???? ???? ??? ?????? ????*WatchKit ??? ?????? ???? ???? ???????? ?????? ????????? ??? ?????? *???? ?????? ?????? ???? ???? ?? ????* iOS 8.2 ??????? ???? ???? ???????? ????????? ??????? ?? ????? ??? ???? ??? ?????? ???? ???? ??? ????????? ???????? ???????.?????? ?????? ??? ?? ?????? ?? ????? ?????? ????? ??? ????? ???? ?????? ??????? ?????? 38 ??? ???? ????? ????*272 ?? 340 ??? ?????? ?????? 42 ??? ????? ????*312 ?? 390.????? ?????? ?? ???? ?????? ??? ?? ????? ????? ??????.[Apple Developer]