react-native-video-controls，音频不起作用

Question

运行

iPhone 6

仿真器

iPhone 7 Plus 10.2.1
iPhone 6

设备

"dependencies": {
"axios": "^0.15.3",
"native-base": "^2.0.13",
"react": "15.4.2",
"react-native": "^0.42.0",
"react-native-elements": "^0.10.0",
"react-native-image-slider": "^1.1.5",
"react-native-material-buttons": "^0.2.0",
"react-native-md-textinput": "^2.0.4",
"react-native-video": "^1.0.0",
"react-native-video-controls": "^1.1.1"
},

包JSON文件

import React, { Component} from 'react';
import {
AppRegistry,
StyleSheet,
Text,
View,
StatusBar,
KeyboardAvoidingView,
TabBarIOS,
Image
} from 'react-native';
import { Container, Content, Card, CardItem, Tabs, Tab, Left, Body,Thumbnail,Footer, FooterTab, Button, Icon } from 'native-base';

import VideoPlayer from 'react-native-video-controls';
export default class Test extends Component {

render() {
    return (
      <View style={styles.ViewContainer}>
      <VideoPlayer
        source={{ uri: 'https://vjs.zencdn.net/v/oceans.mp4' }}
        navigator={ this.props.navigator }
        />
      </View>
    );
}
}

以下代码

    window.calculator = window.calculator || {};

    (function() {
        var result;
        var adding = function(one, two) {

            var one1 = document.forms["myForm"]["one"].value;
            var two2 = document.forms["myForm"]["two"].value;

            var one=parseFloat(one.replace(/\,/g,'')); 
            var two=parseFloat(two.replace(/\,/g,''));

            result = parseInt(one1) + parseInt(two2);
            console.log(result);


            var number = document.getElementById("number");
            number.innerHTML = result;
            console.log(one, two, result)
            return result;

        }

        window.calculator.init = function() {
            document.getElementById('add').addEventListener('click', adding);
        };
    })();