Hi, Filiz. Are you sure you're using Swift 4 and not the Swift 3 compatibility
mode? 'defaultCalendarForNewEvents' was marked non-optional in Swift 3 by
accident and that was fixed in Swift 4.
Jordan
> On Jan 10, 2018, at 08:59, Filiz Kurban via swift-users
> <swift-users@swift.org> wrote:
>
> Hello,
>
> I'm adding a new functionality in my app, which is the ability to add an
> event in the default calendar set up on the phone. In the implementation, I
> get the permission and am ready to add the event. I check to see if there is
> an actual default calendar through the use of optional binding, but I get the
> error:
>
> Initializer for conditional binding must have Optional type, not 'EKCalendar'
>
> Now, defaultCalendarForNewEvents is an Optional (see declaration below) and
> it should be perfectly fine to use optional binding to check if it's nil or
> not. What am I missing?
>
> defaultCalendarForNewEvents definition in EKEventStore.h:
>
> open var defaultCalendarForNewEvents: EKCalendar? { get }
>
> I'm using Swift 4 on iOS11.2
>
> if let defaultCalendar = eventStore.defaultCalendarForNewEvents { <-- error
> line
> newEvent.title = "Some Event Name"
> newEvent.startDate = Date()
> newEvent.endDate = Date()
> }
>
> Thank you for your help in advance.
>
>
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