import 'package:flutter/material.dart'; class AnimatedBar extends StatelessWidget { const AnimatedBar({ Key? key, required this.isActive, }) : super(key: key); final bool isActive; @override Widget build(BuildContext context) { return AnimatedContainer( margin: const EdgeInsets.only(bottom: 2), duration: const Duration(milliseconds: 200), height: 4, width: isActive ? 20 : 0, decoration: const BoxDecoration( color: Color(0xFF1A6B18), borderRadius: BorderRadius.all( Radius.circular(12), )), ); } }