import 'package:flutter/material.dart'; import 'package:firebase_core/firebase_core.dart'; import 'firebase_options.dart'; import 'sensor_screen.dart'; // ⬅️ tambahkan ini void main() async { WidgetsFlutterBinding.ensureInitialized(); await Firebase.initializeApp( options: DefaultFirebaseOptions.currentPlatform, ); runApp(const MyApp()); } class MyApp extends StatelessWidget { const MyApp({super.key}); @override Widget build(BuildContext context) { return MaterialApp( debugShowCheckedModeBanner: false, home: const SensorScreen(), // ⬅️ ganti dari Scaffold ke ini ); } }