[UNOFFICIAL] WebRTC example android app

converted and add DataChannel message transmission support on Call screen.

I'm not official contributor of WebRTC NOR appr.tc

used 63eb65cd819b0ba7b5df34dbcc4dd756b0029b6c from

https://chromium.googlesource.com/external/webrtc/+/refs/heads/master/examples/androidapp/

This directory contains an example Android client for https://appr.tc

Prerequisites:

• "Getting the code", "Compiling", and "Using the Bundled Android SDK/NDK" on http://www.webrtc.org/native-code/android

Example of building & using the app:

cd <path/to/webrtc>/src

ninja -C out/Default AppRTCMobile

adb install -r out/Default/apks/AppRTCMobile.apk

In desktop chrome, navigate to https://appr.tc and note the r= room

this redirects to or navigate directly to https://appr.tc/r/ with

your own room number. Launch AppRTC on the device and add same into the room name list.

You can also run application from a command line to connect to the first room in a list:

adb shell am start -n org.appspot.apprtc/.ConnectActivity -a android.intent.action.VIEW

This should result in the app launching on Android and connecting to the 3-dot-apprtc

page displayed in the desktop browser.

To run loopback test execute following command:

adb shell am start -n org.appspot.apprtc/.ConnectActivity -a android.intent.action.VIEW --ez "org.appspot.apprtc.LOOPBACK" true