Merge "Create exported mode library for package android.service.notification" into main
diff --git a/AconfigFlags.bp b/AconfigFlags.bp
index d1cd4fa..a5e695a 100644
--- a/AconfigFlags.bp
+++ b/AconfigFlags.bp
@@ -999,6 +999,11 @@
     defaults: ["framework-minus-apex-aconfig-java-defaults"],
 }
 
+cc_aconfig_library {
+    name: "android.tracing.flags_c_lib",
+    aconfig_declarations: "android.tracing.flags-aconfig",
+}
+
 // App Widgets
 aconfig_declarations {
     name: "android.appwidget.flags-aconfig",
diff --git a/core/api/system-current.txt b/core/api/system-current.txt
index 4d7ac78..627b703 100644
--- a/core/api/system-current.txt
+++ b/core/api/system-current.txt
@@ -2193,6 +2193,139 @@
 
 }
 
+package android.app.ondeviceintelligence {
+
+  @FlaggedApi("android.app.ondeviceintelligence.flags.enable_on_device_intelligence") public final class Content implements android.os.Parcelable {
+    ctor public Content(@NonNull android.os.Bundle);
+    method public int describeContents();
+    method @NonNull public android.os.Bundle getData();
+    method public void writeToParcel(@NonNull android.os.Parcel, int);
+    field @NonNull public static final android.os.Parcelable.Creator<android.app.ondeviceintelligence.Content> CREATOR;
+  }
+
+  @FlaggedApi("android.app.ondeviceintelligence.flags.enable_on_device_intelligence") public interface DownloadCallback {
+    method public void onDownloadCompleted(@NonNull android.os.PersistableBundle);
+    method public void onDownloadFailed(int, @Nullable String, @NonNull android.os.PersistableBundle);
+    method public default void onDownloadProgress(long);
+    method public default void onDownloadStarted(long);
+    field public static final int DOWNLOAD_FAILURE_STATUS_DOWNLOADING = 3; // 0x3
+    field public static final int DOWNLOAD_FAILURE_STATUS_NETWORK_FAILURE = 2; // 0x2
+    field public static final int DOWNLOAD_FAILURE_STATUS_NOT_ENOUGH_DISK_SPACE = 1; // 0x1
+    field public static final int DOWNLOAD_FAILURE_STATUS_UNAVAILABLE = 4; // 0x4
+    field public static final int DOWNLOAD_FAILURE_STATUS_UNKNOWN = 0; // 0x0
+  }
+
+  @FlaggedApi("android.app.ondeviceintelligence.flags.enable_on_device_intelligence") public final class Feature implements android.os.Parcelable {
+    method public int describeContents();
+    method @NonNull public android.os.PersistableBundle getFeatureParams();
+    method public int getId();
+    method @Nullable public String getModelName();
+    method @Nullable public String getName();
+    method public int getType();
+    method public int getVariant();
+    method public void writeToParcel(@NonNull android.os.Parcel, int);
+    field @NonNull public static final android.os.Parcelable.Creator<android.app.ondeviceintelligence.Feature> CREATOR;
+  }
+
+  public static final class Feature.Builder {
+    ctor public Feature.Builder(int, int, int, @NonNull android.os.PersistableBundle);
+    method @NonNull public android.app.ondeviceintelligence.Feature build();
+    method @NonNull public android.app.ondeviceintelligence.Feature.Builder setFeatureParams(@NonNull android.os.PersistableBundle);
+    method @NonNull public android.app.ondeviceintelligence.Feature.Builder setId(int);
+    method @NonNull public android.app.ondeviceintelligence.Feature.Builder setModelName(@NonNull String);
+    method @NonNull public android.app.ondeviceintelligence.Feature.Builder setName(@NonNull String);
+    method @NonNull public android.app.ondeviceintelligence.Feature.Builder setType(int);
+    method @NonNull public android.app.ondeviceintelligence.Feature.Builder setVariant(int);
+  }
+
+  @FlaggedApi("android.app.ondeviceintelligence.flags.enable_on_device_intelligence") public final class FeatureDetails implements android.os.Parcelable {
+    ctor public FeatureDetails(@android.app.ondeviceintelligence.FeatureDetails.Status int, @NonNull android.os.PersistableBundle);
+    ctor public FeatureDetails(@android.app.ondeviceintelligence.FeatureDetails.Status int);
+    method public int describeContents();
+    method @NonNull public android.os.PersistableBundle getFeatureDetailParams();
+    method @android.app.ondeviceintelligence.FeatureDetails.Status public int getStatus();
+    method public void writeToParcel(@NonNull android.os.Parcel, int);
+    field @NonNull public static final android.os.Parcelable.Creator<android.app.ondeviceintelligence.FeatureDetails> CREATOR;
+    field public static final int FEATURE_STATUS_AVAILABLE = 3; // 0x3
+    field public static final int FEATURE_STATUS_DOWNLOADABLE = 1; // 0x1
+    field public static final int FEATURE_STATUS_DOWNLOADING = 2; // 0x2
+    field public static final int FEATURE_STATUS_SERVICE_UNAVAILABLE = 4; // 0x4
+    field public static final int FEATURE_STATUS_UNAVAILABLE = 0; // 0x0
+  }
+
+  @java.lang.annotation.Retention(java.lang.annotation.RetentionPolicy.SOURCE) @java.lang.annotation.Target({java.lang.annotation.ElementType.TYPE_USE, java.lang.annotation.ElementType.METHOD, java.lang.annotation.ElementType.PARAMETER, java.lang.annotation.ElementType.FIELD}) public static @interface FeatureDetails.Status {
+  }
+
+  @FlaggedApi("android.app.ondeviceintelligence.flags.enable_on_device_intelligence") public final class FilePart implements android.os.Parcelable {
+    ctor public FilePart(@NonNull String, @NonNull android.os.PersistableBundle, @NonNull String) throws java.io.FileNotFoundException;
+    ctor public FilePart(@NonNull String, @NonNull android.os.PersistableBundle, @NonNull java.io.FileInputStream) throws java.io.IOException;
+    method public int describeContents();
+    method @NonNull public java.io.FileInputStream getFileInputStream();
+    method @NonNull public String getFilePartKey();
+    method @NonNull public android.os.PersistableBundle getFilePartParams();
+    method public void writeToParcel(@NonNull android.os.Parcel, int);
+    field @NonNull public static final android.os.Parcelable.Creator<android.app.ondeviceintelligence.FilePart> CREATOR;
+  }
+
+  @FlaggedApi("android.app.ondeviceintelligence.flags.enable_on_device_intelligence") public class OnDeviceIntelligenceManager {
+    method @RequiresPermission(android.Manifest.permission.USE_ON_DEVICE_INTELLIGENCE) public void getFeature(int, @NonNull java.util.concurrent.Executor, @NonNull android.os.OutcomeReceiver<android.app.ondeviceintelligence.Feature,android.app.ondeviceintelligence.OnDeviceIntelligenceManager.OnDeviceIntelligenceManagerException>);
+    method @RequiresPermission(android.Manifest.permission.USE_ON_DEVICE_INTELLIGENCE) public void getFeatureDetails(@NonNull android.app.ondeviceintelligence.Feature, @NonNull java.util.concurrent.Executor, @NonNull android.os.OutcomeReceiver<android.app.ondeviceintelligence.FeatureDetails,android.app.ondeviceintelligence.OnDeviceIntelligenceManager.OnDeviceIntelligenceManagerException>);
+    method @RequiresPermission(android.Manifest.permission.USE_ON_DEVICE_INTELLIGENCE) public void getVersion(@NonNull java.util.concurrent.Executor, @NonNull java.util.function.LongConsumer);
+    method @RequiresPermission(android.Manifest.permission.USE_ON_DEVICE_INTELLIGENCE) public void listFeatures(@NonNull java.util.concurrent.Executor, @NonNull android.os.OutcomeReceiver<java.util.List<android.app.ondeviceintelligence.Feature>,android.app.ondeviceintelligence.OnDeviceIntelligenceManager.OnDeviceIntelligenceManagerException>);
+    method @RequiresPermission(android.Manifest.permission.USE_ON_DEVICE_INTELLIGENCE) public void processRequest(@NonNull android.app.ondeviceintelligence.Feature, @NonNull android.app.ondeviceintelligence.Content, int, @Nullable android.os.CancellationSignal, @Nullable android.app.ondeviceintelligence.ProcessingSignal, @NonNull java.util.concurrent.Executor, @NonNull android.os.OutcomeReceiver<android.app.ondeviceintelligence.Content,android.app.ondeviceintelligence.OnDeviceIntelligenceManager.OnDeviceIntelligenceManagerProcessingException>);
+    method @RequiresPermission(android.Manifest.permission.USE_ON_DEVICE_INTELLIGENCE) public void processRequestStreaming(@NonNull android.app.ondeviceintelligence.Feature, @NonNull android.app.ondeviceintelligence.Content, int, @Nullable android.os.CancellationSignal, @Nullable android.app.ondeviceintelligence.ProcessingSignal, @NonNull java.util.concurrent.Executor, @NonNull android.app.ondeviceintelligence.StreamingResponseReceiver<android.app.ondeviceintelligence.Content,android.app.ondeviceintelligence.Content,android.app.ondeviceintelligence.OnDeviceIntelligenceManager.OnDeviceIntelligenceManagerProcessingException>);
+    method @RequiresPermission(android.Manifest.permission.USE_ON_DEVICE_INTELLIGENCE) public void requestFeatureDownload(@NonNull android.app.ondeviceintelligence.Feature, @Nullable android.os.CancellationSignal, @NonNull java.util.concurrent.Executor, @NonNull android.app.ondeviceintelligence.DownloadCallback);
+    method @RequiresPermission(android.Manifest.permission.USE_ON_DEVICE_INTELLIGENCE) public void requestTokenCount(@NonNull android.app.ondeviceintelligence.Feature, @NonNull android.app.ondeviceintelligence.Content, @Nullable android.os.CancellationSignal, @NonNull java.util.concurrent.Executor, @NonNull android.os.OutcomeReceiver<java.lang.Long,android.app.ondeviceintelligence.OnDeviceIntelligenceManager.OnDeviceIntelligenceManagerException>);
+    field public static final String API_VERSION_BUNDLE_KEY = "ApiVersionBundleKey";
+    field public static final int REQUEST_TYPE_EMBEDDINGS = 2; // 0x2
+    field public static final int REQUEST_TYPE_INFERENCE = 0; // 0x0
+    field public static final int REQUEST_TYPE_PREPARE = 1; // 0x1
+  }
+
+  public static class OnDeviceIntelligenceManager.OnDeviceIntelligenceManagerException extends java.lang.Exception {
+    ctor public OnDeviceIntelligenceManager.OnDeviceIntelligenceManagerException(int, @NonNull String, @NonNull android.os.PersistableBundle);
+    ctor public OnDeviceIntelligenceManager.OnDeviceIntelligenceManagerException(int, @NonNull android.os.PersistableBundle);
+    method public int getErrorCode();
+    method @NonNull public android.os.PersistableBundle getErrorParams();
+    field public static final int ON_DEVICE_INTELLIGENCE_SERVICE_UNAVAILABLE = 1000; // 0x3e8
+  }
+
+  public static class OnDeviceIntelligenceManager.OnDeviceIntelligenceManagerProcessingException extends android.app.ondeviceintelligence.OnDeviceIntelligenceManager.OnDeviceIntelligenceManagerException {
+    ctor public OnDeviceIntelligenceManager.OnDeviceIntelligenceManagerProcessingException(int, @NonNull String, @NonNull android.os.PersistableBundle);
+    ctor public OnDeviceIntelligenceManager.OnDeviceIntelligenceManagerProcessingException(int, @NonNull android.os.PersistableBundle);
+    field public static final int PROCESSING_ERROR_BAD_DATA = 2; // 0x2
+    field public static final int PROCESSING_ERROR_BAD_REQUEST = 3; // 0x3
+    field public static final int PROCESSING_ERROR_BUSY = 9; // 0x9
+    field public static final int PROCESSING_ERROR_CANCELLED = 7; // 0x7
+    field public static final int PROCESSING_ERROR_COMPUTE_ERROR = 5; // 0x5
+    field public static final int PROCESSING_ERROR_INTERNAL = 14; // 0xe
+    field public static final int PROCESSING_ERROR_IPC_ERROR = 6; // 0x6
+    field public static final int PROCESSING_ERROR_NOT_AVAILABLE = 8; // 0x8
+    field public static final int PROCESSING_ERROR_REQUEST_NOT_SAFE = 4; // 0x4
+    field public static final int PROCESSING_ERROR_REQUEST_TOO_LARGE = 12; // 0xc
+    field public static final int PROCESSING_ERROR_RESPONSE_NOT_SAFE = 11; // 0xb
+    field public static final int PROCESSING_ERROR_SAFETY_ERROR = 10; // 0xa
+    field public static final int PROCESSING_ERROR_SERVICE_UNAVAILABLE = 15; // 0xf
+    field public static final int PROCESSING_ERROR_SUSPENDED = 13; // 0xd
+    field public static final int PROCESSING_ERROR_UNKNOWN = 1; // 0x1
+  }
+
+  @FlaggedApi("android.app.ondeviceintelligence.flags.enable_on_device_intelligence") public final class ProcessingSignal {
+    ctor public ProcessingSignal();
+    method public void sendSignal(@NonNull android.os.PersistableBundle);
+    method public void setOnProcessingSignalCallback(@NonNull java.util.concurrent.Executor, @Nullable android.app.ondeviceintelligence.ProcessingSignal.OnProcessingSignalCallback);
+  }
+
+  public static interface ProcessingSignal.OnProcessingSignalCallback {
+    method public void onSignalReceived(@NonNull android.os.PersistableBundle);
+  }
+
+  @FlaggedApi("android.app.ondeviceintelligence.flags.enable_on_device_intelligence") public interface StreamingResponseReceiver<R, T, E extends java.lang.Throwable> extends android.os.OutcomeReceiver<R,E> {
+    method public void onNewContent(@NonNull T);
+  }
+
+}
+
 package android.app.people {
 
   public final class PeopleManager {
@@ -3640,6 +3773,7 @@
     field public static final String NETD_SERVICE = "netd";
     field @Deprecated public static final String NETWORK_SCORE_SERVICE = "network_score";
     field public static final String OEM_LOCK_SERVICE = "oem_lock";
+    field @FlaggedApi("android.app.ondeviceintelligence.flags.enable_on_device_intelligence") public static final String ON_DEVICE_INTELLIGENCE_SERVICE = "on_device_intelligence";
     field public static final String PERMISSION_CONTROLLER_SERVICE = "permission_controller";
     field public static final String PERMISSION_SERVICE = "permission";
     field public static final String PERSISTENT_DATA_BLOCK_SERVICE = "persistent_data_block";
@@ -12824,6 +12958,34 @@
 
 }
 
+package android.service.ondeviceintelligence {
+
+  @FlaggedApi("android.app.ondeviceintelligence.flags.enable_on_device_intelligence") public abstract class OnDeviceIntelligenceService extends android.app.Service {
+    ctor public OnDeviceIntelligenceService();
+    method @Nullable public final android.os.IBinder onBind(@NonNull android.content.Intent);
+    method public abstract void onDownloadFeature(@NonNull android.app.ondeviceintelligence.Feature, @Nullable android.os.CancellationSignal, @NonNull android.app.ondeviceintelligence.DownloadCallback);
+    method public abstract void onGetFeature(int, @NonNull android.os.OutcomeReceiver<android.app.ondeviceintelligence.Feature,android.app.ondeviceintelligence.OnDeviceIntelligenceManager.OnDeviceIntelligenceManagerException>);
+    method public abstract void onGetFeatureDetails(@NonNull android.app.ondeviceintelligence.Feature, @NonNull android.os.OutcomeReceiver<android.app.ondeviceintelligence.FeatureDetails,android.app.ondeviceintelligence.OnDeviceIntelligenceManager.OnDeviceIntelligenceManagerException>);
+    method public abstract void onGetReadOnlyFeatureFileDescriptorMap(@NonNull android.app.ondeviceintelligence.Feature, @NonNull java.util.function.Consumer<java.util.Map<java.lang.String,android.os.ParcelFileDescriptor>>);
+    method public abstract void onGetVersion(@NonNull java.util.function.LongConsumer);
+    method public abstract void onListFeatures(@NonNull android.os.OutcomeReceiver<java.util.List<android.app.ondeviceintelligence.Feature>,android.app.ondeviceintelligence.OnDeviceIntelligenceManager.OnDeviceIntelligenceManagerException>);
+    field public static final String SERVICE_INTERFACE = "android.service.ondeviceintelligence.OnDeviceIntelligenceService";
+  }
+
+  @FlaggedApi("android.app.ondeviceintelligence.flags.enable_on_device_intelligence") public abstract class OnDeviceTrustedInferenceService extends android.app.Service {
+    ctor public OnDeviceTrustedInferenceService();
+    method public final void fetchFeatureFileInputStreamMap(@NonNull android.app.ondeviceintelligence.Feature, @NonNull java.util.concurrent.Executor, @NonNull java.util.function.Consumer<java.util.Map<java.lang.String,java.io.FileInputStream>>);
+    method @Nullable public final android.os.IBinder onBind(@NonNull android.content.Intent);
+    method @NonNull public abstract void onCountTokens(@NonNull android.app.ondeviceintelligence.Feature, @NonNull android.app.ondeviceintelligence.Content, @Nullable android.os.CancellationSignal, @NonNull android.os.OutcomeReceiver<java.lang.Long,android.app.ondeviceintelligence.OnDeviceIntelligenceManager.OnDeviceIntelligenceManagerProcessingException>);
+    method @NonNull public abstract void onProcessRequest(@NonNull android.app.ondeviceintelligence.Feature, @NonNull android.app.ondeviceintelligence.Content, int, @Nullable android.os.CancellationSignal, @Nullable android.app.ondeviceintelligence.ProcessingSignal, @NonNull android.os.OutcomeReceiver<android.app.ondeviceintelligence.Content,android.app.ondeviceintelligence.OnDeviceIntelligenceManager.OnDeviceIntelligenceManagerProcessingException>);
+    method @NonNull public abstract void onProcessRequestStreaming(@NonNull android.app.ondeviceintelligence.Feature, @NonNull android.app.ondeviceintelligence.Content, int, @Nullable android.os.CancellationSignal, @Nullable android.app.ondeviceintelligence.ProcessingSignal, @NonNull android.app.ondeviceintelligence.StreamingResponseReceiver<android.app.ondeviceintelligence.Content,android.app.ondeviceintelligence.Content,android.app.ondeviceintelligence.OnDeviceIntelligenceManager.OnDeviceIntelligenceManagerProcessingException>);
+    method public final java.io.FileInputStream openFileInput(@NonNull String) throws java.io.FileNotFoundException;
+    method public final void openFileInputAsync(@NonNull String, @NonNull java.util.concurrent.Executor, @NonNull java.util.function.Consumer<java.io.FileInputStream>) throws java.io.FileNotFoundException;
+    field public static final String SERVICE_INTERFACE = "android.service.ondeviceintelligence.OnDeviceTrustedInferenceService";
+  }
+
+}
+
 package android.service.persistentdata {
 
   @FlaggedApi("android.security.frp_enforcement") public class PersistentDataBlockManager {
diff --git a/core/api/system-lint-baseline.txt b/core/api/system-lint-baseline.txt
index ca9fab8..1923641 100644
--- a/core/api/system-lint-baseline.txt
+++ b/core/api/system-lint-baseline.txt
@@ -509,6 +509,12 @@
     Methods must not throw generic exceptions (`java.lang.Throwable`)
 
 
+InvalidNullabilityOverride: android.service.ondeviceintelligence.OnDeviceIntelligenceService#onBind(android.content.Intent) parameter #0:
+    Invalid nullability on parameter `intent` in method `onBind`. Parameters of overrides cannot be NonNull if the super parameter is unannotated.
+InvalidNullabilityOverride: android.service.ondeviceintelligence.OnDeviceTrustedInferenceService#onBind(android.content.Intent) parameter #0:
+    Invalid nullability on parameter `intent` in method `onBind`. Parameters of overrides cannot be NonNull if the super parameter is unannotated.
+InvalidNullabilityOverride: android.service.ondeviceintelligence.OnDeviceTrustedInferenceService#openFileInput(String) parameter #0:
+    Invalid nullability on parameter `filename` in method `openFileInput`. Parameters of overrides cannot be NonNull if the super parameter is unannotated.
 InvalidNullabilityOverride: android.service.textclassifier.TextClassifierService#onUnbind(android.content.Intent) parameter #0:
     Invalid nullability on parameter `intent` in method `onUnbind`. Parameters of overrides cannot be NonNull if the super parameter is unannotated.
 InvalidNullabilityOverride: android.service.voice.HotwordDetectionService#getSystemService(String) parameter #0:
@@ -565,6 +571,8 @@
     Missing nullability on parameter `args` in method `dump`
 MissingNullability: android.service.notification.NotificationAssistantService#attachBaseContext(android.content.Context) parameter #0:
     Missing nullability on parameter `base` in method `attachBaseContext`
+MissingNullability: android.service.ondeviceintelligence.OnDeviceTrustedInferenceService#openFileInput(String):
+    Missing nullability on method `openFileInput` return
 MissingNullability: android.telephony.NetworkService#onUnbind(android.content.Intent) parameter #0:
     Missing nullability on parameter `intent` in method `onUnbind`
 MissingNullability: android.telephony.data.DataService#onUnbind(android.content.Intent) parameter #0:
@@ -1877,6 +1885,8 @@
     Documentation mentions 'TODO'
 Todo: android.app.NotificationManager#isNotificationAssistantAccessGranted(android.content.ComponentName):
     Documentation mentions 'TODO'
+Todo: android.app.ondeviceintelligence.OnDeviceIntelligenceManager#requestFeatureDownload(android.app.ondeviceintelligence.Feature, android.app.ondeviceintelligence.CancellationSignal, java.util.concurrent.Executor, android.app.ondeviceintelligence.DownloadCallback):
+    Documentation mentions 'TODO'
 Todo: android.hardware.camera2.params.StreamConfigurationMap:
     Documentation mentions 'TODO'
 Todo: android.hardware.location.ContextHubManager#getNanoAppInstanceInfo(int):
diff --git a/core/api/test-current.txt b/core/api/test-current.txt
index 4ec476e..48dcbe5 100644
--- a/core/api/test-current.txt
+++ b/core/api/test-current.txt
@@ -1703,6 +1703,7 @@
     field public static final int SWITCHING_TYPE_WITHIN_GROUPS = 1; // 0x1
     field public static final int VIRTUAL_DISPLAY_FLAG_OWN_FOCUS = 16384; // 0x4000
     field public static final int VIRTUAL_DISPLAY_FLAG_SHOULD_SHOW_SYSTEM_DECORATIONS = 512; // 0x200
+    field public static final int VIRTUAL_DISPLAY_FLAG_SUPPORTS_TOUCH = 64; // 0x40
   }
 
 }
@@ -1751,6 +1752,10 @@
     field public static final int DEFAULT_POINTER_SPEED = 0; // 0x0
   }
 
+  public class VirtualKeyboard implements java.io.Closeable {
+    method public int getInputDeviceId();
+  }
+
 }
 
 package android.hardware.lights {
diff --git a/core/api/test-lint-baseline.txt b/core/api/test-lint-baseline.txt
index c1181f5..27808cb 100644
--- a/core/api/test-lint-baseline.txt
+++ b/core/api/test-lint-baseline.txt
@@ -1931,6 +1931,8 @@
     Documentation mentions 'TODO'
 Todo: android.app.NotificationManager#isNotificationAssistantAccessGranted(android.content.ComponentName):
     Documentation mentions 'TODO'
+Todo: android.app.ondeviceintelligence.OnDeviceIntelligenceManager#requestFeatureDownload(android.app.ondeviceintelligence.Feature, android.app.ondeviceintelligence.CancellationSignal, java.util.concurrent.Executor, android.app.ondeviceintelligence.DownloadCallback):
+    Documentation mentions 'TODO'
 Todo: android.hardware.camera2.params.StreamConfigurationMap:
     Documentation mentions 'TODO'
 Todo: android.hardware.location.ContextHubManager#getNanoAppInstanceInfo(int):
diff --git a/core/java/android/app/ActivityThread.java b/core/java/android/app/ActivityThread.java
index 926e297..e6a2c07 100644
--- a/core/java/android/app/ActivityThread.java
+++ b/core/java/android/app/ActivityThread.java
@@ -237,7 +237,6 @@
 import com.android.internal.util.function.pooled.PooledLambda;
 import com.android.org.conscrypt.TrustedCertificateStore;
 import com.android.server.am.MemInfoDumpProto;
-import com.android.window.flags.Flags;
 
 import dalvik.annotation.optimization.NeverCompile;
 import dalvik.system.AppSpecializationHooks;
@@ -3762,11 +3761,7 @@
         final ClientTransaction clientTransaction = ClientTransaction.obtain(mAppThread);
         final ActivityResultItem activityResultItem = ActivityResultItem.obtain(
                 activityToken, list);
-        if (Flags.bundleClientTransactionFlag()) {
-            clientTransaction.addTransactionItem(activityResultItem);
-        } else {
-            clientTransaction.addCallback(activityResultItem);
-        }
+        clientTransaction.addTransactionItem(activityResultItem);
         try {
             mAppThread.scheduleTransaction(clientTransaction);
         } catch (RemoteException e) {
@@ -4553,11 +4548,7 @@
         final PauseActivityItem pauseActivityItem = PauseActivityItem.obtain(r.token,
                 r.activity.isFinishing(), /* userLeaving */ true, r.activity.mConfigChangeFlags,
                 /* dontReport */ false, /* autoEnteringPip */ false);
-        if (Flags.bundleClientTransactionFlag()) {
-            transaction.addTransactionItem(pauseActivityItem);
-        } else {
-            transaction.setLifecycleStateRequest(pauseActivityItem);
-        }
+        transaction.addTransactionItem(pauseActivityItem);
         executeTransaction(transaction);
     }
 
@@ -4565,11 +4556,7 @@
         final ClientTransaction transaction = ClientTransaction.obtain(mAppThread);
         final ResumeActivityItem resumeActivityItem = ResumeActivityItem.obtain(r.token,
                 /* isForward */ false, /* shouldSendCompatFakeFocus */ false);
-        if (Flags.bundleClientTransactionFlag()) {
-            transaction.addTransactionItem(resumeActivityItem);
-        } else {
-            transaction.setLifecycleStateRequest(resumeActivityItem);
-        }
+        transaction.addTransactionItem(resumeActivityItem);
         executeTransaction(transaction);
     }
 
@@ -6189,13 +6176,8 @@
                 TransactionExecutorHelper.getLifecycleRequestForCurrentState(r);
         // Schedule the transaction.
         final ClientTransaction transaction = ClientTransaction.obtain(mAppThread);
-        if (Flags.bundleClientTransactionFlag()) {
-            transaction.addTransactionItem(activityRelaunchItem);
-            transaction.addTransactionItem(lifecycleRequest);
-        } else {
-            transaction.addCallback(activityRelaunchItem);
-            transaction.setLifecycleStateRequest(lifecycleRequest);
-        }
+        transaction.addTransactionItem(activityRelaunchItem);
+        transaction.addTransactionItem(lifecycleRequest);
         executeTransaction(transaction);
     }
 
diff --git a/core/java/android/app/Notification.java b/core/java/android/app/Notification.java
index d6e8ae3..26f85f7 100644
--- a/core/java/android/app/Notification.java
+++ b/core/java/android/app/Notification.java
@@ -80,6 +80,7 @@
 import android.os.Parcelable;
 import android.os.SystemClock;
 import android.os.SystemProperties;
+import android.os.Trace;
 import android.os.UserHandle;
 import android.os.UserManager;
 import android.provider.Settings;
@@ -3023,37 +3024,44 @@
      * @hide
      */
     public String loadHeaderAppName(Context context) {
-        CharSequence name = null;
-        // Check if there is a non-empty substitute app name and return that.
-        if (extras.containsKey(EXTRA_SUBSTITUTE_APP_NAME)) {
-            name = extras.getString(EXTRA_SUBSTITUTE_APP_NAME);
-            if (!TextUtils.isEmpty(name)) {
-                return name.toString();
-            }
-        }
-        // If not, try getting the app info from extras.
-        if (context == null) {
-            return null;
-        }
-        final PackageManager pm = context.getPackageManager();
-        if (TextUtils.isEmpty(name)) {
-            if (extras.containsKey(EXTRA_BUILDER_APPLICATION_INFO)) {
-                final ApplicationInfo info = extras.getParcelable(EXTRA_BUILDER_APPLICATION_INFO,
-                        ApplicationInfo.class);
-                if (info != null) {
-                    name = pm.getApplicationLabel(info);
+        Trace.beginSection("Notification#loadHeaderAppName");
+
+        try {
+            CharSequence name = null;
+            // Check if there is a non-empty substitute app name and return that.
+            if (extras.containsKey(EXTRA_SUBSTITUTE_APP_NAME)) {
+                name = extras.getString(EXTRA_SUBSTITUTE_APP_NAME);
+                if (!TextUtils.isEmpty(name)) {
+                    return name.toString();
                 }
             }
+            // If not, try getting the app info from extras.
+            if (context == null) {
+                return null;
+            }
+            final PackageManager pm = context.getPackageManager();
+            if (TextUtils.isEmpty(name)) {
+                if (extras.containsKey(EXTRA_BUILDER_APPLICATION_INFO)) {
+                    final ApplicationInfo info = extras.getParcelable(
+                            EXTRA_BUILDER_APPLICATION_INFO,
+                            ApplicationInfo.class);
+                    if (info != null) {
+                        name = pm.getApplicationLabel(info);
+                    }
+                }
+            }
+            // If that's still empty, use the one from the context directly.
+            if (TextUtils.isEmpty(name)) {
+                name = pm.getApplicationLabel(context.getApplicationInfo());
+            }
+            // If there's still nothing, ¯\_(ツ)_/¯
+            if (TextUtils.isEmpty(name)) {
+                return null;
+            }
+            return name.toString();
+        } finally {
+            Trace.endSection();
         }
-        // If that's still empty, use the one from the context directly.
-        if (TextUtils.isEmpty(name)) {
-            name = pm.getApplicationLabel(context.getApplicationInfo());
-        }
-        // If there's still nothing, ¯\_(ツ)_/¯
-        if (TextUtils.isEmpty(name)) {
-            return null;
-        }
-        return name.toString();
     }
 
     /**
@@ -6722,23 +6730,29 @@
          */
         @NonNull
         public static Notification.Builder recoverBuilder(Context context, Notification n) {
-            // Re-create notification context so we can access app resources.
-            ApplicationInfo applicationInfo = n.extras.getParcelable(
-                    EXTRA_BUILDER_APPLICATION_INFO, ApplicationInfo.class);
-            Context builderContext;
-            if (applicationInfo != null) {
-                try {
-                    builderContext = context.createApplicationContext(applicationInfo,
-                            Context.CONTEXT_RESTRICTED);
-                } catch (NameNotFoundException e) {
-                    Log.e(TAG, "ApplicationInfo " + applicationInfo + " not found");
-                    builderContext = context;  // try with our context
-                }
-            } else {
-                builderContext = context; // try with given context
-            }
+            Trace.beginSection("Notification.Builder#recoverBuilder");
 
-            return new Builder(builderContext, n);
+            try {
+                // Re-create notification context so we can access app resources.
+                ApplicationInfo applicationInfo = n.extras.getParcelable(
+                        EXTRA_BUILDER_APPLICATION_INFO, ApplicationInfo.class);
+                Context builderContext;
+                if (applicationInfo != null) {
+                    try {
+                        builderContext = context.createApplicationContext(applicationInfo,
+                                Context.CONTEXT_RESTRICTED);
+                    } catch (NameNotFoundException e) {
+                        Log.e(TAG, "ApplicationInfo " + applicationInfo + " not found");
+                        builderContext = context;  // try with our context
+                    }
+                } else {
+                    builderContext = context; // try with given context
+                }
+
+                return new Builder(builderContext, n);
+            } finally {
+                Trace.endSection();
+            }
         }
 
         /**
diff --git a/core/java/android/app/UiModeManager.java b/core/java/android/app/UiModeManager.java
index a045eae..7903f1c 100644
--- a/core/java/android/app/UiModeManager.java
+++ b/core/java/android/app/UiModeManager.java
@@ -16,7 +16,7 @@
 
 package android.app;
 
-import static android.app.Flags.enableNightModeCache;
+import static android.app.Flags.enableNightModeBinderCache;
 
 import android.annotation.CallbackExecutor;
 import android.annotation.FlaggedApi;
@@ -916,7 +916,7 @@
      *
      * @hide
      */
-    @FlaggedApi(Flags.FLAG_ENABLE_NIGHT_MODE_CACHE)
+    @FlaggedApi(Flags.FLAG_ENABLE_NIGHT_MODE_BINDER_CACHE)
     public static void invalidateNightModeCache() {
         IpcDataCache.invalidateCache(IpcDataCache.MODULE_SYSTEM,
                 NIGHT_MODE_API);
@@ -938,7 +938,7 @@
      * @see #setNightMode(int)
      */
     public @NightMode int getNightMode() {
-        if (enableNightModeCache()) {
+        if (enableNightModeBinderCache()) {
             return mNightModeCache.query(null);
         } else {
             return getNightModeFromServer();
diff --git a/core/java/android/app/admin/DeviceAdminInfo.java b/core/java/android/app/admin/DeviceAdminInfo.java
index 7d5d5c1..986205a 100644
--- a/core/java/android/app/admin/DeviceAdminInfo.java
+++ b/core/java/android/app/admin/DeviceAdminInfo.java
@@ -16,10 +16,11 @@
 
 package android.app.admin;
 
