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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Creating Your First WatchKit Extension
The traditional first task in any development environment is the ubiquitous “Hello, World!” example. For an Apple Watch app, a good “Hello, World!” will get some text on the screen and react to a button being tapped, so let’s start there. Open Xcode and create a new Xcode project by selecting File → New → Project. From the left column under watchOS, select Application, and then select the iOS App with WatchKit App template and click Next. For the name of the project, let’s use HelloWatch. Next, Xcode wants an organization name and identifier. What should you use? The answer depends on how you want to test the app.
The examples in this book will use the organization name The Pragmatic Bookshelf with 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.