Gold Challenge: JSON Caching
Right now, RSSChannel and RSSItem instances are cached using the archiving data format. Make it so they can also be cached as JSON. (Hint: add another method to JSONSerializable for storing an object’s instance variables in a dictionary.) The BNRFeedStore should cache the Apple feed in JSON format and load it back from that JSON format.
Get iOS Programming: The Big Nerd Ranch Guide now with the O’Reilly learning platform.
O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.
