StateNotifier class abstract

This class provides mechanism of delivering new UI states and navigation events to widgets. Widgets should use getStateStream and getNavigationStream to observe on StateNotifier events.

Constructors

StateNotifier()

Properties

disposed → bool

Defines whether StateNotifier was disposed.

no setter

hashCode → int

The hash code for this object.

no setter, inherited

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

Methods

close() → Future<void>

Closes state and navigation streams.

contains<S>() → bool

Checks whether a state of S type was registered before.

getNavigationStream() → Stream<NavigationItem>?

Returns navigation stream.

getStateStream<S>() → Stream<S>?

Returns state stream according to S type.

initial<S>() → S

Returns initial value for state of S type.

latest<S>() → S

Returns the latest value for state of S type.

navigate<T extends Object?>(String routeName, {Object? arguments}) → Future<T?>

Notifies a new navigation event.

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

notify<S>(S state) → void

Notifies a new state of S type.

observable<S>({required S initial}) → void

Registers observable state of S type that can be processed by this StateNotifier.

toString() → String

A string representation of this object.

inherited

Operators

operator ==(Object other) → bool

The equality operator.

inherited