AppRegistry

AppRegistry is the control point for registering, running, prerendering, and unmounting all apps.

App root components should register themselves with AppRegistry.registerComponent. Apps can be run by invoking AppRegistry.runApplication.

import { AppRegistry } from 'react-native';

API #

Static methods #

getAppKeys () => Array<string>

Returns an array of all registered app keys

getApplication (key: string, params: AppParams) => ({ element, getStyleElement })

A web-only method for server-side rendering to HTML and CSS. It returns an object containing the given application’s element and getStyleElement function to get styles once the element is rendered.

registerComponent (key: string, getComponent: () => React.Element) => void

Register a component provider under the given key.

registerConfig (configs: Array<AppConfig>) => void

Register multiple applications.

unmountApplicationComponentAtRootTag rootTag: HTMLElement

Called this function with the rootTag that was passed into runApplication in order to unmount it.

AppConfig #

appKey string

The key under which the component is registered.

component () => React.Element

A function that returns a React element.

AppParams #

callback ?() => void

Called when React rendering has finished.

hydrate ?boolean

If the client should hydrate server-rendered HTML.

initialProps ?Object

The initial props passed to the root component.

rootTag HTMLElement

The native element into which the application is rendered.

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