Fix appBarLayout so it extends correctly full screen

src/Controls/tests/TestCases.HostApp/Issues/Issue28986_FlyoutPage.cs

@@ -0,0 +1,24 @@
+namespace Maui.Controls.Sample.Issues;
+
+[Issue(IssueTracker.Github, 28986, "Test SafeArea Flyout Page for per-edge safe area control", PlatformAffected.Android | PlatformAffected.iOS, issueTestNumber: 8)]
+public partial class Issue28986_FlyoutPage : FlyoutPage
+{
+	public Issue28986_FlyoutPage() : base()
+    {
+        var page = new Issue28986_ContentPage() { Title = "SafeArea Flyout Test" };
+        page.ToolbarItems.Add(new ToolbarItem { Text = "Item 1" });
+        Shell.SetBackgroundColor(page, Colors.Blue);
+        Detail = new NavigationPage(page);
+        Flyout = new ContentPage()
+        {
+            Title = "Flyout",
+            Content = new StackLayout
+            {
+                Children =
+                {
+                    new Label { Text = "This is the flyout content" }
+                }
+            }
+        };
+    }
+}

src/Controls/tests/TestCases.HostApp/Issues/Issue28986_NavigationPage.cs

@@ -0,0 +1,10 @@
+namespace Maui.Controls.Sample.Issues;
+
+[Issue(IssueTracker.Github, 28986, "Test SafeArea Navigation Page for per-edge safe area control", PlatformAffected.Android | PlatformAffected.iOS, issueTestNumber: 7)]
+public partial class Issue28986_NavigationPage : NavigationPage
+{
+	public Issue28986_NavigationPage() : base(new Issue28986_ContentPage())
+	{
+        BarBackground = Colors.Blue;
+	}
+}

src/Controls/tests/TestCases.HostApp/Issues/Issue28986_Shell.cs

@@ -0,0 +1,37 @@
+namespace Maui.Controls.Sample.Issues;
+
+[Issue(IssueTracker.Github, 28986, "Test SafeArea Shell Page for per-edge safe area control", PlatformAffected.Android | PlatformAffected.iOS, issueTestNumber: 6)]
+public partial class Issue28986_Shell : Shell
+{
+	public Issue28986_Shell() : base()
+    {
+        var page = new Issue28986_ContentPage();
+        page.ToolbarItems.Add(new ToolbarItem { Text = "Item 1" });
+        page.Title = "SafeArea Shell Test";
+        Shell.SetBackgroundColor(page, Colors.Blue);
+        Items.Add(new FlyoutItem()
+        {
+            Items =
+            {
+                new ShellContent()
+                {
+                    Content = page,
+                }
+            }
+        });
+
+        Items.Add(new FlyoutItem()
+        {
+            Items =
+            {
+                new ShellContent()
+                {
+                    Content = new ContentPage()
+                    {
+                        Title = "Page 2"
+                    },
+                }
+            }
+        });
+    }
+}

src/Controls/tests/TestCases.Shared.Tests/Tests/Issues/Issue28986_FlyoutPage.cs

@@ -0,0 +1,27 @@
+#if IOS || ANDROID
+using NUnit.Framework;
+using UITest.Appium;
+using UITest.Core;
+
+namespace Microsoft.Maui.TestCases.Tests.Issues;
+
+public class Issue28986_FlyoutPage : _IssuesUITest
+{
+    public override string Issue => "Test SafeArea Flyout Page for per-edge safe area control";
+
+    public Issue28986_FlyoutPage(TestDevice device) : base(device)
+    {
+    }
+
+    [Test]
+	[Category(UITestCategories.SafeAreaEdges)]
+	public void ToolbarExtendsAllTheWayLeftAndRight_FlyoutPage()
+	{
+		// 1. Test loads - verify essential elements are present
+		App.WaitForElement("ContentGrid");
+		App.SetOrientationLandscape();
+		App.WaitForElement("ContentGrid");
+		VerifyScreenshot();
+	}
+}
+#endif

src/Controls/tests/TestCases.Shared.Tests/Tests/Issues/Issue28986_NavigationPage.cs

