92 lines
2.0 KiB
Dart

import 'package:english_words/english_words.dart';
import 'package:flutter/material.dart';
import 'package:provider/provider.dart';
void main() {
runApp(MyApp());
}
class MyApp extends StatelessWidget {
const MyApp({super.key});
@override
Widget build(BuildContext context) {
return ChangeNotifierProvider(
create: (context) => MyAppState(),
child: MaterialApp(
title: 'Namer App (EXAMPLE PROJECT)',
theme: ThemeData(
useMaterial3: true,
colorScheme: ColorScheme.fromSeed(seedColor: Colors.purple),
),
home: MyHomePage(),
),
);
}
}
class MyAppState extends ChangeNotifier {
var current = WordPair.random();// ...
// ↓ Add this.
void getNext() {
current = WordPair.random();
notifyListeners();
}
}
class MyHomePage extends StatelessWidget {
@override
Widget build(BuildContext context) {
var appState = context.watch<MyAppState>();
var pair = appState.current;
return Scaffold(
body: Center(
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: [
BigCard(pair: pair),
SizedBox(height: 10.0), // Just a spacer.
ElevatedButton(
onPressed: () {
appState.getNext();
},
child: Text('Next'),
),
],
),
),
);
}
}
class BigCard extends StatelessWidget {
const BigCard({
super.key,
required this.pair,
});
final WordPair pair;
@override
Widget build(BuildContext context) {
final theme = Theme.of(context);
final style = theme.textTheme.displayMedium!.copyWith(
color: theme.colorScheme.onPrimary,
);
return Card(
color: theme.colorScheme.primary,
child: Padding(
padding: const EdgeInsets.all(15.0),
child: Text(
pair.asLowerCase,
style: style,
semanticsLabel: "${pair.first} ${pair.second}",
),
),
);
}
}