March 2012
Intermediate to advanced
590 pages
22h 48m
English
Content preview from iOS Programming: The Big Nerd Ranch GuideBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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7View Controllers
In the Quiz application, you wrote all of your code in a QuizViewController class. An instance of this class was the controller for the Quiz application: It had pointers to the labels on the screen, and the buttons sent messages to it when they were tapped. It also had pointers to model objects that made up the data of the application.
The Quiz application had only one screen, so it was sufficient to have only one controller object for that application. However, most applications have more than one screen. Having one controller and many screens is messy because the controller has too many objects to manage. When designing iOS applications, it is best to have a controller for every screen.
UIViewController
A UIViewController ...
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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.