diff --git a/packages/SystemUI/src/com/android/keyguard/KeyguardUpdateMonitor.java b/packages/SystemUI/src/com/android/keyguard/KeyguardUpdateMonitor.java
index 0da252d..60fff28 100644
--- a/packages/SystemUI/src/com/android/keyguard/KeyguardUpdateMonitor.java
+++ b/packages/SystemUI/src/com/android/keyguard/KeyguardUpdateMonitor.java
@@ -104,6 +104,7 @@
 import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
 
+import com.android.compose.animation.scene.ObservableTransitionState;
 import com.android.internal.annotations.VisibleForTesting;
 import com.android.internal.foldables.FoldGracePeriodProvider;
 import com.android.internal.jank.InteractionJankMonitor;
@@ -119,6 +120,7 @@
 import com.android.systemui.Dumpable;
 import com.android.systemui.biometrics.AuthController;
 import com.android.systemui.biometrics.FingerprintInteractiveToAuthProvider;
+import com.android.systemui.bouncer.domain.interactor.AlternateBouncerInteractor;
 import com.android.systemui.broadcast.BroadcastDispatcher;
 import com.android.systemui.dagger.SysUISingleton;
 import com.android.systemui.dagger.qualifiers.Background;
@@ -140,6 +142,9 @@
 import com.android.systemui.plugins.clocks.WeatherData;
 import com.android.systemui.plugins.statusbar.StatusBarStateController;
 import com.android.systemui.res.R;
+import com.android.systemui.scene.domain.interactor.SceneInteractor;
+import com.android.systemui.scene.shared.flag.SceneContainerFlag;
+import com.android.systemui.scene.shared.model.Scenes;
 import com.android.systemui.settings.UserTracker;
 import com.android.systemui.shared.system.TaskStackChangeListener;
 import com.android.systemui.shared.system.TaskStackChangeListeners;
@@ -150,6 +155,7 @@
 import com.android.systemui.telephony.TelephonyListenerManager;
 import com.android.systemui.user.domain.interactor.SelectedUserInteractor;
 import com.android.systemui.util.Assert;
+import com.android.systemui.util.kotlin.JavaAdapter;
 
 import dalvik.annotation.optimization.NeverCompile;
 
@@ -279,6 +285,9 @@
     private final UserTracker mUserTracker;
     private final KeyguardUpdateMonitorLogger mLogger;
     private final boolean mIsSystemUser;
+    private final Provider<JavaAdapter> mJavaAdapter;
+    private final Provider<SceneInteractor> mSceneInteractor;
+    private final Provider<AlternateBouncerInteractor> mAlternateBouncerInteractor;
     private final AuthController mAuthController;
     private final UiEventLogger mUiEventLogger;
     private final Set<String> mAllowFingerprintOnOccludingActivitiesFromPackage;
@@ -563,7 +572,7 @@
      */
     private boolean shouldDismissKeyguardOnTrustGrantedWithCurrentUser(TrustGrantFlags flags) {
         final boolean isBouncerShowing =
-                mPrimaryBouncerIsOrWillBeShowing || mAlternateBouncerShowing;
+                isPrimaryBouncerShowingOrWillBeShowing() || isAlternateBouncerShowing();
         return (flags.isInitiatedByUser() || flags.dismissKeyguardRequested())
                 && (mDeviceInteractive || flags.temporaryAndRenewable())
                 && (isBouncerShowing || flags.dismissKeyguardRequested());
@@ -1170,8 +1179,8 @@
         Assert.isMainThread();
         String reason =
                 mKeyguardBypassController.canBypass() ? "bypass"
-                        : mAlternateBouncerShowing ? "alternateBouncer"
-                                : mPrimaryBouncerFullyShown ? "bouncer"
+                        : isAlternateBouncerShowing() ? "alternateBouncer"
+                                : isPrimaryBouncerFullyShown() ? "bouncer"
                                         : "udfpsFpDown";
         requestActiveUnlock(
                 ActiveUnlockConfig.ActiveUnlockRequestOrigin.BIOMETRIC_FAIL,
@@ -2169,7 +2178,10 @@
             Optional<FingerprintInteractiveToAuthProvider> interactiveToAuthProvider,
             TaskStackChangeListeners taskStackChangeListeners,
             SelectedUserInteractor selectedUserInteractor,
-            IActivityTaskManager activityTaskManagerService) {
+            IActivityTaskManager activityTaskManagerService,
+            Provider<AlternateBouncerInteractor> alternateBouncerInteractor,
+            Provider<JavaAdapter> javaAdapter,
+            Provider<SceneInteractor> sceneInteractor) {
         mContext = context;
         mSubscriptionManager = subscriptionManager;
         mUserTracker = userTracker;
@@ -2214,6 +2226,9 @@
 
