diff --git a/core/java/android/hardware/display/DisplayManager.java b/core/java/android/hardware/display/DisplayManager.java
index 0321e1df..97f6899 100644
--- a/core/java/android/hardware/display/DisplayManager.java
+++ b/core/java/android/hardware/display/DisplayManager.java
@@ -1669,6 +1669,46 @@
     }
 
     /**
+     * Gets the mapping between the doze brightness sensor values and brightness values. The doze
+     * brightness sensor is a light sensor used to determine the brightness while the device is
+     * dozing. Light sensor values are typically integers in the rage of 0-4. The returned values
+     * are between {@link PowerManager#BRIGHTNESS_MIN} and {@link PowerManager#BRIGHTNESS_MAX}, or
+     * -1 meaning that the current brightness should be kept.
+     * <p>
+     * Requires the {@link android.Manifest.permission#CONTROL_DISPLAY_BRIGHTNESS}
+     * permission.
+     * </p>
+     *
+     * @param displayId The ID of the display
+     *
+     * @hide
+     */
+    @RequiresPermission(Manifest.permission.CONTROL_DISPLAY_BRIGHTNESS)
+    @Nullable
+    public float[] getDozeBrightnessSensorValueToBrightness(int displayId) {
+        return mGlobal.getDozeBrightnessSensorValueToBrightness(displayId);
+    }
+
+    /**
+     * Gets the default doze brightness.
+     * The returned values are between {@link PowerManager#BRIGHTNESS_MIN} and
+     * {@link PowerManager#BRIGHTNESS_MAX}.
+     * <p>
+     * Requires the {@link android.Manifest.permission#CONTROL_DISPLAY_BRIGHTNESS}
+     * permission.
+     * </p>
+     *
+     * @param displayId The ID of the display
+     *
+     * @hide
+     */
+    @RequiresPermission(Manifest.permission.CONTROL_DISPLAY_BRIGHTNESS)
+    @FloatRange(from = 0f, to = 1f)
+    public float getDefaultDozeBrightness(int displayId) {
+        return mGlobal.getDefaultDozeBrightness(displayId);
+    }
+
+    /**
      * Listens for changes in available display devices.
      */
     public interface DisplayListener {
diff --git a/core/java/android/hardware/display/DisplayManagerGlobal.java b/core/java/android/hardware/display/DisplayManagerGlobal.java
index e9cd37a..cae33d0 100644
--- a/core/java/android/hardware/display/DisplayManagerGlobal.java
+++ b/core/java/android/hardware/display/DisplayManagerGlobal.java
@@ -21,6 +21,7 @@
 import static android.view.Display.HdrCapabilities.HdrType;
 
 import android.Manifest;
+import android.annotation.FloatRange;
 import android.annotation.IntDef;
 import android.annotation.NonNull;
 import android.annotation.Nullable;
@@ -1226,6 +1227,32 @@
         }
     }
 
+    /**
+     * @see DisplayManager#getDozeBrightnessSensorValueToBrightness
+     */
+    @RequiresPermission(Manifest.permission.CONTROL_DISPLAY_BRIGHTNESS)
+    @Nullable
+    public float[] getDozeBrightnessSensorValueToBrightness(int displayId) {
+        try {
+            return mDm.getDozeBrightnessSensorValueToBrightness(displayId);
+        } catch (RemoteException ex) {
+            throw ex.rethrowFromSystemServer();
+        }
+    }
+
+    /**
+     * @see DisplayManager#getDefaultDozeBrightness
+     */
+    @RequiresPermission(Manifest.permission.CONTROL_DISPLAY_BRIGHTNESS)
+    @FloatRange(from = 0f, to = 1f)
+    public float getDefaultDozeBrightness(int displayId) {
+        try {
+            return mDm.getDefaultDozeBrightness(displayId);
+        } catch (RemoteException ex) {
+            throw ex.rethrowFromSystemServer();
+        }
+    }
+
     private final class DisplayManagerCallback extends IDisplayManagerCallback.Stub {
         @Override
         public void onDisplayEvent(int displayId, @DisplayEvent int event) {
diff --git a/core/java/android/hardware/display/IDisplayManager.aidl b/core/java/android/hardware/display/IDisplayManager.aidl
index 77277ee..f3c21e9f 100644
--- a/core/java/android/hardware/display/IDisplayManager.aidl
+++ b/core/java/android/hardware/display/IDisplayManager.aidl
@@ -246,4 +246,12 @@
     // Restricts display modes to specified modeIds.
     @EnforcePermission("RESTRICT_DISPLAY_MODES")
     void requestDisplayModes(in IBinder token, int displayId, in @nullable int[] modeIds);
+
+    // Get the mapping between the doze brightness sensor values and brightness values
+    @EnforcePermission("CONTROL_DISPLAY_BRIGHTNESS")
+    float[] getDozeBrightnessSensorValueToBrightness(int displayId);
+
+    // Get the default doze brightness
+    @EnforcePermission("CONTROL_DISPLAY_BRIGHTNESS")
+    float getDefaultDozeBrightness(int displayId);
 }
diff --git a/core/java/android/os/PowerManager.java b/core/java/android/os/PowerManager.java
index 406a1a6..026013c 100644
--- a/core/java/android/os/PowerManager.java
+++ b/core/java/android/os/PowerManager.java
@@ -564,8 +564,7 @@
             BRIGHTNESS_CONSTRAINT_TYPE_MINIMUM,
             BRIGHTNESS_CONSTRAINT_TYPE_MAXIMUM,
             BRIGHTNESS_CONSTRAINT_TYPE_DEFAULT,
-            BRIGHTNESS_CONSTRAINT_TYPE_DIM,
-            BRIGHTNESS_CONSTRAINT_TYPE_DOZE
+            BRIGHTNESS_CONSTRAINT_TYPE_DIM
     })
     @Retention(RetentionPolicy.SOURCE)
     public @interface BrightnessConstraint{}
@@ -594,12 +593,6 @@
     public static final int BRIGHTNESS_CONSTRAINT_TYPE_DIM = 3;
 
     /**
-     * Brightness constraint type: minimum allowed value.
-     * @hide
-     */
-    public static final int BRIGHTNESS_CONSTRAINT_TYPE_DOZE = 4;
-
-    /**
      * @hide
      */
     @IntDef(prefix = { "WAKE_REASON_" }, value = {
diff --git a/core/java/android/os/vibrator/flags.aconfig b/core/java/android/os/vibrator/flags.aconfig
index c73a422..ad2f59d 100644
--- a/core/java/android/os/vibrator/flags.aconfig
+++ b/core/java/android/os/vibrator/flags.aconfig
@@ -46,6 +46,7 @@
 flag {
     namespace: "haptics"
     name: "vibration_xml_apis"
+    is_exported: true
     description: "Enabled System APIs for vibration effect XML parser and serializer"
     bug: "347273158"
     metadata {
diff --git a/core/java/android/util/FeatureFlagUtils.java b/core/java/android/util/FeatureFlagUtils.java
index 0714285..d8a88b8 100644
--- a/core/java/android/util/FeatureFlagUtils.java
+++ b/core/java/android/util/FeatureFlagUtils.java
@@ -138,12 +138,6 @@
             "settings_show_stylus_preferences";
 
     /**
-     * Flag to enable/disable biometrics enrollment v2
-     * @hide
-     */
-    public static final String SETTINGS_BIOMETRICS2_ENROLLMENT = "settings_biometrics2_enrollment";
-
-    /**
      * Flag to enable/disable FingerprintSettings v2
      * @hide
      */
@@ -223,7 +217,6 @@
         DEFAULT_FLAGS.put(SETTINGS_ENABLE_SPA_METRICS, "true");
         DEFAULT_FLAGS.put(SETTINGS_ADB_METRICS_WRITER, "false");
         DEFAULT_FLAGS.put(SETTINGS_SHOW_STYLUS_PREFERENCES, "true");
-        DEFAULT_FLAGS.put(SETTINGS_BIOMETRICS2_ENROLLMENT, "false");
         DEFAULT_FLAGS.put(SETTINGS_PREFER_ACCESSIBILITY_MENU_IN_SYSTEM, "false");
         DEFAULT_FLAGS.put(SETTINGS_AUDIO_ROUTING, "false");
         DEFAULT_FLAGS.put(SETTINGS_FLASH_NOTIFICATIONS, "true");
diff --git a/core/java/android/window/ActivityWindowInfo.java b/core/java/android/window/ActivityWindowInfo.java
index 946bb82..71c500c 100644
--- a/core/java/android/window/ActivityWindowInfo.java
+++ b/core/java/android/window/ActivityWindowInfo.java
@@ -18,6 +18,8 @@
 
 import android.annotation.NonNull;
 import android.annotation.Nullable;
+import android.app.Activity;
+import android.app.ActivityThread;
 import android.graphics.Rect;
 import android.os.Parcel;
 import android.os.Parcelable;
@@ -144,4 +146,15 @@
                 + ", taskFragmentBounds=" + mTaskFragmentBounds
                 + "}";
     }
+
+    /** Gets the {@link ActivityWindowInfo} of the given activity. */
+    @Nullable
+    public static ActivityWindowInfo getActivityWindowInfo(@NonNull Activity activity) {
+        if (activity.isFinishing()) {
+            return null;
+        }
+        final ActivityThread.ActivityClientRecord record = ActivityThread.currentActivityThread()
+                .getActivityClient(activity.getActivityToken());
+        return record != null ? record.getActivityWindowInfo() : null;
+    }
 }
diff --git a/core/java/android/window/ITaskFragmentOrganizerController.aidl b/core/java/android/window/ITaskFragmentOrganizerController.aidl
index 2c64b8e..ac57c00 100644
--- a/core/java/android/window/ITaskFragmentOrganizerController.aidl
+++ b/core/java/android/window/ITaskFragmentOrganizerController.aidl
@@ -39,12 +39,6 @@
     void unregisterOrganizer(in ITaskFragmentOrganizer organizer);
 
     /**
-     * Checks if an activity organized by a {@link android.window.TaskFragmentOrganizer} and
-     * only occupies a portion of Task bounds.
-     */
-    boolean isActivityEmbedded(in IBinder activityToken);
-
-    /**
      * Notifies the server that the organizer has finished handling the given transaction. The
      * server should apply the given {@link WindowContainerTransaction} for the necessary changes.
      */
diff --git a/core/java/android/window/TaskFragmentOrganizer.java b/core/java/android/window/TaskFragmentOrganizer.java
index 15f1258..8e429cb 100644
--- a/core/java/android/window/TaskFragmentOrganizer.java
+++ b/core/java/android/window/TaskFragmentOrganizer.java
@@ -21,6 +21,7 @@
 import static android.view.WindowManager.TRANSIT_FIRST_CUSTOM;
 import static android.view.WindowManager.TRANSIT_NONE;
 import static android.view.WindowManager.TRANSIT_OPEN;
+import static android.window.ActivityWindowInfo.getActivityWindowInfo;
 
 import android.annotation.CallSuper;
 import android.annotation.FlaggedApi;
@@ -29,6 +30,7 @@
 import android.annotation.Nullable;
 import android.annotation.RequiresPermission;
 import android.annotation.TestApi;
+import android.app.Activity;
 import android.os.Bundle;
 import android.os.IBinder;
 import android.os.RemoteException;
@@ -38,6 +40,7 @@
 
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
+import java.util.Objects;
 import java.util.concurrent.Executor;
 
 /**
@@ -324,16 +327,15 @@
     }
 
     /**
-     * Checks if an activity organized by a {@link android.window.TaskFragmentOrganizer} and
+     * Checks if an activity is organized by a {@link android.window.TaskFragmentOrganizer} and
      * only occupies a portion of Task bounds.
+     *
+     * @see ActivityWindowInfo for additional window info.
      * @hide
      */
-    // TODO(b/287582673): cleanup
-    public boolean isActivityEmbedded(@NonNull IBinder activityToken) {
-        try {
-            return getController().isActivityEmbedded(activityToken);
-        } catch (RemoteException e) {
-            throw e.rethrowFromSystemServer();
-        }
+    public static boolean isActivityEmbedded(@NonNull Activity activity) {
+        Objects.requireNonNull(activity);
+        final ActivityWindowInfo activityWindowInfo = getActivityWindowInfo(activity);
+        return activityWindowInfo != null && activityWindowInfo.isEmbedded();
     }
 }
diff --git a/core/java/android/window/flags/large_screen_experiences_app_compat.aconfig b/core/java/android/window/flags/large_screen_experiences_app_compat.aconfig
index cc880e1..48fb2b3 100644
--- a/core/java/android/window/flags/large_screen_experiences_app_compat.aconfig
+++ b/core/java/android/window/flags/large_screen_experiences_app_compat.aconfig
@@ -91,6 +91,13 @@
 }
 
 flag {
+  name: "camera_compat_fullscreen_pick_same_task_activity"
+  namespace: "large_screen_experiences_app_compat"
+  description: "Limit undo of camera compat treatment to the same task that started the treatment."
+  bug: "350495350"
+}
+
+flag {
   name: "app_compat_refactoring"
   namespace: "large_screen_experiences_app_compat"
   description: "Whether the changes about app compat refactoring are enabled./n"
diff --git a/core/jni/android_media_AudioSystem.cpp b/core/jni/android_media_AudioSystem.cpp
index c07fd38..7c62615 100644
--- a/core/jni/android_media_AudioSystem.cpp
+++ b/core/jni/android_media_AudioSystem.cpp
@@ -27,6 +27,7 @@
 #include <android_media_audiopolicy.h>
 #include <android_os_Parcel.h>
 #include <audiomanager/AudioManager.h>
+#include <android-base/properties.h>
 #include <binder/IBinder.h>
 #include <jni.h>
 #include <media/AidlConversion.h>
@@ -41,8 +42,10 @@
 #include <system/audio_policy.h>
 #include <utils/Log.h>
 
+#include <thread>
 #include <optional>
 #include <sstream>
+#include <memory>
 #include <vector>
 
 #include "android_media_AudioAttributes.h"
@@ -261,6 +264,13 @@
     jfieldID mMixerBehavior;
 } gAudioMixerAttributesField;
 
+static struct {
+    jclass clazz;
+    jmethodID run;
+} gRunnableClassInfo;
+
+static JavaVM* gVm;
+
 static Mutex gLock;
 
 enum AudioError {
@@ -3362,6 +3372,55 @@
     return enabled;
 }
 
+class JavaSystemPropertyListener {
+  public:
+    JavaSystemPropertyListener(JNIEnv* env, jobject javaCallback, std::string sysPropName) :
+            mCallback(env->NewGlobalRef(javaCallback)),
+            mCachedProperty(android::base::CachedProperty{std::move(sysPropName)}) {
+        mListenerThread = std::thread([this]() mutable {
+            JNIEnv* threadEnv = GetOrAttachJNIEnvironment(gVm);
+            while (!mCleanupSignal.load()) {
+                using namespace std::chrono_literals;
+                // 1s timeout so this thread can read the cleanup signal to (slowly) be able to
+                // be destroyed.
+                std::string newVal = mCachedProperty.WaitForChange(1000ms) ?: "";
+                if (newVal != "" && mLastVal != newVal) {
+                    threadEnv->CallVoidMethod(mCallback, gRunnableClassInfo.run);
+                    mLastVal = std::move(newVal);
+                }
+            }
+            });
+    }
+
+    ~JavaSystemPropertyListener() {
+        mCleanupSignal.store(true);
+        mListenerThread.join();
+        JNIEnv* env = GetOrAttachJNIEnvironment(gVm);
+        env->DeleteGlobalRef(mCallback);
+    }
+
+  private:
+    jobject mCallback;
+    android::base::CachedProperty mCachedProperty;
+    std::thread mListenerThread;
+    std::atomic<bool> mCleanupSignal{false};
+    std::string mLastVal = "";
+};
+
+std::vector<std::unique_ptr<JavaSystemPropertyListener>> gSystemPropertyListeners;
+std::mutex gSysPropLock{};
+
+static void android_media_AudioSystem_listenForSystemPropertyChange(JNIEnv *env,  jobject thiz,
+        jstring sysProp,
+        jobject javaCallback) {
+    ScopedUtfChars sysPropChars{env, sysProp};
+    auto listener = std::make_unique<JavaSystemPropertyListener>(env, javaCallback,
+            std::string{sysPropChars.c_str()});
+    std::unique_lock _l{gSysPropLock};
+    gSystemPropertyListeners.push_back(std::move(listener));
+}
+
+
 // ----------------------------------------------------------------------------
 
 #define MAKE_AUDIO_SYSTEM_METHOD(x) \
@@ -3534,7 +3593,12 @@
                                 android_media_AudioSystem_clearPreferredMixerAttributes),
          MAKE_AUDIO_SYSTEM_METHOD(supportsBluetoothVariableLatency),
          MAKE_AUDIO_SYSTEM_METHOD(setBluetoothVariableLatencyEnabled),
-         MAKE_AUDIO_SYSTEM_METHOD(isBluetoothVariableLatencyEnabled)};
+         MAKE_AUDIO_SYSTEM_METHOD(isBluetoothVariableLatencyEnabled),
+         MAKE_JNI_NATIVE_METHOD("listenForSystemPropertyChange",
+                                "(Ljava/lang/String;Ljava/lang/Runnable;)V",
+                                android_media_AudioSystem_listenForSystemPropertyChange),
+
+        };
 
 static const JNINativeMethod gEventHandlerMethods[] =
         {MAKE_JNI_NATIVE_METHOD("native_setup", "(Ljava/lang/Object;)V",
@@ -3816,6 +3880,12 @@
     gAudioMixerAttributesField.mMixerBehavior =
             GetFieldIDOrDie(env, audioMixerAttributesClass, "mMixerBehavior", "I");
 
+    jclass runnableClazz = FindClassOrDie(env, "java/lang/Runnable");
+    gRunnableClassInfo.clazz = MakeGlobalRefOrDie(env, runnableClazz);
+    gRunnableClassInfo.run = GetMethodIDOrDie(env, runnableClazz, "run", "()V");
+
+    LOG_ALWAYS_FATAL_IF(env->GetJavaVM(&gVm) != 0);
+
     AudioSystem::addErrorCallback(android_media_AudioSystem_error_callback);
 
     RegisterMethodsOrDie(env, kClassPathName, gMethods, NELEM(gMethods));
diff --git a/core/jni/android_util_Process.cpp b/core/jni/android_util_Process.cpp
index 982189e..1a1d83c 100644
--- a/core/jni/android_util_Process.cpp
+++ b/core/jni/android_util_Process.cpp
@@ -1063,8 +1063,8 @@
     }
     env->ReleaseStringUTFChars(file, file8);
 
-    // Most proc files we read are small, so we only go through the
-    // loop once and use the stack buffer.  We allocate a buffer big
+    // Most proc files we read are small, so we go through the loop
+    // with the stack buffer firstly. We allocate a buffer big
     // enough for the whole file.
 
     char readBufferStack[kProcReadStackBufferSize];
@@ -1072,37 +1072,47 @@
     char* readBuffer = &readBufferStack[0];
     ssize_t readBufferSize = kProcReadStackBufferSize;
     ssize_t numberBytesRead;
+    off_t offset = 0;
     for (;;) {
+        ssize_t requestedBufferSize = readBufferSize - offset;
         // By using pread, we can avoid an lseek to rewind the FD
         // before retry, saving a system call.
-        numberBytesRead = pread(fd, readBuffer, readBufferSize, 0);
-        if (numberBytesRead < 0 && errno == EINTR) {
-            continue;
-        }
+        numberBytesRead =
+                TEMP_FAILURE_RETRY(pread(fd, readBuffer + offset, requestedBufferSize, offset));
         if (numberBytesRead < 0) {
             if (kDebugProc) {
-                ALOGW("Unable to open process file: %s fd=%d\n", file8, fd.get());
+                ALOGW("Unable to read process file err: %s file: %s fd=%d\n",
+                      strerror_r(errno, &readBufferStack[0], sizeof(readBufferStack)), file8,
+                      fd.get());
             }
             return JNI_FALSE;
         }
-        if (numberBytesRead < readBufferSize) {
+        if (numberBytesRead == 0) {
+            // End of file.
+            numberBytesRead = offset;
             break;
         }
-        if (readBufferSize > std::numeric_limits<ssize_t>::max() / 2) {
-            if (kDebugProc) {
-                ALOGW("Proc file too big: %s fd=%d\n", file8, fd.get());
+        if (numberBytesRead < requestedBufferSize) {
+            // Read less bytes than requested, it's not an error per pread(2).
+            offset += numberBytesRead;
+        } else {
+            // Buffer is fully used, try to grow it.
+            if (readBufferSize > std::numeric_limits<ssize_t>::max() / 2) {
+                if (kDebugProc) {
+                    ALOGW("Proc file too big: %s fd=%d\n", file8, fd.get());
+                }
+                return JNI_FALSE;
             }
-            return JNI_FALSE;
+            readBufferSize = std::max(readBufferSize * 2, kProcReadMinHeapBufferSize);
+            readBufferHeap.reset(); // Free address space before getting more.
+            readBufferHeap = std::make_unique<char[]>(readBufferSize);
+            if (!readBufferHeap) {
+                jniThrowException(env, "java/lang/OutOfMemoryError", NULL);
+                return JNI_FALSE;
+            }
+            readBuffer = readBufferHeap.get();
+            offset = 0;
         }
-        readBufferSize = std::max(readBufferSize * 2,
-                                  kProcReadMinHeapBufferSize);
-        readBufferHeap.reset();  // Free address space before getting more.
-        readBufferHeap = std::make_unique<char[]>(readBufferSize);
-        if (!readBufferHeap) {
-            jniThrowException(env, "java/lang/OutOfMemoryError", NULL);
-            return JNI_FALSE;
-        }
-        readBuffer = readBufferHeap.get();
     }
 
     // parseProcLineArray below modifies the buffer while parsing!
diff --git a/core/jni/platform/host/HostRuntime.cpp b/core/jni/platform/host/HostRuntime.cpp
index 59d18b8..30c926c 100644
--- a/core/jni/platform/host/HostRuntime.cpp
+++ b/core/jni/platform/host/HostRuntime.cpp
@@ -104,6 +104,7 @@
 extern int register_android_view_KeyEvent(JNIEnv* env);
 extern int register_android_view_InputDevice(JNIEnv* env);
 extern int register_android_view_MotionEvent(JNIEnv* env);
+extern int register_android_view_Surface(JNIEnv* env);
 extern int register_android_view_ThreadedRenderer(JNIEnv* env);
 extern int register_android_graphics_HardwareBufferRenderer(JNIEnv* env);
 extern int register_android_view_VelocityTracker(JNIEnv* env);
@@ -151,6 +152,7 @@
         {"android.view.KeyEvent", REG_JNI(register_android_view_KeyEvent)},
         {"android.view.InputDevice", REG_JNI(register_android_view_InputDevice)},
         {"android.view.MotionEvent", REG_JNI(register_android_view_MotionEvent)},
+        {"android.view.Surface", REG_JNI(register_android_view_Surface)},
         {"android.view.VelocityTracker", REG_JNI(register_android_view_VelocityTracker)},
         {"com.android.internal.util.VirtualRefBasePtr",
          REG_JNI(register_com_android_internal_util_VirtualRefBasePtr)},
diff --git a/libs/WindowManager/Jetpack/src/androidx/window/extensions/embedding/SplitController.java b/libs/WindowManager/Jetpack/src/androidx/window/extensions/embedding/SplitController.java
index b120723..8e1fde0 100644
--- a/libs/WindowManager/Jetpack/src/androidx/window/extensions/embedding/SplitController.java
+++ b/libs/WindowManager/Jetpack/src/androidx/window/extensions/embedding/SplitController.java
@@ -22,6 +22,7 @@
 import static android.app.WindowConfiguration.WINDOWING_MODE_UNDEFINED;
 import static android.view.Display.DEFAULT_DISPLAY;
 import static android.view.WindowManager.TRANSIT_CLOSE;
+import static android.window.ActivityWindowInfo.getActivityWindowInfo;
 import static android.window.TaskFragmentOperation.OP_TYPE_REPARENT_ACTIVITY_TO_TASK_FRAGMENT;
 import static android.window.TaskFragmentOperation.OP_TYPE_START_ACTIVITY_IN_TASK_FRAGMENT;
 import static android.window.TaskFragmentOrganizer.KEY_ERROR_CALLBACK_OP_TYPE;
@@ -80,6 +81,7 @@
 import android.window.TaskFragmentAnimationParams;
 import android.window.TaskFragmentInfo;
 import android.window.TaskFragmentOperation;
+import android.window.TaskFragmentOrganizer;
 import android.window.TaskFragmentParentInfo;
 import android.window.TaskFragmentTransaction;
 import android.window.WindowContainerTransaction;
@@ -2553,9 +2555,9 @@
         return ActivityThread.currentActivityThread().getActivity(activityToken);
     }
 
-    @VisibleForTesting
     @Nullable
-    ActivityThread.ActivityClientRecord getActivityClientRecord(@NonNull Activity activity) {
+    private ActivityThread.ActivityClientRecord getActivityClientRecord(
+            @NonNull Activity activity) {
         return ActivityThread.currentActivityThread()
                 .getActivityClient(activity.getActivityToken());
     }
@@ -3092,10 +3094,8 @@
      */
     @Override
     public boolean isActivityEmbedded(@NonNull Activity activity) {
-        Objects.requireNonNull(activity);
         synchronized (mLock) {
-            final ActivityWindowInfo activityWindowInfo = getActivityWindowInfo(activity);
-            return activityWindowInfo != null && activityWindowInfo.isEmbedded();
+            return TaskFragmentOrganizer.isActivityEmbedded(activity);
         }
     }
 
@@ -3165,15 +3165,6 @@
         }
     }
 
-    @Nullable
-    private ActivityWindowInfo getActivityWindowInfo(@NonNull Activity activity) {
-        if (activity.isFinishing()) {
-            return null;
-        }
-        final ActivityThread.ActivityClientRecord record = getActivityClientRecord(activity);
-        return record != null ? record.getActivityWindowInfo() : null;
-    }
-
     @NonNull
     private static EmbeddedActivityWindowInfo translateActivityWindowInfo(
             @NonNull Activity activity, @NonNull ActivityWindowInfo activityWindowInfo) {
diff --git a/libs/WindowManager/Jetpack/tests/unittest/src/androidx/window/extensions/embedding/SplitControllerTest.java b/libs/WindowManager/Jetpack/tests/unittest/src/androidx/window/extensions/embedding/SplitControllerTest.java
index 99c0ee2..d852204 100644
--- a/libs/WindowManager/Jetpack/tests/unittest/src/androidx/window/extensions/embedding/SplitControllerTest.java
+++ b/libs/WindowManager/Jetpack/tests/unittest/src/androidx/window/extensions/embedding/SplitControllerTest.java
@@ -165,6 +165,7 @@
     private Consumer<List<SplitInfo>> mEmbeddingCallback;
     private List<SplitInfo> mSplitInfos;
     private TransactionManager mTransactionManager;
+    private ActivityThread mCurrentActivityThread;
 
     @Before
     public void setUp() {
@@ -181,10 +182,12 @@
         };
         mSplitController.setSplitInfoCallback(mEmbeddingCallback);
         mTransactionManager = mSplitController.mTransactionManager;
+        mCurrentActivityThread = ActivityThread.currentActivityThread();
         spyOn(mSplitController);
         spyOn(mSplitPresenter);
         spyOn(mEmbeddingCallback);
         spyOn(mTransactionManager);
+        spyOn(mCurrentActivityThread);
         doNothing().when(mSplitPresenter).applyTransaction(any(), anyInt(), anyBoolean());
         final Configuration activityConfig = new Configuration();
         activityConfig.windowConfiguration.setBounds(TASK_BOUNDS);
@@ -1668,7 +1671,8 @@
         final IBinder activityToken = new Binder();
         doReturn(activityToken).when(activity).getActivityToken();
         doReturn(activity).when(mSplitController).getActivity(activityToken);
-        doReturn(activityClientRecord).when(mSplitController).getActivityClientRecord(activity);
+        doReturn(activityClientRecord).when(mCurrentActivityThread).getActivityClient(
+                activityToken);
         doReturn(taskId).when(activity).getTaskId();
         doReturn(new ActivityInfo()).when(activity).getActivityInfo();
         doReturn(DEFAULT_DISPLAY).when(activity).getDisplayId();
diff --git a/libs/WindowManager/Shell/src/com/android/wm/shell/compatui/api/CompatUIRepository.kt b/libs/WindowManager/Shell/src/com/android/wm/shell/compatui/api/CompatUIRepository.kt
new file mode 100644
index 0000000..cb54d89
--- /dev/null
+++ b/libs/WindowManager/Shell/src/com/android/wm/shell/compatui/api/CompatUIRepository.kt
@@ -0,0 +1,39 @@
+/*
+ * 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.wm.shell.compatui.api
+
+/**
+ * Abstraction for the repository of all the available CompatUISpec
+ */
+interface CompatUIRepository {
+    /**
+     * Adds a {@link CompatUISpec} to the repository
+     * @throws IllegalStateException in case of illegal spec
+     */
+    fun addSpec(spec: CompatUISpec)
+
+    /**
+     * Iterates on the list of available {@link CompatUISpec} invoking
+     * fn for each of them.
+     */
+    fun iterateOn(fn: (CompatUISpec) -> Unit)
+
+    /**
+     * Returns the {@link CompatUISpec} for a given key
+     */
+    fun findSpec(name: String): CompatUISpec?
+}
\ No newline at end of file
diff --git a/libs/WindowManager/Shell/src/com/android/wm/shell/compatui/api/CompatUISpec.kt b/libs/WindowManager/Shell/src/com/android/wm/shell/compatui/api/CompatUISpec.kt
new file mode 100644
index 0000000..24c2c8c
--- /dev/null
+++ b/libs/WindowManager/Shell/src/com/android/wm/shell/compatui/api/CompatUISpec.kt
@@ -0,0 +1,26 @@
+/*
+ * 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.wm.shell.compatui.api
+
+/**
+ * Describes each compat ui component to the framework.
+ */
+data class CompatUISpec(
+    // Unique name for the component. It's used for debug and for generating the
+    // unique component identifier in the system.
+    val name: String
+)
\ No newline at end of file
diff --git a/libs/WindowManager/Shell/src/com/android/wm/shell/compatui/impl/DefaultCompatUIHandler.kt b/libs/WindowManager/Shell/src/com/android/wm/shell/compatui/impl/DefaultCompatUIHandler.kt
index a181eaf..8408ea6 100644
--- a/libs/WindowManager/Shell/src/com/android/wm/shell/compatui/impl/DefaultCompatUIHandler.kt
+++ b/libs/WindowManager/Shell/src/com/android/wm/shell/compatui/impl/DefaultCompatUIHandler.kt
@@ -19,12 +19,15 @@
 import com.android.wm.shell.compatui.api.CompatUIEvent
 import com.android.wm.shell.compatui.api.CompatUIHandler
 import com.android.wm.shell.compatui.api.CompatUIInfo
+import com.android.wm.shell.compatui.api.CompatUIRepository
 import java.util.function.Consumer
 
 /**
  * Default implementation of {@link CompatUIHandler} to handle CompatUI components
  */
-class DefaultCompatUIHandler : CompatUIHandler {
+class DefaultCompatUIHandler(
+    private val compatUIRepository: CompatUIRepository
+) : CompatUIHandler {
 
     private var compatUIEventSender: Consumer<CompatUIEvent>? = null
     override fun onCompatInfoChanged(compatUIInfo: CompatUIInfo) {
diff --git a/libs/WindowManager/Shell/src/com/android/wm/shell/compatui/impl/DefaultCompatUIRepository.kt b/libs/WindowManager/Shell/src/com/android/wm/shell/compatui/impl/DefaultCompatUIRepository.kt
new file mode 100644
index 0000000..10d9425
--- /dev/null
+++ b/libs/WindowManager/Shell/src/com/android/wm/shell/compatui/impl/DefaultCompatUIRepository.kt
@@ -0,0 +1,41 @@
+/*
+ * 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.wm.shell.compatui.impl
+
+import com.android.wm.shell.compatui.api.CompatUIRepository
+import com.android.wm.shell.compatui.api.CompatUISpec
+
+/**
+ * Default {@link CompatUIRepository} implementation
+ */
+class DefaultCompatUIRepository : CompatUIRepository {
+
+    private val allSpecs = mutableMapOf<String, CompatUISpec>()
+
+    override fun addSpec(spec: CompatUISpec) {
+        if (allSpecs[spec.name] != null) {
+            throw IllegalStateException("Spec with id:${spec.name} already present")
+        }
+        allSpecs[spec.name] = spec
+    }
+
+    override fun iterateOn(fn: (CompatUISpec) -> Unit) =
+        allSpecs.values.forEach(fn)
+
+    override fun findSpec(name: String): CompatUISpec? =
+        allSpecs[name]
+}
\ No newline at end of file
diff --git a/libs/WindowManager/Shell/src/com/android/wm/shell/dagger/WMShellBaseModule.java b/libs/WindowManager/Shell/src/com/android/wm/shell/dagger/WMShellBaseModule.java
index 9bdc0b2..4b548cb 100644
--- a/libs/WindowManager/Shell/src/com/android/wm/shell/dagger/WMShellBaseModule.java
+++ b/libs/WindowManager/Shell/src/com/android/wm/shell/dagger/WMShellBaseModule.java
@@ -72,7 +72,9 @@
 import com.android.wm.shell.compatui.CompatUIController;
 import com.android.wm.shell.compatui.CompatUIShellCommandHandler;
 import com.android.wm.shell.compatui.api.CompatUIHandler;
+import com.android.wm.shell.compatui.api.CompatUIRepository;
 import com.android.wm.shell.compatui.impl.DefaultCompatUIHandler;
+import com.android.wm.shell.compatui.impl.DefaultCompatUIRepository;
 import com.android.wm.shell.desktopmode.DesktopMode;
 import com.android.wm.shell.desktopmode.DesktopModeTaskRepository;
 import com.android.wm.shell.desktopmode.DesktopTasksController;
@@ -245,12 +247,13 @@
             Lazy<DockStateReader> dockStateReader,
             Lazy<CompatUIConfiguration> compatUIConfiguration,
             Lazy<CompatUIShellCommandHandler> compatUIShellCommandHandler,
-            Lazy<AccessibilityManager> accessibilityManager) {
+            Lazy<AccessibilityManager> accessibilityManager,
+            CompatUIRepository compatUIRepository) {
         if (!context.getResources().getBoolean(R.bool.config_enableCompatUIController)) {
             return Optional.empty();
         }
         if (Flags.appCompatUiFramework()) {
-            return Optional.of(new DefaultCompatUIHandler());
+            return Optional.of(new DefaultCompatUIHandler(compatUIRepository));
         }
         return Optional.of(
                 new CompatUIController(
@@ -271,6 +274,12 @@
 
     @WMSingleton
     @Provides
+    static CompatUIRepository provideCompatUIRepository() {
+        return new DefaultCompatUIRepository();
+    }
+
+    @WMSingleton
+    @Provides
     static SyncTransactionQueue provideSyncTransactionQueue(TransactionPool pool,
             @ShellMainThread ShellExecutor mainExecutor) {
         return new SyncTransactionQueue(pool, mainExecutor);
diff --git a/libs/WindowManager/Shell/src/com/android/wm/shell/dagger/pip/Pip1Module.java b/libs/WindowManager/Shell/src/com/android/wm/shell/dagger/pip/Pip1Module.java
index 037fbb2..1a9c304 100644
--- a/libs/WindowManager/Shell/src/com/android/wm/shell/dagger/pip/Pip1Module.java
+++ b/libs/WindowManager/Shell/src/com/android/wm/shell/dagger/pip/Pip1Module.java
@@ -206,13 +206,12 @@
     @WMSingleton
     @Provides
     static PipMotionHelper providePipMotionHelper(Context context,
-            @ShellMainThread ShellExecutor mainExecutor,
             PipBoundsState pipBoundsState, PipTaskOrganizer pipTaskOrganizer,
             PhonePipMenuController menuController, PipSnapAlgorithm pipSnapAlgorithm,
             PipTransitionController pipTransitionController,
             FloatingContentCoordinator floatingContentCoordinator,
             Optional<PipPerfHintController> pipPerfHintControllerOptional) {
-        return new PipMotionHelper(context, mainExecutor, pipBoundsState, pipTaskOrganizer,
+        return new PipMotionHelper(context, pipBoundsState, pipTaskOrganizer,
                 menuController, pipSnapAlgorithm, pipTransitionController,
                 floatingContentCoordinator, pipPerfHintControllerOptional);
     }
diff --git a/libs/WindowManager/Shell/src/com/android/wm/shell/desktopmode/DesktopTasksController.kt b/libs/WindowManager/Shell/src/com/android/wm/shell/desktopmode/DesktopTasksController.kt
index 5807246..d46b2d6 100644
--- a/libs/WindowManager/Shell/src/com/android/wm/shell/desktopmode/DesktopTasksController.kt
+++ b/libs/WindowManager/Shell/src/com/android/wm/shell/desktopmode/DesktopTasksController.kt
@@ -1045,14 +1045,12 @@
 
     /** Handle task closing by removing wallpaper activity if it's the last active task */
     private fun handleTaskClosing(task: RunningTaskInfo): WindowContainerTransaction? {
-        val wct = if (
-            desktopModeTaskRepository.isOnlyVisibleNonClosingTask(task.taskId) &&
-                desktopModeTaskRepository.wallpaperActivityToken != null
-        ) {
+        ProtoLog.v(WM_SHELL_DESKTOP_MODE, "DesktopTasksController: handleTaskClosing")
+        val wct = WindowContainerTransaction()
+        if (desktopModeTaskRepository.isOnlyVisibleNonClosingTask(task.taskId)
+            && desktopModeTaskRepository.wallpaperActivityToken != null) {
             // Remove wallpaper activity when the last active task is removed
-            WindowContainerTransaction().also { wct -> removeWallpaperActivity(wct) }
-        } else {
-            null
+            removeWallpaperActivity(wct)
         }
         if (!desktopModeTaskRepository.addClosingTask(task.displayId, task.taskId)) {
             // Could happen if the task hasn't been removed from closing list after it disappeared
@@ -1062,7 +1060,12 @@
                 task.taskId
             )
         }
-        return wct
+        // If a CLOSE or TO_BACK is triggered on a desktop task, remove the task.
+        if (Flags.enableDesktopWindowingBackNavigation() &&
+            desktopModeTaskRepository.isVisibleTask(task.taskId)) {
+            wct.removeTask(task.token)
+        }
+        return if (wct.isEmpty) null else wct
     }
 
     private fun addMoveToDesktopChanges(
diff --git a/libs/WindowManager/Shell/src/com/android/wm/shell/pip/Pip.java b/libs/WindowManager/Shell/src/com/android/wm/shell/pip/Pip.java
index b27c428..a749019 100644
--- a/libs/WindowManager/Shell/src/com/android/wm/shell/pip/Pip.java
+++ b/libs/WindowManager/Shell/src/com/android/wm/shell/pip/Pip.java
@@ -16,12 +16,10 @@
 
 package com.android.wm.shell.pip;
 
-import android.annotation.NonNull;
 import android.graphics.Rect;
 
 import com.android.wm.shell.shared.annotations.ExternalThread;
 
-import java.util.concurrent.Executor;
 import java.util.function.Consumer;
 
 /**
@@ -71,10 +69,9 @@
     default void removePipExclusionBoundsChangeListener(Consumer<Rect> listener) { }
 
     /**
-     * Register {@link PipTransitionController.PipTransitionCallback} to listen on PiP transition
-     * started / finished callbacks.
+     * @return {@link PipTransitionController} instance.
      */
-    default void registerPipTransitionCallback(
-            @NonNull PipTransitionController.PipTransitionCallback callback,
-            @NonNull Executor executor) { }
+    default PipTransitionController getPipTransitionController() {
+        return null;
+    }
 }
diff --git a/libs/WindowManager/Shell/src/com/android/wm/shell/pip/PipTaskOrganizer.java b/libs/WindowManager/Shell/src/com/android/wm/shell/pip/PipTaskOrganizer.java
index 6e1e44b..ff40d4c 100644
--- a/libs/WindowManager/Shell/src/com/android/wm/shell/pip/PipTaskOrganizer.java
+++ b/libs/WindowManager/Shell/src/com/android/wm/shell/pip/PipTaskOrganizer.java
@@ -423,8 +423,7 @@
             });
             mPipTransitionController.setPipOrganizer(this);
             displayController.addDisplayWindowListener(this);
-            pipTransitionController.registerPipTransitionCallback(
-                    mPipTransitionCallback, mMainExecutor);
+            pipTransitionController.registerPipTransitionCallback(mPipTransitionCallback);
         }
     }
 
@@ -496,9 +495,7 @@
         ProtoLog.d(ShellProtoLogGroup.WM_SHELL_PICTURE_IN_PICTURE,
                 "startSwipePipToHome: %s, state=%s", componentName, mPipTransitionState);
         mPipTransitionState.setInSwipePipToHomeTransition(true);
-        if (!ENABLE_SHELL_TRANSITIONS) {
-            sendOnPipTransitionStarted(TRANSITION_DIRECTION_TO_PIP);
-        }
+        sendOnPipTransitionStarted(TRANSITION_DIRECTION_TO_PIP);
         setBoundsStateForEntry(componentName, pictureInPictureParams, activityInfo);
         return mPipBoundsAlgorithm.getEntryDestinationBounds();
     }
diff --git a/libs/WindowManager/Shell/src/com/android/wm/shell/pip/PipTransition.java b/libs/WindowManager/Shell/src/com/android/wm/shell/pip/PipTransition.java
index 87692ac..e5633de 100644
--- a/libs/WindowManager/Shell/src/com/android/wm/shell/pip/PipTransition.java
+++ b/libs/WindowManager/Shell/src/com/android/wm/shell/pip/PipTransition.java
@@ -1174,7 +1174,6 @@
         }
 
         final Rect sourceBounds = pipTaskInfo.configuration.windowConfiguration.getBounds();
-        sendOnPipTransitionStarted(TRANSITION_DIRECTION_TO_PIP);
         final PipAnimationController.PipTransitionAnimator animator =
                 mPipAnimationController.getAnimator(pipTaskInfo, leash, sourceBounds, sourceBounds,
                         destinationBounds, sourceHintRect, TRANSITION_DIRECTION_TO_PIP,
diff --git a/libs/WindowManager/Shell/src/com/android/wm/shell/pip/PipTransitionController.java b/libs/WindowManager/Shell/src/com/android/wm/shell/pip/PipTransitionController.java
index 8d36db9..b1dd4f1 100644
--- a/libs/WindowManager/Shell/src/com/android/wm/shell/pip/PipTransitionController.java
+++ b/libs/WindowManager/Shell/src/com/android/wm/shell/pip/PipTransitionController.java
@@ -53,9 +53,8 @@
 import com.android.wm.shell.transition.Transitions;
 
 import java.io.PrintWriter;
-import java.util.HashMap;
-import java.util.Map;
-import java.util.concurrent.Executor;
+import java.util.ArrayList;
+import java.util.List;
 
 /**
  * Responsible supplying PiP Transitions.
@@ -67,7 +66,7 @@
     protected final ShellTaskOrganizer mShellTaskOrganizer;
     protected final PipMenuController mPipMenuController;
     protected final Transitions mTransitions;
-    private final Map<PipTransitionCallback, Executor> mPipTransitionCallbacks = new HashMap<>();
+    private final List<PipTransitionCallback> mPipTransitionCallbacks = new ArrayList<>();
     protected PipTaskOrganizer mPipOrganizer;
     protected DefaultMixedHandler mMixedHandler;
 
@@ -184,18 +183,16 @@
     /**
      * Registers {@link PipTransitionCallback} to receive transition callbacks.
      */
-    public void registerPipTransitionCallback(
-            @NonNull PipTransitionCallback callback, @NonNull Executor executor) {
-        mPipTransitionCallbacks.put(callback, executor);
+    public void registerPipTransitionCallback(PipTransitionCallback callback) {
+        mPipTransitionCallbacks.add(callback);
     }
 
     protected void sendOnPipTransitionStarted(
             @PipAnimationController.TransitionDirection int direction) {
         final Rect pipBounds = mPipBoundsState.getBounds();
-        for (Map.Entry<PipTransitionCallback, Executor> entry
-                : mPipTransitionCallbacks.entrySet()) {
-            entry.getValue().execute(
-                    () -> entry.getKey().onPipTransitionStarted(direction, pipBounds));
+        for (int i = mPipTransitionCallbacks.size() - 1; i >= 0; i--) {
+            final PipTransitionCallback callback = mPipTransitionCallbacks.get(i);
+            callback.onPipTransitionStarted(direction, pipBounds);
         }
         if (isInPipDirection(direction) && Flags.enablePipUiStateCallbackOnEntering()) {
             try {
@@ -212,10 +209,9 @@
 
     protected void sendOnPipTransitionFinished(
             @PipAnimationController.TransitionDirection int direction) {
-        for (Map.Entry<PipTransitionCallback, Executor> entry
-                : mPipTransitionCallbacks.entrySet()) {
-            entry.getValue().execute(
-                    () -> entry.getKey().onPipTransitionFinished(direction));
+        for (int i = mPipTransitionCallbacks.size() - 1; i >= 0; i--) {
+            final PipTransitionCallback callback = mPipTransitionCallbacks.get(i);
+            callback.onPipTransitionFinished(direction);
         }
         if (isInPipDirection(direction) && Flags.enablePipUiStateCallbackOnEntering()) {
             try {
@@ -232,10 +228,9 @@
 
     protected void sendOnPipTransitionCancelled(
             @PipAnimationController.TransitionDirection int direction) {
-        for (Map.Entry<PipTransitionCallback, Executor> entry
-                : mPipTransitionCallbacks.entrySet()) {
-            entry.getValue().execute(
-                    () -> entry.getKey().onPipTransitionCanceled(direction));
+        for (int i = mPipTransitionCallbacks.size() - 1; i >= 0; i--) {
+            final PipTransitionCallback callback = mPipTransitionCallbacks.get(i);
+            callback.onPipTransitionCanceled(direction);
         }
     }
 
diff --git a/libs/WindowManager/Shell/src/com/android/wm/shell/pip/phone/PipController.java b/libs/WindowManager/Shell/src/com/android/wm/shell/pip/phone/PipController.java
index 0cb7e17..26b7e58 100644
--- a/libs/WindowManager/Shell/src/com/android/wm/shell/pip/phone/PipController.java
+++ b/libs/WindowManager/Shell/src/com/android/wm/shell/pip/phone/PipController.java
@@ -106,7 +106,6 @@
 import java.util.Objects;
 import java.util.Optional;
 import java.util.Set;
-import java.util.concurrent.Executor;
 import java.util.function.Consumer;
 
 /**
@@ -479,7 +478,7 @@
         mShellCommandHandler.addDumpCallback(this::dump, this);
         mPipInputConsumer = new PipInputConsumer(WindowManagerGlobal.getWindowManagerService(),
                 INPUT_CONSUMER_PIP, mMainExecutor);
-        mPipTransitionController.registerPipTransitionCallback(this, mMainExecutor);
+        mPipTransitionController.registerPipTransitionCallback(this);
         mPipTaskOrganizer.registerOnDisplayIdChangeCallback((int displayId) -> {
             mPipDisplayLayoutState.setDisplayId(displayId);
             onDisplayChanged(mDisplayController.getDisplayLayout(displayId),
@@ -1221,11 +1220,8 @@
         }
 
         @Override
-        public void registerPipTransitionCallback(
-                PipTransitionController.PipTransitionCallback callback,
-                Executor executor) {
-            mMainExecutor.execute(() -> mPipTransitionController.registerPipTransitionCallback(
-                    callback, executor));
+        public PipTransitionController getPipTransitionController() {
+            return mPipTransitionController;
         }
     }
 
diff --git a/libs/WindowManager/Shell/src/com/android/wm/shell/pip/phone/PipMotionHelper.java b/libs/WindowManager/Shell/src/com/android/wm/shell/pip/phone/PipMotionHelper.java
index df3803d..e8d6576 100644
--- a/libs/WindowManager/Shell/src/com/android/wm/shell/pip/phone/PipMotionHelper.java
+++ b/libs/WindowManager/Shell/src/com/android/wm/shell/pip/phone/PipMotionHelper.java
@@ -38,7 +38,6 @@
 import com.android.wm.shell.R;
 import com.android.wm.shell.animation.FloatProperties;
 import com.android.wm.shell.common.FloatingContentCoordinator;
-import com.android.wm.shell.common.ShellExecutor;
 import com.android.wm.shell.common.magnetictarget.MagnetizedObject;
 import com.android.wm.shell.common.pip.PipAppOpsListener;
 import com.android.wm.shell.common.pip.PipBoundsState;
@@ -48,7 +47,6 @@
 import com.android.wm.shell.pip.PipTransitionController;
 import com.android.wm.shell.protolog.ShellProtoLogGroup;
 import com.android.wm.shell.shared.animation.PhysicsAnimator;
-import com.android.wm.shell.shared.annotations.ShellMainThread;
 
 import kotlin.Unit;
 import kotlin.jvm.functions.Function0;
@@ -173,9 +171,7 @@
         public void onPipTransitionCanceled(int direction) {}
     };
 
