android in-app billing - restoreTransactionInformation

Question

I\'m attempting to make a free app upgradable to the \"paid\" version using in-app billing. I used code from this tutorial to handle the billing as the one on the official d

Answer 1

You can't really make a distinction between 'reinstalling' and 'cleared app data'. They are essentially the same: shared preferences are empty. Nor should you need to.

As for diagnosing the issue, put a 'restore transactions' button and simply click it in different states (just installed, flag(s) set, etc.). Then watch the logcat.

BTW, it might be better to stick with the original Google code at first, you would get more help that way. There also some projects on Google Code that wrap the IAB code to make it a bit easier to integrate.