+import static android.app.admin.flags.Flags.FLAG_HEADLESS_DEVICE_OWNER_SINGLE_USER_ENABLED;
+
 import android.annotation.FlaggedApi;
 import android.annotation.IntDef;
 import android.annotation.NonNull;
-import android.app.admin.flags.Flags;
 import android.compat.annotation.UnsupportedAppUsage;
 import android.content.ComponentName;
 import android.content.Context;
@@ -185,7 +186,7 @@
      * <p>This mode only allows a single secondary user on the device blocking the creation of
      * additional secondary users.
      */
-    @FlaggedApi(Flags.FLAG_HEADLESS_DEVICE_OWNER_SINGLE_USER_ENABLED)
+    @FlaggedApi(FLAG_HEADLESS_DEVICE_OWNER_SINGLE_USER_ENABLED)
     public static final int HEADLESS_DEVICE_OWNER_MODE_SINGLE_USER = 2;
 
     @IntDef({HEADLESS_DEVICE_OWNER_MODE_UNSUPPORTED, HEADLESS_DEVICE_OWNER_MODE_AFFILIATED,
diff --git a/core/java/android/app/admin/DevicePolicyIdentifiers.java b/core/java/android/app/admin/DevicePolicyIdentifiers.java
index 3c56aaf..eeaf0b3 100644
--- a/core/java/android/app/admin/DevicePolicyIdentifiers.java
+++ b/core/java/android/app/admin/DevicePolicyIdentifiers.java
@@ -16,13 +16,13 @@
 
 package android.app.admin;
 
+import static android.app.admin.flags.Flags.FLAG_POLICY_ENGINE_MIGRATION_V2_ENABLED;
 import static android.app.admin.flags.Flags.FLAG_SECURITY_LOG_V2_ENABLED;
 
 import android.annotation.FlaggedApi;
 import android.annotation.NonNull;
 import android.annotation.SystemApi;
 import android.annotation.TestApi;
-import android.app.admin.flags.Flags;
 import android.os.UserManager;
 
 import java.util.Objects;
@@ -188,13 +188,13 @@
     /**
      * String identifier for {@link DevicePolicyManager#setUsbDataSignalingEnabled}.
      */
-    @FlaggedApi(Flags.FLAG_POLICY_ENGINE_MIGRATION_V2_ENABLED)
+    @FlaggedApi(FLAG_POLICY_ENGINE_MIGRATION_V2_ENABLED)
     public static final String USB_DATA_SIGNALING_POLICY = "usbDataSignaling";
 
     /**
      * String identifier for {@link DevicePolicyManager#setRequiredPasswordComplexity}.
      */
-    @FlaggedApi(Flags.FLAG_POLICY_ENGINE_MIGRATION_V2_ENABLED)
+    @FlaggedApi(FLAG_POLICY_ENGINE_MIGRATION_V2_ENABLED)
     public static final String PASSWORD_COMPLEXITY_POLICY = "passwordComplexity";
 
     /**
diff --git a/core/java/android/app/admin/DevicePolicyManager.java b/core/java/android/app/admin/DevicePolicyManager.java
index a6fda9d..083705b 100644
--- a/core/java/android/app/admin/DevicePolicyManager.java
+++ b/core/java/android/app/admin/DevicePolicyManager.java
@@ -53,8 +53,11 @@
 import static android.Manifest.permission.REQUEST_PASSWORD_COMPLEXITY;
 import static android.Manifest.permission.SET_TIME;
 import static android.Manifest.permission.SET_TIME_ZONE;
+import static android.app.admin.flags.Flags.FLAG_DEVICE_THEFT_API_ENABLED;
 import static android.app.admin.flags.Flags.FLAG_ESIM_MANAGEMENT_ENABLED;
 import static android.app.admin.flags.Flags.FLAG_DEVICE_POLICY_SIZE_TRACKING_ENABLED;
+import static android.app.admin.flags.Flags.FLAG_HEADLESS_DEVICE_OWNER_SINGLE_USER_ENABLED;
+import static android.app.admin.flags.Flags.FLAG_PERMISSION_MIGRATION_FOR_ZERO_TRUST_API_ENABLED;
 import static android.app.admin.flags.Flags.FLAG_SECURITY_LOG_V2_ENABLED;
 import static android.app.admin.flags.Flags.onboardingBugreportV2Enabled;
 import static android.app.admin.flags.Flags.FLAG_IS_MTE_POLICY_ENFORCED;
@@ -90,7 +93,6 @@
 import android.app.IServiceConnection;
 import android.app.KeyguardManager;
 import android.app.admin.SecurityLog.SecurityEvent;
-import android.app.admin.flags.Flags;
 import android.app.compat.CompatChanges;
 import android.compat.annotation.ChangeId;
 import android.compat.annotation.EnabledSince;
@@ -153,10 +155,10 @@
 import com.android.internal.infra.AndroidFuture;
 import com.android.internal.net.NetworkUtilsInternal;
 import com.android.internal.os.BackgroundThread;
+import com.android.internal.os.Zygote;
 import com.android.internal.util.ArrayUtils;
 import com.android.internal.util.Preconditions;
 import com.android.org.conscrypt.TrustedCertificateStore;
-import com.android.internal.os.Zygote;
 
 import java.io.ByteArrayInputStream;
 import java.io.FileNotFoundException;
@@ -2879,7 +2881,7 @@
      * @hide
      */
     @SystemApi
-    @FlaggedApi(Flags.FLAG_HEADLESS_DEVICE_OWNER_SINGLE_USER_ENABLED)
+    @FlaggedApi(FLAG_HEADLESS_DEVICE_OWNER_SINGLE_USER_ENABLED)
     public static final int STATUS_HEADLESS_ONLY_SYSTEM_USER = 17;
 
     /**
@@ -13447,7 +13449,7 @@
      */
     @RequiresPermission(value = MANAGE_DEVICE_POLICY_QUERY_SYSTEM_UPDATES, conditional = true)
     @SuppressLint("RequiresPermission")
-    @FlaggedApi(Flags.FLAG_PERMISSION_MIGRATION_FOR_ZERO_TRUST_API_ENABLED)
+    @FlaggedApi(FLAG_PERMISSION_MIGRATION_FOR_ZERO_TRUST_API_ENABLED)
     public @Nullable SystemUpdateInfo getPendingSystemUpdate(@Nullable ComponentName admin) {
         throwIfParentInstance("getPendingSystemUpdate");
         try {
@@ -16608,7 +16610,7 @@
      */
     @RequiresPermission(value = MANAGE_DEVICE_POLICY_CERTIFICATES, conditional = true)
     @SuppressLint("RequiresPermission")
-    @FlaggedApi(Flags.FLAG_PERMISSION_MIGRATION_FOR_ZERO_TRUST_API_ENABLED)
+    @FlaggedApi(FLAG_PERMISSION_MIGRATION_FOR_ZERO_TRUST_API_ENABLED)
     @NonNull public String getEnrollmentSpecificId() {
         throwIfParentInstance("getEnrollmentSpecificId");
         if (mService == null) {
@@ -17134,7 +17136,7 @@
      */
     @SystemApi
     @RequiresPermission(value = MANAGE_DEVICE_POLICY_THEFT_DETECTION)
-    @FlaggedApi(Flags.FLAG_DEVICE_THEFT_API_ENABLED)
+    @FlaggedApi(FLAG_DEVICE_THEFT_API_ENABLED)
     public boolean isTheftDetectionTriggered() {
         throwIfParentInstance("isTheftDetectionTriggered");
         if (mService == null) {
diff --git a/core/java/android/app/admin/SecurityLog.java b/core/java/android/app/admin/SecurityLog.java
index ed1b8ca..477f2e0 100644
--- a/core/java/android/app/admin/SecurityLog.java
+++ b/core/java/android/app/admin/SecurityLog.java
@@ -16,6 +16,8 @@
 
 package android.app.admin;
 
