├── app ├── .gitignore ├── src │ ├── main │ │ ├── res │ │ │ ├── values │ │ │ │ ├── strings.xml │ │ │ │ ├── colors.xml │ │ │ │ └── styles.xml │ │ │ ├── mipmap-hdpi │ │ │ │ ├── ic_launcher.png │ │ │ │ └── ic_launcher_round.png │ │ │ ├── mipmap-mdpi │ │ │ │ ├── ic_launcher.png │ │ │ │ └── ic_launcher_round.png │ │ │ ├── mipmap-xhdpi │ │ │ │ ├── ic_launcher.png │ │ │ │ └── ic_launcher_round.png │ │ │ ├── mipmap-xxhdpi │ │ │ │ ├── ic_launcher.png │ │ │ │ └── ic_launcher_round.png │ │ │ ├── mipmap-xxxhdpi │ │ │ │ ├── ic_launcher.png │ │ │ │ └── ic_launcher_round.png │ │ │ └── layout │ │ │ │ └── activity_main.xml │ │ ├── java │ │ │ └── com │ │ │ │ └── sergiopaniegoblanco │ │ │ │ └── webrtcexampleapp │ │ │ │ ├── CustomSdpObserver.java │ │ │ │ ├── CustomPeerConnectionObserver.java │ │ │ │ ├── CustomWebSocketListener.java │ │ │ │ └── MainActivity.java │ │ └── AndroidManifest.xml │ ├── test │ │ └── java │ │ │ └── com │ │ │ └── sergiopaniegoblanco │ │ │ └── webrtcexampleapp │ │ │ └── ExampleUnitTest.java │ └── androidTest │ │ └── java │ │ └── com │ │ └── sergiopaniegoblanco │ │ └── webrtcexampleapp │ │ └── ExampleInstrumentedTest.java ├── proguard-rules.pro └── build.gradle ├── settings.gradle ├── .idea ├── copyright │ └── profiles_settings.xml ├── modules.xml ├── runConfigurations.xml ├── gradle.xml ├── compiler.xml └── misc.xml ├── gradle └── wrapper │ ├── gradle-wrapper.jar │ └── gradle-wrapper.properties ├── .gitignore ├── gradle.properties ├── README.md ├── index.js ├── gradlew.bat └── gradlew /app/.gitignore: -------------------------------------------------------------------------------- 1 | /build 2 | -------------------------------------------------------------------------------- /settings.gradle: -------------------------------------------------------------------------------- 1 | include ':app' 2 | -------------------------------------------------------------------------------- /.idea/copyright/profiles_settings.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | -------------------------------------------------------------------------------- /app/src/main/res/values/strings.xml: -------------------------------------------------------------------------------- 1 | 2 | WebRTCExampleApp 3 | 4 | -------------------------------------------------------------------------------- /gradle/wrapper/gradle-wrapper.jar: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/sergiopaniego/WebRTCAndroidExample/HEAD/gradle/wrapper/gradle-wrapper.jar -------------------------------------------------------------------------------- /app/src/main/res/mipmap-hdpi/ic_launcher.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/sergiopaniego/WebRTCAndroidExample/HEAD/app/src/main/res/mipmap-hdpi/ic_launcher.png 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-------------------------------------------------------------------------------- /app/src/main/res/mipmap-xxxhdpi/ic_launcher.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/sergiopaniego/WebRTCAndroidExample/HEAD/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png -------------------------------------------------------------------------------- /app/src/main/res/mipmap-hdpi/ic_launcher_round.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/sergiopaniego/WebRTCAndroidExample/HEAD/app/src/main/res/mipmap-hdpi/ic_launcher_round.png -------------------------------------------------------------------------------- /app/src/main/res/mipmap-mdpi/ic_launcher_round.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/sergiopaniego/WebRTCAndroidExample/HEAD/app/src/main/res/mipmap-mdpi/ic_launcher_round.png -------------------------------------------------------------------------------- /app/src/main/res/mipmap-xhdpi/ic_launcher_round.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/sergiopaniego/WebRTCAndroidExample/HEAD/app/src/main/res/mipmap-xhdpi/ic_launcher_round.png -------------------------------------------------------------------------------- /.gitignore: -------------------------------------------------------------------------------- 1 | *.iml 2 | .gradle 3 | /local.properties 4 | /.idea/workspace.xml 5 | /.idea/libraries 6 | .DS_Store 7 | /build 8 | /captures 9 | .externalNativeBuild 10 | -------------------------------------------------------------------------------- /app/src/main/res/mipmap-xxhdpi/ic_launcher_round.