Preference的使用
https://blog.csdn.net/qinjuning/article/details/6710003/
https://blog.csdn.net/flowingflying/article/details/6671548
Android中Preference的使用以及监听事件分析
https://blog.csdn.net/wjky2014/article/details/78498700
https://blog.csdn.net/qinjuning/article/details/6710003/
Always Believe Something Beauitful Will Be Happen