Java线程池和Android Handler

Handler:
http://blog.csdn.net/wanglong0537/article/details/6304239

thread pool:
http://www.jcodecraeer.com/a/anzhuokaifa/androidkaifa/2013/0304/958.html
http://blog.sina.com.cn/s/blog_a5f093b401015npp.html
http://blog.csdn.net/jadyer/article/details/7338080