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"/>

post_install do |installer|
  installer.pods_project.targets.each do |target|
    flutter_additional_ios_build_settings(target)
    target.build_configurations.each do |config|        
          config.build_settings['EXCLUDED_ARCHS[sdk=iphonesimulator*]'] = 'arm64'               
          config.build_settings['ENABLE_BITCODE'] = 'NO'        
          config.build_settings["ONLY_ACTIVE_ARCH"] = "NO"    
        end
    target.build_configurations.each do |config|
          config.build_settings['GCC_PREPROCESSOR_DEFINITIONS'] ||= [
            '$(inherited)',
            'PERMISSION_MICROPHONE=1',
            'PERMISSION_CAMERA=1',
            'PERMISSION_PHOTOS=1',
          ]
        end
  end
end

#在命令行执行：
flutter pub add tencent_cloud_chat_uikit

/// main.dart
import 'package:tencent_cloud_chat_uikit/tencent_cloud_chat_uikit.dart';
?
final CoreServicesImpl _coreInstance = TIMUIKitCore.getInstance();
?
// init sdk. call this api where you need.
_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](/document/product/269/70746#onTUIKitCallbackListener)
     listener: V2TimSDKListener(),
);

import 'package:tencent_cloud_chat_uikit/tencent_cloud_chat_uikit.dart';
?
final CoreServicesImpl _coreInstance = TIMUIKitCore.getInstance();
_coreInstance.login(userID: userID, userSig: userSig);

flutter pub add tencent_cloud_chat_sdk

import 'package:tencent_cloud_chat_sdk/enum/V2TimSDKListener.dart';
import 'package:tencent_cloud_chat_sdk/enum/log_level_enum.dart';
import 'package:tencent_cloud_chat_sdk/tencent_cloud_chat_sdk.dart';
TencentImSDKPlugin.v2TIMManager.initSDK(
  sdkAppID: 0, // Replace 0 with the SDKAppID of your IM application when integrating
  loglevel: LogLevelEnum.V2TIM_LOG_DEBUG, // Log
  listener: V2TimSDKListener(),
);

import 'package:tencent_cloud_chat_sdk/tencent_cloud_chat_sdk.dart';
V2TimCallback res = await TencentImSDKPlugin.v2TIMManager.login(
  userID: userID,
  userSig: userSig,
);

import 'package:tencent_cloud_chat_sdk/tencent_cloud_chat_sdk.dart';
?
V2TimValueCallback<V2TimMsgCreateInfoResult> createMessage =
      await TencentImSDKPlugin.v2TIMManager
          .getMessageManager()
          .createTextMessage(text: "The text to create");
?
String id = createMessage.data!.id!; // The message creation ID
?
V2TimValueCallback<V2TimMessage> res = await TencentImSDKPlugin.v2TIMManager
      .getMessageManager()
      .sendMessage(
          id: id, // Pass in the message creation ID to
          receiver: "The userID of the destination user",
          groupID: "The groupID of the destination group",
          );

import 'package:tencent_cloud_chat_sdk/tencent_cloud_chat_sdk.dart';
?
String nextSeq = "0";
?
getConversationList() async {
  V2TimValueCallback<V2TimConversationResult> res = await TencentImSDKPlugin
      .v2TIMManager
      .getConversationManager()
      .getConversationList(nextSeq: nextSeq, count: 10);
?
  nextSeq = res.data?.nextSeq ?? "0";
}

import 'package:tencent_cloud_chat_sdk/tencent_cloud_chat_sdk.dart';
?
  V2TimValueCallback<List<V2TimMessage>> res = await TencentImSDKPlugin
      .v2TIMManager
      .getMessageManager()
      .getGroupHistoryMessageList(
        groupID: "groupID",
        count: 20,
        lastMsgID: "",
      );
?
  List<V2TimMessage> msgList = res.data ?? [];
?
  // here you can use msgList to render your message list
    }

import 'package:tencent_cloud_chat_sdk/tencent_cloud_chat_sdk.dart';
?
final adVancesMsgListener = V2TimAdvancedMsgListener(
onRecvNewMessage: (V2TimMessage newMsg) {
  _onReceiveNewMsg(newMsg);
},
/// ... other listeners related to message
);
?
TencentImSDKPlugin.v2TIMManager
    .getMessageManager()
    .addAdvancedMsgListener(listener: adVancesMsgListener);

flutter pub add tencent_im_sdk_plugin_web

cd web
?
npm init
?
npm i tim-js-sdk
?
npm i tim-upload-plugin

<script src="./node_modules/tim-upload-plugin/index.js"></script>
<script src="./node_modules/tim-js-sdk/tim-js-friendship.js"></script>

flutter pub add tencent_im_sdk_plugin_desktop

<key>com.apple.security.app-sandbox</key>
<false/>

Error waiting for a debug connection: The log reader stopped unexpectedly, or never started. 
Error launching application on Windows.

Nuget.exe not found, trying to download or use cached version.