public void UnregisterDataSetObserver(DataSetObserver observer)
{
mDataSetObservable.UnregisterObserver(observer);
if (mAdapter != null)
{
mAdapter.UnregisterDataSetObserver(observer);
}
}
public override void SetAdapter(IListAdapter adapter)
{
// assert adapter in debug mode
// if (BuildConfig.DEBUG && adapter != null) {
// if (!(adapter.GetType() == (new PinnedSectionListAdapter()).GetType()))
// throw IllegalArgumentException("Does your adapter implement PinnedSectionListAdapter?");
// if (adapter.ViewTypeCount < 2)
// throw new IllegalArgumentException("Does your adapter handle at least two types" +
// " of views in getViewTypeCount() method: items and sections?");
// }
// unregister observer at old adapter and register on new one
IListAdapter oldAdapter = Adapter;
if (oldAdapter != null)
{
oldAdapter.UnregisterDataSetObserver(mDataSetObserver);
}
if (adapter != null)
{
adapter.RegisterDataSetObserver(mDataSetObserver);
}
// destroy pinned shadow, if new adapter is not same as old one
if (oldAdapter != adapter)
{
destroyPinnedShadow();
}
base.SetAdapter(adapter);
}
public override void UnregisterDataSetObserver(global::Android.Database.DataSetObserver observer)
{
mAdapter.UnregisterDataSetObserver(observer);
}
public void UnregisterDataSetObserver(DataSetObserver observer)
{
mAdapter.UnregisterDataSetObserver(observer);
}
