Go back to login when logged out from the drawer, no matter what - flutter

Question

I need to redirect user to login page when he clicks on logout button from drawer (wherever he is). The problem is that when I click on the logout button, the screen remains the same.
According to this post: Flutter provider state management, logout concept
I have:
void main() async {
runApp(
MultiProvider(
providers: [
ChangeNotifierProvider<Profile>(
create: (final BuildContext context) {
return Profile();
},
)
],
child: MyApp(),
),
);
}
MyApp:
class _MyAppState extends State<MyApp> {
#override
void initState() {
super.initState();
initPlatformState();
}
/// Platform messages are asynchronous, so we initialize in an async method.
Future<void> initPlatformState() async {
if (!mounted) return;
}
#override
Widget build(BuildContext context) {
return new MaterialApp(
initialRoute: '/',
navigatorKey: navigatorKey,
// ...
home: Consumer<Profile>(
builder: (context, profile, child){
return profile.isAuthenticated ? SplashScreen() : AuthScreen();
}
)
);
}
}
The part of the drawer where there is the logout button:
ListTile(
leading: Icon(Icons.logout),
title: Text(AppLocalizations.of(context)!.logout),
onTap: () async {
SharedPreferences preferences =
await SharedPreferences.getInstance();
await preferences.clear();
final Profile profile =
Provider.of<Profile>(context, listen: false);
profile.isAuthenticated = false;
}),
As I said, when I click on the logout button from the drawer, the user is correctly logged out, but the screen remains the same.
UPDATE
This is the profile class:
class Profile with ChangeNotifier {
bool _isAuthenticated = false;
bool get isAuthenticated {
return this._isAuthenticated;
}
set isAuthenticated(bool newVal) {
this._isAuthenticated = newVal;
this.notifyListeners();
}
}

Answer 1

I think you are using provider class incorrectly.
use your profile class like this.
class Profile with ChangeNotifier {
bool _isAuthenticated = true;
bool get getIsAuthenticated => _isAuthenticated;
set setIsAuthenticated(bool isAuthenticated) {
_isAuthenticated = isAuthenticated;
notifyListeners();//you must call this method to inform lisners
}
}
in set method call notifyListners();
in your listTile
replace profile.isAuthenticated = false to profile.isAuthenticated = false;
Always use getters and setters for best practice.
I hope this is what you were looking for.

Answer 2

Add Navigator.of(context).pushReplacementNamed("/routeName") in LogOut onTap() Section.
For more information : https://api.flutter.dev/flutter/widgets/Navigator/pushReplacementNamed.html
Make sure to have logout route set in MyApp file, and i'd edit logout button file as such:
ListTile(
leading: Icon(Icons.logout),
title: Text(AppLocalizations.of(context)!.logout),
onTap: () async {
SharedPreferences preferences =
await SharedPreferences.getInstance();
await preferences.clear();
final Profile profile =
Provider.of<Profile>(context, listen: false);
profile.isAuthenticated = false;
// add login file route here using Navigator.pushReplacementNamed() ;
}),

Answer 3

Navigator push named -> logout route?