/**
* Use the search suggestions provider to obtain a live cursor. This will be called in a worker
* thread, so it's OK if the query is slow (e.g. round trip for suggestions). The results will be
* processed in the UI thread and changeCursor() will be called.
*/
@Override
public Cursor runQueryOnBackgroundThread(CharSequence constraint) {
if (DBG) Log.d(LOG_TAG, "runQueryOnBackgroundThread(" + constraint + ")");
String query = (constraint == null) ? "" : constraint.toString();
/**
* for in app search we show the progress spinner until the cursor is returned with the results.
*/
Cursor cursor = null;
if (mSearchView.getVisibility() != View.VISIBLE
|| mSearchView.getWindowVisibility() != View.VISIBLE) {
return null;
}
// mSearchView.getWindow().getDecorView().post(mStartSpinnerRunnable); // TODO:
try {
cursor = mSearchManager.getSuggestions(mSearchable, query, QUERY_LIMIT);
// trigger fill window so the spinner stays up until the results are copied over and
// closer to being ready
if (cursor != null) {
cursor.getCount();
return cursor;
}
} catch (RuntimeException e) {
Log.w(LOG_TAG, "Search suggestions query threw an exception.", e);
}
// If cursor is null or an exception was thrown, stop the spinner and return null.
// changeCursor doesn't get called if cursor is null
// mSearchView.getWindow().getDecorView().post(mStopSpinnerRunnable); // TODO:
return null;
}
