ObservableValue<T> class
Class that represents our observable
- Inheritance
-
- Object
- ChangeNotifier
- ObservableValue
- Implementers
- Available Extensions
Constructors
- ObservableValue({required T value})
- Constructor to init ObservableValue with value
Properties
- hashCode → int
-
The hash code for this object.
no setterinherited
- hasListeners → bool
-
Whether any listeners are currently registered.
no setterinherited
- lastValue → T?
-
Get las value of the observable
no setter
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
- setValueWithoutNotify ← T
-
Method uses to set value without notify listeners
no getter
- value ↔ T
-
Get current value of the observable
getter/setter pair
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).
override
-
modify(
ModifyValue< T> modify) → void - user do modify value. recommended return new instance (use copyWith if is possible).
-
noSuchMethod(
Invocation invocation) → dynamic -
Invoked when a nonexistent 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.
inherited
-
update(
T value) → void - uses to update value
Operators
-
operator ==(
Object other) → bool -
The equality operator.
inherited