125 lines
2.8 KiB
Dart
125 lines
2.8 KiB
Dart
import 'package:english_words/english_words.dart';
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import 'package:flutter/material.dart';
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import 'package:provider/provider.dart';
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void main() {
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runApp(MyApp());
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}
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class MyApp extends StatelessWidget {
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const MyApp({super.key});
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@override
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Widget build(BuildContext context) {
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return ChangeNotifierProvider(
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create: (context) => MyAppState(),
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child: MaterialApp(
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title: 'Namer App (EXAMPLE PROJECT)',
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theme: ThemeData(
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useMaterial3: true,
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colorScheme: ColorScheme.fromSeed(seedColor: Colors.purple),
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),
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home: MyHomePage(),
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),
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);
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}
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}
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class MyAppState extends ChangeNotifier {
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var current = WordPair.random();
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void getNext() {
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current = WordPair.random();
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notifyListeners();
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}
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var favorites = <WordPair>[];
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void toggleFavorite() {
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if (favorites.contains(current)) {
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favorites.remove(current);
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} else {
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favorites.add(current);
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}
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notifyListeners();
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print("Favorites are: ${favorites.toString()}");
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}
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}
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class MyHomePage extends StatelessWidget {
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@override
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Widget build(BuildContext context) {
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var appState = context.watch<MyAppState>();
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var pair = appState.current;
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IconData icon;
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if (appState.favorites.contains(pair)) {
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icon = Icons.favorite;
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} else {
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icon = Icons.favorite_border;
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}
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return Scaffold(
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body: Center(
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child: Column(
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mainAxisAlignment: MainAxisAlignment.center,
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children: [
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BigCard(pair: pair),
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SizedBox(height: 10.0), // Just a spacer.
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Row(
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mainAxisSize: MainAxisSize.min,
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children: [
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ElevatedButton.icon(
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onPressed: () {
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appState.toggleFavorite();
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},
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icon: Icon(icon),
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label: Text('Favorite'),
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),
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SizedBox(width: 10.0),
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ElevatedButton(
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onPressed: () {
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appState.getNext();
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},
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child: Text('Next'),
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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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}
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class BigCard extends StatelessWidget {
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const BigCard({
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super.key,
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required this.pair,
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});
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final WordPair pair;
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@override
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Widget build(BuildContext context) {
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final theme = Theme.of(context);
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final style = theme.textTheme.displayMedium!.copyWith(
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color: theme.colorScheme.onPrimary,
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);
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return Card(
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color: theme.colorScheme.primary,
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child: Padding(
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padding: const EdgeInsets.all(15.0),
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child: Text(
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pair.asLowerCase,
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style: style,
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semanticsLabel: "${pair.first} ${pair.second}",
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),
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),
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);
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}
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}
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