안드로이드 클라이언트 소켓2(ver.test)

gistfile1.java

package com.example.client_test;

import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.IOException;
import java.net.InetAddress;
import java.net.Socket;
import java.net.UnknownHostException;

import android.os.AsyncTask;
import android.util.Log;

public class TCP_Client extends AsyncTask{
	
	protected static	String SERV_IP		=	"xxx.xxx.xxx.xxx"; //server ip
	protected static	int		  PORT		=	8001;
	
	@Override
	protected Object doInBackground(Object... params) {
		// TODO Auto-generated method stub
		
		try {
			Log.d("TCP","server connecting");
			InetAddress serverAddr = InetAddress.getByName(SERV_IP);
			Socket sock = new Socket(serverAddr,PORT);
			
			DataInputStream		input		=	new DataInputStream(sock.getInputStream());
			DataOutputStream	output	=	new DataOutputStream(sock.getOutputStream());
			
			try{
				//	데이터 송신 부분!
				WriteSocket(output);
				
			} catch(IOException e){
				Log.e("TCP","don't send message!");
				e.printStackTrace();
			}
			
		} catch (UnknownHostException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		} catch(IOException	e){
			e.printStackTrace();
		}
		
		return null;
	}

	public void WriteSocket(DataOutputStream data) throws IOException{
		//	data send
		data.write('a');
	}
	public void ReadSock(DataInputStream	data) throws IOException{
		//	data recieve
		byte[] datafile = null;
		
		data.read(datafile);
	
	}
}