Re: Help reading cocoa docs - finding info about return objects and autorelease / memory management.
Re: Help reading cocoa docs - finding info about return objects and autorelease / memory management.
- Subject: Re: Help reading cocoa docs - finding info about return objects and autorelease / memory management.
- From: "aaron smith" <email@hidden>
- Date: Thu, 11 Dec 2008 16:27:17 -0800
Thanks Wyatt.
On Thu, Dec 11, 2008 at 4:28 PM, Wyatt Webb <email@hidden> wrote:
> Have a look at the Memory Management Programming Guide for Cocoa. Especially
> the section on Object Ownership and Disposal. The trick is in the name of
> the methods you call to get the reference. Generally, methods with "alloc",
> "new", or "copy" in the name are making you responsible for releasing.
> Others do not and you would need to retain if you expect to hang on to them
> for a while.
>
> http://developer.apple.com/documentation/Cocoa/Conceptual/MemoryMgmt/Concepts/ObjectOwnership.html#//apple_ref/doc/uid/20000043-BEHDEDDB
>
> Wyatt
>
> On Dec 11, 2008, at 4:13 PM, aaron smith wrote:
>
>> Hey All,
>>
>> Quick question, what is the best way to determine what kind of cleanup
>> I need to do with objects that were returned from other objects'
>> methods, or class methods.
>>
>> For example, the NSTextField has a method called (NSString
>> *)stringValue - which returns a string of the value in the text box.
>> how do I know if that NSString will have a retain count of 1 when
>> returned to me, or if it was autoreleased before being returned to me.
>>
>> Beyond just that example, is there any other cheat sheets, or more
>> documentation in the cocoa docs about those types of concerns?
>>
>> Thanks.
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