摘要：
1http://blog.csdn.net/t12x3456/article/details/81601282http://www.cnblogs.com/androidez/archive/2013/03/12/2956107.html3http://blog.csdn.net/xiaanming/article/details/89666214http://blog.csdn.net/guolin_blog/article/details/8769904 阅读全文
摘要：
1http://blog.csdn.net/feng88724/article/details/63981932 阅读全文