StateController<T> class
Null safety
A StateNotifier that allows modifying its state from outside.
This avoids having to make a StateNotifier subclass for simple scenarios.
- Inheritance
- Object
- StateNotifier<
T> - StateController
Constructors
- StateController(T state)
- Initialize the state of StateController.
Properties
- debugState → T
-
A development-only way to access state outside of StateNotifier. [...]
read-only, inherited
- hashCode → int
-
The hash code for this object. [...]
read-only, inherited
- hasListeners → bool
-
If a listener has been added using addListener and hasn't been removed yet.
read-only, inherited
- mounted → bool
-
Whether dispose was called or not.
read-only, inherited
- onError ↔ ErrorListener?
-
A callback for error reporting if one of the listeners added with addListener throws. [...]
read / write, inherited
- runtimeType → Type
-
A representation of the runtime type of the object.
read-only, inherited
- state ↔ T
-
The current "state" of this StateNotifier. [...]
read / write, override
-
stream
→ Stream<
T> -
A broadcast stream representation of a StateNotifier.
read-only, inherited
Methods
-
addListener(
Listener< T> listener, {bool fireImmediately = true}) → RemoveListener -
Subscribes to this object. [...]
inherited
-
dispose(
) → void -
Frees all the resources associated to this object. [...]
@mustCallSuper, inherited
-
noSuchMethod(
Invocation invocation) → dynamic -
Invoked when a non-existent method or property is accessed. [...]
inherited
-
toString(
) → String -
A string representation of this object. [...]
inherited
-
update(
T cb(T state)) → T -
Calls a function with the current
stateand assign the result as new state [...] -
updateShouldNotify(
T old, T current) → bool -
Whether to notify listeners or not when state changes
@protected, inherited
Operators
-
operator ==(
Object other) → bool -
The equality operator. [...]
inherited