iOS performSelector 사용하기

시간딜레이를  줘서 함수를 실행시켜줄때 사용한다.

[self performSelector:@selector(ViewCheck:) withObject:넘겨줄값 afterDelay:시간값];

ex)

[self performSelector:@selector(ViewCheck:) withObject:[NSString stringWithFormat:@"%d",1] afterDelay:5.f];