protected void initCamera()
{
    /*localRender.init(rootContext.getEglBaseContext(),null);
    localRender.setZOrderMediaOverlay(true);
    localRender.setMirror(true);
    localRender.setScalingType(scalingType);

    remoteRender.setMirror(false);
    remoteRender.setScalingType(scalingType);
    remoteRender.init(rootContext.getEglBaseContext(),null);*/
    // local and remote render
    if(videoEnable) {
        vsv.setVisibility(View.VISIBLE);
        remoteRender = VideoRendererGui.create(
                REMOTE_X, REMOTE_Y,
                REMOTE_WIDTH, REMOTE_HEIGHT, scalingType, false);
        localRender = VideoRendererGui.create(
                LOCAL_X_CONNECTING, LOCAL_Y_CONNECTING,
                LOCAL_WIDTH_CONNECTING, LOCAL_HEIGHT_CONNECTING, scalingType, true);
    } else {
        vsv.setVisibility(View.GONE);
    }
}
 

@Override
public void onLocalStream(final MediaStream localStream) {
    /*getHandler().post(new Runnable() {
        @Override
        public void run() {
            if(videoEnable) {

            }
        }
    });*/
    if(client==null||localRender ==  null) return;
    if(!videoEnable&&localStream.audioTracks.size()==1)
    {
        localStream.audioTracks.get(0).setEnabled(true);
    }
    if(localStream.videoTracks.size()==1) {
        localStream.videoTracks.get(0).addRenderer(new VideoRenderer(localRender));
        localStream.videoTracks.get(0).setEnabled(videoEnable);
        if (videoEnable) {
            VideoRendererGui.update(localRender,
                    LOCAL_X_CONNECTING, LOCAL_Y_CONNECTING,
                    LOCAL_WIDTH_CONNECTING, LOCAL_HEIGHT_CONNECTING,
                    scalingType, true);
        }
    }
}
 

public RoomChatPresenter(IRoomChatView view) {
    mView = view;
    mSocketAddress = "http://" + App.getInstance().getString(R.string.stream_host);
    mSocketAddress += (":" + App.getInstance().getString(R.string.stream_port) + "/");

    GLSurfaceView surfaceView = mView.getSurfaceView();
    surfaceView.setPreserveEGLContextOnPause(true);
    surfaceView.setKeepScreenOn(true);
    VideoRendererGui.setView(surfaceView, new Runnable() {
        @Override
        public void run() {
            // SurfaceView 准备完毕
            L.d("eglContextReadyCallback");
            init();
        }
    });

    localRender = VideoRendererGui.create(
            0, 0,
            50, 50, scalingType, true);

}
 

@Override
public void onAddRemoteStream(final MediaStream remoteStream, final PnPeer peer) {
    super.onAddRemoteStream(remoteStream, peer); // Will log values
    VideoChatActivity.this.runOnUiThread(new Runnable() {
        @Override
        public void run() {
            Toast.makeText(VideoChatActivity.this,"Connected to " + peer.getId(), Toast.LENGTH_SHORT).show();
            try {
                if(remoteStream.audioTracks.size()==0 || remoteStream.videoTracks.size()==0) return;
                mCallStatus.setVisibility(View.GONE);
                remoteStream.videoTracks.get(0).addRenderer(new VideoRenderer(remoteRender));
                VideoRendererGui.update(remoteRender, 0, 0, 100, 100, VideoRendererGui.ScalingType.SCALE_ASPECT_FILL, false);
                VideoRendererGui.update(localRender, 72, 65, 25, 25, VideoRendererGui.ScalingType.SCALE_ASPECT_FIT, true);
            }
            catch (Exception e){ e.printStackTrace(); }
        }
    });
}
 

