kangaroo/js/page/WelcomePage.js

import React, { Component } from "react"
import { StyleSheet, Text, View } from "react-native"
import NavigationUtil from "../navigator/NavigationUtil"

export default class WelcomePage extends Component {
	componentDidMount() {
		this.timer = setTimeout(() => {
			NavigationUtil.resetToHomePage(this.props)
		}, 5000)
	}
	componentWillMount() {
		this.timer && clearTimeout(this.timer)
	}
	render() {
		return (
			<View style={styles.container}>
				<Text>
					WelcomePage</Text>
			</View>
		)
	}
}
const styles = StyleSheet.create({
	container: {
		flex: 1,
		justifyContent: "center",
		alignItems: "center"
	}
})