Example usage for android.bluetooth BluetoothSocket getOutputStream

List of usage examples for android.bluetooth BluetoothSocket getOutputStream

Introduction

In this page you can find the example usage for android.bluetooth BluetoothSocket getOutputStream.

Prototype

public OutputStream getOutputStream() throws IOException 

Source Link

Document

Get the output stream associated with this socket.

Usage

From source file:Main.java

public static void sendData(byte[] bytes, BluetoothSocket socket) throws IOException {
    OutputStream out = socket.getOutputStream();
    out.write(bytes, 0, bytes.length);/*  w w  w. j  a v  a  2s . com*/
    out.flush();
    out.close();
}

From source file:Main.java

/**
 * Sends an object through bluetooth./*w w w. j a v  a  2s. c o  m*/
 */
public static boolean bluetoothWriteObject(Object object, BluetoothSocket socket) {
    try {
        ObjectOutputStream oOS = new ObjectOutputStream(socket.getOutputStream());
        oOS.writeObject(object);
        oOS.flush();
        return true;
    } catch (Exception e) {
        return false;
    }
}

From source file:com.commonsware.android.bluetooth.rxecho.ShoutingEchoService.java

private void operateServer(BluetoothSocket socket) throws IOException {
    disconnect();/*  w  w  w .j  a  v a2s .com*/
    this.socket = socket;
    acceptConnections();

    final PrintWriter out = new PrintWriter(new OutputStreamWriter(socket.getOutputStream()));

    Bytes.from(socket.getInputStream()).subscribeOn(Schedulers.io()).observeOn(Schedulers.computation())
            .subscribe(bytes -> {
                out.print(new String(bytes).toUpperCase());
                out.flush();
            }, throwable -> out.close());
}

From source file:edu.cmu.sei.cloudlet.client.ska.bluetooth.BTMessageHandler.java

public BTMessageHandler(BluetoothSocket socket, Context context) {
    mContext = context;//from w w  w .j  av  a 2s .  c  om

    try {
        mInStream = socket.getInputStream();
        mOutStream = socket.getOutputStream();
    } catch (IOException e) {
        Log.e(TAG, "Error getting stream.", e);
    }

    // TODO: this adds an unnecessary dependency here. Should be moved out somehow.
    mInDataHandler = new PairingHandler();
    mOutDataHandler = (IOutDataHandler) mInDataHandler;
    mFileDataHandler = (IInFileHandler) mInDataHandler;
}

From source file:com.commonsware.android.bluetooth.rxecho.DeviceFragment.java

private void onConnected(BluetoothSocket socket) throws IOException {
    binding.connected.setEnabled(true);/*from  www. ja  va  2  s  . com*/
    binding.entry.setEnabled(true);
    this.socket = socket;
    out = new PrintWriter(new OutputStreamWriter(socket.getOutputStream()));
    responseSub = Bytes.from(socket.getInputStream()).subscribeOn(Schedulers.io())
            .observeOn(AndroidSchedulers.mainThread())
            .subscribe(bytes -> post(new String(bytes)), throwable -> out.close());
}

From source file:com.googlecode.android_scripting.facade.BluetoothFacade.java

public BluetoothConnection(BluetoothSocket mSocket, BluetoothServerSocket mServerSocket) throws IOException {
    this.mSocket = mSocket;
    mOutputStream = mSocket.getOutputStream();
    mInputStream = mSocket.getInputStream();
    mDevice = mSocket.getRemoteDevice();
    mReader = new BufferedReader(new InputStreamReader(mInputStream, "ASCII"));
    this.mServerSocket = mServerSocket;
}

From source file:com.megster.cordova.BluetoothPlugin.java

/**
 * Execute a bluetooth function// w  w  w.  j  a  va  2  s.c  om
 */
@SuppressWarnings({ "null", "deprecation" })
@Override
public PluginResult execute(String action, JSONArray args, String callbackId) {
    PluginResult pluginResult = null;

