Tab간의 자료 전달 :
http://www.androidpub.com/?_filter=search&mid=android_dev_qna&category=109120&search_target=title&search_keyword=tab&page=2&division=-1199544&last_division=-862263&document_srl=1063547
Tab을 눌렀을 때 새로고침 :
http://androidside.com/bbs/board.php?bo_table=B49&wr_id=15948
AlertDialog의 여러가지 표현방법 :
http://blog.naver.com/cwj3688?Redirect=Log&logNo=20115432132
http://tigerwoods.tistory.com/22
http://www.androidside.com/bbs/board.php?bo_table=B46&wr_id=13490
