Re: NSClassFormString returning nil.
Re: NSClassFormString returning nil.
- Subject: Re: NSClassFormString returning nil.
- From: Gustavo Pizano <email@hidden>
- Date: Wed, 04 May 2011 19:55:14 +0200
Ok I solved it,, I didn't need to link again cocos2d into the final app... then all went ok
the NSClassFromString now works :D:D:D
On May 4, 2011, at 7:41 PM, Gustavo Pizano wrote:
> Hello again, im really wondering if this is the right list, but anyway if you don't mind please dont kill me. :P
>
> If I take out the linker flags it compiles bu the NSClassFromString doesn't work
> if I put the flags -ObjC and -all_load the I get this problem:
>
>
>
>
> ld: duplicate symbol _OBJC_IVAR_$_CCAction.originalTarget_ in /Users/GustavPicora/Library/Developer/Xcode/DerivedData/AfrikaWS-hbbkzgjulqurwhepbahwnbcsrcun/Build/Products/Debug-iphonesimulator/libcocos2d libraries.a(CCAction.o) and /Users/GustavPicora/Library/Developer/Xcode/DerivedData/AfrikaWS-hbbkzgjulqurwhepbahwnbcsrcun/Build/Products/Debug-iphonesimulator/libIADTravelEngine.a(CCAction.o) for architecture i386
> collect2: ld returned 1 exit status
> Command /Developer/Platforms/iPhoneSimulator.platform/Developer/usr/bin/llvm-gcc-4.2 failed with exit code 1
>
>
> :S :S...
>
> thx
>
> G.
>
>
> On May 4, 2011, at 7:38 PM, Gustavo Pizano wrote:
>
>> I found why the file not found.. I had the header path wrong.. now its ok.. im gonna try to see if the NSClassFromString works or what...
>>
>>
>>
>> On May 4, 2011, at 7:31 PM, Gustavo Pizano wrote:
>>
>>> Quincey Hello and thx for the reply
>>>
>>> I need to use the a library because its a iOS project so no framework, and also because I will be reusing the code in the lib for many other apps not just this one Im making..
>>>
>>> So right now I have the following set up:
>>>
>>> On my Library Project:
>>>
>>> Note: By nothing I mean empty no value
>>> 2 Targets:
>>> -myLibrary :
>>> Library Search Paths : nothing
>>> Other Link Flags : nothing
>>>
>>> Copy Headers: As Public : All my Headers.
>>> -cocos2d
>>> cocos2d lib was easily configured I have done it before for other UIKit apps
>>>
>>> I compile this project without problem and it compiles.
>>>
>>> Now I created my Final app that will use my library
>>>
>>> I made a workspace where I put the project and the project that contains the library, both are there.
>>> -Added the libraries (cocos, myLib) to the project and then link them to the app.
>>>
>>> Header Search Path : Path to the headers of my library
>>> Other Link Flags : -ObjC -all_Load
>>>
>>>
>>> Now in my app delegate I have the line
>>>
>>> #import "IADTravelEngine.h"
>>>
>>> ...
>>>
>>> ..
>>>
>>> IADTEDirector * dir = [IADTEDirector sharedDirector];
>>>
>>> and I get that IADTravelEngine.h No such a file.
>>>
>>>
>>> I dunno what I did before to make it work (Link) and it was working until I used the NSClassDFromString then I started modifying things and now it doesnt link again. :S
>>>
>>> Any help?
>>>
>>> Thx
>>>
>>> Gustavo
>>>
>>>
>>>
>>>
>>> On May 4, 2011, at 7:11 PM, Quincey Morris wrote:
>>>
>>>> On May 4, 2011, at 09:12, Gustavo Pizano wrote:
>>>>
>>>>> linker problems
>>>>
>>>> Vagueness like this makes it hard to help you. Sometimes the actual error messages are important in deciding where to look for a solution.
>>>>
>>>>> What can I do?
>>>>
>>>> I'd very seriously suggest you don't use a static library at all. It really doesn't provide you with any benefits, so you may as well include the source code directly instead.
>>>>
>>>> The whole point -- well, *a* whole point -- of a static library (in traditional C terms) is to allow you to link just those parts that are referenced by your client application, without having to figure it out for yourself. This doesn't work very well in Objective-C, because the language's dynamism makes it impossible in general to determine what's "referenced" at link time.
>>>>
>>>> If you have other reasons for library-izing your Objective-C code, a framework is a much better choice, probably.
>>>>
>>>>
>>>
>>
>
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