@Override
public void onLoaderReset(Loader<Cursor> arg0) {
mConversationAdapter.swapCursor(null);
}
@Override
public void onLoadFinished(Loader<Cursor> arg0, Cursor cursor) {
mConversationAdapter.swapCursor(cursor);
mConversationListView.setSelection(mConversationAdapter.getCount() - 1);
}