+import static android.app.admin.flags.Flags.FLAG_BACKUP_SERVICE_SECURITY_LOG_EVENT_ENABLED;
+
 import android.Manifest;
 import android.annotation.FlaggedApi;
 import android.annotation.IntDef;
@@ -24,7 +26,6 @@
 import android.annotation.RequiresPermission;
 import android.annotation.SystemApi;
 import android.annotation.TestApi;
-import android.app.admin.flags.Flags;
 import android.compat.annotation.UnsupportedAppUsage;
 import android.content.ComponentName;
 import android.os.Build;
@@ -610,7 +611,7 @@
      * <li> [2] backup service state ({@code Integer}, 1 for enabled, 0 for disabled)
      * @see DevicePolicyManager#setBackupServiceEnabled(ComponentName, boolean)
      */
-    @FlaggedApi(Flags.FLAG_BACKUP_SERVICE_SECURITY_LOG_EVENT_ENABLED)
+    @FlaggedApi(FLAG_BACKUP_SERVICE_SECURITY_LOG_EVENT_ENABLED)
     public static final int TAG_BACKUP_SERVICE_TOGGLED =
             SecurityLogTags.SECURITY_BACKUP_SERVICE_TOGGLED;
     /**
diff --git a/core/java/android/app/ondeviceintelligence/Content.aidl b/core/java/android/app/ondeviceintelligence/Content.aidl
new file mode 100644
index 0000000..40f0ef9
--- /dev/null
+++ b/core/java/android/app/ondeviceintelligence/Content.aidl
@@ -0,0 +1,22 @@
+/**
+ * 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 android.app.ondeviceintelligence;
+
+/**
+  * @hide
+  */
+parcelable Content;
diff --git a/core/java/android/app/ondeviceintelligence/Content.java b/core/java/android/app/ondeviceintelligence/Content.java
new file mode 100644
index 0000000..51bd156
--- /dev/null
+++ b/core/java/android/app/ondeviceintelligence/Content.java
@@ -0,0 +1,90 @@
+/*
+ * 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 android.app.ondeviceintelligence;
+
+import static android.app.ondeviceintelligence.flags.Flags.FLAG_ENABLE_ON_DEVICE_INTELLIGENCE;
+
+import android.annotation.FlaggedApi;
+import android.annotation.NonNull;
+import android.annotation.SystemApi;
+import android.os.Bundle;
+import android.os.Parcel;
+import android.os.Parcelable;
+
+import java.util.Objects;
+
+/**
+ * Represents content sent to and received from the on-device inference service.
+ * Can contain a collection of text, image, and binary parts or any combination of these.
+ *
+ * @hide
+ */
+@SystemApi
+@FlaggedApi(FLAG_ENABLE_ON_DEVICE_INTELLIGENCE)
+public final class Content implements Parcelable {
+    //TODO: Improve javadoc after adding validation logic.
+    private static final String TAG = "Content";
+    private final Bundle mData;
+
+    /**
+     * Create a content object using a Bundle of only known types that are read-only.
+     */
+    public Content(@NonNull Bundle data) {
+        Objects.requireNonNull(data);
+        validateBundleData(data);
+        this.mData = data;
+    }
+
+    /**
+     * Returns the Content's data represented as a Bundle.
+     */
+    @NonNull
+    public Bundle getData() {
+        return mData;
+    }
+
+    @Override
+    public void writeToParcel(@NonNull Parcel dest, int flags) {
+        dest.writeBundle(mData);
+    }
+
+    @Override
+    public int describeContents() {
+        int mask = 0;
+        mask |= mData.describeContents();
+        return mask;
+    }
+
+    @NonNull
+    public static final Creator<Content> CREATOR = new Creator<>() {
+        @Override
+        @NonNull
+        public Content createFromParcel(@NonNull Parcel in) {
+            return new Content(in.readBundle(getClass().getClassLoader()));
+        }
+
+        @Override
+        @NonNull
+        public Content[] newArray(int size) {
+            return new Content[size];
+        }
+    };
+
+    private void validateBundleData(Bundle unused) {
+        // TODO: Validate there are only known types.
+    }
+}
diff --git a/core/java/android/app/ondeviceintelligence/DownloadCallback.java b/core/java/android/app/ondeviceintelligence/DownloadCallback.java
new file mode 100644
index 0000000..684c71f
--- /dev/null
+++ b/core/java/android/app/ondeviceintelligence/DownloadCallback.java
@@ -0,0 +1,114 @@
+/*
+ * 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 android.app.ondeviceintelligence;
+
+import static android.app.ondeviceintelligence.flags.Flags.FLAG_ENABLE_ON_DEVICE_INTELLIGENCE;
+
+import android.annotation.FlaggedApi;
+import android.annotation.NonNull;
+import android.annotation.Nullable;
+import android.annotation.SystemApi;
+import android.os.PersistableBundle;
+
+import androidx.annotation.IntDef;
+
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+
+/**
+ * Callback functions used for feature downloading via the
+ * {@link OnDeviceIntelligenceManager#requestFeatureDownload}.
+ *
+ * @hide
+ */
+@SystemApi
+@FlaggedApi(FLAG_ENABLE_ON_DEVICE_INTELLIGENCE)
+public interface DownloadCallback {
+    int DOWNLOAD_FAILURE_STATUS_UNKNOWN = 0;
+
+    /**
+     * Sent when feature download could not succeed due to there being no available disk space on
+     * the device.
+     */
+    int DOWNLOAD_FAILURE_STATUS_NOT_ENOUGH_DISK_SPACE = 1;
+
+    /**
+     * Sent when feature download could not succeed due to a network error.
+     */
+    int DOWNLOAD_FAILURE_STATUS_NETWORK_FAILURE = 2;
+
+    /**
+     * Sent when feature download has been initiated already, hence no need to request download
+     * again. Caller can query {@link OnDeviceIntelligenceManager#getFeatureStatus} to check if
+     * download has been completed.
+     */
+    int DOWNLOAD_FAILURE_STATUS_DOWNLOADING = 3;
+
+    /**
+     * Sent when feature download did not start due to errors (e.g. remote exception of features not
+     * available). Caller can query {@link OnDeviceIntelligenceManager#getFeatureStatus} to check
+     * if feature-status is {@link FeatureDetails#FEATURE_STATUS_DOWNLOADABLE}.
+     */
+    int DOWNLOAD_FAILURE_STATUS_UNAVAILABLE = 4;
+
+    /** @hide */
+    @IntDef(value = {
+            DOWNLOAD_FAILURE_STATUS_UNKNOWN,
+            DOWNLOAD_FAILURE_STATUS_NOT_ENOUGH_DISK_SPACE,
+            DOWNLOAD_FAILURE_STATUS_NETWORK_FAILURE,
+            DOWNLOAD_FAILURE_STATUS_DOWNLOADING,
+            DOWNLOAD_FAILURE_STATUS_UNAVAILABLE
+    }, open = true)
+    @Retention(RetentionPolicy.SOURCE)
+    @interface DownloadFailureStatus {
+    }
+
+    /**
+     * Called when model download started properly.
+     *
+     * @param bytesToDownload the total bytes to be downloaded for this {@link Feature}
+     */
+    default void onDownloadStarted(long bytesToDownload) {
+    }
+
+    /**
+     * Called when model download failed.
+     *
+     * @param failureStatus the download failure status
+     * @param errorMessage  the error message associated with the download failure
+     */
+    void onDownloadFailed(
+            @DownloadFailureStatus int failureStatus,
+            @Nullable String errorMessage,
+            @NonNull PersistableBundle errorParams);
+
+    /**
+     * Called when model download is in progress.
+     *
+     * @param totalBytesDownloaded the already downloaded bytes for this {@link Feature}
+     */
+    default void onDownloadProgress(long totalBytesDownloaded) {
+    }
+
+    /**
+     * Called when model download via MDD completed. The remote implementation can populate any
+     * associated download params like file stats etc. in this callback to inform the client.
+     *
+     * @param downloadParams params containing info about the completed download.
+     */
+    void onDownloadCompleted(@NonNull PersistableBundle downloadParams);
+}
diff --git a/core/java/android/app/ondeviceintelligence/Feature.aidl b/core/java/android/app/ondeviceintelligence/Feature.aidl
new file mode 100644
index 0000000..18494d7
--- /dev/null
+++ b/core/java/android/app/ondeviceintelligence/Feature.aidl
@@ -0,0 +1,22 @@
+/*
+ * 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 android.app.ondeviceintelligence;
+
+/**
+  * @hide
+  */
+parcelable Feature;
diff --git a/core/java/android/app/ondeviceintelligence/Feature.java b/core/java/android/app/ondeviceintelligence/Feature.java
new file mode 100644
index 0000000..5107354
--- /dev/null
+++ b/core/java/android/app/ondeviceintelligence/Feature.java
@@ -0,0 +1,279 @@
+/*
+ * 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 android.app.ondeviceintelligence;
+
+import static android.app.ondeviceintelligence.flags.Flags.FLAG_ENABLE_ON_DEVICE_INTELLIGENCE;
+
+import android.annotation.FlaggedApi;
+import android.annotation.NonNull;
+import android.annotation.Nullable;
+import android.annotation.SystemApi;
+import android.os.Parcel;
+import android.os.Parcelable;
+import android.os.PersistableBundle;
+
+/**
+ * Represents a typical feature associated with on-device intelligence.
+ *
+ * @hide
+ */
+@SystemApi
+@FlaggedApi(FLAG_ENABLE_ON_DEVICE_INTELLIGENCE)
+public final class Feature implements Parcelable {
+    // TODO(b/325315604) - Check if we can expose non-hidden IntDefs in Framework.
+    private final int mId;
+    @Nullable
+    private final String mName;
+    @Nullable
+    private final String mModelName;
+    private final int mType;
+    private final int mVariant;
+    @NonNull
+    private final PersistableBundle mFeatureParams;
+
+    /* package-private */ Feature(
+            int id,
+            @Nullable String name,
+            @Nullable String modelName,
+            int type,
+            int variant,
+            @NonNull PersistableBundle featureParams) {
+        this.mId = id;
+        this.mName = name;
+        this.mModelName = modelName;
+        this.mType = type;
+        this.mVariant = variant;
+        this.mFeatureParams = featureParams;
+        com.android.internal.util.AnnotationValidations.validate(
+                NonNull.class, null, mFeatureParams);
+    }
+
+    /** Returns the unique and immutable identifier of this feature. */
+    public int getId() {
+        return mId;
+    }
+
+    /** Returns human-readable name of this feature. */
+    public @Nullable String getName() {
+        return mName;
+    }
+
+    /** Returns base model name of this feature. */
+    public @Nullable String getModelName() {
+        return mModelName;
+    }
+
+    /** Returns type identifier of this feature. */
+    public int getType() {
+        return mType;
+    }
+
+    /** Returns variant kind for this feature. */
+    public int getVariant() {
+        return mVariant;
+    }
+
+    public @NonNull PersistableBundle getFeatureParams() {
+        return mFeatureParams;
+    }
+
+    @Override
+    public String toString() {
+        return "Feature { " +
+                "id = " + mId + ", " +
+                "name = " + mName + ", " +
+                "modelName = " + mModelName + ", " +
+                "type = " + mType + ", " +
+                "variant = " + mVariant + ", " +
+                "featureParams = " + mFeatureParams +
+                " }";
+    }
+
+    @Override
+    public boolean equals(@Nullable Object o) {
+        if (this == o) return true;
+        if (o == null || getClass() != o.getClass()) return false;
+        @SuppressWarnings("unchecked")
+        Feature that = (Feature) o;
+        //noinspection PointlessBooleanExpression
+        return true
+                && mId == that.mId
+                && java.util.Objects.equals(mName, that.mName)
+                && java.util.Objects.equals(mModelName, that.mModelName)
+                && mType == that.mType
+                && mVariant == that.mVariant
+                && java.util.Objects.equals(mFeatureParams, that.mFeatureParams);
+    }
+
+    @Override
+    public int hashCode() {
+        int _hash = 1;
+        _hash = 31 * _hash + mId;
+        _hash = 31 * _hash + java.util.Objects.hashCode(mName);
+        _hash = 31 * _hash + java.util.Objects.hashCode(mModelName);
+        _hash = 31 * _hash + mType;
+        _hash = 31 * _hash + mVariant;
+        _hash = 31 * _hash + java.util.Objects.hashCode(mFeatureParams);
+        return _hash;
+    }
+
+    @Override
+    public void writeToParcel(@NonNull Parcel dest, int flags) {
+        byte flg = 0;
+        if (mName != null) flg |= 0x2;
+        if (mModelName != null) flg |= 0x4;
+        dest.writeByte(flg);
+        dest.writeInt(mId);
+        if (mName != null) dest.writeString8(mName);
+        if (mModelName != null) dest.writeString8(mModelName);
+        dest.writeInt(mType);
+        dest.writeInt(mVariant);
+        dest.writeTypedObject(mFeatureParams, flags);
+    }
+
+    @Override
+    public int describeContents() {
+        return 0;
+    }
+
+    /** @hide */
+    @SuppressWarnings({"unchecked", "RedundantCast"})
+    /* package-private */ Feature(@NonNull Parcel in) {
+        byte flg = in.readByte();
+        int id = in.readInt();
+        String name = (flg & 0x2) == 0 ? null : in.readString();
+        String modelName = (flg & 0x4) == 0 ? null : in.readString();
+        int type = in.readInt();
+        int variant = in.readInt();
+        PersistableBundle featureParams = (PersistableBundle) in.readTypedObject(
+                PersistableBundle.CREATOR);
+
+        this.mId = id;
+        this.mName = name;
+        this.mModelName = modelName;
+        this.mType = type;
+        this.mVariant = variant;
+        this.mFeatureParams = featureParams;
+        com.android.internal.util.AnnotationValidations.validate(
+                NonNull.class, null, mFeatureParams);
+    }
+
+    public static final @NonNull Parcelable.Creator<Feature> CREATOR
+            = new Parcelable.Creator<Feature>() {
+        @Override
+        public Feature[] newArray(int size) {
+            return new Feature[size];
+        }
+
+        @Override
+        public Feature createFromParcel(@NonNull Parcel in) {
+            return new Feature(in);
+        }
+    };
+
+    /**
+     * A builder for {@link Feature}
+     */
+    @SuppressWarnings("WeakerAccess")
+    public static final class Builder {
+        private int mId;
+        private @Nullable String mName;
+        private @Nullable String mModelName;
+        private int mType;
+        private int mVariant;
+        private @NonNull PersistableBundle mFeatureParams;
+
+        private long mBuilderFieldsSet = 0L;
+
+        public Builder(
+                int id,
+                int type,
+                int variant,
+                @NonNull PersistableBundle featureParams) {
+            mId = id;
+            mType = type;
+            mVariant = variant;
+            mFeatureParams = featureParams;
+            com.android.internal.util.AnnotationValidations.validate(
+                    NonNull.class, null, mFeatureParams);
+        }
+
+        public @NonNull Builder setId(int value) {
+            checkNotUsed();
+            mBuilderFieldsSet |= 0x1;
+            mId = value;
+            return this;
+        }
+
+        public @NonNull Builder setName(@NonNull String value) {
+            checkNotUsed();
+            mBuilderFieldsSet |= 0x2;
+            mName = value;
+            return this;
+        }
+
+        public @NonNull Builder setModelName(@NonNull String value) {
+            checkNotUsed();
+            mBuilderFieldsSet |= 0x4;
+            mModelName = value;
+            return this;
+        }
+
+        public @NonNull Builder setType(int value) {
+            checkNotUsed();
+            mBuilderFieldsSet |= 0x8;
+            mType = value;
+            return this;
+        }
+
+        public @NonNull Builder setVariant(int value) {
+            checkNotUsed();
+            mBuilderFieldsSet |= 0x10;
+            mVariant = value;
+            return this;
+        }
+
+        public @NonNull Builder setFeatureParams(@NonNull PersistableBundle value) {
+            checkNotUsed();
+            mBuilderFieldsSet |= 0x20;
+            mFeatureParams = value;
+            return this;
+        }
+
+        /** Builds the instance. This builder should not be touched after calling this! */
+        public @NonNull Feature build() {
+            checkNotUsed();
+            mBuilderFieldsSet |= 0x40; // Mark builder used
+
+            Feature o = new Feature(
+                    mId,
+                    mName,
+                    mModelName,
+                    mType,
+                    mVariant,
+                    mFeatureParams);
+            return o;
+        }
+
+        private void checkNotUsed() {
+            if ((mBuilderFieldsSet & 0x40) != 0) {
+                throw new IllegalStateException(
+                        "This Builder should not be reused. Use a new Builder instance instead");
+            }
+        }
+    }
+}
diff --git a/core/java/android/app/ondeviceintelligence/FeatureDetails.aidl b/core/java/android/app/ondeviceintelligence/FeatureDetails.aidl
new file mode 100644
index 0000000..0589bf8
--- /dev/null
+++ b/core/java/android/app/ondeviceintelligence/FeatureDetails.aidl
@@ -0,0 +1,22 @@
+/*
+ * 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 android.app.ondeviceintelligence;
+
+/**
+  * @hide
+  */
+parcelable FeatureDetails;
diff --git a/core/java/android/app/ondeviceintelligence/FeatureDetails.java b/core/java/android/app/ondeviceintelligence/FeatureDetails.java
new file mode 100644
index 0000000..92f3513
--- /dev/null
+++ b/core/java/android/app/ondeviceintelligence/FeatureDetails.java
@@ -0,0 +1,176 @@
+/*
+ * 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 android.app.ondeviceintelligence;
+
+import static android.app.ondeviceintelligence.flags.Flags.FLAG_ENABLE_ON_DEVICE_INTELLIGENCE;
+
+import android.annotation.FlaggedApi;
+import android.annotation.NonNull;
+import android.annotation.SystemApi;
+import android.os.Parcelable;
+import android.os.PersistableBundle;
+
+import androidx.annotation.IntDef;
+
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+import java.text.MessageFormat;
+
+/**
+ * Represents a status of a requested {@link Feature}.
+ *
+ * @hide
+ */
+@SystemApi
+@FlaggedApi(FLAG_ENABLE_ON_DEVICE_INTELLIGENCE)
+public final class FeatureDetails implements Parcelable {
+    @Status
+    private final int mStatus;
+    @NonNull
+    private final PersistableBundle mFeatureDetailParams;
+
+    /** Invalid or unavailable {@code AiFeature}. */
+    public static final int FEATURE_STATUS_UNAVAILABLE = 0;
+
+    /** Feature can be downloaded on request. */
+    public static final int FEATURE_STATUS_DOWNLOADABLE = 1;
+
+    /** Feature is being downloaded. */
+    public static final int FEATURE_STATUS_DOWNLOADING = 2;
+
+    /** Feature is fully downloaded and ready to use. */
+    public static final int FEATURE_STATUS_AVAILABLE = 3;
+
+    /** Underlying service is unavailable and feature status cannot be fetched. */
+    public static final int FEATURE_STATUS_SERVICE_UNAVAILABLE = 4;
+
+    @IntDef(value = {
+            FEATURE_STATUS_UNAVAILABLE,
+            FEATURE_STATUS_DOWNLOADABLE,
+            FEATURE_STATUS_DOWNLOADING,
+            FEATURE_STATUS_AVAILABLE,
+            FEATURE_STATUS_SERVICE_UNAVAILABLE
+    }, open = true)
+    @Target({ElementType.TYPE_USE, ElementType.METHOD, ElementType.PARAMETER, ElementType.FIELD})
+    @Retention(RetentionPolicy.SOURCE)
+    public @interface Status {
+    }
+
+    public FeatureDetails(
+            @Status int status,
+            @NonNull PersistableBundle featureDetailParams) {
+        this.mStatus = status;
+        com.android.internal.util.AnnotationValidations.validate(
+                Status.class, null, mStatus);
+        this.mFeatureDetailParams = featureDetailParams;
+        com.android.internal.util.AnnotationValidations.validate(
+                NonNull.class, null, mFeatureDetailParams);
+    }
+
+    public FeatureDetails(
+            @Status int status) {
+        this.mStatus = status;
+        com.android.internal.util.AnnotationValidations.validate(
+                Status.class, null, mStatus);
+        this.mFeatureDetailParams = new PersistableBundle();
+    }
+
+
+    /**
+     * Returns an integer value associated with the feature status.
+     */
+    public @Status int getStatus() {
+        return mStatus;
+    }
+
+
+    /**
+     * Returns a persistable bundle contain any additional status related params.
+     */
+    public @NonNull PersistableBundle getFeatureDetailParams() {
+        return mFeatureDetailParams;
+    }
+
+    @Override
+    public String toString() {
+        return MessageFormat.format("FeatureDetails '{' status = {0}, "
+                        + "persistableBundle = {1} '}'",
+                mStatus,
+                mFeatureDetailParams);
+    }
+
+    @Override
+    public boolean equals(@android.annotation.Nullable Object o) {
+        if (this == o) return true;
+        if (o == null || getClass() != o.getClass()) return false;
+        @SuppressWarnings("unchecked")
+        FeatureDetails that = (FeatureDetails) o;
+        return mStatus == that.mStatus
+                && java.util.Objects.equals(mFeatureDetailParams, that.mFeatureDetailParams);
+    }
+
+    @Override
+    public int hashCode() {
+        int _hash = 1;
+        _hash = 31 * _hash + mStatus;
+        _hash = 31 * _hash + java.util.Objects.hashCode(mFeatureDetailParams);
+        return _hash;
+    }
+
+    @Override
+    public void writeToParcel(@NonNull android.os.Parcel dest, int flags) {
+        dest.writeInt(mStatus);
+        dest.writeTypedObject(mFeatureDetailParams, flags);
+    }
+
+    @Override
+    public int describeContents() {
+        return 0;
+    }
+
+    /** @hide */
+    @SuppressWarnings({"unchecked", "RedundantCast"})
+    FeatureDetails(@NonNull android.os.Parcel in) {
+        int status = in.readInt();
+        PersistableBundle persistableBundle = (PersistableBundle) in.readTypedObject(
+                PersistableBundle.CREATOR);
+
+        this.mStatus = status;
+        com.android.internal.util.AnnotationValidations.validate(
+                Status.class, null, mStatus);
+        this.mFeatureDetailParams = persistableBundle;
+        com.android.internal.util.AnnotationValidations.validate(
+                NonNull.class, null, mFeatureDetailParams);
+    }
+
+
+    public static final @NonNull Parcelable.Creator<FeatureDetails> CREATOR =
+            new Parcelable.Creator<>() {
+                @Override
+                public FeatureDetails[] newArray(int size) {
+                    return new FeatureDetails[size];
+                }
+
+                @Override
+                public FeatureDetails createFromParcel(@NonNull android.os.Parcel in) {
+                    return new FeatureDetails(in);
+                }
+            };
+
+}
diff --git a/core/java/android/app/ondeviceintelligence/FilePart.java b/core/java/android/app/ondeviceintelligence/FilePart.java
new file mode 100644
index 0000000..e9fb5f2
--- /dev/null
+++ b/core/java/android/app/ondeviceintelligence/FilePart.java
@@ -0,0 +1,137 @@
+/*
+ * 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 android.app.ondeviceintelligence;
+
+import static android.app.ondeviceintelligence.flags.Flags.FLAG_ENABLE_ON_DEVICE_INTELLIGENCE;
+
+import android.annotation.FlaggedApi;
+import android.annotation.SystemApi;
+import android.os.Parcel;
+import android.os.ParcelFileDescriptor;
+import android.os.Parcelable;
+import android.os.PersistableBundle;
+
+import android.annotation.NonNull;
+
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.FileNotFoundException;
+import java.io.IOException;
+import java.util.Objects;
+
+/**
+ * Represents file data with an associated file descriptor sent to and received from remote
+ * processing. The interface ensures that the underlying file-descriptor is always opened in
+ * read-only mode.
+ *
+ * @hide
+ */
+@FlaggedApi(FLAG_ENABLE_ON_DEVICE_INTELLIGENCE)
+@SystemApi
+public final class FilePart implements Parcelable {
+    private final String mPartKey;
+    private final PersistableBundle mPartParams;
+    private final ParcelFileDescriptor mParcelFileDescriptor;
+
+    private FilePart(@NonNull String partKey, @NonNull PersistableBundle partParams,
+            @NonNull ParcelFileDescriptor parcelFileDescriptor) {
+        Objects.requireNonNull(partKey);
+        Objects.requireNonNull(partParams);
+        this.mPartKey = partKey;
+        this.mPartParams = partParams;
+        this.mParcelFileDescriptor = Objects.requireNonNull(parcelFileDescriptor);
+    }
+
+    /**
+     * Create a file part using a filePath and any additional params.
+     */
+    public FilePart(@NonNull String partKey, @NonNull PersistableBundle partParams,
+            @NonNull String filePath)
+            throws FileNotFoundException {
+        this(partKey, partParams, Objects.requireNonNull(ParcelFileDescriptor.open(
+                new File(Objects.requireNonNull(filePath)), ParcelFileDescriptor.MODE_READ_ONLY)));
+    }
+
+    /**
+     * Create a file part using a file input stream and any additional params.
+     * It is the caller's responsibility to close the stream. It is safe to do so as soon as this
+     * call returns.
+     */
+    public FilePart(@NonNull String partKey, @NonNull PersistableBundle partParams,
+            @NonNull FileInputStream fileInputStream)
+            throws IOException {
+        this(partKey, partParams, ParcelFileDescriptor.dup(fileInputStream.getFD()));
+    }
+
+    /**
+     * Returns a FileInputStream for the associated File.
+     * Caller must close the associated stream when done reading from it.
+     *
+     * @return the FileInputStream associated with the FilePart.
+     */
+    @NonNull
+    public FileInputStream getFileInputStream() {
+        return new FileInputStream(mParcelFileDescriptor.getFileDescriptor());
+    }
+
+    /**
+     * Returns the unique key associated with the part. Each Part key added to a content object
+     * should be ensured to be unique.
+     */
+    @NonNull
+    public String getFilePartKey() {
+        return mPartKey;
+    }
+
+    /**
+     * Returns the params associated with Part.
+     */
+    @NonNull
+    public PersistableBundle getFilePartParams() {
+        return mPartParams;
+    }
+
+
+    @Override
+    public int describeContents() {
+        return CONTENTS_FILE_DESCRIPTOR;
+    }
+
+    @Override
+    public void writeToParcel(@NonNull Parcel dest, int flags) {
+        dest.writeString8(getFilePartKey());
+        dest.writePersistableBundle(getFilePartParams());
+        mParcelFileDescriptor.writeToParcel(dest, flags
+                | Parcelable.PARCELABLE_WRITE_RETURN_VALUE); // This flag ensures that the sender's
+        // copy of the Pfd is closed as soon as the Binder call succeeds.
+    }
+
+    @NonNull
+    public static final Creator<FilePart> CREATOR = new Creator<>() {
+        @Override
+        public FilePart createFromParcel(Parcel in) {
+            return new FilePart(in.readString(), in.readTypedObject(PersistableBundle.CREATOR),
+                    in.readParcelable(
+                            getClass().getClassLoader(), ParcelFileDescriptor.class));
+        }
+
+        @Override
+        public FilePart[] newArray(int size) {
+            return new FilePart[size];
+        }
+    };
+}
diff --git a/core/java/android/app/ondeviceintelligence/IDownloadCallback.aidl b/core/java/android/app/ondeviceintelligence/IDownloadCallback.aidl
new file mode 100644
index 0000000..aba563f
--- /dev/null
+++ b/core/java/android/app/ondeviceintelligence/IDownloadCallback.aidl
@@ -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.
+ */
+
+package android.app.ondeviceintelligence;
+
+import android.app.ondeviceintelligence.IProcessingSignal;
+import android.os.PersistableBundle;
+
+/**
+ * Interface for Download callback to passed onto service implementation,
+ *
+ * @hide
+ */
+oneway interface IDownloadCallback {
+  void onDownloadStarted(long bytesToDownload) = 1;
+  void onDownloadProgress(long bytesDownloaded) = 2;
+  void onDownloadFailed(int failureStatus, String errorMessage, in PersistableBundle errorParams) = 3;
+  void onDownloadCompleted(in PersistableBundle downloadParams) = 4;
+}
\ No newline at end of file
diff --git a/core/java/android/app/ondeviceintelligence/IFeatureCallback.aidl b/core/java/android/app/ondeviceintelligence/IFeatureCallback.aidl
new file mode 100644
index 0000000..93a84ec
--- /dev/null
+++ b/core/java/android/app/ondeviceintelligence/IFeatureCallback.aidl
@@ -0,0 +1,14 @@
+package android.app.ondeviceintelligence;
+
+import android.app.ondeviceintelligence.Feature;
+import android.os.PersistableBundle;
+
+/**
+  * Interface for receiving a feature for the given identifier.
+  *
+  * @hide
+  */
+interface IFeatureCallback {
+    void onSuccess(in Feature result) = 1;
+    void onFailure(int errorCode, in String errorMessage, in PersistableBundle errorParams) = 2;
+}
diff --git a/core/java/android/app/ondeviceintelligence/IFeatureDetailsCallback.aidl b/core/java/android/app/ondeviceintelligence/IFeatureDetailsCallback.aidl
new file mode 100644
index 0000000..d950290
--- /dev/null
+++ b/core/java/android/app/ondeviceintelligence/IFeatureDetailsCallback.aidl
@@ -0,0 +1,14 @@
+package android.app.ondeviceintelligence;
+
+import android.app.ondeviceintelligence.FeatureDetails;
+import android.os.PersistableBundle;
+
+/**
+  * Interface for receiving details about a given feature. .
+  *
+  * @hide
+  */
+interface IFeatureDetailsCallback {
+    void onSuccess(in FeatureDetails result) = 1;
+    void onFailure(int errorCode, in String errorMessage, in PersistableBundle errorParams) = 2;
+}
diff --git a/core/java/android/app/ondeviceintelligence/IListFeaturesCallback.aidl b/core/java/android/app/ondeviceintelligence/IListFeaturesCallback.aidl
new file mode 100644
index 0000000..374cb71
--- /dev/null
+++ b/core/java/android/app/ondeviceintelligence/IListFeaturesCallback.aidl
@@ -0,0 +1,15 @@
+package android.app.ondeviceintelligence;
+
+import java.util.List;
+import android.app.ondeviceintelligence.Feature;
+import android.os.PersistableBundle;
+
+/**
+  * Interface for receiving list of supported features.
+  *
+  * @hide
+  */
+interface IListFeaturesCallback {
+    void onSuccess(in List<Feature> result) = 1;
+    void onFailure(int errorCode, in String errorMessage, in PersistableBundle errorParams) = 2;
+}
diff --git a/core/java/android/app/ondeviceintelligence/IOnDeviceIntelligenceManager.aidl b/core/java/android/app/ondeviceintelligence/IOnDeviceIntelligenceManager.aidl
new file mode 100644
index 0000000..b925f48
--- /dev/null
+++ b/core/java/android/app/ondeviceintelligence/IOnDeviceIntelligenceManager.aidl
@@ -0,0 +1,70 @@
+/*
+ * Copyright (C) 2023 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 android.app.ondeviceintelligence;
+
+ import com.android.internal.infra.AndroidFuture;
+ import android.os.ICancellationSignal;
+ import android.os.ParcelFileDescriptor;
+ import android.os.PersistableBundle;
+ import android.os.RemoteCallback;
+ import android.app.ondeviceintelligence.Content;
+ import android.app.ondeviceintelligence.Feature;
+ import android.app.ondeviceintelligence.FeatureDetails;
+ import android.app.ondeviceintelligence.IDownloadCallback;
+ import android.app.ondeviceintelligence.IListFeaturesCallback;
+ import android.app.ondeviceintelligence.IFeatureCallback;
+ import android.app.ondeviceintelligence.IFeatureDetailsCallback;
+ import android.app.ondeviceintelligence.IResponseCallback;
+ import android.app.ondeviceintelligence.IStreamingResponseCallback;
+ import android.app.ondeviceintelligence.IProcessingSignal;
+ import android.app.ondeviceintelligence.ITokenCountCallback;
+
+
+ /**
+  * Interface for a OnDeviceIntelligenceManager for managing OnDeviceIntelligenceService and OnDeviceSandboxedInferenceService.
+  *
+  * @hide
+  */
+ oneway interface IOnDeviceIntelligenceManager {
+      @JavaPassthrough(annotation="@android.annotation.RequiresPermission(android.Manifest.permission.USE_ON_DEVICE_INTELLIGENCE)")
+      void getVersion(in RemoteCallback remoteCallback) = 1;
+
+      @JavaPassthrough(annotation="@android.annotation.RequiresPermission(android.Manifest.permission.USE_ON_DEVICE_INTELLIGENCE)")
+      void getFeature(in int featureId, in IFeatureCallback remoteCallback) = 2;
+
+      @JavaPassthrough(annotation="@android.annotation.RequiresPermission(android.Manifest.permission.USE_ON_DEVICE_INTELLIGENCE)")
+      void listFeatures(in IListFeaturesCallback listFeaturesCallback) = 3;
+
+      @JavaPassthrough(annotation="@android.annotation.RequiresPermission(android.Manifest.permission.USE_ON_DEVICE_INTELLIGENCE)")
+      void getFeatureDetails(in Feature feature, in IFeatureDetailsCallback featureDetailsCallback) = 4;
+
+      @JavaPassthrough(annotation="@android.annotation.RequiresPermission(android.Manifest.permission.USE_ON_DEVICE_INTELLIGENCE)")
+      void requestFeatureDownload(in Feature feature, ICancellationSignal signal, in IDownloadCallback callback) = 5;
+
+      @JavaPassthrough(annotation="@android.annotation.RequiresPermission(android.Manifest.permission.USE_ON_DEVICE_INTELLIGENCE)")
+      void requestTokenCount(in Feature feature, in Content request, in  ICancellationSignal signal,
+                                                        in ITokenCountCallback tokenCountcallback) = 6;
+
+      @JavaPassthrough(annotation="@android.annotation.RequiresPermission(android.Manifest.permission.USE_ON_DEVICE_INTELLIGENCE)")
+      void processRequest(in Feature feature, in Content request, int requestType, in  ICancellationSignal cancellationSignal, in IProcessingSignal signal,
+                                                        in IResponseCallback responseCallback) = 7;
+
+      @JavaPassthrough(annotation="@android.annotation.RequiresPermission(android.Manifest.permission.USE_ON_DEVICE_INTELLIGENCE)")
+      void processRequestStreaming(in Feature feature,
+                    in Content request, int requestType, in  ICancellationSignal cancellationSignal, in  IProcessingSignal signal,
+                    in IStreamingResponseCallback streamingCallback) = 8;
+ }
diff --git a/core/java/android/app/ondeviceintelligence/IProcessingSignal.aidl b/core/java/android/app/ondeviceintelligence/IProcessingSignal.aidl
new file mode 100644
index 0000000..03946ee
--- /dev/null
+++ b/core/java/android/app/ondeviceintelligence/IProcessingSignal.aidl
@@ -0,0 +1,14 @@
+package android.app.ondeviceintelligence;
+
+import android.os.PersistableBundle;
+
+/**
+* Signal to provide to the remote implementation in context of a given request or
+* feature specific event.
+*
+* @hide
+*/
+
+oneway interface IProcessingSignal {
+    void sendSignal(in PersistableBundle actionParams) = 2;
+}
diff --git a/core/java/android/app/ondeviceintelligence/IResponseCallback.aidl b/core/java/android/app/ondeviceintelligence/IResponseCallback.aidl
new file mode 100644
index 0000000..9848e1d
--- /dev/null
+++ b/core/java/android/app/ondeviceintelligence/IResponseCallback.aidl
@@ -0,0 +1,15 @@
+package android.app.ondeviceintelligence;
+
+import android.app.ondeviceintelligence.Content;
+import android.app.ondeviceintelligence.IProcessingSignal;
+import android.os.PersistableBundle;
+
+/**
+  * Interface for a IResponseCallback for receiving response from on-device intelligence service.
+  *
+  * @hide
+  */
+interface IResponseCallback {
+    void onSuccess(in Content result) = 1;
+    void onFailure(int errorCode, in String errorMessage, in PersistableBundle errorParams) = 2;
+}
diff --git a/core/java/android/app/ondeviceintelligence/IStreamingResponseCallback.aidl b/core/java/android/app/ondeviceintelligence/IStreamingResponseCallback.aidl
new file mode 100644
index 0000000..a680574
--- /dev/null
+++ b/core/java/android/app/ondeviceintelligence/IStreamingResponseCallback.aidl
@@ -0,0 +1,18 @@
+package android.app.ondeviceintelligence;
+
+import android.app.ondeviceintelligence.Content;
+import android.app.ondeviceintelligence.IResponseCallback;
+import android.app.ondeviceintelligence.IProcessingSignal;
+import android.os.PersistableBundle;
+
+
+/**
+  * This callback is a streaming variant of {@link IResponseCallback}.
+  *
+  * @hide
+  */
+interface IStreamingResponseCallback {
+    void onNewContent(in Content result) = 1;
+    void onSuccess(in Content result) = 2;
+    void onFailure(int errorCode, in String errorMessage, in PersistableBundle errorParams) = 3;
+}
diff --git a/core/java/android/app/ondeviceintelligence/ITokenCountCallback.aidl b/core/java/android/app/ondeviceintelligence/ITokenCountCallback.aidl
new file mode 100644
index 0000000..b724e03
--- /dev/null
+++ b/core/java/android/app/ondeviceintelligence/ITokenCountCallback.aidl
@@ -0,0 +1,13 @@
+package android.app.ondeviceintelligence;
+
+import android.os.PersistableBundle;
+
+/**
+  * Interface for receiving the token count of a request for a given features.
+  *
+  * @hide
+  */
+interface ITokenCountCallback {
+    void onSuccess(long tokenCount) = 1;
+    void onFailure(int errorCode, in String errorMessage, in PersistableBundle errorParams) = 2;
+}
diff --git a/core/java/android/app/ondeviceintelligence/OWNERS b/core/java/android/app/ondeviceintelligence/OWNERS
index 6932ba2..85e9e65 100644
--- a/core/java/android/app/ondeviceintelligence/OWNERS
+++ b/core/java/android/app/ondeviceintelligence/OWNERS
@@ -4,4 +4,3 @@
 shivanker@google.com
 hackz@google.com
 volnov@google.com
-
diff --git a/core/java/android/app/ondeviceintelligence/OnDeviceIntelligenceManager.java b/core/java/android/app/ondeviceintelligence/OnDeviceIntelligenceManager.java
new file mode 100644
index 0000000..4d8e0d5
--- /dev/null
+++ b/core/java/android/app/ondeviceintelligence/OnDeviceIntelligenceManager.java
@@ -0,0 +1,624 @@
+/*
+ * 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 android.app.ondeviceintelligence;
+
+import static android.app.ondeviceintelligence.flags.Flags.FLAG_ENABLE_ON_DEVICE_INTELLIGENCE;
+
+import android.Manifest;
+import android.annotation.CallbackExecutor;
+import android.annotation.FlaggedApi;
+import android.annotation.NonNull;
+import android.annotation.Nullable;
+import android.annotation.RequiresPermission;
+import android.annotation.SystemApi;
+import android.annotation.SystemService;
+import android.content.Context;
+import android.os.Binder;
+import android.os.CancellationSignal;
+import android.os.ICancellationSignal;
+import android.os.OutcomeReceiver;
+import android.os.PersistableBundle;
+import android.os.RemoteCallback;
+import android.os.RemoteException;
+
+import androidx.annotation.IntDef;
+
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+import java.util.List;
+import java.util.concurrent.Executor;
+import java.util.function.LongConsumer;
+
+/**
+ * Allows granted apps to manage on-device intelligence service configured on the device. Typical
+ * calling pattern will be to query and setup a required feature before proceeding to request
+ * processing.
+ *
+ * The contracts in this Manager class are designed to be open-ended in general, to allow
+ * interoperability. Therefore, it is recommended that implementations of this system-service
+ * expose this API to the clients via a separate sdk or library which has more defined contract.
+ *
+ * @hide
+ */
+@SystemApi
+@SystemService(Context.ON_DEVICE_INTELLIGENCE_SERVICE)
+@FlaggedApi(FLAG_ENABLE_ON_DEVICE_INTELLIGENCE)
+public class OnDeviceIntelligenceManager {
+    public static final String API_VERSION_BUNDLE_KEY = "ApiVersionBundleKey";
+    private final Context mContext;
+    private final IOnDeviceIntelligenceManager mService;
+
+    /**
+     * @hide
+     */
+    public OnDeviceIntelligenceManager(Context context, IOnDeviceIntelligenceManager service) {
+        mContext = context;
+        mService = service;
+    }
+
+    /**
+     * Asynchronously get the version of the underlying remote implementation.
+     *
+     * @param versionConsumer  consumer to populate the version of remote implementation.
+     * @param callbackExecutor executor to run the callback on.
+     */
+    @RequiresPermission(Manifest.permission.USE_ON_DEVICE_INTELLIGENCE)
+    public void getVersion(
+            @NonNull @CallbackExecutor Executor callbackExecutor,
+            @NonNull LongConsumer versionConsumer) {
+        // TODO explore modifying this method into getServicePackageDetails and return both
+        //  version and package name of the remote service implementing this.
+        try {
+            RemoteCallback callback = new RemoteCallback(result -> {
+                if (result == null) {
+                    Binder.withCleanCallingIdentity(
+                            () -> callbackExecutor.execute(() -> versionConsumer.accept(0)));
+                }
+                long version = result.getLong(API_VERSION_BUNDLE_KEY);
+                Binder.withCleanCallingIdentity(
+                        () -> callbackExecutor.execute(() -> versionConsumer.accept(version)));
+            });
+            mService.getVersion(callback);
+        } catch (RemoteException e) {
+            throw e.rethrowFromSystemServer();
+        }
+    }
+
+    /**
+     * Asynchronously get feature for a given id.
+     *
+     * @param featureId        the identifier pointing to the feature.
+     * @param featureReceiver  callback to populate the feature object for given identifier.
+     * @param callbackExecutor executor to run the callback on.
+     */
+    @RequiresPermission(Manifest.permission.USE_ON_DEVICE_INTELLIGENCE)
+    public void getFeature(
+            int featureId,
+            @NonNull @CallbackExecutor Executor callbackExecutor,
+            @NonNull OutcomeReceiver<Feature, OnDeviceIntelligenceManagerException> featureReceiver) {
+        try {
+            IFeatureCallback callback =
+                    new IFeatureCallback.Stub() {
+                        @Override
+                        public void onSuccess(Feature result) {
+                            Binder.withCleanCallingIdentity(() -> callbackExecutor.execute(
+                                    () -> featureReceiver.onResult(result)));
+                        }
+
+                        @Override
+                        public void onFailure(int errorCode, String errorMessage,
+                                PersistableBundle errorParams) {
+                            Binder.withCleanCallingIdentity(() -> callbackExecutor.execute(
+                                    () -> featureReceiver.onError(
+                                            new OnDeviceIntelligenceManagerException(
+                                                    errorCode, errorMessage, errorParams))));
+                        }
+                    };
+            mService.getFeature(featureId, callback);
+        } catch (RemoteException e) {
+            throw e.rethrowFromSystemServer();
+        }
+    }
+
+    /**
+     * Asynchronously get a list of features that are supported for the caller.
+     *
+     * @param featureListReceiver callback to populate the list of features.
+     * @param callbackExecutor    executor to run the callback on.
+     */
+    @RequiresPermission(Manifest.permission.USE_ON_DEVICE_INTELLIGENCE)
+    public void listFeatures(
+            @NonNull @CallbackExecutor Executor callbackExecutor,
+            @NonNull OutcomeReceiver<List<Feature>, OnDeviceIntelligenceManagerException> featureListReceiver) {
+        try {
+            IListFeaturesCallback callback =
+                    new IListFeaturesCallback.Stub() {
+                        @Override
+                        public void onSuccess(List<Feature> result) {
+                            Binder.withCleanCallingIdentity(() -> callbackExecutor.execute(
+                                    () -> featureListReceiver.onResult(result)));
+                        }
+
+                        @Override
+                        public void onFailure(int errorCode, String errorMessage,
+                                PersistableBundle errorParams) {
+                            Binder.withCleanCallingIdentity(() -> callbackExecutor.execute(
+                                    () -> featureListReceiver.onError(
+                                            new OnDeviceIntelligenceManagerException(
+                                                    errorCode, errorMessage, errorParams))));
+                        }
+                    };
+            mService.listFeatures(callback);
+        } catch (RemoteException e) {
+            throw e.rethrowFromSystemServer();
+        }
+    }
+
+    /**
+     * This method should be used to fetch details about a feature which need some additional
+     * computation, that can be inefficient to return in all calls to {@link #getFeature}. Callers
+     * and implementation can utilize the {@link Feature#getFeatureParams()} to pass hint on what
+     * details are expected by the caller.
+     *
+     * @param feature                the feature to check status for.
+     * @param featureDetailsReceiver callback to populate the feature details to.
+     * @param callbackExecutor       executor to run the callback on.
+     */
+    @RequiresPermission(Manifest.permission.USE_ON_DEVICE_INTELLIGENCE)
+    public void getFeatureDetails(@NonNull Feature feature,
+            @NonNull @CallbackExecutor Executor callbackExecutor,
+            @NonNull OutcomeReceiver<FeatureDetails, OnDeviceIntelligenceManagerException> featureDetailsReceiver) {
+        try {
+            IFeatureDetailsCallback callback = new IFeatureDetailsCallback.Stub() {
+
+                @Override
+                public void onSuccess(FeatureDetails result) {
+                    Binder.withCleanCallingIdentity(() -> callbackExecutor.execute(
+                            () -> featureDetailsReceiver.onResult(result)));
+                }
+
+                @Override
+                public void onFailure(int errorCode, String errorMessage,
+                        PersistableBundle errorParams) {
+                    Binder.withCleanCallingIdentity(() -> callbackExecutor.execute(
+                            () -> featureDetailsReceiver.onError(
+                                    new OnDeviceIntelligenceManagerException(errorCode,
+                                            errorMessage, errorParams))));
+                }
+            };
+            mService.getFeatureDetails(feature, callback);
+        } catch (RemoteException e) {
+            throw e.rethrowFromSystemServer();
+        }
+    }
+
+    /**
+     * This method handles downloading all model and config files required to process requests
+     * sent against a given feature. The caller can listen to updates on the download status via
+     * the callback.
+     *
+     * Note: If a feature was already requested for downloaded previously, the onDownloadFailed
+     * callback would be invoked with {@link DownloadCallback#DOWNLOAD_FAILURE_STATUS_DOWNLOADING}.
+     * In such cases, clients should query the feature status via {@link #getFeatureStatus} to
+     * check
+     * on the feature's download status.
+     *
+     * @param feature            feature to request download for.
+     * @param callback           callback to populate updates about download status.
+     * @param cancellationSignal signal to invoke cancellation on the operation in the remote
+     *                           implementation.
+     * @param callbackExecutor   executor to run the callback on.
+     */
+    @RequiresPermission(Manifest.permission.USE_ON_DEVICE_INTELLIGENCE)
+    public void requestFeatureDownload(@NonNull Feature feature,
+            @Nullable CancellationSignal cancellationSignal,
+            @NonNull @CallbackExecutor Executor callbackExecutor,
+            @NonNull DownloadCallback callback) {
+        try {
+            IDownloadCallback downloadCallback = new IDownloadCallback.Stub() {
+
+                @Override
+                public void onDownloadStarted(long bytesToDownload) {
+                    Binder.withCleanCallingIdentity(() -> callbackExecutor.execute(
+                            () -> callback.onDownloadStarted(bytesToDownload)));
+                }
+
+                @Override
+                public void onDownloadProgress(long bytesDownloaded) {
+                    Binder.withCleanCallingIdentity(() -> callbackExecutor.execute(
+                            () -> callback.onDownloadProgress(bytesDownloaded)));
+                }
+
+                @Override
+                public void onDownloadFailed(int failureStatus, String errorMessage,
+                        PersistableBundle errorParams) {
+                    Binder.withCleanCallingIdentity(() -> callbackExecutor.execute(
+                            () -> callback.onDownloadFailed(failureStatus, errorMessage,
+                                    errorParams)));
+                }
+
+                @Override
+                public void onDownloadCompleted(PersistableBundle downloadParams) {
+                    Binder.withCleanCallingIdentity(() -> callbackExecutor.execute(
+                            () -> onDownloadCompleted(downloadParams)));
+                }
+            };
+
+            ICancellationSignal transport = null;
+            if (cancellationSignal != null) {
+                transport = CancellationSignal.createTransport();
+                cancellationSignal.setRemote(transport);
+            }
+
+            mService.requestFeatureDownload(feature, transport, downloadCallback);
+        } catch (RemoteException e) {
+            throw e.rethrowFromSystemServer();
+        }
+    }
+
+    /**
+     * The methods computes the token-count for a given request payload using the provided Feature
+     * details.
+     *
+     * @param feature            feature associated with the request.
+     * @param request            request that contains the content data and associated params.
+     * @param outcomeReceiver    callback to populate the token count or exception in case of
+     *                           failure.
+     * @param cancellationSignal signal to invoke cancellation on the operation in the remote
+     *                           implementation.
+     * @param callbackExecutor   executor to run the callback on.
+     */
+    @RequiresPermission(Manifest.permission.USE_ON_DEVICE_INTELLIGENCE)
+    public void requestTokenCount(@NonNull Feature feature, @NonNull Content request,
+            @Nullable CancellationSignal cancellationSignal,
+            @NonNull @CallbackExecutor Executor callbackExecutor,
+            @NonNull OutcomeReceiver<Long,
+                    OnDeviceIntelligenceManagerException> outcomeReceiver) {
+        try {
+            ITokenCountCallback callback = new ITokenCountCallback.Stub() {
+                @Override
+                public void onSuccess(long tokenCount) {
+                    Binder.withCleanCallingIdentity(() -> callbackExecutor.execute(
+                            () -> outcomeReceiver.onResult(tokenCount)));
+                }
+
+                @Override
+                public void onFailure(int errorCode, String errorMessage,
+                        PersistableBundle errorParams) {
+                    Binder.withCleanCallingIdentity(() -> callbackExecutor.execute(
+                            () -> outcomeReceiver.onError(
+                                    new OnDeviceIntelligenceManagerProcessingException(
+                                            errorCode, errorMessage, errorParams))));
+                }
+            };
+
+            ICancellationSignal transport = null;
+            if (cancellationSignal != null) {
+                transport = CancellationSignal.createTransport();
+                cancellationSignal.setRemote(transport);
+            }
+
+            mService.requestTokenCount(feature, request, transport, callback);
+        } catch (RemoteException e) {
+            throw e.rethrowFromSystemServer();
+        }
+    }
+
+
+    /**
+     * Asynchronously Process a request based on the associated params, to populate a
+     * response in
+     * {@link OutcomeReceiver#onResult} callback or failure callback status code if there
+     * was a
+     * failure.
+     *
+     * @param feature                 feature associated with the request.
+     * @param request                 request that contains the Content data and
+     *                                associated params.
+     * @param requestType             type of request being sent for processing the content.
+     * @param responseOutcomeReceiver callback to populate the response content and
+     *                                associated
+     *                                params.
+     * @param processingSignal        signal to invoke custom actions in the
+     *                                remote implementation.
+     * @param cancellationSignal      signal to invoke cancellation or
+     * @param callbackExecutor        executor to run the callback on.
+     */
+    @RequiresPermission(Manifest.permission.USE_ON_DEVICE_INTELLIGENCE)
+
+    public void processRequest(@NonNull Feature feature, @NonNull Content request,
+            @RequestType int requestType,
+            @Nullable CancellationSignal cancellationSignal,
+            @Nullable ProcessingSignal processingSignal,
+            @NonNull @CallbackExecutor Executor callbackExecutor,
+            @NonNull OutcomeReceiver<Content,
+                    OnDeviceIntelligenceManagerProcessingException> responseOutcomeReceiver) {
+        try {
+            IResponseCallback callback = new IResponseCallback.Stub() {
+                @Override
+                public void onSuccess(Content result) {
+                    Binder.withCleanCallingIdentity(() -> {
+                        callbackExecutor.execute(() -> responseOutcomeReceiver.onResult(result));
+                    });
+                }
+
+                @Override
+                public void onFailure(int errorCode, String errorMessage,
+                        PersistableBundle errorParams) {
+                    Binder.withCleanCallingIdentity(() -> callbackExecutor.execute(
+                            () -> responseOutcomeReceiver.onError(
+                                    new OnDeviceIntelligenceManagerProcessingException(
+                                            errorCode, errorMessage, errorParams))));
+                }
+            };
+
+            IProcessingSignal transport = null;
+            if (processingSignal != null) {
+                transport = ProcessingSignal.createTransport();
+                processingSignal.setRemote(transport);
+            }
+
+            ICancellationSignal cancellationTransport = null;
+            if (cancellationSignal != null) {
+                cancellationTransport = CancellationSignal.createTransport();
+                cancellationSignal.setRemote(cancellationTransport);
+            }
+
+            mService.processRequest(feature, request, requestType, cancellationTransport, transport,
+                    callback);
+
+        } catch (RemoteException e) {
+            throw e.rethrowFromSystemServer();
+        }
+    }
+
+    /**
+     * Variation of {@link #processRequest} that asynchronously processes a request in a streaming
+     * fashion, where new content is pushed to caller in chunks via the
+     * {@link StreamingResponseReceiver#onNewContent}. After the streaming is complete,
+     * the service should call {@link StreamingResponseReceiver#onResult} and can optionally
+     * populate the complete {@link Response}'s Content as part of the callback when the final
+     * {@link Response} contains an enhanced aggregation of the Contents already streamed.
+     *
+     * @param feature                   feature associated with the request.
+     * @param request                   request that contains the Content data and associated
+     *                                  params.
+     * @param requestType               type of request being sent for processing the content.
+     * @param processingSignal          signal to invoke  other custom actions in the
+     *                                  remote implementation.
+     * @param cancellationSignal        signal to invoke cancellation
+     * @param streamingResponseReceiver streaming callback to populate the response content and
+     *                                  associated params.
+     * @param callbackExecutor          executor to run the callback on.
+     */
+    @RequiresPermission(Manifest.permission.USE_ON_DEVICE_INTELLIGENCE)
+    public void processRequestStreaming(@NonNull Feature feature, @NonNull Content request,
+            @RequestType int requestType,
+            @Nullable CancellationSignal cancellationSignal,
+            @Nullable ProcessingSignal processingSignal,
+            @NonNull @CallbackExecutor Executor callbackExecutor,
+            @NonNull StreamingResponseReceiver<Content, Content,
+                    OnDeviceIntelligenceManagerProcessingException> streamingResponseReceiver) {
+        try {
+            IStreamingResponseCallback callback = new IStreamingResponseCallback.Stub() {
+                @Override
+                public void onNewContent(Content result) {
+                    Binder.withCleanCallingIdentity(() -> {
+                        callbackExecutor.execute(
+                                () -> streamingResponseReceiver.onNewContent(result));
+                    });
+                }
+
+                @Override
+                public void onSuccess(Content result) {
+                    Binder.withCleanCallingIdentity(() -> {
+                        callbackExecutor.execute(() -> streamingResponseReceiver.onResult(result));
+                    });
+                }
+
+                @Override
+                public void onFailure(int errorCode, String errorMessage,
+                        PersistableBundle errorParams) {
+                    Binder.withCleanCallingIdentity(() -> {
+                        callbackExecutor.execute(
+                                () -> streamingResponseReceiver.onError(
+                                        new OnDeviceIntelligenceManagerProcessingException(
+                                                errorCode, errorMessage, errorParams)));
+                    });
+                }
+            };
+
+            IProcessingSignal transport = null;
+            if (processingSignal != null) {
+                transport = ProcessingSignal.createTransport();
+                processingSignal.setRemote(transport);
+            }
+
+            ICancellationSignal cancellationTransport = null;
+            if (cancellationSignal != null) {
+                cancellationTransport = CancellationSignal.createTransport();
+                cancellationSignal.setRemote(cancellationTransport);
+            }
+
+            mService.processRequestStreaming(
+                    feature, request, requestType, cancellationTransport, transport, callback);
+        } catch (RemoteException e) {
+            throw e.rethrowFromSystemServer();
+        }
+    }
+
+
+    /** Request inference with provided Content and Params. */
+    public static final int REQUEST_TYPE_INFERENCE = 0;
+
+    /**
+     * Prepares the remote implementation environment for e.g.loading inference runtime etc.which
+     * are time consuming beforehand to remove overhead and allow quick processing of requests
+     * thereof.
+     */
+    public static final int REQUEST_TYPE_PREPARE = 1;
+
+    /** Request Embeddings of the passed-in Content. */
+    public static final int REQUEST_TYPE_EMBEDDINGS = 2;
+
+    /**
+     * @hide
+     */
+    @IntDef(value = {
+            REQUEST_TYPE_INFERENCE,
+            REQUEST_TYPE_PREPARE,
+            REQUEST_TYPE_EMBEDDINGS
+    }, open = true)
+    @Target({ElementType.TYPE_USE, ElementType.METHOD, ElementType.PARAMETER, ElementType.FIELD})
+    @Retention(RetentionPolicy.SOURCE)
+    public @interface RequestType {
+    }
+
+
+    /**
+     * Exception type to be populated in callbacks to the methods under
+     * {@link OnDeviceIntelligenceManager}.
+     */
+    public static class OnDeviceIntelligenceManagerException extends Exception {
+        /**
+         * Error code returned when the OnDeviceIntelligenceManager service is unavailable.
+         */
+        public static final int ON_DEVICE_INTELLIGENCE_SERVICE_UNAVAILABLE = 1000;
+
+        private final int mErrorCode;
+        private final PersistableBundle errorParams;
+
+        public OnDeviceIntelligenceManagerException(int errorCode, @NonNull String errorMessage,
+                @NonNull PersistableBundle errorParams) {
+            super(errorMessage);
+            this.mErrorCode = errorCode;
+            this.errorParams = errorParams;
+        }
+
+        public OnDeviceIntelligenceManagerException(int errorCode,
+                @NonNull PersistableBundle errorParams) {
+            this.mErrorCode = errorCode;
+            this.errorParams = errorParams;
+        }
+
+        public int getErrorCode() {
+            return mErrorCode;
+        }
+
+        @NonNull
+        public PersistableBundle getErrorParams() {
+            return errorParams;
+        }
+    }
+
+    /**
+     * Exception type to be populated in callbacks to the methods under
+     * {@link OnDeviceIntelligenceManager#processRequest} or
+     * {@link OnDeviceIntelligenceManager#processRequestStreaming} .
+     */
+    public static class OnDeviceIntelligenceManagerProcessingException extends
+            OnDeviceIntelligenceManagerException {
+
+        public static final int PROCESSING_ERROR_UNKNOWN = 1;
+
+        /** Request passed contains bad data for e.g. format. */
+        public static final int PROCESSING_ERROR_BAD_DATA = 2;
+
+        /** Bad request for inputs. */
+        public static final int PROCESSING_ERROR_BAD_REQUEST = 3;
+
+        /** Whole request was classified as not safe, and no response will be generated. */
+        public static final int PROCESSING_ERROR_REQUEST_NOT_SAFE = 4;
+
+        /** Underlying processing encountered an error and failed to compute results. */
+        public static final int PROCESSING_ERROR_COMPUTE_ERROR = 5;
+
+        /** Encountered an error while performing IPC */
+        public static final int PROCESSING_ERROR_IPC_ERROR = 6;
+
+        /** Request was cancelled either by user signal or by the underlying implementation. */
+        public static final int PROCESSING_ERROR_CANCELLED = 7;
+
+        /** Underlying processing in the remote implementation is not available. */
+        public static final int PROCESSING_ERROR_NOT_AVAILABLE = 8;
+
+        /** The service is currently busy. Callers should retry with exponential backoff. */
+        public static final int PROCESSING_ERROR_BUSY = 9;
+
+        /** Something went wrong with safety classification service. */
+        public static final int PROCESSING_ERROR_SAFETY_ERROR = 10;
+
+        /** Response generated was classified unsafe. */
+        public static final int PROCESSING_ERROR_RESPONSE_NOT_SAFE = 11;
+
+        /** Request is too large to be processed. */
+        public static final int PROCESSING_ERROR_REQUEST_TOO_LARGE = 12;
+
+        /** Inference suspended so that higher-priority inference can run. */
+        public static final int PROCESSING_ERROR_SUSPENDED = 13;
+
+        /** Underlying processing encountered an internal error, like a violated precondition. */
+        public static final int PROCESSING_ERROR_INTERNAL = 14;
+
+        /**
+         * The processing was not able to be passed on to the remote implementation, as the service
+         * was unavailable.
+         */
+        public static final int PROCESSING_ERROR_SERVICE_UNAVAILABLE = 15;
+
+        /**
+         * Error code of failed processing request.
+         *
+         * @hide
+         */
+        @IntDef(
+                value = {
+                        PROCESSING_ERROR_UNKNOWN,
+                        PROCESSING_ERROR_BAD_DATA,
+                        PROCESSING_ERROR_BAD_REQUEST,
+                        PROCESSING_ERROR_REQUEST_NOT_SAFE,
+                        PROCESSING_ERROR_COMPUTE_ERROR,
+                        PROCESSING_ERROR_IPC_ERROR,
+                        PROCESSING_ERROR_CANCELLED,
+                        PROCESSING_ERROR_NOT_AVAILABLE,
+                        PROCESSING_ERROR_BUSY,
+                        PROCESSING_ERROR_SAFETY_ERROR,
+                        PROCESSING_ERROR_RESPONSE_NOT_SAFE,
+                        PROCESSING_ERROR_REQUEST_TOO_LARGE,
+                        PROCESSING_ERROR_SUSPENDED,
+                        PROCESSING_ERROR_INTERNAL,
+                        PROCESSING_ERROR_SERVICE_UNAVAILABLE
+                }, open = true)
+        @Target({ElementType.TYPE_PARAMETER, ElementType.TYPE_USE})
+        @interface ProcessingError {
+        }
+
+        public OnDeviceIntelligenceManagerProcessingException(
+                @ProcessingError int errorCode, @NonNull String errorMessage,
+                @NonNull PersistableBundle errorParams) {
+            super(errorCode, errorMessage, errorParams);
+        }
+
+        public OnDeviceIntelligenceManagerProcessingException(
+                @ProcessingError int errorCode,
+                @NonNull PersistableBundle errorParams) {
+            super(errorCode, errorParams);
+        }
+    }
+}
diff --git a/core/java/android/app/ondeviceintelligence/ProcessingSignal.java b/core/java/android/app/ondeviceintelligence/ProcessingSignal.java
new file mode 100644
index 0000000..3e543d2
--- /dev/null
+++ b/core/java/android/app/ondeviceintelligence/ProcessingSignal.java
@@ -0,0 +1,221 @@
+/*
+ * 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 android.app.ondeviceintelligence;
+
+import static android.app.ondeviceintelligence.flags.Flags.FLAG_ENABLE_ON_DEVICE_INTELLIGENCE;
+
+import android.annotation.CallbackExecutor;
+import android.annotation.FlaggedApi;
+import android.annotation.NonNull;
+import android.annotation.Nullable;
+import android.annotation.SystemApi;
+import android.os.PersistableBundle;
+import android.os.RemoteException;
+
+import com.android.internal.annotations.GuardedBy;
+
+import java.util.ArrayDeque;
+import java.util.Objects;
+import java.util.concurrent.Executor;
+
+/**
+ * A signal to perform orchestration actions on the inference and optionally receive a output about
+ * the result of the signal. This is an extension of {@link android.os.CancellationSignal}.
+ *
+ * @hide
+ */
+@SystemApi
+@FlaggedApi(FLAG_ENABLE_ON_DEVICE_INTELLIGENCE)
+public final class ProcessingSignal {
+    private final Object mLock = new Object();
+
+    private static final int MAX_QUEUE_SIZE = 10;
+
+    @GuardedBy("mLock")
+    private final ArrayDeque<PersistableBundle> mActionParamsQueue;
+
+    @GuardedBy("mLock")
+    private IProcessingSignal mRemote;
+
+    private OnProcessingSignalCallback mOnProcessingSignalCallback;
+    private Executor mExecutor;
+
+    public ProcessingSignal() {
+        mActionParamsQueue = new ArrayDeque<>(MAX_QUEUE_SIZE);
+    }
+
+    /**
+     * Interface definition for a callback to be invoked when processing signals are received.
+     */
+    public interface OnProcessingSignalCallback {
+        /**
+         * Called when a custom signal was received.
+         * This method allows the receiver to provide logic to be executed based on the signal
+         * received.
+         *
+         * @param actionParams Parameters for the signal in the form of a {@link PersistableBundle}.
+         */
+
+        void onSignalReceived(@NonNull PersistableBundle actionParams);
+    }
+
+
+    /**
+     * Sends a custom signal with the provided parameters. It also signals the remote callback
+     * with the same params if already configured, if not the action is queued to be sent when a
+     * remote is configured. Similarly, on the receiver side, the callback will be invoked if
+     * already set, if not all actions are queued to be sent to callback when it is set.
+     *
+     * @param actionParams Parameters for the signal.
+     */
+    public void sendSignal(@NonNull PersistableBundle actionParams) {
+        final OnProcessingSignalCallback callback;
+        final IProcessingSignal remote;
+        synchronized (mLock) {
+            if (mActionParamsQueue.size() > MAX_QUEUE_SIZE) {
+                throw new RuntimeException(
+                        "Maximum actions that can be queued are : " + MAX_QUEUE_SIZE);
+            }
+
+            mActionParamsQueue.add(actionParams);
+            callback = mOnProcessingSignalCallback;
+            remote = mRemote;
+
+            if (callback != null) {
+                while (!mActionParamsQueue.isEmpty()) {
+                    PersistableBundle params = mActionParamsQueue.removeFirst();
+                    mExecutor.execute(
+                            () -> callback.onSignalReceived(params));
+                }
+            }
+            if (remote != null) {
+                while (!mActionParamsQueue.isEmpty()) {
+                    try {
+                        remote.sendSignal(mActionParamsQueue.removeFirst());
+                    } catch (RemoteException e) {
+                        throw new RuntimeException(e);
+                    }
+                }
+            }
+        }
+    }
+
+
+    /**
+     * Sets the processing signal callback to be called when signals are received.
+     *
+     * This method is intended to be used by the recipient of a processing signal
+     * such as the remote implementation for {@link OnDeviceIntelligenceManager} to handle
+     * cancellation requests while performing a long-running operation.  This method is not
+     * intended
+     * to be used by applications themselves.
+     *
+     * If {@link ProcessingSignal#sendSignal} has already been called, then the provided callback
+     * is invoked immediately and all previously queued actions are passed to remote signal.
+     *
+     * This method is guaranteed that the callback will not be called after it
+     * has been removed.
+     *
+     * @param callback The processing signal callback, or null to remove the current callback.
+     * @param executor Executor to the run the callback methods on.
+     */
+    public void setOnProcessingSignalCallback(
+            @NonNull @CallbackExecutor Executor executor,
+            @Nullable OnProcessingSignalCallback callback) {
+        Objects.requireNonNull(executor);
+        synchronized (mLock) {
+            if (mOnProcessingSignalCallback == callback) {
+                return;
+            }
+
+            mOnProcessingSignalCallback = callback;
+            mExecutor = executor;
+            if (callback == null || mActionParamsQueue.isEmpty()) {
+                return;
+            }
+
+            while (!mActionParamsQueue.isEmpty()) {
+                PersistableBundle params = mActionParamsQueue.removeFirst();
+                mExecutor.execute(() -> callback.onSignalReceived(params));
+            }
+        }
+    }
+
+    /**
+     * Sets the remote transport.
+     *
+     * If there are actions queued from {@link ProcessingSignal#sendSignal}, they are also
+     * sequentially sent to the remote.
+     *
+     * This method is guaranteed that the remote transport will not be called after it
+     * has been removed.
+     *
+     * @param remote The remote transport, or null to remove.
+     * @hide
+     */
+    void setRemote(IProcessingSignal remote) {
+        synchronized (mLock) {
+            mRemote = remote;
+            if (mActionParamsQueue.isEmpty() || remote == null) {
+                return;
+            }
+
+            while (!mActionParamsQueue.isEmpty()) {
+                try {
+                    remote.sendSignal(mActionParamsQueue.removeFirst());
+                } catch (RemoteException e) {
+                    throw new RuntimeException("Failed to send action to remote signal", e);
+                }
+            }
+        }
+    }
+
+    /**
+     * Creates a transport that can be returned back to the caller of
+     * a Binder function and subsequently used to dispatch a processing signal.
+     *
+     * @return The new processing signal transport.
+     * @hide
+     */
+    public static IProcessingSignal createTransport() {
+        return new Transport();
+    }
+
+    /**
+     * Given a locally created transport, returns its associated cancellation signal.
+     *
+     * @param transport The locally created transport, or null if none.
+     * @return The associated processing signal, or null if none.
+     * @hide
+     */
+    public static ProcessingSignal fromTransport(IProcessingSignal transport) {
+        if (transport instanceof Transport) {
+            return ((Transport) transport).mProcessingSignal;
+        }
+        return null;
+    }
+
+    private static final class Transport extends IProcessingSignal.Stub {
+        final ProcessingSignal mProcessingSignal = new ProcessingSignal();
+
+        @Override
+        public void sendSignal(PersistableBundle actionParams) {
+            mProcessingSignal.sendSignal(actionParams);
+        }
+    }
+
+}
\ No newline at end of file
diff --git a/core/java/android/app/ondeviceintelligence/StreamingResponseReceiver.java b/core/java/android/app/ondeviceintelligence/StreamingResponseReceiver.java
new file mode 100644
index 0000000..ebcf61c
--- /dev/null
+++ b/core/java/android/app/ondeviceintelligence/StreamingResponseReceiver.java
@@ -0,0 +1,43 @@
+/*
+ * 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 android.app.ondeviceintelligence;
+
+import static android.app.ondeviceintelligence.flags.Flags.FLAG_ENABLE_ON_DEVICE_INTELLIGENCE;
+
+import android.annotation.FlaggedApi;
+import android.annotation.NonNull;
+import android.annotation.SystemApi;
+import android.os.OutcomeReceiver;
+
+/**
+ * Streaming variant of outcome receiver to populate response while processing a given request,
+ * possibly in
+ * chunks to provide a async processing behaviour to the caller.
+ *
+ * @hide
+ */
+@SystemApi
+@FlaggedApi(FLAG_ENABLE_ON_DEVICE_INTELLIGENCE)
+public interface StreamingResponseReceiver<R, T, E extends Throwable> extends
+        OutcomeReceiver<R, E> {
+    /**
+     * Callback to be invoked when a part of the response i.e. some {@link Content} is already
+     * processed and
+     * needs to be passed onto the caller.
+     */
+    void onNewContent(@NonNull T content);
+}
diff --git a/core/java/android/app/servertransaction/ClientTransaction.java b/core/java/android/app/servertransaction/ClientTransaction.java
index 612d433..79696e0 100644
--- a/core/java/android/app/servertransaction/ClientTransaction.java
+++ b/core/java/android/app/servertransaction/ClientTransaction.java
@@ -29,6 +29,7 @@
 import android.os.RemoteException;
 
