public async Task ChooseImage() { var imgChooser = ImageChooser.CreateImageChooser( new ImageChooser.ImageChooserOptions() { Title = "Image Chooser", ActualImageUri = new Uri(ImageSourceAsString), SelectionButtonText = "Select", SizeRequested = new global::Xamarin.Forms.Size(ImageWidthRequested, ImageHeightRequested), DoneSelectionAction = GetDoneeee, ExceptionOccurredAction = Sadddd }); await NavigationService.NavigateAsync( imgChooser, null, true); }