/// <summary>
        /// Gets the leave parameters.
        /// </summary>
        /// <param name="userId">The user identifier.</param>
        private async void GetLeaveParams(string userId)
        {
            if (ApplicationData.LeaveParameters == null)
            {
                ApplicationData.LeaveParameters = await leaveRequestRepository.RetrieveLeave(ApplicationData.User.Token, userId);
            }

            leaveParams = ApplicationData.LeaveParameters;
            var leaveTypes = new List<TypeInfo>(leaveParams.DayTypes);
            fromDayTypeListPicker.ItemsSource = leaveTypes;
            toDayTypeListPicker.ItemsSource = leaveTypes;
            dayTypesInitialized = true;
        }
        /// <summary>
        /// Gets the leave parameters.
        /// </summary>
        /// <param name="userId">The user unique identifier.</param>
        private async void GetLeaveParams(string userId)
        {
            if (ApplicationData.LeaveParameters == null)
            {
                ApplicationData.LeaveParameters = await leaveRequestRepository.RetrieveLeave(ApplicationData.User.Token, userId);
            }

            leaveParams = ApplicationData.LeaveParameters;
            var spinnerArrayAdapter = new SpinnerAdapter(this, Android.Resource.Layout.SimpleSpinnerItem, leaveParams.DayTypes);
            spinnerArrayAdapter.SetDropDownViewResource(Android.Resource.Layout.SimpleSpinnerDropDownItem);
            fromSpinner.Adapter = toSpinner.Adapter = spinnerArrayAdapter;
        }