import 'package:flutter/material.dart'; import '../pages/userList.dart'; // 聊天主界面代理 阻止返回按钮 class WillRoute extends StatefulWidget { @override createState() { return _WillRouteState(); } } class _WillRouteState extends State { @override Widget build(BuildContext context) { return GestureDetector( child: WillPopScope( onWillPop: () async { return false; }, child: UserListPage(), ), ); } }