private void InitializeActivitySpinner(UIColor spinnerColor)
{
CGRect activitySpinnerBounds =
new CGRect(
this.Frame.GetMidX() - Constants.ActivitySpinnerHalfSize,
this.Frame.GetMidY() - Constants.ActivitySpinnerHalfSize,
Constants.ActivitySpinnerSize,
Constants.ActivitySpinnerSize);
UIView activitySpinnerView = new UIView(activitySpinnerBounds);
ActivitySpinnerRenderer activitySpinnerRenderer = new ActivitySpinnerRenderer(activitySpinnerView, spinnerColor);
activitySpinnerRenderer.RenderToViewWithAnimation();
this.AddSubview(activitySpinnerView);
}
/// <summary>
/// Sets that an image download is in progress and shows a progress indicator.
/// </summary>
public void SetImageDownloadInProgress()
{
if (this.IsImageDownloadInProgress)
{
throw new InvalidOperationException("Image download already in progress.");
}
if (this.ShowActivitySpinnerWhenDownloadingImage)
{
this.activitySpinnerView = new UIView();
this.GetImageView().AddSubview(activitySpinnerView);
this.CenterDownloadProgressIndicator();
ActivitySpinnerRenderer activitySpinnerRenderer = new ActivitySpinnerRenderer(activitySpinnerView, this.ActivitySpinnerColor, Constants.ActivitySpinnerLineWidth);
activitySpinnerRenderer.RenderToViewWithAnimation();
}
this.IsImageDownloadInProgress = true;
}