- add rest of the platforms effects

src/Controls/samples/Controls.Sample/Pages/Core/Effects.xaml → src/Controls/samples/Controls.Sample/Pages/Core/EffectsPage.xaml

@@ -2,7 +2,7 @@
 <views:BasePage
     xmlns="http://schemas.microsoft.com/dotnet/2021/maui"
     xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
-    x:Class="Maui.Controls.Sample.Pages.Effects"
+    x:Class="Maui.Controls.Sample.Pages.EffectsPage"
     xmlns:views="clr-namespace:Maui.Controls.Sample.Pages.Base"
     xmlns:local="clr-namespace:Maui.Controls.Sample.Pages"
     Title="Alerts">

src/Controls/samples/Controls.Sample/Pages/Core/EffectsPage.xaml.cs

@@ -0,0 +1,139 @@
+using System;
+using System.ComponentModel;
+using System.Diagnostics;
+using Microsoft.Maui;
+using Microsoft.Maui.Controls;
+using Microsoft.Maui.Controls.Platform;
+
+namespace Maui.Controls.Sample.Pages
+{
+	public partial class EffectsPage
+	{
+		public EffectsPage()
+		{
+			InitializeComponent();
+		}
+	}
+
+	public class FocusRoutingEffect : RoutingEffect
+	{
+	}
+
+#if WINDOWS
+	public class FocusPlatformEffect : PlatformEffect
+	{
+		public FocusPlatformEffect() : base()
+		{
+		}
+
+		protected override void OnAttached()
+		{
+			try
+			{
+				(Control as Microsoft.UI.Xaml.Controls.Control).Background = new Microsoft.UI.Xaml.Media.SolidColorBrush(Microsoft.UI.Colors.Cyan);
+				(Control as MauiTextBox).BackgroundFocusBrush = new Microsoft.UI.Xaml.Media.SolidColorBrush(Microsoft.UI.Colors.White);
+			}
+			catch (Exception ex)
+			{
+				Debug.WriteLine("Cannot set property on attached control. Error: ", ex.Message);
+			}
+
+		}
+
+		protected override void OnDetached()
+		{
+		}
+	}
+#elif __ANDROID__
+	public class FocusPlatformEffect : PlatformEffect
+    {
+        Android.Graphics.Color originalBackgroundColor = new Android.Graphics.Color(0, 0, 0, 0);
+        Android.Graphics.Color backgroundColor;
+
+        protected override void OnAttached()
+        {
+            try
+            {
+                backgroundColor = Android.Graphics.Color.LightGreen;
+                Control.SetBackgroundColor(backgroundColor);
+            }
+            catch (Exception ex)
+            {
+                Console.WriteLine("Cannot set property on attached control. Error: ", ex.Message);
+            }
+        }
+
+        protected override void OnDetached()
+        {
+        }
+
+        protected override void OnElementPropertyChanged(PropertyChangedEventArgs args)
+        {
+            base.OnElementPropertyChanged(args);
+            try
+            {
+                if (args.PropertyName == "IsFocused")
+                {
+                    if (((Android.Graphics.Drawables.ColorDrawable)Control.Background).Color == backgroundColor)
+                    {
+                        Control.SetBackgroundColor(originalBackgroundColor);
+                    }
+                    else
+                    {
+                        Control.SetBackgroundColor(backgroundColor);
+                    }
+                }
+            }
+            catch (Exception ex)
+            {
+                Console.WriteLine("Cannot set property on attached control. Error: ", ex.Message);
+            }
+        }
+    }
+#elif __IOS__
+	public class FocusPlatformEffect : PlatformEffect
+	{
+		UIKit.UIColor backgroundColor;
+
+		protected override void OnAttached()
+		{
+			try
+			{
+				Control.BackgroundColor = backgroundColor = UIKit.UIColor.FromRGB(204, 153, 255);
+			}
+			catch (Exception ex)
+			{
+				Console.WriteLine("Cannot set property on attached control. Error: ", ex.Message);
+			}
+		}
+
+		protected override void OnDetached()
+		{
+		}
+
+		protected override void OnElementPropertyChanged(PropertyChangedEventArgs args)
+		{
+			base.OnElementPropertyChanged(args);
+
+			try
+			{
+				if (args.PropertyName == "IsFocused")
+				{
+					if (Control.BackgroundColor == backgroundColor)
+					{
+						Control.BackgroundColor = UIKit.UIColor.White;
+					}
+					else
+					{
+						Control.BackgroundColor = backgroundColor;
+					}
+				}
+			}
+			catch (Exception ex)
+			{
+				Console.WriteLine("Cannot set property on attached control. Error: ", ex.Message);
+			}
+		}
+	}
+#endif
+}

src/Controls/samples/Controls.Sample/ViewModels/CoreViewModel.cs

@@ -27,7 +27,7 @@ protected override IEnumerable<SectionModel> CreateItems() => new[]
 			new SectionModel(typeof(TransformationsPage), "Transformations",
 				"Apply scale transformations, rotation, etc. to a View."),
 
-			new SectionModel(typeof(Effects), "Effects",
+			new SectionModel(typeof(EffectsPage), "Effects",
 				"Apply Effects to a View."),
 		};
 	}