ObservableValue<T> class abstract

An observable that holds and notifies about changes to a single value.

This is the most common type of observable, used for representing reactive state.

Implemented types

Available extensions

Constructors

hashCode → int: The hash code for this object.
no setterinherited
internalData ↔ dynamic: Optional data that can be attached to the observable, often for internal use by components or for tracking purposes.
getter/setter pairoverride
runtimeType → Type: A representation of the runtime type of the object.
no setterinherited
value → T: The current value held by the observable.
no setter

cancel(ControlSubscription<T> subscription) → void: Cancels a subscription, preventing it from receiving further notifications.
inherited
cast<U>() → ObservableValue<U>: Available on ObservableValue, provided by the ObservableValuExt extension
Cast this observable.
dispose() → void: Releases resources used by the object.
inherited
disposeWith(DisposeObserver observer) → void: Available on Disposable, provided by the DisposableExt extension
Register for dispose with given observer.
listen(VoidCallback action) → ControlSubscription<T>: Subscribes to the observable to be notified of changes.
override
merge(Object other) → ObservableGroup: Available on ObservableBase, provided by the ObservableBaseExt extension
Creates new group, that listens to both observables.
noSuchMethod(Invocation invocation) → dynamic: Invoked when a nonexistent method or property is accessed.
inherited
subscribe(ValueCallback<T> action, {bool current = false, dynamic args}) → ControlSubscription<T>: Subscribes to changes in the observable's value.
toString() → String: A string representation of this object.
inherited