[iOS] animateWithDuration: delay: options: animations: completion: 함수 사용 예

[UIView animateWithDuration:2.0 

      delay:0 

    options:UIViewAnimationCurveLinear 

 animations:^(void){

goLogo.hidden = NO;

goLogo.alpha = 1.0;

            }

 completion:^(BOOL finished){

                 [NSThread sleepForTimeInterval:1.0];

goLogo.hidden = YES;

            }

];