Smart_Vision_Assist_App/lib/main.dart

import 'package:flutter/material.dart';
import 'package:shared_preferences/shared_preferences.dart';

import 'screens/login_screen.dart';
import 'screens/camera_screen.dart';

Future<void> main() async {
  WidgetsFlutterBinding.ensureInitialized();

  final SharedPreferences prefs = await SharedPreferences.getInstance();
  final String? token = prefs.getString("auth_token");

  runApp(MyApp(isLoggedIn: token != null && token.isNotEmpty));
}

class MyApp extends StatelessWidget {
  final bool isLoggedIn;

  const MyApp({
    super.key,
    required this.isLoggedIn,
  });

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      debugShowCheckedModeBanner: false,
      title: 'Object Detector Assist',
      home: isLoggedIn
          ? const CameraScreen()
          : const LoginScreen(),
    );
  }
}