Canlendar

http://yuncode.net/code/c_5120ff565b1674

http://www.eoeandroid.com/thread-314996-1-1.html

http://apk.tw/thread-492413-1-1.html

http://www.eoeandroid.com/thread-73488-1-1.html

http://droidwalk.blogspot.in/2012/11/android-calendar-sample.html?m=1

http://www.techrepublic.com/blog/software-engineer/programming-with-the-android-40-calendar-api-the-good-the-bad-and-the-ugly/