INNER CODE UNIT · Dart

onEnabledChange

transistorsoft/flutter_background_geolocation · lib/models/background_geolocation.dart:1644

  static Subscription onEnabledChange(Function(bool) callback) {
    if (_eventsEnabledChange == null) {
      _eventsEnabledChange = _eventChannelEnabledChange
          .receiveBroadcastStream()
          .map((dynamic enabled) => enabled as bool);
    }
    _registerSubscription(_eventsEnabledChange!.listen(callback), callback);
    return Subscription._(() async {
      removeListener(callback);
    });
  }

  /// Subscribe to state changes in OS power-saving system.
  ///
  /// Fired when the state of the operating-system's "Power Saving" mode changes.  Your `callback` will be provided with a `bool` showing whether "Power Saving" is **enabled** or **disabled**.  Power Saving mode can throttle certain services in the background, such as HTTP requests or GPS.
  ///
  ///  **NOTE:** You can manually request the current-state of "Power Saving" mode with the method [DeviceSettings.isPowerSaveMode].
  ///

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