Java  

Example

: Scanning bluetooth devices

package bluetoothexample;
 
import java.io.IOException;
import java.util.Vector;
import javax.bluetooth.*;
 
/**
*
* Class that discovers all bluetooth devices in the neighbourhood,
*
*/
public class BluetoothExample implements DiscoveryListener
{
  private static Object lock=new Object();//object used for waiting
  private static Vector vecDevices=new Vector();//vector containing the devices discovered
  private static String connectionURL=null;
 
  public static void main(String[] args) throws IOException
  {
      BluetoothExample be=new BluetoothExample();
      //display local device address and name
      LocalDevice localDevice = LocalDevice.getLocalDevice();
      System.out.println("Address: "+localDevice.getBluetoothAddress());
      System.out.println("Name: "+localDevice.getFriendlyName());
      //find devices
      DiscoveryAgent agent = localDevice.getDiscoveryAgent();
 
      /////////////////////////////////////////////////////
      //System.out.println("Starting device inquiry...");//
      /////////////////////////////////////////////////////
      agent.startInquiry(DiscoveryAgent.GIAC, be);
      try
      {
          synchronized(lock)
          {
              lock.wait();
          }
      }
      catch (InterruptedException e) {
          e.printStackTrace();
      }
      /////////////////////////////////////////////////////
      //System.out.println("Device Inquiry Completed. ");//
      /////////////////////////////////////////////////////
 
      //print all devices in vecDevices
      int deviceCount=vecDevices.size();
 
      if(deviceCount <= 0){
          System.out.println("No Devices Found .");
      }
      else
      {
          System.out.println("Bluetooth Devices: ");
          for (int i = 0; i )
          {
              try
              {
                  RemoteDevice remoteDevice = (RemoteDevice) vecDevices.elementAt(i);
                  System.out.println((i + 1) + ". " + remoteDevice.getBluetoothAddress() + " (" + remoteDevice.getFriendlyName(true) + ")");
              } catch (IOException iOException) {
              }
          }
      }
  }
 
  /**
   * Called when a bluetooth device is discovered.
   * Used for device search.
   */
  public void deviceDiscovered(RemoteDevice btDevice, DeviceClass cod)
  {
      //add the device to the vector
      if(!vecDevices.contains(btDevice))
      {
          vecDevices.addElement(btDevice);
      }
  }
 
  /**
   * Called when a bluetooth service is discovered.
   * Used for service search.
   */
  public void servicesDiscovered(int transID, ServiceRecord[] servRecord)
  {
      if(servRecord!=null && servRecord.length>0)
      {
          connectionURL=servRecord[0].getConnectionURL(0,false);
      }
      synchronized(lock)
      {
          lock.notify();
      }
  }
 
  /**
   * Called when the service search is over.
   */
  public void serviceSearchCompleted(int transID, int respCode)
  {
      synchronized(lock)
      {
          lock.notify();
      }
  }
 
  /**
   * Called when the device search is over.
   */
  public void inquiryCompleted(int discType)
  {
      synchronized(lock)
      {
          lock.notify();
      }
 
  }//end method
}//end class 
 

    BlueCove version 2.1.0 on bluez
    Address: 00805A20EB9C
    Name: hormiga-0
    Bluetooth Devices:
    1. 001E3BA57B16 (Libelula)
    2. 0025C7339785 (Mosquito)
    3. 0017E5D82BB0 (Tarantula)
    4. 001F5DBFF001 (Cucaracha)
    BlueCove stack shutdown completed
    

Invocation:

java -jar "BluetoothExample.jar"


Require

Require bluecove lib, this library is inside of lib folder.