[Testing] Feature Matrix UITest Cases for TimePicker Control

src/Controls/tests/TestCases.HostApp/CoreViews/CorePageView.cs

@@ -78,6 +78,7 @@ public override string ToString()
 			new GalleryPageFactory(() => new StepperCoreGalleryPage(), "Stepper Gallery"),
 			new GalleryPageFactory(() => new SwitchCoreGalleryPage(), "Switch Gallery"),
 			new GalleryPageFactory(() => new SwipeViewCoreGalleryPage(), "SwipeView Gallery"),
+			new GalleryPageFactory(() => new TimePickerControlPage(), "Time Picker Feature Matrix"),
 			new GalleryPageFactory(() => new TimePickerCoreGalleryPage(), "Time Picker Gallery"),
 			new GalleryPageFactory(() => new WebViewCoreGalleryPage(), "WebView Gallery"),
 			new GalleryPageFactory(() => new SliderControlPage(), "Slider Feature Matrix"),

src/Controls/tests/TestCases.HostApp/FeatureMatrix/TimePicker/TimePickerControlPage.xaml

@@ -0,0 +1,63 @@
+<?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:local="clr-namespace:Maui.Controls.Sample"
+             x:Class="Maui.Controls.Sample.TimePickerControlMainPage"
+             x:DataType="local:TimePickerViewModel"
+             Title="TimePickerControlPage">
+       <ContentPage.ToolbarItems>
+              <ToolbarItem Text="Options"
+                           Clicked="NavigateToOptionsPage_Clicked"
+                           AutomationId="Options"/>
+       </ContentPage.ToolbarItems>
+
+       <Grid RowDefinitions="*,Auto,Auto,Auto"
+             ColumnDefinitions="0.5*,0.5*">
+              <Grid x:Name="TimePickerGrid"
+                    Grid.Row="0"
+                    Grid.ColumnSpan="2"
+                    VerticalOptions="Center">
+                     <TimePicker AutomationId="TimePickerControl"
+                                 CharacterSpacing="{Binding CharacterSpacing}"
+                                 FlowDirection="{Binding FlowDirection}"
+                                 Format="{Binding Format}"
+                                 FontAttributes="{Binding FontAttributes}"
+                                 FontFamily="{Binding FontFamily}"
+                                 FontSize="{Binding FontSize}"
+                                 IsEnabled="{Binding IsEnabled}"
+                                 IsVisible="{Binding IsVisible}"
+                                 Shadow="{Binding Shadow}"
+                                 Time="{Binding Time}"
+                                 TimeSelected="TimePicker_TimeSelected"
+                                 TextColor="{Binding TextColor}"/>
+              </Grid>
+
+              <Label Grid.Row="1"
+                     Grid.Column="0"
+                     HorizontalOptions="Center"
+                     Text="New Time: "/>
+              <Label Grid.Row="1"
+                     Grid.Column="1"
+                     x:Name="NewTimeSelectedLabel"
+                     AutomationId="NewTimeSelectedLabel"/>
+
+              <Label Grid.Row="2"
+                     Grid.Column="0"
+                     HorizontalOptions="Center"
+                     Text="Old Time: "/>
+              <Label Grid.Row="2"
+                     Grid.Column="1"
+                     x:Name="OldTimeSelectedLabel"
+                     AutomationId="OldTimeSelectedLabel"/>
+
+              <Label Grid.Row="3"
+                     Grid.Column="0"
+                     HorizontalOptions="Center"
+                     Text="Culture Format Display:"/>
+              <Label Grid.Row="3"
+                     Grid.Column="1"
+                     x:Name="CultureFormatLabel"
+                     AutomationId="CultureFormatLabel"
+                     Margin="0,0,0,50"/>
+       </Grid>
+</ContentPage>

src/Controls/tests/TestCases.HostApp/FeatureMatrix/TimePicker/TimePickerControlPage.xaml.cs

