September 2018
Intermediate to advanced
302 pages
7h 17m
English
Content preview from Hands-On Design Patterns with React Native
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How to measure FPS
It's time to learn how to check FPS. There are two main ways:
- Use a tool, such as Perf Monitor. It provides this functionality out of the box. It allows you to also measure the native environment.
- Write custom JavaScript code to measure FPS. This will only measure the JS thread's performance.
Using a performance monitor with the Create React Native App is as easy as shaking your device and choosing the Show Perf Monitor option:
Show perf monitor. Numbers 60 and 45 represent the latest value of the FPS measure
Implementing your own solution in JavaScript should rely on the fact that a desired 60FPS mean a frame every 16.67ms ...
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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.
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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.