diff --git a/core/java/android/app/Activity.java b/core/java/android/app/Activity.java
index 86e2723a4dc80..47843cc113a22 100644
--- a/core/java/android/app/Activity.java
+++ b/core/java/android/app/Activity.java
@@ -642,7 +642,7 @@ import java.util.function.Consumer;
  *     protected void onCreate(Bundle savedInstanceState) {
  *         super.onCreate(savedInstanceState);
  *
- *         SharedPreferences mPrefs = getSharedPreferences();
+ *         mPrefs = getSharedPreferences(getLocalClassName(), MODE_PRIVATE);
  *         mCurViewMode = mPrefs.getInt("view_mode", DAY_VIEW_MODE);
  *     }
  *