ListenableProxyProvider0<R extends Listenable?> class
A variation of ListenableProvider that builds its value from values obtained from other providers.
See the discussion on ChangeNotifierProxyProvider for a complete explanation on how to use it.
ChangeNotifierProxyProvider extends ListenableProxyProvider to make it
work with ChangeNotifier
, but the behavior stays the same.
Most of the time you'll want to use ChangeNotifierProxyProvider instead.
But ListenableProxyProvider is exposed in case someone wants to use a
Listenable
implementation other than ChangeNotifier
.
- Inheritance
-
- Object
- SingleChildStatelessComponent
- InheritedProvider<
R> - ListenableProxyProvider0
- Implementers
Constructors
-
ListenableProxyProvider0({Key? key, Create<
R> ? create, required R update(BuildContext, R? previous), Dispose<R> ? dispose, UpdateShouldNotify<R> ? updateShouldNotify, bool? lazy, TransitionBuilder? builder, Component? child}) -
Initializes
key
for subclasses.
Properties
- builder → TransitionBuilder?
-
Syntax sugar for obtaining a
BuildContext
that can read the provider created.finalinherited - hashCode → int
-
The hash code for this object.
no setterinherited
- key → Key?
-
Controls how one component replaces another component in the tree.
finalinherited
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
Methods
-
build(
BuildContext context) → Iterable< Component> -
Describes the part of the user interface represented by this component.
inherited
-
buildWithChild(
BuildContext context, Component? child) → Iterable< Component> -
A build method that receives an extra
child
parameter.inherited -
createElement(
) → _InheritedProviderElement< R> -
Creates a
StatelessElement
to manage this component's location in the tree.inherited -
noSuchMethod(
Invocation invocation) → dynamic -
Invoked when a nonexistent method or property is accessed.
inherited
-
toString(
) → String -
A string representation of this object.
inherited
Operators
-
operator ==(
Object other) → bool -
The equality operator.
inherited