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Home > iOSDevLog > 732. Pro iOS Table Views and Collection Views-代码介绍17
Podcast: iOSDevLog
Episode:

732. Pro iOS Table Views and Collection Views-代码介绍17
Category: Technology
Duration: 00:20:03
Publish Date: 2016-09-04 23:35:35
Description: http://v.youku.com/v_show/id_XMTcxMzEyOTAzNg==.html?beta&

CHAPTER 17: Animated and Interactive Collection Views

add Gesture call invalidateLayout()


func prepareForCollectionViewUpdates(updateItems: [UICollectionViewUpdateItem])

func initialLayoutAttributesForAppearingItemAtIndexPath(itemIndexPath: NSIndexPath) -> UICollectionViewLayoutAttributes?

func finalLayoutAttributesForDisappearingItemAtIndexPath(itemIndexPath: NSIndexPath) -> UICollectionViewLayoutAttributes?
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