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Published 4 years ago Dart 3 incompatible• Latest: 0.2.8
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Convenient integration tencent imsdk, developers can easily use imsdk on flutter.Developers all need to do is to apply appid on imsdk platform application, then you can enjoy imsdk on flutter.The deve [...]

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example/lib/main.dart

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

import 'package:flutter/services.dart';
import 'package:dim/dim.dart';

import 'dart:math';

void main() => runApp(new MyApp());

class MyApp extends StatefulWidget {
  @override
  _MyAppState createState() => new _MyAppState();
}

class _MyAppState extends State<MyApp> {
  Dim _dim = new Dim();

  String _result = "";

  List<dynamic> _users = List();

  //在另外一个手机上测试改变下用户，靠这里了
  int _currentUser = 1;

  int appid = 1400215656;

  StreamSubscription<dynamic> _messageStreamSubscription;

  @override
  void initState() {
    super.initState();
    initPlatformState();
    _users.add({
      'username': 'hoolly1',
      'sig':
          "eJxlj8FPgzAche-8FYTrjLbQgngbbkEmHIgzZF4Iwg*obLTSssmM-7sRNTbxXb8v7*W9G6ZpWtv44bIoSz72KleTAMu8MS1kXfxBIViVFyp3huofhDfBBsiLWsEwQ0wptRHSHVZBr1jNfoyW8-1*wpogqy6fV74bCEI2pi51dYU1M0zWu9soXWUp37Q0CKYoCGJVPi3ASRkbty*CyCQeC7dZc1igFK5OUbvchMdyyvz7tqulF3qrJT3Is-vYvI4nz92hwc-EHQnpM0k6bVKxA-xe8sk19oij0SMMkvF*FmyEKbYd9BXL*DA*AfzTXb0_"
    });
    _users.add({
      'username': 'hoolly2',
      'sig':
          "eJxlj8FOg0AURfd8BWFbIzMDM60mLhqUhNpqacUFGwKdgb4yDATGltb470bUSOLbnpN773s3TNO0Xpbb63S3q9*UTvS5EZZ5a1rIuvqDTQM8SXXitPwfFH0DrUjSXIt2gJhSShAaO8CF0pDDj7GvaynPZCR0vEyGlu8EFyGCKaNsrEAxwNVD5AXhPeHk4D1uTq7wudL9pVB9PJmjCmTZ*pn0Q8*3N9sc8qciKBbsGOBYnEo2E5nM9yxmr5FcVwd7MWEdrHHozLPnVbS0w7tRpYZK-L50487wdDrefBRtB7UaBIIwxcRBX2cZH8YnH3NdyQ__"
    });
    _users.add({
      'username': 'hoolly3',
      'sig':
          "eJxlj11PgzAARd-5FU2fjbZA2ccbwW0QYbqMEeSlAdpB2YQGyiYx-ncjakbifT0n9*Z*aAAAGPr7*zTPm75WVA2SQ7AEEMG7G5RSMJoqarTsH*TvUrScpkfF2xFiQoiO0NQRjNdKHMWvUTbN*TwYE6FjJzqu-DSYCOmYWMSaKqIYYbB6dbyd40XeY6i8uHpyS5*blzBKtv1zvtrGa9Zd1yeLWb0hrzxyba*0g83eVpsgr5wC6Vl8KHYvWZUmTvdQJ2o4ZHXH0eD77tywJ5NKvPG-SwtzjmeL2YReeNuJph4FHWGCdQN9B2qf2hc3HF5a"
    });
  }

  // Platform messages are asynchronous, so we initialize in an async method.
  Future<void> initPlatformState() async {
    String platformVersion;
    // Platform messages may fail, so we use a try/catch PlatformException.
    try {
      platformVersion = await _dim.platformVersion;
    } on PlatformException {
      platformVersion = 'Failed to get platform version.';
    }
    // If the widget was removed from the tree while the asynchronous platform
    // message was in flight, we want to discard the reply rather than calling
    // setState to update our non-existent appearance.
    if (!mounted) return;

    if (_messageStreamSubscription == null) {
      _messageStreamSubscription = _dim.onMessage.listen((dynamic onData) {
        print("我监听到数据了$onData");
      });
    }
  }

