tencent cloud

sudo gem install cocoapods

pod init

platform :ios, '8.0'

# 将 App 修改为您项目的名称
target 'App' do
pod 'TXLiteAVSDK_TRTC', :podspec => 'https://liteav.sdk.qcloud.com/pod/liteavsdkspec/TXLiteAVSDK_TRTC.podspec'
end

pod install

@import TXLiteAVSDK_TRTC; // 引入 TRTC SDK 模块

@interface AppDelegate : UIResponder <UIApplicationDelegate, TRTCCloudDelegate> // 添加 TRTCCloudDelegate 接口声明

@property (nonatomic, strong) TRTCCloud *trtcCloud; // 添加 TRTCCloud 属性

- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {
    // 创建 TRTC 实例并设置监听
    _trtcCloud = [TRTCCloud sharedInstance];
    _trtcCloud.delegate = self;
    
    return YES;
}

// 监听并处理 `onError` 事件
- (void)onError:(TXLiteAVError)errCode
         errMsg:(nullable NSString *)errMsg
        extInfo:(nullable NSDictionary *)extInfo{
    // 处理 `Error` 事件，建议对 OnError 的信息通过 'toastTip:' 进行提示
    NSString *errCodeStr = [NSString stringWithFormat:@"%ld", (long)errCode];
    NSString *extInfoStr = extInfo ? [extInfo description] : @"";
    NSString *notification = [NSString stringWithFormat:@"%@, %@, %@", errCodeStr, errMsg, extInfoStr];
    [self toastTip:notification];
}

// 实现 'toastTip:'
- (void)toastTip:(NSString *)tip {
    UIAlertController *alert = [UIAlertController alertControllerWithTitle:@"Tip"
                                                                   message:tip
                                                            preferredStyle:UIAlertControllerStyleAlert];
    UIAlertAction *okAction = [UIAlertAction actionWithTitle:@"Confirm"
                                                       style:UIAlertActionStyleDefault
                                                     handler:nil];
    [alert addAction:okAction];
    [self.window.rootViewController presentViewController:alert animated:YES completion:nil];
    
    dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(2.0 * NSEC_PER_SEC)), dispatch_get_main_queue(), ^{
        [alert dismissViewControllerAnimated:YES completion:nil];
    });
}

@property (strong, nonatomic) UIWindow *window; // 添加 UIWindow 属性
@property (nonatomic, strong) UIView *localCameraVideoView; // 添加 UIView 属性

- (void)startLocalPreview {
    // 设置本地预览渲染参数
    TRTCRenderParams *trtcRenderParams = [[TRTCRenderParams alloc] init];
    trtcRenderParams.fillMode   = TRTCVideoFillMode_Fill;
    trtcRenderParams.mirrorType = TRTCVideoMirrorTypeAuto;
    
    AppDelegate *appDelegate = (AppDelegate *)[[UIApplication sharedApplication] delegate];
    [appDelegate.trtcCloud setLocalRenderParams:trtcRenderParams];

    // 对采集内容进行本地预览
    [appDelegate.trtcCloud startLocalPreview:YES view:self.localCameraVideoView];
}

AppDelegate *appDelegate = (AppDelegate *)[[UIApplication sharedApplication] delegate];
[appDelegate.trtcCloud stopLocalPreview];

// 默认开启前置摄像头，切换为后置摄像头
AppDelegate *appDelegate = (AppDelegate *)[[UIApplication sharedApplication] delegate];
TXDeviceManager * deviceManager = [appDelegate.trtcCloud getDeviceManager];
if([deviceManager isFrontCamera]) {
    [deviceManager switchCamera:false];
}

// 切换为前置摄像头
AppDelegate *appDelegate = (AppDelegate *)[[UIApplication sharedApplication] delegate];
TXDeviceManager * deviceManager = [appDelegate.trtcCloud getDeviceManager];
[deviceManager switchCamera:true];

// 若设备支持自动识别人脸位置，开启自动对焦功能
AppDelegate *appDelegate = (AppDelegate *)[[UIApplication sharedApplication] delegate];
TXDeviceManager * deviceManager = [appDelegate.trtcCloud getDeviceManager];
if([deviceManager isAutoFocusEnabled]) {
    [deviceManager enableCameraAutoFocus:true];
}

// 关闭自动对焦功能
AppDelegate *appDelegate = (AppDelegate *)[[UIApplication sharedApplication] delegate];
TXDeviceManager * deviceManager = [appDelegate.trtcCloud getDeviceManager];
[deviceManager enableCameraAutoFocus:false];

// 切换后置摄像头时可开启闪光灯
AppDelegate *appDelegate = (AppDelegate *)[[UIApplication sharedApplication] delegate];
TXDeviceManager * deviceManager = [appDelegate.trtcCloud getDeviceManager];
if(![deviceManager isFrontCamera]) {
    [deviceManager enableCameraTorch:true];
}

// 关闭闪光灯
AppDelegate *appDelegate = (AppDelegate *)[[UIApplication sharedApplication] delegate];
TXDeviceManager * deviceManager = [appDelegate.trtcCloud getDeviceManager];
[deviceManager enableCameraTorch:false];

#import "AppDelegate.h" // 引入 "AppDelegate.h" 文件

@interface ViewController ()

@end

@implementation ViewController

- (void)viewDidLoad {
    [super viewDidLoad];
    // Do any additional setup after loading the view.

    // 初始化 localCameraVideoView
    self.localCameraVideoView = [[UIView alloc] initWithFrame:self.view.bounds];
    self.localCameraVideoView.backgroundColor = [UIColor blackColor];
    
    [self viewDidAppear];
}

- (void)viewDidAppear {
    AppDelegate *appDelegate = (AppDelegate *)[[UIApplication sharedApplication] delegate];
    
    // 将 localCameraVideoView 添加到当前视图的视图层次结构中
    [self.view addSubview:self.localCameraVideoView];

    // 开启本地预览
    [appDelegate.trtcCloud startLocalPreview:YES view:self.localCameraVideoView];
}
@end