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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VoiceOver
VoiceOver is an accessibility feature that helps users with visual impairments navigate an application’s interface. Apple provides hooks into the system that allow you to describe aspects of your interface to the user. Most UIKit views and controls automatically provide information to the user, but it is often beneficial to provide additional information that cannot be inferred. Additionally, you always need to provide the information yourself for custom views or controls you create.
These hints to the user are largely provided through the UIAccessibility protocol. UIAccessibility is an informal protocol that is implemented on all the standard UIKit views and controls. An informal protocol is a looser “contract” than ...
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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.