    //Log.d("BluetoothPlugin", "Action: " + action);

    // Check if bluetooth is supported at all
    if (m_bluetoothAdapter == null) {
        pluginResult = new PluginResult(PluginResult.Status.ILLEGAL_ACCESS_EXCEPTION,
                "No bluetooth adapter found");
    } else {
        if (ACTION_ENABLE.equals(action)) {
            // Check if bluetooth isn't disabled already
            if (!m_bluetoothAdapter.isEnabled()) {
                m_stateChanging = true;
                ctx.startActivityForResult(this, new Intent(BluetoothAdapter.ACTION_REQUEST_ENABLE), 1);
                while (m_stateChanging) {
                }
                ;

            }

            // Check if bluetooth is enabled now
            if (m_bluetoothAdapter.isEnabled()) {
                //start();
                pluginResult = new PluginResult(PluginResult.Status.OK, "OK");
            } else {
                pluginResult = new PluginResult(PluginResult.Status.ERROR, "Bluetooth not enabled");
            }
        }
        // Want to disable bluetooth?
        else if (ACTION_DISABLE.equals(action)) {
            if (!m_bluetoothAdapter.disable() && m_bluetoothAdapter.isEnabled()) {
                pluginResult = new PluginResult(PluginResult.Status.ERROR, "Unable to disable bluetooth");
            } else {
                pluginResult = new PluginResult(PluginResult.Status.OK, "OK");
            }

        } else if (ACTION_DISCOVERDEVICES.equals(action)) {
            m_discoveredDevices = new JSONArray();

            if (!m_bluetoothAdapter.startDiscovery()) {
                pluginResult = new PluginResult(PluginResult.Status.ERROR, "Unable to start discovery");
            } else {
                m_discovering = true;

                // Wait for discovery to finish
                while (m_discovering) {
                }

                Log.d("BluetoothPlugin", "DiscoveredDevices: " + m_discoveredDevices.length());

                pluginResult = new PluginResult(PluginResult.Status.OK, m_discoveredDevices);
            }
        }
        // Want to list UUIDs of a certain device
        else if (ACTION_GETUUIDS.equals(action)) {

            try {
                String address = args.getString(0);
                Log.d("BluetoothPlugin", "Listing UUIDs for: " + address);

                // Fetch UUIDs from bluetooth device
                BluetoothDevice bluetoothDevice = m_bluetoothAdapter.getRemoteDevice(address);
                Method m = bluetoothDevice.getClass().getMethod("fetchUuidsWithSdp");
                Log.d("BluetoothPlugin", "Method: " + m);
                m.invoke(bluetoothDevice);

                m_gettingUuids = true;

                while (m_gettingUuids) {
                }

                pluginResult = new PluginResult(PluginResult.Status.OK, m_gotUUIDs);

            } catch (Exception e) {
                Log.e("BluetoothPlugin", e.toString() + " / " + e.getMessage());

                pluginResult = new PluginResult(PluginResult.Status.JSON_EXCEPTION, e.getMessage());
            }
        } else if (ACTION_GETBONDEDDEVICES.equals(action)) {
            JSONArray bondedDevices = new JSONArray();
            Log.d("BluetoothPlugin", "Getting Bonded List...");
            Set<BluetoothDevice> bondSet = m_bluetoothAdapter.getBondedDevices();
            for (Iterator<BluetoothDevice> it = bondSet.iterator(); it.hasNext();) {
                BluetoothDevice bluetoothDevice = (BluetoothDevice) it.next();
                JSONObject deviceInfo = new JSONObject();
                try {
                    deviceInfo.put("name", bluetoothDevice.getName());
                    deviceInfo.put("address", bluetoothDevice.getAddress());
                    deviceInfo.put("isBonded", true);
                } catch (JSONException e) {
                    // TODO Auto-generated catch block
                    e.printStackTrace();
                }

                bondedDevices.put(deviceInfo);
                pluginResult = new PluginResult(PluginResult.Status.OK, bondedDevices);
            }
        }
        // Connect to a given device & uuid endpoint
        else if (ACTION_CONNECT.equals(action)) {
            try {
                String address = args.getString(0);
                UUID uuid = UUID.fromString(args.getString(1));
                //UUID uuid = UUID.fromString("00001101-0000-1000-8000-00805f9b34fb");

