gistfile1.cs

        //clean but don't work
        public AuthorizationService(
            IPhotoClient photoClient,
            IClientConfiguration configuration,
            IMvxNavigationService navigationService,
            UserInfo userInfo,
            
            IFingerprint fingerprint, // bad boy
            
            )
        {
            _photoClient = photoClient;
            _configuration = configuration;
            _navigationService = navigationService;
            _userInfo = userInfo;
            
            _fingerprint = fingerprint;            
            
        }