auch als Strings (z.B. user.id)
+		_json.Converters.Add(new Jugenddienst_Stunden.Models.JsonFlexibleInt32Converter());
+		_json.Converters.Add(new Jugenddienst_Stunden.Models.JsonFlexibleNullableInt32Converter());
+
+		// Stelle sicher, dass die BaseAddress sofort aus den aktuellen Settings (Preferences) gesetzt wird
+		// und nicht erst beim ersten Request. Dadurch steht die ApiUrl ab Initialisierung zur Verfügung.
+		EnsureBaseAddress();
+	}
+
+	public Task<T> GetAsync<T>(string path, IDictionary<string, string?>? query = null, CancellationToken ct = default)
+		=> SendAsync<T>(HttpMethod.Get, path, null, query, ct);
+
+	public async Task<T> SendAsync<T>(HttpMethod method, string path, object? body = null,
+		IDictionary<string, string?>? query = null, CancellationToken ct = default) {
+		// Vor jedem Request sicherstellen, dass die (ggf. geänderte) BaseAddress gesetzt ist
+		EnsureBaseAddress();
+		var uri = BuildUri(path, query);
+		using var req = new HttpRequestMessage(method, uri) {
+			Content = body is null ? null : JsonContent.Create(body, options: _json)
+		};
+
+		using var res = await _http.SendAsync(req, HttpCompletionOption.ResponseHeadersRead, ct).ConfigureAwait(false);
+		var text = await res.Content.ReadAsStringAsync(ct).ConfigureAwait(false);
+		if (!res.IsSuccessStatusCode)
+			throw ApiException.From(res.StatusCode, TryGetMessage(text), text);
+
+		if (typeof(T) == typeof(void) || typeof(T) == typeof(object) || string.IsNullOrWhiteSpace(text))
+			return default!;
+
+		var obj = System.Text.Json.JsonSerializer.Deserialize<T>(text, _json);
+		if (obj is null)
+			throw new ApiException("Fehler beim Deserialisieren der Daten.");
+		return obj;
+	}
+
+	public Task DeleteAsync(string path, IDictionary<string, string?>? query = null, CancellationToken ct = default)
+		=> SendAsync<object>(HttpMethod.Delete, path, null, query, ct);
+
+	private void EnsureBaseAddress() {
+		var baseUrl = _settings.ApiUrl;
+
+		if (string.IsNullOrWhiteSpace(baseUrl)) {
+			throw new InvalidOperationException(
+				"ApiUrl ist leer. Bitte zuerst eine gültige Server-URL setzen (Preferences key 'apiUrl'), " +
+				"z.B. im Login/Setup, bevor API-Aufrufe stattfinden."
+			);
+		}
+
+		// nur setzen, wenn nötig (damit spätere Änderungen nach Login greifen)
+		if (_http.BaseAddress is null || !Uri.Equals(_http.BaseAddress, new Uri(baseUrl, UriKind.Absolute))) {
+			_http.BaseAddress = new Uri(baseUrl, UriKind.Absolute);
+			_http.Timeout = _options.Timeout;
+		}
+	}
+
+	private static string TryGetMessage(string text) {
+		try {
+			using var doc = JsonDocument.Parse(text);
+			if (doc.RootElement.TryGetProperty("message", out var m) && m.ValueKind == JsonValueKind.String)
+				return m.GetString() ?? text;
+		} catch {
+		}
+
+		return text;
+	}
+
+	private static Uri BuildUri(string path, IDictionary<string, string?>? query) {
+		if (query is null || query.Count == 0)
+			return new Uri(path, UriKind.Relative);
+
+		var sb = new StringBuilder(path);
+		sb.Append(path.Contains('?') ? '&' : '?');
+		sb.Append(string.Join('&', query
+			.Where(kv => kv.Value is not null)
+			.Select(kv => $"{Uri.EscapeDataString(kv.Key)}={Uri.EscapeDataString(kv.Value!)}")));
+		return new Uri(sb.ToString(), UriKind.Relative);
+	}
+}

Jugenddienst Stunden/Infrastructure/ApiOptions.cs

@@ -0,0 +1,6 @@
+namespace Jugenddienst_Stunden.Infrastructure;
+
+internal sealed class ApiOptions {
+	public required string BaseUrl { get; init; }
+	public TimeSpan Timeout { get; init; } = TimeSpan.FromSeconds(15);
+}

Jugenddienst Stunden/Infrastructure/Exceptions.cs

@@ -0,0 +1,23 @@
+using System.Net;
+
+namespace Jugenddienst_Stunden.Infrastructure;
+
+internal class ApiException : Exception {
+	public HttpStatusCode StatusCode { get; }
+	public string? ResponseBody { get; }
+
+	public ApiException(string message, HttpStatusCode statusCode = 0, string? responseBody = null,
+		Exception? inner = null)
+		: base(message, inner) {
+		StatusCode = statusCode;
+		ResponseBody = responseBody;
+	}
+
+	public static ApiException From(HttpStatusCode statusCode, string message, string? responseBody = null)
+		=> new ApiException(message, statusCode, responseBody);
+}
+
+internal class ValidationException : Exception {
+	public ValidationException(string message) : base(message) {
+	}
+}

Jugenddienst Stunden/Infrastructure/NullApiClient.cs

@@ -0,0 +1,23 @@
+using Jugenddienst_Stunden.Interfaces;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Jugenddienst_Stunden.Infrastructure;
+
+internal sealed class NullApiClient : IApiClient {
+	private readonly string _message;
+	public NullApiClient(string message) => _message = message ?? "API nicht konfiguriert.";
+
+	public Task<T> GetAsync<T>(string path, IDictionary<string, string?>? query = null, CancellationToken ct = default)
+		=> Task.FromException<T>(new InvalidOperationException(_message));
+
+	public Task<T> SendAsync<T>(HttpMethod method, string path, object? body = null,
+		IDictionary<string, string?>? query = null, CancellationToken ct = default)
+		=> Task.FromException<T>(new InvalidOperationException(_message));
+
+	public Task DeleteAsync(string path, IDictionary<string, string?>? query = null, CancellationToken ct = default)
+		=> Task.FromException(new InvalidOperationException(_message));
+}

Jugenddienst Stunden/Infrastructure/PreferencesAppSettings.cs

@@ -0,0 +1,30 @@
+using Jugenddienst_Stunden.Interfaces;
+
+namespace Jugenddienst_Stunden.Infrastructure;
+
+internal sealed class PreferencesAppSettings : IAppSettings {
+	public string ApiUrl {
+		get => Preferences.Default.Get("apiUrl", "");
+		set => Preferences.Default.Set("apiUrl", value);
+	}
+
+	public string ApiKey {
+		get => Preferences.Default.Get("apiKey", "");
+		set => Preferences.Default.Set("apiKey", value);
+	}
+
+	public int EmployeeId {
+		get => Preferences.Default.Get("EmployeeId", 0);
+		set => Preferences.Default.Set("EmployeeId", value);
+	}
+
+	public string Name {
+		get => Preferences.Default.Get("name", "Nicht");
+		set => Preferences.Default.Set("name", value);
+	}
+
+	public string Surname {
+		get => Preferences.Default.Get("surname", "Eingeloggt");
+		set => Preferences.Default.Set("surname", value);
+	}
+}

Jugenddienst Stunden/Infrastructure/SettingsTokenProvider.cs

@@ -0,0 +1,10 @@
+using Jugenddienst_Stunden.Interfaces;
+
+namespace Jugenddienst_Stunden.Infrastructure;
+
+internal sealed class SettingsTokenProvider : ITokenProvider {
+	private readonly IAppSettings _settings;
+	public SettingsTokenProvider(IAppSettings settings) => _settings = settings;
+
+	public string GetToken() => _settings.ApiKey;
+}

Jugenddienst Stunden/Infrastructure/TokenProvider.cs

@@ -0,0 +1,7 @@
+using Jugenddienst_Stunden.Interfaces;
+
+namespace Jugenddienst_Stunden.Infrastructure;
+
+internal sealed class GlobalVarTokenProvider : ITokenProvider {
+	public string? GetToken() => Models.GlobalVar.ApiKey;
+}

Jugenddienst Stunden/Interfaces/IAlertService.cs

@@ -0,0 +1,11 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Jugenddienst_Stunden.Interfaces; 
+internal interface IAlertService {
+	event EventHandler<string> AlertRaised;
+	void Raise(string message);
+}

Jugenddienst Stunden/Interfaces/IApiClient.cs

@@ -0,0 +1,10 @@
+namespace Jugenddienst_Stunden.Interfaces;
+
+internal interface IApiClient {
+	Task<T> GetAsync<T>(string path, IDictionary<string, string?>? query = null, CancellationToken ct = default);
+
+	Task<T> SendAsync<T>(HttpMethod method, string path, object? body = null,
+		IDictionary<string, string?>? query = null, CancellationToken ct = default);
+
+	Task DeleteAsync(string path, IDictionary<string, string?>? query = null, CancellationToken ct = default);
+}

Jugenddienst Stunden/Interfaces/IAppSettings.cs

@@ -0,0 +1,10 @@
+namespace Jugenddienst_Stunden.Interfaces;
+
+public interface IAppSettings {
+	string ApiUrl { get; set; }
+	string ApiKey { get; set; }
+
+	int EmployeeId { get; set; }
+	string Name { get; set; }
+	string Surname { get; set; }
+}

Jugenddienst Stunden/Interfaces/IHoursRepository.cs

@@ -6,12 +6,12 @@ namespace Jugenddienst_Stunden.Interfaces;
 /// Repository‑Schnittstelle für Datenzugriff (API/Storage) rund um Stunden.
 /// </summary>
 internal interface IHoursRepository {
-    Task<BaseResponse> LoadBase(string query);
-    Task<Settings> LoadSettings();
-    Task<Hours> LoadData();
-    Task<User> LoadUser(string apiKey);
-    Task<List<DayTime>> LoadDay(DateTime date);
-    Task<DayTime> LoadEntry(int id);
-    Task<DayTime> SaveEntry(DayTime stunde);
-    Task DeleteEntry(DayTime stunde);
+	Task<BaseResponse> LoadBase(string query);
+	Task<Settings> LoadSettings();
+	Task<Hours> LoadData();
+	Task<User> LoadUser(string apiKey);
+	Task<List<DayTime>> LoadDay(DateTime date);
+	Task<DayTime> LoadEntry(int id);
+	Task<DayTime> SaveEntry(DayTime stunde);
+	Task DeleteEntry(DayTime stunde);
 }

Jugenddienst Stunden/Interfaces/IHoursService.cs

@@ -5,12 +5,12 @@ namespace Jugenddienst_Stunden.Interfaces;
 /// <summary>
 /// Fachlicher Service für Stunden – konsumiert Repository und stellt VM‑freundliche Methoden bereit.
 /// </summary>
-internal interface IHoursService {
-    Task<(Hours hours, Settings settings)> GetMonthSummaryAsync(DateTime monthDate);
-    Task<(List<DayTime> dayTimes, Settings settings)> GetDayWithSettingsAsync(DateTime date);
-    Task<List<DayTime>> GetDayRangeAsync(DateTime from, DateTime to);
-    Task<Settings> GetSettingsAsync();
-    Task<DayTime> GetEntryAsync(int id);
-    Task<DayTime> SaveEntryAsync(DayTime stunde);
-    Task DeleteEntryAsync(DayTime stunde);
+public interface IHoursService {
+	Task<(Hours hours, Settings settings)> GetMonthSummaryAsync(DateTime monthDate);
+	Task<(List<DayTime> dayTimes, Settings settings)> GetDayWithSettingsAsync(DateTime date);
+	Task<List<DayTime>> GetDayRangeAsync(DateTime from, DateTime to);
+	Task<Settings> GetSettingsAsync();
+	Task<DayTime> GetEntryAsync(int id);
+	Task<DayTime> SaveEntryAsync(DayTime stunde);
+	Task DeleteEntryAsync(DayTime stunde);
 }

Jugenddienst Stunden/Interfaces/ITokenProvider.cs

@@ -0,0 +1,5 @@
+namespace Jugenddienst_Stunden.Interfaces;
+
+internal interface ITokenProvider {
+	string? GetToken();
+}

Jugenddienst Stunden/Jugenddienst Stunden.csproj

@@ -1,312 +1,312 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
-	<PropertyGroup>
-		<!-- <TargetFrameworks>net8.0-maccatalyst;net9.0-android35.0</TargetFrameworks> -->
-		<TargetFrameworks>net9.0-android35.0</TargetFrameworks>
-		<!-- Uncomment to also build the tizen app. You will need to install tizen by following this: https://github.com/Samsung/Tizen.NET -->
-		<!-- <TargetFrameworks>$(TargetFrameworks);net8.0-tizen</TargetFrameworks> -->
+    <PropertyGroup>
+        <!-- <TargetFrameworks>net8.0-maccatalyst;net9.0-android35.0</TargetFrameworks> -->
+        <TargetFrameworks>net9.0-android35.0</TargetFrameworks>
+        <!-- Uncomment to also build the tizen app. You will need to install tizen by following this: https://github.com/Samsung/Tizen.NET -->
+        <!-- <TargetFrameworks>$(TargetFrameworks);net8.0-tizen</TargetFrameworks> -->
 
-		<!-- Note for MacCatalyst:
-		The default runtime is maccatalyst-x64, except in Release config, in which case the default is maccatalyst-x64;maccatalyst-arm64.
-		When specifying both architectures, use the plural <RuntimeIdentifiers> instead of the singular <RuntimeIdentifier>.
-		The Mac App Store will NOT accept apps with ONLY maccatalyst-arm64 indicated;
-		either BOTH runtimes must be indicated or ONLY macatalyst-x64. -->
-		<!-- For example: <RuntimeIdentifiers>maccatalyst-x64;maccatalyst-arm64</RuntimeIdentifiers> -->
+        <!-- Note for MacCatalyst:
+        The default runtime is maccatalyst-x64, except in Release config, in which case the default is maccatalyst-x64;maccatalyst-arm64.
+        When specifying both architectures, use the plural <RuntimeIdentifiers> instead of the singular <RuntimeIdentifier>.
+        The Mac App Store will NOT accept apps with ONLY maccatalyst-arm64 indicated;
+        either BOTH runtimes must be indicated or ONLY macatalyst-x64. -->
+        <!-- For example: <RuntimeIdentifiers>maccatalyst-x64;maccatalyst-arm64</RuntimeIdentifiers> -->
 
-		<OutputType>Exe</OutputType>
-		<RootNamespace>Jugenddienst_Stunden</RootNamespace>
-		<UseMaui>true</UseMaui>
-		<SingleProject>true</SingleProject>
-		<ImplicitUsings>enable</ImplicitUsings>
-		<Nullable>enable</Nullable>
+        <OutputType>Exe</OutputType>
+        <RootNamespace>Jugenddienst_Stunden</RootNamespace>
+        <UseMaui>true</UseMaui>
+        <SingleProject>true</SingleProject>
+        <ImplicitUsings>enable</ImplicitUsings>
+        <Nullable>enable</Nullable>
 
-		<!-- Display name -->
-		<ApplicationTitle>Jugenddienst Stunden</ApplicationTitle>
+        <!-- Display name -->
+        <ApplicationTitle>Jugenddienst Stunden</ApplicationTitle>
 
-		<!-- App Identifier -->
-		<ApplicationId>com.companyname.jugenddienststunden</ApplicationId>
+        <!-- App Identifier -->
+        <ApplicationId>com.companyname.jugenddienststunden</ApplicationId>
 
-		<!-- Versions -->
-		<ApplicationDisplayVersion>1.0.9</ApplicationDisplayVersion>
-		<ApplicationVersion>10</ApplicationVersion>
+        <!-- Versions -->
+        <ApplicationDisplayVersion>1.0.9</ApplicationDisplayVersion>
+        <ApplicationVersion>10</ApplicationVersion>
 
-		<SupportedOSPlatformVersion Condition="$([MSBuild]::GetTargetPlatformIdentifier('$(TargetFramework)')) == 'ios'">11.0</SupportedOSPlatformVersion>
-		<SupportedOSPlatformVersion Condition="$([MSBuild]::GetTargetPlatformIdentifier('$(TargetFramework)')) == 'maccatalyst'">13.1</SupportedOSPlatformVersion>
-		<SupportedOSPlatformVersion Condition="$([MSBuild]::GetTargetPlatformIdentifier('$(TargetFramework)')) == 'android'">29.0</SupportedOSPlatformVersion>
-		<SupportedOSPlatformVersion Condition="$([MSBuild]::GetTargetPlatformIdentifier('$(TargetFramework)')) == 'windows'">10.0.17763.0</SupportedOSPlatformVersion>
-		<TargetPlatformMinVersion Condition="$([MSBuild]::GetTargetPlatformIdentifier('$(TargetFramework)')) == 'windows'">10.0.17763.0</TargetPlatformMinVersion>
-		<SupportedOSPlatformVersion Condition="$([MSBuild]::GetTargetPlatformIdentifier('$(TargetFramework)')) == 'tizen'">6.5</SupportedOSPlatformVersion>
-		<GenerateDocumentationFile>True</GenerateDocumentationFile>
-		<PackageIcon>paket_icon.png</PackageIcon>
-		<NeutralLanguage>de</NeutralLanguage>
-    <PackageVersion>1.0.9</PackageVersion>
-	</PropertyGroup>
+        <SupportedOSPlatformVersion Condition="$([MSBuild]::GetTargetPlatformIdentifier('$(TargetFramework)')) == 'ios'">11.0</SupportedOSPlatformVersion>
+        <SupportedOSPlatformVersion Condition="$([MSBuild]::GetTargetPlatformIdentifier('$(TargetFramework)')) == 'maccatalyst'">13.1</SupportedOSPlatformVersion>
+        <SupportedOSPlatformVersion Condition="$([MSBuild]::GetTargetPlatformIdentifier('$(TargetFramework)')) == 'android'">29.0</SupportedOSPlatformVersion>
+        <SupportedOSPlatformVersion Condition="$([MSBuild]::GetTargetPlatformIdentifier('$(TargetFramework)')) == 'windows'">10.0.17763.0</SupportedOSPlatformVersion>
+        <TargetPlatformMinVersion Condition="$([MSBuild]::GetTargetPlatformIdentifier('$(TargetFramework)')) == 'windows'">10.0.17763.0</TargetPlatformMinVersion>
+        <SupportedOSPlatformVersion Condition="$([MSBuild]::GetTargetPlatformIdentifier('$(TargetFramework)')) == 'tizen'">6.5</SupportedOSPlatformVersion>
+        <GenerateDocumentationFile>True</GenerateDocumentationFile>
+        <PackageIcon>paket_icon.png</PackageIcon>
+        <NeutralLanguage>de</NeutralLanguage>
+        <PackageVersion>1.0.9</PackageVersion>
+    </PropertyGroup>
 
 
-	<PropertyGroup Condition="'$(Configuration)|$(TargetFramework)|$(Platform)'=='Debug|net8.0-maccatalyst|AnyCPU'">
-	  <ApplicationId>com.companyname.jugenddienststunden</ApplicationId>
-	  <ApplicationDisplayVersion>1.0.9</ApplicationDisplayVersion>
-	  <ApplicationVersion>10</ApplicationVersion>
-	  <Optimize>False</Optimize>
-	  <Deterministic>True</Deterministic>
-	</PropertyGroup>
+    <PropertyGroup Condition="'$(Configuration)|$(TargetFramework)|$(Platform)'=='Debug|net8.0-maccatalyst|AnyCPU'">
+        <ApplicationId>com.companyname.jugenddienststunden</ApplicationId>
+        <ApplicationDisplayVersion>1.0.9</ApplicationDisplayVersion>
+        <ApplicationVersion>10</ApplicationVersion>
+        <Optimize>False</Optimize>
+        <Deterministic>True</Deterministic>
+    </PropertyGroup>
 
-	<PropertyGroup Condition="'$(Configuration)|$(TargetFramework)|$(Platform)'=='Release|net8.0-maccatalyst|AnyCPU'">
-	  <Optimize>True</Optimize>
-	  <ApplicationId>com.companyname.jugenddienststunden</ApplicationId>
-	  <ApplicationDisplayVersion>1.0.9</ApplicationDisplayVersion>
-	  <ApplicationVersion>10</ApplicationVersion>
-	  <Deterministic>True</Deterministic>
-	</PropertyGroup>
+    <PropertyGroup Condition="'$(Configuration)|$(TargetFramework)|$(Platform)'=='Release|net8.0-maccatalyst|AnyCPU'">
+        <Optimize>True</Optimize>
+        <ApplicationId>com.companyname.jugenddienststunden</ApplicationId>
+        <ApplicationDisplayVersion>1.0.9</ApplicationDisplayVersion>
+        <ApplicationVersion>10</ApplicationVersion>
+        <Deterministic>True</Deterministic>
+    </PropertyGroup>
 
-	<PropertyGroup Condition="'$(Configuration)|$(TargetFramework)|$(Platform)'=='Debug|net8.0-android34.0|AnyCPU'">
-	  <ApplicationId>com.companyname.jugenddienststunden</ApplicationId>
-	  <Debugger>Xamarin</Debugger>
-	  <DebugSymbols>True</DebugSymbols>
-	  <Optimize>False</Optimize>
-	  <Deterministic>True</Deterministic>
-	  <ApplicationDisplayVersion>1.0.9</ApplicationDisplayVersion>
-	  <ApplicationVersion>10</ApplicationVersion>
-	  <AndroidKeyStore>False</AndroidKeyStore>
-	</PropertyGroup>
+    <PropertyGroup Condition="'$(Configuration)|$(TargetFramework)|$(Platform)'=='Debug|net8.0-android34.0|AnyCPU'">
+        <ApplicationId>com.companyname.jugenddienststunden</ApplicationId>
+        <Debugger>Xamarin</Debugger>
+        <DebugSymbols>True</DebugSymbols>
+        <Optimize>False</Optimize>
+        <Deterministic>True</Deterministic>
+        <ApplicationDisplayVersion>1.0.9</ApplicationDisplayVersion>
+        <ApplicationVersion>10</ApplicationVersion>
+        <AndroidKeyStore>False</AndroidKeyStore>
+    </PropertyGroup>
 
-	<PropertyGroup>
-	  <DefaultLanguage>de-de</DefaultLanguage>
-	</PropertyGroup>
+    <PropertyGroup>
+        <DefaultLanguage>de-de</DefaultLanguage>
+    </PropertyGroup>
 
-	<PropertyGroup Condition="'$(Configuration)|$(TargetFramework)|$(Platform)'=='Debug|net8.0-windows10.0.26100.0|AnyCPU'">
-	  <ApplicationId>com.companyname.jugenddienststunden</ApplicationId>
-	  <ApplicationDisplayVersion>1.0.9</ApplicationDisplayVersion>
-	  <ApplicationVersion>10</ApplicationVersion>
-	  <DefineConstants>$(DefineConstants);DISABLE_XAML_GENERATED_BREAK_ON_UNHANDLED_EXCEPTION</DefineConstants>
-	  <Deterministic>True</Deterministic>
-	  <Optimize>False</Optimize>
-	</PropertyGroup>
+    <PropertyGroup Condition="'$(Configuration)|$(TargetFramework)|$(Platform)'=='Debug|net8.0-windows10.0.26100.0|AnyCPU'">
+        <ApplicationId>com.companyname.jugenddienststunden</ApplicationId>
+        <ApplicationDisplayVersion>1.0.9</ApplicationDisplayVersion>
+        <ApplicationVersion>10</ApplicationVersion>
+        <DefineConstants>$(DefineConstants);DISABLE_XAML_GENERATED_BREAK_ON_UNHANDLED_EXCEPTION</DefineConstants>
+        <Deterministic>True</Deterministic>
+        <Optimize>False</Optimize>
+    </PropertyGroup>
 
-	<PropertyGroup Condition="'$(Configuration)|$(TargetFramework)|$(Platform)'=='Release|net8.0-android34.0|AnyCPU'">
-	  <ApplicationId>com.companyname.jugenddienststunden</ApplicationId>
-	  <Debugger>Xamarin</Debugger>
-	  <DebugSymbols>False</DebugSymbols>
-	  <Optimize>True</Optimize>
-	  <Deterministic>True</Deterministic>
-	  <ApplicationDisplayVersion>1.0.9</ApplicationDisplayVersion>
-	  <ApplicationVersion>10</ApplicationVersion>
-	  <RunAOTCompilation>False</RunAOTCompilation>
-	  <PublishTrimmed>True</PublishTrimmed>
-	  <AndroidKeyStore>False</AndroidKeyStore>
-	</PropertyGroup>
+    <PropertyGroup Condition="'$(Configuration)|$(TargetFramework)|$(Platform)'=='Release|net8.0-android34.0|AnyCPU'">
+        <ApplicationId>com.companyname.jugenddienststunden</ApplicationId>
+        <Debugger>Xamarin</Debugger>
+        <DebugSymbols>False</DebugSymbols>
+        <Optimize>True</Optimize>
+        <Deterministic>True</Deterministic>
+        <ApplicationDisplayVersion>1.0.9</ApplicationDisplayVersion>
+        <ApplicationVersion>10</ApplicationVersion>
+        <RunAOTCompilation>False</RunAOTCompilation>
+        <PublishTrimmed>True</PublishTrimmed>
+        <AndroidKeyStore>False</AndroidKeyStore>
+    </PropertyGroup>
 
-	<PropertyGroup Condition="'$(Configuration)|$(TargetFramework)|$(Platform)'=='Release|net8.0-windows10.0.26100.0|AnyCPU'">
-	  <ApplicationId>com.companyname.jugenddienststunden</ApplicationId>
-	  <ApplicationDisplayVersion>1.0.9</ApplicationDisplayVersion>
-	  <ApplicationVersion>10</ApplicationVersion>
-	  <Optimize>True</Optimize>
-	  <Deterministic>True</Deterministic>
-	</PropertyGroup>
+    <PropertyGroup Condition="'$(Configuration)|$(TargetFramework)|$(Platform)'=='Release|net8.0-windows10.0.26100.0|AnyCPU'">
+        <ApplicationId>com.companyname.jugenddienststunden</ApplicationId>
+        <ApplicationDisplayVersion>1.0.9</ApplicationDisplayVersion>
+        <ApplicationVersion>10</ApplicationVersion>
+        <Optimize>True</Optimize>
+        <Deterministic>True</Deterministic>
+    </PropertyGroup>
 
-	<PropertyGroup>
-	  <IncludeSymbols>True</IncludeSymbols>
-	  <SymbolPackageFormat>snupkg</SymbolPackageFormat>
-	  <PlatformTarget>AnyCPU</PlatformTarget>
-	  <ProduceReferenceAssembly>False</ProduceReferenceAssembly>
-	  <AssemblyVersion>1.0.9</AssemblyVersion>
-	  <FileVersion>1.0.9</FileVersion>
-	</PropertyGroup>
+    <PropertyGroup>
+        <IncludeSymbols>True</IncludeSymbols>
+        <SymbolPackageFormat>snupkg</SymbolPackageFormat>
+        <PlatformTarget>AnyCPU</PlatformTarget>
+        <ProduceReferenceAssembly>False</ProduceReferenceAssembly>
+        <AssemblyVersion>1.0.9</AssemblyVersion>
+        <FileVersion>1.0.9</FileVersion>
+    </PropertyGroup>
 
-	<PropertyGroup Condition="'$(Configuration)|$(TargetFramework)|$(Platform)'=='Debug|net8.0-android|AnyCPU'">
-	  <ApplicationDisplayVersion>1.0.9</ApplicationDisplayVersion>
-	  <ApplicationVersion>10</ApplicationVersion>
-	</PropertyGroup>
+    <PropertyGroup Condition="'$(Configuration)|$(TargetFramework)|$(Platform)'=='Debug|net8.0-android|AnyCPU'">
+        <ApplicationDisplayVersion>1.0.9</ApplicationDisplayVersion>
+        <ApplicationVersion>10</ApplicationVersion>
+    </PropertyGroup>
 
-	<PropertyGroup Condition="'$(Configuration)|$(TargetFramework)|$(Platform)'=='Release|net8.0-android|AnyCPU'">
-	  <ApplicationDisplayVersion>1.0.9</ApplicationDisplayVersion>
-	  <ApplicationVersion>10</ApplicationVersion>
-	  <DebugSymbols>True</DebugSymbols>
-	</PropertyGroup>
+    <PropertyGroup Condition="'$(Configuration)|$(TargetFramework)|$(Platform)'=='Release|net8.0-android|AnyCPU'">
+        <ApplicationDisplayVersion>1.0.9</ApplicationDisplayVersion>
+        <ApplicationVersion>10</ApplicationVersion>
+        <DebugSymbols>True</DebugSymbols>
+    </PropertyGroup>
 
-	<PropertyGroup Condition="'$(Configuration)|$(TargetFramework)|$(Platform)'=='Debug|net8.0-windows10.0.19041.0|AnyCPU'">
-	  <ApplicationVersion>10</ApplicationVersion>
-	  <DefineConstants>$(DefineConstants);DISABLE_XAML_GENERATED_BREAK_ON_UNHANDLED_EXCEPTION</DefineConstants>
-	  <ApplicationDisplayVersion>1.0.9</ApplicationDisplayVersion>
-	</PropertyGroup>
+    <PropertyGroup Condition="'$(Configuration)|$(TargetFramework)|$(Platform)'=='Debug|net8.0-windows10.0.19041.0|AnyCPU'">
+        <ApplicationVersion>10</ApplicationVersion>
+        <DefineConstants>$(DefineConstants);DISABLE_XAML_GENERATED_BREAK_ON_UNHANDLED_EXCEPTION</DefineConstants>
+        <ApplicationDisplayVersion>1.0.9</ApplicationDisplayVersion>
+    </PropertyGroup>
 
-	<PropertyGroup Condition="'$(Configuration)|$(TargetFramework)|$(Platform)'=='Release|net8.0-windows10.0.19041.0|AnyCPU'">
-	  <ApplicationVersion>10</ApplicationVersion>
-	  <ApplicationDisplayVersion>1.0.9</ApplicationDisplayVersion>
-	</PropertyGroup>
+    <PropertyGroup Condition="'$(Configuration)|$(TargetFramework)|$(Platform)'=='Release|net8.0-windows10.0.19041.0|AnyCPU'">
+        <ApplicationVersion>10</ApplicationVersion>
+        <ApplicationDisplayVersion>1.0.9</ApplicationDisplayVersion>
+    </PropertyGroup>
 
-	<PropertyGroup Condition="'$(Configuration)|$(TargetFramework)|$(Platform)'=='Debug|net9.0-android35.0|AnyCPU'">
-	  <WarningLevel>8</WarningLevel>
-	  <ApplicationDisplayVersion>1.0.9</ApplicationDisplayVersion>
-	  <ApplicationVersion>10</ApplicationVersion>
-	  <EnableLLVM>True</EnableLLVM>
-	</PropertyGroup>
+    <PropertyGroup Condition="'$(Configuration)|$(TargetFramework)|$(Platform)'=='Debug|net9.0-android35.0|AnyCPU'">
+        <WarningLevel>8</WarningLevel>
+        <ApplicationDisplayVersion>1.0.9</ApplicationDisplayVersion>
+        <ApplicationVersion>10</ApplicationVersion>
+        <EnableLLVM>True</EnableLLVM>
+    </PropertyGroup>
 
-	<PropertyGroup Condition="'$(Configuration)|$(TargetFramework)|$(Platform)'=='Release|net9.0-android35.0|AnyCPU'">
-	  <WarningLevel>8</WarningLevel>
-	  <ApplicationDisplayVersion>1.0.9</ApplicationDisplayVersion>
-	  <ApplicationVersion>10</ApplicationVersion>
-	  <EnableLLVM>True</EnableLLVM>
-	  <DebugSymbols>False</DebugSymbols>
-	  <AndroidEnableProfiledAot>False</AndroidEnableProfiledAot>
-	</PropertyGroup>
+    <PropertyGroup Condition="'$(Configuration)|$(TargetFramework)|$(Platform)'=='Release|net9.0-android35.0|AnyCPU'">
+        <WarningLevel>8</WarningLevel>
+        <ApplicationDisplayVersion>1.0.9</ApplicationDisplayVersion>
+        <ApplicationVersion>10</ApplicationVersion>
+        <EnableLLVM>True</EnableLLVM>
+        <DebugSymbols>False</DebugSymbols>
+        <AndroidEnableProfiledAot>False</AndroidEnableProfiledAot>
+    </PropertyGroup>
 
-	<PropertyGroup Condition="'$(Configuration)|$(TargetFramework)|$(Platform)'=='Debug|net9.0-ios|AnyCPU'">
-	  <WarningLevel>8</WarningLevel>
-	</PropertyGroup>
+    <PropertyGroup Condition="'$(Configuration)|$(TargetFramework)|$(Platform)'=='Debug|net9.0-ios|AnyCPU'">
+        <WarningLevel>8</WarningLevel>
+    </PropertyGroup>
 
-	<PropertyGroup Condition="'$(Configuration)|$(TargetFramework)|$(Platform)'=='Release|net9.0-ios|AnyCPU'">
-	  <WarningLevel>8</WarningLevel>
-	</PropertyGroup>
+    <PropertyGroup Condition="'$(Configuration)|$(TargetFramework)|$(Platform)'=='Release|net9.0-ios|AnyCPU'">
+        <WarningLevel>8</WarningLevel>
+    </PropertyGroup>
 
-	<PropertyGroup Condition="'$(Configuration)|$(TargetFramework)|$(Platform)'=='Debug|net9.0-windows10.0.26100.0|AnyCPU'">
-	  <WarningLevel>8</WarningLevel>
-	  <NoWarn>1701;1702</NoWarn>
-	  <WarningsAsErrors>$(WarningsAsErrors);NU1605</WarningsAsErrors>
-	  <ApplicationDisplayVersion>1.0.9</ApplicationDisplayVersion>
-	  <ApplicationVersion>10</ApplicationVersion>
-	</PropertyGroup>
+    <PropertyGroup Condition="'$(Configuration)|$(TargetFramework)|$(Platform)'=='Debug|net9.0-windows10.0.26100.0|AnyCPU'">
+        <WarningLevel>8</WarningLevel>
+        <NoWarn>1701;1702</NoWarn>
+        <WarningsAsErrors>$(WarningsAsErrors);NU1605</WarningsAsErrors>
+        <ApplicationDisplayVersion>1.0.9</ApplicationDisplayVersion>
+        <ApplicationVersion>10</ApplicationVersion>
+    </PropertyGroup>
 
-	<PropertyGroup Condition="'$(Configuration)|$(TargetFramework)|$(Platform)'=='Release|net9.0-windows10.0.26100.0|AnyCPU'">
-	  <WarningLevel>8</WarningLevel>
-	  <NoWarn>1701;1702</NoWarn>
-	  <WarningsAsErrors>$(WarningsAsErrors);NU1605</WarningsAsErrors>
-	  <ApplicationDisplayVersion>1.0.9</ApplicationDisplayVersion>
-	  <ApplicationVersion>10</ApplicationVersion>
-	</PropertyGroup>
+    <PropertyGroup Condition="'$(Configuration)|$(TargetFramework)|$(Platform)'=='Release|net9.0-windows10.0.26100.0|AnyCPU'">
+        <WarningLevel>8</WarningLevel>
+        <NoWarn>1701;1702</NoWarn>
+        <WarningsAsErrors>$(WarningsAsErrors);NU1605</WarningsAsErrors>
+        <ApplicationDisplayVersion>1.0.9</ApplicationDisplayVersion>
+        <ApplicationVersion>10</ApplicationVersion>
+    </PropertyGroup>
 
-	<PropertyGroup>
-	  <TargetFrameworks Condition="$([MSBuild]::IsOSPlatform('windows'))">$(TargetFrameworks);net9.0-windows10.0.26100.0</TargetFrameworks>
-	  <WindowsPackageType>None</WindowsPackageType>
-	  <!-- <TargetFrameworks>;net9.0-android35.0</TargetFrameworks> -->
-	</PropertyGroup>
+    <PropertyGroup>
+        <TargetFrameworks Condition="$([MSBuild]::IsOSPlatform('windows'))">$(TargetFrameworks);net9.0-windows10.0.26100.0</TargetFrameworks>
+        <WindowsPackageType>None</WindowsPackageType>
+        <!-- <TargetFrameworks>;net9.0-android35.0</TargetFrameworks> -->
+    </PropertyGroup>
 
-	<ItemGroup>
-		<!-- App Icon -->
-		<MauiIcon Include="Resources\AppIcon\appicon.svg" ForegroundFile="Resources\AppIcon\appiconfg.svg" Color="#512BD4" />
+    <ItemGroup>
+        <!-- App Icon -->
+        <MauiIcon Include="Resources\AppIcon\appicon.svg" ForegroundFile="Resources\AppIcon\appiconfg.svg" Color="#512BD4"/>
 
-		<!-- Splash Screen -->
-		<MauiSplashScreen Include="Resources\Splash\splash.svg" Color="#F7931D" BaseSize="128,128" />
+        <!-- Splash Screen -->
+        <MauiSplashScreen Include="Resources\Splash\splash.svg" Color="#F7931D" BaseSize="128,128"/>
 
