state library Null safety

Classes

BaseNotifier<T>
Define a base notifier for SimpleNotifier and StateNotifier
PersistentStateStorage
this class defines a storage interface for any StateNotifier that implements the PersistentStateMixin
SimpleNotifier
SimpleNotifierEmptyData
StateNotifier<State>

Mixins

ListeneableNotifier<T>
PersistentStateMixin<State>
a mixin to allows you save a state as a JSON in any local database