kangaroo/js/page/MyPage.js

import React from "react"
import { View, Text, StyleSheet } from "react-native"

export default class MyPage extends React.Component {
    render() {
        return (
            <View style={styles.container}>
                <Text>MyPage</Text>
            </View>
        )
    }
}
const styles = StyleSheet.create({
    container: {
        flex: 1,
        justifyContent: "center",
        alignItems: "center",
        backgroundColor: "#0ff"
    }
})