소켓 쓰레드 적용

에어버스 2015. 1. 28. 16:15

오류없이 실행되었던 이클립스 프로젝트를 안드로이드 스튜디오에서 같은 코드로 실행하면 오류발생하여
소켓 연결과 수신은 쓰레드 처리함.

AutoStockOrder.zip(Android Studio 프로젝트)

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package com.pelkan.user.autostockorder;

import android.support.v7.app.ActionBarActivity;
import android.os.Bundle;
import android.util.Log;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.TextView;

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

public class AutoStockOrder extends ActionBarActivity {
    EditText input;
    Button button;
    TextView output;

    Socket socket = null;
    BufferedReader socket_in;
    BufferedWriter socket_out;

    final String _SERVER_ADDR = "서버 도메인 혹은 IP";
    final int _PORT_NO = 4444;

    final String _ANDROID_DEVICE_CODE = "1";

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

        input = (EditText) findViewById(R.id.input);
        button = (Button) findViewById(R.id.button);
        output = (TextView) findViewById(R.id.output);

        ConnectSocket conSock = new ConnectSocket(); // 쓰레드처리 안하면 오류
       conSock.setDaemon(true);
       conSock.start();

        button.setOnClickListener(new View.OnClickListener() {
            public void onClick(View v) {
                String data = input.getText().toString();

                if (data != null) { // SEND
                    Log.w("NETWORK", " " + data);
                    try {
                        socket_out.write(_ANDROID_DEVICE_CODE + data);
                        socket_out.flush();
                    } catch (IOException e) {
                        // TODO Auto-generated catch block
                        e.printStackTrace();
                    }
                }
            }
        });
    }

    class ConnectSocket extends Thread {
        public void run() {
            try {
                socket = new Socket(_SERVER_ADDR, _PORT_NO);
                // MFC 에서 한글 안깨짐
                socket_in = new BufferedReader(new InputStreamReader(socket.getInputStream(), "euc-kr"));
                socket_out = new BufferedWriter(new OutputStreamWriter(socket.getOutputStream(), "euc-kr"));

                int b = 0;
                char[] a = new char[1024];
                while (true) { // RECIEVE
                    b = socket_in.read(a); // RECIEVE
                    final String c = new String(a);
                    output.post(new Runnable() {
                        public void run() {
                            output.setText(c);
                        }
                    });
                }
            } catch (IOException 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.menu_auto_stock_order, 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();

        //noinspection SimplifiableIfStatement
        if (id == R.id.action_settings) {
            return true;
        }

        return super.onOptionsItemSelected(item);
    }
}