feat: Adding message dialog test cases

samples/Playground/Playground/Playground/Playground.Shared/App.xaml.cs

@@ -48,10 +48,10 @@ protected async override void OnLaunched(LaunchActivatedEventArgs args)
 		notif.RouteChanged += RouteUpdated;
 
 		// Option 1: Ad-hoc hosting of Navigation
-		//var f = new Frame();
-		//_window.Content = f;
-		//_window.AttachServices(_host.Services);
-		//f.Navigate(typeof(MainPage));
+		var f = new Frame();
+		_window.Content = f;
+		_window.AttachServices(_host.Services);
+		f.Navigate(typeof(MainPage));
 
 		// Option 2: Ad-hoc hosting using root content control
 		//var root = new ContentControl
@@ -66,14 +66,14 @@ protected async override void OnLaunched(LaunchActivatedEventArgs args)
 		//root.Host(initialRoute: "");
 
 		// Option 3: Default hosting
-		_window.AttachNavigation(_host.Services,
-			// Option 1: This requires Shell to be the first RouteMap - best for perf as no reflection required
-			// initialRoute: ""
-			// Option 2: Specify route name
-			// initialRoute: "Shell"
-			// Option 3: Specify the view model. To avoid reflection, you can still define a routemap
-			initialViewModel: typeof(ShellViewModel)
-			);
+		//_window.AttachNavigation(_host.Services,
+		//	// Option 1: This requires Shell to be the first RouteMap - best for perf as no reflection required
+		//	// initialRoute: ""
+		//	// Option 2: Specify route name
+		//	// initialRoute: "Shell"
+		//	// Option 3: Specify the view model. To avoid reflection, you can still define a routemap
+		//	initialViewModel: typeof(ShellViewModel)
+		//	);
 
 
 		_window.Activate();

src/Uno.Extensions.Navigation.UI/Region.cs

@@ -48,6 +48,7 @@ public static class Region
 
 	private static void AttachedChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
 	{
+		Console.WriteLine("******** Attached");
 		if (Windows.ApplicationModel.DesignMode.DesignModeEnabled)
 		{
 			return;
@@ -73,6 +74,8 @@ private static void RegisterElement(FrameworkElement element, bool active)
 				existingRegion.Detach();
 			}
 		}
+		Console.WriteLine($"******** Region exists {existingRegion is not null}");
+
 		var region = existingRegion ?? (active ? new NavigationRegion(element) : default);
 	}
 

src/Uno.Extensions.Navigation.UI/Regions/NavigationRegion.cs

@@ -9,6 +9,7 @@ public sealed class NavigationRegion : IRegion
     private IServiceProvider? _services;
     private IRegion? _parent;
 	private bool _isRoot;
+	private bool _isLoaded;
     public IRegion? Parent
     {
         get => _parent;
@@ -30,9 +31,12 @@ private set
     {
         get
         {
-            if (_services is null && Parent is not null)
+			Console.WriteLine("******** Region Services");
+			if (_services is null && Parent is not null)
             {
-                _services = Parent?.Services?.CreateNavigationScope();
+				Console.WriteLine("******** Nav Scope");
+
+				_services = Parent?.Services?.CreateNavigationScope();
                 if (_services is null)
                 {
                     return null;
@@ -51,22 +55,32 @@ private set
 
     public ICollection<IRegion> Children { get; } = new List<IRegion>();
 
-    public NavigationRegion(FrameworkElement? view = null, IServiceProvider? services = null)
-    {
-        View = view;
-        if (View is not null)
-        {
-            View.Loading += ViewLoading;
-            View.Loaded += ViewLoaded;
+	public NavigationRegion(FrameworkElement? view = null, IServiceProvider? services = null)
+	{
+		Console.WriteLine($"******** Nav Region {view?.GetType().Name??"null"}");
+
+		View = view;
+		if (View is not null)
+		{
+			View.Loading += ViewLoading;
+			View.Loaded += ViewLoaded;
 			View.SetInstance(this);
 		}
 
 		if (services is not null)
-        {
+		{
 			InitializeRootRegion(services);
-        }
-    }
+		}
+
+		if (View is not null &&
+			View.IsLoaded)
+		{
+			Console.WriteLine("******** View is loaded");
 
+			_ = HandleLoading();
+		}
+
+	}
 	public void Detach()
 	{
 		this.Parent = null;
@@ -100,12 +114,15 @@ private async void ViewLoading(DependencyObject sender, object args)
 
     private void ViewUnloaded(object sender, RoutedEventArgs e)
     {
-        if (View is null)
+        if (View is null ||
+			!_isLoaded)
         {
             return;
         }
 
-        View.Loading += ViewLoading;
+		_isLoaded = false;
+
+		View.Loading += ViewLoading;
         View.Loaded += ViewLoaded;
         View.Unloaded -= ViewUnloaded;
 
