CODEWITHSUNDEEP
iphonecocoa-touchuikitcore-animation
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Reputation: 40329

How can I pause a currently running animation?

I have a Core Animation running and want to pause it when a button is pressed. So there is a method -pauseAnimation. When the animation is paused, I want the animated view to stay in the state as it currently was while animating. i.e. if a view moves from top left to bottom right, and somewhere in the middle the animation is paused, the view should stay in the middle. Is there a way to do this?

as far as i can remember there is an setAnimationsEnabled=NO option, but that doesn't work when the animation runs, right?

Upvotes: 0

Views: 1189

Answers (2)

Douglas
Douglas

Reputation: 37763

You can pause layer animations by setting the speed of the animation to zero, see How to pause the animation of a layer tree.

Upvotes: 2

Andrew Pouliot
Andrew Pouliot

Reputation: 5421

You can do this by disabling animations and then setting the model layers' values to the presentation layers' values (for all properties that define your animation).

eg. layer.transform = layer.presentationLayer.transform;

Resuming the animation = re-enable animations and animate from current positions to the desired final positions (you might have to adjust curves, etc to get something acceptable).

Upvotes: 1

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