What is RCTRootView?

RCTRootView is a UIView that holds a React Native app . It also provides an interface between native side and the hosted app. RCTRootView has an initializer that allows you to pass arbitrary properties down to the React Native app.

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What are native components?

Native Components​ At runtime, React Native creates the corresponding Android and iOS views for those components. Because React Native components are backed by the same views as Android and iOS, React Native apps look, feel, and perform like any other apps. We call these platform-backed components Native Components.

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What UI native?

A native application is a software program that is developed for use on a particular platform or device . Because a native app is built for use on a particular device and its OS, it has the ability to use device-specific hardware and software.

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Does React Native use bridge?

Many (but not all) react-native npm packages that are added/installed into a project are Native Bridges. If the package is a pure JS package, then it is just that – pure JavaScript. If a react-native package contains an `ios` directory and an `android` directory, it is most-likely a Native Bridge .

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What is a native bridge?

Native Bridge is implemented as a part of Android Runtime (ART) in the Android architecture. It is used to support running native libraries in a different processor architecture so that an application with native libraries can run on a broader range of devices .

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