How to stop your view going under the navigation bar using edgesForExtendedLayout
About 1 min
How to stop your view going under the navigation bar using edgesForExtendedLayout 관련
UIKit - free Swift example code
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How to stop your view going under the navigation bar using edgesForExtendedLayout | UIKit - free Swift example code
How to stop your view going under the navigation bar using edgesForExtendedLayout
Available from iOS 7.0