Android Open Source - wrist.io Bluetooth Util

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From Project

Back to project page wrist.io.

License

The source code is released under:

GNU General Public License

Java Source Code

package org.hackedio.wristio.util;
/*www. j  av  a2  s.c o  m*/
import java.io.IOException;
import java.lang.reflect.Method;
import java.util.UUID;

import org.hackedio.wristio.bluetooth.BluetoothManager;

import android.bluetooth.BluetoothDevice;
import android.bluetooth.BluetoothSocket;
import android.content.Context;
import android.os.Build;
import android.util.Log;

public class BluetoothUtil {

  private static final String SERIAL_SERVICE_UUID = "00001101-0000-1000-8000-00805f9b34fb";
  
  public static BluetoothSocket createBluetoothSocket(BluetoothDevice device)  throws IOException {
    UUID uuid = UUID.fromString(SERIAL_SERVICE_UUID);
    BluetoothSocket socket = null;
    if (Build.VERSION.SDK_INT >= 10) {
      try {
        final Method m = device.getClass().getMethod("createInsecureRfcommSocketToServiceRecord", new Class[] { UUID.class });
        System.out.println("Performing invoke");
        socket = (BluetoothSocket) m.invoke(device, uuid);
        System.out.println("Invoke done");
        System.out.println(socket);
      } catch (Exception e) {
        Log.e("error", "Could not create Insecure RFComm Connection", e);
      }
    }
    else{
      //TODO, support older versions with secure connection
    }
    return socket;
  }
  
  public static void sendMessage(Context context, BluetoothManager mgr, Integer numPulses, Integer pulseDuration, String displayText){
    try{
      StringBuffer sb = new StringBuffer();
      sb.append(numPulses);
      sb.append(",");
      sb.append(pulseDuration);
      sb.append(",");
      sb.append(displayText.replaceAll("\n", " "));
      sb.append("\n");
      mgr.write(sb.toString().getBytes("UTF-8"));
    }
    catch(Exception e){
      if(context != null)
      AlertUtil.alertMessage(context, "An error ocurred attempting to communicate with the Notification device");
      Log.i("error", "An error ocurred attempting to communicate with the Notification device", e);
      e.printStackTrace();
    }
  }

}

Java Source Code List

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