  @override
  void dispose() {
    // TODO: implement dispose
    super.dispose();
    //flutter 这里应该页面退出栈会调用，但是如果这个是根页面，日志是打不出来的。
    canCelListener();
  }

  @override
  Widget build(BuildContext context) {
    return new MaterialApp(
      home: new Scaffold(
        appBar: new AppBar(
          title: Text('当前账号' + _users[_currentUser]["username"]),
        ),
        body: new Center(
          child: CustomScrollView(
            primary: false,
            slivers: <Widget>[
              SliverPersistentHeader(
                delegate: _SliverAppBarDelegate(
                    minHeight: 30,
                    maxHeight: 200,
                    child: Container(
                      margin: EdgeInsets.all(10),
                      padding: EdgeInsets.all(4),
                      decoration: BoxDecoration(
                          border: Border.all(),
                          borderRadius: BorderRadius.all(Radius.circular(5))),
                      child: SingleChildScrollView(
                        child: Text(_result.isEmpty ? "这里显示输出结果" : _result),
                      ),
                    )),
                pinned: true,
              ),
              SliverPadding(
                padding: const EdgeInsets.all(10.0),
                sliver: SliverGrid.count(
                  crossAxisSpacing: 10.0,
                  mainAxisSpacing: 10.0,
                  crossAxisCount: 4,
                  children: <Widget>[
                    RaisedButton(
                      onPressed: () {
                        init();
                      },
                      child: Text('初始化'),
                    ),
                    RaisedButton(
                      onPressed: () {
                        login();
                      },
                      child: Text('登录'),
                    ),
                    RaisedButton(
                      onPressed: () {
                        logout();
                      },
                      child: Text('登出'),
                    ),
//                    RaisedButton(
//                      onPressed: () {
//                        postData();
//                      },
//                      child: Text('测试发送数据'),
//                    ),
//                    RaisedButton(
//                      onPressed: () {
//                        canCelListener();
//                      },
//                      child: Text('取消监听'),
//                    ),
                    RaisedButton(
                      onPressed: () {
                        sendTextMsg();
                      },
                      child: Text('发文本'),
                    ),
                    RaisedButton(
                      onPressed: () {
                        sendImageMsg();
                      },
                      child: Text('发图片'),
                    ),
                    RaisedButton(
                      onPressed: () {
                        sendLocationMsg();
                      },
                      child: Text('发位置'),
                    ),
                    RaisedButton(
                      onPressed: () {
                        getMessages();
                      },
                      padding: EdgeInsets.all(0),
                      child: Text('历史消息'),
                    ),
                    RaisedButton(
                      onPressed: () {
                        getUserInfo();
                      },
                      child: Text('拿资料'),
                    ),
                    RaisedButton(
                      padding: EdgeInsets.all(0),
                      onPressed: () {
                        setUserInfo();
                      },
                      child: Text('设置资料'),
                    ),
                    RaisedButton(
                      padding: EdgeInsets.all(0),
                      onPressed: () {
                        getConversations();
                      },
                      child: Text('会话列表'),
                    ),
                  ],
                ),
              ),
            ],
          ),
        ),
      ),
    );
  }

  Future<void> postData() async {
    try {
      var result = await _dim.postDataTest();
      setState(() {
        this._result = result;
      });
      print(result);
    } on PlatformException {
      print("listen  失败");
    }
  }

  Future<void> sendTextMsg() async {
    try {
      var result = await _dim.sendTextMessages(
          _users[_users.length - _currentUser-1]['username'], "haahah");
      print(result);
      setState(() {
        this._result = result;
      });
    } on PlatformException {
      print("发送消息失败");
      setState(() {
        this._result = "发送消息失败";
      });
    }
  }

