Fix 3564 Null Reference Exception (#3578)

- fixes #3564
xamarin · Aug 23, 2018 · 1584aa2 · 1584aa2
1 parent 8c53d70
commit 1584aa2
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/Xamarin.Forms.Platform.Android/AppCompat/MasterDetailPageRenderer.cs b/Xamarin.Forms.Platform.Android/AppCompat/MasterDetailPageRenderer.cs
@@ -1,3 +1,4 @@
+
 using System;
 using System.ComponentModel;
 using System.Threading.Tasks;
@@ -247,7 +248,7 @@ protected override void OnAttachedToWindow()
 		protected override void OnDetachedFromWindow()
 		{
 			base.OnDetachedFromWindow();
-			PageController.SendDisappearing();
+			PageController?.SendDisappearing();
 		}
 
 		protected virtual void OnElementChanged(VisualElement oldElement, VisualElement newElement)