startService method

@override Future<bool> startService({ required AndroidNotificationOptions androidNotificationOptions, required IOSNotificationOptions iosNotificationOptions, required ForegroundTaskOptions foregroundTaskOptions, required String notificationTitle, required String notificationText, Function? callback, })

Implementation

@override
Future<bool> startService({
  required AndroidNotificationOptions androidNotificationOptions,
  required IOSNotificationOptions iosNotificationOptions,
  required ForegroundTaskOptions foregroundTaskOptions,
  required String notificationTitle,
  required String notificationText,
  Function? callback,
}) async {
  if (await isRunningService) {
    return true;
  }

  // for Android 13
  if (Platform.isAndroid && await attachedActivity) {
    try {
      final NotificationPermission notificationPermissionStatus =
          await checkNotificationPermission();
      if (notificationPermissionStatus != NotificationPermission.granted) {
        await requestNotificationPermission();
      }
    } catch (_) {
      //
    }
  }

  final options = <String, dynamic>{
    if (Platform.isAndroid)
      ...androidNotificationOptions.toJson()
    else
      ...iosNotificationOptions.toJson(),
    'notificationContentTitle': notificationTitle,
    'notificationContentText': notificationText,
    ...foregroundTaskOptions.toJson(),
  };
  if (callback != null) {
    options['callbackHandle'] =
        PluginUtilities.getCallbackHandle(callback)?.toRawHandle();
  }

  final bool reqResult =
      await methodChannel.invokeMethod('startService', options);
  if (!reqResult) {
    return false;
  }

  final Stopwatch stopwatch = Stopwatch()..start();
  bool startState = false;
  await Future.doWhile(() async {
    startState = await isRunningService;

    // official doc: Once the service has been created, the service must call its startForeground() method within five seconds.
    // ref: https://developer.android.com/guide/components/services#StartingAService
    if (startState || stopwatch.elapsedMilliseconds > 5 * 1000) {
      return false;
    } else {
      await Future.delayed(const Duration(milliseconds: 100));
      return true;
    }
  });

  return startState;
}