April 2020
Beginner
316 pages
8h 20m
English
Content preview from Learn SwiftUI
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Understanding extensions
Extensions, particularly in iOS, aren't just for watchOS, they are used for many other components such as Today (widgets), photo sharing, custom keyboard, and audio.
Extensions are designed to allow interaction between the app and another UI element. Take the Today extension, for example —this is an external UI component that sits on your home screen in iOS, yet interacts directly with your app (and from within your app's project in Xcode).
You need to remember that extensions are not a permanent feature of your app, as a user can choose whether or not to interact with the extension or even enable it. Apple's guidelines suggest that when building an extension, think carefully about its design and make sure it looks ...
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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.