Monetize your app_with_google_subscriptions_v3_services_intuit
- 1. Monetize your app with Google Subscriptions V3 services: Benefits and best practices Manohar Mahapatra Intuit
- 2. Why choose Android In-App Billing
- 3. Types of In-App Billing • Standard in-app products (one-time billing) • Subscriptions, (recurring, automated billing)
- 4. Its Hassle Free • Google Play handles all credit card related activities for the user of your app. • Stores the card details along with Google Wallet . No need to enter the data again during the time of purchase. • Charges the app user’s card and credits your Google Merchant account.
- 5. Its Free for developers • Any application that you publish through Google Play can implement In-app Billing. • No special account or registration is required other than a Google Play Developer Console account and a Google Wallet merchant account.
- 6. Preparing Your In-app Billing Application
- 7. Download the Sample Application • The sample files will be installed to <sdk>/extras/google/play_billing/.
- 8. Add Your Application to the Developer Console • In the Services & APIs tab, find and make a note of the public license key that Google Play generated for your application
- 9. Add the In-app Billing Library • To use the In-app Billing Version 3 features, you must add the IInAppBillingService.aidl file to your Android project. • This Android Interface Definition Language (AIDL) file defines the interface to the Google Play service.
- 11. Set the Billing Permission • To have permission to communicate request and response messages to the Google Play’s billing service, add this line in your AndroidManifest.xml manifest file: • <uses-permission android:name="com.android.vending.BILLING " />
- 12. Initiate a Connection with Google Play • You must bind your Activity to Google Play’s In-app Billing service to send Inapp Billing requests to Google Play from your application.
- 13. Establishing In-app Billing Products for Sale
- 14. Specify In-app Products in Google Play • Build a signed APK file for your In-app Billing application. Make sure that you are using your final (not debug) certificate and private key to sign your application. • Click on the APK tab then click on Upload new APK. Don’t publish the app yet! • Navigate to the uploaded app listing, and click on In-app Products.
- 16. • Complete the form to specify the product information such as the item’s unique product ID (also called its SKU), description, price, and country availability • Once you have completed the form, activate the product so that your application can purchase.
- 18. Query Items Available for Purchase • You can query Google Play to programmatically retrieve details of the in-app products that are associated with your application (such as the product’s price, title, description, and type)
- 20. Purchase an Item • To start a purchase request from your app, call launchPurchaseFlow(Activity, String, int, OnIabPurchaseFinishedListener, String) o n your IabHelper instance. You must make this call from the main thread of your Activity.
- 22. Query Purchased Items • To retrieve the user’s purchases from your app, queryInventoryAsync(QueryInventoryFini shedListener) on your IabHelper instance.
- 23. Consume a Purchase • You must send a consumption request for the item before Google Play makes it available for purchase again. All managed in-app products are consumable. Subscriptions need not be consumed.
- 24. Testing Your In-app Billing Application
- 25. Test with Static Responses • Test your In-app Billing application with static responses by using Google Play’s reserved product IDs. • There are four reserved product IDs for testing static In-app Billing responses: 1. 2. 3. 4. android.test.purchased android.test.canceled android.test.refunded android.test.item_unavailable
- 26. Test with Your Own Product IDs • In the Developer Console, add one or more tester accounts to the developer account that you are using to publish your application. – Click Settings > Account details, then in the License Testing section, add the Google email addresses for your tester accounts. • Build a signed and final (not debug) certificate APK file for your In-app Billing.
- 27. • Make sure that you have uploaded the signed APK for your application to the Developer Console.You don't need to publish the application on Google Play to test • Install the APK file to your physical test device by using the adb tool. • Login to the test device by using a tester account.
- 28. Important Security Considerations • Perform signature verification tasks on a server so that this makes it difficult for attackers to break the verification process by reverse engineering your .apk file. • Modify all sample application code • Set the developer payload string when making purchase requests. • Protect your Google Play public key.
- 29. Thank You
Editor's Notes
- #4: In-app Billing is a Google Play service that lets you sell digital content from inside your applications. You can use the service to sell a wide range of content, including downloadable content such as media files or photos, virtual content such as game levels or potions, premium services and features, and more.
- #8: Open the Android SDK Manager.In the SDK Manager, expand the Extras section.Select Google Play Billing Library.Click Install packages to complete the download.The sample files will be installed to <sdk>/extras/google/play_billing/.