import 'package:flutter/material.dart'; import 'calculator.dart'; import 'profile.dart'; import 'result.dart'; void main() => runApp(BMIApp()); class BMIApp extends StatelessWidget { @override Widget build(BuildContext context) => MaterialApp( title: 'BMI/BFP Calculator', theme: ThemeData(primarySwatch: Colors.green), initialRoute: '/', routes: { CalculatorPage.routeName: (context) => CalculatorPage(), ResultPage.routeName: (context) => ResultPage(), ProfilePage.routeName: (context) => ProfilePage(), }, ); }