@@ -0,0 +1,27 @@
+#if IOS || ANDROID
+using NUnit.Framework;
+using UITest.Appium;
+using UITest.Core;
+
+namespace Microsoft.Maui.TestCases.Tests.Issues;
+
+public class Issue28986_NavigationPage : _IssuesUITest
+{
+    public override string Issue => "Test SafeArea Navigation Page for per-edge safe area control";
+
+    public Issue28986_NavigationPage(TestDevice device) : base(device)
+    {
+    }
+
+    [Test]
+	[Category(UITestCategories.SafeAreaEdges)]
+	public void ToolbarExtendsAllTheWayLeftAndRight_NavigationPage()
+	{
+		// 1. Test loads - verify essential elements are present
+		App.WaitForElement("ContentGrid");
+		App.SetOrientationLandscape();
+		App.WaitForElement("ContentGrid");
+		VerifyScreenshot();
+	}
+}
+#endif

src/Controls/tests/TestCases.Shared.Tests/Tests/Issues/Issue28986_Shell.cs

@@ -0,0 +1,27 @@
+#if IOS || ANDROID
+using NUnit.Framework;
+using UITest.Appium;
+using UITest.Core;
+
+namespace Microsoft.Maui.TestCases.Tests.Issues;
+
+public class Issue28986_Shell : _IssuesUITest
+{
+    public override string Issue => "Test SafeArea Shell Page for per-edge safe area control";
+
+    public Issue28986_Shell(TestDevice device) : base(device)
+    {
+    }
+
+    [Test]
+	[Category(UITestCategories.SafeAreaEdges)]
+	public void ToolbarExtendsAllTheWayLeftAndRight_Shell()
+	{
+		// 1. Test loads - verify essential elements are present
+		App.WaitForElement("ContentGrid");
+		App.SetOrientationLandscape();
+		App.WaitForElement("ContentGrid");
+		VerifyScreenshot();
+	}
+}
+#endif

src/Controls/tests/TestCases.Shared.Tests/UITest.cs

@@ -243,7 +243,8 @@ but both can happen.
 							environmentName = "android-notch-36";
 						}
 
-						if (!((deviceApiLevel == 30 && deviceScreenSize == "1080x1920" && deviceScreenDensity == 420) || (deviceApiLevel == 36 && deviceScreenSize == "1080x2424" && deviceScreenDensity == 420)))
+						if (!((deviceApiLevel == 30 && (deviceScreenSize.Equals("1080x1920", StringComparison.OrdinalIgnoreCase) || deviceScreenSize.Equals("1920x1080", StringComparison.OrdinalIgnoreCase)) && deviceScreenDensity == 420) ||
+								(deviceApiLevel == 36 && (deviceScreenSize.Equals("1080x2424", StringComparison.OrdinalIgnoreCase) || deviceScreenSize.Equals("2424x1080", StringComparison.OrdinalIgnoreCase)) && deviceScreenDensity == 420)))
 						{
 							Assert.Fail($"Android visual tests should be run on an API30 emulator image with 1080x1920 420dpi screen or API36 emulator image with 1080x2424 420dpi screen, but the current device is API {deviceApiLevel} with a {deviceScreenSize} {deviceScreenDensity}dpi screen. Follow the steps on the MAUI UI testing wiki to launch the Android emulator with the right image.");
 						}

src/Core/src/Handlers/Toolbar/ToolbarHandler.Android.cs

@@ -30,11 +30,39 @@ protected override MaterialToolbar CreatePlatformElement()
 			return Microsoft.Maui.PlatformInterop.CreateToolbar(context, context.GetActionBarHeight(), -1);
 		}
 
