Screen Recod

Permission Required

<uses-permission android:name="android.permission.POST_NOTIFICATIONS" />
<uses-permission android:name="android.permission.FOREGROUND_SERVICE" />
<uses-permission android:name="android.permission.FOREGROUND_SERVICE_MEDIA_PROJECTION" />

Recording Service

class ScreenRecordingService : Service() {
    companion object {
        var isRecording by mutableStateOf(false)
    }
    private var mediaRecorder: MediaRecorder? = null
    private var virtualDisplay: VirtualDisplay? = null
    private var mediaProjection: MediaProjection? = null

    override fun onStartCommand(intent: Intent?, flags: Int, startId: Int): Int {
        handleStartForeground()
        val default = START_NOT_STICKY
        val resultCode =
            intent?.getIntExtra("resultCode", Activity.RESULT_CANCELED) ?: return default
        val data = intent.getParcelableExtra<Intent>("data") ?: return default
        val mediaProjectionManager = getSystemService(MediaProjectionManager::class.java)
        mediaProjection = mediaProjectionManager.getMediaProjection(resultCode, data).also {
            it?.registerCallback(object : MediaProjection.Callback() {
                override fun onStop() {
                    super.onStop()
                    stopSelf()
                }
            }, null)
        }
        startRecording()
        return default
    }

    private fun startRecording() {
        val metrics = resources.displayMetrics
        val outputFile = File(
  Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_MOVIES),
            "third_${System.currentTimeMillis()}.mp4")

        mediaRecorder = MediaRecorder(this).apply {
            setVideoSource(MediaRecorder.VideoSource.SURFACE)
            setOutputFormat(MediaRecorder.OutputFormat.MPEG_4)
            setOutputFile(outputFile)
            setVideoEncoder(MediaRecorder.VideoEncoder.H264)
            setVideoSize(metrics.widthPixels, metrics.heightPixels)
            setVideoFrameRate(30)
            prepare()
        }

        virtualDisplay = mediaProjection?.createVirtualDisplay(
            "Virtual Screen",
            metrics.widthPixels,
            metrics.heightPixels,
            metrics.densityDpi,
            DisplayManager.VIRTUAL_DISPLAY_FLAG_AUTO_MIRROR,
            mediaRecorder?.surface, null, null
        )

        mediaRecorder?.start()
        isRecording = true
    }

    private fun handleStartForeground() {
        val channelId = "record_channel"
        val manager = getSystemService(NotificationManager::class.java)
        val channel =
            NotificationChannel(channelId, "Record Channel", NotificationManager.IMPORTANCE_LOW)
        manager.createNotificationChannel(channel)
        val notification =
            NotificationCompat.Builder(this, channelId)
              .setContentTitle("Recording...")
                .setSmallIcon(R.drawable.ic_launcher_foreground).build()
        startForeground(1, notification)
    }
    override fun onDestroy() {
        super.onDestroy()
        runCatching {
            mediaRecorder?.stop()
            mediaRecorder?.release()
            virtualDisplay?.release()
            mediaProjection?.stop()
            mediaProjection?.stop()
        }
    }

    override fun onBind(p0: Intent?): IBinder? = null
}