StateProviderRef<State> class Null safety

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.
  • controller, the StateController currently exposed by this providers.
Implemented types
Implementers

Constructors

StateProviderRef()

Properties

container ProviderContainer
The ProviderContainer that this provider is associated with.
read-only, inherited
controller StateController<State>
The StateController currently exposed by this provider. [...]
read-only
hashCode int
The hash code for this object. [...]
read-only, inherited
runtimeType Type
A representation of the runtime type of the object.
read-only, inherited

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 non-existent 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