Add wrapper for IAM lifecycle on Android

Author: Adam Schlesinger

com.onesignal.unity.android/Runtime/OneSignalAndroid.Callbacks.cs

@@ -43,6 +43,9 @@ public sealed partial class OneSignalAndroid : OneSignal {
         private const string SDKClassName = "OneSignal";
         private const string QualifiedSDKClass = SDKPackage + "." + SDKClassName;
 
+        private const string IAMLifecycleClassName = "UnityIAMLifecycleHandler";
+        private const string QualifiedIAMLifecycleClass = SDKPackage + "." + IAMLifecycleClassName;
+
         private readonly AndroidJavaClass _sdkClass = new AndroidJavaClass(QualifiedSDKClass);
 
         private abstract class OneSignalAndroidJavaProxy : AndroidJavaProxy {
@@ -82,8 +85,10 @@ public OneSignalAndroid() {
             _sdkClass.CallStatic("setNotificationOpenedHandler", new OSNotificationOpenedHandler());
 
             // iams
-            _sdkClass.CallStatic("setInAppMessageLifecycleHandler", new OSInAppMessageLifecycleHandler());
             _sdkClass.CallStatic("setInAppMessageClickHandler", new OSInAppMessageClickHandler());
+            
+            var wrapperHandler = new AndroidJavaObject(QualifiedIAMLifecycleClass, new OSInAppMessageLifecycleHandler());
+            _sdkClass.CallStatic("setInAppMessageLifecycleHandler", wrapperHandler);
 
             _instance = this;
         }
@@ -156,7 +161,7 @@ public void notificationOpened(AndroidJavaObject result)
         }
 
         private sealed class OSInAppMessageLifecycleHandler : OneSignalAndroidJavaProxy {
-            public OSInAppMessageLifecycleHandler() : base("OSInAppMessageLifecycleHandler") { }
+            public OSInAppMessageLifecycleHandler() : base(IAMLifecycleClassName + "$WrapperLifecycleHandler") { }
 
             /// <param name="message">OSInAppMessage</param>
             public void onWillDisplayInAppMessage(AndroidJavaObject message)

com.onesignal.unity.android/Runtime/Plugins.meta

@@ -0,0 +1,67 @@
+/*
+ * Modified MIT License
+ *
+ * Copyright 2021 OneSignal
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * 1. The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * 2. All copies of substantial portions of the Software may only be used in connection
+ * with services provided by OneSignal.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+package com.onesignal;
+
+public final class UnityIAMLifecycleHandler extends OSInAppMessageLifecycleHandler {
+    private final WrapperLifecycleHandler wrapperLifeCycleHandler;
+
+    public UnityIAMLifecycleHandler(WrapperLifecycleHandler handler) {
+        wrapperLifeCycleHandler = handler;
+    }
+
+    public interface WrapperLifecycleHandler {
+        void onWillDisplayInAppMessage(OSInAppMessage message);
+        void onDidDisplayInAppMessage(OSInAppMessage message);
+        void onWillDismissInAppMessage(OSInAppMessage message);
+        void onDidDismissInAppMessage(OSInAppMessage message);
+    }
+
+    @Override
+    public void onWillDisplayInAppMessage(OSInAppMessage message) {
+        if (wrapperLifeCycleHandler != null)
+            wrapperLifeCycleHandler.onWillDisplayInAppMessage(message);
+    }
+
+    @Override
+    public void onDidDisplayInAppMessage(OSInAppMessage message) {
+        if (wrapperLifeCycleHandler != null)
+            wrapperLifeCycleHandler.onDidDisplayInAppMessage(message);
+    }
+
+    @Override
+    public void onWillDismissInAppMessage(OSInAppMessage message) {
+        if (wrapperLifeCycleHandler != null)
+            wrapperLifeCycleHandler.onWillDismissInAppMessage(message);
+    }
+
+    @Override
+    public void onDidDismissInAppMessage(OSInAppMessage message) {
+        if (wrapperLifeCycleHandler != null)
+            wrapperLifeCycleHandler.onDidDismissInAppMessage(message);
+    }
+}