I am currently migrating an Eclipse app to Android Studio. This app was using the in app billing.
My main problem is to compile the project and the aidl file (I gues
Adding this as an answer since it seemed to help quite a few people.
Note: Make sure you include the necessary import if your reference isn't working
import com.android.vending.billing.IInAppBillingService;
https://issuetracker.google.com/issues/36973270
Edit From Comment
After I did this, the references to IInAppBillingService in my code were still highlighted as errors, but after rebuilding the app, the class was recognized