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The Ultimate Guide to React Native Optimization (2024 edition)
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This guide is divided into 3 parts
Mastering React Native implementation
- Pay attention to UI re-renders
- Use dedicated components for certain layouts
- Think twice before you pick an external library
- Optimize your app’s JavaScript bundle
- Always remember to use libraries dedicated to the mobile platform
- Find the balance between native and JavaScript
- Animate at 60FPS - no matter what
- Replace Lottie with Rive
Using the latest React Native features
- Always run the latest React Native version to access the latest features
- How to debug faster and better with Flipper
- Experiment with the New Architecture of React Native
- Optimize your Android application startup time with Hermes
- Optimize your Android application’s size with Gradle setting
- Avoid unused native dependencies
Shipping fast and with confidence
- Run tests for key pieces of your app
- Have a working Continuous Integration (CI) in place
- Don’t be afraid to ship fast with Continuous Deployment
- Ship OTA (Over-the-Air) in an emergency
- Know how to profile iOS
- Know how to profile Android
It's been fantastic to work with Callstack to bring React Native to Windows 7 and 8, and then to bring React Native to game console products as well. I'm really excited with my new venture, Rebecker Specialties, to work with Callstack to bring React Native to the Apple Vision Pro and to mixed reality platforms.
This is the book and the people that encapsulates a lot of the work we drove at PlayStation to make React Native able to achieve the 1.0 goal of 200ms app Time To Interactive and 600ms Time To Fresh Data on PS5. I was so pleased we got the uplift into the product and put into open source. I really can’t recommend Callstack enough for this kind of hard-core, magical, disruptive technical execution.
Performance regression monitoring is a critical process in mobile app development and maintenance, as it helps prevent small issues from escalating into significant performance degradations that negatively impact user experience and retention. By regularly monitoring performance, developers can proactively identify and address issues before they affect users, ensuring the app operates optimally and provides a better experience for everyone.
There are so many tricky parts to making a great native app, and to lower the barrier to entry, React Native can abstract away things that you might want to come back and check on later once you’ve got your app up and running – this ebook does a solid job of helping you understand how to really get from good to great.
Feel like a functionality is missing in Flipper? Good news! Flipper is easily extensible and has a comprehensive guide on how to write custom plugins in React. Why not build your own?
What is waiting for you inside?
What topics does it cover?
- Improving performance by understanding React Native implementation details
- Using the newest React Native features to realize framework’s potential for impeccable performance
- How to ship quicker with a stable development environment
The ebook addresses the 2024 development and business challenges. The new sections discuss React Native Skia, state management, React Forget, new debugging experience, and prewarm for iOS.
This guide contains best practices for optimizing:
#1 Stability
#2 Performance
#3 Resource page
#4 User experience
#5 Maintenance costs
#6 Time-to-market
What will the guide teach you?
The Ultimate Guide to Performance Optimization gathers relevant, up-to-date optimization strategies and tools in one place, allowing you to rise up to performance challenges with ease. Authored by Core Contributors and experts, it elaborates on tech solutions, highlighting their impact on business continuity.
Each section has the following structure
Issue
Describes the main problem with React Native performance.
Solution
Outlines how that issue may affect your business and what the best practices are to solve it.
Benefits
Focuses on the business benefits of our proposed solution.