 import com.android.internal.annotations.VisibleForTesting;
+import com.android.window.flags.Flags;
 
 import java.io.PrintWriter;
 import java.util.ArrayList;
@@ -85,12 +86,15 @@
      * @param item A single message that can contain a client activity/window request/callback.
      */
     public void addTransactionItem(@NonNull ClientTransactionItem item) {
-        if (mTransactionItems == null) {
-            mTransactionItems = new ArrayList<>();
+        if (Flags.bundleClientTransactionFlag()) {
+            if (mTransactionItems == null) {
+                mTransactionItems = new ArrayList<>();
+            }
+            mTransactionItems.add(item);
         }
-        mTransactionItems.add(item);
 
         // TODO(b/324203798): cleanup after remove UnsupportedAppUsage
+        // Populate even if mTransactionItems is set to support the UnsupportedAppUsage.
         if (item.isActivityLifecycleItem()) {
             setLifecycleStateRequest((ActivityLifecycleItem) item);
         } else {
@@ -114,7 +118,7 @@
      */
     // TODO(b/324203798): cleanup after remove UnsupportedAppUsage
     @Deprecated
-    public void addCallback(@NonNull ClientTransactionItem activityCallback) {
+    private void addCallback(@NonNull ClientTransactionItem activityCallback) {
         if (mActivityCallbacks == null) {
             mActivityCallbacks = new ArrayList<>();
         }
@@ -169,7 +173,7 @@
      */
     // TODO(b/324203798): cleanup after remove UnsupportedAppUsage
     @Deprecated
-    public void setLifecycleStateRequest(@NonNull ActivityLifecycleItem stateRequest) {
+    private void setLifecycleStateRequest(@NonNull ActivityLifecycleItem stateRequest) {
         if (mLifecycleStateRequest != null) {
             return;
         }
diff --git a/core/java/android/app/servertransaction/ClientTransactionListenerController.java b/core/java/android/app/servertransaction/ClientTransactionListenerController.java
index 9f97f6f..1a8136e 100644
--- a/core/java/android/app/servertransaction/ClientTransactionListenerController.java
+++ b/core/java/android/app/servertransaction/ClientTransactionListenerController.java
@@ -23,7 +23,6 @@
 import android.annotation.NonNull;
 import android.app.ActivityThread;
 import android.hardware.display.DisplayManagerGlobal;
-import android.os.Process;
 
 import com.android.internal.annotations.VisibleForTesting;
 
@@ -67,7 +66,7 @@
      * window configuration.
      */
     public void onDisplayChanged(int displayId) {
-        if (!isBundleClientTransactionFlagEnabled()) {
+        if (!bundleClientTransactionFlag()) {
             return;
         }
         if (ActivityThread.isSystem()) {
@@ -76,10 +75,4 @@
         }
         mDisplayManager.handleDisplayChangeFromWindowManager(displayId);
     }
-
-    /** Whether {@link #bundleClientTransactionFlag} feature flag is enabled. */
-    public boolean isBundleClientTransactionFlagEnabled() {
-        // Can't read flag from isolated process.
-        return !Process.isIsolated() && bundleClientTransactionFlag();
-    }
 }
diff --git a/core/java/android/app/servertransaction/TransactionExecutor.java b/core/java/android/app/servertransaction/TransactionExecutor.java
index 406e00a..fa73c99 100644
--- a/core/java/android/app/servertransaction/TransactionExecutor.java
+++ b/core/java/android/app/servertransaction/TransactionExecutor.java
@@ -40,7 +40,6 @@
 import android.content.Context;
 import android.content.res.Configuration;
 import android.os.IBinder;
-import android.os.Process;
 import android.os.Trace;
 import android.util.ArrayMap;
 import android.util.ArraySet;
@@ -218,8 +217,6 @@
         final boolean shouldTrackConfigUpdatedContext =
                 // No configuration change for local transaction.
                 !mTransactionHandler.isExecutingLocalTransaction()
-                        // Can't read flag from isolated process.
-                        && !Process.isIsolated()
                         && bundleClientTransactionFlag();
         final Context configUpdatedContext = shouldTrackConfigUpdatedContext
                 ? item.getContextToUpdate(mTransactionHandler)
diff --git a/core/java/android/app/ui_mode_manager.aconfig b/core/java/android/app/ui_mode_manager.aconfig
index 1ae5264..27a38cc 100644
--- a/core/java/android/app/ui_mode_manager.aconfig
+++ b/core/java/android/app/ui_mode_manager.aconfig
@@ -1,8 +1,11 @@
 package: "android.app"
 
 flag {
-     namespace: "system_performance"
-     name: "enable_night_mode_cache"
+     namespace: "systemui"
+     name: "enable_night_mode_binder_cache"
      description: "Enables the use of binder caching for system night mode."
      bug: "255999432"
+     metadata {
+         purpose: PURPOSE_BUGFIX
+     }
 }
\ No newline at end of file
diff --git a/core/java/android/companion/virtual/flags/flags.aconfig b/core/java/android/companion/virtual/flags/flags.aconfig
index ab8db6e..24d6a5c 100644
--- a/core/java/android/companion/virtual/flags/flags.aconfig
+++ b/core/java/android/companion/virtual/flags/flags.aconfig
@@ -29,3 +29,18 @@
      bug: "291737188"
      is_fixed_read_only: true
 }
+
+flag {
+     namespace: "virtual_devices"
+     name: "metrics_collection"
+     description: "Enable collection of VDM-related metrics"
+     bug: "324842215"
+     is_fixed_read_only: true
+}
+
+flag {
+     namespace: "virtual_devices"
+     name: "camera_device_awareness"
+     description: "Enable device awareness in camera service"
+     bug: "305170199"
+}
diff --git a/core/java/android/content/Context.java b/core/java/android/content/Context.java
index 58cea0d..e6e7fa8 100644
--- a/core/java/android/content/Context.java
+++ b/core/java/android/content/Context.java
@@ -6451,6 +6451,19 @@
     @SystemApi
     public static final String WEARABLE_SENSING_SERVICE = "wearable_sensing";
 
+
+    /**
+     * Use with {@link #getSystemService(String)} to retrieve a
+     * {@link android.app.ondeviceintelligence.OnDeviceIntelligenceManager}.
+     *
+     * @see #getSystemService(String)
+     * @see OnDeviceIntelligenceManager
+     * @hide
+     */
+    @SystemApi
+    @FlaggedApi(android.app.ondeviceintelligence.flags.Flags.FLAG_ENABLE_ON_DEVICE_INTELLIGENCE)
+    public static final String ON_DEVICE_INTELLIGENCE_SERVICE = "on_device_intelligence";
+
     /**
      * Use with {@link #getSystemService(String)} to retrieve a
      * {@link android.health.connect.HealthConnectManager}.
diff --git a/core/java/android/hardware/display/BrightnessInfo.java b/core/java/android/hardware/display/BrightnessInfo.java
index 53a9a75..c091062 100644
--- a/core/java/android/hardware/display/BrightnessInfo.java
+++ b/core/java/android/hardware/display/BrightnessInfo.java
@@ -80,6 +80,11 @@
      */
     public static final int BRIGHTNESS_MAX_REASON_POWER_IC = 2;
 
+    /**
+     * Maximum brightness is restricted due to the Wear bedtime mode.
+     */
+    public static final int BRIGHTNESS_MAX_REASON_WEAR_BEDTIME_MODE = 3;
+
     /** Brightness */
     public final float brightness;
 
diff --git a/core/java/android/hardware/display/DisplayManager.java b/core/java/android/hardware/display/DisplayManager.java
index 8f0e0c9..eb26a76 100644
--- a/core/java/android/hardware/display/DisplayManager.java
+++ b/core/java/android/hardware/display/DisplayManager.java
@@ -28,6 +28,7 @@
 import android.annotation.NonNull;
 import android.annotation.Nullable;
 import android.annotation.RequiresPermission;
+import android.annotation.SuppressLint;
 import android.annotation.SystemApi;
 import android.annotation.SystemService;
 import android.annotation.TestApi;
@@ -367,6 +368,8 @@
      * @see #createVirtualDisplay
      * @hide
      */
+    @SuppressLint("UnflaggedApi") // @TestApi without associated feature.
+    @TestApi
     public static final int VIRTUAL_DISPLAY_FLAG_SUPPORTS_TOUCH = 1 << 6;
 
     /**
diff --git a/core/java/android/hardware/input/KeyboardLayoutPreviewDrawable.java b/core/java/android/hardware/input/KeyboardLayoutPreviewDrawable.java
index 1cc910c..e47a48d 100644
--- a/core/java/android/hardware/input/KeyboardLayoutPreviewDrawable.java
+++ b/core/java/android/hardware/input/KeyboardLayoutPreviewDrawable.java
@@ -48,14 +48,13 @@
     private static final int GRAVITY_RIGHT = 0x2;
     private static final int GRAVITY_TOP = 0x4;
     private static final int GRAVITY_BOTTOM = 0x8;
-    private static final int GRAVITY_CENTER =
-            GRAVITY_LEFT | GRAVITY_RIGHT | GRAVITY_TOP | GRAVITY_BOTTOM;
-    private static final int GRAVITY_CENTER_HORIZONTAL = GRAVITY_LEFT | GRAVITY_RIGHT;
+    private static final int TEXT_PADDING_IN_DP = 1;
     private static final int KEY_PADDING_IN_DP = 3;
     private static final int KEYBOARD_PADDING_IN_DP = 10;
     private static final int KEY_RADIUS_IN_DP = 5;
     private static final int KEYBOARD_RADIUS_IN_DP = 10;
-    private static final int GLYPH_TEXT_SIZE_IN_SP = 10;
+    private static final int MIN_GLYPH_TEXT_SIZE_IN_SP = 10;
+    private static final int MAX_GLYPH_TEXT_SIZE_IN_SP = 20;
 
     private final List<KeyDrawable> mKeyDrawables = new ArrayList<>();
 
@@ -107,6 +106,8 @@
         }
         int rowCount = keys.length;
         float keyHeight = (float) (height - rowCount * 2 * keyPadding) / rowCount;
+        // Based on key height calculate the max text size that can fit for typing keys
+        mResourceProvider.calculateBestTextSizeForKey(keyHeight);
         float isoEnterKeyLeft = 0;
         float isoEnterKeyTop = 0;
         float isoEnterWidthUnit = 0;
@@ -136,16 +137,19 @@
                 }
                 if (PhysicalKeyLayout.isSpecialKey(row[j])) {
                     mKeyDrawables.add(new TypingKey(null, keyRect, keyRadius,
+                            mResourceProvider.getTextPadding(),
                             mResourceProvider.getSpecialKeyPaint(),
                             mResourceProvider.getSpecialKeyPaint(),
                             mResourceProvider.getSpecialKeyPaint()));
                 } else if (PhysicalKeyLayout.isKeyPositionUnsure(row[j])) {
                     mKeyDrawables.add(new UnsureTypingKey(row[j].glyph(), keyRect,
-                            keyRadius, mResourceProvider.getTypingKeyPaint(),
+                            keyRadius, mResourceProvider.getTextPadding(),
+                            mResourceProvider.getTypingKeyPaint(),
                             mResourceProvider.getPrimaryGlyphPaint(),
                             mResourceProvider.getSecondaryGlyphPaint()));
                 } else {
                     mKeyDrawables.add(new TypingKey(row[j].glyph(), keyRect, keyRadius,
+                            mResourceProvider.getTextPadding(),
                             mResourceProvider.getTypingKeyPaint(),
                             mResourceProvider.getPrimaryGlyphPaint(),
                             mResourceProvider.getSecondaryGlyphPaint()));
@@ -192,15 +196,18 @@
 
         private final RectF mKeyRect;
         private final float mKeyRadius;
+        private final float mTextPadding;
         private final Paint mKeyPaint;
         private final Paint mBaseTextPaint;
         private final Paint mModifierTextPaint;
         private final List<GlyphDrawable> mGlyphDrawables = new ArrayList<>();
 
         private TypingKey(@Nullable PhysicalKeyLayout.KeyGlyph glyphData, RectF keyRect,
-                float keyRadius, Paint keyPaint, Paint baseTextPaint, Paint modifierTextPaint) {
+                float keyRadius, float textPadding, Paint keyPaint, Paint baseTextPaint,
+                Paint modifierTextPaint) {
             mKeyRect = keyRect;
             mKeyRadius = keyRadius;
+            mTextPadding = textPadding;
             mKeyPaint = keyPaint;
             mBaseTextPaint = baseTextPaint;
             mModifierTextPaint = modifierTextPaint;
@@ -219,20 +226,17 @@
             if (!glyphData.hasBaseText()) {
                 return;
             }
-            boolean isCenter = !glyphData.hasValidAltGrText() && !glyphData.hasValidAltShiftText();
             mGlyphDrawables.add(new GlyphDrawable(glyphData.getBaseText(), new RectF(),
-                    GRAVITY_BOTTOM | (isCenter ? GRAVITY_CENTER_HORIZONTAL : GRAVITY_LEFT),
-                    mBaseTextPaint));
+                    GRAVITY_BOTTOM | GRAVITY_LEFT, mBaseTextPaint));
             if (glyphData.hasValidShiftText()) {
                 mGlyphDrawables.add(new GlyphDrawable(glyphData.getShiftText(), new RectF(),
-                        GRAVITY_TOP | (isCenter ? GRAVITY_CENTER_HORIZONTAL : GRAVITY_LEFT),
-                        mModifierTextPaint));
+                        GRAVITY_TOP | GRAVITY_LEFT, mModifierTextPaint));
             }
             if (glyphData.hasValidAltGrText()) {
                 mGlyphDrawables.add(new GlyphDrawable(glyphData.getAltGrText(), new RectF(),
                         GRAVITY_BOTTOM | GRAVITY_RIGHT, mModifierTextPaint));
             }
-            if (glyphData.hasValidAltShiftText()) {
+            if (glyphData.hasValidAltGrShiftText()) {
                 mGlyphDrawables.add(new GlyphDrawable(glyphData.getAltGrShiftText(), new RectF(),
                         GRAVITY_TOP | GRAVITY_RIGHT, mModifierTextPaint));
             }
@@ -246,15 +250,19 @@
                 float centerY = keyHeight / 2;
                 if ((glyph.gravity & GRAVITY_LEFT) != 0) {
                     centerX -= keyWidth / 4;
+                    centerX += mTextPadding / 2;
                 }
                 if ((glyph.gravity & GRAVITY_RIGHT) != 0) {
                     centerX += keyWidth / 4;
+                    centerX -= mTextPadding / 2;
                 }
                 if ((glyph.gravity & GRAVITY_TOP) != 0) {
                     centerY -= keyHeight / 4;
+                    centerY += mTextPadding / 2;
                 }
                 if ((glyph.gravity & GRAVITY_BOTTOM) != 0) {
                     centerY += keyHeight / 4;
+                    centerY -= mTextPadding / 2;
                 }
                 Rect textBounds = new Rect();
                 glyph.paint.getTextBounds(glyph.text, 0, glyph.text.length(), textBounds);
@@ -285,9 +293,9 @@
     private static class UnsureTypingKey extends TypingKey {
 
         private UnsureTypingKey(@Nullable PhysicalKeyLayout.KeyGlyph glyphData,
-                RectF keyRect, float keyRadius, Paint keyPaint, Paint baseTextPaint,
-                Paint modifierTextPaint) {
-            super(glyphData, keyRect, keyRadius, createGreyedOutPaint(keyPaint),
+                RectF keyRect, float keyRadius, float textPadding, Paint keyPaint,
+                Paint baseTextPaint, Paint modifierTextPaint) {
+            super(glyphData, keyRect, keyRadius, textPadding, createGreyedOutPaint(keyPaint),
                     createGreyedOutPaint(baseTextPaint), createGreyedOutPaint(modifierTextPaint));
         }
     }
@@ -402,8 +410,11 @@
         private final Paint mSecondaryGlyphPaint;
         private final int mKeyPadding;
         private final int mKeyboardPadding;
+        private final float mTextPadding;
         private final float mKeyRadius;
         private final float mBackgroundRadius;
+        private final float mSpToPxMultiplier;
+        private final Paint.FontMetrics mFontMetrics;
 
         private ResourceProvider(Context context) {
             mKeyPadding = (int) TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP,
@@ -414,8 +425,10 @@
                     KEY_RADIUS_IN_DP, context.getResources().getDisplayMetrics());
             mBackgroundRadius = (int) TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP,
                     KEYBOARD_RADIUS_IN_DP, context.getResources().getDisplayMetrics());
-            int textSize = (int) TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_SP,
-                    GLYPH_TEXT_SIZE_IN_SP, context.getResources().getDisplayMetrics());
+            mSpToPxMultiplier = TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_SP, 1,
+                    context.getResources().getDisplayMetrics());
+            mTextPadding = TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP,
+                    TEXT_PADDING_IN_DP, context.getResources().getDisplayMetrics());
             boolean isDark = (context.getResources().getConfiguration().uiMode
                     & Configuration.UI_MODE_NIGHT_MASK) == Configuration.UI_MODE_NIGHT_YES;
             int typingKeyColor = context.getColor(
@@ -430,15 +443,37 @@
             int backgroundColor = context.getColor(
                     isDark ? android.R.color.system_surface_container_dark
                             : android.R.color.system_surface_container_light);
-            mPrimaryGlyphPaint = createTextPaint(primaryGlyphColor, textSize,
+            mPrimaryGlyphPaint = createTextPaint(primaryGlyphColor,
+                    MIN_GLYPH_TEXT_SIZE_IN_SP * mSpToPxMultiplier,
                     Typeface.create(Typeface.SANS_SERIF, Typeface.BOLD));
-            mSecondaryGlyphPaint = createTextPaint(secondaryGlyphColor, textSize,
+            mSecondaryGlyphPaint = createTextPaint(secondaryGlyphColor,
+                    MIN_GLYPH_TEXT_SIZE_IN_SP * mSpToPxMultiplier,
                     Typeface.create(Typeface.SANS_SERIF, Typeface.NORMAL));
+            mFontMetrics = mPrimaryGlyphPaint.getFontMetrics();
             mTypingKeyPaint = createFillPaint(typingKeyColor);
             mSpecialKeyPaint = createFillPaint(specialKeyColor);
             mBackgroundPaint = createFillPaint(backgroundColor);
         }
 
+        private void calculateBestTextSizeForKey(float keyHeight) {
+            int textSize = (int) (mSpToPxMultiplier * MIN_GLYPH_TEXT_SIZE_IN_SP) + 1;
+            while (textSize < mSpToPxMultiplier * MAX_GLYPH_TEXT_SIZE_IN_SP) {
+                updateTextSize(textSize);
+                if (mFontMetrics.bottom - mFontMetrics.top + 3 * mTextPadding > keyHeight / 2) {
+                    textSize--;
+                    break;
+                }
+                textSize++;
+            }
+            updateTextSize(textSize);
+        }
+
+        private void updateTextSize(float textSize) {
+            mPrimaryGlyphPaint.setTextSize(textSize);
+            mSecondaryGlyphPaint.setTextSize(textSize);
+            mPrimaryGlyphPaint.getFontMetrics(mFontMetrics);
+        }
+
         private Paint getBackgroundPaint() {
             return mBackgroundPaint;
         }
@@ -467,6 +502,10 @@
             return mKeyboardPadding;
         }
 
+        private float getTextPadding() {
+            return mTextPadding;
+        }
+
         private float getKeyRadius() {
             return mKeyRadius;
         }
@@ -476,7 +515,8 @@
         }
     }
 
