Optimize the Performance of React Native Application

The last few days, our team got a chance to improve the performance of an existing React Native for one of our clients from UK. The app was available on both the markets – iOS and Android. The client hired React Native app developers from us to optimize the performance of his application.

It’s quite obvious that we discovered several issues while working on the existing React Native app. Our skilled React Native app developers managed to resolve the issues and also updated the app with the latest version. And that’s the reason why I am sharing the top ways to Boost React Native performance. The hardcore React Native veterans analyzed the issues that hampered the performance of the app, and managed to fix them within a week.

Good performance is very important for any mobile app and website. Often while building apps with React Native, you may run into the problem with the performance of your app, and that’s where you should hire the best React Native app development company to fix the issues and deliver flawless applications.

For a Layman:

The app needs to work fine with faster navigation. The app should not have any freezed screens, and should use lesser battery.

For a developer:

If there are a few tasks such as music player, location tracking, Bluetooth connectivity, then they should handle everything very carefully so that it consumes less battery.

Here are some of the Steps to improve performance of your React Native app

1. Reduce app size

SIZE DOES MATTER – This is rightly applicable when it comes to building a high performance React Native application. Decreasing the size of your app can help to improve its performance. Shrink your app size if you face any issues with the application. As modern users have a lot of options for mobile apps under different categories, they would not love to download your app if it’s too large or consumes a lot of memory in their devices.

At i-Verve, we make use of different tactics and techniques to shrink the React Native app size to optimize its performance. Remember that the performance of your app is inversely proportional to the size of the application. Hence, try to remove the unnecessary components, and reduce graphics to cut down on the size of your mobile app. You can use Pro Guard to reduce the size of the graphics used on your app.

2. Decrease image size

When building a React Native app, it is essential to make use of imaging caching to download the images faster. Imaging caching is especially available for iOS devices. This feature helps the users access the images on their mobile devices quickly. It can be a good idea to reduce the size of images to improve the performance of your React Native app.

You may have come across some apps in which the pictures fail to load when the page is refreshed. How irritating it seems? You can convert your images to PNG before using them for your mobile app. Smaller images in WebP format can also help to boost the performance of your application. You can increase the loading speed upto 25-30% of for iOS and 25% for Android. Along with lowering the size of app, you should reduce the size of images also. We are a leading React Native development company to help you optimize the performance of your app.

3. Image Caching

Image caching is an important step for improving the performance of your React Native app. It is a known fact that React Native supports image caching only for iOS platforms. Image caching can help in swifter loading of the images.

App owners may also face the issue of failure of libraries when the preloaded images are not brought in when app is refreshed. This is called cache miss. Performance draining may also occur when cache logic operates towards the JS side.

4. Perfect app release time

You can improve the app launch time to improve the performance of your React Native apps. If the launch time of app is too slow, the users may be turned off. It can be a good idea to check Object. Finalize element as it is known for reducing the performance of React Native apps. Finalizers operate on a single thread and so, they become barriers to the apps’ speed. One should avoid using Object Finalizers to improve the performance of the application.

5. Improve UI Responsiveness

We always make sure that our product owner gets responsive UI for all the React Native apps we build. Our team can update the UI only when required. Our main aim is to build a great user experience for the end users. We make your application more responsive and faster.

6. Device Orientation

Mobile apps can be built in portrait or landscape mode. Some React Native apps quit when the device orientation is changed from portrait to landscape. This can make clicking pictures, watching videos, and playing games difficult for the users. React Native developers can try working with the application’s root view to avoid this problem.

7. Multithreading

React Native works on a single thread and so, it becomes impossible to carry out multiple tasks together. For instance, when the JS library renders a component, the other programmers would have to wait till the process is finished. One cannot incorporate live video feed as well as live chat at the same time.

8. Animations

React Native offers great options to create animations and it looks very neat and tidy. Animated library allows React Native coders to authorize the native driver. The animations assist in implementation of the main thread and offer a seamless experience.

9. Improve Navigation

As the navigation is the main core of the application functionality, you can think of making improvements in navigation and deliver an enhanced performance between Native elements as well as JavaScript.

More InsightsTips to hire React Native Developers

There are four major types of navigation components in React Native applications – Navigator, Navigation Experiment, Navigation iOS, and ReactNavigation.

1. Navigation – It is ideally used for prototyping and small apps as it doesn’t deliver Native-life experience for the apps.

2. Navigation Experiment – It helps to develop GitHuB-based pending projects.

3. Navigation.iOS – This is used for iOS applications.

4. ReactNavigation – It offers a smooth and seamless experience to the users.

10. Improve the maps

Sometimes, React Native maps face a problem of slowing down while the users navigate through the app. So, in order to fix this type of issue, you may have to remove console. log and avoid storing any data in the XCode. React Native developers can disable the automatic updating of the locations. One can also reduce the load on JavaScript thread to make the map work in a better way.

How can we help you build React Native app 5X times faster?

We’re backed up with a team of expert React Native developers who can make use of the best development tools and tactics to help you build your React Native app 60% faster. We can also provide React Native performance tips to help you boost the app performance and make it faster. No matter what kind of issues your app faces, you can hire the best React Native programmers from us and they will help you improve the speed of your application.

Conclusion

What makes us different from the other React Native app development companies is that we maintain complete transparency with our clients. Being a leading React Native development agency, we can help you build an app from the scratch or fix the issues with your existing application.

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