public class MainActivity extends Activity {
	@Override
	public void onCreate(Bundle savedInstanceState) {

		super.onCreate(savedInstanceState);

		setContentView(R.layout.activity_main);
		byte[] receiveData = new byte[50];
		DatagramPacket	receivePacket = new DatagramPacket(receiveData, receiveData.length);
		System.out.println(getLocalIpAddress());
		DatagramSocket serverSocket;
		try {
			serverSocket = new DatagramSocket(57111);
			serverSocket.receive(receivePacket);
			 String response = new String(receivePacket.getData(), 0, 
					 receivePacket.getLength(), "UTF-8");
			TextView t = (TextView) findViewById(R.id.textView1);
			t.setText(String.valueOf(new String(response)));
			
		} catch (SocketException e1) {
			// TODO Auto-generated catch block
			e1.printStackTrace();
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
	}
		
		

	@Override
	public boolean onCreateOptionsMenu(Menu menu) {
		// Inflate the menu; this adds items to the action bar if it is present.
		getMenuInflater().inflate(R.menu.activity_main, menu);
		return true;
	}

}