Flutter

// 开启麦克风采集，使用默认音质（推荐）
trtcCloud.startLocalAudio(TRTCAudioQuality.defaultMode);

// 以语音为主的场景（如在线会议），可使用人声模式，获得更强的弱网抗性
trtcCloud.startLocalAudio(TRTCAudioQuality.speech);

trtcCloud.stopLocalAudio();

// 静音指定远端用户（remoteUserId 为远端用户的 userId）
trtcCloud.muteRemoteAudio(remoteUserId, true);

// 静音所有远端用户
trtcCloud.muteAllRemoteAudio(true);

// 取消静音指定远端用户
trtcCloud.muteRemoteAudio(remoteUserId, false);

// 取消静音所有远端用户
trtcCloud.muteAllRemoteAudio(false);

trtcCloud.stopLocalPreview();
trtcCloud.stopLocalAudio();
trtcCloud.exitRoom();

void releaseTRTC() {
  trtcCloud.unRegisterListener(listener);
  TRTCCloud.destroySharedInstance();
}

import 'dart:io';

import 'package:flutter/material.dart';
import 'package:permission_handler/permission_handler.dart';
import 'package:tencent_rtc_sdk/trtc_cloud.dart';
import 'package:tencent_rtc_sdk/trtc_cloud_def.dart';
import 'package:tencent_rtc_sdk/trtc_cloud_listener.dart';
import 'package:tencent_rtc_sdk/trtc_cloud_video_view.dart';

const int sdkAppId = 0;          // 请替换为您的 SDKAppID
const String userId = 'user_a';  // 请替换为您的 userId
const String userSig = '';       // 请替换为该 userId 对应的 UserSig
const String roomId = '123abc';  // 请替换为您的房间号

void main() => runApp(const MaterialApp(home: VideoCallPage()));

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

  @override
  State<VideoCallPage> createState() => _VideoCallPageState();
}

class _VideoCallPageState extends State<VideoCallPage> {
  TRTCCloud? trtcCloud;
  late final TRTCCloudListener listener;
  final List<String> remoteUsers = [];

  @override
  void initState() {
    super.initState();
    listener = TRTCCloudListener(
      onError: (errCode, errMsg) => debugPrint('onError: $errCode, $errMsg'),
      onEnterRoom: (result) =>
          debugPrint(result > 0 ? '进房成功' : '进房失败: $result'),
      onUserVideoAvailable: onRemoteVideoChanged,
      onExitRoom: (reason) {
        trtcCloud?.unRegisterListener(listener);
        TRTCCloud.destroySharedInstance();
      },
    );
    start();
  }

  Future<void> start() async {
    if (!await requestPermissions()) {
      debugPrint('未获得相机或麦克风权限');
      return;
    }
    final cloud = await TRTCCloud.sharedInstance();
    cloud.registerListener(listener);
    cloud.enterRoom(
      TRTCParams(
        sdkAppId: sdkAppId,
        userId: userId,
        userSig: userSig,
        strRoomId: roomId,
      ),
      TRTCAppScene.videoCall,
    );
    cloud.startLocalAudio(TRTCAudioQuality.defaultMode);
    if (mounted) setState(() => trtcCloud = cloud);
  }

  Future<bool> requestPermissions() async {
    if (!(Platform.isAndroid || TRTCPlatform.isOhos)) return true;
    final statuses = await [Permission.camera, Permission.microphone].request();
    return statuses.values.every((status) => status.isGranted);
  }

  void onRemoteVideoChanged(String uid, bool available) {
    if (!mounted) return;
    setState(() {
      if (available) {
        if (!remoteUsers.contains(uid)) remoteUsers.add(uid);
      } else {
        remoteUsers.remove(uid);
        trtcCloud?.stopRemoteView(uid, TRTCVideoStreamType.big);
      }
    });
  }

  @override
  void dispose() {
    trtcCloud?.stopLocalPreview();
    trtcCloud?.stopLocalAudio();
    trtcCloud?.exitRoom();
    super.dispose();
  }

  @override
  Widget build(BuildContext context) {
    final cloud = trtcCloud;
    return Scaffold(
      appBar: AppBar(title: const Text('Room: $roomId')),
      body: cloud == null
          ? const Center(child: CircularProgressIndicator())
          : GridView.count(
              crossAxisCount: 2,
              children: [
                TRTCCloudVideoView(
                  key: const ValueKey('local'),
                  onViewCreated: (viewId) =>
                      cloud.startLocalPreview(true, viewId),
                ),
                for (final uid in remoteUsers)
                  TRTCCloudVideoView(
                    key: ValueKey('remote_$uid'),
                    onViewCreated: (viewId) => cloud.startRemoteView(
                        uid, TRTCVideoStreamType.big, viewId),
                  ),
              ],
            ),
      floatingActionButton: FloatingActionButton(
        backgroundColor: Colors.red,
        onPressed: () => Navigator.of(context).maybePop(),
        child: const Icon(Icons.call_end),
      ),
    );
  }
}