Re: 4.3 question and old Developer folder
Re: 4.3 question and old Developer folder
- Subject: Re: 4.3 question and old Developer folder
- From: Matt Neuburg <email@hidden>
- Date: Fri, 02 Mar 2012 10:43:21 -0800
On Feb 28, 2012, at 11:17 PM, Chris Hanson wrote:
> On Feb 23, 2012, at 7:06 AM, Matt Neuburg <email@hidden> wrote:
>
>> My book and many other books talk about this technique of putting older SDKs into /Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/.
>
> Please don't recommend that developers add older iOS Simulator SDKs to newer developer tools. Modifying the tools in this way is not supported and may not work.
>
> Xcode 4.2 and later have a "Downloads" mechanism that can download and install iOS Simulator support for a certain subset of prior iOS releases. If an iOS Simulator version is not available via the Downloads mechanism, it's not supported and may not work well (or work correctly, or work at all) with the iOS Simulator included with a particular Xcode version.
>
Okay, I've looked into this some more, and the problem is that the "certain subset" is really weenie - just iOS 4.3 and no earlier. (You can download *device* debugging support that goes back earlier, but not *Simulator* support.) That's just not very helpful. It's another case of Apple making backward compatibility really difficult.
My guess is that developers will continue using every technique they can think of to help with the problem of testing on earlier systems.
m.
--
matt neuburg, phd = email@hidden, http://www.apeth.net/matt/
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