实现APP首页tabbar滚动吸顶功能首页代码：WillPopScope(child:Scaffold(backgroundColor:Colors.white,appBar:PreferredSize(preferredSize:Size(double.infinity,0.w),child:AppBar(backgroundColor:Colors.transparent,shadowColor:Colors.transparent,elevation:0,title:constText(""),),),body:NestedScrollView(controller:scrollCont

实现APP首页tabbar滚动吸顶功能首页代码：WillPopScope(child:Scaffold(backgroundColor:Colors.white,appBar:PreferredSize(preferredSize:Size(double.infinity,0.w),child:AppBar(backgroundColor:Colors.transparent,shadowColor:Colors.transparent,elevation:0,title:constText(""),),),body:NestedScrollView(controller:scrollCont