可以在安卓系统打印出树的层次结构，采用的是java的泛型编程，只需自己写节点类型和xml文件就可以实现自己的树。-You can print out the Android hierarchy tree, using generic programming java, just write your own node types and xml file you can implement your own tree.

实现无线控制,无线路由器的桌面程序,包括节点的状态,信道的多少等等(Wireless control, wireless router desktop program, including the status of the node, the number of channels, and so on)