Re: calendar & repeating events api
Re: calendar & repeating events api
- Subject: Re: calendar & repeating events api
- From: Greg Parker <email@hidden>
- Date: Tue, 16 Feb 2016 18:52:06 -0800
> On Feb 16, 2016, at 6:34 PM, Eric Gorr <email@hidden> wrote:
>
> When setting up a repeating event in Apple’s Calendar application, there is a lot of flexibility. For example, I can specify that an event repeats every month on the 5th Saturday. Of course, not every month has a fifth saturday, so for that month there is no event.
>
> What I am wondering is if there is direct api support for doing these date calculations…can I supply a set of parameters to a function and ask what the next 5th saturday of the month is?
You can use NSDateComponents and NSCalendar to perform this sort of calculation. For example, assuming a Gregorian calendar, you can use an NSDateComponents object with weekday=7 and weekdayOrdinal=5 to represent "fifth Saturday", and use NSCalendar enumerateDatesStartingAfterDate:matchingComponents:options:usingBlock: to find "fifth Saturdays" after some starting date.
--
Greg Parker email@hidden Runtime Wrangler
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