public class SocketTestActivity extends Activity {
    Socket s = new Socket();

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        Button button = (Button) findViewById(R.id.button1);
        button.setOnClickListener(new View.OnClickListener() {

            @Override
            public void onClick(View v) {
                SocketAddress sockaddr = new InetSocketAddress("ENTER IP ADDRESS HERE", 11000);
                try {
                    s.connect(sockaddr, 5000);
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
        });
        Button button2 = (Button) findViewById(R.id.button2);
        button2.setOnClickListener(new View.OnClickListener() {

            @Override
            public void onClick(View v) {
                try {
                    OutputStream out = s.getOutputStream();
                    DataOutputStream data = new DataOutputStream(out);
                    data.write(new String("testing<EOF>").getBytes());
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
        });
        Button button3 = (Button) findViewById(R.id.button3);
        button3.setOnClickListener(new View.OnClickListener() {

            @Override
            public void onClick(View v) {
                s = new Socket();
            }
        });
    }
}