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[TOC]
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## 1.概述
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提供云课堂基础SDK功能，包括推流，拉流等。为用户提供快速，简便的方法开展自己的实时互动课堂。
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### 1.1 功能特性
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安卓端SDK目前支持了音视频sdk、白板插件、聊天插件以及排麦插件
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#### 1.1.1 音视频SDK功能
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| --- | --- | --- |
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| 功能特性 | 描述 | 备注 |
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| 推流 |支持推流到服务器|
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| 拉流 |支持从服务器订阅流|
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|获取流状态|支持获取流的状态(发报数、收报数、丢包数、延时)|
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| 前后摄像头切换 | 支持手机前后摄像头切换 | |
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| 后台播放 | 支持直播退到后台只播放音频 | |
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| 支持https协议 | 支持接口https请求 | |
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#### 1.1.2 白板插件功能
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| --- | --- | --- |
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| 功能特性 | 描述 | 备注 |
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| 文档翻页 |支持接收服务端的文档翻页数据|
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| PPT动画 |支持接收服务器的PPT动画数据|
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| 画笔功能 |支持画笔、清除、撤销、历史数据|
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#### 1.1.3 聊天插件功能
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| --- | --- | --- |
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| 功能特性 | 描述 | 备注 |
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| 文本、表情发送 |支持接收服务端的文本和表情数据|
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| 图片发送 |支持接收服务器的图片数据|
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| 禁言 |分为指定用户的禁言，以及全体禁言|
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#### 1.1.3 排麦插件功能
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| --- | --- | --- |
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| 功能特性 | 描述 | 备注 |
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| 自由连麦 |互动者可自由连麦,无需老师确认|
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| 自动连麦 |互动者进入房间后自动连麦|
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| 举手连麦 |互动者可举手申请连麦,需老师确认才可连麦|
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### 1.2 阅读对象
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本文档为技术文档，需要阅读者：
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* 具备基本的Android开发能力
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* 准备接入CC视频的基础SDK相关功能
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* CC基础版本SDK，为了使用硬件媒体编解码器，建议API级别19以上。
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## 2.开发准备
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### 2.1 开发环境
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* Android Studio : Android 开发IDE
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* Android SDK : Android 官方SDK
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### 2.2 混淆配置
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ccclassroom-base.jar已经混淆过，如果需要对应用进行混淆，需要在混淆的配置文件增加如下代码，以防止SDK的二次混淆：
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```
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-keep public class com.bokecc.sskt.base.**{*;}
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-keep public interface com.bokecc.sskt.base.**{*;}
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-keep public class com.intel.webrtc.base.**{*;}
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-keep public interface com.intel.webrtc.base.**{*;}
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-keep public class com.intel.webrtc.conference.**{*;}
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-keep public interface com.intel.webrtc.conference.**{*;}
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-keep public class org.webrtc.**{*;}
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-keep public interface org.webrtc.**{*;}
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```
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## 3.快速集成
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注：快速集成主要提供的是推流和拉流的功能(核心功能)。白板、聊天以及排麦组件另有开发文档描述。
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首先，需要下载最新版本的SDK，下载地址为：
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### 3.1 导入jar
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| 名称 | 描述 |
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| :--------------------------------------- | :------- |
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| ccclassroom-base.jar | CC音视频核心jar包 |
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| ccclassroom-docmodule.jar | CC白板插件核心jar包 |
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| ccclassroom-chatmodule.jar | CC聊天插件核心jar包 |
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| ccclassroom-barleymodule.jar | CC排麦插件核心jar包 |
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### 3.2 导入so
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| 名称 | 描述 |
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| :--------------------------------------- | :------- |
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|libjingle_peerconnection.so|CC连麦依赖native库|
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### 3.3 配置依赖库
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修改 build.gradle，打开您的工程目录下的 build.gradle，确保已经添加了如下依赖：
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```gradle
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compile('io.socket:socket.io-client:0.8.3') {
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exclude group: 'org.json', module: 'json'
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}
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compile 'com.squareup.okhttp3:okhttp:3.8.1'
