Flutter AnimatedIcon 图标也可以动画

最新推荐文章于 2024-11-20 14:40:14 发布

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最新推荐文章于 2024-11-20 14:40:14 发布 · 1.6k 阅读

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文章标签：

#AnimatedIcon #Flutter #Flutter 图标动画

本文介绍了如何在Flutter应用中使用AnimatedIcon组件，通过动画展示图标的变化过程，提升用户体验。通过实例展示了如何设置动画控制器和控制图标进度。

AnimatedIcon 图标也可以以动画的方式显示。

import 'package:flutter/material.dart';

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

class MyApp extends StatelessWidget {
  // This widget is the root of your application.
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Flutter Demo',
      theme: ThemeData(
        primarySwatch: Colors.blue,
      ),
      home: MyHomePage(),
    );
  }
}

class MyHomePage extends StatefulWidget {
  const MyHomePage({Key? key}) : super(key: key);

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

class _MyHomePageState extends State<MyHomePage>
    with SingleTickerProviderStateMixin {
  late AnimationController _controller;
  @override
  void initState() {
    super.initState();
    _controller = AnimationController(vsync: this)
      ..drive(Tween(begin: 0, end: 1))
      ..duration = Duration(milliseconds: 500);
  }

  @override
  Widget build(BuildContext context) {