Constraints

Swift

public class func active(item view1: Any!,
                         attr attr1: NSLayoutConstraint.Attribute,
                         relatedBy relation: NSLayoutConstraint.Relation,
                         to view2: Any?,
                         attr attr2: NSLayoutConstraint.Attribute,
                         multiplier: CGFloat = 1.0,
                         constant: CGFloat = 0,
                         priority: Float = 1000,
                         identifier: String? = nil)