-		<!-- Splash Screen (Windows fix) -->
-		<!--<MauiImage Include="Resources\Images\logo_splash_win.svg" Color="#F7931D" BaseSize="208,208" />-->
+        <!-- Splash Screen (Windows fix) -->
+        <!--<MauiImage Include="Resources\Images\logo_splash_win.svg" Color="#F7931D" BaseSize="208,208" />-->
 
-		<!-- Images -->
-		<MauiImage Include="Resources\Images\*" />
-		<MauiImage Update="Resources\Images\dotnet_bot.png" Resize="True" BaseSize="300,185" />
+        <!-- Images -->
+        <MauiImage Include="Resources\Images\*"/>
+        <MauiImage Update="Resources\Images\dotnet_bot.png" Resize="True" BaseSize="300,185"/>
 
-		<!-- Custom Fonts -->
-		<MauiFont Include="Resources\Fonts\*" />
+        <!-- Custom Fonts -->
+        <MauiFont Include="Resources\Fonts\*"/>
 
-		<!-- Raw Assets (also remove the "Resources\Raw" prefix) -->
-		<MauiAsset Include="Resources\Raw\**" LogicalName="%(RecursiveDir)%(Filename)%(Extension)" />
-	</ItemGroup>
+        <!-- Raw Assets (also remove the "Resources\Raw" prefix) -->
+        <MauiAsset Include="Resources\Raw\**" LogicalName="%(RecursiveDir)%(Filename)%(Extension)"/>
+    </ItemGroup>
 
-	<ItemGroup>
-	  <None Remove="Resources\Windows\%24placeholder%24.scale-100.png" />
-	  <None Remove="Resources\Windows\%24placeholder%24.scale-125.png" />
-	  <None Remove="Resources\Windows\%24placeholder%24.scale-150.png" />
-	  <None Remove="Resources\Windows\%24placeholder%24.scale-200.png" />
-	  <None Remove="Resources\Windows\%24placeholder%24.scale-400.png" />
-	  <None Remove="Resources\Windows\Small\%24placeholder%24.scale-100.png" />
-	  <None Remove="Resources\Windows\Small\%24placeholder%24.scale-125.png" />
-	  <None Remove="Resources\Windows\Small\%24placeholder%24.scale-150.png" />
-	  <None Remove="Resources\Windows\Small\%24placeholder%24.scale-200.png" />
-	  <None Remove="Resources\Windows\Small\%24placeholder%24.scale-400.png" />
-	  <None Remove="Resources\Windows\Splash\%24placeholder%24.scale-100.png" />
-	  <None Remove="Resources\Windows\Splash\%24placeholder%24.scale-125.png" />
-	  <None Remove="Resources\Windows\Splash\%24placeholder%24.scale-150.png" />
-	  <None Remove="Resources\Windows\Splash\%24placeholder%24.scale-200.png" />
-	  <None Remove="Resources\Windows\Splash\%24placeholder%24.scale-400.png" />
-	  <None Remove="Resources\Windows\Wide\%24placeholder%24.scale-100.png" />
-	  <None Remove="Resources\Windows\Wide\%24placeholder%24.scale-125.png" />
-	  <None Remove="Resources\Windows\Wide\%24placeholder%24.scale-150.png" />
-	  <None Remove="Resources\Windows\Wide\%24placeholder%24.scale-200.png" />
-	  <None Remove="Resources\Windows\Wide\%24placeholder%24.scale-400.png" />
-	</ItemGroup>
+    <ItemGroup>
+        <None Remove="Resources\Windows\%24placeholder%24.scale-100.png"/>
+        <None Remove="Resources\Windows\%24placeholder%24.scale-125.png"/>
+        <None Remove="Resources\Windows\%24placeholder%24.scale-150.png"/>
+        <None Remove="Resources\Windows\%24placeholder%24.scale-200.png"/>
+        <None Remove="Resources\Windows\%24placeholder%24.scale-400.png"/>
+        <None Remove="Resources\Windows\Small\%24placeholder%24.scale-100.png"/>
+        <None Remove="Resources\Windows\Small\%24placeholder%24.scale-125.png"/>
+        <None Remove="Resources\Windows\Small\%24placeholder%24.scale-150.png"/>
+        <None Remove="Resources\Windows\Small\%24placeholder%24.scale-200.png"/>
+        <None Remove="Resources\Windows\Small\%24placeholder%24.scale-400.png"/>
+        <None Remove="Resources\Windows\Splash\%24placeholder%24.scale-100.png"/>
+        <None Remove="Resources\Windows\Splash\%24placeholder%24.scale-125.png"/>
+        <None Remove="Resources\Windows\Splash\%24placeholder%24.scale-150.png"/>
+        <None Remove="Resources\Windows\Splash\%24placeholder%24.scale-200.png"/>
+        <None Remove="Resources\Windows\Splash\%24placeholder%24.scale-400.png"/>
+        <None Remove="Resources\Windows\Wide\%24placeholder%24.scale-100.png"/>
+        <None Remove="Resources\Windows\Wide\%24placeholder%24.scale-125.png"/>
+        <None Remove="Resources\Windows\Wide\%24placeholder%24.scale-150.png"/>
+        <None Remove="Resources\Windows\Wide\%24placeholder%24.scale-200.png"/>
+        <None Remove="Resources\Windows\Wide\%24placeholder%24.scale-400.png"/>
+    </ItemGroup>
 
-	<ItemGroup>
-	  <Content Include="Resources\Windows\$placeholder$.scale-100.png" />
-	  <Content Include="Resources\Windows\$placeholder$.scale-125.png" />
-	  <Content Include="Resources\Windows\$placeholder$.scale-150.png" />
-	  <Content Include="Resources\Windows\$placeholder$.scale-200.png" />
-	  <Content Include="Resources\Windows\$placeholder$.scale-400.png" />
-	  <Content Include="Resources\Windows\Small\$placeholder$.scale-100.png" />
-	  <Content Include="Resources\Windows\Small\$placeholder$.scale-125.png" />
-	  <Content Include="Resources\Windows\Small\$placeholder$.scale-150.png" />
-	  <Content Include="Resources\Windows\Small\$placeholder$.scale-200.png" />
-	  <Content Include="Resources\Windows\Small\$placeholder$.scale-400.png" />
-	  <Content Include="Resources\Windows\Splash\$placeholder$.scale-100.png" />
-	  <Content Include="Resources\Windows\Splash\$placeholder$.scale-125.png" />
-	  <Content Include="Resources\Windows\Splash\$placeholder$.scale-150.png" />
-	  <Content Include="Resources\Windows\Splash\$placeholder$.scale-200.png" />
-	  <Content Include="Resources\Windows\Splash\$placeholder$.scale-400.png" />
-	  <Content Include="Resources\Windows\Wide\$placeholder$.scale-100.png" />
-	  <Content Include="Resources\Windows\Wide\$placeholder$.scale-125.png" />
-	  <Content Include="Resources\Windows\Wide\$placeholder$.scale-150.png" />
-	  <Content Include="Resources\Windows\Wide\$placeholder$.scale-200.png" />
-	  <Content Include="Resources\Windows\Wide\$placeholder$.scale-400.png" />
-	</ItemGroup>
+    <ItemGroup>
+        <Content Include="Resources\Windows\$placeholder$.scale-100.png"/>
+        <Content Include="Resources\Windows\$placeholder$.scale-125.png"/>
+        <Content Include="Resources\Windows\$placeholder$.scale-150.png"/>
+        <Content Include="Resources\Windows\$placeholder$.scale-200.png"/>
+        <Content Include="Resources\Windows\$placeholder$.scale-400.png"/>
+        <Content Include="Resources\Windows\Small\$placeholder$.scale-100.png"/>
+        <Content Include="Resources\Windows\Small\$placeholder$.scale-125.png"/>
+        <Content Include="Resources\Windows\Small\$placeholder$.scale-150.png"/>
+        <Content Include="Resources\Windows\Small\$placeholder$.scale-200.png"/>
+        <Content Include="Resources\Windows\Small\$placeholder$.scale-400.png"/>
+        <Content Include="Resources\Windows\Splash\$placeholder$.scale-100.png"/>
+        <Content Include="Resources\Windows\Splash\$placeholder$.scale-125.png"/>
+        <Content Include="Resources\Windows\Splash\$placeholder$.scale-150.png"/>
+        <Content Include="Resources\Windows\Splash\$placeholder$.scale-200.png"/>
+        <Content Include="Resources\Windows\Splash\$placeholder$.scale-400.png"/>
+        <Content Include="Resources\Windows\Wide\$placeholder$.scale-100.png"/>
+        <Content Include="Resources\Windows\Wide\$placeholder$.scale-125.png"/>
+        <Content Include="Resources\Windows\Wide\$placeholder$.scale-150.png"/>
+        <Content Include="Resources\Windows\Wide\$placeholder$.scale-200.png"/>
+        <Content Include="Resources\Windows\Wide\$placeholder$.scale-400.png"/>
+    </ItemGroup>
 
-	<ItemGroup>
-	  <None Include="..\paket_icon.png">
-	    <Pack>True</Pack>
-	    <PackagePath>\</PackagePath>
-	  </None>
-	</ItemGroup>
+    <ItemGroup>
+        <None Include="..\paket_icon.png">
+            <Pack>True</Pack>
+            <PackagePath>\</PackagePath>
+        </None>
+    </ItemGroup>
 
-	<ItemGroup>
-		<PackageReference Include="CommunityToolkit.Maui" Version="12.2.0" />
-		<PackageReference Include="CommunityToolkit.Mvvm" Version="8.4.0" />
-		<PackageReference Include="Microsoft.Maui.Controls" Version="9.0.110">
-		  <TreatAsUsed>true</TreatAsUsed>
-		</PackageReference>
-		<PackageReference Include="Microsoft.Maui.Controls.Compatibility" Version="9.0.110" />
-		<PackageReference Include="Microsoft.Extensions.Logging.Debug" Version="9.0.9" />
-		<PackageReference Include="Microsoft.Maui.Graphics" Version="9.0.110" />
-		<PackageReference Include="Microsoft.NET.Runtime.MonoAOTCompiler.Task" Version="9.0.9" />
-		<PackageReference Include="Microsoft.NET.Runtime.WebAssembly.Wasi.Sdk" Version="9.0.9" />
-		<PackageReference Include="Newtonsoft.Json" Version="13.0.3" />
-		<PackageReference Include="ZXing.Net.Maui.Controls" Version="0.5.0" />
-	</ItemGroup>
+    <ItemGroup>
+        <PackageReference Include="CommunityToolkit.Maui" Version="12.2.0"/>
+        <PackageReference Include="CommunityToolkit.Mvvm" Version="8.4.0"/>
+        <PackageReference Include="Microsoft.Maui.Controls" Version="9.0.110">
+            <TreatAsUsed>true</TreatAsUsed>
+        </PackageReference>
+        <PackageReference Include="Microsoft.Maui.Controls.Compatibility" Version="9.0.110"/>
+        <PackageReference Include="Microsoft.Extensions.Logging.Debug" Version="9.0.9"/>
+        <PackageReference Include="Microsoft.Maui.Graphics" Version="9.0.110"/>
+        <PackageReference Include="Microsoft.NET.Runtime.MonoAOTCompiler.Task" Version="9.0.9"/>
+        <PackageReference Include="Microsoft.NET.Runtime.WebAssembly.Wasi.Sdk" Version="9.0.9"/>
+        <PackageReference Include="Newtonsoft.Json" Version="13.0.3"/>
+        <PackageReference Include="ZXing.Net.Maui.Controls" Version="0.5.0"/>
+    </ItemGroup>
 
-	<ItemGroup>
-	  <Compile Update="Properties\Resources.Designer.cs">
-	    <DesignTime>True</DesignTime>
-	    <AutoGen>True</AutoGen>
-	    <DependentUpon>Resources.resx</DependentUpon>
-	  </Compile>
-	  <Compile Update="Views\LoginPage.xaml.cs">
-	    <DependentUpon>LoginPage.xaml</DependentUpon>
-	  </Compile>
-	  <Compile Update="Views\StundePage.xaml.cs">
-	    <DependentUpon>StundePage.xaml</DependentUpon>
-	  </Compile>
-	</ItemGroup>
+    <ItemGroup>
+        <Compile Update="Properties\Resources.Designer.cs">
+            <DesignTime>True</DesignTime>
+            <AutoGen>True</AutoGen>
+            <DependentUpon>Resources.resx</DependentUpon>
+        </Compile>
+        <Compile Update="Views\LoginPage.xaml.cs">
+            <DependentUpon>LoginPage.xaml</DependentUpon>
+        </Compile>
+        <Compile Update="Views\StundePage.xaml.cs">
+            <DependentUpon>StundePage.xaml</DependentUpon>
+        </Compile>
+    </ItemGroup>
 
-	<ItemGroup>
-	  <EmbeddedResource Update="Properties\Resources.resx">
-	    <Generator>ResXFileCodeGenerator</Generator>
-	    <LastGenOutput>Resources.Designer.cs</LastGenOutput>
-	  </EmbeddedResource>
-	</ItemGroup>
+    <ItemGroup>
+        <EmbeddedResource Update="Properties\Resources.resx">
+            <Generator>ResXFileCodeGenerator</Generator>
+            <LastGenOutput>Resources.Designer.cs</LastGenOutput>
+        </EmbeddedResource>
+    </ItemGroup>
 
-	<ItemGroup>
-	  <MauiXaml Update="Views\LoginPage.xaml">
-	    <Generator>MSBuild:Compile</Generator>
-	  </MauiXaml>
-	  <MauiXaml Update="Views\AllNotesPage.xaml">
-	    <Generator>MSBuild:Compile</Generator>
-	  </MauiXaml>
-	  <MauiXaml Update="Views\StundePage.xaml">
-	    <Generator>MSBuild:Compile</Generator>
-	  </MauiXaml>
-	  <MauiXaml Update="Views\NotePage.xaml">
-	    <Generator>MSBuild:Compile</Generator>
-	  </MauiXaml>
-	  <MauiXaml Update="Views\StundenPage.xaml">
-	    <Generator>MSBuild:Compile</Generator>
-	  </MauiXaml>
-	</ItemGroup>
+    <ItemGroup>
+        <MauiXaml Update="Views\LoginPage.xaml">
+            <Generator>MSBuild:Compile</Generator>
+        </MauiXaml>
+        <MauiXaml Update="Views\AllNotesPage.xaml">
+            <Generator>MSBuild:Compile</Generator>
+        </MauiXaml>
+        <MauiXaml Update="Views\StundePage.xaml">
+            <Generator>MSBuild:Compile</Generator>
+        </MauiXaml>
+        <MauiXaml Update="Views\NotePage.xaml">
+            <Generator>MSBuild:Compile</Generator>
+        </MauiXaml>
+        <MauiXaml Update="Views\StundenPage.xaml">
+            <Generator>MSBuild:Compile</Generator>
+        </MauiXaml>
+    </ItemGroup>
 
 </Project>

Jugenddienst Stunden/MauiProgram.cs

@@ -3,8 +3,11 @@ using Jugenddienst_Stunden.Models;
 using Jugenddienst_Stunden.Interfaces;
 using Jugenddienst_Stunden.Repositories;
 using Jugenddienst_Stunden.Services;
+using Jugenddienst_Stunden.Infrastructure;
+using Jugenddienst_Stunden.Validators;
 using Microsoft.Extensions.Logging;
 using ZXing.Net.Maui.Controls;
+using System.Net.Http;
 
 namespace Jugenddienst_Stunden;
 
@@ -12,39 +15,84 @@ namespace Jugenddienst_Stunden;
 /// Das Hauptprogramm.
 /// </summary>
 public static class MauiProgram {
+	public static MauiApp CreateMauiApp() {
+		var builder = MauiApp.CreateBuilder();
+		builder
+			.UseMauiApp<App>()
+			// Initialize the .NET MAUI Community Toolkit by adding the below line of code
+			.UseMauiCommunityToolkit(options => { options.SetShouldEnableSnackbarOnWindows(true); })
+			.ConfigureFonts(fonts => {
+				fonts.AddFont("OpenSans-Regular.ttf", "OpenSansRegular");
+				fonts.AddFont("OpenSans-Semibold.ttf", "OpenSansSemibold");
+			})
+			//.UseBarcodeScanning();
+			.UseBarcodeReader();
 
-    public static MauiApp CreateMauiApp() {
-        var builder = MauiApp.CreateBuilder();
-        builder
-            .UseMauiApp<App>()
-            // Initialize the .NET MAUI Community Toolkit by adding the below line of code
-            .UseMauiCommunityToolkit(options => {
-                options.SetShouldEnableSnackbarOnWindows(true);
-            })
-            .ConfigureFonts(fonts => {
-                fonts.AddFont("OpenSans-Regular.ttf", "OpenSansRegular");
-                fonts.AddFont("OpenSans-Semibold.ttf", "OpenSansSemibold");
-            })
-            //.UseBarcodeScanning();
-            .UseBarcodeReader();
+		//#if DEBUG
+		//		if (string.IsNullOrWhiteSpace(GlobalVar.ApiKey)) {
+		//			GlobalVar.ApiKey = Preferences.Default.Get("apiKey",
+		//				"MTQxfHNkdFptQkNZTXlPT3ZyMHNBZDl0UnVxNExMRXxodHRwOi8vaG91cnMuZGF1bmkubWluZS5udTo4MS9hcHBhcGk=");
+		//			GlobalVar.Name = Preferences.Default.Get("name", "Testserver: Isabell");
+		//			GlobalVar.Surname = Preferences.Default.Get("surname", "Biasi");
+		//			GlobalVar.EmployeeId = Preferences.Default.Get("EmployeeId", 141);
+		//			GlobalVar.ApiUrl = Preferences.Default.Get("apiUrl", "https://hours.dauni.mine.nu/appapi");
+		//		}
 
-#if DEBUG
-        if (GlobalVar.ApiKey == null) {
-            GlobalVar.ApiKey = Preferences.Default.Get("apiKey", "MTQxfHNkdFptQkNZTXlPT3ZyMHNBZDl0UnVxNExMRXxodHRwOi8vaG91cnMuZGF1bmkubWluZS5udTo4MS9hcHBhcGk=");
-            GlobalVar.Name = Preferences.Default.Get("name", "Testserver: Isabell");
-            GlobalVar.Surname = Preferences.Default.Get("surname", "Biasi");
-            GlobalVar.EmployeeId = Preferences.Default.Get("EmployeeId", 141);
-            GlobalVar.ApiUrl = Preferences.Default.Get("apiUrl", "https://hours.dauni.mine.nu/appapi");
-        }
-        builder.Logging.AddDebug();
-#endif
+		//		builder.Logging.AddDebug();
+		//#endif
 
-        // DI: Services & Repositories
-        builder.Services.AddSingleton<IHoursRepository, HoursRepository>();
-        builder.Services.AddSingleton<IHoursService, HoursService>();
+		// DI: AlertService für globale Alerts (z. B. leere ApiUrl)
+		builder.Services.AddSingleton<IAlertService, AlertService>();
 
-        return builder.Build();
-    }
+		// DI: Settings aus Preferences (Single Source of Truth bleibt Preferences)
+		builder.Services.AddSingleton<IAppSettings, PreferencesAppSettings>();
 
+		// DI: ApiOptions IMMER aus aktuellen Settings erzeugen (nicht beim Start einfrieren)
+		builder.Services.AddTransient(sp => new ApiOptions {
+			BaseUrl = sp.GetRequiredService<IAppSettings>().ApiUrl, Timeout = TimeSpan.FromSeconds(15)
+		});
 
+		// Token Provider soll ebenfalls aus Settings/Preferences lesen
+		builder.Services.AddSingleton<ITokenProvider, SettingsTokenProvider>();
+
+		// HttpClient + ApiClient
+		builder.Services.AddSingleton<HttpClient>(_ => new HttpClient());
+		builder.Services.AddSingleton<IApiClient>(sp => {
+			var alert = sp.GetRequiredService<IAlertService>();
+			try {
+				return new ApiClient(
+					sp.GetRequiredService<HttpClient>(),
+					sp.GetRequiredService<ApiOptions>(),
+					sp.GetRequiredService<ITokenProvider>(),
+					sp.GetRequiredService<IAppSettings>());
+			} catch (Exception e) {
+				// Alert an UI/VM weiterreichen
+				alert.Raise(e.Message);
+				// Fallback: NullApiClient liefert beim Aufruf aussagekräftige Exception
+				return new NullApiClient(e.Message);
+			}
+		});
+
+		// DI: Infrastruktur
+		//builder.Services.AddSingleton(new ApiOptions { BaseUrl = GlobalVar.ApiUrl, Timeout = TimeSpan.FromSeconds(15) });
+		//builder.Services.AddSingleton<ITokenProvider, GlobalVarTokenProvider>();
+		//builder.Services.AddSingleton<HttpClient>(_ => new HttpClient());
+		//builder.Services.AddSingleton<IApiClient>(sp => new ApiClient(
+		//    sp.GetRequiredService<HttpClient>(),
+		//    sp.GetRequiredService<ApiOptions>(),
+		//    sp.GetRequiredService<ITokenProvider>()));
+
+		// DI: Validatoren
+		builder.Services.AddSingleton<IHoursValidator, HoursValidator>();
+
+		// DI: Services & Repositories
+		builder.Services.AddSingleton<IHoursRepository, HoursRepository>();
+		builder.Services.AddSingleton<IHoursService, HoursService>();
+
+		// DI: Views/ViewModels
+		builder.Services.AddTransient<ViewModels.StundenViewModel>();
+		builder.Services.AddTransient<Views.StundenPage>();
+
+		return builder.Build();
+	}
 }

Jugenddienst Stunden/Models/BaseFunc.cs

@@ -7,186 +7,175 @@ using System.Text.Json;
 namespace Jugenddienst_Stunden.Models;
 
 internal static class BaseFunc {
+	internal static async Task<string> GetApiDataWithAuthAsync(string url, string token) {
+		if (Connectivity.Current.NetworkAccess == NetworkAccess.None)
+			throw new Exception("Bitte überprüfen Sie Ihre Internetverbindung und versuchen Sie es erneut.");
+
+		if (string.IsNullOrEmpty(token))
+			throw new Exception("Kein APIKEY, bitte zuerst Login durchführen");
+
+		// Erstellen eines HttpClient-Objekts
+		using (HttpClient client = new HttpClient() { Timeout = TimeSpan.FromSeconds(15) }) {
+			client.DefaultRequestHeaders.Add("Accept", "application/json");
+
+			// Hinzufügen des Bearer-Tokens zum Authorization-Header
+			client.DefaultRequestHeaders.Authorization =
+				new System.Net.Http.Headers.AuthenticationHeaderValue("Bearer", token);
+
+			// Senden der Anfrage und Abrufen der Antwort
+			using (HttpResponseMessage HttpResponseMessage = await client.GetAsync(url).ConfigureAwait(false)) {
+				var byteArray = await HttpResponseMessage.Content.ReadAsByteArrayAsync();
+				string responseData = Encoding.UTF8.GetString(byteArray);
+				//using (HttpContent HttpContent = HttpResponseMessage.Content) {
+				//    //responseData = await HttpContent.ReadAsStringAsync();
+				//}
+				if (HttpResponseMessage.StatusCode == System.Net.HttpStatusCode.OK) {
+					return responseData;
+				} else {
+					var options = new JsonDocumentOptions { AllowTrailingCommas = true };
+					using (JsonDocument doc = JsonDocument.Parse(responseData, options)) {
+						JsonElement root = doc.RootElement;
+						string message = root.GetProperty("message").GetString() ??
+						                 throw new Exception("Fehler: 'message' ist null.");
+						throw new Exception(message);
+					}
+				}
+			}
+		}
+	}
 
 
-    internal static async Task<string> GetApiDataWithAuthAsync(string url, string token) {
+	internal static async Task<User> AuthUserPass(string user, string pass, string url) {
+		var values = new Dictionary<string, string> { { "user", user }, { "pass", pass } };
 
-        if (Connectivity.Current.NetworkAccess == NetworkAccess.None)
-            throw new Exception("Bitte überprüfen Sie Ihre Internetverbindung und versuchen Sie es erneut.");
+		var content = new FormUrlEncodedContent(values);
 
-        if (string.IsNullOrEmpty(token))
-            throw new Exception("Kein APIKEY, bitte zuerst Login durchführen");
+		using (HttpClient client = new HttpClient() { Timeout = TimeSpan.FromSeconds(15) }) {
+			client.DefaultRequestHeaders.Add("Accept", "application/json");
 
-        // Erstellen eines HttpClient-Objekts
-        using (HttpClient client = new HttpClient() { Timeout = TimeSpan.FromSeconds(15) }) {
+			// Senden der Anfrage und Abrufen der Antwort
+			using (HttpResponseMessage HttpResponseMessage =
+			       await client.PostAsync(url, content).ConfigureAwait(false)) {
+				if (!HttpResponseMessage.IsSuccessStatusCode) {
+					//throw new Exception("Fehler beim Einloggen " + HttpResponseMessage.Content);
+					var byteArray = await HttpResponseMessage.Content.ReadAsByteArrayAsync();
+					string responseData = Encoding.UTF8.GetString(byteArray);
+					var options = new JsonDocumentOptions { AllowTrailingCommas = true };
+					using (JsonDocument doc = JsonDocument.Parse(responseData, options)) {
+						JsonElement root = doc.RootElement;
+						string message = root.GetProperty("message").GetString() ??
+						                 throw new Exception("Fehler: 'message' ist null.");
+						throw new Exception(message);
+					}
+				}
 
-            client.DefaultRequestHeaders.Add("Accept", "application/json");
+				// Überprüfen, ob die Anfrage erfolgreich war
+				if (HttpResponseMessage.StatusCode == System.Net.HttpStatusCode.OK) {
+					using (HttpContent HttpContent = HttpResponseMessage.Content) {
+						// Lesen und Rückgabe der Antwort als String
 
-            // Hinzufügen des Bearer-Tokens zum Authorization-Header
-            client.DefaultRequestHeaders.Authorization = new System.Net.Http.Headers.AuthenticationHeaderValue("Bearer", token);
+						string responseData = await HttpContent.ReadAsStringAsync();
+						BaseResponse res = JsonConvert.DeserializeObject<BaseResponse>(responseData) ??
+						                   throw new Exception("Fehler beim Deserialisieren der Daten");
+						//User userData = System.Text.Json.JsonSerializer.Deserialize<User>(responseData) ?? throw new Exception("Fehler beim Deserialisieren der Daten");
+						return res.user;
+					}
+				}
+			}
+		}
 
-            // Senden der Anfrage und Abrufen der Antwort
-            using (HttpResponseMessage HttpResponseMessage = await client.GetAsync(url).ConfigureAwait(false)) {
-                var byteArray = await HttpResponseMessage.Content.ReadAsByteArrayAsync();
-                string responseData = Encoding.UTF8.GetString(byteArray);
-                //using (HttpContent HttpContent = HttpResponseMessage.Content) {
-                //    //responseData = await HttpContent.ReadAsStringAsync();
-                //}
-                if (HttpResponseMessage.StatusCode == System.Net.HttpStatusCode.OK) {
-                    return responseData;
-                } else {
-                    var options = new JsonDocumentOptions {
-                        AllowTrailingCommas = true
-                    };
-                    using (JsonDocument doc = JsonDocument.Parse(responseData, options)) {
-                        JsonElement root = doc.RootElement;
-                        string message = root.GetProperty("message").GetString() ?? throw new Exception("Fehler: 'message' ist null.");
-                        throw new Exception(message);
-                    }
-                }
-            }
-        }
-    }
+		return null;
+	}
 
+	/// <summary>
+	/// Notiz laden
+	/// </summary>
+	internal static Note Load(string filename) {
+		filename = System.IO.Path.Combine(FileSystem.AppDataDirectory, filename);
 
+		if (!File.Exists(filename))
+			throw new FileNotFoundException("Unable to find file on local storage.", filename);
 
-    internal static async Task<User> AuthUserPass(string user, string pass, string url) {
+		return
+			new() { Date = File.GetLastWriteTime(filename) };
+	}
 
-        var values = new Dictionary<string, string>
-            {
-                { "user", user },
-                { "pass", pass }
-            };
+	/// <summary>
+	/// Stundeneintrag speichern
+	/// </summary>
+	internal static async Task SaveItemAsync(string url, string token, DayTime item, bool isNewItem = false) {
+		//Uhrzeiten sollten sinnvolle Werte haben - außer bei Freistellungen, da wäre eigentlich null
+		if (item.TimeSpanVon == item.TimeSpanBis && item.FreistellungAktiv == null) {
+			throw new Exception("Beginn und Ende sind gleich");
+		}
 
-        var content = new FormUrlEncodedContent(values);
+		if (item.TimeSpanBis < item.TimeSpanVon) {
+			throw new Exception("Ende ist vor Beginn");
+		}
 
-        using (HttpClient client = new HttpClient() { Timeout = TimeSpan.FromSeconds(15) }) {
+		TimeSpan span = TimeSpan.Zero;
+		span += item.TimeSpanBis - item.TimeSpanVon;
+		if (span.Hours > 10) {
+			//Hier vielleicht eine Abfrage, ob mehr als 10 Stunden gesund sind?
+			//Das müsste aber das ViewModel machen
+		}
 
-            client.DefaultRequestHeaders.Add("Accept", "application/json");
+		//Gemeinde ist ein Pflichtfeld
+		if (item.GemeindeAktiv == null && GlobalVar.Settings.GemeindeAktivSet) {
+			throw new Exception("Gemeinde nicht gewählt");
+		}
 
-            // Senden der Anfrage und Abrufen der Antwort
-            using (HttpResponseMessage HttpResponseMessage = await client.PostAsync(url, content).ConfigureAwait(false)) {
-                if (!HttpResponseMessage.IsSuccessStatusCode)
-                    {
-                    //throw new Exception("Fehler beim Einloggen " + HttpResponseMessage.Content);
-                    var byteArray = await HttpResponseMessage.Content.ReadAsByteArrayAsync();
-                    string responseData = Encoding.UTF8.GetString(byteArray);
-                    var options = new JsonDocumentOptions {
-                        AllowTrailingCommas = true
-                    };
-                    using (JsonDocument doc = JsonDocument.Parse(responseData, options)) {
-                        JsonElement root = doc.RootElement;
-                        string message = root.GetProperty("message").GetString() ?? throw new Exception("Fehler: 'message' ist null.");
-                        throw new Exception(message);
-                    }
-                }
+		//Projekt ist ein Pflichtfeld
+		if (item.ProjektAktiv == null && GlobalVar.Settings.ProjektAktivSet) {
+			throw new Exception("Projekt nicht gewählt");
+		}
 
-                // Überprüfen, ob die Anfrage erfolgreich war
-                if (HttpResponseMessage.StatusCode == System.Net.HttpStatusCode.OK) {
-                    using (HttpContent HttpContent = HttpResponseMessage.Content) {
-                        // Lesen und Rückgabe der Antwort als String
+		//Keine Beschreibung
+		if (string.IsNullOrEmpty(item.Description) && item.FreistellungAktiv == null) {
+			throw new Exception("Keine Beschreibung");
+		}
 
-                        string responseData = await HttpContent.ReadAsStringAsync();
-                        BaseResponse res = JsonConvert.DeserializeObject<BaseResponse>(responseData) ?? throw new Exception("Fehler beim Deserialisieren der Daten");
-                        //User userData = System.Text.Json.JsonSerializer.Deserialize<User>(responseData) ?? throw new Exception("Fehler beim Deserialisieren der Daten");
-                        return res.user;
-                    }
-                }
-            }
+		//Keine Beschreibung
+		if (string.IsNullOrEmpty(item.Description)) {
+			item.Description = item.FreistellungAktiv.Name;
+		}
 
-        }
-        return null;
-    }
+		using (HttpClient client = new HttpClient() { Timeout = TimeSpan.FromSeconds(15) }) {
+			//HttpClient client = new HttpClient();
+			client.DefaultRequestHeaders.Add("Accept", "application/json");
+			client.DefaultRequestHeaders.Authorization =
+				new System.Net.Http.Headers.AuthenticationHeaderValue("Bearer", token);
 
-    /// <summary>
-    /// Notiz laden
-    /// </summary>
-    internal static Note Load(string filename) {
-        filename = System.IO.Path.Combine(FileSystem.AppDataDirectory, filename);
+			//string json = JsonSerializer.Serialize<DayTime>(item);
+			string json = JsonConvert.SerializeObject(item);
+			StringContent content = new StringContent(json, Encoding.UTF8, "application/json");
 
-        if (!File.Exists(filename))
-            throw new FileNotFoundException("Unable to find file on local storage.", filename);
+			HttpResponseMessage? response = null;
+			if (isNewItem)
+				response = await client.PostAsync(url, content);
+			else
+				response = await client.PutAsync(url, content);
 
-        return
-            new() {
-                Date = File.GetLastWriteTime(filename)
-            };
-    }
+			if (!response.IsSuccessStatusCode) {
+				throw new Exception("Fehler beim Speichern " + response.Content);
+			}
+		}
+	}
 
-    /// <summary>
-    /// Stundeneintrag speichern
-    /// </summary>
-    internal static async Task SaveItemAsync(string url, string token, DayTime item, bool isNewItem = false) {
+	/// <summary>
+	/// Stundeneintrag löschen
+	/// </summary>
+	internal static async Task DeleteItemAsync(string url, string token) {
+		using (HttpClient client = new HttpClient() { Timeout = TimeSpan.FromSeconds(15) }) {
+			//HttpClient client = new HttpClient();
+			client.DefaultRequestHeaders.Add("Accept", "application/json");
+			client.DefaultRequestHeaders.Authorization =
+				new System.Net.Http.Headers.AuthenticationHeaderValue("Bearer", token);
 
-        //Uhrzeiten sollten sinnvolle Werte haben - außer bei Freistellungen, da wäre eigentlich null
-        if (item.TimeSpanVon == item.TimeSpanBis && item.FreistellungAktiv == null) {
-            throw new Exception("Beginn und Ende sind gleich");
-        }
-
-        if (item.TimeSpanBis < item.TimeSpanVon) {
-            throw new Exception("Ende ist vor Beginn");
-        }
-
-        TimeSpan span = TimeSpan.Zero;
-        span += item.TimeSpanBis - item.TimeSpanVon;
-        if (span.Hours > 10) {
-            //Hier vielleicht eine Abfrage, ob mehr als 10 Stunden gesund sind?
-            //Das müsste aber das ViewModel machen
-        }
-
-        //Gemeinde ist ein Pflichtfeld
-        if (item.GemeindeAktiv == null && GlobalVar.Settings.GemeindeAktivSet) {
-            throw new Exception("Gemeinde nicht gewählt");
-        }
-        //Projekt ist ein Pflichtfeld
-        if (item.ProjektAktiv == null && GlobalVar.Settings.ProjektAktivSet) {
-            throw new Exception("Projekt nicht gewählt");
-        }
-        //Keine Beschreibung
-        if (string.IsNullOrEmpty(item.Description) && item.FreistellungAktiv == null) {
-            throw new Exception("Keine Beschreibung");
-        }
-        //Keine Beschreibung
-        if (string.IsNullOrEmpty(item.Description)) {
-            item.Description = item.FreistellungAktiv.Name;
-        }
-        using (HttpClient client = new HttpClient() { Timeout = TimeSpan.FromSeconds(15) }) {
-            //HttpClient client = new HttpClient();
-            client.DefaultRequestHeaders.Add("Accept", "application/json");
-            client.DefaultRequestHeaders.Authorization = new System.Net.Http.Headers.AuthenticationHeaderValue("Bearer", token);
-
-            //string json = JsonSerializer.Serialize<DayTime>(item);
-            string json = JsonConvert.SerializeObject(item);
-            StringContent content = new StringContent(json, Encoding.UTF8, "application/json");
-
-            HttpResponseMessage? response = null;
-            if (isNewItem)
-                response = await client.PostAsync(url, content);
-            else
-                response = await client.PutAsync(url, content);
-
-            if (!response.IsSuccessStatusCode) {
-                throw new Exception("Fehler beim Speichern " + response.Content);
-            }
-        }
-
-    }
-
-    /// <summary>
-    /// Stundeneintrag löschen
-    /// </summary>
-    internal static async Task DeleteItemAsync(string url, string token) {
-        using (HttpClient client = new HttpClient() { Timeout = TimeSpan.FromSeconds(15) }) {
-
-            //HttpClient client = new HttpClient();
-            client.DefaultRequestHeaders.Add("Accept", "application/json");
-            client.DefaultRequestHeaders.Authorization = new System.Net.Http.Headers.AuthenticationHeaderValue("Bearer", token);
-
-            HttpResponseMessage response = await client.DeleteAsync(url);
-
-            if (!response.IsSuccessStatusCode)
-                throw new Exception("Fehler beim Löschen " + response.Content);
-        }
-    }
+			HttpResponseMessage response = await client.DeleteAsync(url);
 
+			if (!response.IsSuccessStatusCode)
+				throw new Exception("Fehler beim Löschen " + response.Content);
+		}
+	}
 }

