getUserInfo method
Implementation
Future<List<String>?> getUserInfo() async {
List<String> arrUserInfo = [];
SharedPreferences _preferences = await SharedPreferences.getInstance();
String? firstName = _preferences.getString(first_name);
String? familyName = _preferences.getString(family_name);
String? preferredUsername = _preferences.getString(preferred_username);
String? accessToken = _preferences.getString(access_Token);
arrUserInfo.add(firstName!);
arrUserInfo.add(familyName!);
arrUserInfo.add(preferredUsername!);
arrUserInfo.add(accessToken!);
return arrUserInfo;
}