First commit
This commit is contained in:
63
lib/main.dart
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63
lib/main.dart
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import 'package:flutter/material.dart';
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import 'screens/home_screen.dart';
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import 'screens/add_screen.dart';
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import 'screens/vehicles_screen.dart';
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import 'screens/history_screen.dart';
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void main() {
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runApp(FuelStatsApp());
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}
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class FuelStatsApp extends StatelessWidget {
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@override
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Widget build(BuildContext context) {
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return MaterialApp(
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title: 'Fuel Stats',
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theme: ThemeData.dark(),
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themeMode: ThemeMode.dark,
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home: MainNavigation(),
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);
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}
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}
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class MainNavigation extends StatefulWidget {
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const MainNavigation({super.key});
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@override
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_MainNavigationState createState() => _MainNavigationState();
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}
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class _MainNavigationState extends State<MainNavigation> {
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int _currentIndex = 0;
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final List<Widget> _screens = [
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HomeScreen(),
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AddScreen(),
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VehiclesScreen(),
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HistoryScreen(),
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];
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@override
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Widget build(BuildContext context) {
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return Scaffold(
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body: _screens[_currentIndex],
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bottomNavigationBar: BottomNavigationBar(
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currentIndex: _currentIndex,
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onTap: (index) => setState(() => _currentIndex = index),
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backgroundColor: Colors.grey[900],
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selectedItemColor: Colors.white,
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unselectedItemColor: Colors.grey,
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items: [
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BottomNavigationBarItem(icon: Icon(Icons.home), label: 'Home'),
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BottomNavigationBarItem(icon: Icon(Icons.add), label: 'Add'),
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BottomNavigationBarItem(
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icon: Icon(Icons.directions_car),
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label: 'Vehicles',
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),
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BottomNavigationBarItem(icon: Icon(Icons.history), label: 'History'),
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],
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),
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);
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}
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}
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20
lib/main.dart.old2
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20
lib/main.dart.old2
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import 'package:flutter/material.dart';
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void main() {
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runApp(MaterialApp(home: Home()));
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}
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class Home extends StatelessWidget {
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const Home({super.key});
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@override
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Widget build(BuildContext context) {
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return Scaffold(
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appBar: AppBar(
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title: Text("Fuel Stats"),
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backgroundColor: Colors.blue[700],
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),
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body: Column(children: [Text("vim")]),
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);
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}
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}
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129
lib/screens/add_screen.dart
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129
lib/screens/add_screen.dart
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import 'package:flutter/material.dart';
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class AddScreen extends StatefulWidget {
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@override
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_AddScreenState createState() => _AddScreenState();
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}
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class _AddScreenState extends State<AddScreen> {
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final _formKey = GlobalKey<FormState>();
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String? _selectedVehicle;
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String? _selectedFuelType;
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final TextEditingController _litersController = TextEditingController();
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final TextEditingController _pricePerLiterController =
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TextEditingController();
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final TextEditingController _totalPriceController = TextEditingController();
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final TextEditingController _mileageController = TextEditingController();
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final TextEditingController _noteController = TextEditingController();
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final List<String> _vehicles = ['Car A', 'Car B', 'Car C'];
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final List<String> _fuelTypes = ['Gasoline', 'Diesel', 'Electric'];
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@override
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Widget build(BuildContext context) {
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return Scaffold(
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appBar: AppBar(title: Text('Add Entry')),
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body: Padding(
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padding: const EdgeInsets.all(16.0),
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child: Form(
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key: _formKey,
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child: SingleChildScrollView(
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.stretch,
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children: [
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DropdownButtonFormField<String>(
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decoration: InputDecoration(labelText: 'Vehicle'),
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value: _selectedVehicle,
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items:
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_vehicles.map((vehicle) {
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return DropdownMenuItem(
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value: vehicle,
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child: Text(vehicle),
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);
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}).toList(),
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onChanged:
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(value) => setState(() => _selectedVehicle = value),
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validator:
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(value) =>
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value == null ? 'Please select a vehicle' : null,
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),
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SizedBox(height: 16),
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DropdownButtonFormField<String>(
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decoration: InputDecoration(labelText: 'Fuel Type'),
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value: _selectedFuelType,
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items:
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_fuelTypes.map((fuel) {
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return DropdownMenuItem(value: fuel, child: Text(fuel));
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}).toList(),
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onChanged:
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(value) => setState(() => _selectedFuelType = value),
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validator:
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(value) =>
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value == null ? 'Please select a fuel type' : null,
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),
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SizedBox(height: 16),
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TextFormField(
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controller: _litersController,
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decoration: InputDecoration(labelText: 'Liters'),
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keyboardType: TextInputType.number,
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validator: _numberValidator,
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),
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SizedBox(height: 16),
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TextFormField(
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controller: _pricePerLiterController,
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decoration: InputDecoration(labelText: 'Price per Liter'),
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keyboardType: TextInputType.number,
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validator: _numberValidator,
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),
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SizedBox(height: 16),
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TextFormField(
