March 2014
Intermediate to advanced
672 pages
40h 11m
English
Content preview from The Core iOS Developer’s Cookbook, Fifth EditionBecome 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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Adding a Page Indicator Control
The UIPageControl class provides a line of dots that indicates which item of a multipage view is currently displayed. The dots at the bottom of the SpringBoard home screen present an example of this kind of control in action. Sadly, the UIPageControl class is a disappointment in action. Its instances are awkward to handle, hard to tap, and will generally annoy your users. So when using it, make sure you add alternative navigation options so that the page control acts more as an indicator and less as a control.
Figure 2-9 shows a page control with three pages. Taps to the left or right of the bright-colored current page indicator trigger UIControlEventValueChanged events, launching whatever method you set as the ...
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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.