android官方文档学习记录

sdk下的ApiDemos
http://stackoverflow.com/questions/4629699/is-it-possible-to-reinstall-removed-android-apis
为什么install selected

这个路径下的D:\android-sdk-windows\samples\android-8\ApiDemos

ApiDemos 跑不起来的解决办法

Go to Settings -> Applications -> Manage Applications click on Api Demos and uninstall it.
http://stackoverflow.com/questions/6294165/problem-with-running-apidemos-in-eclipse
其他demos

That example shows how to draw text along a path such as a circle.
http://stuffthathappens.com/blog/2008/11/13/android-animation-101/
Graphics

->2D Graphics
http://developer.android.com/guide/topics/graphics/2d-graphics.html#tween-animation
中文翻译参考（有好几处翻错了。）
http://www.cnblogs.com/feisky/archive/2010/01/08/1642567.html
User Interface
http://developer.android.com/guide/topics/ui/index.html
中文参考
http://blog.csdn.net/jason_wks/article/details/6619224