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With the latest Xamarin preview 188.8.131.52-pre1 I encounter a regression which affects the effects on the Android platform.
If you try to access to the Control property of an effect in the OnDetached method, this will throw an ObjectDisposedException.
protected override void OnDetached()
Control.Click -= OnClick; // => thrown ObjectDisposedException
This code worked in 2.3.3 and I think the regression has been introduced be this pull request : https://github.com/xamarin/Xamarin.Forms/pull/360.
Created attachment 19321 [details]
Should be fixed in 2.3.4-pre3