fix: flutter: LateInitializationError: Field '__storage@230190796' has not been initialized.

[the-best-is-best]

HydratedBloc.storage = await HydratedStorage.build(
storageDirectory: kIsWeb
? HydratedStorageDirectory.web
: HydratedStorageDirectory((await getTemporaryDirectory()).path),
);

and

....

ProfileModel? get profile => _profile;
String? get profileImage => _profileImage;

@OverRide
ProfileState? fromJson(Map<String, dynamic> json) {
try {
// Deserialize JSON to profile state
final profileData = json['profile'] != null
? ProfileModel.fromJson(json['profile'])
: null;

  final dateTimeData = json['dateTime'] as String?;

  return ProfileHydratedStateLoaded(
    profile: profileData,
    dateTime: dateTimeData,
  );
} catch (_) {
  return null; // Return null if deserialization fails
}

}

Future<List> getAddress(String? search) async {
final res = await _searchAddressUseCase.call(search);

List<AddressDetailModel> result = [];

res.when(
  (v) {
    result = v;
  },
  (e) {
    result = [];
  },
);
return result;

}

@OverRide
Map<String, dynamic>? toJson(ProfileState state) {
if (state is ProfileGetDataSuccessState) {
// Serialize the profile state into JSON
return {
'profile': profile?.toJson(),
'dateTime': dateTime,
};
}
return null;
}
}

but flutter: LateInitializationError: Field '__storage@230190796' has not been initialized.

[felangel]

Hi @the-best-is-best 👋
Can you please share the version of hydrated_bloc you’re using, the full stack trace, and ideally a full minimal reproduction sample that I can run/debug locally? Thanks! 🙏

[the-best-is-best]

Used last version 10.0 and bloc Version 9

[felangel]

Used last version 10.0 and bloc Version 9

Thanks! Can you please share the full stack trace along with a link to a minimal reproduction sample? It'd be much easier to help fix this if I'm able to reproduce it locally, thanks!

[felangel]

The only way I can see this being an issue is if you're using the HydratedMixin and if you forgot to call hydrate in the constructor:

class BrightnessCubit extends Cubit<Brightness> with HydratedMixin {
  BrightnessCubit() : super(Brightness.light) {
    hydrate(); // <--- When using the `HydratedMixin` you must call `hydrate` yourself.
  }

  void toggleBrightness() {
    emit(state == Brightness.light ? Brightness.dark : Brightness.light);
  }

  @override
  Brightness fromJson(Map<String, dynamic> json) {
    return Brightness.values[json['brightness'] as int];
  }

  @override
  Map<String, dynamic> toJson(Brightness state) {
    return <String, int>{'brightness': state.index};
  }
}