Exception: Please provide ShowCaseView context

[cgowthamanmca]

@OverRide
void initState() {
bloc = BlocProvider.of(context);
homeBloc = HomeFeedBloc(authenticationBloc: bloc.authenticationBloc);
profileBloc = ProfileBloc();
controller = PageController(initialPage: 0, keepPage: true);
trendBloc = TrendBloc();
affiliatedProductMenuBloc = AffiliatedProductMenuBloc();
super.initState();
WidgetsBinding.instance
.addPostFrameCallback(() => ShowCaseWidget.of(context).startShowCase([
_one,
]));
}
@OverRide
Widget build(BuildContext context) {
return ShowCaseWidget(
builder: Builder(
builder: (context) => Scaffold(
backgroundColor: ColorResource.BLACKF9,
bottomNavigationBar: FABBottomAppBar(
color: ColorResource.BLACKB7,
selectedColor: Colors.black,
notchedShape: CircularNotchedRectangle(),
onTabSelected: (page) {
setState(() {
selectedIndex = page;
});
if (page == 0) {
if (!(homeBloc.state is HomeFeedDataLoadingState))
this.homeBloc.add(HomeFeedRefreshEvent());
}
bloc.add(HomeUserConatinerPageChangeEvent(page));
},
items: [
FABBottomAppBarItem(
iconData: Icons.home,
text: '',
color: selectedIndex == 0
? Colors.black
: ColorResource.BLACKB7),
FABBottomAppBarItem(
iconData: Icons.trending_up,
text: '',
color: selectedIndex == 1
? Colors.black
: ColorResource.BLACKB7),
FABBottomAppBarItem(
iconData: Icons.shopping_basket,
text: '',
color: selectedIndex == 2
? Colors.black
: ColorResource.BLACKB7),
FABBottomAppBarItem(
iconData: Icons.more_horiz,
text: '',
color: selectedIndex == 3
? Colors.black
: ColorResource.BLACKB7),
],
),
floatingActionButtonLocation:
FloatingActionButtonLocation.centerDocked,
floatingActionButton: _buildFabImage(
context), // This trailing comma makes auto-formatting nicer for build methods.
appBar: AppBar(
automaticallyImplyLeading: false,
backgroundColor: Colors.white,
elevation: 0.0,
centerTitle: true,
title: ToolbarTitle(
StringResource.APP_NAME,
font: Font.Yesteryear,
fontSize: 29,
),
actions: [
Image.asset(
ImageConstant.NOTIFICATION,
height: 18,
width: 18,
),
SizedBox(
width: 16,
),
InkWell(
onTap: () {
Navigator.of(context).pushNamed(AppRoutes.viewed_product);
},
child: Image.asset(
ImageConstant.HISTORY,
height: 17,
width: 19,
),
),
SizedBox(
width: 16,
)
],
),
body: WillPopScope(
onWillPop: onWillPop,
child: BlocListener(
bloc: bloc,
listener: (BuildContext context, HomeUserConatinerState state) {
if (state is HomeUserConatinerPageChangeState) {
_controller.animateToPage(bloc.page,
curve: Curves.linear,
duration: Duration(milliseconds: 250));
}
},
child: _buidPage(),
),
),
),
),
);

Widget _buildFabImage(BuildContext context) {
return Showcase(
key: _one,
description: 'Tap to check mail',
child: FloatingActionButton(
onPressed: () {
Navigator.pushNamed(context, AppRoutes.createPost,
arguments: homeBloc);
},
tooltip: 'Increment',
child: Image.asset(ImageConstant.POST_BUTTON),
elevation: 2.0,
));
}

this error:
ShowCaseWidget.of (package:showcaseview/showcase_widget.dart:21:7)
Syncing files to device vivo 1908...
I/flutter ( 6402): #1 _HomeUserContainerState.initState. (package:girlsourced/src/home/user/home_user_container/home_user_container.dart:68:53)
Syncing files to device vivo 1908...
I/flutter ( 6402): #2 SchedulerBinding._invokeFrameCallback
(package:flutter/src/scheduler/binding.dart:1033:15)
Syncing files to device vivo 1908...
I/flutter ( 6402): #3 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:983:9)
Syncing files to device vivo 1908...
I/flutter ( 6402): #4 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:891:5)
Syncing files to device vivo 1908...
I/flutter ( 6402): #5 _rootRun (dart:async/zone.dart:1124:13)
Syncing files to device vivo 1908...
I/flutter ( 6402): #6 _CustomZone.run (dart:async/zone.dart:1021:19)
Syncing files to device vivo 1908...
I/flutter ( 6402): #7 _CustomZone.runGuarded (dart:async/zone.dart:923:7)
Syncing files to device vivo 1908...
I/flutter ( 6402): #8 _invoke (dart:ui/hooks.dart:249:10)
Syncing files to device vivo 1908...
I/flutter ( 6402): #9 _drawFrame (dart:ui/hooks.dart:207:3

[shubham-cueclad]

Write your code in side WidgetsBinding.instance.addPostFrameCallback

WidgetsBinding.instance.addPostFrameCallback((_)async{ ShowCaseWidget.of(context).startShowCase([_one,_two,_three,_four,_five,_six,_seven,_eight,_nine]); });

[cgowthamanmca]

Sorry my side issue please close the issue.Thanks

[simform-solutions]

@cgowthamanmca Closing issue as it was implementation mistake.

[AhmedWagdi1]

what was wrong with ur code? , because I have the same error !!

[vanvixi]

có gì sai với mã của bạn? , vì tôi cũng bị lỗi như vậy !!

me too

[bayuly94]

no solution ?

[vivekprasad99]

I am getting the Same error. what is the Solution ?

[DiegoVega19]

I'm getting the same error in widget testing, what is the solution?