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controller: _totalPriceController,
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decoration: InputDecoration(labelText: 'Total Price'),
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keyboardType: TextInputType.number,
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validator: _numberValidator,
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),
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SizedBox(height: 16),
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TextFormField(
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controller: _mileageController,
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decoration: InputDecoration(labelText: 'Mileage'),
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keyboardType: TextInputType.number,
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validator: _numberValidator,
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),
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SizedBox(height: 16),
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TextFormField(
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controller: _noteController,
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decoration: InputDecoration(labelText: 'Note'),
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keyboardType: TextInputType.text,
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),
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SizedBox(height: 24),
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ElevatedButton(
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onPressed: _submitForm,
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style: ElevatedButton.styleFrom(
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backgroundColor: Colors.green, // green confirm button
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),
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child: Text('Create Fuel Record'),
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),
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],
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),
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),
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),
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),
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);
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}
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String? _numberValidator(String? value) {
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if (value == null || value.isEmpty) return 'This field cannot be empty';
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if (double.tryParse(value) == null) return 'Enter a valid number';
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return null;
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}
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void _submitForm() {
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if (_formKey.currentState?.validate() ?? false) {
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// Here you would save the form data to database or state
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ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(content: Text('Fuel record created successfully!')),
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);
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}
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}
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}
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11
lib/screens/history_screen.dart
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11
lib/screens/history_screen.dart
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@ -0,0 +1,11 @@
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import 'package:flutter/material.dart';
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class HistoryScreen extends StatelessWidget {
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@override
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Widget build(BuildContext context) {
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return Scaffold(
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appBar: AppBar(title: Text('History')),
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body: Center(child: Text('History Screen Content')),
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);
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}
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}
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20
lib/screens/home_screen.dart
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20
lib/screens/home_screen.dart
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@ -0,0 +1,20 @@
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import 'package:flutter/material.dart';
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import '../widgets/data_section.dart';
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class HomeScreen extends StatelessWidget {
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@override
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Widget build(BuildContext context) {
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return Scaffold(
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appBar: AppBar(title: Text('Fuel Stats')),
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body: SingleChildScrollView(
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child: Column(
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children: [
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DataSection(title: 'Fuel Consumption'),
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DataSection(title: 'Cost Over Time'),
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DataSection(title: 'Mileage Trends'),
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],
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),
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),
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);
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}
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}
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197
lib/screens/vehicles_screen.dart
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197
lib/screens/vehicles_screen.dart
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@ -0,0 +1,197 @@
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import 'package:flutter/material.dart';
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enum FuelType { Diesel, Gasoline95, Gasoline98, Other }
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class Vehicle {
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final String name;
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final String registrationPlate;
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final FuelType fuelType;
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final String? note;
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Vehicle({
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required this.name,
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required this.registrationPlate,
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required this.fuelType,
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this.note,
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});
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}
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class VehiclesScreen extends StatefulWidget {
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@override
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_VehiclesScreenState createState() => _VehiclesScreenState();
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}
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class _VehiclesScreenState extends State<VehiclesScreen> {
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final List<Vehicle> _vehicles = [];
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void _addVehicle() async {
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final newVehicle = await showDialog<Vehicle>(
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context: context,
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builder: (context) => _AddVehicleDialog(),
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);
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if (newVehicle != null) {
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setState(() {
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_vehicles.add(newVehicle);
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});
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}
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}
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void _removeVehicle(int index) async {
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final confirm = await showDialog<bool>(
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context: context,
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builder:
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(context) => AlertDialog(
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title: Text('Confirm Removal'),
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content: Text('Are you sure you want to delete this vehicle?'),
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actions: [
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TextButton(
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onPressed: () => Navigator.pop(context, false),
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child: Text('Cancel'),
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),
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TextButton(
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onPressed: () => Navigator.pop(context, true),
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child: Text('Delete'),
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),
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],
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),
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);
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if (confirm == true) {
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setState(() {
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_vehicles.removeAt(index);
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});
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}
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}
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String _fuelTypeToString(FuelType fuelType) {
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switch (fuelType) {
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case FuelType.Diesel:
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return 'Diesel';
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case FuelType.Gasoline95:
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return 'Gasoline 95';
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case FuelType.Gasoline98:
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return 'Gasoline 98';
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case FuelType.Other:
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return 'Other';
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}
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}
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@override
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Widget build(BuildContext context) {
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return Scaffold(
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appBar: AppBar(title: Text('Vehicles')),
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body:
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_vehicles.isEmpty
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? Center(child: Text('No vehicles added yet.'))
