Fix HideSoftInputOnTapped Not Working Net9 (#28534)

* fix for 26792

* Update HideSoftInputOnTappedChangedManager.Platform.cs

* Testcases added

* Comments updated

* Condition modification

Author: SuthiYuvaraj

src/Controls/src/Core/ContentPage/HideSoftInputOnTappedChanged/HideSoftInputOnTappedChangedManager.Android.cs

@@ -20,7 +20,7 @@ void OnWindowDispatchedTouch(object? sender, MotionEvent? e)
 
 			foreach (var page in _contentPages)
 			{
-				if (page.HasNavigatedTo &&
+				if ((page.HasNavigatedTo || page.Parent is Window) &&
 					page.HideSoftInputOnTapped &&
 					page.Handler is IPlatformViewHandler pvh &&
 					pvh.MauiContext?.Context is not null)

src/Controls/src/Core/ContentPage/HideSoftInputOnTappedChanged/HideSoftInputOnTappedChangedManager.Platform.cs

@@ -14,7 +14,7 @@ partial class HideSoftInputOnTappedChangedManager
 
 		internal void UpdatePage(ContentPage page)
 		{
-			if (page.HideSoftInputOnTapped && page.HasNavigatedTo)
+			if (page.HideSoftInputOnTapped && (page.HasNavigatedTo || page.Parent is Window))
 			{
 				if (!_contentPages.Contains(page))
 				{

src/Controls/src/Core/ContentPage/HideSoftInputOnTappedChanged/HideSoftInputOnTappedChangedManager.cs

@@ -13,7 +13,7 @@ bool FeatureEnabled
 			{
 				foreach (var page in _contentPages)
 				{
-					if (page.HideSoftInputOnTapped && page.HasNavigatedTo)
+					if (page.HideSoftInputOnTapped && (page.HasNavigatedTo || page.Parent is Window))
 						return true;
 				}
 				return false;

src/Controls/tests/TestCases.HostApp/Issues/Issue26792.cs

@@ -0,0 +1,40 @@
+namespace Maui.Controls.Sample.Issues;
+
+[Issue(IssueTracker.Github, 26792, "HideSoftInputOnTapped Not Working", PlatformAffected.Android)]
+public class Issue26792 : ContentPage
+{
+
+	VerticalStackLayout stackLayout;
+	Button _button;
+
+	Entry _entry;
+	public Issue26792()
+	{
+		this.HideSoftInputOnTapped = true;
+		stackLayout = new VerticalStackLayout
+		{
+			HorizontalOptions = LayoutOptions.Center,
+			VerticalOptions = LayoutOptions.Center,
+			AutomationId = "Issue26792StackLayout",
+		};
+		_button = new Button
+		{
+			Text = "Click Me",
+			AutomationId = "Issue26792Button",
+			HorizontalOptions = LayoutOptions.Center,
+			VerticalOptions = LayoutOptions.Center,
+		};
+		_entry = new Entry
+		{
+			Placeholder = "Enter text",
+			AutomationId = "Issue26792Entry",
+			HorizontalOptions = LayoutOptions.Center,
+			VerticalOptions = LayoutOptions.Center,
+		};
+
+		stackLayout.Children.Add(_button);
+		stackLayout.Children.Add(_entry);
+		Content = stackLayout;
+	}
+}
+

src/Controls/tests/TestCases.Shared.Tests/Tests/Issues/Issue26792.cs

@@ -0,0 +1,29 @@
+#if TEST_FAILS_ON_CATALYST && TEST_FAILS_ON_WINDOWS //As SoftKeyboard is not supported
+using NUnit.Framework;
+using UITest.Appium;
+using UITest.Core;
+
+namespace Microsoft.Maui.TestCases.Tests.Issues;
+
+public class Issue26792 : _IssuesUITest
+{
+	public Issue26792(TestDevice testDevice) : base(testDevice)
+	{
+	}
+
+	public override string Issue => "HideSoftInputOnTapped Not Working";
+
+	[Test]
+	[Category(UITestCategories.Page)]
+	public void SoftInputShouldHiddenOnTap()
+	{
+		App.WaitForElement("Issue26792Entry");
+		App.Tap("Issue26792Entry");
+		App.WaitForElement("Issue26792Button");
+		App.Tap("Issue26792Button");
+		App.WaitForElement("Issue26792Entry");
+		Assert.That(App.IsKeyboardShown(), Is.False);
+
+	}
+}
+#endif