@Override
 void readSelectionFromBundle(Bundle inBundle, String key) {
   if (inBundle != null) {
     String ids = inBundle.getString(key);
     if (ids != null) {
       String[] splitIds = TextUtils.split(ids, ",");
       selectedIds.clear();
       Collections.addAll(selectedIds, splitIds);
     }
   }
 }
 @Override
 public void clear() {
   selectedIds.clear();
 }