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/sergiopaniego/WebRTCAndroidExample/HEAD/app/src/main/res/mipmap-xxhdpi/ic_launcher_round.png -------------------------------------------------------------------------------- /app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/sergiopaniego/WebRTCAndroidExample/HEAD/app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.png -------------------------------------------------------------------------------- /app/src/main/res/values/colors.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | #3F51B5 4 | #303F9F 5 | #FF4081 6 | 7 | -------------------------------------------------------------------------------- /gradle/wrapper/gradle-wrapper.properties: -------------------------------------------------------------------------------- 1 | #Mon Nov 06 18:52:03 CET 2017 2 | distributionBase=GRADLE_USER_HOME 3 | distributionPath=wrapper/dists 4 | zipStoreBase=GRADLE_USER_HOME 5 | zipStorePath=wrapper/dists 6 | distributionUrl=https\://services.gradle.org/distributions/gradle-4.1-all.zip 7 | -------------------------------------------------------------------------------- /.idea/modules.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | -------------------------------------------------------------------------------- /app/src/main/res/values/styles.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 10 | 11 | 12 | -------------------------------------------------------------------------------- /app/src/test/java/com/sergiopaniegoblanco/webrtcexampleapp/ExampleUnitTest.java: -------------------------------------------------------------------------------- 1 | package com.sergiopaniegoblanco.webrtcexampleapp; 2 | 3 | import org.junit.Test; 4 | 5 | import static org.junit.Assert.*; 6 | 7 | /** 8 | * Example local unit test, which will execute on the development machine (host). 9 | * 10 | * @see Testing documentation 11 | */ 12 | public class ExampleUnitTest { 13 | @Test 14 | public void addition_isCorrect() throws Exception { 15 | assertEquals(4, 2 + 2); 16 | } 17 | } -------------------------------------------------------------------------------- /.idea/runConfigurations.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 11 | 12 | -------------------------------------------------------------------------------- /.idea/gradle.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 17 | 18 | -------------------------------------------------------------------------------- /.idea/compiler.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | -------------------------------------------------------------------------------- /gradle.properties: -------------------------------------------------------------------------------- 1 | # Project-wide Gradle settings. 2 | 3 | # IDE (e.g. Android Studio) users: 4 | # Gradle settings configured through the IDE *will override* 5 | # any settings specified in this file. 6 | 7 | # For more details on how to configure your build environment visit 8 | # http://www.gradle.org/docs/current/userguide/build_environment.html 9 | 10 | # Specifies the JVM arguments used for the daemon process. 11 | # The setting is particularly useful for tweaking memory settings. 12 | org.gradle.jvmargs=-Xmx1536m 13 | 14 | # When configured, Gradle will run in incubating parallel mode. 15 | # This option should only be used with decoupled projects. More details, visit 16 | # http://www.gradle.org/docs/current/userguide/multi_project_builds.html#sec:decoupled_projects 17 | # org.gradle.parallel=true 18 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | # WebRTCAndroidExample 2 | This is the simpliest example of an app that uses WebRTC to send video I could made. I followed some tutorials I found on the Internet, 3 | specially [this series of posts](https://vivekc.xyz/getting-started-with-webrtc-for-android-daab1e268ff4) and Google's official [Codelab](https://codelabs.developers.google.com/codelabs/webrtc-web/#0). 4 | 5 | I wrote a brief post on the issue that you can check out [here](https://medium.com/@SergioPaniego/tutorial-on-how-to-make-the-simplest-webrtc-android-app-daacb5c8d133). 6 | 7 | I'm using WebSocket protocol to communicate with the server. 