Billing (Dynamic Pricing)

app/build.gradle

@@ -13,8 +13,6 @@ android {
         targetSdk 33
         versionCode 6
         versionName "1.1.6"
-
-        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
     }
 
     buildTypes {
@@ -34,12 +32,12 @@ android {
 
 dependencies {
 
-    implementation 'androidx.core:core-ktx:1.7.0'
-    implementation 'androidx.appcompat:appcompat:1.5.1'
-    implementation 'com.google.android.material:material:1.7.0'
+    implementation 'androidx.core:core-ktx:1.10.1'
+    implementation 'androidx.appcompat:appcompat:1.6.1'
+    implementation 'com.google.android.material:material:1.9.0'
     implementation 'androidx.constraintlayout:constraintlayout:2.1.4'
 
     // Billing Library
-//     implementation 'com.github.hypersoftdev:inappbilling:1.1.6'
+    //implementation 'com.github.hypersoftdev:inappbilling:1.1.6'
     implementation project(path: ':billing')
 }

app/src/main/java/com/hypersoft/inappbilling/MainActivity.kt

@@ -7,9 +7,12 @@ import android.widget.TextView
 import android.widget.Toast
 import androidx.appcompat.app.AppCompatActivity
 import com.hypersoft.billing.BillingManager
+import com.hypersoft.billing.constants.SubscriptionPlans
+import com.hypersoft.billing.constants.SubscriptionProductIds
+import com.hypersoft.billing.dataClasses.ProductDetail
+import com.hypersoft.billing.helper.BillingHelper.Companion.TAG
 import com.hypersoft.billing.interfaces.OnPurchaseListener
 import com.hypersoft.billing.status.State
-import com.hypersoft.billing.constants.SubscriptionPlans
 import dev.epegasus.billinginapppurchases.interfaces.OnConnectionListener
 
 class MainActivity : AppCompatActivity() {
@@ -38,6 +41,42 @@ class MainActivity : AppCompatActivity() {
             Log.d("BillingManager", "initObserver: $it")
             tvTitle.text = it.toString()
         }
+
+        //Observe Your Products
+        billingManager.productDetailsLiveData.observe(this) { list ->
+            var month = 0L
+            var year = 0L
+            list.forEach { productDetail: ProductDetail ->
+                Log.d(TAG, "initObservers: $productDetail")
+                when (productDetail.productId) {
+                    SubscriptionProductIds.basicProductMonthly -> {
+                        //binding.mtvOfferPrice1.text = productDetail.price
+                        month = productDetail.priceAmountMicros / 1000000
+                    }
+
+                    SubscriptionProductIds.basicProductYearly -> {
+                        //binding.mtvOfferPrice2.text = productDetail.price
+                        year = productDetail.priceAmountMicros / 1000000
+                    }
+
+                    SubscriptionProductIds.basicProductSemiYearly -> {
+                        //binding.mtvOfferPrice3Premium.text = productDetail.price
+                    }
+
+                    productId -> {
+                        //binding.mtvOfferPrice3Premium.text = productDetail.price
+                    }
+                }
+            }
+            // Best Offer
+            if (month == 0L || year == 0L) return@observe
+            val result = 100 - (year * 100 / (12 * month))
+            val text = "Save $result%"
+            //binding.mtvBestOffer.text = text
+
+            val perMonth = (year / 12L).toString()
+            //binding.mtvOffer.text = perMonth
+        }
     }
 
     private fun initBilling() {

billing/build.gradle

@@ -29,12 +29,12 @@ android {
 
 dependencies {
 
-    implementation 'androidx.core:core-ktx:1.7.0'
-    implementation 'androidx.appcompat:appcompat:1.5.1'
+    implementation 'androidx.core:core-ktx:1.10.1'
+    implementation 'androidx.appcompat:appcompat:1.6.1'
 
     // Google Play Billing
-    implementation "com.android.billingclient:billing-ktx:5.2.0"
+    implementation "com.android.billingclient:billing-ktx:6.0.0"
 
     // LiveData
-    implementation "androidx.lifecycle:lifecycle-livedata-ktx:2.5.1"
+    implementation "androidx.lifecycle:lifecycle-livedata-ktx:2.6.1"
 }

billing/proguard-rules.pro

@@ -14,8 +14,10 @@
 
 # Uncomment this to preserve the line number information for
 # debugging stack traces.
-#-keepattributes SourceFile,LineNumberTable
+-keepattributes SourceFile,LineNumberTable
 
 # If you keep the line number information, uncomment this to
 # hide the original source file name.
-#-renamesourcefileattribute SourceFile
+-renamesourcefileattribute SourceFile
+
+-keep class com.hypersoft.billing.dataClasses.**

billing/src/main/java/com/hypersoft/billing/dataClasses/ProductDetail.kt

@@ -0,0 +1,31 @@
+package com.hypersoft.billing.dataClasses
+
+import com.hypersoft.billing.enums.ProductType
+
+/**
+ * @Author: SOHAIB AHMED
+ * @Date: 13,June,2023
+ * @Accounts
+ *      -> https://github.com/epegasus
+ *      -> https://stackoverflow.com/users/20440272/sohaib-ahmed
+ */
+/**
+ * @property productId: Unique ID (Console's ID
+ * @property price: e.g. Rs 750.00
+ * @property currencyCode: e.g. USD, PKR, etc
+ * @property freeTrialPeriod: e.g. 3, 5, 7
+ * @property priceAmountMicros: e.g. 750000000
+ * @property freeTrial: isAvailable or not
+ */
+
+data class ProductDetail(
+    var productId: String,
+    var price: String,
+    var currencyCode: String,
+    var freeTrialPeriod: Int,
+    var priceAmountMicros: Long = 0,
+    var freeTrial: Boolean = false,
+    var productType: ProductType = ProductType.SUBS
+) {
+    constructor() : this(productId = "", price = "", currencyCode = "", 0, 0, false)
+}

