The API Demos application includes a variety of small applications that illustrate the use of various Android APIs. It includes samples of:
- Notifications
- Alarms
- Progress Dialogs
- Intents
- Menus
- Search
- Persistent application state
- Preferences
- Background Services
- App Widgets
- Voice Recognition
- And many many more...
Api demos is designed to use the compatibility library "android-support-v4.jar". It is available through the SDK Updater in the "Android Compatibility package". Once downloaded, copy the jar file into the ApiDemos project libs/ folder. (If using Eclipse, add it manually to the project build path).
这是android SDK里的ApiDemos。 各个包里都有什么： accessibility易用性： animation动画： app：四大组件／fragment／系统服务 appwidget：桌面小部件 content：资源，数据，内容提供者 graphics：图像／拍照／OpenGL hardware media：多媒体 nfc os：sms preference：设置 security：keyStore text：文本 view
可参考： http://blog.csdn.net/column/details/mapdigitapidemos.html