-    public PipMotionHelper(Context context,
-            @ShellMainThread ShellExecutor mainExecutor,
-            @NonNull PipBoundsState pipBoundsState,
+    public PipMotionHelper(Context context, @NonNull PipBoundsState pipBoundsState,
             PipTaskOrganizer pipTaskOrganizer, PhonePipMenuController menuController,
             PipSnapAlgorithm snapAlgorithm, PipTransitionController pipTransitionController,
             FloatingContentCoordinator floatingContentCoordinator,
@@ -187,7 +183,7 @@
         mSnapAlgorithm = snapAlgorithm;
         mFloatingContentCoordinator = floatingContentCoordinator;
         mPipPerfHintController = pipPerfHintControllerOptional.orElse(null);
-        pipTransitionController.registerPipTransitionCallback(mPipTransitionCallback, mainExecutor);
+        pipTransitionController.registerPipTransitionCallback(mPipTransitionCallback);
         mResizePipUpdateListener = (target, values) -> {
             if (mPipBoundsState.getMotionBoundsState().isInMotion()) {
                 mPipTaskOrganizer.scheduleUserResizePip(getBounds(),
diff --git a/libs/WindowManager/Shell/src/com/android/wm/shell/pip/tv/TvPipController.java b/libs/WindowManager/Shell/src/com/android/wm/shell/pip/tv/TvPipController.java
index 0ed5079..62c0944 100644
--- a/libs/WindowManager/Shell/src/com/android/wm/shell/pip/tv/TvPipController.java
+++ b/libs/WindowManager/Shell/src/com/android/wm/shell/pip/tv/TvPipController.java
@@ -257,7 +257,7 @@
     }
 
     private void onInit() {
-        mPipTransitionController.registerPipTransitionCallback(this, mMainExecutor);
+        mPipTransitionController.registerPipTransitionCallback(this);
 
         reloadResources();
 
diff --git a/libs/WindowManager/Shell/src/com/android/wm/shell/pip2/phone/PipController.java b/libs/WindowManager/Shell/src/com/android/wm/shell/pip2/phone/PipController.java
index c12219c..b939b16 100644
--- a/libs/WindowManager/Shell/src/com/android/wm/shell/pip2/phone/PipController.java
+++ b/libs/WindowManager/Shell/src/com/android/wm/shell/pip2/phone/PipController.java
@@ -64,7 +64,6 @@
 import com.android.wm.shell.sysui.ShellInit;
 
 import java.io.PrintWriter;
-import java.util.concurrent.Executor;
 import java.util.function.Consumer;
 
 /**
@@ -413,11 +412,6 @@
 
         @Override
         public void showPictureInPictureMenu() {}
-
-        @Override
-        public void registerPipTransitionCallback(
-                PipTransitionController.PipTransitionCallback callback,
-                Executor executor) {}
     }
 
     /**
diff --git a/libs/WindowManager/Shell/tests/unittest/src/com/android/wm/shell/compatui/impl/DefaultCompatUIRepositoryTest.kt b/libs/WindowManager/Shell/tests/unittest/src/com/android/wm/shell/compatui/impl/DefaultCompatUIRepositoryTest.kt
new file mode 100644
index 0000000..1a86cfd
--- /dev/null
+++ b/libs/WindowManager/Shell/tests/unittest/src/com/android/wm/shell/compatui/impl/DefaultCompatUIRepositoryTest.kt
@@ -0,0 +1,89 @@
+/*
+ * 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.wm.shell.compatui.impl
+
+import android.platform.test.flag.junit.DeviceFlagsValueProvider
+import android.testing.AndroidTestingRunner
+import androidx.test.filters.SmallTest
+import com.android.wm.shell.compatui.api.CompatUIRepository
+import com.android.wm.shell.compatui.api.CompatUISpec
+import org.junit.Assert.assertEquals
+import org.junit.Assert.assertNull
+import org.junit.Before
+import org.junit.Rule
+import org.junit.Test
+import org.junit.runner.RunWith
+
+/**
+ * Tests for {@link DefaultCompatUIRepository}.
+ *
+ * Build/Install/Run:
+ *  atest WMShellUnitTests:DefaultCompatUIRepositoryTest
+ */
+@RunWith(AndroidTestingRunner::class)
+@SmallTest
+class DefaultCompatUIRepositoryTest {
+
+    lateinit var repository: CompatUIRepository
+
+    @get:Rule
+    val mCheckFlagsRule = DeviceFlagsValueProvider.createCheckFlagsRule()
+
+    @Before
+    fun setUp() {
+        repository = DefaultCompatUIRepository()
+    }
+
+    @Test(expected = IllegalStateException::class)
+    fun `addSpec throws exception with specs with duplicate id`() {
+        repository.addSpec(CompatUISpec("one"))
+        repository.addSpec(CompatUISpec("one"))
+    }
+
+    @Test
+    fun `iterateOn invokes the consumer`() {
+        with(repository) {
+            addSpec(CompatUISpec("one"))
+            addSpec(CompatUISpec("two"))
+            addSpec(CompatUISpec("three"))
+            val consumer = object : (CompatUISpec) -> Unit {
+                var acc = ""
+                override fun invoke(spec: CompatUISpec) {
+                    acc += spec.name
+                }
+            }
+            iterateOn(consumer)
+            assertEquals("onetwothree", consumer.acc)
+        }
+    }
+
+    @Test
+    fun `findSpec returns existing specs`() {
+        with(repository) {
+            val one = CompatUISpec("one")
+            val two = CompatUISpec("two")
+            val three = CompatUISpec("three")
+            addSpec(one)
+            addSpec(two)
+            addSpec(three)
+            assertEquals(findSpec("one"), one)
+            assertEquals(findSpec("two"), two)
+            assertEquals(findSpec("three"), three)
+            assertNull(findSpec("abc"))
+        }
+    }
+}
\ No newline at end of file
diff --git a/libs/WindowManager/Shell/tests/unittest/src/com/android/wm/shell/compatui/impl/FakeCompatUIRepository.kt b/libs/WindowManager/Shell/tests/unittest/src/com/android/wm/shell/compatui/impl/FakeCompatUIRepository.kt
new file mode 100644
index 0000000..cdc524a
--- /dev/null
+++ b/libs/WindowManager/Shell/tests/unittest/src/com/android/wm/shell/compatui/impl/FakeCompatUIRepository.kt
@@ -0,0 +1,39 @@
+/*
+ * 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.wm.shell.compatui.impl
+
+import com.android.wm.shell.compatui.api.CompatUIRepository
+import com.android.wm.shell.compatui.api.CompatUISpec
+
+/**
+ * Fake implementation for {@link CompatUIRepository}
+ */
+class FakeCompatUIRepository : CompatUIRepository {
+    val allSpecs = mutableMapOf<String, CompatUISpec>()
+    override fun addSpec(spec: CompatUISpec) {
+        if (findSpec(spec.name) != null) {
+            throw IllegalStateException("Spec with name:${spec.name} already present")
+        }
+        allSpecs[spec.name] = spec
+    }
+
+    override fun iterateOn(fn: (CompatUISpec) -> Unit) =
+        allSpecs.values.forEach(fn)
+
+    override fun findSpec(name: String): CompatUISpec? =
+        allSpecs[name]
+}
\ No newline at end of file
diff --git a/libs/WindowManager/Shell/tests/unittest/src/com/android/wm/shell/desktopmode/DesktopTasksControllerTest.kt b/libs/WindowManager/Shell/tests/unittest/src/com/android/wm/shell/desktopmode/DesktopTasksControllerTest.kt
index 8558a77..c56671a 100644
--- a/libs/WindowManager/Shell/tests/unittest/src/com/android/wm/shell/desktopmode/DesktopTasksControllerTest.kt
+++ b/libs/WindowManager/Shell/tests/unittest/src/com/android/wm/shell/desktopmode/DesktopTasksControllerTest.kt
@@ -20,7 +20,6 @@
 import android.app.ActivityManager.RunningTaskInfo
 import android.app.KeyguardManager
 import android.app.WindowConfiguration.ACTIVITY_TYPE_HOME
-import com.android.window.flags.Flags.FLAG_ENABLE_DESKTOP_WINDOWING_MODE
 import android.app.WindowConfiguration.ACTIVITY_TYPE_STANDARD
 import android.app.WindowConfiguration.WINDOWING_MODE_FREEFORM
 import android.app.WindowConfiguration.WINDOWING_MODE_FULLSCREEN
@@ -68,6 +67,7 @@
 import com.android.dx.mockito.inline.extended.ExtendedMockito.never
 import com.android.dx.mockito.inline.extended.StaticMockitoSession
 import com.android.window.flags.Flags
+import com.android.window.flags.Flags.FLAG_ENABLE_DESKTOP_WINDOWING_MODE
 import com.android.wm.shell.MockToken
 import com.android.wm.shell.RootTaskDisplayAreaOrganizer
 import com.android.wm.shell.ShellTaskOrganizer
@@ -125,11 +125,11 @@
 import org.mockito.Mockito.mock
 import org.mockito.Mockito.spy
 import org.mockito.Mockito.verify
-import org.mockito.Mockito.`when` as whenever
 import org.mockito.kotlin.anyOrNull
 import org.mockito.kotlin.atLeastOnce
 import org.mockito.kotlin.capture
 import org.mockito.quality.Strictness
+import org.mockito.Mockito.`when` as whenever
 
 /**
  * Test class for {@link DesktopTasksController}
@@ -1451,7 +1451,7 @@
             .setActivityType(ACTIVITY_TYPE_STANDARD)
             .setWindowingMode(WINDOWING_MODE_FULLSCREEN)
             .build()
-    val transition = createTransition(task = task, type = WindowManager.TRANSIT_CLOSE)
+    val transition = createTransition(task = task, type = TRANSIT_CLOSE)
     val result = controller.handleRequest(Binder(), transition)
     assertThat(result).isNull()
   }
@@ -1545,8 +1545,11 @@
   }
 
   @Test
-  @DisableFlags(Flags.FLAG_ENABLE_DESKTOP_WINDOWING_WALLPAPER_ACTIVITY)
-  fun handleRequest_backTransition_singleActiveTaskNoTokenFlagDisabled_doesNotHandle() {
+  @DisableFlags(
+    Flags.FLAG_ENABLE_DESKTOP_WINDOWING_WALLPAPER_ACTIVITY,
+    Flags.FLAG_ENABLE_DESKTOP_WINDOWING_BACK_NAVIGATION,
+  )
+  fun handleRequest_backTransition_singleActiveTaskNoToken_wallpaperDisabled_backNavDisabled_doesNotHandle() {
     val task = setUpFreeformTask()
 
     val result = controller.handleRequest(Binder(), createTransition(task, type = TRANSIT_TO_BACK))
@@ -1555,8 +1558,22 @@
   }
 
   @Test
+  @EnableFlags(
+    Flags.FLAG_ENABLE_DESKTOP_WINDOWING_WALLPAPER_ACTIVITY,
+    Flags.FLAG_ENABLE_DESKTOP_WINDOWING_BACK_NAVIGATION
+  )
+  fun handleRequest_backTransition_singleActiveTaskNoToken_wallpaperEnabled_backNavEnabled_removesTask() {
+    val task = setUpFreeformTask()
+
+    val result = controller.handleRequest(Binder(), createTransition(task, type = TRANSIT_TO_BACK))
+
+    assertNotNull(result, "Should handle request").assertRemoveAt(0, task.token)
+  }
+
+  @Test
   @EnableFlags(Flags.FLAG_ENABLE_DESKTOP_WINDOWING_WALLPAPER_ACTIVITY)
-  fun handleRequest_backTransition_singleActiveTaskNoTokenFlagEnabled_doesNotHandle() {
+  @DisableFlags(Flags.FLAG_ENABLE_DESKTOP_WINDOWING_BACK_NAVIGATION)
+  fun handleRequest_backTransition_singleActiveTaskNoToken_backNavigationDisabled_doesNotHandle() {
     val task = setUpFreeformTask()
 
     val result = controller.handleRequest(Binder(), createTransition(task, type = TRANSIT_TO_BACK))
@@ -1565,8 +1582,11 @@
   }
 
   @Test
-  @DisableFlags(Flags.FLAG_ENABLE_DESKTOP_WINDOWING_WALLPAPER_ACTIVITY)
-  fun handleRequest_backTransition_singleActiveTaskWithTokenFlagDisabled_doesNotHandle() {
+  @DisableFlags(
+    Flags.FLAG_ENABLE_DESKTOP_WINDOWING_WALLPAPER_ACTIVITY,
+    Flags.FLAG_ENABLE_DESKTOP_WINDOWING_BACK_NAVIGATION
+  )
+  fun handleRequest_backTransition_singleActiveTaskWithToken_wallpaperDisabled_backNavDisabled_doesNotHandle() {
     val task = setUpFreeformTask()
 
     desktopModeTaskRepository.wallpaperActivityToken = MockToken().token()
@@ -1576,22 +1596,42 @@
   }
 
   @Test
-  @EnableFlags(Flags.FLAG_ENABLE_DESKTOP_WINDOWING_WALLPAPER_ACTIVITY)
-  fun handleRequest_backTransition_singleActiveTaskWithTokenFlagEnabled_handlesRequest() {
+  @EnableFlags(
+    Flags.FLAG_ENABLE_DESKTOP_WINDOWING_WALLPAPER_ACTIVITY,
+    Flags.FLAG_ENABLE_DESKTOP_WINDOWING_BACK_NAVIGATION
+  )
+  fun handleRequest_backTransition_singleActiveTaskWithToken_wallpaperEnabled_backNavEnabled_removesWallpaperAndTask() {
     val task = setUpFreeformTask()
     val wallpaperToken = MockToken().token()
 
     desktopModeTaskRepository.wallpaperActivityToken = wallpaperToken
     val result = controller.handleRequest(Binder(), createTransition(task, type = TRANSIT_TO_BACK))
 
-    assertNotNull(result, "Should handle request")
-      // Should create remove wallpaper transaction
-      .assertRemoveAt(index = 0, wallpaperToken)
+    // Should create remove wallpaper transaction
+    assertNotNull(result, "Should handle request").assertRemoveAt(index = 0, wallpaperToken)
+    result.assertRemoveAt(index = 1, task.token)
   }
 
   @Test
-  @DisableFlags(Flags.FLAG_ENABLE_DESKTOP_WINDOWING_WALLPAPER_ACTIVITY)
-  fun handleRequest_backTransition_multipleActiveTasksFlagDisabled_doesNotHandle() {
+  @EnableFlags(Flags.FLAG_ENABLE_DESKTOP_WINDOWING_WALLPAPER_ACTIVITY)
+  @DisableFlags(Flags.FLAG_ENABLE_DESKTOP_WINDOWING_BACK_NAVIGATION)
+  fun handleRequest_backTransition_singleActiveTaskWithToken_backNavigationDisabled_removesWallpaper() {
+    val task = setUpFreeformTask()
+    val wallpaperToken = MockToken().token()
+
+    desktopModeTaskRepository.wallpaperActivityToken = wallpaperToken
+    val result = controller.handleRequest(Binder(), createTransition(task, type = TRANSIT_TO_BACK))
+
+    // Should create remove wallpaper transaction
+    assertNotNull(result, "Should handle request").assertRemoveAt(index = 0, wallpaperToken)
+  }
+
+  @Test
+  @DisableFlags(
+    Flags.FLAG_ENABLE_DESKTOP_WINDOWING_WALLPAPER_ACTIVITY,
+    Flags.FLAG_ENABLE_DESKTOP_WINDOWING_BACK_NAVIGATION
+  )
+  fun handleRequest_backTransition_multipleTasks_wallpaperDisabled_backNavDisabled_doesNotHandle() {
     val task1 = setUpFreeformTask()
     setUpFreeformTask()
 
@@ -1602,8 +1642,24 @@
   }
 
   @Test
+  @EnableFlags(
+    Flags.FLAG_ENABLE_DESKTOP_WINDOWING_WALLPAPER_ACTIVITY,
+    Flags.FLAG_ENABLE_DESKTOP_WINDOWING_BACK_NAVIGATION
+  )
+  fun handleRequest_backTransition_multipleTasks_wallpaperEnabled_backNavEnabled_removesTask() {
+    val task1 = setUpFreeformTask()
+    setUpFreeformTask()
+
+    desktopModeTaskRepository.wallpaperActivityToken = MockToken().token()
+    val result = controller.handleRequest(Binder(), createTransition(task1, type = TRANSIT_TO_BACK))
+
+    assertNotNull(result, "Should handle request").assertRemoveAt(index = 0, task1.token)
+  }
+
+  @Test
   @EnableFlags(Flags.FLAG_ENABLE_DESKTOP_WINDOWING_WALLPAPER_ACTIVITY)
-  fun handleRequest_backTransition_multipleActiveTasksFlagEnabled_doesNotHandle() {
+  @DisableFlags(Flags.FLAG_ENABLE_DESKTOP_WINDOWING_BACK_NAVIGATION)
+  fun handleRequest_backTransition_multipleTasks_backNavigationDisabled_doesNotHandle() {
     val task1 = setUpFreeformTask()
     setUpFreeformTask()
 
@@ -1614,8 +1670,11 @@
   }
 
   @Test
-  @EnableFlags(Flags.FLAG_ENABLE_DESKTOP_WINDOWING_WALLPAPER_ACTIVITY)
-  fun handleRequest_backTransition_multipleActiveTasksSingleNonClosing_handlesRequest() {
+  @EnableFlags(
+    Flags.FLAG_ENABLE_DESKTOP_WINDOWING_WALLPAPER_ACTIVITY,
+    Flags.FLAG_ENABLE_DESKTOP_WINDOWING_BACK_NAVIGATION
+  )
+  fun handleRequest_backTransition_multipleTasksSingleNonClosing_wallpaperEnabled_backNavEnabled_removesWallpaperAndTask() {
     val task1 = setUpFreeformTask(displayId = DEFAULT_DISPLAY)
     val task2 = setUpFreeformTask(displayId = DEFAULT_DISPLAY)
     val wallpaperToken = MockToken().token()
@@ -1624,14 +1683,33 @@
     desktopModeTaskRepository.addClosingTask(displayId = DEFAULT_DISPLAY, taskId = task2.taskId)
     val result = controller.handleRequest(Binder(), createTransition(task1, type = TRANSIT_TO_BACK))
 
-    assertNotNull(result, "Should handle request")
-      // Should create remove wallpaper transaction
-      .assertRemoveAt(index = 0, wallpaperToken)
+    // Should create remove wallpaper transaction
+    assertNotNull(result, "Should handle request").assertRemoveAt(index = 0, wallpaperToken)
+    result.assertRemoveAt(index = 1, task1.token)
   }
 
   @Test
   @EnableFlags(Flags.FLAG_ENABLE_DESKTOP_WINDOWING_WALLPAPER_ACTIVITY)
-  fun handleRequest_backTransition_multipleActiveTasksSingleNonMinimized_handlesRequest() {
+  @DisableFlags(Flags.FLAG_ENABLE_DESKTOP_WINDOWING_BACK_NAVIGATION)
+  fun handleRequest_backTransition_multipleTasksSingleNonClosing_backNavigationDisabled_removesWallpaper() {
+    val task1 = setUpFreeformTask(displayId = DEFAULT_DISPLAY)
+    val task2 = setUpFreeformTask(displayId = DEFAULT_DISPLAY)
+    val wallpaperToken = MockToken().token()
+
+    desktopModeTaskRepository.wallpaperActivityToken = wallpaperToken
+    desktopModeTaskRepository.addClosingTask(displayId = DEFAULT_DISPLAY, taskId = task2.taskId)
+    val result = controller.handleRequest(Binder(), createTransition(task1, type = TRANSIT_TO_BACK))
+
+    // Should create remove wallpaper transaction
+    assertNotNull(result, "Should handle request").assertRemoveAt(index = 0, wallpaperToken)
+  }
+
+  @Test
+  @EnableFlags(
+    Flags.FLAG_ENABLE_DESKTOP_WINDOWING_WALLPAPER_ACTIVITY,
+    Flags.FLAG_ENABLE_DESKTOP_WINDOWING_BACK_NAVIGATION
+  )
+  fun handleRequest_backTransition_multipleTasksSingleNonMinimized_wallpaperEnabled_backNavEnabled_removesWallpaperAndTask() {
     val task1 = setUpFreeformTask(displayId = DEFAULT_DISPLAY)
     val task2 = setUpFreeformTask(displayId = DEFAULT_DISPLAY)
     val wallpaperToken = MockToken().token()
@@ -1640,24 +1718,53 @@
     desktopModeTaskRepository.minimizeTask(displayId = DEFAULT_DISPLAY, taskId = task2.taskId)
     val result = controller.handleRequest(Binder(), createTransition(task1, type = TRANSIT_TO_BACK))
 
-    assertNotNull(result, "Should handle request")
-      // Should create remove wallpaper transaction
-      .assertRemoveAt(index = 0, wallpaperToken)
-  }
-
-  @Test
-  @DisableFlags(Flags.FLAG_ENABLE_DESKTOP_WINDOWING_WALLPAPER_ACTIVITY)
-  fun handleRequest_closeTransition_singleActiveTaskNoTokenFlagDisabled_doesNotHandle() {
-    val task = setUpFreeformTask()
-
-    val result = controller.handleRequest(Binder(), createTransition(task, type = TRANSIT_CLOSE))
-
-    assertNull(result, "Should not handle request")
+    // Should create remove wallpaper transaction
+    assertNotNull(result, "Should handle request").assertRemoveAt(index = 0, wallpaperToken)
+    result.assertRemoveAt(index = 1, task1.token)
   }
 
   @Test
   @EnableFlags(Flags.FLAG_ENABLE_DESKTOP_WINDOWING_WALLPAPER_ACTIVITY)
-  fun handleRequest_closeTransition_singleActiveTaskNoTokenFlagEnabled_doesNotHandle() {
+  @DisableFlags(Flags.FLAG_ENABLE_DESKTOP_WINDOWING_BACK_NAVIGATION)
+  fun handleRequest_backTransition_multipleTasksSingleNonMinimized_backNavigationDisabled_removesWallpaper() {
+    val task1 = setUpFreeformTask(displayId = DEFAULT_DISPLAY)
+    val task2 = setUpFreeformTask(displayId = DEFAULT_DISPLAY)
+    val wallpaperToken = MockToken().token()
+
+    desktopModeTaskRepository.wallpaperActivityToken = wallpaperToken
+    desktopModeTaskRepository.minimizeTask(displayId = DEFAULT_DISPLAY, taskId = task2.taskId)
+    val result = controller.handleRequest(Binder(), createTransition(task1, type = TRANSIT_TO_BACK))
+
+    // Should create remove wallpaper transaction
+    assertNotNull(result, "Should handle request").assertRemoveAt(index = 0, wallpaperToken)
+  }
+
+  @Test
+  @EnableFlags(
+    Flags.FLAG_ENABLE_DESKTOP_WINDOWING_WALLPAPER_ACTIVITY,
+    Flags.FLAG_ENABLE_DESKTOP_WINDOWING_BACK_NAVIGATION
+  )
+  fun handleRequest_backTransition_nonMinimizadTask_wallpaperEnabled_backNavEnabled_removesWallpaper() {
+    val task1 = setUpFreeformTask(displayId = DEFAULT_DISPLAY)
+    val task2 = setUpFreeformTask(displayId = DEFAULT_DISPLAY)
+    val wallpaperToken = MockToken().token()
+
+    desktopModeTaskRepository.wallpaperActivityToken = wallpaperToken
+    desktopModeTaskRepository.minimizeTask(displayId = DEFAULT_DISPLAY, taskId = task2.taskId)
+    // Task is being minimized so mark it as not visible.
+    desktopModeTaskRepository
+      .updateVisibleFreeformTasks(displayId = DEFAULT_DISPLAY, task2.taskId, false)
+    val result = controller.handleRequest(Binder(), createTransition(task2, type = TRANSIT_TO_BACK))
+
+    assertNull(result, "Should not handle request")
+  }
+
+  @Test
+  @DisableFlags(
+    Flags.FLAG_ENABLE_DESKTOP_WINDOWING_WALLPAPER_ACTIVITY,
+    Flags.FLAG_ENABLE_DESKTOP_WINDOWING_BACK_NAVIGATION
+  )
+  fun handleRequest_closeTransition_singleActiveTaskNoToken_wallpaperDisabled_backNavDisabled_doesNotHandle() {
     val task = setUpFreeformTask()
 
     val result = controller.handleRequest(Binder(), createTransition(task, type = TRANSIT_CLOSE))
@@ -1666,8 +1773,35 @@
   }
 
   @Test
-  @DisableFlags(Flags.FLAG_ENABLE_DESKTOP_WINDOWING_WALLPAPER_ACTIVITY)
-  fun handleRequest_closeTransition_singleActiveTaskWithTokenFlagDisabled_doesNotHandle() {
+  @EnableFlags(
+    Flags.FLAG_ENABLE_DESKTOP_WINDOWING_WALLPAPER_ACTIVITY,
+    Flags.FLAG_ENABLE_DESKTOP_WINDOWING_BACK_NAVIGATION
+  )
+  fun handleRequest_closeTransition_singleActiveTaskNoToken_wallpaperEnabled_backNavEnabled_removesTask() {
+    val task = setUpFreeformTask()
+
+    val result = controller.handleRequest(Binder(), createTransition(task, type = TRANSIT_CLOSE))
+
+    assertNotNull(result, "Should handle request").assertRemoveAt(index = 0, task.token)
+  }
+
+  @Test
+  @EnableFlags(Flags.FLAG_ENABLE_DESKTOP_WINDOWING_WALLPAPER_ACTIVITY)
+  @DisableFlags(Flags.FLAG_ENABLE_DESKTOP_WINDOWING_BACK_NAVIGATION)
+  fun handleRequest_closeTransition_singleActiveTaskNoToken_backNavigationDisabled_doesNotHandle() {
+    val task = setUpFreeformTask()
+
+    val result = controller.handleRequest(Binder(), createTransition(task, type = TRANSIT_CLOSE))
+
+    assertNull(result, "Should not handle request")
+  }
+
+  @Test
+  @DisableFlags(
+    Flags.FLAG_ENABLE_DESKTOP_WINDOWING_WALLPAPER_ACTIVITY,
+    Flags.FLAG_ENABLE_DESKTOP_WINDOWING_BACK_NAVIGATION
+  )
+  fun handleRequest_closeTransition_singleActiveTaskWithToken_wallpaperDisabled_backNavDisabled_doesNotHandle() {
     val task = setUpFreeformTask()
 
     desktopModeTaskRepository.wallpaperActivityToken = MockToken().token()
@@ -1677,22 +1811,71 @@
   }
 
   @Test
-  @EnableFlags(Flags.FLAG_ENABLE_DESKTOP_WINDOWING_WALLPAPER_ACTIVITY)
-  fun handleRequest_closeTransition_singleActiveTaskWithTokenFlagEnabled_handlesRequest() {
+  @EnableFlags(
+    Flags.FLAG_ENABLE_DESKTOP_WINDOWING_WALLPAPER_ACTIVITY,
+    Flags.FLAG_ENABLE_DESKTOP_WINDOWING_BACK_NAVIGATION
+  )
+  fun handleRequest_closeTransition_singleActiveTaskWithToken_wallpaperEnabled_backNavEnabled_removesWallpaperAndTask() {
     val task = setUpFreeformTask()
     val wallpaperToken = MockToken().token()
 
     desktopModeTaskRepository.wallpaperActivityToken = wallpaperToken
     val result = controller.handleRequest(Binder(), createTransition(task, type = TRANSIT_CLOSE))
 
+    // Should create remove wallpaper transaction
+    assertNotNull(result, "Should handle request").assertRemoveAt(index = 0, wallpaperToken)
+    result.assertRemoveAt(index = 1, task.token)
+  }
+
+  @Test
+  @EnableFlags(Flags.FLAG_ENABLE_DESKTOP_WINDOWING_WALLPAPER_ACTIVITY)
+  @DisableFlags(Flags.FLAG_ENABLE_DESKTOP_WINDOWING_BACK_NAVIGATION)
+  fun handleRequest_closeTransition_singleActiveTaskWithToken_backNavigationDisabled_removesWallpaper() {
+    val task = setUpFreeformTask()
+    val wallpaperToken = MockToken().token()
+
+    desktopModeTaskRepository.wallpaperActivityToken = wallpaperToken
+    val result = controller.handleRequest(Binder(), createTransition(task, type = TRANSIT_CLOSE))
+
+    // Should create remove wallpaper transaction
+    assertNotNull(result, "Should handle request").assertRemoveAt(index = 0, wallpaperToken)
+  }
+
+  @Test
+  @DisableFlags(
+    Flags.FLAG_ENABLE_DESKTOP_WINDOWING_WALLPAPER_ACTIVITY,
+    Flags.FLAG_ENABLE_DESKTOP_WINDOWING_BACK_NAVIGATION
+  )
+  fun handleRequest_closeTransition_multipleTasks_wallpaperDisabled_backNavDisabled_doesNotHandle() {
+    val task1 = setUpFreeformTask()
+    setUpFreeformTask()
+
+    desktopModeTaskRepository.wallpaperActivityToken = MockToken().token()
+    val result = controller.handleRequest(Binder(), createTransition(task1, type = TRANSIT_CLOSE))
+
+    assertNull(result, "Should not handle request")
+  }
+
+  @Test
+  @EnableFlags(
+    Flags.FLAG_ENABLE_DESKTOP_WINDOWING_WALLPAPER_ACTIVITY,
+    Flags.FLAG_ENABLE_DESKTOP_WINDOWING_BACK_NAVIGATION
+  )
+  fun handleRequest_closeTransition_multipleTasks_wallpaperEnabled_backNavEnabled_removesTask() {
+    val task1 = setUpFreeformTask()
+    setUpFreeformTask()
+
+    desktopModeTaskRepository.wallpaperActivityToken = MockToken().token()
+    val result = controller.handleRequest(Binder(), createTransition(task1, type = TRANSIT_CLOSE))
+
     assertNotNull(result, "Should handle request")
-      // Should create remove wallpaper transaction
-      .assertRemoveAt(index = 0, wallpaperToken)
+    result.assertRemoveAt(index = 0, task1.token)
   }
 
   @Test
-  @DisableFlags(Flags.FLAG_ENABLE_DESKTOP_WINDOWING_WALLPAPER_ACTIVITY)
-  fun handleRequest_closeTransition_multipleActiveTasksFlagDisabled_doesNotHandle() {
+  @EnableFlags(Flags.FLAG_ENABLE_DESKTOP_WINDOWING_WALLPAPER_ACTIVITY)
+  @DisableFlags(Flags.FLAG_ENABLE_DESKTOP_WINDOWING_BACK_NAVIGATION)
+  fun handleRequest_closeTransition_multipleTasksFlagEnabled_backNavigationDisabled_doesNotHandle() {
     val task1 = setUpFreeformTask()
     setUpFreeformTask()
 
@@ -1703,20 +1886,11 @@
   }
 
   @Test
-  @EnableFlags(Flags.FLAG_ENABLE_DESKTOP_WINDOWING_WALLPAPER_ACTIVITY)
-  fun handleRequest_closeTransition_multipleActiveTasksFlagEnabled_doesNotHandle() {
-    val task1 = setUpFreeformTask()
-    setUpFreeformTask()
-
-    desktopModeTaskRepository.wallpaperActivityToken = MockToken().token()
-    val result = controller.handleRequest(Binder(), createTransition(task1, type = TRANSIT_CLOSE))
-
-    assertNull(result, "Should not handle request")
-  }
-
-  @Test
-  @EnableFlags(Flags.FLAG_ENABLE_DESKTOP_WINDOWING_WALLPAPER_ACTIVITY)
-  fun handleRequest_closeTransition_multipleActiveTasksSingleNonClosing_handlesRequest() {
+  @EnableFlags(
+    Flags.FLAG_ENABLE_DESKTOP_WINDOWING_WALLPAPER_ACTIVITY,
+    Flags.FLAG_ENABLE_DESKTOP_WINDOWING_BACK_NAVIGATION
+  )
+  fun handleRequest_closeTransition_multipleTasksSingleNonClosing_wallpaperEnabled_backNavEnabled_removesWallpaperAndTask() {
     val task1 = setUpFreeformTask(displayId = DEFAULT_DISPLAY)
     val task2 = setUpFreeformTask(displayId = DEFAULT_DISPLAY)
     val wallpaperToken = MockToken().token()
@@ -1725,14 +1899,33 @@
     desktopModeTaskRepository.addClosingTask(displayId = DEFAULT_DISPLAY, taskId = task2.taskId)
     val result = controller.handleRequest(Binder(), createTransition(task1, type = TRANSIT_CLOSE))
 
-    assertNotNull(result, "Should handle request")
-      // Should create remove wallpaper transaction
-      .assertRemoveAt(index = 0, wallpaperToken)
+    // Should create remove wallpaper transaction
+    assertNotNull(result, "Should handle request").assertRemoveAt(index = 0, wallpaperToken)
+    result.assertRemoveAt(index = 1, task1.token)
   }
 
   @Test
   @EnableFlags(Flags.FLAG_ENABLE_DESKTOP_WINDOWING_WALLPAPER_ACTIVITY)
-  fun handleRequest_closeTransition_multipleActiveTasksSingleNonMinimized_handlesRequest() {
+  @DisableFlags(Flags.FLAG_ENABLE_DESKTOP_WINDOWING_BACK_NAVIGATION)
+  fun handleRequest_closeTransition_multipleTasksSingleNonClosing_backNavigationDisabled_removesWallpaper() {
+    val task1 = setUpFreeformTask(displayId = DEFAULT_DISPLAY)
+    val task2 = setUpFreeformTask(displayId = DEFAULT_DISPLAY)
+    val wallpaperToken = MockToken().token()
+
+    desktopModeTaskRepository.wallpaperActivityToken = wallpaperToken
+    desktopModeTaskRepository.addClosingTask(displayId = DEFAULT_DISPLAY, taskId = task2.taskId)
+    val result = controller.handleRequest(Binder(), createTransition(task1, type = TRANSIT_CLOSE))
+
+    // Should create remove wallpaper transaction
+    assertNotNull(result, "Should handle request").assertRemoveAt(index = 0, wallpaperToken)
+  }
+
+  @Test
+  @EnableFlags(
+    Flags.FLAG_ENABLE_DESKTOP_WINDOWING_WALLPAPER_ACTIVITY,
+    Flags.FLAG_ENABLE_DESKTOP_WINDOWING_BACK_NAVIGATION
+  )
+  fun handleRequest_closeTransition_multipleTasksOneNonMinimized_wallpaperEnabled_backNavEnabled_removesWallpaperAndTask() {
     val task1 = setUpFreeformTask(displayId = DEFAULT_DISPLAY)
     val task2 = setUpFreeformTask(displayId = DEFAULT_DISPLAY)
     val wallpaperToken = MockToken().token()
@@ -1741,9 +1934,45 @@
     desktopModeTaskRepository.minimizeTask(displayId = DEFAULT_DISPLAY, taskId = task2.taskId)
     val result = controller.handleRequest(Binder(), createTransition(task1, type = TRANSIT_CLOSE))
 
-    assertNotNull(result, "Should handle request")
-      // Should create remove wallpaper transaction
-      .assertRemoveAt(index = 0, wallpaperToken)
+    // Should create remove wallpaper transaction
+    assertNotNull(result, "Should handle request").assertRemoveAt(index = 0, wallpaperToken)
+    result.assertRemoveAt(index = 1, task1.token)
+  }
+
+  @Test
+  @EnableFlags(Flags.FLAG_ENABLE_DESKTOP_WINDOWING_WALLPAPER_ACTIVITY)
+  @DisableFlags(Flags.FLAG_ENABLE_DESKTOP_WINDOWING_BACK_NAVIGATION)
+  fun handleRequest_closeTransition_multipleTasksSingleNonMinimized_backNavigationDisabled_removesWallpaper() {
+    val task1 = setUpFreeformTask(displayId = DEFAULT_DISPLAY)
+    val task2 = setUpFreeformTask(displayId = DEFAULT_DISPLAY)
+    val wallpaperToken = MockToken().token()
+
+    desktopModeTaskRepository.wallpaperActivityToken = wallpaperToken
+    desktopModeTaskRepository.minimizeTask(displayId = DEFAULT_DISPLAY, taskId = task2.taskId)
+    val result = controller.handleRequest(Binder(), createTransition(task1, type = TRANSIT_CLOSE))
+
+    // Should create remove wallpaper transaction
+    assertNotNull(result, "Should handle request").assertRemoveAt(index = 0, wallpaperToken)
+  }
+
+  @Test
+  @EnableFlags(
+    Flags.FLAG_ENABLE_DESKTOP_WINDOWING_WALLPAPER_ACTIVITY,
+    Flags.FLAG_ENABLE_DESKTOP_WINDOWING_BACK_NAVIGATION
+  )
+  fun handleRequest_closeTransition_minimizadTask_wallpaperEnabled_backNavEnabled_removesWallpaper() {
+    val task1 = setUpFreeformTask(displayId = DEFAULT_DISPLAY)
+    val task2 = setUpFreeformTask(displayId = DEFAULT_DISPLAY)
+    val wallpaperToken = MockToken().token()
+
+    desktopModeTaskRepository.wallpaperActivityToken = wallpaperToken
+    desktopModeTaskRepository.minimizeTask(displayId = DEFAULT_DISPLAY, taskId = task2.taskId)
+    // Task is being minimized so mark it as not visible.
+    desktopModeTaskRepository
+      .updateVisibleFreeformTasks(displayId = DEFAULT_DISPLAY, task2.taskId, false)
+    val result = controller.handleRequest(Binder(), createTransition(task2, type = TRANSIT_TO_BACK))
+
+    assertNull(result, "Should not handle request")
   }
 
   @Test
diff --git a/libs/WindowManager/Shell/tests/unittest/src/com/android/wm/shell/pip/phone/PipControllerTest.java b/libs/WindowManager/Shell/tests/unittest/src/com/android/wm/shell/pip/phone/PipControllerTest.java
index 75d2145..6888de5 100644
--- a/libs/WindowManager/Shell/tests/unittest/src/com/android/wm/shell/pip/phone/PipControllerTest.java
+++ b/libs/WindowManager/Shell/tests/unittest/src/com/android/wm/shell/pip/phone/PipControllerTest.java
@@ -182,7 +182,7 @@
 
     @Test
     public void instantiatePipController_registersPipTransitionCallback() {
-        verify(mMockPipTransitionController).registerPipTransitionCallback(any(), any());
+        verify(mMockPipTransitionController).registerPipTransitionCallback(any());
     }
 
     @Test
diff --git a/libs/WindowManager/Shell/tests/unittest/src/com/android/wm/shell/pip/phone/PipResizeGestureHandlerTest.java b/libs/WindowManager/Shell/tests/unittest/src/com/android/wm/shell/pip/phone/PipResizeGestureHandlerTest.java
index 66f8c0b..ace09a8 100644
--- a/libs/WindowManager/Shell/tests/unittest/src/com/android/wm/shell/pip/phone/PipResizeGestureHandlerTest.java
+++ b/libs/WindowManager/Shell/tests/unittest/src/com/android/wm/shell/pip/phone/PipResizeGestureHandlerTest.java
@@ -114,8 +114,8 @@
         final PipBoundsAlgorithm pipBoundsAlgorithm = new PipBoundsAlgorithm(mContext,
                 mPipBoundsState, pipSnapAlgorithm, pipKeepClearAlgorithm, mPipDisplayLayoutState,
                 mSizeSpecSource);
-        final PipMotionHelper motionHelper = new PipMotionHelper(mContext, mMainExecutor,
-                mPipBoundsState, mPipTaskOrganizer, mPhonePipMenuController, pipSnapAlgorithm,
+        final PipMotionHelper motionHelper = new PipMotionHelper(mContext, mPipBoundsState,
+                mPipTaskOrganizer, mPhonePipMenuController, pipSnapAlgorithm,
                 mMockPipTransitionController, mFloatingContentCoordinator,
                 Optional.empty() /* pipPerfHintControllerOptional */);
 
diff --git a/libs/WindowManager/Shell/tests/unittest/src/com/android/wm/shell/pip/phone/PipTouchHandlerTest.java b/libs/WindowManager/Shell/tests/unittest/src/com/android/wm/shell/pip/phone/PipTouchHandlerTest.java
index 6d18e36..92762fa 100644
--- a/libs/WindowManager/Shell/tests/unittest/src/com/android/wm/shell/pip/phone/PipTouchHandlerTest.java
+++ b/libs/WindowManager/Shell/tests/unittest/src/com/android/wm/shell/pip/phone/PipTouchHandlerTest.java
@@ -116,8 +116,8 @@
         mPipSnapAlgorithm = new PipSnapAlgorithm();
         mPipBoundsAlgorithm = new PipBoundsAlgorithm(mContext, mPipBoundsState, mPipSnapAlgorithm,
                 new PipKeepClearAlgorithmInterface() {}, mPipDisplayLayoutState, mSizeSpecSource);
-        PipMotionHelper pipMotionHelper = new PipMotionHelper(mContext, mMainExecutor,
-                mPipBoundsState, mPipTaskOrganizer, mPhonePipMenuController, mPipSnapAlgorithm,
+        PipMotionHelper pipMotionHelper = new PipMotionHelper(mContext, mPipBoundsState,
+                mPipTaskOrganizer, mPhonePipMenuController, mPipSnapAlgorithm,
                 mMockPipTransitionController, mFloatingContentCoordinator,
                 Optional.empty() /* pipPerfHintControllerOptional */);
         mPipTouchHandler = new PipTouchHandler(mContext, mShellInit, mPhonePipMenuController,
diff --git a/media/java/android/media/AudioSystem.java b/media/java/android/media/AudioSystem.java
index d148afd..52b5ff7 100644
--- a/media/java/android/media/AudioSystem.java
+++ b/media/java/android/media/AudioSystem.java
@@ -2649,4 +2649,11 @@
      * @hide
      */
     public static native boolean isBluetoothVariableLatencyEnabled();
+
+    /**
+     * Register a native listener for system property sysprop
+     * @param callback the listener which fires when the property changes
+     * @hide
+     */
+    public static native void listenForSystemPropertyChange(String sysprop, Runnable callback);
 }
diff --git a/media/java/android/media/projection/MediaProjection.java b/media/java/android/media/projection/MediaProjection.java
index 4059291..999f40e5 100644
--- a/media/java/android/media/projection/MediaProjection.java
+++ b/media/java/android/media/projection/MediaProjection.java
@@ -312,6 +312,10 @@
          * <p>Once a MediaProjection has been stopped, it's up to the application to release any
          * resources it may be holding (e.g. releasing the {@link VirtualDisplay} and
          * {@link Surface}).
+         *
+         * <p>After this callback any call to
+         * {@link MediaProjection#createVirtualDisplay} will fail, even if no such
+         * {@link VirtualDisplay} was ever created for this MediaProjection session.
          */
         public void onStop() { }
 
diff --git a/media/java/android/media/projection/MediaProjectionManager.java b/media/java/android/media/projection/MediaProjectionManager.java
index 7ed67dc..4013d84 100644
--- a/media/java/android/media/projection/MediaProjectionManager.java
+++ b/media/java/android/media/projection/MediaProjectionManager.java
@@ -43,25 +43,31 @@
 /**
  * Manages the retrieval of certain types of {@link MediaProjection} tokens.
  *
- * <p><ol>An example flow of starting a media projection will be:
- *     <li>Declare a foreground service with the type {@code mediaProjection} in
- *     the {@code AndroidManifest.xml}.
- *     </li>
- *     <li>Create an intent by calling {@link MediaProjectionManager#createScreenCaptureIntent()}
- *         and pass this intent to {@link Activity#startActivityForResult(Intent, int)}.
- *     </li>
- *     <li>On getting {@link Activity#onActivityResult(int, int, Intent)},
- *         start the foreground service with the type
- *         {@link android.content.pm.ServiceInfo#FOREGROUND_SERVICE_TYPE_MEDIA_PROJECTION}.
- *     </li>
- *     <li>Retrieve the media projection token by calling
- *         {@link MediaProjectionManager#getMediaProjection(int, Intent)} with the result code and
- *         intent from the {@link Activity#onActivityResult(int, int, Intent)} above.
- *     </li>
- *     <li>Start the screen capture session for media projection by calling
- *         {@link MediaProjection#createVirtualDisplay(String, int, int, int, int, Surface,
- *         android.hardware.display.VirtualDisplay.Callback, Handler)}.
- *     </li>
+ * <p>
+ *
+ * <ol>
+ *   An example flow of starting a media projection will be:
+ *   <li>Declare a foreground service with the type {@code mediaProjection} in the {@code
+ *       AndroidManifest.xml}.
+ *   <li>Create an intent by calling {@link MediaProjectionManager#createScreenCaptureIntent()} and
+ *       pass this intent to {@link Activity#startActivityForResult(Intent, int)}.
+ *   <li>On getting {@link Activity#onActivityResult(int, int, Intent)}, start the foreground
+ *       service with the type {@link
+ *       android.content.pm.ServiceInfo#FOREGROUND_SERVICE_TYPE_MEDIA_PROJECTION}.
+ *   <li>Retrieve the media projection token by calling {@link
+ *       MediaProjectionManager#getMediaProjection(int, Intent)} with the result code and intent
+ *       from the {@link Activity#onActivityResult(int, int, Intent)} above.
+ *   <li>Register a {@link MediaProjection.Callback} by calling {@link
+ *       MediaProjection#registerCallback(MediaProjection.Callback, Handler)}. This is required to
+ *       receive notifications about when the {@link MediaProjection} or captured content changes
+ *       state. When receiving an `onStop()` callback, the client must clean up any resources it is
+ *       holding, e.g. the {@link VirtualDisplay} and {@link Surface}. The MediaProjection may
+ *       further no longer create any new {@link VirtualDisplay}s via {@link
+ *       MediaProjection#createVirtualDisplay(String, int, int, int, int, Surface,
+ *       VirtualDisplay.Callback, Handler)}.
+ *   <li>Start the screen capture session for media projection by calling {@link
+ *       MediaProjection#createVirtualDisplay(String, int, int, int, int, Surface,
+ *       android.hardware.display.VirtualDisplay.Callback, Handler)}.
  * </ol>
  */
 @SystemService(Context.MEDIA_PROJECTION_SERVICE)
diff --git a/packages/SettingsLib/Spa/gallery/AndroidManifest.xml b/packages/SettingsLib/Spa/gallery/AndroidManifest.xml
index df5644b..2645360 100644
--- a/packages/SettingsLib/Spa/gallery/AndroidManifest.xml
+++ b/packages/SettingsLib/Spa/gallery/AndroidManifest.xml
@@ -46,20 +46,6 @@
             </intent-filter>
         </provider>
 
-        <provider android:name="com.android.settingslib.spa.slice.SpaSliceProvider"
-            android:authorities="com.android.spa.gallery.slice.provider"
-            android:exported="true" >
-            <intent-filter>
-                <action android:name="android.intent.action.VIEW" />
-                <category android:name="android.app.slice.category.SLICE" />
-            </intent-filter>
-        </provider>
-
-        <receiver
-            android:name="com.android.settingslib.spa.slice.SpaSliceBroadcastReceiver"
-            android:exported="false">
-        </receiver>
-
         <activity
             android:name="com.android.settingslib.spa.debug.BlankActivity"
             android:exported="true">
diff --git a/packages/SettingsLib/Spa/gallery/src/com/android/settingslib/spa/gallery/GallerySpaEnvironment.kt b/packages/SettingsLib/Spa/gallery/src/com/android/settingslib/spa/gallery/GallerySpaEnvironment.kt
index 91bd791..ffd2879 100644
--- a/packages/SettingsLib/Spa/gallery/src/com/android/settingslib/spa/gallery/GallerySpaEnvironment.kt
+++ b/packages/SettingsLib/Spa/gallery/src/com/android/settingslib/spa/gallery/GallerySpaEnvironment.kt
@@ -55,7 +55,6 @@
 import com.android.settingslib.spa.gallery.ui.CopyablePageProvider
 import com.android.settingslib.spa.gallery.scaffold.ScrollablePagerPageProvider
 import com.android.settingslib.spa.gallery.ui.SpinnerPageProvider
-import com.android.settingslib.spa.slice.SpaSliceBroadcastReceiver
 
 /**
  * Enum to define all SPP name here.
@@ -120,9 +119,7 @@
     override val logger = DebugLogger()
 
     override val browseActivityClass = GalleryMainActivity::class.java
-    override val sliceBroadcastReceiverClass = SpaSliceBroadcastReceiver::class.java
 