billing/src/main/java/com/hypersoft/billing/enums/ProductType.kt

@@ -0,0 +1,14 @@
+package com.hypersoft.billing.enums
+
+/**
+ * @Author: SOHAIB AHMED
+ * @Date: 13,June,2023
+ * @Accounts
+ *      -> https://github.com/epegasus
+ *      -> https://stackoverflow.com/users/20440272/sohaib-ahmed
+ */
+
+enum class ProductType {
+    INAPP,
+    SUBS
+}

billing/src/main/java/com/hypersoft/billing/helper/BillingHelper.kt

@@ -7,6 +7,8 @@ import android.net.NetworkCapabilities
 import android.os.Handler
 import android.os.Looper
 import android.util.Log
+import androidx.lifecycle.LiveData
+import androidx.lifecycle.MutableLiveData
 import com.android.billingclient.api.AcknowledgePurchaseParams
 import com.android.billingclient.api.AcknowledgePurchaseResponseListener
 import com.android.billingclient.api.BillingClient
@@ -21,6 +23,8 @@ import com.android.billingclient.api.QueryPurchasesParams
 import com.android.billingclient.api.queryProductDetails
 import com.hypersoft.billing.constants.SubscriptionPlans
 import com.hypersoft.billing.constants.SubscriptionProductIds
+import com.hypersoft.billing.dataClasses.ProductDetail
+import com.hypersoft.billing.enums.ProductType
 import com.hypersoft.billing.dataProvider.DataProviderInApp
 import com.hypersoft.billing.dataProvider.DataProviderSub
 import com.hypersoft.billing.enums.BillingState
@@ -47,6 +51,12 @@ abstract class BillingHelper(private val context: Context) {
     @JvmField
     protected var checkForSubscription = false
 
+    private val _productDetailList = ArrayList<ProductDetail>()
+    private val productDetailList: List<ProductDetail> get() = _productDetailList.toList()
+
+    private val _productDetailsLiveData = MutableLiveData<List<ProductDetail>>()
+    val productDetailsLiveData: LiveData<List<ProductDetail>> = _productDetailsLiveData
+
     /* ------------------------------------------------ Initializations ------------------------------------------------ */
 
     private val billingClient by lazy {
@@ -181,6 +191,17 @@ abstract class BillingHelper(private val context: Context) {
             if (productDetailsResult.productDetailsList.isNullOrEmpty()) {
                 setBillingState(BillingState.CONSOLE_PRODUCTS_IN_APP_NOT_EXIST)
             } else {
+                productDetailsResult.productDetailsList?.forEach {
+                    val item = ProductDetail()
+                    item.productId = it.productId
+                    item.price = it.oneTimePurchaseOfferDetails?.formattedPrice.toString().removeSuffix(".00")
+                    item.currencyCode = it.oneTimePurchaseOfferDetails?.priceCurrencyCode.toString()
+                    item.productType = ProductType.INAPP
+                    item.priceAmountMicros = it.oneTimePurchaseOfferDetails?.priceAmountMicros ?: 0L
+
+                    _productDetailList.add(item)
+                    _productDetailsLiveData.postValue(productDetailList)
+                }
                 dataProviderInApp.setProductDetailsList(productDetailsResult.productDetailsList!!)
                 setBillingState(BillingState.CONSOLE_PRODUCTS_IN_APP_AVAILABLE)
             }
@@ -200,7 +221,33 @@ abstract class BillingHelper(private val context: Context) {
             if (productDetailsResult.productDetailsList.isNullOrEmpty()) {
                 setBillingState(BillingState.CONSOLE_PRODUCTS_SUB_NOT_EXIST)
             } else {
-                Log.d(TAG, "queryForAvailableSubProducts: ${productDetailsResult.productDetailsList}")
+                productDetailsResult.productDetailsList?.forEach { productDetails ->
+                    if (!productDetails.subscriptionOfferDetails.isNullOrEmpty()) {
+                        val purchaseList = productDetails.subscriptionOfferDetails!![0].pricingPhases.pricingPhaseList
+
+                        val item = ProductDetail()
+                        item.productId = productDetails.productId
+
+                        purchaseList.forEach { temp ->
+                            if (temp.priceAmountMicros == 0L) {
+                                item.freeTrial = true
+                                item.freeTrialPeriod = when (temp.billingPeriod) {
+                                    "P3D" -> 3
+                                    "P5D" -> 5
+                                    "P7D" -> 7
+                                    "P1M" -> 30
+                                    else -> 1
+                                }
+                            } else {
+                                item.currencyCode = temp.priceCurrencyCode
+                                item.price = temp.formattedPrice.removeSuffix(".00")
+                                item.priceAmountMicros = temp.priceAmountMicros
+                            }
+                        }
+                        _productDetailList.add(item)
+                    }
+                }
+                _productDetailsLiveData.postValue(productDetailList)
                 dataProviderSub.setProductDetailsList(productDetailsResult.productDetailsList!!)
                 setBillingState(BillingState.CONSOLE_PRODUCTS_SUB_AVAILABLE)
             }