Re: CALayer's delegate prevents implicit animation?
Re: CALayer's delegate prevents implicit animation?
- Subject: Re: CALayer's delegate prevents implicit animation?
- From: David Duncan <email@hidden>
- Date: Wed, 18 Dec 2013 11:13:28 -0800
What is the identify of your delegate?
On Dec 18, 2013, at 10:51 AM, Seth Willits <email@hidden> wrote:
> Short version:
>
> In 10.9 only: My CALayer's delegate doesn't implement **any** delegate methods, but because a delegate is set, the layer's position will not implicitly animate. If I don't set it, it works fine.
>
>
>
>
> Longer version:
>
> I have a view hosting a very plain root layer, and then this layer in question as a sublayer of that root layer.
>
>
> rootLayer = [[CALayer alloc] init];
> self.layer = rootLayer;
> self.wantsLayer = YES;
>
> rootLayer.frame / bounds / delegate = ...;
>
> sublayer = [[CALayer alloc] init];
> sublayer.frame / bounds = ...;
> sublayer.delegate = self;
>
>
>
> Later on I simply move it...
>
> [CATransaction begin];
> [CATransaction setAnimationDuration:1.0];
> [CATransaction setAnimationTimingFunction:[CAMediaTimingFunction functionWithName:kCAMediaTimingFunctionEaseInEaseOut]];
>
> sublayer.position = newPosition;
> [CATransaction commit];
>
>
>
> ... and it's not animating. I have narrowed it down to the delegate being non-nil, even if the delegate implements none of the delegate methods. If I don't set it, it works fine. This was working fine for yeeeeeeears and now in 10.9 it's behaving differently.
>
>
> What could possibly be happening?
>
>
>
> --
> Seth Willits
>
>
>
>
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--
David Duncan
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