EditText 的 inputType属性(键盘类型)

http://blog.csdn.net/zhuzhiqiang_zhu/article/details/51220471

http://www.cnblogs.com/hiqc/p/4763844.html

http://www.th7.cn/Program/Android/201607/892476.shtml

http://blog.csdn.net/dajian790626/article/details/17798053