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Designing Interfaces for iOS 6 and iOS 7 | Big Nerd Ranch
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日期:2025-06-27
Let’s walk through this code. The code above uses the topLayoutGuide property of view controllers to determine if you are running on iOS 6 or iOS 7, as it is an iOS 7-only property. This property is closely related to laying out interfaces, so you use thi...看更多