Created
November 6, 2016 13:28
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var buttonLeftConstraint: NSLayoutConstraint? | |
func pureLayout() { | |
buttonLeftConstraint = animateButton.autoPinEdge(toSuperviewEdge: .left, withInset: 20) | |
animateButton.autoPinEdge(toSuperviewEdge: .top, withInset: 50) | |
animateButton.autoSetDimensions(to: CGSize(width: 100, height: 100)) | |
} | |
func animate() { | |
UIView.animate(withDuration: 1) { | |
let random: Double = Double(arc4random_uniform(200)) | |
self.buttonLeftConstraint?.constant = random | |
self.view.layoutIfNeeded() | |
} | |
} | |
/// | |
var buttonLeftConstraint: NSLayoutConstraint? | |
func anchorLayout() { | |
animateButton.translatesAutoresizingMaskIntoConstraints = false | |
buttonLeftConstraint = animateButton.leftAnchor.constraint(lessThanOrEqualTo: view.leftAnchor, constant: 20) | |
buttonLeftConstraint?.isActive = true | |
animateButton.topAnchor.constraint(equalTo: view.topAnchor, constant: 50).isActive = true | |
animateButton.widthAnchor.constraint(equalToConstant: 100).isActive = true | |
animateButton.heightAnchor.constraint(equalToConstant: 100).isActive = true | |
} | |
func animate() { | |
UIView.animate(withDuration: 1) { | |
let random: CGFloat = CGFloat(arc4random_uniform(200)) | |
self.buttonLeftConstraint?.constant = random | |
self.view.layoutIfNeeded() | |
} | |
} |
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