Move my version to a different file and use the version from GitHub for further testing and analysis.
This commit is contained in:
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@ -1,3 +1,4 @@
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// https://github.com/flutter/codelabs/blob/main/namer/step_08/lib/main.dart
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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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@ -14,10 +15,10 @@ class MyApp extends StatelessWidget {
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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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title: 'Namer App',
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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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colorScheme: ColorScheme.fromSeed(seedColor: Colors.deepOrange),
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),
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home: MyHomePage(),
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),
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@ -42,7 +43,6 @@ class MyAppState extends ChangeNotifier {
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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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@ -52,93 +52,55 @@ class MyHomePage extends StatefulWidget {
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}
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class _MyHomePageState extends State<MyHomePage> {
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var selectedIndex = 0;
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@override
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Widget build(BuildContext context) {
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Widget page;
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switch (selectedIndex) {
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case 0:
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page = GeneratorPage();
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break;
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case 1:
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page = FavoritesPage();
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break;
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default:
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throw UnimplementedError('no widget for $selectedIndex');
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}
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return LayoutBuilder(
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builder: (context, constraints) {
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return Scaffold(
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body: Row(
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children: [
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SafeArea(
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child: NavigationRail(
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extended: constraints.maxWidth >= 600,
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destinations: [
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NavigationRailDestination(
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icon: Icon(Icons.home),
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label: Text('Home'),
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),
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NavigationRailDestination(
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icon: Icon(Icons.favorite),
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label: Text('Favorites'),
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),
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],
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selectedIndex: selectedIndex,
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onDestinationSelected: (value) {
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setState(() {
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selectedIndex = value;
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});
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}
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),
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return LayoutBuilder(builder: (context, constraints) {
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return Scaffold(
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body: Row(
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children: [
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SafeArea(
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child: NavigationRail(
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extended: constraints.maxWidth >= 600,
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destinations: [
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NavigationRailDestination(
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icon: Icon(Icons.home),
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label: Text('Home'),
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),
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NavigationRailDestination(
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icon: Icon(Icons.favorite),
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label: Text('Favorites'),
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),
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],
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selectedIndex: selectedIndex,
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onDestinationSelected: (value) {
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setState(() {
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selectedIndex = value;
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});
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},
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),
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Expanded(
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child: Container(
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color: Theme.of(context).colorScheme.primaryContainer,
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child: page,
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),
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),
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Expanded(
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child: Container(
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color: Theme.of(context).colorScheme.primaryContainer,
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child: page,
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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 FavoritesPage extends StatelessWidget {
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const FavoritesPage({
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super.key,
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});
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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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if (appState.favorites.isEmpty) {
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return Center(
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child: Text('No favorites yet.'),
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);
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}
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return ListView(
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children: [
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Padding(
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padding: const EdgeInsets.all(20),
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child: Text('You have '
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'${appState.favorites.length} favorites:'),
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),
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],
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),
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for (var pair in appState.favorites)
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ListTile(
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leading: Icon(Icons.favorite),
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title: Text(pair.asLowerCase),
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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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@ -204,7 +166,7 @@ class BigCard extends StatelessWidget {
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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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padding: const EdgeInsets.all(20),
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child: Text(
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pair.asLowerCase,
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style: style,
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@ -214,3 +176,31 @@ class BigCard extends StatelessWidget {
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);
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}
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}
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class FavoritesPage 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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if (appState.favorites.isEmpty) {
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return Center(
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child: Text('No favorites yet.'),
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);
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}
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return ListView(
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children: [
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Padding(
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padding: const EdgeInsets.all(20),
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child: Text('You have '
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'${appState.favorites.length} favorites:'),
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),
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for (var pair in appState.favorites)
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ListTile(
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leading: Icon(Icons.favorite),
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title: Text(pair.asLowerCase),
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),
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],
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);
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}
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}
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216
namer_app/lib/main_MyVersion20250130.dart
Normal file
216
namer_app/lib/main_MyVersion20250130.dart
Normal file
@ -0,0 +1,216 @@
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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 StatefulWidget {
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@override
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State<MyHomePage> createState() => _MyHomePageState();
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}
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class _MyHomePageState extends State<MyHomePage> {
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var selectedIndex = 0;
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@override
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Widget build(BuildContext context) {
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Widget page;
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switch (selectedIndex) {
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case 0:
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page = GeneratorPage();
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break;
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case 1:
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page = FavoritesPage();
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break;
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default:
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throw UnimplementedError('no widget for $selectedIndex');
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}
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return LayoutBuilder(
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builder: (context, constraints) {
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return Scaffold(
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body: Row(
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children: [
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SafeArea(
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child: NavigationRail(
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extended: constraints.maxWidth >= 600,
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destinations: [
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NavigationRailDestination(
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icon: Icon(Icons.home),
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label: Text('Home'),
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),
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NavigationRailDestination(
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icon: Icon(Icons.favorite),
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label: Text('Favorites'),
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),
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],
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selectedIndex: selectedIndex,
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onDestinationSelected: (value) {
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setState(() {
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selectedIndex = value;
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});
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}
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),
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),
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Expanded(
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child: Container(
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color: Theme.of(context).colorScheme.primaryContainer,
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child: page,
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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 FavoritesPage extends StatelessWidget {
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const FavoritesPage({
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super.key,
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});
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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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if (appState.favorites.isEmpty) {
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return Center(
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child: Text('No favorites yet.'),
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);
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}
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return ListView(
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children: [
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Padding(
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padding: const EdgeInsets.all(20),
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child: Text('You have '
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'${appState.favorites.length} favorites:'),
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),
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for (var pair in appState.favorites)
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ListTile(
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leading: Icon(Icons.favorite),
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title: Text(pair.asLowerCase),
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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 GeneratorPage 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 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),
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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('Like'),
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),
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SizedBox(width: 10),
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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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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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