anchor.diff:              "",
               new List<String>.from({
                 DateTime.fromMillisecondsSinceEpoch(
  -                      DateTime.now().millisecondsSinceEpoch)
  +                  DateTime.now().millisecondsSinceEpoch)
                     .toString()
               }),
               true,
  
positive.code:                   // Appearance
                    characteristic.read().then((deviceType) {
                      scannedObjects[scannedDevice.id.toString()].deviceType =
                          deviceTypes.containsKey(deviceType.toString())
                              ? deviceTypes[deviceType.toString()]
                              : " ";
                    });
                  }
                });
  
negative.code: import 'package:campus_mobile_experimental/app_constants.dart';
  import 'package:campus_mobile_experimental/app_networking.dart';
  import 'package:campus_mobile_experimental/core/providers/user.dart';
  import 'package:dio/dio.dart';
  import 'package:flutter/material.dart';
  import 'package:flutter_blue/flutter_blue.dart';
  import 'package:flutter_secure_storage/flutter_secure_storage.dart';
  