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I need to implement a very specific demo mechanism. It must not expire after some date, or after X days of usage or after X start ups.
I need this app to expire via a remote signal sent by myself!
How do you suggest I implement this? A remote XML file with a special Integer flag or there is a better method?
You’ve asked a relatively general question, so the best I can do is give you a general question. If I were you, what I’d do is have your app poll a remote server everytime it starts up. With that poll it provides some sort of unique identifier. When the server get’s the response, it looks up the unique identifier to see if that particular instance of the app has expired. If it has, it simple sends a response back saying “yep you’re expired”. Otherwise it says, “nope, you’re still good to go.”