undo filter null changes for android

Author: fadi-george

android/src/main/java/com/onesignal/flutter/OneSignalSerializer.java

@@ -20,7 +20,6 @@
 import java.util.HashMap;
 import java.util.Iterator;
 import java.util.List;
-import java.util.Map;
 import org.json.JSONArray;
 import org.json.JSONException;
 import org.json.JSONObject;
@@ -256,41 +255,4 @@ private static List<Object> convertJSONArrayToList(JSONArray array) throws JSONE
     static String setNullIfEmpty(String value) {
         return value.isEmpty() ? null : value;
     }
-
-    /**
-     * Formats a properties map, recursively stripping null values.
-     * The native SDK doesn't accept null values in properties currently.
-     */
-    static HashMap<String, Object> formatPropertiesMap(Map<String, Object> map) {
-        if (map == null) return null;
-
-        HashMap<String, Object> result = new HashMap<>();
-        for (Map.Entry<String, Object> entry : map.entrySet()) {
-            Object value = entry.getValue();
-            if (value != null) {
-                result.put(entry.getKey(), convertValue(value));
-            }
-        }
-        return result;
-    }
-
-    @SuppressWarnings("unchecked")
-    private static Object convertValue(Object value) {
-        if (value instanceof Map) {
-            return formatPropertiesMap((Map<String, Object>) value);
-        } else if (value instanceof List) {
-            return stripNullValuesFromList((List<Object>) value);
-        }
-        return value;
-    }
-
-    private static List<Object> stripNullValuesFromList(List<Object> list) {
-        List<Object> result = new ArrayList<>();
-        for (Object item : list) {
-            if (item != null) {
-                result.add(convertValue(item));
-            }
-        }
-        return result;
-    }
 }

android/src/main/java/com/onesignal/flutter/OneSignalUser.java

@@ -169,8 +169,7 @@ private void getTags(MethodCall call, Result result) {
     private void trackEvent(MethodCall call, Result result) {
         String name = call.argument("name");
         Map<String, Object> properties = call.argument("properties");
-        Map<String, Object> sanitizedProperties = OneSignalSerializer.formatPropertiesMap(properties);
-        OneSignal.getUser().trackEvent(name, sanitizedProperties);
+        OneSignal.getUser().trackEvent(name, properties);
         replySuccess(result, null);
     }
 

test/mock_channel.dart

@@ -386,8 +386,7 @@ class OneSignalMockChannelController {
       case "OneSignal#trackEvent":
         final args = call.arguments as Map<dynamic, dynamic>;
         state.trackedEventName = args['name'] as String?;
-        state.trackedEventProperties =
-            args['properties'] as Map<dynamic, dynamic>?;
+        state.trackedEventProperties = args['properties'] as Map<dynamic, dynamic>?;
         break;
     }
   }