1 files changed, 14 insertions, 0 deletions
diff --git a/core/java/android/util/SparseIntArray.java b/core/java/android/util/SparseIntArray.java
index e5c729d3dd44..3b832ddd286c 100644
--- a/core/java/android/util/SparseIntArray.java
+++ b/core/java/android/util/SparseIntArray.java
@@ -19,6 +19,8 @@ package android.util;
 import com.android.internal.util.ArrayUtils;
 import com.android.internal.util.GrowingArrayUtils;
 
+import java.util.Arrays;
+
 import libcore.util.EmptyArray;
 
 /**
@@ -239,6 +241,18 @@ public class SparseIntArray implements Cloneable {
     }
 
     /**
+     * Provides a copy of keys.
+     *
+     * @hide
+     * */
+    public int[] copyKeys() {
+        if (size() == 0) {
+            return null;
+        }
+        return Arrays.copyOf(mKeys, size());
+    }
+
+    /**
      * {@inheritDoc}
      *
      * <p>This implementation composes a string by iterating over its mappings.