So you can easily recreate this behaviour yourself by doing this on launch.
-(void)applicationDidFinishLaunching:(NSNotification *)aNotification{
if (([NSEvent modifierFlags] & NSAlternateKeyMask) != 0){
//holding down option on launch
//Do the optional path stuff
} else {
//Do the default stuff
}
}
-Richard
On 29/03/2013, at 1:53:33 AM, Martin Hewitson <martin.hewit...@aei.mpg.de>
wrote:
> Dear list,
>
> I remember seeing the functionality in some apps where one can hold the
> option key while launching an app to allow the user to choose which app data
> store to launch. So is this a core-data app functionality that's already
> built in to the frameworks, or does one need to implement that individually?
> I have a core data shoebox type app and rather than go all out making it
> iCloud compatible (because I still haven't been able to get that working
> reliably) I was considering playing around with putting the core data store
> file in drop-box or simply in the iCloud mobile-documents folder to see how
> that behaves. This wouldn't be for a production app, just for playing and
> testing at the moment.
>
> So rather than hard-coding an alternative path to the data store, I was
> thinking that an option-click for launching would be a nice way to choose
> different store files. Like I said, I'm sure I've seen this in other apps
> before...
>
> Many thanks for any insights,
>
> Martin
>
>
>
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