import 'package:auto_route/auto_route.dart'; import 'package:flutter/material.dart'; class ImAdaptiveRoutePrimaryAppBar extends StatelessWidget implements PreferredSizeWidget { const ImAdaptiveRoutePrimaryAppBar({super.key}); @override Widget build(BuildContext context) { return AppBar( leading: BackButton(onPressed: () => context.router.root.maybePop()), ); } @override Size get preferredSize => const Size.fromHeight(kToolbarHeight); }