June 2015
Intermediate to advanced
100 pages
3h 29m
English
Content preview from Developing for Apple WatchBecome 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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Apple Watch Basics
Every Apple Watch must be paired with an iPhone 5 or newer in order for you to install apps. While a cynic might see this as a sneaky way for Apple to double up on device sales, you’ll see in our in-depth chapter on WatchKit extensions,, that there’s a very good reason: all of the processing in your app is performed on your user’s iPhone and transmitted to Apple Watch. This is one example of a constraint placed on the device to improve battery life. Instead of your app trying to use the watch’s processor to do something intensive, like mine bitcoin, it’ll ask the phone to perform difficult tasks, freeing up its processor for UI updates (although, seriously, don’t try to mine bitcoin on your iPhone). So for your watch app to ...
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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.