Example usage for android.bluetooth BluetoothSocket connect

List of usage examples for android.bluetooth BluetoothSocket connect

Introduction

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

Prototype

public void connect() throws IOException 

Source Link

Document

Attempt to connect to a remote device.

Usage

From source file:Main.java

public static BluetoothSocket getSocket(BluetoothDevice device) throws IOException {
    BluetoothSocket socket = device.createRfcommSocketToServiceRecord(PRINTER_UUID);
    socket.connect();
    return socket;
}

From source file:mobi.monaca.framework.plugin.BluetoothPlugin.java

/**
 * Execute a bluetooth function//  w  w w.j ava2  s.c o m
 */
@Override
public PluginResult execute(String action, JSONArray args, String callbackId) {
    PluginResult pluginResult = null;

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

    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()) {
            pluginResult = new PluginResult(PluginResult.Status.OK);
        } else {
            pluginResult = new PluginResult(PluginResult.Status.ERROR);
        }
    }
    // Want to disable bluetooth?
    else if (ACTION_DISABLE.equals(action)) {
        if (!m_bluetoothAdapter.disable() && m_bluetoothAdapter.isEnabled()) {
            pluginResult = new PluginResult(PluginResult.Status.ERROR);
        } else {
            pluginResult = new PluginResult(PluginResult.Status.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());
        }
    }
    // 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));

            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);

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

            char[] buffer = new char[128];
            for (int i = 0; i < buffer.length; i++) {
                buffer[i] = (char) inputStream.read();
            }

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

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

    return pluginResult;
}

From source file:com.authorwjf.bounce.BluetoothChat.java

private void setupChat() {
    // Initialize the array adapter for the conversation thread
    mConversationArrayAdapter = new ArrayAdapter<String>(this, R.layout.message);

    // Initialize the BluetoothChatService to perform bluetooth connections
    mChatService = new BluetoothChatService(this, mHandler);

    // Initialize the buffer for outgoing messages
    mOutStringBuffer = new StringBuffer("");

    BluetoothAdapter myAdapter = BluetoothAdapter.getDefaultAdapter();

    BluetoothDevice remoteDevice = myAdapter.getRemoteDevice(Main.macAddress);

    try {//from w  w  w. j  a va  2  s  . c  o  m
        BluetoothSocket btSocket = remoteDevice
                .createRfcommSocketToServiceRecord(BluetoothChatService.MY_UUID_INSECURE);
        btSocket.connect();
    } catch (IOException exc) {
        System.out.println("Error connecting");
        stopSelf();
    }
    new AutomaticQueryThread(mSendButton, this).start();
}

From source file:org.apache.cordova.plugin.BluetoothPlugin.java

/**
 * helper function//from  w ww.java  2  s .co m
 * @param device
 * @param uuid
 * @return
 * @throws IOException
 */
private BluetoothSocket connectSecureHelper(BluetoothDevice device, UUID uuid) throws IOException {
    BluetoothSocket bluetoothSocket = device.createRfcommSocketToServiceRecord(uuid);
    bluetoothSocket.connect();
    return bluetoothSocket;
}

From source file:org.apache.cordova.plugin.BluetoothPlugin.java

/**
 * helper function//from w w w. ja  va  2 s . c  om
 * @param device
 * @param uuid
 * @return
 * @throws IOException
 */
@TargetApi(10)
private BluetoothSocket connectInsecureHelper(BluetoothDevice device, UUID uuid) throws IOException {
    if (Build.VERSION.SDK_INT < Build.VERSION_CODES.GINGERBREAD_MR1) {
        String msg = "Not supported, minimum SDK version is :" + Build.VERSION_CODES.GINGERBREAD_MR1;
        logErr(msg);
        return null;
    }
    BluetoothSocket bluetoothSocket = device.createInsecureRfcommSocketToServiceRecord(uuid);
    bluetoothSocket.connect();
    return bluetoothSocket;
}

From source file:com.duy.pascal.interperter.libraries.android.connection.bluetooth.AndroidBluetoothLib.java

