Page 133 - 3-2

if(item.getItemId()==R.id.menu_index){
Intent index = new Intent(getApplicationContext(),MainActivity_tag.class);
startActivity(index);
return true;
}else if(item.getItemId()==R.id.menu_set){
Intent set = new Intent(getApplicationContext(),MainActivity_set.class);
startActivity(set);
return true;
}
return super.onOptionsItemSelected(item);
}

public void onbtnNFCsetClicked(View view) {
startActivity(new Intent(Settings.ACTION_NFC_SETTINGS));
}
}

*******************************MainActivity_tag***********************//adtivity_main_index 랑 관련
package kr.icehs.intec.emart;

import org.apache.http.NameValuePair;

import android.content.Context;
import android.content.Intent;
import android.graphics.drawable.ColorDrawable;
import android.nfc.NfcAdapter;
import android.nfc.Tag;
import android.nfc.tech.MifareClassic;
import android.os.AsyncTask;
import android.os.Bundle;
import android.support.v7.app.ActionBar;
import android.support.v7.app.AppCompatActivity;
import android.view.Menu;
import android.view.MenuItem;
import android.util.Log;
import android.view.View;
import android.widget.TextView;
import android.widget.Toast;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.net.HttpURLConnection;
import java.net.URL;
import android.nfc.tech.NfcA;

- 133 -