Flutter动态效果按钮插件wormy_effect_button的使用

平台支持

特性

该插件帮助你创建具有蠕动效果的可拖动小部件。

示例

开始使用

你需要确保在你的Flutter项目中添加依赖项。

dependencies:
  wormy_effect_button: "^0.0.4"

使用方法

以下是一个简单的示例，展示了如何使用WormyEffectButton插件：

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

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

class MyApp extends StatelessWidget {
  const MyApp({Key? key}) : super(key: key);

  [@override](/user/override)
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Flutter Demo',
      theme: ThemeData(
        primarySwatch: Colors.blue,
      ),
      home: const MyHomePage(title: 'Flutter Demo Home Page'),
    );
  }
}

class MyHomePage extends StatefulWidget {
  const MyHomePage({Key? key, required this.title}) : super(key: key);
  final String title;

  [@override](/user/override)
  State<MyHomePage> createState() => _MyHomePageState();
}

class _MyHomePageState extends State<MyHomePage> {
  int _counter = 0;

  void _incrementCounter() {
    setState(() {
      _counter++;
    });
  }

  [@override](/user/override)
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: Text(widget.title),
      ),
      body: Center(
        child: Column(
          mainAxisAlignment: MainAxisAlignment.center,
          children: [
            const Text(
              '你已经点击了按钮多少次:',
            ),
            Text(
              '$_counter',
              style: Theme.of(context).textTheme.headline4,
            ),
          ],
        ),
      ),
      floatingActionButton: WormyEffectButton(
        onPressed: _incrementCounter, // 点击事件函数
        initialOffset: Offset(MediaQuery.of(context).size.width - 60, // 按钮的初始位置
            MediaQuery.of(context).size.height - 60),
        holdPosition: false, // 按钮是否保持在当前位置
        hideUnderlying: true, // 是否隐藏底层控件
        curve: Curves.fastLinearToSlowEaseIn, // 动画曲线
        motionDelay: 250, // 动画延迟时间
        children: [
          Container(
            width: 50,
            height: 50,
            child: const Icon(Icons.camera),
            decoration:
                const BoxDecoration(color: Colors.blue, shape: BoxShape.circle),
          ),
          Container(
            width: 50,
            height: 50,
            child: const Icon(Icons.camera),
            decoration:
                const BoxDecoration(color: Colors.red, shape: BoxShape.circle),
          ),
          Container(
            width: 50,
            height: 50,
            child: const Icon(Icons.camera),
            decoration: const BoxDecoration(
                color: Colors.orange, shape: BoxShape.circle),
          ),
          Container(
            width: 50,
            height: 50,
            child: const Icon(Icons.camera),
            decoration: const BoxDecoration(
                color: Colors.green, shape: BoxShape.circle),
          ),
          Container(
            width: 50,
            height: 50,
            child: const Icon(Icons.camera),
            decoration: const BoxDecoration(
                color: Colors.purple, shape: BoxShape.circle),
          ),
        ],
      ),
    );
  }
}