private static void SetIsBusy(BindableObject bindable, object oldValue, object newValue)
        {
            LoadingIndicator control = bindable as LoadingIndicator;

            control.IsVisible = (bool)newValue;
            control.actIndicator.IsRunning = (bool)newValue;
        }
        private static void SetLoadingText(BindableObject bindable, object oldValue, object newValue)
        {
            LoadingIndicator control = bindable as LoadingIndicator;

            control.lblLoadingText.Text = (string)newValue;
        }