A lightweight implementation of Android In-app Billing Version 3
This is release bumps used com.android.billingclient library version to v6.1.0 to be compatible with new Google Play policy.
This is not a complete migration to v6!
It is only the first step according to https://developer.android.com/google/play/billing/migrate-gpblv6
Make sure your app is compatible with this update!
Fix wrong guard check in getSkuDetailsAsync
Fix Parcelable serialization issue in PurchaseInfo.java
Fix onProductPurchased callback issue invoked from the wrong thread
Starting from Nov 1, 2021 Google will stop supporting v2 billing client library used as a dependency here.
This library was upgraded accordingly (thanks to @Equin and @showdpro).
See Migration Guide for complete instructions
#315,#376,#411,#413
#289, #293, #295
#287
removed Joda Time dependency #286