requestFocus method

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

Future<void> requestFocus (int viewRef)

Requests that focus be transferred to the child view referred to by viewRef. Note that this method should only be used with Scenics legacy GFX API

Implementation

Future<void> requestFocus(int viewRef) async {
  return FocusState.instance.requestFocus(viewRef);
}