How do I round a button programmatically in Android?

How do I round a button programmatically in Android?

References

Reference NO 1

http://stackoverflow.com/questions/15194522/how-do-i-round-a-button-programmatically-in-android

Reference NO 2

http://stackoverflow.com/questions/13842447/android-set-button-background-programmatically

Reference NO 3

http://www.betaful.com/2012/01/programmatic-shapes-in-android/

Reference NO 4

http://android.bigresource.com/Android-Changing-style-attribute-of-button-according-to-its-state-cLqA5pjyF.html

Reference NO 5

http://belencruz.com/2012/12/rounded-button-with-shadow-in-android/

Reference NO 6

http://forumarray.com/android-android-change-button-background-programmatically-446016

Reference NO 7

http://lovingandroid.blogspot.com/2011/08/rounded-corner-button.html

Reference NO 8

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