Tutorial - 9 - onClickListener

http://www.youtube.com/watch?v=WjE-pWYElsE

http://disp.cc/b/27-31Zq

http://www.jollen.org/blog/2009/06/jollen-android-programming-16.html

http://blog.csdn.net/dickren123/article/details/7216975

http://www.eoeandroid.com/blog-548102-1689.html

http://developer.android.com/reference/android/view/View.OnClickListener.html