@SuppressWarnings("unused")
@PascalMethod(description = "Connect to a device over Bluetooth. Blocks until the connection is established or fails.", returns = "True if the connection was established successfully.")
public String bluetoothConnect(
        @PascalParameter(name = "uuid", description = "The UUID passed here must match the UUID used by the server device.") @RpcDefault(DEFAULT_UUID) String uuid,
        @PascalParameter(name = "address", description = "The user will be presented with a list of discovered devices to choose from if an address is not provided.") @RpcOptional String address)
        throws IOException {
    if (address == null) {
        Intent deviceChooserIntent = new Intent();
        deviceChooserIntent.setComponent(Constants.BLUETOOTH_DEVICE_LIST_COMPONENT_NAME);
        Intent result = mAndroidFacade.startActivityForResult(deviceChooserIntent);
        if (result != null && result.hasExtra(Constants.EXTRA_DEVICE_ADDRESS)) {
            address = result.getStringExtra(Constants.EXTRA_DEVICE_ADDRESS);
        } else {/*from  w w w. ja  v  a 2 s.  c  o m*/
            return null;
        }
    }
    BluetoothDevice mDevice;
    BluetoothSocket mSocket;
    BluetoothConnection conn;
    mDevice = mBluetoothAdapter.getRemoteDevice(address);
    mSocket = mDevice.createRfcommSocketToServiceRecord(UUID.fromString(uuid));
    // Always cancel discovery because it will slow down a connection.
    mBluetoothAdapter.cancelDiscovery();
    mSocket.connect();
    conn = new BluetoothConnection(mSocket);
    return addConnection(conn);
}

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

@Rpc(description = "Connect to a device over Bluetooth. Blocks until the connection is established or fails.", returns = "True if the connection was established successfully.")
public String bluetoothConnect(
        @RpcParameter(name = "uuid", description = "The UUID passed here must match the UUID used by the server device.") @RpcDefault(DEFAULT_UUID) String uuid,
        @RpcParameter(name = "address", description = "The user will be presented with a list of discovered devices to choose from if an address is not provided.") @RpcOptional String address)
        throws IOException {
    if (address == null) {
        Intent deviceChooserIntent = new Intent();
        deviceChooserIntent.setComponent(Constants.BLUETOOTH_DEVICE_LIST_COMPONENT_NAME);
        Intent result = mAndroidFacade.startActivityForResult(deviceChooserIntent);
        if (result != null && result.hasExtra(Constants.EXTRA_DEVICE_ADDRESS)) {
            address = result.getStringExtra(Constants.EXTRA_DEVICE_ADDRESS);
        } else {/*from w  w  w.j  a va2  s. c om*/
            return null;
        }
    }
    BluetoothDevice mDevice;
    BluetoothSocket mSocket;
    BluetoothConnection conn;
    mDevice = mBluetoothAdapter.getRemoteDevice(address);
    mSocket = mDevice.createRfcommSocketToServiceRecord(UUID.fromString(uuid));
    // Always cancel discovery because it will slow down a connection.
    mBluetoothAdapter.cancelDiscovery();
    mSocket.connect();
    conn = new BluetoothConnection(mSocket);
    return addConnection(conn);
}

From source file:com.android.server.MigratorService.java

private void connect(BluetoothDevice device) {
    BluetoothSocket clientSocket;

    try {/*from  ww w  .j a v  a  2 s  . c  o m*/
        clientSocket = device.createRfcommSocketToServiceRecord(MIGRATE_UID);
    } catch (IOException e) {
        return;
    }

    if (clientSocket != null) {
        if (mAdapter.isDiscovering()) {
            mAdapter.cancelDiscovery();
        }
        try {
            clientSocket.connect();
            if (debug)
                Log.w(TAG, "connect");
        } catch (IOException e) {
            try {
                clientSocket.close();
            } catch (IOException e1) {
                return;
            }
        }
        long base = System.nanoTime();
        write(clientSocket);
    } else {
        if (debug)
            Log.w(TAG, "socket is null");
    }
}

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

/**
 * Execute a bluetooth function/*from w w w. j  a  va 2  s  .c o  m*/
 */
@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;
}