Jugenddienst Stunden/Models/GlobalVar.cs

@@ -1,26 +1,32 @@
 using Jugenddienst_Stunden.Types;
 
 namespace Jugenddienst_Stunden.Models;
+
 internal static class GlobalVar {
-    public static string ApiKey {
-        get => Preferences.Default.Get("apiKey", "");
-        set => Preferences.Default.Set("apiKey", value);
-    }
-    public static int EmployeeId {
-        get => Preferences.Default.Get("EmployeeId", 0);
-        set => Preferences.Default.Set("EmployeeId", value);
-    }
-    public static string Name {
-        get => Preferences.Default.Get("name", "Nicht");
-        set => Preferences.Default.Set("name", value);
-    }
-    public static string Surname {
-        get => Preferences.Default.Get("surname", "Eingeloggt");
-        set => Preferences.Default.Set("surname", value);
-    }
-    public static string ApiUrl {
-        get => Preferences.Default.Get("apiUrl", "");
-        set => Preferences.Default.Set("apiUrl", value);
-    }
-    public static Settings Settings { get; set; }
+	public static string ApiKey {
+		get => Preferences.Default.Get("apiKey", "");
+		set => Preferences.Default.Set("apiKey", value);
+	}
+
+	public static int EmployeeId {
+		get => Preferences.Default.Get("EmployeeId", 0);
+		set => Preferences.Default.Set("EmployeeId", value);
+	}
+
+	public static string Name {
+		get => Preferences.Default.Get("name", "Nicht");
+		set => Preferences.Default.Set("name", value);
+	}
+
+	public static string Surname {
+		get => Preferences.Default.Get("surname", "Eingeloggt");
+		set => Preferences.Default.Set("surname", value);
+	}
+
+	public static string ApiUrl {
+		get => Preferences.Default.Get("apiUrl", "");
+		set => Preferences.Default.Set("apiUrl", value);
+	}
+
+	public static Settings Settings { get; set; }
 }

Jugenddienst Stunden/Models/HoursBase.cs

@@ -4,83 +4,90 @@ using Newtonsoft.Json;
 namespace Jugenddienst_Stunden.Models;
 
 internal static class HoursBase {
+	/// <summary>
+	/// Laden ... what can be: "settings", "hours", date="YYYY-MM-DD", id=<int/>
+	/// </summary>
+	/// <returns>Entire response</returns>
+	internal static async Task<BaseResponse> LoadBase(string what) {
+		string data = await BaseFunc.GetApiDataWithAuthAsync(GlobalVar.ApiUrl + "?" + what, GlobalVar.ApiKey);
+		BaseResponse res = JsonConvert.DeserializeObject<BaseResponse>(data) ??
+		                   throw new Exception("Fehler beim Deserialisieren der Daten");
+		return res;
+	}
 
-    /// <summary>
-    /// Laden ... what can be: "settings", "hours", date="YYYY-MM-DD", id=<int/>
-    /// </summary>
-    /// <returns>Entire response</returns>
-    internal static async Task<BaseResponse> LoadBase(string what) {
-        string data = await BaseFunc.GetApiDataWithAuthAsync(GlobalVar.ApiUrl + "?"+what, GlobalVar.ApiKey);
-        BaseResponse res = JsonConvert.DeserializeObject<BaseResponse>(data) ?? throw new Exception("Fehler beim Deserialisieren der Daten");
-        return res;
-    }
+	/// <summary>
+	/// Einstellungen laden
+	/// </summary>
+	/// <returns>Settings only</returns>
+	internal static async Task<Settings> LoadSettings() {
+		string data = await BaseFunc.GetApiDataWithAuthAsync(GlobalVar.ApiUrl + "?settings", GlobalVar.ApiKey);
+		BaseResponse res = JsonConvert.DeserializeObject<BaseResponse>(data) ??
+		                   throw new Exception("Fehler beim Deserialisieren der Daten");
+		return res.settings;
+	}
 
-    /// <summary>
-    /// Einstellungen laden
-    /// </summary>
-    /// <returns>Settings only</returns>
-    internal static async Task<Settings> LoadSettings() {
-        string data = await BaseFunc.GetApiDataWithAuthAsync(GlobalVar.ApiUrl + "?settings", GlobalVar.ApiKey);
-        BaseResponse res = JsonConvert.DeserializeObject<BaseResponse>(data) ?? throw new Exception("Fehler beim Deserialisieren der Daten");
-        return res.settings;
-    }
+	/// <summary>
+	/// Daten laden
+	/// </summary>
+	/// <returns>Hours only</returns>
+	internal static async Task<Hours> LoadData() {
+		string data = await BaseFunc.GetApiDataWithAuthAsync(GlobalVar.ApiUrl + "?hours", GlobalVar.ApiKey);
+		BaseResponse res = JsonConvert.DeserializeObject<BaseResponse>(data) ??
+		                   throw new Exception("Fehler beim Deserialisieren der Daten");
+		return res.hour;
+	}
 
-    /// <summary>
-    /// Daten laden
-    /// </summary>
-    /// <returns>Hours only</returns>
-    internal static async Task<Hours> LoadData() {
-        string data = await BaseFunc.GetApiDataWithAuthAsync(GlobalVar.ApiUrl + "?hours", GlobalVar.ApiKey);
-        BaseResponse res = JsonConvert.DeserializeObject<BaseResponse>(data) ?? throw new Exception("Fehler beim Deserialisieren der Daten");
-        return res.hour;
-    }
+	/// <summary>
+	/// Benutzerdaten laden
+	/// </summary>
+	/// <returns>User-Object</returns>
+	public static async Task<User> LoadUser(string apiKey) {
+		string data = await BaseFunc.GetApiDataWithAuthAsync(GlobalVar.ApiUrl, apiKey);
+		BaseResponse res = JsonConvert.DeserializeObject<BaseResponse>(data) ??
+		                   throw new Exception("Fehler beim Deserialisieren der Daten");
+		return res.user;
+	}
 
-    /// <summary>
-    /// Benutzerdaten laden
-    /// </summary>
-    /// <returns>User-Object</returns>
-    public static async Task<User> LoadUser(string apiKey) {
-        string data = await BaseFunc.GetApiDataWithAuthAsync(GlobalVar.ApiUrl, apiKey);
-        BaseResponse res = JsonConvert.DeserializeObject<BaseResponse>(data) ?? throw new Exception("Fehler beim Deserialisieren der Daten");
-        return res.user;
-    }
+	/// <summary>
+	/// Zeiten eines Tages holen
+	/// </summary>
+	internal static async Task<List<DayTime>> LoadDay(DateTime date) {
+		string data = await BaseFunc.GetApiDataWithAuthAsync(GlobalVar.ApiUrl + "?date=" + date.ToString("yyyy-MM-dd"),
+			GlobalVar.ApiKey);
+		BaseResponse res = JsonConvert.DeserializeObject<BaseResponse>(data) ??
+		                   throw new Exception("Fehler beim Deserialisieren der Daten");
+		return res.daytimes;
+	}
 
-    /// <summary>
-    /// Zeiten eines Tages holen
-    /// </summary>
-    internal static async Task<List<DayTime>> LoadDay(DateTime date) {
-        string data = await BaseFunc.GetApiDataWithAuthAsync(GlobalVar.ApiUrl + "?date=" + date.ToString("yyyy-MM-dd"), GlobalVar.ApiKey);
-        BaseResponse res = JsonConvert.DeserializeObject<BaseResponse>(data) ?? throw new Exception("Fehler beim Deserialisieren der Daten");
-        return res.daytimes;
-    }
+	/// <summary>
+	/// Einzelnen Stundeneintrag holen
+	/// </summary>
+	internal static async Task<DayTime> LoadEntry(int id) {
+		string data = await BaseFunc.GetApiDataWithAuthAsync(GlobalVar.ApiUrl + "?id=" + id, GlobalVar.ApiKey);
+		BaseResponse res = JsonConvert.DeserializeObject<BaseResponse>(data) ??
+		                   throw new Exception("Fehler beim Deserialisieren der Daten");
+		res.daytime.TimeSpanVon = res.daytime.Begin.ToTimeSpan();
+		res.daytime.TimeSpanBis = res.daytime.End.ToTimeSpan();
+		return res.daytime;
+	}
 
-    /// <summary>
-    /// Einzelnen Stundeneintrag holen
-    /// </summary>
-    internal static async Task<DayTime> LoadEntry(int id) {
-        string data = await BaseFunc.GetApiDataWithAuthAsync(GlobalVar.ApiUrl + "?id=" + id, GlobalVar.ApiKey);
-        BaseResponse res = JsonConvert.DeserializeObject<BaseResponse>(data) ?? throw new Exception("Fehler beim Deserialisieren der Daten");
-        res.daytime.TimeSpanVon = res.daytime.Begin.ToTimeSpan();
-        res.daytime.TimeSpanBis = res.daytime.End.ToTimeSpan();
-        return res.daytime;
-    }
+	/// <summary>
+	/// Eintrag speichern
+	/// </summary>
+	internal static async Task<DayTime> SaveEntry(DayTime stunde) {
+		//, string begin, string end, string freistellung, string bemerkung) {
+		bool isNew = false;
+		if (stunde.Id == null)
+			isNew = true;
+		await BaseFunc.SaveItemAsync(GlobalVar.ApiUrl, GlobalVar.ApiKey, stunde, isNew);
 
-    /// <summary>
-    /// Eintrag speichern
-    /// </summary>
-    internal static async Task<DayTime> SaveEntry(DayTime stunde) { //, string begin, string end, string freistellung, string bemerkung) {
-        bool isNew = false;
-        if (stunde.Id == null)
-            isNew = true;
-        await BaseFunc.SaveItemAsync(GlobalVar.ApiUrl, GlobalVar.ApiKey, stunde, isNew);
+		return stunde;
+	}
 
-        return stunde;
-    }
-
-    /// <summary>
-    /// Eintrag löschen
-    /// </summary>
-    internal static async Task DeleteEntry(DayTime stunde) {
-        await BaseFunc.DeleteItemAsync(GlobalVar.ApiUrl + "/entry/" + stunde.Id, GlobalVar.ApiKey);
-    }
+	/// <summary>
+	/// Eintrag löschen
+	/// </summary>
+	internal static async Task DeleteEntry(DayTime stunde) {
+		await BaseFunc.DeleteItemAsync(GlobalVar.ApiUrl + "/entry/" + stunde.Id, GlobalVar.ApiKey);
+	}
 }

Jugenddienst Stunden/Models/JsonFlexibleIntConverters.cs

@@ -0,0 +1,56 @@
+using System;
+using System.Text.Json;
+using System.Text.Json.Serialization;
+
+namespace Jugenddienst_Stunden.Models;
+
+internal sealed class JsonFlexibleInt32Converter : JsonConverter<int> {
+    public override int Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options) {
+        switch (reader.TokenType) {
+            case JsonTokenType.Number:
+                if (reader.TryGetInt32(out var n)) return n;
+                // Fallback via double to cover edge cases
+                var d = reader.GetDouble();
+                return (int)d;
+            case JsonTokenType.String:
+                var s = reader.GetString();
+                if (string.IsNullOrWhiteSpace(s)) return 0;
+                s = s.Trim();
+                // Some APIs embed id like "141|..." -> take leading numeric part
+                int i = 0;
+                int sign = 1;
+                int idx = 0;
+                if (s.StartsWith("-")) { sign = -1; idx = 1; }
+                for (; idx < s.Length; idx++) {
+                    char c = s[idx];
+                    if (c < '0' || c > '9') break;
+                    i = i * 10 + (c - '0');
+                }
+                if (idx > 0 && (idx > 1 || sign == 1)) return i * sign;
+                if (int.TryParse(s, out var parsed)) return parsed;
+                if (long.TryParse(s, out var l)) return (int)l;
+                throw new JsonException($"Cannot convert string '{s}' to Int32.");
+            case JsonTokenType.Null:
+                return 0;
+            default:
+                throw new JsonException($"Token {reader.TokenType} is not valid for Int32.");
+        }
+    }
+
+    public override void Write(Utf8JsonWriter writer, int value, JsonSerializerOptions options)
+        => writer.WriteNumberValue(value);
+}
+
+internal sealed class JsonFlexibleNullableInt32Converter : JsonConverter<int?> {
+    public override int? Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options) {
+        if (reader.TokenType == JsonTokenType.Null) return null;
+        // Reuse non-nullable converter
+        var conv = new JsonFlexibleInt32Converter();
+        return conv.Read(ref reader, typeof(int), options);
+    }
+
+    public override void Write(Utf8JsonWriter writer, int? value, JsonSerializerOptions options) {
+        if (value.HasValue) writer.WriteNumberValue(value.Value);
+        else writer.WriteNullValue();
+    }
+}

Jugenddienst Stunden/Models/JsonSingleOrEmptyArrayConverter.cs

@@ -11,37 +11,44 @@ namespace Jugenddienst_Stunden.Models {
 			return typeof(T).IsAssignableFrom(objectType);
 		}
 
-		public override bool CanWrite { get { return false; } }
+		public override bool CanWrite {
+			get { return false; }
+		}
 
-		public override object ReadJson(JsonReader reader, Type objectType, object existingValue, JsonSerializer serializer) {
+		public override object ReadJson(JsonReader reader, Type objectType, object existingValue,
+			JsonSerializer serializer) {
 			var contract = serializer.ContractResolver.ResolveContract(objectType);
-			if (!(contract is Newtonsoft.Json.Serialization.JsonObjectContract || contract is Newtonsoft.Json.Serialization.JsonDictionaryContract)) {
-				throw new JsonSerializationException(string.Format("Unsupported objectType {0} at {1}.", objectType, reader.Path));
+			if (!(contract is Newtonsoft.Json.Serialization.JsonObjectContract ||
+			      contract is Newtonsoft.Json.Serialization.JsonDictionaryContract)) {
+				throw new JsonSerializationException(string.Format("Unsupported objectType {0} at {1}.", objectType,
+					reader.Path));
 			}
 
 			switch (reader.SkipComments().TokenType) {
 				case JsonToken.StartArray: {
-						int count = 0;
-						while (reader.Read()) {
-							switch (reader.TokenType) {
-								case JsonToken.Comment:
-									break;
-								case JsonToken.EndArray:
-									return existingValue;
-								default: {
-										count++;
-										if (count > 1)
-											throw new JsonSerializationException(string.Format("Too many objects at path {0}.", reader.Path));
-										existingValue = existingValue ?? contract.DefaultCreator();
-										serializer.Populate(reader, existingValue);
-									}
-									break;
+					int count = 0;
+					while (reader.Read()) {
+						switch (reader.TokenType) {
+							case JsonToken.Comment:
+								break;
+							case JsonToken.EndArray:
+								return existingValue;
+							default: {
+								count++;
+								if (count > 1)
+									throw new JsonSerializationException(string.Format("Too many objects at path {0}.",
+										reader.Path));
+								existingValue = existingValue ?? contract.DefaultCreator();
+								serializer.Populate(reader, existingValue);
 							}
+								break;
 						}
-						// Should not come here.
-						throw new JsonSerializationException(string.Format("Unclosed array at path {0}.", reader.Path));
 					}
 
+					// Should not come here.
+					throw new JsonSerializationException(string.Format("Unclosed array at path {0}.", reader.Path));
+				}
+
 				case JsonToken.Null:
 					return null;
 

Jugenddienst Stunden/Models/Note.cs

@@ -1,49 +1,50 @@
 namespace Jugenddienst_Stunden.Models;
+
 internal class Note {
-    public string Filename { get; set; }
-    public string Text { get; set; }
-    public DateTime Date { get; set; }
+	public string Filename { get; set; }
+	public string Text { get; set; }
+	public DateTime Date { get; set; }
 
-    public void Save() =>
-File.WriteAllText(System.IO.Path.Combine(FileSystem.AppDataDirectory, Filename), Text);
+	public void Save() =>
+		File.WriteAllText(System.IO.Path.Combine(FileSystem.AppDataDirectory, Filename), Text);
 
-    public void Delete() =>
-        File.Delete(System.IO.Path.Combine(FileSystem.AppDataDirectory, Filename));
+	public void Delete() =>
+		File.Delete(System.IO.Path.Combine(FileSystem.AppDataDirectory, Filename));
 
-    public static Note Load(string filename) {
-        filename = System.IO.Path.Combine(FileSystem.AppDataDirectory, filename);
+	public static Note Load(string filename) {
+		filename = System.IO.Path.Combine(FileSystem.AppDataDirectory, filename);
 
-        if (!File.Exists(filename))
-            throw new FileNotFoundException("Unable to find file on local storage.", filename);
+		if (!File.Exists(filename))
+			throw new FileNotFoundException("Unable to find file on local storage.", filename);
 
-        return
-            new() {
-                Filename = Path.GetFileName(filename),
-                Text = File.ReadAllText(filename),
-                Date = File.GetLastWriteTime(filename)
-            };
-    }
+		return
+			new() {
+				Filename = Path.GetFileName(filename),
+				Text = File.ReadAllText(filename),
+				Date = File.GetLastWriteTime(filename)
+			};
+	}
 
-    public static IEnumerable<Note> LoadAll() {
-        // Get the folder where the notes are stored.
-        string appDataPath = FileSystem.AppDataDirectory;
+	public static IEnumerable<Note> LoadAll() {
+		// Get the folder where the notes are stored.
+		string appDataPath = FileSystem.AppDataDirectory;
 
-        // Use Linq extensions to load the *.notes.txt files.
-        return Directory
+		// Use Linq extensions to load the *.notes.txt files.
+		return Directory
 
-                // Select the file names from the directory
-                .EnumerateFiles(appDataPath, "*.notes.txt")
+			// Select the file names from the directory
+			.EnumerateFiles(appDataPath, "*.notes.txt")
 
-                // Each file name is used to load a note
-                .Select(filename => Note.Load(Path.GetFileName(filename)))
+			// Each file name is used to load a note
+			.Select(filename => Note.Load(Path.GetFileName(filename)))
 
-                // With the final collection of notes, order them by date
-                .OrderByDescending(note => note.Date);
-    }
+			// With the final collection of notes, order them by date
+			.OrderByDescending(note => note.Date);
+	}
 
-    public Note() {
-        Filename = $"{Path.GetRandomFileName()}.notes.txt";
-        Date = DateTime.Now;
-        Text = "";
-    }
+	public Note() {
+		Filename = $"{Path.GetRandomFileName()}.notes.txt";
+		Date = DateTime.Now;
+		Text = "";
+	}
 }

Jugenddienst Stunden/Models/Operator.cs

@@ -2,20 +2,20 @@
 using Newtonsoft.Json;
 
 namespace Jugenddienst_Stunden.Models;
+
 internal class Operator {
-    public string? id;
-    public string? name;
-    public string? surname;
-    public string? email;
-    public string? password;
-    public string? lang;
-    public string? admin;
-    public string? aktiv;
-    public string? department;
-    public string? department_name;
-    public string? num;
-    public string? year;
-
-    public event EventHandler<string>? AlertEvent;
+	public string? id;
+	public string? name;
+	public string? surname;
+	public string? email;
+	public string? password;
+	public string? lang;
+	public string? admin;
+	public string? aktiv;
+	public string? department;
+	public string? department_name;
+	public string? num;
+	public string? year;
 
+	public event EventHandler<string>? AlertEvent;
 }

Jugenddienst Stunden/Models/TokenData.cs

@@ -10,19 +10,23 @@ internal class TokenData {
 	public string Operator_id { get; set; }
 
 	public TokenData(string ak) {
-        if (string.IsNullOrEmpty(ak)) {
-            throw new ArgumentException("API key cannot be null or empty", nameof(ak));
-        }
-        string dat = Encoding.UTF8.GetString(Convert.FromBase64String(ak));
+		if (string.IsNullOrEmpty(ak)) {
+			throw new ArgumentException("API key cannot be null or empty", nameof(ak));
+		}
 
-        string[] parts = dat.Split('|');
-        if (parts.Length < 3) {
-            throw new FormatException("API key format is invalid");
-        }
+		string dat = Encoding.UTF8.GetString(Convert.FromBase64String(ak));
 
-        Token = dat.Split('|')[1]; ;
-		Url = dat.Split('|')[2]; ;
-		Operator_id = dat.Split('|')[0]; ;
+		string[] parts = dat.Split('|');
+		if (parts.Length < 3) {
+			throw new FormatException("API key format is invalid");
+		}
+
+		Token = dat.Split('|')[1];
+		;
+		Url = dat.Split('|')[2];
+		;
+		Operator_id = dat.Split('|')[0];
+		;
 		ApiKey = ak;
 	}
 }

Jugenddienst Stunden/Platforms/Android/AndroidManifest.xml

@@ -1,14 +1,14 @@
 <?xml version="1.0" encoding="utf-8"?>
 <manifest xmlns:android="http://schemas.android.com/apk/res/android">
     <application
-        android:allowBackup="true"
-        android:icon="@mipmap/appicon"
-        android:supportsRtl="true"
-        android:label="Stunden"
-        />
-        <!-- android:usesCleartextTraffic="true" -->
-    <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
-    <uses-permission android:name="android.permission.INTERNET" />
-    <uses-permission android:name="android.permission.CAMERA" />
-    <uses-permission android:name="android.permission.ACCESS_WIFI_STATE" />
+            android:allowBackup="true"
+            android:icon="@mipmap/appicon"
+            android:supportsRtl="true"
+            android:label="Stunden"
+    />
+    <!-- android:usesCleartextTraffic="true" -->
+    <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE"/>
+    <uses-permission android:name="android.permission.INTERNET"/>
+    <uses-permission android:name="android.permission.CAMERA"/>
+    <uses-permission android:name="android.permission.ACCESS_WIFI_STATE"/>
 </manifest>

Jugenddienst Stunden/Platforms/Android/MainActivity.cs

@@ -3,6 +3,9 @@ using Android.Content.PM;
 using Android.OS;
 
 namespace Jugenddienst_Stunden;
-[Activity(Theme = "@style/Maui.SplashTheme", MainLauncher = true, LaunchMode = LaunchMode.SingleTop, ConfigurationChanges = ConfigChanges.ScreenSize | ConfigChanges.Orientation | ConfigChanges.UiMode | ConfigChanges.ScreenLayout | ConfigChanges.SmallestScreenSize | ConfigChanges.Density)]
+
+[Activity(Theme = "@style/Maui.SplashTheme", MainLauncher = true, LaunchMode = LaunchMode.SingleTop,
+	ConfigurationChanges = ConfigChanges.ScreenSize | ConfigChanges.Orientation | ConfigChanges.UiMode |
+	                       ConfigChanges.ScreenLayout | ConfigChanges.SmallestScreenSize | ConfigChanges.Density)]
 public class MainActivity : MauiAppCompatActivity {
 }

Jugenddienst Stunden/Platforms/MacCatalyst/Info.plist

@@ -1,38 +1,38 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
 <plist version="1.0">
-<dict>
-    <!-- The Mac App Store requires you specify if the app uses encryption. -->
-    <!-- Please consult https://developer.apple.com/documentation/bundleresources/information_property_list/itsappusesnonexemptencryption -->
-    <!-- <key>ITSAppUsesNonExemptEncryption</key> -->
-    <!-- Please indicate <true/> or <false/> here. -->
+    <dict>
+        <!-- The Mac App Store requires you specify if the app uses encryption. -->
+        <!-- Please consult https://developer.apple.com/documentation/bundleresources/information_property_list/itsappusesnonexemptencryption -->
+        <!-- <key>ITSAppUsesNonExemptEncryption</key> -->
+        <!-- Please indicate <true/> or <false/> here. -->
 
-    <!-- Specify the category for your app here. -->
-    <!-- Please consult https://developer.apple.com/documentation/bundleresources/information_property_list/lsapplicationcategorytype -->
-    <!-- <key>LSApplicationCategoryType</key> -->
-    <!-- <string>public.app-category.YOUR-CATEGORY-HERE</string> -->
-	<key>UIDeviceFamily</key>
-	<array>
-		<integer>2</integer>
-	</array>
-	<key>UIRequiredDeviceCapabilities</key>
-	<array>
-		<string>arm64</string>
-	</array>
-	<key>UISupportedInterfaceOrientations</key>
-	<array>
-		<string>UIInterfaceOrientationPortrait</string>
-		<string>UIInterfaceOrientationLandscapeLeft</string>
-		<string>UIInterfaceOrientationLandscapeRight</string>
-	</array>
-	<key>UISupportedInterfaceOrientations~ipad</key>
-	<array>
-		<string>UIInterfaceOrientationPortrait</string>
-		<string>UIInterfaceOrientationPortraitUpsideDown</string>
-		<string>UIInterfaceOrientationLandscapeLeft</string>
-		<string>UIInterfaceOrientationLandscapeRight</string>
-	</array>
-	<key>XSAppIconAssets</key>
-	<string>Assets.xcassets/appicon.appiconset</string>
-</dict>
+        <!-- Specify the category for your app here. -->
+        <!-- Please consult https://developer.apple.com/documentation/bundleresources/information_property_list/lsapplicationcategorytype -->
+        <!-- <key>LSApplicationCategoryType</key> -->
+        <!-- <string>public.app-category.YOUR-CATEGORY-HERE</string> -->
+        <key>UIDeviceFamily</key>
+        <array>
+            <integer>2</integer>
+        </array>
+        <key>UIRequiredDeviceCapabilities</key>
+        <array>
+            <string>arm64</string>
+        </array>
+        <key>UISupportedInterfaceOrientations</key>
+        <array>
+            <string>UIInterfaceOrientationPortrait</string>
+            <string>UIInterfaceOrientationLandscapeLeft</string>
+            <string>UIInterfaceOrientationLandscapeRight</string>
+        </array>
+        <key>UISupportedInterfaceOrientations~ipad</key>
+        <array>
+            <string>UIInterfaceOrientationPortrait</string>
+            <string>UIInterfaceOrientationPortraitUpsideDown</string>
+            <string>UIInterfaceOrientationLandscapeLeft</string>
+            <string>UIInterfaceOrientationLandscapeRight</string>
+        </array>
+        <key>XSAppIconAssets</key>
+        <string>Assets.xcassets/appicon.appiconset</string>
+    </dict>
 </plist>

Jugenddienst Stunden/Platforms/Tizen/tizen-manifest.xml

@@ -1,15 +1,17 @@
 <?xml version="1.0" encoding="utf-8"?>
-<manifest package="maui-application-id-placeholder" version="0.0.0" api-version="8" xmlns="http://tizen.org/ns/packages">
-  <profile name="common" />
-  <ui-application appid="maui-application-id-placeholder" exec="Jugenddienst Stunden.dll" multiple="false" nodisplay="false" taskmanage="true" type="dotnet" launch_mode="single">
-    <label>maui-application-title-placeholder</label>
-    <icon>maui-appicon-placeholder</icon>
-    <metadata key="http://tizen.org/metadata/prefer_dotnet_aot" value="true" />
-  </ui-application>
-  <shortcut-list />
-  <privileges>
-    <privilege>http://tizen.org/privilege/internet</privilege>
-  </privileges> 
-  <dependencies />
-  <provides-appdefined-privileges />
+<manifest package="maui-application-id-placeholder" version="0.0.0" api-version="8"
+          xmlns="http://tizen.org/ns/packages">
+    <profile name="common"/>
+    <ui-application appid="maui-application-id-placeholder" exec="Jugenddienst Stunden.dll" multiple="false"
+                    nodisplay="false" taskmanage="true" type="dotnet" launch_mode="single">
+        <label>maui-application-title-placeholder</label>
+        <icon>maui-appicon-placeholder</icon>
+        <metadata key="http://tizen.org/metadata/prefer_dotnet_aot" value="true"/>
+    </ui-application>
+    <shortcut-list/>
+    <privileges>
+        <privilege>http://tizen.org/privilege/internet</privilege>
+    </privileges>
+    <dependencies/>
+    <provides-appdefined-privileges/>
 </manifest>

Jugenddienst Stunden/Platforms/Windows/App.xaml.cs

@@ -19,9 +19,5 @@ namespace Jugenddienst_Stunden.WinUI {
 		/// </summary>
 		/// <returns></returns>
 		protected override MauiApp CreateMauiApp() => MauiProgram.CreateMauiApp();
-
-
 	}
-
-
 }

Jugenddienst Stunden/Platforms/Windows/Package.appxmanifest

@@ -1,70 +1,74 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Package
-  xmlns="http://schemas.microsoft.com/appx/manifest/foundation/windows10"
-  xmlns:uap="http://schemas.microsoft.com/appx/manifest/uap/windows10"
-  xmlns:mp="http://schemas.microsoft.com/appx/2014/phone/manifest"
-  xmlns:rescap="http://schemas.microsoft.com/appx/manifest/foundation/windows10/restrictedcapabilities"
-  xmlns:com="http://schemas.microsoft.com/appx/manifest/com/windows10"
-  xmlns:desktop="http://schemas.microsoft.com/appx/manifest/desktop/windows10"
-  IgnorableNamespaces="uap rescap com desktop">
+        xmlns="http://schemas.microsoft.com/appx/manifest/foundation/windows10"
+        xmlns:uap="http://schemas.microsoft.com/appx/manifest/uap/windows10"
+        xmlns:mp="http://schemas.microsoft.com/appx/2014/phone/manifest"
+        xmlns:rescap="http://schemas.microsoft.com/appx/manifest/foundation/windows10/restrictedcapabilities"
+        xmlns:com="http://schemas.microsoft.com/appx/manifest/com/windows10"
+        xmlns:desktop="http://schemas.microsoft.com/appx/manifest/desktop/windows10"
+        IgnorableNamespaces="uap rescap com desktop">
 
-  <Identity Name="JugenddienstStunden" Publisher="CN=User Name" Version="0.0.0.0" />
+    <Identity Name="JugenddienstStunden" Publisher="CN=User Name" Version="0.0.0.0"/>
 
-  <mp:PhoneIdentity PhoneProductId="4BA4D7D7-E3C2-4BBF-92EF-0EDB5DB5CDB4" PhonePublisherId="00000000-0000-0000-0000-000000000000"/>
+    <mp:PhoneIdentity PhoneProductId="4BA4D7D7-E3C2-4BBF-92EF-0EDB5DB5CDB4"
+                      PhonePublisherId="00000000-0000-0000-0000-000000000000"/>
 
-  <Properties>
-    <DisplayName>$placeholder$</DisplayName>
-    <PublisherDisplayName>Daniel Pichler</PublisherDisplayName>
-    <Logo>Resources\Windows\$placeholder$.png</Logo>
-  </Properties>
+    <Properties>
+        <DisplayName>$placeholder$</DisplayName>
+        <PublisherDisplayName>Daniel Pichler</PublisherDisplayName>
+        <Logo>Resources\Windows\$placeholder$.png</Logo>
+    </Properties>
 
-  <Dependencies>
-    <TargetDeviceFamily Name="Windows.Universal" MinVersion="10.0.17763.0" MaxVersionTested="10.0.19041.0" />
-    <TargetDeviceFamily Name="Windows.Desktop" MinVersion="10.0.17763.0" MaxVersionTested="10.0.19041.0" />
-  </Dependencies>
+    <Dependencies>
+        <TargetDeviceFamily Name="Windows.Universal" MinVersion="10.0.17763.0" MaxVersionTested="10.0.19041.0"/>
+        <TargetDeviceFamily Name="Windows.Desktop" MinVersion="10.0.17763.0" MaxVersionTested="10.0.19041.0"/>
+    </Dependencies>
 
-  <Resources>
-    <Resource Language="x-generate" />
-  </Resources>
+    <Resources>
+        <Resource Language="x-generate"/>
+    </Resources>
 
-  <Applications>
-    <Application Id="App" Executable="$targetnametoken$.exe" EntryPoint="$targetentrypoint$">
-      <uap:VisualElements
-        DisplayName="$placeholder$"
-        Description="$placeholder$"
-        Square150x150Logo="Resources\Windows\$placeholder$.png"
-        Square44x44Logo="Resources\Windows\$placeholder$.png"
-        BackgroundColor="transparent">
-        <uap:DefaultTile Square71x71Logo="Resources\Windows\Small\$placeholder$.png" Wide310x150Logo="Resources\Windows\Wide\$placeholder$.png" Square310x310Logo="Resources\Windows\$placeholder$.png"  ShortName="Stunden"/>
-        <uap:SplashScreen Image="Resources\Windows\Splash\$placeholder$.png"  BackgroundColor="#F7931D"/>
-      </uap:VisualElements>
+    <Applications>
+        <Application Id="App" Executable="$targetnametoken$.exe" EntryPoint="$targetentrypoint$">
+            <uap:VisualElements
+                    DisplayName="$placeholder$"
+                    Description="$placeholder$"
+                    Square150x150Logo="Resources\Windows\$placeholder$.png"
+                    Square44x44Logo="Resources\Windows\$placeholder$.png"
+                    BackgroundColor="transparent">
+                <uap:DefaultTile Square71x71Logo="Resources\Windows\Small\$placeholder$.png"
+                                 Wide310x150Logo="Resources\Windows\Wide\$placeholder$.png"
+                                 Square310x310Logo="Resources\Windows\$placeholder$.png" ShortName="Stunden"/>
+                <uap:SplashScreen Image="Resources\Windows\Splash\$placeholder$.png" BackgroundColor="#F7931D"/>
+            </uap:VisualElements>
 
-        <Extensions>
+            <Extensions>
 
-            <!-- Specify which CLSID to activate when notification is clicked -->
-            <desktop:Extension Category="windows.toastNotificationActivation">
-                <desktop:ToastNotificationActivation ToastActivatorCLSID="6e919706-2634-4d97-a93c-2213b2acc334" />
-            </desktop:Extension>
+                <!-- Specify which CLSID to activate when notification is clicked -->
+                <desktop:Extension Category="windows.toastNotificationActivation">
+                    <desktop:ToastNotificationActivation ToastActivatorCLSID="6e919706-2634-4d97-a93c-2213b2acc334"/>
+                </desktop:Extension>
 
-            <!-- Register COM CLSID -->
-            <com:Extension Category="windows.comServer">
-                <com:ComServer>
-                    <com:ExeServer Executable="Jugenddienst Stunden.exe" DisplayName="$targetnametoken$" Arguments="----AppNotificationActivated:">
-                        <!-- Example path to executable: CommunityToolkit.Maui.Sample\CommunityToolkit.Maui.Sample.exe -->
-                        <com:Class Id="6e919706-2634-4d97-a93c-2213b2acc334" />
-                    </com:ExeServer>
-                </com:ComServer>
-            </com:Extension>
+                <!-- Register COM CLSID -->
+                <com:Extension Category="windows.comServer">
+                    <com:ComServer>
+                        <com:ExeServer Executable="Jugenddienst Stunden.exe" DisplayName="$targetnametoken$"
+                                       Arguments="----AppNotificationActivated:">
+                            <!-- Example path to executable: CommunityToolkit.Maui.Sample\CommunityToolkit.Maui.Sample.exe -->
+                            <com:Class Id="6e919706-2634-4d97-a93c-2213b2acc334"/>
+                        </com:ExeServer>
+                    </com:ComServer>
+                </com:Extension>
 
-        </Extensions>
+            </Extensions>
 
-    </Application>
-  </Applications>
+        </Application>
+    </Applications>
 
-  <Capabilities>
-    <rescap:Capability Name="runFullTrust" />
-    <Capability Name="internetClient"/>
-    <DeviceCapability Name="webcam"/>
-  </Capabilities>
+    <Capabilities>
+        <rescap:Capability Name="runFullTrust"/>
+        <Capability Name="internetClient"/>
+        <DeviceCapability Name="webcam"/>
+    </Capabilities>
 
 </Package>

Jugenddienst Stunden/Platforms/Windows/app.manifest

@@ -1,15 +1,16 @@
 <?xml version="1.0" encoding="utf-8"?>
 <assembly manifestVersion="1.0" xmlns="urn:schemas-microsoft-com:asm.v1">
-  <assemblyIdentity version="1.0.0.0" name="Jugenddienst Stunden.WinUI.app"/>
+    <assemblyIdentity version="1.0.0.0" name="Jugenddienst Stunden.WinUI.app"/>
 
-  <application xmlns="urn:schemas-microsoft-com:asm.v3">
-    <windowsSettings>
-      <!-- The combination of below two tags have the following effect:
-           1) Per-Monitor for >= Windows 10 Anniversary Update
-           2) System < Windows 10 Anniversary Update
-      -->
-      <dpiAware xmlns="http://schemas.microsoft.com/SMI/2005/WindowsSettings">true/PM</dpiAware>
-      <dpiAwareness xmlns="http://schemas.microsoft.com/SMI/2016/WindowsSettings">PerMonitorV2, PerMonitor</dpiAwareness>
-    </windowsSettings>
-  </application>
+    <application xmlns="urn:schemas-microsoft-com:asm.v3">
+        <windowsSettings>
+            <!-- The combination of below two tags have the following effect:
+                 1) Per-Monitor for >= Windows 10 Anniversary Update
+                 2) System < Windows 10 Anniversary Update
+            -->
+            <dpiAware xmlns="http://schemas.microsoft.com/SMI/2005/WindowsSettings">true/PM</dpiAware>
+            <dpiAwareness xmlns="http://schemas.microsoft.com/SMI/2016/WindowsSettings">PerMonitorV2, PerMonitor
+            </dpiAwareness>
+        </windowsSettings>
+    </application>
 </assembly>

