I want to retrieve the list of purchased items for my application. We only have the getPurchases API to do that. Its documentation says:
Because the Google Play client now caches In-app Billing information locally on the device, you can use the Version 3 API to query for this information more frequently, for example through a getPurchases call. Unlike with previous versions of the API, many Version 3 API calls will be serviced through cache lookups instead of through a network connection to Google Play, which significantly speeds up the API's response time.
However, it is not clear from that statement if that method can potentially perform a network call in order to retrieve the info. If that is the case, my app will crash as for now I call that method from the UI Thread only.
Is it safe to call that method from the UI Thread?
In the end I've decided to play safe and use RxJava to spawn a thread and send the result back to the main thread instead. Even if it is the case today that that method does not perform a network call I don't want to assume it will always be that way since the docs really don't say anything about it.