import Document, { Html, Head, Main, NextScript } from 'next/document'; import { AppRegistry } from 'react-native'; export default class MyDocument extends Document { static async getInitialProps(ctx) { const { renderPage } = ctx; AppRegistry.registerComponent('rn', () => Main); const { getStyleElement } = AppRegistry.getApplication('rn'); const page = await renderPage(); const styles = getStyleElement(); return { ...page, styles }; } render() { return (