Boosting Performance in React Native with React.memo ???
Thiago Nunes Monteiro
Senior Mobile Developer | Android Software Engineer | Jetpack Compose | GraphQL | Kotlin | Java | React Native | Swift
As mobile developers, performance is always top of mind. In React Native, unnecessary re-renders can impact UI responsiveness, especially in complex apps. That’s where React.memo comes in!
What is React.memo?
It’s a higher-order component (HOC) that memoizes a component, preventing re-renders unless its props change. This is useful for optimizing functional components that receive the same props frequently.
When to Use It?
? Lists with many items
? Components with expensive calculations
? Pure UI components that don’t change often
Example:
Now, MyComponent won’t re-render unless the title prop changes.
Key Takeaway
Use React.memo wisely! ?? Not every component needs it—overusing it can lead to unnecessary complexity. Profile your app’s performance first!
Have you used React.memo in your React Native projects? Let’s discuss in the comments! ????
#ReactNative #Performance #MobileDevelopment #ReactMemo
Full Stack Software Engineer | Front-end focused | ReactJS | React Native | NodeJS | AWS
2 周Great content! Memoization is a game changer in React apps.
Data Engineer | Python | SQL | PySpark | Databricks | Azure Certified: 5x
3 周Your post made my day! ?
Lead Fullstack Engineer | Typescript Software Engineer | Nestjs | Nodejs | Reactjs | AWS
3 周Excellent explanation of React.memo and its practical applications! Thanks for highlighting the importance of profiling before implementation to avoid unnecessary complexity. Looking forward to hearing others' experiences with it.
Full-stack Software Engineer | Java | React | Docker | AWS | Azure
4 周Congrats, Bro! ?? Maybe next time you can share some examples that looks good way to use Memo but it’s not ! Just a suggestion!