ios swift animation animation

native

Creating Simple View Animations in Swift | iOS Tutorial

iOS spring effect animation 

 

facebook pop 

源码：GitHub - facebookarchive/pop: An extensible iOS and OS X animation library, useful for physics-based interactions.

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iOS animation articles - pop animation library - short book

Creating Animations Using Facebook's Pop Framework in iOS

Spring

GitHub - MengTo/Spring: A library to simplify iOS animations in Swift.

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iOS animation and special effects (6) Swift animation library spring usage and code disassembly | Liu Yanwei's technical blog

iOS excellent framework Spring commonly used animation effects (Swift) - Programmer Sought