requestFocus method

*[<Null safety>](https://dart.dev/null-safety)*

• @override

Future<void> requestFocus ([int _ = 0])

override

Implementation

@override
Future<void> requestFocus([int _ = 0]) async {
  if (useFlatland) {
    return super.requestFocusById(viewId);
  } else {
    assert(viewRef?.reference != null && _ == 0);
    return super.requestFocus(viewRef!.reference.handle!.handle);
  }
}