如何做一个android的股票widget

How to Implement an Android Stock Widget

Android平台提供的widget小工具,不但丰富了手机桌面,而且增强了用户实时获取信息的能力。一个股票widget的实现,涉及到Android的Activity、Service、Broadcast Receiver、Content Provider这四大组件,包含了网络通信、事件的添加与处理、后台服务、页面布局、消息通知、数据存储等诸多技术。从一个小小的桌面工具,就可以领略google Android API的强大功能。

The Android platform provides widget,a small tool.It's not only enriched the mobile phone's desktop and enhance the user's real-time access to information.The implementation of a stock widget,related to the android's Activity,Service,Broadcast Receiver,Content Provider these four components,including network communications,events added and processing,back-office services,page layout,message notification,data storage and many other technical,from a small desktop tool,you can enjoy the power of google android API.