In the world of Android, an Activity is the point at which you make contact with your users. It s a screen where you capture and present information to the user. You can construct your Activity screens by using either: XML layout files or hard-

轻量级xml文件解析，使用标准c语言，简单修改后可以移植到嵌入式系统。-Simple modifications can be transplanted to the embedded system

基于QT编写的QML示例文件，为设计嵌入式UI提供一种方式。-Based on XML sample files QT prepared for the design of embedded UI provides a way.

POCO C++包含四个核心库和一些附加库。核心库包括Foundation,XML,Util和Net,还有两个附加库，一个是NetSSL，主要在Net库中网络类中提供SSL支持；一个是Date库，在不同的SQL库中提供统一的接口访问。POCO C++以网络中心的跨平台 C++软件开发为目标，就像苹果的Cocoa之于Mac开发, 或Ruby on Rails 之于Web开发—样强大而不失简单并有趣的用于创建应用平台。-Modern, powerful open source C++ class l