@Override
protected void onCreate(Bundle savedInstanceState) {
    java.lang.System.setProperty("java.net.preferIPv6Addresses", "false");
    java.lang.System.setProperty("java.net.preferIPv4Stack", "true");
    super.onCreate(savedInstanceState);
    requestWindowFeature(Window.FEATURE_NO_TITLE);
    setContentView(R.layout.activity_janus);

    getWindow().addFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN);

    vsv = (GLSurfaceView) findViewById(R.id.glview);
    vsv.setPreserveEGLContextOnPause(true);
    vsv.setKeepScreenOn(true);
    VideoRendererGui.setView(vsv, new MyInit());

    localRender = VideoRendererGui.create(72, 72, 25, 25, VideoRendererGui.ScalingType.SCALE_ASPECT_FILL, false);
    remoteRender = VideoRendererGui.create(0, 0, 25, 25, VideoRendererGui.ScalingType.SCALE_ASPECT_FILL, true);
}
 

/**
 *  Attach the call's video renderers to the specified GLSurfaceView
 *
 *  @param glView  The GLSurfaceView on which to render video
 */
public void attachVideoRenderer(GLSurfaceView glView) {
    if (null != glView) {
        VideoRendererGui.setView(glView, new Runnable() {
            @Override
            public void run() {
                Log.d(TAG, "VideoRendererGui GL Context ready");
            }
        });

        remoteRender = VideoRendererGui.create(0, 0, 100, 100,
                VideoRendererGui.ScalingType.SCALE_ASPECT_FILL, false);
        localRender = VideoRendererGui.create(70, 5, 25, 25,
                VideoRendererGui.ScalingType.SCALE_ASPECT_FILL, false);
    }
}
 

@Override
public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    getWindow().addFlags(LayoutParams.FLAG_KEEP_SCREEN_ON
                    | LayoutParams.FLAG_DISMISS_KEYGUARD
                    | LayoutParams.FLAG_SHOW_WHEN_LOCKED
                    | LayoutParams.FLAG_TURN_SCREEN_ON);
    this.requestWindowFeature(Window.FEATURE_NO_TITLE);
    this.getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,
            WindowManager.LayoutParams.FLAG_FULLSCREEN);
    setContentView(R.layout.atom_rtc_activity_webrtc);
    videoEnable = getIntent().getBooleanExtra(INTENT_KEY_VIDEO_ENABLE,true);
    isCaller = getIntent().getBooleanExtra(INTENT_KEY_CREATEOFFER,false);
    from =  getIntent().getExtras().getString(INTENT_KEY_FROM);
    to =  getIntent().getExtras().getString(INTENT_KEY_TO);
    chatType =  getIntent().getExtras().getString(INTENT_KEY_CHATTYPE);
    realJid =  getIntent().getExtras().getString(INTENT_KEY_REALJID);
    LogUtil.d(TAG,"onCreate Load Tone");
    initView();
    EventBus.getDefault().register(this);
    if(videoEnable) {
        VideoRendererGui.setView(vsv, new Runnable() {
            @Override
            public void run() {
                init();
            }
        });
    } else {
        init();
    }
    initCamera();
    initInfo();
}
 

@Override
public void onAddRemoteStream(final MediaStream remoteStream) {
    if(client == null||remoteRender ==  null) return;
    stopPlayTone();
    if(remoteStream.audioTracks.size()>1||
            remoteStream.videoTracks.size()>1)
    {
        LogUtil.e("Wired looking stream: "+remoteStream);
        return;
    }
    if(!videoEnable&&remoteStream.audioTracks.size()==1)
    {
        remoteStream.audioTracks.get(0).setEnabled(true);
    }
    if(remoteStream.videoTracks.size() == 1)
    {
        remoteStream.videoTracks.get(0).addRenderer(new VideoRenderer(remoteRender));
        remoteStream.videoTracks.get(0).setEnabled(videoEnable);
        if(videoEnable) {
            VideoRendererGui.update(remoteRender,
                    REMOTE_X, REMOTE_Y,
                    REMOTE_WIDTH, REMOTE_HEIGHT, scalingType, false);
            VideoRendererGui.update(localRender,
                    LOCAL_X_CONNECTED, LOCAL_Y_CONNECTED,
                    LOCAL_WIDTH_CONNECTED, LOCAL_HEIGHT_CONNECTED,
                    scalingType, true);
        }
    }
}
 

