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Re: Writing portable Cocoa apps (especially data models)
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Re: Writing portable Cocoa apps (especially data models)


  • Subject: Re: Writing portable Cocoa apps (especially data models)
  • From: Jens Alfke <email@hidden>
  • Date: Tue, 23 Jul 2013 09:07:08 -0700

On Jul 8, 2013, at 5:05 PM, Maxthon Chan <email@hidden> wrote:

> Have anyone of you guys tried GNUstep, the Cocoa clone (predates Cocoa!) that works on Linux systems? And have any of you guys tried to write portable code that builds on OS X/Cocoa and Linux/GNUstep?

I ported a non-GUI Foundation-based library to it last year. It definitely took some work — it was hardly just a recompile. GNUstep’s Foundation was missing some APIs I needed (IIRC some CFURL functions and the NSJSONSerialization class), and some APIs either had bugs or behaved differently in edge cases. Of course, things have probably improved since that time.

In general I wouldn’t use any cross-platform GUI toolkit for any serious app — it always ends up looking and feeling wrong. (The exception is apps with a totally custom GUI, like most games or web-based apps.)

—Jens
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References: 
 >Writing portable Cocoa apps (especially data models) (From: Maxthon Chan <email@hidden>)

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