From: Jimmy Garrido <jimmygarrido@outlook.com>
Date: Fri, 3 Mar 2017 12:20:20 +0000 (-0800)
Subject: Throw exception when ViewCell View is null (#752)
X-Git-Tag: submit/tizen/20170424.094440~241
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=97b28b1c20746bec32d8a1cd26f1c5d268d11680;p=platform%2Fupstream%2Fxamarin-forms.git

Throw exception when ViewCell View is null (#752)
---

diff --git a/Xamarin.Forms.Platform.Android/Cells/ViewCellRenderer.cs b/Xamarin.Forms.Platform.Android/Cells/ViewCellRenderer.cs
index 9604364..8134a9c 100644
--- a/Xamarin.Forms.Platform.Android/Cells/ViewCellRenderer.cs
+++ b/Xamarin.Forms.Platform.Android/Cells/ViewCellRenderer.cs
@@ -2,6 +2,7 @@ using Android.Content;
 using Android.Views;
 using AView = Android.Views.View;
 using Xamarin.Forms.Internals;
+using System;
 
 namespace Xamarin.Forms.Platform.Android
 {
@@ -32,6 +33,9 @@ namespace Xamarin.Forms.Platform.Android
 				rowHeight = ListView.RowHeightProperty;
 			}
 
+			if (cell.View == null)
+				throw new InvalidOperationException($"ViewCell must have a {nameof(cell.View)}");
+
 			IVisualElementRenderer view = Platform.CreateRenderer(cell.View);
 			Platform.SetRenderer(cell.View, view);
 			cell.View.IsPlatformEnabled = true;
diff --git a/Xamarin.Forms.Platform.iOS/Cells/ViewCellRenderer.cs b/Xamarin.Forms.Platform.iOS/Cells/ViewCellRenderer.cs
index 30c1723..697608f 100644
--- a/Xamarin.Forms.Platform.iOS/Cells/ViewCellRenderer.cs
+++ b/Xamarin.Forms.Platform.iOS/Cells/ViewCellRenderer.cs
@@ -139,6 +139,9 @@ namespace Xamarin.Forms.Platform.iOS
 
 			IVisualElementRenderer GetNewRenderer()
 			{
+				if (_viewCell.View == null)
+					throw new InvalidOperationException($"ViewCell must have a {nameof(_viewCell.View)}");
+
 				var newRenderer = Platform.CreateRenderer(_viewCell.View);
 				_rendererRef = new WeakReference<IVisualElementRenderer>(newRenderer);
 				ContentView.AddSubview(newRenderer.NativeView);