diff --git a/api/StubLibraries.bp b/api/StubLibraries.bp
index 1f5b83c..c1add03 100644
--- a/api/StubLibraries.bp
+++ b/api/StubLibraries.bp
@@ -458,13 +458,21 @@
     libs: ["stub-annotations"],
 }
 
+java_defaults {
+    name: "android-non-updatable_everything_from_text_defaults",
+    defaults: [
+        "android-non-updatable_from_text_defaults",
+    ],
+    stubs_type: "everything",
+}
+
 java_api_library {
     name: "android-non-updatable.stubs.from-text",
     api_surface: "public",
     api_contributions: [
         "api-stubs-docs-non-updatable.api.contribution",
     ],
-    defaults: ["android-non-updatable_from_text_defaults"],
+    defaults: ["android-non-updatable_everything_from_text_defaults"],
     full_api_surface_stub: "android_stubs_current.from-text",
 }
 
@@ -475,7 +483,7 @@
         "api-stubs-docs-non-updatable.api.contribution",
         "system-api-stubs-docs-non-updatable.api.contribution",
     ],
-    defaults: ["android-non-updatable_from_text_defaults"],
+    defaults: ["android-non-updatable_everything_from_text_defaults"],
     full_api_surface_stub: "android_system_stubs_current.from-text",
 }
 
@@ -487,7 +495,7 @@
         "system-api-stubs-docs-non-updatable.api.contribution",
         "test-api-stubs-docs-non-updatable.api.contribution",
     ],
-    defaults: ["android-non-updatable_from_text_defaults"],
+    defaults: ["android-non-updatable_everything_from_text_defaults"],
     full_api_surface_stub: "android_test_stubs_current.from-text",
 }
 
@@ -499,7 +507,7 @@
         "system-api-stubs-docs-non-updatable.api.contribution",
         "module-lib-api-stubs-docs-non-updatable.api.contribution",
     ],
-    defaults: ["android-non-updatable_from_text_defaults"],
+    defaults: ["android-non-updatable_everything_from_text_defaults"],
     full_api_surface_stub: "android_module_lib_stubs_current_full.from-text",
 }
 
@@ -515,7 +523,7 @@
         "test-api-stubs-docs-non-updatable.api.contribution",
         "module-lib-api-stubs-docs-non-updatable.api.contribution",
     ],
-    defaults: ["android-non-updatable_from_text_defaults"],
+    defaults: ["android-non-updatable_everything_from_text_defaults"],
     full_api_surface_stub: "android_test_module_lib_stubs_current.from-text",
 
     // This module is only used for hiddenapi, and other modules should not
@@ -836,6 +844,7 @@
     ],
     visibility: ["//visibility:public"],
     enable_validation: false,
+    stubs_type: "everything",
 }
 
 java_api_library {
@@ -852,6 +861,7 @@
     ],
     visibility: ["//visibility:public"],
     enable_validation: false,
+    stubs_type: "everything",
 }
 
 java_api_library {
@@ -870,6 +880,7 @@
     ],
     visibility: ["//visibility:public"],
     enable_validation: false,
+    stubs_type: "everything",
 }
 
 java_api_library {
@@ -888,6 +899,7 @@
         "system-api-stubs-docs-non-updatable.api.contribution",
     ],
     enable_validation: false,
+    stubs_type: "everything",
 }
 
 java_api_library {
@@ -908,6 +920,7 @@
     ],
     visibility: ["//visibility:public"],
     enable_validation: false,
+    stubs_type: "everything",
 }
 
 java_api_library {
@@ -922,6 +935,7 @@
     ],
     visibility: ["//visibility:public"],
     enable_validation: false,
+    stubs_type: "everything",
 }
 
 java_api_library {
@@ -947,6 +961,7 @@
         "//visibility:private",
     ],
     enable_validation: false,
+    stubs_type: "everything",
 }
 
 java_api_library {
@@ -964,6 +979,7 @@
     ],
     visibility: ["//visibility:public"],
     enable_validation: false,
+    stubs_type: "everything",
 }
 
 ////////////////////////////////////////////////////////////////////////
diff --git a/core/java/android/database/sqlite/SQLiteConnection.java b/core/java/android/database/sqlite/SQLiteConnection.java
index ecffe9e..faa2c70 100644
--- a/core/java/android/database/sqlite/SQLiteConnection.java
+++ b/core/java/android/database/sqlite/SQLiteConnection.java
@@ -392,8 +392,6 @@
             return;
         }
 
-        Log.i(TAG, walFile.getAbsolutePath() + " " + size + " bytes: Bigger than "
-                + threshold + "; truncating");
         try {
             executeForString("PRAGMA wal_checkpoint(TRUNCATE)", null, null);
             mConfiguration.shouldTruncateWalFile = false;
diff --git a/core/java/android/database/sqlite/SQLiteOpenHelper.java b/core/java/android/database/sqlite/SQLiteOpenHelper.java
index 5e523c0..78c8954 100644
--- a/core/java/android/database/sqlite/SQLiteOpenHelper.java
+++ b/core/java/android/database/sqlite/SQLiteOpenHelper.java
@@ -377,8 +377,7 @@
                     if (writable) {
                         throw ex;
                     }
-                    Log.e(TAG, "Couldn't open " + mName
-                            + " for writing (will try read-only):", ex);
+                    Log.e(TAG, "Couldn't open database for writing (will try read-only):", ex);
                     params = params.toBuilder().addOpenFlags(SQLiteDatabase.OPEN_READONLY).build();
                     db = SQLiteDatabase.openDatabase(filePath, params);
                 }
@@ -425,11 +424,6 @@
             }
 
             onOpen(db);
-
-            if (db.isReadOnly()) {
-                Log.w(TAG, "Opened " + mName + " in read-only mode");
-            }
-
             mDatabase = db;
             return db;
         } finally {
diff --git a/core/java/android/hardware/camera2/params/OutputConfiguration.java b/core/java/android/hardware/camera2/params/OutputConfiguration.java
index 95526a8..8aacd5e 100644
--- a/core/java/android/hardware/camera2/params/OutputConfiguration.java
+++ b/core/java/android/hardware/camera2/params/OutputConfiguration.java
@@ -1379,7 +1379,6 @@
                     mSurfaceType != other.mSurfaceType ||
                     mIsDeferredConfig != other.mIsDeferredConfig ||
                     mIsShared != other.mIsShared ||
-                    mConfiguredFormat != other.mConfiguredFormat ||
                     mConfiguredDataspace != other.mConfiguredDataspace ||
                     mConfiguredGenerationId != other.mConfiguredGenerationId ||
                     !Objects.equals(mPhysicalCameraId, other.mPhysicalCameraId) ||
diff --git a/core/java/android/hardware/usb/flags/system_sw_usb_flags.aconfig b/core/java/android/hardware/usb/flags/system_sw_usb_flags.aconfig
index 63ae28f..2a11835 100644
--- a/core/java/android/hardware/usb/flags/system_sw_usb_flags.aconfig
+++ b/core/java/android/hardware/usb/flags/system_sw_usb_flags.aconfig
@@ -20,3 +20,10 @@
     description: "Enable reporting USB data compliance warnings from HAL when set"
     bug: "296119135"
 }
+
+flag {
+    name: "enable_usb_data_signal_staking"
+    namespace: "preload_safety"
+    description: "Enables signal API with staking"
+    bug: "296119135"
+}
\ No newline at end of file
diff --git a/core/java/android/os/MessageQueue.java b/core/java/android/os/MessageQueue.java
index 3950c25..2fe115f 100644
--- a/core/java/android/os/MessageQueue.java
+++ b/core/java/android/os/MessageQueue.java
@@ -623,14 +623,14 @@
                 // Message is to be inserted at tail or middle of queue. Usually we don't have to
                 // wake up the event queue unless there is a barrier at the head of the queue and
                 // the message is the earliest asynchronous message in the queue.
-                //
+                needWake = mBlocked && p.target == null && msg.isAsynchronous();
+
                 // For readability, we split this portion of the function into two blocks based on
                 // whether tail tracking is enabled. This has a minor implication for the case
                 // where tail tracking is disabled. See the comment below.
                 if (Flags.messageQueueTailTracking()) {
-                    needWake = mBlocked && p.target == null && msg.isAsynchronous()
-                        && mAsyncMessageCount == 0;
                     if (when >= mLast.when) {
+                        needWake = needWake && mAsyncMessageCount == 0;
                         msg.next = null;
                         mLast.next = msg;
                         mLast = msg;
@@ -643,6 +643,9 @@
                             if (p == null || when < p.when) {
                                 break;
                             }
+                            if (needWake && p.isAsynchronous()) {
+                                needWake = false;
+                            }
                         }
                         if (p == null) {
                             /* Inserting at tail of queue */
@@ -652,7 +655,6 @@
                         prev.next = msg;
                     }
                 } else {
-                    needWake = mBlocked && p.target == null && msg.isAsynchronous();
                     Message prev;
                     for (;;) {
                         prev = p;
diff --git a/core/java/android/permission/PermissionManager.java b/core/java/android/permission/PermissionManager.java
index 8495f37..fa9f03d 100644
--- a/core/java/android/permission/PermissionManager.java
+++ b/core/java/android/permission/PermissionManager.java
@@ -247,8 +247,6 @@
 
     private final LegacyPermissionManager mLegacyPermissionManager;
 
-    private final VirtualDeviceManager mVirtualDeviceManager;
-
     private final ArrayMap<PackageManager.OnPermissionsChangedListener,
             IOnPermissionsChangeListener> mPermissionListeners = new ArrayMap<>();
     private PermissionUsageHelper mUsageHelper;
@@ -269,7 +267,6 @@
         mPermissionManager = IPermissionManager.Stub.asInterface(ServiceManager.getServiceOrThrow(
                 "permissionmgr"));
         mLegacyPermissionManager = context.getSystemService(LegacyPermissionManager.class);
-        mVirtualDeviceManager = context.getSystemService(VirtualDeviceManager.class);
     }
 
     /**
@@ -1918,14 +1915,18 @@
         if (deviceId == Context.DEVICE_ID_DEFAULT) {
             persistentDeviceId = VirtualDeviceManager.PERSISTENT_DEVICE_ID_DEFAULT;
         } else if (android.companion.virtual.flags.Flags.vdmPublicApis()) {
-            VirtualDevice virtualDevice = mVirtualDeviceManager.getVirtualDevice(deviceId);
-            if (virtualDevice == null) {
-                Slog.e(LOG_TAG, "Virtual device is not found with device Id " + deviceId);
-                return null;
-            }
-            persistentDeviceId = virtualDevice.getPersistentDeviceId();
-            if (persistentDeviceId == null) {
-                Slog.e(LOG_TAG, "Cannot find persistent device Id for " + deviceId);
+            VirtualDeviceManager virtualDeviceManager = mContext.getSystemService(
+                    VirtualDeviceManager.class);
+            if (virtualDeviceManager != null) {
+                VirtualDevice virtualDevice = virtualDeviceManager.getVirtualDevice(deviceId);
+                if (virtualDevice == null) {
+                    Slog.e(LOG_TAG, "Virtual device is not found with device Id " + deviceId);
+                    return null;
+                }
+                persistentDeviceId = virtualDevice.getPersistentDeviceId();
+                if (persistentDeviceId == null) {
+                    Slog.e(LOG_TAG, "Cannot find persistent device Id for " + deviceId);
+                }
             }
         } else {
             Slog.e(LOG_TAG, "vdmPublicApis flag is not enabled when device Id " + deviceId
diff --git a/core/java/android/security/ConfirmationPrompt.java b/core/java/android/security/ConfirmationPrompt.java
index d8c44ad..f626149 100644
--- a/core/java/android/security/ConfirmationPrompt.java
+++ b/core/java/android/security/ConfirmationPrompt.java
@@ -92,7 +92,6 @@
     private Executor mExecutor;
     private Context mContext;
 
-    private final KeyStore mKeyStore = KeyStore.getInstance();
     private AndroidProtectedConfirmation mProtectedConfirmation;
 
     private AndroidProtectedConfirmation getService() {
diff --git a/core/java/android/security/keystore/recovery/RecoveryController.java b/core/java/android/security/keystore/recovery/RecoveryController.java
index f1054ec..c171c1b 100644
--- a/core/java/android/security/keystore/recovery/RecoveryController.java
+++ b/core/java/android/security/keystore/recovery/RecoveryController.java
@@ -26,7 +26,6 @@
 import android.os.RemoteException;
 import android.os.ServiceManager;
 import android.os.ServiceSpecificException;
-import android.security.KeyStore;
 import android.security.KeyStore2;
 import android.security.keystore.KeyPermanentlyInvalidatedException;
 import android.security.keystore2.AndroidKeyStoreProvider;
@@ -272,11 +271,9 @@
     public static final int ERROR_KEY_NOT_FOUND = 30;
 
     private final ILockSettings mBinder;
-    private final KeyStore mKeyStore;
 
-    private RecoveryController(ILockSettings binder, KeyStore keystore) {
+    private RecoveryController(ILockSettings binder) {
         mBinder = binder;
-        mKeyStore = keystore;
     }
 
     /**
@@ -296,7 +293,7 @@
         // lockSettings may be null.
         ILockSettings lockSettings =
                 ILockSettings.Stub.asInterface(ServiceManager.getService("lock_settings"));
-        return new RecoveryController(lockSettings, KeyStore.getInstance());
+        return new RecoveryController(lockSettings);
     }
 
     /**
diff --git a/core/java/android/view/HandwritingInitiator.java b/core/java/android/view/HandwritingInitiator.java
index 00657ea..66655fc 100644
--- a/core/java/android/view/HandwritingInitiator.java
+++ b/core/java/android/view/HandwritingInitiator.java
@@ -188,8 +188,7 @@
                 // check whether the stylus we are tracking goes up.
                 if (mState != null) {
                     mState.mShouldInitHandwriting = false;
-                    if (!mState.mHasInitiatedHandwriting
-                            && !mState.mHasPreparedHandwritingDelegation) {
+                    if (!mState.mHandled) {
                         // The user just did a click, long click or another stylus gesture,
                         // show hover icon again for the connected view.
                         mShowHoverIconForConnectedView = true;
@@ -204,16 +203,14 @@
                 // Either we've already tried to initiate handwriting, or the ongoing MotionEvent
                 // sequence is considered to be tap, long-click or other gestures.
                 if (!mState.mShouldInitHandwriting || mState.mExceedHandwritingSlop) {
-                    return mState.mHasInitiatedHandwriting
-                            || mState.mHasPreparedHandwritingDelegation;
+                    return mState.mHandled;
                 }
 
                 final long timeElapsed =
                         motionEvent.getEventTime() - mState.mStylusDownTimeInMillis;
                 if (timeElapsed > mHandwritingTimeoutInMillis) {
                     mState.mShouldInitHandwriting = false;
-                    return mState.mHasInitiatedHandwriting
-                            || mState.mHasPreparedHandwritingDelegation;
+                    return mState.mHandled;
                 }
 
                 final int pointerIndex = motionEvent.findPointerIndex(mState.mStylusPointerId);
@@ -223,7 +220,7 @@
                     mState.mExceedHandwritingSlop = true;
                     View candidateView = findBestCandidateView(mState.mStylusDownX,
                             mState.mStylusDownY, /* isHover */ false);
-                    if (candidateView != null) {
+                    if (candidateView != null && candidateView.isEnabled()) {
                         if (candidateView == getConnectedOrFocusedView()) {
                             if (!mInitiateWithoutConnection && !candidateView.hasFocus()) {
                                 requestFocusWithoutReveal(candidateView);
@@ -246,7 +243,7 @@
                         }
                     }
                 }
-                return mState.mHasInitiatedHandwriting || mState.mHasPreparedHandwritingDelegation;
+                return mState.mHandled;
         }
         return false;
     }
@@ -382,7 +379,7 @@
     @VisibleForTesting
     public void startHandwriting(@NonNull View view) {
         mImm.startStylusHandwriting(view);
-        mState.mHasInitiatedHandwriting = true;
+        mState.mHandled = true;
         mState.mShouldInitHandwriting = false;
         mShowHoverIconForConnectedView = false;
         if (view instanceof TextView) {
@@ -402,13 +399,12 @@
             mImm.startConnectionlessStylusHandwritingForDelegation(
                     view, getCursorAnchorInfoForConnectionless(view), delegatePackageName,
                     view::post, new DelegationCallback(view, delegatePackageName));
-            mState.mHasInitiatedHandwriting = true;
             mState.mShouldInitHandwriting = false;
         } else {
             mImm.prepareStylusHandwritingDelegation(view, delegatePackageName);
             view.getHandwritingDelegatorCallback().run();
-            mState.mHasPreparedHandwritingDelegation = true;
         }
+        mState.mHandled = true;
     }
 
     /**
@@ -455,7 +451,7 @@
 
     private void onDelegationAccepted(View view) {
         if (mState != null) {
-            mState.mHasInitiatedHandwriting = true;
+            mState.mHandled = true;
             mState.mShouldInitHandwriting = false;
         }
         if (view instanceof TextView) {
@@ -795,12 +791,12 @@
          * This boolean will be set to false, and it won't request to start handwriting.
          */
         private boolean mShouldInitHandwriting;
-        /**
-         * Whether handwriting mode has already been initiated for the current MotionEvent sequence.
-         */
-        private boolean mHasInitiatedHandwriting;
 
-        private boolean mHasPreparedHandwritingDelegation;
+        /**
+         * Whether the current MotionEvent sequence has been handled by the handwriting initiator,
+         * either by initiating handwriting mode, or by preparing handwriting delegation.
+         */
+        private boolean mHandled;
 
         /**
          * Whether the current ongoing stylus MotionEvent sequence already exceeds the
@@ -838,8 +834,7 @@
             mStylusDownY = motionEvent.getY(actionIndex);
 
             mShouldInitHandwriting = true;
-            mHasInitiatedHandwriting = false;
-            mHasPreparedHandwritingDelegation = false;
+            mHandled = false;
             mExceedHandwritingSlop = false;
         }
     }
@@ -1052,8 +1047,6 @@
                     // Fall back to the old delegation flow
                     mImm.prepareStylusHandwritingDelegation(mView, mDelegatePackageName);
                     mView.getHandwritingDelegatorCallback().run();
-                    mState.mHasInitiatedHandwriting = false;
-                    mState.mHasPreparedHandwritingDelegation = true;
                     break;
             }
         }
diff --git a/core/java/android/view/PointerIcon.java b/core/java/android/view/PointerIcon.java
index f5f4fd9..9099f98 100644
--- a/core/java/android/view/PointerIcon.java
+++ b/core/java/android/view/PointerIcon.java
@@ -428,13 +428,11 @@
 
     private BitmapDrawable getBitmapDrawableFromVectorDrawable(Resources resources,
             VectorDrawable vectorDrawable) {
-        Bitmap bitmap = Bitmap.createBitmap(vectorDrawable.getIntrinsicWidth(),
-                vectorDrawable.getIntrinsicHeight(), Bitmap.Config.ARGB_8888);
-        // BitmapDrawables and Bitmap have a default density of DisplayMetrics.DENSITY_DEVICE,
-        // (which is deprecated in favor of DENSITY_DEVICE_STABLE/resources.densityDpi). In
-        // rare cases when device density differs from the resource density, the bitmap will
-        // scale as the BitmapDrawable is created. Avoid by explicitly setting density here.
-        bitmap.setDensity(resources.getDisplayMetrics().densityDpi);
+        // Ensure we pass the display metrics into the Bitmap constructor so that it is initialized
+        // with the correct density.
+        Bitmap bitmap = Bitmap.createBitmap(resources.getDisplayMetrics(),
+                vectorDrawable.getIntrinsicWidth(),
+                vectorDrawable.getIntrinsicHeight(), Bitmap.Config.ARGB_8888, true /* hasAlpha */);
         Canvas canvas = new Canvas(bitmap);
         vectorDrawable.setBounds(0, 0, canvas.getWidth(), canvas.getHeight());
         vectorDrawable.draw(canvas);
diff --git a/core/java/android/window/flags/responsible_apis.aconfig b/core/java/android/window/flags/responsible_apis.aconfig
index 51890ec..94c72c6 100644
--- a/core/java/android/window/flags/responsible_apis.aconfig
+++ b/core/java/android/window/flags/responsible_apis.aconfig
@@ -46,5 +46,5 @@
     name: "bal_respect_app_switch_state_when_check_bound_by_foreground_uid"
     namespace: "responsible_apis"
     description: "Prevent BAL based on it is bound by foreground Uid but the app switch is stopped."
-    bug: "171459802"
+    bug: "283801068"
 }
diff --git a/core/res/res/values/config_telephony.xml b/core/res/res/values/config_telephony.xml
index c87b7cd..5e3e1b0 100644
--- a/core/res/res/values/config_telephony.xml
+++ b/core/res/res/values/config_telephony.xml
@@ -84,7 +84,7 @@
          CarrierConfigManager#KEY_AUTO_DATA_SWITCH_RAT_SIGNAL_SCORE_STRING_ARRAY.
          If 0, the device always switch to the higher score SIM.
          If < 0, the network type and signal strength based auto switch is disabled. -->
-    <integer name="auto_data_switch_score_tolerance">4000</integer>
+    <integer name="auto_data_switch_score_tolerance">-1</integer>
     <java-symbol type="integer" name="auto_data_switch_score_tolerance" />
 
     <!-- Boolean indicating whether the Iwlan data service supports persistence of iwlan ipsec
diff --git a/core/tests/coretests/src/android/view/stylus/HandwritingInitiatorTest.java b/core/tests/coretests/src/android/view/stylus/HandwritingInitiatorTest.java
index 51eb41c..b60b806f 100644
--- a/core/tests/coretests/src/android/view/stylus/HandwritingInitiatorTest.java
+++ b/core/tests/coretests/src/android/view/stylus/HandwritingInitiatorTest.java
@@ -472,6 +472,26 @@
     }
 
     @Test
+    public void onTouchEvent_doesNothing_viewDisabled() {
+        mTestView1.setEnabled(false);
+
+        final int x1 = (sHwArea1.left + sHwArea1.right) / 2;
+        final int y1 = (sHwArea1.top + sHwArea1.bottom) / 2;
+        MotionEvent stylusEvent1 = createStylusEvent(ACTION_DOWN, x1, y1, 0);
+        mHandwritingInitiator.onTouchEvent(stylusEvent1);
+
+        final int x2 = x1 + mHandwritingSlop * 2;
+        final int y2 = y1;
+
+        MotionEvent stylusEvent2 = createStylusEvent(ACTION_MOVE, x2, y2, 0);
+        mHandwritingInitiator.onTouchEvent(stylusEvent2);
+
+        // HandwritingInitiator will not request focus if it is disabled.
+        verify(mTestView1, never()).requestFocus();
+        verify(mHandwritingInitiator, never()).startHandwriting(mTestView1);
+    }
+
+    @Test
     public void onTouchEvent_focusView_inputConnectionAlreadyBuilt_stylusMoveOnce_withinHWArea() {
         if (!mInitiateWithoutConnection) {
             mHandwritingInitiator.onInputConnectionCreated(mTestView1);
diff --git a/keystore/java/android/security/keystore/AndroidKeyStoreProvider.java b/keystore/java/android/security/keystore/AndroidKeyStoreProvider.java
index 62fe54f..ef03d3a 100644
--- a/keystore/java/android/security/keystore/AndroidKeyStoreProvider.java
+++ b/keystore/java/android/security/keystore/AndroidKeyStoreProvider.java
@@ -19,9 +19,9 @@
 import android.annotation.NonNull;
 import android.annotation.SystemApi;
 import android.compat.annotation.UnsupportedAppUsage;
-import android.security.KeyStore;
 
 import java.io.IOException;
+import java.security.KeyStore;
 import java.security.KeyStoreException;
 import java.security.NoSuchAlgorithmException;
 import java.security.NoSuchProviderException;
@@ -47,13 +47,13 @@
     }
 
     /**
-     * Gets the {@link KeyStore} operation handle corresponding to the provided JCA crypto
+     * Gets the Android KeyStore operation handle corresponding to the provided JCA crypto
      * primitive.
      *
      * <p>The following primitives are supported: {@link Cipher} and {@link Mac}.
      *
-     * @return KeyStore operation handle or {@code 0} if the provided primitive's KeyStore operation
-     *         is not in progress.
+     * @return Android KeyStore operation handle or {@code 0} if the provided primitive's Android
+     *         KeyStore operation is not in progress.
      *
      * @throws IllegalArgumentException if the provided primitive is not supported or is not backed
      *         by AndroidKeyStore provider.
@@ -67,10 +67,10 @@
     }
 
     /**
-     * Returns an {@code AndroidKeyStore} {@link java.security.KeyStore}} of the specified UID.
-     * The {@code KeyStore} contains keys and certificates owned by that UID. Such cross-UID
-     * access is permitted to a few system UIDs and only to a few other UIDs (e.g., Wi-Fi, VPN)
-     * all of which are system.
+     * Returns an {@code AndroidKeyStore} {@link KeyStore} of the specified UID. The {@code
+     * KeyStore} contains keys and certificates owned by that UID. Such cross-UID access is
+     * permitted to a few system UIDs and only to a few other UIDs (e.g., Wi-Fi, VPN) all of which
+     * are system.
      *
      * <p>Note: the returned {@code KeyStore} is already initialized/loaded. Thus, there is
      * no need to invoke {@code load} on it.
@@ -84,12 +84,12 @@
      */
     @SystemApi
     @NonNull
-    public static java.security.KeyStore getKeyStoreForUid(int uid)
+    public static KeyStore getKeyStoreForUid(int uid)
             throws KeyStoreException, NoSuchProviderException {
-        final java.security.KeyStore.LoadStoreParameter loadParameter =
+        final KeyStore.LoadStoreParameter loadParameter =
                 new android.security.keystore2.AndroidKeyStoreLoadStoreParameter(
                         KeyProperties.legacyUidToNamespace(uid));
-        java.security.KeyStore result = java.security.KeyStore.getInstance(PROVIDER_NAME);
+        KeyStore result = KeyStore.getInstance(PROVIDER_NAME);
         try {
             result.load(loadParameter);
         } catch (NoSuchAlgorithmException | CertificateException | IOException e) {
diff --git a/keystore/java/android/security/keystore/KeyGenParameterSpec.java b/keystore/java/android/security/keystore/KeyGenParameterSpec.java
index 244fe30..7aecfd8 100644
--- a/keystore/java/android/security/keystore/KeyGenParameterSpec.java
+++ b/keystore/java/android/security/keystore/KeyGenParameterSpec.java
@@ -910,7 +910,7 @@
     /**
      * Returns whether this key is critical to the device encryption flow.
      *
-     * @see android.security.KeyStore#FLAG_CRITICAL_TO_DEVICE_ENCRYPTION
+     * @see Builder#setCriticalToDeviceEncryption(boolean)
      * @hide
      */
     public boolean isCriticalToDeviceEncryption() {
diff --git a/keystore/java/android/security/keystore/KeyProtection.java b/keystore/java/android/security/keystore/KeyProtection.java
index 2495d1a..31b4a5e 100644
--- a/keystore/java/android/security/keystore/KeyProtection.java
+++ b/keystore/java/android/security/keystore/KeyProtection.java
@@ -569,7 +569,7 @@
     /**
      * Return whether this key is critical to the device encryption flow.
      *
-     * @see android.security.KeyStore#FLAG_CRITICAL_TO_DEVICE_ENCRYPTION
+     * @see Builder#setCriticalToDeviceEncryption(boolean)
      * @hide
      */
     public boolean isCriticalToDeviceEncryption() {
@@ -1105,9 +1105,10 @@
          * Set whether this key is critical to the device encryption flow
          *
          * This is a special flag only available to system servers to indicate the current key
-         * is part of the device encryption flow.
+         * is part of the device encryption flow. Setting this flag causes the key to not
+         * be cryptographically bound to the LSKF even if the key is otherwise authentication
+         * bound.
          *
-         * @see android.security.KeyStore#FLAG_CRITICAL_TO_DEVICE_ENCRYPTION
          * @hide
          */
         public Builder setCriticalToDeviceEncryption(boolean critical) {
diff --git a/keystore/java/android/security/keystore/KeyStoreCryptoOperation.java b/keystore/java/android/security/keystore/KeyStoreCryptoOperation.java
index 2c709ae..c42c9e4 100644
--- a/keystore/java/android/security/keystore/KeyStoreCryptoOperation.java
+++ b/keystore/java/android/security/keystore/KeyStoreCryptoOperation.java
@@ -16,18 +16,16 @@
 
 package android.security.keystore;
 
-import android.security.KeyStore;
-
 /**
- * Cryptographic operation backed by {@link KeyStore}.
+ * Cryptographic operation backed by Android KeyStore.
  *
  * @hide
  */
 public interface KeyStoreCryptoOperation {
     /**
-     * Gets the KeyStore operation handle of this crypto operation.
+     * Gets the Android KeyStore operation handle of this crypto operation.
      *
-     * @return handle or {@code 0} if the KeyStore operation is not in progress.
+     * @return handle or {@code 0} if the Android KeyStore operation is not in progress.
      */
     long getOperationHandle();
 }
diff --git a/keystore/java/android/security/keystore2/AndroidKeyStoreKeyFactorySpi.java b/keystore/java/android/security/keystore2/AndroidKeyStoreKeyFactorySpi.java
index a8dd7f3..8eca67f 100644
--- a/keystore/java/android/security/keystore2/AndroidKeyStoreKeyFactorySpi.java
+++ b/keystore/java/android/security/keystore2/AndroidKeyStoreKeyFactorySpi.java
@@ -16,7 +16,6 @@
 
 package android.security.keystore2;
 
-import android.security.KeyStore;
 import android.security.keystore.KeyGenParameterSpec;
 import android.security.keystore.KeyInfo;
 
@@ -39,8 +38,6 @@
  */
 public class AndroidKeyStoreKeyFactorySpi extends KeyFactorySpi {
 
-    private final KeyStore mKeyStore = KeyStore.getInstance();
-
     @Override
     protected <T extends KeySpec> T engineGetKeySpec(Key key, Class<T> keySpecClass)
             throws InvalidKeySpecException {
diff --git a/keystore/java/android/security/keystore2/AndroidKeyStoreProvider.java b/keystore/java/android/security/keystore2/AndroidKeyStoreProvider.java
index d204f13..99100de 100644
--- a/keystore/java/android/security/keystore2/AndroidKeyStoreProvider.java
+++ b/keystore/java/android/security/keystore2/AndroidKeyStoreProvider.java
@@ -17,7 +17,6 @@
 package android.security.keystore2;
 
 import android.annotation.NonNull;
-import android.security.KeyStore;
 import android.security.KeyStore2;
 import android.security.KeyStoreSecurityLevel;
 import android.security.keymaster.KeymasterDefs;
@@ -161,13 +160,13 @@
     }
 
