React Native Development

React Native is the most popular framework for developing cross-platform mobile applications. This framework has made it possible to create native mobile apps for multiple platforms simultaneously. You can develop full-blown mobile applications for both iOS and Android using a single language, i.e., JavaScript. This is a huge advantage, as it saves a lot of time and money and also eliminates the steep learning curves that are associated with each platform’s native development language (Java or Kotlin for Android, and C or C++ for iOS).

This article will help you get a grip on the basic concepts of React Native. First, we’ll go through the framework’s fundamental aspects. After the basics have been covered, we are going to make our mobile application, a “To-do” app. This application is all about improving productivity as it will allow us to add, manage, and remove tasks. Let’s get started.

React Native Development

What is React Native?

React Native is a JavaScript framework that is used to develop mobile applications for iOS and Android. It lets you build cross-compatible mobile applications using only JavaScript, and you don’t have to worry about learning platform-specific application development languages such as Kotlin for Android or Swift for iOS.

React Native applications are real mobile applications and not just web applets. Facebook released the first version of React Native in March 2015.

Why Use React Native?


One of the most significant advantages of React Native is that you can develop an application for both Android and iOS ecosystems simultaneously by writing the same code with just a few modifications for each platform.


There is no need to know the languages used for platform-specific application development, as React Native uses only JavaScript, probably the most popular programming language right now, for the development of mobile applications.


React Native enables speedy development of mobile applications since a similar code is used for applications for both platforms. It also facilitates a hot reloading feature that makes sure that small changes done to the application are immediately visible to the developer.

Large Developers’ Community

A huge developers’ community ensures that all the queries are resolved in time, and therefore, adequate support is available for the React Native framework.

It Keeps Getting Better

The community, as mentioned above, also keeps updating React Native with new functionalities and making sure that bugs do not occur.

Used by Many Companies

Though the framework is relatively new, many companies have already migrated the applications to this framework. Additional companies are looking to use the framework to speed up the process of development and maintenance

Excellent Career Opportunities

React Native has become very popular lately due to advantages like cross-compatibility. Consequently, this popularity has led to high demand for React Native developers.

View, State, Props, and Style


The View is an elemental component of React Native for building a user interface. It is a container that supports layout with flexbox, style, touch handling, and accessibility controls. It maps directly to the native view similar to whatever platform on React Native app is running on.


There are two types of data that control a component in React Native: props and state. For data that is going to change in the future, we use state. The state contains the data or information about the component. It determines the behavior of the component and how it will render.


Props is short for Properties. The components can be customized at the time of creation using different parameters, and those parameters are known as props. Props are passed from one container to another as a means of passing data between them.


React Native uses JavaScript for styling the application. All core components use a prop named “style.” The style names and values are similar to CSS that works for the web. To style our components, we can either use inline styling or use StyleSheet, which is a React Native component.

React Native Prerequisites

Here are some ideas and concepts that you should be familiar with before starting to work on React Native:

  • You should be familiar with programming concepts like functions, objects, arrays, and to a lesser extent, classes
  • You should have a basic knowledge of JavaScript
  • You should have some familiarity with HTML and CSS
  • Finally, if you have worked with React before, you already know a lot about React Native, and there should be absolutely no problem in working with it

React Native Apps VS Platform-Specific Apps

These are the most critical differences between React Native and platform-specific mobile applications:

React Native



Apps work in both iOS and Android

The app is made for a specific platform


Developers having a strong web development background

Developers having a strong platform knowledge

Build time






Long-term support

Not recommended as the framework can get shut down

Recommended for long-term investment


Best for small development teams with limited resources

Best for experienced development reams with adequate resources


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