private void switchRender() {
    VideoRendererGui.update(localRender,
            REMOTE_X, REMOTE_Y,
            REMOTE_WIDTH, REMOTE_HEIGHT, scalingType, true);
    VideoRendererGui.update(remoteRender,
            LOCAL_X_CONNECTED, LOCAL_Y_CONNECTED,
            LOCAL_WIDTH_CONNECTED, LOCAL_HEIGHT_CONNECTED,
            scalingType, false);
}
 

@Override
protected void initData() {
    super.initData();

    Bundle bundle = getIntent().getExtras();
    String fromUser = bundle.getString("fromUser");
    String toUser = bundle.getString("toUser");
    String room = bundle.getString("room");
    this.fromUser = fromUser;
    this.toUser = toUser;
    this.room = room;
    int type = bundle.getInt("type");
    videoType = type == 0?ChatVideoType.videoTypeCaller:ChatVideoType.videoTypeCallee;
    videoView = new GLSurfaceView(mContext);
    videoView.setPreserveEGLContextOnPause(true);
    videoView.setKeepScreenOn(true);
    VideoRendererGui.setView(videoView, new Runnable() {
        @Override
        public void run() {

            initHelper();
        }
    });
    FrameLayout layout = findViewById(R.id.video_view_back);
    LinearLayout.LayoutParams layoutParams = new LinearLayout.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.MATCH_PARENT);
    layout.addView(videoView, layoutParams);

    /*
    * 两者初始化顺序会影响最终渲染层的层次结构
    * */
    remoteRender = VideoRendererGui.create(0, 0, 100, 100, VideoRendererGui.ScalingType.SCALE_ASPECT_FILL, true);
    localRender = VideoRendererGui.create(66, 0, 33, 33, VideoRendererGui.ScalingType.SCALE_ASPECT_FILL, true);

}
 

private void init() {
    if (mView == null) {
        L.w("view is null, it may be destroyed");
        return;
    }
    Point displaySize = mView.getDisplaySize();
    // TODO make sure video height and width supported.确保手机摄像头支持displaySize的分辨率
    PeerConnectionParameters params = new PeerConnectionParameters(
            true, false, displaySize.x, displaySize.y, 30, 1, VIDEO_CODEC_VP9, true, 1, AUDIO_CODEC_OPUS, true);

    mWebRtcClient = new WebRtcClient(this, mSocketAddress, params, VideoRendererGui.getEGLContext());
}
 

private void addRender(MediaStream stream, int position) {
    VideoRenderer.Callbacks render;
    L.d("addRender position is " + position);
    if (position == 0) {
        render = localRender;
    } else {
        render = VideoRendererGui.create(position % 2 == 0 ? 0 : 50,
                position / 2 * 50,
                50, 50,
                scalingType, false);
    }
    stream.videoTracks.get(0).addRenderer(new VideoRenderer(render));
}
 

private boolean startLocalMediaSync() {
    if (mediaResourceManager != null && mediaResourceManager.getLocalMediaStream() == null) {
        mediaResourceManager.createLocalMediaStream(VideoRendererGui.getEglBaseContext(), localRender);
        mediaResourceManager.startVideoSource();
        mediaResourceManager.selectCameraPosition(config.getCameraPosition());
        return true;
    } else {
        return false;
    }
}
 

