How to override requiresConstraintBasedLayout in UIView using Swift 3?

Question

In the UIView, docs, it is stated that you must override requiresConstraintBasedLayout to return true in your custom view if if needs constraints to work.

How do you do this using Swift 3?

Answer 1

Use the following syntax for overriding the getter:

override open class var requiresConstraintBasedLayout: Bool {
    get {
        return true
    }
}

Answer 2

To override the requiresConstraintBasedLayout getter you can simply use:

override open class var requiresConstraintBasedLayout: Bool {
    return true
}