Adopt DensityValue in Grid to Enable Precise Pixel-Aware Layout & Fixed label cropping inside the border control with a specific padding value on certain Android devices

src/Controls/src/Core/View/View.cs

@@ -17,7 +17,7 @@ namespace Microsoft.Maui.Controls
 	/// This is the base class for <see cref="Layout"/> and most of the controls.
 	/// Because <see cref="View" /> ultimately inherits from <see cref="BindableObject" />, application developers can use the Model-View-ViewModel architecture, as well as XAML, to develop portable user interfaces.
 	/// </remarks>
-	public partial class View : VisualElement, IViewController, IGestureController, IGestureRecognizers, IView, IPropertyMapperView, IHotReloadableView, IControlsView
+	public partial class View : VisualElement, IViewController, IGestureController, IGestureRecognizers, IView, IPropertyMapperView, IHotReloadableView, IControlsView, IViewWithWindow
 	{
 		protected internal IGestureController GestureController => this;
 
@@ -282,6 +282,7 @@ bool ValidateGesture(IGestureRecognizer gesture)
 		Thickness IView.Margin => Margin;
 		partial void HandlerChangedPartial();
 		GestureManager _gestureManager;
+		IWindow? IViewWithWindow.Window => Window;
 
 		private protected override void OnHandlerChangedCore()
 		{

src/Controls/tests/DeviceTests/Elements/View/ViewTests.Android.cs

@@ -16,6 +16,7 @@
 using Microsoft.Maui.Platform;
 using Xunit;
 using Xunit.Sdk;
+using Microsoft.Maui.Devices;
 
 namespace Microsoft.Maui.DeviceTests
 {
@@ -81,8 +82,7 @@ await CreateHandlerAndAddToWindow(grid, (LayoutHandler handler) =>
 
 						// This fails sometimes due to the way we arrange the content based on coordinates instead of size
 						// Assert.Equal(expectedWidth, pxFrame.Width);
-						Assert.True(pxFrame.Left == lastRight);
-
+						Assert.True(pxFrame.Left == lastRight, $"ColumnCount: {columnCount} Expected Left {lastRight} but got {pxFrame.Left} for child {i} Device Info: {DeviceDisplay.Current.MainDisplayInfo}");
 						lastRight = pxFrame.Right;
 					}
 				});

src/Controls/tests/DeviceTests/Stubs/WindowHandlerStub.Android.cs

@@ -17,6 +17,11 @@ public class WindowHandlerStub : ElementHandler<IWindow, AActivity>, IWindowHand
 			[nameof(IWindow.Content)] = MapContent
 		};
 
+		public static CommandMapper<IWindow, IWindowHandler> CommandMapper = new(ElementCommandMapper)
+		{
+			[nameof(IWindow.RequestDisplayDensity)] = WindowHandler.MapRequestDisplayDensity,
+		};
+
 		public AView PlatformViewUnderTest { get; private set; }
 
 		void UpdateContent()
@@ -50,7 +55,7 @@ protected override void DisconnectHandler(AActivity platformView)
 		}
 
 		public WindowHandlerStub()
-			: base(WindowMapper)
+			: base(WindowMapper, CommandMapper)
 		{
 		}
 

src/Controls/tests/TestCases.HostApp/Issues/Issue28117.cs

@@ -0,0 +1,31 @@
+namespace Maui.Controls.Sample.Issues;
+
+[Issue(IssueTracker.Github, 28117, "Label text is cropped inside the border control with a specific padding value on certain Android devices", PlatformAffected.Android)]
+public class Issue28117 : ContentPage
+{
+	public Issue28117()
+	{
+		Content = new VerticalStackLayout
+		{
+			WidthRequest = 350,
+			Children =
+			{
+				new Border()
+				{
+					Padding =  new Thickness(70.89827027958738, 0, 0, 0),
+					Margin = new Thickness(10),
+					StrokeThickness = 1,
+					Stroke = Colors.Black,
+					Content =
+					new Label
+					{
+						AutomationId = "Label",
+						FontFamily = "OpenSansRegular",
+						FontSize = 16,
+						Text = "At any time, but not later than one month before the expiration date"
+					}
+				},
+			}
+		};
+	}
+}

src/Controls/tests/TestCases.Shared.Tests/Tests/Issues/Issue28117.cs

@@ -0,0 +1,22 @@
+#if !MACCATALYST // On Mac platform, Label does not wrap properly when a width request is set https://github.com/dotnet/maui/issues/15559
+using NUnit.Framework;
+using UITest.Appium;
+using UITest.Core;
+
+namespace Microsoft.Maui.TestCases.Tests.Issues;
+
+public class Issue28117 : _IssuesUITest
+{
+	public Issue28117(TestDevice device) : base(device) { }
+
+	public override string Issue => "Label text is cropped inside the border control with a specific padding value on certain Android devices";
+
+	[Test]
+	[Category(UITestCategories.Border)]
+	public void ShouldDisplayLabelWithoutBeingCroppedInsideBorder()
+	{
+		App.WaitForElement("Label");
+		VerifyScreenshot();
+	}
+}
+#endif

src/Core/src/IViewWithWindow.cs

@@ -0,0 +1,17 @@
+#nullable enable
+
+namespace Microsoft.Maui
+{
+    /// <summary>
+    /// Internal interface for views that can provide access to their window.
+    /// This enables dependency injection for testing scenarios.
+    /// </summary>
+    // TODO Delete this in NET10 and just add it with a default implementation to IView
+    internal interface IViewWithWindow
+    {
+        /// <summary>
+        /// Gets the window associated with this view.
+        /// </summary>
+        IWindow? Window { get; }
+    }
+}