@@ -114,7 +131,8 @@ private void ViewUnloaded(object sender, RoutedEventArgs e)
 
     private Task HandleLoading()
     {
-        if (View is null)
+		Console.WriteLine($"****** Loaded {View.GetType().Name}");
+		if (View is null)
         {
             return Task.CompletedTask;
         }
@@ -169,12 +187,13 @@ public void ReassignParent()
 
     private async Task HandleLoaded()
     {
-        if (View is null)
+        if (View is null || _isLoaded)
         {
             return;
         }
+		_isLoaded = true;
 
-        View.Loading -= ViewLoading;
+		View.Loading -= ViewLoading;
         View.Loaded -= ViewLoaded;
         View.Unloaded += ViewUnloaded;
 

testing/TestHarness/TestHarness.Mobile/Android/AndroidManifest.xml

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <manifest xmlns:android="http://schemas.android.com/apk/res/android" package="TestHarness" android:versionCode="1" android:versionName="1.0">
-  <uses-sdk android:minSdkVersion="16" android:targetSdkVersion="31" />
+  <uses-sdk android:minSdkVersion="19" android:targetSdkVersion="31" />
   <application android:label="TestHarness"></application>
 </manifest>

testing/TestHarness/TestHarness.Shared/App.xaml.cs

@@ -51,7 +51,9 @@ protected override void OnLaunched(Microsoft.UI.Xaml.LaunchActivatedEventArgs ar
 			_window = Microsoft.UI.Xaml.Window.Current;
 #endif
 
-            var rootFrame = _window.Content as Frame;
+
+
+			var rootFrame = _window.Content as Frame;
 
             // Do not repeat app initialization when the Window already has content,
             // just ensure that the window is active
@@ -71,10 +73,12 @@ protected override void OnLaunched(Microsoft.UI.Xaml.LaunchActivatedEventArgs ar
                 _window.Content = rootFrame;
             }
 
+
+
 #if !(NET6_0_OR_GREATER && WINDOWS)
             if (args.UWPLaunchActivatedEventArgs.PrelaunchActivated == false)
 #endif
-            {
+			{
                 if (rootFrame.Content == null)
                 {
                     // When the navigation stack isn't restored navigate to the first page,

testing/TestHarness/TestHarness.Shared/BaseTestSectionPage.cs

@@ -2,22 +2,81 @@
 
 namespace TestHarness;
 
-public class BaseTestSectionPage:Page
+public partial class BaseTestSectionPage : Page
 {
+	protected IHost? Host { get; set; }
+
+	public BaseTestSectionPage()
+	{
+		Loaded += BaseTestSectionPage_Loaded;
+	}
+
+	private IHostInitialization? HostInit { get; set; }
+	private void BaseTestSectionPage_Loaded(object sender, RoutedEventArgs e)
+	{
+		Console.WriteLine("*********** Loaded");
+		if (HostInit is not null)
+		{
+			Console.WriteLine("*********** HostInit is not null");
+
+			InitializeHost();
+		}
+	}
 	protected override void OnNavigatedTo(NavigationEventArgs e)
 	{
 		base.OnNavigatedTo(e);
-
+		Console.WriteLine("*********** OnNavigatedTo");
 		if (e.Parameter is IHostInitialization hostInit)
 		{
-			var host = hostInit.InitializeHost();
-			this.AttachServiceProvider(host.Services).RegisterWindow((Application.Current as App)!.Window);
+			HostInit = hostInit;
 
-			if (this.FindName(Constants.NavigationRoot) is DependencyObject root)
+			if (this.IsLoaded)
 			{
+				Console.WriteLine("*********** this. IsLoaded");
+
+				InitializeHost();
+			}
+		}
+	}
+
+	private bool init;
+	private void InitializeHost()
+	{
+		if (init)
+		{
+			return;
+		}
+		init = true;
+		Console.WriteLine("*********** hostInit not null");
+		Host = HostInit!.InitializeHost();
+		Console.WriteLine("*********** Host");
+
+		var win = (Application.Current as App)?.Window!;
+		Console.WriteLine($"*********** Win exists {win is not null}");
+		this.AttachServiceProvider(Host.Services).RegisterWindow(win);
+		Console.WriteLine("*********** Attached and Registered");
+
+		if (this.FindName(Constants.NavigationRoot) is FrameworkElement root)
+		{
+			Console.WriteLine("*********** NavigationRoot found");
+			if (root.IsLoaded)
+			{
+				Console.WriteLine("*********** IsLoaded");
 
 				Region.SetAttached(root, true);
 			}
+			else
+			{
+				Console.WriteLine("*********** Not Loaded");
+
+				root.Loaded += (_, _) =>
+				{
+					Console.WriteLine("*********** Now Loaded");
+
+					Region.SetAttached(root, true);
+				};
+			}
 		}
 	}
 }
+

testing/TestHarness/TestHarness.Shared/Ext/Navigation/MessageDialog/MessageDialogHostInit.cs