     // For debugging
     override val searchProviderAuthorities = "com.android.spa.gallery.search.provider"
-    override val sliceProviderAuthorities = "com.android.spa.gallery.slice.provider"
 }
diff --git a/packages/SettingsLib/Spa/gallery/src/com/android/settingslib/spa/gallery/preference/PreferencePageProvider.kt b/packages/SettingsLib/Spa/gallery/src/com/android/settingslib/spa/gallery/preference/PreferencePageProvider.kt
index 96de1a7..6d1d346 100644
--- a/packages/SettingsLib/Spa/gallery/src/com/android/settingslib/spa/gallery/preference/PreferencePageProvider.kt
+++ b/packages/SettingsLib/Spa/gallery/src/com/android/settingslib/spa/gallery/preference/PreferencePageProvider.kt
@@ -27,7 +27,6 @@
 import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.tooling.preview.Preview
 import com.android.settingslib.spa.framework.common.EntrySearchData
-import com.android.settingslib.spa.framework.common.EntrySliceData
 import com.android.settingslib.spa.framework.common.EntryStatusData
 import com.android.settingslib.spa.framework.common.SettingsEntry
 import com.android.settingslib.spa.framework.common.SettingsEntryBuilder
@@ -35,10 +34,8 @@
 import com.android.settingslib.spa.framework.common.SpaEnvironmentFactory
 import com.android.settingslib.spa.framework.common.createSettingsPage
 import com.android.settingslib.spa.framework.theme.SettingsTheme
-import com.android.settingslib.spa.framework.util.createIntent
 import com.android.settingslib.spa.gallery.R
 import com.android.settingslib.spa.gallery.SettingsPageProviderEnum
-import com.android.settingslib.spa.gallery.preference.PreferencePageModel.Companion.ASYNC_PREFERENCE_SUMMARY
 import com.android.settingslib.spa.gallery.preference.PreferencePageModel.Companion.ASYNC_PREFERENCE_TITLE
 import com.android.settingslib.spa.gallery.preference.PreferencePageModel.Companion.AUTO_UPDATE_PREFERENCE_TITLE
 import com.android.settingslib.spa.gallery.preference.PreferencePageModel.Companion.DISABLE_PREFERENCE_SUMMARY
@@ -48,15 +45,10 @@
 import com.android.settingslib.spa.gallery.preference.PreferencePageModel.Companion.SIMPLE_PREFERENCE_KEYWORDS
 import com.android.settingslib.spa.gallery.preference.PreferencePageModel.Companion.SIMPLE_PREFERENCE_SUMMARY
 import com.android.settingslib.spa.gallery.preference.PreferencePageModel.Companion.SIMPLE_PREFERENCE_TITLE
-import com.android.settingslib.spa.slice.createBrowsePendingIntent
-import com.android.settingslib.spa.slice.provider.createDemoActionSlice
-import com.android.settingslib.spa.slice.provider.createDemoBrowseSlice
-import com.android.settingslib.spa.slice.provider.createDemoSlice
 import com.android.settingslib.spa.widget.preference.Preference
 import com.android.settingslib.spa.widget.preference.PreferenceModel
 import com.android.settingslib.spa.widget.preference.SimplePreferenceMacro
 import com.android.settingslib.spa.widget.ui.SettingsIcon
-import kotlinx.coroutines.delay
 
 private const val TAG = "PreferencePage"
 
@@ -139,26 +131,6 @@
                             override val enabled = { model.asyncEnable.value }
                         }
                     )
-                }
-                .setSliceDataFn { sliceUri, _ ->
-                    val createSliceImpl = { s: String ->
-                        createDemoBrowseSlice(
-                            sliceUri = sliceUri,
-                            title = ASYNC_PREFERENCE_TITLE,
-                            summary = s,
-                        )
-                    }
-                    return@setSliceDataFn object : EntrySliceData() {
-                        init {
-                            postValue(createSliceImpl("(loading)"))
-                        }
-
-                        override suspend fun asyncRunner() {
-                            spaLogger.message(TAG, "Async entry loading")
-                            delay(2000L)
-                            postValue(createSliceImpl(ASYNC_PREFERENCE_SUMMARY))
-                        }
-                    }
                 }.build()
         )
         entryList.add(
@@ -176,28 +148,6 @@
                             }
                         }
                     )
-                }
-                .setSliceDataFn { sliceUri, args ->
-                    val createSliceImpl = { v: Int ->
-                        createDemoActionSlice(
-                            sliceUri = sliceUri,
-                            title = MANUAL_UPDATE_PREFERENCE_TITLE,
-                            summary = "manual update value $v",
-                        )
-                    }
-
-                    return@setSliceDataFn object : EntrySliceData() {
-                        private var tick = args?.getString("init")?.toInt() ?: 0
-
-                        init {
-                            postValue(createSliceImpl(tick))
-                        }
-
-                        override suspend fun asyncAction() {
-                            tick++
-                            postValue(createSliceImpl(tick))
-                        }
-                    }
                 }.build()
         )
         entryList.add(
@@ -216,33 +166,6 @@
                             }
                         }
                     )
-                }
-                .setSliceDataFn { sliceUri, args ->
-                    val createSliceImpl = { v: Int ->
-                        createDemoBrowseSlice(
-                            sliceUri = sliceUri,
-                            title = AUTO_UPDATE_PREFERENCE_TITLE,
-                            summary = "auto update value $v",
-                        )
-                    }
-
-                    return@setSliceDataFn object : EntrySliceData() {
-                        private var tick = args?.getString("init")?.toInt() ?: 0
-
-                        init {
-                            postValue(createSliceImpl(tick))
-                        }
-
-                        override suspend fun asyncRunner() {
-                            spaLogger.message(TAG, "autoUpdater.active")
-                            while (true) {
-                                delay(1000L)
-                                tick++
-                                spaLogger.message(TAG, "autoUpdater.value $tick")
-                                postValue(createSliceImpl(tick))
-                            }
-                        }
-                    }
                 }.build()
         )
 
@@ -272,22 +195,6 @@
                     clickRoute = SettingsPageProviderEnum.PREFERENCE.name
                 )
             }
-            .setSliceDataFn { sliceUri, _ ->
-                val intent = owner.createIntent()?.createBrowsePendingIntent()
-                    ?: return@setSliceDataFn null
-                return@setSliceDataFn object : EntrySliceData() {
-                    init {
-                        postValue(
-                            createDemoSlice(
-                                sliceUri = sliceUri,
-                                title = PAGE_TITLE,
-                                summary = "Injected Entry",
-                                intent = intent,
-                            )
-                        )
-                    }
-                }
-            }
     }
 
     override fun getTitle(arguments: Bundle?): String {
diff --git a/packages/SettingsLib/Spa/spa/src/com/android/settingslib/spa/framework/common/SpaEnvironment.kt b/packages/SettingsLib/Spa/spa/src/com/android/settingslib/spa/framework/common/SpaEnvironment.kt
index 2d956d5..6e5132b 100644
--- a/packages/SettingsLib/Spa/spa/src/com/android/settingslib/spa/framework/common/SpaEnvironment.kt
+++ b/packages/SettingsLib/Spa/spa/src/com/android/settingslib/spa/framework/common/SpaEnvironment.kt
@@ -17,12 +17,10 @@
 package com.android.settingslib.spa.framework.common
 
 import android.app.Activity
-import android.content.BroadcastReceiver
 import android.content.Context
 import android.util.Log
 import androidx.compose.runtime.Composable
 import androidx.compose.ui.platform.LocalContext
-import com.android.settingslib.spa.slice.SettingsSliceDataRepository
 
 private const val TAG = "SpaEnvironment"
 
@@ -69,8 +67,6 @@
 
     val entryRepository = lazy { SettingsEntryRepository(pageProviderRepository.value) }
 
-    val sliceDataRepository = lazy { SettingsSliceDataRepository(entryRepository.value) }
-
     // The application context. Use local context as fallback when applicationContext is not
     // available (e.g. in Robolectric test).
     val appContext: Context = context.applicationContext ?: context
@@ -81,11 +77,9 @@
     // Specify class name of browse activity and slice broadcast receiver, which is used to
     // generate the necessary intents.
     open val browseActivityClass: Class<out Activity>? = null
-    open val sliceBroadcastReceiverClass: Class<out BroadcastReceiver>? = null
 
     // Specify provider authorities for debugging purpose.
     open val searchProviderAuthorities: String? = null
-    open val sliceProviderAuthorities: String? = null
 
     // TODO: add other environment setup here.
     companion object {
diff --git a/packages/SettingsLib/Spa/spa/src/com/android/settingslib/spa/slice/SettingsSliceDataRepository.kt b/packages/SettingsLib/Spa/spa/src/com/android/settingslib/spa/slice/SettingsSliceDataRepository.kt
deleted file mode 100644
index 7a4750d..0000000
--- a/packages/SettingsLib/Spa/spa/src/com/android/settingslib/spa/slice/SettingsSliceDataRepository.kt
+++ /dev/null
@@ -1,57 +0,0 @@
-/*
- * Copyright (C) 2022 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.settingslib.spa.slice
-
-import android.net.Uri
-import android.util.Log
-import com.android.settingslib.spa.framework.common.EntrySliceData
-import com.android.settingslib.spa.framework.common.SettingsEntryRepository
-import com.android.settingslib.spa.framework.util.getEntryId
-
-private const val TAG = "SliceDataRepository"
-
-class SettingsSliceDataRepository(private val entryRepository: SettingsEntryRepository) {
-    // The map of slice uri to its EntrySliceData, a.k.a. LiveData<Slice?>
-    private val sliceDataMap: MutableMap<String, EntrySliceData> = mutableMapOf()
-
-    // Note: mark this function synchronized, so that we can get the same livedata during the
-    // whole lifecycle of a Slice.
-    @Synchronized
-    fun getOrBuildSliceData(sliceUri: Uri): EntrySliceData? {
-        val sliceString = sliceUri.getSliceId() ?: return null
-        return sliceDataMap[sliceString] ?: buildLiveDataImpl(sliceUri)?.let {
-            sliceDataMap[sliceString] = it
-            it
-        }
-    }
-
-    fun getActiveSliceData(sliceUri: Uri): EntrySliceData? {
-        val sliceString = sliceUri.getSliceId() ?: return null
-        val sliceData = sliceDataMap[sliceString] ?: return null
-        return if (sliceData.isActive()) sliceData else null
-    }
-
-    private fun buildLiveDataImpl(sliceUri: Uri): EntrySliceData? {
-        Log.d(TAG, "buildLiveData: $sliceUri")
-
-        val entryId = sliceUri.getEntryId() ?: return null
-        val entry = entryRepository.getEntry(entryId) ?: return null
-        if (!entry.hasSliceSupport) return null
-        val arguments = sliceUri.getRuntimeArguments()
-        return entry.getSliceData(runtimeArguments = arguments, sliceUri = sliceUri)
-    }
-}
diff --git a/packages/SettingsLib/Spa/spa/src/com/android/settingslib/spa/slice/SliceUtil.kt b/packages/SettingsLib/Spa/spa/src/com/android/settingslib/spa/slice/SliceUtil.kt
index f362890..ec89c7c 100644
--- a/packages/SettingsLib/Spa/spa/src/com/android/settingslib/spa/slice/SliceUtil.kt
+++ b/packages/SettingsLib/Spa/spa/src/com/android/settingslib/spa/slice/SliceUtil.kt
@@ -16,23 +16,10 @@
 
 package com.android.settingslib.spa.slice
 
-import android.app.Activity
-import android.app.PendingIntent
-import android.content.BroadcastReceiver
-import android.content.ComponentName
-import android.content.Context
-import android.content.Intent
 import android.net.Uri
 import android.os.Bundle
-import com.android.settingslib.spa.framework.common.SettingsEntry
-import com.android.settingslib.spa.framework.common.SpaEnvironmentFactory
 import com.android.settingslib.spa.framework.util.KEY_DESTINATION
 import com.android.settingslib.spa.framework.util.KEY_HIGHLIGHT_ENTRY
-import com.android.settingslib.spa.framework.util.SESSION_SLICE
-import com.android.settingslib.spa.framework.util.SPA_INTENT_RESERVED_KEYS
-import com.android.settingslib.spa.framework.util.appendSpaParams
-import com.android.settingslib.spa.framework.util.getDestination
-import com.android.settingslib.spa.framework.util.getEntryId
 
 // Defines SliceUri, which contains special query parameters:
 //  -- KEY_DESTINATION: The route that this slice is navigated to.
@@ -45,25 +32,6 @@
     return getQueryParameter(KEY_HIGHLIGHT_ENTRY)
 }
 
-fun SliceUri.getDestination(): String? {
-    return getQueryParameter(KEY_DESTINATION)
-}
-
-fun SliceUri.getRuntimeArguments(): Bundle {
-    val params = Bundle()
-    for (queryName in queryParameterNames) {
-        if (SPA_INTENT_RESERVED_KEYS.contains(queryName)) continue
-        params.putString(queryName, getQueryParameter(queryName))
-    }
-    return params
-}
-
-fun SliceUri.getSliceId(): String? {
-    val entryId = getEntryId() ?: return null
-    val params = getRuntimeArguments()
-    return "${entryId}_$params"
-}
-
 fun Uri.Builder.appendSpaParams(
     destination: String? = null,
     entryId: String? = null,
@@ -79,72 +47,3 @@
     return this
 }
 
-fun Uri.Builder.fromEntry(
-    entry: SettingsEntry,
-    authority: String?,
-    runtimeArguments: Bundle? = null
-): Uri.Builder {
-    if (authority == null) return this
-    val sp = entry.containerPage()
-    return scheme("content").authority(authority).appendSpaParams(
-        destination = sp.buildRoute(),
-        entryId = entry.id,
-        runtimeArguments = runtimeArguments
-    )
-}
-
-fun SliceUri.createBroadcastPendingIntent(): PendingIntent? {
-    val context = SpaEnvironmentFactory.instance.appContext
-    val sliceBroadcastClass =
-        SpaEnvironmentFactory.instance.sliceBroadcastReceiverClass ?: return null
-    val entryId = getEntryId() ?: return null
-    return createBroadcastPendingIntent(context, sliceBroadcastClass, entryId)
-}
-
-fun SliceUri.createBrowsePendingIntent(): PendingIntent? {
-    val context = SpaEnvironmentFactory.instance.appContext
-    val browseActivityClass = SpaEnvironmentFactory.instance.browseActivityClass ?: return null
-    val destination = getDestination() ?: return null
-    val entryId = getEntryId()
-    return createBrowsePendingIntent(context, browseActivityClass, destination, entryId)
-}
-
-fun Intent.createBrowsePendingIntent(): PendingIntent? {
-    val context = SpaEnvironmentFactory.instance.appContext
-    val browseActivityClass = SpaEnvironmentFactory.instance.browseActivityClass ?: return null
-    val destination = getDestination() ?: return null
-    val entryId = getEntryId()
-    return createBrowsePendingIntent(context, browseActivityClass, destination, entryId)
-}
-
-private fun createBrowsePendingIntent(
-    context: Context,
-    browseActivityClass: Class<out Activity>,
-    destination: String,
-    entryId: String?
-): PendingIntent {
-    val intent = Intent().setComponent(ComponentName(context, browseActivityClass))
-        .appendSpaParams(destination, entryId, SESSION_SLICE)
-        .apply {
-            // Set both extra and data (which is a Uri) in Slice Intent:
-            // 1) extra is used in SPA navigation framework
-            // 2) data is used in Slice framework
-            data = Uri.Builder().appendSpaParams(destination, entryId).build()
-            flags = Intent.FLAG_ACTIVITY_NEW_TASK
-        }
-
-    return PendingIntent.getActivity(context, 0, intent, PendingIntent.FLAG_IMMUTABLE)
-}
-
-private fun createBroadcastPendingIntent(
-    context: Context,
-    sliceBroadcastClass: Class<out BroadcastReceiver>,
-    entryId: String
-): PendingIntent {
-    val intent = Intent().setComponent(ComponentName(context, sliceBroadcastClass))
-        .apply { data = Uri.Builder().appendSpaParams(entryId = entryId).build() }
-    return PendingIntent.getBroadcast(
-        context, 0 /* requestCode */, intent,
-        PendingIntent.FLAG_CANCEL_CURRENT or PendingIntent.FLAG_MUTABLE
-    )
-}
diff --git a/packages/SettingsLib/Spa/spa/src/com/android/settingslib/spa/slice/SpaSliceBroadcastReceiver.kt b/packages/SettingsLib/Spa/spa/src/com/android/settingslib/spa/slice/SpaSliceBroadcastReceiver.kt
deleted file mode 100644
index 39cb431..0000000
--- a/packages/SettingsLib/Spa/spa/src/com/android/settingslib/spa/slice/SpaSliceBroadcastReceiver.kt
+++ /dev/null
@@ -1,31 +0,0 @@
-/*
- * Copyright (C) 2022 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.settingslib.spa.slice
-
-import android.content.BroadcastReceiver
-import android.content.Context
-import android.content.Intent
-import com.android.settingslib.spa.framework.common.SpaEnvironmentFactory
-
-class SpaSliceBroadcastReceiver : BroadcastReceiver() {
-    override fun onReceive(context: Context?, intent: Intent?) {
-        val sliceRepository by SpaEnvironmentFactory.instance.sliceDataRepository
-        val sliceUri = intent?.data ?: return
-        val sliceData = sliceRepository.getActiveSliceData(sliceUri) ?: return
-        sliceData.doAction()
-    }
-}
diff --git a/packages/SettingsLib/Spa/spa/src/com/android/settingslib/spa/slice/SpaSliceProvider.kt b/packages/SettingsLib/Spa/spa/src/com/android/settingslib/spa/slice/SpaSliceProvider.kt
deleted file mode 100644
index 3496f02..0000000
--- a/packages/SettingsLib/Spa/spa/src/com/android/settingslib/spa/slice/SpaSliceProvider.kt
+++ /dev/null
@@ -1,77 +0,0 @@
-/*
- * Copyright (C) 2022 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.settingslib.spa.slice
-
-import android.net.Uri
-import android.util.Log
-import androidx.lifecycle.Observer
-import androidx.slice.Slice
-import androidx.slice.SliceProvider
-import com.android.settingslib.spa.framework.common.EntrySliceData
-import com.android.settingslib.spa.framework.common.SpaEnvironmentFactory
-import kotlinx.coroutines.Dispatchers
-import kotlinx.coroutines.runBlocking
-import kotlinx.coroutines.withContext
-
-private const val TAG = "SpaSliceProvider"
-
-class SpaSliceProvider : SliceProvider(), Observer<Slice?> {
-    private fun getOrPutSliceData(sliceUri: Uri): EntrySliceData? {
-        if (!SpaEnvironmentFactory.isReady()) return null
-        val sliceRepository by SpaEnvironmentFactory.instance.sliceDataRepository
-        return sliceRepository.getOrBuildSliceData(sliceUri)
-    }
-
-    override fun onBindSlice(sliceUri: Uri): Slice? {
-        if (context == null) return null
-        Log.d(TAG, "onBindSlice: $sliceUri")
-        return getOrPutSliceData(sliceUri)?.value
-    }
-
-    override fun onSlicePinned(sliceUri: Uri) {
-        Log.d(TAG, "onSlicePinned: $sliceUri")
-        super.onSlicePinned(sliceUri)
-        val sliceLiveData = getOrPutSliceData(sliceUri) ?: return
-        runBlocking {
-            withContext(Dispatchers.Main) {
-                sliceLiveData.observeForever(this@SpaSliceProvider)
-            }
-        }
-    }
-
-    override fun onSliceUnpinned(sliceUri: Uri) {
-        Log.d(TAG, "onSliceUnpinned: $sliceUri")
-        super.onSliceUnpinned(sliceUri)
-        val sliceLiveData = getOrPutSliceData(sliceUri) ?: return
-        runBlocking {
-            withContext(Dispatchers.Main) {
-                sliceLiveData.removeObserver(this@SpaSliceProvider)
-            }
-        }
-    }
-
-    override fun onChanged(value: Slice?) {
-        val uri = value?.uri ?: return
-        Log.d(TAG, "onChanged: $uri")
-        context?.contentResolver?.notifyChange(uri, null)
-    }
-
-    override fun onCreateSliceProvider(): Boolean {
-        Log.d(TAG, "onCreateSliceProvider")
-        return true
-    }
-}
diff --git a/packages/SettingsLib/Spa/spa/src/com/android/settingslib/spa/slice/presenter/Demo.kt b/packages/SettingsLib/Spa/spa/src/com/android/settingslib/spa/slice/presenter/Demo.kt
deleted file mode 100644
index 007f47b..0000000
--- a/packages/SettingsLib/Spa/spa/src/com/android/settingslib/spa/slice/presenter/Demo.kt
+++ /dev/null
@@ -1,47 +0,0 @@
-/*
- * Copyright (C) 2022 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.settingslib.spa.slice.presenter
-
-import android.net.Uri
-import androidx.compose.material3.HorizontalDivider
-import androidx.compose.runtime.Composable
-import androidx.compose.runtime.remember
-import androidx.compose.ui.platform.LocalContext
-import androidx.compose.ui.viewinterop.AndroidView
-import androidx.lifecycle.compose.LocalLifecycleOwner
-import androidx.slice.widget.SliceLiveData
-import androidx.slice.widget.SliceView
-
-@Composable
-fun SliceDemo(sliceUri: Uri) {
-    val context = LocalContext.current
-    val lifecycleOwner = LocalLifecycleOwner.current
-    val sliceData = remember {
-        SliceLiveData.fromUri(context, sliceUri)
-    }
-
-    HorizontalDivider()
-    AndroidView(
-        factory = { localContext ->
-            val view = SliceView(localContext)
-            view.setShowTitleItems(true)
-            view.isScrollable = false
-            view
-        },
-        update = { view -> sliceData.observe(lifecycleOwner, view) }
-    )
-}
diff --git a/packages/SettingsLib/Spa/spa/src/com/android/settingslib/spa/slice/provider/Demo.kt b/packages/SettingsLib/Spa/spa/src/com/android/settingslib/spa/slice/provider/Demo.kt
deleted file mode 100644
index e4a7386..0000000
--- a/packages/SettingsLib/Spa/spa/src/com/android/settingslib/spa/slice/provider/Demo.kt
+++ /dev/null
@@ -1,60 +0,0 @@
-/*
- * Copyright (C) 2022 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.settingslib.spa.slice.provider
-
-import android.app.PendingIntent
-import android.content.Context
-import android.net.Uri
-import androidx.core.R
-import androidx.core.graphics.drawable.IconCompat
-import androidx.slice.Slice
-import androidx.slice.SliceManager
-import androidx.slice.builders.ListBuilder
-import androidx.slice.builders.SliceAction
-import com.android.settingslib.spa.framework.common.SpaEnvironmentFactory
-import com.android.settingslib.spa.slice.createBroadcastPendingIntent
-import com.android.settingslib.spa.slice.createBrowsePendingIntent
-
-fun createDemoBrowseSlice(sliceUri: Uri, title: String, summary: String): Slice? {
-    val intent = sliceUri.createBrowsePendingIntent() ?: return null
-    return createDemoSlice(sliceUri, title, summary, intent)
-}
-
-fun createDemoActionSlice(sliceUri: Uri, title: String, summary: String): Slice? {
-    val intent = sliceUri.createBroadcastPendingIntent() ?: return null
-    return createDemoSlice(sliceUri, title, summary, intent)
-}
-
-fun createDemoSlice(sliceUri: Uri, title: String, summary: String, intent: PendingIntent): Slice? {
-    val context = SpaEnvironmentFactory.instance.appContext
-    if (!SliceManager.getInstance(context).pinnedSlices.contains(sliceUri)) return null
-    return ListBuilder(context, sliceUri, ListBuilder.INFINITY)
-        .addRow(ListBuilder.RowBuilder().apply {
-            setPrimaryAction(createSliceAction(context, intent))
-            setTitle(title)
-            setSubtitle(summary)
-        }).build()
-}
-
-private fun createSliceAction(context: Context, intent: PendingIntent): SliceAction {
-    return SliceAction.create(
-        intent,
-        IconCompat.createWithResource(context, R.drawable.notification_action_background),
-        ListBuilder.ICON_IMAGE,
-        "Enter app"
-    )
-}
diff --git a/packages/SettingsLib/Spa/tests/src/com/android/settingslib/spa/slice/SettingsSliceDataRepositoryTest.kt b/packages/SettingsLib/Spa/tests/src/com/android/settingslib/spa/slice/SettingsSliceDataRepositoryTest.kt
deleted file mode 100644
index 341a4a5..0000000
--- a/packages/SettingsLib/Spa/tests/src/com/android/settingslib/spa/slice/SettingsSliceDataRepositoryTest.kt
+++ /dev/null
@@ -1,97 +0,0 @@
-/*
- * Copyright (C) 2022 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.settingslib.spa.slice
-
-import android.content.Context
-import android.net.Uri
-import androidx.arch.core.executor.testing.InstantTaskExecutorRule
-import androidx.lifecycle.Observer
-import androidx.slice.Slice
-import androidx.test.core.app.ApplicationProvider
-import androidx.test.ext.junit.runners.AndroidJUnit4
-import com.android.settingslib.spa.framework.common.SpaEnvironmentFactory
-import com.android.settingslib.spa.framework.common.createSettingsPage
-import com.android.settingslib.spa.framework.util.genEntryId
-import com.android.settingslib.spa.tests.testutils.SpaEnvironmentForTest
-import com.android.settingslib.spa.tests.testutils.SppHome
-import com.android.settingslib.spa.tests.testutils.SppLayer2
-import com.google.common.truth.Truth.assertThat
-import org.junit.Rule
-import org.junit.Test
-import org.junit.runner.RunWith
-
-@RunWith(AndroidJUnit4::class)
-class SettingsSliceDataRepositoryTest {
-    @get:Rule val instantTaskExecutorRule = InstantTaskExecutorRule()
-
-    private val context: Context = ApplicationProvider.getApplicationContext()
-    private val spaEnvironment =
-        SpaEnvironmentForTest(context, listOf(SppHome.createSettingsPage()))
-    private val sliceDataRepository by spaEnvironment.sliceDataRepository
-
-    @Test
-    fun getOrBuildSliceDataTest() {
-        SpaEnvironmentFactory.reset(spaEnvironment)
-
-        // Slice empty
-        assertThat(sliceDataRepository.getOrBuildSliceData(Uri.EMPTY)).isNull()
-
-        // Slice supported
-        val page = SppLayer2.createSettingsPage()
-        val entryId = genEntryId("Layer2Entry1", page)
-        val sliceUri = Uri.Builder().appendSpaParams(page.buildRoute(), entryId).build()
-        assertThat(sliceUri.getDestination()).isEqualTo("SppLayer2")
-        assertThat(sliceUri.getSliceId()).isEqualTo("${entryId}_Bundle[{}]")
-        val sliceData = sliceDataRepository.getOrBuildSliceData(sliceUri)
-        assertThat(sliceData).isNotNull()
-        assertThat(sliceDataRepository.getOrBuildSliceData(sliceUri)).isSameInstanceAs(sliceData)
-
-        // Slice unsupported
-        val entryId2 = genEntryId("Layer2Entry2", page)
-        val sliceUri2 = Uri.Builder().appendSpaParams(page.buildRoute(), entryId2).build()
-        assertThat(sliceUri2.getDestination()).isEqualTo("SppLayer2")
-        assertThat(sliceUri2.getSliceId()).isEqualTo("${entryId2}_Bundle[{}]")
-        assertThat(sliceDataRepository.getOrBuildSliceData(sliceUri2)).isNull()
-    }
-
-    @Test
-    fun getActiveSliceDataTest() {
-        SpaEnvironmentFactory.reset(spaEnvironment)
-
-        val page = SppLayer2.createSettingsPage()
-        val entryId = genEntryId("Layer2Entry1", page)
-        val sliceUri = Uri.Builder().appendSpaParams(page.buildRoute(), entryId).build()
-
-        // build slice data first
-        val sliceData = sliceDataRepository.getOrBuildSliceData(sliceUri)
-
-        // slice data is inactive
-        assertThat(sliceData!!.isActive()).isFalse()
-        assertThat(sliceDataRepository.getActiveSliceData(sliceUri)).isNull()
-
-        // slice data is active
-        val observer = Observer<Slice?> { }
-        sliceData.observeForever(observer)
-        assertThat(sliceData.isActive()).isTrue()
-        assertThat(sliceDataRepository.getActiveSliceData(sliceUri)).isSameInstanceAs(sliceData)
-
-        // slice data is inactive again
-        sliceData.removeObserver(observer)
-        assertThat(sliceData.isActive()).isFalse()
-        assertThat(sliceDataRepository.getActiveSliceData(sliceUri)).isNull()
-    }
-}
diff --git a/packages/SettingsLib/Spa/tests/src/com/android/settingslib/spa/slice/SliceUtilTest.kt b/packages/SettingsLib/Spa/tests/src/com/android/settingslib/spa/slice/SliceUtilTest.kt
index d1c4e51..b489afd 100644
--- a/packages/SettingsLib/Spa/tests/src/com/android/settingslib/spa/slice/SliceUtilTest.kt
+++ b/packages/SettingsLib/Spa/tests/src/com/android/settingslib/spa/slice/SliceUtilTest.kt
@@ -16,91 +16,27 @@
 
 package com.android.settingslib.spa.slice
 
-import android.content.Context
-import android.content.Intent
 import android.net.Uri
 import androidx.core.os.bundleOf
-import androidx.test.core.app.ApplicationProvider
 import androidx.test.ext.junit.runners.AndroidJUnit4
-import com.android.settingslib.spa.framework.common.SpaEnvironmentFactory
-import com.android.settingslib.spa.tests.testutils.SpaEnvironmentForTest
 import com.google.common.truth.Truth.assertThat
 import org.junit.Test
 import org.junit.runner.RunWith
 
 @RunWith(AndroidJUnit4::class)
 class SliceUtilTest {
-    private val context: Context = ApplicationProvider.getApplicationContext()
-    private val spaEnvironment = SpaEnvironmentForTest(context)
-
     @Test
     fun sliceUriTest() {
         assertThat(Uri.EMPTY.getEntryId()).isNull()
-        assertThat(Uri.EMPTY.getDestination()).isNull()
-        assertThat(Uri.EMPTY.getRuntimeArguments().size()).isEqualTo(0)
-        assertThat(Uri.EMPTY.getSliceId()).isNull()
 
         // valid slice uri
         val dest = "myRoute"
         val entryId = "myEntry"
         val sliceUriWithoutParams = Uri.Builder().appendSpaParams(dest, entryId).build()
         assertThat(sliceUriWithoutParams.getEntryId()).isEqualTo(entryId)
-        assertThat(sliceUriWithoutParams.getDestination()).isEqualTo(dest)
-        assertThat(sliceUriWithoutParams.getRuntimeArguments().size()).isEqualTo(0)
-        assertThat(sliceUriWithoutParams.getSliceId()).isEqualTo("${entryId}_Bundle[{}]")
 
         val sliceUriWithParams =
             Uri.Builder().appendSpaParams(dest, entryId, bundleOf("p1" to "v1")).build()
         assertThat(sliceUriWithParams.getEntryId()).isEqualTo(entryId)
-        assertThat(sliceUriWithParams.getDestination()).isEqualTo(dest)
-        assertThat(sliceUriWithParams.getRuntimeArguments().size()).isEqualTo(1)
-        assertThat(sliceUriWithParams.getSliceId()).isEqualTo("${entryId}_Bundle[{p1=v1}]")
-    }
-
-    @Test
-    fun createBroadcastPendingIntentTest() {
-        SpaEnvironmentFactory.reset(spaEnvironment)
-
-        // Empty Slice Uri
-        assertThat(Uri.EMPTY.createBroadcastPendingIntent()).isNull()
-
-        // Valid Slice Uri
-        val dest = "myRoute"
-        val entryId = "myEntry"
-        val sliceUriWithoutParams = Uri.Builder().appendSpaParams(dest, entryId).build()
-        val pendingIntent = sliceUriWithoutParams.createBroadcastPendingIntent()
-        assertThat(pendingIntent).isNotNull()
-        assertThat(pendingIntent!!.isBroadcast).isTrue()
-        assertThat(pendingIntent.isImmutable).isFalse()
-    }
-
-    @Test
-    fun createBrowsePendingIntentTest() {
-        SpaEnvironmentFactory.reset(spaEnvironment)
-
-        // Empty Slice Uri
-        assertThat(Uri.EMPTY.createBrowsePendingIntent()).isNull()
-
-        // Empty Intent
-        assertThat(Intent().createBrowsePendingIntent()).isNull()
-
-        // Valid Slice Uri
-        val dest = "myRoute"
-        val entryId = "myEntry"
-        val sliceUri = Uri.Builder().appendSpaParams(dest, entryId).build()
-        val pendingIntent = sliceUri.createBrowsePendingIntent()
-        assertThat(pendingIntent).isNotNull()
-        assertThat(pendingIntent!!.isActivity).isTrue()
-        assertThat(pendingIntent.isImmutable).isTrue()
-
-        // Valid Intent
-        val intent = Intent().apply {
-            putExtra("spaActivityDestination", dest)
-            putExtra("highlightEntry", entryId)
-        }
-        val pendingIntent2 = intent.createBrowsePendingIntent()
-        assertThat(pendingIntent2).isNotNull()
-        assertThat(pendingIntent2!!.isActivity).isTrue()
-        assertThat(pendingIntent2.isImmutable).isTrue()
     }
 }
\ No newline at end of file
diff --git a/packages/SettingsLib/Spa/tests/src/com/android/settingslib/spa/tests/testutils/SpaEnvironmentForTest.kt b/packages/SettingsLib/Spa/tests/src/com/android/settingslib/spa/tests/testutils/SpaEnvironmentForTest.kt
index 22a5ca3..4f8fd79 100644
--- a/packages/SettingsLib/Spa/tests/src/com/android/settingslib/spa/tests/testutils/SpaEnvironmentForTest.kt
+++ b/packages/SettingsLib/Spa/tests/src/com/android/settingslib/spa/tests/testutils/SpaEnvironmentForTest.kt
@@ -216,8 +216,6 @@
     context: Context,
     rootPages: List<SettingsPage> = emptyList(),
     override val browseActivityClass: Class<out Activity>? = BlankActivity::class.java,
-    override val sliceBroadcastReceiverClass: Class<out BroadcastReceiver>? =
-        BlankSliceBroadcastReceiver::class.java,
     override val logger: SpaLogger = object : SpaLogger {}
 ) : SpaEnvironment(context) {
 
diff --git a/packages/SettingsLib/src/com/android/settingslib/notification/data/repository/ZenModeRepository.kt b/packages/SettingsLib/src/com/android/settingslib/notification/data/repository/ZenModeRepository.kt
index ef94526..26b5741 100644
--- a/packages/SettingsLib/src/com/android/settingslib/notification/data/repository/ZenModeRepository.kt
+++ b/packages/SettingsLib/src/com/android/settingslib/notification/data/repository/ZenModeRepository.kt
@@ -17,6 +17,7 @@
 package com.android.settingslib.notification.data.repository
 
 import android.app.NotificationManager
+import android.app.NotificationManager.EXTRA_NOTIFICATION_POLICY
 import android.content.BroadcastReceiver
 import android.content.ContentResolver
 import android.content.Context
@@ -74,7 +75,7 @@
                 val receiver =
                     object : BroadcastReceiver() {
                         override fun onReceive(context: Context?, intent: Intent?) {
-                            intent?.action?.let { action -> launch { send(action) } }
+                            intent?.let { launch { send(it) } }
                         }
                     }
 
@@ -112,7 +113,9 @@
     override val consolidatedNotificationPolicy: StateFlow<NotificationManager.Policy?> by lazy {
         if (Flags.volumePanelBroadcastFix() && android.app.Flags.modesApi())
             flowFromBroadcast(NotificationManager.ACTION_CONSOLIDATED_NOTIFICATION_POLICY_CHANGED) {
-                notificationManager.consolidatedNotificationPolicy
+                // If available, get the value from extras to avoid a potential binder call.
+                it?.extras?.getParcelable(EXTRA_NOTIFICATION_POLICY)
+                    ?: notificationManager.consolidatedNotificationPolicy
             }
         else
             flowFromBroadcast(NotificationManager.ACTION_NOTIFICATION_POLICY_CHANGED) {
@@ -126,11 +129,11 @@
         }
     }
 
-    private fun <T> flowFromBroadcast(intentAction: String, mapper: () -> T) =
+    private fun <T> flowFromBroadcast(intentAction: String, mapper: (Intent?) -> T) =
         notificationBroadcasts
-            .filter { intentAction == it }
-            .map { mapper() }
-            .onStart { emit(mapper()) }
+            .filter { intentAction == it.action }
+            .map { mapper(it) }
+            .onStart { emit(mapper(null)) }
             .flowOn(backgroundCoroutineContext)
             .stateIn(scope, SharingStarted.WhileSubscribed(), null)
 
diff --git a/packages/SettingsLib/tests/robotests/src/com/android/settingslib/notification/data/repository/ZenModeRepositoryTest.kt b/packages/SettingsLib/tests/robotests/src/com/android/settingslib/notification/data/repository/ZenModeRepositoryTest.kt
index 6e11e1f..4bd5cc4 100644
--- a/packages/SettingsLib/tests/robotests/src/com/android/settingslib/notification/data/repository/ZenModeRepositoryTest.kt
+++ b/packages/SettingsLib/tests/robotests/src/com/android/settingslib/notification/data/repository/ZenModeRepositoryTest.kt
@@ -22,6 +22,7 @@
 import android.content.Context
 import android.content.Intent
 import android.database.ContentObserver
+import android.os.Parcelable
 import android.platform.test.annotations.DisableFlags
 import android.platform.test.annotations.EnableFlags
 import android.provider.Settings.Global
@@ -126,6 +127,26 @@
         }
     }
 
+    @EnableFlags(android.app.Flags.FLAG_MODES_API, Flags.FLAG_VOLUME_PANEL_BROADCAST_FIX)
+    @Test
+    fun consolidatedPolicyChanges_repositoryEmitsFromExtras() {
+        testScope.runTest {
+            val values = mutableListOf<NotificationManager.Policy?>()
+            `when`(notificationManager.consolidatedNotificationPolicy).thenReturn(testPolicy1)
+            underTest.consolidatedNotificationPolicy
+                .onEach { values.add(it) }
+                .launchIn(backgroundScope)
+            runCurrent()
+
+            triggerIntent(
+                NotificationManager.ACTION_CONSOLIDATED_NOTIFICATION_POLICY_CHANGED,
+                extras = mapOf(NotificationManager.EXTRA_NOTIFICATION_POLICY to testPolicy2))
+            runCurrent()
+
+            assertThat(values).containsExactly(null, testPolicy1, testPolicy2).inOrder()
+        }
+    }
+
     @Test
     fun zenModeChanges_repositoryEmits() {
         testScope.runTest {
@@ -174,9 +195,13 @@
         }
     }
 
-    private fun triggerIntent(action: String) {
+    private fun triggerIntent(action: String, extras: Map<String, Parcelable>? = null) {
         verify(context).registerReceiver(receiverCaptor.capture(), any(), any(), any())
-        receiverCaptor.value.onReceive(context, Intent(action))
+        val intent = Intent(action)
+        if (extras?.isNotEmpty() == true) {
+            extras.forEach { (key, value) -> intent.putExtra(key, value) }
+        }
+        receiverCaptor.value.onReceive(context, intent)
     }
 
     private fun triggerZenModeSettingUpdate() {
diff --git a/packages/SystemUI/compose/features/src/com/android/systemui/communal/ui/compose/CommunalHub.kt b/packages/SystemUI/compose/features/src/com/android/systemui/communal/ui/compose/CommunalHub.kt
index 8f247f6..bd4710b 100644
--- a/packages/SystemUI/compose/features/src/com/android/systemui/communal/ui/compose/CommunalHub.kt
+++ b/packages/SystemUI/compose/features/src/com/android/systemui/communal/ui/compose/CommunalHub.kt
@@ -40,6 +40,7 @@
 import androidx.compose.foundation.background
 import androidx.compose.foundation.clickable
 import androidx.compose.foundation.focusable
+import androidx.compose.foundation.interaction.MutableInteractionSource
 import androidx.compose.foundation.layout.Arrangement
 import androidx.compose.foundation.layout.Box
 import androidx.compose.foundation.layout.BoxScope
@@ -64,6 +65,7 @@
 import androidx.compose.foundation.lazy.grid.LazyGridState
 import androidx.compose.foundation.lazy.grid.LazyHorizontalGrid
 import androidx.compose.foundation.lazy.grid.rememberLazyGridState
+import androidx.compose.foundation.selection.selectable
 import androidx.compose.foundation.shape.RoundedCornerShape
 import androidx.compose.material.icons.Icons
 import androidx.compose.material.icons.filled.Add
@@ -963,9 +965,25 @@
     val selectedKey by viewModel.selectedKey.collectAsStateWithLifecycle()
     val selectedIndex =
         selectedKey?.let { key -> contentListState.list.indexOfFirst { it.key == key } }
+
+    val isSelected = selectedKey == model.key
+
+    val selectableModifier =
+        if (viewModel.isEditMode) {
+            Modifier.selectable(
+                selected = isSelected,
+                onClick = { viewModel.setSelectedKey(model.key) },
+                interactionSource = remember { MutableInteractionSource() },
+                indication = null,
+            )
+        } else {
+            Modifier
+        }
+
     Box(
         modifier =
             modifier
+                .then(selectableModifier)
                 .thenIf(!viewModel.isEditMode && model.inQuietMode) {
                     Modifier.pointerInput(Unit) {
                         // consume tap to prevent the child view from triggering interactions with
diff --git a/packages/SystemUI/compose/features/src/com/android/systemui/communal/ui/compose/section/CommunalPopupSection.kt b/packages/SystemUI/compose/features/src/com/android/systemui/communal/ui/compose/section/CommunalPopupSection.kt
index 1ea73e1..620892a 100644
--- a/packages/SystemUI/compose/features/src/com/android/systemui/communal/ui/compose/section/CommunalPopupSection.kt
+++ b/packages/SystemUI/compose/features/src/com/android/systemui/communal/ui/compose/section/CommunalPopupSection.kt
@@ -23,6 +23,8 @@
 import androidx.compose.animation.fadeIn
 import androidx.compose.animation.fadeOut
 import androidx.compose.foundation.background
+import androidx.compose.foundation.focusable
+import androidx.compose.foundation.interaction.MutableInteractionSource
 import androidx.compose.foundation.layout.Arrangement
 import androidx.compose.foundation.layout.Row
 import androidx.compose.foundation.layout.Spacer
@@ -39,11 +41,16 @@
 import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
+import androidx.compose.runtime.LaunchedEffect
 import androidx.compose.runtime.getValue
+import androidx.compose.runtime.remember
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
+import androidx.compose.ui.focus.FocusRequester
+import androidx.compose.ui.focus.focusRequester
 import androidx.compose.ui.graphics.TransformOrigin
 import androidx.compose.ui.graphics.graphicsLayer
+import androidx.compose.ui.platform.LocalContext
 import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.unit.IntOffset
 import androidx.compose.ui.unit.dp
@@ -54,6 +61,7 @@
 import com.android.systemui.communal.ui.viewmodel.PopupType
 import com.android.systemui.res.R
 import javax.inject.Inject
+import kotlinx.coroutines.delay
 
 class CommunalPopupSection
 @Inject
@@ -91,6 +99,17 @@
         onClick: () -> Unit,
         onDismissRequest: () -> Unit,
     ) {
+        val interactionSource = remember { MutableInteractionSource() }
+        val focusRequester = remember { FocusRequester() }
+
+        val context = LocalContext.current
+
+        LaunchedEffect(Unit) {
+            // Adding a delay to ensure the animation completes before requesting focus
+            delay(250)
+            focusRequester.requestFocus()
+        }
+
         Popup(
             alignment = Alignment.TopCenter,
             offset = IntOffset(0, 40),
@@ -100,6 +119,8 @@
             Button(
                 modifier =
                     Modifier.height(56.dp)
+                        .focusRequester(focusRequester)
+                        .focusable(interactionSource = interactionSource)
                         .graphicsLayer { transformOrigin = TransformOrigin(0f, 0f) }
                         .animateEnterExit(
                             enter =
@@ -142,8 +163,7 @@
                 ) {
                     Icon(
                         imageVector = Icons.Outlined.Widgets,
-                        contentDescription =
-                            stringResource(R.string.button_to_configure_widgets_text),
+                        contentDescription = null,
                         tint = colors.onSecondary,
                         modifier = Modifier.size(20.dp)
                     )
diff --git a/packages/SystemUI/compose/features/src/com/android/systemui/keyguard/ui/composable/section/NotificationSection.kt b/packages/SystemUI/compose/features/src/com/android/systemui/keyguard/ui/composable/section/NotificationSection.kt
index a1f2042..859c036 100644
--- a/packages/SystemUI/compose/features/src/com/android/systemui/keyguard/ui/composable/section/NotificationSection.kt
+++ b/packages/SystemUI/compose/features/src/com/android/systemui/keyguard/ui/composable/section/NotificationSection.kt
@@ -90,10 +90,16 @@
      */
     @Composable
     fun SceneScope.Notifications(burnInParams: BurnInParameters?, modifier: Modifier = Modifier) {
+        val areNotificationsVisible by
+            lockscreenContentViewModel
+                .areNotificationsVisible(sceneKey)
+                .collectAsStateWithLifecycle(initialValue = false)
+        if (!areNotificationsVisible) {
+            return
+        }
+
         val isShadeLayoutWide by
             lockscreenContentViewModel.isShadeLayoutWide.collectAsStateWithLifecycle()
-        val areNotificationsVisible by
-            lockscreenContentViewModel.areNotificationsVisible.collectAsStateWithLifecycle()
         val splitShadeTopMargin: Dp =
             if (Flags.centralizedStatusBarHeightFix()) {
                 LargeScreenHeaderHelper.getLargeScreenHeaderHeight(LocalContext.current).dp
@@ -101,10 +107,6 @@
                 dimensionResource(id = R.dimen.large_screen_shade_header_height)
             }
 
-        if (!areNotificationsVisible) {
-            return
-        }
-
         ConstrainedNotificationStack(
             stackScrollView = stackScrollView.get(),
             viewModel = viewModel,
diff --git a/packages/SystemUI/compose/scene/src/com/android/compose/animation/scene/DraggableHandler.kt b/packages/SystemUI/compose/scene/src/com/android/compose/animation/scene/DraggableHandler.kt
index d95b388..20b1303 100644
--- a/packages/SystemUI/compose/scene/src/com/android/compose/animation/scene/DraggableHandler.kt
+++ b/packages/SystemUI/compose/scene/src/com/android/compose/animation/scene/DraggableHandler.kt
@@ -184,31 +184,33 @@
     ): Swipes {
         val fromSource =
             startedPosition?.let { position ->
-                layoutImpl.swipeSourceDetector.source(
-                    fromScene.targetSize,
-                    position.round(),
-                    layoutImpl.density,
-                    orientation,
-                )
+                layoutImpl.swipeSourceDetector
+                    .source(
+                        fromScene.targetSize,
+                        position.round(),
+                        layoutImpl.density,
+                        orientation,
+                    )
+                    ?.resolve(layoutImpl.layoutDirection)
             }
 
         val upOrLeft =
-            Swipe(
+            Swipe.Resolved(
                 direction =
                     when (orientation) {
-                        Orientation.Horizontal -> SwipeDirection.Left
-                        Orientation.Vertical -> SwipeDirection.Up
+                        Orientation.Horizontal -> SwipeDirection.Resolved.Left
+                        Orientation.Vertical -> SwipeDirection.Resolved.Up
                     },
                 pointerCount = pointersDown,
                 fromSource = fromSource,
             )
 
         val downOrRight =
-            Swipe(
+            Swipe.Resolved(
                 direction =
                     when (orientation) {
-                        Orientation.Horizontal -> SwipeDirection.Right
-                        Orientation.Vertical -> SwipeDirection.Down
+                        Orientation.Horizontal -> SwipeDirection.Resolved.Right
+                        Orientation.Vertical -> SwipeDirection.Resolved.Down
                     },
                 pointerCount = pointersDown,
                 fromSource = fromSource,
@@ -833,10 +835,10 @@
 
 /** The [Swipe] associated to a given fromScene, startedPosition and pointersDown. */
 private class Swipes(
-    val upOrLeft: Swipe?,
-    val downOrRight: Swipe?,
-    val upOrLeftNoSource: Swipe?,
-    val downOrRightNoSource: Swipe?,
+    val upOrLeft: Swipe.Resolved?,
+    val downOrRight: Swipe.Resolved?,
+    val upOrLeftNoSource: Swipe.Resolved?,
+    val downOrRightNoSource: Swipe.Resolved?,
 ) {
     /** The [UserActionResult] associated to up and down swipes. */
     var upOrLeftResult: UserActionResult? = null
@@ -844,7 +846,7 @@
 
     fun computeSwipesResults(fromScene: Scene): Pair<UserActionResult?, UserActionResult?> {
         val userActions = fromScene.userActions
-        fun result(swipe: Swipe?): UserActionResult? {
+        fun result(swipe: Swipe.Resolved?): UserActionResult? {
             return userActions[swipe ?: return null]
         }
 
