January 2019
Intermediate to advanced
592 pages
14h 30m
English
Content preview from React Native Cookbook - Second Edition
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How it works...
In this recipe, we created a native module similar to the module covered in the Exposing custom iOS modules recipe from earlier in this chapter. We defined the native module to perform arbitrary execution in the background of the React Native app. In this recipe the background process is made up of the following three steps:
- Spawn a new thread.
- Sleep for five seconds on the new thread.
- After the five second sleep (simulating the end of a running background process), an event is dispatched from the iOS layer to the React Native layer, letting it know that the process has been completed. This is accomplished via the OS's GCD API.
The purpose of the UI in this app is to exhibit that multithreading has been achieved. If 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.