open-im-sdk-flutter-m/example/lib/main.dart

import 'package:flutter/material.dart';
import 'package:flutter_openim_sdk/flutter_openim_sdk.dart';

void main() {
  try {
    runApp(const MyApp());
  } catch (e, stackTrace) {
    print('Error during app startup: $e');
    print('Stack trace: $stackTrace');
  }
}

class MyApp extends StatefulWidget {
  const MyApp({super.key});

  @override
  _MyAppState createState() => _MyAppState();
}

class _MyAppState extends State<MyApp> {
  Future<void> send() async {
    OpenIM.iMManager.messageManager
        .sendMessage(
            userID: "724f91aceb434a28a1cd10f5564b2c68",
            message: await OpenIM.iMManager.messageManager
                .createTextMessage(text: 'hello openim'),
            offlinePushInfo: OfflinePushInfo(title: 'title', desc: 'desc'))
        .then((value) {
      print('send success');
    }).catchError((error) {
      print('send error');
    });
  }

  @override
  void initState() {
    super.initState();
    OpenIM.iMManager
        .initSDK(
            platformID: 3,
            apiAddr: 'http://192.168.77.135:10002',
            wsAddr: 'ws://192.168.77.135:10001',
            dataDir: './',
            listener: OnConnectListener())
        .then((value) {});
    OpenIM.iMManager.userManager.setUserListener(OnUserListener());

    OpenIM.iMManager
        .login(
            userID: "8bfe13b5eac44e87963652abb91d80d2",
            token:
                "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJVc2VySUQiOiI4YmZlMTNiNWVhYzQ0ZTg3OTYzNjUyYWJiOTFkODBkMiIsIlBsYXRmb3JtSUQiOjMsImV4cCI6MTc1NDM2NDkwNCwiaWF0IjoxNzQ2NTg4ODk5fQ.575xwR9lzJo1i5Te-Ul-99odONfxbzDXW0_2Kv3nFEE")
        .then((value) {
      List<String> list = [];
      OpenIM.iMManager.userManager.subscribeUsersStatus(list);
      send();
      OpenIM.iMManager.conversationManager
          .getAllConversationList()
          .then((value) {
        print('Get all conversation list successful');
      });
    }).catchError((error) {});
  }

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      home: Scaffold(
        appBar: AppBar(
          title: const Text('Plugin example app'),
        ),
        body: Column(
          children: [
            TextButton(onPressed: () {}, child: const Text('login')),
          ],
        ),
      ),
    );
  }
}