huiliao-app/huiliaoAPP/src/components/BackButton.js

import React,{Component} from 'react';

import {View,Image} from 'react-native';
import Device from '../tool/Device'


 class BackButton extends Component{

    render(){
        return (
            <View style={{paddingLeft:Device.scale(11),paddingRight:Device.scale(6)}}>
                <Image source={require('../../assets/2x/return.png')} style={{height:Device.scale(19),width:Device.scale(10)}}></Image>
            </View>
    )
    }

}

export default BackButton;