@@ -940,25 +942,27 @@
                 when {
                     amount < 0f -> {
                         val actionUpOrLeft =
-                            Swipe(
+                            Swipe.Resolved(
                                 direction =
                                     when (orientation) {
-                                        Orientation.Horizontal -> SwipeDirection.Left
-                                        Orientation.Vertical -> SwipeDirection.Up
+                                        Orientation.Horizontal -> SwipeDirection.Resolved.Left
+                                        Orientation.Vertical -> SwipeDirection.Resolved.Up
                                     },
                                 pointerCount = pointersInfo().pointersDown,
+                                fromSource = null,
                             )
                         fromScene.userActions[actionUpOrLeft]
                     }
                     amount > 0f -> {
                         val actionDownOrRight =
-                            Swipe(
+                            Swipe.Resolved(
                                 direction =
                                     when (orientation) {
-                                        Orientation.Horizontal -> SwipeDirection.Right
-                                        Orientation.Vertical -> SwipeDirection.Down
+                                        Orientation.Horizontal -> SwipeDirection.Resolved.Right
+                                        Orientation.Vertical -> SwipeDirection.Resolved.Down
                                     },
                                 pointerCount = pointersInfo().pointersDown,
+                                fromSource = null,
                             )
                         fromScene.userActions[actionDownOrRight]
                     }
diff --git a/packages/SystemUI/compose/scene/src/com/android/compose/animation/scene/EdgeDetector.kt b/packages/SystemUI/compose/scene/src/com/android/compose/animation/scene/EdgeDetector.kt
index b0dc3a1..97c0cef 100644
--- a/packages/SystemUI/compose/scene/src/com/android/compose/animation/scene/EdgeDetector.kt
+++ b/packages/SystemUI/compose/scene/src/com/android/compose/animation/scene/EdgeDetector.kt
@@ -21,14 +21,28 @@
 import androidx.compose.ui.unit.Dp
 import androidx.compose.ui.unit.IntOffset
 import androidx.compose.ui.unit.IntSize
+import androidx.compose.ui.unit.LayoutDirection
 import androidx.compose.ui.unit.dp
 
 /** The edge of a [SceneTransitionLayout]. */
-enum class Edge : SwipeSource {
-    Left,
-    Right,
-    Top,
-    Bottom,
+enum class Edge(private val resolveEdge: (LayoutDirection) -> Resolved) : SwipeSource {
+    Top(resolveEdge = { Resolved.Top }),
+    Bottom(resolveEdge = { Resolved.Bottom }),
+    Left(resolveEdge = { Resolved.Left }),
+    Right(resolveEdge = { Resolved.Right }),
+    Start(resolveEdge = { if (it == LayoutDirection.Ltr) Resolved.Left else Resolved.Right }),
+    End(resolveEdge = { if (it == LayoutDirection.Ltr) Resolved.Right else Resolved.Left });
+
+    override fun resolve(layoutDirection: LayoutDirection): Resolved {
+        return resolveEdge(layoutDirection)
+    }
+
+    enum class Resolved : SwipeSource.Resolved {
+        Left,
+        Right,
+        Top,
+        Bottom,
+    }
 }
 
 val DefaultEdgeDetector = FixedSizeEdgeDetector(40.dp)
diff --git a/packages/SystemUI/compose/scene/src/com/android/compose/animation/scene/Scene.kt b/packages/SystemUI/compose/scene/src/com/android/compose/animation/scene/Scene.kt
index 936f4ba..a49f1af 100644
--- a/packages/SystemUI/compose/scene/src/com/android/compose/animation/scene/Scene.kt
+++ b/packages/SystemUI/compose/scene/src/com/android/compose/animation/scene/Scene.kt
@@ -37,7 +37,7 @@
     val key: SceneKey,
     layoutImpl: SceneTransitionLayoutImpl,
     content: @Composable SceneScope.() -> Unit,
-    actions: Map<UserAction, UserActionResult>,
+    actions: Map<UserAction.Resolved, UserActionResult>,
     zIndex: Float,
 ) {
     internal val scope = SceneScopeImpl(layoutImpl, this)
@@ -54,8 +54,8 @@
         }
 
     private fun checkValid(
-        userActions: Map<UserAction, UserActionResult>
-    ): Map<UserAction, UserActionResult> {
+        userActions: Map<UserAction.Resolved, UserActionResult>
+    ): Map<UserAction.Resolved, UserActionResult> {
         userActions.forEach { (action, result) ->
             if (key == result.toScene) {
                 error(
diff --git a/packages/SystemUI/compose/scene/src/com/android/compose/animation/scene/SceneTransitionLayout.kt b/packages/SystemUI/compose/scene/src/com/android/compose/animation/scene/SceneTransitionLayout.kt
index 45758c5..0c467b1 100644
--- a/packages/SystemUI/compose/scene/src/com/android/compose/animation/scene/SceneTransitionLayout.kt
+++ b/packages/SystemUI/compose/scene/src/com/android/compose/animation/scene/SceneTransitionLayout.kt
@@ -28,10 +28,13 @@
 import androidx.compose.ui.geometry.Offset
 import androidx.compose.ui.input.nestedscroll.NestedScrollConnection
 import androidx.compose.ui.platform.LocalDensity
+import androidx.compose.ui.platform.LocalLayoutDirection
 import androidx.compose.ui.unit.Density
 import androidx.compose.ui.unit.Dp
 import androidx.compose.ui.unit.IntOffset
 import androidx.compose.ui.unit.IntSize
+import androidx.compose.ui.unit.LayoutDirection
+import com.android.compose.animation.scene.UserAction.Resolved
 
 /**
  * [SceneTransitionLayout] is a container that automatically animates its content whenever its state
@@ -344,34 +347,71 @@
 @Stable @ElementDsl interface MovableElementContentScope : BaseSceneScope, ElementBoxScope
 
 /** An action performed by the user. */
-sealed interface UserAction {
+sealed class UserAction {
     infix fun to(scene: SceneKey): Pair<UserAction, UserActionResult> {
         return this to UserActionResult(toScene = scene)
     }
+
+    /** Resolve this into a [Resolved] user action given [layoutDirection]. */
+    internal abstract fun resolve(layoutDirection: LayoutDirection): Resolved
+
+    /** A resolved [UserAction] that does not depend on the layout direction. */
+    internal sealed class Resolved
 }
 
 /** The user navigated back, either using a gesture or by triggering a KEYCODE_BACK event. */
-data object Back : UserAction
+data object Back : UserAction() {
+    override fun resolve(layoutDirection: LayoutDirection): Resolved = Resolved
+
+    internal object Resolved : UserAction.Resolved()
+}
 
 /** The user swiped on the container. */
 data class Swipe(
     val direction: SwipeDirection,
     val pointerCount: Int = 1,
     val fromSource: SwipeSource? = null,
-) : UserAction {
+) : UserAction() {
     companion object {
         val Left = Swipe(SwipeDirection.Left)
         val Up = Swipe(SwipeDirection.Up)
         val Right = Swipe(SwipeDirection.Right)
         val Down = Swipe(SwipeDirection.Down)
+        val Start = Swipe(SwipeDirection.Start)
+        val End = Swipe(SwipeDirection.End)
     }
+
+    override fun resolve(layoutDirection: LayoutDirection): UserAction.Resolved {
+        return Resolved(
+            direction = direction.resolve(layoutDirection),
+            pointerCount = pointerCount,
+            fromSource = fromSource?.resolve(layoutDirection),
+        )
+    }
+
+    /** A resolved [Swipe] that does not depend on the layout direction. */
+    internal data class Resolved(
+        val direction: SwipeDirection.Resolved,
+        val pointerCount: Int,
+        val fromSource: SwipeSource.Resolved?,
+    ) : UserAction.Resolved()
 }
 
-enum class SwipeDirection(val orientation: Orientation) {
-    Up(Orientation.Vertical),
-    Down(Orientation.Vertical),
-    Left(Orientation.Horizontal),
-    Right(Orientation.Horizontal),
+enum class SwipeDirection(internal val resolve: (LayoutDirection) -> Resolved) {
+    Up(resolve = { Resolved.Up }),
+    Down(resolve = { Resolved.Down }),
+    Left(resolve = { Resolved.Left }),
+    Right(resolve = { Resolved.Right }),
+    Start(resolve = { if (it == LayoutDirection.Ltr) Resolved.Left else Resolved.Right }),
+    End(resolve = { if (it == LayoutDirection.Ltr) Resolved.Right else Resolved.Left });
+
+    /** A resolved [SwipeDirection] that does not depend on the layout direction. */
+    internal enum class Resolved(val orientation: Orientation) {
+        Up(Orientation.Vertical),
+        Down(Orientation.Vertical),
+        Left(Orientation.Horizontal),
+        Right(Orientation.Horizontal),
+    }
 }
 
 /**
@@ -386,6 +426,16 @@
     override fun equals(other: Any?): Boolean
 
     override fun hashCode(): Int
+
+    /** Resolve this into a [Resolved] swipe source given [layoutDirection]. */
+    fun resolve(layoutDirection: LayoutDirection): Resolved
+
+    /** A resolved [SwipeSource] that does not depend on the layout direction. */
+    interface Resolved {
+        override fun equals(other: Any?): Boolean
+
+        override fun hashCode(): Int
+    }
 }
 
 interface SwipeSourceDetector {
@@ -460,11 +510,13 @@
     scenes: SceneTransitionLayoutScope.() -> Unit,
 ) {
     val density = LocalDensity.current
+    val layoutDirection = LocalLayoutDirection.current
     val coroutineScope = rememberCoroutineScope()
     val layoutImpl = remember {
         SceneTransitionLayoutImpl(
                 state = state as BaseSceneTransitionLayoutState,
                 density = density,
+                layoutDirection = layoutDirection,
                 swipeSourceDetector = swipeSourceDetector,
                 transitionInterceptionThreshold = transitionInterceptionThreshold,
                 builder = scenes,
@@ -475,7 +527,7 @@
 
     // TODO(b/317014852): Move this into the SideEffect {} again once STLImpl.scenes is not a
     // SnapshotStateMap anymore.
-    layoutImpl.updateScenes(scenes)
+    layoutImpl.updateScenes(scenes, layoutDirection)
 
     SideEffect {
         if (state != layoutImpl.state) {
@@ -486,6 +538,7 @@
         }
 
         layoutImpl.density = density
+        layoutImpl.layoutDirection = layoutDirection
         layoutImpl.swipeSourceDetector = swipeSourceDetector
         layoutImpl.transitionInterceptionThreshold = transitionInterceptionThreshold
     }
diff --git a/packages/SystemUI/compose/scene/src/com/android/compose/animation/scene/SceneTransitionLayoutImpl.kt b/packages/SystemUI/compose/scene/src/com/android/compose/animation/scene/SceneTransitionLayoutImpl.kt
index 6095419..3e48c42 100644
--- a/packages/SystemUI/compose/scene/src/com/android/compose/animation/scene/SceneTransitionLayoutImpl.kt
+++ b/packages/SystemUI/compose/scene/src/com/android/compose/animation/scene/SceneTransitionLayoutImpl.kt
@@ -33,6 +33,7 @@
 import androidx.compose.ui.unit.Constraints
 import androidx.compose.ui.unit.Density
 import androidx.compose.ui.unit.IntSize
+import androidx.compose.ui.unit.LayoutDirection
 import androidx.compose.ui.util.fastForEach
 import androidx.compose.ui.util.fastForEachReversed
 import com.android.compose.ui.util.lerp
@@ -45,6 +46,7 @@
 internal class SceneTransitionLayoutImpl(
     internal val state: BaseSceneTransitionLayoutState,
     internal var density: Density,
+    internal var layoutDirection: LayoutDirection,
     internal var swipeSourceDetector: SwipeSourceDetector,
     internal var transitionInterceptionThreshold: Float,
     builder: SceneTransitionLayoutScope.() -> Unit,
@@ -114,7 +116,7 @@
         private set
 
     init {
-        updateScenes(builder)
+        updateScenes(builder, layoutDirection)
 
         // DraggableHandlerImpl must wait for the scenes to be initialized, in order to access the
         // current scene (required for SwipeTransition).
@@ -147,7 +149,10 @@
         return scenes[key] ?: error("Scene $key is not configured")
     }
 
-    internal fun updateScenes(builder: SceneTransitionLayoutScope.() -> Unit) {
+    internal fun updateScenes(
+        builder: SceneTransitionLayoutScope.() -> Unit,
+        layoutDirection: LayoutDirection,
+    ) {
         // Keep a reference of the current scenes. After processing [builder], the scenes that were
         // not configured will be removed.
         val scenesToRemove = scenes.keys.toMutableSet()
@@ -163,11 +168,13 @@
                 ) {
                     scenesToRemove.remove(key)
 
+                    val resolvedUserActions =
+                        userActions.mapKeys { it.key.resolve(layoutDirection) }
                     val scene = scenes[key]
                     if (scene != null) {
                         // Update an existing scene.
                         scene.content = content
-                        scene.userActions = userActions
+                        scene.userActions = resolvedUserActions
                         scene.zIndex = zIndex
                     } else {
                         // New scene.
@@ -176,7 +183,7 @@
                                 key,
                                 this@SceneTransitionLayoutImpl,
                                 content,
-                                userActions,
+                                resolvedUserActions,
                                 zIndex,
                             )
                     }
@@ -213,7 +220,7 @@
     @Composable
     private fun BackHandler() {
         val targetSceneForBack =
-            scene(state.transitionState.currentScene).userActions[Back]?.toScene
+            scene(state.transitionState.currentScene).userActions[Back.Resolved]?.toScene
         PredictiveBackHandler(state, coroutineScope, targetSceneForBack)
     }
 
diff --git a/packages/SystemUI/compose/scene/src/com/android/compose/animation/scene/SwipeToScene.kt b/packages/SystemUI/compose/scene/src/com/android/compose/animation/scene/SwipeToScene.kt
index 171e243..aeb6262 100644
--- a/packages/SystemUI/compose/scene/src/com/android/compose/animation/scene/SwipeToScene.kt
+++ b/packages/SystemUI/compose/scene/src/com/android/compose/animation/scene/SwipeToScene.kt
@@ -98,7 +98,9 @@
 
     /** Whether swipe should be enabled in the given [orientation]. */
     private fun Scene.shouldEnableSwipes(orientation: Orientation): Boolean {
-        return userActions.keys.any { it is Swipe && it.direction.orientation == orientation }
+        return userActions.keys.any {
+            it is Swipe.Resolved && it.direction.orientation == orientation
+        }
     }
 
     private fun startDragImmediately(startedPosition: Offset): Boolean {
diff --git a/packages/SystemUI/compose/scene/src/com/android/compose/animation/scene/transformation/EdgeTranslate.kt b/packages/SystemUI/compose/scene/src/com/android/compose/animation/scene/transformation/EdgeTranslate.kt
index aa8dc38..7daefd0 100644
--- a/packages/SystemUI/compose/scene/src/com/android/compose/animation/scene/transformation/EdgeTranslate.kt
+++ b/packages/SystemUI/compose/scene/src/com/android/compose/animation/scene/transformation/EdgeTranslate.kt
@@ -44,26 +44,26 @@
             return value
         }
 
-        return when (edge) {
-            Edge.Top ->
+        return when (edge.resolve(layoutImpl.layoutDirection)) {
+            Edge.Resolved.Top ->
                 if (startsOutsideLayoutBounds) {
                     Offset(value.x, -elementSize.height.toFloat())
                 } else {
                     Offset(value.x, 0f)
                 }
-            Edge.Left ->
+            Edge.Resolved.Left ->
                 if (startsOutsideLayoutBounds) {
                     Offset(-elementSize.width.toFloat(), value.y)
                 } else {
                     Offset(0f, value.y)
                 }
-            Edge.Bottom ->
+            Edge.Resolved.Bottom ->
                 if (startsOutsideLayoutBounds) {
                     Offset(value.x, sceneSize.height.toFloat())
                 } else {
                     Offset(value.x, (sceneSize.height - elementSize.height).toFloat())
                 }
-            Edge.Right ->
+            Edge.Resolved.Right ->
                 if (startsOutsideLayoutBounds) {
                     Offset(sceneSize.width.toFloat(), value.y)
                 } else {
diff --git a/packages/SystemUI/compose/scene/tests/src/com/android/compose/animation/scene/DraggableHandlerTest.kt b/packages/SystemUI/compose/scene/tests/src/com/android/compose/animation/scene/DraggableHandlerTest.kt
index ff83d4b..7a5a84e 100644
--- a/packages/SystemUI/compose/scene/tests/src/com/android/compose/animation/scene/DraggableHandlerTest.kt
+++ b/packages/SystemUI/compose/scene/tests/src/com/android/compose/animation/scene/DraggableHandlerTest.kt
@@ -25,6 +25,7 @@
 import androidx.compose.ui.input.nestedscroll.NestedScrollSource
 import androidx.compose.ui.unit.Density
 import androidx.compose.ui.unit.IntSize
+import androidx.compose.ui.unit.LayoutDirection
 import androidx.compose.ui.unit.Velocity
 import androidx.test.ext.junit.runners.AndroidJUnit4
 import com.android.compose.animation.scene.NestedScrollBehavior.DuringTransitionBetweenScenes
@@ -61,8 +62,24 @@
                 canChangeScene = { canChangeScene(it) },
             )
 
-        val mutableUserActionsA = mutableMapOf(Swipe.Up to SceneB, Swipe.Down to SceneC)
-        val mutableUserActionsB = mutableMapOf(Swipe.Up to SceneC, Swipe.Down to SceneA)
+        var layoutDirection = LayoutDirection.Rtl
+            set(value) {
+                field = value
+                layoutImpl.updateScenes(scenesBuilder, layoutDirection)
+            }
+
+        var mutableUserActionsA = mapOf(Swipe.Up to SceneB, Swipe.Down to SceneC)
+            set(value) {
+                field = value
+                layoutImpl.updateScenes(scenesBuilder, layoutDirection)
+            }
+
+        var mutableUserActionsB = mapOf(Swipe.Up to SceneC, Swipe.Down to SceneA)
+            set(value) {
+                field = value
+                layoutImpl.updateScenes(scenesBuilder, layoutDirection)
+            }
+
         private val scenesBuilder: SceneTransitionLayoutScope.() -> Unit = {
             scene(
                 key = SceneA,
@@ -94,6 +111,7 @@
             SceneTransitionLayoutImpl(
                     state = layoutState,
                     density = Density(1f),
+                    layoutDirection = LayoutDirection.Ltr,
                     swipeSourceDetector = DefaultEdgeDetector,
                     transitionInterceptionThreshold = transitionInterceptionThreshold,
                     builder = scenesBuilder,
@@ -466,10 +484,8 @@
         dragController1.onDragStopped(velocity = -velocityThreshold)
         assertTransition(currentScene = SceneB, fromScene = SceneA, toScene = SceneB)
 
-        mutableUserActionsA.remove(Swipe.Up)
-        mutableUserActionsA.remove(Swipe.Down)
-        mutableUserActionsB.remove(Swipe.Up)
-        mutableUserActionsB.remove(Swipe.Down)
+        mutableUserActionsA = emptyMap()
+        mutableUserActionsB = emptyMap()
 
         // start accelaratedScroll and scroll over to B -> null
         val dragController2 = onDragStartedImmediately()
@@ -495,7 +511,7 @@
         val dragController1 = onDragStarted(overSlop = up(fractionOfScreen = 0.1f))
         assertTransition(fromScene = SceneA, toScene = SceneB, progress = 0.1f)
 
-        mutableUserActionsA[Swipe.Up] = UserActionResult(SceneC)
+        mutableUserActionsA += Swipe.Up to UserActionResult(SceneC)
         dragController1.onDragDelta(pixels = up(fractionOfScreen = 0.1f))
         // target stays B even though UserActions changed
         assertTransition(fromScene = SceneA, toScene = SceneB, progress = 0.2f)
@@ -512,7 +528,7 @@
         val dragController1 = onDragStarted(overSlop = up(fractionOfScreen = 0.1f))
         assertTransition(fromScene = SceneA, toScene = SceneB, progress = 0.1f)
 
-        mutableUserActionsA[Swipe.Up] = UserActionResult(SceneC)
+        mutableUserActionsA += Swipe.Up to UserActionResult(SceneC)
         dragController1.onDragDelta(pixels = up(fractionOfScreen = 0.1f))
         dragController1.onDragStopped(velocity = down(fractionOfScreen = 0.1f))
 
@@ -1149,8 +1165,7 @@
             overscroll(SceneA, Orientation.Vertical) { fade(TestElements.Foo) }
         }
 
-        mutableUserActionsA.clear()
-        mutableUserActionsA[Swipe.Up] = UserActionResult(SceneB)
+        mutableUserActionsA = mapOf(Swipe.Up to UserActionResult(SceneB))
 
         val middle = Offset(SCREEN_SIZE / 2f, SCREEN_SIZE / 2f)
         val dragController = onDragStarted(startedPosition = middle, overSlop = down(1f))
@@ -1178,8 +1193,7 @@
             overscroll(SceneA, Orientation.Vertical) { fade(TestElements.Foo) }
         }
 
-        mutableUserActionsA.clear()
-        mutableUserActionsA[Swipe.Down] = UserActionResult(SceneC)
+        mutableUserActionsA = mapOf(Swipe.Down to UserActionResult(SceneC))
 
         val middle = Offset(SCREEN_SIZE / 2f, SCREEN_SIZE / 2f)
         val dragController = onDragStarted(startedPosition = middle, overSlop = up(1f))
@@ -1220,7 +1234,8 @@
 
     @Test
     fun requireFullDistanceSwipe() = runGestureTest {
-        mutableUserActionsA[Swipe.Up] = UserActionResult(SceneB, requiresFullDistanceSwipe = true)
+        mutableUserActionsA +=
+            Swipe.Up to UserActionResult(SceneB, requiresFullDistanceSwipe = true)
 
         val controller = onDragStarted(overSlop = up(fractionOfScreen = 0.9f))
         assertTransition(fromScene = SceneA, toScene = SceneB, progress = 0.9f)
diff --git a/packages/SystemUI/compose/scene/tests/src/com/android/compose/animation/scene/SwipeToSceneTest.kt b/packages/SystemUI/compose/scene/tests/src/com/android/compose/animation/scene/SwipeToSceneTest.kt
index 25ea2ee..0766e00 100644
--- a/packages/SystemUI/compose/scene/tests/src/com/android/compose/animation/scene/SwipeToSceneTest.kt
+++ b/packages/SystemUI/compose/scene/tests/src/com/android/compose/animation/scene/SwipeToSceneTest.kt
@@ -23,11 +23,13 @@
 import androidx.compose.foundation.layout.offset
 import androidx.compose.foundation.layout.size
 import androidx.compose.runtime.Composable
+import androidx.compose.runtime.CompositionLocalProvider
 import androidx.compose.runtime.getValue
 import androidx.compose.runtime.mutableStateOf
 import androidx.compose.runtime.setValue
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.geometry.Offset
+import androidx.compose.ui.platform.LocalLayoutDirection
 import androidx.compose.ui.platform.LocalViewConfiguration
 import androidx.compose.ui.platform.testTag
 import androidx.compose.ui.test.assertPositionInRootIsEqualTo
@@ -37,10 +39,12 @@
 import androidx.compose.ui.test.swipeWithVelocity
 import androidx.compose.ui.unit.Density
 import androidx.compose.ui.unit.IntSize
+import androidx.compose.ui.unit.LayoutDirection
 import androidx.compose.ui.unit.dp
 import androidx.test.ext.junit.runners.AndroidJUnit4
 import com.android.compose.animation.scene.TestScenes.SceneA
 import com.android.compose.animation.scene.TestScenes.SceneB
+import com.android.compose.animation.scene.TestScenes.SceneC
 import com.android.compose.animation.scene.subjects.assertThat
 import com.google.common.truth.Truth.assertThat
 import org.junit.Rule
@@ -634,4 +638,152 @@
         // Foo should be translated by (20dp, 30dp).
         rule.onNode(isElement(TestElements.Foo)).assertPositionInRootIsEqualTo(20.dp, 30.dp)
     }
+
+    @Test
+    fun startEnd_ltrLayout() {
+        val state =
+            rule.runOnUiThread {
+                MutableSceneTransitionLayoutState(
+                    initialScene = SceneA,
+                    transitions =
+                        transitions {
+                            from(SceneA, to = SceneB) {
+                                // We go to B by swiping to the start (left in LTR), so we make
+                                // scene B appear from the end (right) edge.
+                                translate(SceneB.rootElementKey, Edge.End)
+                            }
+
+                            from(SceneA, to = SceneC) {
+                                // We go to C by swiping to the end (right in LTR), so we make
+                                // scene C appear from the start (left) edge.
+                                translate(SceneC.rootElementKey, Edge.Start)
+                            }
+                        },
+                )
+            }
+
+        val layoutSize = 200.dp
+        var touchSlop = 0f
+        rule.setContent {
+            touchSlop = LocalViewConfiguration.current.touchSlop
+            SceneTransitionLayout(state, Modifier.size(layoutSize)) {
+                scene(SceneA, userActions = mapOf(Swipe.Start to SceneB, Swipe.End to SceneC)) {
+                    Box(Modifier.fillMaxSize())
+                }
+                scene(SceneB) { Box(Modifier.element(SceneB.rootElementKey).fillMaxSize()) }
+                scene(SceneC) { Box(Modifier.element(SceneC.rootElementKey).fillMaxSize()) }
+            }
+        }
+
+        // Swipe to the left (start).
+        rule.onRoot().performTouchInput {
+            val middle = (layoutSize / 2).toPx()
+            down(Offset(middle, middle))
+            moveBy(Offset(-touchSlop, 0f), delayMillis = 1_000)
+        }
+
+        // Scene B should come from the right (end) edge.
+        var transition = assertThat(state.transitionState).isTransition()
+        assertThat(transition).hasFromScene(SceneA)
+        assertThat(transition).hasToScene(SceneB)
+        rule
+            .onNode(isElement(SceneB.rootElementKey))
+            .assertPositionInRootIsEqualTo(layoutSize, 0.dp)
+
+        // Release to go back to A.
+        rule.onRoot().performTouchInput { up() }
+        rule.waitForIdle()
+        assertThat(state.transitionState).isIdle()
+        assertThat(state.transitionState).hasCurrentScene(SceneA)
+
+        // Swipe to the right (end).
+        rule.onRoot().performTouchInput {
+            val middle = (layoutSize / 2).toPx()
+            down(Offset(middle, middle))
+            moveBy(Offset(touchSlop, 0f), delayMillis = 1_000)
+        }
+
+        // Scene C should come from the left (start) edge.
+        transition = assertThat(state.transitionState).isTransition()
+        assertThat(transition).hasFromScene(SceneA)
+        assertThat(transition).hasToScene(SceneC)
+        rule
+            .onNode(isElement(SceneC.rootElementKey))
+            .assertPositionInRootIsEqualTo(-layoutSize, 0.dp)
+    }
+
+    @Test
+    fun startEnd_rtlLayout() {
+        val state =
+            rule.runOnUiThread {
+                MutableSceneTransitionLayoutState(
+                    initialScene = SceneA,
+                    transitions =
+                        transitions {
+                            from(SceneA, to = SceneB) {
+                                // We go to B by swiping to the start (right in RTL), so we make
+                                // scene B appear from the end (left) edge.
+                                translate(SceneB.rootElementKey, Edge.End)
+                            }
+
+                            from(SceneA, to = SceneC) {
+                                // We go to C by swiping to the end (left in RTL), so we make
+                                // scene C appear from the start (right) edge.
+                                translate(SceneC.rootElementKey, Edge.Start)
+                            }
+                        },
+                )
+            }
+
+        val layoutSize = 200.dp
+        var touchSlop = 0f
+        rule.setContent {
+            touchSlop = LocalViewConfiguration.current.touchSlop
+            CompositionLocalProvider(LocalLayoutDirection provides LayoutDirection.Rtl) {
+                SceneTransitionLayout(state, Modifier.size(layoutSize)) {
+                    scene(SceneA, userActions = mapOf(Swipe.Start to SceneB, Swipe.End to SceneC)) {
+                        Box(Modifier.fillMaxSize())
+                    }
+                    scene(SceneB) { Box(Modifier.element(SceneB.rootElementKey).fillMaxSize()) }
+                    scene(SceneC) { Box(Modifier.element(SceneC.rootElementKey).fillMaxSize()) }
+                }
+            }
+        }
+
+        // Swipe to the left (end).
+        rule.onRoot().performTouchInput {
+            val middle = (layoutSize / 2).toPx()
+            down(Offset(middle, middle))
+            moveBy(Offset(-touchSlop, 0f), delayMillis = 1_000)
+        }
+
+        // Scene C should come from the right (start) edge.
+        var transition = assertThat(state.transitionState).isTransition()
+        assertThat(transition).hasFromScene(SceneA)
+        assertThat(transition).hasToScene(SceneC)
+        rule
+            .onNode(isElement(SceneC.rootElementKey))
+            .assertPositionInRootIsEqualTo(layoutSize, 0.dp)
+
+        // Release to go back to A.
+        rule.onRoot().performTouchInput { up() }
+        rule.waitForIdle()
+        assertThat(state.transitionState).isIdle()
+        assertThat(state.transitionState).hasCurrentScene(SceneA)
+
+        // Swipe to the right (start).
+        rule.onRoot().performTouchInput {
+            val middle = (layoutSize / 2).toPx()
+            down(Offset(middle, middle))
+            moveBy(Offset(touchSlop, 0f), delayMillis = 1_000)
+        }
+
+        // Scene C should come from the left (end) edge.
+        transition = assertThat(state.transitionState).isTransition()
+        assertThat(transition).hasFromScene(SceneA)
+        assertThat(transition).hasToScene(SceneB)
+        rule
+            .onNode(isElement(SceneB.rootElementKey))
+            .assertPositionInRootIsEqualTo(-layoutSize, 0.dp)
+    }
 }
diff --git a/packages/SystemUI/multivalentTests/src/com/android/systemui/communal/CommunalSceneStartableTest.kt b/packages/SystemUI/multivalentTests/src/com/android/systemui/communal/CommunalSceneStartableTest.kt
index 0de0369..cee8ae9 100644
--- a/packages/SystemUI/multivalentTests/src/com/android/systemui/communal/CommunalSceneStartableTest.kt
+++ b/packages/SystemUI/multivalentTests/src/com/android/systemui/communal/CommunalSceneStartableTest.kt
@@ -98,7 +98,7 @@
     }
 
     @Test
-    fun keyguardGoesAway_forceBlankScene() =
+    fun keyguardGoesAway_whenLaunchingWidget_doNotForceBlankScene() =
         with(kosmos) {
             testScope.runTest {
                 val scene by collectLastValue(communalSceneInteractor.currentScene)
@@ -106,6 +106,27 @@
                 communalSceneInteractor.changeScene(CommunalScenes.Communal)
                 assertThat(scene).isEqualTo(CommunalScenes.Communal)
 
+                communalSceneInteractor.setIsLaunchingWidget(true)
+                fakeKeyguardTransitionRepository.sendTransitionSteps(
+                    from = KeyguardState.PRIMARY_BOUNCER,
+                    to = KeyguardState.GONE,
+                    testScope = this
+                )
+
+                assertThat(scene).isEqualTo(CommunalScenes.Communal)
+            }
+        }
+
+    @Test
+    fun keyguardGoesAway_whenNotLaunchingWidget_forceBlankScene() =
+        with(kosmos) {
+            testScope.runTest {
+                val scene by collectLastValue(communalSceneInteractor.currentScene)
+
+                communalSceneInteractor.changeScene(CommunalScenes.Communal)
+                assertThat(scene).isEqualTo(CommunalScenes.Communal)
+
+                communalSceneInteractor.setIsLaunchingWidget(false)
                 fakeKeyguardTransitionRepository.sendTransitionSteps(
                     from = KeyguardState.PRIMARY_BOUNCER,
                     to = KeyguardState.GONE,
diff --git a/packages/SystemUI/multivalentTests/src/com/android/systemui/communal/smartspace/SmartspaceInteractionHandlerTest.kt b/packages/SystemUI/multivalentTests/src/com/android/systemui/communal/smartspace/SmartspaceInteractionHandlerTest.kt
index 0cd3fb2..d51d356 100644
--- a/packages/SystemUI/multivalentTests/src/com/android/systemui/communal/smartspace/SmartspaceInteractionHandlerTest.kt
+++ b/packages/SystemUI/multivalentTests/src/com/android/systemui/communal/smartspace/SmartspaceInteractionHandlerTest.kt
@@ -26,14 +26,23 @@
 import androidx.test.ext.junit.runners.AndroidJUnit4
 import androidx.test.filters.SmallTest
 import com.android.systemui.SysuiTestCase
+import com.android.systemui.communal.domain.interactor.communalSceneInteractor
+import com.android.systemui.communal.widgets.CommunalTransitionAnimatorController
 import com.android.systemui.communal.widgets.SmartspaceAppWidgetHostView
+import com.android.systemui.coroutines.collectLastValue
+import com.android.systemui.kosmos.testScope
 import com.android.systemui.plugins.ActivityStarter
+import com.android.systemui.testKosmos
+import kotlinx.coroutines.test.runTest
+import org.junit.Assert.assertFalse
+import org.junit.Assert.assertTrue
+import org.junit.Before
 import org.junit.Test
 import org.junit.runner.RunWith
+import org.mockito.kotlin.any
 import org.mockito.kotlin.eq
 import org.mockito.kotlin.isNull
 import org.mockito.kotlin.mock
-import org.mockito.kotlin.notNull
 import org.mockito.kotlin.refEq
 import org.mockito.kotlin.verify
 
@@ -41,6 +50,7 @@
 @RunWith(AndroidJUnit4::class)
 class SmartspaceInteractionHandlerTest : SysuiTestCase() {
     private val activityStarter = mock<ActivityStarter>()
+    private val kosmos = testKosmos()
 
     private val testIntent =
         PendingIntent.getActivity(
@@ -51,29 +61,43 @@
         )
     private val testResponse = RemoteResponse.fromPendingIntent(testIntent)
 
-    private val underTest: SmartspaceInteractionHandler by lazy {
-        SmartspaceInteractionHandler(activityStarter)
+    private lateinit var underTest: SmartspaceInteractionHandler
+
+    @Before
+    fun setUp() {
+        with(kosmos) {
+            underTest = SmartspaceInteractionHandler(activityStarter, communalSceneInteractor)
+        }
     }
 
     @Test
     fun launchAnimatorIsUsedForSmartspaceView() {
-        val parent = FrameLayout(context)
-        val view = SmartspaceAppWidgetHostView(context)
-        parent.addView(view)
-        val (fillInIntent, activityOptions) = testResponse.getLaunchOptions(view)
+        with(kosmos) {
+            testScope.runTest {
+                val launching by collectLastValue(communalSceneInteractor.isLaunchingWidget)
+                assertFalse(launching!!)
 
-        underTest.onInteraction(view, testIntent, testResponse)
+                val parent = FrameLayout(context)
+                val view = SmartspaceAppWidgetHostView(context)
+                parent.addView(view)
+                val (fillInIntent, activityOptions) = testResponse.getLaunchOptions(view)
 
-        // Verify that we pass in a non-null animation controller
-        verify(activityStarter)
-            .startPendingIntentWithoutDismissing(
-                /* intent = */ eq(testIntent),
-                /* dismissShade = */ eq(false),
-                /* intentSentUiThreadCallback = */ isNull(),
-                /* animationController = */ notNull(),
-                /* fillInIntent = */ refEq(fillInIntent),
-                /* extraOptions = */ refEq(activityOptions.toBundle()),
-            )
+                underTest.onInteraction(view, testIntent, testResponse)
+
+                // Verify that we set the state correctly
+                assertTrue(launching!!)
+                // Verify that we pass in a non-null Communal animation controller
+                verify(activityStarter)
+                    .startPendingIntentWithoutDismissing(
+                        /* intent = */ eq(testIntent),
+                        /* dismissShade = */ eq(false),
+                        /* intentSentUiThreadCallback = */ isNull(),
+                        /* animationController = */ any<CommunalTransitionAnimatorController>(),
+                        /* fillInIntent = */ refEq(fillInIntent),
+                        /* extraOptions = */ refEq(activityOptions.toBundle()),
+                    )
+            }
+        }
     }
 
     @Test
diff --git a/packages/SystemUI/multivalentTests/src/com/android/systemui/communal/widgets/CommunalTransitionAnimatorControllerTest.kt b/packages/SystemUI/multivalentTests/src/com/android/systemui/communal/widgets/CommunalTransitionAnimatorControllerTest.kt
new file mode 100644
index 0000000..ac50db4
--- /dev/null
+++ b/packages/SystemUI/multivalentTests/src/com/android/systemui/communal/widgets/CommunalTransitionAnimatorControllerTest.kt
@@ -0,0 +1,115 @@
+/*
+ * 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.
+ */
+
+import androidx.test.ext.junit.runners.AndroidJUnit4
+import androidx.test.filters.SmallTest
+import com.android.systemui.SysuiTestCase
+import com.android.systemui.animation.ActivityTransitionAnimator
+import com.android.systemui.communal.domain.interactor.communalSceneInteractor
+import com.android.systemui.communal.shared.model.CommunalScenes
+import com.android.systemui.communal.widgets.CommunalTransitionAnimatorController
+import com.android.systemui.coroutines.collectLastValue
+import com.android.systemui.kosmos.testScope
+import com.android.systemui.testKosmos
+import com.google.common.truth.Truth
+import kotlinx.coroutines.test.runTest
+import org.junit.Assert.assertFalse
+import org.junit.Assert.assertTrue
+import org.junit.Before
+import org.junit.Test
+import org.junit.runner.RunWith
+import org.mockito.kotlin.mock
+import org.mockito.kotlin.verify
+
+@SmallTest
+@RunWith(AndroidJUnit4::class)
+class CommunalTransitionAnimatorControllerTest : SysuiTestCase() {
+    private val controller = mock<ActivityTransitionAnimator.Controller>()
+    private val kosmos = testKosmos()
+
+    private lateinit var underTest: CommunalTransitionAnimatorController
+
+    @Before
+    fun setUp() {
+        with(kosmos) {
+            underTest = CommunalTransitionAnimatorController(controller, communalSceneInteractor)
+        }
+    }
+
+    @Test
+    fun doNotAnimate_launchingWidgetStateIsCleared() {
+        with(kosmos) {
+            testScope.runTest {
+                val launching by collectLastValue(communalSceneInteractor.isLaunchingWidget)
+
+                communalSceneInteractor.setIsLaunchingWidget(true)
+                assertTrue(launching!!)
+
+                underTest.onIntentStarted(willAnimate = false)
+                assertFalse(launching!!)
+                verify(controller).onIntentStarted(willAnimate = false)
+            }
+        }
+    }
+
+    @Test
+    fun animationCancelled_launchingWidgetStateIsClearedAndSceneIsNotChanged() {
+        with(kosmos) {
+            testScope.runTest {
+                val launching by collectLastValue(communalSceneInteractor.isLaunchingWidget)
+                val scene by collectLastValue(communalSceneInteractor.currentScene)
+
+                communalSceneInteractor.changeScene(CommunalScenes.Communal)
+                Truth.assertThat(scene).isEqualTo(CommunalScenes.Communal)
+                communalSceneInteractor.setIsLaunchingWidget(true)
+                assertTrue(launching!!)
+
+                underTest.onIntentStarted(willAnimate = true)
+                assertTrue(launching!!)
+                verify(controller).onIntentStarted(willAnimate = true)
+
+                underTest.onTransitionAnimationCancelled(newKeyguardOccludedState = true)
+                assertFalse(launching!!)
+                Truth.assertThat(scene).isEqualTo(CommunalScenes.Communal)
+                verify(controller).onTransitionAnimationCancelled(newKeyguardOccludedState = true)
+            }
+        }
+    }
+
+    @Test
+    fun animationComplete_launchingWidgetStateIsClearedAndSceneIsChanged() {
+        with(kosmos) {
+            testScope.runTest {
+                val launching by collectLastValue(communalSceneInteractor.isLaunchingWidget)
+                val scene by collectLastValue(communalSceneInteractor.currentScene)
+
+                communalSceneInteractor.changeScene(CommunalScenes.Communal)
+                Truth.assertThat(scene).isEqualTo(CommunalScenes.Communal)
+                communalSceneInteractor.setIsLaunchingWidget(true)
+                assertTrue(launching!!)
+
+                underTest.onIntentStarted(willAnimate = true)
+                assertTrue(launching!!)
+                verify(controller).onIntentStarted(willAnimate = true)
+
+                underTest.onTransitionAnimationEnd(isExpandingFullyAbove = true)
+                assertFalse(launching!!)
+                Truth.assertThat(scene).isEqualTo(CommunalScenes.Blank)
+                verify(controller).onTransitionAnimationEnd(isExpandingFullyAbove = true)
+            }
+        }
+    }
+}
diff --git a/packages/SystemUI/multivalentTests/src/com/android/systemui/communal/widgets/WidgetInteractionHandlerTest.kt b/packages/SystemUI/multivalentTests/src/com/android/systemui/communal/widgets/WidgetInteractionHandlerTest.kt
index 7044895..ea8b5ab 100644
--- a/packages/SystemUI/multivalentTests/src/com/android/systemui/communal/widgets/WidgetInteractionHandlerTest.kt
+++ b/packages/SystemUI/multivalentTests/src/com/android/systemui/communal/widgets/WidgetInteractionHandlerTest.kt
@@ -26,13 +26,21 @@
 import androidx.test.ext.junit.runners.AndroidJUnit4
 import androidx.test.filters.SmallTest
 import com.android.systemui.SysuiTestCase
+import com.android.systemui.communal.domain.interactor.communalSceneInteractor
+import com.android.systemui.coroutines.collectLastValue
+import com.android.systemui.kosmos.testScope
 import com.android.systemui.plugins.ActivityStarter
+import com.android.systemui.testKosmos
+import kotlinx.coroutines.test.runTest
+import org.junit.Assert.assertFalse
+import org.junit.Assert.assertTrue
+import org.junit.Before
 import org.junit.Test
 import org.junit.runner.RunWith
+import org.mockito.kotlin.any
 import org.mockito.kotlin.eq
 import org.mockito.kotlin.isNull
 import org.mockito.kotlin.mock
-import org.mockito.kotlin.notNull
 import org.mockito.kotlin.refEq
 import org.mockito.kotlin.verify
 
@@ -40,6 +48,7 @@
 @RunWith(AndroidJUnit4::class)
 class WidgetInteractionHandlerTest : SysuiTestCase() {
     private val activityStarter = mock<ActivityStarter>()
+    private val kosmos = testKosmos()
 
     private val testIntent =
         PendingIntent.getActivity(
@@ -50,30 +59,44 @@
         )
     private val testResponse = RemoteResponse.fromPendingIntent(testIntent)
 
-    private val underTest: WidgetInteractionHandler by lazy {
-        WidgetInteractionHandler(activityStarter)
+    private lateinit var underTest: WidgetInteractionHandler
+
+    @Before
+    fun setUp() {
+        with(kosmos) {
+            underTest = WidgetInteractionHandler(activityStarter, communalSceneInteractor)
+        }
     }
 
     @Test
     fun launchAnimatorIsUsedForWidgetView() {
-        val parent = FrameLayout(context)
-        val view = CommunalAppWidgetHostView(context)
-        parent.addView(view)
-        val (fillInIntent, activityOptions) = testResponse.getLaunchOptions(view)
+        with(kosmos) {
+            testScope.runTest {
+                val launching by collectLastValue(communalSceneInteractor.isLaunchingWidget)
+                assertFalse(launching!!)
 
