nestedanimation

nestedanimation

UIView.animate(withDuration: 5.0, animations: {
    self.coverView.alpha = 0.0
    self.coverBottomConstraint = newBottomConstraint
    self.view.layoutIfNeeded()
}) { _ in
   UIView.animate(withDuration: 5.0, animations: {
   }) { _ in 
        // nested animation
       UIView.animate(withDuration: 5.0, animations: {
       }) { _ in 
            // nested animation
       }
   }
}