Android网络编程之UDP通信模型实例(2)

 EditText msg_et = null;
 Button send_bt = null;
 TextView info_tv = null;

 @Override
 public void onCreate(Bundle savedInstanceState) {
  super.onCreate(savedInstanceState);
  setContentView(R.layout.main);

  msg_et = (EditText) findViewById(R.id.msg_et);
  send_bt = (Button) findViewById(R.id.send_bt);
  info_tv = (TextView) findViewById(R.id.info_tv);

  // 开启服务器
  ExecutorService exec = Executors.newCachedThreadPool();
  UDPServer server = new UDPServer();
  exec.execute(server);

  // 发送消息
  send_bt.setOnClickListener(new OnClickListener() {
   @Override
   public void onClick(View v) {
    UDPClient client = new UDPClient(msg_et.getText().toString());
    info_tv.setText(client.send());
   }
  });
 }
}