From source file:org.apache.cordova.plugin.BluetoothPlugin2.java

@Override
public boolean execute(String action, JSONArray args, final CallbackContext callbackContext)
        throws JSONException {

    logDbg("Action: " + action);

    if (ACTION_IS_SUPPORTED.equals(action)) {
        callbackContext.sendPluginResult(new PluginResult(PluginResult.Status.OK, m_bluetoothAdapter != null));
        return true;
    } else if (m_bluetoothAdapter == null) {
        String msg = "Bluetooth is not supported !";
        callbackContext.sendPluginResult(new PluginResult(PluginResult.Status.ERROR, msg));
        logErr(msg);//ww  w  .  j a v a 2 s.  c  om
        return true;
    } else if (ACTION_ENABLE.equals(action)) {
        this.callback_enable = callbackContext;
        PluginResult pluginResult = new PluginResult(PluginResult.Status.NO_RESULT);
        pluginResult.setKeepCallback(true);
        if (!m_bluetoothAdapter.isEnabled()) {
            this.cordova.startActivityForResult(this, new Intent(BluetoothAdapter.ACTION_REQUEST_ENABLE),
                    this.REQUEST_CODE_ENABLE);
        }
        callbackContext.sendPluginResult(pluginResult);
        return true;
    } else if (ACTION_DISABLE.equals(action)) {
        PluginResult pluginResult;
        if (!m_bluetoothAdapter.disable()
                && !(m_bluetoothAdapter.getState() == BluetoothAdapter.STATE_TURNING_OFF
                        || m_bluetoothAdapter.getState() == BluetoothAdapter.STATE_OFF)) {
            pluginResult = new PluginResult(PluginResult.Status.ERROR);
        } else {
            pluginResult = new PluginResult(PluginResult.Status.OK);
        }
        callbackContext.sendPluginResult(pluginResult);
        return true;
    } else if (ACTION_IS_ENABLED.equals(action)) {
        boolean b = m_bluetoothAdapter.isEnabled();
        callbackContext.sendPluginResult(new PluginResult(PluginResult.Status.OK, b));
        return true;
    } else if (ACTION_GETADDRESS.equals(action)) {
        String address = m_bluetoothAdapter.getAddress();
        callbackContext.sendPluginResult(new PluginResult(PluginResult.Status.OK, address));
        return true;
    } else if (ACTION_GETNAME.equals(action)) {
        String name = m_bluetoothAdapter.getName();
        callbackContext.sendPluginResult(new PluginResult(PluginResult.Status.OK, name));
        return true;
    } else if (ACTION_REQUEST_DISCOVERABLE.equals(action)) {
        final int duration = args.getInt(0);
        this.callback_discoverable = callbackContext;
        Intent intent = new Intent(BluetoothAdapter.ACTION_REQUEST_DISCOVERABLE);
        intent.putExtra(BluetoothAdapter.EXTRA_DISCOVERABLE_DURATION, duration);
        this.cordova.startActivityForResult(this, intent, this.REQUEST_CODE_DISCOVERABLE);
        PluginResult pluginResult = new PluginResult(PluginResult.Status.NO_RESULT);
        pluginResult.setKeepCallback(true);
        callbackContext.sendPluginResult(pluginResult);
        return true;
    } else if (ACTION_STARTDISCOVERY.equals(action)) {
        this.callback_discovery = callbackContext;
        m_discoveredDevices = new JSONArray();
        // be sure there are no ongoing discovery
        m_bluetoothAdapter.cancelDiscovery();
        if (!m_bluetoothAdapter.startDiscovery()) {
            String msg = "Unable to start discovery";
            logErr(msg);
            callbackContext.sendPluginResult(new PluginResult(PluginResult.Status.ERROR, msg));
        } else {
            PluginResult pluginResult = new PluginResult(PluginResult.Status.NO_RESULT);
            pluginResult.setKeepCallback(true);
            callbackContext.sendPluginResult(pluginResult);
        }
        return true;
    } else if (ACTION_CANCELDISCOVERY.equals(action)) {
        if (m_bluetoothAdapter.cancelDiscovery())
            callbackContext.success();
        else
            callbackContext.sendPluginResult(new PluginResult(PluginResult.Status.ERROR));
        return true;
    } else if (ACTION_GETBONDEDDEVICES.equals(action)) {
        JSONArray bondedDevices = new JSONArray();
        Set<BluetoothDevice> bondSet = m_bluetoothAdapter.getBondedDevices();
        for (Iterator<BluetoothDevice> it = bondSet.iterator(); it.hasNext();) {
            BluetoothDevice bluetoothDevice = (BluetoothDevice) it.next();
            JSONObject deviceInfo = new JSONObject();
            deviceInfo.put("name", bluetoothDevice.getName());
            deviceInfo.put("address", bluetoothDevice.getAddress());
            deviceInfo.put("isBonded", true);
            bondedDevices.put(deviceInfo);
        }
        callbackContext.success(bondedDevices);
        return true;
    } else if (ACTION_FETCHUUIDS.equals(action)) {
        final String address = args.getString(0);
        this.callback_uuids = callbackContext;

