ValueListener class

The ValueNotifier feature provides functionality to make it possible for components to add listener to the ValueNotifier.

Constructors

ValueListener.new()

Properties

hashCode → int

The hash code for this object.

no setter, inherited

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

Methods

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

toString() → String

A string representation of this object.

inherited

Operators

operator ==(Object other) → bool

The equality operator.

inherited

Static Methods

use<T>(ValueNotifier<T> notifier, void action(T value)) → void

The use method takes as an argument a function to be used as a listener and adds it to the ValueNotifier listeners.