Android的Socket通信编程实现程序

public class SimpleServer {

    /**
     * @param args
     * @throws IOException
     */
    public static void main(String[] args) throws IOException {
        // TODO Auto-generated method stub

        //创建一个ServerSocket,用于监听客户端socket的连接请求
        ServerSocket ss=new ServerSocket(30000);
        //采用循环不断接受来自客户端的请求,服务器端也对应产生一个Socket
        while(true){
            Socket s=ss.accept();
            OutputStream os=s.getOutputStream();
            os.write("您好，您收到了服务器的新年祝福！n".getBytes("utf-8"));
            os.close();
            s.close();
    }

    }}

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.net.Socket;
import java.net.UnknownHostException;

import android.app.Activity;
import android.os.Bundle;
import android.util.Log;
import android.widget.EditText;

public class SimpleClient extends Activity {
    private EditText show;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        // TODO Auto-generated method stub
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        show = (EditText) findViewById(R.id.show);

        try {

            Socket socket = new Socket("自己计算机的IP地址", 30000);
            //设置10秒之后即认为是超时
            socket.setSoTimeout(10000);
            BufferedReader br = new BufferedReader(new InputStreamReader(
                    socket.getInputStream()));
            String line = br.readLine();

            show.setText("来自服务器的数据："+line);

            br.close();
            socket.close();

        } catch (UnknownHostException e) {
            // TODO Auto-generated catch block
            Log.e("UnknownHost", "来自服务器的数据");
            e.printStackTrace();
        } catch (IOException e) {
            Log.e("IOException", "来自服务器的数据");
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
    }
}