feat: add partner_id support

android/src/main/java/com/amplitude/android/Configuration.kt

@@ -18,6 +18,7 @@ class Configuration(
     storageProvider: StorageProvider = FileStorageProvider(),
     loggerProvider: LoggerProvider = AndroidLoggerProvider(),
     minIdLength: Int? = null,
+    partnerId: String? = null,
     callback: EventCallBack? = null,
     val useAdvertisingIdForDeviceId: Boolean = false,
     val useAppSetIdForDeviceId: Boolean = false,
@@ -27,8 +28,8 @@ class Configuration(
     val locationListening: Boolean = true,
     val flushEventsOnClose: Boolean = true,
     val minTimeBetweenSessionsMillis: Long = MIN_TIME_BETWEEN_SESSIONS_MILLIS,
-    val trackingSessionEvents: Boolean = true
-) : Configuration(apiKey, flushQueueSize, flushIntervalMillis, instanceName, optOut, storageProvider, loggerProvider, minIdLength, callback) {
+    val trackingSessionEvents: Boolean = true,
+) : Configuration(apiKey, flushQueueSize, flushIntervalMillis, instanceName, optOut, storageProvider, loggerProvider, minIdLength, partnerId, callback) {
     companion object {
         const val MIN_TIME_BETWEEN_SESSIONS_MILLIS: Long = 5 * 60 * 1000
     }

android/src/main/java/com/amplitude/android/plugins/AndroidContextPlugin.kt

@@ -103,6 +103,11 @@ class AndroidContextPlugin : Plugin {
                 event.appSetId = it
             }
         }
+        event.partnerId ?: let {
+            amplitude.configuration.partnerId ?. let {
+                event.partnerId = it
+            }
+        }
     }
 
     companion object {

core/src/main/java/com/amplitude/core/Configuration.kt

@@ -15,6 +15,7 @@ open class Configuration(
     val storageProvider: StorageProvider = InMemoryStorageProvider(),
     val loggerProvider: LoggerProvider = ConsoleLoggerProvider(),
     val minIdLength: Int? = null,
+    val partnerId: String? = null,
     val callback: EventCallBack? = null,
     val flushMaxRetries: Int = FLUSH_MAX_RETRIES
 ) {

core/src/main/java/com/amplitude/core/events/EventOptions.kt

@@ -40,5 +40,6 @@ open class EventOptions {
     var revenueType: String? = null
     var extra: Map<String, Any>? = null
     var callback: EventCallBack? = null
+    var partnerId: String? = null
     internal var attempts: Int = 0
 }

core/src/main/java/com/amplitude/core/platform/plugins/ContextPlugin.kt

@@ -24,6 +24,11 @@ class ContextPlugin : Plugin {
         event.library = Constants.SDK_LIBRARY + "/" + Constants.SDK_VERSION
         event.userId = amplitude.store.userId
         event.deviceId = amplitude.store.deviceId
+        event.partnerId ?: let {
+            amplitude.configuration.partnerId ?. let {
+                event.partnerId = it
+            }
+        }
     }
 
     override fun execute(event: BaseEvent): BaseEvent? {

core/src/main/java/com/amplitude/core/utilities/JSONUtil.kt

@@ -46,6 +46,7 @@ object JSONUtil {
         eventJSON.addValue("session_id", event.sessionId)
         eventJSON.addValue("insert_id", event.insertId)
         eventJSON.addValue("library", event.library)
+        eventJSON.addValue("partner_id", event.partnerId)
         return eventJSON
     }
 
@@ -187,6 +188,7 @@ internal fun JSONObject.toBaseEvent(): BaseEvent {
     event.sessionId = this.getLong("session_id")
     event.insertId = this.optString("insert_id", null)
     event.library = if (this.has("library")) this.getString("library") else null
+    event.partnerId = this.optString("partner_id", null)
     return event
 }