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7100df24f6
Add carousel view builder named constructor Fixes: #170692 ## 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]. - [x] I listed at least one issue that this PR fixes in the description above. - [x] 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.
57 lines
1.6 KiB
Dart
57 lines
1.6 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 [CarouselView.builder].
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void main() => runApp(const CarouselBuilderExampleApp());
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class CarouselBuilderExampleApp extends StatelessWidget {
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const CarouselBuilderExampleApp({super.key});
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@override
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Widget build(BuildContext context) {
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return MaterialApp(
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debugShowCheckedModeBanner: false,
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home: Scaffold(
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appBar: AppBar(title: const Text('CarouselView.builder Sample')),
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body: const CarouselBuilderExample(),
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),
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);
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}
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}
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class CarouselBuilderExample extends StatelessWidget {
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const CarouselBuilderExample({super.key});
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@override
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Widget build(BuildContext context) {
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return Center(
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child: ConstrainedBox(
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constraints: const BoxConstraints(maxHeight: 200),
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child: CarouselView.builder(
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itemExtent: 350,
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itemCount: 1000,
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itemBuilder: (BuildContext context, int index) {
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return ColoredBox(
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color: Colors.primaries[index % Colors.primaries.length],
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child: Center(
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child: Text(
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'Item $index',
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style: const TextStyle(
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color: Colors.white,
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fontSize: 24,
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fontWeight: FontWeight.bold,
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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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}
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