It's impossible to store something on a users computer and make it invulnerable from the user deleting it.
The best you can do is hide it, but there are various ethical hoops to jump through with that one. Notwithstanding better advice from other list members, about best advice i've seen on this topic is summarized here: http://stackoverflow.com/questions/7730916/how-do-you-make-a-cocoa-demo-app-that-only-works-for-a-limited-time Best Phil On 19 Aug 2014, at 12:25, Navneet Kumar <navnee...@me.com> wrote: > Hi, > > I need to store a numeric value in the system and update and access it across > every launch of my app. > Also is it possible to safely store it in the system so that it can be picked > up even after a re-install of my app? > I want it to be secure, so that even a os x savvy user may not be able to > delete/modify this value. > > Its more like the apps that allow a certain number of launches with full > functionality before requiring registration. > > Thanks in advance. > > Best, > Navneet > > > _______________________________________________ > > 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/2551phil%40gmail.com > > This email sent to 2551p...@gmail.com
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