对于后台服务程序，不能直接看到界面和实时运行详细情况。通过开启一个调试信息观测服务XView，可将程序中的调试信息、日志信息以网络方式分类汇总到这里进行观测。-Service procedures for the background, can not directly see the interface and real-time operating details. Open a debug information through observation Service XView, can process debugging information, log information to the network of sortation summary observations here.