Flutter水平特色列表展示插件flutter_horizontal_featured_list的使用

Flutter水平特色列表展示插件flutter_horizontal_featured_list的使用

A Flutter package to create Horizontal Featured List. 它帮助你在开发过程中节省时间,特别是在处理许多相同的设计时。它将有助于你的应用变得更加出色。

Demo

示例

以下是使用flutter_horizontal_featured_list包创建水平特色列表的基本示例:

import 'dart:math' as math;
import 'package:flutter/material.dart';
import 'package:flutter_horizontal_featured_list/flutter_horizontal_featured_list.dart';

void main() => runApp(MyApp());

class MyApp extends StatefulWidget {
  @override
  _MyAppState createState() => _MyAppState();
}

class _MyAppState extends State<MyApp> {
  // 生成20种随机颜色
  List<Color> colors = List.generate(20, (index) => randomColor());

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Example',
      theme: ThemeData(
        primarySwatch: Colors.blue,
      ),
      home: Scaffold(
        appBar: AppBar(
          title: Text('Example'),
        ),
        backgroundColor: Colors.white,
        body: Center(
          child: HorizontalFeaturedList(
            // 为每个项目设置颜色
            itemColorBuilder: (context, index) => colors[index],
            // 设置项目的数量
            itemCount: colors.length,
            // 创建每个项目的UI
            itemBuilder: (BuildContext context, int index) {
              return Column(
                children: [
                  Row(
                    children: <Widget>[
                      // 显示图标
                      Icon(
                        Icons.face,
                        size: 24,
                        color: Colors.black45,
                      ),
                      // 扩展区域以容纳文本
                      Expanded(
                        child: Padding(
                          padding: const EdgeInsets.only(left: 8.0),
                          child: Text(
                            '($index) What is Lorem Ipsum?',
                            style: TextStyle(
                              fontSize: 16,
                              fontWeight: FontWeight.w500,
                            ),
                          ),
                        ),
                      ),
                    ],
                  ),
                  // 扩展区域以容纳更多文本
                  Expanded(
                    child: Padding(
                      padding: const EdgeInsets.all(8.0),
                      child: Text(
                        '($index) Lorem Ipsum is simply dummy text of the printing and typesetting industry.',
                        style: TextStyle(
                          fontSize: 12,
                        ),
                      ),
                    ),
                  ),
                ],
              );
            },
            // 按钮点击事件(示例中未实现)
            onPressedItem: () {},
            // “查看所有”按钮点击事件(示例中未实现)
            onPressedSeeAll: () {},
            // 标题文本
            titleText: 'Ongoing Projects',
            // 查看所有按钮的文本
            seeAllText: 'See All',
          ),
        ),
      ),
    );
  }
}

// 生成随机颜色
Color randomColor() {
  var g = math.Random.secure().nextInt(255);
  var b = math.Random.secure().nextInt(255);
  var r = math.Random.secure().nextInt(255);
  return Color.fromARGB(255, r, g, b);
}

开发环境

[✓] Flutter (Channel stable, 2.0.5, on macOS 11.2.3 20D91 darwin-x64, locale en-VN)
    • Flutter version 2.0.5
    • Framework revision adc687823a (11 days ago), 2021-04-16 09:40:20 -0700
    • Engine revision b09f014e96
    • Dart version 2.12.3

[✓] Android toolchain - develop for Android devices (Android SDK version 30.0.3)
    • Platform android-30, build-tools 30.0.3
    • Java binary at: /Applications/Android Studio.app/Contents/jre/jdk/Contents/Home/bin/java
    • Java version OpenJDK Runtime Environment (build 1.8.0_242-release-1644-b3-6915495)
    • All Android licenses accepted.

[✓] Xcode - develop for iOS and macOS
    • Xcode at /Applications/Xcode_12.app/Contents/Developer
    • Xcode 12.4, Build version 12D4e
    • CocoaPods version 1.10.1

[✓] Chrome - develop for the web
    • Chrome at /Applications/Google Chrome.app/Contents/MacOS/Google Chrome

[✓] Android Studio (version 4.1)
    • Android Studio at /Applications/Android Studio.app/Contents
    • Flutter plugin can be installed from:
      🔨 https://plugins.jetbrains.com/plugin/9212-flutter
    • Dart plugin can be installed from:
      🔨 https://plugins.jetbrains.com/plugin/6351-dart
    • Java version OpenJDK Runtime Environment (build 1.8.0_242-release-1644-b3-6915495)

更多关于Flutter水平特色列表展示插件flutter_horizontal_featured_list的使用的实战教程也可以访问 https://www.itying.com/category-92-b0.html

1 回复

更多关于Flutter水平特色列表展示插件flutter_horizontal_featured_list的使用的实战系列教程也可以访问 https://www.itying.com/category-92-b0.html


当然,以下是如何在Flutter项目中使用flutter_horizontal_featured_list插件来展示水平特色列表的示例代码。这个插件可以帮助你创建一个可滚动的水平列表,非常适合用于展示特色项目或产品。

首先,确保你已经在pubspec.yaml文件中添加了flutter_horizontal_featured_list插件的依赖:

dependencies:
  flutter:
    sdk: flutter
  flutter_horizontal_featured_list: ^最新版本号  # 请替换为最新版本号

然后,运行flutter pub get来安装依赖。

接下来,在你的Flutter项目中,你可以按照以下方式使用flutter_horizontal_featured_list插件:

import 'package:flutter/material.dart';
import 'package:flutter_horizontal_featured_list/flutter_horizontal_featured_list.dart';

void main() {
  runApp(MyApp());
}

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Flutter Horizontal Featured List Demo',
      theme: ThemeData(
        primarySwatch: Colors.blue,
      ),
      home: HomeScreen(),
    );
  }
}

class HomeScreen extends StatelessWidget {
  final List<FeaturedItem> featuredItems = [
    FeaturedItem(
      image: 'https://example.com/image1.jpg', // 替换为实际图片URL
      title: 'Item 1',
      description: 'Description for item 1',
    ),
    FeaturedItem(
      image: 'https://example.com/image2.jpg', // 替换为实际图片URL
      title: 'Item 2',
      description: 'Description for item 2',
    ),
    // 添加更多项目...
  ];

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: Text('Horizontal Featured List'),
      ),
      body: Padding(
        padding: const EdgeInsets.all(16.0),
        child: HorizontalFeaturedList(
          featuredItems: featuredItems,
          onItemClick: (index) {
            // 单击项目时的回调,可以在这里处理点击事件
            print('Item clicked: $index');
            // 例如,可以导航到另一个页面
            // Navigator.push(context, MaterialPageRoute(builder: (context) => DetailScreen(item: featuredItems[index])));
          },
        ),
      ),
    );
  }
}

// FeaturedItem类定义,根据插件的API可能需要调整
class FeaturedItem {
  String image;
  String title;
  String description;

  FeaturedItem({required this.image, required this.title, required this.description});
}

在这个示例中,我们创建了一个简单的Flutter应用,其中包含一个水平特色列表。HorizontalFeaturedList组件接受一个featuredItems列表,每个项目都是一个FeaturedItem对象,包含图像URL、标题和描述。当用户点击某个项目时,onItemClick回调函数会被调用,你可以在这里处理点击事件,比如导航到另一个页面。

请注意,FeaturedItem类的定义可能需要根据flutter_horizontal_featured_list插件的实际API进行调整。另外,如果插件需要额外的配置或方法,请参考其官方文档。

希望这个示例能帮助你成功地在Flutter项目中集成和使用flutter_horizontal_featured_list插件!

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