Value<T> class
- Inheritance
-
- Object
- ChangeNotifier
- ListNotifier
- Value
- Implemented types
-
- ValueListenable<
T?>
- ValueListenable<
- Mixed-in types
-
- StateMixin<
T>
- StateMixin<
- Implementers
- Available extensions
Constructors
- Value(T val)
Properties
- hashCode → int
-
The hash code for this object.
no setterinherited
- hasListeners → bool
-
Whether any listeners are currently registered.
no setterinherited
- hasSubscribers → bool
-
Returns true if there is at least one active listener.
no setterinherited
- isDisposed → bool
-
no setterinherited
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
- state → T
-
no setterinherited
-
status
↔ GetStatus<
T> -
getter/setter pairinherited
- value ↔ T
-
The current value of the object.
getter/setter pairoverride
Methods
-
addListener(
VoidCallback listener) → Disposer -
Register a closure to be called when the object changes.
inherited
-
addListenerId(
Object? key, VoidCallback listener) → Disposer -
Adds a listener to a specific group identified by
key.inherited -
call(
[T? v]) → T? -
change(
T? newState, {GetStatus< T> ? status}) → void -
inherited
-
containsId(
Object id) → bool -
Checks if a listener group with the given ID exists.
inherited
-
dispose(
) → void -
Disposes all listener groups.
inherited
-
disposeId(
Object id) → void -
Disposes a specific listener group.
inherited
-
ensureGroupListenable(
Object id) → ChangeNotifier -
Ensures a group ChangeNotifier exists for
idand returns it.inherited -
futurize(
Future< T> body(), {T? initialData, String? errorMessage, bool useEmpty = true}) → void -
inherited
-
noSuchMethod(
Invocation invocation) → dynamic -
Invoked when a nonexistent method or property is accessed.
inherited
-
notifyGroupChildrens(
Object id) → void -
Reports that a listener group was read.
inherited
-
notifyListeners(
) → void -
Call all the registered listeners.
inherited
-
obx(
NotifierBuilder< T> widget, {Widget onError(String? error)?, Widget? onLoading, Widget? onEmpty, WidgetBuilder? onCustom}) → Widget -
Available on StateMixin<
T> , provided by the StateExt extension -
onCancel(
) → void -
Called when the last remaining listener is removed.
inherited
-
onListen(
) → void -
Called when a first listener is added after having none.
inherited
-
refresh(
) → void -
Notifies all listeners to update using Flutter's native ChangeNotifier.
inherited
-
refreshGroup(
Object id) → void -
Refreshes only the listeners in a specific group.
inherited
-
removeListener(
VoidCallback listener) → void -
Remove a previously registered closure from the list of closures that are
notified when the object changes.
inherited
-
removeListenerId(
Object id, VoidCallback listener) → void -
Removes a listener from a specific group.
inherited
-
reportAdd(
VoidCallback disposer) → void -
Reports a disposer callback to the global notifier.
inherited
-
reportRead(
) → void -
Reports that this notifier was read.
inherited
-
setEmpty(
) → void -
inherited
-
setError(
Object error) → void -
inherited
-
setLoading(
) → void -
inherited
-
setSuccess(
T data) → void -
inherited
-
toJson(
) → Object? -
toString(
) → String -
A string representation of this object.
override
-
update(
T fn(T? value)) → void
Operators
-
operator ==(
Object other) → bool -
The equality operator.
inherited