TCP/IP

package com.example.test;

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.DataOutputStream;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.io.PrintWriter;
import java.net.InetAddress;
import java.net.Socket;

import android.os.Bundle;
import android.os.Handler;
import android.app.Activity;
import android.util.Log;
import android.view.Menu;
import android.widget.AbsoluteLayout;
import android.widget.Toast;

public class Start_Activity extends Activity{

  
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_start_);
       
        AbsoluteLayout start_layout = (AbsoluteLayout)findViewById(R.id.start);
        start_layout.setBackgroundResource(R.drawable.start_view); 
       
        Thread thread = new Thread(null, new TCPClient("zz"));
        thread.start();

    }

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        getMenuInflater().inflate(R.menu.activity_start_, menu);
        return true;
    }

   
   
}

 

 

 

 

 

 

---------------------------------------------Client-------------------------------------------

package com.example.test;

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.io.PrintWriter;
import java.net.InetAddress;
import java.net.Socket;

import android.util.Log;

public class TCPClient implements Runnable {

 
 private static final String SERVERIP="210.118.64.177";
 private static final int Port=9000;
 private String msg;
 private String return_msg;
 
 public TCPClient(String _msg){
   
      this.msg = _msg;
     }
 public void run() {
  // TODO Auto-generated method stub
  try {
   InetAddress serverAddr = InetAddress.getByName(SERVERIP);
   Socket socket = new Socket(serverAddr, Port);

       // Socket socket = new Socket(SERVERIP, Port);
       Log.d("TCP", "C: Connecting...");
       try {
        Log.d("TCP", "C: Sending: '" + msg + "'");
        PrintWriter out = new PrintWriter( new BufferedWriter( new OutputStreamWriter(socket.getOutputStream())),true);
        out.println(msg);
        Log.d("TCP", "C: Sent.");
        Log.d("TCP", "C: Done.");
         
        BufferedReader in = new BufferedReader(new InputStreamReader(socket.getInputStream()));
        return_msg = in.readLine();
         
        Log.d("TCP", "C: Server send to me this message -->" + return_msg);
       } catch(Exception e) {
        Log.e("TCP", "C: Error1", e);
       } finally {
        socket.close();
       }
      } catch (Exception e) {
       Log.e("TCP", "C: Error2", e);
      }
    }
 

}