AsyncChangeNotifier<C extends ChangeRecord> class Null safety

Supplies changes and various hooks to implement Observable.

May use notifyChange to queue a change record; they are asynchronously delivered at the end of the VM turn.

AsyncChangeNotifier may be extended, mixed in, or used as a delegate.

Implemented types

Implementers

Constructors

changes → Stream<List<C>>: Emits a list of changes when the state of the object changes.
read-onlyoverride
hashCode → int: The hash code for this object.
read-onlyinherited
hasObservers → bool: Whether changes has at least one active listener.
read-onlyoverride
runtimeType → Type: A representation of the runtime type of the object.
read-onlyinherited

deliverChanges() → bool: If hasObservers, synchronously emits changes that have been queued.
override
noSuchMethod(Invocation invocation) → dynamic: Invoked when a non-existent method or property is accessed.
inherited
notifyChange([C? change]) → void: Schedules change to be delivered.
override
observed() → void: May override to be notified when changes is first observed.
override
toString() → String: A string representation of this object.
inherited
unobserved() → void: May override to be notified when changes is no longer observed.
override