kf99916/Google-IAP

Android Library for easing Google Play Billing to your apps with support for Subscriptions, Non-Consumable and Consumable Purchases with a beautiful sample app.

Google-IAP (Play Billing Library Version 6.0.0)

Features • Development • Usage • License • Contribution

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IAP is an Android library to handle In-App purchases with minimal code.

Features

• Written in Kotlin
• No boilerplate code
• Easy initialization
• Supports InApp & Subscription products
• Simple configuration for consumable products

Gradle Dependency

• Add the JitPack repository to your project's build.gradle file

allprojects {
    repositories {
        ...
        maven { url 'https://jitpack.io' }
    }
}

• Add the dependency in your app's build.gradle file

dependencies {
    implementation 'com.github.akshaaatt:Google-IAP:1.4.2'
}

Development

• Prerequisite: Latest version of the Android Studio and SDKs on your pc.
• Clone this repository.
• Use the gradlew build command to build the project directly or use the IDE to run the project to your phone or the emulator.

Usage

Establishing connection with Play console

val iapConnector = IapConnector(
    context = this, // activity / context
    nonConsumableKeys = nonConsumablesList, // pass the list of non-consumables
    consumableKeys = consumablesList, // pass the list of consumables
    subscriptionKeys = subsList, // pass the list of subscriptions
    key = "LICENSE KEY", // pass your app's license key
    enableLogging = true // to enable / disable logging
)

Receiving events

iapConnector.addPurchaseListener(object : PurchaseServiceListener {
    override fun onPricesUpdated(iapKeyPrices: Map<String, DataWrappers.SkuDetails>) {
        // list of available products will be received here, so you can update UI with prices if needed
    }
    
    override fun onProductPurchased(purchaseInfo: DataWrappers.PurchaseInfo) {
        // will be triggered whenever purchase succeeded
    }
    
    override fun onProductRestored(purchaseInfo: DataWrappers.PurchaseInfo) {
        // will be triggered fetching owned products using IapConnector
    }
})

iapConnector.addSubscriptionListener(object : SubscriptionServiceListener {
    override fun onSubscriptionRestored(purchaseInfo: DataWrappers.PurchaseInfo) {
        // will be triggered upon fetching owned subscription upon initialization
    }
    
    override fun onSubscriptionPurchased(purchaseInfo: DataWrappers.PurchaseInfo) {
        // will be triggered whenever subscription succeeded
    }
    
    override fun onPricesUpdated(iapKeyPrices: Map<String, DataWrappers.SkuDetails>) {
        // list of available products will be received here, so you can update UI with prices if needed
    }
})

Making a purchase

iapConnector.purchase(this, "<sku>")

Making a subscription

iapConnector.susbcribe(this, "<sku>")

Removing a subscription

iapConnector.unsubscribe(this, "<sku>")

Sample App

• Add your products to the developer console

• Replace the key with your App's License Key

Apps Using this Library

• https://play.google.com/store/apps/details?id=com.redalck.gameone

• https://play.google.com/store/apps/details?id=com.redalck.gametwo

• https://play.google.com/store/apps/details?id=com.redalck.gamethree

• https://play.google.com/store/apps/details?id=com.redalck.gamefour

• https://play.google.com/store/apps/details?id=com.redalck.gamefive

• https://play.google.com/store/apps/details?id=com.redalck.gamesix

• https://play.google.com/store/apps/details?id=com.redalck.gameseven

• https://play.google.com/store/apps/details?id=com.redalck.gameeight

• https://play.google.com/store/apps/details?id=daily.status.earn.money

License

This Project is licensed under the GPL version 3 or later.

Contribution

You are most welcome to contribute to this project!