     /**
-     * Gets the {@link KeyStore} operation handle corresponding to the provided JCA crypto
+     * Gets the Android KeyStore operation handle corresponding to the provided JCA crypto
      * primitive.
      *
      * <p>The following primitives are supported: {@link Cipher}, {@link Signature} and {@link Mac}.
      *
-     * @return KeyStore operation handle or {@code 0} if the provided primitive's KeyStore operation
-     *         is not in progress.
+     * @return Android KeyStore operation handle or {@code 0} if the provided primitive's Android
+     *         KeyStore operation is not in progress.
      *
      * @throws IllegalArgumentException if the provided primitive is not supported or is not backed
      *         by AndroidKeyStore provider.
diff --git a/keystore/java/android/security/keystore2/AndroidKeyStoreSecretKeyFactorySpi.java b/keystore/java/android/security/keystore2/AndroidKeyStoreSecretKeyFactorySpi.java
index 2682eb6..2223091 100644
--- a/keystore/java/android/security/keystore2/AndroidKeyStoreSecretKeyFactorySpi.java
+++ b/keystore/java/android/security/keystore2/AndroidKeyStoreSecretKeyFactorySpi.java
@@ -18,7 +18,6 @@
 
 import android.annotation.NonNull;
 import android.security.GateKeeper;
-import android.security.KeyStore;
 import android.security.keymaster.KeymasterArguments;
 import android.security.keymaster.KeymasterDefs;
 import android.security.keystore.KeyGenParameterSpec;
@@ -46,8 +45,6 @@
  */
 public class AndroidKeyStoreSecretKeyFactorySpi extends SecretKeyFactorySpi {
 
-    private final KeyStore mKeyStore = KeyStore.getInstance();
-
     @Override
     protected KeySpec engineGetKeySpec(SecretKey key,
             @SuppressWarnings("rawtypes") Class keySpecClass) throws InvalidKeySpecException {
diff --git a/keystore/java/android/security/keystore2/KeyStoreCryptoOperationStreamer.java b/keystore/java/android/security/keystore2/KeyStoreCryptoOperationStreamer.java
index 07d6a69..5bd98bc 100644
--- a/keystore/java/android/security/keystore2/KeyStoreCryptoOperationStreamer.java
+++ b/keystore/java/android/security/keystore2/KeyStoreCryptoOperationStreamer.java
@@ -16,12 +16,11 @@
 
 package android.security.keystore2;
 
-import android.security.KeyStore;
 import android.security.KeyStoreException;
 
 /**
- * Helper for streaming a crypto operation's input and output via {@link KeyStore} service's
- * {@code update} and {@code finish} operations.
+ * Helper for streaming a crypto operation's input and output via KeyStore service's {@code update}
+ * and {@code finish} operations.
  *
  * <p>The helper abstracts away to issues that need to be solved in most code that uses KeyStore's
  * update and finish operations. Firstly, KeyStore's update operation can consume only a limited
diff --git a/libs/WindowManager/Shell/src/com/android/wm/shell/common/split/DividerView.java b/libs/WindowManager/Shell/src/com/android/wm/shell/common/split/DividerView.java
index f801b0d..a87116e 100644
--- a/libs/WindowManager/Shell/src/com/android/wm/shell/common/split/DividerView.java
+++ b/libs/WindowManager/Shell/src/com/android/wm/shell/common/split/DividerView.java
@@ -75,7 +75,6 @@
     private SurfaceControlViewHost mViewHost;
     private DividerHandleView mHandle;
     private DividerRoundedCorner mCorners;
-    private View mBackground;
     private int mTouchElevation;
 
     private VelocityTracker mVelocityTracker;
diff --git a/libs/WindowManager/Shell/src/com/android/wm/shell/common/split/SplitDecorManager.java b/libs/WindowManager/Shell/src/com/android/wm/shell/common/split/SplitDecorManager.java
index 2b10377..194eb47 100644
--- a/libs/WindowManager/Shell/src/com/android/wm/shell/common/split/SplitDecorManager.java
+++ b/libs/WindowManager/Shell/src/com/android/wm/shell/common/split/SplitDecorManager.java
@@ -277,7 +277,7 @@
                 }
 
                 @Override
-                public void onAnimationEnd(@androidx.annotation.NonNull Animator animation) {
+                public void onAnimationEnd(@NonNull Animator animation) {
                     mRunningAnimationCount--;
                     animT.remove(mScreenshot);
                     animT.apply();
diff --git a/libs/WindowManager/Shell/src/com/android/wm/shell/recents/RecentTasksController.java b/libs/WindowManager/Shell/src/com/android/wm/shell/recents/RecentTasksController.java
index e421356..1c54754 100644
--- a/libs/WindowManager/Shell/src/com/android/wm/shell/recents/RecentTasksController.java
+++ b/libs/WindowManager/Shell/src/com/android/wm/shell/recents/RecentTasksController.java
@@ -163,14 +163,14 @@
     /**
      * Adds a split pair. This call does not validate the taskIds, only that they are not the same.
      */
-    public void addSplitPair(int taskId1, int taskId2, SplitBounds splitBounds) {
+    public boolean addSplitPair(int taskId1, int taskId2, SplitBounds splitBounds) {
         if (taskId1 == taskId2) {
-            return;
+            return false;
         }
         if (mSplitTasks.get(taskId1, INVALID_TASK_ID) == taskId2
                 && mTaskSplitBoundsMap.get(taskId1).equals(splitBounds)) {
             // If the two tasks are already paired and the bounds are the same, then skip updating
-            return;
+            return false;
         }
         // Remove any previous pairs
         removeSplitPair(taskId1);
@@ -185,6 +185,7 @@
         notifyRecentTasksChanged();
         ProtoLog.v(ShellProtoLogGroup.WM_SHELL_RECENT_TASKS, "Add split pair: %d, %d, %s",
                 taskId1, taskId2, splitBounds);
+        return true;
     }
 
     /**
diff --git a/libs/WindowManager/Shell/src/com/android/wm/shell/splitscreen/MainStage.java b/libs/WindowManager/Shell/src/com/android/wm/shell/splitscreen/MainStage.java
index e52235f..64e26db 100644
--- a/libs/WindowManager/Shell/src/com/android/wm/shell/splitscreen/MainStage.java
+++ b/libs/WindowManager/Shell/src/com/android/wm/shell/splitscreen/MainStage.java
@@ -16,11 +16,14 @@
 
 package com.android.wm.shell.splitscreen;
 
+import static com.android.wm.shell.protolog.ShellProtoLogGroup.WM_SHELL_SPLIT_SCREEN;
+
 import android.content.Context;
 import android.view.SurfaceSession;
 import android.window.WindowContainerToken;
 import android.window.WindowContainerTransaction;
 
+import com.android.internal.protolog.common.ProtoLog;
 import com.android.launcher3.icons.IconProvider;
 import com.android.wm.shell.ShellTaskOrganizer;
 import com.android.wm.shell.common.SyncTransactionQueue;
@@ -50,6 +53,8 @@
 
     void activate(WindowContainerTransaction wct, boolean includingTopTask) {
         if (mIsActive) return;
+        ProtoLog.d(WM_SHELL_SPLIT_SCREEN, "activate: main stage includingTopTask=%b",
+                includingTopTask);
 
         if (includingTopTask) {
             reparentTopTask(wct);
@@ -64,6 +69,8 @@
 
     void deactivate(WindowContainerTransaction wct, boolean toTop) {
         if (!mIsActive) return;
+        ProtoLog.d(WM_SHELL_SPLIT_SCREEN, "deactivate: main stage toTop=%b rootTaskInfo=%s",
+                toTop, mRootTaskInfo);
         mIsActive = false;
 
         if (mRootTaskInfo == null) return;
diff --git a/libs/WindowManager/Shell/src/com/android/wm/shell/splitscreen/SideStage.java b/libs/WindowManager/Shell/src/com/android/wm/shell/splitscreen/SideStage.java
index 9903113..f5fbae5 100644
--- a/libs/WindowManager/Shell/src/com/android/wm/shell/splitscreen/SideStage.java
+++ b/libs/WindowManager/Shell/src/com/android/wm/shell/splitscreen/SideStage.java
@@ -16,12 +16,15 @@
 
 package com.android.wm.shell.splitscreen;
 
+import static com.android.wm.shell.protolog.ShellProtoLogGroup.WM_SHELL_SPLIT_SCREEN;
+
 import android.app.ActivityManager;
 import android.content.Context;
 import android.view.SurfaceSession;
 import android.window.WindowContainerToken;
 import android.window.WindowContainerTransaction;
 
+import com.android.internal.protolog.common.ProtoLog;
 import com.android.launcher3.icons.IconProvider;
 import com.android.wm.shell.ShellTaskOrganizer;
 import com.android.wm.shell.common.SyncTransactionQueue;
@@ -47,6 +50,8 @@
     }
 
     boolean removeAllTasks(WindowContainerTransaction wct, boolean toTop) {
+        ProtoLog.d(WM_SHELL_SPLIT_SCREEN, "remove all side stage tasks: childCount=%d toTop=%b",
+                mChildrenTaskInfo.size(), toTop);
         if (mChildrenTaskInfo.size() == 0) return false;
         wct.reparentTasks(
                 mRootTaskInfo.token,
@@ -59,6 +64,8 @@
 
     boolean removeTask(int taskId, WindowContainerToken newParent, WindowContainerTransaction wct) {
         final ActivityManager.RunningTaskInfo task = mChildrenTaskInfo.get(taskId);
+        ProtoLog.d(WM_SHELL_SPLIT_SCREEN, "remove side stage task: task=%d exists=%b", taskId,
+                task != null);
         if (task == null) return false;
         wct.reparent(task.token, newParent, false /* onTop */);
         return true;
diff --git a/libs/WindowManager/Shell/src/com/android/wm/shell/splitscreen/SplitScreenTransitions.java b/libs/WindowManager/Shell/src/com/android/wm/shell/splitscreen/SplitScreenTransitions.java
index b60e361..1d9fdeb 100644
--- a/libs/WindowManager/Shell/src/com/android/wm/shell/splitscreen/SplitScreenTransitions.java
+++ b/libs/WindowManager/Shell/src/com/android/wm/shell/splitscreen/SplitScreenTransitions.java
@@ -25,6 +25,8 @@
 import static com.android.wm.shell.animation.Interpolators.ALPHA_OUT;
 import static com.android.wm.shell.common.split.SplitScreenConstants.FADE_DURATION;
 import static com.android.wm.shell.common.split.SplitScreenConstants.FLAG_IS_DIVIDER_BAR;
+import static com.android.wm.shell.protolog.ShellProtoLogGroup.WM_SHELL_SPLIT_SCREEN;
+import static com.android.wm.shell.protolog.ShellProtoLogGroup.WM_SHELL_TRANSITIONS;
 import static com.android.wm.shell.splitscreen.SplitScreen.stageTypeToString;
 import static com.android.wm.shell.splitscreen.SplitScreenController.EXIT_REASON_DRAG_DIVIDER;
 import static com.android.wm.shell.splitscreen.SplitScreenController.exitReasonToString;
@@ -101,6 +103,7 @@
             @NonNull Transitions.TransitionFinishCallback finishCallback,
             @NonNull WindowContainerToken mainRoot, @NonNull WindowContainerToken sideRoot,
             @NonNull WindowContainerToken topRoot) {
+        ProtoLog.d(WM_SHELL_SPLIT_SCREEN, "playAnimation: transition=%d", info.getDebugId());
         initTransition(transition, finishTransaction, finishCallback);
 
         final TransitSession pendingTransition = getPendingTransition(transition);
@@ -123,10 +126,12 @@
         playInternalAnimation(transition, info, startTransaction, mainRoot, sideRoot, topRoot);
     }
 
-    /** Internal funcation of playAnimation. */
+    /** Internal function of playAnimation. */
     private void playInternalAnimation(@NonNull IBinder transition, @NonNull TransitionInfo info,
             @NonNull SurfaceControl.Transaction t, @NonNull WindowContainerToken mainRoot,
             @NonNull WindowContainerToken sideRoot, @NonNull WindowContainerToken topRoot) {
+        ProtoLog.d(WM_SHELL_SPLIT_SCREEN, "playInternalAnimation: transition=%d",
+                info.getDebugId());
         // Play some place-holder fade animations
         final boolean isEnter = isPendingEnter(transition);
         for (int i = info.getChanges().size() - 1; i >= 0; --i) {
@@ -220,6 +225,8 @@
             @NonNull Transitions.TransitionFinishCallback finishCallback,
             @NonNull WindowContainerToken toTopRoot, @NonNull SplitDecorManager toTopDecor,
             @NonNull WindowContainerToken topRoot) {
+        ProtoLog.d(WM_SHELL_SPLIT_SCREEN, "playDragDismissAnimation: transition=%d",
+                info.getDebugId());
         initTransition(transition, finishTransaction, finishCallback);
 
         for (int i = info.getChanges().size() - 1; i >= 0; --i) {
@@ -259,6 +266,7 @@
             @NonNull Transitions.TransitionFinishCallback finishCallback,
             @NonNull WindowContainerToken mainRoot, @NonNull WindowContainerToken sideRoot,
             @NonNull SplitDecorManager mainDecor, @NonNull SplitDecorManager sideDecor) {
+        ProtoLog.d(WM_SHELL_SPLIT_SCREEN, "playResizeAnimation: transition=%d", info.getDebugId());
         initTransition(transition, finishTransaction, finishCallback);
 
         for (int i = info.getChanges().size() - 1; i >= 0; --i) {
@@ -312,13 +320,15 @@
     @Nullable
     private TransitSession getPendingTransition(IBinder transition) {
         if (isPendingEnter(transition)) {
+            ProtoLog.d(WM_SHELL_SPLIT_SCREEN, "\tresolved enter transition");
             return mPendingEnter;
         } else if (isPendingDismiss(transition)) {
+            ProtoLog.d(WM_SHELL_SPLIT_SCREEN, "\tresolved dismiss transition");
             return mPendingDismiss;
         } else if (isPendingResize(transition)) {
+            ProtoLog.d(WM_SHELL_SPLIT_SCREEN, "\tresolved resize transition");
             return mPendingResize;
         }
-
         return null;
     }
 
@@ -339,7 +349,7 @@
             Transitions.TransitionHandler handler,
             int extraTransitType, boolean resizeAnim) {
         if (mPendingEnter != null) {
-            ProtoLog.v(ShellProtoLogGroup.WM_SHELL_TRANSITIONS, "  splitTransition "
+            ProtoLog.v(WM_SHELL_TRANSITIONS, "  splitTransition "
                     + " skip to start enter split transition since it already exist. ");
             return null;
         }
@@ -355,8 +365,10 @@
         mPendingEnter = new EnterSession(
                 transition, remoteTransition, extraTransitType, resizeAnim);
 
-        ProtoLog.v(ShellProtoLogGroup.WM_SHELL_TRANSITIONS, "  splitTransition "
+        ProtoLog.v(WM_SHELL_TRANSITIONS, "  splitTransition "
                 + " deduced Enter split screen");
+        ProtoLog.d(WM_SHELL_SPLIT_SCREEN, "setEnterTransition: transitType=%d resize=%b",
+                extraTransitType, resizeAnim);
     }
 
     /** Starts a transition to dismiss split. */
@@ -364,7 +376,7 @@
             Transitions.TransitionHandler handler, @SplitScreen.StageType int dismissTop,
             @SplitScreenController.ExitReason int reason) {
         if (mPendingDismiss != null) {
-            ProtoLog.v(ShellProtoLogGroup.WM_SHELL_TRANSITIONS, "  splitTransition "
+            ProtoLog.v(WM_SHELL_TRANSITIONS, "  splitTransition "
                     + " skip to start dismiss split transition since it already exist. reason to "
                     + " dismiss = %s", exitReasonToString(reason));
             return null;
@@ -381,9 +393,11 @@
             @SplitScreenController.ExitReason int reason) {
         mPendingDismiss = new DismissSession(transition, reason, dismissTop);
 
-        ProtoLog.v(ShellProtoLogGroup.WM_SHELL_TRANSITIONS, "  splitTransition "
+        ProtoLog.v(WM_SHELL_TRANSITIONS, "  splitTransition "
                         + " deduced Dismiss due to %s. toTop=%s",
                 exitReasonToString(reason), stageTypeToString(dismissTop));
+        ProtoLog.d(WM_SHELL_SPLIT_SCREEN, "setDismissTransition: reason=%s dismissTop=%s",
+                exitReasonToString(reason), stageTypeToString(dismissTop));
     }
 
     IBinder startResizeTransition(WindowContainerTransaction wct,
@@ -405,8 +419,9 @@
             @Nullable TransitionConsumedCallback consumedCallback,
             @Nullable TransitionFinishedCallback finishCallback) {
         mPendingResize = new TransitSession(transition, consumedCallback, finishCallback);
-        ProtoLog.v(ShellProtoLogGroup.WM_SHELL_TRANSITIONS, "  splitTransition "
+        ProtoLog.v(WM_SHELL_TRANSITIONS, "  splitTransition "
                 + " deduced Resize split screen");
+        ProtoLog.d(WM_SHELL_SPLIT_SCREEN, "setResizeTransition");
     }
 
     void mergeAnimation(IBinder transition, TransitionInfo info, SurfaceControl.Transaction t,
@@ -444,12 +459,15 @@
 
             mPendingEnter.onConsumed(aborted);
             mPendingEnter = null;
+            ProtoLog.d(WM_SHELL_SPLIT_SCREEN, "onTransitionConsumed for enter transition");
         } else if (isPendingDismiss(transition)) {
             mPendingDismiss.onConsumed(aborted);
             mPendingDismiss = null;
+            ProtoLog.d(WM_SHELL_SPLIT_SCREEN, "onTransitionConsumed for dismiss transition");
         } else if (isPendingResize(transition)) {
             mPendingResize.onConsumed(aborted);
             mPendingResize = null;
+            ProtoLog.d(WM_SHELL_SPLIT_SCREEN, "onTransitionConsumed for resize transition");
         }
 
         // TODO: handle transition consumed for active remote handler
@@ -462,12 +480,15 @@
         if (isPendingEnter(mAnimatingTransition)) {
             mPendingEnter.onFinished(wct, mFinishTransaction);
             mPendingEnter = null;
+            ProtoLog.d(WM_SHELL_SPLIT_SCREEN, "onFinish for enter transition");
         } else if (isPendingDismiss(mAnimatingTransition)) {
             mPendingDismiss.onFinished(wct, mFinishTransaction);
             mPendingDismiss = null;
+            ProtoLog.d(WM_SHELL_SPLIT_SCREEN, "onFinish for dismiss transition");
         } else if (isPendingResize(mAnimatingTransition)) {
             mPendingResize.onFinished(wct, mFinishTransaction);
             mPendingResize = null;
+            ProtoLog.d(WM_SHELL_SPLIT_SCREEN, "onFinish for resize transition");
         }
 
         mActiveRemoteHandler = null;
diff --git a/libs/WindowManager/Shell/src/com/android/wm/shell/splitscreen/StageCoordinator.java b/libs/WindowManager/Shell/src/com/android/wm/shell/splitscreen/StageCoordinator.java
index 2933cf4..7a1595f 100644
--- a/libs/WindowManager/Shell/src/com/android/wm/shell/splitscreen/StageCoordinator.java
+++ b/libs/WindowManager/Shell/src/com/android/wm/shell/splitscreen/StageCoordinator.java
@@ -44,6 +44,7 @@
 import static com.android.wm.shell.common.split.SplitScreenConstants.splitPositionToString;
 import static com.android.wm.shell.common.split.SplitScreenUtils.reverseSplitPosition;
 import static com.android.wm.shell.common.split.SplitScreenUtils.splitFailureMessage;
+import static com.android.wm.shell.protolog.ShellProtoLogGroup.WM_SHELL_SPLIT_SCREEN;
 import static com.android.wm.shell.shared.TransitionUtil.isClosingType;
 import static com.android.wm.shell.shared.TransitionUtil.isOpeningType;
 import static com.android.wm.shell.splitscreen.SplitScreen.STAGE_TYPE_MAIN;
@@ -138,6 +139,7 @@
 import com.android.wm.shell.shared.TransitionUtil;
 import com.android.wm.shell.splitscreen.SplitScreen.StageType;
 import com.android.wm.shell.splitscreen.SplitScreenController.ExitReason;
+import com.android.wm.shell.splitscreen.SplitScreenController.SplitEnterReason;
 import com.android.wm.shell.transition.DefaultMixedHandler;
 import com.android.wm.shell.transition.LegacyTransitions;
 import com.android.wm.shell.transition.Transitions;
@@ -313,6 +315,7 @@
 
         taskOrganizer.createRootTask(displayId, WINDOWING_MODE_FULLSCREEN, this /* listener */);
 
+        ProtoLog.d(WM_SHELL_SPLIT_SCREEN, "Creating main/side root task");
         mMainStage = new MainStage(
                 mContext,
                 mTaskOrganizer,
@@ -454,6 +457,8 @@
 
     boolean moveToStage(ActivityManager.RunningTaskInfo task, @SplitPosition int stagePosition,
             WindowContainerTransaction wct) {
+        ProtoLog.d(WM_SHELL_SPLIT_SCREEN, "moveToStage: task=%d position=%d", task.taskId,
+                stagePosition);
         prepareEnterSplitScreen(wct, task, stagePosition, false /* resizeAnim */);
         if (ENABLE_SHELL_TRANSITIONS) {
             mSplitTransitions.startEnterTransition(TRANSIT_TO_FRONT, wct,
@@ -474,6 +479,7 @@
     }
 
     boolean removeFromSideStage(int taskId) {
+        ProtoLog.d(WM_SHELL_SPLIT_SCREEN, "removeFromSideStage: task=%d", taskId);
         final WindowContainerTransaction wct = new WindowContainerTransaction();
 
         /**
@@ -498,11 +504,15 @@
             enteredSplitSelect |= listener.onRequestEnterSplitSelect(taskInfo, splitPosition,
                     taskBounds);
         }
-        if (enteredSplitSelect) mTaskOrganizer.applyTransaction(wct);
+        if (enteredSplitSelect) {
+            mTaskOrganizer.applyTransaction(wct);
+        }
     }
 
     void startShortcut(String packageName, String shortcutId, @SplitPosition int position,
             Bundle options, UserHandle user) {
+        ProtoLog.d(WM_SHELL_SPLIT_SCREEN, "startShortcut: pkg=%s id=%s position=%d user=%d",
+                packageName, shortcutId, position, user.getIdentifier());
         final boolean isEnteringSplit = !isSplitActive();
 
         IRemoteAnimationRunner wrapper = new IRemoteAnimationRunner.Stub() {
@@ -564,6 +574,7 @@
 
     /** Use this method to launch an existing Task via a taskId */
     void startTask(int taskId, @SplitPosition int position, @Nullable Bundle options) {
+        ProtoLog.d(WM_SHELL_SPLIT_SCREEN, "startTask: task=%d position=%d", taskId, position);
         mSplitRequest = new SplitRequest(taskId, position);
         final WindowContainerTransaction wct = new WindowContainerTransaction();
         options = resolveStartStage(STAGE_TYPE_UNDEFINED, position, options, null /* wct */);
@@ -595,6 +606,8 @@
     /** Launches an activity into split. */
     void startIntent(PendingIntent intent, Intent fillInIntent, @SplitPosition int position,
             @Nullable Bundle options) {
+        ProtoLog.d(WM_SHELL_SPLIT_SCREEN, "startIntent: intent=%s position=%d", intent.getIntent(),
+                position);
         mSplitRequest = new SplitRequest(intent.getIntent(), position);
         if (!ENABLE_SHELL_TRANSITIONS) {
             startIntentLegacy(intent, fillInIntent, position, options);
@@ -690,6 +703,9 @@
     void startTasks(int taskId1, @Nullable Bundle options1, int taskId2, @Nullable Bundle options2,
             @SplitPosition int splitPosition, @PersistentSnapPosition int snapPosition,
             @Nullable RemoteTransition remoteTransition, InstanceId instanceId) {
+        ProtoLog.d(WM_SHELL_SPLIT_SCREEN,
+                "startTasks: task1=%d task2=%d position=%d snapPosition=%d",
+                taskId1, taskId2, splitPosition, snapPosition);
         final WindowContainerTransaction wct = new WindowContainerTransaction();
         if (taskId2 == INVALID_TASK_ID) {
             if (mMainStage.containsTask(taskId1) || mSideStage.containsTask(taskId1)) {
@@ -718,6 +734,9 @@
             @Nullable Bundle options1, int taskId, @Nullable Bundle options2,
             @SplitPosition int splitPosition, @PersistentSnapPosition int snapPosition,
             @Nullable RemoteTransition remoteTransition, InstanceId instanceId) {
+        ProtoLog.d(WM_SHELL_SPLIT_SCREEN,
+                "startIntentAndTask: intent=%s task1=%d position=%d snapPosition=%d",
+                pendingIntent.getIntent(), taskId, splitPosition, snapPosition);
         final WindowContainerTransaction wct = new WindowContainerTransaction();
         if (taskId == INVALID_TASK_ID) {
             options1 = options1 != null ? options1 : new Bundle();
@@ -740,6 +759,9 @@
             int taskId, @Nullable Bundle options2, @SplitPosition int splitPosition,
             @PersistentSnapPosition int snapPosition, @Nullable RemoteTransition remoteTransition,
             InstanceId instanceId) {
+        ProtoLog.d(WM_SHELL_SPLIT_SCREEN,
+                "startShortcutAndTask: shortcut=%s task1=%d position=%d snapPosition=%d",
+                shortcutInfo, taskId, splitPosition, snapPosition);
         final WindowContainerTransaction wct = new WindowContainerTransaction();
         if (taskId == INVALID_TASK_ID) {
             options1 = options1 != null ? options1 : new Bundle();
@@ -801,6 +823,10 @@
             @Nullable ShortcutInfo shortcutInfo2, @Nullable Bundle options2,
             @SplitPosition int splitPosition, @PersistentSnapPosition int snapPosition,
             @Nullable RemoteTransition remoteTransition, InstanceId instanceId) {
+        ProtoLog.d(WM_SHELL_SPLIT_SCREEN,
+                "startIntents: intent1=%s intent2=%s position=%d snapPosition=%d",
+                pendingIntent1.getIntent(), pendingIntent2.getIntent(), splitPosition,
+                snapPosition);
         final WindowContainerTransaction wct = new WindowContainerTransaction();
         if (pendingIntent2 == null) {
             options1 = options1 != null ? options1 : new Bundle();
@@ -1302,6 +1328,7 @@
     }
 
     void switchSplitPosition(String reason) {
+        ProtoLog.d(WM_SHELL_SPLIT_SCREEN, "switchSplitPosition");
         final SurfaceControl.Transaction t = mTransactionPool.acquire();
         mTempRect1.setEmpty();
         final StageTaskListener topLeftStage =
@@ -1343,7 +1370,7 @@
                     });
                 });
 
-        ProtoLog.v(ShellProtoLogGroup.WM_SHELL_SPLIT_SCREEN, "Switch split position: %s", reason);
+        ProtoLog.v(WM_SHELL_SPLIT_SCREEN, "Switch split position: %s", reason);
         mLogger.logSwap(getMainStagePosition(), mMainStage.getTopChildTaskUid(),
                 getSideStagePosition(), mSideStage.getTopChildTaskUid(),
                 mSplitLayout.isLeftRightSplit());
@@ -1376,11 +1403,12 @@
         if (!mMainStage.isActive()) {
             return;
         }
-
+        ProtoLog.d(WM_SHELL_SPLIT_SCREEN, "onKeyguardVisibilityChanged: showing=%b", showing);
         setDividerVisibility(!mKeyguardShowing, null);
     }
 
     void onFinishedWakingUp() {
+        ProtoLog.d(WM_SHELL_SPLIT_SCREEN, "onFinishedWakingUp");
         if (!mMainStage.isActive()) {
             return;
         }
@@ -1421,6 +1449,8 @@
     }
 
     void exitSplitScreen(int toTopTaskId, @ExitReason int exitReason) {
+        ProtoLog.d(WM_SHELL_SPLIT_SCREEN, "exitSplitScreen: topTaskId=%d reason=%s active=%b",
+                toTopTaskId, exitReasonToString(exitReason), mMainStage.isActive());
         if (!mMainStage.isActive()) return;
 
         StageTaskListener childrenToTop = null;
@@ -1439,6 +1469,8 @@
 
     private void exitSplitScreen(@Nullable StageTaskListener childrenToTop,
             @ExitReason int exitReason) {
+        ProtoLog.d(WM_SHELL_SPLIT_SCREEN, "exitSplitScreen: mainStageToTop=%b reason=%s active=%b",
+                childrenToTop == mMainStage, exitReasonToString(exitReason), mMainStage.isActive());
         if (!mMainStage.isActive()) return;
 
         final WindowContainerTransaction wct = new WindowContainerTransaction();
@@ -1447,6 +1479,8 @@
 
     private void applyExitSplitScreen(@Nullable StageTaskListener childrenToTop,
             WindowContainerTransaction wct, @ExitReason int exitReason) {
+        ProtoLog.d(WM_SHELL_SPLIT_SCREEN, "applyExitSplitScreen: reason=%s",
+                exitReasonToString(exitReason));
         if (!mMainStage.isActive() || mIsExiting) return;
 
         onSplitScreenExit();
@@ -1502,7 +1536,6 @@
             }
         });
 
-        Slog.i(TAG, "applyExitSplitScreen, reason = " + exitReasonToString(exitReason));
         // Log the exit
         if (childrenToTop != null) {
             logExitToStage(exitReason, childrenToTop == mMainStage);
@@ -1527,6 +1560,7 @@
      * Exits the split screen by finishing one of the tasks.
      */
     protected void exitStage(@SplitPosition int stageToClose) {
+        ProtoLog.d(WM_SHELL_SPLIT_SCREEN, "exitStage: stageToClose=%d", stageToClose);
         mSplitLayout.flingDividerToDismiss(stageToClose == SPLIT_POSITION_BOTTOM_OR_RIGHT,
                 EXIT_REASON_APP_FINISHED);
     }
@@ -1540,12 +1574,13 @@
         try {
             activityTaskManagerService.setFocusedTask(getTaskId(stageToFocus));
         } catch (RemoteException | NullPointerException e) {
-            ProtoLog.e(ShellProtoLogGroup.WM_SHELL_SPLIT_SCREEN,
+            ProtoLog.e(WM_SHELL_SPLIT_SCREEN,
                     "Unable to update focus on the chosen stage: %s", e.getMessage());
         }
     }
 
     private void clearRequestIfPresented() {
+        ProtoLog.d(WM_SHELL_SPLIT_SCREEN, "clearRequestIfPresented");
         if (mSideStageListener.mVisible && mSideStageListener.mHasChildren
                 && mMainStageListener.mVisible && mSideStageListener.mHasChildren) {
             mSplitRequest = null;
@@ -1581,6 +1616,8 @@
     void clearSplitPairedInRecents(@ExitReason int exitReason) {
         if (!shouldBreakPairedTaskInRecents(exitReason) || !mShouldUpdateRecents) return;
 
