animatekeyframes

animatekeyframes

UIView.animateKeyframes(withDuration: 5.0, delay: 0.0, options: [], animations: {
    UIView.addKeyframe(withRelativeStartTime: 0.0, relativeDuration: 0.25, animations: {
        self.coverView.alpha = 0.0
        self.coverBottomConstraint = newBottomConstraint
        self.view.layoutIfNeeded()
    })
    
    UIView.addKeyframe(withRelativeStartTime: 0.2, relativeDuration: 0.25, animations: {
        self.setupMoveCenter()
    })
    
    UIView.addKeyframe(withRelativeStartTime: 0.4, relativeDuration: 0.25, animations: {
        self.moveCenter.center = self.view.center
    })
    
    UIView.addKeyframe(withRelativeStartTime: 0.6, relativeDuration: 0.25, animations: {
        self.setupConstraintsViewAndAnimate()
    })
    
    UIView.addKeyframe(withRelativeStartTime: 0.8, relativeDuration: 0.25, animations: {
        self.combinationView.backgroundColor = .blue
        self.combinationView.frame = CGRect(x: 200, y: 500, width: 200, height: 200)
        self.view.addSubview(self.combinationView)
        
        let translate = CGAffineTransform(translationX: 100, y: 100)
        let rotate = CGAffineTransform(rotationAngle: 1600)
        let scale = CGAffineTransform(scaleX: 0.5, y: 0.5)
        
        self.combinationView.transform = translate.concatenating(rotate).concatenating(scale)
    })
}
)