diff --git a/services/core/java/com/android/server/wm/LetterboxUiController.java b/services/core/java/com/android/server/wm/LetterboxUiController.java
index 394105a646f18..7d3c87a7556b6 100644
--- a/services/core/java/com/android/server/wm/LetterboxUiController.java
+++ b/services/core/java/com/android/server/wm/LetterboxUiController.java
@@ -37,6 +37,7 @@ import static android.content.pm.ActivityInfo.SCREEN_ORIENTATION_NOSENSOR;
 import static android.content.pm.ActivityInfo.SCREEN_ORIENTATION_PORTRAIT;
 import static android.content.pm.ActivityInfo.SCREEN_ORIENTATION_REVERSE_LANDSCAPE;
 import static android.content.pm.ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED;
+import static android.content.pm.ActivityInfo.SCREEN_ORIENTATION_USER;
 import static android.content.pm.ActivityInfo.isFixedOrientation;
 import static android.content.pm.ActivityInfo.isFixedOrientationLandscape;
 import static android.content.pm.ActivityInfo.screenOrientationToString;
@@ -44,6 +45,7 @@ import static android.content.pm.PackageManager.USER_MIN_ASPECT_RATIO_16_9;
 import static android.content.pm.PackageManager.USER_MIN_ASPECT_RATIO_3_2;
 import static android.content.pm.PackageManager.USER_MIN_ASPECT_RATIO_4_3;
 import static android.content.pm.PackageManager.USER_MIN_ASPECT_RATIO_DISPLAY_SIZE;
+import static android.content.pm.PackageManager.USER_MIN_ASPECT_RATIO_FULLSCREEN;
 import static android.content.pm.PackageManager.USER_MIN_ASPECT_RATIO_SPLIT_SCREEN;
 import static android.content.pm.PackageManager.USER_MIN_ASPECT_RATIO_UNSET;
 import static android.content.res.Configuration.ORIENTATION_LANDSCAPE;
@@ -642,6 +644,10 @@ final class LetterboxUiController {
 
     @ScreenOrientation
     int overrideOrientationIfNeeded(@ScreenOrientation int candidate) {
+        if (shouldApplyUserFullscreenOverride()) {
+            return SCREEN_ORIENTATION_USER;
+        }
+
         // In some cases (e.g. Kids app) we need to map the candidate orientation to some other
         // orientation.
         candidate = mActivityRecord.mWmService.mapOrientationRequest(candidate);
@@ -1103,20 +1109,28 @@ final class LetterboxUiController {
     }
 
     boolean shouldApplyUserMinAspectRatioOverride() {
-        if (!mLetterboxConfiguration.isUserAppAspectRatioSettingsEnabled()) {
+        if (!mLetterboxConfiguration.isUserAppAspectRatioSettingsEnabled()
+                || mActivityRecord.mDisplayContent == null
+                || !mActivityRecord.mDisplayContent.getIgnoreOrientationRequest()) {
             return false;
         }
 
-        try {
-            final int userAspectRatio = mActivityRecord.mAtmService.getPackageManager()
-                    .getUserMinAspectRatio(mActivityRecord.packageName, mActivityRecord.mUserId);
-            mUserAspectRatio = userAspectRatio;
-            return userAspectRatio != USER_MIN_ASPECT_RATIO_UNSET;
-        } catch (RemoteException e) {
-            // Don't apply user aspect ratio override
-            Slog.w(TAG, "Exception thrown retrieving aspect ratio user override " + this, e);
+        mUserAspectRatio = getUserMinAspectRatioOverrideCode();
+
+        return mUserAspectRatio != USER_MIN_ASPECT_RATIO_UNSET
+                && mUserAspectRatio != USER_MIN_ASPECT_RATIO_FULLSCREEN;
+    }
+
+    boolean shouldApplyUserFullscreenOverride() {
+        if (!mLetterboxConfiguration.isUserAppAspectRatioFullscreenEnabled()
+                || mActivityRecord.mDisplayContent == null
+                || !mActivityRecord.mDisplayContent.getIgnoreOrientationRequest()) {
             return false;
         }
+
+        mUserAspectRatio = getUserMinAspectRatioOverrideCode();
+
+        return mUserAspectRatio == USER_MIN_ASPECT_RATIO_FULLSCREEN;
     }
 
     float getUserMinAspectRatio() {
@@ -1137,6 +1151,16 @@ final class LetterboxUiController {
         }
     }
 
