*[<Null safety>](https://dart.dev/null-safety)*
Future<void> requestFocusById (int viewId)
Requests that focus be transferred to the child view referred to by viewId. Note that this method should only be used with the Flatland API
Implementation
Future<void> requestFocusById(int viewId) async {
return FocusState.instance.requestFocusById(viewId);
}