+        ProtoLog.d(WM_SHELL_SPLIT_SCREEN, "clearSplitPairedInRecents: reason=%s",
+                exitReasonToString(exitReason));
         mRecentTasks.ifPresent(recentTasks -> {
             // Notify recents if we are exiting in a way that breaks the pair, and disable further
             // updates to splits in the recents until we enter split again
@@ -1597,11 +1634,13 @@
     void prepareExitSplitScreen(@StageType int stageToTop,
             @NonNull WindowContainerTransaction wct) {
         if (!mMainStage.isActive()) return;
+        ProtoLog.d(WM_SHELL_SPLIT_SCREEN, "prepareExitSplitScreen: stageToTop=%d", stageToTop);
         mSideStage.removeAllTasks(wct, stageToTop == STAGE_TYPE_SIDE);
         mMainStage.deactivate(wct, stageToTop == STAGE_TYPE_MAIN);
     }
 
     private void prepareEnterSplitScreen(WindowContainerTransaction wct) {
+        ProtoLog.d(WM_SHELL_SPLIT_SCREEN, "prepareEnterSplitScreen");
         prepareEnterSplitScreen(wct, null /* taskInfo */, SPLIT_POSITION_UNDEFINED,
                 !mIsDropEntering);
     }
@@ -1613,6 +1652,8 @@
     void prepareEnterSplitScreen(WindowContainerTransaction wct,
             @Nullable ActivityManager.RunningTaskInfo taskInfo, @SplitPosition int startPosition,
             boolean resizeAnim) {
+        ProtoLog.d(WM_SHELL_SPLIT_SCREEN, "prepareEnterSplitScreen: position=%d resize=%b",
+                startPosition, resizeAnim);
         onSplitScreenEnter();
         // Preemptively reset the reparenting behavior if we know that we are entering, as starting
         // split tasks with activity trampolines can inadvertently trigger the task to be
@@ -1629,6 +1670,8 @@
     private void prepareBringSplit(WindowContainerTransaction wct,
             @Nullable ActivityManager.RunningTaskInfo taskInfo, @SplitPosition int startPosition,
             boolean resizeAnim) {
+        ProtoLog.d(WM_SHELL_SPLIT_SCREEN, "prepareBringSplit: task=%d isSplitVisible=%b",
+                taskInfo != null ? taskInfo.taskId : -1, isSplitScreenVisible());
         if (taskInfo != null) {
             wct.startTask(taskInfo.taskId,
                     resolveStartStage(STAGE_TYPE_UNDEFINED, startPosition, null, wct));
@@ -1649,6 +1692,8 @@
     private void prepareActiveSplit(WindowContainerTransaction wct,
             @Nullable ActivityManager.RunningTaskInfo taskInfo, @SplitPosition int startPosition,
             boolean resizeAnim) {
+        ProtoLog.d(WM_SHELL_SPLIT_SCREEN, "prepareActiveSplit: task=%d isSplitVisible=%b",
+                taskInfo != null ? taskInfo.taskId : -1, isSplitScreenVisible());
         if (!ENABLE_SHELL_TRANSITIONS) {
             // Legacy transition we need to create divider here, shell transition case we will
             // create it on #finishEnterSplitScreen
@@ -1667,6 +1712,7 @@
     }
 
     private void prepareSplitLayout(WindowContainerTransaction wct, boolean resizeAnim) {
+        ProtoLog.d(WM_SHELL_SPLIT_SCREEN, "prepareSplitLayout: resize=%b", resizeAnim);
         if (resizeAnim) {
             mSplitLayout.setDividerAtBorder(mSideStagePosition == SPLIT_POSITION_TOP_OR_LEFT);
         } else {
@@ -1686,6 +1732,7 @@
     }
 
     void finishEnterSplitScreen(SurfaceControl.Transaction finishT) {
+        ProtoLog.d(WM_SHELL_SPLIT_SCREEN, "finishEnterSplitScreen");
         mSplitLayout.update(finishT, true /* resetImePosition */);
         mMainStage.getSplitDecorManager().inflate(mContext, mMainStage.mRootLeash,
                 getMainStageBounds());
@@ -1835,12 +1882,20 @@
                     leftTopTaskId, rightBottomTaskId, mSplitLayout.calculateCurrentSnapPosition());
             if (mainStageTopTaskId != INVALID_TASK_ID && sideStageTopTaskId != INVALID_TASK_ID) {
                 // Update the pair for the top tasks
-                recentTasks.addSplitPair(mainStageTopTaskId, sideStageTopTaskId, splitBounds);
+                boolean added = recentTasks.addSplitPair(mainStageTopTaskId, sideStageTopTaskId,
+                        splitBounds);
+                if (added) {
+                    ProtoLog.d(WM_SHELL_SPLIT_SCREEN,
+                            "updateRecentTasksSplitPair: adding split pair ltTask=%d rbTask=%d",
+                            leftTopTaskId, rightBottomTaskId);
+                }
             }
         });
     }
 
     private void sendSplitVisibilityChanged() {
+        ProtoLog.d(WM_SHELL_SPLIT_SCREEN, "sendSplitVisibilityChanged: dividerVisible=%b",
+                mDividerVisible);
         for (int i = mListeners.size() - 1; i >= 0; --i) {
             final SplitScreen.SplitScreenListener l = mListeners.get(i);
             l.onSplitVisibilityChanged(mDividerVisible);
@@ -1855,6 +1910,7 @@
             throw new IllegalArgumentException(this + "\n Unknown task appeared: " + taskInfo);
         }
 
+        ProtoLog.d(WM_SHELL_SPLIT_SCREEN, "onTaskAppeared: task=%s", taskInfo);
         mRootTaskInfo = taskInfo;
         mRootTaskLeash = leash;
 
@@ -1880,6 +1936,8 @@
         if (mSplitLayout != null
                 && mSplitLayout.updateConfiguration(mRootTaskInfo.configuration)
                 && mMainStage.isActive()) {
+            ProtoLog.d(WM_SHELL_SPLIT_SCREEN, "onTaskInfoChanged: task=%d updating",
+                    taskInfo.taskId);
             // Clear the divider remote animating flag as the divider will be re-rendered to apply
             // the new rotation config.  Don't reset the IME state since those updates are not in
             // sync with task info changes.
@@ -1892,6 +1950,7 @@
     @Override
     @CallSuper
     public void onTaskVanished(ActivityManager.RunningTaskInfo taskInfo) {
+        ProtoLog.d(WM_SHELL_SPLIT_SCREEN, "onTaskVanished: task=%s", taskInfo);
         if (mRootTaskInfo == null) {
             throw new IllegalArgumentException(this + "\n Unknown task vanished: " + taskInfo);
         }
@@ -1911,6 +1970,8 @@
 
     @VisibleForTesting
     void onRootTaskAppeared() {
+        ProtoLog.d(WM_SHELL_SPLIT_SCREEN, "onRootTaskAppeared: rootTask=%s mainRoot=%b sideRoot=%b",
+                mRootTaskInfo, mMainStageListener.mHasRootTask, mSideStageListener.mHasRootTask);
         // Wait unit all root tasks appeared.
         if (mRootTaskInfo == null
                 || !mMainStageListener.mHasRootTask
@@ -1937,6 +1998,8 @@
      * #onStageHasChildrenChanged because this would be called every time child task appeared.
      * NOTICE: This only be called on legacy transition. */
     private void onChildTaskAppeared(StageListenerImpl stageListener, int taskId) {
+        ProtoLog.d(WM_SHELL_SPLIT_SCREEN, "onChildTaskAppeared: isMainStage=%b task=%d",
+                stageListener == mMainStageListener, taskId);
         // Handle entering split screen while there is a split pair running in the background.
         if (stageListener == mSideStageListener && !isSplitScreenVisible() && isSplitActive()
                 && mSplitRequest == null) {
@@ -1960,6 +2023,7 @@
     }
 
     private void onRootTaskVanished() {
+        ProtoLog.d(WM_SHELL_SPLIT_SCREEN, "onRootTaskVanished");
         final WindowContainerTransaction wct = new WindowContainerTransaction();
         mLaunchAdjacentController.clearLaunchAdjacentRoot();
         applyExitSplitScreen(null /* childrenToTop */, wct, EXIT_REASON_ROOT_TASK_VANISHED);
@@ -1990,6 +2054,8 @@
             return;
         }
 
+        // TODO Protolog
+
         // Check if it needs to dismiss split screen when both stage invisible.
         if (!mainStageVisible && mExitSplitScreenOnHide) {
             exitSplitScreen(null /* childrenToTop */, EXIT_REASON_RETURN_HOME);
@@ -2020,14 +2086,14 @@
             return;
         }
 
-        ProtoLog.d(ShellProtoLogGroup.WM_SHELL_SPLIT_SCREEN,
-                "Request to %s divider bar from %s.",
-                (visible ? "show" : "hide"), Debug.getCaller());
+        ProtoLog.d(WM_SHELL_SPLIT_SCREEN,
+                "setDividerVisibility: visible=%b keyguardShowing=%b dividerAnimating=%b caller=%s",
+                visible, mKeyguardShowing, mIsDividerRemoteAnimating, Debug.getCaller());
 
         // Defer showing divider bar after keyguard dismissed, so it won't interfere with keyguard
         // dismissing animation.
         if (visible && mKeyguardShowing) {
-            ProtoLog.d(ShellProtoLogGroup.WM_SHELL_SPLIT_SCREEN,
+            ProtoLog.d(WM_SHELL_SPLIT_SCREEN,
                     "   Defer showing divider bar due to keyguard showing.");
             return;
         }
@@ -2036,7 +2102,7 @@
         sendSplitVisibilityChanged();
 
         if (mIsDividerRemoteAnimating) {
-            ProtoLog.d(ShellProtoLogGroup.WM_SHELL_SPLIT_SCREEN,
+            ProtoLog.d(WM_SHELL_SPLIT_SCREEN,
                     "   Skip animating divider bar due to it's remote animating.");
             return;
         }
@@ -2050,12 +2116,12 @@
     private void applyDividerVisibility(@Nullable SurfaceControl.Transaction t) {
         final SurfaceControl dividerLeash = mSplitLayout.getDividerLeash();
         if (dividerLeash == null) {
-            ProtoLog.d(ShellProtoLogGroup.WM_SHELL_SPLIT_SCREEN,
+            ProtoLog.d(WM_SHELL_SPLIT_SCREEN,
                     "   Skip animating divider bar due to divider leash not ready.");
             return;
         }
         if (mIsDividerRemoteAnimating) {
-            ProtoLog.d(ShellProtoLogGroup.WM_SHELL_SPLIT_SCREEN,
+            ProtoLog.d(WM_SHELL_SPLIT_SCREEN,
                     "   Skip animating divider bar due to it's remote animating.");
             return;
         }
@@ -2119,6 +2185,8 @@
     /** Callback when split roots have child or haven't under it.
      * NOTICE: This only be called on legacy transition. */
     private void onStageHasChildrenChanged(StageListenerImpl stageListener) {
+        ProtoLog.d(WM_SHELL_SPLIT_SCREEN, "onStageHasChildrenChanged: isMainStage=%b",
+                stageListener == mMainStageListener);
         final boolean hasChildren = stageListener.mHasChildren;
         final boolean isSideStage = stageListener == mSideStageListener;
         if (!hasChildren && !mIsExiting && mMainStage.isActive()) {
@@ -2170,13 +2238,15 @@
     }
 
     @Override
-    public void onSnappedToDismiss(boolean bottomOrRight, int reason) {
+    public void onSnappedToDismiss(boolean bottomOrRight, @ExitReason int exitReason) {
+        ProtoLog.d(WM_SHELL_SPLIT_SCREEN, "onSnappedToDismiss: bottomOrRight=%b reason=%s",
+                bottomOrRight, exitReasonToString(exitReason));
         final boolean mainStageToTop =
                 bottomOrRight ? mSideStagePosition == SPLIT_POSITION_BOTTOM_OR_RIGHT
                         : mSideStagePosition == SPLIT_POSITION_TOP_OR_LEFT;
         final StageTaskListener toTopStage = mainStageToTop ? mMainStage : mSideStage;
         if (!ENABLE_SHELL_TRANSITIONS) {
-            exitSplitScreen(toTopStage, reason);
+            exitSplitScreen(toTopStage, exitReason);
             return;
         }
 
@@ -2219,6 +2289,7 @@
 
     @Override
     public void onLayoutSizeChanged(SplitLayout layout) {
+        ProtoLog.d(WM_SHELL_SPLIT_SCREEN, "onLayoutSizeChanged");
         // Reset this flag every time onLayoutSizeChanged.
         mShowDecorImmediately = false;
 
@@ -2278,8 +2349,11 @@
                 mSideStagePosition == SPLIT_POSITION_TOP_OR_LEFT ? mSideStage : mMainStage;
         final StageTaskListener bottomRightStage =
                 mSideStagePosition == SPLIT_POSITION_TOP_OR_LEFT ? mMainStage : mSideStage;
-        return layout.applyTaskChanges(wct, topLeftStage.mRootTaskInfo,
+        boolean updated = layout.applyTaskChanges(wct, topLeftStage.mRootTaskInfo,
                 bottomRightStage.mRootTaskInfo);
+        ProtoLog.d(WM_SHELL_SPLIT_SCREEN, "updateWindowBounds: topLeftStage=%s bottomRightStage=%s",
+                layout.getBounds1(), layout.getBounds2());
+        return updated;
     }
 
     void updateSurfaceBounds(@Nullable SplitLayout layout, @NonNull SurfaceControl.Transaction t,
@@ -2291,6 +2365,9 @@
         (layout != null ? layout : mSplitLayout).applySurfaceChanges(t, topLeftStage.mRootLeash,
                 bottomRightStage.mRootLeash, topLeftStage.mDimLayer, bottomRightStage.mDimLayer,
                 applyResizingOffset);
+        ProtoLog.d(WM_SHELL_SPLIT_SCREEN,
+                "updateSurfaceBounds: topLeftStage=%s bottomRightStage=%s",
+                layout.getBounds1(), layout.getBounds2());
     }
 
     @Override
@@ -2329,6 +2406,8 @@
 
     @Override
     public void setLayoutOffsetTarget(int offsetX, int offsetY, SplitLayout layout) {
+        ProtoLog.d(WM_SHELL_SPLIT_SCREEN, "setLayoutOffsetTarget: x=%d y=%d",
+                offsetX, offsetY);
         final StageTaskListener topLeftStage =
                 mSideStagePosition == SPLIT_POSITION_TOP_OR_LEFT ? mSideStage : mMainStage;
         final StageTaskListener bottomRightStage =
@@ -2343,6 +2422,7 @@
         if (displayId != DEFAULT_DISPLAY) {
             return;
         }
+        ProtoLog.d(WM_SHELL_SPLIT_SCREEN, "onDisplayAdded: display=%d", displayId);
         mDisplayController.addDisplayChangingController(this::onDisplayChange);
     }
 
@@ -2357,8 +2437,14 @@
 
     private void onDisplayChange(int displayId, int fromRotation, int toRotation,
             @Nullable DisplayAreaInfo newDisplayAreaInfo, WindowContainerTransaction wct) {
-        if (displayId != DEFAULT_DISPLAY || !mMainStage.isActive()) return;
+        if (displayId != DEFAULT_DISPLAY || !mMainStage.isActive()) {
+            return;
+        }
 
+        ProtoLog.d(WM_SHELL_SPLIT_SCREEN,
+                "onDisplayChange: display=%d fromRot=%d toRot=%d config=%s",
+                displayId, fromRotation, toRotation,
+                newDisplayAreaInfo != null ? newDisplayAreaInfo.configuration : null);
         mSplitLayout.rotateTo(toRotation);
         if (newDisplayAreaInfo != null) {
             mSplitLayout.updateConfiguration(newDisplayAreaInfo.configuration);
@@ -2369,6 +2455,7 @@
 
     @VisibleForTesting
     void onFoldedStateChanged(boolean folded) {
+        ProtoLog.d(WM_SHELL_SPLIT_SCREEN, "onFoldedStateChanged: folded=%b", folded);
         mTopStageAfterFoldDismiss = STAGE_TYPE_UNDEFINED;
         if (!folded) return;
 
@@ -2439,6 +2526,8 @@
         final ActivityManager.RunningTaskInfo triggerTask = request.getTriggerTask();
         if (triggerTask == null) {
             if (isSplitActive()) {
+                ProtoLog.d(WM_SHELL_SPLIT_SCREEN, "handleRequest: transition=%d display rotation",
+                        request.getDebugId());
                 // Check if the display is rotating.
                 final TransitionRequestInfo.DisplayChange displayChange =
                         request.getDisplayChange();
@@ -2467,6 +2556,8 @@
         }
 
         if (isSplitActive()) {
+            ProtoLog.d(WM_SHELL_SPLIT_SCREEN, "handleRequest: transition=%d split active",
+                    request.getDebugId());
             // Try to handle everything while in split-screen, so return a WCT even if it's empty.
             ProtoLog.v(ShellProtoLogGroup.WM_SHELL_TRANSITIONS, "  split is active so using split"
                             + "Transition to handle request. triggerTask=%d type=%s mainChildren=%d"
@@ -2541,6 +2632,8 @@
             return null;
         } else {
             if (isOpening && getStageOfTask(triggerTask) != null) {
+                ProtoLog.d(WM_SHELL_SPLIT_SCREEN, "handleRequest: transition=%d enter split",
+                        request.getDebugId());
                 // One task is appearing into split, prepare to enter split screen.
                 out = new WindowContainerTransaction();
                 prepareEnterSplitScreen(out);
@@ -2557,6 +2650,8 @@
      */
     public void addEnterOrExitIfNeeded(@Nullable TransitionRequestInfo request,
             @NonNull WindowContainerTransaction outWCT) {
+        ProtoLog.d(WM_SHELL_SPLIT_SCREEN, "addEnterOrExitIfNeeded: transition=%d",
+                request.getDebugId());
         final ActivityManager.RunningTaskInfo triggerTask = request.getTriggerTask();
         if (triggerTask != null && triggerTask.displayId != mDisplayId) {
             // Skip handling task on the other display.
@@ -2591,6 +2686,7 @@
     public void mergeAnimation(IBinder transition, TransitionInfo info,
             SurfaceControl.Transaction t, IBinder mergeTarget,
             Transitions.TransitionFinishCallback finishCallback) {
+        ProtoLog.d(WM_SHELL_SPLIT_SCREEN, "mergeAnimation: transition=%d", info.getDebugId());
         mSplitTransitions.mergeAnimation(transition, info, t, mergeTarget, finishCallback);
     }
 
@@ -2602,6 +2698,7 @@
     @Override
     public void onTransitionConsumed(@NonNull IBinder transition, boolean aborted,
             @Nullable SurfaceControl.Transaction finishT) {
+        ProtoLog.d(WM_SHELL_SPLIT_SCREEN, "onTransitionConsumed");
         mSplitTransitions.onTransitionConsumed(transition, aborted, finishT);
     }
 
@@ -2617,6 +2714,7 @@
             // If we're not in split-mode, just abort so something else can handle it.
             if (!mMainStage.isActive()) return false;
 
+            ProtoLog.d(WM_SHELL_SPLIT_SCREEN, "startAnimation: transition=%d", info.getDebugId());
             mSplitLayout.setFreezeDividerWindow(false);
             final StageChangeRecord record = new StageChangeRecord();
             final int transitType = info.getType();
@@ -2727,6 +2825,8 @@
             if (mMixedHandler.animatePendingSplitWithDisplayChange(transition, info,
                     startTransaction, finishTransaction, finishCallback)) {
                 if (mSplitTransitions.isPendingResize(transition)) {
+                    ProtoLog.d(WM_SHELL_SPLIT_SCREEN,
+                            "startAnimation: transition=%d display change", info.getDebugId());
                     // Only need to update in resize because divider exist before transition.
                     mSplitLayout.update(startTransaction, true /* resetImePosition */);
                     startTransaction.apply();
@@ -2797,6 +2897,8 @@
             @NonNull SurfaceControl.Transaction startTransaction,
             @NonNull SurfaceControl.Transaction finishTransaction,
             @NonNull Transitions.TransitionFinishCallback finishCallback) {
+        ProtoLog.d(WM_SHELL_SPLIT_SCREEN, "startPendingAnimation: transition=%d",
+                info.getDebugId());
         boolean shouldAnimate = true;
         if (mSplitTransitions.isPendingEnter(transition)) {
             shouldAnimate = startPendingEnterAnimation(transition,
@@ -2830,6 +2932,7 @@
 
     /** Called to clean-up state and do house-keeping after the animation is done. */
     public void onTransitionAnimationComplete() {
+        ProtoLog.d(WM_SHELL_SPLIT_SCREEN, "onTransitionAnimationComplete");
         // If still playing, let it finish.
         if (!mMainStage.isActive() && !mIsExiting) {
             // Update divider state after animation so that it is still around and positioned
@@ -2842,6 +2945,8 @@
             @NonNull SplitScreenTransitions.EnterSession enterTransition,
             @NonNull TransitionInfo info, @NonNull SurfaceControl.Transaction t,
             @NonNull SurfaceControl.Transaction finishT) {
+        ProtoLog.d(WM_SHELL_SPLIT_SCREEN, "startPendingEnterAnimation: enterTransition=%s",
+                enterTransition);
         // First, verify that we actually have opened apps in both splits.
         TransitionInfo.Change mainChild = null;
         TransitionInfo.Change sideChild = null;
@@ -2959,6 +3064,7 @@
     }
 
     public void goToFullscreenFromSplit() {
+        ProtoLog.d(WM_SHELL_SPLIT_SCREEN, "goToFullscreenFromSplit");
         // If main stage is focused, toEnd = true if
         // mSideStagePosition = SPLIT_POSITION_BOTTOM_OR_RIGHT. Otherwise toEnd = false
         // If side stage is focused, toEnd = true if
@@ -2974,6 +3080,7 @@
 
     /** Move the specified task to fullscreen, regardless of focus state. */
     public void moveTaskToFullscreen(int taskId, int exitReason) {
+        ProtoLog.d(WM_SHELL_SPLIT_SCREEN, "moveTaskToFullscreen");
         boolean leftOrTop;
         if (mMainStage.containsTask(taskId)) {
             leftOrTop = (mSideStagePosition == SPLIT_POSITION_TOP_OR_LEFT);
@@ -2994,6 +3101,7 @@
      */
     public void onPipExpandToSplit(WindowContainerTransaction wct,
             ActivityManager.RunningTaskInfo taskInfo) {
+        ProtoLog.d(WM_SHELL_SPLIT_SCREEN, "onPipExpandToSplit: task=%s", taskInfo);
         prepareEnterSplitScreen(wct, taskInfo, getActivateSplitPosition(taskInfo),
                 false /*resizeAnim*/);
 
@@ -3040,6 +3148,9 @@
     public void prepareDismissAnimation(@StageType int toStage, @ExitReason int dismissReason,
             @NonNull TransitionInfo info, @NonNull SurfaceControl.Transaction t,
             @NonNull SurfaceControl.Transaction finishT) {
+        ProtoLog.d(WM_SHELL_SPLIT_SCREEN, 
+                "prepareDismissAnimation: transition=%d toStage=%d reason=%s",
+                info.getDebugId(), toStage, exitReasonToString(dismissReason));
         // Make some noise if things aren't totally expected. These states shouldn't effect
         // transitions locally, but remotes (like Launcher) may get confused if they were
         // depending on listener callbacks. This can happen because task-organizer callbacks
@@ -3126,6 +3237,9 @@
             @NonNull SplitScreenTransitions.DismissSession dismissTransition,
             @NonNull TransitionInfo info, @NonNull SurfaceControl.Transaction t,
             @NonNull SurfaceControl.Transaction finishT) {
+        ProtoLog.d(WM_SHELL_SPLIT_SCREEN,
+                "startPendingDismissAnimation: transition=%d dismissTransition=%s",
+                info.getDebugId(), dismissTransition);
         prepareDismissAnimation(dismissTransition.mDismissTop, dismissTransition.mReason, info,
                 t, finishT);
         if (dismissTransition.mDismissTop == STAGE_TYPE_UNDEFINED) {
@@ -3146,6 +3260,8 @@
 
     /** Call this when starting the open-recents animation while split-screen is active. */
     public void onRecentsInSplitAnimationStart(TransitionInfo info) {
+        ProtoLog.d(WM_SHELL_SPLIT_SCREEN, "onRecentsInSplitAnimationStart: transition=%d",
+                info.getDebugId());
         if (isSplitScreenVisible()) {
             // Cache tasks on live tile.
             for (int i = 0; i < info.getChanges().size(); ++i) {
@@ -3178,6 +3294,7 @@
     /** Call this when the recents animation during split-screen finishes. */
     public void onRecentsInSplitAnimationFinish(WindowContainerTransaction finishWct,
             SurfaceControl.Transaction finishT) {
+        ProtoLog.d(WM_SHELL_SPLIT_SCREEN, "onRecentsInSplitAnimationFinish");
         mPausingTasks.clear();
         // Check if the recent transition is finished by returning to the current
         // split, so we can restore the divider bar.
@@ -3203,6 +3320,7 @@
 
     /** Call this when the recents animation finishes by doing pair-to-pair switch. */
     public void onRecentsPairToPairAnimationFinish(WindowContainerTransaction finishWct) {
+        ProtoLog.d(WM_SHELL_SPLIT_SCREEN, "onRecentsPairToPairAnimationFinish");
         // Pair-to-pair switch happened so here should evict the live tile from its stage.
         // Otherwise, the task will remain in stage, and occluding the new task when next time
         // user entering recents.
@@ -3284,6 +3402,7 @@
      * handled.
      */
     private void setSplitsVisible(boolean visible) {
+        ProtoLog.d(WM_SHELL_SPLIT_SCREEN, "setSplitsVisible: visible=%b", visible);
         mMainStageListener.mVisible = mSideStageListener.mVisible = visible;
         mMainStageListener.mHasChildren = mSideStageListener.mHasChildren = visible;
     }
@@ -3292,6 +3411,7 @@
      * Sets drag info to be logged when splitscreen is next entered.
      */
     public void onDroppedToSplit(@SplitPosition int position, InstanceId dragSessionId) {
+        ProtoLog.d(WM_SHELL_SPLIT_SCREEN, "onDroppedToSplit: position=%d", position);
         if (!isSplitScreenVisible()) {
             mIsDropEntering = true;
             mSkipEvictingMainStageChildren = true;
@@ -3308,7 +3428,8 @@
     /**
      * Sets info to be logged when splitscreen is next entered.
      */
-    public void onRequestToSplit(InstanceId sessionId, int enterReason) {
+    public void onRequestToSplit(InstanceId sessionId, @SplitEnterReason int enterReason) {
+        ProtoLog.d(WM_SHELL_SPLIT_SCREEN, "onRequestToSplit: reason=%d", enterReason);
         if (!isSplitScreenVisible() && !ENABLE_SHELL_TRANSITIONS) {
             // If split running background, exit split first.
             // Skip this on shell transition due to we could evict existing tasks on transition
@@ -3384,6 +3505,7 @@
 
         @Override
         public void onNoLongerSupportMultiWindow(ActivityManager.RunningTaskInfo taskInfo) {
+            ProtoLog.d(WM_SHELL_SPLIT_SCREEN, "onNoLongerSupportMultiWindow: task=%s", taskInfo);
             if (mMainStage.isActive()) {
                 final boolean isMainStage = mMainStageListener == this;
                 if (!ENABLE_SHELL_TRANSITIONS) {
diff --git a/libs/WindowManager/Shell/src/com/android/wm/shell/splitscreen/StageTaskListener.java b/libs/WindowManager/Shell/src/com/android/wm/shell/splitscreen/StageTaskListener.java
index af7bf36..f33ab33 100644
--- a/libs/WindowManager/Shell/src/com/android/wm/shell/splitscreen/StageTaskListener.java
+++ b/libs/WindowManager/Shell/src/com/android/wm/shell/splitscreen/StageTaskListener.java
@@ -25,6 +25,7 @@
 import static com.android.wm.shell.common.split.SplitScreenConstants.CONTROLLED_ACTIVITY_TYPES;
 import static com.android.wm.shell.common.split.SplitScreenConstants.CONTROLLED_WINDOWING_MODES;
 import static com.android.wm.shell.common.split.SplitScreenConstants.CONTROLLED_WINDOWING_MODES_WHEN_ACTIVE;
+import static com.android.wm.shell.protolog.ShellProtoLogGroup.WM_SHELL_SPLIT_SCREEN;
 import static com.android.wm.shell.transition.Transitions.ENABLE_SHELL_TRANSITIONS;
 
 import android.annotation.CallSuper;
@@ -44,6 +45,7 @@
 
 import androidx.annotation.NonNull;
 
+import com.android.internal.protolog.common.ProtoLog;
 import com.android.internal.util.ArrayUtils;
 import com.android.launcher3.icons.IconProvider;
 import com.android.wm.shell.ShellTaskOrganizer;
@@ -175,6 +177,9 @@
     @Override
     @CallSuper
     public void onTaskAppeared(ActivityManager.RunningTaskInfo taskInfo, SurfaceControl leash) {
+        ProtoLog.d(WM_SHELL_SPLIT_SCREEN, "onTaskAppeared: task=%d taskParent=%d rootTask=%d",
+                taskInfo.taskId, taskInfo.parentTaskId,
+                mRootTaskInfo != null ? mRootTaskInfo.taskId : -1);
         if (mRootTaskInfo == null) {
             mRootLeash = leash;
             mRootTaskInfo = taskInfo;
@@ -225,6 +230,9 @@
                     || !ArrayUtils.contains(CONTROLLED_ACTIVITY_TYPES, taskInfo.getActivityType())
                     || !ArrayUtils.contains(CONTROLLED_WINDOWING_MODES_WHEN_ACTIVE,
                     taskInfo.getWindowingMode())) {
+                ProtoLog.d(WM_SHELL_SPLIT_SCREEN,
+                        "onTaskInfoChanged: task=%d no longer supports multiwindow",
+                        taskInfo.taskId);
                 // Leave split screen if the task no longer supports multi window or have
                 // uncontrolled task.
                 mCallbacks.onNoLongerSupportMultiWindow(taskInfo);
@@ -251,6 +259,7 @@
     @Override
     @CallSuper
     public void onTaskVanished(ActivityManager.RunningTaskInfo taskInfo) {
+        ProtoLog.d(WM_SHELL_SPLIT_SCREEN, "onTaskVanished: task=%d", taskInfo.taskId);
         final int taskId = taskInfo.taskId;
         if (mRootTaskInfo.taskId == taskId) {
             mCallbacks.onRootTaskVanished();
@@ -333,6 +342,7 @@
     }
 
     void addTask(ActivityManager.RunningTaskInfo task, WindowContainerTransaction wct) {
+        ProtoLog.d(WM_SHELL_SPLIT_SCREEN, "addTask: task=%d", task.taskId);
         // Clear overridden bounds and windowing mode to make sure the child task can inherit
         // windowing mode and bounds from split root.
         wct.setWindowingMode(task.token, WINDOWING_MODE_UNDEFINED)
@@ -342,6 +352,7 @@
     }
 
     void reorderChild(int taskId, boolean onTop, WindowContainerTransaction wct) {
+        ProtoLog.d(WM_SHELL_SPLIT_SCREEN, "reorderChild: task=%d onTop=%b", taskId, onTop);
         if (!containsTask(taskId)) {
             return;
         }
@@ -357,6 +368,7 @@
 
