Positioning Content Relative to the Safe Area safe area에 대한 콘텐츠의 위치를 지정 Position views so that they are not obstructed by other content. 다른 내용에 방해되지 않도록 뷰를 배치합니다. Overview Safe areas help you place your views within the visible portion of the overall interface. UIKit-defined view controllers may position special views on top of your content. For example, a navigation controller displays a naviga..