private void ListView_ItemDisappearing(object sender, ItemVisibilityEventArgs e)
{
if (e.ItemIndex != 0 || StackLayoutInfo.IsVisible)
{
return;
}
StackLayoutInfo.FadeTo(1);
StackLayoutInfo.IsVisible = true;
}
private void ListView_ItemAppearing(object sender, ItemVisibilityEventArgs e)
{
if (e.ItemIndex == 0 && StackLayoutInfo.IsVisible)
{
StackLayoutInfo.FadeTo(0).ContinueWith((t) =>
{
StackLayoutInfo.IsVisible = false;
}, TaskScheduler.FromCurrentSynchronizationContext());
}
if (VM.IsBusy || VM.Episodes.Count == 0)
{
return;
}
//hit bottom!
if (e.ItemIndex == VM.Episodes.Count - 1)
{
VM.LoadMoreEpisodes();
}
}