+    private int getUserMinAspectRatioOverrideCode() {
+        try {
+            return mActivityRecord.mAtmService.getPackageManager()
+                    .getUserMinAspectRatio(mActivityRecord.packageName, mActivityRecord.mUserId);
+        } catch (RemoteException e) {
+            Slog.w(TAG, "Exception thrown retrieving aspect ratio user override " + this, e);
+        }
+        return mUserAspectRatio;
+    }
+
     private float getDisplaySizeMinAspectRatio() {
         final DisplayArea displayArea = mActivityRecord.getDisplayArea();
         if (displayArea == null) {
diff --git a/services/tests/wmtests/src/com/android/server/wm/LetterboxUiControllerTest.java b/services/tests/wmtests/src/com/android/server/wm/LetterboxUiControllerTest.java
index 81a37943505f2..72ab18dca02f7 100644
--- a/services/tests/wmtests/src/com/android/server/wm/LetterboxUiControllerTest.java
+++ b/services/tests/wmtests/src/com/android/server/wm/LetterboxUiControllerTest.java
@@ -36,6 +36,7 @@ import static android.content.pm.ActivityInfo.SCREEN_ORIENTATION_NOSENSOR;
 import static android.content.pm.ActivityInfo.SCREEN_ORIENTATION_PORTRAIT;
 import static android.content.pm.ActivityInfo.SCREEN_ORIENTATION_REVERSE_LANDSCAPE;
 import static android.content.pm.ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED;
+import static android.content.pm.ActivityInfo.SCREEN_ORIENTATION_USER;
 import static android.content.res.Configuration.ORIENTATION_LANDSCAPE;
 import static android.content.res.Configuration.ORIENTATION_PORTRAIT;
 import static android.view.InsetsSource.FLAG_INSETS_ROUNDED_CORNER;
@@ -778,6 +779,34 @@ public class LetterboxUiControllerTest extends WindowTestsBase {
                 /* candidate */ SCREEN_ORIENTATION_UNSPECIFIED), SCREEN_ORIENTATION_PORTRAIT);
     }
 
+    @Test
+    public void testOverrideOrientationIfNeeded_userFullscreenOverride_returnsUser() {
+        spyOn(mController);
+        doReturn(true).when(mController).shouldApplyUserFullscreenOverride();
+
+        assertEquals(mController.overrideOrientationIfNeeded(
+                /* candidate */ SCREEN_ORIENTATION_UNSPECIFIED), SCREEN_ORIENTATION_USER);
+    }
+
+    @Test
+    @EnableCompatChanges({OVERRIDE_UNDEFINED_ORIENTATION_TO_PORTRAIT, OVERRIDE_ANY_ORIENTATION})
+    public void testOverrideOrientationIfNeeded_userFullScreenOverrideOverSystem_returnsUser() {
+        spyOn(mController);
+        doReturn(true).when(mController).shouldApplyUserFullscreenOverride();
+
+        assertEquals(mController.overrideOrientationIfNeeded(
+                /* candidate */ SCREEN_ORIENTATION_PORTRAIT), SCREEN_ORIENTATION_USER);
+    }
+
+    @Test
+    public void testOverrideOrientationIfNeeded_userFullScreenOverrideDisabled_returnsUnchanged() {
+        spyOn(mController);
+        doReturn(false).when(mController).shouldApplyUserFullscreenOverride();
+
+        assertEquals(mController.overrideOrientationIfNeeded(
+                /* candidate */ SCREEN_ORIENTATION_PORTRAIT), SCREEN_ORIENTATION_PORTRAIT);
+    }
+
     // shouldUseDisplayLandscapeNaturalOrientation
 
     @Test