-        underTest.onInteraction(view, testIntent, testResponse)
+                val parent = FrameLayout(context)
+                val view = CommunalAppWidgetHostView(context)
+                parent.addView(view)
+                val (fillInIntent, activityOptions) = testResponse.getLaunchOptions(view)
 
-        // Verify that we pass in a non-null animation controller
-        verify(activityStarter)
-            .startPendingIntentMaybeDismissingKeyguard(
-                /* intent = */ eq(testIntent),
-                /* dismissShade = */ eq(false),
-                /* intentSentUiThreadCallback = */ isNull(),
-                /* animationController = */ notNull(),
-                /* fillInIntent = */ refEq(fillInIntent),
-                /* extraOptions = */ refEq(activityOptions.toBundle()),
-                /* customMessage */ isNull(),
-            )
+                underTest.onInteraction(view, testIntent, testResponse)
+
+                // Verify that we set the state correctly
+                assertTrue(launching!!)
+                // Verify that we pass in a non-null Communal animation controller
+                verify(activityStarter)
+                    .startPendingIntentMaybeDismissingKeyguard(
+                        /* intent = */ eq(testIntent),
+                        /* dismissShade = */ eq(false),
+                        /* intentSentUiThreadCallback = */ isNull(),
+                        /* animationController = */ any<CommunalTransitionAnimatorController>(),
+                        /* fillInIntent = */ refEq(fillInIntent),
+                        /* extraOptions = */ refEq(activityOptions.toBundle()),
+                        /* customMessage */ isNull(),
+                    )
+            }
+        }
     }
 
     @Test
diff --git a/packages/SystemUI/multivalentTests/src/com/android/systemui/education/data/repository/ContextualEducationRepositoryTest.kt b/packages/SystemUI/multivalentTests/src/com/android/systemui/education/data/repository/ContextualEducationRepositoryTest.kt
index 4a5342a..3a4b14b 100644
--- a/packages/SystemUI/multivalentTests/src/com/android/systemui/education/data/repository/ContextualEducationRepositoryTest.kt
+++ b/packages/SystemUI/multivalentTests/src/com/android/systemui/education/data/repository/ContextualEducationRepositoryTest.kt
@@ -28,6 +28,8 @@
 import com.android.systemui.shared.education.GestureType.BACK_GESTURE
 import com.google.common.truth.Truth.assertThat
 import java.io.File
+import java.time.Clock
+import java.time.Instant
 import javax.inject.Provider
 import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.test.TestScope
@@ -48,6 +50,7 @@
     private val dsScopeProvider: Provider<CoroutineScope> = Provider {
         TestScope(kosmos.testDispatcher).backgroundScope
     }
+    private val clock: Clock = FakeEduClock(Instant.ofEpochMilli(1000))
     private val testUserId = 1111
 
     // For deleting any test files created after the test
@@ -59,7 +62,7 @@
         // needed before calling TemporaryFolder.newFolder().
         val testContext = TestContext(context, tmpFolder.newFolder())
         val userRepository = UserContextualEducationRepository(testContext, dsScopeProvider)
-        underTest = ContextualEducationRepository(userRepository)
+        underTest = ContextualEducationRepositoryImpl(clock, userRepository)
         underTest.setUser(testUserId)
     }
 
@@ -85,6 +88,15 @@
             assertThat(model?.signalCount).isEqualTo(1)
         }
 
+    @Test
+    fun dataAddedOnUpdateShortcutTriggerTime() =
+        testScope.runTest {
+            val model by collectLastValue(underTest.readGestureEduModelFlow(BACK_GESTURE))
+            assertThat(model?.lastShortcutTriggeredTime).isNull()
+            underTest.updateShortcutTriggerTime(BACK_GESTURE)
+            assertThat(model?.lastShortcutTriggeredTime).isEqualTo(clock.instant())
+        }
+
     /** Test context which allows overriding getFilesDir path */
     private class TestContext(context: Context, private val folder: File) :
         SysuiTestableContext(context) {
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 50772ee..3075c54 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
@@ -18,6 +18,7 @@
 
 package com.android.systemui.keyguard.ui.viewmodel
 
+import android.platform.test.annotations.EnableFlags
 import android.platform.test.flag.junit.FlagsParameterization
 import androidx.test.filters.SmallTest
 import com.android.systemui.SysuiTestCase
@@ -37,6 +38,7 @@
 import com.android.systemui.scene.domain.interactor.sceneInteractor
 import com.android.systemui.scene.shared.model.Scenes
 import com.android.systemui.shade.data.repository.shadeRepository
+import com.android.systemui.shade.shared.flag.DualShade
 import com.android.systemui.testKosmos
 import com.android.systemui.unfold.fakeUnfoldTransitionProgressProvider
 import com.android.systemui.util.mockito.whenever
@@ -124,7 +126,50 @@
     fun areNotificationsVisible_splitShadeTrue_true() =
         with(kosmos) {
             testScope.runTest {
-                val areNotificationsVisible by collectLastValue(underTest.areNotificationsVisible)
+                val areNotificationsVisible by
+                    collectLastValue(underTest.areNotificationsVisible(Scenes.Lockscreen))
+                shadeRepository.setShadeLayoutWide(true)
+                fakeKeyguardClockRepository.setClockSize(ClockSize.LARGE)
+
+                assertThat(areNotificationsVisible).isTrue()
+            }
+        }
+
+    @Test
+    @EnableFlags(DualShade.FLAG_NAME)
+    fun areNotificationsVisible_dualShadeWideOnLockscreen_true() =
+        with(kosmos) {
+            testScope.runTest {
+                val areNotificationsVisible by
+                    collectLastValue(underTest.areNotificationsVisible(Scenes.Lockscreen))
+                shadeRepository.setShadeLayoutWide(true)
+                fakeKeyguardClockRepository.setClockSize(ClockSize.LARGE)
+
+                assertThat(areNotificationsVisible).isTrue()
+            }
+        }
+
+    @Test
+    @EnableFlags(DualShade.FLAG_NAME)
+    fun areNotificationsVisible_dualShadeWideOnNotificationsShade_false() =
+        with(kosmos) {
+            testScope.runTest {
+                val areNotificationsVisible by
+                    collectLastValue(underTest.areNotificationsVisible(Scenes.NotificationsShade))
+                shadeRepository.setShadeLayoutWide(true)
+                fakeKeyguardClockRepository.setClockSize(ClockSize.LARGE)
+
+                assertThat(areNotificationsVisible).isFalse()
+            }
+        }
+
+    @Test
+    @EnableFlags(DualShade.FLAG_NAME)
+    fun areNotificationsVisible_dualShadeWideOnQuickSettingsShade_true() =
+        with(kosmos) {
+            testScope.runTest {
+                val areNotificationsVisible by
+                    collectLastValue(underTest.areNotificationsVisible(Scenes.QuickSettingsShade))
                 shadeRepository.setShadeLayoutWide(true)
                 fakeKeyguardClockRepository.setClockSize(ClockSize.LARGE)
 
@@ -137,7 +182,8 @@
     fun areNotificationsVisible_withSmallClock_true() =
         with(kosmos) {
             testScope.runTest {
-                val areNotificationsVisible by collectLastValue(underTest.areNotificationsVisible)
+                val areNotificationsVisible by
+                    collectLastValue(underTest.areNotificationsVisible(Scenes.Lockscreen))
                 fakeKeyguardClockRepository.setClockSize(ClockSize.SMALL)
                 assertThat(areNotificationsVisible).isTrue()
             }
@@ -148,7 +194,8 @@
     fun areNotificationsVisible_withLargeClock_false() =
         with(kosmos) {
             testScope.runTest {
-                val areNotificationsVisible by collectLastValue(underTest.areNotificationsVisible)
+                val areNotificationsVisible by
+                    collectLastValue(underTest.areNotificationsVisible(Scenes.Lockscreen))
                 fakeKeyguardClockRepository.setClockSize(ClockSize.LARGE)
                 assertThat(areNotificationsVisible).isFalse()
             }
diff --git a/packages/SystemUI/multivalentTests/src/com/android/systemui/statusbar/phone/LegacyActivityStarterInternalImplTest.kt b/packages/SystemUI/multivalentTests/src/com/android/systemui/statusbar/phone/LegacyActivityStarterInternalImplTest.kt
index ccd78ee..59e8ea6 100644
--- a/packages/SystemUI/multivalentTests/src/com/android/systemui/statusbar/phone/LegacyActivityStarterInternalImplTest.kt
+++ b/packages/SystemUI/multivalentTests/src/com/android/systemui/statusbar/phone/LegacyActivityStarterInternalImplTest.kt
@@ -40,6 +40,7 @@
 import com.android.systemui.communal.domain.interactor.CommunalSceneInteractor
 import com.android.systemui.keyguard.KeyguardViewMediator
 import com.android.systemui.keyguard.WakefulnessLifecycle
+import com.android.systemui.plugins.ActivityStarter.OnDismissAction
 import com.android.systemui.settings.UserTracker
 import com.android.systemui.shade.ShadeController
 import com.android.systemui.shade.data.repository.FakeShadeRepository
@@ -136,7 +137,9 @@
                 communalSceneInteractor = communalSceneInteractor,
             )
         `when`(userTracker.userHandle).thenReturn(UserHandle.OWNER)
+        `when`(communalSceneInteractor.isCommunalVisible).thenReturn(MutableStateFlow(false))
         `when`(communalSceneInteractor.isIdleOnCommunal).thenReturn(MutableStateFlow(false))
+        `when`(communalSceneInteractor.isLaunchingWidget).thenReturn(MutableStateFlow(false))
     }
 
     @Test
@@ -335,6 +338,102 @@
             )
     }
 
+    @EnableFlags(Flags.FLAG_COMMUNAL_HUB)
+    @Test
+    fun startPendingIntentDismissingKeyguard_transitionAnimator_animateCommunal() {
+        val parent = FrameLayout(context)
+        val view =
+            object : View(context), LaunchableView {
+                override fun setShouldBlockVisibilityChanges(block: Boolean) {}
+            }
+        parent.addView(view)
+        val controller = ActivityTransitionAnimator.Controller.fromView(view)
+        val pendingIntent = mock(PendingIntent::class.java)
+        `when`(pendingIntent.isActivity).thenReturn(true)
+        `when`(keyguardStateController.isShowing).thenReturn(true)
+        `when`(keyguardStateController.isOccluded).thenReturn(true)
+        `when`(communalSceneInteractor.isCommunalVisible).thenReturn(MutableStateFlow(true))
+        `when`(communalSceneInteractor.isLaunchingWidget).thenReturn(MutableStateFlow(true))
+        `when`(activityIntentHelper.wouldPendingLaunchResolverActivity(eq(pendingIntent), anyInt()))
+            .thenReturn(false)
+        `when`(activityIntentHelper.wouldPendingShowOverLockscreen(eq(pendingIntent), anyInt()))
+            .thenReturn(false)
+
+        underTest.startPendingIntentDismissingKeyguard(
+            intent = pendingIntent,
+            dismissShade = false,
+            animationController = controller,
+            showOverLockscreen = true,
+            skipLockscreenChecks = false
+        )
+        mainExecutor.runAllReady()
+
+        val actionCaptor = argumentCaptor<OnDismissAction>()
+        verify(statusBarKeyguardViewManager)
+            .dismissWithAction(actionCaptor.capture(), eq(null), anyBoolean(), eq(null))
+        actionCaptor.firstValue.onDismiss()
+        mainExecutor.runAllReady()
+
+        verify(activityTransitionAnimator)
+            .startPendingIntentWithAnimation(
+                nullable(ActivityTransitionAnimator.Controller::class.java),
+                eq(true),
+                nullable(String::class.java),
+                eq(false),
+                any(),
+            )
+    }
+
+    @DisableFlags(Flags.FLAG_COMMUNAL_HUB)
+    @Test
+    fun startPendingIntentDismissingKeyguard_transitionAnimator_doNotAnimateCommunal() {
+        val parent = FrameLayout(context)
+        val view =
+            object : View(context), LaunchableView {
+                override fun setShouldBlockVisibilityChanges(block: Boolean) {}
+            }
+        parent.addView(view)
+        val controller = ActivityTransitionAnimator.Controller.fromView(view)
+        val pendingIntent = mock(PendingIntent::class.java)
+        `when`(pendingIntent.isActivity).thenReturn(true)
+        `when`(keyguardStateController.isShowing).thenReturn(true)
+        `when`(keyguardStateController.isOccluded).thenReturn(true)
+        `when`(communalSceneInteractor.isCommunalVisible).thenReturn(MutableStateFlow(true))
+        `when`(communalSceneInteractor.isLaunchingWidget).thenReturn(MutableStateFlow(true))
+        `when`(activityIntentHelper.wouldPendingLaunchResolverActivity(eq(pendingIntent), anyInt()))
+            .thenReturn(false)
+        `when`(activityIntentHelper.wouldPendingShowOverLockscreen(eq(pendingIntent), anyInt()))
+            .thenReturn(false)
+
+        underTest.startPendingIntentDismissingKeyguard(
+            intent = pendingIntent,
+            dismissShade = false,
+            animationController = controller,
+            showOverLockscreen = true,
+            skipLockscreenChecks = false
+        )
+        mainExecutor.runAllReady()
+
+        val actionCaptor = argumentCaptor<OnDismissAction>()
+        verify(statusBarKeyguardViewManager)
+            .dismissWithAction(actionCaptor.capture(), eq(null), anyBoolean(), eq(null))
+        actionCaptor.firstValue.onDismiss()
+        mainExecutor.runAllReady()
+
+        val runnableCaptor = argumentCaptor<Runnable>()
+        verify(statusBarKeyguardViewManager).addAfterKeyguardGoneRunnable(runnableCaptor.capture())
+        runnableCaptor.firstValue.run()
+
+        verify(activityTransitionAnimator)
+            .startPendingIntentWithAnimation(
+                nullable(ActivityTransitionAnimator.Controller::class.java),
+                eq(false),
+                nullable(String::class.java),
+                eq(false),
+                any(),
+            )
+    }
+
     @Test
     fun startActivity_noUserHandleProvided_getUserHandle() {
         val intent = mock(Intent::class.java)
diff --git a/packages/SystemUI/res/values/config.xml b/packages/SystemUI/res/values/config.xml
index 7f7e634..30f23bf 100644
--- a/packages/SystemUI/res/values/config.xml
+++ b/packages/SystemUI/res/values/config.xml
@@ -287,7 +287,8 @@
     <integer name="doze_small_icon_alpha">222</integer><!-- 87% of 0xff -->
 
     <!-- Doze: Table that translates sensor values from the doze_brightness_sensor_type sensor
-               to brightness values; -1 means keeping the current brightness. -->
+               to brightness values in the integer scale [1, 255]; -1 means keeping the current
+               brightness. -->
     <integer-array name="config_doze_brightness_sensor_to_brightness">
         <item>-1</item> <!-- 0: OFF -->
         <item>2</item> <!-- 1: NIGHT -->
diff --git a/packages/SystemUI/shared/src/com/android/systemui/shared/system/QuickStepContract.java b/packages/SystemUI/shared/src/com/android/systemui/shared/system/QuickStepContract.java
index 4ef1f93..484e758 100644
--- a/packages/SystemUI/shared/src/com/android/systemui/shared/system/QuickStepContract.java
+++ b/packages/SystemUI/shared/src/com/android/systemui/shared/system/QuickStepContract.java
@@ -124,8 +124,6 @@
     public static final long SYSUI_STATE_SHORTCUT_HELPER_SHOWING = 1L << 32;
     // Touchpad gestures are disabled
     public static final long SYSUI_STATE_TOUCHPAD_GESTURES_DISABLED = 1L << 33;
-    // PiP animation is running
-    public static final long SYSUI_STATE_DISABLE_GESTURE_PIP_ANIMATING = 1L << 34;
     // Communal hub is showing
     public static final long SYSUI_STATE_COMMUNAL_HUB_SHOWING = 1L << 35;
 
@@ -177,7 +175,6 @@
             SYSUI_STATE_STATUS_BAR_KEYGUARD_GOING_AWAY,
             SYSUI_STATE_SHORTCUT_HELPER_SHOWING,
             SYSUI_STATE_TOUCHPAD_GESTURES_DISABLED,
-            SYSUI_STATE_DISABLE_GESTURE_PIP_ANIMATING,
             SYSUI_STATE_COMMUNAL_HUB_SHOWING,
     })
     public @interface SystemUiStateFlags {}
@@ -283,9 +280,6 @@
         if ((flags & SYSUI_STATE_TOUCHPAD_GESTURES_DISABLED) != 0) {
             str.add("touchpad_gestures_disabled");
         }
-        if ((flags & SYSUI_STATE_DISABLE_GESTURE_PIP_ANIMATING) != 0) {
-            str.add("disable_gesture_pip_animating");
-        }
         if ((flags & SYSUI_STATE_COMMUNAL_HUB_SHOWING) != 0) {
             str.add("communal_hub_showing");
         }
diff --git a/packages/SystemUI/src/com/android/systemui/communal/CommunalSceneStartable.kt b/packages/SystemUI/src/com/android/systemui/communal/CommunalSceneStartable.kt
index bde6f42..6b58c07 100644
--- a/packages/SystemUI/src/com/android/systemui/communal/CommunalSceneStartable.kt
+++ b/packages/SystemUI/src/com/android/systemui/communal/CommunalSceneStartable.kt
@@ -105,7 +105,13 @@
             .mapLatest(::determineSceneAfterTransition)
             .filterNotNull()
             .onEach { (nextScene, nextTransition) ->
-                communalSceneInteractor.changeScene(nextScene, nextTransition)
+                if (!communalSceneInteractor.isLaunchingWidget.value) {
+                    // When launching a widget, we don't want to animate the scene change or the
+                    // Communal Hub will reveal the wallpaper even though it shouldn't. Instead we
+                    // snap to the new scene as part of the launch animation, once the activity
+                    // launch is done, so we don't change scene here.
+                    communalSceneInteractor.changeScene(nextScene, nextTransition)
+                }
             }
             .launchIn(applicationScope)
 
diff --git a/packages/SystemUI/src/com/android/systemui/communal/data/repository/CommunalSettingsRepository.kt b/packages/SystemUI/src/com/android/systemui/communal/data/repository/CommunalSettingsRepository.kt
index e3ef6bb..748c4fa 100644
--- a/packages/SystemUI/src/com/android/systemui/communal/data/repository/CommunalSettingsRepository.kt
+++ b/packages/SystemUI/src/com/android/systemui/communal/data/repository/CommunalSettingsRepository.kt
@@ -20,6 +20,7 @@
 import android.app.admin.DevicePolicyManager.KEYGUARD_DISABLE_WIDGETS_ALL
 import android.content.IntentFilter
 import android.content.pm.UserInfo
+import android.os.UserHandle
 import android.provider.Settings
 import com.android.systemui.Flags.communalHub
 import com.android.systemui.broadcast.BroadcastDispatcher
@@ -102,7 +103,10 @@
             .broadcastFlow(
                 filter =
                     IntentFilter(DevicePolicyManager.ACTION_DEVICE_POLICY_MANAGER_STATE_CHANGED),
-                user = user.userHandle
+                // In COPE management mode, the restriction from the managed profile may
+                // propagate to the main profile. Therefore listen to this broadcast across
+                // all users and update the state each time it changes.
+                user = UserHandle.ALL,
             )
             .emitOnStart()
             .map { devicePolicyManager.areKeyguardWidgetsAllowed(user.id) }
diff --git a/packages/SystemUI/src/com/android/systemui/communal/domain/interactor/CommunalSceneInteractor.kt b/packages/SystemUI/src/com/android/systemui/communal/domain/interactor/CommunalSceneInteractor.kt
index fd540c4..122f9647 100644
--- a/packages/SystemUI/src/com/android/systemui/communal/domain/interactor/CommunalSceneInteractor.kt
+++ b/packages/SystemUI/src/com/android/systemui/communal/domain/interactor/CommunalSceneInteractor.kt
@@ -48,6 +48,15 @@
     @Application private val applicationScope: CoroutineScope,
     private val communalSceneRepository: CommunalSceneRepository,
 ) {
+    val _isLaunchingWidget = MutableStateFlow(false)
+
+    /** Whether a widget launch is currently in progress. */
+    val isLaunchingWidget: StateFlow<Boolean> = _isLaunchingWidget.asStateFlow()
+
+    fun setIsLaunchingWidget(launching: Boolean) {
+        _isLaunchingWidget.value = launching
+    }
+
     /**
      * Asks for an asynchronous scene witch to [newScene], which will use the corresponding
      * installed transition or the one specified by [transitionKey], if provided.
diff --git a/packages/SystemUI/src/com/android/systemui/communal/smartspace/SmartspaceInteractionHandler.kt b/packages/SystemUI/src/com/android/systemui/communal/smartspace/SmartspaceInteractionHandler.kt
index a88b777..4e3d3ff 100644
--- a/packages/SystemUI/src/com/android/systemui/communal/smartspace/SmartspaceInteractionHandler.kt
+++ b/packages/SystemUI/src/com/android/systemui/communal/smartspace/SmartspaceInteractionHandler.kt
@@ -22,21 +22,25 @@
 import android.view.View
 import android.widget.RemoteViews
 import com.android.systemui.animation.ActivityTransitionAnimator
+import com.android.systemui.communal.domain.interactor.CommunalSceneInteractor
 import com.android.systemui.communal.util.InteractionHandlerDelegate
 import com.android.systemui.communal.widgets.SmartspaceAppWidgetHostView
 import com.android.systemui.plugins.ActivityStarter
 import javax.inject.Inject
 
-/**
- * Handles interactions on smartspace elements on the hub.
- */
-class SmartspaceInteractionHandler @Inject constructor(
+/** Handles interactions on smartspace elements on the hub. */
+class SmartspaceInteractionHandler
+@Inject
+constructor(
     private val activityStarter: ActivityStarter,
+    communalSceneInteractor: CommunalSceneInteractor,
 ) : RemoteViews.InteractionHandler {
-    private val delegate = InteractionHandlerDelegate(
-        findViewToAnimate = { view -> view is SmartspaceAppWidgetHostView },
-        intentStarter = this::startIntent,
-    )
+    private val delegate =
+        InteractionHandlerDelegate(
+            communalSceneInteractor,
+            findViewToAnimate = { view -> view is SmartspaceAppWidgetHostView },
+            intentStarter = this::startIntent,
+        )
 
     override fun onInteraction(
         view: View,
diff --git a/packages/SystemUI/src/com/android/systemui/communal/util/InteractionHandlerDelegate.kt b/packages/SystemUI/src/com/android/systemui/communal/util/InteractionHandlerDelegate.kt
index 40b182d..51a5fcd 100644
--- a/packages/SystemUI/src/com/android/systemui/communal/util/InteractionHandlerDelegate.kt
+++ b/packages/SystemUI/src/com/android/systemui/communal/util/InteractionHandlerDelegate.kt
@@ -24,17 +24,17 @@
 import androidx.core.util.component1
 import androidx.core.util.component2
 import com.android.systemui.animation.ActivityTransitionAnimator
-
+import com.android.systemui.communal.domain.interactor.CommunalSceneInteractor
+import com.android.systemui.communal.widgets.CommunalTransitionAnimatorController
 
 /** A delegate that can be used to launch activities from [RemoteViews] */
 class InteractionHandlerDelegate(
+    private val communalSceneInteractor: CommunalSceneInteractor,
     private val findViewToAnimate: (View) -> Boolean,
     private val intentStarter: IntentStarter,
 ) : RemoteViews.InteractionHandler {
 
-    /**
-     * Responsible for starting the pending intent for launching activities.
-     */
+    /** Responsible for starting the pending intent for launching activities. */
     fun interface IntentStarter {
         fun startPendingIntent(
             intent: PendingIntent,
@@ -57,7 +57,10 @@
                 // activities.
                 val hostView = getNearestParent(view)
                 val animationController =
-                    hostView?.let(ActivityTransitionAnimator.Controller::fromView)
+                    hostView?.let(ActivityTransitionAnimator.Controller::fromView)?.let {
+                        communalSceneInteractor.setIsLaunchingWidget(true)
+                        CommunalTransitionAnimatorController(it, communalSceneInteractor)
+                    }
                 val (fillInIntent, activityOptions) = launchOptions
                 intentStarter.startPendingIntent(
                     pendingIntent,
@@ -66,7 +69,6 @@
                     animationController
                 )
             }
-
             else -> RemoteViews.startPendingIntent(view, pendingIntent, launchOptions)
         }
     }
diff --git a/packages/SystemUI/src/com/android/systemui/communal/widgets/CommunalTransitionAnimatorController.kt b/packages/SystemUI/src/com/android/systemui/communal/widgets/CommunalTransitionAnimatorController.kt
new file mode 100644
index 0000000..4efaf87
--- /dev/null
+++ b/packages/SystemUI/src/com/android/systemui/communal/widgets/CommunalTransitionAnimatorController.kt
@@ -0,0 +1,50 @@
+/*
+ * 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.communal.widgets
+
+import com.android.systemui.animation.ActivityTransitionAnimator
+import com.android.systemui.animation.DelegateTransitionAnimatorController
+import com.android.systemui.communal.domain.interactor.CommunalSceneInteractor
+import com.android.systemui.communal.shared.model.CommunalScenes
+
+/**
+ * An [ActivityTransitionAnimator.Controller] that takes care of updating the state of the Communal
+ * Hub at the right time.
+ */
+class CommunalTransitionAnimatorController(
+    delegate: ActivityTransitionAnimator.Controller,
+    private val communalSceneInteractor: CommunalSceneInteractor,
+) : DelegateTransitionAnimatorController(delegate) {
+    override fun onIntentStarted(willAnimate: Boolean) {
+        if (!willAnimate) {
+            // Other callbacks won't happen, so reset the state here.
+            communalSceneInteractor.setIsLaunchingWidget(false)
+        }
+        delegate.onIntentStarted(willAnimate)
+    }
+
+    override fun onTransitionAnimationCancelled(newKeyguardOccludedState: Boolean?) {
+        communalSceneInteractor.setIsLaunchingWidget(false)
+        delegate.onTransitionAnimationCancelled(newKeyguardOccludedState)
+    }
+
+    override fun onTransitionAnimationEnd(isExpandingFullyAbove: Boolean) {
+        communalSceneInteractor.snapToScene(CommunalScenes.Blank)
+        communalSceneInteractor.setIsLaunchingWidget(false)
+        delegate.onTransitionAnimationEnd(isExpandingFullyAbove)
+    }
+}
diff --git a/packages/SystemUI/src/com/android/systemui/communal/widgets/WidgetInteractionHandler.kt b/packages/SystemUI/src/com/android/systemui/communal/widgets/WidgetInteractionHandler.kt
index 72f9180..519903e 100644
--- a/packages/SystemUI/src/com/android/systemui/communal/widgets/WidgetInteractionHandler.kt
+++ b/packages/SystemUI/src/com/android/systemui/communal/widgets/WidgetInteractionHandler.kt
@@ -22,6 +22,7 @@
 import android.view.View
 import android.widget.RemoteViews
 import com.android.systemui.animation.ActivityTransitionAnimator
+import com.android.systemui.communal.domain.interactor.CommunalSceneInteractor
 import com.android.systemui.communal.util.InteractionHandlerDelegate
 import com.android.systemui.dagger.SysUISingleton
 import com.android.systemui.plugins.ActivityStarter
@@ -32,10 +33,12 @@
 @Inject
 constructor(
     private val activityStarter: ActivityStarter,
+    private val communalSceneInteractor: CommunalSceneInteractor
 ) : RemoteViews.InteractionHandler {
 
     private val delegate =
         InteractionHandlerDelegate(
+            communalSceneInteractor,
             findViewToAnimate = { view -> view is CommunalAppWidgetHostView },
             intentStarter = this::startIntent,
         )
diff --git a/packages/SystemUI/src/com/android/systemui/doze/DozeSensors.java b/packages/SystemUI/src/com/android/systemui/doze/DozeSensors.java
index 7ae8409..e07b5c2 100644
--- a/packages/SystemUI/src/com/android/systemui/doze/DozeSensors.java
+++ b/packages/SystemUI/src/com/android/systemui/doze/DozeSensors.java
@@ -48,6 +48,7 @@
 import com.android.internal.logging.UiEvent;
 import com.android.internal.logging.UiEventLogger;
 import com.android.internal.logging.UiEventLoggerImpl;
+import com.android.systemui.Flags;
 import com.android.systemui.biometrics.AuthController;
 import com.android.systemui.plugins.SensorManagerPlugin;
 import com.android.systemui.statusbar.phone.DozeParameters;
@@ -426,7 +427,11 @@
         }
 
         if (!anyListening) {
-            mSecureSettings.unregisterContentObserverSync(mSettingsObserver);
+            if (Flags.registerContentObserversAsync()) {
+                mSecureSettings.unregisterContentObserverAsync(mSettingsObserver);
+            } else {
+                mSecureSettings.unregisterContentObserverSync(mSettingsObserver);
+            }
         } else if (!mSettingRegistered) {
             for (TriggerSensor s : mTriggerSensors) {
                 s.registerSettingsObserver(mSettingsObserver);
@@ -750,8 +755,13 @@
 
         public void registerSettingsObserver(ContentObserver settingsObserver) {
             if (mConfigured && !TextUtils.isEmpty(mSetting)) {
-                mSecureSettings.registerContentObserverForUserSync(
-                        mSetting, mSettingsObserver, UserHandle.USER_ALL);
+                if (Flags.registerContentObserversAsync()) {
+                    mSecureSettings.registerContentObserverForUserAsync(
+                            mSetting, mSettingsObserver, UserHandle.USER_ALL);
+                } else {
+                    mSecureSettings.registerContentObserverForUserSync(
+                            mSetting, mSettingsObserver, UserHandle.USER_ALL);
+                }
             }
         }
 
diff --git a/packages/SystemUI/src/com/android/systemui/education/dagger/ContextualEducationModule.kt b/packages/SystemUI/src/com/android/systemui/education/dagger/ContextualEducationModule.kt
index e2bcb6b..53b9261 100644
--- a/packages/SystemUI/src/com/android/systemui/education/dagger/ContextualEducationModule.kt
+++ b/packages/SystemUI/src/com/android/systemui/education/dagger/ContextualEducationModule.kt
@@ -17,8 +17,12 @@
 package com.android.systemui.education.dagger
 
 import com.android.systemui.dagger.qualifiers.Background
+import com.android.systemui.education.data.repository.ContextualEducationRepository
+import com.android.systemui.education.data.repository.ContextualEducationRepositoryImpl
+import dagger.Binds
 import dagger.Module
 import dagger.Provides
+import java.time.Clock
 import javax.inject.Qualifier
 import kotlinx.coroutines.CoroutineDispatcher
 import kotlinx.coroutines.CoroutineScope
@@ -26,8 +30,15 @@
 
 @Module
 interface ContextualEducationModule {
+    @Binds
+    fun bindContextualEducationRepository(
+        impl: ContextualEducationRepositoryImpl
+    ): ContextualEducationRepository
+
     @Qualifier annotation class EduDataStoreScope
 
+    @Qualifier annotation class EduClock
+
     companion object {
         @EduDataStoreScope
         @Provides
@@ -36,5 +47,11 @@
         ): CoroutineScope {
             return CoroutineScope(bgDispatcher + SupervisorJob())
         }
+
+        @EduClock
+        @Provides
+        fun provideEduClock(): Clock {
+            return Clock.systemUTC()
+        }
     }
 }
diff --git a/packages/SystemUI/src/com/android/systemui/education/data/model/GestureEduModel.kt b/packages/SystemUI/src/com/android/systemui/education/data/model/GestureEduModel.kt
index af35e8c..9f6cb4d 100644
--- a/packages/SystemUI/src/com/android/systemui/education/data/model/GestureEduModel.kt
+++ b/packages/SystemUI/src/com/android/systemui/education/data/model/GestureEduModel.kt
@@ -16,11 +16,14 @@
 
 package com.android.systemui.education.data.model
 
+import java.time.Instant
+
 /**
  * Model to store education data related to each gesture (e.g. Back, Home, All Apps, Overview). Each
  * gesture stores its own model separately.
  */
 data class GestureEduModel(
-    val signalCount: Int,
-    val educationShownCount: Int,
+    val signalCount: Int = 0,
+    val educationShownCount: Int = 0,
+    val lastShortcutTriggeredTime: Instant? = null,
 )
diff --git a/packages/SystemUI/src/com/android/systemui/education/data/repository/ContextualEducationRepository.kt b/packages/SystemUI/src/com/android/systemui/education/data/repository/ContextualEducationRepository.kt
index c9dd833..248b7a5 100644
--- a/packages/SystemUI/src/com/android/systemui/education/data/repository/ContextualEducationRepository.kt
+++ b/packages/SystemUI/src/com/android/systemui/education/data/repository/ContextualEducationRepository.kt
@@ -17,26 +17,50 @@
 package com.android.systemui.education.data.repository
 
 import com.android.systemui.dagger.SysUISingleton
+import com.android.systemui.education.dagger.ContextualEducationModule.EduClock
+import com.android.systemui.education.data.model.GestureEduModel
 import com.android.systemui.shared.education.GestureType
+import java.time.Clock
 import javax.inject.Inject
+import kotlinx.coroutines.flow.Flow
+
+/** Encapsulates the functions of ContextualEducationRepository. */
+interface ContextualEducationRepository {
+    fun setUser(userId: Int)
+
+    fun readGestureEduModelFlow(gestureType: GestureType): Flow<GestureEduModel>
+
+    suspend fun incrementSignalCount(gestureType: GestureType)
+
+    suspend fun updateShortcutTriggerTime(gestureType: GestureType)
+}
 
 /**
  * Provide methods to read and update on field level and allow setting datastore when user is
  * changed
  */
 @SysUISingleton
-class ContextualEducationRepository
+class ContextualEducationRepositoryImpl
 @Inject
-constructor(private val userEduRepository: UserContextualEducationRepository) {
+constructor(
+    @EduClock private val clock: Clock,
+    private val userEduRepository: UserContextualEducationRepository
+) : ContextualEducationRepository {
     /** To change data store when user is changed */
-    fun setUser(userId: Int) = userEduRepository.setUser(userId)
+    override fun setUser(userId: Int) = userEduRepository.setUser(userId)
 
-    fun readGestureEduModelFlow(gestureType: GestureType) =
+    override fun readGestureEduModelFlow(gestureType: GestureType) =
         userEduRepository.readGestureEduModelFlow(gestureType)
 
-    suspend fun incrementSignalCount(gestureType: GestureType) {
+    override suspend fun incrementSignalCount(gestureType: GestureType) {
         userEduRepository.updateGestureEduModel(gestureType) {
             it.copy(signalCount = it.signalCount + 1)
         }
     }
+
+    override suspend fun updateShortcutTriggerTime(gestureType: GestureType) {
+        userEduRepository.updateGestureEduModel(gestureType) {
+            it.copy(lastShortcutTriggeredTime = clock.instant())
+        }
+    }
 }
diff --git a/packages/SystemUI/src/com/android/systemui/education/data/repository/UserContextualEducationRepository.kt b/packages/SystemUI/src/com/android/systemui/education/data/repository/UserContextualEducationRepository.kt
index 229511a..b7fc773 100644
--- a/packages/SystemUI/src/com/android/systemui/education/data/repository/UserContextualEducationRepository.kt
+++ b/packages/SystemUI/src/com/android/systemui/education/data/repository/UserContextualEducationRepository.kt
@@ -18,16 +18,19 @@
 
 import android.content.Context
 import androidx.datastore.core.DataStore
+import androidx.datastore.preferences.core.MutablePreferences
 import androidx.datastore.preferences.core.PreferenceDataStoreFactory
 import androidx.datastore.preferences.core.Preferences
 import androidx.datastore.preferences.core.edit
 import androidx.datastore.preferences.core.intPreferencesKey
+import androidx.datastore.preferences.core.longPreferencesKey
 import androidx.datastore.preferences.preferencesDataStoreFile
 import com.android.systemui.dagger.SysUISingleton
 import com.android.systemui.dagger.qualifiers.Application
 import com.android.systemui.education.dagger.ContextualEducationModule.EduDataStoreScope
 import com.android.systemui.education.data.model.GestureEduModel
 import com.android.systemui.shared.education.GestureType
+import java.time.Instant
 import javax.inject.Inject
 import javax.inject.Provider
 import kotlinx.coroutines.CoroutineScope
@@ -55,6 +58,7 @@
     companion object {
         const val SIGNAL_COUNT_SUFFIX = "_SIGNAL_COUNT"
         const val NUMBER_OF_EDU_SHOWN_SUFFIX = "_NUMBER_OF_EDU_SHOWN"
+        const val LAST_SHORTCUT_TRIGGERED_TIME_SUFFIX = "_LAST_SHORTCUT_TRIGGERED_TIME"
 
         const val DATASTORE_DIR = "education/USER%s_ContextualEducation"
     }
@@ -91,6 +95,10 @@
         return GestureEduModel(
             signalCount = preferences[getSignalCountKey(gestureType)] ?: 0,
             educationShownCount = preferences[getEducationShownCountKey(gestureType)] ?: 0,
+            lastShortcutTriggeredTime =
+                preferences[getLastShortcutTriggeredTimeKey(gestureType)]?.let {
+                    Instant.ofEpochMilli(it)
+                },
         )
     }
 
@@ -103,6 +111,11 @@
             val updatedModel = transform(currentModel)
             preferences[getSignalCountKey(gestureType)] = updatedModel.signalCount
             preferences[getEducationShownCountKey(gestureType)] = updatedModel.educationShownCount
+            updateTimeByInstant(
+                preferences,
+                updatedModel.lastShortcutTriggeredTime,
+                getLastShortcutTriggeredTimeKey(gestureType)
+            )
         }
     }
 
@@ -111,4 +124,19 @@
 
     private fun getEducationShownCountKey(gestureType: GestureType): Preferences.Key<Int> =
         intPreferencesKey(gestureType.name + NUMBER_OF_EDU_SHOWN_SUFFIX)
+
+    private fun getLastShortcutTriggeredTimeKey(gestureType: GestureType): Preferences.Key<Long> =
+        longPreferencesKey(gestureType.name + LAST_SHORTCUT_TRIGGERED_TIME_SUFFIX)
+
+    private fun updateTimeByInstant(
+        preferences: MutablePreferences,
+        instant: Instant?,
+        key: Preferences.Key<Long>
+    ) {
+        if (instant != null) {
+            preferences[key] = instant.toEpochMilli()
+        } else {
+            preferences.remove(key)
+        }
+    }
 }
diff --git a/packages/SystemUI/src/com/android/systemui/keyguard/ui/viewmodel/DreamingToAodTransitionViewModel.kt b/packages/SystemUI/src/com/android/systemui/keyguard/ui/viewmodel/DreamingToAodTransitionViewModel.kt
index 754ed6c..1ee0368 100644
--- a/packages/SystemUI/src/com/android/systemui/keyguard/ui/viewmodel/DreamingToAodTransitionViewModel.kt
+++ b/packages/SystemUI/src/com/android/systemui/keyguard/ui/viewmodel/DreamingToAodTransitionViewModel.kt
@@ -25,6 +25,7 @@
 import com.android.systemui.keyguard.ui.KeyguardTransitionAnimationFlow
 import com.android.systemui.keyguard.ui.transitions.DeviceEntryIconTransition
 import javax.inject.Inject
+import kotlin.time.Duration.Companion.milliseconds
 import kotlinx.coroutines.ExperimentalCoroutinesApi
 import kotlinx.coroutines.flow.Flow
 import kotlinx.coroutines.flow.emptyFlow
@@ -45,6 +46,13 @@
             edge = Edge.create(from = DREAMING, to = AOD),
         )
 
+    /** Lockscreen views alpha */
+    val lockscreenAlpha: Flow<Float> =
+        transitionAnimation.sharedFlow(
+            duration = 300.milliseconds,
+            onStep = { it },
+        )
+
     val deviceEntryBackgroundViewAlpha: Flow<Float> =
         transitionAnimation.immediatelyTransitionTo(0f)
 
diff --git a/packages/SystemUI/src/com/android/systemui/keyguard/ui/viewmodel/KeyguardRootViewModel.kt b/packages/SystemUI/src/com/android/systemui/keyguard/ui/viewmodel/KeyguardRootViewModel.kt
index 7c46807..350ceb4 100644
--- a/packages/SystemUI/src/com/android/systemui/keyguard/ui/viewmodel/KeyguardRootViewModel.kt
+++ b/packages/SystemUI/src/com/android/systemui/keyguard/ui/viewmodel/KeyguardRootViewModel.kt
@@ -91,8 +91,9 @@
     private val dozingToGoneTransitionViewModel: DozingToGoneTransitionViewModel,
     private val dozingToLockscreenTransitionViewModel: DozingToLockscreenTransitionViewModel,
     private val dozingToOccludedTransitionViewModel: DozingToOccludedTransitionViewModel,
-    private val dreamingToLockscreenTransitionViewModel: DreamingToLockscreenTransitionViewModel,
+    private val dreamingToAodTransitionViewModel: DreamingToAodTransitionViewModel,
     private val dreamingToGoneTransitionViewModel: DreamingToGoneTransitionViewModel,
+    private val dreamingToLockscreenTransitionViewModel: DreamingToLockscreenTransitionViewModel,
     private val glanceableHubToLockscreenTransitionViewModel:
         GlanceableHubToLockscreenTransitionViewModel,
     private val goneToAodTransitionViewModel: GoneToAodTransitionViewModel,
@@ -243,6 +244,7 @@
                         dozingToGoneTransitionViewModel.lockscreenAlpha(viewState),
                         dozingToLockscreenTransitionViewModel.lockscreenAlpha,
                         dozingToOccludedTransitionViewModel.lockscreenAlpha(viewState),
+                        dreamingToAodTransitionViewModel.lockscreenAlpha,
                         dreamingToGoneTransitionViewModel.lockscreenAlpha,
                         dreamingToLockscreenTransitionViewModel.lockscreenAlpha,
                         glanceableHubToLockscreenTransitionViewModel.keyguardAlpha,
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 3b337fc..4bfefda 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
@@ -17,6 +17,7 @@
 package com.android.systemui.keyguard.ui.viewmodel
 
 import android.content.res.Resources
+import com.android.compose.animation.scene.SceneKey
 import com.android.internal.annotations.VisibleForTesting
 import com.android.systemui.biometrics.AuthController
 import com.android.systemui.dagger.SysUISingleton
@@ -26,14 +27,17 @@
 import com.android.systemui.keyguard.shared.model.ClockSize
 import com.android.systemui.res.R
 import com.android.systemui.scene.domain.interactor.SceneContainerOcclusionInteractor
+import com.android.systemui.scene.shared.model.Scenes
 import com.android.systemui.shade.domain.interactor.ShadeInteractor
 import com.android.systemui.unfold.domain.interactor.UnfoldTransitionInteractor
 import javax.inject.Inject
 import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.flow.Flow
 import kotlinx.coroutines.flow.SharingStarted
 import kotlinx.coroutines.flow.StateFlow
 import kotlinx.coroutines.flow.combine
 import kotlinx.coroutines.flow.distinctUntilChanged
+import kotlinx.coroutines.flow.flowOf
 import kotlinx.coroutines.flow.map
 import kotlinx.coroutines.flow.stateIn
 
@@ -57,19 +61,6 @@
 
     val isShadeLayoutWide: StateFlow<Boolean> = shadeInteractor.isShadeLayoutWide
 
-    val areNotificationsVisible: StateFlow<Boolean> =
-        combine(
-                clockSize,
-                shadeInteractor.isShadeLayoutWide,
-            ) { clockSize, isShadeLayoutWide ->
-                clockSize == ClockSize.SMALL || isShadeLayoutWide
-            }
-            .stateIn(
-                scope = applicationScope,
-                started = SharingStarted.WhileSubscribed(),
-                initialValue = false,
-            )
-
     /** Amount of horizontal translation that should be applied to elements in the scene. */
     val unfoldTranslations: StateFlow<UnfoldTranslations> =
         combine(
@@ -97,6 +88,25 @@
                 initialValue = true,
             )
 
+    /**
+     * Returns a flow that indicates whether lockscreen notifications should be rendered in the
+     * given [sceneKey].
+     */
+    fun areNotificationsVisible(sceneKey: SceneKey): Flow<Boolean> {
+        // `Scenes.NotificationsShade` renders its own separate notifications stack, so when it's
+        // open we avoid rendering the lockscreen notifications stack.
+        if (sceneKey == Scenes.NotificationsShade) {
+            return flowOf(false)
+        }
+
+        return combine(
+            clockSize,
+            shadeInteractor.isShadeLayoutWide,
+        ) { clockSize, isShadeLayoutWide ->
+            clockSize == ClockSize.SMALL || isShadeLayoutWide
+        }
+    }
+
     fun getSmartSpacePaddingTop(resources: Resources): Int {
         return if (clockSize.value == ClockSize.LARGE) {
             resources.getDimensionPixelSize(R.dimen.keyguard_smartspace_top_offset) +
diff --git a/packages/SystemUI/src/com/android/systemui/qs/ReduceBrightColorsControllerImpl.java b/packages/SystemUI/src/com/android/systemui/qs/ReduceBrightColorsControllerImpl.java
index d68b22b..4d6cf78 100644
--- a/packages/SystemUI/src/com/android/systemui/qs/ReduceBrightColorsControllerImpl.java
+++ b/packages/SystemUI/src/com/android/systemui/qs/ReduceBrightColorsControllerImpl.java
@@ -29,7 +29,6 @@
 
 import androidx.annotation.NonNull;
 
-import com.android.server.display.feature.flags.Flags;
 import com.android.systemui.dagger.SysUISingleton;
 import com.android.systemui.dagger.qualifiers.Background;
 import com.android.systemui.settings.UserTracker;
@@ -81,10 +80,17 @@
                 mAvailable = true;
                 synchronized (mListeners) {
                     if (mListeners.size() > 0) {
-                        mSecureSettings.unregisterContentObserverSync(mContentObserver);
-                        mSecureSettings.registerContentObserverForUserSync(
-                                Settings.Secure.REDUCE_BRIGHT_COLORS_ACTIVATED,
-                                false, mContentObserver, newUser);
+                        if (com.android.systemui.Flags.registerContentObserversAsync()) {
+                            mSecureSettings.unregisterContentObserverAsync(mContentObserver);
+                            mSecureSettings.registerContentObserverForUserAsync(
+                                    Settings.Secure.REDUCE_BRIGHT_COLORS_ACTIVATED,
+                                    false, mContentObserver, newUser);
+                        } else {
+                            mSecureSettings.unregisterContentObserverSync(mContentObserver);
+                            mSecureSettings.registerContentObserverForUserSync(
+                                    Settings.Secure.REDUCE_BRIGHT_COLORS_ACTIVATED,
+                                    false, mContentObserver, newUser);
+                        }
                     }
                 }
             }
@@ -98,9 +104,15 @@
             if (!mListeners.contains(listener)) {
                 mListeners.add(listener);
                 if (mListeners.size() == 1) {
-                    mSecureSettings.registerContentObserverForUserSync(
-                            Settings.Secure.REDUCE_BRIGHT_COLORS_ACTIVATED,
-                            false, mContentObserver, mUserTracker.getUserId());
+                    if (com.android.systemui.Flags.registerContentObserversAsync()) {
+                        mSecureSettings.registerContentObserverForUserAsync(
+                                Settings.Secure.REDUCE_BRIGHT_COLORS_ACTIVATED,
+                                false, mContentObserver, mUserTracker.getUserId());
+                    } else {
+                        mSecureSettings.registerContentObserverForUserSync(
+                                Settings.Secure.REDUCE_BRIGHT_COLORS_ACTIVATED,
+                                false, mContentObserver, mUserTracker.getUserId());
+                    }
                 }
             }
         }
@@ -110,7 +122,11 @@
     public void removeCallback(@androidx.annotation.NonNull Listener listener) {
         synchronized (mListeners) {
             if (mListeners.remove(listener) && mListeners.size() == 0) {
-                mSecureSettings.unregisterContentObserverSync(mContentObserver);
+                if (com.android.systemui.Flags.registerContentObserversAsync()) {
+                    mSecureSettings.unregisterContentObserverAsync(mContentObserver);
+                } else {
+                    mSecureSettings.unregisterContentObserverSync(mContentObserver);
+                }
             }
         }
     }
@@ -139,7 +155,8 @@
 
     @Override
     public boolean isInUpgradeMode(Resources resources) {
-        return Flags.evenDimmer() && resources.getBoolean(
+        return com.android.server.display.feature.flags.Flags.evenDimmer()
+            && resources.getBoolean(
                 com.android.internal.R.bool.config_evenDimmerEnabled);
     }
 
diff --git a/packages/SystemUI/src/com/android/systemui/settings/brightness/BrightnessController.java b/packages/SystemUI/src/com/android/systemui/settings/brightness/BrightnessController.java
index 49810762..8e53949 100644
--- a/packages/SystemUI/src/com/android/systemui/settings/brightness/BrightnessController.java
+++ b/packages/SystemUI/src/com/android/systemui/settings/brightness/BrightnessController.java
@@ -137,14 +137,24 @@
         public void startObserving() {
             if (!mObserving) {
                 mObserving = true;
-                mSecureSettings.registerContentObserverForUserSync(
-                        BRIGHTNESS_MODE_URI,
-                        false, this, UserHandle.USER_ALL);
+                if (Flags.registerContentObserversAsync()) {
+                    mSecureSettings.registerContentObserverForUserAsync(
+                            BRIGHTNESS_MODE_URI,
+                            false, this, UserHandle.USER_ALL);
+                } else {
+                    mSecureSettings.registerContentObserverForUserSync(
+                            BRIGHTNESS_MODE_URI,
+                            false, this, UserHandle.USER_ALL);
+                }
             }
         }
 
         public void stopObserving() {
-            mSecureSettings.unregisterContentObserverSync(this);
+            if (Flags.registerContentObserversAsync()) {
+                mSecureSettings.unregisterContentObserverAsync(this);
+            } else {
+                mSecureSettings.unregisterContentObserverSync(this);
+            }
             mObserving = false;
         }
 
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/KeyboardShortcuts.java b/packages/SystemUI/src/com/android/systemui/statusbar/KeyboardShortcuts.java
index da89eea..766c391 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/KeyboardShortcuts.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/KeyboardShortcuts.java
@@ -526,7 +526,7 @@
                 keyboardShortcutInfoAppItems.add(new KeyboardShortcutInfo(
                         mContext.getString(R.string.keyboard_shortcut_group_applications_assist),
                         assistIcon,
-                        KeyEvent.KEYCODE_UNKNOWN,
+                        KeyEvent.KEYCODE_A,
                         KeyEvent.META_META_ON));
             }
         }
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/phone/KeyguardBypassController.kt b/packages/SystemUI/src/com/android/systemui/statusbar/phone/KeyguardBypassController.kt
index 97791ac..316e1f1 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/phone/KeyguardBypassController.kt
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/phone/KeyguardBypassController.kt
@@ -22,6 +22,7 @@
 import android.hardware.biometrics.BiometricSourceType
 import android.provider.Settings
 import com.android.app.tracing.ListenersTracing.forEachTraced
+import com.android.app.tracing.coroutines.launch
 import com.android.systemui.Dumpable
 import com.android.systemui.dagger.SysUISingleton
 import com.android.systemui.dagger.qualifiers.Application
@@ -159,7 +160,7 @@
     }
 
     fun listenForQsExpandedChange() =
-        applicationScope.launch {
+        applicationScope.launch("listenForQsExpandedChange") {
             shadeInteractorLazy.get().qsExpansion.map { it > 0f }.distinctUntilChanged()
                 .collect { isQsExpanded ->
                     val changed = qsExpanded != isQsExpanded
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/phone/LegacyActivityStarterInternalImpl.kt b/packages/SystemUI/src/com/android/systemui/statusbar/phone/LegacyActivityStarterInternalImpl.kt
index bcb613f..de76b10d 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/phone/LegacyActivityStarterInternalImpl.kt
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/phone/LegacyActivityStarterInternalImpl.kt
@@ -276,10 +276,11 @@
                 statusBarController
             }
 
+        val isCommunalDismissLaunch = isCommunalWidgetLaunch() && !actuallyShowOverLockscreen
         // If we animate, don't collapse the shade and defer the keyguard dismiss (in case we
         // run the animation on the keyguard). The animation will take care of (instantly)
         // collapsing the shade and hiding the keyguard once it is done.
-        val collapse = dismissShade && !animate
+        val collapse = (dismissShade || isCommunalDismissLaunch) && !animate
         val runnable = Runnable {
             try {
                 activityTransitionAnimator.startPendingIntentWithAnimation(
@@ -338,8 +339,9 @@
             postOnUiThread(delay = 0) {
                 executeRunnableDismissingKeyguard(
                     runnable = runnable,
-                    afterKeyguardGone = willLaunchResolverActivity,
                     dismissShade = collapse,
+                    afterKeyguardGone = willLaunchResolverActivity,
+                    deferred = isCommunalDismissLaunch,
                     willAnimateOnKeyguard = animate,
                     customMessage = customMessage,
                 )
@@ -461,7 +463,9 @@
                 override fun onDismiss(): Boolean {
                     if (runnable != null) {
                         if (
-                            keyguardStateController.isShowing && keyguardStateController.isOccluded
+                            keyguardStateController.isShowing &&
+                                keyguardStateController.isOccluded &&
+                                !isCommunalWidgetLaunch()
                         ) {
                             statusBarKeyguardViewManagerLazy
                                 .get()
@@ -473,17 +477,10 @@
                     if (dismissShade) {
                         shadeControllerLazy.get().collapseShadeForActivityStart()
                     }
-                    if (communalHub()) {
-                        communalSceneInteractor.changeSceneForActivityStartOnDismissKeyguard()
-                    }
                     return deferred
                 }
 
                 override fun willRunAnimationOnKeyguard(): Boolean {
-                    if (communalHub() && communalSceneInteractor.isIdleOnCommunal.value) {
-                        // Override to false when launching activity over the hub that requires auth
-                        return false
-                    }
                     return willAnimateOnKeyguard
                 }
             }
@@ -639,7 +636,8 @@
         showOverLockscreen: Boolean,
     ): Boolean {
         // TODO(b/294418322): always support launch animations when occluded.
-        val ignoreOcclusion = showOverLockscreen && mediaLockscreenLaunchAnimation()
+        val ignoreOcclusion =
+            (showOverLockscreen && mediaLockscreenLaunchAnimation()) || isCommunalWidgetLaunch()
         if (keyguardStateController.isOccluded && !ignoreOcclusion) {
             return false
         }
@@ -659,6 +657,12 @@
         return shouldAnimateLaunch(isActivityIntent, false)
     }
 
+    private fun isCommunalWidgetLaunch(): Boolean {
+        return communalHub() &&
+            communalSceneInteractor.isCommunalVisible.value &&
+            communalSceneInteractor.isLaunchingWidget.value
+    }
+
     private fun postOnUiThread(delay: Int = 0, runnable: Runnable) {
         mainExecutor.executeDelayed(runnable, delay.toLong())
     }
diff --git a/packages/SystemUI/src/com/android/systemui/util/settings/UserSettingsProxy.kt b/packages/SystemUI/src/com/android/systemui/util/settings/UserSettingsProxy.kt
index 025354b..848a6e6 100644
--- a/packages/SystemUI/src/com/android/systemui/util/settings/UserSettingsProxy.kt
+++ b/packages/SystemUI/src/com/android/systemui/util/settings/UserSettingsProxy.kt
@@ -16,12 +16,12 @@
 package com.android.systemui.util.settings
 
 import android.annotation.UserIdInt
+import android.annotation.WorkerThread
 import android.content.ContentResolver
 import android.database.ContentObserver
 import android.net.Uri
 import android.os.UserHandle
 import android.provider.Settings.SettingNotFoundException
-import androidx.annotation.WorkerThread
 import com.android.app.tracing.TraceUtils.trace
 import com.android.systemui.settings.UserTracker
 import com.android.systemui.util.settings.SettingsProxy.Companion.parseFloat
@@ -67,6 +67,7 @@
         } else userTracker.userId
     }
 
