April 23, 2021

8 Common Mistakes to Avoid with React Native App Development 

Contents

  • 1 Why is React Native Mobile App Development So Popular?
  • 2 Major Challenges Faced During the React Native App Development
  • 3 8 React Native App Development Mistakes to Avoid
    • 3.1 Wrapping Up

React Native is a great choice for mobile application development as it helps developers develop the project very fast. Even though the framework enables developers to build high-quality applications efficiently, there are a few common mistakes that can happen during the React Native application development. As it is rightly said ‘Prevention is always better than cure, here in this blog post you will know about 8 common mistakes to avoid with React Native app development.

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Why is React Native Mobile App Development So Popular?

When it comes to mobile app development, many entrepreneurs and developers prefer to go with React Native app development services. Developed and launched by Facebook six years ago, this framework has taken app development to the next level.

Furthermore, React Native is positioned in the top place when it comes to cross-platform framework usage. Nearly 42% of developers use React Native to build powerful mobile apps.  The main reason is that the framework eliminates the need to build separate applications for each platform. The reduced development effort and fast development of applications have made React Native a developer’s premier choice.

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Here are some more reasons why developers and enterprises prefer to hire mobile app developers for React Native application development:

  • React is a JavaScript-based framework.
  • React Native facilitates the development of truly native apps.
  • It comes with a direct installation process.
  • It improves developers’ efficiency and productivity.
  • It supports cross-platform mobile application development.

Major Challenges Faced During the React Native App Development

Although React Native offers numerous benefits, it also comes with a few challenges. They include:

  • Abstract layer limitation
  • Reliance on native application developers
  • No support for multi-processing
  • iOS deployment challenges

Professional React Native developers know the ins and outs of the platform and so they can efficiently deal with them. If you’re planning to hire mobile app developers, you may consider hiring them from a React Native development company.

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8 React Native App Development Mistakes to Avoid

 

  1. Neglecting Image Optimization

Many developers tend to overlook image optimization during the React Native app development. However, optimizing images helps in improving the overall app performance.

Image optimization helps in resizing the images locally and uploading them to cloud storage via the server. Developers then get a CDN link that can be used through their API.

This approach decreases the loading time of images significantly. So, if your images are not optimized, it will affect the image load time and may leave your customers unhappy with your app’s user experience.

  1. Inappropriate Redux Store Setup
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As soon as developers receive a new React Native application development project, they tend to focus on the app’s layout and forget about the data management part. This is where issues crop up. React Native uses Redux and assumes that all the data handling has been taken care of.

Redux is a useful tool for effective app management. It is used for data storage and managing debugging app states. It is usually used for developing large and complex applications. Since it requires writing a long line code and increases workload, this is what developers are likely to forget.

Therefore, the Redux store setup requires proper planning. If you’re having a small-scale project, it is wise to avoid using Redux as it would require you to write lengthy code for even the tiniest change. This will only cause more problems and inconvenience during the app development. It is always wise to hire mobile app developers specializing in React Native application development for proper Redux store setup.

  1. Forgetting to Remove ‘Console.Log’ Statements
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Console.log statements are a great rescuer of app developers. They facilitate easy debugging of the app and ensure that there is no problem during the execution phase. However, they must be eliminated before moving ahead.

If you leave log statements, they can lead to a critical problem, especially if the application includes both, render methods and app logics inside. Hence, your log statement can emerge as a blockage in the JavaScript thread. As a result, your app will have slow speed and performance.

  1. Binding in Render Mode and Additional Parameters

In React Native app development, binding in render mode forms a new, additional method instead of choosing the previous one.

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The problem with this approach is that it generates various callbacks during the rendering process. Even though this problem can be resolved with the binding handleWatchList() function, it can be used as a property initializer syntax or in the constructor. But, still, there’s an issue.

Even with the use of the handleWatchList() function, many developers attempt to pass the parameters directly which is not a good approach. The best way is to create a child component within the map function and then pass the parameters inside that component. Lastly, values can be passed as props.

  1. Making Use of Stateless Components for React Native Performance
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Using stateless components is not a wise decision. With stateless components, no class is extended. They only take the arguments and show them in the DOM. While they provide the easy testing ability and fast implementation, it is always good to select pure components in React Native app development.

It’s because it performs a superficial comparison that lowers the rendering process. This makes the feature advantageous for large, complex UI apps. Another benefit is that it has a lifecycle method that makes this shallow comparison mechanically. After that, it checks if re-rendering is required or not and performs it only if it identifies a change.

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This option is not there in stateless components. With stateless components, if the parent component gets rendered, every other component has to be rendered.

Also, the pure components allow developers to easily send AJAX requests within component DISmount. They can even conduct other DOM operations.

  1. Incorrect Estimation of Errors

This is another common mistake that Reacts Native app developers make. Developers tend to forget that both Android and iOS have different layouts.

Even though React allows developers to use interchangeable components, some are components are platform-specific. For example, the design of the app screen is different for both platforms.

Moreover, there can be a miscalculation of the number of lines of code that need to be written. Developers may also tend to forget the validation layout or the app logic may be wrong.

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Thus, the wrong estimation can lead to problems in the later development stages. So, it’s better to create a checklist first and then check things at every stage during the React Native mobile application development.

  1. Not Writing Unit Tests

If you hire mobile app developers for developing applications using React Native, make sure they perform unit testing before making the application public.

If your customers identify flaws and bugs, then they won’t trust your app and stop using it. Therefore, to deliver a seamless user experience, make sure that your app’s functionality is thoroughly checked before its launch. This is when unit tests are used and therefore, developers must write unit tests for applications.

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The unit tests help developers to check several modules and functions of apps individually. Unit testing ensures that every function of your app is working as expected.

The unit tests should be written during the initial stage of React Native mobile application development. This will help developers to know about the bugs beforehand and they can fix them at that time. In this way, developers can save a lot of time and effort spent on the app development and focus on other core features of the app.

  1. Not Reviewing the Source Code of External Modules

Adding external modules is a common practice by developers. It not only saves time but also makes things faster and easier, especially as they come with detailed documentation.

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However, sometimes these modules break or might not work as expected. Therefore, developers should review the code and make it a habit to do this every time they use an external module. This will help them know the problems associated with the module and ways to fix them.

Wrapping Up

Mobile application development is no cakewalk. Even a highly skilled React Native app developer is likely to make these common mistakes during the development process. To err is human and therefore, it’s absolutely fine! However, if you have read this article till the end, you should aim at avoiding these common React Native app development mistakes to deliver flawless and high-quality mobile solutions.

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Author’s Bio

Sahil Thakur is a Senior React Mobile App Developer at Orange Mantra with a decade’s experience in the industry. He loves sharing his experience and expertise in web and mobile application development as well as other related technologies through informative articles.

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