import 'package:flutter_ics_homescreen/export.dart'; enum MediaNavState { media, fm, am, xm } class MediaNavStateNotifier extends Notifier<MediaNavState> { @override MediaNavState build() { return MediaNavState.media; } set(MediaNavState value) { state = value; } } final mediaNavStateProvider = NotifierProvider<MediaNavStateNotifier, MediaNavState>( MediaNavStateNotifier.new);