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【Java】 android socket 接收服务器消息

作者:Dezai.CN / 发布于2013/6/17/ 1711


	import java.io.BufferedReader;
	import java.io.IOException;
	import java.io.InputStreamReader;
	import java.net.Socket;
	import java.net.UnknownHostException;
	import android.annotation.SuppressLint;
	import android.app.Activity;
	import android.os.Bundle;
	import android.os.Handler;
	import android.os.Message;
	import android.util.Log;
	import android.view.View;
	import android.view.View.OnClickListener;
	import android.widget.Button;
	import android.widget.TextView;

	@SuppressLint("HandlerLeak")
	public class SocketDemo extends Activity {
	 /** Called when the activity is first created. */
	 private Button btn_receive;
	 private TextView txt;
	 private String line;

	 private static final String HOST = "192.168.1.101";
	 private static final int PORT = 9999;

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

	 private void initControl() {
	 btn_receive = (Button) findViewById(R.id.btn_receive);
	 txt = (TextView) findViewById(R.id.txt);
	 btn_receive.setOnClickListener(new ReceiverListener());
	 }

	
	 @SuppressLint("HandlerLeak")
	 class ReceiverListener implements OnClickListener {

	 @Override
	 public void onClick(View v) {
	 // TODO Auto-generated method stub
	 new Thread() {
	 @Override
	 public void run() {
	 // 执行完毕后给handler发送一个空消息
	 try {
	 // 实例化Socket
	 Socket socket = new Socket(HOST, PORT);
	 // 获得输入流
	 BufferedReader br = new BufferedReader(
	 new InputStreamReader(socket.getInputStream()));
	 line = br.readLine();
	 br.close();
	 } catch (UnknownHostException e) {
	 // TODO Auto-generated catch block
	 e.printStackTrace();
	 } catch (IOException e) {
	 // TODO Auto-generated catch block
	 e.printStackTrace();
	 }
	 handler.sendEmptyMessage(0);
	 }
	 } .start();
	 }

	 }

	 // 定义Handler对象
	 private Handler handler = new Handler() {
	 @Override
	 // 当有消息发送出来的时候就执行Handler的这个方法
	 public void handleMessage(Message msg) {
	 super.handleMessage(msg);
	 // 处理UI
	 txt.setText(line);
	 Log.i("PDA", "----->" + line);
	 }
	 };

	}

试试其它关键字

　接收服务器消息　

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