Fixed the Label not sized correctly on Android

src/Controls/tests/TestCases.HostApp/Issues/Issue27614.cs

@@ -0,0 +1,61 @@
+namespace Maui.Controls.Sample.Issues
+{
+	[Issue(IssueTracker.Github, 27614, "Label not sized correctly on Android", PlatformAffected.Android)]
+	public class Issue27614 : ContentPage
+	{
+		public Issue27614()
+		{
+
+			var singleLineLabel = new Label
+			{
+				HorizontalOptions = LayoutOptions.Start,
+				AutomationId = "Label",
+				Margin = new Thickness(5, 5),
+				Text = "Hello World",
+				BackgroundColor = Colors.Blue,
+				TextColor = Colors.Black,
+				FontSize = 20
+			};
+
+			var multiLineLabel = new Label
+			{
+				HorizontalOptions = LayoutOptions.Start,
+				Margin = new Thickness(5, 5),
+				Text = "NET MAUI is a framework used to build native, cross-platform desktop and mobile apps from a single C# codebase for Android, iOS, Mac, and Windows",
+				BackgroundColor = Colors.Orchid,
+				TextColor = Colors.Black,
+				FontSize = 20
+			};
+
+			var button = new Button
+			{
+				Text = "Change Label HorizontalOptions to Center",
+				AutomationId = "CenterButton",
+				Margin = new Thickness(5, 5)
+
+			};
+			button.Clicked += (s, e) =>
+			{
+				singleLineLabel.HorizontalOptions = LayoutOptions.Center;
+				multiLineLabel.HorizontalOptions = LayoutOptions.Center;
+			};
+			var button1 = new Button
+			{
+				Text = "Change Label HorizontalOptions to End",
+				AutomationId = "EndButton",
+				Margin = new Thickness(5, 5)
+			};
+			button1.Clicked += (s, e) =>
+			{
+				singleLineLabel.HorizontalOptions = LayoutOptions.End;
+				multiLineLabel.HorizontalOptions = LayoutOptions.End;
+			};
+			var layout = new VerticalStackLayout
+			{
+				Children = { singleLineLabel, multiLineLabel, button, button1 }
+			};
+
+			Content = layout;
+		}
+	}
+}

src/Controls/tests/TestCases.Shared.Tests/Tests/Issues/Issue27614.cs

@@ -0,0 +1,41 @@
+using NUnit.Framework;
+using UITest.Appium;
+using UITest.Core;
+
+namespace Microsoft.Maui.TestCases.Tests.Issues
+{
+	public class Issue27614 : _IssuesUITest
+	{
+		public Issue27614(TestDevice testDevice) : base(testDevice)
+		{
+		}
+
+		public override string Issue => "Label not sized correctly on Android";
+
+		[Test, Order(1)]
+		[Category(UITestCategories.Label)]
+		public void LabelShouldSizeCorrectlyOnHorizontalStartLayoutOptions()
+		{
+			App.WaitForElement("Label");
+			VerifyScreenshot();
+		}
+
+		[Test, Order(2)]
+		[Category(UITestCategories.Label)]
+		public void LabelShouldSizeCorrectlyOnHorizontalCenterLayoutOptions()
+		{
+			App.WaitForElement("CenterButton");
+			App.Tap("CenterButton");
+			VerifyScreenshot();
+		}
+
+		[Test, Order(3)]
+		[Category(UITestCategories.Label)]
+		public void LabelShouldSizeCorrectlyOnHorizontalEndLayoutOptions()
+		{
+			App.WaitForElement("EndButton");
+			App.Tap("EndButton");
+			VerifyScreenshot();
+		}
+	}
+}

src/Core/src/Platform/Android/MauiTextView.cs

@@ -1,6 +1,8 @@
 using System;
 using Android.Content;
 using AndroidX.AppCompat.Widget;
+using Android.Text;
+using Android.Views;
 
 namespace Microsoft.Maui.Platform
 {
@@ -16,6 +18,26 @@ internal override void OnLayoutFormatted(bool changed, int l, int t, int r, int
 		{
 			LayoutChanged?.Invoke(this, new LayoutChangedEventArgs(l, t, r, b));
 		}
+		protected override void OnMeasure(int widthMeasureSpec, int heightMeasureSpec)
+		{
+			if (MeasureSpec.GetMode(widthMeasureSpec) == MeasureSpecMode.AtMost && Layout is not null)
+			{
+				int maxWidth = (int)Math.Ceiling(GetMaxLineWidth(Layout)) + CompoundPaddingLeft + CompoundPaddingRight;
+				widthMeasureSpec = MeasureSpec.MakeMeasureSpec(maxWidth, MeasureSpecMode.AtMost);
+			}
+			base.OnMeasure(widthMeasureSpec, heightMeasureSpec);
+		}
+
+		static float GetMaxLineWidth(Layout layout)
+		{
+			float maxWidth = 0;
+			//Calculates the maximum width needed to display the content based on the widest line."
+			for (int i = 0, count = layout.LineCount; i < count; i++)
+			{
+				maxWidth = Math.Max(maxWidth, layout.GetLineWidth(i));
+			}
+			return maxWidth;
+		}
 	}
 
 	public class LayoutChangedEventArgs : EventArgs

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

@@ -89,4 +89,5 @@ virtual Microsoft.Maui.PlatformContentViewGroup.SetHasClip(bool hasClip) -> void
 override Microsoft.Maui.PlatformWrapperView.OnLayout(bool changed, int left, int top, int right, int bottom) -> void
 virtual Microsoft.Maui.PlatformWrapperView.DrawShadow(Android.Graphics.Canvas! canvas, int viewWidth, int viewHeight) -> void
 *REMOVED*~override Microsoft.Maui.Platform.WrapperView.DrawShadow(Android.Graphics.Canvas canvas, int viewWidth, int viewHeight) -> void
-*REMOVED*abstract Microsoft.Maui.PlatformWrapperView.DrawShadow(Android.Graphics.Canvas! p0, int p1, int p2) -> void
+*REMOVED*abstract Microsoft.Maui.PlatformWrapperView.DrawShadow(Android.Graphics.Canvas! p0, int p1, int p2) -> void
+override Microsoft.Maui.Platform.MauiTextView.OnMeasure(int widthMeasureSpec, int heightMeasureSpec) -> void