-    private static Paint createTextPaint(@ColorInt int textColor, int textSize, Typeface typeface) {
+    private static Paint createTextPaint(@ColorInt int textColor, float textSize,
+            Typeface typeface) {
         Paint paint = new Paint();
         paint.setColor(textColor);
         paint.setStyle(Paint.Style.FILL);
diff --git a/core/java/android/hardware/input/PhysicalKeyLayout.java b/core/java/android/hardware/input/PhysicalKeyLayout.java
index 844e02f..cff444f 100644
--- a/core/java/android/hardware/input/PhysicalKeyLayout.java
+++ b/core/java/android/hardware/input/PhysicalKeyLayout.java
@@ -336,11 +336,13 @@
             return "";
         }
         int utf8Char = (kcm.get(keyCode, modifierState) & KeyCharacterMap.COMBINING_ACCENT_MASK);
+        if (utf8Char == 0) {
+            return "";
+        }
         if (Character.isValidCodePoint(utf8Char)) {
             return String.valueOf(Character.toChars(utf8Char));
-        } else {
-            return String.valueOf(kcm.getDisplayLabel(keyCode));
         }
+        return "□";
     }
 
     private static LayoutKey getKey(int keyCode, float keyWeight) {
@@ -434,10 +436,11 @@
         }
 
         public boolean hasValidAltGrText() {
-            return !TextUtils.isEmpty(mAltGrText) && !TextUtils.equals(mBaseText, mAltGrText);
+            return !TextUtils.isEmpty(mAltGrText) && !TextUtils.equals(mBaseText, mAltGrText)
+                    && !TextUtils.equals(mShiftText, mAltGrText);
         }
 
-        public boolean hasValidAltShiftText() {
+        public boolean hasValidAltGrShiftText() {
             return !TextUtils.isEmpty(mAltGrShiftText)
                     && !TextUtils.equals(mBaseText, mAltGrShiftText)
                     && !TextUtils.equals(mAltGrText, mAltGrShiftText)
diff --git a/core/java/android/hardware/input/VirtualKeyboard.java b/core/java/android/hardware/input/VirtualKeyboard.java
index 6eb2ae3..6a7d195 100644
--- a/core/java/android/hardware/input/VirtualKeyboard.java
+++ b/core/java/android/hardware/input/VirtualKeyboard.java
@@ -18,7 +18,9 @@
 
 import android.annotation.NonNull;
 import android.annotation.RequiresPermission;
+import android.annotation.SuppressLint;
 import android.annotation.SystemApi;
+import android.annotation.TestApi;
 import android.companion.virtual.IVirtualDevice;
 import android.os.IBinder;
 import android.os.RemoteException;
@@ -66,4 +68,15 @@
             throw e.rethrowFromSystemServer();
         }
     }
+
+    /**
+     * @return The id of the {@link android.view.InputDevice} corresponding to this keyboard.
+     * @hide
+     */
+    @SuppressLint("UnflaggedApi") // @TestApi without associated feature.
+    @TestApi
+    @Override
+    public int getInputDeviceId() {
+        return super.getInputDeviceId();
+    }
 }
diff --git a/core/java/android/service/ondeviceintelligence/IOnDeviceIntelligenceService.aidl b/core/java/android/service/ondeviceintelligence/IOnDeviceIntelligenceService.aidl
new file mode 100644
index 0000000..bbb4bc6
--- /dev/null
+++ b/core/java/android/service/ondeviceintelligence/IOnDeviceIntelligenceService.aidl
@@ -0,0 +1,44 @@
+/*
+ * 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 android.service.ondeviceintelligence;
+
+import android.os.PersistableBundle;
+import android.os.ParcelFileDescriptor;
+import android.os.ICancellationSignal;
+import android.os.RemoteCallback;
+import android.app.ondeviceintelligence.IDownloadCallback;
+import android.app.ondeviceintelligence.Feature;
+import android.app.ondeviceintelligence.IFeatureCallback;
+import android.app.ondeviceintelligence.IListFeaturesCallback;
+import android.app.ondeviceintelligence.IFeatureDetailsCallback;
+import com.android.internal.infra.AndroidFuture;
+
+
+/**
+ * Interface for a concrete implementation to provide on device intelligence services.
+ *
+ * @hide
+ */
+oneway interface IOnDeviceIntelligenceService {
+    void getVersion(in RemoteCallback remoteCallback);
+    void getFeature(in int featureId, in IFeatureCallback featureCallback);
+    void listFeatures(in IListFeaturesCallback listFeaturesCallback);
+    void getFeatureDetails(in Feature feature, in IFeatureDetailsCallback featureDetailsCallback);
+    void getReadOnlyFileDescriptor(in String fileName, in AndroidFuture<ParcelFileDescriptor> future);
+    void getReadOnlyFeatureFileDescriptorMap(in Feature feature, in RemoteCallback remoteCallback);
+    void requestFeatureDownload(in Feature feature, in ICancellationSignal cancellationSignal, in IDownloadCallback downloadCallback);
+}
\ No newline at end of file
diff --git a/core/java/android/service/ondeviceintelligence/IOnDeviceTrustedInferenceService.aidl b/core/java/android/service/ondeviceintelligence/IOnDeviceTrustedInferenceService.aidl
new file mode 100644
index 0000000..08eb927
--- /dev/null
+++ b/core/java/android/service/ondeviceintelligence/IOnDeviceTrustedInferenceService.aidl
@@ -0,0 +1,44 @@
+/*
+ * 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 android.service.ondeviceintelligence;
+
+import android.app.ondeviceintelligence.IStreamingResponseCallback;
+import android.app.ondeviceintelligence.IResponseCallback;
+import android.app.ondeviceintelligence.ITokenCountCallback;
+import android.app.ondeviceintelligence.IProcessingSignal;
+import android.app.ondeviceintelligence.Content;
+import android.app.ondeviceintelligence.Feature;
+import android.os.ICancellationSignal;
+import android.service.ondeviceintelligence.IRemoteStorageService;
+
+
+/**
+ * Interface for a concrete implementation to provide on device trusted inference.
+ *
+ * @hide
+ */
+oneway interface IOnDeviceTrustedInferenceService {
+    void registerRemoteStorageService(in IRemoteStorageService storageService);
+    void requestTokenCount(in Feature feature, in Content request, in ICancellationSignal cancellationSignal,
+                            in ITokenCountCallback tokenCountCallback);
+    void processRequest(in Feature feature, in Content request, in int requestType,
+                        in ICancellationSignal cancellationSignal, in IProcessingSignal processingSignal,
+                        in IResponseCallback callback);
+    void processRequestStreaming(in Feature feature, in Content request, in int requestType,
+                                in ICancellationSignal cancellationSignal, in IProcessingSignal processingSignal,
+                                in IStreamingResponseCallback callback);
+}
\ No newline at end of file
diff --git a/core/java/android/service/ondeviceintelligence/IRemoteStorageService.aidl b/core/java/android/service/ondeviceintelligence/IRemoteStorageService.aidl
new file mode 100644
index 0000000..a6f49e1
--- /dev/null
+++ b/core/java/android/service/ondeviceintelligence/IRemoteStorageService.aidl
@@ -0,0 +1,34 @@
+/*
+ * 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 android.service.ondeviceintelligence;
+
+import android.app.ondeviceintelligence.Feature;
+import android.os.ParcelFileDescriptor;
+import android.os.RemoteCallback;
+
+import com.android.internal.infra.AndroidFuture;
+
+/**
+ * Interface for a concrete implementation to provide access to storage read access
+ * for the isolated process.
+ *
+ * @hide
+ */
+oneway interface IRemoteStorageService {
+    void getReadOnlyFileDescriptor(in String filePath, in AndroidFuture<ParcelFileDescriptor> future);
+    void getReadOnlyFeatureFileDescriptorMap(in Feature feature, in RemoteCallback remoteCallback);
+}
\ No newline at end of file
diff --git a/core/java/android/service/ondeviceintelligence/OnDeviceIntelligenceService.java b/core/java/android/service/ondeviceintelligence/OnDeviceIntelligenceService.java
new file mode 100644
index 0000000..0cba1d3
--- /dev/null
+++ b/core/java/android/service/ondeviceintelligence/OnDeviceIntelligenceService.java
@@ -0,0 +1,383 @@
+/*
+ * Copyright (C) 2023 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 android.service.ondeviceintelligence;
+
+import static android.app.ondeviceintelligence.flags.Flags.FLAG_ENABLE_ON_DEVICE_INTELLIGENCE;
+
+import android.annotation.FlaggedApi;
+import android.annotation.NonNull;
+import android.annotation.Nullable;
+import android.annotation.SdkConstant;
+import android.annotation.SystemApi;
+import android.app.Service;
+import android.app.ondeviceintelligence.DownloadCallback;
+import android.app.ondeviceintelligence.Feature;
+import android.app.ondeviceintelligence.FeatureDetails;
+import android.app.ondeviceintelligence.IDownloadCallback;
+import android.app.ondeviceintelligence.IFeatureCallback;
+import android.app.ondeviceintelligence.IFeatureDetailsCallback;
+import android.app.ondeviceintelligence.IListFeaturesCallback;
+import android.app.ondeviceintelligence.OnDeviceIntelligenceManager;
+import android.content.Intent;
+import android.os.Binder;
+import android.os.Bundle;
+import android.os.CancellationSignal;
+import android.os.IBinder;
+import android.os.ICancellationSignal;
+import android.os.OutcomeReceiver;
+import android.os.ParcelFileDescriptor;
+import android.os.PersistableBundle;
+import android.os.RemoteCallback;
+import android.os.RemoteException;
+import android.util.Slog;
+
+import com.android.internal.infra.AndroidFuture;
+
+import java.io.File;
+import java.io.FileNotFoundException;
+import java.util.List;
+import java.util.Map;
+import java.util.Objects;
+import java.util.function.Consumer;
+import java.util.function.LongConsumer;
+
+/**
+ * Abstract base class for performing setup for on-device inference and providing file access to
+ * the isolated counter part {@link OnDeviceTrustedInferenceService}.
+ *
+ * <p> A service that provides configuration and model files relevant to performing inference on
+ * device. The system's default OnDeviceIntelligenceService implementation is configured in
+ * {@code config_defaultOnDeviceIntelligenceService}. If this config has no value, a stub is
+ * returned.
+ *
+ * <pre>
+ * {@literal
+ * <service android:name=".SampleOnDeviceIntelligenceService"
+ *          android:permission="android.permission.BIND_ON_DEVICE_INTELLIGENCE_SERVICE">
+ * </service>}
+ * </pre>
+ *
+ * @hide
+ */
+@SystemApi
+@FlaggedApi(FLAG_ENABLE_ON_DEVICE_INTELLIGENCE)
+public abstract class OnDeviceIntelligenceService extends Service {
+    private static final String TAG = OnDeviceIntelligenceService.class.getSimpleName();
+
+    /**
+     * The {@link Intent} that must be declared as handled by the service. To be supported, the
+     * service must also require the
+     * {@link android.Manifest.permission#BIND_ON_DEVICE_INTELLIGENCE_SERVICE}
+     * permission so that other applications can not abuse it.
+     */
+    @SdkConstant(SdkConstant.SdkConstantType.SERVICE_ACTION)
+    public static final String SERVICE_INTERFACE =
+            "android.service.ondeviceintelligence.OnDeviceIntelligenceService";
+
+    /**
+     * @hide
+     */
+    @Nullable
+    @Override
+    public final IBinder onBind(@NonNull Intent intent) {
+        if (SERVICE_INTERFACE.equals(intent.getAction())) {
+            return new IOnDeviceIntelligenceService.Stub() {
+                /** {@inheritDoc} */
+                @Override
+                public void getVersion(RemoteCallback remoteCallback) {
+                    Objects.requireNonNull(remoteCallback);
+                    OnDeviceIntelligenceService.this.onGetVersion(l -> {
+                        Bundle b = new Bundle();
+                        b.putLong(OnDeviceIntelligenceManager.API_VERSION_BUNDLE_KEY, l);
+                        remoteCallback.sendResult(b);
+                    });
+                }
+
+                @Override
+                public void listFeatures(IListFeaturesCallback listFeaturesCallback) {
+                    Objects.requireNonNull(listFeaturesCallback);
+                    OnDeviceIntelligenceService.this.onListFeatures(
+                            wrapListFeaturesCallback(listFeaturesCallback));
+                }
+
+                @Override
+                public void getFeature(int id, IFeatureCallback featureCallback) {
+                    Objects.requireNonNull(featureCallback);
+                    OnDeviceIntelligenceService.this.onGetFeature(id,
+                            wrapFeatureCallback(featureCallback));
+                }
+
+
+                @Override
+                public void getFeatureDetails(Feature feature,
+                        IFeatureDetailsCallback featureDetailsCallback) {
+                    Objects.requireNonNull(feature);
+                    Objects.requireNonNull(featureDetailsCallback);
+
+                    OnDeviceIntelligenceService.this.onGetFeatureDetails(feature,
+                            wrapFeatureDetailsCallback(featureDetailsCallback));
+                }
+
+                @Override
+                public void requestFeatureDownload(Feature feature,
+                        ICancellationSignal cancellationSignal,
+                        IDownloadCallback downloadCallback) {
+                    Objects.requireNonNull(feature);
+                    Objects.requireNonNull(downloadCallback);
+
+                    OnDeviceIntelligenceService.this.onDownloadFeature(feature,
+                            CancellationSignal.fromTransport(cancellationSignal),
+                            wrapDownloadCallback(downloadCallback));
+                }
+
+                @Override
+                public void getReadOnlyFileDescriptor(String fileName,
+                        AndroidFuture<ParcelFileDescriptor> future) {
+                    Objects.requireNonNull(fileName);
+                    Objects.requireNonNull(future);
+
+                    OnDeviceIntelligenceService.this.onGetReadOnlyFileDescriptor(fileName,
+                            future);
+                }
+
+                @Override
+                public void getReadOnlyFeatureFileDescriptorMap(
+                        Feature feature, RemoteCallback remoteCallback) {
+                    Objects.requireNonNull(feature);
+                    Objects.requireNonNull(remoteCallback);
+
+                    OnDeviceIntelligenceService.this.onGetReadOnlyFeatureFileDescriptorMap(
+                            feature, parcelFileDescriptorMap -> {
+                                Bundle bundle = new Bundle();
+                                parcelFileDescriptorMap.forEach(bundle::putParcelable);
+                                remoteCallback.sendResult(bundle);
+                            });
+                }
+            };
+        }
+        Slog.w(TAG, "Incorrect service interface, returning null.");
+        return null;
+    }
+
+    private OutcomeReceiver<Feature,
+            OnDeviceIntelligenceManager.OnDeviceIntelligenceManagerException> wrapFeatureCallback(
+            IFeatureCallback featureCallback) {
+        return new OutcomeReceiver<>() {
+            @Override
+            public void onResult(@NonNull Feature feature) {
+                try {
+                    featureCallback.onSuccess(feature);
+                } catch (RemoteException e) {
+                    Slog.e(TAG, "Error sending feature: " + e);
+                }
+            }
+
+            @Override
+            public void onError(
+                    @NonNull OnDeviceIntelligenceManager.OnDeviceIntelligenceManagerException exception) {
+                try {
+                    featureCallback.onFailure(exception.getErrorCode(), exception.getMessage(),
+                            exception.getErrorParams());
+                } catch (RemoteException e) {
+                    Slog.e(TAG, "Error sending download feature: " + e);
+                }
+            }
+        };
+
+    }
+
+    private OutcomeReceiver<List<Feature>,
+            OnDeviceIntelligenceManager.OnDeviceIntelligenceManagerException> wrapListFeaturesCallback(
+            IListFeaturesCallback listFeaturesCallback) {
+        return new OutcomeReceiver<>() {
+            @Override
+            public void onResult(@NonNull List<Feature> features) {
+                try {
+                    listFeaturesCallback.onSuccess(features);
+                } catch (RemoteException e) {
+                    Slog.e(TAG, "Error sending feature: " + e);
+                }
+            }
+
+            @Override
+            public void onError(
+                    @NonNull OnDeviceIntelligenceManager.OnDeviceIntelligenceManagerException exception) {
+                try {
+                    listFeaturesCallback.onFailure(exception.getErrorCode(), exception.getMessage(),
+                            exception.getErrorParams());
+                } catch (RemoteException e) {
+                    Slog.e(TAG, "Error sending download feature: " + e);
+                }
+            }
+        };
+    }
+
+    private OutcomeReceiver<FeatureDetails,
+            OnDeviceIntelligenceManager.OnDeviceIntelligenceManagerException> wrapFeatureDetailsCallback(
+            IFeatureDetailsCallback featureStatusCallback) {
+        return new OutcomeReceiver<>() {
+            @Override
+            public void onResult(FeatureDetails result) {
+                try {
+                    featureStatusCallback.onSuccess(result);
+                } catch (RemoteException e) {
+                    Slog.e(TAG, "Error sending feature status: " + e);
+                }
+            }
+
+            @Override
+            public void onError(
+                    @NonNull OnDeviceIntelligenceManager.OnDeviceIntelligenceManagerException exception) {
+                try {
+                    featureStatusCallback.onFailure(exception.getErrorCode(),
+                            exception.getMessage(), exception.getErrorParams());
+                } catch (RemoteException e) {
+                    Slog.e(TAG, "Error sending feature status: " + e);
+                }
+            }
+        };
+    }
+
+
+    private DownloadCallback wrapDownloadCallback(IDownloadCallback downloadCallback) {
+        return new DownloadCallback() {
+            @Override
+            public void onDownloadStarted(long bytesToDownload) {
+                try {
+                    downloadCallback.onDownloadStarted(bytesToDownload);
+                } catch (RemoteException e) {
+                    Slog.e(TAG, "Error sending download status: " + e);
+                }
+            }
+
+            @Override
+            public void onDownloadFailed(int failureStatus,
+                    String errorMessage, @NonNull PersistableBundle errorParams) {
+                try {
+                    downloadCallback.onDownloadFailed(failureStatus, errorMessage, errorParams);
+                } catch (RemoteException e) {
+                    Slog.e(TAG, "Error sending download status: " + e);
+                }
+            }
+
+            @Override
+            public void onDownloadProgress(long totalBytesDownloaded) {
+                try {
+                    downloadCallback.onDownloadProgress(totalBytesDownloaded);
+                } catch (RemoteException e) {
+                    Slog.e(TAG, "Error sending download status: " + e);
+                }
+            }
+
+            @Override
+            public void onDownloadCompleted(@NonNull PersistableBundle persistableBundle) {
+                try {
+                    downloadCallback.onDownloadCompleted(persistableBundle);
+                } catch (RemoteException e) {
+                    Slog.e(TAG, "Error sending download status: " + e);
+                }
+            }
+        };
+    }
+
+    private void onGetReadOnlyFileDescriptor(@NonNull String fileName,
+            @NonNull AndroidFuture<ParcelFileDescriptor> future) {
+        Slog.v(TAG, "onGetReadOnlyFileDescriptor " + fileName);
+        Binder.withCleanCallingIdentity(() -> {
+            Slog.v(TAG,
+                    "onGetReadOnlyFileDescriptor: " + fileName + " under internal app storage.");
+            File f = new File(getBaseContext().getFilesDir(), fileName);
+            ParcelFileDescriptor pfd = null;
+            try {
+                pfd = ParcelFileDescriptor.open(f, ParcelFileDescriptor.MODE_READ_ONLY);
+                Slog.d(TAG, "Successfully opened a file with ParcelFileDescriptor.");
+            } catch (FileNotFoundException e) {
+                Slog.e(TAG, "Cannot open file. No ParcelFileDescriptor returned.");
+            } finally {
+                future.complete(pfd);
+            }
+        });
+    }
+
+    /**
+     * Provide implementation for a scenario when caller wants to get all feature related
+     * file-descriptors that might be required for processing a request for the corresponding the
+     * feature.
+     *
+     * @param feature                   the feature for which files need to be opened.
+     * @param fileDescriptorMapConsumer callback to be populated with a map of file-path and
+     *                                  corresponding ParcelDescriptor to be used in a remote
+     *                                  service.
+     */
+    public abstract void onGetReadOnlyFeatureFileDescriptorMap(
+            @NonNull Feature feature,
+            @NonNull Consumer<Map<String, ParcelFileDescriptor>> fileDescriptorMapConsumer);
+
+    /**
+     * Request download for feature that is requested and listen to download progress updates. If
+     * the download completes successfully, success callback should be populated.
+     *
+     * @param feature            the feature for which files need to be downlaoded.
+     *                           process.
+     * @param cancellationSignal signal to attach a listener to, and receive cancellation signals
+     *                           from thw client.
+     * @param downloadCallback   callback to populate download updates for clients to listen on..
+     */
+    public abstract void onDownloadFeature(
+            @NonNull Feature feature,
+            @Nullable CancellationSignal cancellationSignal,
+            @NonNull DownloadCallback downloadCallback);
+
+    /**
+     * Provide feature details for the passed in feature. Usually the client and remote
+     * implementation use the {@link Feature#getFeatureParams()} as a hint to communicate what
+     * details the client is looking for.
+     *
+     * @param feature               the feature for which status needs to be known.
+     * @param featureStatusCallback callback to populate the resulting feature status.
+     */
+    public abstract void onGetFeatureDetails(@NonNull Feature feature,
+            @NonNull OutcomeReceiver<FeatureDetails,
+                    OnDeviceIntelligenceManager.OnDeviceIntelligenceManagerException> featureStatusCallback);
+
+
+    /**
+     * Get feature using the provided identifier to the remote implementation.
+     *
+     * @param featureCallback callback to populate the features list.
+     */
+    public abstract void onGetFeature(int featureId,
+            @NonNull OutcomeReceiver<Feature,
+                    OnDeviceIntelligenceManager.OnDeviceIntelligenceManagerException> featureCallback);
+
+    /**
+     * List all features which are available in the remote implementation. The implementation might
+     * choose to provide only a certain list of features based on the caller.
+     *
+     * @param listFeaturesCallback callback to populate the features list.
+     */
+    public abstract void onListFeatures(@NonNull OutcomeReceiver<List<Feature>,
+            OnDeviceIntelligenceManager.OnDeviceIntelligenceManagerException> listFeaturesCallback);
+
+    /**
+     * Provides a long value representing the version of the remote implementation processing
+     * requests.
+     *
+     * @param versionConsumer consumer to populate the version.
+     */
+    public abstract void onGetVersion(@NonNull LongConsumer versionConsumer);
+}
diff --git a/core/java/android/service/ondeviceintelligence/OnDeviceTrustedInferenceService.java b/core/java/android/service/ondeviceintelligence/OnDeviceTrustedInferenceService.java
new file mode 100644
index 0000000..96982e3
--- /dev/null
+++ b/core/java/android/service/ondeviceintelligence/OnDeviceTrustedInferenceService.java
@@ -0,0 +1,410 @@
+/*
+ * Copyright (C) 2023 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 android.service.ondeviceintelligence;
+
+import static android.app.ondeviceintelligence.flags.Flags.FLAG_ENABLE_ON_DEVICE_INTELLIGENCE;
+
+import android.annotation.CallbackExecutor;
+import android.annotation.FlaggedApi;
+import android.annotation.NonNull;
+import android.annotation.Nullable;
+import android.annotation.SdkConstant;
+import android.annotation.SystemApi;
+import android.app.Service;
+import android.app.ondeviceintelligence.Content;
+import android.app.ondeviceintelligence.Feature;
+import android.app.ondeviceintelligence.IProcessingSignal;
+import android.app.ondeviceintelligence.IResponseCallback;
+import android.app.ondeviceintelligence.IStreamingResponseCallback;
+import android.app.ondeviceintelligence.ITokenCountCallback;
+import android.app.ondeviceintelligence.OnDeviceIntelligenceManager;
+import android.app.ondeviceintelligence.ProcessingSignal;
+import android.app.ondeviceintelligence.StreamingResponseReceiver;
+import android.content.Context;
+import android.content.Intent;
+import android.os.CancellationSignal;
+import android.os.IBinder;
+import android.os.ICancellationSignal;
+import android.os.OutcomeReceiver;
+import android.os.ParcelFileDescriptor;
+import android.os.RemoteCallback;
+import android.os.RemoteException;
+import android.util.Log;
+import android.util.Slog;
+
+import com.android.internal.infra.AndroidFuture;
+
+import java.io.FileInputStream;
+import java.io.FileNotFoundException;
+import java.util.HashMap;
+import java.util.Map;
+import java.util.Objects;
+import java.util.concurrent.ExecutionException;
+import java.util.concurrent.Executor;
+import java.util.function.Consumer;
+
+/**
+ * Abstract base class for performing inference in a isolated process. This service exposes its
+ * methods via {@link android.app.ondeviceintelligence.OnDeviceIntelligenceManager}.
+ *
+ * <p> A service that provides methods to perform on-device inference both in streaming and
+ * non-streaming fashion. Also, provides a way to register a storage service that will be used to
+ * read-only access files from the {@link OnDeviceIntelligenceService} counterpart. </p>
+ *
+ * <pre>
+ * {@literal
+ * <service android:name=".SampleTrustedInferenceService"
+ *          android:permission="android.permission.BIND_ONDEVICE_TRUSTED_INFERENCE_SERVICE"
+ *          android:isolatedProcess="true">
+ * </service>}
+ * </pre>
+ *
+ * @hide
+ */
+@SystemApi
+@FlaggedApi(FLAG_ENABLE_ON_DEVICE_INTELLIGENCE)
+public abstract class OnDeviceTrustedInferenceService extends Service {
+    private static final String TAG = OnDeviceTrustedInferenceService.class.getSimpleName();
+
+    /**
+     * The {@link Intent} that must be declared as handled by the service. To be supported, the
+     * service must also require the
+     * {@link android.Manifest.permission#BIND_ON_DEVICE_TRUSTED_INFERENCE_SERVICE}
+     * permission so that other applications can not abuse it.
+     */
+    @SdkConstant(SdkConstant.SdkConstantType.SERVICE_ACTION)
+    public static final String SERVICE_INTERFACE =
+            "android.service.ondeviceintelligence.OnDeviceTrustedInferenceService";
+
+    private IRemoteStorageService mRemoteStorageService;
+
+    /**
+     * @hide
+     */
+    @Nullable
+    @Override
+    public final IBinder onBind(@NonNull Intent intent) {
+        if (SERVICE_INTERFACE.equals(intent.getAction())) {
+            return new IOnDeviceTrustedInferenceService.Stub() {
+                @Override
+                public void registerRemoteStorageService(IRemoteStorageService storageService) {
+                    Objects.requireNonNull(storageService);
+                    mRemoteStorageService = storageService;
+                }
+
+                @Override
+                public void requestTokenCount(Feature feature, Content request,
+                        ICancellationSignal cancellationSignal,
+                        ITokenCountCallback tokenCountCallback) {
+                    Objects.requireNonNull(feature);
+                    Objects.requireNonNull(tokenCountCallback);
+                    OnDeviceTrustedInferenceService.this.onCountTokens(feature,
+                            request,
+                            CancellationSignal.fromTransport(cancellationSignal),
+                            wrapTokenCountCallback(tokenCountCallback));
+                }
+
+                @Override
+                public void processRequestStreaming(Feature feature, Content request,
+                        int requestType, ICancellationSignal cancellationSignal,
+                        IProcessingSignal processingSignal,
+                        IStreamingResponseCallback callback) {
+                    Objects.requireNonNull(feature);
+                    Objects.requireNonNull(request);
+                    Objects.requireNonNull(callback);
+
+                    OnDeviceTrustedInferenceService.this.onProcessRequestStreaming(feature,
+                            request,
+                            requestType,
+                            CancellationSignal.fromTransport(cancellationSignal),
+                            ProcessingSignal.fromTransport(processingSignal),
+                            wrapStreamingResponseCallback(callback)
+                    );
+                }
+
+                @Override
+                public void processRequest(Feature feature, Content request,
+                        int requestType, ICancellationSignal cancellationSignal,
+                        IProcessingSignal processingSignal,
+                        IResponseCallback callback) {
+                    Objects.requireNonNull(feature);
+                    Objects.requireNonNull(request);
+                    Objects.requireNonNull(callback);
+
+
+                    OnDeviceTrustedInferenceService.this.onProcessRequest(feature, request,
+                            requestType, CancellationSignal.fromTransport(cancellationSignal),
+                            ProcessingSignal.fromTransport(processingSignal),
+                            wrapResponseCallback(callback)
+                    );
+                }
+            };
+        }
+        Slog.w(TAG, "Incorrect service interface, returning null.");
+        return null;
+    }
+
+    /**
+     * Invoked when caller  wants to obtain a count of number of tokens present in the passed in
+     * Request associated with the provided feature.
+     * The expectation from the implementation is that when processing is complete, it
+     * should provide the token count in the {@link OutcomeReceiver#onResult}.
+     *
+     * @param feature            feature which is associated with the request.
+     * @param request            request that requires processing.
+     * @param cancellationSignal Cancellation Signal to receive cancellation events from client and
+     *                           configure a listener to.
+     * @param callback           callback to populate failure and full response for the provided
+     *                           request.
+     */
+    @NonNull
+    public abstract void onCountTokens(
+            @NonNull Feature feature,
+            @NonNull Content request,
+            @Nullable CancellationSignal cancellationSignal,
+            @NonNull OutcomeReceiver<Long,
+                    OnDeviceIntelligenceManager.OnDeviceIntelligenceManagerProcessingException> callback);
+
+    /**
+     * Invoked when caller provides a request for a particular feature to be processed in a
+     * streaming manner. The expectation from the implementation is that when processing the
+     * request,
+     * it periodically populates the {@link StreamingResponseReceiver#onNewContent} to continuously
+     * provide partial Content results for the caller to utilize. Optionally the implementation can
+     * provide the complete response in the {@link StreamingResponseReceiver#onResult} upon
+     * processing completion.
+     *
+     * @param feature            feature which is associated with the request.
+     * @param request            request that requires processing.
+     * @param requestType        identifier representing the type of request.
+     * @param cancellationSignal Cancellation Signal to receive cancellation events from client and
+     *                           configure a listener to.
+     * @param processingSignal   Signal to receive custom action instructions from client.
+     * @param callback           callback to populate the partial responses, failure and optionally
+     *                           full response for the provided request.
+     */
+    @NonNull
+    public abstract void onProcessRequestStreaming(
+            @NonNull Feature feature,
+            @NonNull Content request,
+            @OnDeviceIntelligenceManager.RequestType int requestType,
+            @Nullable CancellationSignal cancellationSignal,
+            @Nullable ProcessingSignal processingSignal,
+            @NonNull StreamingResponseReceiver<Content, Content,
+                    OnDeviceIntelligenceManager.OnDeviceIntelligenceManagerProcessingException> callback);
+
+    /**
+     * Invoked when caller provides a request for a particular feature to be processed in one shot
+     * completely.
+     * The expectation from the implementation is that when processing the request is complete, it
+     * should
+     * provide the complete response in the {@link OutcomeReceiver#onResult}.
+     *
+     * @param feature            feature which is associated with the request.
+     * @param request            request that requires processing.
+     * @param requestType        identifier representing the type of request.
+     * @param cancellationSignal Cancellation Signal to receive cancellation events from client and
+     *                           configure a listener to.
+     * @param processingSignal   Signal to receive custom action instructions from client.
+     * @param callback           callback to populate failure and full response for the provided
+     *                           request.
+     */
+    @NonNull
+    public abstract void onProcessRequest(
+            @NonNull Feature feature,
+            @NonNull Content request,
+            @OnDeviceIntelligenceManager.RequestType int requestType,
+            @Nullable CancellationSignal cancellationSignal,
+            @Nullable ProcessingSignal processingSignal,
+            @NonNull OutcomeReceiver<Content,
+                    OnDeviceIntelligenceManager.OnDeviceIntelligenceManagerProcessingException> callback);
+
+    /**
+     * Overrides {@link Context#openFileInput} to read files with the given file names under the
+     * internal app storage of the {@link OnDeviceIntelligenceService}, i.e., only files stored in
+     * {@link Context#getFilesDir()} can be opened.
+     */
+    @Override
+    public final FileInputStream openFileInput(@NonNull String filename) throws
+            FileNotFoundException {
+        try {
+            AndroidFuture<ParcelFileDescriptor> future = new AndroidFuture<>();
+            mRemoteStorageService.getReadOnlyFileDescriptor(filename, future);
+            ParcelFileDescriptor pfd = future.get();
+            return new FileInputStream(pfd.getFileDescriptor());
+        } catch (RemoteException | ExecutionException | InterruptedException e) {
+            Log.w(TAG, "Cannot open file due to remote service failure");
+            throw new FileNotFoundException(e.getMessage());
+        }
+    }
+
+    /**
+     * Provides read-only access to the internal app storage via the
+     * {@link OnDeviceIntelligenceService}. This is an asynchronous implementation for
+     * {@link #openFileInput(String)}.
+     *
+     * @param fileName       File name relative to the {@link Context#getFilesDir()}.
+     * @param resultConsumer Consumer to populate the corresponding file stream in.
+     */
+    public final void openFileInputAsync(@NonNull String fileName,
+            @NonNull @CallbackExecutor Executor executor,
+            @NonNull Consumer<FileInputStream> resultConsumer) throws FileNotFoundException {
+        AndroidFuture<ParcelFileDescriptor> future = new AndroidFuture<>();
+        try {
+            mRemoteStorageService.getReadOnlyFileDescriptor(fileName, future);
+        } catch (RemoteException e) {
+            Log.w(TAG, "Cannot open file due to remote service failure");
+            throw new FileNotFoundException(e.getMessage());
+        }
+        future.whenCompleteAsync((pfd, err) -> {
+            if (err != null) {
+                Log.e(TAG, "Failure when reading file: " + fileName + err);
+                executor.execute(() -> resultConsumer.accept(null));
+            } else {
+                executor.execute(
+                        () -> resultConsumer.accept(new FileInputStream(pfd.getFileDescriptor())));
+            }
+        }, executor);
+    }
+
+    /**
+     * Provides access to all file streams required for feature via the
+     * {@link OnDeviceIntelligenceService}.
+     *
+     * @param feature        Feature for which the associated files should be fetched.
+     * @param executor       Executor to run the consumer callback on.
+     * @param resultConsumer Consumer to receive a map of filePath to the corresponding file input
+     *                       stream.
+     */
+    public final void fetchFeatureFileInputStreamMap(@NonNull Feature feature,
+            @NonNull @CallbackExecutor Executor executor,
+            @NonNull Consumer<Map<String, FileInputStream>> resultConsumer) {
+        try {
+            mRemoteStorageService.getReadOnlyFeatureFileDescriptorMap(feature,
+                    wrapResultReceiverAsReadOnly(resultConsumer, executor));
+        } catch (RemoteException e) {
+            throw new RuntimeException(e);
+        }
+    }
+
+    private RemoteCallback wrapResultReceiverAsReadOnly(
+            @NonNull Consumer<Map<String, FileInputStream>> resultConsumer,
+            @NonNull Executor executor) {
+        return new RemoteCallback(result -> {
+            if (result == null) {
+                executor.execute(() -> resultConsumer.accept(new HashMap<>()));
+            } else {
+                Map<String, FileInputStream> bundleMap = new HashMap<>();
+                result.keySet().forEach(key -> {
+                    ParcelFileDescriptor pfd = result.getParcelable(key,
+                            ParcelFileDescriptor.class);
+                    if (pfd != null) {
+                        bundleMap.put(key, new FileInputStream(pfd.getFileDescriptor()));
+                    }
+                });
+                executor.execute(() -> resultConsumer.accept(bundleMap));
+            }
+        });
+    }
+
+    private OutcomeReceiver<Content,
+            OnDeviceIntelligenceManager.OnDeviceIntelligenceManagerProcessingException> wrapResponseCallback(
+            IResponseCallback callback) {
+        return new OutcomeReceiver<>() {
+            @Override
+            public void onResult(@androidx.annotation.NonNull Content response) {
+                try {
+                    callback.onSuccess(response);
+                } catch (RemoteException e) {
+                    Slog.e(TAG, "Error sending result: " + e);
+                }
+            }
+
+            @Override
+            public void onError(
+                    OnDeviceIntelligenceManager.OnDeviceIntelligenceManagerProcessingException exception) {
+                try {
+                    callback.onFailure(exception.getErrorCode(), exception.getMessage(),
+                            exception.getErrorParams());
+                } catch (RemoteException e) {
+                    Slog.e(TAG, "Error sending result: " + e);
+                }
+            }
+        };
+    }
+
+    private StreamingResponseReceiver<Content, Content,
+            OnDeviceIntelligenceManager.OnDeviceIntelligenceManagerProcessingException> wrapStreamingResponseCallback(
+            IStreamingResponseCallback callback) {
+        return new StreamingResponseReceiver<>() {
+            @Override
+            public void onNewContent(@androidx.annotation.NonNull Content content) {
+                try {
+                    callback.onNewContent(content);
+                } catch (RemoteException e) {
+                    Slog.e(TAG, "Error sending result: " + e);
+                }
+            }
+
+            @Override
+            public void onResult(@androidx.annotation.NonNull Content response) {
+                try {
+                    callback.onSuccess(response);
+                } catch (RemoteException e) {
+                    Slog.e(TAG, "Error sending result: " + e);
+                }
+            }
+
+            @Override
+            public void onError(
+                    OnDeviceIntelligenceManager.OnDeviceIntelligenceManagerProcessingException exception) {
+                try {
+                    callback.onFailure(exception.getErrorCode(), exception.getMessage(),
+                            exception.getErrorParams());
+                } catch (RemoteException e) {
+                    Slog.e(TAG, "Error sending result: " + e);
+                }
+            }
+        };
+    }
+
+    private OutcomeReceiver<Long,
+            OnDeviceIntelligenceManager.OnDeviceIntelligenceManagerProcessingException> wrapTokenCountCallback(
+            ITokenCountCallback tokenCountCallback) {
+        return new OutcomeReceiver<>() {
+            @Override
+            public void onResult(Long tokenCount) {
+                try {
+                    tokenCountCallback.onSuccess(tokenCount);
+                } catch (RemoteException e) {
+                    Slog.e(TAG, "Error sending result: " + e);
+                }
+            }
+
+            @Override
+            public void onError(
+                    OnDeviceIntelligenceManager.OnDeviceIntelligenceManagerProcessingException exception) {
+                try {
+                    tokenCountCallback.onFailure(exception.getErrorCode(), exception.getMessage(),
+                            exception.getErrorParams());
+                } catch (RemoteException e) {
+                    Slog.e(TAG, "Error sending failure: " + e);
+                }
+            }
+        };
+    }
+}
diff --git a/core/java/android/view/autofill/AutofillManager.java b/core/java/android/view/autofill/AutofillManager.java
index bd9f504..83683ca 100644
--- a/core/java/android/view/autofill/AutofillManager.java
+++ b/core/java/android/view/autofill/AutofillManager.java
@@ -2364,6 +2364,7 @@
 
