AbsoluteChangeNotifier class
定义一个自定义的 ChangeNotifier 类 AbsoluteChangeNotifier，用于处理状态变化通知
- Inheritance
-
- Object
- ChangeNotifier
- AbsoluteChangeNotifier
- Implementers
Constructors
Properties
- disposed → bool
-
no setter
- hashCode → int
-
The hash code for this object.
no setterinherited
- hasListeners → bool
-
Whether any listeners are currently registered.
no setterinherited
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
Methods
-
addListener(
VoidCallback listener) → void -
Register a closure to be called when the object changes.
inherited
-
dispose(
) → void -
重写 dispose 方法，在销毁时标记 disposed 为 true
override
-
noSuchMethod(
Invocation invocation) → dynamic -
Invoked when a nonexistent method or property is accessed.
inherited
-
notifyListeners(
) → void -
重写 notifyListeners 方法，只有在未销毁时才通知监听器
override
-
removeListener(
VoidCallback listener) → void -
Remove a previously registered closure from the list of closures that are
notified when the object changes.
inherited
-
toString(
) → String -
A string representation of this object.
inherited
Operators
-
operator ==(
Object other) → bool -
The equality operator.
inherited