@Override
public void onRemoteStream(MediaStream stream) {
    stream.videoTracks.get(0).setEnabled(true);
    if(stream.videoTracks.get(0).enabled())
        Log.d("JANUSCLIENT", "video tracks enabled");
    stream.videoTracks.get(0).addRenderer(new VideoRenderer(remoteRender));
    VideoRendererGui.update(remoteRender, 0, 0, 25, 25, VideoRendererGui.ScalingType.SCALE_ASPECT_FILL, true);
    VideoRendererGui.update(localRender, 72, 72, 25, 25, VideoRendererGui.ScalingType.SCALE_ASPECT_FILL, false);
}
 

private void init() {
    try {
        EGLContext con = VideoRendererGui.getEGLContext();
        echoTest = new EchoTest(localRender, remoteRender);
        echoTest.initializeMediaContext(JanusActivity.this, true, true, true, con);
        echoTest.Start();

    } catch (Exception ex) {
        Log.e("computician.janusclient", ex.getMessage());
    }
}
 

/**
 *  Notify the shared SDK instance that the specified client has connected. This is for internal use only, and should never be called by your client application.
 *
 *  @param client  The client that just connected
 */
public void clientConnected(RespokeClient client) {
    if (null != pushToken) {
        registerPushServices();
    }

    if (!factoryStaticInitialized) {
        // Perform a one-time WebRTC global initialization
        PeerConnectionFactory.initializeAndroidGlobals(context, true, true, true, VideoRendererGui.getEGLContext());
        factoryStaticInitialized = true;
    }
}
 

public void updateRenderer(RendererSurface rendererSurface, RendererConfig config){
    boolean mainRenderer = RendererSurface.MAIN.equals(rendererSurface);
    VideoRenderer.Callbacks callbacks = mainRenderer ? mainRendererCallback
            :localRendererCallback;

    if (config.coordinates != null) {
        setViewCoordinates((mainRenderer ? remoteCoords : localCoords),
                config.coordinates);
    }
    setRendererMirror(config.mirror, rendererSurface);
    int[] viewCoordinates = mainRenderer ? remoteCoords : localCoords;
    VideoRendererGui.update(callbacks, viewCoordinates[0], viewCoordinates[1], viewCoordinates[2],
            viewCoordinates[3], RendererCommon.ScalingType.SCALE_ASPECT_FILL,
            (mainRenderer ? mainMirror : secondMirror));
}
 

public void  release(){
    if (localRendererCallback != null) {
        VideoRendererGui.remove(localRendererCallback);
    }
    if (mainRendererCallback != null) {
        VideoRendererGui.remove(mainRendererCallback);
    }
}
 

private void init(TypedArray typedArray) {
    VideoRendererGui.setView(this, null);
    if (typedArray != null) {
        setValuefromResources(typedArray);
        typedArray.recycle();
    }

    obtainMainVideoRenderer();
}
 

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);

    setContentView(R.layout.activity_main);

    AudioManager audioManager = (AudioManager) this.getSystemService(Context.AUDIO_SERVICE);
    audioManager.setMode(AudioManager.MODE_IN_COMMUNICATION);
    audioManager.setSpeakerphoneOn(true);

    PeerConnectionFactory.initializeAndroidGlobals(
            this,  // Context
            true,  // Audio Enabled
            true,  // Video Enabled
            true,  // Hardware Acceleration Enabled
            null); // Render EGL Context

    peerConnectionFactory = new PeerConnectionFactory();

    VideoCapturerAndroid vc = VideoCapturerAndroid.create(VideoCapturerAndroid.getNameOfFrontFacingDevice(), null);

    localVideoSource = peerConnectionFactory.createVideoSource(vc, new MediaConstraints());
    VideoTrack localVideoTrack = peerConnectionFactory.createVideoTrack(VIDEO_TRACK_ID, localVideoSource);
    localVideoTrack.setEnabled(true);