Jugenddienst Stunden/Platforms/iOS/Info.plist

@@ -1,34 +1,34 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
 <plist version="1.0">
-<dict>
-	<key>LSRequiresIPhoneOS</key>
-	<true/>
-	<key>UIDeviceFamily</key>
-	<array>
-		<integer>1</integer>
-		<integer>2</integer>
-	</array>
-	<key>UIRequiredDeviceCapabilities</key>
-	<array>
-		<string>arm64</string>
-	</array>
-	<key>UISupportedInterfaceOrientations</key>
-	<array>
-		<string>UIInterfaceOrientationPortrait</string>
-	</array>
-	<key>UISupportedInterfaceOrientations~ipad</key>
-	<array>
-		<string>UIInterfaceOrientationPortrait</string>
-		<string>UIInterfaceOrientationPortraitUpsideDown</string>
-		<string>UIInterfaceOrientationLandscapeLeft</string>
-		<string>UIInterfaceOrientationLandscapeRight</string>
-	</array>
-	<key>NSCameraUsageDescription</key>
-	<string>This app uses barcode scanning to...</string>
-	<key>XSAppIconAssets</key>
-	<string>Assets.xcassets/appicon.appiconset</string>
-	<key>CFBundleIdentifier</key>
-	<string></string>
-</dict>
+    <dict>
+        <key>LSRequiresIPhoneOS</key>
+        <true/>
+        <key>UIDeviceFamily</key>
+        <array>
+            <integer>1</integer>
+            <integer>2</integer>
+        </array>
+        <key>UIRequiredDeviceCapabilities</key>
+        <array>
+            <string>arm64</string>
+        </array>
+        <key>UISupportedInterfaceOrientations</key>
+        <array>
+            <string>UIInterfaceOrientationPortrait</string>
+        </array>
+        <key>UISupportedInterfaceOrientations~ipad</key>
+        <array>
+            <string>UIInterfaceOrientationPortrait</string>
+            <string>UIInterfaceOrientationPortraitUpsideDown</string>
+            <string>UIInterfaceOrientationLandscapeLeft</string>
+            <string>UIInterfaceOrientationLandscapeRight</string>
+        </array>
+        <key>NSCameraUsageDescription</key>
+        <string>This app uses barcode scanning to...</string>
+        <key>XSAppIconAssets</key>
+        <string>Assets.xcassets/appicon.appiconset</string>
+        <key>CFBundleIdentifier</key>
+        <string></string>
+    </dict>
 </plist>

Jugenddienst Stunden/Properties/Resources.Designer.cs

@@ -1,10 +1,9 @@
 //------------------------------------------------------------------------------
 // <auto-generated>
-//     Dieser Code wurde von einem Tool generiert.
-//     Laufzeitversion:4.0.30319.42000
+//     This code was generated by a tool.
 //
-//     Änderungen an dieser Datei können falsches Verhalten verursachen und gehen verloren, wenn
-//     der Code erneut generiert wird.
+//     Changes to this file may cause incorrect behavior and will be lost if
+//     the code is regenerated.
 // </auto-generated>
 //------------------------------------------------------------------------------
 
@@ -13,12 +12,12 @@ namespace Jugenddienst_Stunden.Properties {
     
     
     /// <summary>
-    ///   Eine stark typisierte Ressourcenklasse zum Suchen von lokalisierten Zeichenfolgen usw.
+    ///   A strongly-typed resource class, for looking up localized strings, etc.
     /// </summary>
-    // Diese Klasse wurde von der StronglyTypedResourceBuilder automatisch generiert
-    // -Klasse über ein Tool wie ResGen oder Visual Studio automatisch generiert.
-    // Um einen Member hinzuzufügen oder zu entfernen, bearbeiten Sie die .ResX-Datei und führen dann ResGen
-    // mit der /str-Option erneut aus, oder Sie erstellen Ihr VS-Projekt neu.
+    // This class was auto-generated by the StronglyTypedResourceBuilder
+    // class via a tool like ResGen or Visual Studio.
+    // To add or remove a member, edit your .ResX file then rerun ResGen
+    // with the /str option, or rebuild your VS project.
     [global::System.CodeDom.Compiler.GeneratedCodeAttribute("System.Resources.Tools.StronglyTypedResourceBuilder", "17.0.0.0")]
     [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
     [global::System.Runtime.CompilerServices.CompilerGeneratedAttribute()]
@@ -33,7 +32,7 @@ namespace Jugenddienst_Stunden.Properties {
         }
         
         /// <summary>
-        ///   Gibt die zwischengespeicherte ResourceManager-Instanz zurück, die von dieser Klasse verwendet wird.
+        ///   Returns the cached ResourceManager instance used by this class.
         /// </summary>
         [global::System.ComponentModel.EditorBrowsableAttribute(global::System.ComponentModel.EditorBrowsableState.Advanced)]
         internal static global::System.Resources.ResourceManager ResourceManager {
@@ -47,8 +46,8 @@ namespace Jugenddienst_Stunden.Properties {
         }
         
         /// <summary>
-        ///   Überschreibt die CurrentUICulture-Eigenschaft des aktuellen Threads für alle
-        ///   Ressourcenzuordnungen, die diese stark typisierte Ressourcenklasse verwenden.
+        ///   Overrides the current thread's CurrentUICulture property for all
+        ///   resource lookups using this strongly typed resource class.
         /// </summary>
         [global::System.ComponentModel.EditorBrowsableAttribute(global::System.ComponentModel.EditorBrowsableState.Advanced)]
         internal static global::System.Globalization.CultureInfo Culture {

Jugenddienst Stunden/Properties/Resources.resx

@@ -1,101 +1,106 @@
 <?xml version="1.0" encoding="utf-8"?>
 <root>
-	<!-- 
-		Microsoft ResX Schema
+    <!-- 
+        Microsoft ResX Schema
 
-		Version 1.3
+        Version 1.3
 
-		The primary goals of this format is to allow a simple XML format 
-		that is mostly human readable. The generation and parsing of the 
-		various data types are done through the TypeConverter classes 
-		associated with the data types.
+        The primary goals of this format is to allow a simple XML format 
+        that is mostly human readable. The generation and parsing of the 
+        various data types are done through the TypeConverter classes 
+        associated with the data types.
 
-		Example:
+        Example:
 
-		... ado.net/XML headers & schema ...
-		<resheader name="resmimetype">text/microsoft-resx</resheader>
-		<resheader name="version">1.3</resheader>
-		<resheader name="reader">System.Resources.ResXResourceReader, System.Windows.Forms, ...</resheader>
-		<resheader name="writer">System.Resources.ResXResourceWriter, System.Windows.Forms, ...</resheader>
-		<data name="Name1">this is my long string</data>
-		<data name="Color1" type="System.Drawing.Color, System.Drawing">Blue</data>
-		<data name="Bitmap1" mimetype="application/x-microsoft.net.object.binary.base64">
-			[base64 mime encoded serialized .NET Framework object]
-		</data>
-		<data name="Icon1" type="System.Drawing.Icon, System.Drawing" mimetype="application/x-microsoft.net.object.bytearray.base64">
-			[base64 mime encoded string representing a byte array form of the .NET Framework object]
-		</data>
+        ... ado.net/XML headers & schema ...
+        <resheader name="resmimetype">text/microsoft-resx</resheader>
+        <resheader name="version">1.3</resheader>
+        <resheader name="reader">System.Resources.ResXResourceReader, System.Windows.Forms, ...</resheader>
+        <resheader name="writer">System.Resources.ResXResourceWriter, System.Windows.Forms, ...</resheader>
+        <data name="Name1">this is my long string</data>
+        <data name="Color1" type="System.Drawing.Color, System.Drawing">Blue</data>
+        <data name="Bitmap1" mimetype="application/x-microsoft.net.object.binary.base64">
+            [base64 mime encoded serialized .NET Framework object]
+        </data>
+        <data name="Icon1" type="System.Drawing.Icon, System.Drawing" mimetype="application/x-microsoft.net.object.bytearray.base64">
+            [base64 mime encoded string representing a byte array form of the .NET Framework object]
+        </data>
 
-		There are any number of "resheader" rows that contain simple 
-		name/value pairs.
+        There are any number of "resheader" rows that contain simple 
+        name/value pairs.
 
-		Each data row contains a name, and value. The row also contains a 
-		type or mimetype. Type corresponds to a .NET class that support 
-		text/value conversion through the TypeConverter architecture. 
-		Classes that don't support this are serialized and stored with the 
-		mimetype set.
+        Each data row contains a name, and value. The row also contains a 
+        type or mimetype. Type corresponds to a .NET class that support 
+        text/value conversion through the TypeConverter architecture. 
+        Classes that don't support this are serialized and stored with the 
+        mimetype set.
 
-		The mimetype is used for serialized objects, and tells the 
-		ResXResourceReader how to depersist the object. This is currently not 
-		extensible. For a given mimetype the value must be set accordingly:
+        The mimetype is used for serialized objects, and tells the 
+        ResXResourceReader how to depersist the object. This is currently not 
+        extensible. For a given mimetype the value must be set accordingly:
 
-		Note - application/x-microsoft.net.object.binary.base64 is the format 
-		that the ResXResourceWriter will generate, however the reader can 
-		read any of the formats listed below.
+        Note - application/x-microsoft.net.object.binary.base64 is the format 
+        that the ResXResourceWriter will generate, however the reader can 
+        read any of the formats listed below.
 
-		mimetype: application/x-microsoft.net.object.binary.base64
-		value   : The object must be serialized with 
-			: System.Serialization.Formatters.Binary.BinaryFormatter
-			: and then encoded with base64 encoding.
+        mimetype: application/x-microsoft.net.object.binary.base64
+        value   : The object must be serialized with 
+            : System.Serialization.Formatters.Binary.BinaryFormatter
+            : and then encoded with base64 encoding.
 
-		mimetype: application/x-microsoft.net.object.soap.base64
-		value   : The object must be serialized with 
-			: System.Runtime.Serialization.Formatters.Soap.SoapFormatter
-			: and then encoded with base64 encoding.
+        mimetype: application/x-microsoft.net.object.soap.base64
+        value   : The object must be serialized with 
+            : System.Runtime.Serialization.Formatters.Soap.SoapFormatter
+            : and then encoded with base64 encoding.
 
-		mimetype: application/x-microsoft.net.object.bytearray.base64
-		value   : The object must be serialized into a byte array 
-			: using a System.ComponentModel.TypeConverter
-			: and then encoded with base64 encoding.
-	-->
+        mimetype: application/x-microsoft.net.object.bytearray.base64
+        value   : The object must be serialized into a byte array 
+            : using a System.ComponentModel.TypeConverter
+            : and then encoded with base64 encoding.
+    -->
 
-	<xsd:schema id="root" xmlns="" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:msdata="urn:schemas-microsoft-com:xml-msdata">
-		<xsd:element name="root" msdata:IsDataSet="true">
-			<xsd:complexType>
-				<xsd:choice maxOccurs="unbounded">
-					<xsd:element name="data">
-						<xsd:complexType>
-							<xsd:sequence>
-								<xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" />
-								<xsd:element name="comment" type="xsd:string" minOccurs="0" msdata:Ordinal="2" />
-							</xsd:sequence>
-							<xsd:attribute name="name" type="xsd:string" msdata:Ordinal="1" />
-							<xsd:attribute name="type" type="xsd:string" msdata:Ordinal="3" />
-							<xsd:attribute name="mimetype" type="xsd:string" msdata:Ordinal="4" />
-						</xsd:complexType>
-					</xsd:element>
-					<xsd:element name="resheader">
-						<xsd:complexType>
-							<xsd:sequence>
-								<xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" />
-							</xsd:sequence>
-							<xsd:attribute name="name" type="xsd:string" use="required" />
-						</xsd:complexType>
-					</xsd:element>
-				</xsd:choice>
-			</xsd:complexType>
-		</xsd:element>
-	</xsd:schema>
-	<resheader name="resmimetype">
-		<value>text/microsoft-resx</value>
-	</resheader>
-	<resheader name="version">
-		<value>1.3</value>
-	</resheader>
-	<resheader name="reader">
-		<value>System.Resources.ResXResourceReader, System.Windows.Forms, Version=2.0.3500.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
-	</resheader>
-	<resheader name="writer">
-		<value>System.Resources.ResXResourceWriter, System.Windows.Forms, Version=2.0.3500.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
-	</resheader>
+    <xsd:schema id="root" xmlns="" xmlns:xsd="http://www.w3.org/2001/XMLSchema"
+                xmlns:msdata="urn:schemas-microsoft-com:xml-msdata">
+        <xsd:element name="root" msdata:IsDataSet="true">
+            <xsd:complexType>
+                <xsd:choice maxOccurs="unbounded">
+                    <xsd:element name="data">
+                        <xsd:complexType>
+                            <xsd:sequence>
+                                <xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1"/>
+                                <xsd:element name="comment" type="xsd:string" minOccurs="0" msdata:Ordinal="2"/>
+                            </xsd:sequence>
+                            <xsd:attribute name="name" type="xsd:string" msdata:Ordinal="1"/>
+                            <xsd:attribute name="type" type="xsd:string" msdata:Ordinal="3"/>
+                            <xsd:attribute name="mimetype" type="xsd:string" msdata:Ordinal="4"/>
+                        </xsd:complexType>
+                    </xsd:element>
+                    <xsd:element name="resheader">
+                        <xsd:complexType>
+                            <xsd:sequence>
+                                <xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1"/>
+                            </xsd:sequence>
+                            <xsd:attribute name="name" type="xsd:string" use="required"/>
+                        </xsd:complexType>
+                    </xsd:element>
+                </xsd:choice>
+            </xsd:complexType>
+        </xsd:element>
+    </xsd:schema>
+    <resheader name="resmimetype">
+        <value>text/microsoft-resx</value>
+    </resheader>
+    <resheader name="version">
+        <value>1.3</value>
+    </resheader>
+    <resheader name="reader">
+        <value>System.Resources.ResXResourceReader, System.Windows.Forms, Version=2.0.3500.0, Culture=neutral,
+            PublicKeyToken=b77a5c561934e089
+        </value>
+    </resheader>
+    <resheader name="writer">
+        <value>System.Resources.ResXResourceWriter, System.Windows.Forms, Version=2.0.3500.0, Culture=neutral,
+            PublicKeyToken=b77a5c561934e089
+        </value>
+    </resheader>
 </root>

Jugenddienst Stunden/Repositories/HoursRepository.cs

@@ -1,4 +1,5 @@
 using Jugenddienst_Stunden.Interfaces;
+using Jugenddienst_Stunden.Infrastructure;
 using Jugenddienst_Stunden.Models;
 using Jugenddienst_Stunden.Types;
 
@@ -8,12 +9,72 @@ namespace Jugenddienst_Stunden.Repositories;
 /// Standard-Repository, das die bestehende API-/Model-Logik kapselt.
 /// </summary>
 internal class HoursRepository : IHoursRepository {
-    public async Task<BaseResponse> LoadBase(string query) => await HoursBase.LoadBase(query);
-    public async Task<Settings> LoadSettings() => await HoursBase.LoadSettings();
-    public async Task<Hours> LoadData() => await HoursBase.LoadData();
-    public async Task<User> LoadUser(string apiKey) => await HoursBase.LoadUser(apiKey);
-    public async Task<List<DayTime>> LoadDay(DateTime date) => await HoursBase.LoadDay(date);
-    public async Task<DayTime> LoadEntry(int id) => await HoursBase.LoadEntry(id);
-    public async Task<DayTime> SaveEntry(DayTime stunde) => await HoursBase.SaveEntry(stunde);
-    public async Task DeleteEntry(DayTime stunde) => await HoursBase.DeleteEntry(stunde);
+	private readonly IApiClient _api;
+
+	public HoursRepository(IApiClient api) {
+		_api = api;
+	}
+
+	public async Task<BaseResponse> LoadBase(string query) {
+		// Der bestehende Code übergab eine Query ohne führendes '?'
+		var dict = QueryToDictionary(query);
+		var res= await _api.GetAsync<BaseResponse>("", dict).ConfigureAwait(false);
+		return res;
+	}
+
+	public async Task<Settings> LoadSettings() {
+		var res = await _api.GetAsync<BaseResponse>("", new Dictionary<string, string?> { ["settings"] = "1" })
+			.ConfigureAwait(false);
+		return res.settings;
+	}
+
+	public async Task<Hours> LoadData() {
+		var res = await _api.GetAsync<BaseResponse>("", new Dictionary<string, string?> { ["hours"] = "1" })
+			.ConfigureAwait(false);
+		return res.hour;
+	}
+
+	public Task<User> LoadUser(string apiKey) {
+		// Für die erste Iteration bleibt das Token global; der Endpoint ohne Query liefert user
+		return _api.GetAsync<BaseResponse>("", null).ContinueWith(t => t.Result.user);
+	}
+
+	public async Task<List<DayTime>> LoadDay(DateTime date) {
+		var res = await _api
+			.GetAsync<BaseResponse>("", new Dictionary<string, string?> { ["date"] = date.ToString("yyyy-MM-dd") })
+			.ConfigureAwait(false);
+		return res.daytimes ?? new List<DayTime>();
+	}
+
+	public async Task<DayTime> LoadEntry(int id) {
+		var res = await _api.GetAsync<BaseResponse>("", new Dictionary<string, string?> { ["id"] = id.ToString() })
+			.ConfigureAwait(false);
+		res.daytime.TimeSpanVon = res.daytime.Begin.ToTimeSpan();
+		res.daytime.TimeSpanBis = res.daytime.End.ToTimeSpan();
+		return res.daytime;
+	}
+
+	public async Task<DayTime> SaveEntry(DayTime stunde) {
+		bool isNew = stunde.Id is null;
+		var method = isNew ? HttpMethod.Post : HttpMethod.Put;
+		await _api.SendAsync<object>(method, "", stunde).ConfigureAwait(false);
+		return stunde;
+	}
+
+	public Task DeleteEntry(DayTime stunde)
+		=> _api.DeleteAsync($"/entry/{stunde.Id}");
+
+	private static Dictionary<string, string?> QueryToDictionary(string query) {
+		var dict = new Dictionary<string, string?>();
+		if (string.IsNullOrWhiteSpace(query)) return dict;
+		var q = query.TrimStart('?');
+		foreach (var part in q.Split('&', StringSplitOptions.RemoveEmptyEntries)) {
+			var kv = part.Split('=', 2);
+			var key = Uri.UnescapeDataString(kv[0]);
+			var val = kv.Length > 1 ? Uri.UnescapeDataString(kv[1]) : null;
+			dict[key] = val;
+		}
+
+		return dict;
+	}
 }

Jugenddienst Stunden/Resources/AppIcon/appicon.svg

@@ -1,5 +1,7 @@
 <?xml version="1.0" encoding="UTF-8" standalone="no"?>
 <!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
-<svg width="100%" height="100%" viewBox="0 0 456 456" version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" xml:space="preserve" xmlns:serif="http://www.serif.com/" style="fill-rule:evenodd;clip-rule:evenodd;stroke-linejoin:round;stroke-miterlimit:2;">
+<svg width="100%" height="100%" viewBox="0 0 456 456" version="1.1" xmlns="http://www.w3.org/2000/svg"
+     xmlns:xlink="http://www.w3.org/1999/xlink" xml:space="preserve" xmlns:serif="http://www.serif.com/"
+     style="fill-rule:evenodd;clip-rule:evenodd;stroke-linejoin:round;stroke-miterlimit:2;">
     <rect x="0" y="0" width="456" height="456" style="fill:white;"/>
 </svg>

Jugenddienst Stunden/Resources/AppIcon/appiconfg.svg

@@ -1,41 +1,54 @@
 <?xml version="1.0" encoding="UTF-8" standalone="no"?>
 <!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
-<svg width="100%" height="100%" viewBox="0 0 456 456" version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" xml:space="preserve" xmlns:serif="http://www.serif.com/" style="fill-rule:evenodd;clip-rule:evenodd;stroke-linejoin:round;stroke-miterlimit:2;">
+<svg width="100%" height="100%" viewBox="0 0 456 456" version="1.1" xmlns="http://www.w3.org/2000/svg"
+     xmlns:xlink="http://www.w3.org/1999/xlink" xml:space="preserve" xmlns:serif="http://www.serif.com/"
+     style="fill-rule:evenodd;clip-rule:evenodd;stroke-linejoin:round;stroke-miterlimit:2;">
     <g id="JD" transform="matrix(0.96485,0,0,0.96485,104.499,104.499)">
         <g transform="matrix(12.0607,0,0,12.0607,101.169,256)">
-            <path d="M0,-11.938L0,-4.95C0,-3.918 -0.071,-3.151 -0.214,-2.644C-0.359,-2.069 -0.604,-1.583 -0.95,-1.184C-1.624,-0.397 -2.515,0 -3.626,0C-4.117,0 -4.588,-0.075 -5.04,-0.226L-5.04,-2.305L-4.999,-2.375C-4.509,-2.048 -4.052,-1.884 -3.626,-1.884C-3.026,-1.884 -2.612,-2.112 -2.382,-2.565C-2.141,-3.019 -2.02,-3.817 -2.02,-4.95L-2.02,-11.938L0,-11.938" style="fill-rule:nonzero;"/>
+            <path d="M0,-11.938L0,-4.95C0,-3.918 -0.071,-3.151 -0.214,-2.644C-0.359,-2.069 -0.604,-1.583 -0.95,-1.184C-1.624,-0.397 -2.515,0 -3.626,0C-4.117,0 -4.588,-0.075 -5.04,-0.226L-5.04,-2.305L-4.999,-2.375C-4.509,-2.048 -4.052,-1.884 -3.626,-1.884C-3.026,-1.884 -2.612,-2.112 -2.382,-2.565C-2.141,-3.019 -2.02,-3.817 -2.02,-4.95L-2.02,-11.938L0,-11.938"
+                  style="fill-rule:nonzero;"/>
         </g>
         <g transform="matrix(0,12.0607,12.0607,0,87.6884,17.5193)">
-            <path d="M1.249,-1.246C0.559,-1.246 -0.002,-0.687 -0.002,0.002C-0.002,0.692 0.559,1.249 1.249,1.249C1.936,1.249 2.497,0.692 2.497,0.002C2.497,-0.687 1.936,-1.246 1.249,-1.246" style="fill-rule:nonzero;"/>
+            <path d="M1.249,-1.246C0.559,-1.246 -0.002,-0.687 -0.002,0.002C-0.002,0.692 0.559,1.249 1.249,1.249C1.936,1.249 2.497,0.692 2.497,0.002C2.497,-0.687 1.936,-1.246 1.249,-1.246"
+                  style="fill-rule:nonzero;"/>
         </g>
         <g transform="matrix(12.0607,0,0,12.0607,32.4324,105.748)">
-            <path d="M0,-5.018C0.88,-4.169 2.079,-3.647 3.398,-3.647C6.103,-3.647 8.293,-5.838 8.293,-8.539L8.288,-8.768L10.103,-8.768L10.107,-8.539C10.107,-5.953 8.64,-3.705 6.49,-2.586C7.743,-2.48 8.98,-2.02 10.042,-1.19L10.221,-1.044L9.103,0.384L8.926,0.242C6.796,-1.425 3.719,-1.044 2.055,1.084C1.43,1.878 1.096,2.811 1.03,3.75L-0.788,3.75C-0.72,2.42 -0.256,1.095 0.626,-0.033C1.239,-0.816 1.992,-1.427 2.82,-1.857C1.229,-1.993 -0.204,-2.685 -1.283,-3.737L0,-5.018" style="fill:rgb(247,147,29);fill-rule:nonzero;"/>
+            <path d="M0,-5.018C0.88,-4.169 2.079,-3.647 3.398,-3.647C6.103,-3.647 8.293,-5.838 8.293,-8.539L8.288,-8.768L10.103,-8.768L10.107,-8.539C10.107,-5.953 8.64,-3.705 6.49,-2.586C7.743,-2.48 8.98,-2.02 10.042,-1.19L10.221,-1.044L9.103,0.384L8.926,0.242C6.796,-1.425 3.719,-1.044 2.055,1.084C1.43,1.878 1.096,2.811 1.03,3.75L-0.788,3.75C-0.72,2.42 -0.256,1.095 0.626,-0.033C1.239,-0.816 1.992,-1.427 2.82,-1.857C1.229,-1.993 -0.204,-2.685 -1.283,-3.737L0,-5.018"
+                  style="fill:rgb(247,147,29);fill-rule:nonzero;"/>
         </g>
         <g transform="matrix(12.0607,0,0,12.0607,109.437,86.7078)">
-            <path d="M0,7.464C0,4.526 2.384,2.142 5.325,2.142C6.633,2.142 7.832,2.61 8.758,3.395L8.758,-5.324L10.746,-5.324L10.746,12.598L8.758,12.598L8.758,11.534C7.832,12.318 6.633,12.788 5.325,12.788C2.384,12.788 0,10.404 0,7.464M2.113,7.401C2.113,9.234 3.598,10.719 5.432,10.719C7.263,10.719 8.747,9.234 8.747,7.401C8.747,5.569 7.263,4.083 5.432,4.083C3.598,4.083 2.113,5.569 2.113,7.401" style="fill-rule:nonzero;"/>
+            <path d="M0,7.464C0,4.526 2.384,2.142 5.325,2.142C6.633,2.142 7.832,2.61 8.758,3.395L8.758,-5.324L10.746,-5.324L10.746,12.598L8.758,12.598L8.758,11.534C7.832,12.318 6.633,12.788 5.325,12.788C2.384,12.788 0,10.404 0,7.464M2.113,7.401C2.113,9.234 3.598,10.719 5.432,10.719C7.263,10.719 8.747,9.234 8.747,7.401C8.747,5.569 7.263,4.083 5.432,4.083C3.598,4.083 2.113,5.569 2.113,7.401"
+                  style="fill-rule:nonzero;"/>
         </g>
     </g>
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Jugenddienst Stunden/Resources/Images/logo_splash_win.svg

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Jugenddienst Stunden/Resources/Splash/splash.svg

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         </g>
         <g transform="matrix(12.0607,0,0,12.0607,209.437,186.708)">
-            <path d="M0,7.464C0,4.526 2.384,2.142 5.325,2.142C6.633,2.142 7.832,2.61 8.758,3.395L8.758,-5.324L10.746,-5.324L10.746,12.598L8.758,12.598L8.758,11.534C7.832,12.318 6.633,12.788 5.325,12.788C2.384,12.788 0,10.404 0,7.464M2.113,7.401C2.113,9.234 3.598,10.719 5.432,10.719C7.263,10.719 8.747,9.234 8.747,7.401C8.747,5.569 7.263,4.083 5.432,4.083C3.598,4.083 2.113,5.569 2.113,7.401" style="fill-rule:nonzero;"/>
+            <path d="M0,7.464C0,4.526 2.384,2.142 5.325,2.142C6.633,2.142 7.832,2.61 8.758,3.395L8.758,-5.324L10.746,-5.324L10.746,12.598L8.758,12.598L8.758,11.534C7.832,12.318 6.633,12.788 5.325,12.788C2.384,12.788 0,10.404 0,7.464M2.113,7.401C2.113,9.234 3.598,10.719 5.432,10.719C7.263,10.719 8.747,9.234 8.747,7.401C8.747,5.569 7.263,4.083 5.432,4.083C3.598,4.083 2.113,5.569 2.113,7.401"
+                  style="fill-rule:nonzero;"/>
         </g>
     </g>
 </svg>

Jugenddienst Stunden/Resources/Styles/Colors.xaml

@@ -1,5 +1,6 @@
-<?xml version="1.0" encoding="UTF-8" ?>
+<?xml version="1.0" encoding="UTF-8"?>
 <?xaml-comp compile="true" ?>
+
 <ResourceDictionary
     xmlns="http://schemas.microsoft.com/dotnet/2021/maui"
     xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml">
@@ -30,18 +31,18 @@
     <Color x:Key="Gray900">#212121</Color>
     <Color x:Key="Gray950">#141414</Color>
 
-    <SolidColorBrush x:Key="PrimaryBrush" Color="{StaticResource Primary}"/>
-    <SolidColorBrush x:Key="SecondaryBrush" Color="{StaticResource Secondary}"/>
-    <SolidColorBrush x:Key="TertiaryBrush" Color="{StaticResource Tertiary}"/>
-    <SolidColorBrush x:Key="WhiteBrush" Color="{StaticResource White}"/>
-    <SolidColorBrush x:Key="BlackBrush" Color="{StaticResource Black}"/>
+    <SolidColorBrush x:Key="PrimaryBrush" Color="{StaticResource Primary}" />
+    <SolidColorBrush x:Key="SecondaryBrush" Color="{StaticResource Secondary}" />
+    <SolidColorBrush x:Key="TertiaryBrush" Color="{StaticResource Tertiary}" />
+    <SolidColorBrush x:Key="WhiteBrush" Color="{StaticResource White}" />
+    <SolidColorBrush x:Key="BlackBrush" Color="{StaticResource Black}" />
 
-    <SolidColorBrush x:Key="Gray100Brush" Color="{StaticResource Gray100}"/>
-    <SolidColorBrush x:Key="Gray200Brush" Color="{StaticResource Gray200}"/>
-    <SolidColorBrush x:Key="Gray300Brush" Color="{StaticResource Gray300}"/>
-    <SolidColorBrush x:Key="Gray400Brush" Color="{StaticResource Gray400}"/>
-    <SolidColorBrush x:Key="Gray500Brush" Color="{StaticResource Gray500}"/>
-    <SolidColorBrush x:Key="Gray600Brush" Color="{StaticResource Gray600}"/>
-    <SolidColorBrush x:Key="Gray900Brush" Color="{StaticResource Gray900}"/>
-    <SolidColorBrush x:Key="Gray950Brush" Color="{StaticResource Gray950}"/>
+    <SolidColorBrush x:Key="Gray100Brush" Color="{StaticResource Gray100}" />
+    <SolidColorBrush x:Key="Gray200Brush" Color="{StaticResource Gray200}" />
+    <SolidColorBrush x:Key="Gray300Brush" Color="{StaticResource Gray300}" />
+    <SolidColorBrush x:Key="Gray400Brush" Color="{StaticResource Gray400}" />
+    <SolidColorBrush x:Key="Gray500Brush" Color="{StaticResource Gray500}" />
+    <SolidColorBrush x:Key="Gray600Brush" Color="{StaticResource Gray600}" />
+    <SolidColorBrush x:Key="Gray900Brush" Color="{StaticResource Gray900}" />
+    <SolidColorBrush x:Key="Gray950Brush" Color="{StaticResource Gray950}" />
 </ResourceDictionary>

Jugenddienst Stunden/Resources/Styles/Styles.xaml

@@ -1,12 +1,14 @@
-<?xml version="1.0" encoding="UTF-8" ?>
+<?xml version="1.0" encoding="UTF-8"?>
 <?xaml-comp compile="true" ?>
+
 <ResourceDictionary
     xmlns="http://schemas.microsoft.com/dotnet/2021/maui"
     xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml">
 
     <Style TargetType="ToolbarItem">
         <Style.Triggers>
-            <Trigger TargetType="ToolbarItem" Property="VisualElement.BackgroundColor" Value="{AppThemeBinding Light={StaticResource Black}, Dark={StaticResource White}}">
+            <Trigger TargetType="ToolbarItem" Property="VisualElement.BackgroundColor"
+                     Value="{AppThemeBinding Light={StaticResource Black}, Dark={StaticResource White}}">
             </Trigger>
         </Style.Triggers>
     </Style>
@@ -16,39 +18,48 @@
     </Style>
 
     <Style TargetType="IndicatorView">
-        <Setter Property="IndicatorColor" Value="{AppThemeBinding Light={StaticResource Gray200}, Dark={StaticResource Gray500}}"/>
-        <Setter Property="SelectedIndicatorColor" Value="{AppThemeBinding Light={StaticResource Gray950}, Dark={StaticResource Gray100}}"/>
+        <Setter Property="IndicatorColor"
+                Value="{AppThemeBinding Light={StaticResource Gray200}, Dark={StaticResource Gray500}}" />
+        <Setter Property="SelectedIndicatorColor"
+                Value="{AppThemeBinding Light={StaticResource Gray950}, Dark={StaticResource Gray100}}" />
     </Style>
 
     <Style TargetType="Border">
-        <Setter Property="Stroke" Value="{AppThemeBinding Light={StaticResource Gray200}, Dark={StaticResource Gray500}}" />
-        <Setter Property="StrokeShape" Value="Rectangle"/>
-        <Setter Property="StrokeThickness" Value="1"/>
+        <Setter Property="Stroke"
+                Value="{AppThemeBinding Light={StaticResource Gray200}, Dark={StaticResource Gray500}}" />
+        <Setter Property="StrokeShape" Value="Rectangle" />
+        <Setter Property="StrokeThickness" Value="1" />
     </Style>
 
     <Style TargetType="BoxView">
-        <Setter Property="BackgroundColor" Value="{AppThemeBinding Light={StaticResource Gray950}, Dark={StaticResource Gray200}}" />
-        <Setter Property="Color" Value="{AppThemeBinding Light={StaticResource Primary}, Dark={StaticResource PrimaryDark}}" />
+        <Setter Property="BackgroundColor"
+                Value="{AppThemeBinding Light={StaticResource Gray950}, Dark={StaticResource Gray200}}" />
+        <Setter Property="Color"
+                Value="{AppThemeBinding Light={StaticResource Primary}, Dark={StaticResource PrimaryDark}}" />
     </Style>
 
     <Style TargetType="Button">
-        <Setter Property="TextColor" Value="{AppThemeBinding Light={StaticResource White}, Dark={StaticResource PrimaryDarkText}}" />
-        <Setter Property="BackgroundColor" Value="{AppThemeBinding Light={StaticResource Primary}, Dark={StaticResource PrimaryDark}}" />
-        <Setter Property="FontFamily" Value="OpenSansRegular"/>
-        <Setter Property="FontSize" Value="14"/>
-        <Setter Property="BorderWidth" Value="0"/>
-        <Setter Property="CornerRadius" Value="8"/>
-        <Setter Property="Padding" Value="14,10"/>
-        <Setter Property="MinimumHeightRequest" Value="44"/>
-        <Setter Property="MinimumWidthRequest" Value="44"/>
+        <Setter Property="TextColor"
+                Value="{AppThemeBinding Light={StaticResource White}, Dark={StaticResource PrimaryDarkText}}" />
+        <Setter Property="BackgroundColor"
+                Value="{AppThemeBinding Light={StaticResource Primary}, Dark={StaticResource PrimaryDark}}" />
+        <Setter Property="FontFamily" Value="OpenSansRegular" />
+        <Setter Property="FontSize" Value="14" />
+        <Setter Property="BorderWidth" Value="0" />
+        <Setter Property="CornerRadius" Value="8" />
+        <Setter Property="Padding" Value="14,10" />
+        <Setter Property="MinimumHeightRequest" Value="44" />
+        <Setter Property="MinimumWidthRequest" Value="44" />
         <Setter Property="VisualStateManager.VisualStateGroups">
             <VisualStateGroupList>
                 <VisualStateGroup x:Name="CommonStates">
                     <VisualState x:Name="Normal" />
                     <VisualState x:Name="Disabled">
                         <VisualState.Setters>
-                            <Setter Property="TextColor" Value="{AppThemeBinding Light={StaticResource Gray950}, Dark={StaticResource Gray200}}" />
-                            <Setter Property="BackgroundColor" Value="{AppThemeBinding Light={StaticResource Gray200}, Dark={StaticResource Gray600}}" />
+                            <Setter Property="TextColor"
+                                    Value="{AppThemeBinding Light={StaticResource Gray950}, Dark={StaticResource Gray200}}" />
+                            <Setter Property="BackgroundColor"
+                                    Value="{AppThemeBinding Light={StaticResource Gray200}, Dark={StaticResource Gray600}}" />
                         </VisualState.Setters>
                     </VisualState>
                     <VisualState x:Name="PointerOver" />
@@ -59,15 +70,16 @@
 
     <Style TargetType="CheckBox">
         <Setter Property="Color" Value="{AppThemeBinding Light={StaticResource Primary}, Dark={StaticResource White}}" />
-        <Setter Property="MinimumHeightRequest" Value="44"/>
-        <Setter Property="MinimumWidthRequest" Value="44"/>
+        <Setter Property="MinimumHeightRequest" Value="44" />
+        <Setter Property="MinimumWidthRequest" Value="44" />
         <Setter Property="VisualStateManager.VisualStateGroups">
             <VisualStateGroupList>
                 <VisualStateGroup x:Name="CommonStates">
                     <VisualState x:Name="Normal" />
                     <VisualState x:Name="Disabled">
                         <VisualState.Setters>
-                            <Setter Property="Color" Value="{AppThemeBinding Light={StaticResource Gray300}, Dark={StaticResource Gray600}}" />
+                            <Setter Property="Color"
+                                    Value="{AppThemeBinding Light={StaticResource Gray300}, Dark={StaticResource Gray600}}" />
                         </VisualState.Setters>
                     </VisualState>
                 </VisualStateGroup>
@@ -76,19 +88,21 @@
     </Style>
 
