import React, { useState } from 'react'; import { Button, Overlay, Icon } from 'react-native-elements'; import { View, Text, StyleSheet } from 'react-native'; import { Header } from '../components/header'; type OverlayComponentProps = {}; const OverlayComponent: React.FunctionComponent = () => { const [visible, setVisible] = useState(false); const toggleOverlay = () => { setVisible(!visible); }; return (