Windows & .NET Watch: Apple leaves bitter taste



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April 16, 2010 —  (Page 1 of 3)
Software for Windows Phone 7 can only be developed in C#. Software for the iPhone can only be developed in Objective C, C++, C or JavaScript. Why then do I say the iPhone restriction is absurd, while I think the Windows restriction is fine?
In previous columns, I have praised Apple’s AppStore for reinvigorating the small retail ISV market, and the iPad for delivering the attention to a great form-factor, which has languished for half a decade. In this column and in my consulting business, I have singled out for praise Novell’s MonoTouch development stack, which marries the worlds of .NET and Cocoa Touch development. There are vastly more C# developers than Objective C developers, especially in the corporate software development world, and for in-house software, MonoTouch can provide significant flexibility for a company that isn’t sure about the wisdom or cost of a team dedicated to Mac-centric development.
Following the recent announcement of the iPhone 4.0 OS, two restrictive clauses in the new SDK license rapidly leaked out and became public knowledge. While the iPhone has always excluded interpreters and virtual machines, now programs must be “originally written in Objective, C, C# or JavaScript,” and “applications that link to Documented APIs through an intermediary translation or compatibility layer or tool are prohibited.” Taken at face value, this would ban tools such as MonoTouch, Corona (a Lua development tool), and Unity3D (a game development tool) from being used for software sold via Apple’s AppStore. (Apps deployed internally within an enterprise do not seem subject to these sections of the license.)

The proximate cause for these new restrictions is clearly Adobe’s Packager for iPhone, which precompiles ActionScript 3 (a.k.a. Flash) projects into native iPhone applications, and is part of Adobe’s forthcoming release of Creative Suite 5. Apple has been very public in its frustration and disdain for the quality of the Flash player on OS X, and Steve Jobs has not given an inch on the prospect of a Flash browser plug-in in the iPhone or iPad.



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Comments


04/16/2010 01:04:53 PM EST

Geeesh! Finally someone pointed that out. Excellent article. We've found it very awkward and limiting to develop to Apple's new standards and in all honesty really only NEED to develop to the Windows Phone 7 and Android markets.

United StatesMike


04/19/2010 07:24:31 AM EST

"The iPhone implementation of Objective C doesn’t even support retain/release reference counting" Huh? It does.

United StatesJames Shaw


04/19/2010 08:19:29 PM EST

Here's a thought on how Flash should counter-act ....instead of trying to break into Apple's devices...Flash should allow a way to run apps made for iphone to run on open platforms like android using their Alchemy project( labs.adobe.com/ technologies/ alchemy/)... if Jobs' idea was to provide a vendor lock-in for developers.. .this would easily counter-act that move

United StatesSarat


05/06/2010 02:51:58 PM EST

Just need to point out that Windows Phone 7 development is NOT restricted to C# - you can also use VB.net if that's your thing.

United StatesKen Ross


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