export const showModal = (component) => {
? ? sibling = new RootSiblings(component);
};

export const destroySibling = (component) => ?sibling && sibling.destroy()

export const update = (index, component) => sibling && sibling.update(<View>{component}</View>)

//ShowModal.js
import React from 'react';
import {View} from 'react-native';
import RootSiblings from 'react-native-root-siblings'; ?//全局彈框組件
let sibling = null;
export const showModal = (component) => {
? ? sibling = new RootSiblings(component);
};
export const destroySibling = (component) => ?sibling && sibling.destroy()
export const update = (index, component) => sibling && sibling.update(<View>{component}</View>)

import React from 'react';
import {Animated, InteractionManager, Easing, TouchableOpacity} from 'react-native';
import {getScreenHeight, getScreenWidth} from '../../utils/util';
import {destroyLastSibling} from '../showModal/ShowModal';
export default class ModalBg extends React.Component {
? animated = new Animated.Value(0);

? isShow = false;

? componentDidMount(): void {
? ? InteractionManager.runAfterInteractions(() => {
? ? ? this.handleAni();
? ? });
? }

? componentWillUnmount(): void {
? ? InteractionManager.runAfterInteractions(() => {
? ? ? this.handleAni();
? ? });
? }

? handleAni = () => {
? ? Animated.timing(this.animated, {
? ? ? toValue: this.isShow ? 0 : 1,
? ? ? duration: 250,
? ? ? easing: Easing.ease
? ? }).start(() => this.isShow = !this.isShow);
? };

? render() {
? ? const opct = this.animated.interpolate({
? ? ? inputRange: [0, 1],
? ? ? outputRange: [0, 0.4]
? ? });
? ? return <Animated.View style={{
? ? ? position: 'absolute',
? ? ? width: getScreenWidth(),
? ? ? height: getScreenHeight(),
? ? ? backgroundColor: '#000',
? ? ? opacity: opct,
? ? ? zIndex: 10
? ? }}><TouchableOpacity onPress={() => {
? ? ? destroyLastSibling();
? ? }} style={{flex: 1}} /></Animated.View>;
? }
}

showModal(<ModalBg />);