    AudioSource audioSource = peerConnectionFactory.createAudioSource(new MediaConstraints());
    AudioTrack localAudioTrack = peerConnectionFactory.createAudioTrack(AUDIO_TRACK_ID, audioSource);
    localAudioTrack.setEnabled(true);

    localMediaStream = peerConnectionFactory.createLocalMediaStream(LOCAL_STREAM_ID);
    localMediaStream.addTrack(localVideoTrack);
    localMediaStream.addTrack(localAudioTrack);

    GLSurfaceView videoView = (GLSurfaceView) findViewById(R.id.glview_call);

    VideoRendererGui.setView(videoView, null);
    try {
        otherPeerRenderer = VideoRendererGui.createGui(0, 0, 100, 100, VideoRendererGui.ScalingType.SCALE_ASPECT_FILL, true);
        VideoRenderer renderer = VideoRendererGui.createGui(50, 50, 50, 50, VideoRendererGui.ScalingType.SCALE_ASPECT_FILL, true);
        localVideoTrack.addRenderer(renderer);
    } catch (Exception e) {
        e.printStackTrace();
    }
}
 

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_video_chat);
    getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);

    Bundle extras = getIntent().getExtras();
    if (extras == null || !extras.containsKey(Constants.USER_NAME)) {
        Intent intent = new Intent(this, MainActivity.class);
        startActivity(intent);
        Toast.makeText(this, "Need to pass username to VideoChatActivity in intent extras (Constants.USER_NAME).",
                Toast.LENGTH_SHORT).show();
        finish();
        return;
    }
    this.username      = extras.getString(Constants.USER_NAME, "");
    this.mChatList     = getListView();
    this.mChatEditText = (EditText) findViewById(R.id.chat_input);
    this.mCallStatus   = (TextView) findViewById(R.id.call_status);

    // Set up the List View for chatting
    List<ChatMessage> ll = new LinkedList<ChatMessage>();
    mChatAdapter = new ChatAdapter(this, ll);
    mChatList.setAdapter(mChatAdapter);

    // First, we initiate the PeerConnectionFactory with our application context and some options.
    PeerConnectionFactory.initializeAndroidGlobals(
            this,  // Context
            true,  // Audio Enabled
            true,  // Video Enabled
            true,  // Hardware Acceleration Enabled
            null); // Render EGL Context

    PeerConnectionFactory pcFactory = new PeerConnectionFactory();
    this.pnRTCClient = new PnRTCClient(Constants.PUB_KEY, Constants.SUB_KEY, this.username);
    List<PeerConnection.IceServer> servers = getXirSysIceServers();
    if (!servers.isEmpty()){
        this.pnRTCClient.setSignalParams(new PnSignalingParams());
    }

    // Returns the number of cams & front/back face device name
    int camNumber = VideoCapturerAndroid.getDeviceCount();
    String frontFacingCam = VideoCapturerAndroid.getNameOfFrontFacingDevice();
    String backFacingCam = VideoCapturerAndroid.getNameOfBackFacingDevice();

    // Creates a VideoCapturerAndroid instance for the device name
    VideoCapturer capturer = VideoCapturerAndroid.create(frontFacingCam);

    // First create a Video Source, then we can make a Video Track
    localVideoSource = pcFactory.createVideoSource(capturer, this.pnRTCClient.videoConstraints());
    VideoTrack localVideoTrack = pcFactory.createVideoTrack(VIDEO_TRACK_ID, localVideoSource);

    // First we create an AudioSource then we can create our AudioTrack
    AudioSource audioSource = pcFactory.createAudioSource(this.pnRTCClient.audioConstraints());
    AudioTrack localAudioTrack = pcFactory.createAudioTrack(AUDIO_TRACK_ID, audioSource);

    // To create our VideoRenderer, we can use the included VideoRendererGui for simplicity
    // First we need to set the GLSurfaceView that it should render to
    this.videoView = (GLSurfaceView) findViewById(R.id.gl_surface);

    // Then we set that view, and pass a Runnable to run once the surface is ready
    VideoRendererGui.setView(videoView, null);

