If you want to be certain Apple see this, please file a bug report at http://bugreport.apple.com
Dave On Mar 25, 2012, at 1:05 PM, Scott Andrew wrote: > I've uploaded a quick sample that shows what i have been seeing. I put some > NSLogs to show the deallocs for the NWColorViewController and NWColorLayer so > you can see dealloc being called. Load in instruments Allocations app and > switch back and forth a few times and end on the "Hide" tab. Basically this > is creating and destroying a color view controller (my real app does this as > a datasource for UIPageViewController). Go to the object list and filter by > NWLayerTest, you will small amounts of memory leaked where the view > controller was created and added to the subview. > > This is exactly what i am seeing in my code. Bits of runtime being left > behind. > > i have uploaded a sample project to > https://bitbucket.org/ScottAndrew/arc-memory-issue > > Scott > > On Mar 24, 2012, at 5:11 AM, T.J. Usiyan wrote: > >> Could you post the code for the sublayer and what is the residual memory? >> On Sat, Mar 24, 2012 at 4:17 AM, Scott Andrew >> <scottand...@roadrunner.com>wrote: >> >>> I seem to have hit a few limitations with ARC. >>> >>> 1.) Subclasses of CALayer are not being fully released which causes my >>> view controller to remain around. There is still some small bit of memory >>> being left behind. Even if I do the following simple code: >>> >>> -(void) viewDidLoad { >>> >>> [super viewDidLoad]; >>> >>> CNFooLayer* foo = [CNFooLayer layer]; >>> >>> [self.view.layer addSublayer:cup]; >>> } >>> >>> Cup is: >>> >>> @interface CNFooLayer : CALayer >>> @end >>> >>> >>> If you change the above too: >>> >>> [super viewDidLoad]; >>> >>> CALayer* foo = [CALayer layer]; >>> >>> [self.view.layer addSublayer:cup]; >>> >>> all is good. >>> >>> If I watch the object list the object allocations you can see that there >>> is residual memory left behind and my view controller is still around (even >>> though dealloc was called). >>> >>> 2.) I have a simple class with lost of properties that if i alloc and init >>> it will cause my hand created view controller to stick around. Remove the >>> alloc in the view controller and all is fine. >>> >>> I seem to be at the point now where need to remove arc and go back to >>> retain, release. The weird thing is leaks has no leaks, watching for my >>> viewController in statistics shows that it has gone away. However heapshot >>> shows residual and so does the object list. >>> >>> _______________________________________________ >>> >>> Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) >>> >>> 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: >>> https://lists.apple.com/mailman/options/cocoa-dev/griotspeak%40gmail.com >>> >>> This email sent to griotsp...@gmail.com >>> >> _______________________________________________ >> >> Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) >> >> 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: >> https://lists.apple.com/mailman/options/cocoa-dev/scottandrew%40roadrunner.com >> >> This email sent to scottand...@roadrunner.com > > _______________________________________________ > > Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) > > 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: > https://lists.apple.com/mailman/options/cocoa-dev/davelist%40mac.com > > This email sent to davel...@mac.com _______________________________________________ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) 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: https://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