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compile files('libs/ccclassroom-base.jar')
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compile files('libs/ccclassroom-docmodule.jar')
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compile files('libs/ccclassroom-chatmodule.jar')
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compile files('libs/ccclassroom-barleymodule.jar')
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```
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### 3.4初始化渲染器以及布局控件
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预览展示控件和订阅展示控件：
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```java
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<android.support.constraint.ConstraintLayout
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xmlns:app="http://schemas.android.com/apk/res-auto"
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xmlns:tools="http://schemas.android.com/tools"
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android:layout_width="match_parent"
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android:layout_height="match_parent"
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tools:context="ccsskt.bokecc.base.example.MainActivity">
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<LinearLayout
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android:id="@+id/id_local_container"
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android:layout_width="0dp"
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android:layout_height="270dp"
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android:orientation="vertical"
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android:gravity="center"
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app:layout_constraintLeft_toLeftOf="parent"
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app:layout_constraintRight_toRightOf="parent"
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app:layout_constraintTop_toTopOf="parent"
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app:layout_constraintVertical_weight="1"/>
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<LinearLayout
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android:id="@+id/id_remote_mix_container"
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android:layout_width="0dp"
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android:layout_height="0dp"
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android:orientation="vertical"
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android:gravity="center"
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app:layout_constraintBottom_toBottomOf="parent"
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app:layout_constraintLeft_toLeftOf="parent"
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app:layout_constraintRight_toRightOf="parent"
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app:layout_constraintTop_toBottomOf="@id/id_local_container"
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app:layout_constraintVertical_weight="1"/>
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<android.support.constraint.ConstraintLayout
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```
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初始化渲染器：
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```java
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private void initRenderer() {
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mLocalRenderer = new CCSurfaceRenderer(this);
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mLocalRenderer.init(mAtlasClient.getEglBase().getEglBaseContext(), null);
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mLocalRenderer.setScalingType(RendererCommon.ScalingType.SCALE_ASPECT_FIT);
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mLocalContainer.addView(mLocalRenderer);
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mRemoteMixRenderer = new CCSurfaceRenderer(this);
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mRemoteMixRenderer.init(mAtlasClient.getEglBase().getEglBaseContext(), null);
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mRemoteMixRenderer.setScalingType(RendererCommon.ScalingType.SCALE_ASPECT_FIT);
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mRemoteMixContainer.addView(mRemoteMixRenderer);
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}
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```
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### 3.5 创建SDK实例
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创建音视频sdk实例以及流服务的监听：
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```java
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mAtlasClient = CCAtlasClient.getInstance();
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mAtlasClient.setOnNotifyStreamListener(mClientObserver);
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```
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系统代理回调：
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```java
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private CCAtlasClient.AtlasClientObserver mClientObserver = new CCAtlasClient.AtlasClientObserver() {
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@Override
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public void onServerDisconnected() {
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android.os.Process.killProcess(android.os.Process.myPid());
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}
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@Override
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public void onStreamAdded(CCStream stream) {
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if (stream.isRemoteIsLocal()) { // 不订阅自己的本地流
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return;
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}