        if (Build.VERSION.SDK_INT < Build.VERSION_CODES.ICE_CREAM_SANDWICH_MR1) {
            String msg = "Not supported, minimum SDK version is :" + Build.VERSION_CODES.ICE_CREAM_SANDWICH_MR1;
            logErr(msg);
            callbackContext.error(msg);
            return true;
        }
        try {
            logDbg("Listing UUIDs for : " + address);
            // Fetch UUIDs from bluetooth device
            BluetoothDevice bluetoothDevice = m_bluetoothAdapter.getRemoteDevice(address);
            // min api 15 !!!
            Method m = bluetoothDevice.getClass().getMethod("fetchUuidsWithSdp", (Class[]) null);
            m.invoke(bluetoothDevice, (Object[]) null);
            PluginResult pluginResult = new PluginResult(PluginResult.Status.NO_RESULT);
            pluginResult.setKeepCallback(true);
            callbackContext.sendPluginResult(pluginResult);
        } catch (Exception e) {
            logErr(e.toString() + " / " + e.getMessage());
            callbackContext.error(e.getMessage());
        }
        return true;
    } else if (ACTION_CONNECT.equals(action)) {
        final String address = args.getString(0);
        final String uuid = args.getString(1);
        final boolean secure = args.getBoolean(2);
        this.callback_connect = callbackContext;
        cordova.getThreadPool().execute(new Runnable() {
            public void run() {
                BluetoothSocket socket = null;
                try {
                    logDbg("Connecting...");
                    // Cancel discovery because it will slow down the connection
                    if (m_bluetoothAdapter.isDiscovering())
                        m_bluetoothAdapter.cancelDiscovery();

                    //JWC adding
                    /*
                            
                    BluetoothDevice device = BluetoothAdapter.getDefaultAdapter().getRemoteDevice(address); //"74:45:8A:B2:4E:9A"); 
                    //Method m = device.getClass().getMethod("createInsecureRfcommSocket", 
                    //      new Class[] { int.class }); 
                    //socket = (BluetoothSocket)m.invoke(device, Integer.valueOf(1)); 
                    socket = device.createRfcommSocketToServiceRecord(java.util.UUID.fromString(uuid));
                    */
                    //////

                    System.out.println("BluetoothPlugin2.ACTION_CONNECT  address=" + address + ", uuid=" + uuid
                            + ", secure=" + secure);
                    BluetoothDevice device = BluetoothAdapter.getDefaultAdapter().getRemoteDevice(address); //"74:45:8A:B2:4E:9A"); 
                    socket = device.createInsecureRfcommSocketToServiceRecord(java.util.UUID.fromString(uuid));

                    // for others devices its works with:
                    // Method m = device.getClass().getMethod("createRfcommSocket", new Class[] {int.class});

                    // for galaxy tab 2 with:
                    //Method m = device.getClass().getMethod("createInsecureRfcommSocket", new Class[] {int.class});

                    //socket = (BluetoothSocket) m.invoke(device, 1);

                    socket.connect();

                    /////JWC  READ

                    System.out.println("BluetoothPlugin2 trying to read right away...");
                    final int socketId = 0; //args.getInt(0);
                    final int bufferSize = 512; //args.getInt(1);
                    //this.callback_read = callbackContext;
                    ReadThread readThread = new ReadThread(m_sockets.get(socketId), socketId, bufferSize);
                    readThread.start();
                    m_readThreads.add(readThread);
                    PluginResult pluginResult = new PluginResult(PluginResult.Status.NO_RESULT);
                    pluginResult.setKeepCallback(true);
                    callbackContext.sendPluginResult(pluginResult);

