April 2020
Intermediate to advanced
528 pages
15h 40m
English
Content preview from iOS Programming: The Big Nerd Ranch Guide, 7th Edition
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Collection View Data Source
Applications are constantly changing, so part of being a good iOS developer is building applications in a way that allows them to adapt to changing requirements.
The Photorama application will display a single collection view of photos. You could do something similar to what you did in LootLogger and make the PhotosViewController be the data source of the collection view. The view controller would implement the required data source methods, and everything would work just fine.
At least, it would work for now. What if, sometime in the future, you decided to have a different screen that also displayed a collection view of photos? Maybe instead of displaying the interesting photos, it would use a different ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.