content of my main.dart file

main.dart

// themeData for IOS
final ThemeData kIOSTheme = new ThemeData(
    primarySwatch: materialMainColor,
    primaryColor: mainColor,
    primaryIconTheme: IconThemeData(color: Colors.white),
    primaryColorBrightness: Brightness.light,
    visualDensity: VisualDensity.adaptivePlatformDensity,
    fontFamily: 'JakartaRegular'

);

// themeData for Android
final ThemeData kDefaultTheme = new ThemeData(
    primarySwatch: materialMainColor,
    primaryColor: mainColor,
    accentColor: mainColor,
    primaryIconTheme: IconThemeData(color: Colors.white),
    primaryColorBrightness: Brightness.dark,
    visualDensity: VisualDensity.adaptivePlatformDensity,
    fontFamily: 'JakartaRegular'

);

void main() async {
  WidgetsFlutterBinding.ensureInitialized();

  SystemChrome.setSystemUIOverlayStyle(
      SystemUiOverlayStyle(
        statusBarColor: mainColor, // affects the status bar color.
        statusBarIconBrightness: Brightness.light,
        systemNavigationBarIconBrightness: Brightness.light,
        statusBarBrightness: Brightness.light,
        systemNavigationBarColor: mainColor,
      )
  );
  runApp(
      MultiProvider(providers: [
        ChangeNotifierProvider(create: (context) => LandingProvider()),
        ChangeNotifierProvider(create: (context) => AuthProvider()),
        ChangeNotifierProvider(create: (context) => AddressProvider()),
      ],
        child: MyApp(),
      )
  );

}

class MyApp extends StatelessWidget {
  // This widget is the root of your application.
  @override
  Widget build(BuildContext context) {
    return DismissKeyboard(

      child: GetMaterialApp(
          title: 'VicPharm Customer',
          debugShowCheckedModeBanner: false,
          theme: Platform.isIOS ? kIOSTheme : kDefaultTheme, // check which platform theme to use
          home: SplashScreen()
      ),
    );
  }
}