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Code Issues Releases Wiki Activity

Flutter 3.29 beta (#2571)

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This commit is contained in:
Eric Windmill
2025-02-12 18:08:01 -05:00
committed by GitHub
parent d62c784789
commit 719fd72c38
685 changed files with 76244 additions and 53721 deletions
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32
navigation_and_routing/lib/src/screens/author_details.dart
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@@ -19,22 +19,20 @@ class AuthorDetailsScreen extends StatelessWidget {
@override
Widget build(BuildContext context) => Scaffold(
appBar: AppBar(
title: Text(author.name),
),
body: Center(
child: Column(
children: [
Expanded(
child: BookList(
books: author.books,
onTap: (book) {
onBookTapped(book);
},
),
),
],
appBar: AppBar(title: Text(author.name)),
body: Center(
child: Column(
children: [
Expanded(
child: BookList(
books: author.books,
onTap: (book) {
onBookTapped(book);
},
),
),
),
);
],
),
),
);
}

17
navigation_and_routing/lib/src/screens/authors.dart
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@@ -12,20 +12,11 @@ class AuthorsScreen extends StatelessWidget {
final String title;
final ValueChanged<Author> onTap;
const AuthorsScreen({
required this.onTap,
this.title = 'Authors',
super.key,
});
const AuthorsScreen({required this.onTap, this.title = 'Authors', super.key});
@override
Widget build(BuildContext context) => Scaffold(
appBar: AppBar(
title: Text(title),
),
body: AuthorList(
authors: libraryInstance.allAuthors,
onTap: onTap,
),
);
appBar: AppBar(title: Text(title)),
body: AuthorList(authors: libraryInstance.allAuthors, onTap: onTap),
);
}

39
navigation_and_routing/lib/src/screens/book_details.dart
View File

@@ -12,24 +12,15 @@ import 'author_details.dart';
class BookDetailsScreen extends StatelessWidget {
final Book? book;
const BookDetailsScreen({
super.key,
this.book,
});
const BookDetailsScreen({super.key, this.book});
@override
Widget build(BuildContext context) {
if (book == null) {
return const Scaffold(
body: Center(
child: Text('No book found.'),
),
);
return const Scaffold(body: Center(child: Text('No book found.')));
}
return Scaffold(
appBar: AppBar(
title: Text(book!.title),
),
appBar: AppBar(title: Text(book!.title)),
body: Center(
child: Column(
children: [
@@ -46,22 +37,26 @@ class BookDetailsScreen extends StatelessWidget {
onPressed: () {
Navigator.of(context).push<void>(
MaterialPageRoute<void>(
builder: (context) => AuthorDetailsScreen(
author: book!.author,
onBookTapped: (book) {
GoRouter.of(context).go('/books/all/book/${book.id}');
},
),
builder:
(context) => AuthorDetailsScreen(
author: book!.author,
onBookTapped: (book) {
GoRouter.of(
context,
).go('/books/all/book/${book.id}');
},
),
),
);
},
),
Link(
uri: Uri.parse('/authors/author/${book!.author.id}'),
builder: (context, followLink) => TextButton(
onPressed: followLink,
child: const Text('View author (Link)'),
),
builder:
(context, followLink) => TextButton(
onPressed: followLink,
child: const Text('View author (Link)'),
),
),
],
),

15
navigation_and_routing/lib/src/screens/books.dart
View File

@@ -46,18 +46,9 @@ class _BooksScreenState extends State<BooksScreen>
bottom: TabBar(
controller: _tabController,
tabs: const [
Tab(
text: 'Popular',
icon: Icon(Icons.people),
),
Tab(
text: 'New',
icon: Icon(Icons.new_releases),
),
Tab(
text: 'All',
icon: Icon(Icons.list),
),
Tab(text: 'Popular', icon: Icon(Icons.people)),
Tab(text: 'New', icon: Icon(Icons.new_releases)),
Tab(text: 'All', icon: Icon(Icons.list)),
],
),
),

15
navigation_and_routing/lib/src/screens/scaffold.dart
View File

@@ -30,18 +30,9 @@ class BookstoreScaffold extends StatelessWidget {
if (idx == 2) goRouter.go('/settings');
},
destinations: const [
AdaptiveScaffoldDestination(
title: 'Books',
icon: Icons.book,
),
AdaptiveScaffoldDestination(
title: 'Authors',
icon: Icons.person,
),
AdaptiveScaffoldDestination(
title: 'Settings',
icon: Icons.settings,
),
AdaptiveScaffoldDestination(title: 'Books', icon: Icons.book),
AdaptiveScaffoldDestination(title: 'Authors', icon: Icons.person),
AdaptiveScaffoldDestination(title: 'Settings', icon: Icons.settings),
],
),
);