         mFingerprintInteractiveToAuthProvider = interactiveToAuthProvider.orElse(null);
         mIsSystemUser = mUserManager.isSystemUser();
+        mAlternateBouncerInteractor = alternateBouncerInteractor;
+        mJavaAdapter = javaAdapter;
+        mSceneInteractor = sceneInteractor;
 
         mHandler = new Handler(mainLooper) {
             @Override
@@ -2470,6 +2485,30 @@
         mContext.getContentResolver().registerContentObserver(
                 Settings.System.getUriFor(Settings.System.TIME_12_24),
                 false, mTimeFormatChangeObserver, UserHandle.USER_ALL);
+
+        if (SceneContainerFlag.isEnabled()) {
+            mJavaAdapter.get().alwaysCollectFlow(
+                    mAlternateBouncerInteractor.get().isVisible(),
+                    this::onAlternateBouncerVisibilityChange);
+            mJavaAdapter.get().alwaysCollectFlow(
+                    mSceneInteractor.get().getTransitionState(),
+                    this::onTransitionStateChanged
+            );
+        }
+    }
+
+    @VisibleForTesting
+    void onAlternateBouncerVisibilityChange(boolean isAlternateBouncerVisible) {
+        setAlternateBouncerShowing(isAlternateBouncerVisible);
+    }
+
+
+    @VisibleForTesting
+    void onTransitionStateChanged(ObservableTransitionState transitionState) {
+        int primaryBouncerFullyShown = isPrimaryBouncerFullyShown(transitionState) ? 1 : 0;
+        int primaryBouncerIsOrWillBeShowing =
+                  isPrimaryBouncerShowingOrWillBeShowing(transitionState) ? 1 : 0;
+        handlePrimaryBouncerChanged(primaryBouncerIsOrWillBeShowing, primaryBouncerFullyShown);
     }
 
     private void initializeSimState() {
@@ -2717,8 +2756,8 @@
         requestActiveUnlock(
                 requestOrigin,
                 extraReason, canFaceBypass
-                        || mAlternateBouncerShowing
-                        || mPrimaryBouncerFullyShown
+                        || isAlternateBouncerShowing()
+                        || isPrimaryBouncerFullyShown()
                         || mAuthController.isUdfpsFingerDown());
     }
 
@@ -2739,7 +2778,7 @@
      */
     public void setAlternateBouncerShowing(boolean showing) {
         mAlternateBouncerShowing = showing;
-        if (mAlternateBouncerShowing) {
+        if (isAlternateBouncerShowing()) {
             requestActiveUnlock(
                     ActiveUnlockConfig.ActiveUnlockRequestOrigin.UNLOCK_INTENT,
                     "alternateBouncer");
@@ -2747,6 +2786,45 @@
         updateFingerprintListeningState(BIOMETRIC_ACTION_UPDATE);
     }
 
+    private boolean isAlternateBouncerShowing() {
+        if (SceneContainerFlag.isEnabled()) {
+            return mAlternateBouncerInteractor.get().isVisibleState();
+        } else {
+            return mAlternateBouncerShowing;
+        }
+    }
+
+    private boolean isPrimaryBouncerShowingOrWillBeShowing() {
+        if (SceneContainerFlag.isEnabled()) {
+            return isPrimaryBouncerShowingOrWillBeShowing(
+                    mSceneInteractor.get().getTransitionState().getValue());
+        } else {
+            return mPrimaryBouncerIsOrWillBeShowing;
+        }
+    }
+
+    private boolean isPrimaryBouncerFullyShown() {
+        if (SceneContainerFlag.isEnabled()) {
+            return isPrimaryBouncerFullyShown(
+                    mSceneInteractor.get().getTransitionState().getValue());
+        } else {
+            return mPrimaryBouncerFullyShown;
+        }
+    }
+
+    private boolean isPrimaryBouncerShowingOrWillBeShowing(
+            ObservableTransitionState transitionState
+    ) {
+        SceneContainerFlag.assertInNewMode();
+        return isPrimaryBouncerFullyShown(transitionState)
+                || transitionState.isTransitioning(null, Scenes.Bouncer);
+    }
+
+    private boolean isPrimaryBouncerFullyShown(ObservableTransitionState transitionState) {
+        SceneContainerFlag.assertInNewMode();
+        return transitionState.isIdle(Scenes.Bouncer);
+    }
+
     /**
      * If the current state of the device allows for triggering active unlock. This does not
      * include active unlock availability.
@@ -2762,7 +2840,7 @@
     private boolean shouldTriggerActiveUnlock(boolean shouldLog) {
         // Triggers:
         final boolean triggerActiveUnlockForAssistant = shouldTriggerActiveUnlockForAssistant();
-        final boolean awakeKeyguard = mPrimaryBouncerFullyShown || mAlternateBouncerShowing
+        final boolean awakeKeyguard = isPrimaryBouncerFullyShown() || isAlternateBouncerShowing()
                 || (isKeyguardVisible() && !mGoingToSleep
                 && mStatusBarState != StatusBarState.SHADE_LOCKED);
 