     <Style TargetType="DatePicker">
-        <Setter Property="TextColor" Value="{AppThemeBinding Light={StaticResource Gray900}, Dark={StaticResource White}}" />
+        <Setter Property="TextColor"
+                Value="{AppThemeBinding Light={StaticResource Gray900}, Dark={StaticResource White}}" />
         <Setter Property="BackgroundColor" Value="Transparent" />
-        <Setter Property="FontFamily" Value="OpenSansRegular"/>
-        <Setter Property="FontSize" Value="14"/>
-        <Setter Property="MinimumHeightRequest" Value="44"/>
-        <Setter Property="MinimumWidthRequest" Value="44"/>
+        <Setter Property="FontFamily" Value="OpenSansRegular" />
+        <Setter Property="FontSize" Value="14" />
+        <Setter Property="MinimumHeightRequest" Value="44" />
+        <Setter Property="MinimumWidthRequest" Value="44" />
         <Setter Property="VisualStateManager.VisualStateGroups">
             <VisualStateGroupList>
                 <VisualStateGroup x:Name="CommonStates">
                     <VisualState x:Name="Normal" />
                     <VisualState x:Name="Disabled">
                         <VisualState.Setters>
-                            <Setter Property="TextColor" Value="{AppThemeBinding Light={StaticResource Gray200}, Dark={StaticResource Gray500}}" />
+                            <Setter Property="TextColor"
+                                    Value="{AppThemeBinding Light={StaticResource Gray200}, Dark={StaticResource Gray500}}" />
                         </VisualState.Setters>
                     </VisualState>
                 </VisualStateGroup>
@@ -97,20 +111,23 @@
     </Style>
 
     <Style TargetType="Editor">
-        <Setter Property="TextColor" Value="{AppThemeBinding Light={StaticResource Black}, Dark={StaticResource White}}" />
+        <Setter Property="TextColor"
+                Value="{AppThemeBinding Light={StaticResource Black}, Dark={StaticResource White}}" />
         <Setter Property="BackgroundColor" Value="Transparent" />
-        <Setter Property="FontFamily" Value="OpenSansRegular"/>
+        <Setter Property="FontFamily" Value="OpenSansRegular" />
         <Setter Property="FontSize" Value="14" />
-        <Setter Property="PlaceholderColor" Value="{AppThemeBinding Light={StaticResource Gray200}, Dark={StaticResource Gray500}}" />
-        <Setter Property="MinimumHeightRequest" Value="44"/>
-        <Setter Property="MinimumWidthRequest" Value="44"/>
+        <Setter Property="PlaceholderColor"
+                Value="{AppThemeBinding Light={StaticResource Gray200}, Dark={StaticResource Gray500}}" />
+        <Setter Property="MinimumHeightRequest" Value="44" />
+        <Setter Property="MinimumWidthRequest" Value="44" />
         <Setter Property="VisualStateManager.VisualStateGroups">
             <VisualStateGroupList>
                 <VisualStateGroup x:Name="CommonStates">
                     <VisualState x:Name="Normal" />
                     <VisualState x:Name="Disabled">
                         <VisualState.Setters>
-                            <Setter Property="TextColor" Value="{AppThemeBinding Light={StaticResource Gray300}, Dark={StaticResource Gray600}}" />
+                            <Setter Property="TextColor"
+                                    Value="{AppThemeBinding Light={StaticResource Gray300}, Dark={StaticResource Gray600}}" />
                         </VisualState.Setters>
                     </VisualState>
                 </VisualStateGroup>
@@ -119,20 +136,23 @@
     </Style>
 
     <Style TargetType="Entry">
-        <Setter Property="TextColor" Value="{AppThemeBinding Light={StaticResource Black}, Dark={StaticResource White}}" />
+        <Setter Property="TextColor"
+                Value="{AppThemeBinding Light={StaticResource Black}, Dark={StaticResource White}}" />
         <Setter Property="BackgroundColor" Value="Transparent" />
-        <Setter Property="FontFamily" Value="OpenSansRegular"/>
+        <Setter Property="FontFamily" Value="OpenSansRegular" />
         <Setter Property="FontSize" Value="14" />
-        <Setter Property="PlaceholderColor" Value="{AppThemeBinding Light={StaticResource Gray200}, Dark={StaticResource Gray500}}" />
-        <Setter Property="MinimumHeightRequest" Value="44"/>
-        <Setter Property="MinimumWidthRequest" Value="44"/>
+        <Setter Property="PlaceholderColor"
+                Value="{AppThemeBinding Light={StaticResource Gray200}, Dark={StaticResource Gray500}}" />
+        <Setter Property="MinimumHeightRequest" Value="44" />
+        <Setter Property="MinimumWidthRequest" Value="44" />
         <Setter Property="VisualStateManager.VisualStateGroups">
             <VisualStateGroupList>
                 <VisualStateGroup x:Name="CommonStates">
                     <VisualState x:Name="Normal" />
                     <VisualState x:Name="Disabled">
                         <VisualState.Setters>
-                            <Setter Property="TextColor" Value="{AppThemeBinding Light={StaticResource Gray300}, Dark={StaticResource Gray600}}" />
+                            <Setter Property="TextColor"
+                                    Value="{AppThemeBinding Light={StaticResource Gray300}, Dark={StaticResource Gray600}}" />
                         </VisualState.Setters>
                     </VisualState>
                 </VisualStateGroup>
@@ -142,18 +162,20 @@
 
     <Style TargetType="Frame">
         <Setter Property="HasShadow" Value="False" />
-        <Setter Property="BorderColor" Value="{AppThemeBinding Light={StaticResource Gray200}, Dark={StaticResource Gray950}}" />
+        <Setter Property="BorderColor"
+                Value="{AppThemeBinding Light={StaticResource Gray200}, Dark={StaticResource Gray950}}" />
         <Setter Property="CornerRadius" Value="8" />
-        <Setter Property="BackgroundColor" Value="{AppThemeBinding Light={StaticResource White}, Dark={StaticResource Black}}" />
+        <Setter Property="BackgroundColor"
+                Value="{AppThemeBinding Light={StaticResource White}, Dark={StaticResource Black}}" />
     </Style>
 
     <Style TargetType="ImageButton">
         <Setter Property="Opacity" Value="1" />
-        <Setter Property="BorderColor" Value="Transparent"/>
-        <Setter Property="BorderWidth" Value="0"/>
-        <Setter Property="CornerRadius" Value="0"/>
-        <Setter Property="MinimumHeightRequest" Value="44"/>
-        <Setter Property="MinimumWidthRequest" Value="44"/>
+        <Setter Property="BorderColor" Value="Transparent" />
+        <Setter Property="BorderWidth" Value="0" />
+        <Setter Property="CornerRadius" Value="0" />
+        <Setter Property="MinimumHeightRequest" Value="44" />
+        <Setter Property="MinimumWidthRequest" Value="44" />
         <Setter Property="VisualStateManager.VisualStateGroups">
             <VisualStateGroupList>
                 <VisualStateGroup x:Name="CommonStates">
@@ -170,7 +192,8 @@
     </Style>
 
     <Style TargetType="Label">
-        <Setter Property="TextColor" Value="{AppThemeBinding Light={StaticResource Black}, Dark={StaticResource White}}" />
+        <Setter Property="TextColor"
+                Value="{AppThemeBinding Light={StaticResource Black}, Dark={StaticResource White}}" />
         <Setter Property="BackgroundColor" Value="Transparent" />
         <Setter Property="FontFamily" Value="OpenSansRegular" />
         <Setter Property="FontSize" Value="14" />
@@ -180,7 +203,8 @@
                     <VisualState x:Name="Normal" />
                     <VisualState x:Name="Disabled">
                         <VisualState.Setters>
-                            <Setter Property="TextColor" Value="{AppThemeBinding Light={StaticResource Gray300}, Dark={StaticResource Gray600}}" />
+                            <Setter Property="TextColor"
+                                    Value="{AppThemeBinding Light={StaticResource Gray300}, Dark={StaticResource Gray600}}" />
                         </VisualState.Setters>
                     </VisualState>
                 </VisualStateGroup>
@@ -189,44 +213,53 @@
     </Style>
 
     <Style TargetType="Span">
-        <Setter Property="TextColor" Value="{AppThemeBinding Light={StaticResource Black}, Dark={StaticResource White}}" />
+        <Setter Property="TextColor"
+                Value="{AppThemeBinding Light={StaticResource Black}, Dark={StaticResource White}}" />
     </Style>
 
     <Style TargetType="Label" x:Key="Headline">
-        <Setter Property="TextColor" Value="{AppThemeBinding Light={StaticResource MidnightBlue}, Dark={StaticResource White}}" />
+        <Setter Property="TextColor"
+                Value="{AppThemeBinding Light={StaticResource MidnightBlue}, Dark={StaticResource White}}" />
         <Setter Property="FontSize" Value="32" />
         <Setter Property="HorizontalOptions" Value="Center" />
         <Setter Property="HorizontalTextAlignment" Value="Center" />
     </Style>
 
     <Style TargetType="Label" x:Key="SubHeadline">
-        <Setter Property="TextColor" Value="{AppThemeBinding Light={StaticResource MidnightBlue}, Dark={StaticResource White}}" />
+        <Setter Property="TextColor"
+                Value="{AppThemeBinding Light={StaticResource MidnightBlue}, Dark={StaticResource White}}" />
         <Setter Property="FontSize" Value="24" />
         <Setter Property="HorizontalOptions" Value="Center" />
         <Setter Property="HorizontalTextAlignment" Value="Center" />
     </Style>
 
     <Style TargetType="ListView">
-        <Setter Property="SeparatorColor" Value="{AppThemeBinding Light={StaticResource Gray200}, Dark={StaticResource Gray500}}" />
-        <Setter Property="RefreshControlColor" Value="{AppThemeBinding Light={StaticResource Gray900}, Dark={StaticResource Gray200}}" />
+        <Setter Property="SeparatorColor"
+                Value="{AppThemeBinding Light={StaticResource Gray200}, Dark={StaticResource Gray500}}" />
+        <Setter Property="RefreshControlColor"
+                Value="{AppThemeBinding Light={StaticResource Gray900}, Dark={StaticResource Gray200}}" />
     </Style>
 
     <Style TargetType="Picker">
-        <Setter Property="TextColor" Value="{AppThemeBinding Light={StaticResource Gray900}, Dark={StaticResource White}}" />
-        <Setter Property="TitleColor" Value="{AppThemeBinding Light={StaticResource Gray900}, Dark={StaticResource Gray200}}" />
+        <Setter Property="TextColor"
+                Value="{AppThemeBinding Light={StaticResource Gray900}, Dark={StaticResource White}}" />
+        <Setter Property="TitleColor"
+                Value="{AppThemeBinding Light={StaticResource Gray900}, Dark={StaticResource Gray200}}" />
         <Setter Property="BackgroundColor" Value="Transparent" />
-        <Setter Property="FontFamily" Value="OpenSansRegular"/>
-        <Setter Property="FontSize" Value="14"/>
-        <Setter Property="MinimumHeightRequest" Value="44"/>
-        <Setter Property="MinimumWidthRequest" Value="44"/>
+        <Setter Property="FontFamily" Value="OpenSansRegular" />
+        <Setter Property="FontSize" Value="14" />
+        <Setter Property="MinimumHeightRequest" Value="44" />
+        <Setter Property="MinimumWidthRequest" Value="44" />
         <Setter Property="VisualStateManager.VisualStateGroups">
             <VisualStateGroupList>
                 <VisualStateGroup x:Name="CommonStates">
                     <VisualState x:Name="Normal" />
                     <VisualState x:Name="Disabled">
                         <VisualState.Setters>
-                            <Setter Property="TextColor" Value="{AppThemeBinding Light={StaticResource Gray300}, Dark={StaticResource Gray600}}" />
-                            <Setter Property="TitleColor" Value="{AppThemeBinding Light={StaticResource Gray300}, Dark={StaticResource Gray600}}" />
+                            <Setter Property="TextColor"
+                                    Value="{AppThemeBinding Light={StaticResource Gray300}, Dark={StaticResource Gray600}}" />
+                            <Setter Property="TitleColor"
+                                    Value="{AppThemeBinding Light={StaticResource Gray300}, Dark={StaticResource Gray600}}" />
                         </VisualState.Setters>
                     </VisualState>
                 </VisualStateGroup>
@@ -235,14 +268,16 @@
     </Style>
 
     <Style TargetType="ProgressBar">
-        <Setter Property="ProgressColor" Value="{AppThemeBinding Light={StaticResource Primary}, Dark={StaticResource White}}" />
+        <Setter Property="ProgressColor"
+                Value="{AppThemeBinding Light={StaticResource Primary}, Dark={StaticResource White}}" />
         <Setter Property="VisualStateManager.VisualStateGroups">
             <VisualStateGroupList>
                 <VisualStateGroup x:Name="CommonStates">
                     <VisualState x:Name="Normal" />
                     <VisualState x:Name="Disabled">
                         <VisualState.Setters>
-                            <Setter Property="ProgressColor" Value="{AppThemeBinding Light={StaticResource Gray300}, Dark={StaticResource Gray600}}" />
+                            <Setter Property="ProgressColor"
+                                    Value="{AppThemeBinding Light={StaticResource Gray300}, Dark={StaticResource Gray600}}" />
                         </VisualState.Setters>
                     </VisualState>
                 </VisualStateGroup>
@@ -251,19 +286,21 @@
     </Style>
 
     <Style TargetType="RadioButton">
-        <Setter Property="BackgroundColor" Value="Transparent"/>
-        <Setter Property="TextColor" Value="{AppThemeBinding Light={StaticResource Black}, Dark={StaticResource White}}" />
-        <Setter Property="FontFamily" Value="OpenSansRegular"/>
-        <Setter Property="FontSize" Value="14"/>
-        <Setter Property="MinimumHeightRequest" Value="44"/>
-        <Setter Property="MinimumWidthRequest" Value="44"/>
+        <Setter Property="BackgroundColor" Value="Transparent" />
+        <Setter Property="TextColor"
+                Value="{AppThemeBinding Light={StaticResource Black}, Dark={StaticResource White}}" />
+        <Setter Property="FontFamily" Value="OpenSansRegular" />
+        <Setter Property="FontSize" Value="14" />
+        <Setter Property="MinimumHeightRequest" Value="44" />
+        <Setter Property="MinimumWidthRequest" Value="44" />
         <Setter Property="VisualStateManager.VisualStateGroups">
             <VisualStateGroupList>
                 <VisualStateGroup x:Name="CommonStates">
                     <VisualState x:Name="Normal" />
                     <VisualState x:Name="Disabled">
                         <VisualState.Setters>
-                            <Setter Property="TextColor" Value="{AppThemeBinding Light={StaticResource Gray300}, Dark={StaticResource Gray600}}" />
+                            <Setter Property="TextColor"
+                                    Value="{AppThemeBinding Light={StaticResource Gray300}, Dark={StaticResource Gray600}}" />
                         </VisualState.Setters>
                     </VisualState>
                 </VisualStateGroup>
@@ -272,26 +309,30 @@
     </Style>
 
     <Style TargetType="RefreshView">
-        <Setter Property="RefreshColor" Value="{AppThemeBinding Light={StaticResource Gray900}, Dark={StaticResource Gray200}}" />
+        <Setter Property="RefreshColor"
+                Value="{AppThemeBinding Light={StaticResource Gray900}, Dark={StaticResource Gray200}}" />
     </Style>
 
     <Style TargetType="SearchBar">
-        <Setter Property="TextColor" Value="{AppThemeBinding Light={StaticResource Gray900}, Dark={StaticResource White}}" />
+        <Setter Property="TextColor"
+                Value="{AppThemeBinding Light={StaticResource Gray900}, Dark={StaticResource White}}" />
         <Setter Property="PlaceholderColor" Value="{StaticResource Gray500}" />
         <Setter Property="CancelButtonColor" Value="{StaticResource Gray500}" />
         <Setter Property="BackgroundColor" Value="Transparent" />
         <Setter Property="FontFamily" Value="OpenSansRegular" />
         <Setter Property="FontSize" Value="14" />
-        <Setter Property="MinimumHeightRequest" Value="44"/>
-        <Setter Property="MinimumWidthRequest" Value="44"/>
+        <Setter Property="MinimumHeightRequest" Value="44" />
+        <Setter Property="MinimumWidthRequest" Value="44" />
         <Setter Property="VisualStateManager.VisualStateGroups">
             <VisualStateGroupList>
                 <VisualStateGroup x:Name="CommonStates">
                     <VisualState x:Name="Normal" />
                     <VisualState x:Name="Disabled">
                         <VisualState.Setters>
-                            <Setter Property="TextColor" Value="{AppThemeBinding Light={StaticResource Gray300}, Dark={StaticResource Gray600}}" />
-                            <Setter Property="PlaceholderColor" Value="{AppThemeBinding Light={StaticResource Gray300}, Dark={StaticResource Gray600}}" />
+                            <Setter Property="TextColor"
+                                    Value="{AppThemeBinding Light={StaticResource Gray300}, Dark={StaticResource Gray600}}" />
+                            <Setter Property="PlaceholderColor"
+                                    Value="{AppThemeBinding Light={StaticResource Gray300}, Dark={StaticResource Gray600}}" />
                         </VisualState.Setters>
                     </VisualState>
                 </VisualStateGroup>
@@ -300,7 +341,8 @@
     </Style>
 
     <Style TargetType="SearchHandler">
-        <Setter Property="TextColor" Value="{AppThemeBinding Light={StaticResource Gray900}, Dark={StaticResource White}}" />
+        <Setter Property="TextColor"
+                Value="{AppThemeBinding Light={StaticResource Gray900}, Dark={StaticResource White}}" />
         <Setter Property="PlaceholderColor" Value="{StaticResource Gray500}" />
         <Setter Property="BackgroundColor" Value="Transparent" />
         <Setter Property="FontFamily" Value="OpenSansRegular" />
@@ -311,8 +353,10 @@
                     <VisualState x:Name="Normal" />
                     <VisualState x:Name="Disabled">
                         <VisualState.Setters>
-                            <Setter Property="TextColor" Value="{AppThemeBinding Light={StaticResource Gray300}, Dark={StaticResource Gray600}}" />
-                            <Setter Property="PlaceholderColor" Value="{AppThemeBinding Light={StaticResource Gray300}, Dark={StaticResource Gray600}}" />
+                            <Setter Property="TextColor"
+                                    Value="{AppThemeBinding Light={StaticResource Gray300}, Dark={StaticResource Gray600}}" />
+                            <Setter Property="PlaceholderColor"
+                                    Value="{AppThemeBinding Light={StaticResource Gray300}, Dark={StaticResource Gray600}}" />
                         </VisualState.Setters>
                     </VisualState>
                 </VisualStateGroup>
@@ -328,18 +372,24 @@
     </Style>
 
     <Style TargetType="Slider">
-        <Setter Property="MinimumTrackColor" Value="{AppThemeBinding Light={StaticResource Primary}, Dark={StaticResource White}}" />
-        <Setter Property="MaximumTrackColor" Value="{AppThemeBinding Light={StaticResource Gray200}, Dark={StaticResource Gray600}}" />
-        <Setter Property="ThumbColor" Value="{AppThemeBinding Light={StaticResource Primary}, Dark={StaticResource White}}" />
+        <Setter Property="MinimumTrackColor"
+                Value="{AppThemeBinding Light={StaticResource Primary}, Dark={StaticResource White}}" />
+        <Setter Property="MaximumTrackColor"
+                Value="{AppThemeBinding Light={StaticResource Gray200}, Dark={StaticResource Gray600}}" />
+        <Setter Property="ThumbColor"
+                Value="{AppThemeBinding Light={StaticResource Primary}, Dark={StaticResource White}}" />
         <Setter Property="VisualStateManager.VisualStateGroups">
             <VisualStateGroupList>
                 <VisualStateGroup x:Name="CommonStates">
                     <VisualState x:Name="Normal" />
                     <VisualState x:Name="Disabled">
                         <VisualState.Setters>
-                            <Setter Property="MinimumTrackColor" Value="{AppThemeBinding Light={StaticResource Gray300}, Dark={StaticResource Gray600}}"/>
-                            <Setter Property="MaximumTrackColor" Value="{AppThemeBinding Light={StaticResource Gray300}, Dark={StaticResource Gray600}}"/>
-                            <Setter Property="ThumbColor" Value="{AppThemeBinding Light={StaticResource Gray300}, Dark={StaticResource Gray600}}"/>
+                            <Setter Property="MinimumTrackColor"
+                                    Value="{AppThemeBinding Light={StaticResource Gray300}, Dark={StaticResource Gray600}}" />
+                            <Setter Property="MaximumTrackColor"
+                                    Value="{AppThemeBinding Light={StaticResource Gray300}, Dark={StaticResource Gray600}}" />
+                            <Setter Property="ThumbColor"
+                                    Value="{AppThemeBinding Light={StaticResource Gray300}, Dark={StaticResource Gray600}}" />
                         </VisualState.Setters>
                     </VisualState>
                 </VisualStateGroup>
@@ -348,11 +398,13 @@
     </Style>
 
     <Style TargetType="SwipeItem">
-        <Setter Property="BackgroundColor" Value="{AppThemeBinding Light={StaticResource White}, Dark={StaticResource Black}}" />
+        <Setter Property="BackgroundColor"
+                Value="{AppThemeBinding Light={StaticResource White}, Dark={StaticResource Black}}" />
     </Style>
 
     <Style TargetType="Switch">
-        <Setter Property="OnColor" Value="{AppThemeBinding Light={StaticResource Primary}, Dark={StaticResource White}}" />
+        <Setter Property="OnColor"
+                Value="{AppThemeBinding Light={StaticResource Primary}, Dark={StaticResource White}}" />
         <Setter Property="ThumbColor" Value="{StaticResource White}" />
         <Setter Property="VisualStateManager.VisualStateGroups">
             <VisualStateGroupList>
@@ -360,19 +412,24 @@
                     <VisualState x:Name="Normal" />
                     <VisualState x:Name="Disabled">
                         <VisualState.Setters>
-                            <Setter Property="OnColor" Value="{AppThemeBinding Light={StaticResource Gray300}, Dark={StaticResource Gray600}}" />
-                            <Setter Property="ThumbColor" Value="{AppThemeBinding Light={StaticResource Gray300}, Dark={StaticResource Gray600}}" />
+                            <Setter Property="OnColor"
+                                    Value="{AppThemeBinding Light={StaticResource Gray300}, Dark={StaticResource Gray600}}" />
+                            <Setter Property="ThumbColor"
+                                    Value="{AppThemeBinding Light={StaticResource Gray300}, Dark={StaticResource Gray600}}" />
                         </VisualState.Setters>
                     </VisualState>
                     <VisualState x:Name="On">
                         <VisualState.Setters>
-                            <Setter Property="OnColor" Value="{AppThemeBinding Light={StaticResource Secondary}, Dark={StaticResource Gray200}}" />
-                            <Setter Property="ThumbColor" Value="{AppThemeBinding Light={StaticResource Primary}, Dark={StaticResource White}}" />
+                            <Setter Property="OnColor"
+                                    Value="{AppThemeBinding Light={StaticResource Secondary}, Dark={StaticResource Gray200}}" />
+                            <Setter Property="ThumbColor"
+                                    Value="{AppThemeBinding Light={StaticResource Primary}, Dark={StaticResource White}}" />
                         </VisualState.Setters>
                     </VisualState>
                     <VisualState x:Name="Off">
                         <VisualState.Setters>
-                            <Setter Property="ThumbColor" Value="{AppThemeBinding Light={StaticResource Gray400}, Dark={StaticResource Gray500}}" />
+                            <Setter Property="ThumbColor"
+                                    Value="{AppThemeBinding Light={StaticResource Gray400}, Dark={StaticResource Gray500}}" />
                         </VisualState.Setters>
                     </VisualState>
                 </VisualStateGroup>
@@ -381,19 +438,21 @@
     </Style>
 
     <Style TargetType="TimePicker">
-        <Setter Property="TextColor" Value="{AppThemeBinding Light={StaticResource Gray900}, Dark={StaticResource White}}" />
-        <Setter Property="BackgroundColor" Value="Transparent"/>
-        <Setter Property="FontFamily" Value="OpenSansRegular"/>
-        <Setter Property="FontSize" Value="14"/>
-        <Setter Property="MinimumHeightRequest" Value="44"/>
-        <Setter Property="MinimumWidthRequest" Value="44"/>
+        <Setter Property="TextColor"
+                Value="{AppThemeBinding Light={StaticResource Gray900}, Dark={StaticResource White}}" />
+        <Setter Property="BackgroundColor" Value="Transparent" />
+        <Setter Property="FontFamily" Value="OpenSansRegular" />
+        <Setter Property="FontSize" Value="14" />
+        <Setter Property="MinimumHeightRequest" Value="44" />
+        <Setter Property="MinimumWidthRequest" Value="44" />
         <Setter Property="VisualStateManager.VisualStateGroups">
             <VisualStateGroupList>
                 <VisualStateGroup x:Name="CommonStates">
                     <VisualState x:Name="Normal" />
                     <VisualState x:Name="Disabled">
                         <VisualState.Setters>
-                            <Setter Property="TextColor" Value="{AppThemeBinding Light={StaticResource Gray300}, Dark={StaticResource Gray600}}" />
+                            <Setter Property="TextColor"
+                                    Value="{AppThemeBinding Light={StaticResource Gray300}, Dark={StaticResource Gray600}}" />
                         </VisualState.Setters>
                     </VisualState>
                 </VisualStateGroup>
@@ -402,34 +461,51 @@
     </Style>
 
     <Style TargetType="Page" ApplyToDerivedTypes="True">
-        <Setter Property="Padding" Value="0"/>
-        <Setter Property="BackgroundColor" Value="{AppThemeBinding Light={StaticResource White}, Dark={StaticResource OffBlack}}" />
+        <Setter Property="Padding" Value="0" />
+        <Setter Property="BackgroundColor"
+                Value="{AppThemeBinding Light={StaticResource White}, Dark={StaticResource OffBlack}}" />
     </Style>
 
     <Style TargetType="Shell" ApplyToDerivedTypes="True">
-        <Setter Property="Shell.BackgroundColor" Value="{AppThemeBinding Light={StaticResource White}, Dark={StaticResource OffBlack}}" />
-        <Setter Property="Shell.ForegroundColor" Value="{AppThemeBinding Light={StaticResource Black}, Dark={StaticResource SecondaryDarkText}}" />
-        <Setter Property="Shell.TitleColor" Value="{AppThemeBinding Light={StaticResource Black}, Dark={StaticResource SecondaryDarkText}}" />
-        <Setter Property="Shell.DisabledColor" Value="{AppThemeBinding Light={StaticResource Gray200}, Dark={StaticResource Gray950}}" />
-        <Setter Property="Shell.UnselectedColor" Value="{AppThemeBinding Light={StaticResource Gray200}, Dark={StaticResource Gray200}}" />
+        <Setter Property="Shell.BackgroundColor"
+                Value="{AppThemeBinding Light={StaticResource White}, Dark={StaticResource OffBlack}}" />
+        <Setter Property="Shell.ForegroundColor"
+                Value="{AppThemeBinding Light={StaticResource Black}, Dark={StaticResource SecondaryDarkText}}" />
+        <Setter Property="Shell.TitleColor"
+                Value="{AppThemeBinding Light={StaticResource Black}, Dark={StaticResource SecondaryDarkText}}" />
+        <Setter Property="Shell.DisabledColor"
+                Value="{AppThemeBinding Light={StaticResource Gray200}, Dark={StaticResource Gray950}}" />
+        <Setter Property="Shell.UnselectedColor"
+                Value="{AppThemeBinding Light={StaticResource Gray200}, Dark={StaticResource Gray200}}" />
         <Setter Property="Shell.NavBarHasShadow" Value="False" />
-        <Setter Property="Shell.TabBarBackgroundColor" Value="{AppThemeBinding Light={StaticResource White}, Dark={StaticResource Black}}" />
-        <Setter Property="Shell.TabBarForegroundColor" Value="{AppThemeBinding Light={StaticResource Magenta}, Dark={StaticResource White}}" />
-        <Setter Property="Shell.TabBarTitleColor" Value="{AppThemeBinding Light={StaticResource Magenta}, Dark={StaticResource White}}" />
-        <Setter Property="Shell.TabBarUnselectedColor" Value="{AppThemeBinding Light={StaticResource Gray900}, Dark={StaticResource Gray200}}" />
+        <Setter Property="Shell.TabBarBackgroundColor"
+                Value="{AppThemeBinding Light={StaticResource White}, Dark={StaticResource Black}}" />
+        <Setter Property="Shell.TabBarForegroundColor"
+                Value="{AppThemeBinding Light={StaticResource Magenta}, Dark={StaticResource White}}" />
+        <Setter Property="Shell.TabBarTitleColor"
+                Value="{AppThemeBinding Light={StaticResource Magenta}, Dark={StaticResource White}}" />
+        <Setter Property="Shell.TabBarUnselectedColor"
+                Value="{AppThemeBinding Light={StaticResource Gray900}, Dark={StaticResource Gray200}}" />
     </Style>
 
     <Style TargetType="NavigationPage">
-        <Setter Property="BarBackgroundColor" Value="{AppThemeBinding Light={StaticResource White}, Dark={StaticResource OffBlack}}" />
-        <Setter Property="BarTextColor" Value="{AppThemeBinding Light={StaticResource Gray200}, Dark={StaticResource White}}" />
-        <Setter Property="IconColor" Value="{AppThemeBinding Light={StaticResource Gray200}, Dark={StaticResource White}}" />
+        <Setter Property="BarBackgroundColor"
+                Value="{AppThemeBinding Light={StaticResource White}, Dark={StaticResource OffBlack}}" />
+        <Setter Property="BarTextColor"
+                Value="{AppThemeBinding Light={StaticResource Gray200}, Dark={StaticResource White}}" />
+        <Setter Property="IconColor"
+                Value="{AppThemeBinding Light={StaticResource Gray200}, Dark={StaticResource White}}" />
     </Style>
 
     <Style TargetType="TabbedPage">
-        <Setter Property="BarBackgroundColor" Value="{AppThemeBinding Light={StaticResource White}, Dark={StaticResource Gray950}}" />
-        <Setter Property="BarTextColor" Value="{AppThemeBinding Light={StaticResource Magenta}, Dark={StaticResource White}}" />
-        <Setter Property="UnselectedTabColor" Value="{AppThemeBinding Light={StaticResource Gray200}, Dark={StaticResource Gray950}}" />
-        <Setter Property="SelectedTabColor" Value="{AppThemeBinding Light={StaticResource Gray950}, Dark={StaticResource Gray200}}" />
+        <Setter Property="BarBackgroundColor"
+                Value="{AppThemeBinding Light={StaticResource White}, Dark={StaticResource Gray950}}" />
+        <Setter Property="BarTextColor"
+                Value="{AppThemeBinding Light={StaticResource Magenta}, Dark={StaticResource White}}" />
+        <Setter Property="UnselectedTabColor"
+                Value="{AppThemeBinding Light={StaticResource Gray200}, Dark={StaticResource Gray950}}" />
+        <Setter Property="SelectedTabColor"
+                Value="{AppThemeBinding Light={StaticResource Gray950}, Dark={StaticResource Gray200}}" />
     </Style>
 
 </ResourceDictionary>

Jugenddienst Stunden/Services/HoursService.cs

@@ -1,38 +1,58 @@
 using Jugenddienst_Stunden.Interfaces;
 using Jugenddienst_Stunden.Types;
+using Jugenddienst_Stunden.Validators;
 
 namespace Jugenddienst_Stunden.Services;
 
 internal class HoursService : IHoursService {
-    private readonly IHoursRepository _repo;
+	private readonly IHoursRepository _repo;
+	private readonly IHoursValidator _validator;
 
-    public HoursService(IHoursRepository repo) {
-        _repo = repo;
-    }
+	public HoursService(IHoursRepository repo, IHoursValidator validator) {
+		_repo = repo;
+		_validator = validator;
+	}
 
-    public async Task<(Hours hours, Settings settings)> GetMonthSummaryAsync(DateTime monthDate) {
-        string q = $"hours&year={monthDate:yyyy}&month={monthDate:MM}";
+ public async Task<(Hours hours, Settings settings)> GetMonthSummaryAsync(DateTime monthDate) {
+        string q = $"hours=&year={monthDate:yyyy}&month={monthDate:MM}";
         var baseRes = await _repo.LoadBase(q);
-        return (baseRes.hour, baseRes.settings);
+
+        // Fallbacks, da einige Endpoints 'settings' nicht mitsenden bzw. 'hour' auslassen können
+        var settings = baseRes.settings ?? await _repo.LoadSettings();
+        var hours = baseRes.hour ?? new Hours {
+            daytime = new List<DayTime>(),
+            Nominal_day_api = new List<NominalDay>(),
+            Nominal_week_api = new List<NominalWeek>(),
+            zeit_total_daily_api = new List<TimeDay>(),
+            Projekte = new System.Collections.ObjectModel.Collection<Projekt>(),
+            Gemeinden = new System.Collections.ObjectModel.Collection<Gemeinde>(),
+            Freistellungen = new System.Collections.ObjectModel.Collection<Freistellung>()
+        };
+
+        return (hours, settings);
     }
 
-    public async Task<(List<DayTime> dayTimes, Settings settings)> GetDayWithSettingsAsync(DateTime date) {
-        string q = $"date={date:yyyy-MM-dd}";
-        var baseRes = await _repo.LoadBase(q);
-        return (baseRes.daytimes ?? new List<DayTime>(), baseRes.settings);
-    }
+	public async Task<(List<DayTime> dayTimes, Settings settings)> GetDayWithSettingsAsync(DateTime date) {
+		string q = $"date={date:yyyy-MM-dd}";
+		var baseRes = await _repo.LoadBase(q);
+		return (baseRes.daytimes ?? new List<DayTime>(), baseRes.settings);
+	}
 
-    public async Task<List<DayTime>> GetDayRangeAsync(DateTime from, DateTime to) {
-        string q = $"date={from:yyyy-MM-dd}&tilldate={to:yyyy-MM-dd}";
-        var baseRes = await _repo.LoadBase(q);
-        return baseRes.daytimes ?? new List<DayTime>();
-    }
+	public async Task<List<DayTime>> GetDayRangeAsync(DateTime from, DateTime to) {
+		string q = $"date={from:yyyy-MM-dd}&tilldate={to:yyyy-MM-dd}";
+		var baseRes = await _repo.LoadBase(q);
+		return baseRes.daytimes ?? new List<DayTime>();
+	}
 
-    public async Task<Settings> GetSettingsAsync() => await _repo.LoadSettings();
+	public async Task<Settings> GetSettingsAsync() => await _repo.LoadSettings();
 
-    public async Task<DayTime> GetEntryAsync(int id) => await _repo.LoadEntry(id);
+	public async Task<DayTime> GetEntryAsync(int id) => await _repo.LoadEntry(id);
 
-    public async Task<DayTime> SaveEntryAsync(DayTime stunde) => await _repo.SaveEntry(stunde);
+	public async Task<DayTime> SaveEntryAsync(DayTime stunde) {
+		var settings = await _repo.LoadSettings();
+		_validator.Validate(stunde, settings);
+		return await _repo.SaveEntry(stunde);
+	}
 
-    public async Task DeleteEntryAsync(DayTime stunde) => await _repo.DeleteEntry(stunde);
+	public async Task DeleteEntryAsync(DayTime stunde) => await _repo.DeleteEntry(stunde);
 }

Jugenddienst Stunden/Types/BaseResponse.cs

@@ -1,36 +1,37 @@
 using Jugenddienst_Stunden.Models;
 
 namespace Jugenddienst_Stunden.Types;
+
 internal class BaseResponse {
+	public Settings settings { get; set; }
 
-    public Settings settings { get; set; }
+	/// <summary>
+	/// Monatsübersicht
+	/// </summary>
+	public Hours hour { get; set; }
 
-    /// <summary>
-    /// Monatsübersicht
-    /// </summary>
-    public Hours hour { get; set; }
+	/// <summary>
+	/// Stundenliste ... für die Katz?
+	/// </summary>
+	public List<Hours> hours { get; set; }
 
-    /// <summary>
-    /// Stundenliste ... für die Katz?
-    /// </summary>
-    public List<Hours> hours { get; set; }
+	/// <summary>
+	/// Liste der Stundeneinträge
+	/// </summary>
+	public List<DayTime> daytimes { get; set; }
 
-    /// <summary>
-    /// Liste der Stundeneinträge
-    /// </summary>
-    public List<DayTime> daytimes { get; set; }
+	/// <summary>
+	/// Einzelner Stundeneintrag
+	/// </summary>
+	public DayTime daytime { get; set; }
 
-    /// <summary>
-    /// Einzelner Stundeneintrag
-    /// </summary>
-    public DayTime daytime { get; set; }
+	/// <summary>
+	/// Auch irgendwie doppelt ...
+	/// </summary>
+	public Operator operatorVar { get; set; }
 
-    /// <summary>
-    /// Auch irgendwie doppelt ...
-    /// </summary>
-    public Operator operatorVar { get; set; }
-    public User user { get; set; }
+	public User user { get; set; }
 
-    public int error { get; set; }
-    public string message { get; set; }
+	public int error { get; set; }
+	public string message { get; set; }
 }

Jugenddienst Stunden/Types/DayTime.cs

@@ -2,95 +2,95 @@
 using System.Collections.ObjectModel;
 
 namespace Jugenddienst_Stunden.Types;
+
 /// <summary>
 /// Represents a day time entry for an employee.
 /// </summary>
 public class DayTime {
-    /// <summary>
-    /// ID des Stundeneintrages
-    /// </summary>
-    public int? Id { get; set; }
+	/// <summary>
+	/// ID des Stundeneintrages
+	/// </summary>
+	public int? Id { get; set; }
 
