4 posts tagged with "android"

KMP-IAP 1.2.0 brings Google Play Billing Library 8.2.0 features including the new Billing Programs API for external billing and one-time product discount support from Billing Library 7.0+.

KMP-IAP 1.0.0-rc.4 marks a major milestone with the OpenIAP monorepo conversion and introduces Alternative Billing support for both iOS and Android platforms.

👉 View the 1.0.0-rc.4 release

We're thrilled to announce the most comprehensive update to KMP-IAP yet! Version 1.0.0-beta brings complete platform parity, 100% compliance with the OpenIAP specification, improved naming conventions, and extensive field additions for both Android and iOS platforms.

kmp-iap Initial Release 🎉​

We're excited to announce the first release of kmp-iap, a unified in-app purchase library for Kotlin Multiplatform!

Key Features​

🍎 iOS - Full StoreKit 2 Support​

• Complete support for Apple's latest StoreKit 2 framework
• Enhanced purchase verification and transaction management
• Improved subscription status tracking
• Leverages modern Swift async/await patterns

🤖 Android - Google Play Billing Library 7.1.1 Support​

Supporting Google Play Billing Library 7.1.1 with comprehensive features:

• Product Details API: Modern API for querying product information
• Subscription offers: Support for multiple subscription offers and pricing phases
• Pending purchases: Full support for pending transactions
• Error handling: Detailed error codes and debugging information
• Purchase verification: Secure purchase token verification

🎯 Unified API​

• Same API for in-app purchases on both iOS and Android
• Reactive programming with Kotlin Coroutines and Flow
• Type-safe Kotlin native implementation

Getting Started​

// Initialize
KmpIAP.initConnection()

// Load products
val products = KmpIAP.requestProducts(
    ProductRequest(
        skus = listOf("product_id"),
        type = ProductType.INAPP
    )
)

// Request purchase
KmpIAP.requestPurchase(
    UnifiedPurchaseRequest(
        sku = "product_id",
        quantity = 1
    )
)

// Observe purchase state
KmpIAP.purchaseUpdatedListener.collect { purchase ->
    // Handle purchase
}

Next Steps​

We'll continue to improve the library and add new features. Your feedback and contributions are welcome!

GitHub: https://github.com/hyochan/kmp-iap