How to upgrade/downgrade subscriptions in Android InAppBilling?

Question

I spent a week looking for solution to upgrade/downgrade subscriptions on Android InAppBilling.

There\'s a reference page about this function: http

Answer 1

I had the similar issue and found out that

1. it is only supported in version 5
2. the position of new sku (the array list) and old sku should be changed. Even though the methods shows first old and then new.. make the other way.