     /** Collects all the current child tasks and prepares transaction to evict them to display. */
     void evictAllChildren(WindowContainerTransaction wct) {
+        ProtoLog.d(WM_SHELL_SPLIT_SCREEN, "Evicting all children");
         for (int i = mChildrenTaskInfo.size() - 1; i >= 0; i--) {
             final ActivityManager.RunningTaskInfo taskInfo = mChildrenTaskInfo.valueAt(i);
             wct.reparent(taskInfo.token, null /* parent */, false /* onTop */);
@@ -367,11 +379,13 @@
         for (int i = mChildrenTaskInfo.size() - 1; i >= 0; i--) {
             final ActivityManager.RunningTaskInfo taskInfo = mChildrenTaskInfo.valueAt(i);
             if (taskId == taskInfo.taskId) continue;
+            ProtoLog.d(WM_SHELL_SPLIT_SCREEN, "Evict other child: task=%d", taskId);
             wct.reparent(taskInfo.token, null /* parent */, false /* onTop */);
         }
     }
 
     void evictNonOpeningChildren(RemoteAnimationTarget[] apps, WindowContainerTransaction wct) {
+        ProtoLog.d(WM_SHELL_SPLIT_SCREEN, "evictNonOpeningChildren");
         final SparseArray<ActivityManager.RunningTaskInfo> toBeEvict = mChildrenTaskInfo.clone();
         for (int i = 0; i < apps.length; i++) {
             if (apps[i].mode == MODE_OPENING) {
@@ -380,6 +394,7 @@
         }
         for (int i = toBeEvict.size() - 1; i >= 0; i--) {
             final ActivityManager.RunningTaskInfo taskInfo = toBeEvict.valueAt(i);
+            ProtoLog.d(WM_SHELL_SPLIT_SCREEN, "Evict non-opening child: task=%d", taskInfo.taskId);
             wct.reparent(taskInfo.token, null /* parent */, false /* onTop */);
         }
     }
@@ -388,12 +403,15 @@
         for (int i = mChildrenTaskInfo.size() - 1; i >= 0; i--) {
             final ActivityManager.RunningTaskInfo taskInfo = mChildrenTaskInfo.valueAt(i);
             if (!taskInfo.isVisible) {
+                ProtoLog.d(WM_SHELL_SPLIT_SCREEN, "Evict invisible child: task=%d",
+                        taskInfo.taskId);
                 wct.reparent(taskInfo.token, null /* parent */, false /* onTop */);
             }
         }
     }
 
     void evictChildren(WindowContainerTransaction wct, int taskId) {
+        ProtoLog.d(WM_SHELL_SPLIT_SCREEN, "Evict child: task=%d", taskId);
         final ActivityManager.RunningTaskInfo taskInfo = mChildrenTaskInfo.get(taskId);
         if (taskInfo != null) {
             wct.reparent(taskInfo.token, null /* parent */, false /* onTop */);
diff --git a/packages/CredentialManager/res/values/strings.xml b/packages/CredentialManager/res/values/strings.xml
index 82b47a9..527701c 100644
--- a/packages/CredentialManager/res/values/strings.xml
+++ b/packages/CredentialManager/res/values/strings.xml
@@ -63,9 +63,9 @@
   <!-- This appears as the description body of the modal bottom sheet which provides all available providers for users to choose. [CHAR LIMIT=200] -->
   <string name="choose_provider_body">Select a password manager to save your info and sign in faster next time</string>
   <!-- This appears as the title of the modal bottom sheet for users to choose the create option inside a provider when the credential type is passkey. [CHAR LIMIT=200] -->
-  <string name="choose_create_option_passkey_title">Create passkey for <xliff:g id="appName" example="Tribank">%1$s</xliff:g>?</string>
+  <string name="choose_create_option_passkey_title">Create passkey to sign in to <xliff:g id="appName" example="Tribank">%1$s</xliff:g>?</string>
   <!-- This appears as the title of the modal bottom sheet for users to choose the create option inside a provider when the credential type is password. [CHAR LIMIT=200] -->
-  <string name="choose_create_option_password_title">Save password for <xliff:g id="appName" example="Tribank">%1$s</xliff:g>?</string>
+  <string name="choose_create_option_password_title">Save password to sign in to <xliff:g id="appName" example="Tribank">%1$s</xliff:g>?</string>
   <!-- This appears as the title of the modal bottom sheet for users to choose the create option inside a provider when the credential type is others. [CHAR LIMIT=200] -->
   <string name="choose_create_option_sign_in_title">Save sign-in info for <xliff:g id="appName" example="Tribank">%1$s</xliff:g>?</string>
   <!-- Types which are inserted as a placeholder as credentialTypes for other strings. [CHAR LIMIT=200] -->
diff --git a/packages/PackageInstaller/res/layout/install_content_view.xml b/packages/PackageInstaller/res/layout/install_content_view.xml
index 2ecd2d5..524a88a 100644
--- a/packages/PackageInstaller/res/layout/install_content_view.xml
+++ b/packages/PackageInstaller/res/layout/install_content_view.xml
@@ -24,114 +24,116 @@
     android:paddingLeft="?android:attr/dialogPreferredPadding"
     android:paddingRight="?android:attr/dialogPreferredPadding">
 
-    <LinearLayout
-        android:id="@+id/staging"
+  <LinearLayout
+      android:id="@+id/staging"
+      android:layout_width="match_parent"
+      android:layout_height="wrap_content"
+      android:orientation="vertical"
+      android:visibility="invisible">
+
+    <TextView
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        style="@android:style/TextAppearance.Material.Subhead"
+        android:text="@string/message_staging" />
+
+    <ProgressBar
+        android:id="@+id/progress_indeterminate"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
-        android:orientation="vertical"
-        android:visibility="invisible">
+        android:paddingTop="8dp"
+        style="?android:attr/progressBarStyleHorizontal"
+        android:indeterminate="true" />
 
-        <TextView
-            android:layout_width="wrap_content"
-            android:layout_height="wrap_content"
-            style="@android:style/TextAppearance.Material.Subhead"
-            android:text="@string/message_staging" />
+  </LinearLayout>
 
-        <ProgressBar
-            android:id="@+id/progress_indeterminate"
-            android:layout_width="match_parent"
-            android:layout_height="wrap_content"
-            android:paddingTop="8dp"
-            style="?android:attr/progressBarStyleHorizontal"
-            android:indeterminate="true" />
+  <LinearLayout
+      android:id="@+id/installing"
+      android:layout_width="match_parent"
+      android:layout_height="wrap_content"
+      android:orientation="vertical"
+      android:visibility="invisible">
 
-    </LinearLayout>
+    <TextView
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        style="@android:style/TextAppearance.Material.Subhead"
+        android:text="@string/installing" />
 
-    <LinearLayout
-        android:id="@+id/installing"
+    <ProgressBar
+        android:id="@+id/progress"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
-        android:orientation="vertical"
-        android:visibility="invisible">
+        android:paddingTop="8dp"
+        style="?android:attr/progressBarStyleHorizontal"
+        android:indeterminate="true" />
 
-        <TextView
-            android:layout_width="wrap_content"
-            android:layout_height="wrap_content"
-            style="@android:style/TextAppearance.Material.Subhead"
-            android:text="@string/installing" />
+  </LinearLayout>
 
-        <ProgressBar
-            android:id="@+id/progress"
-            android:layout_width="match_parent"
-            android:layout_height="wrap_content"
-            android:paddingTop="8dp"
-            style="?android:attr/progressBarStyleHorizontal"
-            android:indeterminate="true" />
+  <TextView
+      android:id="@+id/install_confirm_question"
+      android:layout_width="wrap_content"
+      android:layout_height="wrap_content"
+      style="@android:style/TextAppearance.Material.Subhead"
+      android:text="@string/install_confirm_question"
+      android:visibility="invisible"
+      android:scrollbars="vertical" />
 
-    </LinearLayout>
+  <TextView
+      android:id="@+id/install_confirm_question_update"
+      android:layout_width="wrap_content"
+      android:layout_height="wrap_content"
+      style="@android:style/TextAppearance.Material.Subhead"
+      android:text="@string/install_confirm_question_update"
+      android:visibility="invisible"
+      android:scrollbars="vertical" />
 
-    <TextView
-        android:id="@+id/install_confirm_question"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        style="@android:style/TextAppearance.Material.Subhead"
-        android:text="@string/install_confirm_question"
-        android:visibility="invisible" />
+  <TextView
+      android:id="@+id/install_success"
+      android:layout_width="wrap_content"
+      android:layout_height="wrap_content"
+      style="@android:style/TextAppearance.Material.Subhead"
+      android:text="@string/install_done"
+      android:visibility="invisible" />
 
-    <TextView
-        android:id="@+id/install_confirm_question_update"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        style="@android:style/TextAppearance.Material.Subhead"
-        android:text="@string/install_confirm_question_update"
-        android:visibility="invisible" />
+  <TextView
+      android:id="@+id/install_failed"
+      android:layout_width="wrap_content"
+      android:layout_height="wrap_content"
+      style="@android:style/TextAppearance.Material.Subhead"
+      android:text="@string/install_failed"
+      android:visibility="invisible" />
 
-    <TextView
-        android:id="@+id/install_success"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        style="@android:style/TextAppearance.Material.Subhead"
-        android:text="@string/install_done"
-        android:visibility="invisible" />
+  <TextView
+      android:id="@+id/install_failed_blocked"
+      android:layout_width="wrap_content"
+      android:layout_height="wrap_content"
+      style="@android:style/TextAppearance.Material.Subhead"
+      android:text="@string/install_failed_blocked"
+      android:visibility="invisible" />
 
-    <TextView
-        android:id="@+id/install_failed"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        style="@android:style/TextAppearance.Material.Subhead"
-        android:text="@string/install_failed"
-        android:visibility="invisible" />
+  <TextView
+      android:id="@+id/install_failed_conflict"
+      android:layout_width="wrap_content"
+      android:layout_height="wrap_content"
+      style="@android:style/TextAppearance.Material.Subhead"
+      android:text="@string/install_failed_conflict"
+      android:visibility="invisible" />
 
-    <TextView
-        android:id="@+id/install_failed_blocked"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        style="@android:style/TextAppearance.Material.Subhead"
-        android:text="@string/install_failed_blocked"
-        android:visibility="invisible" />
+  <TextView
+      android:id="@+id/install_failed_incompatible"
+      android:layout_width="wrap_content"
+      android:layout_height="wrap_content"
+      style="@android:style/TextAppearance.Material.Subhead"
+      android:text="@string/install_failed_incompatible"
+      android:visibility="invisible" />
 
-    <TextView
-        android:id="@+id/install_failed_conflict"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        style="@android:style/TextAppearance.Material.Subhead"
-        android:text="@string/install_failed_conflict"
-        android:visibility="invisible" />
+  <TextView
+      android:id="@+id/install_failed_invalid_apk"
+      android:layout_width="wrap_content"
+      android:layout_height="wrap_content"
+      style="@android:style/TextAppearance.Material.Subhead"
+      android:text="@string/install_failed_invalid_apk"
+      android:visibility="invisible" />
 
-    <TextView
-        android:id="@+id/install_failed_incompatible"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        style="@android:style/TextAppearance.Material.Subhead"
-        android:text="@string/install_failed_incompatible"
-        android:visibility="invisible" />
-
-    <TextView
-        android:id="@+id/install_failed_invalid_apk"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        style="@android:style/TextAppearance.Material.Subhead"
-        android:text="@string/install_failed_invalid_apk"
-        android:visibility="invisible" />
-
-</FrameLayout>
+</FrameLayout>
\ No newline at end of file
diff --git a/packages/PackageInstaller/res/layout/uninstall_content_view.xml b/packages/PackageInstaller/res/layout/uninstall_content_view.xml
index 5666c0e..434e333 100644
--- a/packages/PackageInstaller/res/layout/uninstall_content_view.xml
+++ b/packages/PackageInstaller/res/layout/uninstall_content_view.xml
@@ -18,31 +18,36 @@
 <!-- Check box that is displayed in the activity resolver UI for the user
      to make their selection the preferred activity. -->
 
-<LinearLayout
-    xmlns:android="http://schemas.android.com/apk/res/android"
+<ScrollView xmlns:android="http://schemas.android.com/apk/res/android"
     android:layout_width="match_parent"
-    android:layout_height="wrap_content"
-    android:theme="?android:attr/alertDialogTheme"
-    android:orientation="vertical"
-    android:paddingTop="8dp"
-    android:paddingStart="?android:attr/dialogPreferredPadding"
-    android:paddingEnd="?android:attr/dialogPreferredPadding"
-    android:clipToPadding="false">
+    android:layout_height="wrap_content">
 
-    <TextView
-        android:id="@+id/message"
-        android:layout_width="match_parent"
-        android:layout_height="wrap_content"
-        style="@android:style/TextAppearance.Material.Subhead" />
+  <LinearLayout
+      xmlns:android="http://schemas.android.com/apk/res/android"
+      android:layout_width="match_parent"
+      android:layout_height="wrap_content"
+      android:theme="?android:attr/alertDialogTheme"
+      android:orientation="vertical"
+      android:paddingTop="8dp"
+      android:paddingStart="?android:attr/dialogPreferredPadding"
+      android:paddingEnd="?android:attr/dialogPreferredPadding"
+      android:clipToPadding="false">
 
-    <CheckBox
-        android:id="@+id/keepData"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:layout_marginTop="8dp"
-        android:layout_marginStart="-8dp"
-        android:paddingLeft="8sp"
-        android:visibility="gone"
-        style="@android:style/TextAppearance.Material.Subhead" />
+      <TextView
+          android:id="@+id/message"
+          android:layout_width="match_parent"
+          android:layout_height="wrap_content"
+          style="@android:style/TextAppearance.Material.Subhead" />
 
-</LinearLayout>
\ No newline at end of file
+      <CheckBox
+          android:id="@+id/keepData"
+          android:layout_width="wrap_content"
+          android:layout_height="wrap_content"
+          android:layout_marginTop="8dp"
+          android:layout_marginStart="-8dp"
+          android:paddingLeft="8sp"
+          android:visibility="gone"
+          style="@android:style/TextAppearance.Material.Subhead" />
+
+  </LinearLayout>
+</ScrollView>
diff --git a/packages/PackageInstaller/src/com/android/packageinstaller/PackageInstallerActivity.java b/packages/PackageInstaller/src/com/android/packageinstaller/PackageInstallerActivity.java
index cf6aab6..e95a8e6 100644
--- a/packages/PackageInstaller/src/com/android/packageinstaller/PackageInstallerActivity.java
+++ b/packages/PackageInstaller/src/com/android/packageinstaller/PackageInstallerActivity.java
@@ -51,6 +51,7 @@
 import android.text.Html;
 import android.text.Spanned;
 import android.text.TextUtils;
+import android.text.method.ScrollingMovementMethod;
 import android.util.Log;
 import android.view.View;
 import android.widget.Button;
@@ -174,6 +175,7 @@
         }
 
         viewToEnable.setVisibility(View.VISIBLE);
+        viewToEnable.setMovementMethod(new ScrollingMovementMethod());
 
         mEnableOk = true;
         mOk.setEnabled(true);
diff --git a/packages/PackageInstaller/src/com/android/packageinstaller/v2/ui/fragments/InstallConfirmationFragment.java b/packages/PackageInstaller/src/com/android/packageinstaller/v2/ui/fragments/InstallConfirmationFragment.java
index dbe32cc..0a4aa48 100644
--- a/packages/PackageInstaller/src/com/android/packageinstaller/v2/ui/fragments/InstallConfirmationFragment.java
+++ b/packages/PackageInstaller/src/com/android/packageinstaller/v2/ui/fragments/InstallConfirmationFragment.java
@@ -22,6 +22,7 @@
 import android.content.DialogInterface;
 import android.os.Bundle;
 import android.text.Html;
+import android.text.method.ScrollingMovementMethod;
 import android.view.View;
 import android.widget.TextView;
 import androidx.annotation.NonNull;
@@ -94,6 +95,7 @@
             viewToEnable = dialogView.requireViewById(R.id.install_confirm_question);
         }
         viewToEnable.setVisibility(View.VISIBLE);
+        viewToEnable.setMovementMethod(new ScrollingMovementMethod());
 
         return mDialog;
     }
diff --git a/packages/SystemUI/compose/features/src/com/android/systemui/keyguard/ui/composable/blueprint/DefaultBlueprint.kt b/packages/SystemUI/compose/features/src/com/android/systemui/keyguard/ui/composable/blueprint/DefaultBlueprint.kt
index 452dc03..d23cd0c 100644
--- a/packages/SystemUI/compose/features/src/com/android/systemui/keyguard/ui/composable/blueprint/DefaultBlueprint.kt
+++ b/packages/SystemUI/compose/features/src/com/android/systemui/keyguard/ui/composable/blueprint/DefaultBlueprint.kt
@@ -35,11 +35,13 @@
 import com.android.systemui.keyguard.ui.composable.section.BottomAreaSection
 import com.android.systemui.keyguard.ui.composable.section.DefaultClockSection
 import com.android.systemui.keyguard.ui.composable.section.LockSection
+import com.android.systemui.keyguard.ui.composable.section.MediaCarouselSection
 import com.android.systemui.keyguard.ui.composable.section.NotificationSection
 import com.android.systemui.keyguard.ui.composable.section.SettingsMenuSection
 import com.android.systemui.keyguard.ui.composable.section.SmartSpaceSection
 import com.android.systemui.keyguard.ui.composable.section.StatusBarSection
 import com.android.systemui.keyguard.ui.viewmodel.LockscreenContentViewModel
+import com.android.systemui.media.controls.ui.composable.MediaCarousel
 import com.android.systemui.res.R
 import dagger.Binds
 import dagger.Module
@@ -63,6 +65,7 @@
     private val ambientIndicationSectionOptional: Optional<AmbientIndicationSection>,
     private val bottomAreaSection: BottomAreaSection,
     private val settingsMenuSection: SettingsMenuSection,
+    private val mediaCarouselSection: MediaCarouselSection,
     private val clockInteractor: KeyguardClockInteractor,
 ) : ComposableLockscreenSceneBlueprint {
 
@@ -112,10 +115,16 @@
 
                         if (viewModel.isLargeClockVisible) {
                             Spacer(modifier = Modifier.weight(weight = 1f))
-                            with(clockSection) { LargeClock(modifier = Modifier.fillMaxWidth()) }
+                            with(clockSection) {
+                                LargeClock(
+                                    modifier = Modifier.fillMaxWidth(),
+                                )
+                            }
                         }
 
-                        if (viewModel.areNotificationsVisible) {
+                        with(mediaCarouselSection) { MediaCarousel() }
+
+                        if (viewModel.areNotificationsVisible(resources = resources)) {
                             with(notificationSection) {
                                 Notifications(
                                     modifier = Modifier.fillMaxWidth().weight(weight = 1f)
diff --git a/packages/SystemUI/compose/features/src/com/android/systemui/keyguard/ui/composable/blueprint/ShortcutsBesideUdfpsBlueprint.kt b/packages/SystemUI/compose/features/src/com/android/systemui/keyguard/ui/composable/blueprint/ShortcutsBesideUdfpsBlueprint.kt
index 71c60c7..c422c4b 100644
--- a/packages/SystemUI/compose/features/src/com/android/systemui/keyguard/ui/composable/blueprint/ShortcutsBesideUdfpsBlueprint.kt
+++ b/packages/SystemUI/compose/features/src/com/android/systemui/keyguard/ui/composable/blueprint/ShortcutsBesideUdfpsBlueprint.kt
@@ -35,6 +35,7 @@
 import com.android.systemui.keyguard.ui.composable.section.BottomAreaSection
 import com.android.systemui.keyguard.ui.composable.section.DefaultClockSection
 import com.android.systemui.keyguard.ui.composable.section.LockSection
+import com.android.systemui.keyguard.ui.composable.section.MediaCarouselSection
 import com.android.systemui.keyguard.ui.composable.section.NotificationSection
 import com.android.systemui.keyguard.ui.composable.section.SettingsMenuSection
 import com.android.systemui.keyguard.ui.composable.section.SmartSpaceSection
@@ -63,6 +64,7 @@
     private val ambientIndicationSectionOptional: Optional<AmbientIndicationSection>,
     private val bottomAreaSection: BottomAreaSection,
     private val settingsMenuSection: SettingsMenuSection,
+    private val mediaCarouselSection: MediaCarouselSection,
     private val clockInteractor: KeyguardClockInteractor,
 ) : ComposableLockscreenSceneBlueprint {
 
@@ -115,7 +117,9 @@
                             with(clockSection) { LargeClock(modifier = Modifier.fillMaxWidth()) }
                         }
 
-                        if (viewModel.areNotificationsVisible) {
+                        with(mediaCarouselSection) { MediaCarousel() }
+
+                        if (viewModel.areNotificationsVisible(resources = resources)) {
                             with(notificationSection) {
                                 Notifications(
                                     modifier = Modifier.fillMaxWidth().weight(weight = 1f)
diff --git a/packages/SystemUI/compose/features/src/com/android/systemui/keyguard/ui/composable/blueprint/SplitShadeBlueprint.kt b/packages/SystemUI/compose/features/src/com/android/systemui/keyguard/ui/composable/blueprint/SplitShadeBlueprint.kt
index af836b6..d218425 100644
--- a/packages/SystemUI/compose/features/src/com/android/systemui/keyguard/ui/composable/blueprint/SplitShadeBlueprint.kt
+++ b/packages/SystemUI/compose/features/src/com/android/systemui/keyguard/ui/composable/blueprint/SplitShadeBlueprint.kt
@@ -41,6 +41,7 @@
 import com.android.systemui.keyguard.ui.composable.section.BottomAreaSection
 import com.android.systemui.keyguard.ui.composable.section.DefaultClockSection
 import com.android.systemui.keyguard.ui.composable.section.LockSection
+import com.android.systemui.keyguard.ui.composable.section.MediaCarouselSection
 import com.android.systemui.keyguard.ui.composable.section.NotificationSection
 import com.android.systemui.keyguard.ui.composable.section.SettingsMenuSection
 import com.android.systemui.keyguard.ui.composable.section.SmartSpaceSection
@@ -70,6 +71,7 @@
     private val ambientIndicationSectionOptional: Optional<AmbientIndicationSection>,
     private val bottomAreaSection: BottomAreaSection,
     private val settingsMenuSection: SettingsMenuSection,
+    private val mediaCarouselSection: MediaCarouselSection,
     private val clockInteractor: KeyguardClockInteractor,
     private val largeScreenHeaderHelper: LargeScreenHeaderHelper,
 ) : ComposableLockscreenSceneBlueprint {
@@ -100,6 +102,14 @@
                                 modifier = Modifier.fillMaxHeight().weight(weight = 1f),
                                 horizontalAlignment = Alignment.CenterHorizontally,
                             ) {
+                                with(clockSection) {
+                                    SmallClock(
+                                        burnInParams = burnIn.parameters,
+                                        onTopChanged = burnIn.onSmallClockTopChanged,
+                                        modifier = Modifier.fillMaxWidth(),
+                                    )
+                                }
+
                                 with(smartSpaceSection) {
                                     SmartSpace(
                                         burnInParams = burnIn.parameters,
@@ -121,9 +131,13 @@
                                     )
                                 }
 
-                                Spacer(modifier = Modifier.weight(weight = 1f))
-                                with(clockSection) { LargeClock() }
-                                Spacer(modifier = Modifier.weight(weight = 1f))
+                                if (viewModel.isLargeClockVisible) {
+                                    Spacer(modifier = Modifier.weight(weight = 1f))
+                                    with(clockSection) { LargeClock() }
+                                    Spacer(modifier = Modifier.weight(weight = 1f))
+                                }
+
+                                with(mediaCarouselSection) { MediaCarousel() }
                             }
                             with(notificationSection) {
                                 val splitShadeTopMargin: Dp =
diff --git a/packages/SystemUI/compose/features/src/com/android/systemui/keyguard/ui/composable/blueprint/WeatherClockBlueprint.kt b/packages/SystemUI/compose/features/src/com/android/systemui/keyguard/ui/composable/blueprint/WeatherClockBlueprint.kt
index e2e7a95..f86623f 100644
--- a/packages/SystemUI/compose/features/src/com/android/systemui/keyguard/ui/composable/blueprint/WeatherClockBlueprint.kt
+++ b/packages/SystemUI/compose/features/src/com/android/systemui/keyguard/ui/composable/blueprint/WeatherClockBlueprint.kt
@@ -41,12 +41,14 @@
 import com.android.systemui.keyguard.ui.composable.section.AmbientIndicationSection
 import com.android.systemui.keyguard.ui.composable.section.BottomAreaSection
 import com.android.systemui.keyguard.ui.composable.section.LockSection
+import com.android.systemui.keyguard.ui.composable.section.MediaCarouselSection
 import com.android.systemui.keyguard.ui.composable.section.NotificationSection
 import com.android.systemui.keyguard.ui.composable.section.SettingsMenuSection
 import com.android.systemui.keyguard.ui.composable.section.SmartSpaceSection
 import com.android.systemui.keyguard.ui.composable.section.StatusBarSection
 import com.android.systemui.keyguard.ui.composable.section.WeatherClockSection
 import com.android.systemui.keyguard.ui.viewmodel.LockscreenContentViewModel
+import com.android.systemui.media.controls.ui.composable.MediaCarousel
 import com.android.systemui.res.R
 import com.android.systemui.shade.LargeScreenHeaderHelper
 import dagger.Binds
@@ -68,6 +70,7 @@
     private val bottomAreaSection: BottomAreaSection,
     private val settingsMenuSection: SettingsMenuSection,
     private val clockInteractor: KeyguardClockInteractor,
+    private val mediaCarouselSection: MediaCarouselSection,
 ) : ComposableLockscreenSceneBlueprint {
 
     override val id: String = WEATHER_CLOCK_BLUEPRINT_ID
@@ -107,7 +110,9 @@
                             )
                         }
 
-                        if (viewModel.areNotificationsVisible) {
+                        with(mediaCarouselSection) { MediaCarousel() }
+
+                        if (viewModel.areNotificationsVisible(resources = resources)) {
                             with(notificationSection) {
                                 Notifications(
                                     modifier = Modifier.fillMaxWidth().weight(weight = 1f)
@@ -228,6 +233,7 @@
     private val clockInteractor: KeyguardClockInteractor,
     private val largeScreenHeaderHelper: LargeScreenHeaderHelper,
     private val weatherClockSection: WeatherClockSection,
+    private val mediaCarouselSection: MediaCarouselSection,
 ) : ComposableLockscreenSceneBlueprint {
     override val id: String = SPLIT_SHADE_WEATHER_CLOCK_BLUEPRINT_ID
 
@@ -276,6 +282,8 @@
                                                 ),
                                     )
                                 }
+
+                                with(mediaCarouselSection) { MediaCarousel() }
                             }
                             with(notificationSection) {
                                 val splitShadeTopMargin: Dp =
diff --git a/packages/SystemUI/compose/features/src/com/android/systemui/keyguard/ui/composable/section/DefaultClockSection.kt b/packages/SystemUI/compose/features/src/com/android/systemui/keyguard/ui/composable/section/DefaultClockSection.kt
index 335c915..152cc67 100644
--- a/packages/SystemUI/compose/features/src/com/android/systemui/keyguard/ui/composable/section/DefaultClockSection.kt
+++ b/packages/SystemUI/compose/features/src/com/android/systemui/keyguard/ui/composable/section/DefaultClockSection.kt
@@ -39,7 +39,6 @@
 import com.android.systemui.keyguard.ui.viewmodel.AodBurnInViewModel
 import com.android.systemui.keyguard.ui.viewmodel.BurnInParameters
 import com.android.systemui.keyguard.ui.viewmodel.KeyguardClockViewModel
-import com.android.systemui.statusbar.lockscreen.LockscreenSmartspaceController
 import javax.inject.Inject
 
 /** Provides small clock and large clock composables for the default clock face. */
@@ -49,7 +48,6 @@
     private val viewModel: KeyguardClockViewModel,
     private val clockInteractor: KeyguardClockInteractor,
     private val aodBurnInViewModel: AodBurnInViewModel,
-    private val lockscreenSmartspaceController: LockscreenSmartspaceController,
 ) {
 
     @Composable
@@ -62,15 +60,11 @@
         val currentClock by viewModel.currentClock.collectAsState()
         viewModel.clock = currentClock
 
-        if (clockSize != KeyguardClockSwitch.SMALL) {
+        if (clockSize != KeyguardClockSwitch.SMALL || currentClock?.smallClock?.view == null) {
             onTopChanged(null)
             return
         }
 
-        if (currentClock?.smallClock?.view == null) {
-            return
-        }
-
         val view = LocalView.current
 