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Log.e(TAG, "onStreamAdded: [ " + stream.getStreamId() + " ]");
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if (stream.getStreamType() == CCStream.REMOTE_MIX) { // 不订阅混合流
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return;
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}
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mStream = stream;
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}
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@Override
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public void onStreamRemoved(CCStream stream) {
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Log.e(TAG, "onStreamRemoved: [ " + stream.getStreamId() + " ]");
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if (stream.getStreamType() != CCStream.REMOTE_MIX) {
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mStream = null;
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mAtlasClient.unSubscribeStream(stream, null);
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}
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}
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@Override
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public void onStreamError(String streamid, String errorMsg) {
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}
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};
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```
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创建本地流：
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```java
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private void createLocalStream() {
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LocalStreamConfig config = new LocalStreamConfig.LocalStreamConfigBuilder().build();
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isFront = config.cameraType == LocalStreamConfig.CAMERA_FRONT;
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try {
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mLocalStream = mAtlasClient.createLocalStream(config);
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} catch (StreamException e) {
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showToast(e.getMessage());
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}
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}
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```
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### 3.6 加入直播间和直播间开始结束的接口
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加入直播间的接口：
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```java
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mAtlasClient.join(sessionid, userAccount, new CCAtlasCallBack<CCBaseBean>() {
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@Override
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public void onSuccess(CCBaseBean ccBaseBean) {
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dismissProgress();
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showToast("join room success");
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}
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@Override
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public void onFailure(int errCode, String errMsg) {
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dismissProgress();
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showToast(errMsg);
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}
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});
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```
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开始直播：
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```java
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@OnClick(R.id.id_start)
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void start() {
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mAtlasClient.startLive(new CCAtlasCallBack<Void>() {
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@Override
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public void onSuccess(Void aVoid) {
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showToast("start live success");
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}
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@Override
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public void onFailure(int errCode, String errMsg) {
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showToast("start live failed [ " + errMsg + " ]");
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}
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});
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}
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```
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结束直播：
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```java
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@OnClick(R.id.id_stop)
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void stop() {
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mAtlasClient.stopLive(new CCAtlasCallBack<Void>() {
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@Override
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public void onSuccess(Void aVoid) {
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showToast("stop live success");
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}
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@Override
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public void onFailure(int errCode, String errMsg) {
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showToast("stop live failed [ " + errMsg + " ]");
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}
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});
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```
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### 3.7 推流调用接口
