Inheritance
Implemented types
Mixed-in types
Implementers
Properties
hashCode
→ int
The hash code for this object.
no setter inherited
hasListeners
→ bool
Whether any listeners are currently registered.
no setter inherited
runtimeType
→ Type
A representation of the runtime type of the object.
no setter inherited
value
→ T
The current value of the object. When the value changes, the callbacks
registered with addListener will be invoked.
no setter inherited
Methods
addListener (VoidCallback listener )
→ void
Register a closure to be called when the object changes.
inherited
addValueListener (ValueCallback <T > listener )
→ void
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, addValueListener, removeListener and removeValueListener)
will throw after the object is disposed).
inherited
noSuchMethod (Invocation invocation )
→ dynamic
Invoked when a nonexistent method or property is accessed.
inherited
notifyListeners ()
→ void
Call all the registered listeners.
inherited
removeListener (VoidCallback listener )
→ void
Remove a previously registered closure from the list of closures that are
notified when the object changes.
inherited
removeValueListener (ValueCallback <T > listener )
→ void
inherited
toString ()
→ String
A string representation of this object.
inherited