8 | 9 | ## How to run it 10 | First install the Web Socket module 11 | ``` 12 | npm install websocket 13 | ``` 14 | Having the module install, you only need to have nodeJS installed in your computer to run the server part that will work as signaling service. To start the server just type the following command 15 | 16 | ``` 17 | node index.js 18 | ``` 19 | -------------------------------------------------------------------------------- /app/src/androidTest/java/com/sergiopaniegoblanco/webrtcexampleapp/ExampleInstrumentedTest.java: -------------------------------------------------------------------------------- 1 | package com.sergiopaniegoblanco.webrtcexampleapp; 2 | 3 | import android.content.Context; 4 | import android.support.test.InstrumentationRegistry; 5 | import android.support.test.runner.AndroidJUnit4; 6 | 7 | import org.junit.Test; 8 | import org.junit.runner.RunWith; 9 | 10 | import static org.junit.Assert.*; 11 | 12 | /** 13 | * Instrumentation test, which will execute on an Android device. 14 | * 15 | * @see Testing documentation 16 | */ 17 | @RunWith(AndroidJUnit4.class) 18 | public class ExampleInstrumentedTest { 19 | @Test 20 | public void useAppContext() throws Exception { 21 | // Context of the app under test. 22 | Context appContext = InstrumentationRegistry.getTargetContext(); 23 | 24 | assertEquals("com.sergiopaniegoblanco.webrtcexampleapp", appContext.getPackageName()); 25 | } 26 | } 27 | -------------------------------------------------------------------------------- /app/proguard-rules.pro: -------------------------------------------------------------------------------- 1 | # Add project specific ProGuard rules here. 2 | # By default, the flags in this file are appended to flags specified 3 | # in /Users/sergiopaniegoblanco/Library/Android/sdk/tools/proguard/proguard-android.txt 4 | # You can edit the include path and order by changing the proguardFiles 5 | # directive in build.gradle. 6 | # 7 | # For more details, see 8 | # http://developer.android.com/guide/developing/tools/proguard.html 9 | 10 | # Add any project specific keep options here: 11 | 12 | # If your project uses WebView with JS, uncomment the following 13 | # and specify the fully qualified class name to the JavaScript interface 14 | # class: 15 | #-keepclassmembers class fqcn.of.javascript.interface.for.webview { 16 | # public *; 17 | #} 18 | 19 | # Uncomment this to preserve the line number information for 20 | # debugging stack traces. 21 | #-keepattributes SourceFile,LineNumberTable 22 | 23 | # If you keep the line number information, uncomment this to 24 | # hide the original source file name. 25 | #-renamesourcefileattribute SourceFile 26 | -------------------------------------------------------------------------------- /app/src/main/java/com/sergiopaniegoblanco/webrtcexampleapp/CustomSdpObserver.java: -------------------------------------------------------------------------------- 1 | package com.sergiopaniegoblanco.webrtcexampleapp; 2 | 3 | import android.util.Log; 4 | 5 | import org.webrtc.SdpObserver; 6 | import org.webrtc.SessionDescription; 7 | 8 | /** 9 | * Created by sergiopaniegoblanco on 30/09/2017. 10 | */ 11 | 12 | public class CustomSdpObserver implements SdpObserver { 13 | 14 | 15 | private String tag = this.getClass().getCanonicalName(); 16 | 17 | CustomSdpObserver(String logTag) { 18 | this.tag = this.tag + " " + logTag; 19 | } 20 | 21 | 22 | @Override 23 | public void onCreateSuccess(SessionDescription sessionDescription) { 24 | Log.d(tag, "onCreateSuccess() called with: sessionDescription = [" + sessionDescription + "]"); 25 | } 26 | 27 | @Override 28 | public void onSetSuccess() { 29 | Log.d(tag, "onSetSuccess() called"); 30 | } 31 | 32 | @Override 33 | public void onCreateFailure(String s) { 34 | Log.d(tag, "onCreateFailure() called with: s = [" + s + "]"); 35 | } 36 | 37 | @Override 38 | public void onSetFailure(String s) { 39 | Log.d(tag, "onSetFailure() called with: s = [" + s + "]"); 40 | } 41 | 42 | } -------------------------------------------------------------------------------- /app/src/main/AndroidManifest.xml: -------------------------------------------------------------------------------- 1 | 2 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | -------------------------------------------------------------------------------- /app/build.gradle: -------------------------------------------------------------------------------- 1 | apply plugin: 'com.android.application' 2 | 3 | android { 4 | compileSdkVersion 26 5 | buildToolsVersion '26.0.2' 6 | defaultConfig { 7 | applicationId "com.sergiopaniegoblanco.webrtcexampleapp" 8 | minSdkVersion 21 9 | targetSdkVersion 26 10 | versionCode 1 11 | versionName "1.0" 12 | testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner" 13 | } 14 | buildTypes { 15 | release { 16 | minifyEnabled false 17 | proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro' 18 | } 19 | } 20 | } 21 | 22 | dependencies { 23 | compile fileTree(dir: 'libs', include: ['*.jar']) 24 | androidTestCompile('com.android.support.test.espresso:espresso-core:2.2.2', { 25 | exclude group: 'com.android.support', module: 'support-annotations' 26 | }) 27 | compile 'com.android.support:appcompat-v7:26.+' 28 | compile 'com.android.support.constraint:constraint-layout:1.0.2' 29 | compile 'fi.vtt.nubomedia:kurento-room-client-android:1.1.2' 30 | testCompile 'junit:junit:4.12' 31 | compile 'org.whispersystems:webrtc-android:M59' 32 | compile 'com.jakewharton:butterknife:8.8.1' 33 | annotationProcessor 'com.jakewharton:butterknife-compiler:8.8.1' 34 | // compile "org.java-websocket:Java-WebSocket:1.3.0" 35 | compile 'com.squareup.okhttp3:okhttp:3.9.0' 36 | 37 | } 38 | 39 | -------------------------------------------------------------------------------- /index.js: -------------------------------------------------------------------------------- 1 | var WebSocketServer = require('websocket').server; 2 | var http = require('http'); 3 | 4 | var clients = [ ]; 5 | var offer; 6 | 7 | var server = http.createServer(function(request, response) { 8 | // process HTTP request. Since we're writing just WebSockets 9 | // server we don't have to implement anything. 10 | }); 11 | server.listen(1337, function() { }); 12 | 13 | // create the server 14 | wsServer = new WebSocketServer({ 15 | httpServer: server 16 | }); 17 | 18 | // WebSocket server 19 | wsServer.on('request', function(request) { 20 | var connection = request.accept(null, request.origin); 21 | var index = clients.push(connection) - 1; 22 | console.log('Index: ' + index) 23 | 24 | // This is the most important callback for us, we'll handle 25 | // all messages from users here. 26 | connection.on('message', function(message) { 27 | var json = JSON.stringify(message, null, 4); 28 | var type = JSON.parse(message['utf8Data'])['type']; 29 | console.log(type); 30 | console.log(clients.length) 31 | if ((type == 'OFFER') && (clients.length == 2)) { 32 | console.log(clients.length) 33 | clients[1].send(JSON.stringify(message)) 34 | console.log('OFFER!') 35 | } else if (type == 'ANSWER') { 36 | clients[0].send(JSON.stringify(message)) 37 | console.log('ANSWER!') 38 | } else if (type != 'OFFER'){ 39 | for (var i=0; i= 2) { 49 | clients[1].send(JSON.stringify(offer)) 50 | console.log('OFFER!') 51 | } 52 | }); 53 | 54 | connection.on('close', function(connection) { 55 | console.log('Close: ' + connection) 56 | clients = [ ] 57 | }); 58 | }); -------------------------------------------------------------------------------- /gradlew.bat: -------------------------------------------------------------------------------- 1 | @if "%DEBUG%" == "" @echo off 2 | @rem ########################################################################## 3 | @rem 4 | @rem Gradle startup script for Windows 5 | @rem 6 | @rem ########################################################################## 7 | 8 | @rem Set local scope for the variables with windows NT shell 9 | if "%OS%"=="Windows_NT" setlocal 10 | 11 | @rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. 12 | set DEFAULT_JVM_OPTS= 13 | 14 | set DIRNAME=%~dp0 15 | if "%DIRNAME%" == "" set DIRNAME=. 16 | set APP_BASE_NAME=%~n0 17 | set APP_HOME=%DIRNAME% 18 | 19 | @rem Find java.exe 20 | if defined JAVA_HOME goto findJavaFromJavaHome 21 | 22 | set JAVA_EXE=java.exe 23 | %JAVA_EXE% -version >NUL 2>&1 24 | if "%ERRORLEVEL%" == "0" goto init 25 | 26 | echo. 27 | echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. 28 | echo. 29 | echo Please set the JAVA_HOME variable in your environment to match the 30 | echo location of your Java installation. 31 | 32 | goto fail 33 | 34 | :findJavaFromJavaHome 35 | set JAVA_HOME=%JAVA_HOME:"=% 36 | set JAVA_EXE=%JAVA_HOME%/bin/java.exe 37 | 38 | if exist "%JAVA_EXE%" goto init 39 | 40 | echo. 41 | echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME% 42 | echo. 43 | echo Please set the JAVA_HOME variable in your environment to match the 44 | echo location of your Java installation. 