很好用的txt阅读器没有报错证实能用能用能用-Good use txt reader can confirm that there is no error er er er

这 是我网上找到的一个源代码程序加以修改的，是一个老人监护管理系统手机客户端，代码很好用，欢迎一起学习-This is a source code for a program I found online modify, was an elder care management system for mobile phone client code very good, welcome to learn together

手机具备条码扫描可以优化购物流程的功能，-Mobile phone has the function of bar code scanning, you can optimize the shopping process, fast storage of electronic business card (Er Weima), etc.