stopNotifications method

@override Future<bool> stopNotifications(String deviceId, String service, String characteristic, int timeout,)

Implementation

@override
Future<bool> stopNotifications(
  String deviceId,
    String service,
    String characteristic,
    int timeout
    ) async {
      final key = "notification|$deviceId|$service|$characteristic";
      _notificationStreams[key]?.cancel();
      _notificationStreams.remove(key);

      final result = await _methodChannel
      .invokeMethod<Map<dynamic, dynamic>?>('stopNotifications', {
        'deviceId': deviceId,
        'service': service,
        'characteristic': characteristic,
        'timeout': timeout,
      });
      if (result == null
        || result["value"] == null
        ) {
        throw PlatformException(code: "stopNotifications(): error retrieving value");
      }
      return result["value"];
}