January 2017
Intermediate to advanced
496 pages
10h 7m
English
Content preview from Mastering React NativeBecome 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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Understanding Animated
LayoutAnimation is great for transitioning views between states using simple animation logic. However, LayoutAnimation is limited in that it doesn't allow you to sequence more complex animations or potentially tie an animation to a user gesture. This is where the Animated API fills the gap. Internally, the Animated API leverages requestAnimationFrame to synchronize animations to 60 frames per second. It then updates the state via setNativeProps as a means of avoiding React's diffing algorithm, thus keeping the animations performant and smooth.
In order to use the Animated API, you need two things. First, you'll need an Animated.* component--Animated.Image, Animated.View, or Animated.Text. These special Animated.* components ...
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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.