From 6bd9a2dc7778afb4e8c2209056dcb5c4d0cf0df1 Mon Sep 17 00:00:00 2001
From: Shane Neuville <shneuvil@microsoft.com>
Date: Tue, 20 Nov 2018 23:29:55 -0700
Subject: [PATCH] [Android] add Element and Element Property Changed hooks for
 ImageButton

---
 .../AppCompat/ImageButtonRenderer.cs                   | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/Xamarin.Forms.Platform.Android/AppCompat/ImageButtonRenderer.cs b/Xamarin.Forms.Platform.Android/AppCompat/ImageButtonRenderer.cs
index 70410e6e3aa..0bfcf6b29bf 100644
--- a/Xamarin.Forms.Platform.Android/AppCompat/ImageButtonRenderer.cs
+++ b/Xamarin.Forms.Platform.Android/AppCompat/ImageButtonRenderer.cs
@@ -172,10 +172,15 @@ void IVisualElementRenderer.SetElement(VisualElement element)
 			UpdateInputTransparent();
 			UpdatePadding();
 
-			ElementChanged?.Invoke(this, new VisualElementChangedEventArgs(oldElement, ImageButton));
+			OnElementChanged(new ElementChangedEventArgs<ImageButton>(oldElement, ImageButton));
 			ImageButton?.SendViewInitialized(Control);
 		}
 
+		protected virtual void OnElementChanged(ElementChangedEventArgs<ImageButton> e)
+		{
+			ElementChanged?.Invoke(this, new VisualElementChangedEventArgs(e.OldElement, e.NewElement));
+		}
+
 		public override void Draw(Canvas canvas)
 		{
 			if (ImageButton == null)
@@ -258,8 +263,7 @@ void UpdateInputTransparent()
 			_inputTransparent = ImageButton.InputTransparent;
 		}
 
-		// Image related
-		void OnElementPropertyChanged(object sender, PropertyChangedEventArgs e)
+		protected virtual void OnElementPropertyChanged(object sender, PropertyChangedEventArgs e)
 		{
 			if (e.PropertyName == VisualElement.InputTransparentProperty.PropertyName)
 				UpdateInputTransparent();