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下面是推流端代码：
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```java
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mAtlasClient.publish(new CCAtlasCallBack<Void>() {
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@Override
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public void onSuccess(Void aVoid) {
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isPublish = true;
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dismissProgress();
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showToast("publish success");
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mPublishBtn.setSelected(!mPublishBtn.isSelected());
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mPublishBtn.setText(mPublishBtn.isSelected() ? "停止发布" : "发布");
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}
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@Override
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public void onFailure(int errCode, String errMsg) {
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dismissProgress();
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showToast("publish failed [ " + errMsg + " ]");
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}
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});
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```
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### 3.8 取消推流接口调用
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下面取消推流接口调用代码：
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```java
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mAtlasClient.unpublish(new CCAtlasCallBack<Void>() {
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@Override
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public void onSuccess(Void aVoid) {
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isPublish = false;
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dismissProgress();
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showToast("unpublish success");
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mPublishBtn.setSelected(!mPublishBtn.isSelected());
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mPublishBtn.setText(mPublishBtn.isSelected() ? "停止发布" : "发布");
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}
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@Override
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public void onFailure(int errCode, String errMsg) {
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dismissProgress();
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showToast("unpublish failed [ " + errMsg + " ]");
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}
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});
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```
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### 3.9 订阅流接口调用
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下面代码是订阅流接口：
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```java
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mAtlasClient.SubscribeStream(mStream, new CCAtlasCallBack<CCStream>() {
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@Override
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public void onSuccess(CCStream stream) {
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dismissProgress();
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showToast("subscribe success");
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mSubscribeBtn.setSelected(!mSubscribeBtn.isSelected());
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mSubscribeBtn.setText(mSubscribeBtn.isSelected() ? "取消订阅" : "订阅");
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try {
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mStream.attach(mRemoteMixRenderer);
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} catch (StreamException ignored) {
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}
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}
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@Override
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public void onFailure(int errCode, String errMsg) {
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dismissProgress();
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showToast("subscribe failed [ " + errMsg + " ]");
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}
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});
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```
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### 3.10 取消订阅流接口
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下面是取消订阅流接口代码：
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```java
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mAtlasClient.unSubscribeStream(mStream, new CCAtlasCallBack<Void>() {
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@Override
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public void onSuccess(Void aVoid) {
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dismissProgress();
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showToast("unsubscribe success");
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mSubscribeBtn.setSelected(!mSubscribeBtn.isSelected());
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mSubscribeBtn.setText(mSubscribeBtn.isSelected() ? "取消订阅" : "订阅");
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try {
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mStream.detach(mRemoteMixRenderer);
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} catch (StreamException ignored) {
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} finally {
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mRemoteMixRenderer.cleanFrame();
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}
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|
