import 'package:flutter/material.dart'; import 'package:flutter_screenutil/flutter_screenutil.dart'; class ASCheckBox extends StatefulWidget { final bool value; ASCheckBox({Key key, this.value = false}) : super(key: key); @override _ASCheckBoxState createState() => _ASCheckBoxState(); } class _ASCheckBoxState extends State { @override Widget build(BuildContext context) { return Container( height: 17.w, width: 17.w, alignment: Alignment.center, decoration: BoxDecoration( border: Border.all( color: Color(0xFFD5D5D5), width: 1.w, ), borderRadius: BorderRadius.circular(17.w), ), child: AnimatedContainer( duration: Duration(milliseconds: 300), curve: Curves.fastOutSlowIn, height: widget.value ? 13.w : 5.w, width: widget.value ? 13.w : 5.w, decoration: BoxDecoration( color: Color(0xFFF69A2D).withOpacity(widget.value ? 1 : 0), borderRadius: BorderRadius.circular(13.w), ), ), ); } }