                Log.d("BluetoothPlugin", "Connecting...");

                BluetoothDevice bluetoothDevice = m_bluetoothAdapter.getRemoteDevice(address);
                BluetoothSocket bluetoothSocket = bluetoothDevice.createRfcommSocketToServiceRecord(uuid);

                bluetoothSocket.connect();

                m_bluetoothSockets.add(bluetoothSocket);
                int socketId = m_bluetoothSockets.indexOf(bluetoothSocket);

                pluginResult = new PluginResult(PluginResult.Status.OK, socketId);
            } catch (Exception e) {
                Log.e("BluetoothPlugin", e.toString() + " / " + e.getMessage());

                pluginResult = new PluginResult(PluginResult.Status.JSON_EXCEPTION, e.getMessage());
            }
        } else if (ACTION_READ.equals(action)) {
            try {
                int socketId = args.getInt(0);

                //Log.d( "BluetoothPlugin", "Get Data..." );

                BluetoothSocket bluetoothSocket = m_bluetoothSockets.get(socketId);
                InputStream inputStream = bluetoothSocket.getInputStream();
                Calendar cal = Calendar.getInstance();

                Date startTime = cal.getTime();
                byte[] buffer = new byte[1024];
                //               char [] buffer = new char[1024];
                String recvdString = "";
                int i = 0;
                int k = 0;
                int byteCnt = 0;
                boolean j = true;
                char buf = 0;
                boolean timeOut = false;
                while (j) {
                    Calendar newCal = Calendar.getInstance();
                    Date endTime = newCal.getTime();

                    if ((endTime.getTime() - startTime.getTime()) < 60000) {

                        if (inputStream.available() > 0) {
                            //   Log.d( "BluetoothPlugin", "Time Increment: " + format.format(endTime));

                            i += inputStream.read(buffer, k, inputStream.available());
                            k = i;
                            Log.d("BluetoothPlugin", "i=" + i);
                            buf = (char) (buffer[i - 1] & 0xFF);
                            Log.d("BluetoothPlugin", "buf=" + Integer.toHexString(buffer[i - 1] & 0xFF));
                            if ((buf == '#') || (buf == 0x0A) || (buf == (char) 0xBB) || (buf == (char) 0xAA)) {
                                //if (timeOut == true) Log.d( "BluetoothPlugin", "Time Out");
                                j = false;
                            }
                        }

                    } else {
                        timeOut = true;
                        j = false;
                    }
                    /*
                                       buffer[i]=  (char) inputStream.read();
                            
                                         if ((buffer[i] == '#') || (buffer[i]==0x0A))
                                         {
                                            j=false;
                                         }
                                            i++;
                    */
                }
                if (timeOut) {
                    Log.d("BluetoothPlugin", "Time Out");
                    recvdString = "Timeout";
                } else {
                    byteCnt = i;

                    recvdString = new String(buffer, 0, i);//.toString();//"KBytes" + byteCnt;
                    i = 0;
                    String stringByteCnt = String.valueOf(byteCnt);

                }

                //buffer = b.toString();
                Log.d("BluetoothPlugin", "String: " + recvdString);
                pluginResult = new PluginResult(PluginResult.Status.OK, recvdString);
            } catch (Exception e) {
                Log.e("BluetoothPlugin", e.toString() + " / " + e.getMessage());

                pluginResult = new PluginResult(PluginResult.Status.JSON_EXCEPTION, e.getMessage());
            }
        } else if (ACTION_READ2.equals(action)) {
            try {

                int socketId = args.getInt(0);
                Calendar cal = Calendar.getInstance();

