core.jar 만들어서 라이브러리에 추가했습니다.
	 
	허나 뭐가문제인지 스캔버튼을 클릭하면 unfortunately stopped 메시지가 뜨는군요..
	 
	 
	바코드 스캐너가 설치된 상태에서 com.google.zxing path를 써야 실행이 된다고하는데,
	 
	설치하지않은 상태에서 작동하게하려면 어떻게해야하나요?
	 
	 
	 
	 
	 
	 
	package com.example.whalestudio;
	 
	 
	import android.app.Activity;
	import android.content.Intent;
	import android.os.Bundle;
	import android.view.View;
	import android.view.View.OnClickListener;
	import android.widget.Button;
	import android.widget.TextView;
	import android.widget.Toast;
	 
	public class page1 extends Activity {
	TextView tvStatus;
	TextView tvResult;
	 
	@Override
	protected void onCreate(Bundle savedInstanceState) {
	super.onCreate(savedInstanceState);
	setContentView(R.layout.page1);
	 
	tvStatus = (TextView) findViewById(R.id.tvStatus);
	tvResult = (TextView) findViewById(R.id.tvResult);
	 
	Button scanBtn = (Button) findViewById(R.id.btnScan);
	Button bt1 = (Button) findViewById(R.id.button1);
	Button bt2 = (Button) findViewById(R.id.button2);
	bt1.setOnClickListener(new View.OnClickListener(){
	@Override
	public void onClick(View v){
	Intent in = new Intent(page1.this,page2.class);
	startActivity(in);
	}
	});
	bt2.setOnClickListener(new View.OnClickListener(){
	@Override
	public void onClick(View v){
	Intent in2 = new Intent(page1.this,qna.class);
	startActivity(in2);
	}}
	);
	scanBtn.setOnClickListener(new OnClickListener() {
	@Override
	public void onClick(View v) {
	// TODO Auto-generated method stub
	 
	try {
	 
	Intent intent = new Intent("com.example.Whalestudio.zxing.client.android.SCAN");
	 
	startActivityForResult(intent, 0);
	 
	} catch (Exception e) {
	// TODO Auto-generated catch block
	e.printStackTrace();
	Toast.makeText(getApplicationContext(), "ERROR:" + e, 1).show();
	 
	}
	 
	}
	});
	 
	}
	public void onActivityResult(int requestCode, int resultCode, Intent intent) {
	if (requestCode == 0) {
	 
	if (resultCode == RESULT_OK) {
	tvStatus.setText(intent.getStringExtra("SCAN_RESULT_FORMAT"));
	tvResult.setText(intent.getStringExtra("SCAN_RESULT"));
	} else if (resultCode == RESULT_CANCELED) {
	tvStatus.setText("Press a button to start a scan.");
	tvResult.setText("Scan cancelled.");
	}
	}
	}
	 
	}