diff --git a/src/com/android/launcher3/InvariantDeviceProfile.java b/src/com/android/launcher3/InvariantDeviceProfile.java
index 5c842a5..935dda6 100644
--- a/src/com/android/launcher3/InvariantDeviceProfile.java
+++ b/src/com/android/launcher3/InvariantDeviceProfile.java
@@ -30,12 +30,16 @@
 import android.util.AttributeSet;
 import android.util.DisplayMetrics;
 import android.util.Log;
+import android.util.SparseArray;
+import android.util.TypedValue;
 import android.util.Xml;
 import android.view.Display;
 import android.view.WindowManager;
 
 import com.android.launcher3.util.ConfigMonitor;
+import com.android.launcher3.util.IntArray;
 import com.android.launcher3.util.MainThreadInitializedObject;
+import com.android.launcher3.util.Themes;
 
 import org.xmlpull.v1.XmlPullParser;
 import org.xmlpull.v1.XmlPullParserException;
@@ -44,6 +48,7 @@
 import java.util.ArrayList;
 import java.util.Collections;
 
+import androidx.annotation.Nullable;
 import androidx.annotation.VisibleForTesting;
 
 public class InvariantDeviceProfile {
@@ -91,6 +96,8 @@
     public int fillResIconDpi;
     public float iconTextSize;
 
+    private SparseArray<TypedValue> mExtraAttrs;
+
     /**
      * Number of icons inside the hotseat area.
      */
@@ -122,6 +129,7 @@
         numHotseatIcons = p.numHotseatIcons;
         defaultLayoutId = p.defaultLayoutId;
         demoModeLayoutId = p.demoModeLayoutId;
+        mExtraAttrs = p.mExtraAttrs;
     }
 
     @TargetApi(23)
@@ -171,6 +179,8 @@
         demoModeLayoutId = closestProfile.demoModeLayoutId;
         numFolderRows = closestProfile.numFolderRows;
         numFolderColumns = closestProfile.numFolderColumns;
+        mExtraAttrs = closestProfile.extraAttrs;
+
         if (!closestProfile.name.equals(gridName)) {
             Utilities.getPrefs(context).edit()
                     .putString(KEY_IDP_GRID_NAME, closestProfile.name).apply();
@@ -210,6 +220,11 @@
         }
     }
 
+    @Nullable
+    public TypedValue getAttrValue(int attr) {
+        return mExtraAttrs == null ? null : mExtraAttrs.get(attr);
+    }
+
     public void addOnChangeListener(OnIDPChangeListener listener) {
         mChangeListeners.add(listener);
     }
@@ -436,6 +451,8 @@
         private final int defaultLayoutId;
         private final int demoModeLayoutId;
 
+        private final SparseArray<TypedValue> extraAttrs;
+
         GridOption(Context context, AttributeSet attrs) {
             TypedArray a = context.obtainStyledAttributes(
                     attrs, R.styleable.GridDisplayOption);
@@ -454,6 +471,9 @@
             numFolderColumns = a.getInt(
                     R.styleable.GridDisplayOption_numFolderColumns, numColumns);
             a.recycle();
+
+            extraAttrs = Themes.createValueMap(context, attrs,
+                    IntArray.wrap(R.styleable.GridDisplayOption));
         }
     }
 
diff --git a/src/com/android/launcher3/folder/FolderShape.java b/src/com/android/launcher3/folder/FolderShape.java
index f7cdb77..4b06dda 100644
--- a/src/com/android/launcher3/folder/FolderShape.java
+++ b/src/com/android/launcher3/folder/FolderShape.java
@@ -49,6 +49,7 @@
 import com.android.launcher3.R;
 import com.android.launcher3.Utilities;
 import com.android.launcher3.anim.RoundedRectRevealOutlineProvider;
+import com.android.launcher3.util.IntArray;
 import com.android.launcher3.util.Themes;
 
 import org.xmlpull.v1.XmlPullParser;
@@ -387,6 +388,8 @@
 
             final int depth = parser.getDepth();
             int[] radiusAttr = new int[] {R.attr.folderIconRadius};
+            IntArray keysToIgnore = new IntArray(0);
+
             while (((type = parser.next()) != XmlPullParser.END_TAG ||
                     parser.getDepth() > depth) && type != XmlPullParser.END_DOCUMENT) {
 
@@ -396,7 +399,7 @@
                     FolderShape shape = getShapeDefinition(parser.getName(), a.getFloat(0, 1));
                     a.recycle();
 
-                    shape.mAttrs = Themes.createValueMap(context, attrs);
+                    shape.mAttrs = Themes.createValueMap(context, attrs, keysToIgnore);
                     result.add(shape);
                 }
             }
diff --git a/src/com/android/launcher3/util/Themes.java b/src/com/android/launcher3/util/Themes.java
index e3ab1a5..675e2f4 100644
--- a/src/com/android/launcher3/util/Themes.java
+++ b/src/com/android/launcher3/util/Themes.java
@@ -112,16 +112,19 @@
      * Creates a map for attribute-name to value for all the values in {@param attrs} which can be
      * held in memory for later use.
      */
-    public static SparseArray<TypedValue> createValueMap(Context context, AttributeSet attrSet) {
+    public static SparseArray<TypedValue> createValueMap(Context context, AttributeSet attrSet,
+            IntArray keysToIgnore) {
         int count = attrSet.getAttributeCount();
-        int[] attrNames = new int[count];
+        IntArray attrNameArray = new IntArray(count);
         for (int i = 0; i < count; i++) {
-            attrNames[i] = attrSet.getAttributeNameResource(i);
+            attrNameArray.add(attrSet.getAttributeNameResource(i));
         }
+        attrNameArray.removeAllValues(keysToIgnore);
 
-        SparseArray<TypedValue> result = new SparseArray<>(count);
+        int[] attrNames = attrNameArray.toArray();
+        SparseArray<TypedValue> result = new SparseArray<>(attrNames.length);
         TypedArray ta = context.obtainStyledAttributes(attrSet, attrNames);
-        for (int i = 0; i < count; i++) {
+        for (int i = 0; i < attrNames.length; i++) {
             TypedValue tv = new TypedValue();
             ta.getValue(i, tv);
             result.put(attrNames[i], tv);