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Update animations to use UIViewPropertyAnimator#134
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kylebshr wants to merge 2 commits intoslackhq:masterfrom
Open
Update animations to use UIViewPropertyAnimator#134kylebshr wants to merge 2 commits intoslackhq:masterfrom
kylebshr wants to merge 2 commits intoslackhq:masterfrom
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kylebshr
commented
Feb 21, 2021
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| func makeAnimator() -> UIViewPropertyAnimator { | ||
| let animator = UIViewPropertyAnimator(duration: 0.5, dampingRatio: 0.7, animations: nil) |
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I think notifications are a great place for springy animations, and provided an example of a custom animator there.
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I really like this PR. Is this still applicable? |
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Summary
This PR has a couple goals:
UIViewPropertyAnimatorrather than properties that are provided toUIView.animateBoth of these are accomplished by using a
UIViewPropertyAnimatorfor animation transitions. I thought about how to model this for a while, and I think the solution I implemented works best with the current API design ofPanModal. I introduced a new function onPanModalPresentable:func makeAnimator() -> UIViewPropertyAnimator. This is a function becauseUIViewPropertyAnimatoris stateful, so a new one should be created for each animation. I avoided adding a delegate method to perform the animations because that is prone to user error, e.g., not calling the completion block. The default implementation creates an animator with the defaultUISpringTimingParameters, which matches the animation used to present modals in iOS (https://twitter.com/smileyborg/status/745310304481906688).RE: tests - there weren't any animation tests to improve upon. I'm happy to add some if the maintainers have any thoughts on what to test.
Fixes #133
Requirements (place an
xin each[ ])I've read and understood the Contributing Guidelines and have done my best effort to follow them.
I've read and agree to the Code of Conduct.
I've written tests to cover the new code and functionality included in this PR.