2014-09-24 18 views

回答

5

只需添加协议定义自定义类是不够的。您必须至少提供UIPageViewControllerDataSource协议的两项必需功能:

func pageViewController(pageViewController: UIPageViewController, viewControllerBeforeViewController viewController: UIViewController) -> UIViewController? 

func pageViewController(pageViewController: UIPageViewController, viewControllerAfterViewController viewController: UIViewController) -> UIViewController? 
+0

感谢您为我解决问题:) – nikhil84 2014-09-25 04:32:18

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