This is not necessary if you are integrating React Native into an existing application, if you 'ejected' from Create React Native App, or if you're adding Android support to an existing React Native project (see Platform Specific Code). You can also use a third-party CLI to init your React Native app, such as Ignite CLI. We are going to use react-native init to make our React Native App. Assuming that you have node installed, you can use npm to install the react-native-cli command line utility. Open the terminal and go to the workspace and run. Npm install -g react-native-cli. Run the following commands to create a new React Native project. React-native init ProjectName.

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This page will help you install and build your first React Native app. If you already have React Native installed, you can skip ahead to the Tutorial.

Create React Native App is the easiest way to start building a new React Native application. It allows you to start a project without installing or configuring any tools to build native code - no Xcode or Android Studio installation required (see Caveats).

Assuming that you have Node installed, you can use npm to install the create-react-native-app command line utility:

Then run the following commands to create a new React Native project called 'AwesomeProject':

This will start a development server for you, and print a QR code in your terminal.

Running your React Native application

Install the Expo client app on your iOS or Android phone and connect to the same wireless network as your computer. Microsoft word for mac showing window when deleting file. Using the Expo app, scan the QR code from your terminal to open your project.

Modifying your app

Now that you have successfully run the app, let's modify it. Open App.js in your text editor of choice and edit some lines. The application should reload automatically once you save your changes.

That's it!

Congratulations! You've successfully run and modified your first React Native app.

Now what?

Create React Native App also has a user guide you can reference if you have questions specific to the tool.
If you can't get this to work, see the Troubleshooting section in the README for Create React Native App.

If you're curious to learn more about React Native, continue on to the Tutorial.

Running your app on a simulator or virtual device

Create React Native App makes it really easy to run your React Native app on a physical device without setting up a development environment. If you want to run your app on the iOS Simulator or an Android Virtual Device, please refer to the instructions for building projects with native code to learn how to install Xcode and set up your Android development environment.

Once you've set these up, you can launch your app on an Android Virtual Device by running npm run android, or on the iOS Simulator by running npm run ios (macOS only).

Caveats

Because you don't build any native code when using Create React Native App to create a project, it's not possible to include custom native modules beyond the React Native APIs and components that are available in the Expo client app.

If you know that you'll eventually need to include your own native code, Create React Native App is still a good way to get started. In that case you'll just need to 'eject' eventually to create your own native builds. If you do eject, the 'Building Projects with Native Code' instructions will be required to continue working on your project.

Create React Native App configures your project to use the most recent React Native version that is supported by the Expo client app. The Expo client app usually gains support for a given React Native version about a week after the React Native version is released as stable. You can check this document to find out what versions are supported.

If you're integrating React Native into an existing project, you'll want to skip Create React Native App and go directly to setting up the native build environment. Select 'Building Projects with Native Code' above for instructions on configuring a native build environment for React Native.

Follow these instructions if you need to build native code in your project. For example, if you are integrating React Native into an existing application, or if you 'ejected' from Create React Native App, you'll need this section.

The instructions are a bit different depending on your development operating system, and whether you want to start developing for iOS or Android. If you want to develop for both iOS and Android, that's fine - you just have to pick one to start with, since the setup is a bit different.

Development OS:Target OS:

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A Mac is required to build projects with native code for iOS. You can follow the Quick Start to learn how to build your app using Create React Native App instead.

Installing dependencies

You will need Node, Watchman, the React Native command line interface, and Xcode.

While you can use any editor of your choice to develop your app, you will need to install Xcode in order to set up the necessary tooling to build your React Native app for iOS.

Installing dependencies

You will need Node, Watchman, the React Native command line interface, a JDK, and Android Studio.

Installing dependencies

You will need Node, the React Native command line interface, a JDK, and Android Studio.

Installing dependencies

You will need Node, the React Native command line interface, Python2, a JDK, and Android Studio.

While you can use any editor of your choice to develop your app, you will need to install Android Studio in order to set up the necessary tooling to build your React Native app for Android.

Node, Watchman

We recommend installing Node and Watchman using Homebrew. Run the following commands in a Terminal after installing Homebrew:

https://newserve.amebaownd.com/posts/21763423. Some of the desktop functionalities can’t be found in Mac OS, and this could be the possible reason why Windows fans stick to their ‘beloved’ operating system.If one thing I have to appreciate about Windows is its ability to create shortcuts for applications.

If you have already installed Node on your system, make sure it is version 4 or newer.

Watchman is a tool by Facebook for watching changes in the filesystem. It is highly recommended you install it for better performance.

Node

Follow the installation instructions for your Linux distribution to install Node 6 or newer.

Node, Python2, JDK

We recommend installing Node and Python2 via Chocolatey, a popular package manager for Windows.

Dark souls 2 1.11 patch download. React Native also requires a recent version of the Java SE Development Kit (JDK), as well as Python 2. Both can be installed using Chocolatey.

Open an Administrator Command Prompt (right click Command Prompt and select 'Run as Administrator'), then run the following command:

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If you

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