/* * @author lsy * @date 2020/6/4 **/ import 'package:flutter/cupertino.dart'; class ActivePage extends StatefulWidget { Widget child; ActivePage(this.child); @override State<StatefulWidget> createState() { return ActiveState(); } } class ActiveState extends State<ActivePage> with AutomaticKeepAliveClientMixin { @override bool get wantKeepAlive => true; @override Widget build(BuildContext context) { return widget.child; } }