Re: CABasicAnimation in a view that's covered by another?
Re: CABasicAnimation in a view that's covered by another?
- Subject: Re: CABasicAnimation in a view that's covered by another?
- From: "Eric E. Dolecki" <email@hidden>
- Date: Tue, 22 Nov 2016 19:22:35 +0000
If the panel is up covering the UIImageView and the cross-fade is called,
and I bring the panel back down, exposing the UIImageView, the cross-fade
did not take place, the image not updated. That's how I know.
If I time the crossfade on closing the panel... a 10th of a second after
the panel starts to move (thus exposing a tiny bit of the UIImageView
before the crossfade), it works. How strange is this?
On Tue, Nov 22, 2016 at 1:57 PM David Duncan <email@hidden> wrote:
>
> > On Nov 22, 2016, at 7:26 AM, Eric E. Dolecki <email@hidden> wrote:
> >
> > I have a cross-fading album art thing happening. When I can see the
> > imageview it works fine, if it's totally covered by another view (a
> panel I
> > slide up), it seems to not change. Is this a known thing? Doesn't seem
> > right - I am trying to track down other related things to see.
>
> What do you mean by “seems to not change”? Can you see the view through
> the panel you slide up? If not, how can you tell what is going on?
>
> >
> > myfade = CABasicAnimation(keyPath: "contents")
> > myfade.duration = 0.4
> > myfade.fromValue = largeAlbumCover.image!.cgImage
> > myfade.toValue = artImage?.cgImage
> > myfade.delegate = self
> > largeAlbumCover.layer.add(myfade, forKey:
> "animateContents")
> > largeAlbumCover.image = artImage
> >
> > Thanks,
> > Eric
> > _______________________________________________
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> --
> David Duncan
>
>
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