之前关于二维码扫描这块都是集成别人已经封装好的开源库，自己一直没有去细致的学习。二维码作为应用开发中不可或缺的组件，那么接下来的一段时间主要围绕官方zxing项目android模块的深入学习
rc-android-zxing（branch）
├── master # 项目主分支：主要用作实践封装发布版本
├── dev # 项目开发分支：主要对源码学习后的实践封装抽取开发
└── origin # zxing官方源码：主要用作源码学习
- 官方项目导入步骤
Copyright (c) 2019 Jerry xu.
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