1 files changed, 67 insertions, 0 deletions
diff --git a/Xamarin.Forms.ControlGallery.Android/_58406EffectRenderer.cs b/Xamarin.Forms.ControlGallery.Android/_58406EffectRenderer.cs
new file mode 100644
index 00000000..b34b38a5
--- /dev/null
+++ b/Xamarin.Forms.ControlGallery.Android/_58406EffectRenderer.cs
@@ -0,0 +1,67 @@
+using System;
+using System.Diagnostics;
+using System.Linq;
+using Android.Widget;
+using Xamarin.Forms;
+using Xamarin.Forms.Controls.Issues;
+using Xamarin.Forms.Platform.Android;
+
+[assembly: ExportEffect(typeof(Xamarin.Forms.ControlGallery.Android._58406EffectRenderer), Bugzilla58406.EffectName)]
+
+namespace Xamarin.Forms.ControlGallery.Android
+{
+	public class _58406EffectRenderer : PlatformEffect
+	{
+		protected override void OnAttached()
+		{
+			var tv = Control as TextView;
+
+			if (tv == null)
+			{
+				return;
+			}
+
+			ReverseText(tv, tv.Text);
+			tv.TextChanged += OnTextChanged;
+		}
+
+		bool _ignoreNextTextChange;
+
+		void OnTextChanged(object sender, global::Android.Text.TextChangedEventArgs textChangedEventArgs)
+		{
+			var tv = sender as TextView;
+
+			if (tv == null)
+			{
+				return;
+			}
+
+			if (_ignoreNextTextChange)
+			{
+				_ignoreNextTextChange = false;
+				return;
+			}
+
+			_ignoreNextTextChange = true;
+
+			ReverseText(tv, textChangedEventArgs.Text.ToString());
+		}
+
+		static void ReverseText(TextView tv, string text)
+		{
+			var rev = new string(text.Reverse().ToArray());
+			tv.Text = rev;
+		}
+
+		protected override void OnDetached()
+		{
+			var tv = Control as TextView;
+			if (tv == null)
+			{
+				return;
+			}
+
+			tv.TextChanged -= OnTextChanged;
+		}
+	}
+}
+\ No newline at end of file