anchor.diff:  
   Future<bool> isFirstRun() async {
     final prefs = await SharedPreferences.getInstance();
  -  showOnboardingScreen = (prefs.getBool('showOnboardingScreen') ?? false);
     return (prefs.getBool('first_run') ?? true);
   }
   
   void setFirstRun() async {
     final prefs = await SharedPreferences.getInstance();
     prefs.setBool('first_run', false);
  -  prefs.setBool('showOnboardingScreen', true);
  -  showOnboardingScreen = true;
  +  isFirstRunFlag = true;
   }
   
   class CampusMobile extends StatelessWidget {
  
positive.code: void initializeStorage() async {
    /// initialize hive storage
    await Hive.initFlutter('.');
  
    if (await isFirstRun()) {
      FlutterSecureStorage storage = FlutterSecureStorage();
  
      /// open all boxes
  
negative.code: import 'package:provider/provider.dart';
  import 'package:shared_preferences/shared_preferences.dart';
  
  bool isFirstRunFlag = false;
  void main() async {
    WidgetsFlutterBinding.ensureInitialized();
  
  