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Getting the Code

Android development is only supported on Linux.

  1. Install prerequisite software

  2. Set the target OS in your environment:

    export GYP_DEFINES="OS=android"
  3. Create a working directory, enter it, and run:

    fetch --nohooks webrtc_android
    gclient sync

This will fetch a regular WebRTC checkout with the Android-specific parts added. The same checkout can be used for both Linux and Android development, depending on the OS you set in GYP_DEFINES (see above).

See Development for instructions on how to update the code, building etc.

Using the Bundled Android SDK/NDK

In order to use the Android SDK and NDK that is bundled in third_party/android_tools, run this to get it included in your PATH (from src/):

. build/android/

Then you’ll have adb and all the other Android tools in your PATH.

Running the AppRTCDemo App

AppRTCDemo is an Android application using WebRTC Native APIs via JNI (JNI wrapper is documented here).

For instructions on how to build and run, see webrtc/examples/androidapp/README.

Running WebRTC Native Tests on an Android Device

To build APKs with the WebRTC native tests, follow these instructions.

  1. Ensure you have an Android device set in Developer mode connected via USB.

  2. With the target OS set in GYP_DEFINES as described above, compile everything:

    ninja -C out/Debug
  3. To see which tests are available: look in out/Debug/bin.

  4. Run a test on your device:

  5. If you want to limit to a subset of tests, use the --gtest_filter flag, e.g.

    out/Debug/bin/run_modules_unittests \
  6. NOTICE: The first time you run a test, you must accept a dialog on the device!

If want to run Release builds instead; build out/Release and use the scripts generated in out/Release/bin.

Running WebRTC Instrumentation Tests on an Android Device

The instrumentation tests (like AppRTCDemoTest and libjingle_peerconnection_android_unittest) gets scripts generated in the same location as the native tests described in the previous section.