flutter check if logged in
Future<void> main() async {
WidgetsFlutterBinding.ensureInitialized();
final SharedPreferences prefs = await SharedPreferences.getInstance();
var isLoggedIn = (prefs.getBool('isLoggedIn') == null) ? false : prefs.getBool('isLoggedIn');
runApp(MaterialApp(
debugShowCheckedModeBanner: false,
home: isLoggedIn ? anotherPage() : loginPage(),
));
}if user is logged in or not check flutter
int main(){
runApp( YourApp() )
}
class YourApp extends StatelessWidget{
@override
Widget build(BuildContext context){
return FutureBuilder<FirebaseUser>(
future: FirebaseAuth.instance.currentUser(),
builder: (BuildContext context, AsyncSnapshot<FirebaseUser> snapshot){
if (snapshot.hasData){
FirebaseUser user = snapshot.data; // this is your user instance
/// is because there is user already logged
return MainScreen();
}
/// other way there is no user logged.
return LoginScreen();
}
);
}
}Copyright © 2021 Codeinu
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