Provider Main.dart

Main.dart

import 'package:demo_provider/Account/Account.dart';
import 'package:flutter/material.dart';

import 'package:provider/provider.dart';

import 'PageNotifier/PageNotifier.dart';

GlobalKey<NavigatorState> key = GlobalKey<NavigatorState>();
final GlobalKey<ScaffoldState> scaffoldKey = GlobalKey(); // Create a key
void main() {
  WidgetsFlutterBinding.ensureInitialized();

  runApp(Base());
}

class Base extends StatefulWidget {
  @override
  _BaseState createState() => _BaseState();
}

class _BaseState extends State<Base> {
  @override
  void initState() {
    super.initState();
  }

  @override
  Widget build(BuildContext context) {
    return MultiProvider(
      providers: [
        ChangeNotifierProvider(create: (_) => PageNotifier()),
      ],
      child: MaterialApp(
        debugShowCheckedModeBanner: false,
        title: "Demo",
        theme: ThemeData(
          visualDensity: VisualDensity.adaptivePlatformDensity,
          colorScheme: ColorScheme.fromSwatch(primarySwatch: Colors.blueGrey)
              .copyWith(secondary: Colors.blueGrey[300]),
        ),
        navigatorKey: key,
        home: AccountScreen(),
      ),
    );
  }
}