public double GetResult(ConvertorModel convertor, string prevUnit, string example, string newUnit)
        {
            double result    = 0;
            double prevValue = double.Parse(example);

            // Vyber co se bude prevadet dle nazvu
            if (convertor.Name.Equals("Délka"))
            {
                result = GetLengthResult(prevUnit, prevValue, newUnit);
            }
            else if (convertor.Name.Equals("Hmotnost"))
            {
                result = GetWeightResult(prevUnit, prevValue, newUnit);
            }
            else if (convertor.Name.Equals("Teplota"))
            {
                result = GetTemperatureResult(prevUnit, prevValue, newUnit);
            }
            else if (convertor.Name.Equals("Rychlost"))
            {
                result = GetSpeedResult(prevUnit, prevValue, newUnit);
            }
            else if (convertor.Name.Equals("Plocha"))
            {
                result = GetAreaResult(prevUnit, prevValue, newUnit);
            }
            else if (convertor.Name.Equals("Čas"))
            {
                result = GetTimeResult(prevUnit, prevValue, newUnit);
            }

            return(result);
        }
 public ConvertorDetailPage(ConvertorModel convertorDetail)
 {
     InitializeComponent();
     if (Device.OS == TargetPlatform.Windows)
     {
         NavigationPage.SetHasNavigationBar(this, false);
     }
     Example                   = 0.ToString();
     CheckTheNull              = 1;
     Title                     = convertorDetail.Name;
     PickerList.ItemsSource    = convertorDetail.Unit;
     PickerList.SelectedIndex  = convertorDetail.DefaultValue;
     PickerList1.ItemsSource   = convertorDetail.Unit;
     PickerList1.SelectedIndex = convertorDetail.DefaultValue;;
     convertor                 = convertorDetail;
 }