Flutter评分条插件rating_bar_totalxsoftware的使用

使用指南

本项目是一个新的Flutter插件项目，旨在提供一个专门包含Android和/或iOS平台特定实现代码的插件包。

对于开始Flutter开发的帮助，请查看官方文档，该文档提供了教程、示例、移动开发指南以及完整的API引用。

此插件项目是在未指定--platforms标志的情况下生成的，当前不支持任何平台。要添加平台，请在此目录下运行以下命令：

flutter create -t plugin --platforms <platforms> .

你也可以在pubspec.yaml文件中找到如何添加平台的详细说明。

示例代码

以下是使用rating_bar_totalxsoftware插件的一个完整示例：

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

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

class MyApp extends StatelessWidget {
  const MyApp({super.key});

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Flutter Demo',
      theme: ThemeData(primarySwatch: Colors.blue),
      home: const MyHomePage(
        title: 'Rating Bar Demo',
      ),
    );
  }
}

class MyHomePage extends StatefulWidget {
  const MyHomePage({super.key, required this.title});

  final String title;

  @override
  _MyHomePageState createState() => _MyHomePageState();
}

class _MyHomePageState extends State<MyHomePage> {
  // 初始化评分
  double _ratingStar = 0;
  double _ratingStarLong = 0;
  double _ratingSmile = 0;

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(title: Text(widget.title)),
      body: Column(
        mainAxisAlignment: MainAxisAlignment.center,
        children: [
          // 显示当前评分
          Text(
            'Rating : $_ratingStar',
          ),
          const SizedBox(height: 8),
          // 可交互评分条
          RatingBarTotalxsoftware(
            onRatingChanged: (rating) => setState(() => _ratingStar = rating),
            filledIcon: Icons.star,
            emptyIcon: Icons.star_border,
          ),
          const SizedBox(height: 32),
          // 只读评分条
          const Text(
            'Read Only Rating : 3.5',
          ),
          const SizedBox(height: 8),
          RatingBarTotalxsoftware.readOnly(
            initialRating: 3.5,
            isHalfAllowed: true,
            halfFilledIcon: Icons.star_half,
            filledIcon: Icons.star,
            emptyIcon: Icons.star_border,
          ),
          const SizedBox(height: 32),
          // 长评分条
          Text(
            'Rating : $_ratingStarLong',
          ),
          const SizedBox(height: 8),
          RatingBarTotalxsoftware(
            maxRating: 10,
            onRatingChanged: (rating) => setState(() => _ratingStarLong = rating),
            filledIcon: Icons.star,
            emptyIcon: Icons.star_border,
            halfFilledIcon: Icons.star_half,
            isHalfAllowed: true,
            filledColor: Colors.amber,
            size: 36,
          ),
          const SizedBox(height: 32),
          // 笑脸评分条
          Text(
            'Rating : $_ratingSmile',
          ),
          const SizedBox(height: 8),
          RatingBarTotalxsoftware(
            onRatingChanged: (rating) => setState(() => _ratingSmile = rating),
            filledIcon: Icons.sentiment_satisfied,
            emptyIcon: Icons.sentiment_dissatisfied,
            halfFilledIcon: Icons.sentiment_neutral,
            isHalfAllowed: true,
            filledColor: Colors.green,
            emptyColor: Colors.redAccent,
            halfFilledColor: Colors.amberAccent,
            size: 48,
          ),
        ],
      ),
    );
  }
}

代码解释

• 导入库:

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

• 主应用类:

  class MyApp extends StatelessWidget {
    const MyApp({super.key});
  
    @override
    Widget build(BuildContext context) {
      return MaterialApp(
        title: 'Flutter Demo',
        theme: ThemeData(primarySwatch: Colors.blue),
        home: const MyHomePage(
          title: 'Rating Bar Demo',
        ),
      );
    }
  }
  

• 主页面状态类:

  class _MyHomePageState extends State<MyHomePage> {
    double _ratingStar = 0;
    double _ratingStarLong = 0;
    double _ratingSmile = 0;
  
    @override
    Widget build(BuildContext context) {
      return Scaffold(
        appBar: AppBar(title: Text(widget.title)),
        body: Column(
          mainAxisAlignment: MainAxisAlignment.center,
          children: [
            Text('Rating : $_ratingStar'),
            const SizedBox(height: 8),
            RatingBarTotalxsoftware(
              onRatingChanged: (rating) => setState(() => _ratingStar = rating),
              filledIcon: Icons.star,
              emptyIcon: Icons.star_border,
            ),
            // 其他组件...
          ],
        ),
      );
    }
  }