May 2016
Intermediate to advanced
200 pages
6h 43m
English
Content preview from Developing for Apple Watch, 2nd 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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Chapter 4Organizing Your UI with Groups
The UI system in WatchKit is entirely linear. As you’ve seen thus far, when you add interface objects to an interface controller, they stack from top to bottom. Instead of using Auto Layout to position user interface objects with constraints, or the old “springs and struts” style of autoresizing masks that came before it, WatchKit handles positioning interface objects on your behalf. You probably noticed this behavior when you were adding interface objects to your storyboard.
This system of automatically positioning elements in a sequence is much more like the new UIStackView class in iOS than the other, older iOS layout paradigms. Introduced in iOS 9, UIStackView class is a container for other UIView ...
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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.