         synchronized (mLock) {
             if (!isActiveLocked()) {
+                Log.w(TAG, "onAuthenticationResult(): sessionId=" + mSessionId + " not active");
                 return;
             }
             mState = STATE_ACTIVE;
@@ -2380,6 +2381,7 @@
             }
             if (data == null) {
                 // data is set to null when result is not RESULT_OK
+                Log.i(TAG, "onAuthenticationResult(): empty intent");
                 return;
             }
 
diff --git a/core/java/android/view/inputmethod/IInputMethodManagerGlobalInvoker.java b/core/java/android/view/inputmethod/IInputMethodManagerGlobalInvoker.java
index dc5e0e5..88ca2a4 100644
--- a/core/java/android/view/inputmethod/IInputMethodManagerGlobalInvoker.java
+++ b/core/java/android/view/inputmethod/IInputMethodManagerGlobalInvoker.java
@@ -66,6 +66,7 @@
 
     @Nullable
     private static volatile IImeTracker sTrackerServiceCache = null;
+    private static int sCurStartInputSeq = 0;
 
     /**
      * @return {@code true} if {@link IInputMethodManager} is available.
@@ -327,6 +328,7 @@
         }
     }
 
+    // TODO(b/293640003): Remove method once Flags.useZeroJankProxy() is enabled.
     @AnyThread
     @NonNull
     @RequiresPermission(value = Manifest.permission.INTERACT_ACROSS_USERS_FULL, conditional = true)
@@ -353,6 +355,41 @@
         }
     }
 
+    /**
+     * Returns a sequence number for startInput.
+     */
+    @AnyThread
+    @NonNull
+    @RequiresPermission(value = Manifest.permission.INTERACT_ACROSS_USERS_FULL, conditional = true)
+    static int startInputOrWindowGainedFocusAsync(@StartInputReason int startInputReason,
+            @NonNull IInputMethodClient client, @Nullable IBinder windowToken,
+            @StartInputFlags int startInputFlags,
+            @WindowManager.LayoutParams.SoftInputModeFlags int softInputMode,
+            @WindowManager.LayoutParams.Flags int windowFlags, @Nullable EditorInfo editorInfo,
+            @Nullable IRemoteInputConnection remoteInputConnection,
+            @Nullable IRemoteAccessibilityInputConnection remoteAccessibilityInputConnection,
+            int unverifiedTargetSdkVersion, @UserIdInt int userId,
+            @NonNull ImeOnBackInvokedDispatcher imeDispatcher) {
+        final IInputMethodManager service = getService();
+        if (service == null) {
+            return -1;
+        }
+        try {
+            service.startInputOrWindowGainedFocusAsync(startInputReason, client, windowToken,
+                    startInputFlags, softInputMode, windowFlags, editorInfo, remoteInputConnection,
+                    remoteAccessibilityInputConnection, unverifiedTargetSdkVersion, userId,
+                    imeDispatcher, advanceAngGetStartInputSequenceNumber());
+        } catch (RemoteException e) {
+            throw e.rethrowFromSystemServer();
+        }
+        return sCurStartInputSeq;
+    }
+
+    private static int advanceAngGetStartInputSequenceNumber() {
+        return ++sCurStartInputSeq;
+    }
+
+
     @AnyThread
     static void showInputMethodPickerFromClient(@NonNull IInputMethodClient client,
             int auxiliarySubtypeMode) {
diff --git a/core/java/android/view/inputmethod/InputMethodManager.java b/core/java/android/view/inputmethod/InputMethodManager.java
index f4b09df..72125ba 100644
--- a/core/java/android/view/inputmethod/InputMethodManager.java
+++ b/core/java/android/view/inputmethod/InputMethodManager.java
@@ -321,6 +321,22 @@
     };
 
     /**
+     * A runnable that reports {@link InputConnection} opened event for calls to
+     * {@link IInputMethodManagerGlobalInvoker#startInputOrWindowGainedFocusAsync}.
+     */
+    private abstract static class ReportInputConnectionOpenedRunner implements Runnable {
+        /**
+         * Sequence number to track startInput requests to
+         * {@link IInputMethodManagerGlobalInvoker#startInputOrWindowGainedFocusAsync}
+         */
+        int mSequenceNum;
+        ReportInputConnectionOpenedRunner(int sequenceNum) {
+            this.mSequenceNum = sequenceNum;
+        }
+    }
+    private ReportInputConnectionOpenedRunner mReportInputConnectionOpenedRunner;
+
+    /**
      * Ensures that {@link #sInstance} becomes non-{@code null} for application that have directly
      * or indirectly relied on {@link #sInstance} via reflection or something like that.
      *
@@ -691,6 +707,7 @@
     private static final int MSG_UNBIND_ACCESSIBILITY_SERVICE = 12;
     private static final int MSG_SET_INTERACTIVE = 13;
     private static final int MSG_ON_SHOW_REQUESTED = 31;
+    private static final int MSG_START_INPUT_RESULT = 40;
 
     /**
      * Calling this will invalidate Local stylus handwriting availability Cache which
@@ -1045,7 +1062,7 @@
                     return;
                 }
                 case MSG_BIND: {
-                    final InputBindResult res = (InputBindResult)msg.obj;
+                    final InputBindResult res = (InputBindResult) msg.obj;
                     if (DEBUG) {
                         Log.i(TAG, "handleMessage: MSG_BIND " + res.sequence + "," + res.id);
                     }
@@ -1071,6 +1088,60 @@
                     startInputInner(StartInputReason.BOUND_TO_IMMS, null, 0, 0, 0);
                     return;
                 }
+
+                case MSG_START_INPUT_RESULT: {
+                    final InputBindResult res = (InputBindResult) msg.obj;
+                    final int startInputSeq = msg.arg1;
+                    if (res == null) {
+                        // IMMS logs .wtf already.
+                        return;
+                    }
+                    if (DEBUG) Log.v(TAG, "Starting input: Bind result=" + res);
+                    synchronized (mH) {
+                        if (res.id != null) {
+                            updateInputChannelLocked(res.channel);
+                            mCurMethod = res.method; // for @UnsupportedAppUsage
+                            mCurBindState = new BindState(res);
+                            mAccessibilityInputMethodSession.clear();
+                            if (res.accessibilitySessions != null) {
+                                for (int i = 0; i < res.accessibilitySessions.size(); i++) {
+                                    IAccessibilityInputMethodSessionInvoker wrapper =
+                                            IAccessibilityInputMethodSessionInvoker.createOrNull(
+                                                    res.accessibilitySessions.valueAt(i));
+                                    if (wrapper != null) {
+                                        mAccessibilityInputMethodSession.append(
+                                                res.accessibilitySessions.keyAt(i), wrapper);
+                                    }
+                                }
+                            }
+                            mCurId = res.id; // for @UnsupportedAppUsage
+                        } else if (res.channel != null && res.channel != mCurChannel) {
+                            res.channel.dispose();
+                        }
+                        switch (res.result) {
+                            case InputBindResult.ResultCode.ERROR_NOT_IME_TARGET_WINDOW:
+                                mRestartOnNextWindowFocus = true;
+                                mServedView = null;
+                                break;
+                        }
+                        if (mCompletions != null) {
+                            if (isImeSessionAvailableLocked()) {
+                                mCurBindState.mImeSession.displayCompletions(mCompletions);
+                            }
+                        }
+
+                        if (res != null
+                                && res.method != null
+                                && mServedView != null
+                                && mReportInputConnectionOpenedRunner != null
+                                && mReportInputConnectionOpenedRunner.mSequenceNum
+                                        == startInputSeq) {
+                            mReportInputConnectionOpenedRunner.run();
+                        }
+                        mReportInputConnectionOpenedRunner = null;
+                    }
+                    return;
+                }
                 case MSG_UNBIND: {
                     final int sequence = msg.arg1;
                     @UnbindReason
@@ -1322,6 +1393,12 @@
         }
 
         @Override
+        public void onStartInputResult(InputBindResult res, int startInputSeq) {
+            mH.obtainMessage(MSG_START_INPUT_RESULT, startInputSeq, -1 /* unused */, res)
+                    .sendToTarget();
+        }
+
+        @Override
         public void onBindAccessibilityService(InputBindResult res, int id) {
             mH.obtainMessage(MSG_BIND_ACCESSIBILITY_SERVICE, id, 0, res).sendToTarget();
         }
@@ -2010,6 +2087,7 @@
             mServedConnecting = false;
             clearConnectionLocked();
         }
+        mReportInputConnectionOpenedRunner = null;
         // Clear the back callbacks held by the ime dispatcher to avoid memory leaks.
         mImeDispatcher.clear();
     }
@@ -3080,14 +3158,52 @@
             final int targetUserId = editorInfo.targetInputMethodUser != null
                     ? editorInfo.targetInputMethodUser.getIdentifier() : UserHandle.myUserId();
             Trace.traceBegin(TRACE_TAG_WINDOW_MANAGER, "IMM.startInputOrWindowGainedFocus");
-            res = IInputMethodManagerGlobalInvoker.startInputOrWindowGainedFocus(
-                    startInputReason, mClient, windowGainingFocus, startInputFlags,
-                    softInputMode, windowFlags, editorInfo, servedInputConnection,
-                    servedInputConnection == null ? null
-                            : servedInputConnection.asIRemoteAccessibilityInputConnection(),
-                    view.getContext().getApplicationInfo().targetSdkVersion, targetUserId,
-                    mImeDispatcher);
+
+            int startInputSeq = -1;
+            if (Flags.useZeroJankProxy()) {
+                // async result delivered via MSG_START_INPUT_RESULT.
+                startInputSeq = IInputMethodManagerGlobalInvoker.startInputOrWindowGainedFocusAsync(
+                        startInputReason, mClient, windowGainingFocus, startInputFlags,
+                        softInputMode, windowFlags, editorInfo, servedInputConnection,
+                        servedInputConnection == null ? null
+                                : servedInputConnection.asIRemoteAccessibilityInputConnection(),
+                        view.getContext().getApplicationInfo().targetSdkVersion, targetUserId,
+                        mImeDispatcher);
+            } else {
+                res = IInputMethodManagerGlobalInvoker.startInputOrWindowGainedFocus(
+                        startInputReason, mClient, windowGainingFocus, startInputFlags,
+                        softInputMode, windowFlags, editorInfo, servedInputConnection,
+                        servedInputConnection == null ? null
+                                : servedInputConnection.asIRemoteAccessibilityInputConnection(),
+                        view.getContext().getApplicationInfo().targetSdkVersion, targetUserId,
+                        mImeDispatcher);
+            }
             Trace.traceEnd(TRACE_TAG_WINDOW_MANAGER);
+            if (Flags.useZeroJankProxy()) {
+                // Create a runnable for delayed notification to the app that the InputConnection is
+                // initialized and ready for use.
+                if (ic != null) {
+                    final int seqId = startInputSeq;
+                    mReportInputConnectionOpenedRunner =
+                            new ReportInputConnectionOpenedRunner(startInputSeq) {
+                                @Override
+                                public void run() {
+                                    if (DEBUG) {
+                                        Log.v(TAG, "Calling View.onInputConnectionOpened: view= "
+                                                + view
+                                                + ", ic=" + ic + ", editorInfo=" + editorInfo
+                                                + ", handler="
+                                                + icHandler + ", startInputSeq=" + seqId);
+                                    }
+                                    reportInputConnectionOpened(ic, editorInfo, icHandler, view);
+                                }
+                            };
+                } else {
+                    mReportInputConnectionOpenedRunner = null;
+                }
+                return true;
+            }
+
             if (DEBUG) Log.v(TAG, "Starting input: Bind result=" + res);
             if (res == null) {
                 Log.wtf(TAG, "startInputOrWindowGainedFocus must not return"
@@ -3118,6 +3234,7 @@
             } else if (res.channel != null && res.channel != mCurChannel) {
                 res.channel.dispose();
             }
+
             switch (res.result) {
                 case InputBindResult.ResultCode.ERROR_NOT_IME_TARGET_WINDOW:
                     mRestartOnNextWindowFocus = true;
diff --git a/core/java/com/android/internal/colorextraction/OWNERS b/core/java/com/android/internal/colorextraction/OWNERS
index ffade1e..041559c 100644
--- a/core/java/com/android/internal/colorextraction/OWNERS
+++ b/core/java/com/android/internal/colorextraction/OWNERS
@@ -1,3 +1,2 @@
-dupin@google.com
 cinek@google.com
-jamesoleary@google.com
+arteiro@google.com
diff --git a/core/java/com/android/internal/inputmethod/IInputMethodClient.aidl b/core/java/com/android/internal/inputmethod/IInputMethodClient.aidl
index 9251d2d..babd9a0 100644
--- a/core/java/com/android/internal/inputmethod/IInputMethodClient.aidl
+++ b/core/java/com/android/internal/inputmethod/IInputMethodClient.aidl
@@ -24,6 +24,7 @@
  */
 oneway interface IInputMethodClient {
     void onBindMethod(in InputBindResult res);
+    void onStartInputResult(in InputBindResult res, int startInputSeq);
     void onBindAccessibilityService(in InputBindResult res, int id);
     void onUnbindMethod(int sequence, int unbindReason);
     void onUnbindAccessibilityService(int sequence, int id);
diff --git a/core/java/com/android/internal/inputmethod/InputBindResult.java b/core/java/com/android/internal/inputmethod/InputBindResult.java
index b6eca07..243b103 100644
--- a/core/java/com/android/internal/inputmethod/InputBindResult.java
+++ b/core/java/com/android/internal/inputmethod/InputBindResult.java
@@ -271,6 +271,7 @@
     public String toString() {
         return "InputBindResult{result=" + getResultString() + " method=" + method + " id=" + id
                 + " sequence=" + sequence
+                + " result=" + result
                 + " isInputMethodSuppressingSpellChecker=" + isInputMethodSuppressingSpellChecker
                 + "}";
     }
diff --git a/core/java/com/android/internal/jank/Cuj.java b/core/java/com/android/internal/jank/Cuj.java
index 48c455a..3662d69 100644
--- a/core/java/com/android/internal/jank/Cuj.java
+++ b/core/java/com/android/internal/jank/Cuj.java
@@ -120,7 +120,7 @@
     public static final int CUJ_PREDICTIVE_BACK_CROSS_ACTIVITY = 84;
     public static final int CUJ_PREDICTIVE_BACK_CROSS_TASK = 85;
     public static final int CUJ_PREDICTIVE_BACK_HOME = 86;
-    public static final int CUJ_LAUNCHER_SEARCH_QSB_OPEN = 87;
+    // 87 is reserved - previously assigned to deprecated CUJ_LAUNCHER_SEARCH_QSB_OPEN.
     public static final int CUJ_BACK_PANEL_ARROW = 88;
     public static final int CUJ_LAUNCHER_CLOSE_ALL_APPS_BACK = 89;
     public static final int CUJ_LAUNCHER_SEARCH_QSB_WEB_SEARCH = 90;
@@ -209,7 +209,6 @@
             CUJ_PREDICTIVE_BACK_CROSS_ACTIVITY,
             CUJ_PREDICTIVE_BACK_CROSS_TASK,
             CUJ_PREDICTIVE_BACK_HOME,
-            CUJ_LAUNCHER_SEARCH_QSB_OPEN,
             CUJ_BACK_PANEL_ARROW,
             CUJ_LAUNCHER_CLOSE_ALL_APPS_BACK,
             CUJ_LAUNCHER_SEARCH_QSB_WEB_SEARCH,
@@ -304,7 +303,6 @@
         CUJ_TO_STATSD_INTERACTION_TYPE[CUJ_PREDICTIVE_BACK_CROSS_ACTIVITY] = FrameworkStatsLog.UIINTERACTION_FRAME_INFO_REPORTED__INTERACTION_TYPE__PREDICTIVE_BACK_CROSS_ACTIVITY;
         CUJ_TO_STATSD_INTERACTION_TYPE[CUJ_PREDICTIVE_BACK_CROSS_TASK] = FrameworkStatsLog.UIINTERACTION_FRAME_INFO_REPORTED__INTERACTION_TYPE__PREDICTIVE_BACK_CROSS_TASK;
         CUJ_TO_STATSD_INTERACTION_TYPE[CUJ_PREDICTIVE_BACK_HOME] = FrameworkStatsLog.UIINTERACTION_FRAME_INFO_REPORTED__INTERACTION_TYPE__PREDICTIVE_BACK_HOME;
-        CUJ_TO_STATSD_INTERACTION_TYPE[CUJ_LAUNCHER_SEARCH_QSB_OPEN] = FrameworkStatsLog.UIINTERACTION_FRAME_INFO_REPORTED__INTERACTION_TYPE__LAUNCHER_SEARCH_QSB_OPEN;
         CUJ_TO_STATSD_INTERACTION_TYPE[CUJ_BACK_PANEL_ARROW] = FrameworkStatsLog.UIINTERACTION_FRAME_INFO_REPORTED__INTERACTION_TYPE__BACK_PANEL_ARROW;
         CUJ_TO_STATSD_INTERACTION_TYPE[CUJ_LAUNCHER_CLOSE_ALL_APPS_BACK] = FrameworkStatsLog.UIINTERACTION_FRAME_INFO_REPORTED__INTERACTION_TYPE__LAUNCHER_CLOSE_ALL_APPS_BACK;
         CUJ_TO_STATSD_INTERACTION_TYPE[CUJ_LAUNCHER_SEARCH_QSB_WEB_SEARCH] = FrameworkStatsLog.UIINTERACTION_FRAME_INFO_REPORTED__INTERACTION_TYPE__LAUNCHER_SEARCH_QSB_WEB_SEARCH;
@@ -480,8 +478,6 @@
                 return "PREDICTIVE_BACK_CROSS_TASK";
             case CUJ_PREDICTIVE_BACK_HOME:
                 return "PREDICTIVE_BACK_HOME";
-            case CUJ_LAUNCHER_SEARCH_QSB_OPEN:
-                return "LAUNCHER_SEARCH_QSB_OPEN";
             case CUJ_BACK_PANEL_ARROW:
                 return "BACK_PANEL_ARROW";
             case CUJ_LAUNCHER_CLOSE_ALL_APPS_BACK:
diff --git a/core/java/com/android/internal/statusbar/IStatusBar.aidl b/core/java/com/android/internal/statusbar/IStatusBar.aidl
index ed43b81..d463b62 100644
--- a/core/java/com/android/internal/statusbar/IStatusBar.aidl
+++ b/core/java/com/android/internal/statusbar/IStatusBar.aidl
@@ -376,4 +376,10 @@
      * @param packageName of the session for which the output switcher is shown.
      */
     void showMediaOutputSwitcher(String packageName);
+
+    /** Enters desktop mode.
+    *
+    * @param displayId the id of the current display.
+    */
+    void enterDesktop(int displayId);
 }
diff --git a/core/java/com/android/internal/view/IInputMethodManager.aidl b/core/java/com/android/internal/view/IInputMethodManager.aidl
index e95127b..b90f8bf 100644
--- a/core/java/com/android/internal/view/IInputMethodManager.aidl
+++ b/core/java/com/android/internal/view/IInputMethodManager.aidl
@@ -69,6 +69,8 @@
     boolean hideSoftInput(in IInputMethodClient client, @nullable IBinder windowToken,
             in @nullable ImeTracker.Token statsToken, int flags,
             in @nullable ResultReceiver resultReceiver, int reason);
+
+    // TODO(b/293640003): Remove method once Flags.useZeroJankProxy() is enabled.
     // If windowToken is null, this just does startInput().  Otherwise this reports that a window
     // has gained focus, and if 'editorInfo' is non-null then also does startInput.
     // @NonNull
@@ -85,6 +87,21 @@
             int unverifiedTargetSdkVersion, int userId,
             in ImeOnBackInvokedDispatcher imeDispatcher);
 
+    // If windowToken is null, this just does startInput().  Otherwise this reports that a window
+    // has gained focus, and if 'editorInfo' is non-null then also does startInput.
+    @JavaPassthrough(annotation="@android.annotation.RequiresPermission(value = "
+            + "android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, conditional = true)")
+    void startInputOrWindowGainedFocusAsync(
+            /* @StartInputReason */ int startInputReason,
+            in IInputMethodClient client, in @nullable IBinder windowToken,
+            /* @StartInputFlags */ int startInputFlags,
+            /* @android.view.WindowManager.LayoutParams.SoftInputModeFlags */ int softInputMode,
+            /* @android.view.WindowManager.LayoutParams.Flags */ int windowFlags,
+            in @nullable EditorInfo editorInfo, in @nullable IRemoteInputConnection inputConnection,
+            in @nullable IRemoteAccessibilityInputConnection remoteAccessibilityInputConnection,
+            int unverifiedTargetSdkVersion, int userId,
+            in ImeOnBackInvokedDispatcher imeDispatcher, int startInputSeq);
+
     void showInputMethodPickerFromClient(in IInputMethodClient client,
             int auxiliarySubtypeMode);
 
@@ -156,6 +173,7 @@
                 in String delegatePackageName,
                 in String delegatorPackageName);
 
+    // TODO(b/293640003): introduce a new API method to provide async way to return boolean.
     /** Accepts and starts a stylus handwriting session for the delegate view **/
     boolean acceptStylusHandwritingDelegation(in IInputMethodClient client, in int userId,
             in String delegatePackageName, in String delegatorPackageName, int flags);
diff --git a/core/res/res/values/config.xml b/core/res/res/values/config.xml
index c6bc589..1f06b0b 100644
--- a/core/res/res/values/config.xml
+++ b/core/res/res/values/config.xml
@@ -4670,6 +4670,13 @@
    -->
     <string name="config_defaultWearableSensingService" translatable="false"></string>
 
+
+    <!-- The component name for the default system on-device intelligence service, -->
+    <string name="config_defaultOnDeviceIntelligenceService" translatable="false"></string>
+
+    <!-- The component name for the default system on-device trusted inference service. -->
+    <string name="config_defaultOnDeviceTrustedInferenceService" translatable="false"></string>
+
     <!-- Component name that accepts ACTION_SEND intents for requesting ambient context consent for
          wearable sensing. -->
     <string translatable="false" name="config_defaultWearableSensingConsentComponent"></string>
diff --git a/core/res/res/values/symbols.xml b/core/res/res/values/symbols.xml
index 9d7acff..cf9c02a 100644
--- a/core/res/res/values/symbols.xml
+++ b/core/res/res/values/symbols.xml
@@ -3909,6 +3909,8 @@
   <java-symbol type="string" name="config_ambientContextPackageNameExtraKey" />
   <java-symbol type="string" name="config_ambientContextEventArrayExtraKey" />
   <java-symbol type="string" name="config_defaultWearableSensingService" />
+  <java-symbol type="string" name="config_defaultOnDeviceIntelligenceService" />
+  <java-symbol type="string" name="config_defaultOnDeviceTrustedInferenceService" />
   <java-symbol type="string" name="config_retailDemoPackage" />
   <java-symbol type="string" name="config_retailDemoPackageSignature" />
 
diff --git a/core/tests/coretests/src/android/app/activity/ActivityThreadTest.java b/core/tests/coretests/src/android/app/activity/ActivityThreadTest.java
index 48ef7e6..ebf4cca 100644
--- a/core/tests/coretests/src/android/app/activity/ActivityThreadTest.java
+++ b/core/tests/coretests/src/android/app/activity/ActivityThreadTest.java
@@ -43,7 +43,6 @@
 import android.app.PictureInPictureUiState;
 import android.app.ResourcesManager;
 import android.app.servertransaction.ActivityConfigurationChangeItem;
-import android.app.servertransaction.ActivityLifecycleItem;
 import android.app.servertransaction.ActivityRelaunchItem;
 import android.app.servertransaction.ClientTransaction;
 import android.app.servertransaction.ClientTransactionItem;
@@ -75,7 +74,6 @@
 import androidx.test.runner.AndroidJUnit4;
 
 import com.android.internal.content.ReferrerIntent;
-import com.android.window.flags.Flags;
 
 import org.junit.After;
 import org.junit.Before;
@@ -230,7 +228,7 @@
         try {
             // Send process level config change.
             ClientTransaction transaction = newTransaction(activityThread);
-            addClientTransactionItem(transaction, ConfigurationChangeItem.obtain(
+            transaction.addTransactionItem(ConfigurationChangeItem.obtain(
                     newConfig, DEVICE_ID_INVALID));
             appThread.scheduleTransaction(transaction);
             InstrumentationRegistry.getInstrumentation().waitForIdleSync();
@@ -247,7 +245,7 @@
             newConfig.seq++;
             newConfig.smallestScreenWidthDp++;
             transaction = newTransaction(activityThread);
-            addClientTransactionItem(transaction, ActivityConfigurationChangeItem.obtain(
+            transaction.addTransactionItem(ActivityConfigurationChangeItem.obtain(
                     activity.getActivityToken(), newConfig));
             appThread.scheduleTransaction(transaction);
             InstrumentationRegistry.getInstrumentation().waitForIdleSync();
@@ -448,16 +446,16 @@
         activity.mTestLatch = new CountDownLatch(1);
 
         ClientTransaction transaction = newTransaction(activityThread);
-        addClientTransactionItem(transaction, ConfigurationChangeItem.obtain(
+        transaction.addTransactionItem(ConfigurationChangeItem.obtain(
                 processConfigLandscape, DEVICE_ID_INVALID));
         appThread.scheduleTransaction(transaction);
 
         transaction = newTransaction(activityThread);
-        addClientTransactionItem(transaction, ActivityConfigurationChangeItem.obtain(
+        transaction.addTransactionItem(ActivityConfigurationChangeItem.obtain(
                 activity.getActivityToken(), activityConfigLandscape));
-        addClientTransactionItem(transaction, ConfigurationChangeItem.obtain(
+        transaction.addTransactionItem(ConfigurationChangeItem.obtain(
                 processConfigPortrait, DEVICE_ID_INVALID));
-        addClientTransactionItem(transaction, ActivityConfigurationChangeItem.obtain(
+        transaction.addTransactionItem(ActivityConfigurationChangeItem.obtain(
                 activity.getActivityToken(), activityConfigPortrait));
         appThread.scheduleTransaction(transaction);
 
@@ -847,8 +845,8 @@
                         false /* shouldSendCompatFakeFocus*/);
 
         final ClientTransaction transaction = newTransaction(activity);
-        addClientTransactionItem(transaction, callbackItem);
-        addClientTransactionItem(transaction, resumeStateRequest);
+        transaction.addTransactionItem(callbackItem);
+        transaction.addTransactionItem(resumeStateRequest);
 
         return transaction;
     }
@@ -860,7 +858,7 @@
                         false /* shouldSendCompatFakeFocus */);
 
         final ClientTransaction transaction = newTransaction(activity);
-        addClientTransactionItem(transaction, resumeStateRequest);
+        transaction.addTransactionItem(resumeStateRequest);
 
         return transaction;
     }
@@ -871,7 +869,7 @@
                 activity.getActivityToken(), 0 /* configChanges */);
 
         final ClientTransaction transaction = newTransaction(activity);
-        addClientTransactionItem(transaction, stopStateRequest);
+        transaction.addTransactionItem(stopStateRequest);
 
         return transaction;
     }
@@ -883,7 +881,7 @@
                 activity.getActivityToken(), config);
 
         final ClientTransaction transaction = newTransaction(activity);
-        addClientTransactionItem(transaction, item);
+        transaction.addTransactionItem(item);
 
         return transaction;
     }
@@ -895,7 +893,7 @@
                 resume);
 
         final ClientTransaction transaction = newTransaction(activity);
-        addClientTransactionItem(transaction, item);
+        transaction.addTransactionItem(item);
 
         return transaction;
     }
@@ -910,17 +908,6 @@
         return ClientTransaction.obtain(activityThread.getApplicationThread());
     }
 
