diff --git a/core/java/android/app/WallpaperManager.java b/core/java/android/app/WallpaperManager.java
index b9a7186dcd2e0..8685259217c59 100644
--- a/core/java/android/app/WallpaperManager.java
+++ b/core/java/android/app/WallpaperManager.java
@@ -1148,11 +1148,25 @@ public class WallpaperManager {
      * @return the dimensions of system wallpaper
      * @hide
      */
+    @Nullable
     public Rect peekBitmapDimensions() {
         return sGlobals.peekWallpaperDimensions(
                 mContext, true /* returnDefault */, mContext.getUserId());
     }
 
+    /**
+     * Peek the dimensions of given wallpaper of the user without decoding it.
+     *
+     * @param which Wallpaper type. Must be either {@link #FLAG_SYSTEM} or
+     *     {@link #FLAG_LOCK}.
+     * @return the dimensions of system wallpaper
+     * @hide
+     */
+    @Nullable
+    public Rect peekBitmapDimensions(@SetWallpaperFlags int which) {
+        return peekBitmapDimensions();
+    }
+
     /**
      * Get an open, readable file descriptor to the given wallpaper image file.
      * The caller is responsible for closing the file descriptor when done ingesting the file.