}
|
|
|
|
|
|
|
|
@Override
|
|
|
|
public void onFailure(int errCode, String errMsg) {
|
|
|
|
dismissProgress();
|
|
|
|
showToast("unsubscribe failed [ " + errMsg + " ]");
|
|
|
|
}
|
|
|
|
});
|
|
|
|
```
|
|
|
|
|
|
|
|
### 3.11 切换摄像头
|
|
|
|
|
|
|
|
下面是切换摄像头代码：
|
|
|
|
```java
|
|
|
|
@OnClick(R.id.id_switch)
|
|
|
|
void switchCamera() {
|
|
|
|
mAtlasClient.switchCamera(new CCAtlasCallBack<Boolean>() {
|
|
|
|
@Override
|
|
|
|
public void onSuccess(Boolean aBoolean) {
|
|
|
|
isFront = aBoolean;
|
|
|
|
mLocalRenderer.setMirror(isFront);
|
|
|
|
}
|
|
|
|
|
|
|
|
@Override
|
|
|
|
public void onFailure(int errCode, String errMsg) {
|
|
|
|
|
|
|
|
}
|
|
|
|
});
|
|
|
|
}
|
|
|
|
```
|
|
|
|
|
|
|
|
## 4.功能使用
|
|
|
|
|
|
|
|
功能使用时相关的核心类：CCAtlasClient（小班课核心类）。
|
|
|
|
|
|
|
|
### 4.1 预览
|
|
|
|
预览是将初始化相机的流渲染出来：
|
|
|
|
* 预览方法void preview()；
|
|
|
|
* 渲染的方法mLocalStream.attach(mLocalRenderer);
|
|
|
|
### 4.2 开始直播
|
|
|
|
点击开始直播，成功以后，才会进行推流和拉流操作：
|
|
|
|
* 开始直播方法void start()
|
|
|
|
* 开始直播接口mAtlasClient.startLive(new CCAtlasCallBack<Void>())
|
|
|
|
* 回调实例new CCAtlasCallBack<Void>
|
|
|
|
### 4.3 结束直播
|
|
|
|
结束当前直播：
|
|
|
|
* 结束直播方法void stop()
|
|
|
|
* 结束直播接口mAtlasClient.stopLive(new CCAtlasCallBack<Void>())
|
|
|
|
* 回调实例new CCAtlasCallBack<Void>
|
|
|
|
### 4.4 推流/取消推流
|
|
|
|
|
|
|
|
推本地相机的流到atlas服务器：
|
|
|
|
* 推流的方法void publish()
|
|
|
|
* 推流接口mAtlasClient.publish(new CCAtlasCallBack<Void>())
|
|
|
|
|
|
|
|
取消推相机本地流到atlas服务器：
|
|
|
|
* 取消推流的方法void publish()
|
|
|
|
* 取消推流接口mAtlasClient.unpublish(new CCAtlasCallBack<Void>())
|
|
|
|
### 4.5 拉流/取消拉流
|
|
|
|
|
|
|
|
从atlas服务端拉流：
|
|
|
|
* 拉流方法 void subscribe()
|
|
|
|
* 拉流接口 mAtlasClient.SubscribeStream(mStream, new CCAtlasCallBack<CCStream>())
|
|
|
|
|
|
|
|
取消从atlas服务端拉流：
|
|
|
|
* 取消拉流方法 void subscribe()
|
|
|
|
* 取消拉流接口 mAtlasClient.unSubscribeStream(mStream, new CCAtlasCallBack<Void>())
|
|
|
|
### 4.6 添加RTMP推流/取消RTMP推流
|
|
|
|
|
|
|
|
添加RTMP流到atlas服务端：
|
|
|
|
* 添加RTMP流方法 void pushRtmp()
|
|
|
|
* 添加RTMP流接口 mAtlasClient.addExternalOutput(rtmp, new CCAtlasCallBack<Void>())
|
|
|
|
|
|
|
|
取消RTMP流到atlas服务端：
|
|
|
|
|
|
|
|
* 取消添加RTMP流方法 void pushRtmp()
|
|
|
|
* 取消添加RTMP流接口 mAtlasClient.removeExternalOutput(rtmp, new CCAtlasCallBack<Void>())
|
|
|
|
|
|
|
|
### 4.7 切换摄像头
|
|
|
|
|
|
|
|
切换摄像头，前置摄像头和后置摄像头：
|
|
|
|
|
|
|
|
* 切换摄像头方法 void switchCamera()
|
|
|
|
* 切换摄像头接口 mAtlasClient.switchCamera(new CCAtlasCallBack<Boolean>())
|
|
|
|
|
|
|
|
### 4.8 开启本地视频/关闭本地视频
|
|
|
|
|
|
|
|
开启本地视频流，也就是相机采集的视频：
|
|
|
|
|
|
|
|
* 开启相机视频方法void disableLocalVideo()
|
|
|
|
* 开启相机视频的接口mLocalStream.enableVideo();
|
|
|
|
|
|
|
|
关闭本地视频，也就是关闭相机采集的视频：
|
|
|
|
|
|
|
|
* 关闭相机视频方法void disableLocalVideo()
|
|
|
|
* 关闭相机视频的接口 mLocalStream.disableVideo();
|
|
|
|
|
|
|
|
### 4.9 开启本地音频/关闭本地音频
|
|
|
|
|
|
|
|
开启本地视频流的音频，也就是相机采集的音频流：
|
|
|
|
|
|
|
|
* 开启本地音频方法 void disableLocalAduio()
|
|
|
|
* 开启本地音频的接口 mLocalStream.enableAudio();
|
|
|
|
|
|
|
|
关闭本地视频流的音频，也就是关闭相机采集的音频流：
|
|
|
|
|
|
|
|
* 关闭本地音频方法 void disableLocalAduio()
|
|
|
|
* 关闭本地音频的接口 mLocalStream.disableAudio();
|
|
|
|
|
|
|
|
### 4.10 开启远程视频/关闭远程视频
|
|
|
|
|
|
|
|
订阅流视频的开启：
|
|
|
|
|
|
|
|
* 开启远程视频方法void disableRemoteVideo()
|
|
|
|
* 开启远程视频的接口mStream.enableVideo();
|
|
|
|
|
|
|
|
订阅流视频的关闭：
|
|
|
|
|
|
|
|
* 关闭远程视频方法void disableRemoteVideo()
|
|
|
|
* 关闭远程视频的接口 mStream.disableVideo();
|
|
|
|
|
|
|
|
### 4.11 开启远程音频/关闭远程音频
|
|
|
|
|
|
|
|
订阅流音频的开启：
|
|
|
|
|
|
|
|
* 开启远程音频方法 void disableRemoteAudio()
|
|
|
|
* 开启远程音频的接口 mStream.enableAudio();
|
|
|
|
|
|
|
|
订阅流音频的关闭：
|
|
|
|
|
|
|
|
* 关闭远程音频方法 void disableRemoteAudio()
|
|
|
|
* 关闭远程音频的接口 mStream.disableAudio();
|
|
|
|
|
|
|
|
### 4.12 拍照
|
|
|
|
|
|
|
|
拍照功能：
|
|
|
|
|
|
|
|
* 拍照方法void takePic()
|
|
|
|
* 拍照接口mLocalRenderer.getBitmap(new CCSurfaceRenderer.OnShotCallback())
|
|
|
|
|
|
|
|
### 4.13 白板和文档
|
|
|
|
|
|
|
|
白板文档功能：
|
|
|
|
* 白板文档的方法：
|
|
|
|
* 白板文档组件的实体类：1、获取白板文档组件的实例：mDocViewManager = DocViewManager.getInstance(); 2、展示白板文档的控件：引用docview和webview控件
|
|
|
|
|
|
|
|
### 4.14 聊天
|
|
|
|
|
|
|
|
聊天功能：
|
|
|
|
* 聊天的方法：
|
|
|
|
* 聊天组件的实体类：1、获取聊天组件的实例：mChatManager = ChatManager.getInstance(); 2、监听聊天时间的文本、表情以及图片：mChatManager.setOnChatListener(mChatList);
|
|
|
|
|
|
|
|
### 4.15排麦
|
|
|
|
|
|
|
|
排麦功能：
|
|
|
|
* 排麦方法：
|
|
|
|
* 排麦组件的实例类： 1、获取排麦组件的实体类： mBarLeyManager = BarLeyManager.getInstance(); 2、监听排麦的流服务：mBarLeyManager.setOnNotifyStreamListener(mClientObserver);
|
|
|
|
|
|
|
|
## 5.API查询
|
|
|
|
Doc目录打开index.html文件
|
|
|
|
|
|
|
|
## 6.Q&A
|
|
|
|
### 6.1 无法拉流
|
|
|
|
|
|
|
|
* 首先开始预览，开始直播
|
|
|
|
* 然后发布（推流），在去订阅流。
|
|
|
|
|
|
|
|
### 6.2 推荐权限声明
|
|
|
|
在AndroidManifest.xml声明权限：
|
|
|
|
```
|
|
|
|
<uses-permission android:name="android.permission.READ_PHONE_STATE"/>
|
|
|
|
<uses-permission android:name="android.permission.INTERNET"/>
|
|
|
|
<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE"/>
|
|
|
|
<uses-permission android:name="android.permission.ACCESS_WIFI_STATE"/>
|
|
|
|
<uses-permission android:name="android.permission.READ_LOGS"/>
|
|
|
|
<uses-permission android:name="android.permission.CAMERA"/>
|
|
|
|
<uses-permission android:name="android.permission.FLASHLIGHT"/>
|
|
|
|
<uses-permission android:name="android.permission.CHANGE_NETWORK_STATE"/>
|
|
|
|
<uses-permission android:name="android.permission.WRITE_SETTINGS"/>
|
|
|
|
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>
|
|
|
|
<uses-permission android:name="android.permission.MODIFY_AUDIO_SETTINGS"/>
|
|
|
|
<uses-permission android:name="android.permission.RECORD_AUDIO"/>
|
|
|
|
<uses-permission android:name="android.permission.VIBRATE"/>
|
|
|
|
<uses-permission android:name="android.permission.WAKE_LOCK"/>
|
|
|
|
|
|
|
|
<uses-feature android:name="android.hardware.camera"/>
|
|
|
|
<uses-feature android:name="android.hardware.camera.autofocus"/>
|
|
|
|
<uses-feature
|
|
|
|
android:glEsVersion="0x00020000"
|
|
|
|
android:required="true">
|
|
|
|
</uses-feature>
|
|
|
|
``` |
