June 2016
Intermediate to advanced
464 pages
10h 11m
English
Content preview from High Performance iOS Apps
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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.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.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.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.
Chapter 13. iOS 9
iOS 9 includes some important changes that can impact how your app works.
Apart from improving the performance of standard components and the operating system in general, several other features can boost your app’s performance.
In this chapter, we discuss the following:
- Application lifecycle
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New features have been introduced in iOS, and a few of the old features have been overhauled in ways that impact performance techniques.
- User interface
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New views are available and may boost rendering performance. A completely new way of showing websites is also available.
- Extensions
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Two new extensions have been introduced in iOS 9. If you implement them, you will need to take care of their performance.
- App thinning
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You can now not only optimize your app manually, but also let Apple’s app optimizer do it for you for the device on which it will be installed—something to look forward to.
A complete list of changes in iOS 9 is available on the Apple developer website.
Application Lifecycle
iOS 9 provides new options to start and activate an app, and also imposes restrictions on existing ones.
Universal links now replace custom URL schemes for general use. Custom URL schemes are still available, but using the feature to detect the presence of an app is now highly restricted. You can no longer invade users’ privacy to test hundreds of apps for their presence on the device.
The new Spotlight-integrated in-app search provides new options for users to discover your app, ...
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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.