                Date startTime = cal.getTime();

                //Log.d( "BluetoothPlugin", "Get Data..." );

                BluetoothSocket bluetoothSocket = m_bluetoothSockets.get(socketId);
                InputStream inputStream = bluetoothSocket.getInputStream();
                //               DataInputStream dataInputStream = new DataInputStream(inputStream);

                //char[] buffer = new char[15000];
                byte[] buf = new byte[55000];
                //byte[] buffer2 = new byte[128];
                String recvdString = "";
                int i = 0;
                int k = 0;
                int byteCnt = 0;
                boolean j = true;
                SimpleDateFormat format = new SimpleDateFormat("yyyy/MM/dd HH:mm:ss");
                Log.d("BluetoothPlugin", "StartTime: " + format.format(startTime));
                boolean timeOut = false;
                while (j) {
                    Calendar newCal = Calendar.getInstance();
                    Date endTime = newCal.getTime();

                    if ((endTime.getTime() - startTime.getTime()) < 12000) {

                        if (inputStream.available() > 0) {
                            //   Log.d( "BluetoothPlugin", "Time Increment: " + format.format(endTime));
                            i += inputStream.read(buf, k, inputStream.available());
                            k = i;
                            Log.d("BluetoothPlugin", "i=" + i);
                        }
                        //Log.d( "BluetoothPlugin", "i="+dataInputStream);
                        //inputStream.close();
                        if (i > 51180) {
                            //Log.d( "BluetoothPlugin", "i="+i);
                            j = false;
                            //i++;
                        }
                    } else {
                        j = false;
                        timeOut = true;
                        Log.d("BluetoothPlugin", "ECG Read TimeOut");
                    }

                }
                if (timeOut) {
                    recvdString = "Aborted";
                } else {
                    File ecgPath = Environment.getExternalStorageDirectory();
                    File ecg = new File(ecgPath, "/prago/ecg.txt");
                    FileWriter fos = new FileWriter(ecg, false);

                    String stringBuf = new String("");
                    //long byteCnt
                    byteCnt = (i - 1) / 3;
                    long[] buf2 = new long[byteCnt];

                    for (k = 0; k < byteCnt; k++) {

                        int firstByte = 0;
                        int secondByte = 0;
                        int thirdByte = 0;
                        int fourthByte = 0;
                        int index = k * 3;
                        firstByte = (0x000000FF & ((int) buf[index + 1]));
                        secondByte = (0x000000FF & ((int) buf[index + 2]));
                        thirdByte = (0x000000FF & ((int) buf[index + 3]));
                        buf2[k] = ((long) (firstByte << 16 | secondByte << 8 | thirdByte)) & 0xFFFFFFFFL;

                        stringBuf = buf2[k] + ",";
                        fos.write(stringBuf);
                    }

                    fos.flush();
                    fos.close();
                    byteCnt = i;

                    recvdString = ecg.getPath();
                }
                i = 0;

                pluginResult = new PluginResult(PluginResult.Status.OK, recvdString);
            } catch (Exception e) {
                Log.e("BluetoothPlugin", e.toString() + " / " + e.getMessage());

                pluginResult = new PluginResult(PluginResult.Status.JSON_EXCEPTION, e.getMessage());
            }
        }

        else if (ACTION_READ3.equals(action)) {
            try {
                int socketId = args.getInt(0);

                Log.d("BluetoothPlugin", "Get Steth Data...");

                BluetoothSocket bluetoothSocket = m_bluetoothSockets.get(socketId);
                //bluetoothSocket.close();
                //bluetoothSocket = m_bluetoothSockets.get(socketId);
                //bluetoothSocket.connect();
                InputStream inputStream = bluetoothSocket.getInputStream();
                //inputStream.reset();
                //int server_port = 9999;
                //DatagramSocket s = new DatagramSocket();
                //InetAddress local = InetAddress.getByName("192.168.2.7");
                //s.connect(local,server_port);
                //int msg_length=messageStr.length();
                //byte[] message = messageStr.getBytes();

