WebRTC error inside Chromium WebView: "CheckMediaAccessPermission: Not supported"

Question

I'm trying to show WebRTC chat in WebView. According to this documentation, WebView v36 supports WebRTC. For my test I'm using a device with Chrome/39.0.0.0 and I have added permissions to the AndroidManifest.xml file:

<uses-permission android:name="android.permission.INTERNET" /> <uses-permission android:name="android.permission.CAMERA" /> <uses-permission android:name="android.permission.RECORD_AUDIO" /> <user-permission android:name="android.permission.MODIFY_AUDIO_SETTINGS" /> 

but when I enter into the chat, I see a Chromium error log (device doesn't show \ translate anything, only 'loading' progress bar):

W/AudioManagerAndroid: Requires MODIFY_AUDIO_SETTINGS and RECORD_AUDIO W/AudioManagerAndroid: No audio device will be available for recording E/chromium: [ERROR:web_contents_delegate.cc(178)] WebContentsDelegate::CheckMediaAccessPermission: Not supported. E/chromium: [ERROR:web_contents_delegate.cc(178)] WebContentsDelegate::CheckMediaAccessPermission: Not supported. W/AudioManagerAndroid: Requires MODIFY_AUDIO_SETTINGS and RECORD_AUDIO W/AudioManagerAndroid: No audio device will be available for recording D/ChromiumCameraInfo: Camera enumerated: front 

Tested on a real device, Android 5.1.1.

Answer 1

additional request for permissions is needed

webView.setWebChromeClient(new WebChromeClient(){         @TargetApi(Build.VERSION_CODES.LOLLIPOP)         @Override         public void onPermissionRequest(final PermissionRequest request) {                 request.grant(request.getResources());         }     }); 

update but it not working for audio capture

UPDATE found working google-sample code here