I tried the sample, but if this is placed in a navigation and you navigate away form the page, you get a crash on both devices and simulators.
2017-02-01 20:39:07.853 GettingStartedKanbaniOS[71579:37297800]
Unhandled Exception:
UIKit.UIKitThreadAccessException: UIKit Consistency error: you are calling a UIKit method that can only be invoked from the UI thread.
at UIKit.UIApplication.EnsureUIThread () [0x00023] in /Users/builder/data/lanes/3969/7beaef43/source/xamarin-macios/src/UIKit/UIApplication.cs:88
at UIKit.UIView.RemoveFromSuperview () [0x00000] in /Users/builder/data/lanes/3969/7beaef43/source/xamarin-macios/src/build/ios/native/UIKit/UIView.g.cs:1392
at Xamarin.Forms.Platform.iOS.VisualElementPackager.OnChildRemoved (Xamarin.Forms.VisualElement view) [0x00013] in C:\BuildAgent2\work\aad494dc9bc9783\Xamarin.Forms.Platform.iOS\VisualElementPackager.cs:87
at Xamarin.Forms.Platform.iOS.VisualElementPackager.SetElement (Xamarin.Forms.VisualElement oldElement, Xamarin.Forms.VisualElement newElement) [0x00079] in C:\BuildAgent2\work\aad494dc9bc9783\Xamarin.Forms.Platform.iOS\VisualElementPackager.cs:163
at Xamarin.Forms.Platform.iOS.VisualElementPackager.Dispose (System.Boolean disposing) [0x0000c] in C:\BuildAgent2\work\aad494dc9bc9783\Xamarin.Forms.Platform.iOS\VisualElementPackager.cs:53
at Xamarin.Forms.Platform.iOS.VisualElementPackager.Dispose () [0x00000] in C:\BuildAgent2\work\aad494dc9bc9783\Xamarin.Forms.Platform.iOS\VisualElementPackager.cs:33
at Xamarin.Forms.Platform.iOS.VisualElementRenderer`1[TElement].Dispose (System.Boolean disposing) [0x00058] in C:\BuildAgent2\work\aad494dc9bc9783\Xamarin.Forms.Platform.iOS\VisualElementRenderer.cs:203
at Foundation.NSObject.Dispose () [0x00000] in /Users/builder/data/lanes/3969/7beaef43/source/xamarin-macios/src/Foundation/NSObject2.cs:133
at Syncfusion.SfKanban.iOS.KanbanCardViewCell.Dispose (System.Boolean disposing) [0x0000d] in <aa5e6ed63a504737a59b6920a3ea8ff7>:0
at Foundation.NSObject.Finalize () [0x00000] in /Users/builder/data/lanes/3969/7beaef43/source/xamarin-macios/src/Foundation/NSObject2.cs:129
Attachment:
Kanban1621552016_2_5d119d1e.zip