摘要：
class List extends StatelessWidget { const List({Key? key}) : super(key: key); @override Widget build(BuildContext context) { return ListView( padding 阅读全文
摘要：
import 'package:flutter/material.dart'; void main() => runApp(const MyApp()); class MyApp extends StatelessWidget { const MyApp({Key? key}) : super(ke 阅读全文
摘要：
1.Prefer const with constant constructors. 解决: 在前面加上const 阅读全文