I'm developing a shareware desktop application. I'm to the point where I need to implement the trial-use/activation code. How do you approach something like this? I have my own ideas, but I want to see what the stackoverflow community thinks. I'm developing with C++/Qt. The intended platform is Windows/Mac/Linux. Thanks for your advice...
I know there is already present similar questions on SO. But my question is more theoretical. I'm wondering, is it possible to design a foolproof trial system? By foolproof I mean such a system which cannot be cracked even if a cracker knows the algorithm of such a system? Sorry if it is not a programming question. Edit: I think I sho...
Hi, I have an application deployed in Air, written in AS3 that the client wants to install and test, I have developed a simple license app, but he is pushing for a full license which he said he will fully pay on next Monday. How would you create a procedure in AS3 to deactivate application next Monday? How secure will it be? Will simply...
Hello. I would like to know if there is anyway to know the date at which an application was installed in an Android phone. I would like to know this in order to implement a time limited trial / demo version of an application. I could save the date on the first usage, but a tech-savvy user could use ADB to change the database or delete ...