Flutter

    <uses-permission
        android:name="android.permission.INTERNET"/>
    <uses-permission
        android:name="android.permission.RECORD_AUDIO"/>
    <uses-permission
        android:name="android.permission.FOREGROUND_SERVICE"/>
    <uses-permission
        android:name="android.permission.ACCESS_NETWORK_STATE"/>
    <uses-permission
        android:name="android.permission.VIBRATE"/>
    <uses-permission
        android:name="android.permission.ACCESS_BACKGROUND_LOCATION"/>
    <uses-permission
        android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>
    <uses-permission
        android:name="android.permission.READ_EXTERNAL_STORAGE"/>
    <uses-permission
        android:name="android.permission.CAMERA"/>
    <uses-permission 
        android:name="android.permission.READ_MEDIA_IMAGES"/>
    <uses-permission 
        android:name="android.permission.READ_MEDIA_VIDEO"/>

/// main.dart
import 'package:tencent_cloud_chat_uikit/tencent_cloud_chat_uikit.dart';

final CoreServicesImpl _coreInstance = TIMUIKitCore.getInstance();
  @override
 void initState() {
   _coreInstance.init(
     sdkAppID: 0, // Replace 0 with the SDKAppID of your IM application when integrating
     // language: LanguageEnum.en, // 界面语言配置，若不配置，则跟随系统语言
     loglevel: LogLevelEnum.V2TIM_LOG_DEBUG,
     onTUIKitCallbackListener:  (TIMCallback callbackValue){}, // [建议配置，详见此部分](https://cloud.tencent.com/document/product/269/70746#callback)
     listener: V2TimSDKListener());
   super.initState();
 }
}

import 'package:tencent_cloud_chat_uikit/tencent_cloud_chat_uikit.dart';

final CoreServicesImpl _coreInstance = TIMUIKitCore.getInstance();
_coreInstance.login(userID: userID, userSig: userSig);

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

class Conversation extends StatelessWidget {
const Conversation({Key? key}) : super(key: key);
@override
Widget build(BuildContext context) {
return Scaffold(
  appBar: AppBar(
    title: const Text(
      "Message",
      style: TextStyle(color: Colors.black),
    ),
  ),
  body: TIMUIKitConversation(
    onTapItem: (selectedConv) {
    // 如果需要适配桌面端，此处需要参考 Demo 代码修改。
      Navigator.push(
          context,
          MaterialPageRoute(
            builder: (context) => Chat(
              selectedConversation: selectedConv,
            ),
          ));
    },
  ),
);
}
}

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

class Chat extends StatelessWidget {
final V2TimConversation selectedConversation;
const Chat({Key? key, required this.selectedConversation}) : super(key: key);
String? _getConvID() {
return selectedConversation.type == 1
    ? selectedConversation.userID
    : selectedConversation.groupID;
}
@override
Widget build(BuildContext context) {
return TIMUIKitChat(
  conversation: selectedConversation,
  onTapAvatar: (_) {
        // 如果需要适配桌面端，此处需要参考 Demo 代码修改。
        Navigator.push(
            context,
            MaterialPageRoute(
             builder: (context) => UserProfile(userID: userID),
        ));
  }, // Callback for the clicking of the message sender profile photo. This callback can be used with `TIMUIKitProfile`.
);
}

TIMUIKitChat(  
    conversation: V2TimConversation(
      conversationID: "c2c_10040818", // 单聊："c2c_${对方的userID}" ； 群聊："group_${groupID}"
      userID: "", // 仅单聊需要此字段，对方userID
      groupID: "", // 仅群聊需要此字段，群groupID
      showName: "", // 顶部 AppBar 显示的标题
      type: 1, // 单聊传1，群聊传2
      // 以上是最简化最基础的必要配置，您还可在此指定更多参数配置，根据 V2TimConversation 的注释
     ),
    // ......其他 TIMUIKitChat 的配置参数
);

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

class UserProfile extends StatelessWidget {
    final String userID;
    const UserProfile({required this.userID, Key? key}) : super(key: key);

    @override
    Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
       title: const Text(
         "Message",
         style: TextStyle(color: Colors.black),
       ),
     ),
     body: TIMUIKitProfile(
          userID: widget.userID,
     ),
    );
  }
}

import 'package:tencent_cloud_chat_uikit/ui/utils/screen_utils.dart';

final isDesktopScreen = TUIKitScreenUtils.getFormFactor(context) == DeviceType.Desktop;

import 'package:tencent_cloud_chat_uikit/ui/utils/platform.dart';

final bool isAndroid = PlatformUtils().isAndroid; // 判断当前是否是 Android 设备
final bool isWeb = PlatformUtils().isWeb; // 判断当前是否是网页
final bool isIOS = PlatformUtils().isIOS; // 判断当前是否是 iOS 设备
final bool isWindows = PlatformUtils().isWindows; // 判断当前是否是 Windows 桌面系统
final bool isMacOS = PlatformUtils().isMacOS; // 判断当前是否是 macOS 桌面系统
final bool isMobile = PlatformUtils().isMobile; // 判断当前是否是手机 app 应用，包含了 Android 及 iOS 设备。
final bool isDesktop = PlatformUtils().isDesktop; // 判断当前是否是桌面端应用，包含了 Windows 及 macOS 系统。

TUIKitScreenUtils.getDeviceWidget(  
    desktopWidget: Container(), // 桌面端 Widget。  
    defaultWidget: Container(), // 默认 Widget，必传。当对应平台的 Widget 没有传入时，用此 Widget 兜底。  
    mobileWidget: Container(), // 移动端 Widget。
);

@overrideWidget 
build(BuildContext context) {  
    Widget widgetBody() {    
      return const TIMUIKitBlackList(); // 这里替换成实际需要展示的 Widget
    }  
    return TUIKitScreenUtils.getDeviceWidget(      
      desktopWidget: widgetBody(), // 桌面端直接展示组件
      defaultWidget: Scaffold(  // 如非特殊情况，移动端可以使用 defaultWidget 默认，包含 Scaffold
        appBar: AppBar(),        
        body: widgetBody(),      
      )
    );
}

flutter build apk --no-tree-shake-icons --dart-define=SDK_APPID={您的SDKAPPID}

final CoreServicesImpl _coreInstance = TIMUIKitCore.getInstance();

final isInitSuccess = await _coreInstance.init(
  onTUIKitCallbackListener: (TIMCallback callbackValue){
    switch(callbackValue.type) {
      case TIMCallbackType.INFO:
        // Shows the recommend text for info callback directly
        Utils.toast(callbackValue.infoRecommendText!);
        break;
      case TIMCallbackType.API_ERROR:
        //Prints the API error to console, and shows the error message.
        print("Error from TUIKit: ${callbackValue.errorMsg}, Code: ${callbackValue.errorCode}");
        if (callbackValue.errorCode == 10004 && callbackValue.errorMsg!.contains("not support @all")) {
            Utils.toast(imt("当前群组不支持@全体成员"));
        }else{
          Utils.toast(callbackValue.errorMsg ?? callbackValue.errorCode.toString());
        }
        break;
      case TIMCallbackType.FLUTTER_ERROR:
      default:
        // prints the stack trace to console or shows the catch error
        if(callbackValue.catchError != null){
          Utils.toast(callbackValue.catchError.toString());
        }else{
          print(callbackValue.stackTrace);
        }
    }
  },
);