Add animation to the picture does not respond after the event?

By subclassing uiimageview, then their own definition an agent, the agent can respond via touch events, but adds to the picture after the animation can not respond to events on the [imageView.layer addAnimation: [self animation] forKey: @ "position"]; < br />Who encountered such problems, help answer is, thank you.
Reply:
View UIimageview location, where layers of information.
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Can not access that method. . . .

May not be passed over
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Actual position did not seem to follow the animation changed, how this process?

cited a floor ybh37 reply:

View UIimageview location, where layers of information.