Rocket.Chat.ReactNative/app/containers/StatusBar.js

import React from 'react';
import { StatusBar as StatusBarRN } from 'react-native';
import PropTypes from 'prop-types';

import { isIOS } from '../utils/deviceInfo';
import { themes } from '../constants/colors';

const StatusBar = React.memo(({ theme, barStyle, backgroundColor }) => {
	if (!barStyle) {
		barStyle = 'light-content';
		if (theme === 'light' && isIOS) {
			barStyle = 'dark-content';
		}
	}
	return <StatusBarRN backgroundColor={backgroundColor ?? themes[theme].headerBackground} barStyle={barStyle} animated />;
});

StatusBar.propTypes = {
	theme: PropTypes.string,
	barStyle: PropTypes.string,
	backgroundColor: PropTypes.string
};

export default StatusBar;