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Re: loaded object: (0x0)
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Re: loaded object: (0x0)


  • Subject: Re: loaded object: (0x0)
  • From: "Patrick M. Rutkowski" <email@hidden>
  • Date: Wed, 12 May 2010 16:19:11 -0400

Yeah, your wrong :-p

After the whole Nib loading process, the main_object ends up having a
retainCount of 1, and is also in the autorelease pool.

So, it will be released in the future, no matter what (unless I retain
it, of course; which I don't).

-Patrick

On Wed, May 12, 2010 at 4:14 PM, Rafael Cerioli
<email@hidden> wrote:
> Ok, but I meant that if you use your setter setMain_object: afterward, your first main_object will be leaked, correct me if I'm wrong ?
>
>
> Le 12 mai 2010 à 15:48, Patrick M. Rutkowski a écrit :
>
>> Nope, there's no leaks or bad accesses with the "assign" in the
>> @property on main_object.
>>
>> main_object will end up having a retainCount of 1, and be in the
>> autorelease pool, destined to be freed; it's all as I wanted.
>>
>> It's all in line with what's described in
>> http://developer.apple.com/mac/library/DOCUMENTATION/Cocoa/Conceptual/LoadingResources/CocoaNibs/CocoaNibs.html
>>
>> On Wed, May 12, 2010 at 3:37 PM, Rafael Cerioli
>> <email@hidden> wrote:
>>> In addition, don't you need a retain policy for your main_object property ? I'm not sure of the behavior of the nib loading process, but in the best case I think you will have a leak there, in the worst case, a bad access.
>>>
>>> Rafael
>>>
>>> Le 12 mai 2010 à 14:57, Gustavo Pizano a écrit :
>>>
>>>> Hello Patrick,
>>>>
>>>> I don't know but I see weird the way you initialize the MyFilesOwner..
>>>>
>>>> Normally I would do ..
>>>>
>>>> MyFieOwner * owner = [[MyFileOnwer alloc] iniWithNibName:@"Test" nibBundle:nil];
>>>>
>>>> of course taking into mind that MyFileOnwer would be a NSViewController,  which in your example is not.
>>>>
>>>>
>>>> but your error is
>>>>
>>>>    [
>>>>        NSBundle
>>>>        loadNibNamed: @"TestNib.xib"
>>>>        owner:        owner
>>>>    ];
>>>>
>>>> it should be
>>>>
>>>>
>>>>    [
>>>>        NSBundle
>>>>        loadNibNamed: @"TestNib"
>>>>        owner:        owner
>>>>    ];
>>>>
>>>>
>>>> Gustavo
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>> On May 12, 2010, at 8:35 PM, Patrick M. Rutkowski wrote:
>>>>
>>>>> I'm so horribly confused about why the below sample project fails to
>>>>> load the object from "TestNib.xib".
>>>>>
>>>>> I expect to print something like:
>>>>> loaded object: (<SOME_POINTER_HERE>)
>>>>>
>>>>> But instead I just get:
>>>>> loaded object: (0x0)
>>>>>
>>>>> Could someone help clue me in?
>>>>>
>>>>> Test Project: http://www.rutski89.com/static/TestApp.zip
>>>>>
>>>>> I could just be really tried today, did I make a silly type-o somewhere?
>>>>> -Patrick
>>>>>
>>>>>
>>>>> P.S.
>>>>> I tried changing the "main_object" property from assign to retain, but
>>>>> it didn't help.
>>>>> _______________________________________________
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>>>>
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>>>>
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>
>
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References: 
 >loaded object: (0x0) (From: "Patrick M. Rutkowski" <email@hidden>)
 >Re: loaded object: (0x0) (From: Gustavo Pizano <email@hidden>)
 >Re: loaded object: (0x0) (From: "Patrick M. Rutkowski" <email@hidden>)

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