[Flutter][Package] Connectivity_plus (Wifi, 셀룰러, none 연결 여부)

• Flutter Connectivity_plus 공식 문서
  https://pub.dev/packages/connectivity_plus

• Flutter Connectivity_plus 사용 법 공식 문서
  https://plus.fluttercommunity.dev/docs/connectivity_plus/usage#wifi-or-cellular

1. pubspec.yaml

connectivity_plus: ^2.3.5

2. import

import 'package:connectivity_plus/connectivity_plus.dart';

//변수 that accesss to all methods in the API of 'Connectivity_plus 패키지'

  final Connectivity _connectivity = Connectivity();

//핸드폰 wifi 연결 여부

  void checkConnectivityWifi() async{
  
    //wifi, 셀룰러, None 셋 중 하나의 status를 가져오는 변수
    ConnectivityResult connectivityResult = await _connectivity.checkConnectivity();
    
    //핸드폰이 wifi에 연결 되었다면
    if (connectivityResult == ConnectivityResult.wifi) {
      print('wifi에 연결됨');
    }
  }