build mockup
studyroom add rules, TODO : soft keyboard hide
hide/show softkeyboard done
chat done
chat load from sqlite done
image upload from gallery done
add Profile activity
profile image change done
send image done
in Studyroom, you can invite more friends
if bufferedWriter is null, create
gcm message get ... but need to fix more
gcm message get ... image, I want to change dialog to only notification bar
make kick off interface
get keyboard height done && volley get request queu bug fixed
add additional page in study room
in StudyRoomActivity, make interface to send myAccomplishedTime
mark isMaster in StudyRoomActivity
friend_list_item.xml refactor
kickOffMemeber in Studyroom done -> TODO : view refresh