         DisposableEffect(view) {
diff --git a/packages/SystemUI/compose/features/src/com/android/systemui/keyguard/ui/composable/section/MediaCarouselSection.kt b/packages/SystemUI/compose/features/src/com/android/systemui/keyguard/ui/composable/section/MediaCarouselSection.kt
new file mode 100644
index 0000000..dae120c
--- /dev/null
+++ b/packages/SystemUI/compose/features/src/com/android/systemui/keyguard/ui/composable/section/MediaCarouselSection.kt
@@ -0,0 +1,72 @@
+/*
+ * Copyright (C) 2024 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.systemui.keyguard.ui.composable.section
+
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.height
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.getValue
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.layout.onSizeChanged
+import androidx.compose.ui.platform.LocalDensity
+import androidx.compose.ui.res.dimensionResource
+import com.android.compose.animation.scene.SceneScope
+import com.android.systemui.keyguard.ui.viewmodel.MediaCarouselViewModel
+import com.android.systemui.media.controls.ui.composable.MediaCarousel
+import com.android.systemui.media.controls.ui.controller.MediaCarouselController
+import com.android.systemui.media.controls.ui.view.MediaHost
+import com.android.systemui.media.dagger.MediaModule
+import com.android.systemui.res.R
+import com.android.systemui.util.animation.MeasurementInput
+import javax.inject.Inject
+import javax.inject.Named
+
+class MediaCarouselSection
+@Inject
+constructor(
+    private val mediaCarouselController: MediaCarouselController,
+    @param:Named(MediaModule.KEYGUARD) private val mediaHost: MediaHost,
+    private val mediaCarouselViewModel: MediaCarouselViewModel,
+) {
+
+    @Composable
+    fun SceneScope.MediaCarousel(modifier: Modifier = Modifier) {
+        if (!mediaCarouselViewModel.isMediaVisible) {
+            return
+        }
+
+        if (mediaCarouselController.mediaFrame == null) {
+            return
+        }
+
+        val mediaHeight = dimensionResource(R.dimen.qs_media_session_height_expanded)
+        // TODO(b/312714128): MediaPlayer background size is not as expected.
+        MediaCarousel(
+            modifier =
+                modifier.height(mediaHeight).fillMaxWidth().onSizeChanged { size ->
+                    // Notify controller to size the carousel for the
+                    // current space
+                    mediaHost.measurementInput = MeasurementInput(size.width, size.height)
+                    mediaCarouselController.setSceneContainerSize(size.width, size.height)
+                },
+            mediaHost = mediaHost,
+            layoutWidth = 0, // Layout width is not used.
+            layoutHeight = with(LocalDensity.current) { mediaHeight.toPx() }.toInt(),
+            carouselController = mediaCarouselController,
+        )
+    }
+}
diff --git a/packages/SystemUI/compose/features/src/com/android/systemui/media/controls/ui/composable/MediaCarousel.kt b/packages/SystemUI/compose/features/src/com/android/systemui/media/controls/ui/composable/MediaCarousel.kt
index 61b2d4e..d3e4553 100644
--- a/packages/SystemUI/compose/features/src/com/android/systemui/media/controls/ui/composable/MediaCarousel.kt
+++ b/packages/SystemUI/compose/features/src/com/android/systemui/media/controls/ui/composable/MediaCarousel.kt
@@ -16,9 +16,12 @@
 
 package com.android.systemui.media.controls.ui.composable
 
+import android.view.ViewGroup
+import android.widget.FrameLayout
 import androidx.compose.runtime.Composable
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.viewinterop.AndroidView
+import androidx.core.view.contains
 import com.android.compose.animation.scene.ElementKey
 import com.android.compose.animation.scene.SceneScope
 import com.android.systemui.media.controls.ui.controller.MediaCarouselController
@@ -45,6 +48,20 @@
 
     AndroidView(
         modifier = modifier.element(MediaCarousel.Elements.Content),
-        factory = { _ -> carouselController.mediaFrame },
+        factory = { context ->
+            FrameLayout(context).apply {
+                val mediaFrame = carouselController.mediaFrame
+                (mediaFrame.parent as? ViewGroup)?.removeView(mediaFrame)
+                addView(mediaFrame)
+            }
+        },
+        update = {
+            if (it.contains(carouselController.mediaFrame)) {
+                return@AndroidView
+            }
+            val mediaFrame = carouselController.mediaFrame
+            (mediaFrame.parent as? ViewGroup)?.removeView(mediaFrame)
+            it.addView(mediaFrame)
+        },
     )
 }
diff --git a/packages/SystemUI/multivalentTests/src/com/android/systemui/deviceentry/data/repository/DeviceEntryFaceAuthRepositoryTest.kt b/packages/SystemUI/multivalentTests/src/com/android/systemui/deviceentry/data/repository/DeviceEntryFaceAuthRepositoryTest.kt
index b611e0a..36919d0 100644
--- a/packages/SystemUI/multivalentTests/src/com/android/systemui/deviceentry/data/repository/DeviceEntryFaceAuthRepositoryTest.kt
+++ b/packages/SystemUI/multivalentTests/src/com/android/systemui/deviceentry/data/repository/DeviceEntryFaceAuthRepositoryTest.kt
@@ -1052,32 +1052,6 @@
             biometricSettingsRepository.setIsFaceAuthCurrentlyAllowed(true)
             faceAuthenticateIsCalled()
         }
-    @Test
-    fun authFailedCallAfterAuthLockedOutErrorShouldBeIgnored() =
-        testScope.runTest {
-            initCollectors()
-            allPreconditionsToRunFaceAuthAreTrue()
-            runCurrent()
-            assertThat(canFaceAuthRun()).isTrue()
-
-            underTest.requestAuthenticate(FACE_AUTH_TRIGGERED_NOTIFICATION_PANEL_CLICKED, false)
-            runCurrent()
-
-            faceAuthenticateIsCalled()
-            authenticationCallback.value.onAuthenticationError(
-                FACE_ERROR_LOCKOUT_PERMANENT,
-                "Too many attempts, face not available"
-            )
-
-            val lockoutError = authStatus() as ErrorFaceAuthenticationStatus
-            assertThat(lockedOut()).isTrue()
-            assertThat(lockoutError.isLockoutError()).isTrue()
-
-            authenticationCallback.value.onAuthenticationFailed()
-            runCurrent()
-
-            assertThat(authStatus()).isEqualTo(lockoutError)
-        }
 
     private suspend fun TestScope.testGatingCheckForFaceAuth(
         gatingCheckModifier: suspend () -> Unit
diff --git a/packages/SystemUI/multivalentTests/src/com/android/systemui/keyguard/ui/viewmodel/LockscreenContentViewModelTest.kt b/packages/SystemUI/multivalentTests/src/com/android/systemui/keyguard/ui/viewmodel/LockscreenContentViewModelTest.kt
index d4dd2ac..ad1cef1 100644
--- a/packages/SystemUI/multivalentTests/src/com/android/systemui/keyguard/ui/viewmodel/LockscreenContentViewModelTest.kt
+++ b/packages/SystemUI/multivalentTests/src/com/android/systemui/keyguard/ui/viewmodel/LockscreenContentViewModelTest.kt
@@ -26,6 +26,7 @@
 import com.android.systemui.keyguard.data.repository.fakeKeyguardClockRepository
 import com.android.systemui.kosmos.Kosmos
 import com.android.systemui.kosmos.testScope
+import com.android.systemui.res.R
 import com.android.systemui.testKosmos
 import com.android.systemui.util.mockito.whenever
 import com.google.common.truth.Truth.assertThat
@@ -46,6 +47,7 @@
     fun setup() {
         with(kosmos) {
             fakeFeatureFlagsClassic.set(Flags.LOCK_SCREEN_LONG_PRESS_ENABLED, true)
+            overrideResource(R.bool.config_use_split_notification_shade, false)
             underTest = lockscreenContentViewModel
         }
     }
@@ -87,11 +89,21 @@
         }
 
     @Test
+    fun areNotificationsVisible_splitShadeTrue_true() =
+        with(kosmos) {
+            testScope.runTest {
+                overrideResource(R.bool.config_use_split_notification_shade, true)
+                kosmos.fakeKeyguardClockRepository.setClockSize(KeyguardClockSwitch.LARGE)
+
+                assertThat(underTest.areNotificationsVisible(context.resources)).isTrue()
+            }
+        }
+    @Test
     fun areNotificationsVisible_withSmallClock_true() =
         with(kosmos) {
             testScope.runTest {
                 kosmos.fakeKeyguardClockRepository.setClockSize(KeyguardClockSwitch.SMALL)
-                assertThat(underTest.areNotificationsVisible).isTrue()
+                assertThat(underTest.areNotificationsVisible(context.resources)).isTrue()
             }
         }
 
@@ -100,7 +112,7 @@
         with(kosmos) {
             testScope.runTest {
                 kosmos.fakeKeyguardClockRepository.setClockSize(KeyguardClockSwitch.LARGE)
-                assertThat(underTest.areNotificationsVisible).isFalse()
+                assertThat(underTest.areNotificationsVisible(context.resources)).isFalse()
             }
         }
 }
diff --git a/packages/SystemUI/multivalentTests/src/com/android/systemui/statusbar/policy/BaseHeadsUpManagerTest.java b/packages/SystemUI/multivalentTests/src/com/android/systemui/statusbar/policy/BaseHeadsUpManagerTest.java
index 6390e82..db4d42f 100644
--- a/packages/SystemUI/multivalentTests/src/com/android/systemui/statusbar/policy/BaseHeadsUpManagerTest.java
+++ b/packages/SystemUI/multivalentTests/src/com/android/systemui/statusbar/policy/BaseHeadsUpManagerTest.java
@@ -53,6 +53,7 @@
 import com.android.systemui.statusbar.notification.collection.NotificationEntry;
 import com.android.systemui.statusbar.notification.collection.NotificationEntryBuilder;
 import com.android.systemui.statusbar.notification.row.ExpandableNotificationRow;
+import com.android.systemui.statusbar.notification.shared.NotificationThrottleHun;
 import com.android.systemui.util.concurrency.FakeExecutor;
 import com.android.systemui.util.settings.FakeGlobalSettings;
 import com.android.systemui.util.time.FakeSystemClock;
@@ -142,6 +143,12 @@
         }
     }
 
+    @Override
+    public void SysuiSetup() throws Exception {
+        super.SysuiSetup();
+        mSetFlagsRule.disableFlags(NotificationThrottleHun.FLAG_NAME);
+    }
+
     @Test
     public void testShowNotification_addsEntry() {
         final BaseHeadsUpManager alm = createHeadsUpManager();
diff --git a/packages/SystemUI/multivalentTests/src/com/android/systemui/statusbar/policy/HeadsUpManagerPhoneTest.java b/packages/SystemUI/multivalentTests/src/com/android/systemui/statusbar/policy/HeadsUpManagerPhoneTest.java
index ec23f76..c032d7c 100644
--- a/packages/SystemUI/multivalentTests/src/com/android/systemui/statusbar/policy/HeadsUpManagerPhoneTest.java
+++ b/packages/SystemUI/multivalentTests/src/com/android/systemui/statusbar/policy/HeadsUpManagerPhoneTest.java
@@ -39,6 +39,7 @@
 import com.android.systemui.statusbar.notification.collection.NotificationEntry;
 import com.android.systemui.statusbar.notification.collection.provider.VisualStabilityProvider;
 import com.android.systemui.statusbar.notification.collection.render.GroupMembershipManager;
+import com.android.systemui.statusbar.notification.shared.NotificationThrottleHun;
 import com.android.systemui.statusbar.phone.ConfigurationControllerImpl;
 import com.android.systemui.statusbar.phone.HeadsUpManagerPhone;
 import com.android.systemui.statusbar.phone.KeyguardBypassController;
@@ -136,6 +137,8 @@
 
     @Before
     public void setUp() {
+        mSetFlagsRule.disableFlags(NotificationThrottleHun.FLAG_NAME);
+
         when(mShadeInteractor.isAnyExpanded()).thenReturn(StateFlowKt.MutableStateFlow(false));
         final AccessibilityManagerWrapper accessibilityMgr =
                 mDependency.injectMockDependency(AccessibilityManagerWrapper.class);
diff --git a/packages/SystemUI/src/com/android/keyguard/KeyguardMessageAreaController.java b/packages/SystemUI/src/com/android/keyguard/KeyguardMessageAreaController.java
index 363dd01..f528ec8 100644
--- a/packages/SystemUI/src/com/android/keyguard/KeyguardMessageAreaController.java
+++ b/packages/SystemUI/src/com/android/keyguard/KeyguardMessageAreaController.java
@@ -18,11 +18,16 @@
 
 import android.content.res.ColorStateList;
 import android.content.res.Configuration;
+import android.hardware.biometrics.BiometricSourceType;
+import android.os.SystemClock;
 import android.text.Editable;
 import android.text.TextUtils;
 import android.text.TextWatcher;
+import android.util.Log;
+import android.util.Pair;
 import android.view.View;
 
+import androidx.annotation.Nullable;
 import androidx.annotation.VisibleForTesting;
 
 import com.android.systemui.statusbar.policy.ConfigurationController;
@@ -40,6 +45,16 @@
 public class KeyguardMessageAreaController<T extends KeyguardMessageArea>
         extends ViewController<T> {
     /**
+     * Pair representing:
+     *   first - BiometricSource the currently displayed message is associated with.
+     *   second - Timestamp the biometric message came in uptimeMillis.
+     * This Pair can be null if the message is not associated with a biometric.
+     */
+    @Nullable
+    private Pair<BiometricSourceType, Long> mMessageBiometricSource = null;
+    private static final Long SKIP_SHOWING_FACE_MESSAGE_AFTER_FP_MESSAGE_MS = 3500L;
+
+    /**
      * Delay before speaking an accessibility announcement. Used to prevent
      * lift-to-type from interrupting itself.
      */
@@ -149,12 +164,42 @@
      * Sets a message to the underlying text view.
      */
     public void setMessage(CharSequence s, boolean animate) {
+        setMessage(s, animate, null);
+    }
+
+    /**
+     * Sets a message to the underlying text view.
+     */
+    public void setMessage(CharSequence s, BiometricSourceType biometricSourceType) {
+        setMessage(s, true, biometricSourceType);
+    }
+
+    private void setMessage(
+            CharSequence s,
+            boolean animate,
+            BiometricSourceType biometricSourceType) {
+        final long uptimeMillis = SystemClock.uptimeMillis();
+        if (skipShowingFaceMessage(biometricSourceType, uptimeMillis)) {
+            Log.d("KeyguardMessageAreaController", "Skip showing face message \"" + s + "\"");
+            return;
+        }
+        mMessageBiometricSource =  new Pair<>(biometricSourceType, uptimeMillis);
         if (mView.isDisabled()) {
             return;
         }
         mView.setMessage(s, animate);
     }
 
+    private boolean skipShowingFaceMessage(
+            BiometricSourceType biometricSourceType, Long currentUptimeMillis
+    ) {
+        return mMessageBiometricSource != null
+                && biometricSourceType == BiometricSourceType.FACE
+                && mMessageBiometricSource.first == BiometricSourceType.FINGERPRINT
+                && (currentUptimeMillis - mMessageBiometricSource.second)
+                    < SKIP_SHOWING_FACE_MESSAGE_AFTER_FP_MESSAGE_MS;
+    }
+
     public void setMessage(int resId) {
         String message = resId != 0 ? mView.getResources().getString(resId) : null;
         setMessage(message);
diff --git a/packages/SystemUI/src/com/android/keyguard/logging/KeyguardLogger.kt b/packages/SystemUI/src/com/android/keyguard/logging/KeyguardLogger.kt
index d2ad096..ce4032a 100644
--- a/packages/SystemUI/src/com/android/keyguard/logging/KeyguardLogger.kt
+++ b/packages/SystemUI/src/com/android/keyguard/logging/KeyguardLogger.kt
@@ -16,6 +16,7 @@
 
 package com.android.keyguard.logging
 
+import android.hardware.biometrics.BiometricSourceType
 import com.android.systemui.biometrics.AuthRippleController
 import com.android.systemui.keyguard.KeyguardIndicationRotateTextViewController
 import com.android.systemui.log.LogBuffer
@@ -117,6 +118,26 @@
         )
     }
 
+    fun logDropNonFingerprintMessage(
+        message: CharSequence,
+        followUpMessage: CharSequence?,
+        biometricSourceType: BiometricSourceType?,
+    ) {
+        buffer.log(
+            KeyguardIndicationController.TAG,
+            LogLevel.DEBUG,
+            {
+                str1 = message.toString()
+                str2 = followUpMessage?.toString()
+                str3 = biometricSourceType?.name
+            },
+            {
+                "droppingNonFingerprintMessage message=$str1 " +
+                    "followUpMessage:$str2 biometricSourceType:$str3"
+            }
+        )
+    }
+
     fun logUpdateBatteryIndication(
         powerIndication: String,
         pluggedIn: Boolean,
diff --git a/packages/SystemUI/src/com/android/systemui/biometrics/AuthContainerView.java b/packages/SystemUI/src/com/android/systemui/biometrics/AuthContainerView.java
index 0bd44f0..f4cd5b9 100644
--- a/packages/SystemUI/src/com/android/systemui/biometrics/AuthContainerView.java
+++ b/packages/SystemUI/src/com/android/systemui/biometrics/AuthContainerView.java
@@ -17,7 +17,6 @@
 package com.android.systemui.biometrics;
 
 import static android.hardware.biometrics.BiometricAuthenticator.TYPE_FACE;
-import static android.hardware.biometrics.Flags.customBiometricPrompt;
 import static android.view.WindowManager.LayoutParams.LAYOUT_IN_DISPLAY_CUTOUT_MODE_ALWAYS;
 
 import static com.android.internal.jank.InteractionJankMonitor.CUJ_BIOMETRIC_PROMPT_TRANSITION;
@@ -33,6 +32,7 @@
 import android.hardware.biometrics.BiometricAuthenticator.Modality;
 import android.hardware.biometrics.BiometricConstants;
 import android.hardware.biometrics.BiometricManager.Authenticators;
+import android.hardware.biometrics.Flags;
 import android.hardware.biometrics.PromptInfo;
 import android.hardware.face.FaceSensorPropertiesInternal;
 import android.hardware.fingerprint.FingerprintSensorPropertiesInternal;
@@ -402,7 +402,12 @@
             @Nullable FaceSensorPropertiesInternal faceProps,
             @NonNull VibratorHelper vibratorHelper
     ) {
-        if (Utils.isBiometricAllowed(config.mPromptInfo) || customBiometricPrompt()) {
+        // Set this value before showing either of the prompt.
+        mPromptSelectorInteractorProvider.get().setShouldShowBpWithoutIconForCredential(
+                config.mPromptInfo);
+
+        if (Utils.isBiometricAllowed(config.mPromptInfo)
+                || mPromptViewModel.getShowBpWithoutIconForCredential().getValue()) {
             addBiometricView(config, layoutInflater, viewModel, fpProps, faceProps, vibratorHelper);
         } else if (constraintBp() && Utils.isDeviceCredentialAllowed(mConfig.mPromptInfo)) {
             addCredentialView(true, false);
@@ -411,7 +416,6 @@
         }
     }
 
-
     private void addBiometricView(@NonNull Config config, @NonNull LayoutInflater layoutInflater,
             @NonNull PromptViewModel viewModel,
             @Nullable FingerprintSensorPropertiesInternal fpProps,
@@ -534,7 +538,8 @@
                 () -> animateAway(AuthDialogCallback.DISMISSED_USER_CANCELED));
         if (constraintBp()) {
             // Do nothing on attachment with constraintLayout
-        } else if (Utils.isBiometricAllowed(mConfig.mPromptInfo) || customBiometricPrompt()) {
+        } else if (Utils.isBiometricAllowed(mConfig.mPromptInfo)
+                || mPromptViewModel.getShowBpWithoutIconForCredential().getValue()) {
             mBiometricScrollView.addView(mBiometricView.asView());
         } else if (Utils.isDeviceCredentialAllowed(mConfig.mPromptInfo)) {
             addCredentialView(true /* animatePanel */, false /* animateContents */);
@@ -819,6 +824,9 @@
 
         final Runnable endActionRunnable = () -> {
             setVisibility(View.INVISIBLE);
+            if (Flags.customBiometricPrompt()) {
+                mPromptSelectorInteractorProvider.get().resetPrompt();
+            }
             removeWindowIfAttached();
         };
 
diff --git a/packages/SystemUI/src/com/android/systemui/biometrics/data/repository/PromptRepository.kt b/packages/SystemUI/src/com/android/systemui/biometrics/data/repository/PromptRepository.kt
index ad7bb0e..b87fadf 100644
--- a/packages/SystemUI/src/com/android/systemui/biometrics/data/repository/PromptRepository.kt
+++ b/packages/SystemUI/src/com/android/systemui/biometrics/data/repository/PromptRepository.kt
@@ -16,8 +16,11 @@
 
 package com.android.systemui.biometrics.data.repository
 
+import android.hardware.biometrics.Flags
 import android.hardware.biometrics.PromptInfo
 import com.android.systemui.biometrics.AuthController
+import com.android.systemui.biometrics.Utils
+import com.android.systemui.biometrics.Utils.isDeviceCredentialAllowed
 import com.android.systemui.biometrics.shared.model.PromptKind
 import com.android.systemui.common.coroutine.ChannelExt.trySendWithFailureLogging
 import com.android.systemui.common.coroutine.ConflatedCallbackFlow.conflatedCallbackFlow
@@ -65,6 +68,18 @@
      */
     val isConfirmationRequired: Flow<Boolean>
 
+    /**
+     * If biometric prompt without icon needs to show for displaying content prior to credential
+     * view.
+     */
+    val showBpWithoutIconForCredential: StateFlow<Boolean>
+
+    /**
+     * Update whether biometric prompt without icon needs to show for displaying content prior to
+     * credential view, which should be set before [setPrompt].
+     */
+    fun setShouldShowBpWithoutIconForCredential(promptInfo: PromptInfo)
+
     /** Update the prompt configuration, which should be set before [isShowing]. */
     fun setPrompt(
         promptInfo: PromptInfo,
@@ -129,6 +144,19 @@
             }
             .distinctUntilChanged()
 
+    private val _showBpWithoutIconForCredential: MutableStateFlow<Boolean> = MutableStateFlow(false)
+    override val showBpWithoutIconForCredential = _showBpWithoutIconForCredential.asStateFlow()
+
+    override fun setShouldShowBpWithoutIconForCredential(promptInfo: PromptInfo) {
+        val hasCredentialViewShown = kind.value !is PromptKind.Biometric
+        val showBpForCredential =
+            Flags.customBiometricPrompt() &&
+                !Utils.isBiometricAllowed(promptInfo) &&
+                isDeviceCredentialAllowed(promptInfo) &&
+                promptInfo.contentView != null
+        _showBpWithoutIconForCredential.value = showBpForCredential && !hasCredentialViewShown
+    }
+
     override fun setPrompt(
         promptInfo: PromptInfo,
         userId: Int,
diff --git a/packages/SystemUI/src/com/android/systemui/biometrics/domain/interactor/PromptCredentialInteractor.kt b/packages/SystemUI/src/com/android/systemui/biometrics/domain/interactor/PromptCredentialInteractor.kt
index e3facff..94cea57 100644
--- a/packages/SystemUI/src/com/android/systemui/biometrics/domain/interactor/PromptCredentialInteractor.kt
+++ b/packages/SystemUI/src/com/android/systemui/biometrics/domain/interactor/PromptCredentialInteractor.kt
@@ -30,6 +30,7 @@
 import kotlinx.coroutines.CoroutineDispatcher
 import kotlinx.coroutines.flow.Flow
 import kotlinx.coroutines.flow.MutableStateFlow
+import kotlinx.coroutines.flow.StateFlow
 import kotlinx.coroutines.flow.asStateFlow
 import kotlinx.coroutines.flow.combine
 import kotlinx.coroutines.flow.distinctUntilChanged
@@ -59,6 +60,13 @@
     /** If the prompt is currently showing. */
     val isShowing: Flow<Boolean> = biometricPromptRepository.isShowing
 
+    /**
+     * If biometric prompt without icon needs to show for displaying content prior to credential
+     * view.
+     */
+    val showBpWithoutIconForCredential: StateFlow<Boolean> =
+        biometricPromptRepository.showBpWithoutIconForCredential
+
     /** Metadata about the current credential prompt, including app-supplied preferences. */
     val prompt: Flow<BiometricPromptRequest.Credential?> =
         combine(
diff --git a/packages/SystemUI/src/com/android/systemui/biometrics/domain/interactor/PromptSelectorInteractor.kt b/packages/SystemUI/src/com/android/systemui/biometrics/domain/interactor/PromptSelectorInteractor.kt
index b3f9574..45816c1 100644
--- a/packages/SystemUI/src/com/android/systemui/biometrics/domain/interactor/PromptSelectorInteractor.kt
+++ b/packages/SystemUI/src/com/android/systemui/biometrics/domain/interactor/PromptSelectorInteractor.kt
@@ -32,6 +32,7 @@
 import com.android.systemui.dagger.SysUISingleton
 import javax.inject.Inject
 import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.flow.StateFlow
 import kotlinx.coroutines.flow.combine
 import kotlinx.coroutines.flow.distinctUntilChanged
 import kotlinx.coroutines.flow.map
@@ -70,6 +71,18 @@
     /** Fingerprint sensor type */
     val sensorType: Flow<FingerprintSensorType>
 
+    /**
+     * If biometric prompt without icon needs to show for displaying content prior to credential
+     * view.
+     */
+    val showBpWithoutIconForCredential: StateFlow<Boolean>
+
+    /**
+     * Update whether biometric prompt without icon needs to show for displaying content prior to
+     * credential view, which should be set before [PromptRepository.setPrompt].
+     */
+    fun setShouldShowBpWithoutIconForCredential(promptInfo: PromptInfo)
+
     /** Use biometrics for authentication. */
     fun useBiometricsForAuthentication(
         promptInfo: PromptInfo,
@@ -154,6 +167,12 @@
 
     override val sensorType: Flow<FingerprintSensorType> = fingerprintPropertyRepository.sensorType
 
+    override val showBpWithoutIconForCredential = promptRepository.showBpWithoutIconForCredential
+
+    override fun setShouldShowBpWithoutIconForCredential(promptInfo: PromptInfo) {
+        promptRepository.setShouldShowBpWithoutIconForCredential(promptInfo)
+    }
+
     override fun useBiometricsForAuthentication(
         promptInfo: PromptInfo,
         userId: Int,
diff --git a/packages/SystemUI/src/com/android/systemui/biometrics/domain/model/BiometricPromptRequest.kt b/packages/SystemUI/src/com/android/systemui/biometrics/domain/model/BiometricPromptRequest.kt
index 6133a51c..6f079e2 100644
--- a/packages/SystemUI/src/com/android/systemui/biometrics/domain/model/BiometricPromptRequest.kt
+++ b/packages/SystemUI/src/com/android/systemui/biometrics/domain/model/BiometricPromptRequest.kt
@@ -17,6 +17,7 @@
     val title: String,
     val subtitle: String,
     val description: String,
+    val contentView: PromptContentView?,
     val userInfo: BiometricUserInfo,
     val operationInfo: BiometricOperationInfo,
     val showEmergencyCallButton: Boolean,
@@ -33,11 +34,11 @@
             title = info.title?.toString() ?: "",
             subtitle = info.subtitle?.toString() ?: "",
             description = info.description?.toString() ?: "",
+            contentView = info.contentView,
             userInfo = userInfo,
             operationInfo = operationInfo,
             showEmergencyCallButton = info.isShowEmergencyCallButton
         ) {
-        val contentView: PromptContentView? = info.contentView
         val logoRes: Int = info.logoRes
         val logoBitmap: Bitmap? = info.logoBitmap
         val logoDescription: String? = info.logoDescription
@@ -54,6 +55,7 @@
             title = (info.deviceCredentialTitle ?: info.title)?.toString() ?: "",
             subtitle = (info.deviceCredentialSubtitle ?: info.subtitle)?.toString() ?: "",
             description = (info.deviceCredentialDescription ?: info.description)?.toString() ?: "",
+            contentView = info.contentView,
             userInfo = userInfo,
             operationInfo = operationInfo,
             showEmergencyCallButton = info.isShowEmergencyCallButton
diff --git a/packages/SystemUI/src/com/android/systemui/biometrics/ui/binder/BiometricViewBinder.kt b/packages/SystemUI/src/com/android/systemui/biometrics/ui/binder/BiometricViewBinder.kt
index cd5b124..ea39247 100644
--- a/packages/SystemUI/src/com/android/systemui/biometrics/ui/binder/BiometricViewBinder.kt
+++ b/packages/SystemUI/src/com/android/systemui/biometrics/ui/binder/BiometricViewBinder.kt
@@ -22,7 +22,6 @@
 import android.hardware.biometrics.BiometricAuthenticator
 import android.hardware.biometrics.BiometricConstants
 import android.hardware.biometrics.BiometricPrompt
-import android.hardware.biometrics.Flags.customBiometricPrompt
 import android.hardware.face.FaceManager
 import android.text.method.ScrollingMovementMethod
 import android.util.Log
@@ -151,17 +150,6 @@
             // these do not change and need to be set before any size transitions
             val modalities = viewModel.modalities.first()
 
-            // If there is no biometrics available, biometric prompt is showing just for displaying
-            // content, no authentication needed.
-            if (!(customBiometricPrompt() && modalities.isEmpty)) {
-                PromptIconViewBinder.bind(
-                    iconView,
-                    iconOverlayView,
-                    iconSizeOverride,
-                    viewModel,
-                )
-            }
-
             if (modalities.hasFingerprint) {
                 /**
                  * Load the given [rawResources] immediately so they are cached for use in the
@@ -233,6 +221,19 @@
                 )
             }
 
+            lifecycleScope.launch {
+                viewModel.showBpWithoutIconForCredential.collect {
+                    if (!it) {
+                        PromptIconViewBinder.bind(
+                            iconView,
+                            iconOverlayView,
+                            iconSizeOverride,
+                            viewModel,
+                        )
+                    }
+                }
+            }
+
             // TODO(b/251476085): migrate legacy icon controllers and remove
             // The fingerprint sensor is started by the legacy
             // AuthContainerView#onDialogAnimatedIn in all cases but the implicit coex flow
diff --git a/packages/SystemUI/src/com/android/systemui/biometrics/ui/binder/BiometricViewSizeBinder.kt b/packages/SystemUI/src/com/android/systemui/biometrics/ui/binder/BiometricViewSizeBinder.kt
index a37d916..8336d5e 100644
--- a/packages/SystemUI/src/com/android/systemui/biometrics/ui/binder/BiometricViewSizeBinder.kt
+++ b/packages/SystemUI/src/com/android/systemui/biometrics/ui/binder/BiometricViewSizeBinder.kt
@@ -21,7 +21,6 @@
 import android.animation.ValueAnimator
 import android.graphics.Outline
 import android.graphics.Rect
-import android.hardware.biometrics.Flags
 import android.transition.AutoTransition
 import android.transition.TransitionManager
 import android.view.Surface
@@ -55,6 +54,7 @@
 import com.android.systemui.biometrics.ui.viewmodel.isRight
 import com.android.systemui.biometrics.ui.viewmodel.isSmall
 import com.android.systemui.biometrics.ui.viewmodel.isTop
+import com.android.systemui.keyguard.ui.view.layout.sections.setVisibility
 import com.android.systemui.lifecycle.repeatWhenAttached
 import com.android.systemui.res.R
 import kotlin.math.abs
@@ -111,14 +111,9 @@
 
             val smallConstraintSet = ConstraintSet()
             smallConstraintSet.clone(mediumConstraintSet)
-            viewsToHideWhenSmall.forEach { smallConstraintSet.setVisibility(it.id, View.GONE) }
 
             val largeConstraintSet = ConstraintSet()
             largeConstraintSet.clone(mediumConstraintSet)
-            viewsToHideWhenSmall.forEach { largeConstraintSet.setVisibility(it.id, View.GONE) }
-            largeConstraintSet.setVisibility(iconHolderView.id, View.GONE)
-            largeConstraintSet.setVisibility(R.id.biometric_icon_overlay, View.GONE)
-            largeConstraintSet.setVisibility(R.id.indicator, View.GONE)
             largeConstraintSet.setGuidelineBegin(leftGuideline.id, 0)
             largeConstraintSet.setGuidelineEnd(rightGuideline.id, 0)
             largeConstraintSet.setGuidelineEnd(bottomGuideline.id, 0)
@@ -219,13 +214,18 @@
                     }
                 }
 
