蓝牙通信（一）

public class ServerBluetooth {
 public BluetoothSocket transferSocket;
 public UUID startServerSocket(BluetoothAdapter bluetooth){
   UUID uuid = UUID.fromString("");
   String name ="bluetoothserver";
   try {
   final BluetoothServerSocket btServer=bluetooth.listenUsingRfcommWithServiceRecord(name, uuid);
   Thread acceptThread = new Thread(new Runnable(){

    @Override
    public void run() {
     // TODO Auto-generated method stub
     try {
      BluetoothSocket serverSocket = btServer.accept();
      listenForMessages(serverSocket);
      transferSocket = serverSocket;
     } catch (IOException e) {
      // TODO Auto-generated catch block
      e.printStackTrace();
     }
    }
    
   });
   acceptThread.start();
  } catch (IOException e) {
   // TODO Auto-generated catch block
   e.printStackTrace();
  }
   return uuid;
 }
 private boolean listening = false;
 public void listenForMessages(BluetoothSocket socket){
   StringBuilder incoming = new StringBuilder("");
   listening = true;
   int buffersize = 1024;
   byte[] buffer = new byte[buffersize];
   try {
    InputStream instream = socket.getInputStream();
    int byteRead = -1;
    while(listening) {
     byteRead = instream.read(buffer);
     if(byteRead!=-1) {
      String result = "";
      while(byteRead==buffersize&&(buffer[buffersize-1]!=0)){
       result = result+new String(buffer,0,byteRead-1);
       incoming.append(result);
      }
     }
    }
   } catch (IOException e) {
    // TODO Auto-generated catch block
    e.printStackTrace();
   }finally{
    try {
     socket.close();
    } catch (IOException e) {
     // TODO Auto-generated catch block
     e.printStackTrace();
    }
   }
  }
}