120
navigation_and_routing/lib/src/screens/settings.dart
View File

@@ -18,81 +18,79 @@ class SettingsScreen extends StatefulWidget {
class _SettingsScreenState extends State<SettingsScreen> {
@override
Widget build(BuildContext context) => Scaffold(
body: SafeArea(
child: SingleChildScrollView(
child: Align(
alignment: Alignment.topCenter,
child: ConstrainedBox(
constraints: const BoxConstraints(maxWidth: 400),
child: const Card(
child: Padding(
padding: EdgeInsets.symmetric(vertical: 18, horizontal: 12),
child: SettingsContent(),
),
),
body: SafeArea(
child: SingleChildScrollView(
child: Align(
alignment: Alignment.topCenter,
child: ConstrainedBox(
constraints: const BoxConstraints(maxWidth: 400),
child: const Card(
child: Padding(
padding: EdgeInsets.symmetric(vertical: 18, horizontal: 12),
child: SettingsContent(),
),
),
),
),
);
),
),
);
}
class SettingsContent extends StatelessWidget {
const SettingsContent({
super.key,
});
const SettingsContent({super.key});
@override
Widget build(BuildContext context) => Column(
children: [
...[
Text(
'Settings',
style: Theme.of(context).textTheme.headlineMedium,
),
FilledButton(
onPressed: () {
BookstoreAuth.of(context).signOut();
},
child: const Text('Sign out'),
),
const Text('Example using the Link widget:'),
Link(
uri: Uri.parse('/books/all/book/0'),
builder: (context, followLink) => TextButton(
children: [
...[
Text('Settings', style: Theme.of(context).textTheme.headlineMedium),
FilledButton(
onPressed: () {
BookstoreAuth.of(context).signOut();
},
child: const Text('Sign out'),
),
const Text('Example using the Link widget:'),
Link(
uri: Uri.parse('/books/all/book/0'),
builder:
(context, followLink) => TextButton(
onPressed: followLink,
child: const Text('/books/all/book/0'),
),
),
const Text('Example using GoRouter.of(context).go():'),
TextButton(
child: const Text('/books/all/book/0'),
onPressed: () {
GoRouter.of(context).go('/books/all/book/0');
},
),
].map((w) => Padding(padding: const EdgeInsets.all(8), child: w)),
const Text('Displays a dialog on the root Navigator:'),
TextButton(
onPressed: () => showDialog<String>(
),
const Text('Example using GoRouter.of(context).go():'),
TextButton(
child: const Text('/books/all/book/0'),
onPressed: () {
GoRouter.of(context).go('/books/all/book/0');
},
),
].map((w) => Padding(padding: const EdgeInsets.all(8), child: w)),
const Text('Displays a dialog on the root Navigator:'),
TextButton(
onPressed:
() => showDialog<String>(
context: context,
builder: (context) => AlertDialog(
title: const Text('Alert!'),
content: const Text('The alert description goes here.'),
actions: [
TextButton(
onPressed: () => Navigator.pop(context, 'Cancel'),
child: const Text('Cancel'),
builder:
(context) => AlertDialog(
title: const Text('Alert!'),
content: const Text('The alert description goes here.'),
actions: [
TextButton(
onPressed: () => Navigator.pop(context, 'Cancel'),
child: const Text('Cancel'),
),
TextButton(
onPressed: () => Navigator.pop(context, 'OK'),
child: const Text('OK'),
),
],
),
TextButton(
onPressed: () => Navigator.pop(context, 'OK'),
child: const Text('OK'),
),
],
),
),
child: const Text('Show Dialog'),
)
],
);
child: const Text('Show Dialog'),
),
],
);
}

78
navigation_and_routing/lib/src/screens/sign_in.dart
View File

@@ -14,10 +14,7 @@ class Credentials {
class SignInScreen extends StatefulWidget {
final ValueChanged<Credentials> onSignIn;
const SignInScreen({
required this.onSignIn,
super.key,
});
const SignInScreen({required this.onSignIn, super.key});
@override
State<SignInScreen> createState() => _SignInScreenState();
@@ -29,41 +26,46 @@ class _SignInScreenState extends State<SignInScreen> {
@override
Widget build(BuildContext context) => Scaffold(
body: Center(
child: Card(
child: Container(
constraints: BoxConstraints.loose(const Size(600, 600)),
padding: const EdgeInsets.all(8),
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
mainAxisSize: MainAxisSize.min,
children: [
Text('Sign in',
style: Theme.of(context).textTheme.headlineMedium),
TextField(
decoration: const InputDecoration(labelText: 'Username'),
controller: _usernameController,
),
TextField(
decoration: const InputDecoration(labelText: 'Password'),
obscureText: true,
controller: _passwordController,
),
Padding(
padding: const EdgeInsets.all(16),
child: TextButton(
onPressed: () async {
widget.onSignIn(Credentials(
_usernameController.value.text,
_passwordController.value.text));
},
child: const Text('Sign in'),
),
),
],
body: Center(
child: Card(
child: Container(
constraints: BoxConstraints.loose(const Size(600, 600)),
padding: const EdgeInsets.all(8),
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
mainAxisSize: MainAxisSize.min,
children: [
Text(
'Sign in',
style: Theme.of(context).textTheme.headlineMedium,
),
),
TextField(
decoration: const InputDecoration(labelText: 'Username'),
controller: _usernameController,
),
TextField(
decoration: const InputDecoration(labelText: 'Password'),
obscureText: true,
controller: _passwordController,
),
Padding(
padding: const EdgeInsets.all(16),
child: TextButton(
onPressed: () async {
widget.onSignIn(
Credentials(
_usernameController.value.text,
_passwordController.value.text,
),
);
},
child: const Text('Sign in'),
),
),
],
),
),
);
),
),
);
}