public async void Init(MedicationDosageNavigation nav)
        {
            if (nav.MedicationDosageId != MedicationDosageNavigation.NewRecord)
            {
                isNew = false;
                Data.MedicationDosage item = await storage.GetAsync <Data.MedicationDosage>(nav.MedicationDosageId);

                Id               = item.Id;
                MedicationName   = item.Name;
                MedicationDosage = item.Dosage;
                Monday           = item.Days.HasFlag(DaysOfWeek.Monday);
                Tuesday          = item.Days.HasFlag(DaysOfWeek.Tuesday);
                Wednesday        = item.Days.HasFlag(DaysOfWeek.Wednesday);
                Thursday         = item.Days.HasFlag(DaysOfWeek.Thursday);
                Friday           = item.Days.HasFlag(DaysOfWeek.Friday);
                Saturday         = item.Days.HasFlag(DaysOfWeek.Saturday);
                Sunday           = item.Days.HasFlag(DaysOfWeek.Sunday);
                DosageHours      = new RxUI.ReactiveList <TimeSpan>(item.DosageHours);

                if (!string.IsNullOrEmpty(item.ImageName))
                {
                    Bytes = imageLoader.LoadImage(item.ImageName);
                }
            }
            else
            {
                isNew = true;
            }
        }
        public async void Init(MedicationDosageNavigation nav)
        {
            if (nav.MedicationDosageId != MedicationDosageNavigation.NewRecord)
            {
                isNew = false;
                MedicationDosage item = await storage.GetAsync <Data.MedicationDosage>(nav.MedicationDosageId);

                Id               = item.Id;
                MedicationName   = item.Name;
                StartDate        = item.From;
                EndDate          = item.To;
                MedicationDosage = item.Dosage;
                Monday           = item.Days.HasFlag(DaysOfWeek.Monday);
                Tuesday          = item.Days.HasFlag(DaysOfWeek.Tuesday);
                Wednesday        = item.Days.HasFlag(DaysOfWeek.Wednesday);
                Thursday         = item.Days.HasFlag(DaysOfWeek.Thursday);
                Friday           = item.Days.HasFlag(DaysOfWeek.Friday);
                Saturday         = item.Days.HasFlag(DaysOfWeek.Saturday);
                Sunday           = item.Days.HasFlag(DaysOfWeek.Sunday);
                DosageHours      = new List <TimeSpan>(item.DosageHours);
                HoursLabel       = item.Hours;
                RingUri          = item.RingUri;

                if (!string.IsNullOrEmpty(item.ImageName))
                {
                    Bytes = imageLoader.LoadImage(item.ImageName);
                }
            }
            else
            {
                isNew = true;
                selectAllDays();
            }
            loadSettings();
        }