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2770c3df91
1, Let targets libwebrtc_unity and webrtc_unity_plugin built with Ninja -C out/***. 2, Fixed compile issue of libwebrtc_unity. 3, Built libwebrtc_unity classes into Java 7 instead of Java 8 for android. 4, Added an interface to enable peerconnectionFactory for android in Unity. Bug: webrtc:8986 Change-Id: I2a206a77ab38895ec9ac845ce89507d61076d396 Reviewed-on: https://webrtc-review.googlesource.com/59000 Reviewed-by: Qiang Chen <qiangchen@chromium.org> Commit-Queue: George Zhou <gyzhou@chromium.org> Cr-Commit-Position: refs/heads/master@{#22373}
33 lines
2.2 KiB
Text
33 lines
2.2 KiB
Text
Instruction of running webrtc_unity_plugin on Android Unity
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1. On Linux machine, compile target webrtc_unity_plugin.
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Checkout WebRTC codebase: fetch --no-hooks webrtc_android
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If you already have a checkout for linux, add target_os=”android” into .gclient file.
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Run gclient sync
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Run gn args out/Android, and again set target_os=”android” in the args.gn
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Run ninja -C out/Android webrtc_unity_plugin
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2. On Linux machine, build target libwebrtc_unity under webrtc checkout. This is the java code for webrtc to work on Android.
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3. Copy libwebrtc_unity.jar and libwebrtc_unity_plugin.so into Unity project folder, under Assets/Plugins/Android folder.
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4. Rename libwebrtc_unity_plugin.so to libjingle_peerconnection_so.so. This is hacky, and the purpose is to let the java code in libwebrtc_unity.jar to find their JNI implementations. Simultaneously, in your C# wrapper script for the native plugin libjingle_peerconnection_so.so, the dll_path should be set to “jingle_peerconnection_so”.
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5. In the Unity Main Scene’s Start method, write the following code to initialize the Java environment for webrtc (otherwise, webrtc will not be able to access audio device or camera from C++ code):
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#if UNITY_ANDROID
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AndroidJavaClass playerClass = new AndroidJavaClass("com.unity3d.player.UnityPlayer");
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AndroidJavaObject activity = playerClass.GetStatic<AndroidJavaObject>("currentActivity");
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AndroidJavaClass utilityClass = new AndroidJavaClass("org.webrtc.UnityUtility");
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utilityClass.CallStatic("InitializePeerConncectionFactory", new object[1] { activity });
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#endif
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6. Compile the unity project into an APK, and decompile the apk using apktool that you can download from https://ibotpeaches.github.io/Apktool/
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Run apktool d apkname.apk.
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Then copy the AndroidManifest.xml in the decompiled folder to the Assets/Plugins/Android folder, and add two lines:
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<uses-permission android:name="android.permission.RECORD_AUDIO" />
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<uses-permission android:name="android.permission.CAMERA" />
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The purpose of using apktool is to get a well-written android manifest xml file. If you know how to write manifest file from scratch, you can skip using apktool.
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7. Compile the unity project into an APK again and deploy it to an android device.
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