뷰 에니메이션

[UIView animateWithDuration:1.0

delay:

options: 

animations:^{

// 에니메이션 수행

} 

completion:^(BOOL finished) {

// 에니메이션 완료 후

}];

ios7

[UIView animateWithDuration:

delay:

usingSpringWithDamping:

initialSpringVelocity:

options:

animations:^{

}

completion:^(BOOL finished) {

}];