与socket联通

package com.example.webclient;

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

import com.example.webclient.R.id;

import android.app.Activity;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.TextView;

public class MainActivity extends Activity { 
    private Button link;
    private TextView show;
    private Handler handle = new Handler() {
        public void handleMessage(Message msg) {
        String a=(String) msg.obj;
                MainActivity.this.show.setText(a) ;
        };
    };

    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        init();

    }

    private void init() {
        link = (Button) findViewById(id.link);
        show = (TextView) findViewById(id.show);
        
        link.setOnClickListener(new linkSocket());
    }

    public class linkSocket implements OnClickListener {
        public void onClick(View arg0) {
            Thread thread = new Thread(null, inThread, "linkServer");
            thread.start();
        }
    }
    public Runnable inThread = new Runnable() {

        public void run() {
            hehe();
        }

    };
    public void  hehe() {
        try {
            Socket client = new Socket("192.168.156.1", 8899);
            PrintStream out = new PrintStream(client.getOutputStream());
            BufferedReader buf = new BufferedReader(new InputStreamReader(
                    client.getInputStream()));
            out.println("怎么突然就对了呢") ;    // 向服务器端发送数据
            Message msg = Message.obtain();
            String a =buf.readLine();
            msg.obj=a;
            handle.sendMessage(msg);
            out.close() ;
            buf.close() ;
            client.close() ;
        } catch (Exception e) {
            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.main, menu);
        return true;
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        // Handle action bar item clicks here. The action bar will
        // automatically handle clicks on the Home/Up button, so long
        // as you specify a parent activity in AndroidManifest.xml.
        int id = item.getItemId();
        if (id == R.id.action_settings) {
            return true;
        }
        return super.onOptionsItemSelected(item);
    }
}

import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.io.PrintStream;
import java.net.ServerSocket;
import java.net.Socket;

public class Myserver {

    public static void main(String[] args) throws Exception {
        ServerSocket server = new ServerSocket(8899);
        Socket client = server.accept(); 
        PrintStream out = new PrintStream(client.getOutputStream());
        BufferedReader buf = new BufferedReader(new InputStreamReader(
                client.getInputStream()));
        StringBuffer info = new StringBuffer() ;
        info.append("恩。") ;
        info.append(buf.readLine()) ;
        out.print(info) ;
        out.close() ;
        buf.close() ;
        client.close() ;
        server.close() ;
    }

}