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Re: ARC not ready for primetime?
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Re: ARC not ready for primetime?


  • Subject: Re: ARC not ready for primetime?
  • From: "T.J. Usiyan" <email@hidden>
  • Date: Sat, 24 Mar 2012 08:11:33 -0400

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 <email@hidden>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.
>
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