+    @WorkerThread
     override fun registerContentObserverSync(uri: Uri, settingsObserver: ContentObserver) {
         registerContentObserverForUserSync(uri, settingsObserver, userId)
     }
@@ -83,6 +84,7 @@
         }
 
     /** Convenience wrapper around [ContentResolver.registerContentObserver].' */
+    @WorkerThread
     override fun registerContentObserverSync(
         uri: Uri,
         notifyForDescendants: Boolean,
@@ -120,6 +122,7 @@
      *
      * Implicitly calls [getUriFor] on the passed in name.
      */
+    @WorkerThread
     fun registerContentObserverForUserSync(
         name: String,
         settingsObserver: ContentObserver,
@@ -160,6 +163,7 @@
         }
 
     /** Convenience wrapper around [ContentResolver.registerContentObserver] */
+    @WorkerThread
     fun registerContentObserverForUserSync(
         uri: Uri,
         settingsObserver: ContentObserver,
@@ -222,6 +226,7 @@
      *
      * Implicitly calls [getUriFor] on the passed in name.
      */
+    @WorkerThread
     fun registerContentObserverForUserSync(
         name: String,
         notifyForDescendants: Boolean,
@@ -281,6 +286,7 @@
     }
 
     /** Convenience wrapper around [ContentResolver.registerContentObserver] */
+    @WorkerThread
     fun registerContentObserverForUserSync(
         uri: Uri,
         notifyForDescendants: Boolean,
diff --git a/packages/SystemUI/src/com/android/systemui/wmshell/WMShell.java b/packages/SystemUI/src/com/android/systemui/wmshell/WMShell.java
index 3f1ec85..ec9b5cf 100644
--- a/packages/SystemUI/src/com/android/systemui/wmshell/WMShell.java
+++ b/packages/SystemUI/src/com/android/systemui/wmshell/WMShell.java
@@ -20,9 +20,8 @@
 import static com.android.systemui.shared.system.QuickStepContract.SYSUI_STATE_BUBBLES_EXPANDED;
 import static com.android.systemui.shared.system.QuickStepContract.SYSUI_STATE_BUBBLES_MANAGE_MENU_EXPANDED;
 import static com.android.systemui.shared.system.QuickStepContract.SYSUI_STATE_DIALOG_SHOWING;
-import static com.android.systemui.shared.system.QuickStepContract.SYSUI_STATE_DISABLE_GESTURE_PIP_ANIMATING;
-import static com.android.systemui.shared.system.QuickStepContract.SYSUI_STATE_DISABLE_GESTURE_SPLIT_INVOCATION;
 import static com.android.systemui.shared.system.QuickStepContract.SYSUI_STATE_FREEFORM_ACTIVE_IN_DESKTOP_MODE;
+import static com.android.systemui.shared.system.QuickStepContract.SYSUI_STATE_DISABLE_GESTURE_SPLIT_INVOCATION;
 import static com.android.systemui.shared.system.QuickStepContract.SYSUI_STATE_NOTIFICATION_PANEL_EXPANDED;
 import static com.android.systemui.shared.system.QuickStepContract.SYSUI_STATE_ONE_HANDED_ACTIVE;
 import static com.android.systemui.shared.system.QuickStepContract.SYSUI_STATE_QUICK_SETTINGS_EXPANDED;
@@ -67,7 +66,6 @@
 import com.android.wm.shell.onehanded.OneHandedTransitionCallback;
 import com.android.wm.shell.onehanded.OneHandedUiEventLogger;
 import com.android.wm.shell.pip.Pip;
-import com.android.wm.shell.pip.PipTransitionController;
 import com.android.wm.shell.recents.RecentTasks;
 import com.android.wm.shell.splitscreen.SplitScreen;
 import com.android.wm.shell.sysui.ShellInterface;
@@ -251,25 +249,7 @@
                 pip.showPictureInPictureMenu();
             }
         });
-        pip.registerPipTransitionCallback(
-                new PipTransitionController.PipTransitionCallback() {
-                    @Override
-                    public void onPipTransitionStarted(int direction, Rect pipBounds) {
-                        mSysUiState.setFlag(SYSUI_STATE_DISABLE_GESTURE_PIP_ANIMATING, true)
-                                .commitUpdate(mDisplayTracker.getDefaultDisplayId());
-                    }
 
-                    @Override
-                    public void onPipTransitionFinished(int direction) {
-                        mSysUiState.setFlag(SYSUI_STATE_DISABLE_GESTURE_PIP_ANIMATING, false)
-                                .commitUpdate(mDisplayTracker.getDefaultDisplayId());
-                    }
-
-                    @Override
-                    public void onPipTransitionCanceled(int direction) {
-                        // No op.
-                    }
-                }, mSysUiMainExecutor);
         mSysUiState.addCallback(sysUiStateFlag -> {
             mIsSysUiStateValid = (sysUiStateFlag & INVALID_SYSUI_STATE_MASK) == 0;
             pip.onSystemUiStateChanged(mIsSysUiStateValid, sysUiStateFlag);
diff --git a/packages/SystemUI/tests/src/com/android/systemui/statusbar/phone/DozeParametersTest.java b/packages/SystemUI/tests/src/com/android/systemui/statusbar/phone/DozeParametersTest.java
index 10d07a0..5052a00 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/statusbar/phone/DozeParametersTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/statusbar/phone/DozeParametersTest.java
@@ -35,8 +35,8 @@
 import android.os.PowerManager;
 import android.provider.Settings;
 
-import androidx.test.ext.junit.runners.AndroidJUnit4;
 import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
 
 import com.android.keyguard.KeyguardUpdateMonitor;
 import com.android.systemui.SysuiTestCase;
@@ -53,6 +53,7 @@
 import com.android.systemui.unfold.FoldAodAnimationController;
 import com.android.systemui.unfold.SysUIUnfoldComponent;
 import com.android.systemui.util.settings.FakeSettings;
+import com.android.systemui.util.settings.SecureSettings;
 
 import org.junit.Assert;
 import org.junit.Before;
@@ -114,6 +115,7 @@
                 .thenReturn(mFoldAodAnimationController);
         when(mUserTracker.getUserId()).thenReturn(ActivityManager.getCurrentUser());
 
+        SecureSettings secureSettings = new FakeSettings();
         mDozeParameters = new DozeParameters(
             mContext,
             mHandler,
@@ -132,7 +134,7 @@
             mStatusBarStateController,
             mUserTracker,
             mDozeInteractor,
-            new FakeSettings()
+            secureSettings
         );
 
         verify(mBatteryController).addCallback(mBatteryStateChangeCallback.capture());
diff --git a/packages/SystemUI/tests/utils/src/com/android/systemui/education/data/repository/ContextualEducationRepositoryKosmos.kt b/packages/SystemUI/tests/utils/src/com/android/systemui/education/data/repository/ContextualEducationRepositoryKosmos.kt
new file mode 100644
index 0000000..f73f43d
--- /dev/null
+++ b/packages/SystemUI/tests/utils/src/com/android/systemui/education/data/repository/ContextualEducationRepositoryKosmos.kt
@@ -0,0 +1,23 @@
+/*
+ * Copyright 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.education.data.repository
+
+import com.android.systemui.kosmos.Kosmos
+import java.time.Instant
+
+var Kosmos.contextualEducationRepository: ContextualEducationRepository by
+    Kosmos.Fixture { FakeContextualEducationRepository(FakeEduClock(Instant.MIN)) }
diff --git a/packages/SystemUI/tests/utils/src/com/android/systemui/education/data/repository/FakeContextualEducationRepository.kt b/packages/SystemUI/tests/utils/src/com/android/systemui/education/data/repository/FakeContextualEducationRepository.kt
new file mode 100644
index 0000000..5410882
--- /dev/null
+++ b/packages/SystemUI/tests/utils/src/com/android/systemui/education/data/repository/FakeContextualEducationRepository.kt
@@ -0,0 +1,53 @@
+/*
+ * Copyright 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.education.data.repository
+
+import com.android.systemui.education.data.model.GestureEduModel
+import com.android.systemui.shared.education.GestureType
+import java.time.Clock
+import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.flow.MutableStateFlow
+import kotlinx.coroutines.flow.asStateFlow
+
+class FakeContextualEducationRepository(private val clock: Clock) : ContextualEducationRepository {
+
+    private val userGestureMap = mutableMapOf<Int, GestureEduModel>()
+    private val _gestureEduModels = MutableStateFlow(GestureEduModel())
+    private val gestureEduModelsFlow = _gestureEduModels.asStateFlow()
+
+    override fun setUser(userId: Int) {
+        if (!userGestureMap.contains(userId)) {
+            userGestureMap[userId] = GestureEduModel()
+        }
+        _gestureEduModels.value = userGestureMap[userId]!!
+    }
+
+    override fun readGestureEduModelFlow(gestureType: GestureType): Flow<GestureEduModel> {
+        return gestureEduModelsFlow
+    }
+
+    override suspend fun incrementSignalCount(gestureType: GestureType) {
+        _gestureEduModels.value =
+            GestureEduModel(
+                signalCount = _gestureEduModels.value.signalCount + 1,
+            )
+    }
+
+    override suspend fun updateShortcutTriggerTime(gestureType: GestureType) {
+        _gestureEduModels.value = GestureEduModel(lastShortcutTriggeredTime = clock.instant())
+    }
+}
diff --git a/packages/SystemUI/tests/utils/src/com/android/systemui/education/data/repository/FakeEduClock.kt b/packages/SystemUI/tests/utils/src/com/android/systemui/education/data/repository/FakeEduClock.kt
new file mode 100644
index 0000000..513c143
--- /dev/null
+++ b/packages/SystemUI/tests/utils/src/com/android/systemui/education/data/repository/FakeEduClock.kt
@@ -0,0 +1,37 @@
+/*
+ * Copyright 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.education.data.repository
+
+import java.time.Clock
+import java.time.Instant
+import java.time.ZoneId
+
+class FakeEduClock(private val base: Instant) : Clock() {
+    private val zone: ZoneId = ZoneId.of("UTC")
+
+    override fun instant(): Instant {
+        return base
+    }
+
+    override fun withZone(zoneId: ZoneId?): Clock {
+        return FakeEduClock(base)
+    }
+
+    override fun getZone(): ZoneId {
+        return zone
+    }
+}
diff --git a/packages/SystemUI/tests/utils/src/com/android/systemui/keyguard/ui/viewmodel/DreamingToAodTransitionViewModelKosmos.kt b/packages/SystemUI/tests/utils/src/com/android/systemui/keyguard/ui/viewmodel/DreamingToAodTransitionViewModelKosmos.kt
new file mode 100644
index 0000000..b5f0b89
--- /dev/null
+++ b/packages/SystemUI/tests/utils/src/com/android/systemui/keyguard/ui/viewmodel/DreamingToAodTransitionViewModelKosmos.kt
@@ -0,0 +1,32 @@
+/*
+ * 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.
+ */
+
+@file:OptIn(ExperimentalCoroutinesApi::class)
+
+package com.android.systemui.keyguard.ui.viewmodel
+
+import com.android.systemui.deviceentry.domain.interactor.deviceEntryUdfpsInteractor
+import com.android.systemui.keyguard.ui.keyguardTransitionAnimationFlow
+import com.android.systemui.kosmos.Kosmos
+import com.android.systemui.kosmos.Kosmos.Fixture
+import kotlinx.coroutines.ExperimentalCoroutinesApi
+
+var Kosmos.dreamingToAodTransitionViewModel by Fixture {
+    DreamingToAodTransitionViewModel(
+        deviceEntryUdfpsInteractor = deviceEntryUdfpsInteractor,
+        animationFlow = keyguardTransitionAnimationFlow,
+    )
+}
diff --git a/packages/SystemUI/tests/utils/src/com/android/systemui/keyguard/ui/viewmodel/KeyguardRootViewModelKosmos.kt b/packages/SystemUI/tests/utils/src/com/android/systemui/keyguard/ui/viewmodel/KeyguardRootViewModelKosmos.kt
index 2567ffe..3c5baa5 100644
--- a/packages/SystemUI/tests/utils/src/com/android/systemui/keyguard/ui/viewmodel/KeyguardRootViewModelKosmos.kt
+++ b/packages/SystemUI/tests/utils/src/com/android/systemui/keyguard/ui/viewmodel/KeyguardRootViewModelKosmos.kt
@@ -46,6 +46,7 @@
         dozingToGoneTransitionViewModel = dozingToGoneTransitionViewModel,
         dozingToLockscreenTransitionViewModel = dozingToLockscreenTransitionViewModel,
         dozingToOccludedTransitionViewModel = dozingToOccludedTransitionViewModel,
+        dreamingToAodTransitionViewModel = dreamingToAodTransitionViewModel,
         dreamingToGoneTransitionViewModel = dreamingToGoneTransitionViewModel,
         dreamingToLockscreenTransitionViewModel = dreamingToLockscreenTransitionViewModel,
         glanceableHubToLockscreenTransitionViewModel = glanceableHubToLockscreenTransitionViewModel,
diff --git a/services/Android.bp b/services/Android.bp
index cd974c5..dce6aa7 100644
--- a/services/Android.bp
+++ b/services/Android.bp
@@ -186,7 +186,15 @@
 
 // merge all required services into one jar
 // ============================================================
-java_library {
+soong_config_module_type {
+    name: "system_java_library",
+    module_type: "java_library",
+    config_namespace: "system_services",
+    bool_variables: ["without_vibrator"],
+    properties: ["vintf_fragments"],
+}
+
+system_java_library {
     name: "services",
     defaults: [
         "services_java_defaults",
@@ -248,9 +256,19 @@
         "service-sdksandbox.stubs.system_server",
     ],
 
-    vintf_fragments: [
-        "manifest_services.xml",
-    ],
+    soong_config_variables: {
+        without_vibrator: {
+            vintf_fragments: [
+                "manifest_services.xml",
+            ],
+            conditions_default: {
+                vintf_fragments: [
+                    "manifest_services.xml",
+                    "manifest_services_android.frameworks.vibrator.xml",
+                ],
+            },
+        },
+    },
 
     required: [
         "libukey2_jni_shared",
diff --git a/services/core/java/com/android/server/ExplicitHealthCheckController.java b/services/core/java/com/android/server/ExplicitHealthCheckController.java
index 3d610d3..6a6aea4 100644
--- a/services/core/java/com/android/server/ExplicitHealthCheckController.java
+++ b/services/core/java/com/android/server/ExplicitHealthCheckController.java
@@ -15,6 +15,7 @@
  */
 
 package com.android.server;
+import static android.crashrecovery.flags.Flags.refactorCrashrecovery;
 import static android.service.watchdog.ExplicitHealthCheckService.EXTRA_HEALTH_CHECK_PASSED_PACKAGE;
 import static android.service.watchdog.ExplicitHealthCheckService.EXTRA_REQUESTED_PACKAGES;
 import static android.service.watchdog.ExplicitHealthCheckService.EXTRA_SUPPORTED_PACKAGES;
@@ -41,7 +42,6 @@
 import android.util.Slog;
 
 import com.android.internal.annotations.GuardedBy;
-import com.android.internal.util.Preconditions;
 
 import java.util.Collection;
 import java.util.Collections;
@@ -363,22 +363,34 @@
     @GuardedBy("mLock")
     @Nullable
     private ServiceInfo getServiceInfoLocked() {
-        final String packageName =
-                mContext.getPackageManager().getServicesSystemSharedLibraryPackageName();
-        if (packageName == null) {
-            Slog.w(TAG, "no external services package!");
-            return null;
-        }
+        if (refactorCrashrecovery()) {
+            final Intent intent = new Intent(ExplicitHealthCheckService.SERVICE_INTERFACE);
+            final ResolveInfo resolveInfo = mContext.getPackageManager().resolveService(intent,
+                    PackageManager.GET_SERVICES | PackageManager.GET_META_DATA
+                            |  PackageManager.MATCH_SYSTEM_ONLY);
+            if (resolveInfo == null || resolveInfo.serviceInfo == null) {
+                Slog.w(TAG, "No valid components found.");
+                return null;
+            }
+            return resolveInfo.serviceInfo;
+        } else {
+            final String packageName =
+                    mContext.getPackageManager().getServicesSystemSharedLibraryPackageName();
+            if (packageName == null) {
+                Slog.w(TAG, "no external services package!");
+                return null;
+            }
 
-        final Intent intent = new Intent(ExplicitHealthCheckService.SERVICE_INTERFACE);
-        intent.setPackage(packageName);
-        final ResolveInfo resolveInfo = mContext.getPackageManager().resolveService(intent,
-                PackageManager.GET_SERVICES | PackageManager.GET_META_DATA);
-        if (resolveInfo == null || resolveInfo.serviceInfo == null) {
-            Slog.w(TAG, "No valid components found.");
-            return null;
+            final Intent intent = new Intent(ExplicitHealthCheckService.SERVICE_INTERFACE);
+            intent.setPackage(packageName);
+            final ResolveInfo resolveInfo = mContext.getPackageManager().resolveService(intent,
+                    PackageManager.GET_SERVICES | PackageManager.GET_META_DATA);
+            if (resolveInfo == null || resolveInfo.serviceInfo == null) {
+                Slog.w(TAG, "No valid components found.");
+                return null;
+            }
+            return resolveInfo.serviceInfo;
         }
-        return resolveInfo.serviceInfo;
     }
 
     @GuardedBy("mLock")
diff --git a/services/core/java/com/android/server/audio/AudioService.java b/services/core/java/com/android/server/audio/AudioService.java
index 0d309eb..a84306b 100644
--- a/services/core/java/com/android/server/audio/AudioService.java
+++ b/services/core/java/com/android/server/audio/AudioService.java
@@ -739,6 +739,8 @@
     // Broadcast receiver for device connections intent broadcasts
     private final BroadcastReceiver mReceiver = new AudioServiceBroadcastReceiver();
 
+    private final Executor mAudioServerLifecycleExecutor;
+
     private IMediaProjectionManager mProjectionService; // to validate projection token
 
     /** Interface for UserManagerService. */
@@ -1059,7 +1061,8 @@
                               audioserverPermissions() ?
                                 initializeAudioServerPermissionProvider(
                                     context, audioPolicyFacade, audioserverLifecycleExecutor) :
-                                    null
+                                    null,
+                              audioserverLifecycleExecutor
                               );
         }
 
@@ -1145,13 +1148,16 @@
      *               {@link AudioSystemThread} is created as the messaging thread instead.
      * @param appOps {@link AppOpsManager} system service
      * @param enforcer Used for permission enforcing
+     * @param permissionProvider Used to push permissions to audioserver
+     * @param audioserverLifecycleExecutor Used for tasks managing audioserver lifecycle
      */
     @RequiresPermission(Manifest.permission.READ_DEVICE_CONFIG)
     public AudioService(Context context, AudioSystemAdapter audioSystem,
             SystemServerAdapter systemServer, SettingsAdapter settings,
             AudioVolumeGroupHelperBase audioVolumeGroupHelper, AudioPolicyFacade audioPolicy,
             @Nullable Looper looper, AppOpsManager appOps, @NonNull PermissionEnforcer enforcer,
-            /* @NonNull */ AudioServerPermissionProvider permissionProvider) {
+            /* @NonNull */ AudioServerPermissionProvider permissionProvider,
+            Executor audioserverLifecycleExecutor) {
         super(enforcer);
         sLifecycleLogger.enqueue(new EventLogger.StringEvent("AudioService()"));
         mContext = context;
@@ -1159,6 +1165,7 @@
         mAppOps = appOps;
 
         mPermissionProvider = permissionProvider;
+        mAudioServerLifecycleExecutor = audioserverLifecycleExecutor;
 
         mAudioSystem = audioSystem;
         mSystemServer = systemServer;
@@ -1170,6 +1177,34 @@
         mBroadcastHandlerThread = new HandlerThread("AudioService Broadcast");
         mBroadcastHandlerThread.start();
 
+        // Listen to permission invalidations for the PermissionProvider
+        if (audioserverPermissions()) {
+            final Handler broadcastHandler = mBroadcastHandlerThread.getThreadHandler();
+            mAudioSystem.listenForSystemPropertyChange(PermissionManager.CACHE_KEY_PACKAGE_INFO,
+                    new Runnable() {
+                        // Roughly chosen to be long enough to suppress the autocork behavior
+                        // of the permission cache (50ms), and longer than the task could reasonably
+                        // take, even with many packages and users, while not introducing visible
+                        // permission leaks - since the app needs to restart, and trigger an action
+                        // which requires permissions from audioserver before this delay.
+                        // For RECORD_AUDIO, we are additionally protected by appops.
+                        final long UPDATE_DELAY_MS = 110;
+                        final AtomicLong scheduledUpdateTimestamp = new AtomicLong(0);
+                        @Override
+                        public void run() {
+                            var currentTime = SystemClock.uptimeMillis();
+                            if (currentTime > scheduledUpdateTimestamp.get()) {
+                                scheduledUpdateTimestamp.set(currentTime + UPDATE_DELAY_MS);
+                                broadcastHandler.postAtTime( () ->
+                                        mAudioServerLifecycleExecutor.execute(mPermissionProvider
+                                            ::onPermissionStateChanged),
+                                        currentTime + UPDATE_DELAY_MS
+                                    );
+                            }
+                        }
+            });
+        }
+
         mDeviceBroker = new AudioDeviceBroker(mContext, this, mAudioSystem);
 
         mIsSingleVolume = AudioSystem.isSingleVolume(context);
@@ -11965,29 +12000,6 @@
             provider.onServiceStart(audioPolicy.getPermissionController());
         });
 
-        // Set up event listeners
-        // Must be kept in sync with PermissionManager
-        Runnable cacheSysPropHandler = new Runnable() {
-            private AtomicReference<SystemProperties.Handle> mHandle = new AtomicReference();
-            private AtomicLong mNonce = new AtomicLong();
-            @Override
-            public void run() {
-                if (mHandle.get() == null) {
-                    // Cache the handle
-                    mHandle.compareAndSet(null, SystemProperties.find(
-                            PermissionManager.CACHE_KEY_PACKAGE_INFO));
-                }
-                long nonce;
-                SystemProperties.Handle ref;
-                if ((ref = mHandle.get()) != null && (nonce = ref.getLong(0)) != 0 &&
-                        mNonce.getAndSet(nonce) != nonce) {
-                    audioserverExecutor.execute(() -> provider.onPermissionStateChanged());
-                }
-            }
-        };
-
-        SystemProperties.addChangeCallback(cacheSysPropHandler);
-
         IntentFilter packageUpdateFilter = new IntentFilter();
         packageUpdateFilter.addAction(ACTION_PACKAGE_ADDED);
         packageUpdateFilter.addAction(ACTION_PACKAGE_REMOVED);
diff --git a/services/core/java/com/android/server/audio/AudioSystemAdapter.java b/services/core/java/com/android/server/audio/AudioSystemAdapter.java
index 7f4bc74..d083c68 100644
--- a/services/core/java/com/android/server/audio/AudioSystemAdapter.java
+++ b/services/core/java/com/android/server/audio/AudioSystemAdapter.java
@@ -748,6 +748,10 @@
         return AudioSystem.setMasterMute(mute);
     }
 
+    public void listenForSystemPropertyChange(String systemPropertyName, Runnable callback) {
+        AudioSystem.listenForSystemPropertyChange(systemPropertyName, callback);
+    }
+
     /**
      * Part of AudioService dump
      * @param pw
diff --git a/services/core/java/com/android/server/display/DisplayDeviceConfig.java b/services/core/java/com/android/server/display/DisplayDeviceConfig.java
index f5231ae..7a055d1 100644
--- a/services/core/java/com/android/server/display/DisplayDeviceConfig.java
+++ b/services/core/java/com/android/server/display/DisplayDeviceConfig.java
@@ -619,6 +619,15 @@
  *     </idleScreenRefreshRateTimeout>
  *     <supportsVrr>true</supportsVrr>
  *
+ *     <dozeBrightnessSensorValueToBrightness>
+ *         <item>-1</item> <!-- 0: OFF -->
+ *         <item>0.003937008</item> <!-- 1: NIGHT -->
+ *         <item>0.015748031</item> <!-- 2: LOW -->
+ *         <item>0.102362205</item> <!-- 3: HIGH -->
+ *         <item>0.106299213</item> <!-- 4: SUN -->
+ *     </dozeBrightnessSensorValueToBrightness>
+ *     <defaultDozeBrightness>0.235</defaultDozeBrightness>
+ *
  *    </displayConfiguration>
  *  }
  *  </pre>
@@ -638,6 +647,10 @@
 
     public static final int DEFAULT_LOW_REFRESH_RATE = 60;
 
+    // Float.NaN (used as invalid for brightness) cannot be stored in config.xml
+    // so -2 is used instead
+    public static final float INVALID_BRIGHTNESS_IN_CONFIG = -2f;
+
     @VisibleForTesting
     static final float BRIGHTNESS_DEFAULT = 0.5f;
     private static final String ETC_DIR = "etc";
@@ -656,10 +669,6 @@
     private static final int INTERPOLATION_DEFAULT = 0;
     private static final int INTERPOLATION_LINEAR = 1;
 
-    // Float.NaN (used as invalid for brightness) cannot be stored in config.xml
-    // so -2 is used instead
-    private static final float INVALID_BRIGHTNESS_IN_CONFIG = -2f;
-
     // Length of the ambient light horizon used to calculate the long term estimate of ambient
     // light.
     private static final int AMBIENT_LIGHT_LONG_HORIZON_MILLIS = 10000;
@@ -670,6 +679,11 @@
     // Invalid value of AutoBrightness brightening and darkening light debounce
     private static final int INVALID_AUTO_BRIGHTNESS_LIGHT_DEBOUNCE = -1;
 
+    @VisibleForTesting
+    static final float HDR_PERCENT_OF_SCREEN_REQUIRED_DEFAULT = 0.5f;
+
+    private static final int KEEP_CURRENT_BRIGHTNESS = -1;
+
     private final Context mContext;
 
     // The details of the ambient light sensor associated with this display.
@@ -877,6 +891,10 @@
 
     private boolean mVrrSupportEnabled;
 
+    @Nullable
+    private float[] mDozeBrightnessSensorValueToBrightness;
+    private float mDefaultDozeBrightness;
+
     private final DisplayManagerFlags mFlags;
 
     @VisibleForTesting
@@ -1592,6 +1610,24 @@
         return mVrrSupportEnabled;
     }
 
+    /**
+     * While the device is dozing, a designated light sensor is used to determine the brightness.
+     * @return The mapping between doze brightness sensor values and brightness values. The value
+     * -1 means that the current brightness should be kept.
+     */
+    @Nullable
+    public float[] getDozeBrightnessSensorValueToBrightness() {
+        return mDozeBrightnessSensorValueToBrightness;
+    }
+
+    /**
+     * @return The default doze brightness to use while no other doze brightness is available. Can
+     * be {@link PowerManager#BRIGHTNESS_INVALID_FLOAT} if undefined.
+     */
+    public float getDefaultDozeBrightness() {
+        return mDefaultDozeBrightness;
+    }
+
     @Override
     public String toString() {
         return "DisplayDeviceConfig{"
@@ -1689,6 +1725,9 @@
                 ? mEvenDimmerBrightnessData.toString() : "null")
                 + "\n"
                 + "mVrrSupported= " + mVrrSupportEnabled + "\n"
+                + "mDozeBrightnessSensorValueToBrightness= "
+                + Arrays.toString(mDozeBrightnessSensorValueToBrightness) + "\n"
+                + "mDefaultDozeBrightness= " + mDefaultDozeBrightness + "\n"
                 + "}";
     }
 
@@ -1783,6 +1822,7 @@
                 loadBrightnessCapForWearBedtimeMode(config);
                 loadIdleScreenRefreshRateTimeoutConfigs(config);
                 mVrrSupportEnabled = config.getSupportsVrr();
+                loadDozeBrightness(config);
             } else {
                 Slog.w(TAG, "DisplayDeviceConfig file is null");
             }
@@ -1811,6 +1851,7 @@
         loadRefreshRateSetting(null);
         loadBrightnessCapForWearBedtimeModeFromConfigXml();
         loadIdleScreenRefreshRateTimeoutConfigs(null);
+        loadDozeBrightness(null);
         mLoadedFrom = "<config.xml>";
     }
 
@@ -2745,6 +2786,37 @@
         }
     }
 
+    private void loadDozeBrightness(DisplayConfiguration config) {
+        if (mFlags.isDozeBrightnessFloatEnabled() && config != null
+                && config.getDozeBrightnessSensorValueToBrightness() != null) {
+            List<BigDecimal> values = config.getDozeBrightnessSensorValueToBrightness().getItem();
+            mDozeBrightnessSensorValueToBrightness = new float[values.size()];
+            for (int i = 0; i < values.size(); i++) {
+                float backlight = values.get(i).floatValue();
+                if (backlight != KEEP_CURRENT_BRIGHTNESS) {
+                    mDozeBrightnessSensorValueToBrightness[i] =
+                            getBrightnessFromBacklight(backlight);
+                } else {
+                    mDozeBrightnessSensorValueToBrightness[i] = KEEP_CURRENT_BRIGHTNESS;
+                }
+            }
+        }
+
+        if (mFlags.isDozeBrightnessFloatEnabled() && config != null
+                && config.getDefaultDozeBrightness() != null) {
+            float backlight = config.getDefaultDozeBrightness().floatValue();
+            mDefaultDozeBrightness = getBrightnessFromBacklight(backlight);
+        } else {
+            mDefaultDozeBrightness = mContext.getResources().getFloat(
+                    com.android.internal.R.dimen.config_screenBrightnessDozeFloat);
+            if (mDefaultDozeBrightness == INVALID_BRIGHTNESS_IN_CONFIG) {
+                mDefaultDozeBrightness = BrightnessSynchronizer.brightnessIntToFloat(
+                        mContext.getResources().getInteger(
+                                com.android.internal.R.integer.config_screenBrightnessDoze));
+            }
+        }
+    }
+
     private void validateIdleScreenRefreshRateTimeoutConfig(
             IdleScreenRefreshRateTimeout idleScreenRefreshRateTimeoutConfig) {
         IdleScreenRefreshRateTimeoutLuxThresholds idleScreenRefreshRateTimeoutLuxThresholds =
diff --git a/services/core/java/com/android/server/display/DisplayManagerService.java b/services/core/java/com/android/server/display/DisplayManagerService.java
index 2f3584c..b3a6c1c 100644
--- a/services/core/java/com/android/server/display/DisplayManagerService.java
+++ b/services/core/java/com/android/server/display/DisplayManagerService.java
@@ -4726,6 +4726,32 @@
             DisplayManagerService.this.mDisplayModeDirector.requestDisplayModes(
                     token, displayId, modeIds);
         }
+
+        @EnforcePermission(android.Manifest.permission.CONTROL_DISPLAY_BRIGHTNESS)
+        @Override // Binder call
+        public float[] getDozeBrightnessSensorValueToBrightness(int displayId) {
+            getDozeBrightnessSensorValueToBrightness_enforcePermission();
+            DisplayDeviceConfig ddc =
+                    mDisplayDeviceConfigProvider.getDisplayDeviceConfig(displayId);
+            if (ddc == null) {
+                throw new IllegalArgumentException(
+                        "Display ID does not have a config: " + displayId);
+            }
+            return ddc.getDozeBrightnessSensorValueToBrightness();
+        }
+
+        @EnforcePermission(android.Manifest.permission.CONTROL_DISPLAY_BRIGHTNESS)
+        @Override // Binder call
+        public float getDefaultDozeBrightness(int displayId) {
+            getDefaultDozeBrightness_enforcePermission();
+            DisplayDeviceConfig ddc =
+                    mDisplayDeviceConfigProvider.getDisplayDeviceConfig(displayId);
+            if (ddc == null) {
+                throw new IllegalArgumentException(
+                        "Display ID does not have a config for doze-default: " + displayId);
+            }
+            return ddc.getDefaultDozeBrightness();
+        }
     }
 
     private static boolean isValidBrightness(float brightness) {
diff --git a/services/core/java/com/android/server/display/DisplayPowerController.java b/services/core/java/com/android/server/display/DisplayPowerController.java
index 58309c2..5c1e783 100644
--- a/services/core/java/com/android/server/display/DisplayPowerController.java
+++ b/services/core/java/com/android/server/display/DisplayPowerController.java
@@ -272,7 +272,7 @@
     private final SettingsObserver mSettingsObserver;
 
     // The doze screen brightness.
-    private final float mScreenBrightnessDozeConfig;
+    private float mScreenBrightnessDozeConfig;
 
     // True if auto-brightness should be used.
     private boolean mUseSoftwareAutoBrightnessConfig;
@@ -550,7 +550,7 @@
 
         // DOZE AND DIM SETTINGS
         mScreenBrightnessDozeConfig = BrightnessUtils.clampAbsoluteBrightness(
-                pm.getBrightnessConstraint(PowerManager.BRIGHTNESS_CONSTRAINT_TYPE_DOZE));
+                mDisplayDeviceConfig.getDefaultDozeBrightness());
         loadBrightnessRampRates();
         mSkipScreenOnBrightnessRamp = resources.getBoolean(
                 R.bool.config_skipScreenOnBrightnessRamp);
@@ -932,6 +932,8 @@
             HighBrightnessModeMetadata hbmMetadata) {
         // All properties that depend on the associated DisplayDevice and the DDC must be
         // updated here.
+        mScreenBrightnessDozeConfig = BrightnessUtils.clampAbsoluteBrightness(
+                mDisplayDeviceConfig.getDefaultDozeBrightness());
         loadBrightnessRampRates();
         loadNitsRange(mContext.getResources());
         setUpAutoBrightness(mContext, mHandler);
diff --git a/services/core/java/com/android/server/display/feature/DisplayManagerFlags.java b/services/core/java/com/android/server/display/feature/DisplayManagerFlags.java
index 3ce7d2a..e1934b0 100644
--- a/services/core/java/com/android/server/display/feature/DisplayManagerFlags.java
+++ b/services/core/java/com/android/server/display/feature/DisplayManagerFlags.java
@@ -154,6 +154,10 @@
             Flags::useFusionProxSensor
     );
 
+    private final FlagState mDozeBrightnessFloat = new FlagState(
+            Flags.FLAG_DOZE_BRIGHTNESS_FLOAT,
+            Flags::dozeBrightnessFloat);
+
     private final FlagState mOffloadControlsDozeAutoBrightness = new FlagState(
             Flags.FLAG_OFFLOAD_CONTROLS_DOZE_AUTO_BRIGHTNESS,
             Flags::offloadControlsDozeAutoBrightness
@@ -347,6 +351,10 @@
         return mUseFusionProxSensor.getName();
     }
 
+    public boolean isDozeBrightnessFloatEnabled() {
+        return mDozeBrightnessFloat.isEnabled();
+    }
+
     /**
      * @return Whether DisplayOffload should control auto-brightness in doze
      */
@@ -415,6 +423,7 @@
         pw.println(" " + mRefactorDisplayPowerController);
         pw.println(" " + mResolutionBackupRestore);
         pw.println(" " + mUseFusionProxSensor);
+        pw.println(" " + mDozeBrightnessFloat);
         pw.println(" " + mOffloadControlsDozeAutoBrightness);
         pw.println(" " + mPeakRefreshRatePhysicalLimit);
         pw.println(" " + mIgnoreAppPreferredRefreshRate);
diff --git a/services/core/java/com/android/server/display/feature/display_flags.aconfig b/services/core/java/com/android/server/display/feature/display_flags.aconfig
index fd3af23..ac5f97f 100644
--- a/services/core/java/com/android/server/display/feature/display_flags.aconfig
+++ b/services/core/java/com/android/server/display/feature/display_flags.aconfig
@@ -246,6 +246,14 @@
 }
 
 flag {
+    name: "doze_brightness_float"
+    namespace: "display_manager"
+    description: "Define doze brightness in the float scale [0, 1]."
+    bug: "343796384"
+    is_fixed_read_only: true
+}
+
+flag {
     name: "offload_controls_doze_auto_brightness"
     namespace: "display_manager"
     description: "Allows the registered DisplayOffloader to control if auto-brightness is used in doze"
diff --git a/services/core/java/com/android/server/inputmethod/AdditionalSubtypeMapRepository.java b/services/core/java/com/android/server/inputmethod/AdditionalSubtypeMapRepository.java
index 9968590..8ca0458 100644
--- a/services/core/java/com/android/server/inputmethod/AdditionalSubtypeMapRepository.java
+++ b/services/core/java/com/android/server/inputmethod/AdditionalSubtypeMapRepository.java
@@ -220,6 +220,11 @@
     }
 
     @AnyThread
+    static void onUserCreated(@UserIdInt int userId) {
+        sWriter.onUserCreated(userId);
+    }
+
+    @AnyThread
     static void remove(@UserIdInt int userId, @NonNull Handler ioHandler) {
         sWriter.onUserRemoved(userId);
         ioHandler.post(() -> {
diff --git a/services/core/java/com/android/server/inputmethod/InputMethodBindingController.java b/services/core/java/com/android/server/inputmethod/InputMethodBindingController.java
index 5ab493b..9837ab1 100644
--- a/services/core/java/com/android/server/inputmethod/InputMethodBindingController.java
+++ b/services/core/java/com/android/server/inputmethod/InputMethodBindingController.java
@@ -408,7 +408,8 @@
                         InputMethodManager
                                 .invalidateLocalConnectionlessStylusHandwritingAvailabilityCaches();
                     }
-                    mService.initializeImeLocked(mCurMethod, mCurToken, mUserId);
+                    mService.initializeImeLocked(mCurMethod, mCurToken,
+                            InputMethodBindingController.this);
                     mService.scheduleNotifyImeUidToAudioService(mCurMethodUid);
                     mService.reRequestCurrentClientSessionLocked(mUserId);
                     mAutofillController.performOnCreateInlineSuggestionsRequest();
diff --git a/services/core/java/com/android/server/inputmethod/InputMethodDrawsNavBarResourceMonitor.java b/services/core/java/com/android/server/inputmethod/InputMethodDrawsNavBarResourceMonitor.java
new file mode 100644
index 0000000..b835d05
--- /dev/null
+++ b/services/core/java/com/android/server/inputmethod/InputMethodDrawsNavBarResourceMonitor.java
@@ -0,0 +1,89 @@
+/*
+ * 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.server.inputmethod;
+
+import static android.content.Intent.ACTION_OVERLAY_CHANGED;
+
+import android.annotation.AnyThread;
+import android.annotation.NonNull;
+import android.annotation.SuppressLint;
+import android.annotation.UserIdInt;
+import android.annotation.WorkerThread;
+import android.content.BroadcastReceiver;
+import android.content.Context;
+import android.content.Intent;
+import android.content.IntentFilter;
+import android.content.pm.PackageManager;
+import android.os.Handler;
+import android.os.PatternMatcher;
+import android.os.UserHandle;
+import android.util.Slog;
+
+final class InputMethodDrawsNavBarResourceMonitor {
+    private static final String TAG = "InputMethodDrawsNavBarResourceMonitor";
+
+    private static final String SYSTEM_PACKAGE_NAME = "android";
+
+    /**
+     * Not intended to be instantiated.
+     */
+    private InputMethodDrawsNavBarResourceMonitor() {
+    }
+
+    @WorkerThread
+    static boolean evaluate(@NonNull Context context, @UserIdInt int userId) {
+        final Context userAwareContext;
+        if (context.getUserId() == userId) {
+            userAwareContext = context;
+        } else {
+            userAwareContext = context.createContextAsUser(UserHandle.of(userId), 0 /* flags */);
+        }
+        try {
+            return userAwareContext.getPackageManager()
+                    .getResourcesForApplication(SYSTEM_PACKAGE_NAME)
+                    .getBoolean(com.android.internal.R.bool.config_imeDrawsImeNavBar);
+        } catch (PackageManager.NameNotFoundException e) {
+            Slog.e(TAG, "getResourcesForApplication(\"" + SYSTEM_PACKAGE_NAME + "\") failed",
+                    e);
+            return false;
+        }
+    }
+
+    @FunctionalInterface
+    interface OnUpdateCallback {
+        void onUpdate(@UserIdInt int userId);
+    }
+
+    @SuppressLint("MissingPermission")
+    @AnyThread
+    static void registerCallback(@NonNull Context context, @NonNull Handler ioHandler,
+            @NonNull OnUpdateCallback callback) {
+        final IntentFilter intentFilter = new IntentFilter(ACTION_OVERLAY_CHANGED);
+        intentFilter.addDataScheme(IntentFilter.SCHEME_PACKAGE);
+        intentFilter.addDataSchemeSpecificPart(SYSTEM_PACKAGE_NAME, PatternMatcher.PATTERN_LITERAL);
+
+        final BroadcastReceiver broadcastReceiver = new BroadcastReceiver() {
+            @Override
+            public void onReceive(Context context, Intent intent) {
+                final int userId = getSendingUserId();
+                callback.onUpdate(userId);
+            }
+        };
+        context.registerReceiverAsUser(broadcastReceiver, UserHandle.ALL, intentFilter,
+                null /* broadcastPermission */, ioHandler, Context.RECEIVER_NOT_EXPORTED);
+    }
+}
diff --git a/services/core/java/com/android/server/inputmethod/InputMethodManagerService.java b/services/core/java/com/android/server/inputmethod/InputMethodManagerService.java
index e1803dc..f5faeef 100644
--- a/services/core/java/com/android/server/inputmethod/InputMethodManagerService.java
+++ b/services/core/java/com/android/server/inputmethod/InputMethodManagerService.java
@@ -67,6 +67,7 @@
 import android.annotation.Nullable;
 import android.annotation.UiThread;
 import android.annotation.UserIdInt;
+import android.annotation.WorkerThread;
 import android.app.ActivityManagerInternal;
 import android.content.BroadcastReceiver;
 import android.content.ComponentName;
@@ -169,14 +170,12 @@
 import com.android.internal.inputmethod.UnbindReason;
 import com.android.internal.os.TransferPipe;
 import com.android.internal.util.ArrayUtils;
-import com.android.internal.util.ConcurrentUtils;
 import com.android.internal.util.DumpUtils;
 import com.android.internal.util.Preconditions;
 import com.android.server.AccessibilityManagerInternal;
 import com.android.server.EventLogTags;
 import com.android.server.LocalServices;
 import com.android.server.ServiceThread;
-import com.android.server.SystemServerInitThreadPool;
 import com.android.server.SystemService;
 import com.android.server.companion.virtual.VirtualDeviceManagerInternal;
 import com.android.server.input.InputManagerInternal;
@@ -202,7 +201,6 @@
 import java.util.OptionalInt;
 import java.util.WeakHashMap;
 import java.util.concurrent.CopyOnWriteArrayList;
-import java.util.concurrent.Future;
 import java.util.concurrent.TimeUnit;
 import java.util.function.Consumer;
 import java.util.function.IntFunction;
@@ -399,15 +397,6 @@
     @SharedByAllUsersField
     private IntArray mStylusIds;
 
-    @GuardedBy("ImfLock.class")
-    @Nullable
-    @MultiUserUnawareField
-    private OverlayableSystemBooleanResourceWrapper mImeDrawsImeNavBarRes;
-    @GuardedBy("ImfLock.class")
-    @Nullable
-    @MultiUserUnawareField
-    Future<?> mImeDrawsImeNavBarResLazyInitFuture;
-
     private final ImeTracing.ServiceDumper mDumper = new ImeTracing.ServiceDumper() {
         /**
          * {@inheritDoc}
@@ -484,13 +473,13 @@
     @SharedByAllUsersField
     boolean mSystemReady;
 
-    @GuardedBy("ImfLock.class")
+    @AnyThread
     @NonNull
     UserDataRepository.UserData getUserData(@UserIdInt int userId) {
         return mUserDataRepository.getOrCreate(userId);
     }
 
-    @GuardedBy("ImfLock.class")
+    @AnyThread
     @NonNull
     InputMethodBindingController getInputMethodBindingController(@UserIdInt int userId) {
         return getUserData(userId).mBindingController;
@@ -934,9 +923,13 @@
             // For production code, hook up user lifecycle
             mService.mUserManagerInternal.addUserLifecycleListener(this);
 
+            // Hook up resource change first before initializeUsersAsync() starts reading the
+            // seemingly initial data so that we can eliminate the race condition.
+            InputMethodDrawsNavBarResourceMonitor.registerCallback(context, mService.mIoHandler,
+                    mService::onUpdateResourceOverlay);
+
             // Also schedule user init tasks onto an I/O thread.
-            initializeUsersAsync(context, mService.mIoHandler,
-                    mService.mUserManagerInternal.getUserIds());
+            initializeUsersAsync(mService.mUserManagerInternal.getUserIds());
         }
 
         @VisibleForTesting
@@ -1019,7 +1012,9 @@
         @Override
         public void onUserCreated(UserInfo user, @Nullable Object token) {
             // Called directly from UserManagerService. Do not block the calling thread.
-            initializeUsersAsync(mService.mContext, mService.mIoHandler, new int[user.id]);
+            final int userId = user.id;
+            AdditionalSubtypeMapRepository.onUserCreated(userId);
+            initializeUsersAsync(new int[userId]);
         }
 
         @Override
@@ -1057,9 +1052,12 @@
         }
 
         @AnyThread
-        private static void initializeUsersAsync(
-                @NonNull Context context, @NonNull Handler ioHandler, @UserIdInt int[] userIds) {
-            ioHandler.post(() -> {
+        private void initializeUsersAsync(@UserIdInt int[] userIds) {
+            mService.mIoHandler.post(() -> {
+                final var service = mService;
+                final var context = service.mContext;
+                final var userManagerInternal = service.mUserManagerInternal;
+
                 // We first create InputMethodMap for each user without loading AdditionalSubtypes.
                 final int numUsers = userIds.length;
                 final InputMethodMap[] rawMethodMaps = new InputMethodMap[numUsers];
@@ -1068,6 +1066,12 @@
                     rawMethodMaps[i] = InputMethodManagerService.queryInputMethodServicesInternal(
                             context, userId, AdditionalSubtypeMap.EMPTY_MAP,
                             DirectBootAwareness.AUTO).getMethodMap();
+                    final int profileParentId = userManagerInternal.getProfileParentId(userId);
+                    final boolean value =
+                            InputMethodDrawsNavBarResourceMonitor.evaluate(context,
+                                    profileParentId);
+                    final var userData = mService.getUserData(userId);
+                    userData.mImeDrawsNavBar.set(value);
                 }
 
                 // Then create full InputMethodMap for each user. Note that
@@ -1242,36 +1246,6 @@
         setSelectedInputMethodAndSubtypeLocked(defIm, NOT_A_SUBTYPE_ID, false, userId);
     }
 
-    @GuardedBy("ImfLock.class")
-    private void maybeInitImeNavbarConfigLocked(@UserIdInt int targetUserId) {
-        // Currently, com.android.internal.R.bool.config_imeDrawsImeNavBar is overlaid only for the
-        // profile parent user.
-        // TODO(b/221443458): See if we can make OverlayManager be aware of profile groups.
-        final int profileParentUserId = mUserManagerInternal.getProfileParentId(targetUserId);
-        if (mImeDrawsImeNavBarRes != null
-                && mImeDrawsImeNavBarRes.getUserId() != profileParentUserId) {
-            mImeDrawsImeNavBarRes.close();
-            mImeDrawsImeNavBarRes = null;
-        }
-        if (mImeDrawsImeNavBarRes == null) {
-            final Context userContext;
-            if (mContext.getUserId() == profileParentUserId) {
-                userContext = mContext;
-            } else {
-                userContext = mContext.createContextAsUser(UserHandle.of(profileParentUserId),
-                        0 /* flags */);
-            }
-            mImeDrawsImeNavBarRes = OverlayableSystemBooleanResourceWrapper.create(userContext,
-                    com.android.internal.R.bool.config_imeDrawsImeNavBar, mHandler, resource -> {
-                        synchronized (ImfLock.class) {
-                            if (resource == mImeDrawsImeNavBarRes) {
-                                sendOnNavButtonFlagsChangedLocked();
-                            }
-                        }
-                    });
-        }
-    }
-
     @NonNull
     private static PackageManager getPackageManagerForUser(@NonNull Context context,
             @UserIdInt int userId) {
@@ -1304,8 +1278,6 @@
 
         // Hereafter we start initializing things for "newUserId".
 
