diff --git a/src/com/android/launcher3/FastBitmapDrawable.java b/src/com/android/launcher3/FastBitmapDrawable.java
index bd19dfa..c4ec8c9 100644
--- a/src/com/android/launcher3/FastBitmapDrawable.java
+++ b/src/com/android/launcher3/FastBitmapDrawable.java
@@ -29,6 +29,8 @@
 import android.graphics.PorterDuff;
 import android.graphics.PorterDuffColorFilter;
 import android.graphics.drawable.Drawable;
+import android.support.annotation.NonNull;
+import android.support.annotation.Nullable;
 import android.util.Property;
 import android.util.SparseArray;
 
@@ -304,4 +306,30 @@
         }
         invalidateSelf();
     }
+
+    @Override
+    public ConstantState getConstantState() {
+        return new MyConstantState(mBitmap, mIconColor);
+    }
+
+    private static class MyConstantState extends ConstantState {
+        private final Bitmap mBitmap;
+        private final int mIconColor;
+
+
+        public MyConstantState(Bitmap bitmap, int color) {
+            mBitmap = bitmap;
+            mIconColor = color;
+        }
+
+        @Override
+        public Drawable newDrawable() {
+            return new FastBitmapDrawable(mBitmap, mIconColor);
+        }
+
+        @Override
+        public int getChangingConfigurations() {
+            return 0;
+        }
+    }
 }