Native Payments SDK implementation

android/src/main/kotlin/com/klarna/inapp/sdk/flutter_klarna_inapp_sdk/FlutterKlarnaInappSdk.kt

@@ -1,6 +1,8 @@
 package com.klarna.inapp.sdk.flutter_klarna_inapp_sdk
 
 import androidx.annotation.NonNull
+import com.klarna.inapp.sdk.flutter_klarna_inapp_sdk.payment.KlarnaPaymentViewWidgetFactory
+import com.klarna.inapp.sdk.flutter_klarna_inapp_sdk.payment.KlarnaPaymentViewPlugin
 import io.flutter.embedding.engine.plugins.FlutterPlugin
 import io.flutter.embedding.engine.plugins.activity.ActivityAware
 import io.flutter.embedding.engine.plugins.activity.ActivityPluginBinding
@@ -20,6 +22,10 @@ public class FlutterKlarnaInappSdk : FlutterPlugin, ActivityAware {
             val eventChannel = EventChannel(flutterPluginBinding.flutterEngine.dartExecutor, it.key)
             eventChannel.setStreamHandler(it.value)
         }
+
+        flutterPluginBinding
+                .platformViewRegistry
+                .registerViewFactory("plugins/klarna_payment_view", KlarnaPaymentViewWidgetFactory(flutterPluginBinding.binaryMessenger))
     }
 
     // This static function is optional and equivalent to onAttachedToEngine. It supports the old
@@ -46,6 +52,8 @@ public class FlutterKlarnaInappSdk : FlutterPlugin, ActivityAware {
 
             PluginContext.activity = registrar.activity()
             PluginContext.context = registrar.context()
+
+            KlarnaPaymentViewPlugin.registerWith(registrar)
         }
     }
 

android/src/main/kotlin/com/klarna/inapp/sdk/flutter_klarna_inapp_sdk/payment/KlarnaPaymentViewPlugin.kt

@@ -0,0 +1,12 @@
+package com.klarna.inapp.sdk.flutter_klarna_inapp_sdk.payment
+
+import io.flutter.plugin.common.PluginRegistry
+
+object KlarnaPaymentViewPlugin {
+    fun registerWith(registrar: PluginRegistry.Registrar) {
+        registrar
+                .platformViewRegistry()
+                .registerViewFactory(
+                        "plugins/klarna_payment_view", KlarnaPaymentViewWidgetFactory(registrar.messenger()))
+    }
+}

android/src/main/kotlin/com/klarna/inapp/sdk/flutter_klarna_inapp_sdk/payment/KlarnaPaymentViewWidget.kt

