Automatically connect to Bluetooth devices on Android

(Android Galaxy S3 4.0 RN-42 BT Arduino Uno) Android Bluetooth Android RN-42 BT  ( BlueTerm, ) , RN-42 BT Android. : http://www.instructables.com/id/Missed-calls-and-SMS-Notifier-Accessory/

42 BT (SR, 3). Android- BluetoothSerialService ( PhoneInfoServer) AcceptThread on: socket = mmServerSocket.accept(); , :

• Arduino, Android
• Android BluetoothSerialService AcceptThread,
• logcat, ,

Google BluetoothChat , . - Bluetooth. Google Play, bluetooth, . - ?

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• Arduino, Android

  void setup() {        
    Serial.begin(115200);
  
    Serial.println("BEG setup");
  
    static const char *initString0 = "$$$SR,04FE3144A0A4\r";
  
    // R,1 Forces a complete reboot of the device (similar to a power cycle).
    static const char initString1a[] = "$$$";
    static const char initString1b[] = "R,1\r";
  
    // auto
    static const char initString2a[] = "$$$";
    static const char initString2b[] = "SM,3\rSO,Z\r---\r";
    static const char *initVector[] = { initString0, initString1a, initString1b, initString2a, initString2b, NULL };
  
    int i;
  
    for (i=0; initVector[i] != NULL; i++) {
        Serial.print(initVector[i]);
        delay(500);
    }
  
    Serial.println("Setup completed");        
  }
  

• Android BluetoothSerialService AcceptThread,

  // ...
      private class AcceptThread extends Thread
      {
          // The local server socket
      static private final String TAG = "BluetoothSerialServiceAcceptThread";
          private final BluetoothServerSocket mmServerSocket;
          private String mSocketType;
  
  
          /** Creates an thread for accepting incoming Bluetooth connections
           * @param secure    Currently ignored, but suppose to represent the mode of socket.
           * All communication is currently done over insecure socket 
           */
          public AcceptThread(boolean secure) {
              Log.i(TAG, "BEG AcceptThread::AcceptThread");
  
              BluetoothServerSocket tmp = null;
              mSocketType = secure ? "Secure":"Insecure";
  
              // Create a new listening server socket
              try {
              Log.i(TAG, "AcceptThread constructor trying to create listening socket");
  
                  if (!secure) {
                      // This is for Android 2.2
                      // tmp = mAdapter.listenUsingRfcommWithServiceRecord(NAME_INSECURE, BT_SPP_UUID);
  
                      // This is for Android 2.3 but testing the above on 2.3 device showed it to be working.
                      tmp = mAdapter.listenUsingInsecureRfcommWithServiceRecord(NAME_INSECURE, BT_SPP_UUID);
                  }
  
                  Log.d(TAG, "AcceptThread: Listening BT Socket " + mSocketType + " created");
              }
              catch (IOException e)
              {
                  Log.e(TAG, "AcceptThread: Listening BT Socket Type: " + mSocketType + " listen() failed " + e.getMessage());
                  acceptProblem();
              }
              mmServerSocket = tmp;
  
              Log.d(TAG, "mmServerSocket: " + mmServerSocket);
  
          } // public AcceptThread
  
  
          public void run() {             
              Log.i(TAG, "BEG BluetoothSerialService::run");
  
              if (mmServerSocket == null)
              {
              Log.e(TAG, "AcceptThread.run: No server socket");
              return;
              }
  
              Log.d(TAG, "AcceptThread.run: socket type:" + mSocketType);
              setName("AcceptThread" + mSocketType);
  
              BluetoothSocket socket = null;
  
              Log.i(TAG, "mState: " + mState);
  
              // Listen to the server socket if we're not connected
              while (mState != STATE_CONNECTED)
              {
                  Log.i(TAG, "socket before mmServerSocket.accept(): " + socket);
  
                  try
                  {
                      // This is a blocking call and will only return on a
                      // successful connection or an exception
                      socket = mmServerSocket.accept();
                      Log.d(TAG, "AcceptThread.run: returned from accept");
                  }
                  catch (IOException e)
                  {
                      Log.e(TAG, "AcceptThread.run: Socket Type: " + mSocketType + "accept() failed " + e.getMessage());
                      break;
                  }
  
                  Log.i(TAG, "socket after mmServerSocket.accept(): " + socket);
  //...
  

