internal static void CheckProfiles(INavigationService navigationService)
        {
            var clients   = App.Settings.ServerConfiguration.ManualLoginClients;
            var loginPage = clients.Contains(ManualLoginCategory.Mobile) ? Constants.Pages.ManualUsernameView : Constants.Pages.ChooseProfileView;

#if WP8
            if (AuthenticationService.Current.IsLoggedIn)
            {
                Services.LockScreenService.Current.Start();
            }
#endif
            // If one exists, then authenticate that user.
            navigationService.NavigateTo(AuthenticationService.Current.IsLoggedIn ? TileService.Current.PinnedPage() : loginPage);
        }