[Android] Fix for Entry SelectionLength (#24064)

* fix-18443-SelectionLength Property Not Applied to Entry at Runtime

* Added UI test for 18443

* Modified the test case

* Modified test file

* Modified TestCases.Shared.Tests/Tests/Issues/Issue18443.cs

* Modified test file

* Modified test case

* Added image for Entry test

src/Controls/tests/TestCases.HostApp/Issues/Issue18443.xaml

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="utf-8" ?>
+<ContentPage xmlns="http://schemas.microsoft.com/dotnet/2021/maui"
+             xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
+             x:Class="Maui.Controls.Sample.Issues.Issue18443">
+
+  <Entry AutomationId="entry" x:Name="MauiEntry" Text="Microsoft Maui Entry" SelectionLength="5"  HeightRequest="75"></Entry>
+
+</ContentPage>

src/Controls/tests/TestCases.HostApp/Issues/Issue18443.xaml.cs

@@ -0,0 +1,21 @@
+namespace Maui.Controls.Sample.Issues
+{
+	[XamlCompilation(XamlCompilationOptions.Compile)]
+	[Issue(IssueTracker.Github, 18443, "SelectionLength Property Not Applied to Entry at Runtime", PlatformAffected.Android)]
+	public partial class Issue18443 : ContentPage
+	{
+		public Issue18443()
+		{
+			InitializeComponent();
+		}
+
+		protected override async void OnAppearing()
+		{
+			base.OnAppearing();
+			await Task.Delay(1000);
+			MauiEntry.Focus();
+		}
+
+		
+	}
+}

src/Controls/tests/TestCases.Shared.Tests/Tests/Issues/Issue18443.cs

@@ -0,0 +1,23 @@
+#if ANDROID
+using NUnit.Framework;
+using UITest.Appium;
+using UITest.Core;
+namespace Microsoft.Maui.TestCases.Tests.Issues
+{
+	public class Issue18443 : _IssuesUITest
+	{
+		public Issue18443(TestDevice device) : base(device) { }
+
+		public override string Issue => "SelectionLength Property Not Applied to Entry at Runtime";
+
+		[Test]
+		[Category(UITestCategories.Entry)]
+		public void EntrySelectionLengthRuntimeUpdate()
+		{
+			App.WaitForElement("entry");
+			VerifyScreenshot();
+		}
+
+	}
+}
+#endif

src/Core/src/Handlers/Entry/EntryHandler.Android.cs

@@ -42,6 +42,7 @@ namespace Microsoft.Maui.Handlers
 		// TODO: NET8 issoto - Change the return type to MauiAppCompatEditText
 		protected override void ConnectHandler(AppCompatEditText platformView)
 		{
+			platformView.ViewAttachedToWindow += OnPlatformViewAttachedToWindow;
 			platformView.TextChanged += OnTextChanged;
 			platformView.FocusChange += OnFocusedChange;
 			platformView.Touch += OnTouch;
@@ -52,7 +53,7 @@ namespace Microsoft.Maui.Handlers
 		protected override void DisconnectHandler(AppCompatEditText platformView)
 		{
 			_clearButtonDrawable = null;
-
+			platformView.ViewAttachedToWindow -= OnPlatformViewAttachedToWindow;
 			platformView.TextChanged -= OnTextChanged;
 			platformView.FocusChange -= OnFocusedChange;
 			platformView.Touch -= OnTouch;
@@ -146,6 +147,16 @@ namespace Microsoft.Maui.Handlers
 				handler.PlatformView.Focus(request);
 		}
 
+		void OnPlatformViewAttachedToWindow(object? sender, ViewAttachedToWindowEventArgs e)
+		{
+			if (PlatformView.IsAlive() && PlatformView.Enabled)
+			{
+				// https://issuetracker.google.com/issues/37095917
+				PlatformView.Enabled = false;
+				PlatformView.Enabled = true;
+			}
+		}
+
 		void OnTextChanged(object? sender, TextChangedEventArgs e)
 		{
 			if (VirtualView == null)