Class ChangeNotifier

Inheritance
System.Object
ChangeNotifier
ValueNotifier<T>
TabController
ViewportOffset
FocusNode
KeepAliveHandle
ScrollbarPainter
ScrollController
SliverOverlapAbsorberHandle
Namespace: Unity.UIWidgets.foundation
Syntax
public class ChangeNotifier : Listenable

Properties

hasListeners

Declaration
protected bool hasListeners { get; }
Property Value
Type Description
System.Boolean

Methods

addListener(VoidCallback)

Declaration
public void addListener(VoidCallback listener)
Parameters
Type Name Description
VoidCallback listener
Implements

dispose()

Declaration
public virtual void dispose()

notifyListeners()

Declaration
protected virtual void notifyListeners()

removeListener(VoidCallback)

Declaration
public void removeListener(VoidCallback listener)
Parameters
Type Name Description
VoidCallback listener
Implements