45 | 46 | goto fail 47 | 48 | :init 49 | @rem Get command-line arguments, handling Windowz variants 50 | 51 | if not "%OS%" == "Windows_NT" goto win9xME_args 52 | if "%@eval[2+2]" == "4" goto 4NT_args 53 | 54 | :win9xME_args 55 | @rem Slurp the command line arguments. 56 | set CMD_LINE_ARGS= 57 | set _SKIP=2 58 | 59 | :win9xME_args_slurp 60 | if "x%~1" == "x" goto execute 61 | 62 | set CMD_LINE_ARGS=%* 63 | goto execute 64 | 65 | :4NT_args 66 | @rem Get arguments from the 4NT Shell from JP Software 67 | set CMD_LINE_ARGS=%$ 68 | 69 | :execute 70 | @rem Setup the command line 71 | 72 | set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar 73 | 74 | @rem Execute Gradle 75 | "%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %CMD_LINE_ARGS% 76 | 77 | :end 78 | @rem End local scope for the variables with windows NT shell 79 | if "%ERRORLEVEL%"=="0" goto mainEnd 80 | 81 | :fail 82 | rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of 83 | rem the _cmd.exe /c_ return code! 84 | if not "" == "%GRADLE_EXIT_CONSOLE%" exit 1 85 | exit /b 1 86 | 87 | :mainEnd 88 | if "%OS%"=="Windows_NT" endlocal 89 | 90 | :omega 91 | -------------------------------------------------------------------------------- /app/src/main/java/com/sergiopaniegoblanco/webrtcexampleapp/CustomPeerConnectionObserver.java: -------------------------------------------------------------------------------- 1 | package com.sergiopaniegoblanco.webrtcexampleapp; 2 | 3 | import android.util.Log; 4 | 5 | import org.webrtc.DataChannel; 6 | import org.webrtc.IceCandidate; 7 | import org.webrtc.MediaStream; 8 | import org.webrtc.PeerConnection; 9 | import org.webrtc.RtpReceiver; 10 | 11 | /** 12 | * Created by sergiopaniegoblanco on 28/09/2017. 13 | */ 14 | 15 | public class CustomPeerConnectionObserver implements PeerConnection.Observer { 16 | 17 | private String logTag = this.getClass().getCanonicalName(); 18 | 19 | CustomPeerConnectionObserver(String logTag) { 20 | this.logTag = this.logTag+" "+logTag; 21 | } 22 | 23 | @Override 24 | public void onSignalingChange(PeerConnection.SignalingState signalingState) { 25 | Log.d(logTag, "onSignalingChange() called with: signalingState = [" + signalingState + "]"); 26 | } 27 | 28 | @Override 29 | public void onIceConnectionChange(PeerConnection.IceConnectionState iceConnectionState) { 30 | Log.d(logTag, "onIceConnectionChange() called with: iceConnectionState = [" + iceConnectionState + "]"); 31 | } 32 | 33 | @Override 34 | public void onIceConnectionReceivingChange(boolean b) { 35 | Log.d(logTag, "onIceConnectionReceivingChange() called with: b = [" + b + "]"); 36 | } 37 | 38 | @Override 39 | public void onIceGatheringChange(PeerConnection.IceGatheringState iceGatheringState) { 40 | Log.d(logTag, "onIceGatheringChange() called with: iceGatheringState = [" + iceGatheringState + "]"); 41 | } 42 | 43 | @Override 44 | public void onIceCandidate(IceCandidate iceCandidate) { 45 | Log.d(logTag, "onIceCandidate() called with: iceCandidate = [" + iceCandidate + "]"); 46 | } 47 | 48 | @Override 49 | public void onIceCandidatesRemoved(IceCandidate[] iceCandidates) { 50 | Log.d(logTag, "onIceCandidatesRemoved() called with: iceCandidates = [" + iceCandidates + "]"); 51 | } 52 | 53 | @Override 54 | public void onAddStream(MediaStream mediaStream) { 55 | Log.d(logTag, "onAddStream() called with: mediaStream = [" + mediaStream + "]"); 56 | } 57 | 58 | @Override 59 | public void onRemoveStream(MediaStream mediaStream) { 60 | Log.d(logTag, "onRemoveStream() called with: mediaStream = [" + mediaStream + "]"); 61 | } 62 | 63 | @Override 64 | public void onDataChannel(DataChannel dataChannel) { 65 | Log.d(logTag, "onDataChannel() called with: dataChannel = [" + dataChannel + "]"); 66 | } 67 | 68 | @Override 69 | public void onRenegotiationNeeded() { 70 | Log.d(logTag, "onRenegotiationNeeded() called"); 71 | } 72 | 73 | @Override 74 | public void onAddTrack(RtpReceiver rtpReceiver, MediaStream[] mediaStreams) { 75 | 76 | } 77 | } 78 | -------------------------------------------------------------------------------- /app/src/main/res/layout/activity_main.xml: -------------------------------------------------------------------------------- 1 | 2 | 9 | 10 | 22 | 23 | 29 | 30 | 36 | 37 | 38 | 39 | 40 | 53 | 54 |