                //char[] buffer = new char[15000];
                //byte [] buf = new byte[10000];
                //byte[] buffer2 = new byte[128];
                //               String recvdString;
                Calendar cal = Calendar.getInstance();
                //byte [] buf = new byte[245000];
                Date startTime = cal.getTime();
                String recvdString = "";
                int i = 0;
                int endofFileDetect = 0;
                byte[] firstChar = new byte[1];
                int writetoFile = 0;
                int k = 0;
                long finalbytes = 0;
                boolean startdetect = false;
                int byteCnt = 0;
                boolean j = true;
                boolean ecgRec = false;
                byte[] buf = new byte[10000];
                firstChar[0] = 0x52;
                File stethPath = Environment.getExternalStorageDirectory();
                File steth = new File(stethPath, "/prago/steth.wav");
                FileOutputStream fos = new FileOutputStream(steth);
                while (j) {
                    Calendar newCal = Calendar.getInstance();
                    Date endTime = newCal.getTime();
                    if ((endTime.getTime() - startTime.getTime()) < 90000) {
                        if (inputStream.available() > 0) {
                            //Log.d( "BluetoothPlugin", "inputStream.available="+inputStream.available());
                            //byte [] buf = new byte[inputStream.available()];
                            k = inputStream.read(buf, 0, inputStream.available());
                            //Log.d( "BluetoothPlugin", "buf[0]="+buf[0]);
                            if ((writetoFile == 0)) {
                                if ((buf[0] & 0xFF) == 0x52) {
                                    if (k > 1) {
                                        if ((buf[1] & 0xFF) == 0x49) {
                                            writetoFile = 1;
                                            i = 0;
                                        }

                                    } else {
                                        startdetect = true;
                                    }

                                } else if (((buf[0] & 0xFF) == 0x49) && startdetect == true) {
                                    fos.write(firstChar, 0, 1);
                                    writetoFile = 1;
                                    i = 0;
                                } else {
                                    startdetect = false;
                                }
                            }
                            if (writetoFile == 1) {

                                i += k;
                                //Log.d( "BluetoothPlugin", "i="+i);
                                //Log.d( "BluetoothPlugin", "k="+k);
                                fos.write(buf, 0, k);
                                //if (k>1)Log.d( "BluetoothPlugin", "buf[k-2]="+Integer.toHexString(buf[k-2]&0xFF));
                                //Log.d( "BluetoothPlugin", "buf[k-1]="+Integer.toHexString(buf[k-1]&0xFF));
                                if ((k > 1) && ((buf[k - 2] & 0xFF) == 0xAA) && ((buf[k - 1] & 0xFF) == 0xBB)) {
                                    endofFileDetect = 2;
                                    //   Log.d( "BluetoothPlugin", "EoF Detected Multibyte");

                                } else if ((k == 1) && ((buf[0] & 0xFF) == 0xAA)) {
                                    endofFileDetect = 1;
                                    //   Log.d( "BluetoothPlugin", "EoF Detected Firstbyte");
                                } else if (((buf[0] & 0xFF) == 0xBB) && (endofFileDetect == 1)) {
                                    endofFileDetect += 1;
                                    //      Log.d( "BluetoothPlugin", "EoF Detected Sectbyte");
                                } else {
                                    endofFileDetect = 0;
                                }

                                if (endofFileDetect == 2) {
                                    Log.d("BluetoothPlugin", "File Write Complete");
                                    //Log.d( "BluetoothPlugin", "i="+i);
                                    fos.flush();
                                    fos.close();
                                    j = false;
                                    //i++;
                                    recvdString = steth.getPath();

