import 'package:energy/models/CalculateModels.dart'; import 'package:energy/widgets/OutputWidget.dart'; import 'package:energy/widgets/InputWidget.dart'; import 'package:flutter/material.dart'; import 'package:provider/provider.dart'; void main() { runApp(MaterialApp( title: 'Energy', home: Scaffold( body: ChangeNotifierProvider( create: (context) => CalculateModels(), child: Center( child: Column( mainAxisSize: MainAxisSize.min, mainAxisAlignment: MainAxisAlignment.start, children: const [ Expanded(child: InputWidget()), Expanded(child: EnergyDisplay()), ], )), ), ))); }