@@ -0,0 +1,84 @@
+package com.klarna.inapp.sdk.flutter_klarna_inapp_sdk.payment
+
+import android.content.Context
+import android.view.View
+import com.klarna.inapp.sdk.flutter_klarna_inapp_sdk.PluginContext
+import com.klarna.inapp.sdk.flutter_klarna_inapp_sdk.core.util.requireArgument
+import com.klarna.mobile.sdk.api.payments.KlarnaPaymentCategory
+import com.klarna.mobile.sdk.api.payments.KlarnaPaymentView
+import io.flutter.Log
+import io.flutter.plugin.common.MethodCall
+import io.flutter.plugin.common.MethodChannel
+import io.flutter.plugin.common.MethodChannel.MethodCallHandler
+import io.flutter.plugin.common.MethodChannel.Result
+import io.flutter.plugin.common.BinaryMessenger
+import io.flutter.plugin.platform.PlatformView
+
+class KlarnaPaymentViewWidget internal constructor(context: Context, id: Int, messenger: BinaryMessenger, creationParams: Map<String?, Any?>?) : PlatformView, MethodCallHandler {
+    private val methodChannel: MethodChannel
+
+    private val paymentView: KlarnaPaymentView
+
+    private val paymentCategories = mapOf(
+            "pay_now" to KlarnaPaymentCategory.PAY_NOW,
+            "pay_later" to KlarnaPaymentCategory.PAY_LATER,
+            "pay_over_time" to KlarnaPaymentCategory.SLICE_IT
+    )
+
+    override fun getView(): View {
+        return paymentView
+    }
+
+    init {
+        val paymentCategory = creationParams!!["category"] as String
+
+        methodChannel = MethodChannel(messenger, "plugins/klarna_payment_view_$id")
+        methodChannel.setMethodCallHandler(this)
+        paymentView = KlarnaPaymentView(PluginContext.context!!, paymentCategories[paymentCategory]!!, KlarnaPaymentSDKCallback(methodChannel))
+    }
+
+    override fun onMethodCall(methodCall: MethodCall, result: Result) {
+        when (methodCall.method) {
+            "initialize" -> initialize(methodCall, result)
+            "load" -> load(methodCall, result)
+            "authorize" -> authorize(methodCall, result)
+            "finalize" -> finalize(methodCall, result)
+            "reauthorize" -> reauthorize(methodCall, result)
+            "loadPaymentReview" -> loadPaymentReview(methodCall, result)
+            else -> result.notImplemented()
+        }
+    }
+
+    private fun initialize(methodCall: MethodCall, result: Result) {
+        paymentView.initialize(methodCall.requireArgument("clientToken"), methodCall.requireArgument("returnUrl"))
+        result.success(null)
+    }
+
+    private fun load(methodCall: MethodCall, result: Result) {
+        paymentView.load(methodCall.argument("args"))
+        result.success(null)
+    }
+
+    private fun authorize(methodCall: MethodCall, result: Result) {
+        paymentView.authorize(methodCall.requireArgument("autoFinalize"), methodCall.argument("sessionData"))
+        result.success(null)
+    }
+
+    private fun finalize(methodCall: MethodCall, result: Result) {
+        paymentView.finalize(methodCall.argument("sessionData"));
+        result.success(null)
+    }
+
+    private fun reauthorize(methodCall: MethodCall, result: Result) {
+        paymentView.reauthorize(methodCall.argument("sessionData"));
+        result.success(null)
+    }
+
+    private fun loadPaymentReview(methodCall: MethodCall, result: Result) {
+        paymentView.loadPaymentReview();
+        result.success(null)
+    }
+
+    override fun dispose() {
+    }
+}

android/src/main/kotlin/com/klarna/inapp/sdk/flutter_klarna_inapp_sdk/payment/KlarnaPaymentViewWidgetFactory.kt

@@ -0,0 +1,14 @@
+package com.klarna.inapp.sdk.flutter_klarna_inapp_sdk.payment
+
+import android.content.Context
+import com.klarna.inapp.sdk.flutter_klarna_inapp_sdk.payment.KlarnaPaymentViewWidget
+import io.flutter.plugin.common.BinaryMessenger
+import io.flutter.plugin.common.StandardMessageCodec
+import io.flutter.plugin.platform.PlatformView
+import io.flutter.plugin.platform.PlatformViewFactory
+
+class KlarnaPaymentViewWidgetFactory(private val messenger: BinaryMessenger) : PlatformViewFactory(StandardMessageCodec.INSTANCE) {
+    override fun create(context: Context, id: Int, args: Any?): PlatformView {
+        return KlarnaPaymentViewWidget(context = context, id = id, messenger = messenger, creationParams = args as Map<String?, Any?>?)
+    }
+}

android/src/main/kotlin/com/klarna/inapp/sdk/flutter_klarna_inapp_sdk/payment/PaymentSDKCallback.kt

