状态机变量、成员变量、静态变量、静态函数 的写法

import React, {Component} from 'react';
import {
    Platform,
    StyleSheet,
    View,
    Text,
    TextInput,
    PixelRatio,
} from 'react-native';

const instructions = Platform.select({
    ios: 'Press Cmd+R to reload,\n' +
    'Cmd+D or shake for dev menu',
    android: 'Double tap R on your keyboard to reload,\n' +
    'Shake or press menu button for dev menu',
});

export default class App extends Component {

    //静态成员变量
    static myStaticObject = 'init value';

    //静态成员函数
    static myStaticMethod () {
        console.log('myStaticMethod is called.');
    }

    constructor(props) {
        super(props);

        //成员变量
        this.newParam = '成员变量',

        //状态机变量
        this.state = {
            inputedNum: '',
        };
    }

     test() {
        App.myStaticObject = 'another value';//调用 静态成员变量
        App.myStaticMethod();//调用 静态成员方法
    }

    render() {

        return (
            container}>
                {this.state.inputedNum}
                {this.newParam}
            
        );
    }
}

const styles = StyleSheet.create({
    container: {
        flex: 1,
    }
});