January 2019
Intermediate to advanced
592 pages
14h 30m
English
Content preview from React Native Cookbook - Second Edition
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How to do it...
- First and foremost, just as with iOS native modules, you'll want to limit the amount of data crossing the React Native bridge. Keeping the data that's in events and callbacks to a minimum will help to avoid slowdowns caused by the serialization between Java and JavaScript. Also, as with iOS, try to keep data cached in memory to be used by the native module; keep it stored in a private field. Native modules are singletons. This should be leveraged instead of returning a large object to store in the React Native component.
- When writing Java code for Android, you should do your best to avoid creating short-term objects. If you can, use primitives, especially for datasets such as arrays.
- It is better to reuse objects instead ...
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