+		protected override void ConnectHandler(MaterialToolbar platformView)
+		{
+			base.ConnectHandler(platformView);
+			platformView.ViewAttachedToWindow += OnViewAttachedToWindow;
+			platformView.ViewDetachedFromWindow += OnViewDetachedFromWindow;
+		}
+
+
+		void OnViewDetachedFromWindow(object? sender, View.ViewDetachedFromWindowEventArgs e)
+		{
+			if (sender is MaterialToolbar mt && mt.IsAlive() && mt.Context is not null)
+			{
+				GlobalWindowInsetListenerExtensions.RemoveGlobalWindowInsetListener(mt, mt.Context);
+			}
+		}
+
+		void OnViewAttachedToWindow(object? sender, View.ViewAttachedToWindowEventArgs e)
+		{
+			var context = MauiContext?.Context ?? throw new InvalidOperationException("Context cannot be null");
+            GlobalWindowInsetListenerExtensions.TrySetGlobalWindowInsetListener(PlatformView, context);
+        }
+
 		private protected override void OnDisconnectHandler(object platformView)
 		{
 			base.OnDisconnectHandler(platformView);
+
 			if (platformView is MaterialToolbar mt && mt.IsAlive())
+			{
 				mt.RemoveFromParent();
+				mt.ViewAttachedToWindow -= OnViewAttachedToWindow;
+				mt.ViewDetachedFromWindow -= OnViewDetachedFromWindow;
+
+			};
 		}
 
 		public static void MapTitle(IToolbarHandler arg1, IToolbar arg2)

src/Core/src/Platform/Android/GlobalWindowInsetListener.cs

@@ -55,6 +55,12 @@ public GlobalWindowInsetListener() : base(DispatchModeStop)
             var rightInset = Math.Max(systemBars?.Right ?? 0, displayCutout?.Right ?? 0);
             var bottomInset = Math.Max(systemBars?.Bottom ?? 0, displayCutout?.Bottom ?? 0);
 
+            if (v is MaterialToolbar)
+            {
+                v.SetPadding(displayCutout?.Left ?? 0, 0, displayCutout?.Right ?? 0, 0);
+                return WindowInsetsCompat.Consumed;
+            }
+
             // Handle special cases
             var appBarLayout = v.FindViewById<AppBarLayout>(Resource.Id.navigationlayout_appbar);
 
@@ -86,11 +92,14 @@ public GlobalWindowInsetListener() : base(DispatchModeStop)
             {
                 if (appBarLayoutContainsSomething)
                 {
-                    appBarLayout.SetPadding(leftInset, topInset, rightInset, 0);
+                    // Pad the AppBarLayout to avoid the navigation bar in landscape orientation and system UI in portrait.
+                    // In landscape, the navigation bar is on the left or right edge; in portrait, we account for the status bar and display cutouts.
+                    // Without this padding, the AppBarLayout would extend behind these system UI elements and be partially hidden or non-interactive.
+                    appBarLayout.SetPadding(systemBars?.Left ?? 0, topInset, systemBars?.Right ?? 0, 0);
                 }
                 else
                 {
-                    appBarLayout.SetPadding(leftInset, 0, rightInset, 0);
+                    appBarLayout.SetPadding(0, 0, 0, 0);
                 }
             }
 
@@ -302,7 +311,7 @@ internal static class GlobalWindowInsetListenerExtensions
     /// <param name="context">The Android context to get the listener from</param>
     public static bool TrySetGlobalWindowInsetListener(this View view, Context context)
     {
-        if (view.FindParent(
+        if (view is not MaterialToolbar && view.FindParent(
             (parent) =>
                 parent is NestedScrollView ||
                 parent is AppBarLayout ||

src/Core/src/PublicAPI/net-android/PublicAPI.Unshipped.txt

@@ -24,6 +24,7 @@ Microsoft.Maui.Handlers.OpenWindowRequest.OpenWindowRequest(Microsoft.Maui.Handl
 Microsoft.Maui.Hosting.MauiAppBuilder.Environment.get -> Microsoft.Maui.Hosting.MauiHostEnvironment!
 Microsoft.Maui.Hosting.MauiAppBuilder.Properties.get -> System.Collections.Generic.IDictionary<object!, object!>!
 Microsoft.Maui.PlatformViewGroup
+override Microsoft.Maui.Handlers.ToolbarHandler.ConnectHandler(Google.Android.Material.AppBar.MaterialToolbar! platformView) -> void
 override Microsoft.Maui.PlatformViewGroup.JniPeerMembers.get -> Java.Interop.JniPeerMembers!
 override Microsoft.Maui.PlatformViewGroup.ThresholdClass.get -> nint
 override Microsoft.Maui.PlatformViewGroup.ThresholdType.get -> System.Type!