@@ -2830,14 +2908,14 @@
         final boolean shouldListenKeyguardState =
                 isKeyguardVisible()
                         || !mDeviceInteractive
-                        || (mPrimaryBouncerIsOrWillBeShowing && !mKeyguardGoingAway)
+                        || (isPrimaryBouncerShowingOrWillBeShowing() && !mKeyguardGoingAway)
                         || mGoingToSleep
                         || shouldListenForFingerprintAssistant
                         || (mKeyguardOccluded && mIsDreaming)
                         || (mKeyguardOccluded && userDoesNotHaveTrust && mKeyguardShowing
                         && (mOccludingAppRequestingFp
                         || isUdfps
-                        || mAlternateBouncerShowing
+                        || isAlternateBouncerShowing()
                         || mAllowFingerprintOnCurrentOccludingActivity
                 )
             );
@@ -2856,7 +2934,7 @@
                         && !isUserInLockdown(user);
         final boolean strongerAuthRequired = !isUnlockingWithFingerprintAllowed();
         final boolean shouldListenBouncerState =
-                !strongerAuthRequired || !mPrimaryBouncerIsOrWillBeShowing;
+                !strongerAuthRequired || !isPrimaryBouncerShowingOrWillBeShowing();
 
         final boolean shouldListenUdfpsState = !isUdfps
                 || (!userCanSkipBouncer
@@ -2872,10 +2950,10 @@
                     user,
                     shouldListen,
                     mAllowFingerprintOnCurrentOccludingActivity,
-                    mAlternateBouncerShowing,
+                    isAlternateBouncerShowing(),
                     biometricEnabledForUser,
                     mBiometricPromptShowing,
-                    mPrimaryBouncerIsOrWillBeShowing,
+                    isPrimaryBouncerShowingOrWillBeShowing(),
                     userCanSkipBouncer,
                     mCredentialAttempted,
                     mDeviceInteractive,
@@ -3614,6 +3692,7 @@
      */
     public void sendPrimaryBouncerChanged(boolean primaryBouncerIsOrWillBeShowing,
             boolean primaryBouncerFullyShown) {
+        SceneContainerFlag.assertInLegacyMode();
         mLogger.logSendPrimaryBouncerChanged(primaryBouncerIsOrWillBeShowing,
                 primaryBouncerFullyShown);
         Message message = mHandler.obtainMessage(MSG_KEYGUARD_BOUNCER_CHANGED);
@@ -4031,10 +4110,10 @@
             if (isUdfpsSupported()) {
                 pw.println("        udfpsEnrolled=" + isUdfpsEnrolled());
                 pw.println("        shouldListenForUdfps=" + shouldListenForFingerprint(true));
-                pw.println("        mPrimaryBouncerIsOrWillBeShowing="
-                        + mPrimaryBouncerIsOrWillBeShowing);
+                pw.println("        isPrimaryBouncerShowingOrWillBeShowing="
+                        + isPrimaryBouncerShowingOrWillBeShowing());
                 pw.println("        mStatusBarState=" + StatusBarState.toString(mStatusBarState));
-                pw.println("        mAlternateBouncerShowing=" + mAlternateBouncerShowing);
+                pw.println("        isAlternateBouncerShowing=" + isAlternateBouncerShowing());
             } else if (isSfpsSupported()) {
                 pw.println("        sfpsEnrolled=" + isSfpsEnrolled());
                 pw.println("        shouldListenForSfps=" + shouldListenForFingerprint(false));
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/phone/StatusBarKeyguardViewManager.java b/packages/SystemUI/src/com/android/systemui/statusbar/phone/StatusBarKeyguardViewManager.java
index 5486abb..de4d14d 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/phone/StatusBarKeyguardViewManager.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/phone/StatusBarKeyguardViewManager.java
@@ -1007,7 +1007,9 @@
             mKeyguardMessageAreaController.setIsVisible(isShowingAlternateBouncer);
             mKeyguardMessageAreaController.setMessage("");
         }
-        mKeyguardUpdateManager.setAlternateBouncerShowing(isShowingAlternateBouncer);
+        if (!SceneContainerFlag.isEnabled()) {
+            mKeyguardUpdateManager.setAlternateBouncerShowing(isShowingAlternateBouncer);
+        }
 
