diff --git a/core/java/android/accessibilityservice/AccessibilityServiceInfo.java b/core/java/android/accessibilityservice/AccessibilityServiceInfo.java
index 6dcf33114b197..808f25eb7cd9c 100644
--- a/core/java/android/accessibilityservice/AccessibilityServiceInfo.java
+++ b/core/java/android/accessibilityservice/AccessibilityServiceInfo.java
@@ -860,10 +860,10 @@ public class AccessibilityServiceInfo implements Parcelable {
      * <p>
      *   <strong>Generated by the system.</strong>
      * </p>
-     * @return The id.
+     * @return The id (or {@code null} if the component is not set yet).
      */
     public String getId() {
-        return mComponentName.flattenToShortString();
+        return mComponentName == null ? null : mComponentName.flattenToShortString();
     }
 
     /**