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  • 8ef77abdbc7a95e663b9da7357ffcdb14792623e
  • main default protected
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main.dart

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  • main.dart 5.04 KiB
    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',
            theme: ThemeData(
              useMaterial3: true,
              colorScheme: ColorScheme.fromSeed(seedColor: Colors.lightBlueAccent),
            ),
            home: MyHomePage(),
          ),
        );
      }
    }
    
    class MyAppState extends ChangeNotifier {
      var current = WordPair.random();
    
      void getNext() {
        current = WordPair.random();
        notifyListeners();
      }
    
      var favorites = <WordPair>[];
    
      void toggleFavorite() {
        if (favorites.contains(current)) {
          favorites.remove(current);
        } else {
          favorites.add(current);
        }
        notifyListeners();
      }
    }
    
    // ...
    
    class MyHomePage extends StatefulWidget {
      @override
      State<MyHomePage> createState() => _MyHomePageState();
    }
    
    class _MyHomePageState extends State<MyHomePage> {
      var selectedIndex = 0;
    
      @override
      Widget build(BuildContext context) {
        Widget page;
        switch (selectedIndex) {
          case 0:
            page = GeneratorPage();
            break;
          case 1:
            page = FavoritesPage();
            break;
          default:
            throw UnimplementedError('no widget for $selectedIndex');
        }