Flutter带进度边框按钮插件progress_border_button的使用

Flutter 带进度边框按钮插件 progress_border_button 的使用

概述

progress_border_button 是一个用于创建具有进度条边框按钮的 Flutter 包。它支持矩形和圆角矩形的边框样式。

使用方法

该插件非常简单易用，以下是一个完整的示例，展示了如何在 Flutter 应用中使用 progress_border_button。

完整示例代码

import 'dart:math';

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

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

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

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

  final String title;

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

class _MyHomePageState extends State<MyHomePage> {
  final int _duration = 10; // 进度持续时间（秒）
  late GlobalKey _progressButtonKey;

  [@override](/user/override)
  void initState() {
    _progressButtonKey = GlobalKey();
    super.initState();
  }

  [@override](/user/override)
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: Text(widget.title),
      ),
      body: Center(
        child: Column(
          mainAxisAlignment: MainAxisAlignment.center,
          children: [
            ProgressBorderButton(
              key: _progressButtonKey,
              duration: _duration, // 设置进度持续时间
              size: Size(200, 100), // 设置按钮大小
              hasRadius: true, // 是否启用圆角
              borderColor: const Color(0xFFFEDBFD), // 设置边框颜色
              onTimeEnd: () {
                print('on time end'); // 进度结束时的回调
              },
              childBuild: (context, double progress) {
                int remainTime = _duration - (_duration * progress).toInt(); // 计算剩余时间
                return Container(
                  width: 104,
                  height: 48,
                  alignment: AlignmentDirectional.center,
                  child: GestureDetector(
                    onTap: () {
                      print('tap button'); // 点击按钮时的回调
                    },
                    child: Container(
                      width: 94,
                      height: 40,
                      alignment: AlignmentDirectional.center,
                      decoration: BoxDecoration(
                        image: DecorationImage(
                          image: AssetImage('images/btn_action.png'), // 背景图片
                          fit: BoxFit.fill,
                        ),
                        borderRadius: BorderRadius.circular(20), // 圆角半径
                        border: Border.all(color: const Color(0xFFFEDBFD), width: 3), // 边框宽度和颜色
                        color: const Color(0xFFEEBAFF), // 背景色
                      ),
                      child: Text('${max(remainTime, 0)}', // 显示剩余时间
                          style: TextStyle(color: Colors.white, fontSize: 20, fontWeight: FontWeight.w500)),
                    ),
                  ),
                );
              },
            ),
          ],
        ),
      ),

      floatingActionButton: FloatingActionButton(
        onPressed: _start, // 启动进度按钮
        tooltip: 'Increment',
        child: Icon(Icons.add),
      ),
    );
  }

  void _start() {
    ProgressBorderButtonState progressBorderButtonState = _progressButtonKey.currentState as ProgressBorderButtonState;
    progressBorderButtonState.start(); // 开始进度
  }
}