public async void AnimateHiddenViewDown()
        {
            if (HiddenViewStatus != HiddenViewState.Collapsed)
            {
                var metrics = DeviceDisplay.ScreenMetrics;
                await HiddenView.TranslateTo(0, metrics.Height, 2000, Easing.SpringOut);

                ViewModel?.StartVideo();
                HiddenViewStatus = HiddenViewState.Collapsed;
            }
        }
        public async void   AnimateHiddenViewUp()
        {
            if (HiddenViewStatus != HiddenViewState.Visible)
            {
                var metrics = DeviceDisplay.ScreenMetrics;
                await HiddenView.TranslateTo(0, 0, 2000, Easing.SpringOut);

                HiddenView.FeedView.ScrollTo(HiddenView.FeedView.SelectedItem, ScrollToPosition.Start, true);


                HiddenViewStatus = HiddenViewState.Visible;
            }
        }