feat: Implement initial MAUI application structure including AppShell, a TimerPage, and shared UI styles.

Author: ShihaoShenDev

NowPlus.Cross/AppShell.xaml

@@ -8,18 +8,6 @@
     Shell.FlyoutBehavior="Flyout"
     Title="NowPlus.Cross">
 
-    <ShellContent
-        Title="Dashboard"
-        Icon="{StaticResource IconDashboard}"
-        ContentTemplate="{DataTemplate pages:MainPage}"
-        Route="main" />
-
-    <ShellContent
-        Title="Projects"
-        Icon="{StaticResource IconProjects}"
-        ContentTemplate="{DataTemplate pages:ProjectListPage}"
-        Route="projects" />
-
     <ShellContent
         Title="Clock"
         Icon="{StaticResource IconClock}" 
@@ -38,25 +26,4 @@
         ContentTemplate="{DataTemplate pages:TimerPage}"
         Route="timer" />
 
-    <ShellContent
-        Title="Manage Meta"
-        Icon="{StaticResource IconMeta}"
-        ContentTemplate="{DataTemplate pages:ManageMetaPage}"
-        Route="manage" />
-
-    <Shell.FlyoutFooter>
-        <Grid Padding="15">
-            <sf:SfSegmentedControl x:Name="ThemeSegmentedControl" 
-                VerticalOptions="Center" HorizontalOptions="Center" SelectionChanged="SfSegmentedControl_SelectionChanged"
-                SegmentWidth="40" SegmentHeight="40">
-                <sf:SfSegmentedControl.ItemsSource>
-                    <x:Array Type="{x:Type sf:SfSegmentItem}">
-                        <sf:SfSegmentItem ImageSource="{StaticResource IconLight}" SemanticProperties.Description="Light mode"/>
-                        <sf:SfSegmentItem ImageSource="{StaticResource IconDark}" SemanticProperties.Description="Dark mode"/>
-                    </x:Array>
-                </sf:SfSegmentedControl.ItemsSource>
-            </sf:SfSegmentedControl>
-        </Grid>
-    </Shell.FlyoutFooter>
-
 </Shell>

NowPlus.Cross/AppShell.xaml.cs

@@ -9,8 +9,6 @@ public partial class AppShell : Shell
         public AppShell()
         {
             InitializeComponent();
-            var currentTheme = Application.Current!.RequestedTheme;
-            ThemeSegmentedControl.SelectedIndex = currentTheme == AppTheme.Light ? 0 : 1;
         }
         public static async Task DisplaySnackbarAsync(string message)
         {
@@ -43,9 +41,5 @@ public static async Task DisplayToastAsync(string message)
             await toast.Show(cts.Token);
         }
 
-        private void SfSegmentedControl_SelectionChanged(object? sender, Syncfusion.Maui.Toolkit.SegmentedControl.SelectionChangedEventArgs e)
-        {
-            Application.Current!.UserAppTheme = e.NewIndex == 0 ? AppTheme.Light : AppTheme.Dark;
-        }
     }
 }

NowPlus.Cross/MauiProgram.cs

@@ -1,6 +1,8 @@
 using CommunityToolkit.Maui;
 using Microsoft.Extensions.Logging;
 using Syncfusion.Maui.Toolkit.Hosting;
+using NowPlus.Cross.PageModels;
+using NowPlus.Cross.Pages;
 
 namespace NowPlus.Cross
 {
@@ -13,23 +15,6 @@ public static MauiApp CreateMauiApp()
                 .UseMauiApp<App>()
                 .UseMauiCommunityToolkit()
                 .ConfigureSyncfusionToolkit()
-                .ConfigureMauiHandlers(handlers =>
-                {
-#if WINDOWS
-    				Microsoft.Maui.Controls.Handlers.Items.CollectionViewHandler.Mapper.AppendToMapping("KeyboardAccessibleCollectionView", (handler, view) =>
-    				{
-    					handler.PlatformView.SingleSelectionFollowsFocus = false;
-    				});
-
-    				Microsoft.Maui.Handlers.ContentViewHandler.Mapper.AppendToMapping(nameof(Pages.Controls.CategoryChart), (handler, view) =>
-    				{
-    					if (view is Pages.Controls.CategoryChart && handler.PlatformView is Microsoft.Maui.Platform.ContentPanel contentPanel)
-    					{
-    						contentPanel.IsTabStop = true;
-    					}
-    				});
-#endif
-                })
                 .ConfigureFonts(fonts =>
                 {
                     fonts.AddFont("OpenSans-Regular.ttf", "OpenSansRegular");
@@ -43,15 +28,6 @@ public static MauiApp CreateMauiApp()
     		builder.Services.AddLogging(configure => configure.AddDebug());
 #endif
 
-            builder.Services.AddSingleton<ProjectRepository>();
-            builder.Services.AddSingleton<TaskRepository>();
-            builder.Services.AddSingleton<CategoryRepository>();
-            builder.Services.AddSingleton<TagRepository>();
-            builder.Services.AddSingleton<SeedDataService>();
-            builder.Services.AddSingleton<ModalErrorHandler>();
-            builder.Services.AddSingleton<MainPageModel>();
-            builder.Services.AddSingleton<ProjectListPageModel>();
-            builder.Services.AddSingleton<ManageMetaPageModel>();
             builder.Services.AddSingleton<ClockPageModel>();
             builder.Services.AddSingleton<StopwatchPageModel>();
             builder.Services.AddSingleton<TimerPageModel>();
@@ -60,9 +36,6 @@ public static MauiApp CreateMauiApp()
             builder.Services.AddSingleton<StopwatchPage>();
             builder.Services.AddSingleton<TimerPage>();
 
-            builder.Services.AddTransientWithShellRoute<ProjectDetailPage, ProjectDetailPageModel>("project");
-            builder.Services.AddTransientWithShellRoute<TaskDetailPage, TaskDetailPageModel>("task");
-
             return builder.Build();
         }
     }