ValueChangeNotifier<T> class

This class is a customized version of ValueNotifier which Takes a key and value.

Value - Setting value which is associated to the key

Inheritance

Constructors

ValueChangeNotifier(String key, dynamic value)

Properties

hashCode int
The hash code for this object.
read-onlyinherited
hasListeners bool
Whether any listeners are currently registered.
@protectedread-onlyinherited
key String
A String which represents a setting (assumed to be unique)
final
runtimeType Type
A representation of the runtime type of the object.
read-onlyinherited
value ↔ T
The current value stored in this notifier.
read / writeinherited-getteroverride-setter

Methods

addListener(VoidCallback listener) → void
Register a closure to be called when the object changes.
inherited
dispose() → void
Discards any resources used by the object. After this is called, the object is not in a usable state and should be discarded (calls to addListener will throw after the object is disposed).
@mustCallSuperinherited
noSuchMethod(Invocation invocation) → dynamic
Invoked when a non-existent method or property is accessed.
inherited
notifyListeners() → void
Call all the registered listeners.
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.
override

Operators

operator ==(Object other) bool
The equality operator.
inherited