1 files changed, 7 insertions, 0 deletions
diff --git a/src/com/android/gallery3d/filtershow/filters/FilterRepresentation.java b/src/com/android/gallery3d/filtershow/filters/FilterRepresentation.java
index 1415f14ad..d92b323bb 100644
--- a/src/com/android/gallery3d/filtershow/filters/FilterRepresentation.java
+++ b/src/com/android/gallery3d/filtershow/filters/FilterRepresentation.java
@@ -46,6 +46,9 @@ public class FilterRepresentation implements Cloneable {
     }
 
     public boolean equals(FilterRepresentation representation) {
+        if (representation == null) {
+            return false;
+        }
         if (representation.mFilterClass == representation.mFilterClass
                 && representation.mName.equalsIgnoreCase(mName)
                 && representation.mPriority == mPriority
@@ -94,6 +97,10 @@ public class FilterRepresentation implements Cloneable {
         return mShowParameterValue;
     }
 
+    public boolean allowsMultipleInstances() {
+        return false;
+    }
+
     public Class getFilterClass() {
         return mFilterClass;
     }