ChangeNotifierProviderRef<Notifier extends ChangeNotifier?> class abstract

An object used by providers to interact with other providers and the life-cycles of the application.

See also:

  • read and watch, two methods that allows a provider to consume other providers.
  • onDispose, a method that allows performing a task when the provider is destroyed.
Implemented types

Constructors

ChangeNotifierProviderRef()

Properties

container ProviderContainer
The ProviderContainer that this provider is associated with.
no setterinherited
hashCode int
The hash code for this object.
no setterinherited
notifier → Notifier
The ChangeNotifier currently exposed by this provider.
no setter
runtimeType Type
A representation of the runtime type of the object.
no setterinherited

Methods

listen<T>(AlwaysAliveProviderListenable<T> provider, void listener(T? previous, T next), {bool fireImmediately, void onError(Object error, StackTrace stackTrace)?}) → RemoveListener
Listen to a provider and call listener whenever its value changes.
inherited
noSuchMethod(Invocation invocation) → dynamic
Invoked when a nonexistent method or property is accessed.
inherited
onDispose(void cb()) → void
Adds a listener to perform an operation right before the provider is destroyed.
inherited
read<T>(ProviderBase<T> provider) → T
Read the state associated with a provider, without listening to that provider.
inherited
refresh<State>(ProviderBase<State> provider) → State
Re-create the state of a provider and return the new state.
inherited
toString() String
A string representation of this object.
inherited
watch<T>(AlwaysAliveProviderListenable<T> provider) → T
Obtains the state of a provider and cause the state to be re-evaluated when that provider emits a new value.
inherited

Operators

operator ==(Object other) bool
The equality operator.
inherited