Welcome to the quiz on implementing In-App Purchases in Android apps! This quiz is designed to test your understanding of the key concepts and practical steps involved in adding in-app purchasing functionality to an Android project. It covers topics such as setting up a project with the Google Play Billing Library, creating and managing in-app products, handling purchase flows, and troubleshooting common issues during testing. Whether you are looking to integrate consumable products or subscriptions into your app, this quiz will help you assess your readiness and reinforce your knowledge in this area.
1.
What is the purpose of license testing in the Play Console?
2.
How can a developer test the purchase flow without using real money?
3.
Which Google library is necessary for in-app billing in an Android app?
4.
What must be done before the app can be tested for in-app purchases?
5.
Which method is used to query previous purchases in the app?
6.
Which API level is required as a minimum for in-app purchases?
7.
Which object is used to initialize the purchase flow?
8.
What must be configured in the Play Console to enable in-app purchasing for an app?
9.
What does a PurchaseState of PURCHASED indicate?
10.
What is the purpose of the BillingClientStateListener?
11.
Why is the enablePendingPurchases() method required?
12.
Which method is used to acknowledge a non-consumable purchase?
13.
Why should the PurchaseHelper class not be implemented as a view model?
14.
Why is it important to queryProductDetailsAsync() after initializing the billing client?
15.
Which class is used to query product details from the Play Store?
16.
What does the PurchasesUpdatedListener handle?
17.
What method is used to initialize a connection to the Google Play Billing Library?
18.
How is a consumable in-app product consumed after a purchase?
