Xamarin.Forms.Image mapMakerImage = new Xamarin.Forms.Image();
mapMakerImage.Source = "placeholder.png";
mapMakerImage.WidthRequest = ...;
mapMakerImage.HeightRequest = ...;
customViewSettings.Bounds = new Rectangle(...);
pecified cast is not valid' exception to appear. (Don't have the full stack but the last point is at FormsConverToNative-something).
The issue appears on Android only. iOS is fine.
Android: 9.0 (Pie)