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<차량 관리 화면 >

< 로그인 액티비티 >

import android.content.Intent;

import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.Toast;

import androidx.appcompat.app.AlertDialog;
import androidx.appcompat.app.AppCompatActivity;

import com.android.volley.RequestQueue;

import com.android.volley.Response;
import com.android.volley.toolbox.Volley;

import org.json.JSONException;
import org.json.JSONObject;

public class LoginActivity extends AppCompatActivity {

private EditText et_id, et_pass;
private Button btn_login, btn_register;

private AlertDialog dialog;

private BackPressCloseHandler backPressCloseHandler;