Re: Gracefully failing on unsupported OS version
Re: Gracefully failing on unsupported OS version
- Subject: Re: Gracefully failing on unsupported OS version
- From: Shawn Erickson <email@hidden>
- Date: Mon, 18 Apr 2005 10:56:50 -0700
On Apr 18, 2005, at 10:43 AM, John Brownlow wrote:
My app is targeted at 10.4 and better. I know that whatever I do,
people are going to download it and try to use it on earlier versions.
I don't want to use an installer, just the drag-to-Applications thing.
However, as currently configured, on pre-10.4 systems the app just
fails to launch without a word of explanation. The syslog shows that
the cause of the crash is "failed objc_getClass(NS**tigerOnlyClass**)"
What's the nicest way of catching this problem without using an
installer? If the app won't launch in, say, 10.3, how can I tell the
user very politely that they need to upgrade if they want to use my
app?
Did you try LSMinimumSystemVersion (not sure if Apple fixed it to give
better feedback or not)?
<http://developer.apple.com/documentation/MacOSX/Conceptual/
BPRuntimeConfig/Concepts/PListKeys.html#//apple_ref/doc/uid/20001431/
BAJDHACB>
-Shawn
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