How to Debug React Native and Redux in 2022? A Complete Guide

Debugging is a crucial part of web app development. It will not be wrong to say that the success of an application depends on it. Even a tiny mistake in debugging an app can cost a significant loss. It means you cannot miss it or take it lightly.

If you want to build a React Native app, it is the best framework for various reasons. But when you hire a React Native developer in India, make sure they have experience using React Native Debugger.

In the past, identifying errors in the code was challenging for developers. Fortunately, we have React Native Debugger. It allows programmers to debug the code faster and efficiently. Most of you might be thinking that React Native has a default debug tool, so why React Native Debugger? Do not worry! Our experts will clear all your queries and doubts. We will explain everything about this debugging tool below.

Let us start with the basics!

• What makes React Native Debugger different from other debugging tools?

  React Native Debugger is standalone among other tools because of its range of features. Below, we have listed some of the exciting features, such as:

  • UI Inspector – It enables you to check the styling and see all the tags used in the app. In addition to this, you can test your UI while changing the styling.
  • Network Inspector – You might want to fetch data from a server or cloud for your app. For this, you need a network or internet connection. You may also require monitoring a request. Here, the network inspector comes into the picture. It helps you debug the request.
  • Debug Redux – When developing a React app, your developer needs state management libraries. And Redux is one of them. It can be challenging to use Redux, especially if you fail to debug your state. But React Native Debugger can help you debug Redux-enabled applications with ease.
  • Breakpoints – Another excellent feature of React Native Debugger is breakpoints. You can use this feature at any given time to stop code execution.
  • AsyncStorage management – To log or print your AsyncStorage in the console of React Native Debugger, use this command:
    

    console.log(showAsyncStorageContentInDev())

    These are some features that make React Native Debugger a great debugging tool in 2022.

    Now, the question is how to use this tool to debug your app built with React Native and Redux. While your experienced React Native development firm will handle everything, you must stay informed. With this information, you will know what to expect from React Native debugging. Here is a complete guide to debugging React Native and Redux.

• A step-by-step guide to debug React Native app with React Native Debugger
  • Install React developer tools

    The first step is installing React developer tools. To get started, follow these steps.

    • Replication of the repository into your machine.
    • Run yarn install into the root directory of your project.
    • The next step is installing React Native Debugger. You can download this tool from GitHub. On the other hand, if you use macOS, use this command: brew update && brew install --cask react-native-debugger
    • After this, open React Native debugger and start using it.
    • If you want to start the iOS simulator, run yarn iOS.
  • Configuring ReduxDevTools

    You can use redux-thunk, a piece of middleware, for the ReduxDevTools configuration. But it requires modifying src/config/store.js.

  • Connecting React Native Debugger to the app

    It is time to connect your app with React Native Debugger. To do so, run your React Native app and on debug mode. Are you wondering how to start the debug mode? There are two ways available. For example, press Ctrl + M or Command + Shift + Z. After this, choose the debug option.

    Congratulations! Your app is connected to React Native Debugger, start debugging the code.

  • Use Debugger Statements

    You might be thinking, why do we have to use Debugger Statements? For example, you have Prettier fix your code when saving. Now, you have to use debugger statements, along with a comment for disabling ESLint. With this, you can prevent a debugger statement from getting wiped out. To achieve this, use the following code where you are adding a debugger statement.

    // eslint-disable-next-line no-debugger
    Debugger;
    

In closing

Hopefully, now you know how to use React Native Debugger for debugging your app. A quality debugging environment will ensure better productivity while identifying pesky bugs. As a result, you will get a bug-free, feature-rich, and high-performance app. When hiring one of the best React Native developers, look for their experience using React Native Debugger.

If you are searching for the top React Native app development company for your project, get in touch with SoftProdigy. We house a team of experts committed to delivering the best services.

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FAQs

1. What is React Native Debugger?

   It is a standalone desktop app that allows you to debug code on your React Native app. It works efficiently on Windows, macOS, and Linux.

2. When to use React Native Debugger for your React Native app?

   If you are using Redux to build your React Native app, React Native Debugger is your ideal solution.

3. What makes React Native Debugger unique?

   A wide range of features under the same roof is the reason for React Native Debugger’s popularity. Some of the features are UI Inspector, Debug Redux, Network Inspector, and more.

4. Can React Native Debugger works with Expo apps?

   Yes, you can use React Native Debugger to debug Expo apps with ease. You need to use this command: "rndebugger://set-debugger-loc?host=localhost&port=19001".

5. Is React Native Debugger fast?

   While React Native Debugger is known for its speed and seamless debugging, you may face slow performance. Use these tips to improve debugging with this too:

   • Rely on keyboard and touch bar shortcuts to improve productivity.
   • Use Chrome DevTools with React Native.
   • Use ReduxDevTools to ensure faster debugging.
6. What are the benefits of React Native Debugger?

   Some of the benefits of using React Native Debugger are:

   • Faster UI testing
   • Debugging Redux-based apps easily
   • Stopping code execution at any time