Android In-App Billing error You need to sign into your google account

Question

I am implementing in-app purchase using https://github.com/anjlab/android-inapp-billing-v3 . But while in app pop up open it shows \"Error Authentication is required.You nee

Answer 1

If anybody getting the above popup you can re-check through the following steps because unfortunately this google popup is not enough informative for a clue.

1. Make sure you are using the product ID correctly(should be same as what you've put on developer console)
2. Make sure you've activated the product on developer console before testing. It may take a while, so wait till it's ready.
3. Make sure your the version of your app is published state on Beta,Alpha or Production
4. Remember to add testing emails under testers list(Settings -> Testers List -> Create List). Testing email should be different from publisher account.
5. If nothing works in the above, try removing google account on your phone and adding back and clearing data in Play Store.

Hope this helps :)