public override void ViewDidLoad()
        {
            base.ViewDidLoad();

            var validator = new XForm<UITextField> {
                Inputs = new [] {
                    new XUITextField {
                        Name = I18n.FieldEmail,
                        FieldView = inputEmail,
                        Validators = new [] {
                            new XValidatorRequired {
                                Message = I18n.ValidationRequired
                            }
                        },
                    }
                }
            };

            skipButton.TouchUpInside += (sender, e) => DismissViewController(true, null);

            forgotPasswordButton.TouchUpInside += (sender, e) => {
                if ( validator.Validate() )
                {
                    ShowHud();

                    ServiceProviderUser.Instance.ForgotPassword(
                        inputEmail.Text,
                        result =>
                        {
                            HideHud();
                            DismissViewController(true, null);
                            ShowAlert(I18n.SuccessMessageForgotPassword);
                        },
                        errorMessage =>
                        {
                            HideHud();
                            ShowAlert(errorMessage);
                        }
                    );
                }
                else
                {
                    ShowAlert(string.Join("\n",validator.Errors));
                }
            };
        }
        bool ValidateField(UITextField field)
        {
            validator = new XForm<UITextField> {
                Inputs = new [] {
                    new XUITextField {
                        Name = I18n.FieldPassword,
                        FieldView = field,
                        Validators = new [] {
                            new XValidatorLengthMinimum(5) {
                                Message = I18n.ValidationLengthMinimum
                            }
                        },
                    }
                }
            };

            return validator.Validate();
        }