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Reasons To Consider React Native For Your Mobile App Project.
Cross-Platform
One of the first advantages of React Native is that this tool allows you to pool code in a shared way between the two operating systems (iOS and Android). It effectively makes it possible to jointly develop and deploy a mobile application on different platforms while using only one codebase. The number of human resources is therefore optimized since they work simultaneously on both operating systems.
Time-saving
Using React Native saves time for you and your teams. With this cross-platform development framework, development time is indeed reduced. You can indeed develop two versions of your mobile application in less time—Developers code in JavaScript, the programming language made available to React Native. Therefore, development is simultaneous. Thus, React Native makes it possible to obtain a development time saving of about 30% compared to so-called native technologies.
Reduced Cost
The cost of developing a mobile app is significantly reduced through the use of React Native. Indeed, this open-source tool provides the developer with a library full of free and open resources for all. Development, therefore, becomes cheaper and faster.
In general, React Native is a framework offering a lot of possibilities to developers who use it. The functionalities are adapted, fluid, and easy to use. It allows you to create high-performance native mobile applications while offering an excellent user interface (UI).
Why Choose React Native?
React Native starts with all the advantages of native cross-development frameworks over other hybrid cross-development frameworks such as Cordova, PhoneGap or Ionic. But it also has some additional advantages over other of its direct competitors:
- The move to React Native from such widespread and well-established technologies as JavaScript and React.JS has a minimal learning curve.
- Although the framework allows native code to be added to the applications for those optimizations and functionalities that require it (an intrinsic characteristic of native cross-development), it is possible to develop fully functional applications from only JavaScript code.
- Thanks to tools such as Expo which facilitate testing in simulators and devices and application delivery processes, the developer will not have to deal with the development environments of each platform (XCode for iOS and Android Studio for Android) if additional native coding is not required.
- Direct execution of JavaScript code on the device allows hot reloading with Chrome, thus facilitating application debugging at a first level. To do this, Chrome executes this code instead of JavaScriptCore, communicating with the native modules through websockets.
- Rendering from native components has a positive impact on the loading speed and browsing experience of the application, comparable in many cases to purely native development.
- Thanks to the multiple kits with templates and predefined components available (React Native Starter, Gala, Argon RN), the development of an application can be considerably simplified and accelerated.
Added to all of the above is the rapid evolution of the framework, with important improvements included and planned in the latest and next versions, such as a new JavaScript engine to improve the speed and memory consumption of Android applications, new debugging functionalities and improvements in the architecture of the framework.
On the contrary, the main disadvantages that React Native presents would be given by being a relatively recent technology, and therefore with a long way to go to cover the needs of complex applications, and because the debugging of the strictly native part of the applications can be more complicated because it is less accessible.
React Native: The Move To Mobile Development
In 2015, Facebook launched the first version of its open-source framework React Native to facilitate the development of mobile applications based on knowledge of JavaScript and React.JS.
React Native follows the same principles based on the use of components, with the difference that these components will not be rendered through the virtual DOM that React.JS uses, but through the device's own native APIs.
- The developer has a set of predefined React.JS components at his disposal, each of which has its equivalent in views and native components of each platform.
- The JavaScript code is not converted into native code by compilation, but is executed directly on the device in parallel with the executionof the native code corresponding to the interface components or other libraries integrated in the development.
- The JavaScriptCore virtual machine is in charge of executing the JavaScript code, available by default on iOS devices and included in the apk in the case of Android.
- The mapping between components and the communication between the executions of the JavaScript code and the native code is done through the bridge that React Native incorporates. It is from the optimization of this communication that the performance of the resulting application will largely depend.
