storage property

TourStorage get storage

Where Hint.showOnce keys are remembered.

Defaults to an InMemoryTourStorage, so a "seen it" hint comes back on the next launch until you point this at real persistence — once, at startup. With shared_preferences, in full:

Future<void> main() async {
  // Both lines: getInstance is async, and awaiting anything before
  // runApp needs the binding to exist first.
  WidgetsFlutterBinding.ensureInitialized();
  final SharedPreferences prefs = await SharedPreferences.getInstance();

  HintRegistry.instance.storage = CallbackTourStorage(
    isCompleted: (String key) async =>
        prefs.getBool('hint_kit.$key') ?? false,
    setCompleted: (String key, bool seen) async => seen
        ? prefs.setBool('hint_kit.$key', true)
        : prefs.remove('hint_kit.$key'),
    // Both or neither: this pair is what `start(resume: true)` reads.
    lastIndex: (String tour) async => prefs.getInt('hint_kit.$tour.step'),
    saveIndex: (String tour, int? index) async => index == null
        ? prefs.remove('hint_kit.$tour.step')
        : prefs.setInt('hint_kit.$tour.step', index),
  );

  runApp(const MyApp());
}

Tours are remembered separately, in the TourStorage a TourController or TourScope was given. Handing both the same instance is the usual answer — hint_kit says so in debug when only one of the two is set. Keys then share one space: a hint's key is whatever string it was given and a tour's is its name, so keep the two distinct.

Implementation

TourStorage get storage => _storage;

set storage (TourStorage value)

Implementation

set storage(TourStorage value) {
  _storage = value;
  _storageWasSet = true;
}