import 'package:flutter/material.dart'; class DashedLine extends StatelessWidget { const DashedLine({super.key}); @override Widget build(BuildContext context) { return Padding( padding: const EdgeInsets.symmetric(vertical: 4.0), child: Row( children: List.generate( 400 ~/ 10, (index) => Expanded( child: Container( color: index % 2 == 1 ? Colors.transparent : Colors.grey, height: 1, ), ), ), ), ); } }