手机控制电脑关机程序

package shutdownWithAndroid;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.io.PrintStream;
import java.net.ServerSocket;
import java.net.Socket;

public class SocketServer {

static void shutdown(){

try {
Runtime.getRuntime().exec("shutdown -s -t 10");

}catch (Exception e) {

e.printStackTrace();

}
}

public static void main(String[] args) throws IOException{

ServerSocket  ss = new ServerSocket(30000);

while (true){
BufferedReader reader =null;
InputStreamReader isr =null;
InputStream is =null;

PrintStream ps =null;
OutputStream os =null;

Socket s = ss.accept();

is = s.getInputStream();
os = s.getOutputStream();

if(is!=null){
isr = new InputStreamReader(is);
reader = new BufferedReader(isr);
String line = reader.readLine();
System.out.println(line);

if(line!=null){
if(os!=null){
ps = new PrintStream(os);
ps.print("true");
//                      shutdown();
ps.close();
System.out.println("****************************");
}
}
reader.close();
}
s.close();
}

}

}

package com.example.shutdownpc;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.io.PrintStream;
import java.net.Socket;

import android.app.Activity;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;

public class MainActivity extends Activity {

private Button btn;

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

btn = (Button) findViewById(R.id.shutdown);

btn.setOnClickListener(new OnClickListener() {

@Override
public void onClick(View v) {

new Thread()
//里面没有Runnable
{
public void run() {
try {
Socket sc = new Socket("192.168.23.5" , 30000);
//换成自己服务器端的IP地址

BufferedReader reader =null;
InputStreamReader isr =null;
InputStream is = null;

PrintStream ps =null;
OutputStream os =null;

os = sc.getOutputStream();
is = sc.getInputStream();

isr = new InputStreamReader(is);
reader = new BufferedReader(isr);

if(os!=null){
ps = new PrintStream(os);
ps.print("hello!");
ps.close();
}

//                          if(reader!=null){
//                              String line = reader.readLine();
//
//                              System.out.println(line);
//
//                              System.out.println("****************************");
//
//                              reader.close();
//                              }

sc.close();

} catch (IOException e) {

e.printStackTrace();
System.out.println("IOException");
}

}
}.start();

}
});

}

}