-        maybeInitImeNavbarConfigLocked(newUserId);
-
         final var newUserData = getUserData(newUserId);
 
         // TODO(b/342027196): Double check if we need to always reset upon user switching.
@@ -1384,23 +1356,6 @@
                     });
                 }
 
-                // TODO(b/32343335): The entire systemRunning() method needs to be revisited.
-                mImeDrawsImeNavBarResLazyInitFuture = SystemServerInitThreadPool.submit(() -> {
-                    // Note that the synchronization block below guarantees that the task
-                    // can never be completed before the returned Future<?> object is assigned to
-                    // the "mImeDrawsImeNavBarResLazyInitFuture" field.
-                    synchronized (ImfLock.class) {
-                        mImeDrawsImeNavBarResLazyInitFuture = null;
-                        if (currentUserId != mCurrentUserId) {
-                            // This means that the current user is already switched to other user
-                            // before the background task is executed. In this scenario the relevant
-                            // field should already be initialized.
-                            return;
-                        }
-                        maybeInitImeNavbarConfigLocked(currentUserId);
-                    }
-                }, "Lazily initialize IMMS#mImeDrawsImeNavBarRes");
-
                 mMyPackageMonitor.register(mContext, UserHandle.ALL, mIoHandler);
                 SecureSettingsChangeCallback.register(mHandler, mContext.getContentResolver(),
                         new String[] {
@@ -1436,9 +1391,7 @@
                         getPackageManagerForUser(mContext, currentUserId),
                         newSettings.getEnabledInputMethodList());
 
-                final var unused = SystemServerInitThreadPool.submit(
-                        AdditionalSubtypeMapRepository::startWriterThread,
-                        "Start AdditionalSubtypeMapRepository's writer thread");
+                AdditionalSubtypeMapRepository.startWriterThread();
 
                 if (mConcurrentMultiUserModeEnabled) {
                     for (int userId : mUserManagerInternal.getUserIds()) {
@@ -1922,7 +1875,8 @@
                     userData.mCurClient.mUid, true /* direct */);
         }
 
-        @InputMethodNavButtonFlags final int navButtonFlags = getInputMethodNavButtonFlagsLocked();
+        @InputMethodNavButtonFlags final int navButtonFlags =
+                getInputMethodNavButtonFlagsLocked(userData);
         final SessionState session = userData.mCurClient.mCurSession;
         setEnabledSessionLocked(session, userData);
         session.mMethod.startInput(startInputToken, userData.mCurInputConnection,
@@ -2314,15 +2268,15 @@
 
     @GuardedBy("ImfLock.class")
     void initializeImeLocked(@NonNull IInputMethodInvoker inputMethod, @NonNull IBinder token,
-            @UserIdInt int userId) {
+            @NonNull InputMethodBindingController bindingController) {
         if (DEBUG) {
             Slog.v(TAG, "Sending attach of token: " + token + " for display: "
-                    + getInputMethodBindingController(userId).getCurTokenDisplayId());
+                    + bindingController.getCurTokenDisplayId());
         }
+        final int userId = bindingController.getUserId();
         inputMethod.initializeInternal(token,
                 new InputMethodPrivilegedOperationsImpl(this, token, userId),
-                // TODO(b/345519864): Make getInputMethodNavButtonFlagsLocked() multi-user aware
-                getInputMethodNavButtonFlagsLocked());
+                getInputMethodNavButtonFlagsLocked(getUserData(userId)));
     }
 
     @AnyThread
@@ -2621,23 +2575,17 @@
 
     @GuardedBy("ImfLock.class")
     @InputMethodNavButtonFlags
-    private int getInputMethodNavButtonFlagsLocked() {
-        // TODO(b/345519864): Make mImeDrawsImeNavBarRes multi-user aware.
-        final int userId = mCurrentUserId;
-        final var bindingController = getInputMethodBindingController(userId);
-        if (mImeDrawsImeNavBarResLazyInitFuture != null) {
-            // TODO(b/225366708): Avoid Future.get(), which is internally used here.
-            ConcurrentUtils.waitForFutureNoInterrupt(mImeDrawsImeNavBarResLazyInitFuture,
-                    "Waiting for the lazy init of mImeDrawsImeNavBarRes");
-        }
+    private int getInputMethodNavButtonFlagsLocked(
+            @NonNull UserDataRepository.UserData userData) {
+        final int userId = userData.mUserId;
+        final var bindingController = userData.mBindingController;
         // Whether the current display has a navigation bar. When this is false (e.g. emulator),
         // the IME should not draw the IME navigation bar.
         final int tokenDisplayId = bindingController.getCurTokenDisplayId();
         final boolean hasNavigationBar = mWindowManagerInternal
                 .hasNavigationBar(tokenDisplayId != INVALID_DISPLAY
                         ? tokenDisplayId : DEFAULT_DISPLAY);
-        final boolean canImeDrawsImeNavBar =
-                mImeDrawsImeNavBarRes != null && mImeDrawsImeNavBarRes.get() && hasNavigationBar;
+        final boolean canImeDrawsImeNavBar = userData.mImeDrawsNavBar.get() && hasNavigationBar;
         final boolean shouldShowImeSwitcherWhenImeIsShown = shouldShowImeSwitcherLocked(
                 InputMethodService.IME_ACTIVE | InputMethodService.IME_VISIBLE, userId);
         return (canImeDrawsImeNavBar ? InputMethodNavButtonFlags.IME_DRAWS_IME_NAV_BAR : 0)
@@ -2981,7 +2929,7 @@
         final var userData = getUserData(userId);
         userData.mSwitchingController.resetCircularListLocked(mContext, settings);
         userData.mHardwareKeyboardShortcutController.update(settings);
-        sendOnNavButtonFlagsChangedLocked();
+        sendOnNavButtonFlagsChangedLocked(userData);
     }
 
     @GuardedBy("ImfLock.class")
@@ -5005,7 +4953,7 @@
             case MSG_HARD_KEYBOARD_SWITCH_CHANGED:
                 mMenuController.handleHardKeyboardStatusChange(msg.arg1 == 1);
                 synchronized (ImfLock.class) {
-                    sendOnNavButtonFlagsChangedLocked();
+                    sendOnNavButtonFlagsChangedToAllImesLocked();
                 }
                 return true;
             case MSG_SYSTEM_UNLOCK_USER: {
@@ -5339,7 +5287,7 @@
         userData.mSwitchingController.resetCircularListLocked(mContext, settings);
         userData.mHardwareKeyboardShortcutController.update(settings);
 
-        sendOnNavButtonFlagsChangedLocked();
+        sendOnNavButtonFlagsChangedLocked(userData);
 
         // Notify InputMethodListListeners of the new installed InputMethods.
         final List<InputMethodInfo> inputMethodList = settings.getMethodList();
@@ -5348,14 +5296,38 @@
     }
 
     @GuardedBy("ImfLock.class")
-    void sendOnNavButtonFlagsChangedLocked() {
-        final var bindingController = getInputMethodBindingController(mCurrentUserId);
+    void sendOnNavButtonFlagsChangedToAllImesLocked() {
+        for (int userId : mUserManagerInternal.getUserIds()) {
+            sendOnNavButtonFlagsChangedLocked(getUserData(userId));
+        }
+    }
+
+    @GuardedBy("ImfLock.class")
+    void sendOnNavButtonFlagsChangedLocked(@NonNull UserDataRepository.UserData userData) {
+        final var bindingController = userData.mBindingController;
         final IInputMethodInvoker curMethod = bindingController.getCurMethod();
         if (curMethod == null) {
             // No need to send the data if the IME is not yet bound.
             return;
         }
-        curMethod.onNavButtonFlagsChanged(getInputMethodNavButtonFlagsLocked());
+        curMethod.onNavButtonFlagsChanged(getInputMethodNavButtonFlagsLocked(userData));
+    }
+
+    @WorkerThread
+    private void onUpdateResourceOverlay(@UserIdInt int userId) {
+        final int profileParentId = mUserManagerInternal.getProfileParentId(userId);
+        final boolean value =
+                InputMethodDrawsNavBarResourceMonitor.evaluate(mContext, profileParentId);
+        final var profileUserIds = mUserManagerInternal.getProfileIds(profileParentId, false);
+        final ArrayList<UserDataRepository.UserData> updatedUsers = new ArrayList<>();
+        for (int profileUserId : profileUserIds) {
+            final var userData = getUserData(profileUserId);
+            userData.mImeDrawsNavBar.set(value);
+            updatedUsers.add(userData);
+        }
+        synchronized (ImfLock.class) {
+            updatedUsers.forEach(this::sendOnNavButtonFlagsChangedLocked);
+        }
     }
 
     @GuardedBy("ImfLock.class")
@@ -6123,6 +6095,7 @@
                         u.mImeBindingState.dump("        ", p);
                         p.println("      enabledSession=" + u.mEnabledSession);
                         p.println("      inFullscreenMode=" + u.mInFullscreenMode);
+                        p.println("      imeDrawsNavBar=" + u.mImeDrawsNavBar.get());
                         p.println("      switchingController:");
                         u.mSwitchingController.dump(p, "        ");
                         p.println("      mLastEnabledInputMethodsStr="
diff --git a/services/core/java/com/android/server/inputmethod/InputMethodMenuController.java b/services/core/java/com/android/server/inputmethod/InputMethodMenuController.java
index 656c87d..06f73f3 100644
--- a/services/core/java/com/android/server/inputmethod/InputMethodMenuController.java
+++ b/services/core/java/com/android/server/inputmethod/InputMethodMenuController.java
@@ -202,7 +202,7 @@
         attrs.setTitle("Select input method");
         w.setAttributes(attrs);
         mService.updateSystemUiLocked(userId);
-        mService.sendOnNavButtonFlagsChangedLocked();
+        mService.sendOnNavButtonFlagsChangedLocked(mService.getUserData(userId));
         mSwitchingDialog.show();
     }
 
@@ -242,7 +242,7 @@
             // TODO(b/305849394): Make InputMethodMenuController multi-user aware
             final int userId = mService.getCurrentImeUserIdLocked();
             mService.updateSystemUiLocked(userId);
-            mService.sendOnNavButtonFlagsChangedLocked();
+            mService.sendOnNavButtonFlagsChangedToAllImesLocked();
             mDialogBuilder = null;
             mIms = null;
         }
diff --git a/services/core/java/com/android/server/inputmethod/OverlayableSystemBooleanResourceWrapper.java b/services/core/java/com/android/server/inputmethod/OverlayableSystemBooleanResourceWrapper.java
deleted file mode 100644
index 33e7a76..0000000
--- a/services/core/java/com/android/server/inputmethod/OverlayableSystemBooleanResourceWrapper.java
+++ /dev/null
@@ -1,159 +0,0 @@
-/*
- * Copyright (C) 2022 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.server.inputmethod;
-
-import static android.content.Intent.ACTION_OVERLAY_CHANGED;
-
-import android.annotation.AnyThread;
-import android.annotation.BoolRes;
-import android.annotation.NonNull;
-import android.annotation.UserHandleAware;
-import android.annotation.UserIdInt;
-import android.content.BroadcastReceiver;
-import android.content.Context;
-import android.content.Intent;
-import android.content.IntentFilter;
-import android.content.pm.PackageManager;
-import android.os.Handler;
-import android.os.PatternMatcher;
-import android.util.Slog;
-
-import java.util.concurrent.atomic.AtomicBoolean;
-import java.util.concurrent.atomic.AtomicReference;
-import java.util.function.Consumer;
-
-/**
- * A wrapper object for any boolean resource defined in {@code "android"} package, in a way that is
- * aware of per-user Runtime Resource Overlay (RRO).
- */
-final class OverlayableSystemBooleanResourceWrapper implements AutoCloseable {
-    private static final String TAG = "OverlayableSystemBooleanResourceWrapper";
-
-    private static final String SYSTEM_PACKAGE_NAME = "android";
-
-    @UserIdInt
-    private final int mUserId;
-    @NonNull
-    private final AtomicBoolean mValueRef;
-    @NonNull
-    private final AtomicReference<Runnable> mCleanerRef;
-
-    /**
-     * Creates {@link OverlayableSystemBooleanResourceWrapper} for the given boolean resource ID
-     * with a value change callback for the user associated with the {@link Context}.
-     *
-     * @param userContext The {@link Context} to be used to access the resource. This needs to be
-     *                    associated with the right user because the Runtime Resource Overlay (RRO)
-     *                    is per-user configuration.
-     * @param boolResId The resource ID to be queried.
-     * @param handler {@link Handler} to be used to dispatch {@code callback}.
-     * @param callback The callback to be notified when the specified value might be updated.
-     *                 The callback needs to take care of spurious wakeup. The value returned from
-     *                 {@link #get()} may look to be exactly the same as the previously read value
-     *                 e.g. when the value is changed from {@code false} to {@code true} to
-     *                 {@code false} in a very short period of time, because {@link #get()} always
-     *                 does volatile-read.
-     * @return New {@link OverlayableSystemBooleanResourceWrapper}.
-     */
-    @NonNull
-    @UserHandleAware
-    static OverlayableSystemBooleanResourceWrapper create(@NonNull Context userContext,
-            @BoolRes int boolResId, @NonNull Handler handler,
-            @NonNull Consumer<OverlayableSystemBooleanResourceWrapper> callback) {
-
-        // Note that we cannot fully trust this initial value due to the dead time between obtaining
-        // the value here and setting up a broadcast receiver for change callback below.
-        // We will refresh the value again later after setting up the change callback anyway.
-        final AtomicBoolean valueRef = new AtomicBoolean(evaluate(userContext, boolResId));
-
-        final AtomicReference<Runnable> cleanerRef = new AtomicReference<>();
-
-        final OverlayableSystemBooleanResourceWrapper object =
-                new OverlayableSystemBooleanResourceWrapper(userContext.getUserId(), valueRef,
-                        cleanerRef);
-
-        final IntentFilter intentFilter = new IntentFilter(ACTION_OVERLAY_CHANGED);
-        intentFilter.addDataScheme(IntentFilter.SCHEME_PACKAGE);
-        intentFilter.addDataSchemeSpecificPart(SYSTEM_PACKAGE_NAME, PatternMatcher.PATTERN_LITERAL);
-
-        final BroadcastReceiver broadcastReceiver = new BroadcastReceiver() {
-            @Override
-            public void onReceive(Context context, Intent intent) {
-                final boolean newValue = evaluate(userContext, boolResId);
-                if (newValue != valueRef.getAndSet(newValue)) {
-                    callback.accept(object);
-                }
-            }
-        };
-        userContext.registerReceiver(broadcastReceiver, intentFilter,
-                null /* broadcastPermission */, handler,
-                Context.RECEIVER_NOT_EXPORTED);
-        cleanerRef.set(() -> userContext.unregisterReceiver(broadcastReceiver));
-
-        // Make sure that the initial observable value is obtained after the change callback is set.
-        valueRef.set(evaluate(userContext, boolResId));
-        return object;
-    }
-
-    private OverlayableSystemBooleanResourceWrapper(@UserIdInt int userId,
-            @NonNull AtomicBoolean valueRef, @NonNull AtomicReference<Runnable> cleanerRef) {
-        mUserId = userId;
-        mValueRef = valueRef;
-        mCleanerRef = cleanerRef;
-    }
-
-    /**
-     * @return The boolean resource value.
-     */
-    @AnyThread
-    boolean get() {
-        return mValueRef.get();
-    }
-
-    /**
-     * @return The user ID associated with this resource reader.
-     */
-    @AnyThread
-    @UserIdInt
-    int getUserId() {
-        return mUserId;
-    }
-
-    @AnyThread
-    private static boolean evaluate(@NonNull Context context, @BoolRes int boolResId) {
-        try {
-            return context.getPackageManager()
-                    .getResourcesForApplication(SYSTEM_PACKAGE_NAME)
-                    .getBoolean(boolResId);
-        } catch (PackageManager.NameNotFoundException e) {
-            Slog.e(TAG, "getResourcesForApplication(\"" + SYSTEM_PACKAGE_NAME + "\") failed", e);
-            return false;
-        }
-    }
-
-    /**
-     * Cleans up the callback.
-     */
-    @AnyThread
-    @Override
-    public void close() {
-        final Runnable cleaner = mCleanerRef.getAndSet(null);
-        if (cleaner != null) {
-            cleaner.run();
-        }
-    }
-}
diff --git a/services/core/java/com/android/server/inputmethod/UserDataRepository.java b/services/core/java/com/android/server/inputmethod/UserDataRepository.java
index 98d7548..7c68d54 100644
--- a/services/core/java/com/android/server/inputmethod/UserDataRepository.java
+++ b/services/core/java/com/android/server/inputmethod/UserDataRepository.java
@@ -29,6 +29,7 @@
 import com.android.internal.inputmethod.IRemoteAccessibilityInputConnection;
 import com.android.internal.inputmethod.IRemoteInputConnection;
 
+import java.util.concurrent.atomic.AtomicBoolean;
 import java.util.concurrent.locks.ReentrantReadWriteLock;
 import java.util.function.Consumer;
 import java.util.function.IntFunction;
@@ -181,6 +182,12 @@
         String mLastEnabledInputMethodsStr = "";
 
         /**
+         * {@code true} when the IME is responsible for drawing the navigation bar and its buttons.
+         */
+        @NonNull
+        final AtomicBoolean mImeDrawsNavBar = new AtomicBoolean();
+
+        /**
          * Intended to be instantiated only from this file.
          */
         private UserData(@UserIdInt int userId,
diff --git a/services/core/java/com/android/server/om/OverlayManagerService.java b/services/core/java/com/android/server/om/OverlayManagerService.java
index 56e4590..46585a5 100644
--- a/services/core/java/com/android/server/om/OverlayManagerService.java
+++ b/services/core/java/com/android/server/om/OverlayManagerService.java
@@ -80,6 +80,7 @@
 import android.util.Slog;
 import android.util.SparseArray;
 
+import com.android.internal.annotations.KeepForWeakReference;
 import com.android.internal.content.PackageMonitor;
 import com.android.internal.content.om.OverlayConfig;
 import com.android.internal.util.ArrayUtils;
@@ -261,6 +262,7 @@
 
     private final OverlayActorEnforcer mActorEnforcer;
 
+    @KeepForWeakReference
     private final PackageMonitor mPackageMonitor = new OverlayManagerPackageMonitor();
 
     private int mPrevStartedUserId = -1;
diff --git a/services/core/java/com/android/server/power/PowerManagerService.java b/services/core/java/com/android/server/power/PowerManagerService.java
index ce0120c..6fe1ccd 100644
--- a/services/core/java/com/android/server/power/PowerManagerService.java
+++ b/services/core/java/com/android/server/power/PowerManagerService.java
@@ -33,6 +33,7 @@
 
 import static com.android.internal.util.LatencyTracker.ACTION_TURN_ON_SCREEN;
 import static com.android.server.deviceidle.Flags.disableWakelocksInLightIdle;
+import static com.android.server.display.DisplayDeviceConfig.INVALID_BRIGHTNESS_IN_CONFIG;
 
 import android.annotation.IntDef;
 import android.annotation.NonNull;
@@ -239,9 +240,6 @@
     // This should perhaps be a setting.
     private static final int SCREEN_BRIGHTNESS_BOOST_TIMEOUT = 5 * 1000;
 
-    // Float.NaN cannot be stored in config.xml so -2 is used instead
-    private static final float INVALID_BRIGHTNESS_IN_CONFIG = -2f;
-
     // How long a partial wake lock must be held until we consider it a long wake lock.
     static final long MIN_LONG_WAKE_CHECK_INTERVAL = 60*1000;
 
@@ -619,7 +617,6 @@
     public final float mScreenBrightnessMinimum;
     public final float mScreenBrightnessMaximum;
     public final float mScreenBrightnessDefault;
-    public final float mScreenBrightnessDoze;
     public final float mScreenBrightnessDim;
 
     // Value we store for tracking face down behavior.
@@ -1219,8 +1216,6 @@
                 .config_screenBrightnessSettingMaximumFloat);
         final float def = mContext.getResources().getFloat(com.android.internal.R.dimen
                 .config_screenBrightnessSettingDefaultFloat);
-        final float doze = mContext.getResources().getFloat(com.android.internal.R.dimen
-                .config_screenBrightnessDozeFloat);
         final float dim = mContext.getResources().getFloat(com.android.internal.R.dimen
                 .config_screenBrightnessDimFloat);
 
@@ -1240,13 +1235,6 @@
             mScreenBrightnessMaximum = max;
             mScreenBrightnessDefault = def;
         }
-        if (doze == INVALID_BRIGHTNESS_IN_CONFIG) {
-            mScreenBrightnessDoze = BrightnessSynchronizer.brightnessIntToFloat(
-                    mContext.getResources().getInteger(com.android.internal.R.integer
-                            .config_screenBrightnessDoze));
-        } else {
-            mScreenBrightnessDoze = doze;
-        }
         if (dim == INVALID_BRIGHTNESS_IN_CONFIG) {
             mScreenBrightnessDim = BrightnessSynchronizer.brightnessIntToFloat(
                     mContext.getResources().getInteger(com.android.internal.R.integer
@@ -6090,8 +6078,6 @@
                     return mScreenBrightnessDefault;
                 case PowerManager.BRIGHTNESS_CONSTRAINT_TYPE_DIM:
                     return mScreenBrightnessDim;
-                case PowerManager.BRIGHTNESS_CONSTRAINT_TYPE_DOZE:
-                    return mScreenBrightnessDoze;
                 default:
                     return PowerManager.BRIGHTNESS_INVALID_FLOAT;
             }
diff --git a/services/core/java/com/android/server/stats/pull/StatsPullAtomService.java b/services/core/java/com/android/server/stats/pull/StatsPullAtomService.java
index dfccd1a..bca81f52 100644
--- a/services/core/java/com/android/server/stats/pull/StatsPullAtomService.java
+++ b/services/core/java/com/android/server/stats/pull/StatsPullAtomService.java
@@ -1283,7 +1283,7 @@
             }
             case FrameworkStatsLog.PROXY_BYTES_TRANSFER_BY_FG_BG: {
                 final NetworkStats stats = getUidNetworkStatsSnapshotForTemplate(
-                        new NetworkTemplate.Builder(MATCH_PROXY).build(),  /*includeTags=*/true);
+                        new NetworkTemplate.Builder(MATCH_PROXY).build(),  /*includeTags=*/false);
                 if (stats != null) {
                     ret.add(new NetworkStatsExt(sliceNetworkStatsByUidTagAndMetered(stats),
                             new int[]{TRANSPORT_BLUETOOTH},
diff --git a/services/core/java/com/android/server/wm/ActivityRecord.java b/services/core/java/com/android/server/wm/ActivityRecord.java
index 8768074..3076b87 100644
--- a/services/core/java/com/android/server/wm/ActivityRecord.java
+++ b/services/core/java/com/android/server/wm/ActivityRecord.java
@@ -7173,7 +7173,7 @@
                 Slog.v(TAG, "Eval win " + w + ": isDrawn=" + w.isDrawn()
                         + ", isAnimationSet=" + isAnimationSet);
                 if (!w.isDrawn()) {
-                    Slog.v(TAG, "Not displayed: s=" + winAnimator.mSurfaceController
+                    Slog.v(TAG, "Not displayed: s=" + winAnimator.mSurfaceControl
                             + " pv=" + w.isVisibleByPolicy()
                             + " mDrawState=" + winAnimator.drawStateToString()
                             + " ph=" + w.isParentWindowHidden() + " th=" + mVisibleRequested
diff --git a/services/core/java/com/android/server/wm/ActivityTaskManagerService.java b/services/core/java/com/android/server/wm/ActivityTaskManagerService.java
index 59b5da8..ff46b33 100644
--- a/services/core/java/com/android/server/wm/ActivityTaskManagerService.java
+++ b/services/core/java/com/android/server/wm/ActivityTaskManagerService.java
@@ -4709,6 +4709,10 @@
         // Update stored global config and notify everyone about the change.
         mRootWindowContainer.onConfigurationChanged(mTempConfig);
         Trace.traceEnd(TRACE_TAG_WINDOW_MANAGER);
+        if ((changes & ActivityInfo.CONFIG_ORIENTATION) != 0) {
+            FrameworkStatsLog.write(FrameworkStatsLog.DEVICE_ORIENTATION_CHANGED,
+                    values.orientation);
+        }
 
         Trace.traceEnd(TRACE_TAG_WINDOW_MANAGER);
         return changes;
diff --git a/services/core/java/com/android/server/wm/DisplayContent.java b/services/core/java/com/android/server/wm/DisplayContent.java
index 3652c4d..9371149 100644
--- a/services/core/java/com/android/server/wm/DisplayContent.java
+++ b/services/core/java/com/android/server/wm/DisplayContent.java
@@ -4082,12 +4082,12 @@
         final Transaction t = mWmService.mTransactionFactory.get();
         forAllWindows(w -> {
             final WindowStateAnimator wsa = w.mWinAnimator;
-            if (wsa.mSurfaceController == null) {
+            if (wsa.mSurfaceControl == null) {
                 return;
             }
             if (!mWmService.mSessions.contains(wsa.mSession)) {
                 Slog.w(TAG_WM, "LEAKED SURFACE (session doesn't exist): "
-                        + w + " surface=" + wsa.mSurfaceController
+                        + w + " surface=" + wsa.mSurfaceControl
                         + " token=" + w.mToken
                         + " pid=" + w.mSession.mPid
                         + " uid=" + w.mSession.mUid);
@@ -4096,7 +4096,7 @@
                 mTmpWindow = w;
             } else if (w.mActivityRecord != null && !w.mActivityRecord.isClientVisible()) {
                 Slog.w(TAG_WM, "LEAKED SURFACE (app token hidden): "
-                        + w + " surface=" + wsa.mSurfaceController
+                        + w + " surface=" + wsa.mSurfaceControl
                         + " token=" + w.mActivityRecord);
                 ProtoLog.i(WM_SHOW_TRANSACTIONS, "SURFACE LEAK DESTROY: %s", w);
                 wsa.destroySurface(t);
diff --git a/services/core/java/com/android/server/wm/InputMonitor.java b/services/core/java/com/android/server/wm/InputMonitor.java
index 74dbd15..b496a65 100644
--- a/services/core/java/com/android/server/wm/InputMonitor.java
+++ b/services/core/java/com/android/server/wm/InputMonitor.java
@@ -623,7 +623,7 @@
                     // occlusion detection depending on the type or if it's a trusted overlay.
                     populateOverlayInputInfo(inputWindowHandle, w);
                     setInputWindowInfoIfNeeded(mInputTransaction,
-                            w.mWinAnimator.mSurfaceController.mSurfaceControl, inputWindowHandle);
+                            w.mWinAnimator.mSurfaceControl, inputWindowHandle);
                     return;
                 }
                 // Skip this window because it cannot possibly receive input.
@@ -687,7 +687,7 @@
             if (w.mWinAnimator.hasSurface()) {
                 populateInputWindowHandle(inputWindowHandle, w);
                 setInputWindowInfoIfNeeded(mInputTransaction,
-                        w.mWinAnimator.mSurfaceController.mSurfaceControl, inputWindowHandle);
+                        w.mWinAnimator.mSurfaceControl, inputWindowHandle);
             }
         }
     }
diff --git a/services/core/java/com/android/server/wm/RootWindowContainer.java b/services/core/java/com/android/server/wm/RootWindowContainer.java
index 99697de..f2ccbc4 100644
--- a/services/core/java/com/android/server/wm/RootWindowContainer.java
+++ b/services/core/java/com/android/server/wm/RootWindowContainer.java
@@ -667,7 +667,7 @@
 
     boolean reclaimSomeSurfaceMemory(WindowStateAnimator winAnimator, String operation,
             boolean secure) {
-        final WindowSurfaceController surfaceController = winAnimator.mSurfaceController;
+        final SurfaceControl surfaceControl = winAnimator.mSurfaceControl;
         boolean leakedSurface = false;
         boolean killedApps = false;
         EventLogTags.writeWmNoSurfaceMemory(winAnimator.mWin.toString(),
@@ -692,7 +692,7 @@
                             return;
                         }
                         final WindowStateAnimator wsa = w.mWinAnimator;
-                        if (wsa.mSurfaceController != null) {
+                        if (wsa.mSurfaceControl != null) {
                             pidCandidates.append(wsa.mSession.mPid, wsa.mSession.mPid);
                         }
                     }, false /* traverseTopToBottom */);
@@ -717,7 +717,7 @@
                 // app to request another one.
                 Slog.w(TAG_WM,
                         "Looks like we have reclaimed some memory, clearing surface for retry.");
-                if (surfaceController != null) {
+                if (surfaceControl != null) {
                     ProtoLog.i(WM_SHOW_SURFACE_ALLOC,
                             "SURFACE RECOVER DESTROY: %s", winAnimator.mWin);
                     SurfaceControl.Transaction t = mWmService.mTransactionFactory.get();
diff --git a/services/core/java/com/android/server/wm/ScreenRotationAnimation.java b/services/core/java/com/android/server/wm/ScreenRotationAnimation.java
index 31fda77..db0374e 100644
--- a/services/core/java/com/android/server/wm/ScreenRotationAnimation.java
+++ b/services/core/java/com/android/server/wm/ScreenRotationAnimation.java
@@ -324,7 +324,7 @@
             if (!w.mToken.mRoundedCornerOverlay || !w.isVisible() || !w.mWinAnimator.hasSurface()) {
                 return;
             }
-            t.setSkipScreenshot(w.mWinAnimator.mSurfaceController.mSurfaceControl, skipScreenshot);
+            t.setSkipScreenshot(w.mWinAnimator.mSurfaceControl, skipScreenshot);
         }, false);
         if (!skipScreenshot) {
             // Use sync apply to apply the change immediately, so that the next
diff --git a/services/core/java/com/android/server/wm/Session.java b/services/core/java/com/android/server/wm/Session.java
index 75e3e65..f5108f5b 100644
--- a/services/core/java/com/android/server/wm/Session.java
+++ b/services/core/java/com/android/server/wm/Session.java
@@ -109,8 +109,8 @@
     private final String mStringName;
     SurfaceSession mSurfaceSession;
     private final ArrayList<WindowState> mAddedWindows = new ArrayList<>();
-    /** Set of visible alert/app-overlay window surfaces connected to this session. */
-    private final ArraySet<WindowSurfaceController> mAlertWindowSurfaces = new ArraySet<>();
+    /** Set of visible alert/app-overlay windows connected to this session. */
+    private final ArraySet<WindowState> mAlertWindows = new ArraySet<>();
     private final DragDropController mDragDropController;
     final boolean mCanAddInternalSystemWindow;
     boolean mCanForceShowingInsets;
@@ -769,9 +769,8 @@
         return !mAddedWindows.isEmpty();
     }
 
-    void onWindowSurfaceVisibilityChanged(WindowSurfaceController surfaceController,
-            boolean visible, int type) {
-
+    void onWindowSurfaceVisibilityChanged(WindowState window, boolean visible) {
+        final int type = window.mAttrs.type;
         if (!isSystemAlertWindowType(type)) {
             return;
         }
@@ -782,7 +781,7 @@
         final boolean noSystemOverlayPermission =
                 !mCanAddInternalSystemWindow && !mCanCreateSystemApplicationOverlay;
         if (visible) {
-            changed = mAlertWindowSurfaces.add(surfaceController);
+            changed = mAlertWindows.add(window);
             if (type == TYPE_APPLICATION_OVERLAY) {
                 MetricsLoggerWrapper.logAppOverlayEnter(mUid, mPackageName, changed, type,
                         false /* set false to only log for TYPE_APPLICATION_OVERLAY */);
@@ -791,7 +790,7 @@
                         true /* only log for non-TYPE_APPLICATION_OVERLAY */);
             }
         } else {
-            changed = mAlertWindowSurfaces.remove(surfaceController);
+            changed = mAlertWindows.remove(window);
             if (type == TYPE_APPLICATION_OVERLAY) {
                 MetricsLoggerWrapper.logAppOverlayExit(mUid, mPackageName, changed, type,
                         false /* set false to only log for TYPE_APPLICATION_OVERLAY */);
@@ -802,7 +801,7 @@
         }
 
         if (changed && noSystemOverlayPermission) {
-            if (mAlertWindowSurfaces.isEmpty()) {
+            if (mAlertWindows.isEmpty()) {
                 cancelAlertWindowNotification();
             } else if (mAlertWindowNotification == null && !isSatellitePointingUiPackage()) {
                 mAlertWindowNotification = new AlertWindowNotification(mService, mPackageName);
@@ -815,7 +814,7 @@
         if (changed && mPid != WindowManagerService.MY_PID) {
             // Notify activity manager that the process contains overlay/alert windows, so it can
             // adjust the importance score for the process.
-            setHasOverlayUi(!mAlertWindowSurfaces.isEmpty());
+            setHasOverlayUi(!mAlertWindows.isEmpty());
         }
     }
 
@@ -859,7 +858,7 @@
         }
         mSurfaceSession = null;
         mAddedWindows.clear();
-        mAlertWindowSurfaces.clear();
+        mAlertWindows.clear();
         setHasOverlayUi(false);
         cancelAlertWindowNotification();
     }
@@ -880,7 +879,7 @@
     void dump(PrintWriter pw, String prefix) {
         pw.print(prefix); pw.print("numWindow="); pw.print(mAddedWindows.size());
                 pw.print(" mCanAddInternalSystemWindow="); pw.print(mCanAddInternalSystemWindow);
-                pw.print(" mAlertWindowSurfaces="); pw.print(mAlertWindowSurfaces);
+                pw.print(" mAlertWindows="); pw.print(mAlertWindows);
                 pw.print(" mClientDead="); pw.print(mClientDead);
                 pw.print(" mSurfaceSession="); pw.println(mSurfaceSession);
         pw.print(prefix); pw.print("mPackageName="); pw.println(mPackageName);
@@ -896,9 +895,9 @@
 
     /** @return {@code true} if there is an alert window surface on the given display. */
     boolean hasAlertWindowSurfaces(DisplayContent displayContent) {
-        for (int i = mAlertWindowSurfaces.size() - 1; i >= 0; i--) {
-            final WindowSurfaceController surfaceController = mAlertWindowSurfaces.valueAt(i);
-            if (surfaceController.mAnimator.mWin.getDisplayContent() == displayContent) {
+        for (int i = mAlertWindows.size() - 1; i >= 0; i--) {
+            final WindowState window = mAlertWindows.valueAt(i);
+            if (window.mDisplayContent == displayContent) {
                 return true;
             }
         }
diff --git a/services/core/java/com/android/server/wm/TaskFragmentOrganizerController.java b/services/core/java/com/android/server/wm/TaskFragmentOrganizerController.java
index 439c7bb..561ff7d 100644
--- a/services/core/java/com/android/server/wm/TaskFragmentOrganizerController.java
+++ b/services/core/java/com/android/server/wm/TaskFragmentOrganizerController.java
@@ -1169,16 +1169,6 @@
         }
     }
 
-    @Override
-    public boolean isActivityEmbedded(IBinder activityToken) {
-        synchronized (mGlobalLock) {
-            final ActivityRecord activity = ActivityRecord.forTokenLocked(activityToken);
-            return activity != null
-                    ? activity.isEmbeddedInHostContainer()
-                    : false;
-        }
-    }
-
     @VisibleForTesting
     @NonNull
     IApplicationThread getAppThread(int pid, int uid) {
diff --git a/services/core/java/com/android/server/wm/TransparentPolicy.java b/services/core/java/com/android/server/wm/TransparentPolicy.java
index 3044abd..cdb14ab 100644
--- a/services/core/java/com/android/server/wm/TransparentPolicy.java
+++ b/services/core/java/com/android/server/wm/TransparentPolicy.java
@@ -162,10 +162,6 @@
         mTransparentPolicyState.clearInheritedCompatDisplayInsets();
     }
 
-    TransparentPolicyState getTransparentPolicyState() {
-        return mTransparentPolicyState;
-    }
-
     /**
      * In case of translucent activities, it consumes the {@link ActivityRecord} of the first opaque
      * activity beneath using the given consumer and returns {@code true}.
@@ -176,7 +172,7 @@
 
     @NonNull
     Optional<ActivityRecord> getFirstOpaqueActivity() {
-        return isRunning() ? Optional.of(mTransparentPolicyState.mFirstOpaqueActivity)
+        return isRunning() ? Optional.ofNullable(mTransparentPolicyState.mFirstOpaqueActivity)
                 : Optional.empty();
     }
 
@@ -216,10 +212,6 @@
                 SMALLEST_SCREEN_WIDTH_DP_UNDEFINED;
     }
 
-    private void inheritConfiguration(ActivityRecord firstOpaque) {
-        mTransparentPolicyState.inheritFromOpaque(firstOpaque);
-    }
-
     /**
      * Encapsulate the state for the current translucent activity when the transparent policy
      * has started.
diff --git a/services/core/java/com/android/server/wm/WindowManagerService.java b/services/core/java/com/android/server/wm/WindowManagerService.java
index 700c069..ebbf6e3 100644
--- a/services/core/java/com/android/server/wm/WindowManagerService.java
+++ b/services/core/java/com/android/server/wm/WindowManagerService.java
@@ -2570,7 +2570,7 @@
                         // surface, let the client use that, but don't create new surface at this
                         // point.
                         Trace.traceBegin(TRACE_TAG_WINDOW_MANAGER, "relayoutWindow: getSurface");
-                        winAnimator.mSurfaceController.getSurfaceControl(outSurfaceControl);
+                        winAnimator.getSurfaceControl(outSurfaceControl);
                         Trace.traceEnd(TRACE_TAG_WINDOW_MANAGER);
                     } else {
                         if (DEBUG_VISIBILITY) Slog.i(TAG_WM, "Releasing surface in: " + win);
@@ -2766,15 +2766,15 @@
             result |= RELAYOUT_RES_SURFACE_CHANGED;
         }
 
-        WindowSurfaceController surfaceController;
+        SurfaceControl surfaceControl;
         try {
             Trace.traceBegin(TRACE_TAG_WINDOW_MANAGER, "createSurfaceControl");
-            surfaceController = winAnimator.createSurfaceLocked();
+            surfaceControl = winAnimator.createSurfaceLocked();
         } finally {
             Trace.traceEnd(TRACE_TAG_WINDOW_MANAGER);
         }
-        if (surfaceController != null) {
-            surfaceController.getSurfaceControl(outSurfaceControl);
+        if (surfaceControl != null) {
+            winAnimator.getSurfaceControl(outSurfaceControl);
             ProtoLog.i(WM_SHOW_TRANSACTIONS, "OUT SURFACE %s: copied", outSurfaceControl);
 
         } else {
@@ -6773,11 +6773,11 @@
             if (windowState == null) {
                 return false;
             }
-            WindowSurfaceController surfaceController = windowState.mWinAnimator.mSurfaceController;
-            if (surfaceController == null) {
+            final SurfaceControl surfaceControl = windowState.mWinAnimator.mSurfaceControl;
+            if (surfaceControl == null) {
                 return false;
             }
-            return surfaceController.clearWindowContentFrameStats();
+            return surfaceControl.clearContentFrameStats();
         }
     }
 
@@ -6792,15 +6792,15 @@
             if (windowState == null) {
                 return null;
             }
-            WindowSurfaceController surfaceController = windowState.mWinAnimator.mSurfaceController;
-            if (surfaceController == null) {
+            final SurfaceControl surfaceControl = windowState.mWinAnimator.mSurfaceControl;
+            if (surfaceControl == null) {
                 return null;
             }
             if (mTempWindowRenderStats == null) {
                 mTempWindowRenderStats = new WindowContentFrameStats();
             }
             WindowContentFrameStats stats = mTempWindowRenderStats;
-            if (!surfaceController.getWindowContentFrameStats(stats)) {
+            if (!surfaceControl.getContentFrameStats(stats)) {
                 return null;
             }
             return stats;
diff --git a/services/core/java/com/android/server/wm/WindowState.java b/services/core/java/com/android/server/wm/WindowState.java
index 390e34c..9ebb89d 100644
--- a/services/core/java/com/android/server/wm/WindowState.java
+++ b/services/core/java/com/android/server/wm/WindowState.java
@@ -1501,7 +1501,7 @@
             if (isDrawn()) {
                 ProtoLog.v(WM_DEBUG_ORIENTATION,
                         "Orientation not waiting for draw in %s, surfaceController %s", this,
-                        winAnimator.mSurfaceController);
+                        winAnimator.mSurfaceControl);
                 setOrientationChanging(false);
                 mLastFreezeDuration = (int)(SystemClock.elapsedRealtime()
                         - mWmService.mDisplayFreezeTime);
@@ -2425,7 +2425,7 @@
 
         ProtoLog.v(WM_DEBUG_FOCUS, "Remove client=%x, surfaceController=%s Callers=%s",
                     System.identityHashCode(mClient.asBinder()),
-                    mWinAnimator.mSurfaceController,
+                    mWinAnimator.mSurfaceControl,
                     Debug.getCallers(5));
 
         final DisplayContent displayContent = getDisplayContent();
@@ -2436,10 +2436,10 @@
             mOnBackInvokedCallbackInfo = null;
 
             ProtoLog.v(WM_DEBUG_APP_TRANSITIONS,
-                    "Remove %s: mSurfaceController=%s mAnimatingExit=%b mRemoveOnExit=%b "
+                    "Remove %s: mSurfaceControl=%s mAnimatingExit=%b mRemoveOnExit=%b "
                             + "mHasSurface=%b surfaceShowing=%b animating=%b app-animation=%b "
                             + "mDisplayFrozen=%b callers=%s",
-                    this, mWinAnimator.mSurfaceController, mAnimatingExit, mRemoveOnExit,
+                    this, mWinAnimator.mSurfaceControl, mAnimatingExit, mRemoveOnExit,
                     mHasSurface, mWinAnimator.getShown(),
                     isAnimating(TRANSITION | PARENTS),
                     mActivityRecord != null && mActivityRecord.isAnimating(PARENTS | TRANSITION),
@@ -2616,7 +2616,7 @@
                     + isVisibleRequestedOrAdding() + " isVisible: " + (isVisible()
                     && mActivityRecord != null && mActivityRecord.isVisible()));
             if (!isVisibleRequestedOrAdding()) {
-                Slog.i(TAG_WM, "  mSurfaceController=" + mWinAnimator.mSurfaceController
+                Slog.i(TAG_WM, "  mSurfaceControl=" + mWinAnimator.mSurfaceControl
                         + " relayoutCalled=" + mRelayoutCalled
                         + " viewVis=" + mViewVisibility
                         + " policyVis=" + isVisibleByPolicy()
@@ -4457,7 +4457,7 @@
 
             for (int i = mChildren.size() - 1; i >= 0; --i) {
                 final WindowState c = mChildren.get(i);
-                if (c.mWinAnimator.mSurfaceController != null) {
+                if (c.mWinAnimator.mSurfaceControl != null) {
                     c.performShowLocked();
                     // It hadn't been shown, which means layout not performed on it, so now we
                     // want to make sure to do a layout.  If called from within the transaction
@@ -4914,7 +4914,7 @@
             Slog.v(TAG, "Win " + this + ": isDrawn=" + isDrawn()
                     + ", animating=" + isAnimating(TRANSITION | PARENTS));
             if (!isDrawn()) {
-                Slog.v(TAG, "Not displayed: s=" + mWinAnimator.mSurfaceController
+                Slog.v(TAG, "Not displayed: s=" + mWinAnimator.mSurfaceControl
                         + " pv=" + isVisibleByPolicy()
                         + " mDrawState=" + mWinAnimator.mDrawState
                         + " ph=" + isParentWindowHidden()
@@ -5535,13 +5535,13 @@
             // been defined and so we can use static layers and leave it that way.
             if (w.mAttrs.type == TYPE_APPLICATION_MEDIA) {
                 if (mWinAnimator.hasSurface()) {
-                    w.assignRelativeLayer(t, mWinAnimator.mSurfaceController.mSurfaceControl, -2);
+                    w.assignRelativeLayer(t, mWinAnimator.mSurfaceControl, -2);
                 } else {
                     w.assignLayer(t, -2);
                 }
             } else if (w.mAttrs.type == TYPE_APPLICATION_MEDIA_OVERLAY) {
                 if (mWinAnimator.hasSurface()) {
-                    w.assignRelativeLayer(t, mWinAnimator.mSurfaceController.mSurfaceControl, -1);
+                    w.assignRelativeLayer(t, mWinAnimator.mSurfaceControl, -1);
                 } else {
                     w.assignLayer(t, -1);
                 }
@@ -5717,7 +5717,7 @@
     }
 
     SurfaceControl getClientViewRootSurface() {
-        return mWinAnimator.getSurfaceControl();
+        return mWinAnimator.mSurfaceControl;
     }
 
     /** Drops a buffer for this window's view-root from a transaction */
@@ -6117,11 +6117,10 @@
             }
             getPendingTransaction().setSecure(mSurfaceControl, isSecure);
         } else {
-            if (mWinAnimator.mSurfaceController == null
-                    || mWinAnimator.mSurfaceController.mSurfaceControl == null) {
+            if (mWinAnimator.mSurfaceControl == null) {
                 return;
             }
-            getPendingTransaction().setSecure(mWinAnimator.mSurfaceController.mSurfaceControl,
+            getPendingTransaction().setSecure(mWinAnimator.mSurfaceControl,
                     isSecure);
         }
         if (mDisplayContent != null) {
diff --git a/services/core/java/com/android/server/wm/WindowStateAnimator.java b/services/core/java/com/android/server/wm/WindowStateAnimator.java
index 397a6357..24a2a62 100644
--- a/services/core/java/com/android/server/wm/WindowStateAnimator.java
+++ b/services/core/java/com/android/server/wm/WindowStateAnimator.java
@@ -16,6 +16,10 @@
 
 package com.android.server.wm;
 
+import static android.os.Trace.TRACE_TAG_WINDOW_MANAGER;
+import static android.view.SurfaceControl.METADATA_OWNER_PID;
+import static android.view.SurfaceControl.METADATA_OWNER_UID;
+import static android.view.SurfaceControl.METADATA_WINDOW_TYPE;
 import static android.view.WindowManager.LayoutParams.FLAG_HARDWARE_ACCELERATED;
 import static android.view.WindowManager.LayoutParams.PRIVATE_FLAG_IS_ROUNDED_CORNERS_OVERLAY;
 import static android.view.WindowManager.LayoutParams.TYPE_APPLICATION_STARTING;
@@ -44,6 +48,7 @@
 import static com.android.server.wm.WindowStateAnimatorProto.DRAW_STATE;
 import static com.android.server.wm.WindowStateAnimatorProto.SURFACE;
 import static com.android.server.wm.WindowStateAnimatorProto.SYSTEM_DECOR_RECT;
+import static com.android.server.wm.WindowSurfaceControllerProto.SHOWN;
 import static com.android.window.flags.Flags.secureWindowState;
 import static com.android.window.flags.Flags.setScPropertiesInClient;
 
@@ -52,6 +57,7 @@
 import android.graphics.Rect;
 import android.os.Debug;
 import android.os.Trace;
+import android.util.EventLog;
 import android.util.Slog;
 import android.util.proto.ProtoOutputStream;
 import android.view.Surface.OutOfResourcesException;
@@ -95,12 +101,13 @@
     final Session mSession;
     final WindowManagerPolicy mPolicy;
     final Context mContext;
-    final boolean mIsWallpaper;
     private final WallpaperController mWallpaperControllerLocked;
 
     boolean mAnimationIsEntrance;
 
-    WindowSurfaceController mSurfaceController;
+    SurfaceControl mSurfaceControl;
+    private boolean mSurfaceShown;
+    private String mTitle;
 
     float mShownAlpha = 0;
     float mAlpha = 0;
@@ -164,7 +171,6 @@
         mWin = win;
         mSession = win.mSession;
         mAttrType = win.mAttrs.type;
-        mIsWallpaper = win.mIsWallpaper;
         mWallpaperControllerLocked = win.getDisplayContent().mWallpaperController;
     }
 
@@ -198,14 +204,30 @@
     }
 
     void hide(SurfaceControl.Transaction transaction, String reason) {
-        if (!mLastHidden) {
-            //dump();
-            mLastHidden = true;
-
-            if (mSurfaceController != null) {
-                mSurfaceController.hide(transaction, reason);
-            }
+        if (mLastHidden) {
+            return;
         }
+        mLastHidden = true;
+        if (mSurfaceControl == null || !mSurfaceShown) {
+            return;
+        }
+        ProtoLog.i(WM_SHOW_TRANSACTIONS, "SURFACE HIDE ( %s ): %s", reason, mTitle);
+
+        setShown(false);
+        transaction.hide(mSurfaceControl);
+        if (mWin.mIsWallpaper) {
+            final DisplayContent dc = mWin.getDisplayContent();
+            EventLog.writeEvent(EventLogTags.WM_WALLPAPER_SURFACE,
+                    dc.mDisplayId, 0 /* request hidden */,
+                    String.valueOf(dc.mWallpaperController.getWallpaperTarget()));
+        }
+    }
+
+    private void setShown(boolean surfaceShown) {
+        mSurfaceShown = surfaceShown;
+        mService.updateNonSystemOverlayWindowsVisibilityIfNeeded(mWin, surfaceShown);
+        mWin.onSurfaceShownChanged(surfaceShown);
+        mSession.onWindowSurfaceVisibilityChanged(mWin, mSurfaceShown);
     }
 
     boolean finishDrawingLocked(SurfaceControl.Transaction postDrawTransaction) {
@@ -221,7 +243,7 @@
         if (mDrawState == DRAW_PENDING) {
             ProtoLog.v(WM_DEBUG_DRAW,
                     "finishDrawingLocked: mDrawState=COMMIT_DRAW_PENDING %s in %s", mWin,
-                    mSurfaceController);
+                    mSurfaceControl);
             if (startingWindow) {
                 ProtoLog.v(WM_DEBUG_STARTING_WINDOW, "Draw state now committed in %s", mWin);
             }
@@ -248,7 +270,7 @@
             return false;
         }
         ProtoLog.i(WM_DEBUG_ANIM, "commitFinishDrawingLocked: mDrawState=READY_TO_SHOW %s",
-                mSurfaceController);
+                mSurfaceControl);
         mDrawState = READY_TO_SHOW;
         boolean result = false;
         final ActivityRecord activity = mWin.mActivityRecord;
@@ -271,11 +293,11 @@
         }
     }
 
