shunghsiyu/MessengerApp — pull request #12 by DandanWang (2014-05-07 20:31:45+00:00)
Title: updated MainActivity to optimize the image-sending code.

create a new method named imageSendingSameCode, and call this method when send seven
expressions.
create a new xml named rectangle to change the button shape.
updated the main.xml to chage the button shape