Add disposed check on invalidates

hartez · hartez · commit 9e10bb992c4b · 2020-09-22T09:10:18.000-06:00
diff --git a/Xamarin.Forms.Platform.Android/Forms.cs b/Xamarin.Forms.Platform.Android/Forms.cs
@@ -924,7 +924,7 @@ public SizeRequest GetNativeSize(VisualElement view, double widthConstraint, dou
 			public void Invalidate(VisualElement visualElement)
 			{
 				var renderer = visualElement.GetRenderer();
-				if (renderer == null)
+				if (renderer == null || renderer.View.IsDisposed())
 				{
 					return;
 				}

Original file line number	Diff line number	Diff line change
`@@ -924,7 +924,7 @@ public SizeRequest GetNativeSize(VisualElement view, double widthConstraint, dou`
`924`	`924`	`public void Invalidate(VisualElement visualElement)`
`925`	`925`	`{`
`926`	`926`	`var renderer = visualElement.GetRenderer();`
`927`		`- if (renderer == null)`
	`927`	`+ if (renderer == null \|\| renderer.View.IsDisposed())`
`928`	`928`	`{`
`929`	`929`	`return;`
`930`	`930`	`}`