I want a UIView with a glowing or pulsing effect, like the status bar during a call on the iPhone. Does anyone know how I would go about doing this? I've experimented with NSTimer but can't seem to find how to go about this.
Thanks!
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A:
The animation API has the ability to message a callback you provide when the animation completes. You can use the API to daisy-chain together a series of animations from one state to another, giving the pulse effect you are looking for.
fbrereto
2010-03-29 04:06:44
Animations of the `[UIView beginAnimations:context:]` flavor would do you just fine like this.
Ian Henry
2010-03-29 04:10:51
Thanks. I guess what I'm looking for is what the callback is. I guess I could use the setAnimationDidStopSelector to call the method again. Is that how you would do this?
Jonah
2010-03-29 19:33:52
Yep, that selector is the one the API will invoke on your delegate when the animation completes. That's the "callback" to which I was referring.
fbrereto
2010-03-29 21:24:38