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This article introduces the relevant knowledge of "what are the advantages of Flutter and React Native". In the operation of practical cases, many people will encounter such a dilemma, so let the editor lead you to learn how to deal with these situations. I hope you can read it carefully and be able to achieve something!

In 2021, the long-running debate between React Native and Flutter among cross-platform programmers became more and more heated. A few years ago, React Native was the framework of choice for developers, but since the release of Flutter in 2017, it has grown into a strong competitor to React Native.

Recently, as many startups have chosen Flutter for MVP development, React Native is facing fierce competition from Flutter. So the question is, which application development technology will be successful in 2021?

Advantages of Flutter applications 1. Hot overload = fast coding

Flutter allows developers to create applications in a more complex and faster way. This is one of the biggest advantages of Flutter and is valued by all the top mobile application development companies.

Developers can make improvements to the code base in real time and immediately see these improvements reflected in the request. This is the so-called "hot overload" feature, and changes usually take only a few milliseconds to display.

This feature allows teams to quickly add features, fix bugs, and test new ideas. In addition, hot overloading is easy to use when teams need to collaborate to speed up development.

two。 A single code base for multiple mobile platforms

Flutter allows developers to write only one code base for two applications-one for iOS and the other for Android. Because Flutter has its own templates and layouts, its operating system-independent platform means that developers can use the same functionality on two different systems while keeping each application with its own unique style, usability, and functionality.

Flutter for Web is developed by Google and provides developers with the necessary credibility. Once the application is online, the Android, iOS, and Web platforms can be supported with a single code base.

3. Compared with React Native, only half of the tests are needed

Because you will test the same program on both platforms, the quality assurance process will be much faster. We wrote only half the amount of automated tests, because the same tests can be written on both platforms, thus minimizing the workload of the quality inspection team.

However, because your quality inspection specialist must manually check the applications on each device, you need to do manual testing at a level similar to native programming.

Why would anyone prefer React Native to Flutter?1. Fast Refresh = Fast Encoding

It has the same characteristics as Flutter. Hot overloading speeds up the development process and allows programmers to insert new code directly into running applications. In this way, developers can see the improvements immediately without having to rebuild the application.

Hot overloading preserves the state of the application and avoids the risk of losing it during full overloading (a big advantage in terms of state-based frameworks)-which further accelerates the growth of mobile applications.

two。 One code base, two mobile platforms (or more!)

Just like Flutter, you only need to write a code base to run two applications, one running on Android and one running on iOS. Even better, because you are using JavaScript, you can share code with Web applications when developing cross-platform applications. You only need to use abstract modules that can be compiled for a specific platform.

See the following example for libraries that allow you to program on both iOS and Android and other systems, including Web and desktop applications:

React Native for Web is a cross-platform application that supports Android, iOS, and Web (Twitter uses it to create Twitter Lite).

An application developed by ReactXp--Skype that supports Android, iOS, the Internet, and Windows 10 (UWP).

The Microsoft team created React-native-windows for all Windows 10 users (PC, tablets, two-in-one, Xbox, hybrid reality devices, etc.).

React Native programmers view things and take actions differently from most people.

You can assume that Web desktop applications, mobile Web applications, and native applications all have the same business logic, but they need different UI to meet different user needs.

3. It uses JavaScript, a popular programming language.

React Native uses JavaScript, a commonly used programming language, while Dart is not yet known. If you are a developer who likes statistics, you can also use TypeScript (a superset of JavaScript).

4. Developers' freedom of choice

Developers can use React Native to develop cross-platform applications.

The advantage is that React Native allows you to accurately choose the solution to use based on the needs of the project and the preferences of the developer.

For example, if developers need to deal with global state (how to store and manage data used by multiple components in a single application), they can use custom user interface libraries or write their own user interface libraries; they can use library routers or make choices in JavaScript and TypeScript.

Things to consider before choosing a framework

For many people, Flutter is more difficult to learn than React Native. React Native is popular among developers because it uses the famous programming language JavaScript. Therefore, if you are new to Dart, you may spend more time learning Flutter than learning React Native. But vice versa: if you have used Dart before, it will be easy to learn Flutter.

Because the components in React Native are very simple, you have to do a lot of work to style them. Only a few modules can recognize the platform, and almost all of them need to apply different features or set different styles for iOS and Android.

On the other hand, Flutter treats components as widgets, and in addition, these widgets are based on Material Design, so they can be highly customized. Most widgets are adaptive, which means they can be used on both Android and iOS.

Flutter has a performance advantage because it can be compiled to ARM or x86 native resources, so it is very fast.

React Native is just a wrapper for native methods, which means it serves as a bridge to convert certain calls into native API;, which becomes a bottleneck when there are many native calls.

React Native is not converted to native code, it also has a JavaScript layer, and the performance of rendering this code is lower than Flutter. There are some solutions, but Flutter doesn't have to worry about it, because the view layer is as simple as a game-- and because Flutter engineers build all the components, there are fewer native calls to bridges because they are just wrappers for native views.

Sufficient customization capabilities will not be available with the React Native component. Therefore, if someone chooses not to wrap a process, it cannot be used (for example, the dotted wireframe around the view will not work)-and new components from Google and Apple will take a long time to appear in React Native.

Bug patching for React also starts to take longer. For example, the problem of boundary rupture, and the problem of supporting different flavors, and so on. Most React Native companies are making custom bifurcations to repair unpatched bug upstream. Flutter developers are more cautious and fixes tend to be quick. At the end of the day, you may spend most of your time in React Native documents, looking for problems and trying to figure out why things didn't go as expected.

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