diff options
Diffstat (limited to 'Xamarin.Forms.ControlGallery.Android')
| -rw-r--r-- | Xamarin.Forms.ControlGallery.Android/CustomRenderers.cs | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/Xamarin.Forms.ControlGallery.Android/CustomRenderers.cs b/Xamarin.Forms.ControlGallery.Android/CustomRenderers.cs index a550212c..0530fc3c 100644 --- a/Xamarin.Forms.ControlGallery.Android/CustomRenderers.cs +++ b/Xamarin.Forms.ControlGallery.Android/CustomRenderers.cs @@ -34,6 +34,7 @@ namespace Xamarin.Forms.ControlGallery.Android public class NativeDroidMasterDetail : Xamarin.Forms.Platform.Android.AppCompat.MasterDetailPageRenderer { MasterDetailPage _page; + bool _disposed; protected override void OnElementChanged(VisualElement oldElement, VisualElement newElement) { @@ -61,10 +62,18 @@ namespace Xamarin.Forms.ControlGallery.Android protected override void Dispose(bool disposing) { + if (_disposed) + { + return; + } + + _disposed = true; + if (disposing && _page != null) { _page.LayoutChanged -= Page_LayoutChanged; _page.PropertyChanged -= Page_PropertyChanged; + _page = null; } base.Dispose(disposing); |