Android

// Join room
val connectOptions = ConnectOptions.Builder(accessToken)
    .roomName(roomName)
    .audioTracks(localAudioTracks)
    .videoTracks(localVideoTracks)
    .dataTracks(localDataTracks)
    .build()
val room = Video.connect(context, connectOptions, roomListener)

//Initialize TRTC
// Create trtc instance(singleton)  and set up event listeners
val mCloud = TRTCCloud.sharedInstance(getApplicationContext());
mCloud.setListener(this);

// Join room
// Please replace each field in TRTCParams with your own parameters
val params = TRTCParams()
params.sdkAppId = 1400000123 // Please replace with your own SDKAppID
params.userId = "denny" // Please replace with your own userid
params.roomId = 123321 // Please replace with your own room number
params.userSig = "xxx" // Please replace with your own userSig
params.role = TRTCCloudDef.TRTCRoleAnchor

// If your application scenario is a video call between several people, please use "TRTC_APP_SCENE_LIVE"
mCloud.enterRoom(params, TRTCCloudDef.TRTC_APP_SCENE_LIVE)

// Listen for the `onEnterRoom` event of the SDK to get the room entry result
// Listen for the `onEnterRoom` event of the SDK and learn whether the room is successfully entered
@Override
public void onEnterRoom(long     result) {
    if (result > 0) {
        Log.d(TAG, "Enter room succeed");
    } else {
        Log.d(TAG, "Enter room failed");
    }
}

// Start video
val cameraEnumerator = Camera2Enumerator(context)
cameraEnumerator.deviceNames.firstOrNull { cameraEnumerator.isFrontFacing(it) }?.let {
    val cameraCapturer = Camera2Capturer(context, it)
    val localVideoTrack = LocalVideoTrack.create(context, true, cameraCapturer)
    cameraCapturer.startCapture(width, height, framerate)
}

// Stop video
cameraCapturer.stopCapture()

// Set the preview mode of the local video image: Enable horizontal mirroring and set the fill mode for the video image
TRTCCloudDef.TRTCRenderParams param = new TRTCCloudDef.TRTCRenderParams();
param.fillMode   = TRTCCloudDef.TRTC_VIDEO_RENDER_MODE_FILL;
param.mirrorType = TRTCCloudDef.TRTC_VIDEO_MIRROR_TYPE_AUTO;
mCloud.setLocalRenderParams(param);


// Enable local camera preview (`localCameraVideo` is the control used to render the local video image)
TXCloudVideoView cameraVideo = findViewById(R.id.txcvv_main_local);
mCloud.startLocalPreview(true, cameraVideo);

// Use `TXDeviceManager` to enable autofocus and turn on the flash
TXDeviceManager manager = mCloud.getDeviceManager();
if (manager.isAutoFocusEnabled()) {
    manager.enableCameraAutoFocus(true);
}
manager.enableCameraTorch(true);

// Enable mic and set `quality` to `SPEECH` for the voice mode
mCloud.startLocalAudio(TRTCCloudDef.TRTC_AUDIO_QUALITY_SPEECH );

 private lateinit var remoteVideoView: VideoView
    private fun setRoomListener() {
        remoteVideoView = findViewById(R.id.remote_video_view)
        val roomListener = object : Room.Listener {
            override fun onConnected(room: Room) {
                room.remoteParticipants.forEach { remoteParticipant ->
                    addRemoteParticipant(remoteParticipant)
                }
            }

            override fun onParticipantConnected(room: Room, remoteParticipant: RemoteParticipant) {
                addRemoteParticipant(remoteParticipant)
            }
        }
    }

    private fun addRemoteParticipant(remoteParticipant: RemoteParticipant) {
        remoteParticipant.setListener(object : RemoteParticipant.Listener {
            override fun onVideoTrackSubscribed(
                remoteParticipant: RemoteParticipant,
                remoteVideoTrackPublication: RemoteVideoTrackPublication,
                remoteVideoTrack: RemoteVideoTrack
            ) {
                remoteVideoTrack.addSink(remoteVideoView)
            }

            override fun onVideoTrackUnsubscribed(
                remoteParticipant: RemoteParticipant,
                remoteVideoTrackPublication: RemoteVideoTrackPublication,
                remoteVideoTrack: RemoteVideoTrack
            ) {
                remoteVideoTrack.removeSink(remoteVideoView)
            }

        })
    }

// Play back the camera (primary stream) image of `denny`
mCloud.startRemoteView("denny", TRTCCloudDef.TRTC_VIDEO_STREAM_TYPE_BIG, cameraView);

room.disconnect()

// Exit the current room
mCloud.exitRoom();

// Listen for the `onExitRoom` callback to get the reason for room exit
@Override
public void onExitRoom(int reason) {
    if (reason == 0) {
        Log.d(TAG, "Exit current room by calling the 'exitRoom' api of sdk ...");
    } else if (reason == 1) {
        Log.d(TAG, "Kicked out of the current room by server through the restful api...");
    } else if (reason == 2) {
        Log.d(TAG, "Current room is dissolved by server through the restful api...");
    }
}