[iOS] Constraint설정 isActive vs addConstraints vs NSLayoutConstraint

Constraint를 코드로 설정하려고 하는데, 방법이 다양해서 구글링을 하여 아래 글을 참고하였다. https://stackoverflow.com/questions/39938900/ios-constraint-style-addconstraints-vs-isactive-true iOS constraint style: addConstraints vs .isActive = true I have some code which is creating auto-layout constraints programatically, and adding them to a view. There are two ways to do this - call addConstraints on the superView, or set .isAct..