diff --git a/core/api/current.txt b/core/api/current.txt
index 4b1335e0d6d60..d2c307d3d2479 100644
--- a/core/api/current.txt
+++ b/core/api/current.txt
@@ -40580,7 +40580,7 @@ package android.service.voice {
     method public void onRequestCompleteVoice(android.service.voice.VoiceInteractionSession.CompleteVoiceRequest);
     method public void onRequestConfirmation(android.service.voice.VoiceInteractionSession.ConfirmationRequest);
     method public void onRequestPickOption(android.service.voice.VoiceInteractionSession.PickOptionRequest);
-    method public void onShow(android.os.Bundle, int);
+    method public void onShow(@Nullable android.os.Bundle, int);
     method public void onTaskFinished(android.content.Intent, int);
     method public void onTaskStarted(android.content.Intent, int);
     method public void onTrimMemory(int);
diff --git a/core/java/android/service/voice/VoiceInteractionSession.java b/core/java/android/service/voice/VoiceInteractionSession.java
index d55fedefb5cbb..4757845da9acf 100644
--- a/core/java/android/service/voice/VoiceInteractionSession.java
+++ b/core/java/android/service/voice/VoiceInteractionSession.java
@@ -1767,11 +1767,13 @@ public class VoiceInteractionSession implements KeyEvent.Callback, ComponentCall
      * Intent.EXTRA_TIME ("android.intent.extra.TIME") indicating timing
      * in milliseconds of the KeyEvent that triggered Assistant and
      * Intent.EXTRA_ASSIST_INPUT_DEVICE_ID (android.intent.extra.ASSIST_INPUT_DEVICE_ID)
-     *  referring to the device that sent the request.
+     *  referring to the device that sent the request. Starting from Android 14, the system will
+     * add {@link VoiceInteractionService#KEY_SHOW_SESSION_ID}, the Bundle is not null. But the
+     * application should handle null case before Android 14.
      * @param showFlags The show flags originally provided to
      * {@link VoiceInteractionService#showSession VoiceInteractionService.showSession}.
      */
-    public void onShow(Bundle args, int showFlags) {
+    public void onShow(@Nullable Bundle args, int showFlags) {
     }
 
     /**