• logcat , ,

      // ...
  12-09 01:04:38.765: I/BluetoothSerialServiceAcceptThread(16175): BEG AcceptThread::AcceptThread
  12-09 01:04:38.765: I/BluetoothSerialServiceAcceptThread(16175): AcceptThread constructor trying to create listening socket
  12-09 01:04:38.765: V/BluetoothSocket.cpp(16175): initSocketNative
  12-09 01:04:38.765: V/BluetoothSocket.cpp(16175): ...fd 49 created (RFCOMM, lm = 0)
  12-09 01:04:38.765: V/BluetoothSocket.cpp(16175): initSocketFromFdNative
  12-09 01:04:38.775: D/BluetoothUtils(16175): isSocketAllowedBySecurityPolicy start : device null
  12-09 01:04:38.775: V/BluetoothSocket.cpp(16175): bindListenNative
  12-09 01:04:38.775: V/BluetoothSocket.cpp(16175): ...bindListenNative(49) success
  12-09 01:04:38.785: D/BluetoothSerialServiceAcceptThread(16175): AcceptThread: Listening BT Socket Insecure created
  12-09 01:04:38.785: D/BluetoothSerialServiceAcceptThread(16175): mmServerSocket: android.bluetooth.BluetoothServerSocket@41af72c8
  12-09 01:04:38.785: D/BluetoothReadService(16175): END start
  12-09 01:04:38.795: I/BluetoothSerialServiceAcceptThread(16175): BEG BluetoothSerialService::run
  12-09 01:04:38.795: D/BluetoothSerialServiceAcceptThread(16175): AcceptThread.run: socket type:Insecure
  12-09 01:04:38.795: I/BluetoothSerialServiceAcceptThread(16175): mState: 1
  12-09 01:04:38.795: I/BluetoothSerialServiceAcceptThread(16175): socket before mmServerSocket.accept(): null
  12-09 01:04:38.795: V/BluetoothSocket.cpp(16175): acceptNative
  12-09 01:04:38.855: I/MainActivity(16175): mBtStatus: android.widget.ImageView@41adc698
  12-09 01:04:38.855: I/MainActivity(16175): In case: BluetoothSerialService.STATE_LISTEN
  12-09 01:04:38.855: D/MainActivity(16175): Beg onCreateOptionsMenu
  12-09 01:04:38.885: D/memalloc(16175): ion: Mapped buffer base:0x5d760000 size:3768320 offset:0 fd:57
  12-09 01:04:38.925: D/CLIPBOARD(16175): Hide Clipboard dialog at Starting input: finished by someone else... !
  // ...
  

, RN-42 BT , Android .

, RN-42 BT factory. BlueTerm, Android RN-42 BT. ($$$ I\r), mac LG. Bluetooth mac (0026e25d8a91). , RN-42 BT .

, , . , MAC- Android, ( )

// The mac address of the android phone
$$$SR,04FE3144A0A4\r

// Force a complete reboot of the device (similar to a power cycle).
$$$R,1\r

// SM,3 - mode=auto
// SO,Z - Extended Status String, Setting this string enables status messages to be sent to the local serial port.
// --- - exit command mode (three minus signs).
$$$SM,3\rSO,Z\r---\r

, RN-42 BT - , BluetoothServerSocket Android .
BluetoothServerSocket listenUsingInsecureRfcommWithServiceRecord listenUsingRfcommWithServiceRecord. , createInsecureRfcommSocketToServiceRecord. ?

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