June 2011
Intermediate to advanced
590 pages
19h 31m
English
Content preview from iOS Programming: The Big Nerd Ranch Guide, Second 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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Autorotation
Many applications rotate and resize all of their views when the user rotates the device. You could implement this using notifications, but it would be a lot of work. Thankfully, you can use autorotation to simplify the process.
If the view on screen is controlled by a view controller, when the device is rotated, the view controller is asked if it is okay to rotate the view. If the view controller agrees, the view is resized and rotated. Its subviews are also resized and rotated.
To implement autorotation in HeavyRotation, you need to do two things:
- Override shouldAutorotateToInterfaceOrientation: in HeavyViewController to allow autorotation.
- Carefully set the autoresize mask on each subview so that it acts reasonably when 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.