                                }

                            }
                            //   DatagramPacket p = new DatagramPacket(buf, k,local,server_port);
                            //   s.send(p);//               DataInputStream dataInputStream = new DataInputStream(inputStream);
                        }
                        //Log.d( "BluetoothPlugin", "i="+dataInputStream);
                        //inputStream.close();

                    } else {
                        j = false;
                        //timeOut=true;
                        Log.d("BluetoothPlugin", "Steth Read TimeOut");
                        //bluetoothSocket.close();
                        // recvdString= "Aborted";
                        fos.flush();
                        fos.close();
                        recvdString = steth.getPath();
                    }

                }
                pluginResult = new PluginResult(PluginResult.Status.OK, recvdString);
            } catch (Exception e) {

                Log.e("BluetoothPlugin", e.toString() + " / " + e.getMessage());

                pluginResult = new PluginResult(PluginResult.Status.JSON_EXCEPTION, e.getMessage());
            }
        }

        //--change--//

        else if (ACTION_READ5.equals(action)) {
            try {
                int socketId = args.getInt(0);

                Log.d("BluetoothPlugin", "Transfer Steth Data...");

                BluetoothSocket bluetoothSocket = m_bluetoothSockets.get(socketId);
                //bluetoothSocket.close();
                //bluetoothSocket = m_bluetoothSockets.get(socketId);
                //bluetoothSocket.connect();
                InputStream inputStream = bluetoothSocket.getInputStream();
                //inputStream.reset();
                //int server_port = 9999;
                //DatagramSocket s = new DatagramSocket();
                //InetAddress local = InetAddress.getByName("192.168.2.7");
                //s.connect(local,server_port);
                //int msg_length=messageStr.length();
                //byte[] message = messageStr.getBytes();

                //char[] buffer = new char[15000];
                //byte [] buf = new byte[10000];
                //byte[] buffer2 = new byte[128];
                //String recvdString;
                Calendar cal = Calendar.getInstance();
                //byte [] buf = new byte[245000];
                Date startTime = cal.getTime();
                String recvdString = "";
                int i = 0;
                int endofFileDetect = 0;
                byte[] firstChar = new byte[1];
                int writetoFile = 0;
                int k = 0;
                long finalbytes = 0;
                boolean startdetect = false;
                int byteCnt = 0;
                boolean j = true;
                boolean ecgRec = false;
                byte[] buf = new byte[10000];
                firstChar[0] = 0x52;
                File stethPath = Environment.getExternalStorageDirectory();
                File steth = new File(stethPath, "/prago/steth.wav");
                FileOutputStream fos = new FileOutputStream(steth);
                while (j) {
                    Calendar newCal = Calendar.getInstance();
                    Date endTime = newCal.getTime();
                    if ((endTime.getTime() - startTime.getTime()) < 5000) {
                        if (inputStream.available() > 0) {
                            //                        Log.d( "BluetoothPlugin", "inputStream.available="+inputStream.available());
                            cal = Calendar.getInstance();
                            startTime = cal.getTime();
                            //byte [] buf = new byte[inputStream.available()];
                            k = inputStream.read(buf, 0, inputStream.available());
                            //Log.d( "BluetoothPlugin", "buf[0]="+buf[0]);
                            if ((writetoFile == 0)) {
                                if ((buf[0] & 0xFF) == 0x52) {
                                    if (k > 1) {
                                        if ((buf[1] & 0xFF) == 0x49) {
                                            writetoFile = 1;
                                            i = 0;
                                        }

                                    } else {
                                        startdetect = true;
                                    }

                                } else if (((buf[0] & 0xFF) == 0x49) && startdetect == true) {
                                    fos.write(firstChar, 0, 1);
                                    writetoFile = 1;
                                    i = 0;
                                } else {
                                    startdetect = false;
                                }
                            }
                            if (writetoFile == 1) {

