Android下WIFI 完整测试工程。本程序用于一个钱箱控制项目。手机通过WIFI，用TCP协议控制钱箱开启和状态检测。同时支持ZXING条码识别。是个非常好的历程-Android WIFI project. It is used for a cash drawer control project. The android phone can control cash drawer open, and read cash drawer status, using WIFI, by TCP pr