当我打开我的应用程序或在后台运行时，不会调用didChangeAppLifecycleState()并且不会执行打印语句。import'package:flutter/widgets.dart';import'package:flutter/material.dart';voidmain(){runApp(MaterialApp(home:Home(),));}classHomeextendsStatefulWidget{@override_HomeStatecreateState()=>_HomeState();}class_HomeStateextendsStatewithWidg

当我打开我的应用程序或在后台运行时，不会调用didChangeAppLifecycleState()并且不会执行打印语句。import'package:flutter/widgets.dart';import'package:flutter/material.dart';voidmain(){runApp(MaterialApp(home:Home(),));}classHomeextendsStatefulWidget{@override_HomeStatecreateState()=>_HomeState();}class_HomeStateextendsStatewithWidg