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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14 Presenting View Controllers
iOS applications often present users with a view controller showing an action they must complete or dismiss. For example, when adding a new contact on iPhone, users are presented with a screen to fill out the contact’s details (Figure 14.1). We call this kind of presentation modal, as the application is being put into a different “mode” where a set of actions become the focus.
Figure 14.1 Creating a new contact
Modally presented view controllers often occupy the entire screen, but they do not have to. Sometimes – especially on iPad, where there is more space to work with – they take up only ...
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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.