diff --git a/core/api/current.txt b/core/api/current.txt
index 99d8b51e185fc..d3127fc41d48e 100644
--- a/core/api/current.txt
+++ b/core/api/current.txt
@@ -45372,6 +45372,7 @@ package android.util {
     method public void remove(int);
     method public void removeAt(int);
     method public void removeAtRange(int, int);
+    method public void set(int, E);
     method public void setValueAt(int, E);
     method public int size();
     method public E valueAt(int);
diff --git a/core/java/android/util/SparseArray.java b/core/java/android/util/SparseArray.java
index dae760f989f6c..86120d1e650ce 100644
--- a/core/java/android/util/SparseArray.java
+++ b/core/java/android/util/SparseArray.java
@@ -240,6 +240,14 @@ public class SparseArray<E> implements Cloneable {
         // Log.e("SparseArray", "gc end with " + mSize);
     }
 
+    /**
+     * Alias for {@link #put(int, Object)} to support Kotlin [index]= operator.
+     * @see #put(int, Object)
+     */
+    public void set(int key, E value) {
+        put(key, value);
+    }
+
     /**
      * Adds a mapping from the specified key to the specified value,
      * replacing the previous mapping from the specified key if there