diff options
| -rw-r--r-- | Xamarin.Forms.Platform.Android/Cells/ViewCellRenderer.cs | 4 | ||||
| -rw-r--r-- | Xamarin.Forms.Platform.iOS/Cells/ViewCellRenderer.cs | 3 |
2 files changed, 7 insertions, 0 deletions
diff --git a/Xamarin.Forms.Platform.Android/Cells/ViewCellRenderer.cs b/Xamarin.Forms.Platform.Android/Cells/ViewCellRenderer.cs index 9604364a..8134a9c1 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($"ViewCell must have a {nameof(cell.View)}"); + IVisualElementRenderer view = Platform.CreateRenderer(cell.View); Platform.SetRenderer(cell.View, view); cell.View.IsPlatformEnabled = true; diff --git a/Xamarin.Forms.Platform.iOS/Cells/ViewCellRenderer.cs b/Xamarin.Forms.Platform.iOS/Cells/ViewCellRenderer.cs index 30c17234..697608fe 100644 --- a/Xamarin.Forms.Platform.iOS/Cells/ViewCellRenderer.cs +++ b/Xamarin.Forms.Platform.iOS/Cells/ViewCellRenderer.cs @@ -139,6 +139,9 @@ namespace Xamarin.Forms.Platform.iOS IVisualElementRenderer GetNewRenderer() { + if (_viewCell.View == null) + throw new InvalidOperationException($"ViewCell must have a {nameof(_viewCell.View)}"); + var newRenderer = Platform.CreateRenderer(_viewCell.View); _rendererRef = new WeakReference<IVisualElementRenderer>(newRenderer); ContentView.AddSubview(newRenderer.NativeView); |