How to Build a Mobile App in Easy Steps with React Native?

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How to Build a Mobile App in Easy Steps with React Native?

React Native is one of the most popular frameworks that allow you to create cross-platform apps using JavaScript. Using React Native, you’ll be able to write one code for the web, iOS, and Android.

What is React Native?

It is a development company that is a mobile app based on a popular JavaScript framework that permits you to build mobile apps for IOS and Android. You can create an application for several platforms using the same code base or framework. After reading the introduction, you must be thinking, why choose only react native? The answer is it provides many solutions that other technologies cannot afford, such as:

Establishment of native mobile apps:

The development company react-native allows us to write native apps in JavaScript for both IOS and Android. It also provides the capacity to use all the fundamentals of native-like push notifications, Cameras, gestures, and location.

Establishment of cross-platform mobile application:

The main benefit of using react native is building mobile apps that can run on different platforms. You can build your app with different codes for IOS using Swift or Objective C and the other for Android using Java or Kotlin.

How to build a React Native app? 

We hope you find the information helpful if you migrate to React Native or are simply curious to learn more about the development platform.

Q: Why did you not consider building the app natively?

A: Fully native apps are expensive to develop and time-consuming. If there was a cross-platform solution that offered the same performance and quality as fully dedicated solutions, would anyone not opt for the cross-platform option? For our organization, we considered the hybrid app solutions available at the time (and certainly today) to match the native iOS and Android apps closely enough to make it the preferred option.

Also, while our mobile app teams have grown considerably over the last few years, when we began the re-platforming of our Carrier 360 mobile app, our team was relatively small. If your team is large enough to support the development of two separate codebases and your app is highly complex, utilizing a large portion of platform-specific code might justify the higher cost and development time of building the app natively.

Q: What drove the choice of Redux for state management?

A: Unfortunately, I wasn’t around when the decision was made to use Redux, so I can’t provide insights into our specific reasoning for choosing it. In general, as your application grows in complexity, it can become tricky to manage with React alone. Of course, it is doable, but Redux can simplify the process and make the code easier to maintain and test. The Redux FAQ addresses the question if your organization needs help deciding whether to use it or not.

Q: Is the “80% test coverage” requirement exclusively E2E or a mix of E2E and unit/integration testing?

A: Our code coverage requirements are for unit testing — measuring lines of code covered, branches, functions, and statements. We do not currently track code coverage for our end-to-end tests.

Q: Any quick suggestions for multiple input handling in a form?

A: We opted for using redux-form when we built the app, but it is now in our backlog to migrate away from it. We haven’t yet prioritized switching to a different form library, so I can’t provide a firsthand recommendation. But, I would caution against using redux-form if you consider it; the redux style guide recommends avoiding putting form state into redux. Beyond the performance concerns of dispatching actions on every keystroke, I found the documentation for the library to be quite poor (subjective, of course). Formic is a library on our radar, and I’d suggest starting your search there.

Q: Do you use Bugsnag for monitoring network request errors in React Native? If so, do you have a Bugsnag notify inside your Axios/fetch middleware? Or do you have a notification calling for every individual request?

A: We use other tools such as Dynatrace in addition to Bugsnag for monitoring our network requests, but with Bugsnag, yes, we use Bugsnag notify. Each requests routes through a special request function that handles the fetch and uses Bugsnag notify to report failures with the URL, method, etc., and metadata for the response.

Q: What tools and technologies do you use? Do you use webdriverIO?

A: We’re using Redux and Redux-Saga for state management and side effects. We use React Navigation for routing and Branch for deep linking. Rollout.io and Firebase are used to handle feature toggles and remote configuration. Native Base was the component library we started with, and React Native Maps is the library we chose for mapping components. Of course, we’re using Bugsnag for error monitoring. Jest is the testing framework we use for our unit tests, and we use WebdriverIO with Appium for our end-to-end tests.

Q: Could you give an order of magnitude regarding dev productivity (between supporting a React Native app vs. supporting 2 native apps)?

A: When supporting separate apps, every feature must be coded twice. This likely requires two separate teams and two independent testing and deployment pipelines. On top of this, the two separate streams require additional planning and oversight to remain in sync.

At best, you might have a team of developers who is proficient in native Development for both platforms and avoid the cost of two separate teams; however, it’s unlikely that the team will be able to develop the code for each codebase twice as quickly as that of a React Native team, meaning the time to market is almost assuredly higher. Providing a singular, accurate number isn’t feasible, in my opinion.

There are simply too many factors to sum it all neatly into an absolute value —, but the simplest answer would be 2. If you assume the time to produce a feature in React Native is identical to the time needed to implement said feature in iOS. Likewise, for Android, the simplest answer is that the same app produced using fully native Development would either cost 2 times or take 2 times as long.‍

Q: What are you using for styling?

A: We’re using the Native Base library for components and themes. We also have a separate team working on a design system for our mobile apps using the React Native core components and React context to handle theme switching.

Q: What did you use for location services/tracking?

A:  For positioning, we’re using the react-native-background-geolocation library and react-native-maps for mapping.

Q: Have you tried a Penetration Test on your app?

A:  Yes, we have a Security Engineering team which tests our applications for vulnerabilities and notify our application teams of their findings.

Does the question arise how to build a mobile app for Android with react native?

  • To start developing for Android, some requirements you need to install. Initially, you need to install and configure both Android Studio and Android SDK. After installation and configuration of Android Studio, I need to download some APIs.
  • Open Android Studio, click on the settings tab, and Top react js application development company as You want Development, react-native to support in the SDK platforms tab.
  • Then go to SDK tools and check Android SDK build tools, Android SDK tools and google play service; select the platforms you need like it starting from 19.0.0 to 20.0.0, 22.0.0 to 24.0.0, 25.0.2, 26.0.1 to 26.0.3, 27.0.3, and 28.0.1 to 28.02 and we are done with both the platforms namely SDK and Android.
  • To run and test your app, you can use an emulator to use Android Studio.
  • To build a mobile app for IOS, you just need to have a macOS, and to test your React Native app on IOS; you can use XCode, which has a nice emulator.

The advantages of the development company for building mobile apps:

Productive and saves money:

As most of the code is cross-platform, it is appropriate for both Android and IOS. You need to build one app, and two apps are created. This will save the time and money you have to pay while building separate apps. By reacting natively, you can build two apps simultaneously, which is more than half the cost of building one application. Moreover, at the same time, you can maintain and update both apps, which will save you time once the apps are built and launched.

Flexible:

The development company reacts native makes it easy for various developers to jump directly in where someone else left off and continue building. This makes it easier to update, increases team flexibility for testers, creates testing scenarios much easier, and upgrades the mobile app, which also helps save money.

Adjustable:

Suppose you want or are necessary to adjust the app to another development framework in the forthcoming. Do you ‘t need to start over with the app developer as they will export the app from react-native and then move it into Android Studio or XCode. One of the best benefits you can gain is by using react-native for mobile app development.

Get Faster updates: 

Using react Native won’t take publishing updates too long for your app; rather, making it streamlined. The whole process is much simpler and faster, and you can update both apps simultaneously. While creating improvements for your user, they implement them via over-the-air updates while using the app. Moreover, the update will be ready for the user when you open the app.

Conclusion 

The React Native framework is one of the most popular and best choices to develop a cross-platform application for your entity. With the above article, you must have gone through how to use React Native to build the mobile app.

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