ios - Is there any way to create hourly RecurrenceRule? -

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i have ekevent occurs every 4 hours, , want create single recurring event.

unfortunately available frequencies in ekrecurrencerule class daily, weekly, monthly, , yearly.

how can set hourly frequency ekrecurrencerule object ?

unfortunately there no way make hourly events using ekrecurrencerule objects, can still write method same. 

    func createhourlyrecurringevent(eventtitle: string, startdate: nsdate, enddate: nsdate, endreccurencedate: nsdate, allday : bool, recurrencesecondsinterval: double, alarms: [ekalarm]? , traveltime: int?) {      var eventstartdate = startdate     var eventenddate = enddate      while eventstartdate.earlierdate(endreccurencedate) != endreccurencedate  {         let event = ekevent(eventstore: self.eventstore)          event.title = eventtitle         event.startdate = eventstartdate         event.enddate = eventenddate         event.allday = allday         event.alarms = alarms         event.calendar = eventstore.defaultcalendarfornewevents          if let traveltime = traveltime {             event.setvalue(traveltime, forkey: "traveltime")         }          {             try eventstore.saveevent(event, span: .thisevent)             print("hourly event created)")             print("start date: \(formatter.stringfromdate(event.startdate)")             print("end date: \(formatter.stringfromdate(event.enddate))")         } catch {             print("event failed save")         }         eventstartdate = nsdate(timeinterval: recurrencesecondsinterval, sincedate: event.startdate)         eventenddate = nsdate(timeinterval: recurrencesecondsinterval, sincedate: event.enddate)     } }

this code sits inside schedule class. after creating instance of schedule can create hourly recurring event this:

 let startdate = nsdate()  let enddate = nsdate(timeinterval: 10800, sincedate: startdate)  let oneweekinseconds = 604800.0  let endrecurrencedate = nsdate(timeinterval: oneweekinseconds, sincedate: nsdate())  let fourhours = 14400.0  schedule!.createhourlyrecurringevent("testing",                                          startdate: startdate,                                          enddate: enddate,                                          endreccurencedate: endrecurrencedate,                                          allday: false,                                          recurrencesecondsinterval: fourhours,                                          alarms: nil,                                          traveltime: nil)

deleting individual events simple, so: 

    func deleteevent(eventtoremove: ekevent) -> bool {     var successful = false         {             print("deleting single event")             try self.eventstore.removeevent(eventtoremove, span: .thisevent)             successful = true         } catch {             print("bad things happened")         }      return successful }

i've yet find way batch delete events because have different unique ids. ill update post when find way.


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