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Re: Fwd: UIKit

From: Amr Aboelela
Subject: Re: Fwd: UIKit
Date: Tue, 28 Jun 2011 16:01:31 -0700

Hi Fred,

I am thinking to start a project called "oPhone" in github to develop in it all frameworks needed to have an open source smart phones, based on Linux OS, Objective-C, GNUstep, Chameleon's UIKit, and Apple WebKit.

Also I am planning to put frameworks in bundles similar of Apple's Mac bundles. e.g. as:

What do you think?
and is there anyone interested to join?

On Tue, Jun 28, 2011 at 1:22 AM, Fred Kiefer <fredkiefer@gmx.de> wrote:
Hi Amr,

it surely is better to reply to the mailing list as you will get responses from different people then.

QuantumStep is the marketing name of Nikolaus Schallers fork of GNUstep. The name of the basic code (Foundation and AppKit) is mySTEP. In most regards this is a bit more limited than GNUstep, but there are also areas where his code is more complete. I don't think that he is currently offering anything similar to the UIKit, but will ask him in my next mail, as we have an ongoing mail exchange.

CoreAnimation is itself the missing part, we don't have an implementation of that framework in GNUstep or any of our related projects. With that in place you could use Chameleon to get UIKit based application to run on GNUstep. Part of CoreAnimation should be simple to implement but other parts require drawing functionality we currently don't have in the underlying drawing system. And all of it will be a lot of work :-(

CoreAnimation is used to implement UIKit (and Chameleon). AppKit is rather independent of CoreAnimation.

Hope this helps

On 28.06.2011 00:59, Amr Aboelela wrote:

So later you guys are going to use Chameleon framework as a start to
build your own UIKit framework?

what about QuantumStep is it related to building the UIKit also?

what do u mean by the missing part of CoreAnimation, is CoreAnimation
only in UIKit and not AppKit?
and isn't it implemented in the Chameleon implementation?


On Sun, Jun 26, 2011 at 2:49 PM, Fred Kiefer <fredkiefer@gmx.de
<mailto:fredkiefer@gmx.de>> wrote:

   At the FOSDEM this year we decided to start a GNUsep sub project to
   implement UIKit. And just a few weeks later we learned about UIKit:


   This made us stop our own efforts in this direction. I think nobody
   ever tried to use this code on top of GNUstep gui and you will need
   the missing bit CoreAnimation for this. But implementing that should
   be easier than an full UIKit implementation.

   Hope this helps

   On 24.06.2011 02 <tel:24.06.2011%2002>:50, Amr Aboelela wrote:

       ---------- Forwarded message ----------
       From: *Adam Fedor* <fedor@gnu.org <mailto:fedor@gnu.org>
       <mailto:fedor@gnu.org <mailto:fedor@gnu.org>>>
       Date: Thu, Jun 23, 2011 at 5:48 PM
       Subject: Re: UIKit
       To: Amr Aboelela <amraboelela@gmail.com
       <mailto:amraboelela@gmail.com> <mailto:amraboelela@gmail.com

       It would be a good idea to mail the discuss-gnustep@gnu.org
       <mailto:discuss-gnustep@gnu.org>> mailing list to ask this question.

         There are various people implementing various parts of the

       On Jun 23, 2011, at 6:32 PM, Amr Aboelela wrote:

        > Hi Adam,
        > I was wondering if the GNUstep team are intending to develop
       a framework
        > similar to the Cocoa Touch UIKit to be used in mobile phones.
       Also are we
        > allowed to make a framework similar to UIKit with same class
        > UIView, UITableView, or do we have to use different names?
        > Thanks

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