@Override
public void changeCursor(Cursor cursor) {
if (cursor != mActivity.mQueryCursor) {
mActivity.mQueryCursor = cursor;
super.changeCursor(cursor);
}
}
@Override
public Cursor runQueryOnBackgroundThread(CharSequence constraint) {
String s = constraint.toString();
if (mConstraintIsValid
&& ((s == null && mConstraint == null) || (s != null && s.equals(mConstraint)))) {
return getCursor();
}
Cursor c = mActivity.getQueryCursor(null, s);
mConstraint = s;
mConstraintIsValid = true;
return c;
}