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Bumps the Dart version to 3.8 across the repo (excluding engine/src/flutter/third_party) and applies formatting updates from Dart 3.8. ## Pre-launch Checklist - [x] I read the [Contributor Guide] and followed the process outlined there for submitting PRs. - [x] I read the [Tree Hygiene] wiki page, which explains my responsibilities. - [x] I read and followed the [Flutter Style Guide], including [Features we expect every widget to implement]. - [x] I signed the [CLA]. - [ ] I listed at least one issue that this PR fixes in the description above. - [ ] I updated/added relevant documentation (doc comments with `///`). - [x] I added new tests to check the change I am making, or this PR is [test-exempt]. - [x] I followed the [breaking change policy] and added [Data Driven Fixes] where supported. - [x] All existing and new tests are passing. If you need help, consider asking for advice on the #hackers-new channel on [Discord]. <!-- Links --> [Contributor Guide]: https://github.com/flutter/flutter/blob/main/docs/contributing/Tree-hygiene.md#overview [Tree Hygiene]: https://github.com/flutter/flutter/blob/main/docs/contributing/Tree-hygiene.md [test-exempt]: https://github.com/flutter/flutter/blob/main/docs/contributing/Tree-hygiene.md#tests [Flutter Style Guide]: https://github.com/flutter/flutter/blob/main/docs/contributing/Style-guide-for-Flutter-repo.md [Features we expect every widget to implement]: https://github.com/flutter/flutter/blob/main/docs/contributing/Style-guide-for-Flutter-repo.md#features-we-expect-every-widget-to-implement [CLA]: https://cla.developers.google.com/ [flutter/tests]: https://github.com/flutter/tests [breaking change policy]: https://github.com/flutter/flutter/blob/main/docs/contributing/Tree-hygiene.md#handling-breaking-changes [Discord]: https://github.com/flutter/flutter/blob/main/docs/contributing/Chat.md [Data Driven Fixes]: https://github.com/flutter/flutter/blob/main/docs/contributing/Data-driven-Fixes.md
48 lines
1.3 KiB
Dart
48 lines
1.3 KiB
Dart
// Copyright 2014 The Flutter Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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import 'package:flutter/material.dart';
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/// Flutter code sample for [Image.errorBuilder].
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void main() => runApp(const ErrorBuilderExampleApp());
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class ErrorBuilderExampleApp extends StatelessWidget {
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const ErrorBuilderExampleApp({super.key});
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@override
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Widget build(BuildContext context) {
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return const MaterialApp(
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home: Scaffold(body: Center(child: ErrorBuilderExample())),
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);
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}
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}
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class ErrorBuilderExample extends StatelessWidget {
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const ErrorBuilderExample({super.key});
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@override
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Widget build(BuildContext context) {
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return DecoratedBox(
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decoration: BoxDecoration(
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color: Colors.white,
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border: Border.all(),
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borderRadius: BorderRadius.circular(20),
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),
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child: Image.network(
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'https://example.does.not.exist/image.jpg',
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errorBuilder: (BuildContext context, Object exception, StackTrace? stackTrace) {
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// Appropriate logging or analytics, e.g.
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// myAnalytics.recordError(
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// 'An error occurred loading "https://example.does.not.exist/image.jpg"',
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// exception,
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// stackTrace,
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// );
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return const Text('😢');
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},
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),
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);
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}
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}
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