有奖捉虫:办公协同&微信生态&物联网文档专题 HOT

iOS 端

1. 创建App Group,参见实时音视频文档中 步骤 1:创建 App Group
2. 创建Broadcast Upload Extension,参见实时音视频文档中 步骤 2:创建 Broadcast Upload Extension
3. 为新创建的 Target,依赖 TCICSDK_ReplayKit,如下代码,之后重新 pod install 即可。
target '新target名' do
# Comment the next line if you don't want to use dynamic frameworks
# use_frameworks!
pod 'TCICSDK_ReplayKit'
end
4. 添加下列代码复制到 SampleHandler.m中,将 APPGROUP 改为第 1 步创建的 App Group
#import "SampleHandler.h"
#import <TXLiteAVSDK_ReplayKitExt/TXLiteAVSDK_ReplayKitExt.h>
#import <TCICScreenKit/TCICScreenKit.h>
// 注意:此处的 APPGROUP 需要改成上文中的创建的 App Group Identifier。
#define APPGROUP ""

@interface SampleHandler() <TXReplayKitExtDelegate>
@end
@implementation SampleHandler

- (void)broadcastStartedWithSetupInfo:(NSDictionary<NSString *,NSObject *> *)setupInfo {
    [[TXReplayKitExt sharedInstance] setupWithAppGroup:APPGROUP delegate:self];

    [[TCICScreenKit sharedScreenKit] onScreenKitStarted];
}
- (void)broadcastPaused {
    // User has requested to pause the broadcast. Samples will stop being delivered.
    [[TCICScreenKit sharedScreenKit] onScreenKitPaused];
}
- (void)broadcastResumed {
    // User has requested to resume the broadcast. Samples delivery will resume.
    [[TCICScreenKit sharedScreenKit] onScreenKitResumed];
}
- (void)broadcastFinished {
    [[TXReplayKitExt sharedInstance] finishBroadcast];
    // User has requested to finish the broadcast.
    [[TCICScreenKit sharedScreenKit] onScreenKitFinished];
}
#pragma mark - TXReplayKitExtDelegate
- (void)broadcastFinished:(TXReplayKitExt *)broadcast reason:(TXReplayKitExtReason)reason
{
    NSString *tip = @"";
    switch (reason) {
        case TXReplayKitExtReasonRequestedByMain:
            tip = @"屏幕共享已结束";
            break;
        case TXReplayKitExtReasonDisconnected:
            tip = @"应用断开";
            break;
        case TXReplayKitExtReasonVersionMismatch:
            tip = @"集成错误(SDK 版本号不相符合)";
            break;
    }
    NSError *error = [NSError errorWithDomain:NSStringFromClass(self.class) code:0 userInfo:@{
        NSLocalizedFailureReasonErrorKey:tip
    }];
    [self finishBroadcastWithError:error];
}
- (void)processSampleBuffer:(CMSampleBufferRef)sampleBuffer withType:    (RPSampleBufferType)sampleBufferType {
    switch (sampleBufferType) {
        case RPSampleBufferTypeVideo:
            [[TXReplayKitExt sharedInstance] sendVideoSampleBuffer:sampleBuffer];
            break;
        case RPSampleBufferTypeAudioApp:
            // Handle audio sample buffer for app audio
            break;
        case RPSampleBufferTypeAudioMic:
            // Handle audio sample buffer for mic audio
            break;

        default:
            break;
    }
}
@end


5. 对接主 App 端的接收逻辑:目前主 App 中的使用 TCICSDK,已支持系统屏幕分享相关逻辑,只需要业务方配置好 App Group ,在进入课堂前,设置 AppGroup 即可。

TCICClassConfig *roomConfig = [[TCICClassConfig alloc] init];
roomConfig.userId = "test";
roomConfig.token = "test_token";
roomConfig.classId = 123454;
roomConfig.schoolId = xxxxx;

// 通过KVC方式设置AppGroup
[roomConfig setValue:@"group.com.xx.xxxx" forKey:@"appGroup"];

注意事项

1. TCICSDK 中已支持屏幕分享的触发按钮,具体可参见实时音视频文档中 步骤 4:增加屏幕分享的触发按钮(可选),但该功能有限制条件:
1.1 屏幕分享的触发按钮只支持 iOS12 以上,同时需要创建的工程,不依赖 Scene 生命周期,如果代码中已支持 Scenedelegate,可参见 Xcode 11 删除 Scenedelegate,进行移除。以 Demo 为例,弹出效果如下,单击开始直播即可。


1.2 对于 iOS11 的机型,需要业务侧引导用户从远程控制中长按录屏进行触发,并选择业务自创建的 Broadcast Upload Extension 进行触发,下图以腾讯会议为例:
 
https://main.qcloudimg.com/raw/4082c8bcc7f41328a17f7ede78577bd9.png2.



2. 创建的 Upload Extension 的 Deployment target 配置在 iOS 11.0 (Replay KitiOS11 才开始支持),调试时真机也尽量在 iOS11 之后。
3. 主 App 要支持系统级屏幕分享,需要添加 Background Modes




Android 端

说明:
Android的屏幕分享对版本的要求: Android 5.0 +
除版本要求外,没有其他配置及特殊要求。