@@ -0,0 +1,49 @@
+package com.klarna.inapp.sdk.flutter_klarna_inapp_sdk.payment
+
+import com.klarna.mobile.sdk.api.payments.KlarnaPaymentView
+import com.klarna.mobile.sdk.api.payments.KlarnaPaymentViewCallback
+import com.klarna.mobile.sdk.api.payments.KlarnaPaymentsSDKError
+import io.flutter.plugin.common.MethodChannel
+
+internal class KlarnaPaymentSDKCallback constructor(methodChannel: MethodChannel) : KlarnaPaymentViewCallback {
+    private val callbackMethodChannel = methodChannel;
+
+    override fun onAuthorized(view: KlarnaPaymentView, approved: Boolean, authToken: String?, finalizedRequired: Boolean?) {
+        val args = mapOf("authToken" to authToken, "approved" to approved, "finalizedRequired" to finalizedRequired)
+        callbackMethodChannel.invokeMethod("onAuthorized", args)
+    }
+
+    override fun onErrorOccurred(view: KlarnaPaymentView, error: KlarnaPaymentsSDKError) {
+        val args = mapOf(
+                "message" to error.message,
+                "action" to error.action,
+                "name" to error.name,
+                "invalidFields" to error.invalidFields,
+                "isFatal" to error.isFatal
+        )
+        callbackMethodChannel.invokeMethod("onErrorOccurred", args)
+    }
+
+    override fun onFinalized(view: KlarnaPaymentView, approved: Boolean, authToken: String?) {
+        val args = mapOf("approved" to approved, "authToken" to authToken)
+        callbackMethodChannel.invokeMethod("onFinalized", args)
+    }
+
+    override fun onInitialized(view: KlarnaPaymentView) {
+        callbackMethodChannel.invokeMethod("onInitialized", null)
+    }
+
+    override fun onLoadPaymentReview(view: KlarnaPaymentView, showForm: Boolean) {
+        val args = mapOf("showForm" to showForm)
+        callbackMethodChannel.invokeMethod("onLoadPaymentReview", args)
+    }
+
+    override fun onLoaded(view: KlarnaPaymentView) {
+        callbackMethodChannel.invokeMethod("onLoaded", null)
+    }
+
+    override fun onReauthorized(view: KlarnaPaymentView, approved: Boolean, authToken: String?) {
+        val args = mapOf("approved" to approved, "authToken" to authToken)
+        callbackMethodChannel.invokeMethod("onReauthorized", args)
+    }
+}

examples/payments/android/app/build.gradle

@@ -0,0 +1,68 @@
+def localProperties = new Properties()
+def localPropertiesFile = rootProject.file('local.properties')
+if (localPropertiesFile.exists()) {
+    localPropertiesFile.withReader('UTF-8') { reader ->
+        localProperties.load(reader)
+    }
+}
+
+def flutterRoot = localProperties.getProperty('flutter.sdk')
+if (flutterRoot == null) {
+    throw new GradleException("Flutter SDK not found. Define location with flutter.sdk in the local.properties file.")
+}
+
+def flutterVersionCode = localProperties.getProperty('flutter.versionCode')
+if (flutterVersionCode == null) {
+    flutterVersionCode = '1'
+}
+
+def flutterVersionName = localProperties.getProperty('flutter.versionName')
+if (flutterVersionName == null) {
+    flutterVersionName = '1.0'
+}
+
+apply plugin: 'com.android.application'
+apply plugin: 'kotlin-android'
+apply from: "$flutterRoot/packages/flutter_tools/gradle/flutter.gradle"
+
+android {
+    compileSdkVersion 28
+
+    sourceSets {
+        main.java.srcDirs += 'src/main/kotlin'
+    }
+
+    lintOptions {
+        disable 'InvalidPackage'
+    }
+
+    defaultConfig {
+        // TODO: Specify your own unique Application ID (https://developer.android.com/studio/build/application-id.html).
+        applicationId "com.klarna.inapp.sdk.flutter_klarna_inapp_sdk_example"
+        minSdkVersion 19
+        targetSdkVersion 28
+        versionCode flutterVersionCode.toInteger()
+        versionName flutterVersionName
+        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
+    }
+
+    buildTypes {
+        release {
+            // TODO: Add your own signing config for the release build.
+            // Signing with the debug keys for now, so `flutter run --release` works.
+            signingConfig signingConfigs.debug
+        }
+    }
+}
+
+flutter {
+    source '../..'
+}
+
+dependencies {
+    implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
+    implementation 'androidx.constraintlayout:constraintlayout:2.0.4'
+    testImplementation 'junit:junit:4.12'
+    androidTestImplementation 'androidx.test:runner:1.1.1'
+    androidTestImplementation 'androidx.test.espresso:espresso-core:3.1.1'
+}