                                i += k;
                                //Log.d( "BluetoothPlugin", "i="+i);
                                //Log.d( "BluetoothPlugin", "k="+k);
                                fos.write(buf, 0, k);
                                //if (k>1)Log.d( "BluetoothPlugin", "buf[k-2]="+Integer.toHexString(buf[k-2]&0xFF));
                                //Log.d( "BluetoothPlugin", "buf[k-1]="+Integer.toHexString(buf[k-1]&0xFF));
                                if ((k > 1) && ((buf[k - 2] & 0xFF) == 0xAA) && ((buf[k - 1] & 0xFF) == 0xBB)) {
                                    endofFileDetect = 2;
                                    //   Log.d( "BluetoothPlugin", "EoF Detected Multibyte");

                                } else if ((k == 1) && ((buf[0] & 0xFF) == 0xAA)) {
                                    endofFileDetect = 1;
                                    //   Log.d( "BluetoothPlugin", "EoF Detected Firstbyte");
                                } else if (((buf[0] & 0xFF) == 0xBB) && (endofFileDetect == 1)) {
                                    endofFileDetect += 1;
                                    //      Log.d( "BluetoothPlugin", "EoF Detected Sectbyte");
                                } else {
                                    endofFileDetect = 0;
                                }

                                if (endofFileDetect == 2) {
                                    Log.d("BluetoothPlugin", "File Write Complete");
                                    //Log.d( "BluetoothPlugin", "i="+i);
                                    fos.flush();
                                    fos.close();
                                    j = false;
                                    //i++;
                                    recvdString = steth.getPath();

                                }

                            }
                            //   DatagramPacket p = new DatagramPacket(buf, k,local,server_port);
                            //   s.send(p);//               DataInputStream dataInputStream = new DataInputStream(inputStream);
                        }
                        //Log.d( "BluetoothPlugin", "i="+dataInputStream);
                        //inputStream.close();

                    } else {
                        j = false;
                        //timeOut=true;
                        Log.d("BluetoothPlugin", "Steth Read TimeOut");
                        //bluetoothSocket.close();
                        // recvdString= "Aborted";
                        fos.flush();
                        fos.close();
                        recvdString = steth.getPath();
                    }

                }
                pluginResult = new PluginResult(PluginResult.Status.OK, recvdString);
            } catch (Exception e) {

                Log.e("BluetoothPlugin", e.toString() + " / " + e.getMessage());

                pluginResult = new PluginResult(PluginResult.Status.JSON_EXCEPTION, e.getMessage());
            }
        }

        //--change--//

        else if (ACTION_READ4.equals(action)) {
            try {
                start();

                //         int socketId = args.getInt(0);
                Log.d("BluetoothPlugin", "Make Discoverable");
                BluetoothAdapter mBluetoothAdapter = null;
                ctx.startActivityForResult(this, new Intent(BluetoothAdapter.ACTION_REQUEST_DISCOVERABLE), 1);
                m_discoverable = true;
                Calendar cal = Calendar.getInstance();

                Date startTime = cal.getTime();
                Calendar newCal = Calendar.getInstance();
                String recvdString = "";
                Date endTime = newCal.getTime();
                while (m_discoverable && ((endTime.getTime() - startTime.getTime()) < 32000)) {
                    newCal = Calendar.getInstance();
                    endTime = newCal.getTime();
                }
                if (m_discoverable) {
                    recvdString = "No Device";
                } else {
                    Log.d("BluetoothPlugin", "Connected with Remote Device");

                    BluetoothSocket bluetoothSocket = bluetoothListenSocket;
                    InputStream inputStream = bluetoothSocket.getInputStream();

                    int i = 0;
                    int k = 0;
                    boolean j = true;
                    boolean measurementComplete = false;
                    //               boolean measurementOngoing = false;
                    boolean measurementStart = false;
                    float decweight = 0;
                    int[] buf = new int[100];
                    while (!measurementComplete) {
                        buf[i] = inputStream.read();

