Socket usage related

Learned in a small practice project                                                                
                                                                                                                                                                                                                                                                                                       

package com.sdut.edu.tools;

import java.io.BufferedWriter;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStreamWriter;
import java. io.PrintWriter;
import java.net.InetSocketAddress;
import java.net.Socket;
import java.net.SocketAddress;
import java.net.SocketException;
import java.util.Scanner;

import android.app .ActivityManager;
import android.app.AlertDialog;
import android.content.Context;
import android.content.DialogInterface;
import android.util.Log;

public class ConnectServer {
 connectServer(String str) throws SocketException,IOException
                                                                                                                                                                                                         // TODO Auto-generated method
                String result = null;
//               try{
 int c = 0;​ ​ ​ socket.connect(new InetSocketAddress( "192.168.0.189",4444),4000); Address()==null)
//                                                                             //socket.connect(remoteAddr); et.getInputStream(); //Receive Data transcoding problem
 an Scanner in = New Scanner (IS);
 // Create a Printwriter object based on the established socket, and send the information to the server through this object.~                     out.println(str); ListAdapter_getvediourl_isConnected",socket.isConnected()+"");
                                                                                    ; Hasnextline ())
 {
 result = in.nextline ();
 tempstr.append (result);
 system.out.println (tempstr); Intln ("Connection Service timeout");                                                                                                                                                                                                                      ​ ​ socket.close();//After completion. Turn off socket
 c //} Catch (socketexception e)
 // {
 // Return "--1";
 //system.out.println ("Connection failed");
 //e.printstacktrace ();                                      }catch(IOException e){
//                                                                                                }
}



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