What's the difference between custom class and file's owner setting in xib file?
问题 In a custom xib file, what's the difference between the two following setting methods shown in the images below? 回答1: please check this link : What is the File's Owner (in Interface builder)? confused difference between Custom Class for an Object and for the File's Owner and steps via IB in first screen shot : you should set the custom class of your View . and in the second screen shot ( files owner ) you can Set the file's owner to your UIView subclass so that you can connect outlets to it