diff --git a/api/current.txt b/api/current.txt
index db187148718f8..cca96e478eb6e 100644
--- a/api/current.txt
+++ b/api/current.txt
@@ -4689,6 +4689,7 @@ package android.app {
     method public android.app.Notification.WearableExtender setHintShowBackgroundOnly(boolean);
     method public android.app.Notification.WearableExtender setStartScrollBottom(boolean);
     field public static final int SIZE_DEFAULT = 0; // 0x0
+    field public static final int SIZE_FULL_SCREEN = 5; // 0x5
     field public static final int SIZE_LARGE = 4; // 0x4
     field public static final int SIZE_MEDIUM = 3; // 0x3
     field public static final int SIZE_SMALL = 2; // 0x2
diff --git a/core/java/android/app/Notification.java b/core/java/android/app/Notification.java
index 70f270fdf72df..25f24b1293342 100644
--- a/core/java/android/app/Notification.java
+++ b/core/java/android/app/Notification.java
@@ -3355,6 +3355,14 @@ public class Notification implements Parcelable
          */
         public static final int SIZE_LARGE = 4;
 
+        /**
+         * Size value for use with {@link #setCustomSizePreset} to show this notification
+         * full screen.
+         * <p>This value is only applicable for custom display notifications created using
+         * {@link #setDisplayIntent}.
+         */
+        public static final int SIZE_FULL_SCREEN = 5;
+
         /** Notification extra which contains wearable extensions */
         private static final String EXTRA_WEARABLE_EXTENSIONS = "android.wearable.EXTENSIONS";