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 11:05:46 -0700
On 10.2.x I believe it displayed a dialog saying it isn't supported on
this version of OS... I believe in 10.3 it was broken but it may have
been fixed.
If not I think folks should spam bug-reporter with a defect since I
expect that many many 10.4 only applications will be out in the near
future and not having a good message show in 10.3.x is... well not
good.
-Shawn
On Apr 18, 2005, at 11:00 AM, John Brownlow wrote:
nope didn't try that, thanks
what does it do if you use an earlier system?
On Apr 18, 2005, at 1:56 PM, Shawn Erickson wrote:
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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