public override void UpdateAdapter()
{
// By default the CollectionViewAdapter creates the items at whatever size the template calls for
// But for the Carousel, we want it to create the items to fit the width/height of the viewport
// So we give it an alternate delegate for creating the views
var oldItemViewAdapter = ItemsViewAdapter;
UnsubscribeCollectionItemsSourceChanged(oldItemViewAdapter);
if (oldItemViewAdapter != null)
{
ItemsView.SetValueFromRenderer(CarouselView.PositionProperty, 0);
ItemsView.SetValueFromRenderer(CarouselView.CurrentItemProperty, null);
}
ItemsViewAdapter = CreateAdapter();
_gotoPosition = -1;
SwapAdapter(ItemsViewAdapter, false);
UpdateInitialPosition();
if (ItemsViewAdapter.ItemsSource is ObservableItemsSource observableItemsSource)
{
observableItemsSource.CollectionItemsSourceChanged += CollectionItemsSourceChanged;
}
oldItemViewAdapter?.Dispose();
}
public override void UpdateAdapter()
{
// By default the CollectionViewAdapter creates the items at whatever size the template calls for
// But for the Carousel, we want it to create the items to fit the width/height of the viewport
// So we give it an alternate delegate for creating the views
var oldItemViewAdapter = ItemsViewAdapter;
if (oldItemViewAdapter != null)
{
UnsubscribeCollectionItemsSourceChanged(oldItemViewAdapter);
ItemsView.SetValueFromRenderer(CarouselView.PositionProperty, 0);
ItemsView.SetValueFromRenderer(CarouselView.CurrentItemProperty, null);
}
_gotoPosition = -1;
base.UpdateAdapter();
UpdateInitialPosition();
SubscribeCollectionItemsSourceChanged(ItemsViewAdapter);
}