June 2016
Intermediate to advanced
214 pages
5h 40m
English
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Other Interface Elements That Use KVO, KVC, and Core Data
Although the previous sections show how to access the Core Data repository in our recipe application with KVO and KVC, let’s quickly review the other elements that, if we wanted or needed to, could be utilized to display the data in our application as well.
NSObjectController
NSObjectController shares a lot of similarities with the NSArrayController discussed earlier. However, unlike the NSArrayController, the NSObjectController is designed to represent one instance rather than an array of instances. A common usage of the NSObjectController is to represent the selected object of an NSArrayController, thereby making it clearer as to what data is being displayed in the interface elements ...
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