One of the vital factors for the success of any app or product is a good performance. Like any other platform, with react native, you may encounter problems that affect your app’s performance. This is why you need to pay attention to your app's best practices and performance improvements during its development phase so that you can timely fix these issues and give your customer a flawless and bug-free experience.
React Native is an open-source, cross-platform development framework that allows developers to create codes that can be used on android and iOS both. If you want to develop your app on this platform, hire the best react native app development company to have a smooth app delivery.
Let’s delve into the best practices and performance improvements you can use when creating your apps using React Native.
Best Practices to Improve React Native App Performance
1. Get Equipped with Appropriate Navigation Strategies
The React Native team has been functioning for quite some time on addressing issues related to navigation and has fixed a bunch of them, but there are still many issues that need to be fixed for the bulk of apps to provide a seamless experience.
Complicated navigation between screens can discourage users from using your app at all. React Native suggests four different ways to build navigation:
- Navigator: Navigator can be employed only for small applications and prototype development. Does not function well for complex or high-performance apps.
- iOS Navigator: It can be utilized only for iOS and won’t help Android navigation development.
- Navigation Experiment: It can be used in complicated applications, but due to the complexity of its implementation, not everyone likes to do it.
- React Navigation: It is utilized by a large number of apps and often recommended. React Navigation is lightweight and can work for both small- and large-scale apps.
2. Scale and Resize Images
It is necessary to optimize images to enhance your React Native app’s performance if the app is created to showcase a large amount of graphical content or images. Including multiple images could lead to increased memory usage on a device if the images are not appropriately optimized in terms of size and resolution. This may drive your app to crash due to memory overload.
Some improvements that can be used to optimize images by a React Native app development company are:
- Using PNG format rather than JPG format
- Smaller-resolution images
- Using WEBP format for images – it can help decrease the images' binary size on iOS and Android by almost a third of the original size!
3. Cache Images
React Native offers Image as a core element. This element is used to display an image, but it does not have any unique solution for problems like:
- Low performance in general
- Rendering a large number of images on a single interface
- Low performance in cache loading
- Image flickering
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Nevertheless, these issues can be quickly resolved by using third-party libraries, such as react-native-fast-image. This library can be used for both iOS and Android, and it works like magic!
4. Avoid Arrow Functions
Arrow functions are a common offender for wasteful re-renders. Do not utilize arrow functions as callbacks in your functions to render views. With the arrow function, each render generates a new model of that particular function, so during reconciliation, React Native compares a difference. Because the function reference doesn’t match, it is incapable of reusing old references.
5. Avoid Excessive Use of Higher-Order Components
When your app becomes complicated, and you want to share common patterns across different app components, it is usual to use higher-order components. In fact, using higher-order components is a good practice. Even it can sometimes be arguable, as it increases indirection. Nevertheless, it can raise the complexity of your code.
You should be careful about not instantiating a higher-order component on the fly, specifically during a render approach. This is because this practice effectively develops new features on its own.
React Native doesn’t know also, it doesn't identify that this is effectively the same component as before. This puts a lot of pressure on the reconciliation algorithms. Furthermore, it forces React Native to operate all the lifecycle methods.
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Ending Notes
Whether you use the native or cross-platform approach for mobile app development, you will always come across glitches and bugs. To tackle these issues and give your users a flawless experience, you must consider the above solutions in react native application development services.
Adopted by the world’s top successful companies like Facebook, Shopify, Coinbase, Tesla, and Discord, React Native offers an assuring solution for those seeking a viable framework to develop cross-platform apps. Look for the best react native app development company in town to get your app designed, or contact us to get free counseling.
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