SwiftController class abstract

Base class for controllers that manage state.

Controllers are the only place where state can be modified. Views can only read state - values are automatically read-only from views.

Example:

class CounterController extends SwiftController {
  // Just use swift() - automatically read-only from views!
  final counter = swift(0);
  final name = swift('Hello');
  
  // Only controllers can modify state
  void increment() => counter.value++;
  void updateName(String n) => name.value = n;
}

// In view:
class MyView extends StatefulWidget {
  @override
  Widget build(BuildContext context) {
    final controller = CounterController();
    return Swift(
      builder: (context) => Text('${controller.counter.value}'),
    );
    // ✅ Can read: controller.counter.value
    // ✅ Can call: controller.increment()
    // ❌ Cannot modify: controller.counter.value = 10 (runtime error)
  }
}
Inheritance
Available extensions

Constructors

SwiftController()
Constructor

Properties

hashCode → int
The hash code for this object.
no setterinherited
hasListeners → bool
Whether any listeners are currently registered.
no setterinherited
isDisposed → bool
Check if controller is disposed
no setter
runtimeType → Type
A representation of the runtime type of the object.
no setterinherited

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
noSuchMethod(Invocation invocation) → dynamic
Invoked when a nonexistent method or property is accessed.
inherited
notifyListeners() → void
Call all the registered listeners.
inherited
notifyListenersTransaction() → void

Available on ChangeNotifier, provided by the TransactionNotifier extension

Notifies listeners, respecting transaction context.
readOnly<T>(SwiftValue<T> swift) → ReadOnlyRx<T>
Create a read-only wrapper for a SwiftValue This is a convenience method that also registers it for disposal
registerReadOnlyRx<T>(ReadOnlyRx<T> readOnlyRx) → void
Register a ReadOnlyRx to be automatically disposed
registerRx<T>(SwiftValue<T> swift) → void
Register a SwiftValue to be automatically disposed This is optional - you can manage disposal manually if preferred
removeListener(VoidCallback listener) → void
Remove a previously registered closure from the list of closures that are notified when the object changes.
inherited
swift<T>(T value, {String? name}) → ControllerRx<T>
Create a swift value that's automatically read-only from views Use this instead of the global swift() function in controllers
toString() → String
A string representation of this object.
inherited

Operators

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