         if (updateScrim) {
             mCentralSurfaces.updateScrimController();
@@ -1449,10 +1451,13 @@
             mNotificationShadeWindowController.setBouncerShowing(primaryBouncerShowing);
             mCentralSurfaces.setBouncerShowing(primaryBouncerShowing);
         }
-        if (primaryBouncerIsOrWillBeShowing != mLastPrimaryBouncerIsOrWillBeShowing || mFirstUpdate
-                || isPrimaryBouncerShowingChanged) {
-            mKeyguardUpdateManager.sendPrimaryBouncerChanged(primaryBouncerIsOrWillBeShowing,
-                    primaryBouncerShowing);
+        if (!SceneContainerFlag.isEnabled()) {
+            if (primaryBouncerIsOrWillBeShowing != mLastPrimaryBouncerIsOrWillBeShowing
+                    || mFirstUpdate
+                    || isPrimaryBouncerShowingChanged) {
+                mKeyguardUpdateManager.sendPrimaryBouncerChanged(primaryBouncerIsOrWillBeShowing,
+                        primaryBouncerShowing);
+            }
         }
 
         mFirstUpdate = false;
diff --git a/packages/SystemUI/tests/src/com/android/keyguard/KeyguardUpdateMonitorTest.java b/packages/SystemUI/tests/src/com/android/keyguard/KeyguardUpdateMonitorTest.java
index 075d8ae..c62b5e0 100644
--- a/packages/SystemUI/tests/src/com/android/keyguard/KeyguardUpdateMonitorTest.java
+++ b/packages/SystemUI/tests/src/com/android/keyguard/KeyguardUpdateMonitorTest.java
@@ -114,6 +114,7 @@
 import androidx.test.ext.junit.runners.AndroidJUnit4;
 import androidx.test.filters.SmallTest;
 
+import com.android.compose.animation.scene.ObservableTransitionState;
 import com.android.dx.mockito.inline.extended.ExtendedMockito;
 import com.android.internal.foldables.FoldGracePeriodProvider;
 import com.android.internal.jank.InteractionJankMonitor;
@@ -129,6 +130,7 @@
 import com.android.systemui.SysuiTestCase;
 import com.android.systemui.biometrics.AuthController;
 import com.android.systemui.biometrics.FingerprintInteractiveToAuthProvider;
+import com.android.systemui.bouncer.domain.interactor.AlternateBouncerInteractor;
 import com.android.systemui.broadcast.BroadcastDispatcher;
 import com.android.systemui.deviceentry.data.repository.FaceWakeUpTriggersConfig;
 import com.android.systemui.deviceentry.data.repository.FaceWakeUpTriggersConfigImpl;
@@ -141,6 +143,9 @@
 import com.android.systemui.kosmos.KosmosJavaAdapter;
 import com.android.systemui.log.SessionTracker;
 import com.android.systemui.plugins.statusbar.StatusBarStateController;
+import com.android.systemui.scene.domain.interactor.SceneInteractor;
+import com.android.systemui.scene.shared.flag.SceneContainerFlag;
+import com.android.systemui.scene.shared.model.Scenes;
 import com.android.systemui.settings.UserTracker;
 import com.android.systemui.shared.system.TaskStackChangeListener;
 import com.android.systemui.shared.system.TaskStackChangeListeners;
@@ -149,6 +154,7 @@
 import com.android.systemui.statusbar.policy.DevicePostureController;
 import com.android.systemui.telephony.TelephonyListenerManager;
 import com.android.systemui.user.domain.interactor.SelectedUserInteractor;
+import com.android.systemui.util.kotlin.JavaAdapter;
 import com.android.systemui.util.settings.GlobalSettings;
 
 import org.junit.After;
@@ -277,6 +283,12 @@
     private SelectedUserInteractor mSelectedUserInteractor;
     @Mock
     private DeviceEntryFaceAuthInteractor mFaceAuthInteractor;
+    @Mock
+    private AlternateBouncerInteractor mAlternateBouncerInteractor;
+    @Mock
+    private JavaAdapter mJavaAdapter;
+    @Mock
+    private SceneInteractor mSceneInteractor;
     @Captor
     private ArgumentCaptor<FaceAuthenticationListener> mFaceAuthenticationListener;
 
