StreamProviderRef<State> 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.
- ProviderRef.state, the value currently exposed by this providers.
- Implemented types
Constructors
Properties
- container → ProviderContainer
-
The ProviderContainer that this provider is associated with.
no setterinherited
- hashCode → int
-
The hash code for this object.
no setterinherited
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
-
state
↔ AsyncValue<
State> -
Obtains the state currently exposed by this provider.
getter/setter pair
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