MapPrefNotifier<T> class

Converts the value of type parameter T to a String and persists it in SharedPreferences.

To update the value, use the update() function. Direct assignment to state cannot be used.

await watch(mapPrefProvider.notifier).update(v);

Inheritance

Constructors

MapPrefNotifier(SharedPreferences prefs, String prefKey, T mapFrom(String?), String mapTo(T))

debugState → T: A development-only way to access state outside of StateNotifier.
no setterinherited
hashCode → int: The hash code for this object.
no setterinherited
hasListeners → bool: If a listener has been added using addListener and hasn't been removed yet.
no setterinherited
mapFrom ↔ T Function(String?): getter/setter pair
mapTo ↔ String Function(T): getter/setter pair
mounted → bool: Whether dispose was called or not.
no setterinherited
onError ↔ ErrorListener?: A callback for error reporting if one of the listeners added with addListener throws.
getter/setter pairinherited
prefKey ↔ String: getter/setter pair
prefs ↔ SharedPreferences: getter/setter pair
runtimeType → Type: A representation of the runtime type of the object.
no setterinherited
state ↔ T: The current "state" of this StateNotifier.
getter/setter pairinherited-getteroverride-setter
stream → Stream<T>: A broadcast stream representation of a StateNotifier.
no setterinherited

addListener(Listener<T> listener, {bool fireImmediately = true}) → RemoveListener: Subscribes to this object.
inherited
dispose() → void: Frees all the resources associated with this object.
inherited
noSuchMethod(Invocation invocation) → dynamic: Invoked when a nonexistent method or property is accessed.
inherited
toString() → String: A string representation of this object.
inherited
update(T value) → Future<void>: Updates the value asynchronously.
updateShouldNotify(T old, T current) → bool: Whether to notify listeners or not when state changes
inherited