how to center a view in its container swzift code example

Example 1: how to set the center in view in swift

childView.centerXAnchor.constraint(equalTo: parentView.centerXAnchor).isActive = true
childView.centerYAnchor.constraint(equalTo: parentView.centerYAnchor).isActive = true

Example 2: how to set the center in view in swift

childView.center = parentView.center