  Future<void> sendImageMsg() async {
    try {
      var result = await _dim.sendImageMessages(
          _users[_users.length - _currentUser-1]['username'], "tyyhuiijkoi.png");
      print(result);
      setState(() {
        this._result = result;
      });
    } on PlatformException {
      print("发送图片消息失败");
      setState(() {
        this._result = "发送图片消息失败";
      });
    }
  }

  Future<void> sendLocationMsg() async {
    try {
      var result = await _dim.sendLocationMessages(
          _users[_users.length - _currentUser-1]['username'], 113.93, 22.54, "腾讯大厦");
      print(result);
      setState(() {
        this._result = result;
      });
    } on PlatformException {
      print("发送位置消息失败");
      setState(() {
        this._result = "发送位置消息失败";
      });
    }
  }

  ///测试化测试，这里传自己应用的appid
  Future<void> init() async {
    try {
      var result = await _dim.init(appid);
      print(result);
      setState(() {
        this._result = result;
      });
    } on PlatformException {
      print("初始化失败");
    }
  }

  ///第一个测试账号
  Future<void> login() async {
    try {
      var result = await _dim.imLogin(_users[_currentUser]['username'], _users[_currentUser]['sig']);
      print(result);
      setState(() {
        this._result = result;
      });
    } on PlatformException {
      print("登录  失败");
    }
  }

  Future<void> logout() async {
    try {
      var result = await _dim.imLogout();
      print(result);
      setState(() {
        this._result = result;
      });
    } on PlatformException {
      print("登出  失败");
    }
  }

  Future<dynamic> getMessages() async {
    try {
      var result = await _dim.getMessages(
        _users[_users.length - _currentUser-1]['username'],
      );
      print(result);
      setState(() {
        this._result = result;
      });
    } on PlatformException {}
  }

  void canCelListener() {
    if (_messageStreamSubscription != null) {
      _messageStreamSubscription.cancel();
    }
  }

  void getUserInfo() async {
    try {
      List<String> users = List();
      users.add(_users[_users.length - _currentUser-1]['username']);
      var result = await _dim.getUsersProfile(users);
      print(result);
      setState(() {
        this._result = result;
      });
    } on PlatformException {
      print("获取个人资料失败");
    }
  }

  void setUserInfo() async {
    try {
      var result = await _dim.setUsersProfile(
          1, "hz", "https://www.brzhang.club/images/hz.png");
      print(result);
      setState(() {
        this._result = result;
      });
    } on PlatformException {
      print("获取个人资料失败");
    }
  }

  void getConversations() async {
    try {
      var result = await _dim.getConversations();
      print(result);
      setState(() {
        this._result = result;
      });
    } on PlatformException {
      print("获取会话列表失败");
    }
  }
}

class _SliverAppBarDelegate extends SliverPersistentHeaderDelegate {
  _SliverAppBarDelegate({
    @required this.minHeight,
    @required this.maxHeight,
    @required this.child,
  });

  final double minHeight;
  final double maxHeight;
  final Widget child;

  @override
  double get minExtent => minHeight;

  @override
  double get maxExtent => max(maxHeight, minHeight);

  @override
  Widget build(
      BuildContext context, double shrinkOffset, bool overlapsContent) {
    return new SizedBox.expand(child: child);
  }

  @override
  bool shouldRebuild(_SliverAppBarDelegate oldDelegate) {
    return maxHeight != oldDelegate.maxHeight ||
        minHeight != oldDelegate.minHeight ||
        child != oldDelegate.child;
  }
}

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Metadata

Convenient integration tencent imsdk, developers can easily use imsdk on flutter.Developers all need to do is to apply appid on imsdk platform application, then you can enjoy imsdk on flutter.The developer does not need to care about any configuration of the double platform。

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Dependencies

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