Dave,
Thanks for the pointer. I had corrected the original array enumeration
error, and forgotten. But no matter how I try to access a sublayer I
seem to have a problem.
When I now try your suggestion I still get a crash. The call stack
shows, in order of execution:
[CALayer setSublayers:]
CALayerUpdateSublayers
updateRemovedSublayer
CALayerMarkVisible
.
.
objc_msgSend (EXC_BAD_ACCESS)
Can you suggest what might be wrong?
Dennis Christopher
On Jan 10, 2009, at 12:43 PM, David Duncan wrote:
On Jan 9, 2009, at 12:19 PM, Dennis Christopher wrote:
NSArray *theLayers = [[self layer] sublayers];
for(CALayer *layer in sublayers) {
[layer removeFromSuperlayer];
I'm new to CALayer and at a loss as to what could be wrong with this.
Any suggestions would be appreciated.
(I've read through most of Dudney's Core Animation book but nothing
jumps out at me.)
I would suspect that you'd see a message on the console to the effect
of "modifying an array while enumerating it". I think you can replace
this more simply by just doing [[self layer] setSublayers:nil].
--
David Duncan
Apple DTS Animation and Printing
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