react-native/Libraries/LayoutAnimation
Janic Duplessis baa3668160 Add support for delete animation in LayoutAnimation on iOS
Summary:This adds support for delete view animations in LayoutAnimation for iOS. It supports the same properties as the create animation (alpha, scale).

This allows making simple animations when removing a view which is normally hard to do in React since we need to not remove the view node immediately.

**Test plan**
Tested add/removing views in the UIExample explorer with and without setting a LayoutAnimation. Also tested that the completion callback still works properly. Tested that user interation during the animation is properly disabled.

![layout-anim2](https://cloud.githubusercontent.com/assets/2677334/14595471/86fb1654-050d-11e6-8b38-fe45cc2dcd71.gif)

I also plan to work on improving the doc for LayoutAnimation as well as making this PR for android too.
Closes https://github.com/facebook/react-native/pull/6779

Differential Revision: D3215525

Pulled By: sahrens

fb-gh-sync-id: 526120acd371c8d1af433e8f199cfed336183775
fbshipit-source-id: 526120acd371c8d1af433e8f199cfed336183775
2016-04-25 00:19:25 -07:00
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LayoutAnimation.js Add support for delete animation in LayoutAnimation on iOS 2016-04-25 00:19:25 -07:00