public override int GetItemPosition(Object @object)
{
if (ItemsSource == null)
return PositionNone;
var dataContext = @object.GetDataContext();
return GetPosition(dataContext);
}
public override void DestroyItem(ViewGroup container, int position, Object @object)
{
var dataContext = @object.GetDataContext();
if (position != PositionNone)
position = GetPosition(dataContext);
bool removed = position == PositionNone;
if (removed && dataContext != null)
ServiceProvider.AttachedValueProvider.Clear(dataContext, ContentPath);
var fragment = @object as Fragment;
if (fragment == null)
{
var view = (View)@object;
container.RemoveView(view);
if (removed)
view.ClearBindingsRecursively(true, true);
}
else
{
if (_currentTransaction == null)
_currentTransaction = _fragmentManager.BeginTransaction();
if (removed)
_currentTransaction.Remove(fragment);
else
_currentTransaction.Detach(fragment);
}
}