-    private static void addClientTransactionItem(@NonNull ClientTransaction transaction,
-            @NonNull ClientTransactionItem item) {
-        if (Flags.bundleClientTransactionFlag()) {
-            transaction.addTransactionItem(item);
-        } else if (item.isActivityLifecycleItem()) {
-            transaction.setLifecycleStateRequest((ActivityLifecycleItem) item);
-        } else {
-            transaction.addCallback(item);
-        }
-    }
-
     // Test activity
     public static class TestActivity extends Activity {
         static final String PIP_REQUESTED_OVERRIDE_ENTER = "pip_requested_override_enter";
diff --git a/core/tests/coretests/src/android/app/servertransaction/ClientTransactionListenerControllerTest.java b/core/tests/coretests/src/android/app/servertransaction/ClientTransactionListenerControllerTest.java
index 95d5049..213fd7b 100644
--- a/core/tests/coretests/src/android/app/servertransaction/ClientTransactionListenerControllerTest.java
+++ b/core/tests/coretests/src/android/app/servertransaction/ClientTransactionListenerControllerTest.java
@@ -16,10 +16,13 @@
 
 package android.app.servertransaction;
 
+import static android.platform.test.flag.junit.SetFlagsRule.DefaultInitValueType.DEVICE_DEFAULT;
+
 import static androidx.test.platform.app.InstrumentationRegistry.getInstrumentation;
 
+import static com.android.window.flags.Flags.FLAG_BUNDLE_CLIENT_TRANSACTION_FLAG;
+
 import static org.mockito.Mockito.doReturn;
-import static org.mockito.Mockito.spy;
 import static org.mockito.Mockito.verify;
 
 import android.hardware.display.DisplayManager;
@@ -28,12 +31,14 @@
 import android.os.Handler;
 import android.os.RemoteException;
 import android.platform.test.annotations.Presubmit;
+import android.platform.test.flag.junit.SetFlagsRule;
 import android.view.DisplayInfo;
 
 import androidx.test.filters.SmallTest;
 import androidx.test.runner.AndroidJUnit4;
 
 import org.junit.Before;
+import org.junit.Rule;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.mockito.Mock;
@@ -49,6 +54,10 @@
 @SmallTest
 @Presubmit
 public class ClientTransactionListenerControllerTest {
+
+    @Rule
+    public final SetFlagsRule mSetFlagsRule = new SetFlagsRule(DEVICE_DEFAULT);
+
     @Mock
     private IDisplayManager mIDisplayManager;
     @Mock
@@ -60,12 +69,12 @@
 
     @Before
     public void setup() {
+        mSetFlagsRule.enableFlags(FLAG_BUNDLE_CLIENT_TRANSACTION_FLAG);
+
         MockitoAnnotations.initMocks(this);
         mDisplayManager = new DisplayManagerGlobal(mIDisplayManager);
         mHandler = getInstrumentation().getContext().getMainThreadHandler();
-        mController = spy(ClientTransactionListenerController.createInstanceForTesting(
-                mDisplayManager));
-        doReturn(true).when(mController).isBundleClientTransactionFlagEnabled();
+        mController = ClientTransactionListenerController.createInstanceForTesting(mDisplayManager);
     }
 
     @Test
diff --git a/core/tests/coretests/src/android/app/servertransaction/ClientTransactionTests.java b/core/tests/coretests/src/android/app/servertransaction/ClientTransactionTests.java
index d10cf16..5272416 100644
--- a/core/tests/coretests/src/android/app/servertransaction/ClientTransactionTests.java
+++ b/core/tests/coretests/src/android/app/servertransaction/ClientTransactionTests.java
@@ -16,16 +16,22 @@
 
 package android.app.servertransaction;
 
+import static android.platform.test.flag.junit.SetFlagsRule.DefaultInitValueType.DEVICE_DEFAULT;
+
+import static com.android.window.flags.Flags.FLAG_BUNDLE_CLIENT_TRANSACTION_FLAG;
+
+import static org.mockito.Mockito.doReturn;
 import static org.mockito.Mockito.mock;
-import static org.mockito.Mockito.times;
 import static org.mockito.Mockito.verify;
 
 import android.app.ClientTransactionHandler;
 import android.platform.test.annotations.Presubmit;
+import android.platform.test.flag.junit.SetFlagsRule;
 
 import androidx.test.filters.SmallTest;
 import androidx.test.runner.AndroidJUnit4;
 
+import org.junit.Rule;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 
@@ -43,31 +49,28 @@
 @Presubmit
 public class ClientTransactionTests {
 
+    @Rule
+    public final SetFlagsRule mSetFlagsRule = new SetFlagsRule(DEVICE_DEFAULT);
+
     @Test
     public void testPreExecute() {
-        final ClientTransactionItem callback1 = mock(ClientTransactionItem.class);
-        final ClientTransactionItem callback2 = mock(ClientTransactionItem.class);
-        final ActivityLifecycleItem stateRequest = mock(ActivityLifecycleItem.class);
-        final ClientTransactionHandler clientTransactionHandler =
-                mock(ClientTransactionHandler.class);
+        mSetFlagsRule.disableFlags(FLAG_BUNDLE_CLIENT_TRANSACTION_FLAG);
 
-        final ClientTransaction transaction = ClientTransaction.obtain(null /* client */);
-        transaction.addCallback(callback1);
-        transaction.addCallback(callback2);
-        transaction.setLifecycleStateRequest(stateRequest);
-
-        transaction.preExecute(clientTransactionHandler);
-
-        verify(callback1, times(1)).preExecute(clientTransactionHandler);
-        verify(callback2, times(1)).preExecute(clientTransactionHandler);
-        verify(stateRequest, times(1)).preExecute(clientTransactionHandler);
+        testPreExecuteInner();
     }
 
     @Test
-    public void testPreExecuteTransactionItems() {
+    public void testPreExecute_bundleClientTransaction() {
+        mSetFlagsRule.enableFlags(FLAG_BUNDLE_CLIENT_TRANSACTION_FLAG);
+
+        testPreExecuteInner();
+    }
+
+    private void testPreExecuteInner() {
         final ClientTransactionItem callback1 = mock(ClientTransactionItem.class);
         final ClientTransactionItem callback2 = mock(ClientTransactionItem.class);
         final ActivityLifecycleItem stateRequest = mock(ActivityLifecycleItem.class);
+        doReturn(true).when(stateRequest).isActivityLifecycleItem();
         final ClientTransactionHandler clientTransactionHandler =
                 mock(ClientTransactionHandler.class);
 
@@ -78,8 +81,8 @@
 
         transaction.preExecute(clientTransactionHandler);
 
-        verify(callback1, times(1)).preExecute(clientTransactionHandler);
-        verify(callback2, times(1)).preExecute(clientTransactionHandler);
-        verify(stateRequest, times(1)).preExecute(clientTransactionHandler);
+        verify(callback1).preExecute(clientTransactionHandler);
+        verify(callback2).preExecute(clientTransactionHandler);
+        verify(stateRequest).preExecute(clientTransactionHandler);
     }
 }
diff --git a/core/tests/coretests/src/android/app/servertransaction/TransactionExecutorTests.java b/core/tests/coretests/src/android/app/servertransaction/TransactionExecutorTests.java
index 2315a58..adb6f2a 100644
--- a/core/tests/coretests/src/android/app/servertransaction/TransactionExecutorTests.java
+++ b/core/tests/coretests/src/android/app/servertransaction/TransactionExecutorTests.java
@@ -25,6 +25,9 @@
 import static android.app.servertransaction.ActivityLifecycleItem.ON_STOP;
 import static android.app.servertransaction.ActivityLifecycleItem.PRE_ON_CREATE;
 import static android.app.servertransaction.ActivityLifecycleItem.UNDEFINED;
+import static android.platform.test.flag.junit.SetFlagsRule.DefaultInitValueType.DEVICE_DEFAULT;
+
+import static com.android.window.flags.Flags.FLAG_BUNDLE_CLIENT_TRANSACTION_FLAG;
 
 import static org.junit.Assert.assertArrayEquals;
 import static org.junit.Assert.assertEquals;
@@ -51,12 +54,14 @@
 import android.os.Parcel;
 import android.os.Parcelable;
 import android.platform.test.annotations.Presubmit;
+import android.platform.test.flag.junit.SetFlagsRule;
 import android.util.ArrayMap;
 
 import androidx.test.filters.SmallTest;
 import androidx.test.runner.AndroidJUnit4;
 
 import org.junit.Before;
+import org.junit.Rule;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.mockito.InOrder;
@@ -83,6 +88,9 @@
 @Presubmit
 public class TransactionExecutorTests {
 
+    @Rule
+    public final SetFlagsRule mSetFlagsRule = new SetFlagsRule(DEVICE_DEFAULT);
+
     @Mock
     private ClientTransactionHandler mTransactionHandler;
     @Mock
@@ -240,29 +248,19 @@
 
     @Test
     public void testTransactionResolution() {
-        ClientTransactionItem callback1 = mock(ClientTransactionItem.class);
-        when(callback1.getPostExecutionState()).thenReturn(UNDEFINED);
-        ClientTransactionItem callback2 = mock(ClientTransactionItem.class);
-        when(callback2.getPostExecutionState()).thenReturn(UNDEFINED);
+        mSetFlagsRule.disableFlags(FLAG_BUNDLE_CLIENT_TRANSACTION_FLAG);
 
-        ClientTransaction transaction = ClientTransaction.obtain(null /* client */);
-        transaction.addCallback(callback1);
-        transaction.addCallback(callback2);
-        transaction.setLifecycleStateRequest(mActivityLifecycleItem);
-
-        transaction.preExecute(mTransactionHandler);
-        mExecutor.execute(transaction);
-
-        InOrder inOrder = inOrder(mTransactionHandler, callback1, callback2,
-                mActivityLifecycleItem);
-        inOrder.verify(callback1).execute(eq(mTransactionHandler), any());
-        inOrder.verify(callback2).execute(eq(mTransactionHandler), any());
-        inOrder.verify(mActivityLifecycleItem).execute(eq(mTransactionHandler), eq(mClientRecord),
-                any());
+        testTransactionResolutionInner();
     }
 
     @Test
-    public void testExecuteTransactionItems_transactionResolution() {
+    public void testTransactionResolution_bundleClientTransaction() {
+        mSetFlagsRule.enableFlags(FLAG_BUNDLE_CLIENT_TRANSACTION_FLAG);
+
+        testTransactionResolutionInner();
+    }
+
+    private void testTransactionResolutionInner() {
         ClientTransactionItem callback1 = mock(ClientTransactionItem.class);
         when(callback1.getPostExecutionState()).thenReturn(UNDEFINED);
         ClientTransactionItem callback2 = mock(ClientTransactionItem.class);
@@ -286,38 +284,19 @@
 
     @Test
     public void testDoNotLaunchDestroyedActivity() {
-        final Map<IBinder, DestroyActivityItem> activitiesToBeDestroyed = new ArrayMap<>();
-        when(mTransactionHandler.getActivitiesToBeDestroyed()).thenReturn(activitiesToBeDestroyed);
-        // Assume launch transaction is still in queue, so there is no client record.
-        when(mTransactionHandler.getActivityClient(any())).thenReturn(null);
+        mSetFlagsRule.disableFlags(FLAG_BUNDLE_CLIENT_TRANSACTION_FLAG);
 
-        // An incoming destroy transaction enters binder thread (preExecute).
-        final IBinder token = mock(IBinder.class);
-        final ClientTransaction destroyTransaction = ClientTransaction.obtain(null /* client */);
-        destroyTransaction.setLifecycleStateRequest(
-                DestroyActivityItem.obtain(token, false /* finished */, 0 /* configChanges */));
-        destroyTransaction.preExecute(mTransactionHandler);
-        // The activity should be added to to-be-destroyed container.
-        assertEquals(1, activitiesToBeDestroyed.size());
-
-        // A previous queued launch transaction runs on main thread (execute).
-        final ClientTransaction launchTransaction = ClientTransaction.obtain(null /* client */);
-        final LaunchActivityItem launchItem =
-                spy(new LaunchActivityItemBuilder(token, new Intent(), new ActivityInfo()).build());
-        launchTransaction.addCallback(launchItem);
-        mExecutor.execute(launchTransaction);
-
-        // The launch transaction should not be executed because its token is in the
-        // to-be-destroyed container.
-        verify(launchItem, never()).execute(any(), any());
-
-        // After the destroy transaction has been executed, the token should be removed.
-        mExecutor.execute(destroyTransaction);
-        assertTrue(activitiesToBeDestroyed.isEmpty());
+        testDoNotLaunchDestroyedActivityInner();
     }
 
     @Test
-    public void testExecuteTransactionItems_doNotLaunchDestroyedActivity() {
+    public void testDoNotLaunchDestroyedActivity_bundleClientTransaction() {
+        mSetFlagsRule.enableFlags(FLAG_BUNDLE_CLIENT_TRANSACTION_FLAG);
+
+        testDoNotLaunchDestroyedActivityInner();
+    }
+
+    private void testDoNotLaunchDestroyedActivityInner() {
         final Map<IBinder, DestroyActivityItem> activitiesToBeDestroyed = new ArrayMap<>();
         when(mTransactionHandler.getActivitiesToBeDestroyed()).thenReturn(activitiesToBeDestroyed);
         // Assume launch transaction is still in queue, so there is no client record.
@@ -350,26 +329,19 @@
 
     @Test
     public void testActivityResultRequiredStateResolution() {
-        when(mTransactionHandler.getActivity(any())).thenReturn(mock(Activity.class));
+        mSetFlagsRule.disableFlags(FLAG_BUNDLE_CLIENT_TRANSACTION_FLAG);
 
-        PostExecItem postExecItem = new PostExecItem(ON_RESUME);
-
-        ClientTransaction transaction = ClientTransaction.obtain(null /* client */);
-        transaction.addCallback(postExecItem);
-
-        // Verify resolution that should get to onPause
-        mClientRecord.setState(ON_RESUME);
-        mExecutor.executeCallbacks(transaction);
-        verify(mExecutor).cycleToPath(eq(mClientRecord), eq(ON_PAUSE), eq(transaction));
-
-        // Verify resolution that should get to onStart
-        mClientRecord.setState(ON_STOP);
-        mExecutor.executeCallbacks(transaction);
-        verify(mExecutor).cycleToPath(eq(mClientRecord), eq(ON_START), eq(transaction));
+        testActivityResultRequiredStateResolutionInner();
     }
 
     @Test
-    public void testExecuteTransactionItems_activityResultRequiredStateResolution() {
+    public void testActivityResultRequiredStateResolution_bundleClientTransaction() {
+        mSetFlagsRule.enableFlags(FLAG_BUNDLE_CLIENT_TRANSACTION_FLAG);
+
+        testActivityResultRequiredStateResolutionInner();
+    }
+
+    private void testActivityResultRequiredStateResolutionInner() {
         when(mTransactionHandler.getActivity(any())).thenReturn(mock(Activity.class));
 
         PostExecItem postExecItem = new PostExecItem(ON_RESUME);
@@ -379,12 +351,12 @@
 
         // Verify resolution that should get to onPause
         mClientRecord.setState(ON_RESUME);
-        mExecutor.executeTransactionItems(transaction);
+        mExecutor.execute(transaction);
         verify(mExecutor).cycleToPath(eq(mClientRecord), eq(ON_PAUSE), eq(transaction));
 
         // Verify resolution that should get to onStart
         mClientRecord.setState(ON_STOP);
-        mExecutor.executeTransactionItems(transaction);
+        mExecutor.execute(transaction);
         verify(mExecutor).cycleToPath(eq(mClientRecord), eq(ON_START), eq(transaction));
     }
 
@@ -523,18 +495,19 @@
 
     @Test(expected = IllegalArgumentException.class)
     public void testActivityItemNullRecordThrowsException() {
-        final ActivityTransactionItem activityItem = mock(ActivityTransactionItem.class);
-        when(activityItem.getPostExecutionState()).thenReturn(UNDEFINED);
-        final IBinder token = mock(IBinder.class);
-        final ClientTransaction transaction = ClientTransaction.obtain(null /* client */);
-        transaction.addCallback(activityItem);
-        when(mTransactionHandler.getActivityClient(token)).thenReturn(null);
+        mSetFlagsRule.disableFlags(FLAG_BUNDLE_CLIENT_TRANSACTION_FLAG);
 
-        mExecutor.executeCallbacks(transaction);
+        testActivityItemNullRecordThrowsExceptionInner();
     }
 
     @Test(expected = IllegalArgumentException.class)
-    public void testExecuteTransactionItems_activityItemNullRecordThrowsException() {
+    public void testActivityItemNullRecordThrowsException_bundleClientTransaction() {
+        mSetFlagsRule.enableFlags(FLAG_BUNDLE_CLIENT_TRANSACTION_FLAG);
+
+        testActivityItemNullRecordThrowsExceptionInner();
+    }
+
+    private void testActivityItemNullRecordThrowsExceptionInner() {
         final ActivityTransactionItem activityItem = mock(ActivityTransactionItem.class);
         when(activityItem.getPostExecutionState()).thenReturn(UNDEFINED);
         final IBinder token = mock(IBinder.class);
@@ -542,28 +515,24 @@
         transaction.addTransactionItem(activityItem);
         when(mTransactionHandler.getActivityClient(token)).thenReturn(null);
 
-        mExecutor.executeTransactionItems(transaction);
+        mExecutor.execute(transaction);
     }
 
     @Test
     public void testActivityItemExecute() {
-        final ClientTransaction transaction = ClientTransaction.obtain(null /* client */);
-        final ActivityTransactionItem activityItem = mock(ActivityTransactionItem.class);
-        when(activityItem.getPostExecutionState()).thenReturn(UNDEFINED);
-        when(activityItem.getActivityToken()).thenReturn(mActivityToken);
-        transaction.addCallback(activityItem);
-        transaction.setLifecycleStateRequest(mActivityLifecycleItem);
+        mSetFlagsRule.disableFlags(FLAG_BUNDLE_CLIENT_TRANSACTION_FLAG);
 
-        mExecutor.execute(transaction);
-
-        final InOrder inOrder = inOrder(activityItem, mActivityLifecycleItem);
-        inOrder.verify(activityItem).execute(eq(mTransactionHandler), eq(mClientRecord), any());
-        inOrder.verify(mActivityLifecycleItem).execute(eq(mTransactionHandler), eq(mClientRecord),
-                any());
+        testActivityItemExecuteInner();
     }
 
     @Test
-    public void testExecuteTransactionItems_activityItemExecute() {
+    public void testActivityItemExecute_bundleClientTransaction() {
+        mSetFlagsRule.enableFlags(FLAG_BUNDLE_CLIENT_TRANSACTION_FLAG);
+
+        testActivityItemExecuteInner();
+    }
+
+    private void testActivityItemExecuteInner() {
         final ClientTransaction transaction = ClientTransaction.obtain(null /* client */);
         final ActivityTransactionItem activityItem = mock(ActivityTransactionItem.class);
         when(activityItem.getPostExecutionState()).thenReturn(UNDEFINED);
diff --git a/core/tests/coretests/src/android/app/servertransaction/TransactionParcelTests.java b/core/tests/coretests/src/android/app/servertransaction/TransactionParcelTests.java
index c30d216..aa80013 100644
--- a/core/tests/coretests/src/android/app/servertransaction/TransactionParcelTests.java
+++ b/core/tests/coretests/src/android/app/servertransaction/TransactionParcelTests.java
@@ -20,6 +20,9 @@
 import static android.app.servertransaction.TestUtils.mergedConfig;
 import static android.app.servertransaction.TestUtils.referrerIntentList;
 import static android.app.servertransaction.TestUtils.resultInfoList;
+import static android.platform.test.flag.junit.SetFlagsRule.DefaultInitValueType.DEVICE_DEFAULT;
+
+import static com.android.window.flags.Flags.FLAG_BUNDLE_CLIENT_TRANSACTION_FLAG;
 
 import static org.junit.Assert.assertEquals;
 
@@ -36,11 +39,13 @@
 import android.os.Parcelable;
 import android.os.PersistableBundle;
 import android.platform.test.annotations.Presubmit;
+import android.platform.test.flag.junit.SetFlagsRule;
 
 import androidx.test.filters.SmallTest;
 import androidx.test.runner.AndroidJUnit4;
 
 import org.junit.Before;
+import org.junit.Rule;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 
@@ -60,6 +65,9 @@
 @Presubmit
 public class TransactionParcelTests {
 
+    @Rule
+    public final SetFlagsRule mSetFlagsRule = new SetFlagsRule(DEVICE_DEFAULT);
+
     private Parcel mParcel;
     private IBinder mActivityToken;
 
@@ -275,6 +283,8 @@
 
     @Test
     public void testClientTransaction() {
+        mSetFlagsRule.enableFlags(FLAG_BUNDLE_CLIENT_TRANSACTION_FLAG);
+
         // Write to parcel
         NewIntentItem callback1 = NewIntentItem.obtain(mActivityToken, new ArrayList<>(), true);
         ActivityConfigurationChangeItem callback2 = ActivityConfigurationChangeItem.obtain(
@@ -300,14 +310,16 @@
 
     @Test
     public void testClientTransactionCallbacksOnly() {
+        mSetFlagsRule.disableFlags(FLAG_BUNDLE_CLIENT_TRANSACTION_FLAG);
+
         // Write to parcel
         NewIntentItem callback1 = NewIntentItem.obtain(mActivityToken, new ArrayList<>(), true);
         ActivityConfigurationChangeItem callback2 = ActivityConfigurationChangeItem.obtain(
                 mActivityToken, config());
 
         ClientTransaction transaction = ClientTransaction.obtain(null /* client */);
-        transaction.addCallback(callback1);
-        transaction.addCallback(callback2);
+        transaction.addTransactionItem(callback1);
+        transaction.addTransactionItem(callback2);
 
         writeAndPrepareForReading(transaction);
 
@@ -321,12 +333,14 @@
 
     @Test
     public void testClientTransactionLifecycleOnly() {
+        mSetFlagsRule.disableFlags(FLAG_BUNDLE_CLIENT_TRANSACTION_FLAG);
+
         // Write to parcel
         StopActivityItem lifecycleRequest = StopActivityItem.obtain(mActivityToken,
                 78 /* configChanges */);
 
         ClientTransaction transaction = ClientTransaction.obtain(null /* client */);
-        transaction.setLifecycleStateRequest(lifecycleRequest);
+        transaction.addTransactionItem(lifecycleRequest);
 
         writeAndPrepareForReading(transaction);
 
diff --git a/libs/WindowManager/Shell/Android.bp b/libs/WindowManager/Shell/Android.bp
index 310300d..d66c925 100644
--- a/libs/WindowManager/Shell/Android.bp
+++ b/libs/WindowManager/Shell/Android.bp
@@ -206,6 +206,8 @@
     srcs: [
         "multivalentTests/src/**/*.kt",
     ],
+    // TODO(b/323188766): Include BubbleStackViewTest once the robolectric issue is fixed.
+    exclude_srcs: ["multivalentTests/src/com/android/wm/shell/bubbles/BubbleStackViewTest.kt"],
     static_libs: [
         "junit",
         "androidx.test.runner",
diff --git a/libs/WindowManager/Shell/multivalentTests/src/com/android/wm/shell/bubbles/BubbleStackViewTest.kt b/libs/WindowManager/Shell/multivalentTests/src/com/android/wm/shell/bubbles/BubbleStackViewTest.kt
new file mode 100644
index 0000000..8989fc5
--- /dev/null
+++ b/libs/WindowManager/Shell/multivalentTests/src/com/android/wm/shell/bubbles/BubbleStackViewTest.kt
@@ -0,0 +1,215 @@
+/*
+ * 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.bubbles
+
+import android.content.Context
+import android.content.Intent
+import android.graphics.Color
+import android.graphics.drawable.Icon
+import android.os.UserHandle
+import android.view.IWindowManager
+import android.view.WindowManager
+import android.view.WindowManagerGlobal
+import androidx.test.annotation.UiThreadTest
+import androidx.test.core.app.ApplicationProvider
+import androidx.test.ext.junit.runners.AndroidJUnit4
+import androidx.test.filters.SmallTest
+import com.android.internal.logging.testing.UiEventLoggerFake
+import com.android.internal.protolog.common.ProtoLog
+import com.android.launcher3.icons.BubbleIconFactory
+import com.android.wm.shell.R
+import com.android.wm.shell.bubbles.Bubbles.SysuiProxy
+import com.android.wm.shell.common.FloatingContentCoordinator
+import com.android.wm.shell.common.ShellExecutor
+import com.android.wm.shell.taskview.TaskView
+import com.android.wm.shell.taskview.TaskViewTaskController
+import com.google.common.truth.Truth.assertThat
+import com.google.common.util.concurrent.MoreExecutors.directExecutor
+import java.util.concurrent.Semaphore
+import java.util.concurrent.TimeUnit
+import java.util.function.Consumer
+import org.junit.Before
+import org.junit.Test
+import org.junit.runner.RunWith
+import org.mockito.kotlin.mock
+
+/** Unit tests for [BubbleStackView]. */
+@SmallTest
+@RunWith(AndroidJUnit4::class)
+class BubbleStackViewTest {
+
+    private val context = ApplicationProvider.getApplicationContext<Context>()
+    private lateinit var positioner: BubblePositioner
+    private lateinit var iconFactory: BubbleIconFactory
+    private lateinit var expandedViewManager: FakeBubbleExpandedViewManager
+    private lateinit var bubbleStackView: BubbleStackView
+    private lateinit var shellExecutor: ShellExecutor
+    private lateinit var windowManager: IWindowManager
+    private lateinit var bubbleTaskViewFactory: BubbleTaskViewFactory
+    private lateinit var bubbleData: BubbleData
+
+    @Before
+    fun setUp() {
+        // Disable protolog tool when running the tests from studio
+        ProtoLog.REQUIRE_PROTOLOGTOOL = false
+        windowManager = WindowManagerGlobal.getWindowManagerService()!!
+        shellExecutor = TestShellExecutor()
+        val windowManager = context.getSystemService(WindowManager::class.java)
+        iconFactory =
+            BubbleIconFactory(
+                context,
+                context.resources.getDimensionPixelSize(R.dimen.bubble_size),
+                context.resources.getDimensionPixelSize(R.dimen.bubble_badge_size),
+                Color.BLACK,
+                context.resources.getDimensionPixelSize(
+                    com.android.internal.R.dimen.importance_ring_stroke_width
+                )
+            )
+        positioner = BubblePositioner(context, windowManager)
+        val bubbleStackViewManager = FakeBubbleStackViewManager()
+        bubbleData =
+            BubbleData(
+                context,
+                BubbleLogger(UiEventLoggerFake()),
+                positioner,
+                BubbleEducationController(context),
+                shellExecutor
+            )
+
+        val sysuiProxy = mock<SysuiProxy>()
+        expandedViewManager = FakeBubbleExpandedViewManager()
+        bubbleTaskViewFactory = FakeBubbleTaskViewFactory()
+        bubbleStackView =
+            BubbleStackView(
+                context,
+                bubbleStackViewManager,
+                positioner,
+                bubbleData,
+                null,
+                FloatingContentCoordinator(),
+                { sysuiProxy },
+                shellExecutor
+            )
+    }
+
+    @UiThreadTest
+    @Test
+    fun addBubble() {
+        val bubble = createAndInflateBubble()
+        bubbleStackView.addBubble(bubble)
+        assertThat(bubbleStackView.bubbleCount).isEqualTo(1)
+    }
+
+    @UiThreadTest
+    @Test
+    fun tapBubbleToExpand() {
+        val bubble = createAndInflateBubble()
+        bubbleStackView.addBubble(bubble)
+        assertThat(bubbleStackView.bubbleCount).isEqualTo(1)
+
+        bubble.iconView!!.performClick()
+        // we're checking the expanded state in BubbleData because that's the source of truth. This
+        // will eventually propagate an update back to the stack view, but setting the entire
+        // pipeline is outside the scope of a unit test.
+        assertThat(bubbleData.isExpanded).isTrue()
+    }
+
+    private fun createAndInflateBubble(): Bubble {
+        val intent = Intent(Intent.ACTION_VIEW).setPackage(context.packageName)
+        val icon = Icon.createWithResource(context.resources, R.drawable.bubble_ic_overflow_button)
+        val bubble = Bubble.createAppBubble(intent, UserHandle(1), icon, directExecutor())
+        bubble.setInflateSynchronously(true)
+        bubbleData.notificationEntryUpdated(bubble, true, false)
+
+        val semaphore = Semaphore(0)
+        val callback: BubbleViewInfoTask.Callback =
+            BubbleViewInfoTask.Callback { semaphore.release() }
+        bubble.inflate(
+            callback,
+            context,
+            expandedViewManager,
+            bubbleTaskViewFactory,
+            positioner,
+            bubbleStackView,
+            null,
+            iconFactory,
+            false
+        )
+
+        assertThat(semaphore.tryAcquire(5, TimeUnit.SECONDS)).isTrue()
+        assertThat(bubble.isInflated).isTrue()
+        return bubble
+    }
+
+    private class FakeBubbleStackViewManager : BubbleStackViewManager {
+
+        override fun onAllBubblesAnimatedOut() {}
+
+        override fun updateWindowFlagsForBackpress(interceptBack: Boolean) {}
+
+        override fun checkNotificationPanelExpandedState(callback: Consumer<Boolean>) {}
+
+        override fun hideCurrentInputMethod() {}
+    }
+
+    private class TestShellExecutor : ShellExecutor {
+
+        override fun execute(runnable: Runnable) {
+            runnable.run()
+        }
+
+        override fun executeDelayed(r: Runnable, delayMillis: Long) {
+            r.run()
+        }
+
+        override fun removeCallbacks(r: Runnable) {}
+
+        override fun hasCallback(r: Runnable): Boolean = false
+    }
+
+    private inner class FakeBubbleTaskViewFactory : BubbleTaskViewFactory {
+        override fun create(): BubbleTaskView {
+            val taskViewTaskController = mock<TaskViewTaskController>()
+            val taskView = TaskView(context, taskViewTaskController)
+            return BubbleTaskView(taskView, shellExecutor)
+        }
+    }
+
+    private inner class FakeBubbleExpandedViewManager : BubbleExpandedViewManager {
+
+        override val overflowBubbles: List<Bubble>
+            get() = emptyList()
+
+        override fun setOverflowListener(listener: BubbleData.Listener) {}
+
+        override fun collapseStack() {}
+
+        override fun updateWindowFlagsForBackpress(intercept: Boolean) {}
+
+        override fun promoteBubbleFromOverflow(bubble: Bubble) {}
+
+        override fun removeBubble(key: String, reason: Int) {}
+
+        override fun dismissBubble(bubble: Bubble, reason: Int) {}
+
+        override fun setAppBubbleTaskId(key: String, taskId: Int) {}
+
+        override fun isStackExpanded(): Boolean = false
+
+        override fun isShowingAsBubbleBar(): Boolean = false
+    }
+}
diff --git a/libs/WindowManager/Shell/src/com/android/wm/shell/compatui/UserAspectRatioSettingsWindowManager.java b/libs/WindowManager/Shell/src/com/android/wm/shell/compatui/UserAspectRatioSettingsWindowManager.java
index 81d1399..7c28099 100644
--- a/libs/WindowManager/Shell/src/com/android/wm/shell/compatui/UserAspectRatioSettingsWindowManager.java
+++ b/libs/WindowManager/Shell/src/com/android/wm/shell/compatui/UserAspectRatioSettingsWindowManager.java
@@ -20,6 +20,7 @@
 
 import android.annotation.NonNull;
 import android.annotation.Nullable;
+import android.app.AppCompatTaskInfo;
 import android.app.TaskInfo;
 import android.content.Context;
 import android.content.Intent;
@@ -88,7 +89,8 @@
         mShellExecutor = shellExecutor;
         mUserAspectRatioButtonShownChecker = userAspectRatioButtonStateChecker;
         mUserAspectRatioButtonStateConsumer = userAspectRatioButtonShownConsumer;
-        mHasUserAspectRatioSettingsButton = getHasUserAspectRatioSettingsButton(taskInfo);
+        mHasUserAspectRatioSettingsButton = shouldShowUserAspectRatioSettingsButton(
+                taskInfo.appCompatTaskInfo, taskInfo.baseIntent);
         mCompatUIHintsState = compatUIHintsState;
         mOnButtonClicked = onButtonClicked;
         mDisappearTimeSupplier = disappearTimeSupplier;
@@ -134,7 +136,8 @@
     public boolean updateCompatInfo(@NonNull TaskInfo taskInfo,
             @NonNull ShellTaskOrganizer.TaskListener taskListener, boolean canShow) {
         final boolean prevHasUserAspectRatioSettingsButton = mHasUserAspectRatioSettingsButton;
-        mHasUserAspectRatioSettingsButton = getHasUserAspectRatioSettingsButton(taskInfo);
+        mHasUserAspectRatioSettingsButton = shouldShowUserAspectRatioSettingsButton(
+                taskInfo.appCompatTaskInfo, taskInfo.baseIntent);
 
         if (!super.updateCompatInfo(taskInfo, taskListener, canShow)) {
             return false;
@@ -227,12 +230,21 @@
         return SystemClock.uptimeMillis() + hideDelay;
     }
 
