1.http://elinux.org/images/d/dc/Inside_Android‘s_User_Interface.pdf
2.http://stackoverflow.com/questions/7776115/android-gui-architecture-relation-between-surface-view-window-canvas
3.https://himmele.googlecode.com/svn/trunk/Google%20Android/Android%20Graphics%20Architecture.pdf
4.https://source.android.com/devices/graphics/architecture.html
Android UI framework architecture
原文：http://my.oschina.net/u/552375/blog/525416