@@ -0,0 +1,108 @@
+using System.Globalization;
+using System.Threading;
+
+namespace Maui.Controls.Sample;
+
+public class TimePickerControlPage : NavigationPage
+{
+	private TimePickerViewModel _viewModel;
+
+	public TimePickerControlPage()
+	{
+		_viewModel = new TimePickerViewModel();
+		PushAsync(new TimePickerControlMainPage(_viewModel));
+	}
+}
+
+public partial class TimePickerControlMainPage : ContentPage
+{
+	private TimePickerViewModel _viewModel;
+
+	public TimePickerControlMainPage(TimePickerViewModel viewModel)
+	{
+		InitializeComponent();
+		_viewModel = viewModel;
+		BindingContext = _viewModel;
+
+		// Display initial culture formatting information
+		DisplayCultureSpecificTime(_viewModel.Time, _viewModel.Culture);
+	}
+
+	protected override void OnAppearing()
+	{
+		base.OnAppearing();
+		// Refresh culture display when returning to the page
+		DisplayCultureSpecificTime(_viewModel.Time, _viewModel.Culture);
+	}
+
+	private async void NavigateToOptionsPage_Clicked(object sender, EventArgs e)
+	{
+		// Reset culture to default when navigating to options page
+		_viewModel.Culture = System.Globalization.CultureInfo.CurrentCulture;
+
+		BindingContext = _viewModel = new TimePickerViewModel();
+		ReInitializeTimePicker();
+		await Navigation.PushAsync(new TimePickerOptionsPage(_viewModel));
+	}
+
+	private void ReInitializeTimePicker()
+	{
+		TimePickerGrid.Children.Clear();
+		var timePicker = new TimePicker
+		{
+			AutomationId = "TimePickerControl"
+		};
+		timePicker.SetBinding(TimePicker.CharacterSpacingProperty, new Binding(nameof(TimePickerViewModel.CharacterSpacing)));
+		timePicker.SetBinding(TimePicker.FlowDirectionProperty, new Binding(nameof(TimePickerViewModel.FlowDirection)));
+		timePicker.SetBinding(TimePicker.FormatProperty, new Binding(nameof(TimePickerViewModel.Format)));
+		timePicker.SetBinding(TimePicker.FontAttributesProperty, new Binding(nameof(TimePickerViewModel.FontAttributes)));
+		timePicker.SetBinding(TimePicker.FontFamilyProperty, new Binding(nameof(TimePickerViewModel.FontFamily)));
+		timePicker.SetBinding(TimePicker.FontSizeProperty, new Binding(nameof(TimePickerViewModel.FontSize)));
+		timePicker.SetBinding(TimePicker.IsEnabledProperty, new Binding(nameof(TimePickerViewModel.IsEnabled)));
+		timePicker.SetBinding(TimePicker.IsVisibleProperty, new Binding(nameof(TimePickerViewModel.IsVisible)));
+		timePicker.SetBinding(TimePicker.ShadowProperty, new Binding(nameof(TimePickerViewModel.Shadow)));
+		timePicker.SetBinding(TimePicker.TimeProperty, new Binding(nameof(TimePickerViewModel.Time)));
+		timePicker.TimeSelected += TimePicker_TimeSelected;
+		timePicker.SetBinding(TimePicker.TextColorProperty, new Binding(nameof(TimePickerViewModel.TextColor)));
+
+		// Add property changed handlers for culture/time updates
+		timePicker.PropertyChanged += (s, e) =>
+		{
+			if (e.PropertyName == nameof(TimePicker.Time))
+			{
+				DisplayCultureSpecificTime(timePicker.Time, _viewModel.Culture);
+			}
+		};
+		_viewModel.PropertyChanged += (s, e) =>
+		{
+			if (e.PropertyName == nameof(TimePickerViewModel.Culture))
+			{
+				DisplayCultureSpecificTime(timePicker.Time, _viewModel.Culture);
+			}
+		};
+
+		TimePickerGrid.Children.Add(timePicker);
+	}
+
+	private void DisplayCultureSpecificTime(TimeSpan time, CultureInfo culture)
+	{
+		if (culture != null)
+		{
+			Thread.CurrentThread.CurrentCulture = culture;
+			Thread.CurrentThread.CurrentUICulture = culture;
+
+			CultureInfo.DefaultThreadCurrentCulture = culture;
+			CultureInfo.DefaultThreadCurrentUICulture = culture;
+		}
+		CultureFormatLabel.Text = $"Culture: {culture?.Name}, Time: {DateTime.Today.Add(time).ToString("t", culture)}";
+	}
+
+	private void TimePicker_TimeSelected(object sender, TimeChangedEventArgs e)
+	{
+		if (e.NewTime != e.OldTime)
+		{
+			NewTimeSelectedLabel.Text = e.NewTime.ToString();
+			OldTimeSelectedLabel.Text = e.OldTime.ToString();
+		}
+	}
+}