public void setChart()
        {
            List <Microcharts.Entry> entries = new List <Microcharts.Entry>();

            //var selectedDay = calendar.SelectedDate.Value;
            var  selectedDay  = datePicker.Date;
            bool stressedOnly = stressedOnlySwitch.IsToggled;

            filteredMeasurements = GetDailyMeasurements(selectedDay, stressedOnly);
            filteredMeasurements.ForEach(item =>
            {
                var entry = new Microcharts.Entry(item.StressIndex)
                {
                    Color      = item.IsStressed == 1 ? SKColor.Parse("#cc1b08") : SKColor.Parse("#08d854"),
                    Label      = item.Date.ToString("HH:mm"),
                    ValueLabel = item.StressIndex.ToString()
                };
                entries.Add(entry);
            });
            chart.Entries = entries;
            chart.ValueLabelOrientation = Microcharts.Orientation.Horizontal;
            model = ((MeasurementsPageViewModel)BindingContext);
            model.FilteredMeasurementsObj.Clear();
            model.ConcatFiltered(filteredMeasurements);
        }
 //update the ListView
 private void Popup_Closed(object sender, Activities e)
 {
     model = (MeasurementsPageViewModel)BindingContext;
     model.FilteredMeasurementsObj.Clear();
     model.ConcatFiltered(filteredMeasurements);
     if (e != null)
     {
         model.Activities.Add(e.Name);
     }
 }