Refresh

  Future<void> _refreshData() async {

    user = await SpecificWant().getUserByIdfromFb(user!.id);
    setState((){
          print(user?.userName);
    });


   body: RefreshIndicator(
        onRefresh: _refreshData,
        child: CustomScrollView(
          slivers: <Widget>[
            TopBoard(user: user,),
            SliverList(
              delegate: SliverChildBuilderDelegate((BuildContext context, int index) {
                  if (index > 0) return nul