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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