http://blog.naver.com/PostView.nhn?blogId=oh4zzang&logNo=40111693903



http://blog.naver.com/PostView.nhn?blogId=buddy213&logNo=10112676413


http://stackoverflow.com/questions/19403348/how-to-pass-variable-from-notificationmanager-to-an-activity-in-android << Good


http://stackoverflow.com/questions/13742749/notification-not-working-with-android-4-0