Using InheritedWidget I need to doKeysToBeInherited.of(context).homeKey1 for using the keys in different parts of the app:

    class ShowcaseStatefulWidget extends StatefulWidget {
  @override
  _ShowcaseStatefulWidgetState createState() => _ShowcaseStatefulWidgetState();
}

class _ShowcaseStatefulWidgetState extends State<ShowcaseStatefulWidget> {

  final GlobalKey _homeKey1 = GlobalKey();
  final GlobalKey _homeKey2 = GlobalKey();
  final GlobalKey _homeKey3 = GlobalKey();
  final GlobalKey _storeKey1 = GlobalKey();
  final GlobalKey _storeKey2 = GlobalKey();
  final GlobalKey _storeKey3 = GlobalKey();

  @override
  Widget build(BuildContext context) {
    return KeysToBeInherited(
       homeKey1: _homeKey1,
       homeKey2: _homeKey2,
       homeKey3: _homeKey3,
       storeKey1: _storeKey1,
       storeKey2: _storeKey2,
       storeKey3: _storeKey3,
      child: AppRoutes(),
    );
  }
}

class KeysToBeInherited extends InheritedWidget {
  KeysToBeInherited({
    required this.homeKey1,
    required this.homeKey2,
    required this.homeKey3,
    required this.storeKey1,
    required this.storeKey2,
    required this.storeKey3,
  }) : super(child: child);

  final GlobalKey homeKey1;
  final GlobalKey homeKey2;
  final GlobalKey homeKey3;
  final GlobalKey storeKey1;
  final GlobalKey storeKey2;
  final GlobalKey storeKey3;


  static KeysToBeInherited? of(BuildContext context) {
    return context.dependOnInheritedWidgetOfExactType<KeysToBeInherited>();
  }

  @override
  bool updateShouldNotify(InheritedWidget oldWidget) {
    return true;
  }
}

Or defining the like:

  final GlobalKey homeKey1 = GlobalKey();
  final GlobalKey homeKey2 = GlobalKey();
  final GlobalKey homeKey3 = GlobalKey();
  final GlobalKey storeKey1 = GlobalKey();
  final GlobalKey storeKey2 = GlobalKey();
  final GlobalKey storeKey3 = GlobalKey();

Both approche work and I am not sure which one should I pick, and what are the prose and cons of using either approch?

ShowcaseStatefulWidget does not ncessarily need to be statefull. The AppRoute() is where I define Matterial app and the routes.

CodePudding user response：

if your keys are constant use the second approach and if your keys might change and you need your children to be notified, use the first approach.