counter statenotifier

counter_notifier.dart

class CounterNotifier extends StateNotifier<CounterModel> with UtilityLogger {
  CounterNotifier() : super(_initialValue);

  static const _initialValue = CounterModel(0);

  void increment() {
    state = CounterModel(state.count + 1);
    // log our state change
    //myAppLog("count increased by 1");
    logger.info(penInfo("count increased by 1"));
  }
}

class CounterModel {
  const CounterModel(this.count);
  final int count;
}