Invoke ad revenue callback on background thread (#140)

Author: DmitriiFeshchenko

Runtime/Common/Events/Public/Interfaces/IAdRevenueListener.cs

@@ -14,6 +14,14 @@ public interface IAdRevenueListener
         /// See <see href="https://docs.appodeal.com/unity/advanced/ad-revenue-callback"/> for more details.
         /// </summary>
         /// <param name="ad">contains info about the tracked impression.</param>
+        /// <remarks>
+        /// <para>
+        /// On Android, this callback is invoked on a background thread to ensure ad revenue data
+        /// is delivered immediately without loss, reducing discrepancies when forwarding to MMPs.
+        /// </para>
+        /// If you need to interact with Unity Engine APIs (e.g., UI updates), make sure to dispatch those calls to the main thread.
+        /// See <see href="https://docs.appodeal.com/unity/advanced/main-thread-callbacks"/> for more details.
+        /// </remarks>
         void OnAdRevenueReceived(AppodealAdRevenue ad);
     }
 }

Runtime/Common/Events/Public/Scripts/AppodealCallbacks.cs

@@ -118,6 +118,14 @@ public static AdRevenue Instance
             /// </para>
             /// Arguments are of a type <see cref="AdRevenueEventArgs"/>.
             /// </summary>
+            /// <remarks>
+            /// <para>
+            /// On Android, this event is raised on a background thread to ensure ad revenue data
+            /// is delivered immediately without loss, reducing discrepancies when forwarding to MMPs.
+            /// </para>
+            /// If you need to interact with Unity Engine APIs (e.g., UI updates), make sure to dispatch those calls to the main thread.
+            /// See <see href="https://docs.appodeal.com/unity/advanced/main-thread-callbacks"/> for more details.
+            /// </remarks>
             public static event EventHandler<AdRevenueEventArgs> OnReceived;
 
             private void InitializeCallbacks()

Runtime/Platforms/Android/Callbacks/AppodealAdRevenueCallback.cs

@@ -25,7 +25,7 @@ private void onAdRevenueReceive(AndroidJavaObject ad)
         {
             if (ad == null)
             {
-                UnityMainThreadDispatcher.Post(_ => _listener?.OnAdRevenueReceived(null));
+                _listener?.OnAdRevenueReceived(null);
                 return;
             }
 
@@ -41,7 +41,7 @@ private void onAdRevenueReceive(AndroidJavaObject ad)
                 RevenuePrecision = ad.Call<string>(AndroidConstants.JavaMethodName.AdRevenue.GetRevenuePrecision)
             };
 
-            UnityMainThreadDispatcher.Post(_ => _listener?.OnAdRevenueReceived(adRevenue));
+            _listener?.OnAdRevenueReceived(adRevenue);
         }
     }
 }