                    ///////////////

                    /* JWC removing
                    BluetoothDevice bluetoothDevice = 
                          m_bluetoothAdapter.getRemoteDevice(
                      address);
                    if (secure) {
                       socket = connectSecureHelper(
                             bluetoothDevice, 
                             UUID.fromString(uuid));
                    }
                    else {
                       socket = connectInsecureHelper(
                             bluetoothDevice, 
                             UUID.fromString(uuid));
                    }
                    */
                } catch (Exception e) {
                    logErr(e.toString() + " / " + e.getMessage());
                    callback_connect.error(e.getMessage());
                }
                if (socket != null) {
                    logDbg("Connected");
                    m_sockets.add(socket);
                    int socketId = m_sockets.indexOf(socket);
                    callback_connect.sendPluginResult(new PluginResult(PluginResult.Status.OK, socketId));
                } else {
                    callback_connect.error(0);
                }
            }
        });
        PluginResult pluginResult = new PluginResult(PluginResult.Status.NO_RESULT);
        pluginResult.setKeepCallback(true);
        callbackContext.sendPluginResult(pluginResult);
        return true;
    } else if (ACTION_DISCONNECT.equals(action)) {
        final int socketId = args.getInt(0);
        try {
            BluetoothSocket socket = m_sockets.get(socketId);
            logDbg("Close socket");
            socket.close();
            logDbg("Delete socket from list");
            m_sockets.remove(socketId);
            for (int i = 0; i < m_readThreads.size(); i++) {
                if (m_readThreads.get(i).socketId == socketId) {
                    m_readThreads.remove(i);
                    break;
                }
            }
            callbackContext.success();
        } catch (Exception e) {
            logErr(e.toString() + " / " + e.getMessage());
            callbackContext.error(e.getMessage());
        }
        return true;
    } else if (ACTION_LISTEN.equals(action)) {
        final String name = args.getString(0);
        final String uuid = args.getString(1);
        final boolean secure = args.getBoolean(2);
        System.out.println(
                "BluetoothPlugin2.ACTION_LISTEN  name=" + name + ", uuid=" + uuid + ", secure=" + secure);
        this.callback_listen = callbackContext;
        if (m_listenThread != null) {
            m_listenThread.cancel();
            m_listenThread = null;
        }
        m_listenThread = new ListenThread(this.cordova, name, UUID.fromString(uuid), secure);
        m_listenThread.start();
        PluginResult pluginResult = new PluginResult(PluginResult.Status.NO_RESULT);
        pluginResult.setKeepCallback(true);
        callbackContext.sendPluginResult(pluginResult);
        return true;
    } else if (ACTION_CANCEL_LISTENING.equals(action)) {
        if (m_listenThread != null) {
            m_listenThread.cancel();
        }
        m_listenThread = null;
        callbackContext.success();
        return true;
    } else if (ACTION_READ.equals(action)) {
        final int socketId = args.getInt(0);
        final int bufferSize = args.getInt(1);
        System.out.println("BluetoothPlugin2.ACTION_READ  socketId=" + socketId + ", bufferSize=" + bufferSize);
        this.callback_read = callbackContext;
        ReadThread readThread = new ReadThread(m_sockets.get(socketId), socketId, bufferSize);
        readThread.start();
        m_readThreads.add(readThread);
        PluginResult pluginResult = new PluginResult(PluginResult.Status.NO_RESULT);
        pluginResult.setKeepCallback(true);
        callbackContext.sendPluginResult(pluginResult);
        return true;
    } else if (ACTION_WRITE.equals(action)) {
        final int socketId = args.getInt(0);
        final JSONArray jsonArray = args.getJSONArray(1);
        try {
            OutputStream outputStream = m_sockets.get(socketId).getOutputStream();
            byte[] buffer = new byte[jsonArray.length()];
            for (int i = 0; i < jsonArray.length(); i++) {
                buffer[i] = (byte) jsonArray.getInt(i);
            }
            outputStream.write(buffer);
            callbackContext.success();
        } catch (Exception e) {
            logErr(e.toString() + " / " + e.getMessage());
            callbackContext.error(e.getMessage());
        }
        return true;
    }

    return false;
}