Re: CALayer and Memory Management
Re: CALayer and Memory Management
- Subject: Re: CALayer and Memory Management
- From: David Duncan <email@hidden>
- Date: Mon, 15 Dec 2008 09:48:02 -0800
On Dec 14, 2008, at 5:08 PM, Dimitri Bouniol wrote:
I'm at a loss when it comes to releasing CALayers.
Read and follow the memory management guidelines, CALayers follow them
perfectly.
<http://developer.apple.com/documentation/Cocoa/Conceptual/MemoryMgmt/Tasks/MemoryManagementRules.html
>
Since you can only create a layer with [CALayer layer] (docs advise
not to use [[CALayer alloc] init])
The only advisory I'm aware of is against -initWithLayer: Could you
point out where you saw the advisory against -init?
I would assume that the instance is automatically autoreleased.
Yes, a layer obtained via [CALayer layer] is not your responsibility
to dispose of.
However, after looking through apple's sample code on a menu built
with core animation, the layers were autoreleased in the dealloc
method (this doesn't work too well if the layers aren't instance
variables).
If you've found a bug with Apple Sample Code, then please file a bug
report against that sample code.
Basically, here's my question: When (if ever) are you supposed to
(auto)release CALayers?
If you follow the memory management rules, you will be fine.
--
David Duncan
Apple DTS Animation and Printing
_______________________________________________
Cocoa-dev mailing list (email@hidden)
Please do not post admin requests or moderator comments to the list.
Contact the moderators at cocoa-dev-admins(at)lists.apple.com
Help/Unsubscribe/Update your Subscription:
This email sent to email@hidden