ChangeNotifierProvider<Notifier extends ChangeNotifier?> class
Creates a ChangeNotifier and subscribes to it.
Note: By using Riverpod, ChangeNotifier will no-longer be O(N^2) for dispatching notifications, but instead O(N)
- Inheritance
-
- Object
- ProviderBase<
Notifier> - AlwaysAliveProviderBase<
Notifier> - ChangeNotifierProvider
- Annotations
-
- @sealed
Constructors
-
ChangeNotifierProvider(Create<
Notifier, ChangeNotifierProviderRef< create, {String? name, List<Notifier> >ProviderOrFamily> ? dependencies, Family<dynamic, dynamic, ProviderBase> ? from, Object? argument}) - Creates a ChangeNotifier and subscribes to it.
Properties
-
allTransitiveDependencies
→ List<
ProviderOrFamily> ? -
All the dependencies of a provider and their dependencies too.
latefinalinherited
- argument → Object?
-
If this provider was created with the
.family
modifier, argument is variable used.finalinherited -
dependencies
→ List<
ProviderOrFamily> ? -
The list of providers that this provider potentially depends on.
latefinalinherited
-
from
→ Family<
dynamic, dynamic, ProviderBase> ? -
If this provider was created with the
.family
modifier, from is the.family
instance.finalinherited - hashCode → int
-
The hash code for this object.
no setterinherited
- name → String?
-
A custom label for providers.
finalinherited
-
notifier
→ AlwaysAliveProviderBase<
Notifier> -
Obtains the ChangeNotifier associated with this provider, but without
listening to it.
final
-
originProvider
→ ProviderBase<
Notifier> -
The provider that will be refreshed when calling ProviderContainer.refresh
and that will be overridden when passed to
ProviderScope
.no setteroverride - runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
Methods
-
create(
covariant ProviderElementBase< Notifier> ref) → Notifier -
Initializes the state of a provider
override
-
createElement(
) → ProviderElement< Notifier> -
An internal method that defines how a provider behaves.
override
-
noSuchMethod(
Invocation invocation) → dynamic -
Invoked when a nonexistent method or property is accessed.
inherited
-
overrideWithProvider(
ChangeNotifierProvider< Notifier> value) → Override -
Overrides a provider with a value, ejecting the default behaviour.
inherited
-
overrideWithValue(
Notifier value) → Override -
Overrides a provider with a value, ejecting the default behaviour.
inherited
-
select<
Selected> (Selected selector(Notifier value)) → AlwaysAliveProviderListenable< Selected> -
Partially listen to a provider.
inherited
-
toString(
) → String -
A string representation of this object.
inherited
-
updateShouldNotify(
Notifier previousState, Notifier newState) → bool -
Called when a provider is rebuilt. Used for providers to not notify their
listeners if the exposed value did not change.
override
Operators
-
operator ==(
Object other) → bool -
The equality operator.
inherited
Constants
- autoDispose → const AutoDisposeChangeNotifierProviderBuilder
- Marks the provider as automatically disposed when no-longer listened.
- family → const ChangeNotifierProviderFamilyBuilder
- A group of providers that builds their value from an external parameter.