    // Now that VideoRendererGui is ready, we can get our VideoRenderer.
    // IN THIS ORDER. Effects which is on top or bottom
    remoteRender = VideoRendererGui.create(0, 0, 100, 100, VideoRendererGui.ScalingType.SCALE_ASPECT_FILL, false);
    localRender = VideoRendererGui.create(0, 0, 100, 100, VideoRendererGui.ScalingType.SCALE_ASPECT_FILL, true);

    // We start out with an empty MediaStream object, created with help from our PeerConnectionFactory
    //  Note that LOCAL_MEDIA_STREAM_ID can be any string
    MediaStream mediaStream = pcFactory.createLocalMediaStream(LOCAL_MEDIA_STREAM_ID);

    // Now we can add our tracks.
    mediaStream.addTrack(localVideoTrack);
    mediaStream.addTrack(localAudioTrack);

    // First attach the RTC Listener so that callback events will be triggered
    this.pnRTCClient.attachRTCListener(new DemoRTCListener());

    // Then attach your local media stream to the PnRTCClient.
    //  This will trigger the onLocalStream callback.
    this.pnRTCClient.attachLocalMediaStream(mediaStream);

    // Listen on a channel. This is your "phone number," also set the max chat users.
    this.pnRTCClient.listenOn("Kevin");
    this.pnRTCClient.setMaxConnections(1);

    // If the intent contains a number to dial, call it now that you are connected.
    //  Else, remain listening for a call.
    if (extras.containsKey(Constants.CALL_USER)) {
        String callUser = extras.getString(Constants.CALL_USER, "");
        connectToUser(callUser);
    }
}
 

@Override
public void onLocalStream(MediaStream stream) {
    stream.videoTracks.get(0).addRenderer(new VideoRenderer(localRender));
    VideoRendererGui.update(localRender, 0, 0, 25, 25, VideoRendererGui.ScalingType.SCALE_ASPECT_FILL, false);
}
 

@Override
public void onCreate(Bundle savedInstanceState) {
  super.onCreate(savedInstanceState);

  Thread.setDefaultUncaughtExceptionHandler(
      new UnhandledExceptionHandler(this));

  getWindow().addFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN);
  getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);

  Point displaySize = new Point();
  getWindowManager().getDefaultDisplay().getRealSize(displaySize);

  vsv = new AppRTCGLView(this, displaySize);
  VideoRendererGui.setView(vsv);
  remoteRender = VideoRendererGui.create(0, 0, 100, 100);
  localRender = VideoRendererGui.create(70, 5, 25, 25);

  vsv.setOnClickListener(new View.OnClickListener() {
      @Override public void onClick(View v) {
        toggleHUD();
      }
    });
  setContentView(vsv);
  logAndToast("Tap the screen to toggle stats visibility");

  hudView = new TextView(this);
  hudView.setTextColor(Color.BLACK);
  hudView.setBackgroundColor(Color.WHITE);
  hudView.setAlpha(0.4f);
  hudView.setTextSize(TypedValue.COMPLEX_UNIT_PT, 5);
  hudView.setVisibility(View.INVISIBLE);
  addContentView(hudView, hudLayout);

  if (!factoryStaticInitialized) {
    abortUnless(PeerConnectionFactory.initializeAndroidGlobals(
        this, true, true),
      "Failed to initializeAndroidGlobals");
    factoryStaticInitialized = true;
  }