@@ -17,9 +17,13 @@ public IHost InitializeHost()
 				{
 					var host = context.HostingEnvironment;
 					// Configure log levels for different categories of logging
-					logBuilder.SetMinimumLevel(host.IsDevelopment() ? LogLevel.Warning : LogLevel.Information);
+					logBuilder.SetMinimumLevel(host.IsDevelopment() ? LogLevel.Trace : LogLevel.Information);
 				})
 
+				.UseLocalization()
+
+				.UseConfiguration()
+
 				// Enable navigation, including registering views and viewmodels
 				.UseNavigation(RegisterRoutes)
 
@@ -67,6 +71,7 @@ private static void RegisterRoutes(IViewRegistry views, IRouteRegistry routes)
 			new RouteMap("",
 			Nested: new[]
 			{
+				new RouteMap("Simple", View: views.FindByViewModel<SimpleDialogsViewModel>()),
 					new RouteMap("Confirm", View: confirmDialog),
 					new RouteMap("LocalizedConfirm", View: localizedDialog)
 			}));

testing/TestHarness/TestHarness.Shared/Ext/Navigation/MessageDialog/MessageDialogMainPage.xaml

@@ -6,6 +6,7 @@
 								 xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
 								 xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
 								 mc:Ignorable="d"
+								 xmlns:uen="using:Uno.Extensions.Navigation.UI"
 								 Background="{ThemeResource ApplicationPageBackgroundThemeBrush}">
 
 	<Grid>
@@ -26,6 +27,9 @@
 						VerticalContentAlignment="Stretch"
 						Grid.Row="1" />
 
+		<!--uen:Region.Attached="true"-->
+
+
 		<StackPanel Grid.Row="2"
 					Orientation="Horizontal"
 					HorizontalAlignment="Center">

testing/TestHarness/TestHarness.Shared/Ext/Navigation/MessageDialog/MessageDialogMainPage.xaml.cs

@@ -8,6 +8,12 @@ public sealed partial class MessageDialogMainPage : BaseTestSectionPage
 	public MessageDialogMainPage()
 	{
 		this.InitializeComponent();
+
+		//var host = (new MessageDialogHostInit()).InitializeHost();
+
+		//var win = (Application.Current as App)?.Window!;
+		//Console.WriteLine($"*********** Win exists {win is not null}");
+		//win.Content.AttachServiceProvider(host.Services).RegisterWindow(win);
 	}
 
 	public async void SimpleDialogsClick(object sender, RoutedEventArgs e)

testing/TestHarness/TestHarness.Shared/Ext/Navigation/MessageDialog/SimpleDialogsPage.xaml

@@ -6,6 +6,7 @@
 	  xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
 	  mc:Ignorable="d"
 	  xmlns:uen="using:Uno.Extensions.Navigation.UI"
+	  AutomationProperties.AutomationId="SimpleDialogsPage"
 	  Background="{ThemeResource ApplicationPageBackgroundThemeBrush}">
 
 	<Grid>

testing/TestHarness/TestHarness.Shared/Ext/Navigation/MessageDialog/SimpleDialogsPage.xaml.cs

@@ -5,6 +5,8 @@ public sealed partial class SimpleDialogsPage : Page
 {
 	public SimpleDialogsPage()
 	{
+		Console.WriteLine("******* Page ");
+
 		this.InitializeComponent();
 	}
 
@@ -30,4 +32,14 @@ private async void MessageDialogCodebehindCancelClick(object sender, RoutedEvent
 		var messageDialogResult = await this.Navigator()!.ShowMessageDialogAsync<string>(this, content: "This is Content", title: "This is title", cancellation: cancelSource.Token);
 		MessageDialogResultText.Text = $"Message dialog result: {messageDialogResult}";
 	}
+
+	public void CloseAllMessageDialogs()//object sender, RoutedEventArgs args)
+	{
+		var popups = VisualTreeHelper.GetOpenPopups(Window.Current);
+		foreach (var popup in popups)
+		{
+			popup.IsOpen = false;
+		}
+
+	}
 }

testing/TestHarness/TestHarness.Shared/Ext/Navigation/MessageDialog/SimpleDialogsViewModel.cs

@@ -2,4 +2,8 @@
 
 public class SimpleDialogsViewModel
 {
+	public SimpleDialogsViewModel()
+	{
+		Console.WriteLine("******* View Model ");
+	}
 }

testing/TestHarness/TestHarness.Shared/GlobalUsings.cs

@@ -20,12 +20,13 @@
 global using Uno.Extensions.Hosting;
 global using Uno.Extensions.Navigation;
 global using Uno.Extensions.Logging;
-//global using Uno.Extensions.Localization;
+global using Uno.Extensions.Localization;
 global using Uno.Extensions.Serialization;
 global using Uno.Extensions.Navigation.Toolkit;
 global using Uno.Extensions.Navigation.Regions;
 global using Uno.Extensions.Navigation.UI;
 
+
 global using Uno.Toolkit.UI;
 global using Microsoft.Extensions.Options;
 global using Uno.Extensions;