                        if ((i > 5) && (buf[i] == 0x02) && (buf[i - 6] == 0x93) && (buf[i - 1] == 0x00)
                                && !measurementStart) {
                            measurementStart = true;
                        }
                        if (measurementStart && (buf[i - 1] == 0x04) && (buf[i - 7] == 0x93)
                                && (buf[i - 2] == 0x0)) {
                            measurementComplete = true;
                            measurementStart = false;
                            //                           measurementOngoing = false;
                            decweight = (buf[i - 10] << 8) + buf[i - 9];
                        }
                        i++;

                        Log.d("BluetoothPlugin", "i=" + i);
                    }

                    //   String recvdString= new String(buf,0,i,"ISO-8859-1");;//new String(buf,0,i,"ISO-8859-1");//.toString();//"KBytes" + byteCnt;
                    float weight = decweight / 100;
                    //weight += decweight/100;
                    recvdString = "" + weight;
                    bluetoothSocket.close();
                    Log.d("BluetoothPlugin", "Disconnected with Remote Device");
                }
                pluginResult = new PluginResult(PluginResult.Status.OK, recvdString);

            } catch (Exception e) {
                Log.e("BluetoothPlugin", e.toString() + " / " + e.getMessage());

                pluginResult = new PluginResult(PluginResult.Status.JSON_EXCEPTION, e.getMessage());
            }
        } else if (ACTION_WRITE.equals(action)) {
            try {

                int socketId = args.getInt(0);
                byte[] value = { 0x11, 0x0d, 0x44, 0x4d, 0x50 };
                //               byte[] value =    {(byte)0x11,(byte)0x0D, (byte)0x0A, (byte)0x44, (byte)0x4D, (byte)0x46};

                String string = new String(value);
                char sendCmd = 'g';
                byte sendCmdByte = (byte) sendCmd;//.getBytes("UTF-16LE");
                byte[] data = args.getString(1).getBytes("UTF-8");

                if (data[0] == sendCmdByte) {
                    data = value;
                    Log.d("BluetoothPlugin", "Sending Onetouch Ultra2 Commands...");
                } else if (data[0] == 'e') {
                    data = args.getString(1).getBytes("UTF-8");
                    //Log.d( "BluetoothPlugin", "Sending +tronic Commands..." + args.getString(1));
                } else {
                    data = args.getString(1).getBytes("UTF-16LE");
                    //Log.d( "BluetoothPlugin", "Sending +tronic Commands..." + args.getString(1));
                }
                //Log.d( "BluetoothPlugin", "Write Data..." + string );

                BluetoothSocket bluetoothSocket = m_bluetoothSockets.get(socketId);
                OutputStream outputStream = bluetoothSocket.getOutputStream();

                outputStream.write(data);
                outputStream.flush();
                //outputStream.close();
                //Log.d( "BluetoothPlugin", "Buffer: " + String.valueOf(buffer) );
                pluginResult = new PluginResult(PluginResult.Status.OK, "Success");
            } catch (Exception e) {
                Log.e("BluetoothPlugin", e.toString() + " / " + e.getMessage());

                pluginResult = new PluginResult(PluginResult.Status.JSON_EXCEPTION, e.getMessage());
            }
        } else if (ACTION_DISCONNECT.equals(action)) {
            try {
                int socketId = args.getInt(0);

                // Fetch socket & close it
                BluetoothSocket bluetoothSocket = m_bluetoothSockets.get(socketId);
                bluetoothSocket.close();

                // Remove socket from internal list
                m_bluetoothSockets.remove(socketId);

                // Everything went fine...
                pluginResult = new PluginResult(PluginResult.Status.OK, "OK");
            } catch (Exception e) {
                Log.e("BluetoothPlugin", e.toString() + " / " + e.getMessage());

                pluginResult = new PluginResult(PluginResult.Status.JSON_EXCEPTION, e.getMessage());
            }
        } else {
            pluginResult = new PluginResult(PluginResult.Status.INVALID_ACTION,
                    "Action '" + action + "' not supported");
        }
    }

    return pluginResult;
}