-    /// <summary>
-    /// Mitarbeiter-ID
-    /// </summary>
-    public int EmployeeId { get; set; }
+	/// <summary>
+	/// Mitarbeiter-ID
+	/// </summary>
+	public int EmployeeId { get; set; }
 
-    /// <summary>
-    /// Der betreffende Tag
-    /// </summary>
-    public DateTime Day { get; set; }
+	/// <summary>
+	/// Der betreffende Tag
+	/// </summary>
+	public DateTime Day { get; set; }
 
-    /// <summary>
-    /// Der Wochentag
-    /// </summary>
-    public int Wday { get; set; }
+	/// <summary>
+	/// Der Wochentag
+	/// </summary>
+	public int Wday { get; set; }
 
-    /// <summary>
-    /// Arbeitsbeginn
-    /// </summary>
-    public TimeOnly Begin { get; set; }
+	/// <summary>
+	/// Arbeitsbeginn
+	/// </summary>
+	public TimeOnly Begin { get; set; }
 
-    /// <summary>
-    /// Arbeitsende
-    /// </summary>
-    public TimeOnly End { get; set; }
+	/// <summary>
+	/// Arbeitsende
+	/// </summary>
+	public TimeOnly End { get; set; }
 
-    /// <summary>
-    /// Beschreibung der Tätigkeit
-    /// </summary>
-    public string? Description { get; set; }
+	/// <summary>
+	/// Beschreibung der Tätigkeit
+	/// </summary>
+	public string? Description { get; set; }
 
-    /// <summary>
-    /// Freistellung
-    /// </summary>
-    public string? Free { get; set; }
+	/// <summary>
+	/// Freistellung
+	/// </summary>
+	public string? Free { get; set; }
 
-    /// <summary>
-    /// Freistellung genehmigt?
-    /// </summary>
-    public bool Approved { get; set; }
+	/// <summary>
+	/// Freistellung genehmigt?
+	/// </summary>
+	public bool Approved { get; set; }
 
 
-    /// <summary>
-    /// Das gewählte Projekt
-    /// </summary>
-    public int? Projekt { get; set; }
+	/// <summary>
+	/// Das gewählte Projekt
+	/// </summary>
+	public int? Projekt { get; set; }
 
-    /// <summary>
-    /// Die gewählte Gemeinde
-    /// </summary>
-    public int? Gemeinde { get; set; }
+	/// <summary>
+	/// Die gewählte Gemeinde
+	/// </summary>
+	public int? Gemeinde { get; set; }
 
-    /// <summary>
-    /// Nachtstunden
-    /// </summary>
-    public TimeOnly Night { get; set; }
+	/// <summary>
+	/// Nachtstunden
+	/// </summary>
+	public TimeOnly Night { get; set; }
 
-    /// <summary>
-    /// Summe Arbeitszeit (inklusive Nachstunden mit Faktor)
-    /// </summary>
-    public Dictionary<string, TimeOnly> Total { get; set; }
+	/// <summary>
+	/// Summe Arbeitszeit (inklusive Nachstunden mit Faktor)
+	/// </summary>
+	public Dictionary<string, TimeOnly> Total { get; set; }
 
-    public TimeOnly End_print { get; set; }
-    public TimeSpan TimeSpanVon { get; set; }
-    public TimeSpan TimeSpanBis { get; set; }
+	public TimeOnly End_print { get; set; }
+	public TimeSpan TimeSpanVon { get; set; }
+	public TimeSpan TimeSpanBis { get; set; }
 
-    /// <summary>
-    /// Gets the active Gemeinde based on the gemeinde ID.
-    /// </summary>
-    public Gemeinde? GemeindeAktiv { get; set; }
+	/// <summary>
+	/// Gets the active Gemeinde based on the gemeinde ID.
+	/// </summary>
+	public Gemeinde? GemeindeAktiv { get; set; }
 
-    /// <summary>
-    /// Gets the active Projekt based on the projekt ID.
-    /// </summary>
-    public Projekt? ProjektAktiv { get; set; }
+	/// <summary>
+	/// Gets the active Projekt based on the projekt ID.
+	/// </summary>
+	public Projekt? ProjektAktiv { get; set; }
 
-    /// <summary>
-    /// Gets the active Freistellung based on the Freistellung ID
-    /// </summary>
-    public Freistellung? FreistellungAktiv { get; set; }
-
-    public int TimeTable { get; set; }
+	/// <summary>
+	/// Gets the active Freistellung based on the Freistellung ID
+	/// </summary>
+	public Freistellung? FreistellungAktiv { get; set; }
 
+	public int TimeTable { get; set; }
 }

Jugenddienst Stunden/Types/Freistellung.cs

@@ -1,8 +1,9 @@
 namespace Jugenddienst_Stunden.Types;
+
 /// <summary>
 /// Freistellungen: Urlaub, Zeitausgleich, Krankheit, ...
 /// </summary>
 public class Freistellung {
-    public string? Id { get; set; }
+	public string? Id { get; set; }
 	public string? Name { get; set; }
 }

Jugenddienst Stunden/Types/Hours.cs

@@ -1,43 +1,45 @@
-
-using CommunityToolkit.Mvvm.ComponentModel;
+using CommunityToolkit.Mvvm.ComponentModel;
 using System.Collections.ObjectModel;
 
 namespace Jugenddienst_Stunden.Types;
 
-internal partial class Hours : ObservableObject {
+public partial class Hours : ObservableObject {
 	public double? Zeit;
+
 	public double? Nominal;
+
 	//public Dictionary<DateOnly,NominalDay> nominal_day_api;
 	public List<NominalDay>? Nominal_day_api;
+
 	//public Dictionary<int,NominalWeek> nominal_week_api;
 	public List<NominalWeek>? Nominal_week_api;
-    //public List<string> time_line;
-    public double? Zeit_total;
 
-    //https://stackoverflow.com/questions/29449641/deserialize-json-when-a-value-can-be-an-object-or-an-empty-array/29450279#29450279
-    //[JsonConverter(typeof(JsonSingleOrEmptyArrayConverter<Hours>))]
-    //public Dictionary<int,decimal> zeit_total_daily;
+	//public List<string> time_line;
+	public double? Zeit_total;
 
-    public List<TimeDay> zeit_total_daily_api;
+	//https://stackoverflow.com/questions/29449641/deserialize-json-when-a-value-can-be-an-object-or-an-empty-array/29450279#29450279
+	//[JsonConverter(typeof(JsonSingleOrEmptyArrayConverter<Hours>))]
+	//public Dictionary<int,decimal> zeit_total_daily;
+
+	public List<TimeDay> zeit_total_daily_api;
 	public List<DayTime>? daytime;
-    //public List<string> wochensumme;
+	//public List<string> wochensumme;
 
-    [ObservableProperty]
-    public double overtime_month;
+	[ObservableProperty] public double overtime_month;
 
-    [ObservableProperty]
-    public double overtime;
-    //public List<string> overtime_day;
+	[ObservableProperty] public double overtime;
+	//public List<string> overtime_day;
 
-    [ObservableProperty]
-    public double zeitausgleich;
+	[ObservableProperty] public double zeitausgleich;
 
 	public double zeitausgleich_month;
 	public double holiday;
 	public double krankheit;
 	public double weiterbildung;
 	public double bereitschaft;
+
 	public double bereitschaft_month;
+
 	//public Operator operator_api;
 	public DateTime Today;
 	public DateTime Date;
@@ -47,5 +49,4 @@ internal partial class Hours : ObservableObject {
 	public Collection<Gemeinde> Gemeinden { get; set; }
 	public Collection<Freistellung> Freistellungen { get; set; }
 	public int EmployeeId { get; set; }
-
 }

Jugenddienst Stunden/Types/NominalDay.cs

@@ -1,5 +1,6 @@
 namespace Jugenddienst_Stunden.Types;
-internal class NominalDay {
+
+public class NominalDay {
 	public int day_number;
 	public int month_number;
 	public double hours;

Jugenddienst Stunden/Types/NominalWeek.cs

@@ -1,6 +1,6 @@
 namespace Jugenddienst_Stunden.Types;
 
-internal class NominalWeek {
-    public int Week_number;
-    public double Hours;
+public class NominalWeek {
+	public int Week_number;
+	public double Hours;
 }

Jugenddienst Stunden/Types/Settings.cs

@@ -4,35 +4,35 @@
 /// Einstellungen
 /// </summary>
 public class Settings {
-    /// <summary>
-    /// Sind Projekte aktiv?
-    /// </summary>
-    public bool ProjektAktivSet { get; set; }
+	/// <summary>
+	/// Sind Projekte aktiv?
+	/// </summary>
+	public bool ProjektAktivSet { get; set; }
 
-    /// <summary>
-    /// Sind Gemeinden aktiv?
-    /// </summary>
-    public bool GemeindeAktivSet { get; set; }
+	/// <summary>
+	/// Sind Gemeinden aktiv?
+	/// </summary>
+	public bool GemeindeAktivSet { get; set; }
 
-    /// <summary>
-    /// Liste der Projekte
-    /// </summary>
-    public List<Projekt>? Projekte { get; set; }
+	/// <summary>
+	/// Liste der Projekte
+	/// </summary>
+	public List<Projekt>? Projekte { get; set; }
 
-    /// <summary>
-    /// Liste der Gemeinden
-    /// </summary>
-    public List<Gemeinde>? Gemeinden { get; set; }
+	/// <summary>
+	/// Liste der Gemeinden
+	/// </summary>
+	public List<Gemeinde>? Gemeinden { get; set; }
 
-    /// <summary>
-    /// Liste der Freistellungen
-    /// </summary>
-    public List<Freistellung>? Freistellungen { get; set; }
+	/// <summary>
+	/// Liste der Freistellungen
+	/// </summary>
+	public List<Freistellung>? Freistellungen { get; set; }
 
-    public List<Sollstunden> Nominal { get; set; }
+	public List<Sollstunden>? Nominal { get; set; }
 
-    /// <summary>
-    /// Version der API
-    /// </summary>
-    public string Version { get; set; }
+	/// <summary>
+	/// Version der API
+	/// </summary>
+	public string? Version { get; set; }
 }

Jugenddienst Stunden/Types/Sollstunden.cs

@@ -1,7 +1,7 @@
 namespace Jugenddienst_Stunden.Types;
 
 public class Sollstunden {
-    public int Timetable { get; set; }
-    public int Wochentag { get; set; }
-    public double Zeit { get; set; }
+	public int Timetable { get; set; }
+	public int Wochentag { get; set; }
+	public double Zeit { get; set; }
 }

Jugenddienst Stunden/Types/TimeDay.cs

@@ -3,7 +3,7 @@
 /// <summary>
 /// Summe der geleisteten Stunden.
 /// </summary>
-internal struct TimeDay {
-    public int Day { get; set; }
-    public double Hours { get; set; }
+public struct TimeDay {
+	public int Day { get; set; }
+	public double Hours { get; set; }
 }

Jugenddienst Stunden/Types/Timetable.cs

@@ -1,6 +1,6 @@
 namespace Jugenddienst_Stunden.Types;
 
 internal class Timetable {
-    public List<TimetableEntry> timetable;
-    public decimal wochensumme;
+	public List<TimetableEntry> timetable;
+	public decimal wochensumme;
 }

Jugenddienst Stunden/Types/TimetableEntry.cs

@@ -1,7 +1,7 @@
 namespace Jugenddienst_Stunden.Types;
 
 internal class TimetableEntry {
-    public List<TimeOnly>? Von;
-    public List<TimeOnly>? Bis;
-    public decimal Summe { get; set; }
+	public List<TimeOnly>? Von;
+	public List<TimeOnly>? Bis;
+	public decimal Summe { get; set; }
 }

Jugenddienst Stunden/Types/User.cs

@@ -1,4 +1,5 @@
 namespace Jugenddienst_Stunden.Types;
+
 internal class User {
 	public int Id { get; set; }
 	public string Name { get; set; }

Jugenddienst Stunden/Validators/HoursValidator.cs

@@ -0,0 +1,31 @@
+using Jugenddienst_Stunden.Infrastructure;
+using Jugenddienst_Stunden.Types;
+
+namespace Jugenddienst_Stunden.Validators;
+
+internal interface IHoursValidator {
+	void Validate(DayTime item, Settings settings);
+}
+
+internal sealed class HoursValidator : IHoursValidator {
+	public void Validate(DayTime item, Settings settings) {
+		if (item.FreistellungAktiv is null && item.TimeSpanVon == item.TimeSpanBis)
+			throw new ValidationException("Beginn und Ende sind gleich");
+
+		if (item.TimeSpanBis < item.TimeSpanVon)
+			throw new ValidationException("Ende ist vor Beginn");
+
+		if (settings.GemeindeAktivSet && item.GemeindeAktiv is null)
+			throw new ValidationException("Gemeinde nicht gewählt");
+
+		if (settings.ProjektAktivSet && item.ProjektAktiv is null)
+			throw new ValidationException("Projekt nicht gewählt");
+
+		if (string.IsNullOrWhiteSpace(item.Description)) {
+			if (item.FreistellungAktiv?.Name is string name && !string.IsNullOrWhiteSpace(name))
+				item.Description = name;
+			else
+				throw new ValidationException("Keine Beschreibung");
+		}
+	}
+}

Jugenddienst Stunden/ViewModels/LoginViewModel.cs

@@ -4,28 +4,30 @@
 /// Die Loginseite
 /// </summary>
 public class LoginViewModel {
-    /// <summary>
-    /// Name der Anwendung
-    /// </summary>
-    public string AppTitle => AppInfo.Name;
+	/// <summary>
+	/// Name der Anwendung
+	/// </summary>
+	public string AppTitle => AppInfo.Name;
 
-    /// <summary>
-    /// Programmversion
-    /// </summary>
-    public string Version => AppInfo.VersionString;
+	/// <summary>
+	/// Programmversion
+	/// </summary>
+	public string Version => AppInfo.VersionString;
 
-    /// <summary>
-    /// Kurze Mitteilung für den Anwender
-    /// </summary>
-    public string Message { get; set; } = "Scanne den QR-Code von deinem Benutzerprofil auf der Stundenseite.";
+	/// <summary>
+	/// Kurze Mitteilung für den Anwender
+	/// </summary>
+	public string Message { get; set; } = "Scanne den QR-Code von deinem Benutzerprofil auf der Stundenseite.";
 
-    /// <summary>
-    /// Genutzer Server für die API
-    /// </summary>
-    public string Server { get; set; } = "Server: " + Preferences.Default.Get("apiUrl", "").Replace("/appapi", "").Replace("https://", "").Replace("http://", "");
+	/// <summary>
+	/// Genutzer Server für die API
+	/// </summary>
+	public string Server { get; set; } = "Server: " + Preferences.Default.Get("apiUrl", "").Replace("/appapi", "")
+		.Replace("https://", "").Replace("http://", "");
 
-    /// <summary>
-    /// Titel der Seite - im Moment der aktuelle Anwender
-    /// </summary>
-    public string Title { get; set; } = Preferences.Default.Get("name", "Nicht") + " " + Preferences.Default.Get("surname", "eingeloggt");
+	/// <summary>
+	/// Titel der Seite - im Moment der aktuelle Anwender
+	/// </summary>
+	public string Title { get; set; } = Preferences.Default.Get("name", "Nicht") + " " +
+	                                    Preferences.Default.Get("surname", "eingeloggt");
 }

Jugenddienst Stunden/ViewModels/NoteViewModel.cs

@@ -3,8 +3,10 @@ using CommunityToolkit.Mvvm.ComponentModel;
 using System.Windows.Input;
 
 namespace Jugenddienst_Stunden.ViewModels;
+
 internal class NoteViewModel : ObservableObject, IQueryAttributable {
 	private Models.Note _note;
+
 	public string Text {
 		get => _note.Text;
 		set {

Jugenddienst Stunden/ViewModels/NotesViewModel.cs

@@ -47,7 +47,9 @@ internal class NotesViewModel : IQueryAttributable {
 				}
 
 				// If note isn't found, it's new; add it.
-				else { AllNotes.Insert(0, new NoteViewModel(Note.Load(noteId))); }
+				else {
+					AllNotes.Insert(0, new NoteViewModel(Note.Load(noteId)));
+				}
 			}
 		}
 	}

Jugenddienst Stunden/ViewModels/StundeViewModel.cs

@@ -8,243 +8,257 @@ using static System.Runtime.InteropServices.JavaScript.JSType;
 using Jugenddienst_Stunden.Interfaces;
 using Jugenddienst_Stunden.Repositories;
 using Jugenddienst_Stunden.Services;
+using Jugenddienst_Stunden.Infrastructure;
+using Jugenddienst_Stunden.Validators;
+using System.Net.Http;
 
 namespace Jugenddienst_Stunden.ViewModels;
+
 /// <summary>
 /// Viewmodel für die einzelnen Stundeneinträge / Bearbeitung
 /// </summary>
 public partial class StundeViewModel : ObservableObject, IQueryAttributable {
-    private readonly IHoursService _hoursService;
+	private readonly IHoursService _hoursService;
 
-    public int Id { get; set; }
-    public string Title { get; set; } = "Eintrag bearbeiten";
-    public string SubTitle { get; set; } = DateTime.Today.ToString("dddd, d. MMMM yyyy");
+	public int Id { get; set; }
+	public string Title { get; set; } = "Eintrag bearbeiten";
+	public string SubTitle { get; set; } = DateTime.Today.ToString("dddd, d. MMMM yyyy");
 
-    //private HoursBase HoursBase = new HoursBase();
-    internal Settings Settings = new Settings();
+	//private HoursBase HoursBase = new HoursBase();
+	internal Settings Settings = new Settings();
 
-    public event EventHandler<string> AlertEvent;
-    public event EventHandler<string> InfoEvent;
-    public event Func<string, string, Task<bool>> ConfirmEvent;
-    //public event Func<string, string, string?, string?, Task<bool>> ConfirmEvent;
-    //public event EventHandler<ConfirmEventArgs> ConfirmEvent;
+	public event EventHandler<string> AlertEvent;
+	public event EventHandler<string> InfoEvent;
 
-    /// <summary>
-    /// Gemeinden für die Auswahlliste
-    /// </summary>
-    [ObservableProperty]
-    private List<Gemeinde> optionsGemeinde;
+	public event Func<string, string, Task<bool>> ConfirmEvent;
+	//public event Func<string, string, string?, string?, Task<bool>> ConfirmEvent;
+	//public event EventHandler<ConfirmEventArgs> ConfirmEvent;
 
-    /// <summary>
-    /// Projekte für die Auswahlliste
-    /// </summary>
-    [ObservableProperty]
-    private List<Projekt> optionsProjekt;
+	/// <summary>
+	/// Gemeinden für die Auswahlliste
+	/// </summary>
+	[ObservableProperty] private List<Gemeinde> optionsGemeinde;
 
-    /// <summary>
-    /// Freistellungen für die Auswahlliste
-    /// </summary>
-    [ObservableProperty]
-    private List<Freistellung> optionsFreistellung;
+	/// <summary>
+	/// Projekte für die Auswahlliste
+	/// </summary>
+	[ObservableProperty] private List<Projekt> optionsProjekt;
 
-    /// <summary>
-    /// Vorhandene Zeiten anzeigen, wenn neuer Eintrag erstellt wird
-    /// </summary>
-    [ObservableProperty]
-    private List<DayTime> dayTimes;
+	/// <summary>
+	/// Freistellungen für die Auswahlliste
+	/// </summary>
+	[ObservableProperty] private List<Freistellung> optionsFreistellung;
 
-    /// <summary>
-    /// Aktueller Stundeneintrag
-    /// </summary>
-    [ObservableProperty]
-    private DayTime dayTime;
+	/// <summary>
+	/// Vorhandene Zeiten anzeigen, wenn neuer Eintrag erstellt wird
+	/// </summary>
+	[ObservableProperty] private List<DayTime> dayTimes;
 
-    /// <summary>
-    /// Dürfen Gemeinden verwendet werden?
-    /// </summary>
-    [ObservableProperty]
-    private bool gemeindeAktivSet;
+	/// <summary>
+	/// Aktueller Stundeneintrag
+	/// </summary>
+	[ObservableProperty] private DayTime dayTime;
 
-    /// <summary>
-    /// Dürfen Projekte verwendet werden?
-    /// </summary>
-    [ObservableProperty]
-    private bool projektAktivSet;
+	/// <summary>
+	/// Dürfen Gemeinden verwendet werden?
+	/// </summary>
+	[ObservableProperty] private bool gemeindeAktivSet;
 
-    [ObservableProperty]
-    private bool freistellungEnabled;
+	/// <summary>
+	/// Dürfen Projekte verwendet werden?
+	/// </summary>
+	[ObservableProperty] private bool projektAktivSet;
 
-    public ICommand SaveCommand { get; private set; }
-    public ICommand DeleteCommand { get; private set; }
-    public ICommand DeleteConfirmCommand { get; private set; }
-    //public ICommand LoadDataCommand { get; private set; }
+	[ObservableProperty] private bool freistellungEnabled;
+
+	public ICommand SaveCommand { get; private set; }
+	public ICommand DeleteCommand { get; private set; }
+	public ICommand DeleteConfirmCommand { get; private set; }
+	//public ICommand LoadDataCommand { get; private set; }
 
 
-    public StundeViewModel() : this(GetServiceOrCreate()) { }
+	public StundeViewModel() : this(GetServiceOrCreate()) {
+	}
 
-    private static IHoursService GetServiceOrCreate() => new HoursService(new HoursRepository());
+	private static IHoursService GetServiceOrCreate() {
+		// Fallback-Konstruktion, falls DI nicht injiziert wurde (z. B. im Designer)
+		var http = new HttpClient();
+		var options = new Infrastructure.ApiOptions { BaseUrl = GlobalVar.ApiUrl, Timeout = TimeSpan.FromSeconds(15) };
+		var tokenProvider = new GlobalVarTokenProvider();
+		var api = new ApiClient(http, options, tokenProvider, new PreferencesAppSettings());
+		var repo = new HoursRepository(api);
+		var validator = new HoursValidator();
+		return new HoursService(repo, validator);
+	}
 
-    internal StundeViewModel(IHoursService hoursService) {
-        _hoursService = hoursService;
-        SaveCommand = new AsyncRelayCommand(Save);
-        //DeleteCommand = new AsyncRelayCommand(Delete);
-        DeleteConfirmCommand = new Command(async () => await DeleteConfirm());
-    }
+	internal StundeViewModel(IHoursService hoursService) {
+		_hoursService = hoursService;
+		SaveCommand = new AsyncRelayCommand(Save);
+		//DeleteCommand = new AsyncRelayCommand(Delete);
+		DeleteConfirmCommand = new Command(async () => await DeleteConfirm());
+	}
 
-    private async void LoadSettingsAsync() {
-        try {
-            Settings = await _hoursService.GetSettingsAsync();
-            GlobalVar.Settings = Settings;
+	// DI-Konstruktor, der den globalen Alert-Service abonniert und Alerts an das ViewModel weiterreicht.
+	internal StundeViewModel(IHoursService hoursService, IAlertService alertService) : this(hoursService) {
+		if (alertService is not null) {
+			alertService.AlertRaised += (s, msg) => AlertEvent?.Invoke(this, msg);
+		}
+	}
 
-            OptionsGemeinde = Settings.Gemeinden;
-            OptionsProjekt = Settings.Projekte;
-            OptionsFreistellung = Settings.Freistellungen;
+	private async void LoadSettingsAsync() {
+		try {
+			Settings = await _hoursService.GetSettingsAsync();
+			GlobalVar.Settings = Settings;
 
-            GemeindeAktivSet = Settings.GemeindeAktivSet;
-            ProjektAktivSet = Settings.ProjektAktivSet;
+			OptionsGemeinde = Settings.Gemeinden;
+			OptionsProjekt = Settings.Projekte;
+			OptionsFreistellung = Settings.Freistellungen;
 
-        } catch (Exception e) {
-            AlertEvent?.Invoke(this, e.Message);
-        }
-    }
+			GemeindeAktivSet = Settings.GemeindeAktivSet;
+			ProjektAktivSet = Settings.ProjektAktivSet;
+		} catch (Exception e) {
+			AlertEvent?.Invoke(this, e.Message);
+		}
+	}
 
-    async Task Save() {
-        bool exceptionOccurred = false;
-        bool proceed = true;
-        if (DayTime.TimeSpanVon == DayTime.TimeSpanBis && DayTime.FreistellungAktiv.Name == null) {
-            proceed = false;
-            AlertEvent?.Invoke(this, "Uhrzeiten sollten unterschiedlich sein");
-        }
+	async Task Save() {
+		bool exceptionOccurred = false;
+		bool proceed = true;
+		if (DayTime.TimeSpanVon == DayTime.TimeSpanBis && DayTime.FreistellungAktiv.Name == null) {
+			proceed = false;
+			AlertEvent?.Invoke(this, "Uhrzeiten sollten unterschiedlich sein");
+		}
 
-        if (proceed) {
-            try {
-                await _hoursService.SaveEntryAsync(DayTime);
-            } catch (Exception e) {
-                AlertEvent?.Invoke(this, e.Message);
-                exceptionOccurred = true;
-            }
-            if (!exceptionOccurred) {
-                if (DayTime.Id != null) {
-                    await Shell.Current.GoToAsync($"..?saved={DayTime.Id}");
-                } else {
-                    await Shell.Current.GoToAsync($"..?date={DayTime.Day.ToString("yyyy-MM-dd")}");
-                }
-            }
-        }
-    }
+		if (proceed) {
+			try {
+				await _hoursService.SaveEntryAsync(DayTime);
+			} catch (Exception e) {
+				AlertEvent?.Invoke(this, e.Message);
+				exceptionOccurred = true;
+			}
 
-    /// <summary>
-    /// Löschen ohne Bestätigung
-    /// </summary>
-    private async Task Delete() {
-        await _hoursService.DeleteEntryAsync(DayTime);
-        await Shell.Current.GoToAsync($"..?date={DayTime.Day.ToString("yyyy-MM-dd")}");
-    }
+			if (!exceptionOccurred) {
+				if (DayTime.Id != null) {
+					await Shell.Current.GoToAsync($"..?saved={DayTime.Id}");
+				} else {
+					await Shell.Current.GoToAsync($"..?date={DayTime.Day.ToString("yyyy-MM-dd")}");
+				}
+			}
+		}
+	}
 
-    /// <summary>
-    /// Löschen mit Bestätigung
-    /// </summary>
-    private async Task DeleteConfirm() {
-        if (ConfirmEvent != null) {
-            bool answer = await ConfirmEvent.Invoke("Achtung", "Löschen kann nicht ungeschehen gemacht werden. Fortfahren?");
-            if (answer) {
-                //Löschen
-                await _hoursService.DeleteEntryAsync(DayTime);
-                await Shell.Current.GoToAsync($"..?date={DayTime.Day.ToString("yyyy-MM-dd")}");
-            } else {
-                //nicht Löschen
-            }
-        }
-    }
+	/// <summary>
+	/// Löschen ohne Bestätigung
+	/// </summary>
+	private async Task Delete() {
+		await _hoursService.DeleteEntryAsync(DayTime);
+		await Shell.Current.GoToAsync($"..?date={DayTime.Day.ToString("yyyy-MM-dd")}");
+	}
 
-    /// <summary>
-    /// Anwenden der Query-Parameter
-    /// </summary>
-    async void IQueryAttributable.ApplyQueryAttributes(IDictionary<string, object> query) {
-        //load beinhaltet die ID: Eintrag bearbeiten
-        //date beinhaltet einen Tag: Neuen Eintrag erstellen
-        if (query.ContainsKey("load")) {
+	/// <summary>
+	/// Löschen mit Bestätigung
+	/// </summary>
+	private async Task DeleteConfirm() {
+		if (ConfirmEvent != null) {
+			bool answer =
+				await ConfirmEvent.Invoke("Achtung", "Löschen kann nicht ungeschehen gemacht werden. Fortfahren?");
+			if (answer) {
+				//Löschen
+				await _hoursService.DeleteEntryAsync(DayTime);
+				await Shell.Current.GoToAsync($"..?date={DayTime.Day.ToString("yyyy-MM-dd")}");
+			} else {
+				//nicht Löschen
+			}
+		}
+	}
 
-            //DateTime heute = DateTime.Now;
-            try {
-                var entry = await _hoursService.GetEntryAsync(Convert.ToInt32(query["load"]));
-                var settings = await _hoursService.GetSettingsAsync();
-                GlobalVar.Settings = settings;
-                GemeindeAktivSet = settings.GemeindeAktivSet;
-                ProjektAktivSet = settings.ProjektAktivSet;
+	/// <summary>
+	/// Anwenden der Query-Parameter
+	/// </summary>
+	async void IQueryAttributable.ApplyQueryAttributes(IDictionary<string, object> query) {
+		//load beinhaltet die ID: Eintrag bearbeiten
+		//date beinhaltet einen Tag: Neuen Eintrag erstellen
+		if (query.ContainsKey("load")) {
+			//DateTime heute = DateTime.Now;
+			try {
+				var entry = await _hoursService.GetEntryAsync(Convert.ToInt32(query["load"]));
+				var settings = await _hoursService.GetSettingsAsync();
+				GlobalVar.Settings = settings;
+				GemeindeAktivSet = settings.GemeindeAktivSet;
+				ProjektAktivSet = settings.ProjektAktivSet;
 
-                DayTime = entry;
-                DayTime.TimeSpanVon = entry.Begin.ToTimeSpan();
-                DayTime.TimeSpanBis = entry.End.ToTimeSpan();
+				DayTime = entry;
+				DayTime.TimeSpanVon = entry.Begin.ToTimeSpan();
+				DayTime.TimeSpanBis = entry.End.ToTimeSpan();
 
-                OptionsGemeinde = settings.Gemeinden ?? new List<Gemeinde>();
-                OptionsProjekt = settings.Projekte ?? new List<Projekt>();
-                OptionsFreistellung = settings.Freistellungen ?? new List<Freistellung>();
+				OptionsGemeinde = settings.Gemeinden ?? new List<Gemeinde>();
+				OptionsProjekt = settings.Projekte ?? new List<Projekt>();
+				OptionsFreistellung = settings.Freistellungen ?? new List<Freistellung>();
 
-                DayTime.GemeindeAktiv = OptionsGemeinde.FirstOrDefault(Gemeinde => Gemeinde.Id == DayTime.Gemeinde) ?? new Gemeinde();
-                DayTime.ProjektAktiv = OptionsProjekt.FirstOrDefault(Projekt => Projekt.Id == DayTime.Projekt) ?? new Projekt();
-                DayTime.FreistellungAktiv = OptionsFreistellung.FirstOrDefault(Freistellung => Freistellung.Id == DayTime.Free) ?? new Freistellung();
+				DayTime.GemeindeAktiv = OptionsGemeinde.FirstOrDefault(Gemeinde => Gemeinde.Id == DayTime.Gemeinde) ??
+				                        new Gemeinde();
+				DayTime.ProjektAktiv = OptionsProjekt.FirstOrDefault(Projekt => Projekt.Id == DayTime.Projekt) ??
+				                       new Projekt();
+				DayTime.FreistellungAktiv =
+					OptionsFreistellung.FirstOrDefault(Freistellung => Freistellung.Id == DayTime.Free) ??
+					new Freistellung();
 
-                //Evtl. noch die anderen Zeiten des gleichen Tages holen
-                var day = await _hoursService.GetDayWithSettingsAsync(DayTime.Day);
-                DayTimes = day.dayTimes;
-                OnPropertyChanged(nameof(DayTime));
-                OnPropertyChanged(nameof(DayTimes));
+				//Evtl. noch die anderen Zeiten des gleichen Tages holen
+				var day = await _hoursService.GetDayWithSettingsAsync(DayTime.Day);
+				DayTimes = day.dayTimes;
+				OnPropertyChanged(nameof(DayTime));
+				OnPropertyChanged(nameof(DayTimes));
+			} catch (Exception e) {
+				AlertEvent?.Invoke(this, e.Message);
+			} finally {
+			}
 
-            } catch (Exception e) {
-                AlertEvent?.Invoke(this, e.Message);
-            } finally {
+			if (System.String.IsNullOrEmpty(DayTime.Description)) {
+				InfoEvent?.Invoke(this, "Eintrag hat keinen Beschreibungstext");
+			}
 
-            }
+			SubTitle = DayTime.Day.ToString("dddd, d. MMMM yyyy");
+			OnPropertyChanged(nameof(SubTitle));
 
-            if (System.String.IsNullOrEmpty(DayTime.Description)) {
-                InfoEvent?.Invoke(this, "Eintrag hat keinen Beschreibungstext");
-            }
-            SubTitle = DayTime.Day.ToString("dddd, d. MMMM yyyy");
-            OnPropertyChanged(nameof(SubTitle));
+			FreistellungEnabled = !DayTime.Approved;
+			//OnPropertyChanged(nameof(DayTime));
+		} else if (query.ContainsKey("date")) {
+			Title = "Neuer Eintrag";
+			OnPropertyChanged(nameof(Title));
 
-            FreistellungEnabled = !DayTime.Approved;
-            //OnPropertyChanged(nameof(DayTime));
+			DateTime _date = DateTime.ParseExact((string)query["date"], "yyyy-MM-dd",
+				System.Globalization.CultureInfo.InvariantCulture);
+			//Bei neuem Eintrag die vorhandenen des gleichen Tages anzeigen
+			try {
+				var (list, settings) = await _hoursService.GetDayWithSettingsAsync(_date);
+				GlobalVar.Settings = settings;
+				DayTimes = list;
 
-        } else if (query.ContainsKey("date")) {
-            Title = "Neuer Eintrag";
-            OnPropertyChanged(nameof(Title));
+				OptionsGemeinde = settings.Gemeinden;
+				OptionsProjekt = settings.Projekte;
+				OptionsFreistellung = settings.Freistellungen;
 
-            DateTime _date = DateTime.ParseExact((string)query["date"], "yyyy-MM-dd", System.Globalization.CultureInfo.InvariantCulture);
-            //Bei neuem Eintrag die vorhandenen des gleichen Tages anzeigen
-            try {
-                var (list, settings) = await _hoursService.GetDayWithSettingsAsync(_date);
-                GlobalVar.Settings = settings;
-                DayTimes = list;
+				GemeindeAktivSet = settings.GemeindeAktivSet;
+				ProjektAktivSet = settings.ProjektAktivSet;
+			} catch (Exception) {
+				//Ein Tag ohne Einträge gibt eine Fehlermeldung,
+				//die soll aber ignoriert werden, weil beim Neueintrag ist das ja Wurscht
+				//In dem Fall müssen die Settings aber nochmal geholt werden, weil die dann nicht geladen wurden
+				LoadSettingsAsync();
+			} finally {
+				DayTime = new DayTime();
+				DayTime.Day = _date;
+				DayTime.EmployeeId = GlobalVar.EmployeeId;
+				DayTime.GemeindeAktiv = new Gemeinde();
+				DayTime.ProjektAktiv = new Projekt();
+				DayTime.FreistellungAktiv = new Freistellung();
 
-                OptionsGemeinde = settings.Gemeinden;
-                OptionsProjekt = settings.Projekte;
-                OptionsFreistellung = settings.Freistellungen;
-
-                GemeindeAktivSet = settings.GemeindeAktivSet;
-                ProjektAktivSet = settings.ProjektAktivSet;
-
-            } catch (Exception) {
-                //Ein Tag ohne Einträge gibt eine Fehlermeldung,
-                //die soll aber ignoriert werden, weil beim Neueintrag ist das ja Wurscht
-                //In dem Fall müssen die Settings aber nochmal geholt werden, weil die dann nicht geladen wurden
-                LoadSettingsAsync();
-            } finally {
-                DayTime = new DayTime();
-                DayTime.Day = _date;
-                DayTime.EmployeeId = GlobalVar.EmployeeId;
-                DayTime.GemeindeAktiv = new Gemeinde();
-                DayTime.ProjektAktiv = new Projekt();
-                DayTime.FreistellungAktiv = new Freistellung();
-
-                SubTitle = _date.ToString("dddd, d. MMMM yyyy");
-                FreistellungEnabled = true;
-
-                OnPropertyChanged(nameof(SubTitle));
-                //OnPropertyChanged(nameof(DayTime));
-            }
-
-        }
-    }
+				SubTitle = _date.ToString("dddd, d. MMMM yyyy");
+				FreistellungEnabled = true;
 
+				OnPropertyChanged(nameof(SubTitle));
+				//OnPropertyChanged(nameof(DayTime));
+			}
+		}
+	}
 }

Jugenddienst Stunden/ViewModels/StundenViewModel.cs

@@ -5,325 +5,366 @@ using Jugenddienst_Stunden.Types;
 using System.ComponentModel;
 using System.Runtime.CompilerServices;
 using System.Windows.Input;
-using CommunityToolkit.Maui.Alerts;
-using CommunityToolkit.Maui.Core;
-using static System.Runtime.InteropServices.JavaScript.JSType;
 using Jugenddienst_Stunden.Interfaces;
-using Jugenddienst_Stunden.Repositories;
-using Jugenddienst_Stunden.Services;
 
 
 namespace Jugenddienst_Stunden.ViewModels;
+
 /// <summary>
 /// ViewModel für die Stundenliste
 /// </summary>
-internal partial class StundenViewModel : ObservableObject, IQueryAttributable, INotifyPropertyChanged {
-    private readonly IHoursService _hoursService;
+public partial class StundenViewModel : ObservableObject, IQueryAttributable, INotifyPropertyChanged {
+	private readonly IHoursService _hoursService;
 
