InAppPurchaseiOS

InAppPurchaseiOS is an iOS class that provides a simple interface for making in-app purchases and restoring already purchased products. The class supports both consumable and non-consumable products, as well as subscriptions.

Features

• Fetch information about available in-app products from the App Store
• Make in-app purchases
• Restore previously purchased products
• Receive callbacks for each step of the process, including successful and failed purchases, successful and failed restores, and product information fetch completion

Installation

Swift Package Manager

You can install InAppPurchaseiOS using the Swift Package Manager.

1. In Xcode, open your project and navigate to File > Swift Packages > Add Package Dependency.
2. Enter the repository URL https://github.com/vGebs/InAppPurchasesWrapperiOS.git and click Next.
3. Select the version you want to install, or leave the default version and click Next.
4. In the "Add to Target" section, select the target(s) you want to use InAppPurchaseiOS in and click Finish.

Usage

For testing, use this link for reference: Testing In-App Purchases with StoreKit 2.

Here is a sample interface, for more info please reference the SampleUsage folder.

let productIdentifiers: Set<String> = ["com.example.product1", "com.example.product2", "com.example.product3"]

let callbacks = InAppPurchasesCallbacks(onFetchCompleted: { products in
    // Product information was successfully fetched
}, onProductsNotFound: { invalidProductIdentifiers in
    // One or more product identifiers were not found on the App Store
}, onPurchaseSucceeded: { product in
    // The purchase of the product was successful
}, onPurchaseFailed: { product, error in
    // The purchase of the product failed
}, onRestoreCompleted: { transactions in
    // The restore was successful
}, onRestoreFailed: { error in
    // The restore failed
})

let inAppPurchaseWrapper = InAppPurchaseWrapper(productIdentifiers: productIdentifiers, callbacks: callbacks)

To make an in-app purchase, call purchaseProduct and pass it the product you want to purchase.

let product = ... // The product to purchase
inAppPurchaseWrapper.purchaseProduct(product)

To restore previously purchased products, call restorePurchases().

inAppPurchaseWrapper.restorePurchases()

CallBacks

The following callbacks are available to receive information about the in-app purchase process:

• onFetchCompleted: Called when the information about the available products has been successfully fetched from the App Store. The products parameter contains the fetched products.
• onProductsNotFound: Called when one or more of the product identifiers passed to InAppPurchaseWrapper were not found on the App Store. The invalidProductIdentifiers parameter contains the invalid product identifiers.
• onPurchaseSucceeded: Called when the purchase of a product has been successful. The product parameter is the product that was purchased.
• onPurchaseFailed: Called when the purchase of a product has failed. The product parameter is the product that was attempted to be purchased, and the error parameter is the error that occurred during the purchase.
• onRestoreCompleted: Called when the restore has been completed successfully. The `trans

Conclusion

In conclusion, the InAppPurchaseiOS is a comprehensive and efficient interface for handling in-app purchases in iOS applications. It provides an easy-to-use API for fetching product information, making purchases, and restoring previous purchases. The interface also offers a range of callbacks to handle different scenarios such as successful purchases, failed purchases, and restored transactions. With the InAppPurchaseWrapper, developers can easily integrate in-app purchases into their applications and handle them in a seamless and streamlined manner.

License

InAppPurchaseiOS is released under the MIT license. See LICENSE for details.

Contribution

We welcome contributions to InAppPurchaseiOS. If you have a bug fix or a new feature, please open a pull request.