TabActivity的替换做法

http://stackoverflow.com/questions/12382389/android-tabactivity-deprecated-use-fragments

http://android.codeandmagic.org/2011/07/android-tabs-with-fragments/

http://stackoverflow.com/questions/10996273/why-is-tabactivity-deprecated-reason

http://blog.csdn.net/xiaodao1986/article/details/7873013

http://greenhandtobe.blogspot.com/2012/05/androidtabactivitydeprecated.html

http://stackoverflow.com/questions/6827869/is-there-a-way-to-display-fragments-in-tabhost/6891923#6891923

http://thepseudocoder.wordpress.com/2011/10/04/android-tabs-the-fragment-way/

http://neilgoodman.net/2012/03/12/working-with-fragments-on-android-part-2/