-    public ICommand NewEntryCommand { get; }
-    public ICommand SelectEntryCommand { get; }
-    public ICommand LoadDataCommand { get; private set; }
-    public ICommand LoadDayCommand { get; private set; }
-    public ICommand RefreshListCommand { get; }
-    public ICommand RefreshCommand { get; }
+	public ICommand NewEntryCommand { get; }
+	public ICommand SelectEntryCommand { get; }
+	public ICommand LoadDataCommand { get; private set; }
+	public ICommand LoadDayCommand { get; private set; }
+	public ICommand RefreshListCommand { get; }
+	public ICommand RefreshCommand { get; }
 
-    public event EventHandler<string> AlertEvent;
-    public event EventHandler<string> InfoEvent;
+	public event EventHandler<string> AlertEvent;
+	public event EventHandler<string> InfoEvent;
 
 
-    /// <summary>
-    /// Beschriftung Button Monatsübersicht
-    /// </summary>
-    [ObservableProperty]
-    private string loadOverview;
+	/// <summary>
+	/// Beschriftung Button Monatsübersicht
+	/// </summary>
+	[ObservableProperty] private string loadOverview;
 
-    //private HoursBase HoursBase = new HoursBase();
-    internal Settings Settings = new Settings();
+	//private HoursBase HoursBase = new HoursBase();
+	internal Settings Settings = new Settings();
 
-    /// <summary>
-    /// Zu leistende Stunden
-    /// </summary>
-    [ObservableProperty]
-    private TimeOnly sollstunden;
+	/// <summary>
+	/// Zu leistende Stunden
+	/// </summary>
+	[ObservableProperty] private TimeOnly sollstunden;
 
-    /// <summary>
-    /// Geleistete Stunden an einem Tag
-    /// </summary>
-    [ObservableProperty]
-    private TimeOnly dayTotal;
+	/// <summary>
+	/// Geleistete Stunden an einem Tag
+	/// </summary>
+	[ObservableProperty] private TimeOnly dayTotal;
 
-    /// <summary>
-    /// Liste der Tageszeiten
-    /// </summary>
-    [ObservableProperty]
-    private List<DayTime> dayTimes = new List<DayTime>();
+	/// <summary>
+	/// Liste der Tageszeiten
+	/// </summary>
+	[ObservableProperty] private List<DayTime> dayTimes = new List<DayTime>();
 
-    public string Title { get; set; } = GlobalVar.Name + " " + GlobalVar.Surname;
+	public string Title { get; set; } = GlobalVar.Name + " " + GlobalVar.Surname;
 
-    [ObservableProperty]
-    private Hours hours;
+	[ObservableProperty] private Hours hours;
 
 
-    /// <summary>
-    /// Mindest-Datum für den Datepicker
-    /// </summary>
-    public DateTime MinimumDate {
-        get => DateTime.Today.AddDays(-365);
-    }
+	/// <summary>
+	/// Mindest-Datum für den Datepicker
+	/// </summary>
+	public DateTime MinimumDate {
+		get => DateTime.Today.AddDays(-365);
+	}
 
-    /// <summary>
-    /// Höchst-Datum für den Datepicker
-    /// </summary>
-    public DateTime MaximumDate {
-        get => DateTime.Today.AddDays(60);
-    }
+	/// <summary>
+	/// Höchst-Datum für den Datepicker
+	/// </summary>
+	public DateTime MaximumDate {
+		get => DateTime.Today.AddDays(60);
+	}
 
-    /// <summary>
-    /// Heutiges Datum, wenn das Datum geändert wird, wird auch der Tag geladen
-    /// </summary>
-    private DateTime dateToday = DateTime.Today;
-    public DateTime DateToday {
-        get => dateToday;
-        set {
-            if (dateToday != value) {
-                dateToday = value;
-                LoadOverview = "Lade Summen für " + dateToday.ToString("MMMM yy");
-                //OnPropertyChanged();
-                Task.Run(() => LoadDay(value));
-            }
-        }
-    }
+	/// <summary>
+	/// Heutiges Datum, wenn das Datum geändert wird, wird auch der Tag geladen
+	/// </summary>
+	private DateTime dateToday = DateTime.Today;
 
-    /// <summary>
-    /// Monatsübersicht: Geleistete Stunden
-    /// </summary>
-    public double? ZeitCalculated {
-        get => Hours.Zeit_total;
-    }
+	public DateTime DateToday {
+		get => dateToday;
+		set {
+			if (dateToday != value) {
+				dateToday = value;
+				LoadOverview = "Lade Summen für " + dateToday.ToString("MMMM yy");
+				// Task.Run(() => LoadDay(value));
+				// NICHT Task.Run: LoadDay aktualisiert UI-gebundene Properties
+				MainThread.BeginInvokeOnMainThread(async () =>
+				{
+					try
+					{
+						await LoadDay(dateToday);
+					}
+					catch (Exception ex)
+					{
+						AlertEvent?.Invoke(this, ex.Message);
+					}
+				});
+			}
+		}
+	}
 
-    /// <summary>
-    /// Monatsübersicht: Sollstunden
-    /// </summary>
-    public double? Nominal {
-        get => Hours.Nominal;
-    }
+	/// <summary>
+	/// Monatsübersicht: Geleistete Stunden
+	/// </summary>
+	public double? ZeitCalculated {
+		get => Hours.Zeit_total;
+	}
 
-    /// <summary>
-    /// Monatsübersicht: Differenz zwischen Soll und geleisteten Stunden
-    /// </summary>
-    public double? Overtime {
-        get => Hours.overtime;
-    }
+	/// <summary>
+	/// Monatsübersicht: Sollstunden
+	/// </summary>
+	public double? Nominal {
+		get => Hours.Nominal;
+	}
 
-    /// <summary>
-    /// Monatsübersicht: Restüberstunden insgesamt
-    /// </summary>
-    public double OvertimeMonth {
-        get => Hours.overtime_month;
-    }
+	/// <summary>
+	/// Monatsübersicht: Differenz zwischen Soll und geleisteten Stunden
+	/// </summary>
+	public double? Overtime {
+		get => Hours.overtime;
+	}
 
-    public double Zeitausgleich {
-        get => Hours.zeitausgleich;
-    }
-    public double ZeitausgleichMonth {
-        get => Hours.zeitausgleich_month;
-    }
+	/// <summary>
+	/// Monatsübersicht: Restüberstunden insgesamt
+	/// </summary>
+	public double OvertimeMonth {
+		get => Hours.overtime_month;
+	}
 
-    /// <summary>
-    /// Monatsübersicht: Resturlaub
-    /// </summary>
-    public double Holiday {
-        get => Hours.holiday;
-    }
+	public double Zeitausgleich {
+		get => Hours.zeitausgleich;
+	}
 
-    /// <summary>
-    /// Seite neu laden
-    /// </summary>
-    [ObservableProperty]
-    private bool isRefreshing;
+	public double ZeitausgleichMonth {
+		get => Hours.zeitausgleich_month;
+	}
+
+	/// <summary>
+	/// Monatsübersicht: Resturlaub
+	/// </summary>
+	public double Holiday {
+		get => Hours.holiday;
+	}
+
+	/// <summary>
+	/// Seite neu laden
+	/// </summary>
+	[ObservableProperty] private bool isRefreshing;
 
 
-    /// <summary>
-    /// Dürfen Gemeinden verwendet werden?
-    /// </summary>
-    public bool GemeindeAktivSet { get; set; }
+	/// <summary>
+	/// Dürfen Gemeinden verwendet werden?
+	/// </summary>
+	public bool GemeindeAktivSet { get; set; }
 
-    /// <summary>
-    /// Dürfen Projekte verwendet werden?
-    /// </summary>
-    public bool ProjektAktivSet { get; set; }
+	/// <summary>
+	/// Dürfen Projekte verwendet werden?
+	/// </summary>
+	public bool ProjektAktivSet { get; set; }
 
-    private bool doContinue = true;
+	private bool doContinue = true;
+
+
+	/// <summary>
+	/// CTOR (DI)
+	/// </summary>
+	public StundenViewModel(IHoursService hoursService) {
+		_hoursService = hoursService;
+		Hours = new Hours();
+
+		LoadOverview = "Lade Summen für " + DateToday.ToString("MMMM");
+
+		LoadDataCommand = new AsyncRelayCommand(LoadData);
+		NewEntryCommand = new AsyncRelayCommand(NewEntryAsync);
+		SelectEntryCommand = new AsyncRelayCommand<DayTime>(SelectEntryAsync);
+		RefreshListCommand = new AsyncRelayCommand(RefreshList);
+		RefreshCommand = new Command(async () => await RefreshItemsAsync());
+
+		// Task task = LoadDay(DateTime.Today);
+		// Beim Startup NICHT direkt im CTOR laden (kann Startup/Navigation blockieren)
+		// Stattdessen via Dispatcher "nach" dem Aufbau starten:
+		MainThread.BeginInvokeOnMainThread(async () =>
+		{
+			try
+			{
+				await LoadDay(DateTime.Today);
+			}
+			catch (Exception ex)
+			{
+				AlertEvent?.Invoke(this, ex.Message);
+			}
+		});
+	}
 	
 
 
-    /// <summary>
-    /// CTOR
-    /// </summary>
-    public StundenViewModel() : this(GetServiceOrCreate()) {
-    }
+	/// <summary>
+	/// Öffnet eine neue Stundeneingabe
+	/// </summary>
+	private async Task NewEntryAsync() {
+		//Hier muss das Datum übergeben werden
+		//await Shell.Current.GoToAsync(nameof(Views.StundePage));
+		await Shell.Current.GoToAsync($"{nameof(Views.StundePage)}?date={dateToday:yyyy-MM-dd}");
+	}
 
-    private static IHoursService GetServiceOrCreate() => new HoursService(new HoursRepository());
+	/// <summary>
+	/// Öffnet eine bestehende Stundeneingabe
+	/// </summary>
+	private async Task SelectEntryAsync(DayTime entry) {
+		if (entry != null && entry.Id != null) {
+			//var navigationParameters = new Dictionary<string, object> { { "load", entry.id } };
+			//await Shell.Current.GoToAsync($"{nameof(Views.StundePage)}", navigationParameters);
+			await Shell.Current.GoToAsync($"{nameof(Views.StundePage)}?load={entry.Id}");
+		} else AlertEvent?.Invoke(this, "Auswahl enthält keine Daten");
+	}
 
-    internal StundenViewModel(IHoursService hoursService) {
-        _hoursService = hoursService;
-        Hours = new Hours();
+	private async Task RefreshList() {
+		OnPropertyChanged(nameof(DayTimes));
+	}
 
-        LoadOverview = "Lade Summen für " + DateToday.ToString("MMMM");
+	/// <summary>
+	/// Lädt die Monatssummen für die Übersicht
+	/// </summary>
+	private async Task LoadData() {
+		try {
+			var (hours, settings) = await _hoursService.GetMonthSummaryAsync(DateToday);
+			Hours = hours;
+			Settings = settings;
 
-        LoadDataCommand = new AsyncRelayCommand(LoadData);
-        NewEntryCommand = new AsyncRelayCommand(NewEntryAsync);
-        SelectEntryCommand = new AsyncRelayCommand<DayTime>(SelectEntryAsync);
-        RefreshListCommand = new AsyncRelayCommand(RefreshList);
-        RefreshCommand = new Command(async () => await RefreshItemsAsync());
+			if (Settings.Version != AppInfo.Current.VersionString.Substring(0, 5)) {
+				InfoEvent?.Invoke(this,
+					"Version: " + Settings.Version + " verfügbar (" + AppInfo.Current.VersionString.Substring(0, 5) +
+					" installiert)");
+			}
 
-        Task task = LoadDay(DateTime.Today);
-    }
+			//_hour = await HoursBase.LoadData();
+			RefreshProperties();
+		} catch (Exception e) {
+			AlertEvent?.Invoke(this, e.Message);
+		}
+	}
 
 
-    /// <summary>
-    /// Öffnet eine neue Stundeneingabe
-    /// </summary>
-    private async Task NewEntryAsync() {
-        //Hier muss das Datum übergeben werden
-        //await Shell.Current.GoToAsync(nameof(Views.StundePage));
-        await Shell.Current.GoToAsync($"{nameof(Views.StundePage)}?date={dateToday:yyyy-MM-dd}");
-    }
+	/// <summary>
+	/// Lädt die Arbeitszeiten für einen Tag
+	/// </summary>
+	public async Task LoadDay(DateTime date) {
+		// kleine Initialwerte sind ok, aber UI-Thread sicher setzen:
+		await MainThread.InvokeOnMainThreadAsync(() =>
+		{
+			DayTotal = new TimeOnly(0);
+			Sollstunden = new TimeOnly(0);
+		});
+		try {
+			var (dayTimes, settings) = await _hoursService.GetDayWithSettingsAsync(date);
 
-    /// <summary>
-    /// Öffnet eine bestehende Stundeneingabe
-    /// </summary>
-    private async Task SelectEntryAsync(DayTime entry) {
-        if (entry != null && entry.Id != null) {
-            //var navigationParameters = new Dictionary<string, object> { { "load", entry.id } };
-            //await Shell.Current.GoToAsync($"{nameof(Views.StundePage)}", navigationParameters);
-            await Shell.Current.GoToAsync($"{nameof(Views.StundePage)}?load={entry.Id}");
-        } else AlertEvent?.Invoke(this, "Auswahl enthält keine Daten");
-    }
+			await MainThread.InvokeOnMainThreadAsync(() =>
+			{
+				DayTimes = dayTimes;
+				Settings = settings;
+				GemeindeAktivSet = Settings.GemeindeAktivSet;
+				ProjektAktivSet = Settings.ProjektAktivSet;
 
-    private async Task RefreshList() {
-        OnPropertyChanged(nameof(DayTimes));
-    }
+				OnPropertyChanged(nameof(GemeindeAktivSet));
+				OnPropertyChanged(nameof(ProjektAktivSet));
+			});
 
-    /// <summary>
-    /// Lädt die Monatssummen für die Übersicht
-    /// </summary>
-    private async Task LoadData() {
-        try {
-            var (hours, settings) = await _hoursService.GetMonthSummaryAsync(DateToday);
-            Hours = hours;
-            Settings = settings;
+			List<Sollstunden> _soll;
+			TimeSpan span = TimeSpan.Zero;
+			bool merker = false;
+			foreach (DayTime dt in DayTimes) {
+				span += dt.End - dt.Begin;
+				//Nachtstunden dazurechnen
+				if (dt.Night.Ticks > 0 && !merker) {
+					span += dt.Night.ToTimeSpan() * .5;
+					merker = true;
+				}
 
-            if (Settings.Version != AppInfo.Current.VersionString.Substring(0, 5)) {
-                InfoEvent?.Invoke(this, "Version: " + Settings.Version + " verfügbar (" + AppInfo.Current.VersionString.Substring(0, 5) + " installiert)");
-            }
-            //_hour = await HoursBase.LoadData();
-            RefreshProperties();
-        } catch (Exception e) {
-            AlertEvent?.Invoke(this, e.Message);
-        }
-    }
+				_soll = Settings.Nominal.Where(w => w.Timetable == dt.TimeTable && w.Wochentag == dt.Wday).ToList();
+				if (_soll.Count > 0)
+				{
+					var soll = TimeOnly.FromTimeSpan(TimeSpan.FromHours(_soll[0].Zeit));
+					await MainThread.InvokeOnMainThreadAsync(() => Sollstunden = soll);
+				}
+			}
+
+			var total = TimeOnly.FromTimeSpan(span);
+			await MainThread.InvokeOnMainThreadAsync(() => DayTotal = total);
+
+			//Nach der Tagessumme die anderen Tage anhängen
+			if (DayTimes != null) {
+				var more = await _hoursService.GetDayRangeAsync(date, date.AddDays(3));
+				if (more != null && more.Count > 0)
+				{
+					await MainThread.InvokeOnMainThreadAsync(() =>
+						DayTimes = DayTimes.Concat(more).ToList()
+					);
+				}
+			}
+		} catch (Exception e) {
+			
+			await MainThread.InvokeOnMainThreadAsync(() =>
+			{
+				DayTimes = new List<DayTime>();
+				//TODO: hier könnte auch ein Fehler kommen, dann wäre InfoEvent falsch.
+
+				if (Settings.Version != null && Settings.Version != AppInfo.Current.VersionString.Substring(0, 5)) {
+					InfoEvent?.Invoke(this,
+						"Version: " + Settings.Version + " verfügbar (" + AppInfo.Current.VersionString.Substring(0, 5) +
+						" installiert)");
+				} else {
+					InfoEvent?.Invoke(this, e.Message);
+				}
+			});
 			
 
-    /// <summary>
-    /// Lädt die Arbeitszeiten für einen Tag
-    /// </summary>
-    public async Task LoadDay(DateTime date) {
-        DayTotal = new TimeOnly(0);
-        Sollstunden = new TimeOnly(0);
-        try {
-            var (dayTimes, settings) = await _hoursService.GetDayWithSettingsAsync(date);
 			
-            DayTimes = dayTimes;
-            Settings = settings;
-            GemeindeAktivSet = Settings.GemeindeAktivSet;
-            ProjektAktivSet = Settings.ProjektAktivSet;
+		} finally {
+			await MainThread.InvokeOnMainThreadAsync(() =>
+			{
+				OnPropertyChanged(nameof(DayTotal));
+				OnPropertyChanged(nameof(Sollstunden));
+				OnPropertyChanged(nameof(DateToday));
+				OnPropertyChanged(nameof(LoadOverview));
+			});
+		}
+	}
 
-            OnPropertyChanged(nameof(GemeindeAktivSet));
-            OnPropertyChanged(nameof(ProjektAktivSet));
+	async void IQueryAttributable.ApplyQueryAttributes(IDictionary<string, object> query) {
+		if (query.ContainsKey("date")) {
+			await LoadDay(Convert.ToDateTime(query["date"]));
+		}
+	}
 
-            List<Sollstunden> _soll;
-            TimeSpan span = TimeSpan.Zero;
-            bool merker = false;
-            foreach (DayTime dt in DayTimes) {
-                span += dt.End - dt.Begin;
-                //Nachtstunden dazurechnen
-                if (dt.Night.Ticks > 0 && !merker) {
-                    span += dt.Night.ToTimeSpan() * .5;
-                    merker = true;
-                }
-                _soll = Settings.Nominal.Where(w => w.Timetable == dt.TimeTable && w.Wochentag == dt.Wday).ToList();
-                if (_soll.Count > 0)
-                    Sollstunden = TimeOnly.FromTimeSpan(TimeSpan.FromHours(_soll[0].Zeit));
-            }
-            DayTotal = TimeOnly.FromTimeSpan(span);
+	/// <summary>
+	/// Seite aktualisieren
+	/// </summary>
+	private async Task RefreshItemsAsync() {
+		IsRefreshing = true;
 
-            //Nach der Tagessumme die anderen Tage anhängen
-            if (DayTimes != null) {
-                var more = await _hoursService.GetDayRangeAsync(date, date.AddDays(3));
-                if (more != null && more.Count > 0)
-                    DayTimes = DayTimes.Concat(more).ToList();
-            }
+		//await Task.Delay(2000); // Simuliert eine Datenaktualisierung
+		await LoadDay(DateToday);
 
-        } catch (Exception e) {
-            DayTimes = new List<DayTime>();
-            //TODO: hier könnte auch ein Fehler kommen, dann wäre InfoEvent falsch.
-
-            if (Settings.Version != null && Settings.Version != AppInfo.Current.VersionString.Substring(0, 5)) {
-                InfoEvent?.Invoke(this, "Version: " + Settings.Version + " verfügbar (" + AppInfo.Current.VersionString.Substring(0, 5) + " installiert)");
-            } else { InfoEvent?.Invoke(this, e.Message); }
-        } finally {
-            OnPropertyChanged(nameof(DayTotal));
-            OnPropertyChanged(nameof(Sollstunden));
-            OnPropertyChanged(nameof(DateToday));
-            OnPropertyChanged(nameof(LoadOverview));
-            //OnPropertyChanged(nameof(DayTimes));
-        }
-    }
-
-    async void IQueryAttributable.ApplyQueryAttributes(IDictionary<string, object> query) {
-        if (query.ContainsKey("date")) {
-            await LoadDay(Convert.ToDateTime(query["date"]));
-        }
-    }
-
-    /// <summary>
-    /// Seite aktualisieren
-    /// </summary>
-    private async Task RefreshItemsAsync() {
-        IsRefreshing = true;
-
-        //await Task.Delay(2000); // Simuliert eine Datenaktualisierung
-        await LoadDay(DateToday);
-
-        IsRefreshing = false;
-    }
-
-    /// <summary>
-    /// Refreshes all properties
-    /// </summary>
-    private void RefreshProperties() {
-        OnPropertyChanged(nameof(Hours));
-        OnPropertyChanged(nameof(Title));
-        OnPropertyChanged(nameof(Nominal));
-        OnPropertyChanged(nameof(Overtime));
-        OnPropertyChanged(nameof(OvertimeMonth));
-        OnPropertyChanged(nameof(Zeitausgleich));
-        OnPropertyChanged(nameof(ZeitCalculated));
-        OnPropertyChanged(nameof(Holiday));
-        OnPropertyChanged(nameof(MinimumDate));
-        OnPropertyChanged(nameof(MaximumDate));
-        OnPropertyChanged(nameof(LoadOverview));
-    }
-
-    protected void OnPropertyChanged([CallerMemberName] string propertyName = null) {
-        try {
-            base.OnPropertyChanged(new PropertyChangedEventArgs(propertyName));
-        } catch (Exception ex) {
-            AlertEvent?.Invoke(this, ex.Message);
-            //Console.WriteLine($"Fehler bei OnPropertyChanged: {ex.Message}");  
-        }
-    }
+		IsRefreshing = false;
+	}
 
+	/// <summary>
+	/// Refreshes all properties
+	/// </summary>
+	private void RefreshProperties() {
+		OnPropertyChanged(nameof(Hours));
+		OnPropertyChanged(nameof(Title));
+		OnPropertyChanged(nameof(Nominal));
+		OnPropertyChanged(nameof(Overtime));
+		OnPropertyChanged(nameof(OvertimeMonth));
+		OnPropertyChanged(nameof(Zeitausgleich));
+		OnPropertyChanged(nameof(ZeitCalculated));
+		OnPropertyChanged(nameof(Holiday));
+		OnPropertyChanged(nameof(MinimumDate));
+		OnPropertyChanged(nameof(MaximumDate));
+		OnPropertyChanged(nameof(LoadOverview));
+	}
 
+	protected void OnPropertyChanged([CallerMemberName] string propertyName = null) {
+		try {
+			base.OnPropertyChanged(new PropertyChangedEventArgs(propertyName));
+		} catch (Exception ex) {
+			AlertEvent?.Invoke(this, ex.Message);
+			//Console.WriteLine($"Fehler bei OnPropertyChanged: {ex.Message}");  
+		}
+	}
 }

Jugenddienst Stunden/Views/AllNotesPage.xaml

@@ -1,4 +1,5 @@
-<?xml version="1.0" encoding="utf-8" ?>
+<?xml version="1.0" encoding="utf-8"?>
+
 <ContentPage xmlns="http://schemas.microsoft.com/dotnet/2021/maui"
              xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
              xmlns:toolkit="http://schemas.microsoft.com/dotnet/2022/maui/toolkit"
@@ -13,7 +14,8 @@
 
     <!-- Add an item to the toolbar -->
     <ContentPage.ToolbarItems>
-        <ToolbarItem Text="Neue Notiz" Command="{Binding NewCommand}" IconImageSource="{FontImage Glyph='+', Color=Black, Size=22}" />
+        <ToolbarItem Text="Neue Notiz" Command="{Binding NewCommand}"
+                     IconImageSource="{FontImage Glyph='+', Color=Black, Size=22}" />
     </ContentPage.ToolbarItems>
 
     <ContentPage.Behaviors>
@@ -23,7 +25,7 @@
     </ContentPage.Behaviors>
 
     <VerticalStackLayout Margin="20,0,0,0">
-        <Label Text="Werden nur lokal gespeichert"/>
+        <Label Text="Werden nur lokal gespeichert" />
 
         <!-- Display notes in a list -->
         <CollectionView x:Name="notesCollection"
@@ -31,7 +33,7 @@
                         Margin="0,20,0,0"
                         SelectionMode="Single"
                         SelectionChangedCommand="{Binding SelectNoteCommand}"
-                    SelectionChangedCommandParameter="{Binding Source={RelativeSource Self}, Path=SelectedItem}">
+                        SelectionChangedCommandParameter="{Binding Source={RelativeSource Self}, Path=SelectedItem}">
 
             <!-- Designate how the collection of items is laid out -->
             <CollectionView.ItemsLayout>
@@ -42,8 +44,8 @@
             <CollectionView.ItemTemplate>
                 <DataTemplate>
                     <StackLayout>
-                        <Label Text="{Binding Text}" FontSize="22"/>
-                        <Label Text="{Binding Date}" FontSize="14" TextColor="Silver"/>
+                        <Label Text="{Binding Text}" FontSize="22" />
+                        <Label Text="{Binding Date}" FontSize="14" TextColor="Silver" />
                     </StackLayout>
                 </DataTemplate>
             </CollectionView.ItemTemplate>

Jugenddienst Stunden/Views/AllNotesPage.xaml.cs

@@ -1,11 +1,8 @@
 namespace Jugenddienst_Stunden.Views;
 
-public partial class AllNotesPage : ContentPage
-{
-	public AllNotesPage()
-	{
+public partial class AllNotesPage : ContentPage {
+	public AllNotesPage() {
 		InitializeComponent();
-
 	}
 
 	private void ContentPage_NavigatedTo(object sender, NavigatedToEventArgs e) {

Jugenddienst Stunden/Views/LoginPage.xaml

@@ -1,4 +1,5 @@
-<?xml version="1.0" encoding="utf-8" ?>
+<?xml version="1.0" encoding="utf-8"?>
+
 <ContentPage xmlns="http://schemas.microsoft.com/dotnet/2021/maui"
              xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
              xmlns:toolkit="http://schemas.microsoft.com/dotnet/2022/maui/toolkit"
@@ -29,20 +30,22 @@
         <VerticalStackLayout Spacing="10" Margin="15,0">
             <Grid>
                 <Grid.ColumnDefinitions>
-                    <ColumnDefinition Width="*"/>
-                    <ColumnDefinition Width="Auto"/>
+                    <ColumnDefinition Width="*" />
+                    <ColumnDefinition Width="Auto" />
                 </Grid.ColumnDefinitions>
                 <HorizontalStackLayout Spacing="5" HorizontalOptions="Start" Grid.Column="0">
                     <Label FontSize="20" FontAttributes="Bold" Text="{Binding AppTitle}" Margin="0,7,0,0" />
                     <Label FontSize="16" Text="{Binding Version}" Margin="0,11,0,0" />
                 </HorizontalStackLayout>
                 <Grid Grid.Column="1" ColumnDefinitions="*,50" ColumnSpacing="10">
-                    <Label Text="Login QR/manuell" VerticalOptions="Center" Grid.Column="0"/>
-                    <Switch x:Name="LoginSwitch" IsToggled="False" Toggled="Switch_Toggled" VerticalOptions="Center" Grid.Column="1"/>
+                    <Label Text="Login QR/manuell" VerticalOptions="Center" Grid.Column="0" />
+                    <Switch x:Name="LoginSwitch" IsToggled="False" Toggled="Switch_Toggled" VerticalOptions="Center"
+                            Grid.Column="1" />
                 </Grid>
             </Grid>
 
-            <Label x:Name="ServerLabel" Text="{Binding Server}" IsVisible="{Binding Server, Converter={StaticResource StringVisibilityConverter}}" />
+            <Label x:Name="ServerLabel" Text="{Binding Server}"
+                   IsVisible="{Binding Server, Converter={StaticResource StringVisibilityConverter}}" />
 
             <VerticalStackLayout x:Name="LoginQR" Margin="0,20,0,0">
                 <Label Text="Login mit QR-Code" FontSize="32" HorizontalOptions="Start" />
@@ -50,10 +53,10 @@
 
                 <Border HeightRequest="300" Padding="0">
                     <zxing:CameraBarcodeReaderView
-                                    x:Name="barcodeScannerView"
-                                    BarcodesDetected="BarcodesDetected"
-                                    HorizontalOptions="FillAndExpand"
-                                    VerticalOptions="FillAndExpand"/>
+                        x:Name="barcodeScannerView"
+                        BarcodesDetected="BarcodesDetected"
+                        HorizontalOptions="FillAndExpand"
+                        VerticalOptions="FillAndExpand" />
                 </Border>
             </VerticalStackLayout>
 
@@ -62,7 +65,8 @@
                 <Entry x:Name="UsernameEntry" Placeholder="Benutzername (Mailadresse)" Keyboard="Email" />
                 <Entry x:Name="PasswordEntry" Placeholder="Passwort" IsPassword="True" />
                 <Entry x:Name="ServerEntry" Placeholder="Server (gleich wie im Browser)" Keyboard="Url" />
-                <Button Text="Login" Clicked="OnLoginButtonClicked" TextColor="{AppThemeBinding Dark={StaticResource White}, Light={StaticResource White}}" />
+                <Button Text="Login" Clicked="OnLoginButtonClicked"
+                        TextColor="{AppThemeBinding Dark={StaticResource White}, Light={StaticResource White}}" />
             </VerticalStackLayout>
         </VerticalStackLayout>
 

Jugenddienst Stunden/Views/LoginPage.xaml.cs

@@ -9,197 +9,195 @@ namespace Jugenddienst_Stunden.Views;
 /// Die Loginseite mit dem Barcodescanner
 /// </summary>
 public partial class LoginPage : ContentPage {
-
-    private DateTime _lastDetectionTime;
-    private readonly TimeSpan _detectionInterval = TimeSpan.FromSeconds(5);
+	private DateTime _lastDetectionTime;
+	private readonly TimeSpan _detectionInterval = TimeSpan.FromSeconds(5);
 
 
-    /// <summary>
-    /// CTOR
-    /// </summary>
-    public LoginPage() {
-        InitializeComponent();
+	/// <summary>
+	/// CTOR
+	/// </summary>
+	public LoginPage() {
+		InitializeComponent();
 
-        barcodeScannerView.Options = new BarcodeReaderOptions {
-            Formats = BarcodeFormat.QrCode,
-            AutoRotate = true,
-            Multiple = false
-        };
+		barcodeScannerView.Options =
+			new BarcodeReaderOptions { Formats = BarcodeFormat.QrCode, AutoRotate = true, Multiple = false };
 
-        //if (BindingContext is LoginViewModel vm) {
-        //	vm.AlertEvent += Vm_AlertEvent;
-        //	vm.InfoEvent += Vm_InfoEvent;
-        //	vm.MsgEvent += Vm_MsgEvent;
-        //}
+		//if (BindingContext is LoginViewModel vm) {
+		//	vm.AlertEvent += Vm_AlertEvent;
+		//	vm.InfoEvent += Vm_InfoEvent;
+		//	vm.MsgEvent += Vm_MsgEvent;
+		//}
 
-        //Zwischen manuellem und automatischem Login (mit QR-Code) umschalten und die Schalterstellung merken
-        bool sqr = true;
-        bool sma = false;
-        if (Preferences.Default.Get("logintype", "") == "manual") {
-            sqr = false;
-            sma = true;
-            LoginSwitch.IsToggled = true;
-            Message.IsVisible = false;
-        } else {
-            LoginSwitch.IsToggled = false;
-            Message.IsVisible = true;
-        }
-        LoginQR.IsVisible = sqr;
-        LoginManual.IsVisible = sma;
-    }
+		//Zwischen manuellem und automatischem Login (mit QR-Code) umschalten und die Schalterstellung merken
+		bool sqr = true;
+		bool sma = false;
+		if (Preferences.Default.Get("logintype", "") == "manual") {
+			sqr = false;
+			sma = true;
+			LoginSwitch.IsToggled = true;
+			Message.IsVisible = false;
+		} else {
+			LoginSwitch.IsToggled = false;
+			Message.IsVisible = true;
+		}
+
+		LoginQR.IsVisible = sqr;
+		LoginManual.IsVisible = sma;
+	}
 
 
-    /// <summary>
-    /// Nach der Erkennung des Barcodes wird der Benutzer eingeloggt
-    /// ZXing.Net.Maui.Controls 0.4.4
-    /// </summary>
-    private void BarcodesDetected(object sender, BarcodeDetectionEventArgs e) {
+	/// <summary>
+	/// Nach der Erkennung des Barcodes wird der Benutzer eingeloggt
+	/// ZXing.Net.Maui.Controls 0.4.4
+	/// </summary>
+	private void BarcodesDetected(object sender, BarcodeDetectionEventArgs e) {
+		var currentTime = DateTime.Now;
+		if ((currentTime - _lastDetectionTime) > _detectionInterval) {
+			_lastDetectionTime = currentTime;
+			foreach (var barcode in e.Results) {
+				if (GlobalVar.ApiKey != barcode.Value) {
+					_ = MainThread.InvokeOnMainThreadAsync(async () => {
+						//await DisplayAlert("Barcode erkannt", $"Barcode: {barcode.Format} - {barcode.Value}", "OK");
 
-        var currentTime = DateTime.Now;
-        if ((currentTime - _lastDetectionTime) > _detectionInterval) {
-            _lastDetectionTime = currentTime;
-            foreach (var barcode in e.Results) {
-                if (GlobalVar.ApiKey != barcode.Value) {
-                    _ = MainThread.InvokeOnMainThreadAsync(async () => {
-                        //await DisplayAlert("Barcode erkannt", $"Barcode: {barcode.Format} - {barcode.Value}", "OK");
+						try {
+							var tokendata = new TokenData(barcode.Value);
+							GlobalVar.ApiUrl = tokendata.Url;
+							User user = await HoursBase.LoadUser(barcode.Value);
 
-                        try {
-                            var tokendata = new TokenData(barcode.Value);
-                            GlobalVar.ApiUrl = tokendata.Url;
-                            User user = await HoursBase.LoadUser(barcode.Value);
+							GlobalVar.ApiKey = barcode.Value;
+							GlobalVar.Name = user.Name;
+							GlobalVar.Surname = user.Surname;
+							GlobalVar.EmployeeId = user.Id;
 
-                            GlobalVar.ApiKey = barcode.Value;
-                            GlobalVar.Name = user.Name;
-                            GlobalVar.Surname = user.Surname;
-                            GlobalVar.EmployeeId = user.Id;
-
-                            Title = user.Name + " " + user.Surname;
-                            //Auf der Loginseite wird der Server als Info ohne Protokoll und ohne /appapi angezeigt
-                            ServerLabel.Text = "Server: " + tokendata.Url.Replace("/appapi", "").Replace("https://", "").Replace("http://", "");
+							Title = user.Name + " " + user.Surname;
+							//Auf der Loginseite wird der Server als Info ohne Protokoll und ohne /appapi angezeigt
+							ServerLabel.Text = "Server: " + tokendata.Url.Replace("/appapi", "").Replace("https://", "")
+								.Replace("http://", "");
 
 
-                            await DisplayAlert("Login erfolgreich", user.Name + " " + user.Surname, "OK");
-                            if (Navigation.NavigationStack.Count > 1) {
-                                //Beim ersten Start ohne Login, wird man automatisch auf die Loginseite geleitet. Danach in der History zur<75>ck
-                                await Navigation.PopAsync();
-                            } else {
-                                //Beim manuellen Wechsel auf die Loginseite leiten wir nach erfolgreichem Login auf die Stunden<65>bersicht
-                                await Shell.Current.GoToAsync($"//StundenPage");
-                            }
+							await DisplayAlert("Login erfolgreich", user.Name + " " + user.Surname, "OK");
+							if (Navigation.NavigationStack.Count > 1) {
+								//Beim ersten Start ohne Login, wird man automatisch auf die Loginseite geleitet. Danach in der History zur<75>ck
+								await Navigation.PopAsync();
+							} else {
+								//Beim manuellen Wechsel auf die Loginseite leiten wir nach erfolgreichem Login auf die Stunden<65>bersicht
+								await Shell.Current.GoToAsync($"//StundenPage");
+							}
+						} catch (Exception e) {
+							await DisplayAlert("Fehler", e.Message, "OK");
+						}
+					});
+				} else {
+					MainThread.InvokeOnMainThreadAsync(() => {
+						DisplayAlert("Bereits eingeloggt",
+							Preferences.Default.Get("name", "") + " " + Preferences.Default.Get("surname", ""),
+							"OK");
+					});
+				}
+			}
+		}
+	}
 
-                        } catch (Exception e) {
-                            await DisplayAlert("Fehler", e.Message, "OK");
-                        }
+	protected override void OnDisappearing() {
+		base.OnDisappearing();
 
-                    });
-                } else {
-                    MainThread.InvokeOnMainThreadAsync(() => {
-                        DisplayAlert("Bereits eingeloggt",
-                            Preferences.Default.Get("name", "") + " " + Preferences.Default.Get("surname", ""),
-                            "OK");
-                    });
-                }
-            }
-        }
+		barcodeScannerView.CameraLocation = CameraLocation.Front;
+		barcodeScannerView.IsDetecting = false;
+	}
 