-                view.repeatWhenAttached {
-                    var currentSize: PromptSize? = null
-                    val modalities = viewModel.modalities.first()
-                    // TODO(b/288175072): Move all visibility settings together.
-                    //  If there is no biometrics available, biometric prompt is showing just for
-                    // displaying content, no authentication needed.
-                    if (Flags.customBiometricPrompt() && modalities.isEmpty) {
+                fun setConstraintSetVisibility() {
+                    viewsToHideWhenSmall.forEach {
+                        mediumConstraintSet.setVisibility(it.id, it.showContentOrHide())
+                        largeConstraintSet.setVisibility(it.id, View.GONE)
+                        smallConstraintSet.setVisibility(it.id, View.GONE)
+                    }
+
+                    largeConstraintSet.setVisibility(iconHolderView.id, View.GONE)
+                    largeConstraintSet.setVisibility(R.id.biometric_icon_overlay, View.GONE)
+                    largeConstraintSet.setVisibility(R.id.indicator, View.GONE)
+
+                    if (viewModel.showBpWithoutIconForCredential.value) {
                         smallConstraintSet.setVisibility(iconHolderView.id, View.GONE)
                         smallConstraintSet.setVisibility(R.id.biometric_icon_overlay, View.GONE)
                         smallConstraintSet.setVisibility(R.id.indicator, View.GONE)
@@ -233,12 +233,17 @@
                         mediumConstraintSet.setVisibility(R.id.biometric_icon_overlay, View.GONE)
                         mediumConstraintSet.setVisibility(R.id.indicator, View.GONE)
                     }
+                }
+
+                view.repeatWhenAttached {
+                    var currentSize: PromptSize? = null
+
                     lifecycleScope.launch {
                         combine(viewModel.position, viewModel.size, ::Pair).collect {
                             (position, size) ->
                             view.doOnAttach {
                                 measureBounds(position)
-
+                                setConstraintSetVisibility()
                                 when {
                                     size.isSmall -> {
                                         val ratio =
@@ -313,7 +318,6 @@
                 // TODO(b/251476085): migrate the legacy panel controller and simplify this
                 view.repeatWhenAttached {
                     var currentSize: PromptSize? = null
-                    val modalities = viewModel.modalities.first()
                     lifecycleScope.launch {
                         /**
                          * View is only set visible in BiometricViewSizeBinder once PromptSize is
@@ -331,11 +335,13 @@
 
                             // prepare for animated size transitions
                             for (v in viewsToHideWhenSmall) {
-                                v.showContentOrHide(forceHide = size.isSmall)
+                                v.visibility = v.showContentOrHide(forceHide = size.isSmall)
                             }
-                            if (Flags.customBiometricPrompt() && modalities.isEmpty) {
+
+                            if (viewModel.showBpWithoutIconForCredential.value) {
                                 iconHolderView.visibility = View.GONE
                             }
+
                             if (currentSize == null && size.isSmall) {
                                 iconHolderView.alpha = 0f
                             }
@@ -344,9 +350,9 @@
                             }
 
                             // TODO(b/302735104): Fix wrong height due to the delay of
-                            // PromptContentView. addOnLayoutChangeListener() will cause crash when
-                            // showing credential view, since |PromptIconViewModel| won't release
-                            // the flow.
+                            // PromptContentView. addOnLayoutChangeListener() will cause crash
+                            // when showing credential view, since |PromptIconViewModel| won't
+                            // release the flow.
                             // propagate size changes to legacy panel controller and animate
                             // transitions
                             view.doOnLayout {
@@ -460,15 +466,14 @@
     return r == Surface.ROTATION_90 || r == Surface.ROTATION_270
 }
 
-private fun View.showContentOrHide(forceHide: Boolean = false) {
+private fun View.showContentOrHide(forceHide: Boolean = false): Int {
     val isTextViewWithBlankText = this is TextView && this.text.isBlank()
     val isImageViewWithoutImage = this is ImageView && this.drawable == null
-    visibility =
-        if (forceHide || isTextViewWithBlankText || isImageViewWithoutImage) {
-            View.GONE
-        } else {
-            View.VISIBLE
-        }
+    return if (forceHide || isTextViewWithBlankText || isImageViewWithoutImage) {
+        View.GONE
+    } else {
+        View.VISIBLE
+    }
 }
 
 private fun View.centerX(): Int {
diff --git a/packages/SystemUI/src/com/android/systemui/biometrics/ui/viewmodel/CredentialViewModel.kt b/packages/SystemUI/src/com/android/systemui/biometrics/ui/viewmodel/CredentialViewModel.kt
index 03c5c53..46be8c7 100644
--- a/packages/SystemUI/src/com/android/systemui/biometrics/ui/viewmodel/CredentialViewModel.kt
+++ b/packages/SystemUI/src/com/android/systemui/biometrics/ui/viewmodel/CredentialViewModel.kt
@@ -4,13 +4,13 @@
 import android.graphics.drawable.Drawable
 import android.text.InputType
 import com.android.internal.widget.LockPatternView
-import com.android.systemui.res.R
 import com.android.systemui.biometrics.Utils
 import com.android.systemui.biometrics.domain.interactor.CredentialStatus
 import com.android.systemui.biometrics.domain.interactor.PromptCredentialInteractor
 import com.android.systemui.biometrics.domain.model.BiometricPromptRequest
 import com.android.systemui.biometrics.shared.model.BiometricUserInfo
 import com.android.systemui.dagger.qualifiers.Application
+import com.android.systemui.res.R
 import javax.inject.Inject
 import kotlin.reflect.KClass
 import kotlinx.coroutines.flow.Flow
@@ -32,14 +32,16 @@
 
     /** Top level information about the prompt. */
     val header: Flow<CredentialHeaderViewModel> =
-        credentialInteractor.prompt.filterIsInstance<BiometricPromptRequest.Credential>().map {
-            request ->
+        combine(
+            credentialInteractor.prompt.filterIsInstance<BiometricPromptRequest.Credential>(),
+            credentialInteractor.showBpWithoutIconForCredential
+        ) { request, showBpWithoutIconForCredential ->
             BiometricPromptHeaderViewModelImpl(
                 request,
                 user = request.userInfo,
                 title = request.title,
-                subtitle = request.subtitle,
-                description = request.description,
+                subtitle = if (showBpWithoutIconForCredential) "" else request.subtitle,
+                description = if (showBpWithoutIconForCredential) "" else request.description,
                 icon = applicationContext.asLockIcon(request.userInfo.deviceCredentialOwnerId),
                 showEmergencyCallButton = request.showEmergencyCallButton
             )
@@ -145,7 +147,7 @@
                 .createLaunchEmergencyDialerIntent(null)
                 .setFlags(
                     android.content.Intent.FLAG_ACTIVITY_NEW_TASK or
-                            android.content.Intent.FLAG_ACTIVITY_CLEAR_TOP
+                        android.content.Intent.FLAG_ACTIVITY_CLEAR_TOP
                 )
         context.startActivity(intent)
     }
diff --git a/packages/SystemUI/src/com/android/systemui/biometrics/ui/viewmodel/PromptViewModel.kt b/packages/SystemUI/src/com/android/systemui/biometrics/ui/viewmodel/PromptViewModel.kt
index c933e0e..2c749ba 100644
--- a/packages/SystemUI/src/com/android/systemui/biometrics/ui/viewmodel/PromptViewModel.kt
+++ b/packages/SystemUI/src/com/android/systemui/biometrics/ui/viewmodel/PromptViewModel.kt
@@ -47,6 +47,7 @@
 import kotlinx.coroutines.flow.Flow
 import kotlinx.coroutines.flow.MutableSharedFlow
 import kotlinx.coroutines.flow.MutableStateFlow
+import kotlinx.coroutines.flow.StateFlow
 import kotlinx.coroutines.flow.asSharedFlow
 import kotlinx.coroutines.flow.asStateFlow
 import kotlinx.coroutines.flow.combine
@@ -123,6 +124,9 @@
     /** The kind of credential the user has. */
     val credentialKind: Flow<PromptKind> = promptSelectorInteractor.credentialKind
 
+    val showBpWithoutIconForCredential: StateFlow<Boolean> =
+        promptSelectorInteractor.showBpWithoutIconForCredential
+
     /** The label to use for the cancel button. */
     val negativeButtonText: Flow<String> =
         promptSelectorInteractor.prompt.map { it?.negativeButtonText ?: "" }
diff --git a/packages/SystemUI/src/com/android/systemui/dagger/SystemUIModule.java b/packages/SystemUI/src/com/android/systemui/dagger/SystemUIModule.java
index 1157d97..19af371 100644
--- a/packages/SystemUI/src/com/android/systemui/dagger/SystemUIModule.java
+++ b/packages/SystemUI/src/com/android/systemui/dagger/SystemUIModule.java
@@ -51,6 +51,7 @@
 import com.android.systemui.controls.dagger.ControlsModule;
 import com.android.systemui.dagger.qualifiers.Main;
 import com.android.systemui.dagger.qualifiers.SystemUser;
+import com.android.systemui.dagger.qualifiers.UiBackground;
 import com.android.systemui.demomode.dagger.DemoModeModule;
 import com.android.systemui.deviceentry.DeviceEntryModule;
 import com.android.systemui.display.DisplayModule;
@@ -365,7 +366,8 @@
             SysUiState sysUiState,
             FeatureFlags featureFlags,
             NotifPipelineFlags notifPipelineFlags,
-            @Main Executor sysuiMainExecutor) {
+            @Main Executor sysuiMainExecutor,
+            @UiBackground Executor sysuiUiBgExecutor) {
         return Optional.ofNullable(BubblesManager.create(context,
                 bubblesOptional,
                 notificationShadeWindowController,
@@ -384,7 +386,8 @@
                 sysUiState,
                 featureFlags,
                 notifPipelineFlags,
-                sysuiMainExecutor));
+                sysuiMainExecutor,
+                sysuiUiBgExecutor));
     }
 
     @Binds
diff --git a/packages/SystemUI/src/com/android/systemui/deviceentry/data/repository/DeviceEntryFaceAuthRepository.kt b/packages/SystemUI/src/com/android/systemui/deviceentry/data/repository/DeviceEntryFaceAuthRepository.kt
index cf7d601..baae986 100644
--- a/packages/SystemUI/src/com/android/systemui/deviceentry/data/repository/DeviceEntryFaceAuthRepository.kt
+++ b/packages/SystemUI/src/com/android/systemui/deviceentry/data/repository/DeviceEntryFaceAuthRepository.kt
@@ -62,6 +62,10 @@
 import com.android.systemui.user.data.model.SelectionStatus
 import com.android.systemui.user.data.repository.UserRepository
 import com.google.errorprone.annotations.CompileTimeConstant
+import java.io.PrintWriter
+import java.util.Arrays
+import java.util.stream.Collectors
+import javax.inject.Inject
 import kotlinx.coroutines.CoroutineDispatcher
 import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.Job
@@ -83,10 +87,6 @@
 import kotlinx.coroutines.flow.stateIn
 import kotlinx.coroutines.launch
 import kotlinx.coroutines.withContext
-import java.io.PrintWriter
-import java.util.Arrays
-import java.util.stream.Collectors
-import javax.inject.Inject
 
 /**
  * API to run face authentication and detection for device entry / on keyguard (as opposed to the
@@ -431,11 +431,11 @@
             override fun onAuthenticationFailed() {
                 _isAuthenticated.value = false
                 faceAuthLogger.authenticationFailed()
+                _authenticationStatus.value = FailedFaceAuthenticationStatus()
                 if (!_isLockedOut.value) {
                     // onAuthenticationError gets invoked before onAuthenticationFailed when the
                     // last auth attempt locks out face authentication.
-                    // Skip updating the authentication status in such a scenario.
-                    _authenticationStatus.value = FailedFaceAuthenticationStatus()
+                    // Skip onFaceAuthRequestCompleted in such a scenario.
                     onFaceAuthRequestCompleted()
                 }
             }
diff --git a/packages/SystemUI/src/com/android/systemui/keyguard/domain/interactor/FromLockscreenTransitionInteractor.kt b/packages/SystemUI/src/com/android/systemui/keyguard/domain/interactor/FromLockscreenTransitionInteractor.kt
index 7263ae9..cb1571e 100644
--- a/packages/SystemUI/src/com/android/systemui/keyguard/domain/interactor/FromLockscreenTransitionInteractor.kt
+++ b/packages/SystemUI/src/com/android/systemui/keyguard/domain/interactor/FromLockscreenTransitionInteractor.kt
@@ -44,6 +44,7 @@
 import kotlinx.coroutines.flow.Flow
 import kotlinx.coroutines.flow.combine
 import kotlinx.coroutines.flow.distinctUntilChanged
+import kotlinx.coroutines.flow.filterNotNull
 import kotlinx.coroutines.flow.map
 import kotlinx.coroutines.flow.onStart
 import kotlinx.coroutines.launch
@@ -287,7 +288,7 @@
         if (KeyguardWmStateRefactor.isEnabled) {
             // When the refactor is enabled, we no longer use isKeyguardGoingAway.
             scope.launch {
-                swipeToDismissInteractor.dismissFling.collect { _ ->
+                swipeToDismissInteractor.dismissFling.filterNotNull().collect { _ ->
                     startTransitionTo(KeyguardState.GONE)
                 }
             }
diff --git a/packages/SystemUI/src/com/android/systemui/keyguard/ui/viewmodel/LockscreenContentViewModel.kt b/packages/SystemUI/src/com/android/systemui/keyguard/ui/viewmodel/LockscreenContentViewModel.kt
index d792889..23320be 100644
--- a/packages/SystemUI/src/com/android/systemui/keyguard/ui/viewmodel/LockscreenContentViewModel.kt
+++ b/packages/SystemUI/src/com/android/systemui/keyguard/ui/viewmodel/LockscreenContentViewModel.kt
@@ -23,6 +23,7 @@
 import com.android.systemui.keyguard.domain.interactor.KeyguardBlueprintInteractor
 import com.android.systemui.keyguard.domain.interactor.KeyguardClockInteractor
 import com.android.systemui.res.R
+import com.android.systemui.statusbar.policy.SplitShadeStateController
 import javax.inject.Inject
 import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.flow.SharingStarted
@@ -39,6 +40,7 @@
     private val interactor: KeyguardBlueprintInteractor,
     private val authController: AuthController,
     val longPress: KeyguardLongPressViewModel,
+    val splitShadeStateController: SplitShadeStateController,
 ) {
     private val clockSize = clockInteractor.clockSize
 
@@ -46,8 +48,10 @@
         get() = authController.isUdfpsSupported
     val isLargeClockVisible: Boolean
         get() = clockSize.value == KeyguardClockSwitch.LARGE
-    val areNotificationsVisible: Boolean
-        get() = !isLargeClockVisible
+    fun areNotificationsVisible(resources: Resources): Boolean {
+        return !isLargeClockVisible ||
+            splitShadeStateController.shouldUseSplitNotificationShade(resources)
+    }
 
     fun getSmartSpacePaddingTop(resources: Resources): Int {
         return if (isLargeClockVisible) {
diff --git a/packages/SystemUI/src/com/android/systemui/keyguard/ui/viewmodel/MediaCarouselViewModel.kt b/packages/SystemUI/src/com/android/systemui/keyguard/ui/viewmodel/MediaCarouselViewModel.kt
new file mode 100644
index 0000000..027a739
--- /dev/null
+++ b/packages/SystemUI/src/com/android/systemui/keyguard/ui/viewmodel/MediaCarouselViewModel.kt
@@ -0,0 +1,24 @@
+/*
+ * Copyright (C) 2024 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.systemui.keyguard.ui.viewmodel
+
+import com.android.systemui.media.controls.domain.pipeline.MediaDataManager
+import javax.inject.Inject
+
+class MediaCarouselViewModel @Inject constructor(mediaDataManager: MediaDataManager) {
+    val isMediaVisible: Boolean = mediaDataManager.hasActiveMediaOrRecommendation()
+}
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/KeyguardIndicationController.java b/packages/SystemUI/src/com/android/systemui/statusbar/KeyguardIndicationController.java
index 19fe60a..1ec86ae 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/KeyguardIndicationController.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/KeyguardIndicationController.java
@@ -71,6 +71,7 @@
 import android.provider.DeviceConfig;
 import android.text.TextUtils;
 import android.text.format.Formatter;
+import android.util.Pair;
 import android.view.View;
 import android.view.ViewGroup;
 import android.view.accessibility.AccessibilityManager;
@@ -187,6 +188,7 @@
     private CharSequence mTransientIndication;
     private CharSequence mBiometricMessage;
     private CharSequence mBiometricMessageFollowUp;
+    private BiometricSourceType mBiometricMessageSource;
     protected ColorStateList mInitialTextColorState;
     private boolean mVisible;
     private boolean mOrganizationOwnedDevice;
@@ -206,7 +208,7 @@
     private int mBatteryLevel;
     private boolean mBatteryPresent = true;
     private long mChargingTimeRemaining;
-    private String mBiometricErrorMessageToShowOnScreenOn;
+    private Pair<String, BiometricSourceType> mBiometricErrorMessageToShowOnScreenOn;
     private final Set<Integer> mCoExFaceAcquisitionMsgIdsToShow;
     private final FaceHelpMessageDeferral mFaceAcquiredMessageDeferral;
     private boolean mInited;
@@ -225,15 +227,18 @@
                 mIsActiveDreamLockscreenHosted = isLockscreenHosted;
                 updateDeviceEntryIndication(false);
             };
-    private final ScreenLifecycle.Observer mScreenObserver =
-            new ScreenLifecycle.Observer() {
+    private final ScreenLifecycle.Observer mScreenObserver = new ScreenLifecycle.Observer() {
         @Override
         public void onScreenTurnedOn() {
             mHandler.removeMessages(MSG_RESET_ERROR_MESSAGE_ON_SCREEN_ON);
             if (mBiometricErrorMessageToShowOnScreenOn != null) {
                 String followUpMessage = mFaceLockedOutThisAuthSession
                         ? faceLockedOutFollowupMessage() : null;
-                showBiometricMessage(mBiometricErrorMessageToShowOnScreenOn, followUpMessage);
+                showBiometricMessage(
+                        mBiometricErrorMessageToShowOnScreenOn.first,
+                        followUpMessage,
+                        mBiometricErrorMessageToShowOnScreenOn.second
+                );
                 // We want to keep this message around in case the screen was off
                 hideBiometricMessageDelayed(DEFAULT_HIDE_DELAY_MS);
                 mBiometricErrorMessageToShowOnScreenOn = null;
@@ -879,8 +884,35 @@
         updateTransient();
     }
 
-    private void showBiometricMessage(CharSequence biometricMessage) {
-        showBiometricMessage(biometricMessage, null);
+    private void showSuccessBiometricMessage(
+            CharSequence biometricMessage,
+            @Nullable CharSequence biometricMessageFollowUp,
+            BiometricSourceType biometricSourceType
+    ) {
+        showBiometricMessage(biometricMessage, biometricMessageFollowUp, biometricSourceType, true);
+    }
+
+    private void showSuccessBiometricMessage(CharSequence biometricMessage,
+            BiometricSourceType biometricSourceType) {
+        showSuccessBiometricMessage(biometricMessage, null, biometricSourceType);
+    }
+
+    private void showBiometricMessage(CharSequence biometricMessage,
+            BiometricSourceType biometricSourceType) {
+        showBiometricMessage(biometricMessage, null, biometricSourceType, false);
+    }
+
+    private void showBiometricMessage(
+            CharSequence biometricMessage,
+            @Nullable CharSequence biometricMessageFollowUp,
+            BiometricSourceType biometricSourceType
+    ) {
+        showBiometricMessage(
+                biometricMessage,
+                biometricMessageFollowUp,
+                biometricSourceType,
+                false
+        );
     }
 
     /**
@@ -889,15 +921,33 @@
      * by {@link KeyguardIndicationRotateTextViewController}, see class for rotating message
      * logic.
      */
-    private void showBiometricMessage(CharSequence biometricMessage,
-            @Nullable CharSequence biometricMessageFollowUp) {
+    private void showBiometricMessage(
+            CharSequence biometricMessage,
+            @Nullable CharSequence biometricMessageFollowUp,
+            BiometricSourceType biometricSourceType,
+            boolean isSuccessMessage
+    ) {
         if (TextUtils.equals(biometricMessage, mBiometricMessage)
+                && biometricSourceType == mBiometricMessageSource
                 && TextUtils.equals(biometricMessageFollowUp, mBiometricMessageFollowUp)) {
             return;
         }
 
+        if (!isSuccessMessage
+                && mBiometricMessageSource == FINGERPRINT
+                && biometricSourceType != FINGERPRINT) {
+            // drop all non-fingerprint biometric messages if there's a fingerprint message showing
+            mKeyguardLogger.logDropNonFingerprintMessage(
+                    biometricMessage,
+                    biometricMessageFollowUp,
+                    biometricSourceType
+            );
+            return;
+        }
+
         mBiometricMessage = biometricMessage;
         mBiometricMessageFollowUp = biometricMessageFollowUp;
+        mBiometricMessageSource = biometricSourceType;
 
         mHandler.removeMessages(MSG_SHOW_ACTION_TO_UNLOCK);
         hideBiometricMessageDelayed(
@@ -914,6 +964,7 @@
         if (mBiometricMessage != null || mBiometricMessageFollowUp != null) {
             mBiometricMessage = null;
             mBiometricMessageFollowUp = null;
+            mBiometricMessageSource = null;
             mHideBiometricMessageHandler.cancel();
             updateBiometricMessage();
         }
@@ -1085,7 +1136,8 @@
                 } else {
                     message = mContext.getString(R.string.keyguard_retry);
                 }
-                mStatusBarKeyguardViewManager.setKeyguardMessage(message, mInitialTextColorState);
+                mStatusBarKeyguardViewManager.setKeyguardMessage(message, mInitialTextColorState,
+                        null);
             }
         } else {
             final boolean canSkipBouncer = mKeyguardUpdateMonitor.getUserCanSkipBouncer(
@@ -1097,34 +1149,40 @@
                         || mAccessibilityManager.isTouchExplorationEnabled();
                 if (udfpsSupported && faceAuthenticated) { // co-ex
                     if (a11yEnabled) {
-                        showBiometricMessage(
+                        showSuccessBiometricMessage(
                                 mContext.getString(R.string.keyguard_face_successful_unlock),
-                                mContext.getString(R.string.keyguard_unlock)
+                                mContext.getString(R.string.keyguard_unlock),
+                                FACE
                         );
                     } else {
-                        showBiometricMessage(
+                        showSuccessBiometricMessage(
                                 mContext.getString(R.string.keyguard_face_successful_unlock),
-                                mContext.getString(R.string.keyguard_unlock_press)
+                                mContext.getString(R.string.keyguard_unlock_press),
+                                FACE
                         );
                     }
                 } else if (faceAuthenticated) { // face-only
-                    showBiometricMessage(
+                    showSuccessBiometricMessage(
                             mContext.getString(R.string.keyguard_face_successful_unlock),
-                            mContext.getString(R.string.keyguard_unlock)
+                            mContext.getString(R.string.keyguard_unlock),
+                            FACE
                     );
                 } else if (udfpsSupported) { // udfps-only
                     if (a11yEnabled) {
-                        showBiometricMessage(mContext.getString(R.string.keyguard_unlock));
+                        showSuccessBiometricMessage(
+                                mContext.getString(R.string.keyguard_unlock),
+                                null
+                        );
                     } else {
-                        showBiometricMessage(mContext.getString(
-                                R.string.keyguard_unlock_press));
+                        showSuccessBiometricMessage(mContext.getString(
+                                R.string.keyguard_unlock_press), null);
                     }
                 } else { // no security or unlocked by a trust agent
-                    showBiometricMessage(mContext.getString(R.string.keyguard_unlock));
+                    showSuccessBiometricMessage(mContext.getString(R.string.keyguard_unlock), null);
                 }
             } else {
                 // suggest swiping up for the primary authentication bouncer
-                showBiometricMessage(mContext.getString(R.string.keyguard_unlock));
+                showBiometricMessage(mContext.getString(R.string.keyguard_unlock), null);
             }
         }
     }
@@ -1228,6 +1286,13 @@
                     && msgId != BIOMETRIC_HELP_FACE_NOT_AVAILABLE;
             final boolean faceAuthFailed = biometricSourceType == FACE
                     && msgId == BIOMETRIC_HELP_FACE_NOT_RECOGNIZED; // ran through matcher & failed
+            if (faceAuthFailed && mFaceLockedOutThisAuthSession) {
+                mKeyguardLogger.logBiometricMessage(
+                        "skipped showing faceAuthFailed message due to lockout",
+                        msgId,
+                        helpString);
+                return;
+            }
             final boolean fpAuthFailed = biometricSourceType == FINGERPRINT
                     && msgId == BIOMETRIC_HELP_FINGERPRINT_NOT_RECOGNIZED; // ran matcher & failed
             final boolean isUnlockWithFingerprintPossible = canUnlockWithFingerprint();
@@ -1245,49 +1310,55 @@
                     mBouncerMessageInteractor.setFaceAcquisitionMessage(helpString);
                 }
                 mStatusBarKeyguardViewManager.setKeyguardMessage(helpString,
-                        mInitialTextColorState);
+                        mInitialTextColorState, biometricSourceType);
             } else if (mScreenLifecycle.getScreenState() == SCREEN_ON) {
                 if (isCoExFaceAcquisitionMessage && msgId == FACE_ACQUIRED_TOO_DARK) {
                     showBiometricMessage(
                             helpString,
-                            mContext.getString(R.string.keyguard_suggest_fingerprint)
+                            mContext.getString(R.string.keyguard_suggest_fingerprint),
+                            biometricSourceType
                     );
                 } else if (faceAuthFailed && isUnlockWithFingerprintPossible) {
                     showBiometricMessage(
                             mContext.getString(R.string.keyguard_face_failed),
-                            mContext.getString(R.string.keyguard_suggest_fingerprint)
+                            mContext.getString(R.string.keyguard_suggest_fingerprint),
+                            biometricSourceType
                     );
                 } else if (fpAuthFailed
                         && mKeyguardUpdateMonitor.isCurrentUserUnlockedWithFace()) {
                     // face had already previously unlocked the device, so instead of showing a
                     // fingerprint error, tell them they have already unlocked with face auth
                     // and how to enter their device
-                    showBiometricMessage(
+                    showSuccessBiometricMessage(
                             mContext.getString(R.string.keyguard_face_successful_unlock),
-                            mContext.getString(R.string.keyguard_unlock)
+                            mContext.getString(R.string.keyguard_unlock),
+                            null
                     );
                 } else if (fpAuthFailed
                         && mKeyguardUpdateMonitor.getUserHasTrust(getCurrentUser())) {
-                    showBiometricMessage(
+                    showSuccessBiometricMessage(
                             getTrustGrantedIndication(),
-                            mContext.getString(R.string.keyguard_unlock)
+                            mContext.getString(R.string.keyguard_unlock),
+                            null
                     );
                 } else if (faceAuthUnavailable) {
                     showBiometricMessage(
                             helpString,
                             isUnlockWithFingerprintPossible
                                     ? mContext.getString(R.string.keyguard_suggest_fingerprint)
-                                    : mContext.getString(R.string.keyguard_unlock)
+                                    : mContext.getString(R.string.keyguard_unlock),
+                            biometricSourceType
                     );
                 } else {
-                    showBiometricMessage(helpString);
+                    showBiometricMessage(helpString, biometricSourceType);
                 }
             } else if (faceAuthFailed) {
                 // show action to unlock
                 mHandler.sendMessageDelayed(mHandler.obtainMessage(MSG_SHOW_ACTION_TO_UNLOCK),
                         TRANSIENT_BIOMETRIC_ERROR_TIMEOUT);
             } else {
-                mBiometricErrorMessageToShowOnScreenOn = helpString;
+                mBiometricErrorMessageToShowOnScreenOn =
+                        new Pair<>(helpString, biometricSourceType);
                 mHandler.sendMessageDelayed(
                         mHandler.obtainMessage(MSG_RESET_ERROR_MESSAGE_ON_SCREEN_ON),
                         1000);
@@ -1333,7 +1404,7 @@
             } else if (mIndicationHelper.isFaceLockoutErrorMsg(msgId)) {
                 handleFaceLockoutError(errString);
             } else {
-                showErrorMessageNowOrLater(errString, null);
+                showErrorMessageNowOrLater(errString, null, FACE);
             }
         }
 
@@ -1343,7 +1414,7 @@
                         msgId,
                         errString);
             } else {
-                showErrorMessageNowOrLater(errString, null);
+                showErrorMessageNowOrLater(errString, null, FINGERPRINT);
             }
         }
 
@@ -1371,7 +1442,7 @@
 
         @Override
         public void onTrustAgentErrorMessage(CharSequence message) {
-            showBiometricMessage(message);
+            showBiometricMessage(message, null);
         }
 
         @Override
@@ -1459,12 +1530,13 @@
         // had too many unsuccessful attempts.
         if (!mFaceLockedOutThisAuthSession) {
             mFaceLockedOutThisAuthSession = true;
-            showErrorMessageNowOrLater(errString, followupMessage);
+            showErrorMessageNowOrLater(errString, followupMessage, FACE);
         } else if (!mAuthController.isUdfpsFingerDown()) {
             // On subsequent lockouts, we show a more generic locked out message.
             showErrorMessageNowOrLater(
                     mContext.getString(R.string.keyguard_face_unlock_unavailable),
-                    followupMessage);
+                    followupMessage,
+                    FACE);
         }
     }
 
@@ -1484,7 +1556,8 @@
                     && !mStatusBarKeyguardViewManager.isBouncerShowing()) {
                 showBiometricMessage(
                         deferredFaceMessage,
-                        mContext.getString(R.string.keyguard_suggest_fingerprint)
+                        mContext.getString(R.string.keyguard_suggest_fingerprint),
+                        FACE
                 );
             } else {
                 // otherwise, don't show any message
@@ -1496,7 +1569,8 @@
             // user to manually retry.
             showBiometricMessage(
                     deferredFaceMessage,
-                    mContext.getString(R.string.keyguard_unlock)
+                    mContext.getString(R.string.keyguard_unlock),
+                    FACE
             );
         } else {
             // Face-only
@@ -1510,13 +1584,15 @@
                 getCurrentUser()) && mKeyguardUpdateMonitor.isUnlockingWithFingerprintAllowed();
     }
 
