Expo - Easily build cross platform apps with React Native

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Expo helps to build apps with React Native. It is a set of tools, libraries and services which let you build native iOS and Android apps by writing JavaScript. Expo apps are React Native apps which contain the Expo SDK. The SDK is a native-and-JS library which provides access to the device’s system functionality (things like the camera, contacts, local storage, and other hardware).

you don’t need to use Xcode or Android Studio, or write any native code, and it also makes your pure-JS project very portable because it can run in any native environment containing the Expo SDK. The SDK provides access to services which typically are a pain to manage but are required by almost every app. Most popular among these: Expo can manage your Assets for you, it can take care of Push Notifications for you, and it can build native binaries which are ready to deploy to the app store.

https://expo.io/
https://github.com/expo/expo-sdk
https://github.com/expo/expo

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