-    WindowSurfaceController createSurfaceLocked() {
+    SurfaceControl createSurfaceLocked() {
         final WindowState w = mWin;
 
-        if (mSurfaceController != null) {
-            return mSurfaceController;
+        if (mSurfaceControl != null) {
+            return mSurfaceControl;
         }
 
         w.setHasSurface(false);
@@ -312,10 +334,22 @@
             final boolean isHwAccelerated = (attrs.flags & FLAG_HARDWARE_ACCELERATED) != 0;
             final int format = isHwAccelerated ? PixelFormat.TRANSLUCENT : attrs.format;
 
-            mSurfaceController = new WindowSurfaceController(attrs.getTitle().toString(), format,
-                    flags, this, attrs.type);
+            mTitle = attrs.getTitle().toString();
+            Trace.traceBegin(TRACE_TAG_WINDOW_MANAGER, "new SurfaceControl");
+            mSurfaceControl = mWin.makeSurface()
+                    .setParent(mWin.mSurfaceControl)
+                    .setName(mTitle)
+                    .setFormat(format)
+                    .setFlags(flags)
+                    .setMetadata(METADATA_WINDOW_TYPE, attrs.type)
+                    .setMetadata(METADATA_OWNER_UID, mSession.mUid)
+                    .setMetadata(METADATA_OWNER_PID, mSession.mPid)
+                    .setCallsite("WindowSurfaceController")
+                    .setBLASTLayer().build();
+            Trace.traceEnd(TRACE_TAG_WINDOW_MANAGER);
+
             if (!setScPropertiesInClient()) {
-                mSurfaceController.setColorSpaceAgnostic(w.getPendingTransaction(),
+                setColorSpaceAgnosticLocked(
                         (attrs.privateFlags & LayoutParams.PRIVATE_FLAG_COLOR_SPACE_AGNOSTIC) != 0);
             }
 
@@ -326,7 +360,7 @@
 
             ProtoLog.i(WM_SHOW_SURFACE_ALLOC,
                         "  CREATE SURFACE %s IN SESSION %s: pid=%d format=%d flags=0x%x / %s",
-                        mSurfaceController, mSession.mSurfaceSession, mSession.mPid, attrs.format,
+                    mSurfaceControl, mSession.mSurfaceSession, mSession.mPid, attrs.format,
                         flags, this);
         } catch (OutOfResourcesException e) {
             Slog.w(TAG, "OutOfResourcesException creating surface");
@@ -340,7 +374,7 @@
         }
 
         if (DEBUG) {
-            Slog.v(TAG, "Got surface: " + mSurfaceController
+            Slog.v(TAG, "Got surface: " + mSurfaceControl
                     + ", set left=" + w.getFrame().left + " top=" + w.getFrame().top);
         }
 
@@ -353,15 +387,19 @@
         mLastHidden = true;
 
         if (DEBUG) Slog.v(TAG, "Created surface " + this);
-        return mSurfaceController;
+        return mSurfaceControl;
     }
 
     boolean hasSurface() {
-        return mSurfaceController != null && mSurfaceController.hasSurface();
+        return mSurfaceControl != null;
+    }
+
+    void getSurfaceControl(SurfaceControl outSurfaceControl) {
+        outSurfaceControl.copyFrom(mSurfaceControl, "WindowStateAnimator.getSurfaceControl");
     }
 
     void destroySurfaceLocked(SurfaceControl.Transaction t) {
-        if (mSurfaceController == null) {
+        if (mSurfaceControl == null) {
             return;
         }
 
@@ -370,7 +408,7 @@
         try {
             if (DEBUG_VISIBILITY) {
                 logWithStack(TAG, "Window " + this + " destroying surface "
-                        + mSurfaceController + ", session " + mSession);
+                        + mSurfaceControl + ", session " + mSession);
             }
             ProtoLog.i(WM_SHOW_SURFACE_ALLOC, "SURFACE DESTROY: %s. %s",
                     mWin, new RuntimeException().fillInStackTrace());
@@ -384,23 +422,13 @@
             }
         } catch (RuntimeException e) {
             Slog.w(TAG, "Exception thrown when destroying Window " + this
-                    + " surface " + mSurfaceController + " session " + mSession + ": "
+                    + " surface " + mSurfaceControl + " session " + mSession + ": "
                     + e.toString());
         }
-
-        // Whether the surface was preserved (and copied to mPendingDestroySurface) or not, it
-        // needs to be cleared to match the WindowState.mHasSurface state. It is also necessary
-        // so it can be recreated successfully in mPendingDestroySurface case.
-        mWin.setHasSurface(false);
-        if (mSurfaceController != null) {
-            mSurfaceController.setShown(false);
-        }
-        mSurfaceController = null;
-        mDrawState = NO_SURFACE;
     }
 
     void computeShownFrameLocked() {
-        if (mIsWallpaper && mService.mRoot.mWallpaperActionPending) {
+        if (mWin.mIsWallpaper && mService.mRoot.mWallpaperActionPending) {
             return;
         } else if (mWin.isDragResizeChanged()) {
             // This window is awaiting a relayout because user just started (or ended)
@@ -454,14 +482,13 @@
             mLastAlpha = mShownAlpha;
             ProtoLog.i(WM_SHOW_TRANSACTIONS,
                     "SURFACE controller=%s alpha=%f HScale=%f, VScale=%f: %s",
-                    mSurfaceController, mShownAlpha, w.mHScale, w.mVScale, w);
+                    mSurfaceControl, mShownAlpha, w.mHScale, w.mVScale, w);
 
-            boolean prepared =
-                mSurfaceController.prepareToShowInTransaction(t, mShownAlpha);
+            t.setAlpha(mSurfaceControl, mShownAlpha);
 
-            if (prepared && mDrawState == HAS_DRAWN) {
+            if (mDrawState == HAS_DRAWN) {
                 if (mLastHidden) {
-                    mSurfaceController.showRobustly(t);
+                    showRobustly(t);
                     mLastHidden = false;
                     final DisplayContent displayContent = w.getDisplayContent();
                     if (!displayContent.getLastHasContent()) {
@@ -494,18 +521,38 @@
         }
     }
 
-    void setOpaqueLocked(boolean isOpaque) {
-        if (mSurfaceController == null) {
+    private void showRobustly(SurfaceControl.Transaction t) {
+        if (mSurfaceShown) {
             return;
         }
-        mSurfaceController.setOpaque(isOpaque);
+
+        ProtoLog.i(WM_SHOW_TRANSACTIONS, "SURFACE SHOW (performLayout): %s", mTitle);
+        if (DEBUG_VISIBILITY) Slog.v(TAG, "Showing " + this + " during relayout");
+        setShown(true);
+        t.show(mSurfaceControl);
+        if (mWin.mIsWallpaper) {
+            final DisplayContent dc = mWin.mDisplayContent;
+            EventLog.writeEvent(EventLogTags.WM_WALLPAPER_SURFACE,
+                    dc.mDisplayId, 1 /* request shown */,
+                    String.valueOf(dc.mWallpaperController.getWallpaperTarget()));
+        }
+    }
+
+    void setOpaqueLocked(boolean isOpaque) {
+        if (mSurfaceControl == null) {
+            return;
+        }
+        ProtoLog.i(WM_SHOW_TRANSACTIONS, "SURFACE isOpaque=%b: %s", isOpaque, mTitle);
+        mWin.getPendingTransaction().setOpaque(mSurfaceControl, isOpaque);
+        mService.scheduleAnimationLocked();
     }
 
     void setColorSpaceAgnosticLocked(boolean agnostic) {
-        if (mSurfaceController == null) {
+        if (mSurfaceControl == null) {
             return;
         }
-        mSurfaceController.setColorSpaceAgnostic(mWin.getPendingTransaction(), agnostic);
+        ProtoLog.i(WM_SHOW_TRANSACTIONS, "SURFACE isColorSpaceAgnostic=%b: %s", agnostic, mTitle);
+        mWin.getPendingTransaction().setColorSpaceAgnostic(mSurfaceControl, agnostic);
     }
 
     void applyEnterAnimationLocked() {
@@ -521,7 +568,7 @@
         // should be controlled by ActivityRecord in general. Wallpaper is also excluded because
         // WallpaperController should handle it. Also skip play enter animation for the window
         // below starting window.
-        if (mAttrType != TYPE_BASE_APPLICATION && !mIsWallpaper
+        if (mAttrType != TYPE_BASE_APPLICATION && !mWin.mIsWallpaper
                 && !(mWin.mActivityRecord != null && mWin.mActivityRecord.hasStartingWindow())) {
             applyAnimationLocked(transit, true);
         }
@@ -614,8 +661,10 @@
 
     void dumpDebug(ProtoOutputStream proto, long fieldId) {
         final long token = proto.start(fieldId);
-        if (mSurfaceController != null) {
-            mSurfaceController.dumpDebug(proto, SURFACE);
+        if (mSurfaceControl != null) {
+            final long dumpToken = proto.start(SURFACE);
+            proto.write(SHOWN, mSurfaceShown);
+            proto.end(dumpToken);
         }
         proto.write(DRAW_STATE, mDrawState);
         mSystemDecorRect.dumpDebug(proto, SYSTEM_DECOR_RECT);
@@ -626,8 +675,11 @@
         if (mAnimationIsEntrance) {
             pw.print(prefix); pw.print(" mAnimationIsEntrance="); pw.print(mAnimationIsEntrance);
         }
-        if (mSurfaceController != null) {
-            mSurfaceController.dump(pw, prefix, dumpAll);
+        if (mSurfaceControl != null) {
+            if (dumpAll) {
+                pw.print(prefix); pw.print("mSurface="); pw.println(mSurfaceControl);
+            }
+            pw.print(prefix); pw.print("Surface: shown="); pw.print(mSurfaceShown);
         }
         if (dumpAll) {
             pw.print(prefix); pw.print("mDrawState="); pw.print(drawStateToString());
@@ -659,31 +711,24 @@
     }
 
     boolean getShown() {
-        if (mSurfaceController != null) {
-            return mSurfaceController.getShown();
-        }
-        return false;
+        return mSurfaceControl != null && mSurfaceShown;
     }
 
     void destroySurface(SurfaceControl.Transaction t) {
-        try {
-            if (mSurfaceController != null) {
-                mSurfaceController.destroy(t);
-            }
-        } catch (RuntimeException e) {
-            Slog.w(TAG, "Exception thrown when destroying surface " + this
-                    + " surface " + mSurfaceController + " session " + mSession + ": " + e);
-        } finally {
-            mWin.setHasSurface(false);
-            mSurfaceController = null;
-            mDrawState = NO_SURFACE;
+        if (mSurfaceControl == null) {
+            return;
         }
-    }
-
-    SurfaceControl getSurfaceControl() {
-        if (!hasSurface()) {
-            return null;
+        ProtoLog.i(WM_SHOW_SURFACE_ALLOC,
+                "Destroying surface %s called by %s", this, Debug.getCallers(8));
+        if (mWin.mIsWallpaper && !mWin.mWindowRemovalAllowed && !mWin.mRemoveOnExit) {
+            // The wallpaper surface should have the same lifetime as its window.
+            Slog.e(TAG, "Unexpected removing wallpaper surface of " + mWin
+                    + " by " + Debug.getCallers(8));
         }
-        return mSurfaceController.mSurfaceControl;
+        t.remove(mSurfaceControl);
+        setShown(false);
+        mSurfaceControl = null;
+        mWin.setHasSurface(false);
+        mDrawState = NO_SURFACE;
     }
 }
diff --git a/services/core/java/com/android/server/wm/WindowSurfaceController.java b/services/core/java/com/android/server/wm/WindowSurfaceController.java
deleted file mode 100644
index d9766e0..0000000
--- a/services/core/java/com/android/server/wm/WindowSurfaceController.java
+++ /dev/null
@@ -1,237 +0,0 @@
-/*
- * Copyright (C) 2015 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.server.wm;
-
-import static android.os.Trace.TRACE_TAG_WINDOW_MANAGER;
-import static android.view.SurfaceControl.METADATA_OWNER_PID;
-import static android.view.SurfaceControl.METADATA_OWNER_UID;
-import static android.view.SurfaceControl.METADATA_WINDOW_TYPE;
-
-import static com.android.internal.protolog.ProtoLogGroup.WM_SHOW_SURFACE_ALLOC;
-import static com.android.internal.protolog.ProtoLogGroup.WM_SHOW_TRANSACTIONS;
-import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_VISIBILITY;
-import static com.android.server.wm.WindowManagerDebugConfig.TAG_WITH_CLASS_NAME;
-import static com.android.server.wm.WindowManagerDebugConfig.TAG_WM;
-import static com.android.server.wm.WindowSurfaceControllerProto.SHOWN;
-
-import android.os.Debug;
-import android.os.Trace;
-import android.util.EventLog;
-import android.util.Slog;
-import android.util.proto.ProtoOutputStream;
-import android.view.SurfaceControl;
-import android.view.WindowContentFrameStats;
-
-import com.android.internal.protolog.ProtoLog;
-
-import java.io.PrintWriter;
-
-class WindowSurfaceController {
-    static final String TAG = TAG_WITH_CLASS_NAME ? "WindowSurfaceController" : TAG_WM;
-
-    final WindowStateAnimator mAnimator;
-
-    SurfaceControl mSurfaceControl;
-
-    // Should only be set from within setShown().
-    private boolean mSurfaceShown = false;
-
-    private final String title;
-
-    private final WindowManagerService mService;
-
-    private final int mWindowType;
-    private final Session mWindowSession;
-
-
-    WindowSurfaceController(String name, int format, int flags, WindowStateAnimator animator,
-            int windowType) {
-        mAnimator = animator;
-
-        title = name;
-
-        mService = animator.mService;
-        final WindowState win = animator.mWin;
-        mWindowType = windowType;
-        mWindowSession = win.mSession;
-
-        Trace.traceBegin(TRACE_TAG_WINDOW_MANAGER, "new SurfaceControl");
-        mSurfaceControl = win.makeSurface()
-                .setParent(win.getSurfaceControl())
-                .setName(name)
-                .setFormat(format)
-                .setFlags(flags)
-                .setMetadata(METADATA_WINDOW_TYPE, windowType)
-                .setMetadata(METADATA_OWNER_UID, mWindowSession.mUid)
-                .setMetadata(METADATA_OWNER_PID, mWindowSession.mPid)
-                .setCallsite("WindowSurfaceController")
-                .setBLASTLayer().build();
-
-        Trace.traceEnd(TRACE_TAG_WINDOW_MANAGER);
-    }
-
-    void hide(SurfaceControl.Transaction transaction, String reason) {
-        ProtoLog.i(WM_SHOW_TRANSACTIONS, "SURFACE HIDE ( %s ): %s", reason, title);
-
-        if (mSurfaceShown) {
-            hideSurface(transaction);
-        }
-    }
-
-    private void hideSurface(SurfaceControl.Transaction transaction) {
-        if (mSurfaceControl == null) {
-            return;
-        }
-        setShown(false);
-        try {
-            transaction.hide(mSurfaceControl);
-            if (mAnimator.mIsWallpaper) {
-                final DisplayContent dc = mAnimator.mWin.getDisplayContent();
-                EventLog.writeEvent(EventLogTags.WM_WALLPAPER_SURFACE,
-                        dc.mDisplayId, 0 /* request hidden */,
-                        String.valueOf(dc.mWallpaperController.getWallpaperTarget()));
-            }
-        } catch (RuntimeException e) {
-            Slog.w(TAG, "Exception hiding surface in " + this);
-        }
-    }
-
-    void destroy(SurfaceControl.Transaction t) {
-        ProtoLog.i(WM_SHOW_SURFACE_ALLOC,
-                "Destroying surface %s called by %s", this, Debug.getCallers(8));
-        try {
-            if (mSurfaceControl != null) {
-                if (mAnimator.mIsWallpaper && !mAnimator.mWin.mWindowRemovalAllowed
-                        && !mAnimator.mWin.mRemoveOnExit) {
-                    // The wallpaper surface should have the same lifetime as its window.
-                    Slog.e(TAG, "Unexpected removing wallpaper surface of " + mAnimator.mWin
-                            + " by " + Debug.getCallers(8));
-                }
-                t.remove(mSurfaceControl);
-            }
-        } catch (RuntimeException e) {
-            Slog.w(TAG, "Error destroying surface in: " + this, e);
-        } finally {
-            setShown(false);
-            mSurfaceControl = null;
-        }
-    }
-
-    boolean prepareToShowInTransaction(SurfaceControl.Transaction t, float alpha) {
-        if (mSurfaceControl == null) {
-            return false;
-        }
-
-        t.setAlpha(mSurfaceControl, alpha);
-        return true;
-    }
-
-    void setOpaque(boolean isOpaque) {
-        ProtoLog.i(WM_SHOW_TRANSACTIONS, "SURFACE isOpaque=%b: %s", isOpaque, title);
-
-        if (mSurfaceControl == null) {
-            return;
-        }
-
-        mAnimator.mWin.getPendingTransaction().setOpaque(mSurfaceControl, isOpaque);
-        mService.scheduleAnimationLocked();
-    }
-
-    void setColorSpaceAgnostic(SurfaceControl.Transaction t, boolean agnostic) {
-        ProtoLog.i(WM_SHOW_TRANSACTIONS, "SURFACE isColorSpaceAgnostic=%b: %s", agnostic, title);
-
-        if (mSurfaceControl == null) {
-            return;
-        }
-        t.setColorSpaceAgnostic(mSurfaceControl, agnostic);
-    }
-
-    void showRobustly(SurfaceControl.Transaction t) {
-        ProtoLog.i(WM_SHOW_TRANSACTIONS, "SURFACE SHOW (performLayout): %s", title);
-        if (DEBUG_VISIBILITY) Slog.v(TAG, "Showing " + this
-                + " during relayout");
-
-        if (mSurfaceShown) {
-            return;
-        }
-
-        setShown(true);
-        t.show(mSurfaceControl);
-        if (mAnimator.mIsWallpaper) {
-            final DisplayContent dc = mAnimator.mWin.getDisplayContent();
-            EventLog.writeEvent(EventLogTags.WM_WALLPAPER_SURFACE,
-                    dc.mDisplayId, 1 /* request shown */,
-                    String.valueOf(dc.mWallpaperController.getWallpaperTarget()));
-        }
-    }
-
-    boolean clearWindowContentFrameStats() {
-        if (mSurfaceControl == null) {
-            return false;
-        }
-        return mSurfaceControl.clearContentFrameStats();
-    }
-
-    boolean getWindowContentFrameStats(WindowContentFrameStats outStats) {
-        if (mSurfaceControl == null) {
-            return false;
-        }
-        return mSurfaceControl.getContentFrameStats(outStats);
-    }
-
-    boolean hasSurface() {
-        return mSurfaceControl != null;
-    }
-
-    void getSurfaceControl(SurfaceControl outSurfaceControl) {
-        outSurfaceControl.copyFrom(mSurfaceControl, "WindowSurfaceController.getSurfaceControl");
-    }
-
-    boolean getShown() {
-        return mSurfaceShown;
-    }
-
-    void setShown(boolean surfaceShown) {
-        mSurfaceShown = surfaceShown;
-
-        mService.updateNonSystemOverlayWindowsVisibilityIfNeeded(mAnimator.mWin, surfaceShown);
-
-        mAnimator.mWin.onSurfaceShownChanged(surfaceShown);
-
-        if (mWindowSession != null) {
-            mWindowSession.onWindowSurfaceVisibilityChanged(this, mSurfaceShown, mWindowType);
-        }
-    }
-
-    void dumpDebug(ProtoOutputStream proto, long fieldId) {
-        final long token = proto.start(fieldId);
-        proto.write(SHOWN, mSurfaceShown);
-        proto.end(token);
-    }
-
-    public void dump(PrintWriter pw, String prefix, boolean dumpAll) {
-        if (dumpAll) {
-            pw.print(prefix); pw.print("mSurface="); pw.println(mSurfaceControl);
-        }
-        pw.print(prefix); pw.print("Surface: shown="); pw.print(mSurfaceShown);
-    }
-
-    @Override
-    public String toString() {
-        return mSurfaceControl.toString();
-    }
-}
diff --git a/services/core/xsd/display-device-config/display-device-config.xsd b/services/core/xsd/display-device-config/display-device-config.xsd
index ec7406a..4231149 100644
--- a/services/core/xsd/display-device-config/display-device-config.xsd
+++ b/services/core/xsd/display-device-config/display-device-config.xsd
@@ -179,6 +179,19 @@
                 <xs:element name="supportsVrr" type="xs:boolean" minOccurs="0">
                     <xs:annotation name="final"/>
                 </xs:element>
+                <!-- Table that translates doze brightness sensor values to brightness values in
+                the float scale [0, 1]; -1 means the current brightness should be kept.
+                The following formula should be used for conversion between nits and the float
+                scale: float = (nits - minNits) / (maxNits - minNits). minNits and maxNits are
+                defined in screenBrightnessMap. -->
+                <xs:element type="float-array" name="dozeBrightnessSensorValueToBrightness">
+                    <xs:annotation name="final"/>
+                </xs:element>
+                <!-- The default screen brightness in the scale [0, 1] to use while the device is
+                dozing. -->
+                <xs:element type="nonNegativeDecimal" name="defaultDozeBrightness">
+                    <xs:annotation name="final"/>
+                </xs:element>
             </xs:sequence>
         </xs:complexType>
     </xs:element>
@@ -859,6 +872,12 @@
         </xs:sequence>
     </xs:complexType>
 
+    <xs:complexType name="float-array">
+        <xs:sequence>
+            <xs:element name="item" type="nonNegativeDecimal" minOccurs="0" maxOccurs="unbounded"/>
+        </xs:sequence>
+    </xs:complexType>
+
     <xs:complexType name="usiVersion">
         <xs:element name="majorVersion" type="xs:nonNegativeInteger"
                     minOccurs="1" maxOccurs="1">
diff --git a/services/core/xsd/display-device-config/schema/current.txt b/services/core/xsd/display-device-config/schema/current.txt
index 68d74cf..cec2787 100644
--- a/services/core/xsd/display-device-config/schema/current.txt
+++ b/services/core/xsd/display-device-config/schema/current.txt
@@ -125,9 +125,11 @@
     method public final java.math.BigInteger getAmbientLightHorizonLong();
     method public final java.math.BigInteger getAmbientLightHorizonShort();
     method public com.android.server.display.config.AutoBrightness getAutoBrightness();
+    method public final java.math.BigDecimal getDefaultDozeBrightness();
     method @Nullable public final com.android.server.display.config.DensityMapping getDensityMapping();
     method @NonNull public final com.android.server.display.config.Thresholds getDisplayBrightnessChangeThresholds();
     method public final com.android.server.display.config.Thresholds getDisplayBrightnessChangeThresholdsIdle();
+    method public final com.android.server.display.config.FloatArray getDozeBrightnessSensorValueToBrightness();
     method public final com.android.server.display.config.EvenDimmerMode getEvenDimmer();
     method @Nullable public final com.android.server.display.config.HdrBrightnessConfig getHdrBrightnessConfig();
     method public com.android.server.display.config.HighBrightnessMode getHighBrightnessMode();
@@ -163,9 +165,11 @@
     method public final void setAmbientLightHorizonLong(java.math.BigInteger);
     method public final void setAmbientLightHorizonShort(java.math.BigInteger);
     method public void setAutoBrightness(com.android.server.display.config.AutoBrightness);
+    method public final void setDefaultDozeBrightness(java.math.BigDecimal);
     method public final void setDensityMapping(@Nullable com.android.server.display.config.DensityMapping);
     method public final void setDisplayBrightnessChangeThresholds(@NonNull com.android.server.display.config.Thresholds);
     method public final void setDisplayBrightnessChangeThresholdsIdle(com.android.server.display.config.Thresholds);
+    method public final void setDozeBrightnessSensorValueToBrightness(com.android.server.display.config.FloatArray);
     method public final void setEvenDimmer(com.android.server.display.config.EvenDimmerMode);
     method public final void setHdrBrightnessConfig(@Nullable com.android.server.display.config.HdrBrightnessConfig);
     method public void setHighBrightnessMode(com.android.server.display.config.HighBrightnessMode);
@@ -214,6 +218,11 @@
     method public void setTransitionPoint(java.math.BigDecimal);
   }
 
+  public class FloatArray {
+    ctor public FloatArray();
+    method public java.util.List<java.math.BigDecimal> getItem();
+  }
+
   public class HbmTiming {
     ctor public HbmTiming();
     method @NonNull public final java.math.BigInteger getTimeMaxSecs_all();
diff --git a/services/manifest_services.xml b/services/manifest_services.xml
index 8ff1a7d..114fe32 100644
--- a/services/manifest_services.xml
+++ b/services/manifest_services.xml
@@ -4,9 +4,4 @@
         <version>2</version>
         <fqname>IAltitudeService/default</fqname>
     </hal>
-    <hal format="aidl">
-        <name>android.frameworks.vibrator</name>
-        <version>1</version>
-        <fqname>IVibratorControlService/default</fqname>
-    </hal>
 </manifest>
diff --git a/services/manifest_services_android.frameworks.vibrator.xml b/services/manifest_services_android.frameworks.vibrator.xml
new file mode 100644
index 0000000..c287643
--- /dev/null
+++ b/services/manifest_services_android.frameworks.vibrator.xml
@@ -0,0 +1,7 @@
+<manifest version="1.0" type="framework">
+    <hal format="aidl">
+        <name>android.frameworks.vibrator</name>
+        <version>1</version>
+        <fqname>IVibratorControlService/default</fqname>
+    </hal>
+</manifest>
diff --git a/services/tests/InputMethodSystemServerTests/src/com/android/server/inputmethod/InputMethodManagerServiceTestBase.java b/services/tests/InputMethodSystemServerTests/src/com/android/server/inputmethod/InputMethodManagerServiceTestBase.java
index bacde10..c2a069d 100644
--- a/services/tests/InputMethodSystemServerTests/src/com/android/server/inputmethod/InputMethodManagerServiceTestBase.java
+++ b/services/tests/InputMethodSystemServerTests/src/com/android/server/inputmethod/InputMethodManagerServiceTestBase.java
@@ -68,7 +68,6 @@
 import com.android.internal.view.IInputMethodManager;
 import com.android.server.LocalServices;
 import com.android.server.ServiceThread;
-import com.android.server.SystemServerInitThreadPool;
 import com.android.server.SystemService;
 import com.android.server.input.InputManagerInternal;
 import com.android.server.pm.UserManagerInternal;
@@ -161,7 +160,7 @@
                         .strictness(Strictness.LENIENT)
                         .spyStatic(InputMethodUtils.class)
                         .mockStatic(ServiceManager.class)
-                        .mockStatic(SystemServerInitThreadPool.class)
+                        .spyStatic(AdditionalSubtypeMapRepository.class)
                         .startMocking();
 
         mContext = spy(InstrumentationRegistry.getInstrumentation().getContext());
@@ -234,9 +233,8 @@
         doNothing().when(() -> InputMethodUtils.setNonSelectedSystemImesDisabledUntilUsed(
                         any(PackageManager.class), anyList()));
 
-        // Used by lazy initializing draw IMS nav bar at InputMethodManagerService#systemRunning(),
-        // which is ok to be mocked out for now.
-        doReturn(null).when(() -> SystemServerInitThreadPool.submit(any(), anyString()));
+        // The background writer thread in AdditionalSubtypeMapRepository should be stubbed out.
+        doNothing().when(AdditionalSubtypeMapRepository::startWriterThread);
 
         mServiceThread =
                 new ServiceThread(
diff --git a/services/tests/displayservicetests/src/com/android/server/display/DisplayDeviceConfigTest.java b/services/tests/displayservicetests/src/com/android/server/display/DisplayDeviceConfigTest.java
index 3437923..d450683 100644
--- a/services/tests/displayservicetests/src/com/android/server/display/DisplayDeviceConfigTest.java
+++ b/services/tests/displayservicetests/src/com/android/server/display/DisplayDeviceConfigTest.java
@@ -965,6 +965,51 @@
         assertThat(supportedModeData.vsyncRate).isEqualTo(240);
     }
 
+    @Test
+    public void testDozeBrightness_Ddc() throws IOException {
+        when(mFlags.isDozeBrightnessFloatEnabled()).thenReturn(true);
+        setupDisplayDeviceConfigFromDisplayConfigFile();
+
+        assertArrayEquals(new float[]{ -1, 0.1f, 0.2f, 0.3f, 0.4f },
+                mDisplayDeviceConfig.getDozeBrightnessSensorValueToBrightness(), SMALL_DELTA);
+        assertEquals(0.25f, mDisplayDeviceConfig.getDefaultDozeBrightness(), SMALL_DELTA);
+    }
+
+    @Test
+    public void testDefaultDozeBrightness_FallBackToConfigXmlFloat() throws IOException {
+        setupDisplayDeviceConfigFromConfigResourceFile();
+        when(mFlags.isDozeBrightnessFloatEnabled()).thenReturn(true);
+        when(mResources.getFloat(com.android.internal.R.dimen.config_screenBrightnessDozeFloat))
+                .thenReturn(0.31f);
+        when(mResources.getInteger(com.android.internal.R.integer.config_screenBrightnessDoze))
+                .thenReturn(90);
+
+        // Empty display config file
+        setupDisplayDeviceConfigFromDisplayConfigFile(
+                "<?xml version='1.0' encoding='utf-8' standalone='yes' ?>\n"
+                        + "<displayConfiguration />\n");
+
+        assertEquals(0.31f, mDisplayDeviceConfig.getDefaultDozeBrightness(), ZERO_DELTA);
+    }
+
+    @Test
+    public void testDefaultDozeBrightness_FallBackToConfigXmlInt() throws IOException {
+        setupDisplayDeviceConfigFromConfigResourceFile();
+        when(mFlags.isDozeBrightnessFloatEnabled()).thenReturn(true);
+        when(mResources.getFloat(com.android.internal.R.dimen.config_screenBrightnessDozeFloat))
+                .thenReturn(DisplayDeviceConfig.INVALID_BRIGHTNESS_IN_CONFIG);
+        when(mResources.getInteger(com.android.internal.R.integer.config_screenBrightnessDoze))
+                .thenReturn(90);
+
+        // Empty display config file
+        setupDisplayDeviceConfigFromDisplayConfigFile(
+                "<?xml version='1.0' encoding='utf-8' standalone='yes' ?>\n"
+                        + "<displayConfiguration />\n");
+
+        assertEquals(brightnessIntToFloat(90),
+                mDisplayDeviceConfig.getDefaultDozeBrightness(), ZERO_DELTA);
+    }
+
     private String getValidLuxThrottling() {
         return "<luxThrottling>\n"
                 + "    <brightnessLimitMap>\n"
@@ -1708,6 +1753,16 @@
                 +           "</point>"
                 +       "</luxThresholds>"
                 +   "</idleScreenRefreshRateTimeout>"
+                +   "<dozeBrightnessSensorValueToBrightness>\n"
+                +       "<item>-1</item>\n"
+                +       "<item>0.1</item>\n"
+                +       "<item>0.2</item>\n"
+                +       "<item>0.3</item>\n"
+                +       "<item>0.4</item>\n"
+                +   "</dozeBrightnessSensorValueToBrightness>\n"
+                +   "<defaultDozeBrightness>"
+                +       "0.25"
+                +   "</defaultDozeBrightness>\n"
                 + "</displayConfiguration>\n";
     }
 
diff --git a/services/tests/displayservicetests/src/com/android/server/display/DisplayPowerControllerTest.java b/services/tests/displayservicetests/src/com/android/server/display/DisplayPowerControllerTest.java
index 5c29156..624c897 100644
--- a/services/tests/displayservicetests/src/com/android/server/display/DisplayPowerControllerTest.java
+++ b/services/tests/displayservicetests/src/com/android/server/display/DisplayPowerControllerTest.java
@@ -117,6 +117,7 @@
     private static final String SECOND_FOLLOWER_UNIQUE_DISPLAY_ID = "unique_id_789";
     private static final float PROX_SENSOR_MAX_RANGE = 5;
     private static final float DOZE_SCALE_FACTOR = 0.34f;
+    private static final float DEFAULT_DOZE_BRIGHTNESS = 0.121f;
 
     private static final float BRIGHTNESS_RAMP_RATE_MINIMUM = 0.0f;
     private static final float BRIGHTNESS_RAMP_RATE_FAST_DECREASE = 0.3f;
@@ -2051,9 +2052,6 @@
 
     @Test
     public void testDefaultDozeBrightness() {
-        float brightness = 0.121f;
-        when(mPowerManagerMock.getBrightnessConstraint(
-                PowerManager.BRIGHTNESS_CONSTRAINT_TYPE_DOZE)).thenReturn(brightness);
         mContext.getOrCreateTestableResources().addOverride(
                 com.android.internal.R.bool.config_allowAutoBrightnessWhileDozing, false);
         mHolder = createDisplayPowerController(DISPLAY_ID, UNIQUE_ID);
@@ -2069,15 +2067,25 @@
         mHolder.dpc.requestPowerState(dpr, /* waitForNegativeProximity= */ false);
         advanceTime(1); // Run updatePowerState
 
-        verify(mHolder.animator).animateTo(eq(brightness), /* linearSecondTarget= */ anyFloat(),
-                eq(BRIGHTNESS_RAMP_RATE_FAST_INCREASE), eq(false));
+        verify(mHolder.animator).animateTo(eq(DEFAULT_DOZE_BRIGHTNESS),
+                /* linearSecondTarget= */ anyFloat(), eq(BRIGHTNESS_RAMP_RATE_FAST_INCREASE),
+                eq(false));
+
+        // The display device changes and the default doze brightness changes
+        setUpDisplay(DISPLAY_ID, "new_unique_id", mHolder.display, mock(DisplayDevice.class),
+                mHolder.config, /* isEnabled= */ true);
+        when(mHolder.config.getDefaultDozeBrightness()).thenReturn(DEFAULT_DOZE_BRIGHTNESS / 2);
+        mHolder.dpc.onDisplayChanged(mHolder.hbmMetadata, Layout.NO_LEAD_DISPLAY);
+
+        advanceTime(1); // Run updatePowerState
+
+        verify(mHolder.animator).animateTo(eq(DEFAULT_DOZE_BRIGHTNESS / 2),
+                /* linearSecondTarget= */ anyFloat(), eq(BRIGHTNESS_RAMP_RATE_FAST_INCREASE),
+                eq(false));
     }
 
     @Test
     public void testDefaultDozeBrightness_ShouldNotBeUsedIfAutoBrightnessAllowedInDoze() {
-        float brightness = 0.121f;
-        when(mPowerManagerMock.getBrightnessConstraint(
-                PowerManager.BRIGHTNESS_CONSTRAINT_TYPE_DOZE)).thenReturn(brightness);
         mContext.getOrCreateTestableResources().addOverride(
                 com.android.internal.R.bool.config_allowAutoBrightnessWhileDozing, true);
         mHolder = createDisplayPowerController(DISPLAY_ID, UNIQUE_ID);
@@ -2093,7 +2101,7 @@
         mHolder.dpc.requestPowerState(dpr, /* waitForNegativeProximity= */ false);
         advanceTime(1); // Run updatePowerState
 
-        verify(mHolder.animator, never()).animateTo(eq(brightness),
+        verify(mHolder.animator, never()).animateTo(eq(DEFAULT_DOZE_BRIGHTNESS),
                 /* linearSecondTarget= */ anyFloat(), /* rate= */ anyFloat(),
                 /* ignoreAnimationLimits= */ anyBoolean());
     }
@@ -2151,6 +2159,8 @@
                 new SensorData(Sensor.STRING_TYPE_LIGHT, null));
         when(displayDeviceConfigMock.getScreenOffBrightnessSensorValueToLux())
                 .thenReturn(new int[0]);
+        when(displayDeviceConfigMock.getDefaultDozeBrightness())
+                .thenReturn(DEFAULT_DOZE_BRIGHTNESS);
 
         when(displayDeviceConfigMock.getBrightnessRampFastDecrease())
                 .thenReturn(BRIGHTNESS_RAMP_RATE_FAST_DECREASE);
diff --git a/services/tests/servicestests/src/com/android/server/audio/AbsoluteVolumeBehaviorTest.java b/services/tests/servicestests/src/com/android/server/audio/AbsoluteVolumeBehaviorTest.java
index 758c84a..ef9580c 100644
--- a/services/tests/servicestests/src/com/android/server/audio/AbsoluteVolumeBehaviorTest.java
+++ b/services/tests/servicestests/src/com/android/server/audio/AbsoluteVolumeBehaviorTest.java
@@ -101,7 +101,7 @@
         mAudioService = new AudioService(mContext, mSpyAudioSystem, mSystemServer,
                 mSettingsAdapter, mAudioVolumeGroupHelper, mMockAudioPolicy,
                 mTestLooper.getLooper(), mock(AppOpsManager.class), mock(PermissionEnforcer.class),
-                mock(AudioServerPermissionProvider.class)) {
+                mock(AudioServerPermissionProvider.class), r -> r.run()) {
             @Override
             public int getDeviceForStream(int stream) {
                 return AudioSystem.DEVICE_OUT_SPEAKER;
diff --git a/services/tests/servicestests/src/com/android/server/audio/AudioDeviceVolumeManagerTest.java b/services/tests/servicestests/src/com/android/server/audio/AudioDeviceVolumeManagerTest.java
index 2cb02bd..4645156 100644
--- a/services/tests/servicestests/src/com/android/server/audio/AudioDeviceVolumeManagerTest.java
+++ b/services/tests/servicestests/src/com/android/server/audio/AudioDeviceVolumeManagerTest.java
@@ -78,7 +78,7 @@
         mAudioService = new AudioService(mContext, mSpyAudioSystem, mSystemServer,
                 mSettingsAdapter, mAudioVolumeGroupHelper, mAudioPolicyMock,
                 mTestLooper.getLooper(), mock(AppOpsManager.class), mock(PermissionEnforcer.class),
-                mock(AudioServerPermissionProvider.class)) {
+                mock(AudioServerPermissionProvider.class), r -> r.run()) {
             @Override
             public int getDeviceForStream(int stream) {
                 return AudioSystem.DEVICE_OUT_SPEAKER;
diff --git a/services/tests/servicestests/src/com/android/server/audio/AudioServiceTest.java b/services/tests/servicestests/src/com/android/server/audio/AudioServiceTest.java
index 037c3c0..b7100ea 100644
--- a/services/tests/servicestests/src/com/android/server/audio/AudioServiceTest.java
+++ b/services/tests/servicestests/src/com/android/server/audio/AudioServiceTest.java
@@ -87,7 +87,7 @@
                 .thenReturn(AppOpsManager.MODE_ALLOWED);
         mAudioService = new AudioService(mContext, mSpyAudioSystem, mSpySystemServer,
                 mSettingsAdapter, mAudioVolumeGroupHelper, mMockAudioPolicy, null,
-                mMockAppOpsManager, mMockPermissionEnforcer, mMockPermissionProvider);
+                mMockAppOpsManager, mMockPermissionEnforcer, mMockPermissionProvider, r -> r.run());
     }
 
     /**
diff --git a/services/tests/servicestests/src/com/android/server/audio/DeviceVolumeBehaviorTest.java b/services/tests/servicestests/src/com/android/server/audio/DeviceVolumeBehaviorTest.java
index 27b552f..746645a 100644
--- a/services/tests/servicestests/src/com/android/server/audio/DeviceVolumeBehaviorTest.java
+++ b/services/tests/servicestests/src/com/android/server/audio/DeviceVolumeBehaviorTest.java
@@ -78,7 +78,7 @@
         mAudioService = new AudioService(mContext, mAudioSystem, mSystemServer,
                 mSettingsAdapter, mAudioVolumeGroupHelper, mAudioPolicyMock,
                 mTestLooper.getLooper(), mock(AppOpsManager.class), mock(PermissionEnforcer.class),
-                mock(AudioServerPermissionProvider.class));
+                mock(AudioServerPermissionProvider.class), r -> r.run());
         mTestLooper.dispatchAll();
     }
 
diff --git a/services/tests/servicestests/src/com/android/server/audio/VolumeHelperTest.java b/services/tests/servicestests/src/com/android/server/audio/VolumeHelperTest.java
index 8e34ee1..e45ab31 100644
--- a/services/tests/servicestests/src/com/android/server/audio/VolumeHelperTest.java
+++ b/services/tests/servicestests/src/com/android/server/audio/VolumeHelperTest.java
@@ -160,7 +160,7 @@
                 @NonNull PermissionEnforcer enforcer,
                 AudioServerPermissionProvider permissionProvider) {
             super(context, audioSystem, systemServer, settings, audioVolumeGroupHelper,
-                    audioPolicy, looper, appOps, enforcer, permissionProvider);
+                    audioPolicy, looper, appOps, enforcer, permissionProvider, r -> r.run());
         }
 
         public void setDeviceForStream(int stream, int device) {
diff --git a/services/tests/wmtests/src/com/android/server/wm/RecentsAnimationControllerTest.java b/services/tests/wmtests/src/com/android/server/wm/RecentsAnimationControllerTest.java
index c1be5ca..63e3e5c 100644
--- a/services/tests/wmtests/src/com/android/server/wm/RecentsAnimationControllerTest.java
+++ b/services/tests/wmtests/src/com/android/server/wm/RecentsAnimationControllerTest.java
@@ -714,7 +714,7 @@
         // Simulate when the window is exiting and cleanupAnimation invoked
         // (e.g. screen off during RecentsAnimation animating), will expect the window receives
         // onExitAnimationDone to destroy the surface when the removal is allowed.
-        win1.mWinAnimator.mSurfaceController = mock(WindowSurfaceController.class);
+        win1.mWinAnimator.mSurfaceControl = mock(SurfaceControl.class);
         win1.mHasSurface = true;
         win1.mAnimatingExit = true;
         win1.mRemoveOnExit = true;
diff --git a/services/tests/wmtests/src/com/android/server/wm/RemoteAnimationControllerTest.java b/services/tests/wmtests/src/com/android/server/wm/RemoteAnimationControllerTest.java
index 11d9629..0bf27d1 100644
--- a/services/tests/wmtests/src/com/android/server/wm/RemoteAnimationControllerTest.java
+++ b/services/tests/wmtests/src/com/android/server/wm/RemoteAnimationControllerTest.java
@@ -43,8 +43,6 @@
 import static org.junit.Assert.assertNotNull;
 import static org.junit.Assert.assertTrue;
 import static org.mockito.ArgumentMatchers.any;
-import static org.mockito.ArgumentMatchers.anyBoolean;
-import static org.mockito.ArgumentMatchers.anyFloat;
 import static org.mockito.ArgumentMatchers.anyInt;
 import static org.mockito.ArgumentMatchers.eq;
 import static org.mockito.Mockito.mock;
@@ -758,12 +756,9 @@
         // Simulating win1 has shown IME and being IME layering/input target
         mDisplayContent.setImeLayeringTarget(win1);
         mDisplayContent.setImeInputTarget(win1);
-        mImeWindow.mWinAnimator.mSurfaceController = mock(WindowSurfaceController.class);
         mImeWindow.mWinAnimator.hide(mDisplayContent.getPendingTransaction(), "test");
         spyOn(mDisplayContent);
-        doReturn(true).when(mImeWindow.mWinAnimator.mSurfaceController).hasSurface();
-        doReturn(true).when(mImeWindow.mWinAnimator.mSurfaceController)
-                .prepareToShowInTransaction(any(), anyFloat());
+        mImeWindow.mWinAnimator.mSurfaceControl = mock(SurfaceControl.class);
         makeWindowVisibleAndDrawn(mImeWindow);
         assertTrue(mImeWindow.isOnScreen());
         assertFalse(mImeWindow.isParentWindowHidden());
diff --git a/services/tests/wmtests/src/com/android/server/wm/WallpaperControllerTests.java b/services/tests/wmtests/src/com/android/server/wm/WallpaperControllerTests.java
index 9b48cb9..c65b76e 100644
--- a/services/tests/wmtests/src/com/android/server/wm/WallpaperControllerTests.java
+++ b/services/tests/wmtests/src/com/android/server/wm/WallpaperControllerTests.java
@@ -31,7 +31,6 @@
 import static com.android.dx.mockito.inline.extended.ExtendedMockito.doReturn;
 import static com.android.dx.mockito.inline.extended.ExtendedMockito.mock;
 import static com.android.dx.mockito.inline.extended.ExtendedMockito.spyOn;
-import static com.android.dx.mockito.inline.extended.ExtendedMockito.when;
 import static com.android.window.flags.Flags.multiCrop;
 
 import static com.google.common.truth.Truth.assertThat;
@@ -551,10 +550,9 @@
     }
 
     private static void makeWallpaperWindowShown(WindowState w) {
-        final WindowSurfaceController windowSurfaceController = mock(WindowSurfaceController.class);
-        w.mWinAnimator.mSurfaceController = windowSurfaceController;
         w.mWinAnimator.mLastAlpha = 1;
-        when(windowSurfaceController.getShown()).thenReturn(true);
+        spyOn(w.mWinAnimator);
+        doReturn(true).when(w.mWinAnimator).getShown();
     }
 
     private WindowState createWallpaperWindow(DisplayContent dc, int width, int height) {
diff --git a/services/tests/wmtests/src/com/android/server/wm/WindowManagerServiceTests.java b/services/tests/wmtests/src/com/android/server/wm/WindowManagerServiceTests.java
index 4958b90..89abe2f 100644
--- a/services/tests/wmtests/src/com/android/server/wm/WindowManagerServiceTests.java
+++ b/services/tests/wmtests/src/com/android/server/wm/WindowManagerServiceTests.java
@@ -253,22 +253,18 @@
         final Session session = createTestSession(mAtm, wpc.getPid(), wpc.mUid);
         spyOn(session);
         assertTrue(session.mCanAddInternalSystemWindow);
-        final WindowSurfaceController winSurface = mock(WindowSurfaceController.class);
-        session.onWindowSurfaceVisibilityChanged(winSurface, true /* visible */,
-                LayoutParams.TYPE_PHONE);
+        final WindowState window = createWindow(null, LayoutParams.TYPE_PHONE, "win");
+        session.onWindowSurfaceVisibilityChanged(window, true /* visible */);
         verify(session).setHasOverlayUi(true);
-        session.onWindowSurfaceVisibilityChanged(winSurface, false /* visible */,
-                LayoutParams.TYPE_PHONE);
+        session.onWindowSurfaceVisibilityChanged(window, false /* visible */);
         verify(session).setHasOverlayUi(false);
     }
 
     @Test
     public void testRelayoutExitingWindow() {
         final WindowState win = createWindow(null, TYPE_BASE_APPLICATION, "appWin");
-        final WindowSurfaceController surfaceController = mock(WindowSurfaceController.class);
-        win.mWinAnimator.mSurfaceController = surfaceController;
         win.mWinAnimator.mDrawState = WindowStateAnimator.HAS_DRAWN;
-        doReturn(true).when(surfaceController).hasSurface();
+        win.mWinAnimator.mSurfaceControl = mock(SurfaceControl.class);
         spyOn(win.mTransitionController);
         doReturn(true).when(win.mTransitionController).isShellTransitionsEnabled();
         doReturn(true).when(win.mTransitionController).inTransition(
@@ -306,7 +302,7 @@
         // and WMS#tryStartExitingAnimation() will destroy the surface directly.
         assertFalse(win.mAnimatingExit);
         assertFalse(win.mHasSurface);
-        assertNull(win.mWinAnimator.mSurfaceController);
+        assertNull(win.mWinAnimator.mSurfaceControl);
 
         // Invisible requested activity should not get the last config even if its view is visible.
         mWm.relayoutWindow(win.mSession, win.mClient, win.mAttrs, w, h, View.VISIBLE, 0, 0, 0,
diff --git a/tools/lint/fix/README.md b/tools/lint/fix/README.md
index a5ac2be..18bda92 100644
--- a/tools/lint/fix/README.md
+++ b/tools/lint/fix/README.md
@@ -6,7 +6,7 @@
 
 It's a python script that runs the framework linter,
 and then (optionally) copies modified files back into the source tree.\
-Why python, you ask?  Because python is cool ¯\_(ツ)_/¯.
+Why python, you ask? Because python is cool ¯\\\_(ツ)\_/¯.
 
 Incidentally, this exposes a much simpler way to run individual lint checks
 against individual modules, so it's useful beyond applying fixes.
@@ -15,7 +15,7 @@
 
 Lint is not allowed to modify source files directly via lint's `--apply-suggestions` flag.
 As a compromise, soong zips up the (potentially) modified sources and leaves them in an intermediate
-directory.  This script runs the lint, unpacks those files, and copies them back into the tree.
+directory. This script runs the lint, unpacks those files, and copies them back into the tree.
 
 ## How do I run it?
 **WARNING: You probably want to commit/stash any changes to your working tree before doing this...**