SpinnerController class

A ValueNotifier that cycles through Spinner.frames on a periodic timer.

final controller = SpinnerController(Spinners.scanner());

// In build:
ValueListenableBuilder<String>(
  valueListenable: controller,
  builder: (context, frame, _) => Text(frame),
)
Inheritance

Constructors

SpinnerController(Spinner spinner, {bool autoStart = true})
Creates a controller that animates spinner.

Properties

hashCode → int
The hash code for this object.
no setterinherited
hasListeners → bool
Whether any listeners are currently registered.
no setterinherited
isRunning → bool
Whether the animation is currently running.
no setter
runtimeType → Type
A representation of the runtime type of the object.
no setterinherited
spinner → Spinner
The spinner animation being driven.
final
value ↔ String
The current value held by this object.
getter/setter pairinherited

Methods

addListener(void listener()) → void
Register listener to be called when the object notifies.
inherited
dispose() → void
Releases all listeners. After this call the notifier should not be used.
override
noSuchMethod(Invocation invocation) → dynamic
Invoked when a nonexistent method or property is accessed.
inherited
notifyListeners() → void
Notify all registered listeners.
inherited
removeListener(void listener()) → void
Remove a previously registered listener.
inherited
start() → void
Starts or restarts the animation from the first frame.
stop() → void
Stops the animation.
throwIfDisposed() → void
Throws StateError if this notifier has already been disposed.
inherited
toString() → String
A string representation of this object.
inherited

Operators

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