private class ReceiveDataTask extends AsyncTask<Void, Void, Bitmap> {

        @Override
        protected Bitmap doInBackground(Void... voids) {
            try {
                // Establish a TCP connection with the server
                Socket socket = new Socket();
                socket.connect(new InetSocketAddress(ip, 50523), 500);

                while (screen_running) {
                    // Receive the screen image data
                    InputStream inputStream = socket.getInputStream();
                    BufferedInputStream bufferedInputStream = new BufferedInputStream(inputStream);

                    // Decode the image data into a Bitmap
                    Bitmap bitmap = BitmapFactory.decodeStream(bufferedInputStream);

                    // Update the ImageView on the UI thread
                    runOnUiThread(new Runnable() {
                        @Override
                        public void run() {
                            if (bitmap != null)
                            {
                                control_screen_computer_screen.setImageBitmap(bitmap);
                                Log.wtf("receive data task", "image changed");
                            }

                            else
                            {
                                Log.wtf("receive data task", "image data null");
                            }

                        }
                    });

                    Thread.sleep(20);
                }

                // Close the connection
                socket.close();
            }

            catch (Exception e)
            {
                Log.wtf("receive data task", "error occur " + e);
            }
            return null;
        }
    }

private class ReceiveDataTask extends AsyncTask<Void, Void, Bitmap> {

        @Override
        protected Bitmap doInBackground(Void... voids) {
            try {
                // Establish a TCP connection with the server
                Socket socket = new Socket();
                socket.connect(new InetSocketAddress(ip, 50523), 500);

                while (screen_running) {
                    // Receive the screen image data
                    InputStream inputStream = socket.getInputStream();
                    BufferedInputStream bufferedInputStream = new BufferedInputStream(inputStream);

                    // Decode the image data into a Bitmap
                    Bitmap bitmap = BitmapFactory.decodeStream(bufferedInputStream);

                    // Update the ImageView on the UI thread
                    runOnUiThread(new Runnable() {
                        @Override
                        public void run() {
                            if (bitmap != null)
                            {
                                control_screen_computer_screen.setImageBitmap(bitmap);
                                Log.wtf("receive data task", "image changed");
                            }

                            else
                            {
                                Log.wtf("receive data task", "image data null");
                            }

                        }
                    });

                    Thread.sleep(20);
                }

                // Close the connection
                socket.close();
            }

            catch (Exception e)
            {
                Log.wtf("receive data task", "error occur " + e);
            }
            return null;
        }
    }

     
   private Bitmap CaptureScreen()
        {
            // Capture the screen using the GDI API
            Rectangle screenBounds = System.Windows.Forms.Screen.PrimaryScreen.Bounds;
            Bitmap bitmap = new Bitmap(screenBounds.Width, screenBounds.Height, PixelFormat.Format32bppArgb);
            using (Graphics graphics = Graphics.FromImage(bitmap))
            {
                graphics.CopyFromScreen(screenBounds.Left, screenBounds.Top, 0, 0, screenBounds.Size, CopyPixelOperation.SourceCopy);
            }

            return bitmap;
        }

        private byte[] ImageToByteArray(Image image)
        {
            using (MemoryStream ms = new MemoryStream())
            {
                image.Save(ms, ImageFormat.Jpeg);
                return ms.ToArray();
            }
        }

     
   private Bitmap CaptureScreen()
        {
            // Capture the screen using the GDI API
            Rectangle screenBounds = System.Windows.Forms.Screen.PrimaryScreen.Bounds;
            Bitmap bitmap = new Bitmap(screenBounds.Width, screenBounds.Height, PixelFormat.Format32bppArgb);
            using (Graphics graphics = Graphics.FromImage(bitmap))
            {
                graphics.CopyFromScreen(screenBounds.Left, screenBounds.Top, 0, 0, screenBounds.Size, CopyPixelOperation.SourceCopy);
            }

            return bitmap;
        }

        private byte[] ImageToByteArray(Image image)
        {
            using (MemoryStream ms = new MemoryStream())
            {
                image.Save(ms, ImageFormat.Jpeg);
                return ms.ToArray();
            }
        }

keybd_event(VK_MEDIA_PLAY_PAUSE, 0, KEYEVENTF_EXTENTEDKEY, IntPtr.Zero);    // Play/Pause

keybd_event(VK_MEDIA_PLAY_PAUSE, 0, KEYEVENTF_EXTENTEDKEY, IntPtr.Zero);    // Play/Pause

        public const int KEYEVENTF_EXTENTEDKEY = 1;
        public const int KEYEVENTF_KEYUP = 0;
        public const int VK_MEDIA_NEXT_TRACK = 0xB0;
        public const int VK_MEDIA_PLAY_PAUSE = 0xB3;
        public const int VK_MEDIA_PREV_TRACK = 0xB1;

        [DllImport("user32.dll")]
        public static extern void keybd_event(byte virtualKey, byte scanCode, uint flags, IntPtr extraInfo);

        public const int KEYEVENTF_EXTENTEDKEY = 1;
        public const int KEYEVENTF_KEYUP = 0;
        public const int VK_MEDIA_NEXT_TRACK = 0xB0;
        public const int VK_MEDIA_PLAY_PAUSE = 0xB3;
        public const int VK_MEDIA_PREV_TRACK = 0xB1;

        [DllImport("user32.dll")]
        public static extern void keybd_event(byte virtualKey, byte scanCode, uint flags, IntPtr extraInfo);