-    private void showErrorMessageNowOrLater(String errString, @Nullable String followUpMsg) {
+    private void showErrorMessageNowOrLater(String errString, @Nullable String followUpMsg,
+            BiometricSourceType biometricSourceType) {
         if (mStatusBarKeyguardViewManager.isBouncerShowing()) {
-            mStatusBarKeyguardViewManager.setKeyguardMessage(errString, mInitialTextColorState);
+            mStatusBarKeyguardViewManager.setKeyguardMessage(errString, mInitialTextColorState,
+                    biometricSourceType);
         } else if (mScreenLifecycle.getScreenState() == SCREEN_ON) {
-            showBiometricMessage(errString, followUpMsg);
+            showBiometricMessage(errString, followUpMsg, biometricSourceType);
         } else {
-            mBiometricErrorMessageToShowOnScreenOn = errString;
+            mBiometricErrorMessageToShowOnScreenOn = new Pair<>(errString, biometricSourceType);
         }
     }
 
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 29fd225..d1055c7 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/phone/StatusBarKeyguardViewManager.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/phone/StatusBarKeyguardViewManager.java
@@ -23,7 +23,6 @@
 import static com.android.systemui.plugins.ActivityStarter.OnDismissAction;
 import static com.android.systemui.statusbar.phone.BiometricUnlockController.MODE_WAKE_AND_UNLOCK;
 import static com.android.systemui.statusbar.phone.BiometricUnlockController.MODE_WAKE_AND_UNLOCK_PULSING;
-import static com.android.systemui.util.kotlin.JavaAdapterKt.collectFlow;
 import static com.android.systemui.util.kotlin.JavaAdapterKt.combineFlows;
 
 import android.content.Context;
@@ -98,6 +97,7 @@
 import com.android.systemui.unfold.FoldAodAnimationController;
 import com.android.systemui.unfold.SysUIUnfoldComponent;
 import com.android.systemui.user.domain.interactor.SelectedUserInteractor;
+import com.android.systemui.util.kotlin.JavaAdapter;
 
 import dagger.Lazy;
 
@@ -348,6 +348,8 @@
     private Lazy<KeyguardSurfaceBehindInteractor> mSurfaceBehindInteractor;
     private Lazy<KeyguardDismissActionInteractor> mKeyguardDismissActionInteractor;
 
+    private final JavaAdapter mJavaAdapter;
+
     @Inject
     public StatusBarKeyguardViewManager(
             Context context,
@@ -378,7 +380,8 @@
             Lazy<WindowManagerLockscreenVisibilityInteractor> wmLockscreenVisibilityInteractor,
             Lazy<KeyguardDismissActionInteractor> keyguardDismissActionInteractorLazy,
             SelectedUserInteractor selectedUserInteractor,
-            Lazy<KeyguardSurfaceBehindInteractor> surfaceBehindInteractor
+            Lazy<KeyguardSurfaceBehindInteractor> surfaceBehindInteractor,
+            JavaAdapter javaAdapter
     ) {
         mContext = context;
         mViewMediatorCallback = callback;
@@ -411,6 +414,7 @@
         mKeyguardDismissActionInteractor = keyguardDismissActionInteractorLazy;
         mSelectedUserInteractor = selectedUserInteractor;
         mSurfaceBehindInteractor = surfaceBehindInteractor;
+        mJavaAdapter = javaAdapter;
     }
 
     KeyguardTransitionInteractor mKeyguardTransitionInteractor;
@@ -481,8 +485,7 @@
 
         if (KeyguardWmStateRefactor.isEnabled()) {
             // Show the keyguard views whenever we've told WM that the lockscreen is visible.
-            collectFlow(
-                    getViewRootImpl().getView(),
+            mJavaAdapter.alwaysCollectFlow(
                     combineFlows(
                             mWmLockscreenVisibilityInteractor.get().getLockscreenVisibility(),
                             mSurfaceBehindInteractor.get().isAnimatingSurface(),
@@ -781,7 +784,7 @@
                     }
 
                     updateAlternateBouncerShowing(mAlternateBouncerInteractor.show());
-                    setKeyguardMessage(message, null);
+                    setKeyguardMessage(message, null, null);
                     return;
                 }
 
@@ -1444,11 +1447,12 @@
     }
 
     /** Display security message to relevant KeyguardMessageArea. */
-    public void setKeyguardMessage(String message, ColorStateList colorState) {
+    public void setKeyguardMessage(String message, ColorStateList colorState,
+            BiometricSourceType biometricSourceType) {
         if (mAlternateBouncerInteractor.isVisibleState()) {
             if (mKeyguardMessageAreaController != null) {
                 DeviceEntryUdfpsRefactor.assertInLegacyMode();
-                mKeyguardMessageAreaController.setMessage(message);
+                mKeyguardMessageAreaController.setMessage(message, biometricSourceType);
             }
         } else {
             mPrimaryBouncerInteractor.showMessage(message, colorState);
diff --git a/packages/SystemUI/src/com/android/systemui/wmshell/BubblesManager.java b/packages/SystemUI/src/com/android/systemui/wmshell/BubblesManager.java
index 65dede8..cb61534 100644
--- a/packages/SystemUI/src/com/android/systemui/wmshell/BubblesManager.java
+++ b/packages/SystemUI/src/com/android/systemui/wmshell/BubblesManager.java
@@ -28,6 +28,7 @@
 import static com.android.server.notification.Flags.screenshareNotificationHiding;
 import static com.android.wm.shell.bubbles.BubbleDebugConfig.TAG_BUBBLES;
 import static com.android.wm.shell.bubbles.BubbleDebugConfig.TAG_WITH_CLASS_NAME;
+import static com.android.wm.shell.protolog.ShellProtoLogGroup.WM_SHELL_BUBBLES;
 
 import android.app.INotificationManager;
 import android.app.Notification;
@@ -50,6 +51,7 @@
 import androidx.annotation.Nullable;
 
 import com.android.internal.annotations.VisibleForTesting;
+import com.android.internal.protolog.common.ProtoLog;
 import com.android.internal.statusbar.IStatusBarService;
 import com.android.systemui.dagger.SysUISingleton;
 import com.android.systemui.flags.FeatureFlags;
@@ -97,6 +99,7 @@
     private final Context mContext;
     private final Bubbles mBubbles;
     private final NotificationShadeWindowController mNotificationShadeWindowController;
+    private final KeyguardStateController mKeyguardStateController;
     private final ShadeController mShadeController;
     private final IStatusBarService mBarService;
     private final INotificationManager mNotificationManager;
@@ -109,6 +112,7 @@
     private final NotifPipeline mNotifPipeline;
     private final NotifPipelineFlags mNotifPipelineFlags;
     private final Executor mSysuiMainExecutor;
+    private final Executor mSysuiUiBgExecutor;
 
     private final Bubbles.SysuiProxy mSysuiProxy;
     // TODO (b/145659174): allow for multiple callbacks to support the "shadow" new notif pipeline
@@ -116,6 +120,8 @@
     private final StatusBarWindowCallback mStatusBarWindowCallback;
     private final Runnable mSensitiveStateChangedListener;
     private boolean mPanelExpanded;
+    private boolean mKeyguardShowing;
+    private boolean mDreamingOrInPreview;
 
     /**
      * Creates {@link BubblesManager}, returns {@code null} if Optional {@link Bubbles} not present
@@ -140,7 +146,8 @@
             SysUiState sysUiState,
             FeatureFlags featureFlags,
             NotifPipelineFlags notifPipelineFlags,
-            Executor sysuiMainExecutor) {
+            Executor sysuiMainExecutor,
+            Executor sysuiUiBgExecutor) {
         if (bubblesOptional.isPresent()) {
             return new BubblesManager(context,
                     bubblesOptional.get(),
@@ -160,7 +167,8 @@
                     sysUiState,
                     featureFlags,
                     notifPipelineFlags,
-                    sysuiMainExecutor);
+                    sysuiMainExecutor,
+                    sysuiUiBgExecutor);
         } else {
             return null;
         }
@@ -185,10 +193,12 @@
             SysUiState sysUiState,
             FeatureFlags featureFlags,
             NotifPipelineFlags notifPipelineFlags,
-            Executor sysuiMainExecutor) {
+            Executor sysuiMainExecutor,
+            Executor sysuiUiBgExecutor) {
         mContext = context;
         mBubbles = bubbles;
         mNotificationShadeWindowController = notificationShadeWindowController;
+        mKeyguardStateController = keyguardStateController;
         mShadeController = shadeController;
         mNotificationManager = notificationManager;
         mDreamManager = dreamManager;
@@ -200,6 +210,7 @@
         mNotifPipeline = notifPipeline;
         mNotifPipelineFlags = notifPipelineFlags;
         mSysuiMainExecutor = sysuiMainExecutor;
+        mSysuiUiBgExecutor = sysuiUiBgExecutor;
 
         mBarService = statusBarService == null
                 ? IStatusBarService.Stub.asInterface(
@@ -208,12 +219,11 @@
 
         setupNotifPipeline();
 
-        keyguardStateController.addCallback(new KeyguardStateController.Callback() {
+        // TODO(b/327410864): use KeyguardTransitionInteractor to listen for keyguard changes
+        mKeyguardStateController.addCallback(new KeyguardStateController.Callback() {
             @Override
             public void onKeyguardShowingChanged() {
-                boolean isUnlockedShade = !keyguardStateController.isShowing()
-                        && !isDreamingOrInPreview();
-                bubbles.onStatusBarStateChanged(isUnlockedShade);
+                updateKeyguardAndDreamingState();
             }
         });
 
@@ -256,6 +266,14 @@
                         mPanelExpanded = panelExpanded;
                         mBubbles.onNotificationPanelExpandedChanged(panelExpanded);
                     }
+                    if (!mKeyguardShowing && mDreamingOrInPreview && !isDreaming) {
+                        // We check for dreaming state changes when keyguard status changes.
+                        // This causes us to miss events if dreaming state changes after keyguard.
+                        // Add a check here for the case where keyguard is dismissed before
+                        // dreaming state changes. Otherwise bubbles remain invisible.
+                        // TODO(b/327410864): use KeyguardTransitionInteractor for dreaming changes
+                        updateKeyguardAndDreamingState();
+                    }
                 };
         notificationShadeWindowController.registerCallback(mStatusBarWindowCallback);
 
@@ -395,6 +413,19 @@
         mBubbles.setSysuiProxy(mSysuiProxy);
     }
 
+    private void updateKeyguardAndDreamingState() {
+        mSysuiUiBgExecutor.execute(() -> {
+            mKeyguardShowing = mKeyguardStateController.isShowing();
+            mDreamingOrInPreview = isDreamingOrInPreview();
+            boolean isUnlockedShade = !mKeyguardShowing && !mDreamingOrInPreview;
+            ProtoLog.d(WM_SHELL_BUBBLES,
+                    "handleKeyguardOrDreamChange isUnlockedShade=%b keyguardShowing=%b "
+                            + "dreamingOrInPreview=%b",
+                    isUnlockedShade, mKeyguardShowing, mDreamingOrInPreview);
+            mBubbles.onStatusBarStateChanged(isUnlockedShade);
+        });
+    }
+
     private boolean isDreamingOrInPreview() {
         try {
             return mDreamManager.isDreamingOrInPreview();
diff --git a/packages/SystemUI/tests/src/com/android/keyguard/KeyguardMessageAreaControllerTest.java b/packages/SystemUI/tests/src/com/android/keyguard/KeyguardMessageAreaControllerTest.java
index d4522d0..93e7602 100644
--- a/packages/SystemUI/tests/src/com/android/keyguard/KeyguardMessageAreaControllerTest.java
+++ b/packages/SystemUI/tests/src/com/android/keyguard/KeyguardMessageAreaControllerTest.java
@@ -19,11 +19,14 @@
 import static com.google.common.truth.Truth.assertThat;
 
 import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.ArgumentMatchers.anyBoolean;
 import static org.mockito.ArgumentMatchers.anyLong;
 import static org.mockito.ArgumentMatchers.eq;
+import static org.mockito.Mockito.never;
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
 
+import android.hardware.biometrics.BiometricSourceType;
 import android.test.suitebuilder.annotation.SmallTest;
 import android.testing.AndroidTestingRunner;
 import android.testing.TestableLooper;
@@ -119,4 +122,51 @@
         when(mKeyguardMessageArea.getText()).thenReturn(msg);
         assertThat(mMessageAreaController.getMessage()).isEqualTo(msg);
     }
+
+    @Test
+    public void testFingerprintMessageUpdate() {
+        String msg = "fpMessage";
+        mMessageAreaController.setMessage(
+                msg, BiometricSourceType.FINGERPRINT
+        );
+        verify(mKeyguardMessageArea).setMessage(msg, /* animate= */ true);
+
+        String msg2 = "fpMessage2";
+        mMessageAreaController.setMessage(
+                msg2, BiometricSourceType.FINGERPRINT
+        );
+        verify(mKeyguardMessageArea).setMessage(msg2, /* animate= */ true);
+    }
+
+    @Test
+    public void testFaceMessageDroppedWhileFingerprintMessageShowing() {
+        String fpMsg = "fpMessage";
+        mMessageAreaController.setMessage(
+                fpMsg, BiometricSourceType.FINGERPRINT
+        );
+        verify(mKeyguardMessageArea).setMessage(eq(fpMsg), /* animate= */ anyBoolean());
+
+        String faceMessage = "faceMessage";
+        mMessageAreaController.setMessage(
+                faceMessage, BiometricSourceType.FACE
+        );
+        verify(mKeyguardMessageArea, never())
+                .setMessage(eq(faceMessage), /* animate= */ anyBoolean());
+    }
+
+    @Test
+    public void testGenericMessageShowsAfterFingerprintMessageShowing() {
+        String fpMsg = "fpMessage";
+        mMessageAreaController.setMessage(
+                fpMsg, BiometricSourceType.FINGERPRINT
+        );
+        verify(mKeyguardMessageArea).setMessage(eq(fpMsg), /* animate= */ anyBoolean());
+
+        String genericMessage = "genericMessage";
+        mMessageAreaController.setMessage(
+                genericMessage, null
+        );
+        verify(mKeyguardMessageArea)
+                .setMessage(eq(genericMessage), /* animate= */ anyBoolean());
+    }
 }
diff --git a/packages/SystemUI/tests/src/com/android/systemui/biometrics/AuthContainerViewTest.kt b/packages/SystemUI/tests/src/com/android/systemui/biometrics/AuthContainerViewTest.kt
index 2c1a87d..10b86ea 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/biometrics/AuthContainerViewTest.kt
+++ b/packages/SystemUI/tests/src/com/android/systemui/biometrics/AuthContainerViewTest.kt
@@ -21,8 +21,8 @@
 import android.hardware.biometrics.BiometricConstants
 import android.hardware.biometrics.BiometricManager
 import android.hardware.biometrics.Flags.FLAG_CUSTOM_BIOMETRIC_PROMPT
-import android.hardware.biometrics.Flags.customBiometricPrompt
 import android.hardware.biometrics.PromptInfo
+import android.hardware.biometrics.PromptVerticalListContentView
 import android.hardware.face.FaceSensorPropertiesInternal
 import android.hardware.fingerprint.FingerprintSensorPropertiesInternal
 import android.os.Handler
@@ -40,7 +40,6 @@
 import androidx.test.filters.SmallTest
 import com.android.internal.jank.InteractionJankMonitor
 import com.android.internal.widget.LockPatternUtils
-import com.android.systemui.Flags.FLAG_CONSTRAINT_BP
 import com.android.systemui.SysuiTestCase
 import com.android.systemui.biometrics.data.repository.FakeDisplayStateRepository
 import com.android.systemui.biometrics.data.repository.FakeFingerprintPropertyRepository
@@ -148,8 +147,6 @@
 
     @Before
     fun setup() {
-        mSetFlagsRule.disableFlags(FLAG_CUSTOM_BIOMETRIC_PROMPT)
-        mSetFlagsRule.disableFlags(FLAG_CONSTRAINT_BP)
         displayRepository = FakeDisplayRepository()
 
         displayStateInteractor =
@@ -388,9 +385,10 @@
     }
 
     @Test
-    fun testShowCredentialUI() {
+    fun testShowCredentialUI_withDescription() {
+        mSetFlagsRule.disableFlags(FLAG_CUSTOM_BIOMETRIC_PROMPT)
         val container = initializeFingerprintContainer(
-            authenticators = BiometricManager.Authenticators.DEVICE_CREDENTIAL
+                authenticators = BiometricManager.Authenticators.DEVICE_CREDENTIAL
         )
         waitForIdleSync()
 
@@ -399,16 +397,12 @@
     }
 
     @Test
-    fun testShowBiometricUIWhenCustomBpEnabledAndNoSensors() {
-        mSetFlagsRule.enableFlags(FLAG_CUSTOM_BIOMETRIC_PROMPT)
+    fun testShowCredentialUI_withCustomBp() {
         val container = initializeFingerprintContainer(
-                authenticators = BiometricManager.Authenticators.DEVICE_CREDENTIAL
+                authenticators = BiometricManager.Authenticators.DEVICE_CREDENTIAL,
+                isUsingContentView = true
         )
-        waitForIdleSync()
-
-        assertThat(customBiometricPrompt()).isTrue()
-        assertThat(container.hasBiometricPrompt()).isTrue()
-        assertThat(container.hasCredentialView()).isFalse()
+        checkBpShowsForCredentialAndGoToCredential(container)
     }
 
     @Test
@@ -512,11 +506,13 @@
 
     private fun initializeFingerprintContainer(
         authenticators: Int = BiometricManager.Authenticators.BIOMETRIC_WEAK,
-        addToView: Boolean = true
+        addToView: Boolean = true,
+        isUsingContentView: Boolean = false,
     ) = initializeContainer(
         TestAuthContainerView(
             authenticators = authenticators,
-            fingerprintProps = fingerprintSensorPropertiesInternal()
+            fingerprintProps = fingerprintSensorPropertiesInternal(),
+                isUsingContentView = isUsingContentView,
         ),
         addToView
     )
@@ -549,7 +545,8 @@
     private inner class TestAuthContainerView(
         authenticators: Int = BiometricManager.Authenticators.BIOMETRIC_WEAK,
         fingerprintProps: List<FingerprintSensorPropertiesInternal> = listOf(),
-        faceProps: List<FaceSensorPropertiesInternal> = listOf()
+        faceProps: List<FaceSensorPropertiesInternal> = listOf(),
+        isUsingContentView: Boolean = false,
     ) : AuthContainerView(
         Config().apply {
             mContext = this@AuthContainerViewTest.context
@@ -559,6 +556,9 @@
             mSkipAnimation = true
             mPromptInfo = PromptInfo().apply {
                 this.authenticators = authenticators
+                if (isUsingContentView) {
+                    this.contentView = PromptVerticalListContentView.Builder().build()
+                }
             }
             mOpPackageName = OP_PACKAGE_NAME
         },
@@ -614,6 +614,17 @@
         val layoutParams = AuthContainerView.getLayoutParams(windowToken, "")
         assertThat((layoutParams.fitInsetsTypes and WindowInsets.Type.systemBars()) == 0).isTrue()
     }
+
+    private fun checkBpShowsForCredentialAndGoToCredential(container: TestAuthContainerView) {
+        waitForIdleSync()
+        assertThat(container.hasBiometricPrompt()).isTrue()
+        assertThat(container.hasCredentialView()).isFalse()
+
+        container.animateToCredentialUI(false)
+        waitForIdleSync()
+        assertThat(container.hasBiometricPrompt()).isFalse()
+        assertThat(container.hasCredentialView()).isTrue()
+    }
 }
 
 private fun AuthContainerView.hasBiometricPrompt() =
diff --git a/packages/SystemUI/tests/src/com/android/systemui/biometrics/data/repository/PromptRepositoryImplTest.kt b/packages/SystemUI/tests/src/com/android/systemui/biometrics/data/repository/PromptRepositoryImplTest.kt
index b39e09d..7b972d3 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/biometrics/data/repository/PromptRepositoryImplTest.kt
+++ b/packages/SystemUI/tests/src/com/android/systemui/biometrics/data/repository/PromptRepositoryImplTest.kt
@@ -16,7 +16,9 @@
 
 package com.android.systemui.biometrics.data.repository
 
+import android.hardware.biometrics.BiometricManager
 import android.hardware.biometrics.PromptInfo
+import android.hardware.biometrics.PromptVerticalListContentView
 import androidx.test.filters.SmallTest
 import com.android.systemui.SysuiTestCase
 import com.android.systemui.biometrics.AuthController
@@ -131,6 +133,52 @@
         }
 
     @Test
+    fun showBpWithoutIconForCredential_withCustomBp() =
+        testScope.runTest {
+            for (case in
+                listOf(
+                    PromptKind.Biometric(),
+                    PromptKind.Pin,
+                    PromptKind.Password,
+                    PromptKind.Pattern
+                )) {
+                val hasCredentialViewShown = case !is PromptKind.Biometric
+                val promptInfo =
+                    PromptInfo().apply {
+                        authenticators = BiometricManager.Authenticators.DEVICE_CREDENTIAL
+                        contentView = PromptVerticalListContentView.Builder().build()
+                    }
+                repository.setPrompt(promptInfo, USER_ID, CHALLENGE, case, OP_PACKAGE_NAME)
+                repository.setShouldShowBpWithoutIconForCredential(promptInfo)
+
+                assertThat(repository.showBpWithoutIconForCredential.value)
+                    .isEqualTo(!hasCredentialViewShown)
+            }
+        }
+
+    @Test
+    fun showBpWithoutIconForCredential_withDescription() =
+        testScope.runTest {
+            for (case in
+                listOf(
+                    PromptKind.Biometric(),
+                    PromptKind.Pin,
+                    PromptKind.Password,
+                    PromptKind.Pattern
+                )) {
+                val promptInfo =
+                    PromptInfo().apply {
+                        authenticators = BiometricManager.Authenticators.DEVICE_CREDENTIAL
+                        description = "description"
+                    }
+                repository.setPrompt(promptInfo, USER_ID, CHALLENGE, case, OP_PACKAGE_NAME)
+                repository.setShouldShowBpWithoutIconForCredential(promptInfo)
+
+                assertThat(repository.showBpWithoutIconForCredential.value).isFalse()
+            }
+        }
+
+    @Test
     fun setsAndUnsetsPrompt() =
         testScope.runTest {
             val kind = PromptKind.Pin
diff --git a/packages/SystemUI/tests/src/com/android/systemui/biometrics/domain/interactor/PromptSelectorInteractorImplTest.kt b/packages/SystemUI/tests/src/com/android/systemui/biometrics/domain/interactor/PromptSelectorInteractorImplTest.kt
index 52b4275..2817780 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/biometrics/domain/interactor/PromptSelectorInteractorImplTest.kt
+++ b/packages/SystemUI/tests/src/com/android/systemui/biometrics/domain/interactor/PromptSelectorInteractorImplTest.kt
@@ -147,7 +147,7 @@
         testScope.runTest { useCredentialAndReset(Utils.CREDENTIAL_PIN) }
 
     @Test
-    fun usePattermCredentialAndReset() =
+    fun usePatternCredentialAndReset() =
         testScope.runTest { useCredentialAndReset(Utils.CREDENTIAL_PATTERN) }
 
     @Test
diff --git a/packages/SystemUI/tests/src/com/android/systemui/keyguard/domain/interactor/FromLockscreenTransitionInteractorTest.kt b/packages/SystemUI/tests/src/com/android/systemui/keyguard/domain/interactor/FromLockscreenTransitionInteractorTest.kt
index 6d8e7aa..6aebe36 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/keyguard/domain/interactor/FromLockscreenTransitionInteractorTest.kt
+++ b/packages/SystemUI/tests/src/com/android/systemui/keyguard/domain/interactor/FromLockscreenTransitionInteractorTest.kt
@@ -126,7 +126,7 @@
             keyguardRepository.setKeyguardDismissible(true)
             runCurrent()
             shadeRepository.setCurrentFling(
-                FlingInfo(expand = true) // Not a dismiss fling (expand = true).
+                FlingInfo(expand = false) // Is a dismiss fling upward (expand = false).
             )
             runCurrent()
 
@@ -153,4 +153,22 @@
 
             assertThatRepository(transitionRepository).noTransitionsStarted()
         }
+
+    @Test
+    @DisableFlags(Flags.FLAG_KEYGUARD_WM_STATE_REFACTOR)
+    fun testDoesNotTransitionToGone_whenDismissFling_emitsNull() =
+        testScope.runTest {
+            underTest.start()
+            verify(transitionRepository, never()).startTransition(any())
+
+            keyguardRepository.setKeyguardDismissible(true)
+            runCurrent()
+
+            // The fling is null when it a) initializes b) ends and in either case we should not
+            // swipe to unlock.
+            shadeRepository.setCurrentFling(null)
+            runCurrent()
+
+            assertThatRepository(transitionRepository).noTransitionsStarted()
+        }
 }
diff --git a/packages/SystemUI/tests/src/com/android/systemui/statusbar/KeyguardIndicationControllerTest.java b/packages/SystemUI/tests/src/com/android/systemui/statusbar/KeyguardIndicationControllerTest.java
index aa53558..1504d4c 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/statusbar/KeyguardIndicationControllerTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/statusbar/KeyguardIndicationControllerTest.java
@@ -92,6 +92,21 @@
 @TestableLooper.RunWithLooper
 public class KeyguardIndicationControllerTest extends KeyguardIndicationControllerBaseTest {
     @Test
+    public void afterFaceLockout_skipShowingFaceNotRecognized() {
+        createController();
+        onFaceLockoutError("lockout");
+        verifyIndicationShown(INDICATION_TYPE_BIOMETRIC_MESSAGE, "lockout");
+        clearInvocations(mRotateTextViewController);
+
+        // WHEN face sends an onBiometricHelp BIOMETRIC_HELP_FACE_NOT_RECOGNIZED (face fail)
+        mKeyguardUpdateMonitorCallback.onBiometricHelp(
+                BIOMETRIC_HELP_FACE_NOT_RECOGNIZED,
+                "Face not recognized",
+                BiometricSourceType.FACE);
+        verifyNoMessage(INDICATION_TYPE_BIOMETRIC_MESSAGE); // no updated message
+    }
+
+    @Test
     public void createController_setIndicationAreaAgain_destroysPreviousRotateTextViewController() {
         // GIVEN a controller with a mocked rotate text view controlller
         final KeyguardIndicationRotateTextViewController mockedRotateTextViewController =
@@ -593,7 +608,7 @@
         mController.getKeyguardCallback().onBiometricError(FACE_ERROR_TIMEOUT,
                 "A message", BiometricSourceType.FACE);
 
-        verify(mStatusBarKeyguardViewManager).setKeyguardMessage(eq(message), any());
+        verify(mStatusBarKeyguardViewManager).setKeyguardMessage(eq(message), any(), any());
     }
 
     @Test
@@ -608,7 +623,8 @@
         mController.getKeyguardCallback().onBiometricError(FACE_ERROR_TIMEOUT,
                 "A message", BiometricSourceType.FACE);
 
-        verify(mStatusBarKeyguardViewManager, never()).setKeyguardMessage(eq(message), any());
+        verify(mStatusBarKeyguardViewManager, never()).setKeyguardMessage(
+                eq(message), any(), any());
     }
 
     @Test
@@ -1242,7 +1258,7 @@
     public void onBiometricFailed_resetFaceHelpMessageDeferral() {
         createController();
 
-        // WHEN face sends an onBiometricHelp BIOMETRIC_HELP_FACE_NOT_RECOGNIZED
+        // WHEN face sends an onBiometricAuthFailed
         mKeyguardUpdateMonitorCallback.onBiometricAuthFailed(BiometricSourceType.FACE);
 
         // THEN face help message deferral is reset
@@ -1331,7 +1347,9 @@
         verify(mStatusBarKeyguardViewManager)
                 .setKeyguardMessage(
                         eq(mContext.getString(R.string.keyguard_face_unlock_unavailable)),
-                        any());
+                        any(),
+                        any()
+                );
     }
 
     @Test
@@ -1471,6 +1489,71 @@
                 mContext.getString(R.string.keyguard_suggest_fingerprint));
     }
 
+    @Test
+    public void faceErrorMessageDroppedBecauseFingerprintMessageShowing() {
+        createController();
+        mController.setVisible(true);
+        mController.getKeyguardCallback().onBiometricHelp(BIOMETRIC_HELP_FINGERPRINT_NOT_RECOGNIZED,
+                "fp not recognized", BiometricSourceType.FINGERPRINT);
+        clearInvocations(mRotateTextViewController);
+
+        onFaceLockoutError("lockout");
+        verifyNoMessage(INDICATION_TYPE_BIOMETRIC_MESSAGE);
+    }
+
+    @Test
+    public void faceUnlockedMessageShowsEvenWhenFingerprintMessageShowing() {
+        createController();
+        mController.setVisible(true);
+        mController.getKeyguardCallback().onBiometricHelp(BIOMETRIC_HELP_FINGERPRINT_NOT_RECOGNIZED,
+                "fp not recognized", BiometricSourceType.FINGERPRINT);
+        clearInvocations(mRotateTextViewController);
+
+        when(mKeyguardUpdateMonitor.getIsFaceAuthenticated()).thenReturn(true);
+        when(mKeyguardUpdateMonitor.getUserCanSkipBouncer(getCurrentUser()))
+                .thenReturn(true);
+        mController.getKeyguardCallback().onBiometricAuthenticated(0,
+                BiometricSourceType.FACE, false);
+        verifyIndicationMessage(
+                INDICATION_TYPE_BIOMETRIC_MESSAGE,
+                mContext.getString(R.string.keyguard_face_successful_unlock));
+    }
+
+    @Test
+    public void onTrustAgentErrorMessageDroppedBecauseFingerprintMessageShowing() {
+        createController();
+        mController.setVisible(true);
+        mController.getKeyguardCallback().onBiometricHelp(BIOMETRIC_HELP_FINGERPRINT_NOT_RECOGNIZED,
+                "fp not recognized", BiometricSourceType.FINGERPRINT);
+        clearInvocations(mRotateTextViewController);
+
+        mKeyguardUpdateMonitorCallback.onTrustAgentErrorMessage("testMessage");
+        verifyNoMessage(INDICATION_TYPE_TRUST);
+        verifyNoMessage(INDICATION_TYPE_BIOMETRIC_MESSAGE);
+    }
+
+    @Test
+    public void trustGrantedMessageShowsEvenWhenFingerprintMessageShowing() {
+        createController();
+        mController.setVisible(true);
+        mController.getKeyguardCallback().onBiometricHelp(BIOMETRIC_HELP_FINGERPRINT_NOT_RECOGNIZED,
+                "fp not recognized", BiometricSourceType.FINGERPRINT);
+        clearInvocations(mRotateTextViewController);
+
+        // GIVEN trust is granted
+        when(mKeyguardUpdateMonitor.getUserHasTrust(anyInt())).thenReturn(true);
+
+        // WHEN the showTrustGranted method is called
+        final String trustGrantedMsg = "testing trust granted message after fp message";
+        mController.getKeyguardCallback().onTrustGrantedForCurrentUser(
+                false, false, new TrustGrantFlags(0), trustGrantedMsg);
+
+        // THEN verify the trust granted message shows
+        verifyIndicationMessage(
+                INDICATION_TYPE_TRUST,
+                trustGrantedMsg);
+    }
+
     private void screenIsTurningOn() {
         when(mScreenLifecycle.getScreenState()).thenReturn(SCREEN_TURNING_ON);
     }
diff --git a/packages/SystemUI/tests/src/com/android/systemui/statusbar/phone/StatusBarKeyguardViewManagerTest.java b/packages/SystemUI/tests/src/com/android/systemui/statusbar/phone/StatusBarKeyguardViewManagerTest.java
index bd7406a..3666248 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/statusbar/phone/StatusBarKeyguardViewManagerTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/statusbar/phone/StatusBarKeyguardViewManagerTest.java
@@ -97,6 +97,7 @@
 import com.android.systemui.statusbar.policy.ConfigurationController;
 import com.android.systemui.unfold.SysUIUnfoldComponent;
 import com.android.systemui.user.domain.interactor.SelectedUserInteractor;
+import com.android.systemui.util.kotlin.JavaAdapter;
 
 import com.google.common.truth.Truth;
 