@@ -993,7 +1005,7 @@
         verifyFingerprintAuthenticateNeverCalled();
         // WHEN alternate bouncer is shown
         mKeyguardUpdateMonitor.setKeyguardShowing(true, true);
-        mKeyguardUpdateMonitor.setAlternateBouncerShowing(true);
+        mKeyguardUpdateMonitor.setAlternateBouncerVisibility(true);
 
         // THEN make sure FP listening begins
         verifyFingerprintAuthenticateCall();
@@ -1489,7 +1501,7 @@
     @Test
     public void testShouldNotListenForUdfps_whenInLockDown() {
         // GIVEN a "we should listen for udfps" state
-        setKeyguardBouncerVisibility(false /* isVisible */);
+        mKeyguardUpdateMonitor.setPrimaryBouncerVisibility(false /* isVisible */);
         mStatusBarStateListener.onStateChanged(StatusBarState.KEYGUARD);
         when(mStrongAuthTracker.hasUserAuthenticatedSinceBoot()).thenReturn(true);
 
@@ -2124,7 +2136,7 @@
         verifyFingerprintAuthenticateNeverCalled();
 
         mKeyguardUpdateMonitor.setKeyguardShowing(true, true);
-        mKeyguardUpdateMonitor.setAlternateBouncerShowing(true);
+        mKeyguardUpdateMonitor.setAlternateBouncerVisibility(true);
 
         verifyFingerprintAuthenticateCall();
     }
@@ -2323,12 +2335,7 @@
     }
 
     private void bouncerFullyVisible() {
-        setKeyguardBouncerVisibility(true);
-    }
-
-    private void setKeyguardBouncerVisibility(boolean isVisible) {
-        mKeyguardUpdateMonitor.sendPrimaryBouncerChanged(isVisible, isVisible);
-        mTestableLooper.processAllMessages();
+        mKeyguardUpdateMonitor.setPrimaryBouncerVisibility(true);
     }
 
     private void setBroadcastReceiverPendingResult(BroadcastReceiver receiver) {
@@ -2434,7 +2441,12 @@
                     mPackageManager, mFingerprintManager, mBiometricManager,
                     mFaceWakeUpTriggersConfig, mDevicePostureController,
                     Optional.of(mInteractiveToAuthProvider),
-                    mTaskStackChangeListeners, mSelectedUserInteractor, mActivityTaskManager);
+                    mTaskStackChangeListeners, mSelectedUserInteractor, mActivityTaskManager,
+                    () -> mAlternateBouncerInteractor,
+                    () -> mJavaAdapter,
+                    () -> mSceneInteractor);
+            setAlternateBouncerVisibility(false);
+            setPrimaryBouncerVisibility(false);
             setStrongAuthTracker(KeyguardUpdateMonitorTest.this.mStrongAuthTracker);
             start();
         }
@@ -2458,5 +2470,25 @@
         protected int getBiometricLockoutDelay() {
             return 0;
         }
+
+        private void setPrimaryBouncerVisibility(boolean isVisible) {
+            if (SceneContainerFlag.isEnabled()) {
+                when(mSceneInteractor.getCurrentScene()).thenReturn(
+                        isVisible
+                                ? MutableStateFlow(Scenes.Bouncer)
+                                : MutableStateFlow(Scenes.Lockscreen));
+                onTransitionStateChanged(new ObservableTransitionState.Idle(Scenes.Bouncer));
+            } else {
+                sendPrimaryBouncerChanged(isVisible, isVisible);
+                mTestableLooper.processAllMessages();
+            }
+        }
+
+        private void setAlternateBouncerVisibility(boolean isVisible) {
+            if (SceneContainerFlag.isEnabled()) {
+                when(mAlternateBouncerInteractor.isVisibleState()).thenReturn(isVisible);
+            }
+            onAlternateBouncerVisibilityChange(isVisible);
+        }
     }
 }