On Aug 27, 2014, at 11:30 AM, Matthew LeRoy <mle...@minitab.com> wrote: > This seems to work in initial testing — the alert displays — but I get a > message in the console telling me that “NSAlert is being used from a > background thread, which is not safe. This is probably going to crash > sometimes. …” Presumably this is because I have overridden > +canConcurrentlyReadDocumentsOfType: to return YES for my documents, > resulting in document reading happening on a background thread. Changing > +canConcurrentlyReadDocumentsOfType: to return NO makes the warning message > go away.
i had this problem too: you can show the alert on the main thread via e.g. performSelectorOnMainThread. (as was kindly pointed out to me by, if i remember correctly, graham cox). _______________________________________________ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: https://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
