fix: [SDK-4523] Unity custom event nested property encoding (#871)

Author: fadi-george

com.onesignal.unity.android/Runtime/Utilities/AndroidJavaObjectExtensions.cs

@@ -173,7 +173,9 @@ public static AndroidJavaObject ToMap(this Dictionary<string, object> source)
                         case bool boolValue:
                             value = new AndroidJavaObject("java.lang.Boolean", boolValue);
                             break;
-                        case Dictionary<string, object> dictValue:
+                        // Check IDictionary before IList: some dict-like types
+                        // (e.g. Newtonsoft's JObject) also implement IList.
+                        case System.Collections.IDictionary dictValue:
                             value = new AndroidJavaObject(
                                 "org.json.JSONObject",
                                 Json.Serialize(dictValue)

com.onesignal.unity.core/Runtime/Utilities/MiniJSON.cs

@@ -509,14 +509,16 @@ void SerializeValue(object value)
                 {
                     builder.Append((bool)value ? "true" : "false");
                 }
-                else if ((asList = value as IList) != null)
-                {
-                    SerializeArray(asList);
-                }
+                // Check IDictionary before IList: some dict-like types (e.g. Newtonsoft's
+                // JObject) also implement IList, and would otherwise be serialized as arrays.
                 else if ((asDict = value as IDictionary) != null)
                 {
                     SerializeObject(asDict);
                 }
+                else if ((asList = value as IList) != null)
+                {
+                    SerializeArray(asList);
+                }
                 else if (value is char)
                 {
                     SerializeString(new string((char)value, 1));

examples/demo/Assets/Scripts/UI/Dialogs/TrackEventDialog.cs

@@ -1,6 +1,6 @@
 using System;
 using System.Collections.Generic;
-using Newtonsoft.Json;
+using OneSignalSDK;
 using UnityEngine.UIElements;
 
 namespace OneSignalDemo.UI.Dialogs
@@ -75,14 +75,7 @@ private void ValidateInput()
             var propsText = _propertiesField?.value;
             if (!string.IsNullOrEmpty(propsText))
             {
-                try
-                {
-                    JsonConvert.DeserializeObject<Dictionary<string, object>>(propsText);
-                }
-                catch
-                {
-                    _jsonValid = false;
-                }
+                _jsonValid = TryParseProperties(propsText, out _);
             }
 
             _jsonError.style.display = _jsonValid ? DisplayStyle.None : DisplayStyle.Flex;
@@ -97,20 +90,30 @@ private void OnConfirm()
 
             Dictionary<string, object> props = null;
             var propsText = _propertiesField?.value;
-            if (!string.IsNullOrEmpty(propsText))
+            if (!string.IsNullOrEmpty(propsText) && !TryParseProperties(propsText, out props))
             {
-                try
-                {
-                    props = JsonConvert.DeserializeObject<Dictionary<string, object>>(propsText);
-                }
-                catch
-                {
-                    return;
-                }
+                return;
             }
 
             _onConfirm?.Invoke(name, props);
             Dismiss();
         }
+
+        // Use the SDK's MiniJSON parser so nested objects/arrays come back as plain
+        // Dictionary<string, object> / List<object>. Newtonsoft would hand back
+        // JObject/JArray, which the native bridges then mis-serialize.
+        private static bool TryParseProperties(string propsText, out Dictionary<string, object> props)
+        {
+            props = null;
+            try
+            {
+                props = Json.Deserialize(propsText) as Dictionary<string, object>;
+            }
+            catch
+            {
+                return false;
+            }
+            return props != null;
+        }
     }
 }

examples/demo/run-android.sh

@@ -6,8 +6,39 @@
 set -eu
 
 SCRIPT_DIR="$(cd "$(dirname "$0")" && pwd)"
-UNITY="${UNITY_PATH:-/Applications/Unity/Hub/Editor/6000.3.6f1/Unity.app/Contents/MacOS/Unity}"
-ADB="/Applications/Unity/Hub/Editor/6000.3.6f1/PlaybackEngines/AndroidPlayer/SDK/platform-tools/adb"
+
+# Auto-detect newest Unity 6000.x install under the Hub, unless UNITY_PATH is set.
+find_unity() {
+  if [ -n "${UNITY_PATH:-}" ]; then
+    echo "$UNITY_PATH"
+    return
+  fi
+  for d in $(ls -1 /Applications/Unity/Hub/Editor 2>/dev/null | sort -rV); do
+    BIN="/Applications/Unity/Hub/Editor/$d/Unity.app/Contents/MacOS/Unity"
+    [ -x "$BIN" ] && echo "$BIN" && return
+  done
+}
+UNITY="$(find_unity)"
+
+# Resolve adb in this order: $ADB, $ANDROID_HOME/platform-tools, ~/Library/Android/sdk,
+# `which adb`, then Unity's bundled Android SDK.
+find_adb() {
+  if [ -n "${ADB:-}" ] && [ -x "$ADB" ]; then echo "$ADB"; return; fi
+  for CANDIDATE in \
+    "${ANDROID_HOME:-}/platform-tools/adb" \
+    "${ANDROID_SDK_ROOT:-}/platform-tools/adb" \
+    "$HOME/Library/Android/sdk/platform-tools/adb"; do
+    [ -x "$CANDIDATE" ] && echo "$CANDIDATE" && return
+  done
+  if command -v adb >/dev/null 2>&1; then command -v adb; return; fi
+  if [ -n "$UNITY" ]; then
+    UNITY_DIR=$(dirname "$(dirname "$(dirname "$(dirname "$UNITY")")")")
+    CANDIDATE="$UNITY_DIR/PlaybackEngines/AndroidPlayer/SDK/platform-tools/adb"
+    [ -x "$CANDIDATE" ] && echo "$CANDIDATE" && return
+  fi
+}
+ADB="$(find_adb)"
+
 OUTPUT="$SCRIPT_DIR/Build/Android/onesignal-demo.apk"
 LOG="$SCRIPT_DIR/Build/build-android.log"
 INSTALL=true
@@ -21,6 +52,7 @@ for arg in "$@"; do
 done
 
 pick_emulator() {
+  [ -z "$ADB" ] && echo "adb not found. Set ADB or ANDROID_HOME to your Android SDK." && exit 1
   LIST=$("$ADB" devices | awk '/emulator-[0-9]+[[:space:]]+device/{print $1}')
   COUNT=$(printf '%s\n' "$LIST" | grep -c . || true)
 

examples/demo/run-ios.sh

@@ -6,7 +6,20 @@
 set -eu
 
 SCRIPT_DIR="$(cd "$(dirname "$0")" && pwd)"
-UNITY="${UNITY_PATH:-/Applications/Unity/Hub/Editor/6000.3.6f1/Unity.app/Contents/MacOS/Unity}"
+
+# Auto-detect newest Unity 6000.x install under the Hub, unless UNITY_PATH is set.
+find_unity() {
+  if [ -n "${UNITY_PATH:-}" ]; then
+    echo "$UNITY_PATH"
+    return
+  fi
+  for d in $(ls -1 /Applications/Unity/Hub/Editor 2>/dev/null | sort -rV); do
+    BIN="/Applications/Unity/Hub/Editor/$d/Unity.app/Contents/MacOS/Unity"
+    [ -x "$BIN" ] && echo "$BIN" && return
+  done
+}
+UNITY="$(find_unity)"
+
 XCODE_DIR="$SCRIPT_DIR/Build/iOS"
 LOG="$SCRIPT_DIR/Build/build-ios.log"
 SCHEME="Unity-iPhone"