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: ListView.builder(
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itemCount: _vehicles.length,
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itemBuilder: (context, index) {
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final vehicle = _vehicles[index];
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return ListTile(
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title: Text(vehicle.name),
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subtitle: Text(
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'${vehicle.registrationPlate} • ${_fuelTypeToString(vehicle.fuelType)}${vehicle.note != null ? ' • ${vehicle.note}' : ''}',
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),
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trailing: IconButton(
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icon: Icon(Icons.delete, color: Colors.red),
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onPressed: () => _removeVehicle(index),
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),
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);
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},
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),
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floatingActionButton: FloatingActionButton(
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onPressed: _addVehicle,
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child: Icon(Icons.add),
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tooltip: 'Add Vehicle',
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),
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);
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}
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}
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class _AddVehicleDialog extends StatefulWidget {
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@override
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_AddVehicleDialogState createState() => _AddVehicleDialogState();
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}
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class _AddVehicleDialogState extends State<_AddVehicleDialog> {
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final _formKey = GlobalKey<FormState>();
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final _nameController = TextEditingController();
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final _plateController = TextEditingController();
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final _noteController = TextEditingController();
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FuelType? _selectedFuelType;
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@override
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Widget build(BuildContext context) {
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return AlertDialog(
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title: Text('Add New Vehicle'),
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content: SingleChildScrollView(
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child: Form(
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key: _formKey,
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child: Column(
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mainAxisSize: MainAxisSize.min,
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children: [
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TextFormField(
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controller: _nameController,
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decoration: InputDecoration(labelText: 'Vehicle Name'),
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validator:
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(value) =>
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value == null || value.isEmpty
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? 'Enter a vehicle name'
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: null,
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),
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TextFormField(
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controller: _plateController,
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decoration: InputDecoration(labelText: 'Registration Plate'),
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validator:
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(value) =>
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value == null || value.isEmpty
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? 'Enter a plate number'
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: null,
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),
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DropdownButtonFormField<FuelType>(
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decoration: InputDecoration(labelText: 'Fuel Type'),
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value: _selectedFuelType,
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items:
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FuelType.values.map((fuelType) {
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return DropdownMenuItem(
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value: fuelType,
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child: Text(fuelType.name),
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);
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}).toList(),
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onChanged: (value) => setState(() => _selectedFuelType = value),
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validator:
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(value) =>
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value == null ? 'Please select a fuel type' : null,
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),
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TextFormField(
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controller: _noteController,
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decoration: InputDecoration(labelText: 'Note (optional)'),
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),
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],
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),
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),
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),
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actions: [
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TextButton(
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onPressed: () => Navigator.pop(context),
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child: Text('Cancel'),
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),
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ElevatedButton(
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onPressed: () {
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if (_formKey.currentState?.validate() ?? false) {
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final vehicle = Vehicle(
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name: _nameController.text,
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registrationPlate: _plateController.text,
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fuelType: _selectedFuelType!,
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note:
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_noteController.text.isEmpty ? null : _noteController.text,
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);
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Navigator.pop(context, vehicle);
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}
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},
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child: Text('Add'),
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),
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],
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);
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}
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}
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19
lib/widgets/data_section.dart
Normal file
19
lib/widgets/data_section.dart
Normal file
@ -0,0 +1,19 @@
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import 'package:flutter/material.dart';
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class DataSection extends StatelessWidget {
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final String title;
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const DataSection({required this.title});
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@override
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Widget build(BuildContext context) {
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return Card(
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margin: EdgeInsets.all(16),
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child: Container(
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height: 200,
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padding: EdgeInsets.all(16),
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child: Center(child: Text(title, style: TextStyle(fontSize: 18))),
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),
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);
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}
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}
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Reference in New Issue
Block a user