import 'package:flutter/material.dart'; import '../util/router_util.dart'; class AppbarBackBtnComponent extends StatefulWidget { @override State createState() { return _AppbarBackBtnComponent(); } } class _AppbarBackBtnComponent extends State { @override Widget build(BuildContext context) { var themeData = Theme.of(context); return GestureDetector( onTap: () { RouterUtil.back(context); }, child: Icon( Icons.arrow_back_ios, color: themeData.appBarTheme.titleTextStyle!.color, ), ); } }