react-native 编译报错： undefined is not an object (evaluating '_react2.PropTypes.func')

情况通报：

因为是我的二维码模块报错，提示报错代码如下

重要信息是下面的红色字体部分（Android 模拟器红屏）

undefined is not an object (evaluating '_react2.PropTypes.func')
<unknown>
D:CDM_POS_APPpos_shouy ode_modulesreact-native-smart-barcodeBarcode.js:38:33
loadModuleImplementation
D:CDM_POS_APPpos_shouy ode_modulesmetro-bundlersrcResolverpolyfills equire.js:178:12
guardedLoadModule
D:CDM_POS_APPpos_shouy ode_modulesmetro-bundlersrcResolverpolyfills equire.js:130:36
_require
D:CDM_POS_APPpos_shouy ode_modulesmetro-bundlersrcResolverpolyfills equire.js:110:20
<unknown>
D:CDM_POS_APPpos_shouysrcQrcodeView.js:17
loadModuleImplementation
D:CDM_POS_APPpos_shouy ode_modulesmetro-bundlersrcResolverpolyfills equire.js:178:12
guardedLoadModule
D:CDM_POS_APPpos_shouy ode_modulesmetro-bundlersrcResolverpolyfills equire.js:130:36
_require
D:CDM_POS_APPpos_shouy ode_modulesmetro-bundlersrcResolverpolyfills equire.js:110:20
<unknown>
D:CDM_POS_APPpos_shouyApp.js:31
loadModuleImplementation
D:CDM_POS_APPpos_shouy ode_modulesmetro-bundlersrcResolverpolyfills equire.js:178:12
guardedLoadModule
D:CDM_POS_APPpos_shouy ode_modulesmetro-bundlersrcResolverpolyfills equire.js:130:36
_require
D:CDM_POS_APPpos_shouy ode_modulesmetro-bundlersrcResolverpolyfills equire.js:110:20
<unknown>
D:CDM_POS_APPpos_shouyindex.js:2
loadModuleImplementation
D:CDM_POS_APPpos_shouy ode_modulesmetro-bundlersrcResolverpolyfills equire.js:178:12
guardedLoadModule
D:CDM_POS_APPpos_shouy ode_modulesmetro-bundlersrcResolverpolyfills equire.js:123:45
_require
D:CDM_POS_APPpos_shouy ode_modulesmetro-bundlersrcResolverpolyfills equire.js:110:20
global code

解决办法：

找到错误位置的：D:CDM_POS_APPpos_shouy ode_modules eact-native-smart-barcodeBarcode.js

PropTypes 放在了react 中引入，但是还是出错
Undefined is not an object(evaluating ‘_react2.PropTypes.func’)

正确写法：

import React, { Component } from 'react';

import PropTypes from 'prop-types';

把PropTypes 从prop-types 中引入

最终截图：