This guide describes the process of establishing the digital records and relationships necessary for a Unity app to interact with an in-app purchase store. The Unity IAP purchasing API is targeted.
In-app purchasing (IAP) is the process of transacting money for digital goods. A platform’s store allows the purchase of products, representing digital goods. These products have an identifier, typically of string datatype. Products have types to represent their durability: the most common are subscription (capable of being subscribed to), consumable (capable of being rebought), and non-consumable (capable of being bought once).
Note that there are cross-store installation issues when using shared Android bundle identifiers to publish to multiple Android in-app purchase stores (such as Samsung and Google) simultaneously. See documentation on Cross-store installation issues with Android in-app purchasing for more information.
Write an app implementing Unity IAP. See Unity IAP initialization and Integrating Unity IAP with your app.
Keep the app’s product identifiers on-hand for use with the Samsung Apps Seller Office later.
Alternatively, call the Editor API:
UnityPurchasingEditor.TargetAndroidStore(AndroidStore.SamsungApps
Tip: Take special precautions to safely store your keystoreAn Android system that lets you store cryptographic key entries for enhanced device security. More info
See in Glossary file. The original keystore is always required to update a published application.
Register the Android application with the Samsung Galaxy Apps Seller Office.
In the App Store Developer Console, go to Binary and select Add binary.
Populate the device characteristics in Resolution(s) and Google Mobile Service, upload your APK (the one you created above in the “Getting Started” section) in Binary upload, then click Save.
Wait for the APK upload to complete, then click Save.
In the Seller Office, add one or more in-app purchases for the app.
AddProduct()
or AddProducts()
. For debugging purposes, it’s best practise to use reverse-DNS for your Item ID. Click Check to ensure the Item ID is valid and unique, then populate Item Type and all other elements and click Save.The Samsung Galaxy App Store supports testing via the Developer mode value in the app before making purchases. This special build of the app connects with Samsung’s billing servers and performs fake purchases. This does not incur real-world monetary costs related to the product, and allows you to test the app’s purchasing logic.
Modify the app’s Unity IAP integration, adding the following line after creating the ConfigurationBuilder
instance:
builder.Configure<ISamsungAppsConfiguration>().SetMode(SamsungAppsMode.AlwaysSucceed); // TESTING: auto-approves all transactions by Samsung
.
You can also configure this to fail all transactions via the SamsungAppsMode.AlwaysFail
enumeration, enabling you to test all your error code.
Build and run the app, testing its in-app purchasing logic. As long as developer mode is implemented, this does not incur real-world monetary costs.
SetMode
line. This ensures users pay real-world money when tha app is in use.When you visit any website, it may store or retrieve information on your browser, mostly in the form of cookies. This information might be about you, your preferences or your device and is mostly used to make the site work as you expect it to. The information does not usually directly identify you, but it can give you a more personalized web experience. Because we respect your right to privacy, you can choose not to allow some types of cookies. Click on the different category headings to find out more and change our default settings. However, blocking some types of cookies may impact your experience of the site and the services we are able to offer.
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