Android Application Licence For Just A Period Of Time

We have developed an android application, and we would like that users could buy the application but just for a period of time, for example a year. Once the period has expired, the

Solution 1:

There is the recently incorporated concept of in-app subscription items. On this scenario, a user would get the application for free, and then pay for a subscription to access certain content for a given period of time.

Reference: Subscriptions