-    }
+	protected override void OnAppearing() {
+		base.OnAppearing();
 
-    protected override void OnDisappearing() {
-        base.OnDisappearing();
+		barcodeScannerView.IsDetecting = true;
+		barcodeScannerView.CameraLocation = CameraLocation.Rear;
+	}
 
-        barcodeScannerView.CameraLocation = CameraLocation.Front;
-        barcodeScannerView.IsDetecting = false;
-    }
+	public bool IsCameraAvailable() {
+		var status = Permissions.CheckStatusAsync<Permissions.Camera>().Result;
+		if (status != PermissionStatus.Granted) {
+			status = Permissions.RequestAsync<Permissions.Camera>().Result;
+		}
 
-    protected override void OnAppearing() {
-        base.OnAppearing();
+		return status != PermissionStatus.Granted;
+	}
 
-        barcodeScannerView.IsDetecting = true;
-        barcodeScannerView.CameraLocation = CameraLocation.Rear;
-    }
-
-    public bool IsCameraAvailable() {
-        var status = Permissions.CheckStatusAsync<Permissions.Camera>().Result;
-        if (status != PermissionStatus.Granted) {
-            status = Permissions.RequestAsync<Permissions.Camera>().Result;
-        }
-        return status != PermissionStatus.Granted;
-    }
-
-    private async void OnLoginButtonClicked(object sender, EventArgs e) {
-        var username = UsernameEntry.Text;
-        var password = PasswordEntry.Text;
-        var server = ServerEntry.Text;
+	private async void OnLoginButtonClicked(object sender, EventArgs e) {
+		var username = UsernameEntry.Text;
+		var password = PasswordEntry.Text;
+		var server = ServerEntry.Text;
 
 
-        if (string.IsNullOrEmpty(username) || string.IsNullOrEmpty(password) || string.IsNullOrEmpty(server)) {
-            await DisplayAlert("Fehler", "Bitte alle Felder ausf<73>llen", "OK");
-            return;
-        }
-        try {
-            Uri uri = new Uri(InputUrlWithSchema(server));
+		if (string.IsNullOrEmpty(username) || string.IsNullOrEmpty(password) || string.IsNullOrEmpty(server)) {
+			await DisplayAlert("Fehler", "Bitte alle Felder ausf<73>llen", "OK");
+			return;
+		}
 
-            Types.User response = await BaseFunc.AuthUserPass(username, password, uri.Scheme + "://" + uri.Authority + "/appapi");
+		try {
+			Uri uri = new Uri(InputUrlWithSchema(server));
 
-            GlobalVar.ApiKey = response.Token;
-            GlobalVar.Name = response.Name;
-            GlobalVar.Surname = response.Surname;
-            GlobalVar.EmployeeId = response.Id;
-            GlobalVar.ApiUrl = uri.Scheme + "://" + uri.Authority + "/appapi";
+			Types.User response =
+				await BaseFunc.AuthUserPass(username, password, uri.Scheme + "://" + uri.Authority + "/appapi");
 
-            Title = response.Name + " " + response.Surname;
-            //ServerLabel.Text = "Server: " + server.Replace("/appapi", "").Replace("https://", "").Replace("http://", "");
-            ServerLabel.Text = "Server: " + uri.Authority;
+			GlobalVar.ApiKey = response.Token;
+			GlobalVar.Name = response.Name;
+			GlobalVar.Surname = response.Surname;
+			GlobalVar.EmployeeId = response.Id;
+			GlobalVar.ApiUrl = uri.Scheme + "://" + uri.Authority + "/appapi";
 
-            await DisplayAlert("Login erfolgreich", response.Name + " " + response.Surname, "OK");
-            if (Navigation.NavigationStack.Count > 1)
-                await Navigation.PopAsync();
-            else {
-                await Shell.Current.GoToAsync($"//StundenPage");
-            }
-        } catch (Exception ex) {
-            await DisplayAlert("Fehler", ex.Message, "OK");
-        }
-    }
+			Title = response.Name + " " + response.Surname;
+			//ServerLabel.Text = "Server: " + server.Replace("/appapi", "").Replace("https://", "").Replace("http://", "");
+			ServerLabel.Text = "Server: " + uri.Authority;
 
-    /// <summary>
-    /// Aus einer URL ohne Schema eine URL mit Schema machen
-    /// </summary>
-    private static string InputUrlWithSchema(string url) {
-        if (!url.StartsWith("http://") && !url.StartsWith("https://")) {
-            url = "https://" + url;
-        }
-        if (url.StartsWith("http://")) {
-            url = url.Replace("http://", "https://");
-        }
-        return url;
-    }
+			await DisplayAlert("Login erfolgreich", response.Name + " " + response.Surname, "OK");
+			if (Navigation.NavigationStack.Count > 1)
+				await Navigation.PopAsync();
+			else {
+				await Shell.Current.GoToAsync($"//StundenPage");
+			}
+		} catch (Exception ex) {
+			await DisplayAlert("Fehler", ex.Message, "OK");
+		}
+	}
 
-    //Zwischen manuellem und automatischem Login (mit QR-Code) umschalten und die Schalterstellung merken
-    private void Switch_Toggled(object sender, ToggledEventArgs e) {
-        var switcher = (Switch)sender;
+	/// <summary>
+	/// Aus einer URL ohne Schema eine URL mit Schema machen
+	/// </summary>
+	private static string InputUrlWithSchema(string url) {
+		if (!url.StartsWith("http://") && !url.StartsWith("https://")) {
+			url = "https://" + url;
+		}
 
-        if (switcher.IsToggled) {
-            LoginQR.IsVisible = false;
-            LoginManual.IsVisible = true;
-            Message.IsVisible = false;
-            Preferences.Default.Set("logintype", "manual");
-        } else {
-            LoginQR.IsVisible = true;
-            LoginManual.IsVisible = false;
-            Message.IsVisible = true;
-            Preferences.Default.Set("logintype", "qr");
-        }
+		if (url.StartsWith("http://")) {
+			url = url.Replace("http://", "https://");
+		}
 
-    }
+		return url;
+	}
 
-    //private void Vm_AlertEvent(object? sender, string e) {
-    //	DisplayAlert("Fehler:", e, "OK");
-    //}
-    //private void Vm_InfoEvent(object? sender, string e) {
-    //	DisplayAlert("Information:", e, "OK");
-    //}
-    //private async Task Vm_MsgEvent(string title, string message) {
-    //	await DisplayAlert(title, message, "OK");
-    //}
+	//Zwischen manuellem und automatischem Login (mit QR-Code) umschalten und die Schalterstellung merken
+	private void Switch_Toggled(object sender, ToggledEventArgs e) {
+		var switcher = (Switch)sender;
+
+		if (switcher.IsToggled) {
+			LoginQR.IsVisible = false;
+			LoginManual.IsVisible = true;
+			Message.IsVisible = false;
+			Preferences.Default.Set("logintype", "manual");
+		} else {
+			LoginQR.IsVisible = true;
+			LoginManual.IsVisible = false;
+			Message.IsVisible = true;
+			Preferences.Default.Set("logintype", "qr");
+		}
+	}
+
+	//private void Vm_AlertEvent(object? sender, string e) {
+	//	DisplayAlert("Fehler:", e, "OK");
+	//}
+	//private void Vm_InfoEvent(object? sender, string e) {
+	//	DisplayAlert("Information:", e, "OK");
+	//}
+	//private async Task Vm_MsgEvent(string title, string message) {
+	//	await DisplayAlert(title, message, "OK");
+	//}
 }

Jugenddienst Stunden/Views/NotePage.xaml

@@ -1,4 +1,5 @@
-<?xml version="1.0" encoding="utf-8" ?>
+<?xml version="1.0" encoding="utf-8"?>
+
 <ContentPage xmlns="http://schemas.microsoft.com/dotnet/2021/maui"
              xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
              xmlns:toolkit="http://schemas.microsoft.com/dotnet/2022/maui/toolkit"

Jugenddienst Stunden/Views/NotePage.xaml.cs

@@ -4,7 +4,6 @@ namespace Jugenddienst_Stunden.Views;
 /// Einzelne Notiz
 /// </summary>
 public partial class NotePage : ContentPage {
-
 	/// <summary>
 	/// CTOR
 	/// </summary>

Jugenddienst Stunden/Views/StundePage.xaml

@@ -1,4 +1,5 @@
-<?xml version="1.0" encoding="utf-8" ?>
+<?xml version="1.0" encoding="utf-8"?>
+
 <ContentPage xmlns="http://schemas.microsoft.com/dotnet/2021/maui"
              xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
              xmlns:toolkit="http://schemas.microsoft.com/dotnet/2022/maui/toolkit"
@@ -31,20 +32,26 @@
         <Border>
             <Border.Padding>
                 <OnPlatform x:TypeArguments="Thickness" Default="0,15,10,0">
-                    <On Platform="Android" Value="0,4,10,8"/>
-                    <On Platform="WPF" Value="0,15,10,0"/>
+                    <On Platform="Android" Value="0,4,10,8" />
+                    <On Platform="WPF" Value="0,15,10,0" />
                 </OnPlatform>
             </Border.Padding>
 
             <FlexLayout Direction="Row" AlignItems="Start" Wrap="Wrap" JustifyContent="SpaceBetween">
                 <HorizontalStackLayout Spacing="10">
-                    <Label Text="Beginn" VerticalTextAlignment="Center" HorizontalTextAlignment="End" MinimumWidthRequest="60"></Label>
-                    <TimePicker x:Name="TimeBegin" HorizontalOptions="Center" Format="HH:mm" MinimumWidthRequest="80" Time="{Binding DayTime.TimeSpanVon}" />
+                    <Label Text="Beginn" VerticalTextAlignment="Center" HorizontalTextAlignment="End"
+                           MinimumWidthRequest="60">
+                    </Label>
+                    <TimePicker x:Name="TimeBegin" HorizontalOptions="Center" Format="HH:mm" MinimumWidthRequest="80"
+                                Time="{Binding DayTime.TimeSpanVon}" />
                 </HorizontalStackLayout>
 
                 <HorizontalStackLayout Spacing="10">
-                    <Label Text="Ende" VerticalTextAlignment="Center" HorizontalTextAlignment="End" MinimumWidthRequest="60"></Label>
-                    <TimePicker x:Name="TimeEnd" Format="HH:mm" MinimumWidthRequest="80" Time="{Binding DayTime.TimeSpanBis}" />
+                    <Label Text="Ende" VerticalTextAlignment="Center" HorizontalTextAlignment="End"
+                           MinimumWidthRequest="60">
+                    </Label>
+                    <TimePicker x:Name="TimeEnd" Format="HH:mm" MinimumWidthRequest="80"
+                                Time="{Binding DayTime.TimeSpanBis}" />
                 </HorizontalStackLayout>
             </FlexLayout>
         </Border>
@@ -52,8 +59,8 @@
         <Border>
             <Border.Padding>
                 <OnPlatform x:TypeArguments="Thickness" Default="5">
-                    <On Platform="Android" Value="5,4,5,8"/>
-                    <On Platform="WPF" Value="5"/>
+                    <On Platform="Android" Value="5,4,5,8" />
+                    <On Platform="WPF" Value="5" />
                 </OnPlatform>
             </Border.Padding>
             <!--<Grid ColumnDefinitions="*,*,*">
@@ -65,16 +72,23 @@
                 </Picker>
             </Grid>-->
             <HorizontalStackLayout>
-                <Picker x:Name="pick_gemeinde" Title="Gemeinde" ItemsSource="{Binding OptionsGemeinde}" SelectedItem="{Binding DayTime.GemeindeAktiv, Mode=TwoWay}" ItemDisplayBinding="{Binding Name}" IsVisible="{Binding GemeindeAktivSet}">
+                <Picker x:Name="pick_gemeinde" Title="Gemeinde" ItemsSource="{Binding OptionsGemeinde}"
+                        SelectedItem="{Binding DayTime.GemeindeAktiv, Mode=TwoWay}" ItemDisplayBinding="{Binding Name}"
+                        IsVisible="{Binding GemeindeAktivSet}">
                 </Picker>
-                <Picker x:Name="pick_projekt" Title="Projekt" ItemsSource="{Binding OptionsProjekt}" SelectedItem="{Binding DayTime.ProjektAktiv, Mode=TwoWay}" ItemDisplayBinding="{Binding Name}" IsVisible="{Binding ProjektAktivSet}">
+                <Picker x:Name="pick_projekt" Title="Projekt" ItemsSource="{Binding OptionsProjekt}"
+                        SelectedItem="{Binding DayTime.ProjektAktiv, Mode=TwoWay}" ItemDisplayBinding="{Binding Name}"
+                        IsVisible="{Binding ProjektAktivSet}">
                 </Picker>
-                <Picker x:Name="pick_freistellung" Title="Freistellung" ItemsSource="{Binding OptionsFreistellung}" SelectedItem="{Binding DayTime.FreistellungAktiv, Mode=TwoWay}" ItemDisplayBinding="{Binding Name}" IsEnabled="{Binding FreistellungEnabled}">
+                <Picker x:Name="pick_freistellung" Title="Freistellung" ItemsSource="{Binding OptionsFreistellung}"
+                        SelectedItem="{Binding DayTime.FreistellungAktiv, Mode=TwoWay}"
+                        ItemDisplayBinding="{Binding Name}" IsEnabled="{Binding FreistellungEnabled}">
                 </Picker>
             </HorizontalStackLayout>
         </Border>
 
-        <Editor  Placeholder="Beschreibung" Text="{Binding DayTime.Description}" MinimumHeightRequest="40" AutoSize="TextChanges" FontSize="18" />
+        <Editor Placeholder="Beschreibung" Text="{Binding DayTime.Description}" MinimumHeightRequest="40"
+                AutoSize="TextChanges" FontSize="18" />
 
         <Grid ColumnDefinitions="*,*" ColumnSpacing="4">
             <Button Grid.Column="1" Text="Speichern"
@@ -85,15 +99,18 @@
                     IsEnabled="{Binding DayTime.Id, Converter={StaticResource IntBoolConverter}}"
                     IsVisible="{Binding FreistellungEnabled}"
                     BackgroundColor="{StaticResource Gray500}"
-                    TextColor="{AppThemeBinding Dark={StaticResource White}, Light={StaticResource White}}"/>
+                    TextColor="{AppThemeBinding Dark={StaticResource White}, Light={StaticResource White}}" />
         </Grid>
 
 
         <BoxView HeightRequest="1" Margin="3,10" />
 
-        <Label Text="Noch keine Einträge vorhanden" IsVisible="{Binding DayTimes, Converter={StaticResource CollectionVisibilityConverter}, ConverterParameter=Invert}" Margin="6,0,0,0"/>
+        <Label Text="Noch keine Einträge vorhanden"
+               IsVisible="{Binding DayTimes, Converter={StaticResource CollectionVisibilityConverter}, ConverterParameter=Invert}"
+               Margin="6,0,0,0" />
 
-        <StackLayout Margin="6,0,0,0" IsVisible="{Binding DayTimes, Converter={StaticResource CollectionVisibilityConverter}}">
+        <StackLayout Margin="6,0,0,0"
+                     IsVisible="{Binding DayTimes, Converter={StaticResource CollectionVisibilityConverter}}">
             <Label>
                 <Label.FormattedText>
                     <FormattedString>
@@ -106,12 +123,12 @@
 
         <ScrollView IsVisible="{Binding DayTimes, Converter={StaticResource CollectionVisibilityConverter}}">
             <CollectionView
-        ItemsSource="{Binding DayTimes}" 
-        x:Name="stundeItems" Margin="0"
-        HeightRequest="350"
-        SelectionMode="Single"
-        SelectionChangedCommand="{Binding SelectEntryCommand}"
-        SelectionChangedCommandParameter="{Binding Source={RelativeSource Self}, Path=SelectedItem}">
+                ItemsSource="{Binding DayTimes}"
+                x:Name="stundeItems" Margin="0"
+                HeightRequest="350"
+                SelectionMode="Single"
+                SelectionChangedCommand="{Binding SelectEntryCommand}"
+                SelectionChangedCommandParameter="{Binding Source={RelativeSource Self}, Path=SelectedItem}">
 
                 <CollectionView.ItemsLayout>
                     <LinearItemsLayout Orientation="Vertical" ItemSpacing="0" />
@@ -129,15 +146,18 @@
                                 <ColumnDefinition Width="*" />
                             </Grid.ColumnDefinitions>
                             <HorizontalStackLayout Grid.Row="0" Grid.Column="0">
-                                <Label Grid.Column="0" Text="{Binding Begin}"/>
-                                <Label Text="bis" Padding="5,0,5,0"/>
-                                <Label Text="{Binding End}"/>
-                                <Label Text="{Binding GemeindeAktiv.Name}" Margin="10,0,0,0" IsVisible="{Binding Source={RelativeSource AncestorType={x:Type ContentPage}}, Path=BindingContext.GemeindeAktivSet}"/>
-                                <Label Text="{Binding ProjektAktiv.Name}" Margin="10,0,0,0" IsVisible="{Binding Source={RelativeSource AncestorType={x:Type ContentPage}}, Path=BindingContext.ProjektAktivSet}"/>
-                                <Label Text="{Binding FreistellungAktiv.Name}" Margin="10,0,0,0"/>
+                                <Label Grid.Column="0" Text="{Binding Begin}" />
+                                <Label Text="bis" Padding="5,0,5,0" />
+                                <Label Text="{Binding End}" />
+                                <Label Text="{Binding GemeindeAktiv.Name}" Margin="10,0,0,0"
+                                       IsVisible="{Binding Source={RelativeSource AncestorType={x:Type ContentPage}}, Path=BindingContext.GemeindeAktivSet}" />
+                                <Label Text="{Binding ProjektAktiv.Name}" Margin="10,0,0,0"
+                                       IsVisible="{Binding Source={RelativeSource AncestorType={x:Type ContentPage}}, Path=BindingContext.ProjektAktivSet}" />
+                                <Label Text="{Binding FreistellungAktiv.Name}" Margin="10,0,0,0" />
                             </HorizontalStackLayout>
 
-                            <Label Grid.Row="1" Grid.Column="0" Grid.ColumnSpan="2" Text="{Binding Description}" Padding="0,0,0,15"/>
+                            <Label Grid.Row="1" Grid.Column="0" Grid.ColumnSpan="2" Text="{Binding Description}"
+                                   Padding="0,0,0,15" />
                         </Grid>
                     </DataTemplate>
                 </CollectionView.ItemTemplate>

Jugenddienst Stunden/Views/StundePage.xaml.cs

@@ -10,45 +10,43 @@ namespace Jugenddienst_Stunden.Views;
 /// Einzelner Stundeneintrag
 /// </summary>
 public partial class StundePage : ContentPage {
+	/// <summary>
+	/// CTOR
+	/// </summary>
+	public StundePage() {
+		InitializeComponent();
 
-    /// <summary>
-    /// CTOR
-    /// </summary>
-    public StundePage() {
-        InitializeComponent();
+		if (BindingContext is StundeViewModel vm) {
+			vm.AlertEvent += Vm_AlertEvent;
+			vm.InfoEvent += Vm_InfoEvent;
+			vm.ConfirmEvent += ShowConfirm;
+		}
+	}
 
-        if (BindingContext is StundeViewModel vm) {
-            vm.AlertEvent += Vm_AlertEvent;
-            vm.InfoEvent += Vm_InfoEvent;
-            vm.ConfirmEvent += ShowConfirm;
-        }
-    }
+	private void Vm_AlertEvent(object? sender, string e) {
+		DisplayAlert("Fehler:", e, "OK");
+	}
 
-    private void Vm_AlertEvent(object? sender, string e) {
-        DisplayAlert("Fehler:", e, "OK");
-    }
+	private async Task<bool> ShowConfirm(string title, string message) {
+		return await DisplayAlert(title, message, "Passt!", "Na, nor decht nit.");
+	}
 
-    private async Task<bool> ShowConfirm(string title, string message) {
-        return await DisplayAlert(title, message, "Passt!", "Na, nor decht nit.");
-    }
+	private void Vm_InfoEvent(object? sender, string e) {
+		MainThread.BeginInvokeOnMainThread(async () => {
+			CancellationTokenSource cts = new CancellationTokenSource();
+			ToastDuration duration = ToastDuration.Short;
+			double fontSize = 20;
+			var toast = Toast.Make(e, duration, fontSize);
+			await toast.Show(cts.Token);
+		});
+	}
 
-    private void Vm_InfoEvent(object? sender, string e) {
-        MainThread.BeginInvokeOnMainThread(async () => {
-            CancellationTokenSource cts = new CancellationTokenSource();
-            ToastDuration duration = ToastDuration.Short;
-            double fontSize = 20;
-            var toast = Toast.Make(e, duration, fontSize);
-            await toast.Show(cts.Token);
-        });
-    }
-
-    //private async Task<bool> ShowConfirm(string title, string message, string ok, string not_ok) {
-    //    return await DisplayAlert(title, message, ok, not_ok);
-    //}
-
-    //private async void ShowConfirm(object? sender, ConfirmEventArgs e) {
-    //    bool result = await DisplayAlert(e.Title, e.Message, e.Ok, e.NotOk);
-    //    e.Result = result;
-    //}
+	//private async Task<bool> ShowConfirm(string title, string message, string ok, string not_ok) {
+	//    return await DisplayAlert(title, message, ok, not_ok);
+	//}
 
+	//private async void ShowConfirm(object? sender, ConfirmEventArgs e) {
+	//    bool result = await DisplayAlert(e.Title, e.Message, e.Ok, e.NotOk);
+	//    e.Result = result;
+	//}
 }

Jugenddienst Stunden/Views/StundenPage.xaml

@@ -1,4 +1,5 @@
-<?xml version="1.0" encoding="utf-8" ?>
+<?xml version="1.0" encoding="utf-8"?>
+
 <ContentPage xmlns="http://schemas.microsoft.com/dotnet/2021/maui"
              xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
              xmlns:toolkit="http://schemas.microsoft.com/dotnet/2022/maui/toolkit"
@@ -8,17 +9,14 @@
              x:Class="Jugenddienst_Stunden.Views.StundenPage"
              Title="{Binding Title}">
 
-    <ContentPage.BindingContext>
-        <models:StundenViewModel />
-    </ContentPage.BindingContext>
 
     <ContentPage.Resources>
         <ResourceDictionary>
             <conv:SecondsTimeConverter x:Key="secToTime" />
             <FontImageSource x:Key="ToolbarIcon"
-                         Glyph="+"
-                         Size="22"
-                         Color="{AppThemeBinding Light={StaticResource Black}, Dark={StaticResource White}}"/>
+                             Glyph="+"
+                             Size="22"
+                             Color="{AppThemeBinding Light={StaticResource Black}, Dark={StaticResource White}}" />
         </ResourceDictionary>
     </ContentPage.Resources>
 
@@ -30,21 +28,23 @@
 
     <ContentPage.ToolbarItems>
         <!--<ToolbarItem Text="Lade Liste" Command="{Binding RefreshListCommand}"/>-->
-        <ToolbarItem Text="Neuer Eintrag" IconImageSource="{StaticResource ToolbarIcon}" Command="{Binding NewEntryCommand}" />
+        <ToolbarItem Text="Neuer Eintrag" IconImageSource="{StaticResource ToolbarIcon}"
+                     Command="{Binding NewEntryCommand}" />
     </ContentPage.ToolbarItems>
 
-    <RefreshView x:Name="MyRefreshView" Command="{Binding RefreshCommand}" IsRefreshing="{Binding IsRefreshing}" Margin="10" Padding="10">
+    <RefreshView x:Name="MyRefreshView" Command="{Binding RefreshCommand}" IsRefreshing="{Binding IsRefreshing}"
+                 Margin="10" Padding="10">
         <Grid RowDefinitions="50,*,Auto,80">
-        <!--<VerticalStackLayout Spacing="10" Margin="10">-->
+            <!--<VerticalStackLayout Spacing="10" Margin="10">-->
 
             <Grid RowDefinitions="Auto" ColumnDefinitions="Auto,*" HeightRequest="50" Grid.Row="0">
                 <DatePicker Grid.Column="0" MinimumDate="{Binding MinimumDate}"
-            MaximumDate="{Binding MaximumDate}"
-            Date="{Binding DateToday}" Format="dddd, d. MMMM yyyy" />
+                            MaximumDate="{Binding MaximumDate}"
+                            Date="{Binding DateToday}" Format="dddd, d. MMMM yyyy" />
                 <Border Grid.Column="1" Margin="15,0,0,0" Padding="15,0,0,0" ToolTipProperties.Text="Tagessumme">
                     <HorizontalStackLayout>
                         <Label Text="{Binding DayTotal,StringFormat='{}{0:HH:mm}'}" VerticalOptions="Center"></Label>
-                        <Label Text="/" VerticalOptions="Center" Margin="3,0"/>
+                        <Label Text="/" VerticalOptions="Center" Margin="3,0" />
                         <Label Text="{Binding Sollstunden,StringFormat='{}{0:HH:mm}'}" VerticalOptions="Center"></Label>
                     </HorizontalStackLayout>
                 </Border>
@@ -72,27 +72,29 @@
                                 <VisualStateGroup Name="CommonStates">
                                     <VisualState Name="Normal">
                                         <VisualState.Setters>
-                                            <Setter Property="BackgroundColor" Value="{AppThemeBinding Light={StaticResource White}, Dark={StaticResource TransparentColor}}" />
+                                            <Setter Property="BackgroundColor"
+                                                    Value="{AppThemeBinding Light={StaticResource White}, Dark={StaticResource TransparentColor}}" />
                                         </VisualState.Setters>
                                     </VisualState>
                                     <VisualState Name="Selected">
                                         <VisualState.Setters>
-                                            <Setter Property="BackgroundColor" Value="{AppThemeBinding Light={StaticResource Primary}, Dark={StaticResource PrimaryDark}}" />
+                                            <Setter Property="BackgroundColor"
+                                                    Value="{AppThemeBinding Light={StaticResource Primary}, Dark={StaticResource PrimaryDark}}" />
                                         </VisualState.Setters>
                                     </VisualState>
                                 </VisualStateGroup>
                             </VisualStateManager.VisualStateGroups>
 
 
-
                             <HorizontalStackLayout>
                                 <HorizontalStackLayout.Triggers>
-                                    <DataTrigger TargetType="HorizontalStackLayout" Binding="{Binding Approved}" Value="True">
+                                    <DataTrigger TargetType="HorizontalStackLayout" Binding="{Binding Approved}"
+                                                 Value="True">
                                         <Setter Property="BackgroundColor" Value="LightCoral" />
-                                        <Setter Property="Padding" Value="4"/>
+                                        <Setter Property="Padding" Value="4" />
                                     </DataTrigger>
                                 </HorizontalStackLayout.Triggers>
-                                <Label Text="{Binding Day, StringFormat='{0:dddd, dd. MMMM}'}"/>
+                                <Label Text="{Binding Day, StringFormat='{0:dddd, dd. MMMM}'}" />
                                 <Label Text="von" Padding="5,0,5,0" />
                                 <Label Text="{Binding Begin}" />
                                 <Label Text="bis" Padding="5,0,5,0" />
@@ -101,17 +103,20 @@
 
                             <HorizontalStackLayout HorizontalOptions="FillAndExpand">
                                 <HorizontalStackLayout.Triggers>
-                                    <DataTrigger TargetType="HorizontalStackLayout" Binding="{Binding Approved}" Value="True">
+                                    <DataTrigger TargetType="HorizontalStackLayout" Binding="{Binding Approved}"
+                                                 Value="True">
                                         <Setter Property="BackgroundColor" Value="LightCoral" />
-                                        <Setter Property="Padding" Value="4"/>
+                                        <Setter Property="Padding" Value="4" />
                                     </DataTrigger>
                                 </HorizontalStackLayout.Triggers>
-                                <Label Text="{Binding GemeindeAktiv.Name}" Margin="0,0,10,0" IsVisible="{Binding Source={RelativeSource AncestorType={x:Type ContentPage}}, Path=BindingContext.GemeindeAktivSet}"  />
-                                <Label Text="{Binding ProjektAktiv.Name}" Margin="0,0,10,0" IsVisible="{Binding Source={RelativeSource AncestorType={x:Type ContentPage}}, Path=BindingContext.ProjektAktivSet}" />
+                                <Label Text="{Binding GemeindeAktiv.Name}" Margin="0,0,10,0"
+                                       IsVisible="{Binding Source={RelativeSource AncestorType={x:Type ContentPage}}, Path=BindingContext.GemeindeAktivSet}" />
+                                <Label Text="{Binding ProjektAktiv.Name}" Margin="0,0,10,0"
+                                       IsVisible="{Binding Source={RelativeSource AncestorType={x:Type ContentPage}}, Path=BindingContext.ProjektAktivSet}" />
                                 <Label Text="{Binding FreistellungAktiv.Name}" IsVisible="{Binding Approved}" />
                             </HorizontalStackLayout>
 
-                            <Label Text="{Binding Description}" Padding="0,0,0,15"/>
+                            <Label Text="{Binding Description}" Padding="0,0,0,15" />
                         </VerticalStackLayout>
                     </DataTemplate>
                 </CollectionView.ItemTemplate>
@@ -133,12 +138,20 @@
                     <Label Grid.Row="1" Grid.Column="2" Text="Zeitausgleich:" Margin="15,0,0,0" />
                     <Label Grid.Row="2" Grid.Column="2" Text="Resturlaub:" Margin="15,0,0,0" />
 
-                    <Label Grid.Row="0" Grid.Column="1" HorizontalTextAlignment="End" Padding="0,0,5,0" Text="{Binding Nominal, Converter={StaticResource secToTime}}" ToolTipProperties.Text="Sollstunden" />
-                    <Label Grid.Row="1" Grid.Column="1" HorizontalTextAlignment="End" Padding="0,0,5,0" Text="{Binding ZeitCalculated, Converter={StaticResource secToTime}}" ToolTipProperties.Text="Geleistete Stunden" />
-                    <Label Grid.Row="2" Grid.Column="1" HorizontalTextAlignment="End" Padding="0,0,5,0" Text="{Binding OvertimeMonth, Converter={StaticResource secToTime}}" />
-                    <Label Grid.Row="0" Grid.Column="3" HorizontalTextAlignment="End" Padding="0,0,5,0" Text="{Binding Overtime, Converter={StaticResource secToTime}}" />
-                    <Label Grid.Row="1" Grid.Column="3" HorizontalTextAlignment="End" Padding="0,0,5,0" Text="{Binding Zeitausgleich, Converter={StaticResource secToTime}}" />
-                    <Label Grid.Row="2" Grid.Column="3" HorizontalTextAlignment="End" Padding="0,0,5,0" Text="{Binding Holiday, Converter={StaticResource secToTime}}" />
+                    <Label Grid.Row="0" Grid.Column="1" HorizontalTextAlignment="End" Padding="0,0,5,0"
+                           Text="{Binding Nominal, Converter={StaticResource secToTime}}"
+                           ToolTipProperties.Text="Sollstunden" />
+                    <Label Grid.Row="1" Grid.Column="1" HorizontalTextAlignment="End" Padding="0,0,5,0"
+                           Text="{Binding ZeitCalculated, Converter={StaticResource secToTime}}"
+                           ToolTipProperties.Text="Geleistete Stunden" />
+                    <Label Grid.Row="2" Grid.Column="1" HorizontalTextAlignment="End" Padding="0,0,5,0"
+                           Text="{Binding OvertimeMonth, Converter={StaticResource secToTime}}" />
+                    <Label Grid.Row="0" Grid.Column="3" HorizontalTextAlignment="End" Padding="0,0,5,0"
+                           Text="{Binding Overtime, Converter={StaticResource secToTime}}" />
+                    <Label Grid.Row="1" Grid.Column="3" HorizontalTextAlignment="End" Padding="0,0,5,0"
+                           Text="{Binding Zeitausgleich, Converter={StaticResource secToTime}}" />
+                    <Label Grid.Row="2" Grid.Column="3" HorizontalTextAlignment="End" Padding="0,0,5,0"
+                           Text="{Binding Holiday, Converter={StaticResource secToTime}}" />
                 </Grid>
             </Border>
 

Jugenddienst Stunden/Views/StundenPage.xaml.cs

@@ -9,60 +9,80 @@ namespace Jugenddienst_Stunden.Views;
 /// Code-Behind f<>r die Stunden-<2D>bersicht
 /// </summary>
 public partial class StundenPage : ContentPage {
+	/// <summary>
+	/// CTOR (f<>r Shell/XAML DataTemplate erforderlich)
+	/// </summary>
+	public StundenPage() : this(
+		(Application.Current?.Handler?.MauiContext?.Services
+		 ?? throw new InvalidOperationException("DI container ist nicht verf<72>gbar."))
+		.GetRequiredService<StundenViewModel>()) {
+	}
 
-    /// <summary>
-    /// CTOR
-    /// </summary>
-    public StundenPage() {
-        InitializeComponent();
+	/// <summary>
+	/// CTOR (DI)
+	/// </summary>
+	public StundenPage(StundenViewModel vm) {
+		InitializeComponent();
+		BindingContext = vm;
 
-        if (BindingContext is StundenViewModel vm) {
-            vm.AlertEvent += Vm_AlertEvent;
-            vm.InfoEvent += Vm_InfoEvent;
-        }
-        if (!CheckLogin()) {
-            NavigateToTargetPage();
-        }
+		vm.AlertEvent += Vm_AlertEvent;
+		vm.InfoEvent += Vm_InfoEvent;
 
-    }
+		// Navigation NICHT im CTOR ausf<73>hren (Shell/Navigation-Stack ist hier oft noch nicht ?ready?)
+		// if (!CheckLogin()) {
+		// 	NavigateToTargetPage();
+		// }
+	}
 
-    private void Vm_AlertEvent(object? sender, string e) {
-        MainThread.BeginInvokeOnMainThread(async () => {
-            await DisplayAlert("Fehler:", e, "OK");
-        });
-    }
-    //private void Vm_InfoEvent(object? sender, string e) {
-    //    DisplayAlert("Information:", e, "OK");
-    //}
-    //private void Vm_InfoEvent(object? sender, string e) {
-    //    MainThread.BeginInvokeOnMainThread(async () => {
-    //        await DisplayAlert("Information:", e, "OK");
-    //    });
-    //} 
-    private void Vm_InfoEvent(object? sender, string e) {
-        MainThread.BeginInvokeOnMainThread(async () => {
-            CancellationTokenSource cts = new CancellationTokenSource();
-            ToastDuration duration = ToastDuration.Short;
-            double fontSize = 16;
-            var toast = Toast.Make(e, duration, fontSize);
-            await toast.Show(cts.Token);
-        });
-    }
+	private void Vm_AlertEvent(object? sender, string e) {
+		MainThread.BeginInvokeOnMainThread(async () => { await DisplayAlert("Fehler:", e, "OK"); });
+	}
 
-    /// <summary>
-    /// Beim Laden der Seite den Titel setzen
-    /// </summary>
-    protected override void OnAppearing() {
-        base.OnAppearing();
-        Title = Preferences.Default.Get("name", "Nicht") + " " + Preferences.Default.Get("surname", "eingeloggt");
-    }
+	//private void Vm_InfoEvent(object? sender, string e) {
+	//    DisplayAlert("Information:", e, "OK");
+	//}
+	//private void Vm_InfoEvent(object? sender, string e) {
+	//    MainThread.BeginInvokeOnMainThread(async () => {
+	//        await DisplayAlert("Information:", e, "OK");
+	//    });
+	//} 
+	private void Vm_InfoEvent(object? sender, string e) {
+		MainThread.BeginInvokeOnMainThread(async () => {
+			CancellationTokenSource cts = new CancellationTokenSource();
+			ToastDuration duration = ToastDuration.Short;
+			double fontSize = 16;
+			var toast = Toast.Make(e, duration, fontSize);
+			await toast.Show(cts.Token);
+		});
+	}
 
-    private bool CheckLogin() {
-        return Preferences.Default.Get("apiKey", "") != "";
-    }
+	/// <summary>
+	/// Beim Laden der Seite den Titel setzen
+	/// </summary>
+	protected override async void OnAppearing() {
+		base.OnAppearing();
+		Title = Preferences.Default.Get("name", "Nicht") + " " + Preferences.Default.Get("surname", "eingeloggt");
 
-    private async void NavigateToTargetPage() {
-        await Navigation.PushAsync(new LoginPage());
-    }
+		if (!CheckLogin()) {
+			try {
+				await NavigateToTargetPage();
+			} catch (Exception ex) {
+				await DisplayAlert("Fehler:", ex.Message, "OK");
+			}
+		}
+	}
 
+	private bool CheckLogin() {
+		return Preferences.Default.Get("apiKey", "") != "";
+	}
+
+	// private async void NavigateToTargetPage() {
+	// 	await Navigation.PushAsync(new LoginPage());
+	// }
+
+	private Task NavigateToTargetPage() {
+		// Shell-Navigation statt Navigation.PushAsync
+		// Voraussetzung: LoginPage-Route ist in AppShell registriert (Routing.RegisterRoute(...))
+		return Shell.Current.GoToAsync(nameof(Views.LoginPage));
+	}
 }