setCountdownAlarm method

Implementation

@override
Future<String> setCountdownAlarm({
  required int countdownDurationInSeconds,
  required int repeatDurationInSeconds,
  String? label,
  String? tintColor,
}) async {
  try {
    final args = {
      'countdownDurationInSeconds': countdownDurationInSeconds,
      'repeatDurationInSeconds': repeatDurationInSeconds,
      if (label != null) 'label': label,
      if (tintColor != null) 'tintColor': tintColor,
    };

    final alarmId = await methodChannel.invokeMethod<String>(
      'setCountdownAlarm',
      args,
    );

    if (alarmId == null) {
      throw PlatformException(
        code: 'UNKNOWN_ERROR',
        message: 'Failed to schedule alarm: null result',
      );
    }

    return alarmId;
  } on PlatformException catch (e) {
    if (e.code == 'UNSUPPORTED_VERSION') {
      throw PlatformException(
        code: 'UNSUPPORTED_VERSION',
        message: 'AlarmKit is only available on iOS 26.0 and above',
      );
    }
    rethrow;
  }
}