examples/payments/android/settings_aar.gradle

@@ -0,0 +1 @@
+include ':app'

examples/payments/ios/Podfile.lock

@@ -0,0 +1,31 @@
+PODS:
+  - Flutter (1.0.0)
+  - flutter_klarna_inapp_sdk (0.0.1):
+    - Flutter
+    - KlarnaMobileSDK (~> 2.0.20)
+  - KlarnaMobileSDK (2.0.20):
+    - KlarnaMobileSDK/xcode-11.5-fat-basic (= 2.0.20)
+  - KlarnaMobileSDK/xcode-11.5-fat-basic (2.0.20)
+
+DEPENDENCIES:
+  - Flutter (from `Flutter`)
+  - flutter_klarna_inapp_sdk (from `.symlinks/plugins/flutter_klarna_inapp_sdk/ios`)
+
+SPEC REPOS:
+  trunk:
+    - KlarnaMobileSDK
+
+EXTERNAL SOURCES:
+  Flutter:
+    :path: Flutter
+  flutter_klarna_inapp_sdk:
+    :path: ".symlinks/plugins/flutter_klarna_inapp_sdk/ios"
+
+SPEC CHECKSUMS:
+  Flutter: 0e3d915762c693b495b44d77113d4970485de6ec
+  flutter_klarna_inapp_sdk: 751b9f9afbf3d6cd7f9afb6fe50b469d88c25ffe
+  KlarnaMobileSDK: 2f72b76a0650fe047fba0fd65e6782b5bacf1053
+
+PODFILE CHECKSUM: 0ba44ad07df4ab62269dc769727cf0f12b1e453d
+
+COCOAPODS: 1.10.1

examples/payments/ios/Runner/Info.plist

@@ -0,0 +1,47 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>CFBundleDevelopmentRegion</key>
+	<string>$(DEVELOPMENT_LANGUAGE)</string>
+	<key>CFBundleExecutable</key>
+	<string>$(EXECUTABLE_NAME)</string>
+	<key>CFBundleIdentifier</key>
+	<string>$(PRODUCT_BUNDLE_IDENTIFIER)</string>
+	<key>CFBundleInfoDictionaryVersion</key>
+	<string>6.0</string>
+	<key>CFBundleName</key>
+	<string>flutter_klarna_inapp_sdk_example</string>
+	<key>CFBundlePackageType</key>
+	<string>APPL</string>
+	<key>CFBundleShortVersionString</key>
+	<string>$(FLUTTER_BUILD_NAME)</string>
+	<key>CFBundleSignature</key>
+	<string>????</string>
+	<key>CFBundleVersion</key>
+	<string>$(FLUTTER_BUILD_NUMBER)</string>
+	<key>LSRequiresIPhoneOS</key>
+	<true/>
+	<key>UILaunchStoryboardName</key>
+	<string>LaunchScreen</string>
+	<key>UIMainStoryboardFile</key>
+	<string>Main</string>
+	<key>UISupportedInterfaceOrientations</key>
+	<array>
+		<string>UIInterfaceOrientationPortrait</string>
+		<string>UIInterfaceOrientationLandscapeLeft</string>
+		<string>UIInterfaceOrientationLandscapeRight</string>
+	</array>
+	<key>UISupportedInterfaceOrientations~ipad</key>
+	<array>
+		<string>UIInterfaceOrientationPortrait</string>
+		<string>UIInterfaceOrientationPortraitUpsideDown</string>
+		<string>UIInterfaceOrientationLandscapeLeft</string>
+		<string>UIInterfaceOrientationLandscapeRight</string>
+	</array>
+	<key>UIViewControllerBasedStatusBarAppearance</key>
+	<false/>
+	<key>io.flutter.embedded_views_preview</key>
+    <true/>
+</dict>
+</plist>