I see...

I had been using @dynamic for object types and @synthesize for basic types (such as BOOL and int). It seems I will need to create the accessors then for the basic types as I just tried and @dynamic does not work for those.


Thank you!


On 12/18/2016 10:15, Keary Suska wrote:
On Dec 18, 2016, at 5:50 AM, Frank D. Engel, Jr. <fde...@fjrhome.net> wrote:

My guess is that for some reason the @synthesize methods are not calling 
"willChangeValueForKey" and the like - why would that be the case?  I have 
worked on one or two other Core Data projects and I don't remember having to do this 
before...
With Core Data, you don’t use @synthesize, you use @dynamic. @synthesize will 
not create Core Data-friendly accessors. @dynamic allows the Core Data runtime 
to create the appropriate accessors for you.

Also, in the future, please don’t just say “they aren’t being saved”, even with 
“not using X or Y”. Say exactly how you are persisting as there are at least 
four common persistence methods (Archiving, User Defaults, Document-based, Core 
Data).

HTH,

Keary Suska
Esoteritech, Inc.
"Demystifying technology for your home or business"




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