When building your Android application, which library is required to use in-app billing?
A) Google Play Licensing Library.
B) Google Play Billing Library.
C) Google Play APK Expansion Library.
D) Google USB Driver.

Question

Quizplus · Accepted Answer

The Google Play Billing Library is required to implement in-app purchases within an Android application. The Google Play Licensing Library is used to implement Google Play licensing, the APK Expansion Library is used to host and download additional resources required by an application, and the Google USB Driver is used for debugging purposes.

When Building Your Android Application, Which Library Is Required to Use