Fixed data late to display

Future<void> getUserInfo() async {

    final SharedPreferences prefs = await SharedPreferences.getInstance();

    patientName = prefs.getString(prefPatientName);

    patientContact = prefs.getString(prefPatientEmail);

    patientPhoto = prefs.getString(prefUserPhoto);

    nameController = TextEditingController(text: patientName);

    contactController = TextEditingController(text: patientContact);

  }

@override

  void initState() {

    getUserInfo().then((value) {

      setState(() {

        isLoading = false;

      });

    });

    super.initState();

  }