Watchman is a tool by Facebook for watching changes in the filesystem. If you have already installed Node on your system, make sure it is Node 8.3 or newer. Use npm to install the Expo CLI command line utility: You will need Node 12 LTS or later on your local machine to use this method. However, then you can easily switch to React Native CLI and no questions asked! Installing Expo CLI On the other hand when you use Expo CLI to develop your application you are limited to the Expo ecosystem, which might get burdening once building a very complex app with a lot of manual work around the lot of fine range configuration. React Native official setting up the development environment documentation is recommending to use Expo CLI if you are new to app development.Įxpo CLI is a safe bet for a new React Native developer, since it has set of tools built around React Native, so that you only need a recent version of Node.js and a phone or emulator to get started within minutes. In general there are two possible ways to get started with React Native:

We will assume that you are using macOS for React Native development, but you can always follow the similar instructions for Windows and Linux as well. Both the iOS and Android environments are available on Mac OS, whereas Linux and Windows only support Android environment. You can either use Windows, Linux or Mac OS to get started with React Native. > How to build and publish apps for iOS without a Mac with Codemagic Install React Native: Expo CLI vs React Native CLI > Flutter vs React Native: A Developer’s perspective > What is Flutter? Benefits and limitations React Native also allows developers to write native code in languages such as Java for Android and Objective-C or Swift for iOS, which makes it even more flexible. React Native uses messages from the JavaScript thread instead of HTML or CSS. React Native is considered a preferred alternative of Flutter, an open-source cross-platform mobile application development framework developed by Google. Nearly 58% of all respondents on the Stack Overflow Developer Survey 2020 state that they are either using React Native and have expressed interest in continuing to develop apps with it. Since its initial release in 2015, popularity of the framework is consistently growing. It is widely used by developers, from advanced developers in Android and iOS to React beginners, and even people who are getting started with programming for the first time in their career. React Native is an open-source cross-platform mobile application development framework developed by Facebook in 2015.

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