How to stop and reverse a UIView animation?
In addition to the below (in which we grab the current state from the presentation layer, stop the animation, reset the current state from the saved presentation layer, and initiate the new animation), there is a much easier solution. If doing block-based animations, if you want to stop an animation and launch a new animation in iOS versions prior to 8.0, you can simply use the UIViewAnimationOpti
Custom property animation with actionForKey: how do I get the new value for the property?
In a CALayer subclass I'm working on I have a custom property that I want to animate automatically, that is, assuming the property is called "myProperty", I want the following code: [myLayer setMyProperty:newValue]; To cause a smooth animation from the current value to "newValue". Using the approach of overriding actionForKey: and needsDisplayForKey: (see following code) I was able to get it to ru
How to detect that animation has ended on UITableView beginUpdates/endUpdates?
I am inserting/deleting table cell using insertRowsAtIndexPaths/deleteRowsAtIndexPaths wrapped in beginUpdates/endUpdates. I am also using beginUpdates/endUpdates when adjusting rowHeight. All these operations are animated by default. How can I detect that animation has ended when using beginUpdates/endUpdates?
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