android 多线程

参考： http://www.cnblogs.com/plokmju/p/android_handler.html

http://blog.csdn.net/guolin_blog/article/details/9991569

http://blog.csdn.net/guolin_blog/article/details/9991569

 

handler

http://blog.csdn.net/mylzc/article/details/6736988