How To Create Smooth Star Rating Using Flutter Android App

dependencies:
  flutter:
    sdk: flutter
  smooth_star_rating: ^1.1.1

flutter pub get

import 'package:smooth_star_rating/smooth_star_rating.dart'; 

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

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

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

class _MyAppState extends State<MyApp> {
  var rating = 3.0;

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Rating bar demo',
      theme: ThemeData(
        primarySwatch: Colors.red,
      ),
      debugShowCheckedModeBanner: false,
      home: Scaffold(
        backgroundColor: Colors.black,
        appBar: AppBar(
          title: Text('Smooth Star Rating'),
        ),
        body: Center(
            child: Column(
              children: [
                SizedBox(height: 40,),
                _heading('Smoothe Rating Bar'),
                SmoothStarRating(
                  rating: rating,
                  isReadOnly: false,
                  size: 35,
                  filledIconData: Icons.favorite,
                  halfFilledIconData: Icons.favorite,
                  defaultIconData: Icons.favorite_border,
                  starCount: 8,
                  allowHalfRating: true,
                  spacing: 2.0,
                  onRated: (value) {
                    print("rating value -> $value");
                    // print("rating value dd -> ${value.truncate()}");
                  },
                ),
              ],
            )),
      ),
    );
  }
  Widget _heading(String text) => Column(
    children: [
      Text(
        text,
        style: TextStyle(
          fontWeight: FontWeight.w300,
          fontSize: 24.0,
          color: Colors.white
        ),
      ),
      SizedBox(
        height: 20.0,
      ),
    ],
  );
}