@@ -222,7 +223,8 @@
                         () -> mock(WindowManagerLockscreenVisibilityInteractor.class),
                         () -> mock(KeyguardDismissActionInteractor.class),
                         mSelectedUserInteractor,
-                        () -> mock(KeyguardSurfaceBehindInteractor.class)) {
+                        () -> mock(KeyguardSurfaceBehindInteractor.class),
+                        mock(JavaAdapter.class)) {
                     @Override
                     public ViewRootImpl getViewRootImpl() {
                         return mViewRootImpl;
@@ -730,7 +732,8 @@
                         () -> mock(WindowManagerLockscreenVisibilityInteractor.class),
                         () -> mock(KeyguardDismissActionInteractor.class),
                         mSelectedUserInteractor,
-                        () -> mock(KeyguardSurfaceBehindInteractor.class)) {
+                        () -> mock(KeyguardSurfaceBehindInteractor.class),
+                        mock(JavaAdapter.class)) {
                     @Override
                     public ViewRootImpl getViewRootImpl() {
                         return mViewRootImpl;
diff --git a/packages/SystemUI/tests/src/com/android/systemui/wmshell/BubblesTest.java b/packages/SystemUI/tests/src/com/android/systemui/wmshell/BubblesTest.java
index a930860..fbefb0e 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/wmshell/BubblesTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/wmshell/BubblesTest.java
@@ -609,6 +609,7 @@
                 mSysUiState,
                 mFeatureFlags,
                 mNotifPipelineFlags,
+                syncExecutor,
                 syncExecutor);
         mBubblesManager.addNotifCallback(mNotifCallback);
 
@@ -651,7 +652,7 @@
     }
 
     @Test
-    public void dreamingHidesBubbles() throws RemoteException {
+    public void bubblesHiddenWhileDreaming() throws RemoteException {
         mBubbleController.updateBubble(mBubbleEntry);
         assertTrue(mBubbleController.hasBubbles());
         assertThat(mBubbleController.getStackView().getVisibility()).isEqualTo(View.VISIBLE);
@@ -662,7 +663,17 @@
                 mKeyguardStateControllerCallbackCaptor.getValue();
         callback.onKeyguardShowingChanged();
 
+        // Dreaming should hide bubbles
         assertThat(mBubbleController.getStackView().getVisibility()).isEqualTo(View.INVISIBLE);
+
+        // Finish dreaming should show bubbles
+        mNotificationShadeWindowController.setDreaming(false);
+        when(mIDreamManager.isDreamingOrInPreview()).thenReturn(false); // dreaming finished
+
+        // Dreaming updates come through mNotificationShadeWindowController
+        mNotificationShadeWindowController.notifyStateChangedCallbacks();
+
+        assertThat(mBubbleController.getStackView().getVisibility()).isEqualTo(View.VISIBLE);
     }
 
     @Test
diff --git a/packages/SystemUI/tests/utils/src/com/android/systemui/biometrics/data/repository/FakePromptRepository.kt b/packages/SystemUI/tests/utils/src/com/android/systemui/biometrics/data/repository/FakePromptRepository.kt
index f192de2..c3af437 100644
--- a/packages/SystemUI/tests/utils/src/com/android/systemui/biometrics/data/repository/FakePromptRepository.kt
+++ b/packages/SystemUI/tests/utils/src/com/android/systemui/biometrics/data/repository/FakePromptRepository.kt
@@ -1,6 +1,8 @@
 package com.android.systemui.biometrics.data.repository
 
+import android.hardware.biometrics.Flags
 import android.hardware.biometrics.PromptInfo
+import com.android.systemui.biometrics.Utils
 import com.android.systemui.biometrics.shared.model.PromptKind
 import kotlinx.coroutines.flow.MutableStateFlow
 import kotlinx.coroutines.flow.asStateFlow
@@ -26,6 +28,9 @@
     private val _isConfirmationRequired = MutableStateFlow(false)
     override val isConfirmationRequired = _isConfirmationRequired.asStateFlow()
 
+    private val _showBpWithoutIconForCredential = MutableStateFlow(false)
+    override val showBpWithoutIconForCredential = _showBpWithoutIconForCredential.asStateFlow()
+
     private val _opPackageName: MutableStateFlow<String?> = MutableStateFlow(null)
     override val opPackageName = _opPackageName.asStateFlow()
 
@@ -69,6 +74,16 @@
         _isConfirmationRequired.value = false
     }
 
+    override fun setShouldShowBpWithoutIconForCredential(promptInfo: PromptInfo) {
+        val hasCredentialViewShown = kind.value !is PromptKind.Biometric
+        val showBpForCredential =
+            Flags.customBiometricPrompt() &&
+                !Utils.isBiometricAllowed(promptInfo) &&
+                Utils.isDeviceCredentialAllowed(promptInfo) &&
+                promptInfo.contentView != null
+        _showBpWithoutIconForCredential.value = showBpForCredential && !hasCredentialViewShown
+    }
+
     fun setIsShowing(showing: Boolean) {
         _isShowing.value = showing
     }
diff --git a/packages/SystemUI/tests/utils/src/com/android/systemui/keyguard/ui/viewmodel/LockscreenContentViewModelKosmos.kt b/packages/SystemUI/tests/utils/src/com/android/systemui/keyguard/ui/viewmodel/LockscreenContentViewModelKosmos.kt
index 96de4ba..8da5dd4 100644
--- a/packages/SystemUI/tests/utils/src/com/android/systemui/keyguard/ui/viewmodel/LockscreenContentViewModelKosmos.kt
+++ b/packages/SystemUI/tests/utils/src/com/android/systemui/keyguard/ui/viewmodel/LockscreenContentViewModelKosmos.kt
@@ -20,6 +20,7 @@
 import com.android.systemui.keyguard.domain.interactor.keyguardBlueprintInteractor
 import com.android.systemui.keyguard.domain.interactor.keyguardClockInteractor
 import com.android.systemui.kosmos.Kosmos
+import com.android.systemui.statusbar.policy.splitShadeStateController
 
 val Kosmos.lockscreenContentViewModel by
     Kosmos.Fixture {
@@ -28,5 +29,6 @@
             interactor = keyguardBlueprintInteractor,
             authController = authController,
             longPress = keyguardLongPressViewModel,
+            splitShadeStateController = splitShadeStateController,
         )
     }
diff --git a/services/core/java/com/android/server/biometrics/sensors/face/aidl/FaceProvider.java b/services/core/java/com/android/server/biometrics/sensors/face/aidl/FaceProvider.java
index 007b746..fb826c8 100644
--- a/services/core/java/com/android/server/biometrics/sensors/face/aidl/FaceProvider.java
+++ b/services/core/java/com/android/server/biometrics/sensors/face/aidl/FaceProvider.java
@@ -24,6 +24,7 @@
 import android.app.TaskStackListener;
 import android.content.Context;
 import android.content.pm.UserInfo;
+import android.hardware.biometrics.BiometricAuthenticator;
 import android.hardware.biometrics.BiometricFaceConstants;
 import android.hardware.biometrics.BiometricsProtoEnums;
 import android.hardware.biometrics.ComponentInfoInternal;
@@ -39,6 +40,7 @@
 import android.hardware.face.FaceSensorPropertiesInternal;
 import android.hardware.face.IFaceServiceReceiver;
 import android.os.Binder;
+import android.os.Build;
 import android.os.Handler;
 import android.os.IBinder;
 import android.os.Looper;
@@ -64,6 +66,7 @@
 import com.android.server.biometrics.sensors.BaseClientMonitor;
 import com.android.server.biometrics.sensors.BiometricScheduler;
 import com.android.server.biometrics.sensors.BiometricStateCallback;
+import com.android.server.biometrics.sensors.BiometricUtils;
 import com.android.server.biometrics.sensors.ClientMonitorCallback;
 import com.android.server.biometrics.sensors.ClientMonitorCallbackConverter;
 import com.android.server.biometrics.sensors.ClientMonitorCompositeCallback;
@@ -359,6 +362,17 @@
                     null /* callback */);
         }
 
+        if (Build.isDebuggable()) {
+            BiometricUtils<Face> utils = FaceUtils.getInstance(
+                    mFaceSensors.keyAt(0));
+            for (UserInfo user : UserManager.get(mContext).getAliveUsers()) {
+                List<Face> enrollments = utils.getBiometricsForUser(mContext, user.id);
+                Slog.d(getTag(), "Expecting enrollments for user " + user.id + ": "
+                        + enrollments.stream().map(
+                        BiometricAuthenticator.Identifier::getBiometricId).toList());
+            }
+        }
+
         return mDaemon;
     }
 
diff --git a/services/core/java/com/android/server/biometrics/sensors/fingerprint/aidl/FingerprintProvider.java b/services/core/java/com/android/server/biometrics/sensors/fingerprint/aidl/FingerprintProvider.java
index a104cf4..c04c47e 100644
--- a/services/core/java/com/android/server/biometrics/sensors/fingerprint/aidl/FingerprintProvider.java
+++ b/services/core/java/com/android/server/biometrics/sensors/fingerprint/aidl/FingerprintProvider.java
@@ -27,6 +27,7 @@
 import android.content.Context;
 import android.content.pm.UserInfo;
 import android.content.res.TypedArray;
+import android.hardware.biometrics.BiometricAuthenticator;
 import android.hardware.biometrics.BiometricsProtoEnums;
 import android.hardware.biometrics.ComponentInfoInternal;
 import android.hardware.biometrics.IInvalidationCallback;
@@ -46,6 +47,7 @@
 import android.hardware.fingerprint.ISidefpsController;
 import android.hardware.fingerprint.IUdfpsOverlayController;
 import android.os.Binder;
+import android.os.Build;
 import android.os.Handler;
 import android.os.IBinder;
 import android.os.Looper;
@@ -71,6 +73,7 @@
 import com.android.server.biometrics.sensors.BaseClientMonitor;
 import com.android.server.biometrics.sensors.BiometricScheduler;
 import com.android.server.biometrics.sensors.BiometricStateCallback;
+import com.android.server.biometrics.sensors.BiometricUtils;
 import com.android.server.biometrics.sensors.ClientMonitorCallback;
 import com.android.server.biometrics.sensors.ClientMonitorCallbackConverter;
 import com.android.server.biometrics.sensors.ClientMonitorCompositeCallback;
@@ -382,6 +385,17 @@
                     null /* callback */);
         }
 
+        if (Build.isDebuggable()) {
+            BiometricUtils<Fingerprint> utils = FingerprintUtils.getInstance(
+                    mFingerprintSensors.keyAt(0));
+            for (UserInfo user : UserManager.get(mContext).getAliveUsers()) {
+                List<Fingerprint> enrollments = utils.getBiometricsForUser(mContext, user.id);
+                Slog.d(getTag(), "Expecting enrollments for user " + user.id + ": "
+                        + enrollments.stream().map(
+                                BiometricAuthenticator.Identifier::getBiometricId).toList());
+            }
+        }
+
         return mDaemon;
     }
 
diff --git a/services/core/java/com/android/server/locksettings/LockSettingsService.java b/services/core/java/com/android/server/locksettings/LockSettingsService.java
index 9a76ebd..29ea071 100644
--- a/services/core/java/com/android/server/locksettings/LockSettingsService.java
+++ b/services/core/java/com/android/server/locksettings/LockSettingsService.java
@@ -108,7 +108,6 @@
 import android.provider.Settings;
 import android.security.AndroidKeyStoreMaintenance;
 import android.security.Authorization;
-import android.security.KeyStore;
 import android.security.keystore.KeyProperties;
 import android.security.keystore.KeyProtection;
 import android.security.keystore.recovery.KeyChainProtectionParams;
@@ -169,6 +168,7 @@
 import java.security.GeneralSecurityException;
 import java.security.InvalidAlgorithmParameterException;
 import java.security.InvalidKeyException;
+import java.security.KeyStore;
 import java.security.KeyStoreException;
 import java.security.NoSuchAlgorithmException;
 import java.security.SecureRandom;
@@ -292,7 +292,7 @@
     private final IActivityManager mActivityManager;
     private final SyntheticPasswordManager mSpManager;
 
-    private final java.security.KeyStore mJavaKeyStore;
+    private final KeyStore mKeyStore;
     private final RecoverableKeyStoreManager mRecoverableKeyStoreManager;
     private final UnifiedProfilePasswordCache mUnifiedProfilePasswordCache;
 
@@ -564,10 +564,6 @@
             return DeviceStateCache.getInstance();
         }
 
-        public KeyStore getKeyStore() {
-            return KeyStore.getInstance();
-        }
-
         public RecoverableKeyStoreManager getRecoverableKeyStoreManager() {
             return RecoverableKeyStoreManager.getInstance(mContext);
         }
@@ -619,9 +615,9 @@
             return (BiometricManager) mContext.getSystemService(Context.BIOMETRIC_SERVICE);
         }
 
-        public java.security.KeyStore getJavaKeyStore() {
+        public KeyStore getKeyStore() {
             try {
-                java.security.KeyStore ks = java.security.KeyStore.getInstance(
+                KeyStore ks = KeyStore.getInstance(
                         SyntheticPasswordCrypto.androidKeystoreProviderName());
                 ks.load(new AndroidKeyStoreLoadStoreParameter(
                         SyntheticPasswordCrypto.keyNamespace()));
@@ -631,8 +627,7 @@
             }
         }
 
-        public @NonNull UnifiedProfilePasswordCache getUnifiedProfilePasswordCache(
-                java.security.KeyStore ks) {
+        public @NonNull UnifiedProfilePasswordCache getUnifiedProfilePasswordCache(KeyStore ks) {
             return new UnifiedProfilePasswordCache(ks);
         }
 
@@ -654,7 +649,7 @@
     protected LockSettingsService(Injector injector) {
         mInjector = injector;
         mContext = injector.getContext();
-        mJavaKeyStore = injector.getJavaKeyStore();
+        mKeyStore = injector.getKeyStore();
         mRecoverableKeyStoreManager = injector.getRecoverableKeyStoreManager();
         mHandler = injector.getHandler(injector.getServiceThread());
         mStrongAuth = injector.getStrongAuth();
@@ -676,7 +671,7 @@
         mGatekeeperPasswords = new LongSparseArray<>();
 
         mSpManager = injector.getSyntheticPasswordManager(mStorage);
-        mUnifiedProfilePasswordCache = injector.getUnifiedProfilePasswordCache(mJavaKeyStore);
+        mUnifiedProfilePasswordCache = injector.getUnifiedProfilePasswordCache(mKeyStore);
         mBiometricDeferredQueue = new BiometricDeferredQueue(mSpManager, mHandler);
 
         mRebootEscrowManager = injector.getRebootEscrowManager(new RebootEscrowCallbacks(),
@@ -1482,7 +1477,7 @@
         byte[] encryptedPassword = Arrays.copyOfRange(storedData, PROFILE_KEY_IV_SIZE,
                 storedData.length);
         byte[] decryptionResult;
-        SecretKey decryptionKey = (SecretKey) mJavaKeyStore.getKey(
+        SecretKey decryptionKey = (SecretKey) mKeyStore.getKey(
                 PROFILE_KEY_NAME_DECRYPT + userId, null);
 
         Cipher cipher = Cipher.getInstance(KeyProperties.KEY_ALGORITHM_AES + "/"
@@ -1875,9 +1870,10 @@
         }
     }
 
-    private void onPostPasswordChanged(LockscreenCredential newCredential, int userHandle) {
-        updatePasswordHistory(newCredential, userHandle);
-        mContext.getSystemService(TrustManager.class).reportEnabledTrustAgentsChanged(userHandle);
+    private void onPostPasswordChanged(LockscreenCredential newCredential, int userId) {
+        updatePasswordHistory(newCredential, userId);
+        mContext.getSystemService(TrustManager.class).reportEnabledTrustAgentsChanged(userId);
+        sendMainUserCredentialChangedNotificationIfNeeded(userId);
     }
 
     /**
@@ -2076,16 +2072,16 @@
             keyGenerator.init(new SecureRandom());
             SecretKey secretKey = keyGenerator.generateKey();
             try {
-                mJavaKeyStore.setEntry(
+                mKeyStore.setEntry(
                         PROFILE_KEY_NAME_ENCRYPT + profileUserId,
-                        new java.security.KeyStore.SecretKeyEntry(secretKey),
+                        new KeyStore.SecretKeyEntry(secretKey),
                         new KeyProtection.Builder(KeyProperties.PURPOSE_ENCRYPT)
                                 .setBlockModes(KeyProperties.BLOCK_MODE_GCM)
                                 .setEncryptionPaddings(KeyProperties.ENCRYPTION_PADDING_NONE)
                                 .build());
-                mJavaKeyStore.setEntry(
+                mKeyStore.setEntry(
                         PROFILE_KEY_NAME_DECRYPT + profileUserId,
-                        new java.security.KeyStore.SecretKeyEntry(secretKey),
+                        new KeyStore.SecretKeyEntry(secretKey),
                         new KeyProtection.Builder(KeyProperties.PURPOSE_DECRYPT)
                                 .setBlockModes(KeyProperties.BLOCK_MODE_GCM)
                                 .setEncryptionPaddings(KeyProperties.ENCRYPTION_PADDING_NONE)
@@ -2094,7 +2090,7 @@
                                 .setUserAuthenticationValidityDurationSeconds(30)
                                 .build());
                 // Key imported, obtain a reference to it.
-                SecretKey keyStoreEncryptionKey = (SecretKey) mJavaKeyStore.getKey(
+                SecretKey keyStoreEncryptionKey = (SecretKey) mKeyStore.getKey(
                         PROFILE_KEY_NAME_ENCRYPT + profileUserId, null);
                 Cipher cipher = Cipher.getInstance(
                         KeyProperties.KEY_ALGORITHM_AES + "/" + KeyProperties.BLOCK_MODE_GCM + "/"
@@ -2104,7 +2100,7 @@
                 iv = cipher.getIV();
             } finally {
                 // The original key can now be discarded.
-                mJavaKeyStore.deleteEntry(PROFILE_KEY_NAME_ENCRYPT + profileUserId);
+                mKeyStore.deleteEntry(PROFILE_KEY_NAME_ENCRYPT + profileUserId);
             }
         } catch (UnrecoverableKeyException
                 | BadPaddingException | IllegalBlockSizeException | KeyStoreException
@@ -2556,11 +2552,10 @@
         final String encryptAlias = PROFILE_KEY_NAME_ENCRYPT + targetUserId;
         final String decryptAlias = PROFILE_KEY_NAME_DECRYPT + targetUserId;
         try {
-            if (mJavaKeyStore.containsAlias(encryptAlias) ||
-                    mJavaKeyStore.containsAlias(decryptAlias)) {
+            if (mKeyStore.containsAlias(encryptAlias) || mKeyStore.containsAlias(decryptAlias)) {
                 Slogf.i(TAG, "Removing keystore profile key for user %d", targetUserId);
-                mJavaKeyStore.deleteEntry(encryptAlias);
-                mJavaKeyStore.deleteEntry(decryptAlias);
+                mKeyStore.deleteEntry(encryptAlias);
+                mKeyStore.deleteEntry(decryptAlias);
             }
         } catch (KeyStoreException e) {
             // We have tried our best to remove the key.
@@ -3062,7 +3057,6 @@
         setCurrentLskfBasedProtectorId(newProtectorId, userId);
         LockPatternUtils.invalidateCredentialTypeCache();
         synchronizeUnifiedChallengeForProfiles(userId, profilePasswords);
-        sendMainUserCredentialChangedNotificationIfNeeded(userId);
 
         setUserPasswordMetrics(credential, userId);
         mUnifiedProfilePasswordCache.removePassword(userId);
@@ -3457,7 +3451,7 @@
 
     private void dumpKeystoreKeys(IndentingPrintWriter pw) {
         try {
-            final Enumeration<String> aliases = mJavaKeyStore.aliases();
+            final Enumeration<String> aliases = mKeyStore.aliases();
             while (aliases.hasMoreElements()) {
                 pw.println(aliases.nextElement());
             }
diff --git a/services/permission/java/com/android/server/permission/access/permission/PermissionFlags.kt b/services/permission/java/com/android/server/permission/access/permission/PermissionFlags.kt
index b9d89c2..28889de 100644
--- a/services/permission/java/com/android/server/permission/access/permission/PermissionFlags.kt
+++ b/services/permission/java/com/android/server/permission/access/permission/PermissionFlags.kt
@@ -347,7 +347,8 @@
     }
 
     fun isAppOpGranted(flags: Int): Boolean =
-        isPermissionGranted(flags) && !flags.hasBits(APP_OP_REVOKED)
+        isPermissionGranted(flags) && !flags.hasBits(RESTRICTION_REVOKED) &&
+            !flags.hasBits(APP_OP_REVOKED)
 
     fun toApiFlags(flags: Int): Int {
         var apiFlags = 0
diff --git a/services/tests/servicestests/src/com/android/server/locksettings/BaseLockSettingsServiceTests.java b/services/tests/servicestests/src/com/android/server/locksettings/BaseLockSettingsServiceTests.java
index e59b5ea..2ba3969 100644
--- a/services/tests/servicestests/src/com/android/server/locksettings/BaseLockSettingsServiceTests.java
+++ b/services/tests/servicestests/src/com/android/server/locksettings/BaseLockSettingsServiceTests.java
@@ -48,7 +48,6 @@
 import android.os.storage.IStorageManager;
 import android.os.storage.StorageManager;
 import android.provider.Settings;
-import android.security.KeyStore;
 
 import androidx.test.InstrumentationRegistry;
 import androidx.test.runner.AndroidJUnit4;
@@ -102,7 +101,6 @@
     IActivityManager mActivityManager;
     DevicePolicyManager mDevicePolicyManager;
     DevicePolicyManagerInternal mDevicePolicyManagerInternal;
-    KeyStore mKeyStore;
     MockSyntheticPasswordManager mSpManager;
     IAuthSecret mAuthSecretService;
     WindowManagerInternal mMockWindowManager;
@@ -165,7 +163,6 @@
                 new LockSettingsServiceTestable.MockInjector(
                         mContext,
                         mStorage,
-                        mKeyStore,
                         mActivityManager,
                         setUpStorageManagerMock(),
                         mSpManager,
diff --git a/services/tests/servicestests/src/com/android/server/locksettings/LockSettingsServiceTestable.java b/services/tests/servicestests/src/com/android/server/locksettings/LockSettingsServiceTestable.java
index 296d2cb..f9077c4 100644
--- a/services/tests/servicestests/src/com/android/server/locksettings/LockSettingsServiceTestable.java
+++ b/services/tests/servicestests/src/com/android/server/locksettings/LockSettingsServiceTestable.java
@@ -30,7 +30,6 @@
 import android.os.RemoteException;
 import android.os.UserHandle;
 import android.os.storage.IStorageManager;
-import android.security.KeyStore;
 import android.security.keystore.KeyPermanentlyInvalidatedException;
 import android.service.gatekeeper.IGateKeeperService;
 
@@ -41,6 +40,7 @@
 import com.android.server.pm.UserManagerInternal;
 
 import java.io.FileNotFoundException;
+import java.security.KeyStore;
 
 public class LockSettingsServiceTestable extends LockSettingsService {
     private Intent mSavedFrpNotificationIntent = null;
@@ -50,7 +50,6 @@
     public static class MockInjector extends LockSettingsService.Injector {
 
         private LockSettingsStorage mLockSettingsStorage;
-        private KeyStore mKeyStore;
         private IActivityManager mActivityManager;
         private IStorageManager mStorageManager;
         private SyntheticPasswordManager mSpManager;
@@ -62,14 +61,13 @@
         public boolean mIsHeadlessSystemUserMode = false;
         public boolean mIsMainUserPermanentAdmin = false;
 
-        public MockInjector(Context context, LockSettingsStorage storage, KeyStore keyStore,
-                IActivityManager activityManager,
-                IStorageManager storageManager, SyntheticPasswordManager spManager,
-                FakeGsiService gsiService, RecoverableKeyStoreManager recoverableKeyStoreManager,
+        public MockInjector(Context context, LockSettingsStorage storage,
+                IActivityManager activityManager, IStorageManager storageManager,
+                SyntheticPasswordManager spManager, FakeGsiService gsiService,
+                RecoverableKeyStoreManager recoverableKeyStoreManager,
                 UserManagerInternal userManagerInternal, DeviceStateCache deviceStateCache) {
             super(context);
             mLockSettingsStorage = storage;
-            mKeyStore = keyStore;
             mActivityManager = activityManager;
             mStorageManager = storageManager;
             mSpManager = spManager;
@@ -110,11 +108,6 @@
         }
 
         @Override
-        public KeyStore getKeyStore() {
-            return mKeyStore;
-        }
-
-        @Override
         public IStorageManager getStorageManager() {
             return mStorageManager;
         }
@@ -145,8 +138,7 @@
         }
 
         @Override
-        public UnifiedProfilePasswordCache getUnifiedProfilePasswordCache(
-                java.security.KeyStore ks) {
+        public UnifiedProfilePasswordCache getUnifiedProfilePasswordCache(KeyStore ks) {
             return mock(UnifiedProfilePasswordCache.class);
         }
 
diff --git a/services/usb/java/com/android/server/usb/UsbService.java b/services/usb/java/com/android/server/usb/UsbService.java
index 530a39e..0f2c62d 100644
--- a/services/usb/java/com/android/server/usb/UsbService.java
+++ b/services/usb/java/com/android/server/usb/UsbService.java
@@ -53,11 +53,14 @@
 import android.os.UserHandle;
 import android.os.UserManager;
 import android.service.usb.UsbServiceDumpProto;
+import android.util.ArrayMap;
 import android.util.ArraySet;
 import android.util.Slog;
 import android.util.proto.ProtoOutputStream;
 
 import com.android.internal.annotations.GuardedBy;
+import com.android.internal.content.PackageMonitor;
+import com.android.internal.os.BackgroundThread;
 import com.android.internal.util.DumpUtils;
 import com.android.internal.util.IndentingPrintWriter;
 import com.android.internal.util.Preconditions;
@@ -147,6 +150,7 @@
     private final UsbSettingsManager mSettingsManager;
     private final UsbPermissionManager mPermissionManager;
 
+    static final int PACKAGE_MONITOR_OPERATION_ID = 1;
     /**
      * The user id of the current user. There might be several profiles (with separate user ids)
      * per user.
@@ -156,6 +160,10 @@
 
     private final Object mLock = new Object();
 
+    // Key: USB port id
+    // Value: A set of UIDs of requesters who request disabling usb data
+    private final ArrayMap<String, ArraySet<Integer>> mUsbDisableRequesters = new ArrayMap<>();
+
     /**
      * @return the {@link UsbUserSettingsManager} for the given userId
      */
@@ -261,6 +269,10 @@
         if (mDeviceManager != null) {
             mDeviceManager.bootCompleted();
         }
+        if (android.hardware.usb.flags.Flags.enableUsbDataSignalStaking()) {
+            new PackageUninstallMonitor()
+                    .register(mContext, UserHandle.ALL, BackgroundThread.getHandler());
+        }
     }
 
     /** Called when a user is unlocked. */
@@ -873,6 +885,11 @@
         Objects.requireNonNull(callback, "enableUsbData: callback must not be null. opId:"
                 + operationId);
         mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USB, null);
+
+        if (android.hardware.usb.flags.Flags.enableUsbDataSignalStaking()) {
+            if (!shouldUpdateUsbSignaling(portId, enable, Binder.getCallingUid())) return false;
+        }
+
         final long ident = Binder.clearCallingIdentity();
         boolean wait;
         try {
@@ -892,6 +909,31 @@
         return wait;
     }
 
+    /**
+     * If enable = true, exclude UID from update list.
+     * If enable = false, include UID in update list.
+     * Return false if enable = true and the list is empty (no updates).
+     * Return true otherwise (let downstream decide on updates).
+     */
+    private boolean shouldUpdateUsbSignaling(String portId, boolean enable, int uid) {
+        synchronized (mUsbDisableRequesters) {
+            if (!mUsbDisableRequesters.containsKey(portId)) {
+                mUsbDisableRequesters.put(portId, new ArraySet<>());
+            }
+
+            ArraySet<Integer> uidsOfDisableRequesters = mUsbDisableRequesters.get(portId);
+
+            if (enable) {
+                uidsOfDisableRequesters.remove(uid);
+                // re-enable USB port (return true) if there are no other disable requesters
+                return uidsOfDisableRequesters.isEmpty();
+            } else {
+                uidsOfDisableRequesters.add(uid);
+            }
+        }
+        return true;
+    }
+
     @Override
     public void enableUsbDataWhileDocked(String portId, int operationId,
             IUsbOperationInternal callback) {
@@ -1344,4 +1386,26 @@
     private static String removeLastChar(String value) {
         return value.substring(0, value.length() - 1);
     }
+
+    /**
+     * Upon app removal, clear associated UIDs from the mUsbDisableRequesters list
+     * and re-enable USB data signaling if no remaining apps require USB disabling.
+     */
+    private class PackageUninstallMonitor extends PackageMonitor {
+        @Override
+        public void onUidRemoved(int uid) {
+            synchronized (mUsbDisableRequesters) {
+                for (String portId : mUsbDisableRequesters.keySet()) {
+                    ArraySet<Integer> disabledUid = mUsbDisableRequesters.get(portId);
+                    if (disabledUid != null) {
+                        disabledUid.remove(uid);
+                        if (disabledUid.isEmpty()) {
+                            enableUsbData(portId, true, PACKAGE_MONITOR_OPERATION_ID,
+                                    new IUsbOperationInternal.Default());
+                        }
+                    }
+                }
+            }
+        }
+    }
 }