flutter 斜线进度条_flutter 画斜线-CSDN博客

本文链接：https://blog.csdn.net/csdnwr/article/details/107831311

本文将介绍如何在Flutter中创建一款独特的斜线样式进度条，通过自定义Painting类和Widget，结合Canvas绘制，实现动态变化的效果，适用于各种界面设计需求。

摘要生成于 C知道，由 DeepSeek-R1 满血版支持，前往体验 >

import 'dart:async';

import 'package:flutter/material.dart';
import 'package:flutterapp/line_scale_indicator.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,
        visualDensity: VisualDensity.adaptivePlatformDensity,
      ),
      home: MyHomePage(title: 'Flutter Demo Home Page'),
    );
  }
}

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

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

class _MyHomePageState extends State<MyHomePage> {
  int progress = 0;
  Timer timer;

  @override
  void initState() {
    super.initState();
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: Text(widget.title),
      ),
      body: Center(
        child: Column(
          mainAxisAlignment: MainAxisAlignment.center,
          children: <Widget>[
            Stack(
              children: <Widget>[
                Contai