ios - Swift : Checking if 2 NSDates are the same -


really simple one, sure bug in swift. trying check if 2 nsdates same. statement never passes thought printout below 

println("\(statistics.startdate) \(healthobject.date)")  if healthobject.date.isequaltodate(statistics.startdate)  {       healthobject.flights =  int(quantity.doublevalueforunit(hkunit.countunit()))       println(int(quantity.doublevalueforunit(hkunit.countunit()))) }

2015-03-30 13:56:50 +0000 2015-03-30 13:56:50 +0000

2015-03-30 13:56:50 +0000 2015-03-31 13:56:50 +0000

2015-03-31 13:56:50 +0000 2015-03-30 13:56:50 +0000

2015-03-31 13:56:50 +0000 2015-03-31 13:56:50 +0000

solution pointed out 1 awesome people replied, dates same until sub second level. odd part is, these values coming healthkit

what works me in ios8 is:

   if let dif = calender?.comparedate(statistics.startdate, todate: healthobject.date, tounitgranularity: nscalendarunit.secondcalendarunit)    {       println(int(quantity.doublevalueforunit(hkunit.countunit())))       println("\(statistics.startdate) \(healthobject.date)")       healthobject.flights =  int(quantity.doublevalueforunit(hkunit.countunit()))     }

the simplest way check if dates equal use nsdate.isequaltodate() method.

or

nscalendar.currentcalendar().comparedate(date1, todate: date2, tounitgranularity: nscalendarunit.calendarunitsecond)

if using quite bit of date arithmetic check this library.


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