import 'package:flutter/material.dart'; import 'package:flutter_openim_sdk/flutter_openim_sdk.dart'; void main() { runApp(MyApp()); } class MyApp extends StatefulWidget { @override _MyAppState createState() => _MyAppState(); } class _MyAppState extends State { @override void initState() { super.initState(); OpenIM.iMManager.initSDK( platformID: 1, apiAddr: '', wsAddr: '', dataDir: '/', listener: OnConnectListener()); } @override Widget build(BuildContext context) { return MaterialApp( home: Scaffold( appBar: AppBar( title: const Text('Plugin example app'), ), body: Column( children: [ TextButton(onPressed: () {}, child: Text('login')), ], ), ), ); } }