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Re: NSClassFormString returning nil.
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Re: NSClassFormString returning nil.


  • Subject: Re: NSClassFormString returning nil.
  • From: Gustavo Pizano <email@hidden>
  • Date: Wed, 04 May 2011 19:38:03 +0200

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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      • From: Gustavo Pizano <email@hidden>
References: 
 >NSClassFormString returning nil. (From: Gustavo Pizano <email@hidden>)
 >Re: NSClassFormString returning nil. (From: Quincey Morris <email@hidden>)
 >Re: NSClassFormString returning nil. (From: Gustavo Pizano <email@hidden>)

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