macOS How to Implement Trial Time in App

DavidBlack said:

I want to Implementing a 15 day time trial
for my app I read this guide but I am having problem I am a objective-C newbie this is how it looks in xcode. Also if anyone can help can your show me exactly how to do it?
Thanks

http://cocoadev.com/wiki/SetADateForAnAppToExpire

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I assume you intend to sell this app. With this code in your app, there is no chance in hell it would be accepted on the App Store, so that's 90% of your sales gone.

I'm going to take a guess that you haven't a clue what you're doing and copied this code from a tutorial.

Look at the spots where the errors are coming from and compare them to what was in the tutorial.

... oh... it's identical. What a crappy tutorial.

Do you know C yet? I suggest learning C if you don't already know it, as Obj-C is just an extension of C.

Here's a free eBook that I oft recommend for learning C: http://c.learncodethehardway.org/book/

If you managed to implement the other parts like the PDF viewer surely you can see the problem with the brackets ( [ ) on the first date line, even out those and itll work

truehybridx said:

If you managed to implement the other parts like the PDF viewer surely you can see the problem with the brackets ( [ ) on the first date line, even out those and itll work

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His brackets already balance. His issue is he has brackets surrounding things that aren't method calls.

from your code I can see you have no programming knowledge. I suggest you to read basic programming tutorials before anything related to obj-c