  AudioManager audioManager =
      ((AudioManager) getSystemService(AUDIO_SERVICE));
  // TODO(fischman): figure out how to do this Right(tm) and remove the
  // suppression.
  @SuppressWarnings("deprecation")
  boolean isWiredHeadsetOn = audioManager.isWiredHeadsetOn();
  audioManager.setMode(isWiredHeadsetOn ?
      AudioManager.MODE_IN_CALL : AudioManager.MODE_IN_COMMUNICATION);
  audioManager.setSpeakerphoneOn(!isWiredHeadsetOn);

  sdpMediaConstraints = new MediaConstraints();
  sdpMediaConstraints.mandatory.add(new MediaConstraints.KeyValuePair(
      "OfferToReceiveAudio", "true"));
  sdpMediaConstraints.mandatory.add(new MediaConstraints.KeyValuePair(
      "OfferToReceiveVideo", "true"));

  final Intent intent = getIntent();
  if ("android.intent.action.VIEW".equals(intent.getAction())) {
    connectToRoom(intent.getData().toString());
    return;
  }
  showGetRoomUI();
}
 

public void removeLocalRendererCallback(){
    if (localRendererCallback != null) {
        VideoRendererGui.remove(localRendererCallback);
        localRendererCallback = null;
    }
}
 

public void removeMainRendererCallback(){
    if (mainRendererCallback != null) {
        VideoRendererGui.remove(mainRendererCallback);
        mainRendererCallback = null;
    }
}
 

private VideoRenderer.Callbacks initRenderer(boolean mirror, int[] viewCoordinates) {
    return VideoRendererGui.createGuiRenderer(viewCoordinates[0], viewCoordinates[1], viewCoordinates[2],
            viewCoordinates[3], RendererCommon.ScalingType.SCALE_ASPECT_FILL, mirror);

}
 

@Override
public void onCreate(Bundle savedInstanceState) {
  super.onCreate(savedInstanceState);

  Thread.setDefaultUncaughtExceptionHandler(
      new UnhandledExceptionHandler(this));

  getWindow().addFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN);
  getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);

  Point displaySize = new Point();
  getWindowManager().getDefaultDisplay().getRealSize(displaySize);

  vsv = new AppRTCGLView(this, displaySize);
  VideoRendererGui.setView(vsv);
  remoteRender = VideoRendererGui.create(0, 0, 100, 100);
  localRender = VideoRendererGui.create(70, 5, 25, 25);

  vsv.setOnClickListener(new View.OnClickListener() {
      @Override public void onClick(View v) {
        toggleHUD();
      }
    });
  setContentView(vsv);
  logAndToast("Tap the screen to toggle stats visibility");

  hudView = new TextView(this);
  hudView.setTextColor(Color.BLACK);
  hudView.setBackgroundColor(Color.WHITE);
  hudView.setAlpha(0.4f);
  hudView.setTextSize(TypedValue.COMPLEX_UNIT_PT, 5);
  hudView.setVisibility(View.INVISIBLE);
  addContentView(hudView, hudLayout);

  if (!factoryStaticInitialized) {
    abortUnless(PeerConnectionFactory.initializeAndroidGlobals(
        this, true, true),
      "Failed to initializeAndroidGlobals");
    factoryStaticInitialized = true;
  }

  AudioManager audioManager =
      ((AudioManager) getSystemService(AUDIO_SERVICE));
  // TODO(fischman): figure out how to do this Right(tm) and remove the
  // suppression.
  @SuppressWarnings("deprecation")
  boolean isWiredHeadsetOn = audioManager.isWiredHeadsetOn();
  audioManager.setMode(isWiredHeadsetOn ?
      AudioManager.MODE_IN_CALL : AudioManager.MODE_IN_COMMUNICATION);
  audioManager.setSpeakerphoneOn(!isWiredHeadsetOn);

  sdpMediaConstraints = new MediaConstraints();
  sdpMediaConstraints.mandatory.add(new MediaConstraints.KeyValuePair(
      "OfferToReceiveAudio", "true"));
  sdpMediaConstraints.mandatory.add(new MediaConstraints.KeyValuePair(
      "OfferToReceiveVideo", "true"));

  final Intent intent = getIntent();
  if ("android.intent.action.VIEW".equals(intent.getAction())) {
    connectToRoom(intent.getData().toString());
    return;
  }
  showGetRoomUI();
}