Fixes for React Native Apps <= 0.72.0 (#71)

* Fix the react-native gradle dependency
* Add a local property to enable specifying react-native version for the SDK for local development
* Specify Kotlin version that is compatible with Android SDK's (although this didn't seem to actually cause any build errors)
* Remove accidental use of an extension method that is technically SDK 24+

---------

Co-authored-by: Evan Masseau <>

android/build.gradle

@@ -103,15 +103,33 @@ repositories {
 }
 
 def kotlin_version = getExtOrDefault("kotlinVersion")
+def localProperties = new Properties()
+if (rootProject.file("local.properties").canRead()) {
+    localProperties.load(new FileInputStream(rootProject.file("local.properties")))
+}
+def reactNativeVersion = localProperties['reactNativeAndroidVersion'] ?: ""
+
 
 dependencies {
-  // For < 0.71, this will be from the local maven repo
-  // For > 0.71, this will be replaced by `com.facebook.react:react-android:$version` by react gradle plugin
-  //noinspection GradleDynamicVersion
-  implementation "com.facebook.react:react-android:0.73.1"
+  if (reactNativeVersion) {
+    // For local development of the SDK code, specify the react-android version to use
+    // So that the SDK can be built and .kt files are linted against a real version of react-native
+    implementation "com.facebook.react:react-android:$reactNativeVersion"
+  } else {
+    // Production build / once embedded in a react-native app,
+    // the react-native version gets loaded in from the application dependencies.
+    // For < 0.71, this will be from the local maven repo
+    // For > 0.71, this will be replaced by `com.facebook.react:react-android:$version` by react gradle plugin
+    //noinspection GradleDynamicVersion
+    implementation "com.facebook.react:react-native:+"
+  }
   implementation "org.jetbrains.kotlin:kotlin-stdlib:$kotlin_version"
+
+  // Klaviyo Android SDK
   api "com.github.klaviyo.klaviyo-android-sdk:analytics:2.0.0"
   api "com.github.klaviyo.klaviyo-android-sdk:push-fcm:2.0.0"
+
+  // We used reflection to enumerate keywords in the Klaviyo Android SDK dynamically
   implementation "org.jetbrains.kotlin:kotlin-reflect:1.8.21"
 }
 

android/gradle.properties

@@ -12,7 +12,7 @@ org.gradle.jvmargs=-Xmx2048m -XX:MaxPermSize=512m -XX:+HeapDumpOnOutOfMemoryErro
 # org.gradle.parallel=true
 #Tue Dec 19 15:08:27 EST 2023
 KlaviyoReactNativeSdk_compileSdkVersion=31
-KlaviyoReactNativeSdk_kotlinVersion=1.7.0
+KlaviyoReactNativeSdk_kotlinVersion=1.8.0
 KlaviyoReactNativeSdk_minSdkVersion=23
 KlaviyoReactNativeSdk_ndkversion=21.4.7075529
 KlaviyoReactNativeSdk_targetSdkVersion=31

android/local.properties

@@ -0,0 +1,6 @@
+## This file must *NOT* be checked into Version Control Systems,
+## as it contains information specific to your local configuration
+
+## Uncomment for local SDK development so that gradle can locate the
+## correct RN version outside the context of an application
+#reactNativeAndroidVersion=0.73.1

android/src/main/java/com/klaviyoreactnativesdk/KlaviyoReactNativeSdkModule.kt

@@ -49,7 +49,7 @@ class KlaviyoReactNativeSdkModule internal constructor(private val context: Reac
     override fun setProfile(profile: ReadableMap) {
       val parsedProfile = Profile()
 
-      profile.toHashMap().forEach { (key, value) ->
+      profile.toHashMap().iterator().forEach { (key, value) ->
         when (key) {
           LOCATION, PROPERTIES ->
             (value as? HashMap<*, *>)?.forEach { (key, value) ->