-    private boolean getHasUserAspectRatioSettingsButton(@NonNull TaskInfo taskInfo) {
-        final Intent intent = taskInfo.baseIntent;
-        return taskInfo.appCompatTaskInfo.topActivityEligibleForUserAspectRatioButton
-                && (taskInfo.appCompatTaskInfo.topActivityBoundsLetterboxed
-                    || taskInfo.appCompatTaskInfo.isUserFullscreenOverrideEnabled)
-                && !taskInfo.appCompatTaskInfo.isSystemFullscreenOverrideEnabled
+    private boolean shouldShowUserAspectRatioSettingsButton(@NonNull AppCompatTaskInfo taskInfo,
+            @NonNull Intent intent) {
+        final Rect stableBounds = getTaskStableBounds();
+        final int letterboxHeight = taskInfo.topActivityLetterboxHeight;
+        final int letterboxWidth = taskInfo.topActivityLetterboxWidth;
+        // App is not visibly letterboxed if it covers status bar/bottom insets or matches the
+        // stable bounds, so don't show the button
+        if (stableBounds.height() <= letterboxHeight && stableBounds.width() <= letterboxWidth) {
+            return false;
+        }
+
+        return taskInfo.topActivityEligibleForUserAspectRatioButton
+                && (taskInfo.topActivityBoundsLetterboxed
+                    || taskInfo.isUserFullscreenOverrideEnabled)
+                && !taskInfo.isSystemFullscreenOverrideEnabled
                 && Intent.ACTION_MAIN.equals(intent.getAction())
                 && intent.hasCategory(Intent.CATEGORY_LAUNCHER)
                 && (!mUserAspectRatioButtonShownChecker.get() || isShowingButton());
diff --git a/libs/WindowManager/Shell/src/com/android/wm/shell/desktopmode/DesktopMode.java b/libs/WindowManager/Shell/src/com/android/wm/shell/desktopmode/DesktopMode.java
index e732a03..8305fa6 100644
--- a/libs/WindowManager/Shell/src/com/android/wm/shell/desktopmode/DesktopMode.java
+++ b/libs/WindowManager/Shell/src/com/android/wm/shell/desktopmode/DesktopMode.java
@@ -47,4 +47,8 @@
     default void addDesktopGestureExclusionRegionListener(Consumer<Region> listener,
             Executor callbackExecutor) { }
 
+
+    /** Called when requested to go to desktop mode from the current focused app. */
+    void enterDesktop(int displayId);
+
 }
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 11304ec..6de5d74 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
@@ -21,6 +21,7 @@
 import android.app.WindowConfiguration.ACTIVITY_TYPE_STANDARD
 import android.app.WindowConfiguration.WINDOWING_MODE_FREEFORM
 import android.app.WindowConfiguration.WINDOWING_MODE_FULLSCREEN
+import android.app.WindowConfiguration.WINDOWING_MODE_MULTI_WINDOW
 import android.app.WindowConfiguration.WINDOWING_MODE_UNDEFINED
 import android.app.WindowConfiguration.WindowingMode
 import android.content.Context
@@ -240,6 +241,43 @@
         return desktopModeTaskRepository.getVisibleTaskCount(displayId)
     }
 
+    /** Enter desktop by using the focused task in given `displayId` */
+    fun enterDesktop(displayId: Int) {
+        val allFocusedTasks =
+            shellTaskOrganizer.getRunningTasks(displayId).filter { taskInfo ->
+                taskInfo.isFocused &&
+                        (taskInfo.windowingMode == WINDOWING_MODE_FULLSCREEN ||
+                                taskInfo.windowingMode == WINDOWING_MODE_MULTI_WINDOW) &&
+                        taskInfo.activityType != ACTIVITY_TYPE_HOME
+            }
+        if (allFocusedTasks.isNotEmpty()) {
+            when (allFocusedTasks.size) {
+                2 -> {
+                    // Split-screen case where there are two focused tasks, then we find the child
+                    // task to move to desktop.
+                    val splitFocusedTask = findChildFocusedTask(allFocusedTasks)
+                    moveToDesktop(splitFocusedTask)
+                }
+                1 -> {
+                    // Fullscreen case where we move the current focused task.
+                    moveToDesktop(allFocusedTasks[0].taskId)
+                }
+                else -> {
+                    KtProtoLog.v(
+                        WM_SHELL_DESKTOP_MODE,
+                        "DesktopTasksController: Cannot enter desktop expected less " +
+                                "than 3 focused tasks but found " + allFocusedTasks.size
+                    )
+                }
+            }
+        }
+    }
+
+    private fun findChildFocusedTask(allFocusedTasks: List<RunningTaskInfo>): RunningTaskInfo {
+        if (allFocusedTasks[0].taskId == allFocusedTasks[1].parentTaskId) return allFocusedTasks[1]
+        return allFocusedTasks[0]
+    }
+
     /** Move a task with given `taskId` to desktop */
     fun moveToDesktop(
             taskId: Int,
@@ -1012,6 +1050,12 @@
                 this@DesktopTasksController.setTaskRegionListener(listener, callbackExecutor)
             }
         }
+
+        override fun enterDesktop(displayId: Int) {
+            mainExecutor.execute {
+                this@DesktopTasksController.enterDesktop(displayId)
+            }
+        }
     }
 
     /** The interface for calls from outside the host process. */
diff --git a/libs/WindowManager/Shell/tests/unittest/AndroidManifest.xml b/libs/WindowManager/Shell/tests/unittest/AndroidManifest.xml
index 47a116b..2ef425c 100644
--- a/libs/WindowManager/Shell/tests/unittest/AndroidManifest.xml
+++ b/libs/WindowManager/Shell/tests/unittest/AndroidManifest.xml
@@ -21,6 +21,7 @@
 
     <uses-permission android:name="android.permission.READ_DEVICE_CONFIG" />
     <uses-permission android:name="android.permission.VIBRATE"/>
+    <uses-permission android:name="android.permission.MANAGE_ACTIVITY_TASKS"/>
 
     <application android:debuggable="true" android:largeHeap="true">
         <uses-library android:name="android.test.mock" />
diff --git a/libs/WindowManager/Shell/tests/unittest/src/com/android/wm/shell/compatui/UserAspectRatioSettingsWindowManagerTest.java b/libs/WindowManager/Shell/tests/unittest/src/com/android/wm/shell/compatui/UserAspectRatioSettingsWindowManagerTest.java
index 9fe2cb1..81ba4b3 100644
--- a/libs/WindowManager/Shell/tests/unittest/src/com/android/wm/shell/compatui/UserAspectRatioSettingsWindowManagerTest.java
+++ b/libs/WindowManager/Shell/tests/unittest/src/com/android/wm/shell/compatui/UserAspectRatioSettingsWindowManagerTest.java
@@ -113,8 +113,22 @@
         mExecutor = new TestShellExecutor();
         mTaskInfo = createTaskInfo(/* eligibleForUserAspectRatioButton= */
                 false, /* topActivityBoundsLetterboxed */ true, ACTION_MAIN, CATEGORY_LAUNCHER);
+        final DisplayInfo displayInfo = new DisplayInfo();
+        final int displayWidth = 1000;
+        final int displayHeight = 1200;
+        displayInfo.logicalWidth = displayWidth;
+        displayInfo.logicalHeight = displayHeight;
+        final DisplayLayout displayLayout = new DisplayLayout(displayInfo,
+                mContext.getResources(), /* hasNavigationBar= */ true, /* hasStatusBar= */ false);
+        InsetsState insetsState = new InsetsState();
+        insetsState.setDisplayFrame(new Rect(0, 0, displayWidth, displayHeight));
+        InsetsSource insetsSource = new InsetsSource(
+                InsetsSource.createId(null, 0, navigationBars()), navigationBars());
+        insetsSource.setFrame(0, displayHeight - 200, displayWidth, displayHeight);
+        insetsState.addSource(insetsSource);
+        displayLayout.setInsets(mContext.getResources(), insetsState);
         mWindowManager = new UserAspectRatioSettingsWindowManager(mContext, mTaskInfo,
-                mSyncTransactionQueue, mTaskListener, new DisplayLayout(), new CompatUIHintsState(),
+                mSyncTransactionQueue, mTaskListener, displayLayout, new CompatUIHintsState(),
                 mOnUserAspectRatioSettingsButtonClicked, mExecutor, flags -> 0,
                 mUserAspectRatioButtonShownChecker, s -> {});
         spyOn(mWindowManager);
@@ -253,6 +267,31 @@
     }
 
     @Test
+    public void testEligibleButtonHiddenIfLetterboxBoundsEqualToStableBounds() {
+        TaskInfo taskInfo = createTaskInfo(/* eligibleForUserAspectRatioButton= */
+                true, /* topActivityBoundsLetterboxed */ true, ACTION_MAIN, CATEGORY_LAUNCHER);
+
+        final Rect stableBounds = mWindowManager.getTaskStableBounds();
+        final int stableHeight = stableBounds.height();
+
+        // Letterboxed activity bounds equal to stable bounds, layout shouldn't be inflated
+        taskInfo.appCompatTaskInfo.topActivityLetterboxHeight = stableHeight;
+        taskInfo.appCompatTaskInfo.topActivityLetterboxWidth = stableBounds.width();
+
+        mWindowManager.updateCompatInfo(taskInfo, mTaskListener, /* canShow= */ true);
+
+        verify(mWindowManager, never()).inflateLayout();
+
+        // Letterboxed activity bounds smaller than stable bounds, layout should be inflated
+        taskInfo.appCompatTaskInfo.topActivityLetterboxHeight = stableHeight - 100;
+
+        clearInvocations(mWindowManager);
+        mWindowManager.updateCompatInfo(taskInfo, mTaskListener, /* canShow= */ true);
+
+        verify(mWindowManager).inflateLayout();
+    }
+
+    @Test
     public void testUpdateDisplayLayout() {
         final DisplayInfo displayInfo = new DisplayInfo();
         displayInfo.logicalWidth = 1000;
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 63618f4..cb64c52 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
@@ -734,6 +734,46 @@
         shellExecutor.flushAll()
         verify(launchAdjacentController).launchAdjacentEnabled = true
     }
+    @Test
+    fun enterDesktop_fullscreenTaskIsMovedToDesktop() {
+        val task1 = setUpFullscreenTask()
+        val task2 = setUpFullscreenTask()
+        val task3 = setUpFullscreenTask()
+
+        task1.isFocused = true
+        task2.isFocused = false
+        task3.isFocused = false
+
+        controller.enterDesktop(DEFAULT_DISPLAY)
+
+        val wct = getLatestMoveToDesktopWct()
+        assertThat(wct.changes[task1.token.asBinder()]?.windowingMode)
+                .isEqualTo(WINDOWING_MODE_FREEFORM)
+    }
+
+    @Test
+    fun enterDesktop_splitScreenTaskIsMovedToDesktop() {
+        val task1 = setUpSplitScreenTask()
+        val task2 = setUpFullscreenTask()
+        val task3 = setUpFullscreenTask()
+        val task4 = setUpSplitScreenTask()
+
+        task1.isFocused = true
+        task2.isFocused = false
+        task3.isFocused = false
+        task4.isFocused = true
+
+        task4.parentTaskId = task1.taskId
+
+        controller.enterDesktop(DEFAULT_DISPLAY)
+
+        val wct = getLatestMoveToDesktopWct()
+        assertThat(wct.changes[task4.token.asBinder()]?.windowingMode)
+                .isEqualTo(WINDOWING_MODE_FREEFORM)
+        verify(splitScreenController).prepareExitSplitScreen(any(), anyInt(),
+            eq(SplitScreenController.EXIT_REASON_DESKTOP_MODE)
+        )
+    }
 
     private fun setUpFreeformTask(displayId: Int = DEFAULT_DISPLAY): RunningTaskInfo {
         val task = createFreeformTask(displayId)
diff --git a/nfc/java/android/nfc/cardemulation/ApduServiceInfo.java b/nfc/java/android/nfc/cardemulation/ApduServiceInfo.java
index f264b16..32dba5f 100644
--- a/nfc/java/android/nfc/cardemulation/ApduServiceInfo.java
+++ b/nfc/java/android/nfc/cardemulation/ApduServiceInfo.java
@@ -105,7 +105,6 @@
      */
     private final HashMap<String, AidGroup> mDynamicAidGroups;
 
-    private final ArrayList<String> mPollingLoopFilters;
 
     private final Map<String, Boolean> mAutoTransact;
 
@@ -181,7 +180,6 @@
         this.mDescription = description;
         this.mStaticAidGroups = new HashMap<String, AidGroup>();
         this.mDynamicAidGroups = new HashMap<String, AidGroup>();
-        this.mPollingLoopFilters = new ArrayList<String>();
         this.mAutoTransact = new HashMap<String, Boolean>();
         this.mOffHostName = offHost;
         this.mStaticOffHostName = staticOffHost;
@@ -302,7 +300,6 @@
 
             mStaticAidGroups = new HashMap<String, AidGroup>();
             mDynamicAidGroups = new HashMap<String, AidGroup>();
-            mPollingLoopFilters = new ArrayList<String>();
             mAutoTransact = new HashMap<String, Boolean>();
             mOnHost = onHost;
 
@@ -393,7 +390,6 @@
                     String plf =
                             a.getString(com.android.internal.R.styleable.PollingLoopFilter_name)
                             .toUpperCase(Locale.ROOT);
-                    mPollingLoopFilters.add(plf);
                     boolean autoTransact = a.getBoolean(
                             com.android.internal.R.styleable.PollingLoopFilter_autoTransact,
                             false);
@@ -461,7 +457,7 @@
     @FlaggedApi(Flags.FLAG_NFC_READ_POLLING_LOOP)
     @NonNull
     public List<String> getPollingLoopFilters() {
-        return mPollingLoopFilters;
+        return new ArrayList<>(mAutoTransact.keySet());
     }
 
     /**
@@ -672,12 +668,15 @@
 
     /**
      * Add a Polling Loop Filter. Custom NFC polling frames that match this filter will be
-     * delivered to {@link HostApduService#processPollingFrames(List)}.
-     * @param pollingLoopFilter this polling loop filter to add.
+     * delivered to {@link HostApduService#processPollingFrames(List)}. Adding a key with this or
+     * {@link  ApduServiceInfo#addPollingLoopFilterToAutoTransact(String)} multiple times will
+     * cause the value to be overwritten each time.
+     * @param pollingLoopFilter the polling loop filter to add, must be a  valide hexadecimal string
      */
     @FlaggedApi(Flags.FLAG_NFC_READ_POLLING_LOOP)
     public void addPollingLoopFilter(@NonNull String pollingLoopFilter) {
-        mPollingLoopFilters.add(pollingLoopFilter.toUpperCase(Locale.ROOT));
+        mAutoTransact.put(pollingLoopFilter.toUpperCase(Locale.ROOT), false);
+
     }
 
     /**
@@ -685,13 +684,14 @@
      * device to exit observe mode, just as if
      * {@link android.nfc.NfcAdapter#setTransactionAllowed(boolean)} had been called with true,
      * allowing transactions to proceed. The matching frame will also be delivered to
-     * {@link HostApduService#processPollingFrames(List)}.
+     * {@link HostApduService#processPollingFrames(List)}. Adding a key with this or
+     * {@link  ApduServiceInfo#addPollingLoopFilter(String)} multiple times will
+     * cause the value to be overwritten each time.
      *
-     * @param pollingLoopFilter this polling loop filter to add.
+     * @param pollingLoopFilter the polling loop filter to add, must be a  valide hexadecimal string
      */
     @FlaggedApi(Flags.FLAG_NFC_READ_POLLING_LOOP)
     public void addPollingLoopFilterToAutoTransact(@NonNull String pollingLoopFilter) {
-        mPollingLoopFilters.add(pollingLoopFilter.toUpperCase(Locale.ROOT));
         mAutoTransact.put(pollingLoopFilter.toUpperCase(Locale.ROOT), true);
     }
 
@@ -702,7 +702,7 @@
      */
     @FlaggedApi(Flags.FLAG_NFC_READ_POLLING_LOOP)
     public void removePollingLoopFilter(@NonNull String pollingLoopFilter) {
-        mPollingLoopFilters.remove(pollingLoopFilter.toUpperCase(Locale.ROOT));
+        mAutoTransact.remove(pollingLoopFilter.toUpperCase(Locale.ROOT));
     }
 
     /**
diff --git a/packages/SettingsLib/Spa/build.gradle.kts b/packages/SettingsLib/Spa/build.gradle.kts
index ec519ca..463e9be 100644
--- a/packages/SettingsLib/Spa/build.gradle.kts
+++ b/packages/SettingsLib/Spa/build.gradle.kts
@@ -29,7 +29,7 @@
 
 allprojects {
     extra["androidTop"] = androidTop
-    extra["jetpackComposeVersion"] = "1.7.0-alpha01"
+    extra["jetpackComposeVersion"] = "1.7.0-alpha02"
 }
 
 subprojects {
diff --git a/packages/SettingsLib/Spa/gradle/libs.versions.toml b/packages/SettingsLib/Spa/gradle/libs.versions.toml
index f6fbc02..fe378c2 100644
--- a/packages/SettingsLib/Spa/gradle/libs.versions.toml
+++ b/packages/SettingsLib/Spa/gradle/libs.versions.toml
@@ -16,7 +16,7 @@
 
 [versions]
 agp = "8.2.2"
-compose-compiler = "1.5.8"
+compose-compiler = "1.5.9"
 dexmaker-mockito = "2.28.3"
 jvm = "17"
 kotlin = "1.9.22"
diff --git a/packages/SettingsLib/Spa/spa/build.gradle.kts b/packages/SettingsLib/Spa/spa/build.gradle.kts
index 08a8797..2259bd74 100644
--- a/packages/SettingsLib/Spa/spa/build.gradle.kts
+++ b/packages/SettingsLib/Spa/spa/build.gradle.kts
@@ -57,13 +57,13 @@
     api("androidx.slice:slice-builders:1.1.0-alpha02")
     api("androidx.slice:slice-core:1.1.0-alpha02")
     api("androidx.slice:slice-view:1.1.0-alpha02")
-    api("androidx.compose.material3:material3:1.2.0-rc01")
+    api("androidx.compose.material3:material3:1.2.0")
     api("androidx.compose.material:material-icons-extended:$jetpackComposeVersion")
     api("androidx.compose.runtime:runtime-livedata:$jetpackComposeVersion")
     api("androidx.compose.ui:ui-tooling-preview:$jetpackComposeVersion")
     api("androidx.lifecycle:lifecycle-livedata-ktx")
     api("androidx.lifecycle:lifecycle-runtime-compose")
-    api("androidx.navigation:navigation-compose:2.8.0-alpha01")
+    api("androidx.navigation:navigation-compose:2.8.0-alpha02")
     api("com.github.PhilJay:MPAndroidChart:v3.1.0-alpha")
     api("com.google.android.material:material:1.7.0-alpha03")
     debugApi("androidx.compose.ui:ui-tooling:$jetpackComposeVersion")
diff --git a/packages/SettingsLib/Spa/spa/src/com/android/settingslib/spa/widget/preference/ListPreference.kt b/packages/SettingsLib/Spa/spa/src/com/android/settingslib/spa/widget/preference/ListPreference.kt
index a0149da..1a04bb8 100644
--- a/packages/SettingsLib/Spa/spa/src/com/android/settingslib/spa/widget/preference/ListPreference.kt
+++ b/packages/SettingsLib/Spa/spa/src/com/android/settingslib/spa/widget/preference/ListPreference.kt
@@ -37,11 +37,13 @@
 import androidx.compose.ui.semantics.Role
 import com.android.settingslib.spa.framework.theme.SettingsDimension
 import com.android.settingslib.spa.widget.dialog.SettingsDialog
+import com.android.settingslib.spa.widget.ui.SettingsBody
 import com.android.settingslib.spa.widget.ui.SettingsDialogItem
 
 data class ListPreferenceOption(
     val id: Int,
     val text: String,
+    val summary: String = String()
 )
 
 /**
@@ -129,6 +131,14 @@
     ) {
         RadioButton(selected = selected, onClick = null, enabled = enabled)
         Spacer(modifier = Modifier.width(SettingsDimension.itemPaddingEnd))
-        SettingsDialogItem(text = option.text, enabled = enabled)
+        Column {
+            SettingsDialogItem(text = option.text, enabled = enabled)
+            if (option.summary != String()) {
+                SettingsBody(
+                    body = option.summary,
+                    maxLines = 1
+                )
+            }
+        }
     }
 }
diff --git a/packages/SettingsLib/Spa/spa/src/com/android/settingslib/spa/widget/preference/TwoTargetPreference.kt b/packages/SettingsLib/Spa/spa/src/com/android/settingslib/spa/widget/preference/TwoTargetPreference.kt
index e36572f..3216e37 100644
--- a/packages/SettingsLib/Spa/spa/src/com/android/settingslib/spa/widget/preference/TwoTargetPreference.kt
+++ b/packages/SettingsLib/Spa/spa/src/com/android/settingslib/spa/widget/preference/TwoTargetPreference.kt
@@ -24,7 +24,6 @@
 import androidx.compose.foundation.layout.size
 import androidx.compose.material3.MaterialTheme
 import androidx.compose.runtime.Composable
-import androidx.compose.runtime.remember
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.unit.dp
@@ -46,14 +45,14 @@
         verticalAlignment = Alignment.CenterVertically,
     ) {
         Box(modifier = Modifier.weight(1f)) {
-            Preference(remember {
+            Preference(
                 object : PreferenceModel {
                     override val title = title
                     override val summary = summary
                     override val icon = icon
                     override val onClick = onClick
                 }
-            })
+            )
         }
         PreferenceDivider()
         widget()
diff --git a/packages/SettingsLib/Spa/tests/src/com/android/settingslib/spa/widget/preference/ListPreferenceTest.kt b/packages/SettingsLib/Spa/tests/src/com/android/settingslib/spa/widget/preference/ListPreferenceTest.kt
index 796ac48..417ce6e 100644
--- a/packages/SettingsLib/Spa/tests/src/com/android/settingslib/spa/widget/preference/ListPreferenceTest.kt
+++ b/packages/SettingsLib/Spa/tests/src/com/android/settingslib/spa/widget/preference/ListPreferenceTest.kt
@@ -123,6 +123,26 @@
     }
 
     @Test
+    fun click_optionsNotEmptyAndItemHasSummary_itemShowSummary() {
+        composeTestRule.setContent {
+            ListPreference(remember {
+                object : ListPreferenceModel {
+                    override val title = TITLE
+                    override val options =
+                        listOf(ListPreferenceOption(id = 1, text = "A", summary = "A_Summary"))
+                    override val selectedId = mutableIntStateOf(1)
+                    override val onIdSelected: (Int) -> Unit = {}
+                }
+            })
+        }
+
+        composeTestRule.onNodeWithText(TITLE).performClick()
+
+        composeTestRule.onDialogText(TITLE).assertIsDisplayed()
+        composeTestRule.onNodeWithText("A_Summary").assertIsDisplayed()
+    }
+
+    @Test
     fun select() {
         val selectedId = mutableIntStateOf(1)
         composeTestRule.setContent {
diff --git a/packages/SettingsLib/res/values/strings.xml b/packages/SettingsLib/res/values/strings.xml
index 1092a16..9588e50 100644
--- a/packages/SettingsLib/res/values/strings.xml
+++ b/packages/SettingsLib/res/values/strings.xml
@@ -1129,7 +1129,7 @@
     <!-- [CHAR_LIMIT=80] Label for battery level chart when charge been limited -->
     <string name="power_charging_limited"><xliff:g id="level">%1$s</xliff:g> - Charging optimized</string>
     <!-- [CHAR_LIMIT=80] Label for battery charging future pause -->
-    <string name="power_charging_future_paused"><xliff:g id="level">%1$s</xliff:g> - Charging optimized</string>
+    <string name="power_charging_future_paused"><xliff:g id="level">%1$s</xliff:g> - Charging</string>
 
     <!-- Battery Info screen. Value for a status item.  Used for diagnostic info screens, precise translation isn't needed -->
     <string name="battery_info_status_unknown">Unknown</string>
diff --git a/packages/SettingsLib/src/com/android/settingslib/applications/ApplicationsState.java b/packages/SettingsLib/src/com/android/settingslib/applications/ApplicationsState.java
index 249fa7f..e489bc5 100644
--- a/packages/SettingsLib/src/com/android/settingslib/applications/ApplicationsState.java
+++ b/packages/SettingsLib/src/com/android/settingslib/applications/ApplicationsState.java
@@ -1702,7 +1702,8 @@
         }
 
         public boolean isPrivateProfile() {
-            return UserManager.USER_TYPE_PROFILE_PRIVATE.equals(mProfileType);
+            return android.os.Flags.allowPrivateProfile()
+                    && UserManager.USER_TYPE_PROFILE_PRIVATE.equals(mProfileType);
         }
 
         /**
diff --git a/packages/SettingsLib/tests/integ/src/com/android/settingslib/applications/ApplicationsStateTest.java b/packages/SettingsLib/tests/integ/src/com/android/settingslib/applications/ApplicationsStateTest.java
index 213a66e..1ad7d49 100644
--- a/packages/SettingsLib/tests/integ/src/com/android/settingslib/applications/ApplicationsStateTest.java
+++ b/packages/SettingsLib/tests/integ/src/com/android/settingslib/applications/ApplicationsStateTest.java
@@ -22,21 +22,30 @@
 import static org.mockito.Mockito.when;
 
 import android.content.pm.ApplicationInfo;
+import android.os.Flags;
 import android.os.UserManager;
+import android.platform.test.flag.junit.SetFlagsRule;
+
+import androidx.test.core.app.ApplicationProvider;
 
 import org.junit.Before;
+import org.junit.Rule;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.junit.runners.JUnit4;
 
 @RunWith(JUnit4.class)
 public class ApplicationsStateTest {
+    private static final int APP_ENTRY_ID = 1;
     private ApplicationsState.AppEntry mEntry;
+    @Rule public final SetFlagsRule mSetFlagsRule = new SetFlagsRule();
 
     @Before
     public void setUp() {
-        mEntry = mock(ApplicationsState.AppEntry.class);
-        mEntry.info = mock(ApplicationInfo.class);
+        mEntry = new ApplicationsState.AppEntry(
+                ApplicationProvider.getApplicationContext(),
+                mock(ApplicationInfo.class),
+                APP_ENTRY_ID);
     }
 
     @Test
@@ -310,6 +319,8 @@
 
     @Test
     public void testPrivateProfileFilterDisplaysCorrectApps() {
+        mSetFlagsRule.enableFlags(Flags.FLAG_ALLOW_PRIVATE_PROFILE);
+
         mEntry.showInPersonalTab = true;
         mEntry.mProfileType = UserManager.USER_TYPE_FULL_SYSTEM;
         assertThat(ApplicationsState.FILTER_PERSONAL.filterApp(mEntry)).isTrue();
@@ -320,4 +331,14 @@
         assertThat(ApplicationsState.FILTER_PERSONAL.filterApp(mEntry)).isFalse();
         assertThat(ApplicationsState.FILTER_PRIVATE_PROFILE.filterApp(mEntry)).isTrue();
     }
+
+    @Test
+    public void testPrivateProfileFilterDisplaysCorrectAppsWhenFlagDisabled() {
+        mSetFlagsRule.disableFlags(Flags.FLAG_ALLOW_PRIVATE_PROFILE);
+
+        mEntry.showInPersonalTab = false;
+        mEntry.mProfileType = UserManager.USER_TYPE_PROFILE_PRIVATE;
+        assertThat(ApplicationsState.FILTER_PERSONAL.filterApp(mEntry)).isFalse();
+        assertThat(ApplicationsState.FILTER_PRIVATE_PROFILE.filterApp(mEntry)).isFalse();
+    }
 }
diff --git a/packages/SystemUI/aconfig/systemui.aconfig b/packages/SystemUI/aconfig/systemui.aconfig
index 7f229fb..4ed1965 100644
--- a/packages/SystemUI/aconfig/systemui.aconfig
+++ b/packages/SystemUI/aconfig/systemui.aconfig
@@ -317,7 +317,7 @@
    description: "Refactors shade header and keyguard status bar to read status bar dimens from a"
         " central place, instead of reading resources directly. This is to take into account display"
         " cutouts and other special cases. "
-   bug: "317199366"
+   bug: "317016114"
    metadata {
         purpose: PURPOSE_BUGFIX
    }
@@ -451,6 +451,16 @@
 }
 
 flag {
+    name: "slice_manager_binder_call_background"
+    namespace: "systemui"
+    description: "Move the ISliceManager#getPinnedSpecs binder call to the background thread."
+    bug: "322745650"
+    metadata {
+        purpose: PURPOSE_BUGFIX
+    }
+}
+
+flag {
    name: "register_new_wallet_card_in_background"
    namespace: "systemui"
    description: "Decide whether the call to registerNewWalletCards method should be issued on background thread."
@@ -469,3 +479,13 @@
         purpose: PURPOSE_BUGFIX
     }
 }
+
+flag {
+    name: "register_zen_mode_content_observer_background"
+    namespace: "systemui"
+    description: "Decide whether to register zen mode content observers in the background thread."
+    bug: "324515627"
+    metadata {
+        purpose: PURPOSE_BUGFIX
+    }
+}
diff --git a/packages/SystemUI/animation/src/com/android/systemui/animation/GhostedViewTransitionAnimatorController.kt b/packages/SystemUI/animation/src/com/android/systemui/animation/GhostedViewTransitionAnimatorController.kt
index e4dc9be..5d5f12e 100644
--- a/packages/SystemUI/animation/src/com/android/systemui/animation/GhostedViewTransitionAnimatorController.kt
+++ b/packages/SystemUI/animation/src/com/android/systemui/animation/GhostedViewTransitionAnimatorController.kt
@@ -123,7 +123,7 @@
             val views = LinkedList<View>().apply { add(view) }
 
             while (views.isNotEmpty()) {
-                val v = views.removeFirst()
+                val v = views.removeAt(0)
                 if (v.background != null) {
                     return v.background
                 }
diff --git a/packages/SystemUI/compose/scene/src/com/android/compose/animation/scene/Element.kt b/packages/SystemUI/compose/scene/src/com/android/compose/animation/scene/Element.kt
index 828e34d..2e781e6 100644
--- a/packages/SystemUI/compose/scene/src/com/android/compose/animation/scene/Element.kt
+++ b/packages/SystemUI/compose/scene/src/com/android/compose/animation/scene/Element.kt
@@ -29,13 +29,17 @@
 import androidx.compose.ui.graphics.CompositingStrategy
 import androidx.compose.ui.graphics.drawscope.ContentDrawScope
 import androidx.compose.ui.graphics.drawscope.scale
-import androidx.compose.ui.layout.IntermediateMeasureScope
+import androidx.compose.ui.layout.ApproachLayoutModifierNode
+import androidx.compose.ui.layout.ApproachMeasureScope
+import androidx.compose.ui.layout.LayoutCoordinates
+import androidx.compose.ui.layout.LookaheadScope
 import androidx.compose.ui.layout.Measurable
+import androidx.compose.ui.layout.MeasureResult
 import androidx.compose.ui.layout.Placeable
-import androidx.compose.ui.layout.intermediateLayout
 import androidx.compose.ui.node.DrawModifierNode
 import androidx.compose.ui.node.ModifierNodeElement
 import androidx.compose.ui.platform.testTag
+import androidx.compose.ui.semantics.testTag
 import androidx.compose.ui.unit.Constraints
 import androidx.compose.ui.unit.IntSize
 import androidx.compose.ui.unit.round
@@ -91,23 +95,7 @@
     layoutImpl: SceneTransitionLayoutImpl,
     scene: Scene,
     key: ElementKey,
-): Modifier {
-    return this.then(ElementModifier(layoutImpl, scene, key))
-        // TODO(b/311132415): Move this into ElementNode once we can create a delegate
-        // IntermediateLayoutModifierNode.
-        .intermediateLayout { measurable, constraints ->
-            // TODO(b/311132415): No need to fetch the element and sceneState from the map anymore
-            // once this is merged into ElementNode.
-            val element = layoutImpl.elements.getValue(key)
-            val sceneState = element.sceneStates.getValue(scene.key)
-
-            val placeable = measure(layoutImpl, scene, element, sceneState, measurable, constraints)
-            layout(placeable.width, placeable.height) {
-                place(layoutImpl, scene, element, sceneState, placeable, placementScope = this)
-            }
-        }
-        .testTag(key.testTag)
-}
+): Modifier = this.then(ElementModifier(layoutImpl, scene, key)).testTag(key.testTag)
 
 /**
  * An element associated to [ElementNode]. Note that this element does not support updates as its
@@ -129,7 +117,7 @@
     private var layoutImpl: SceneTransitionLayoutImpl,
     private var scene: Scene,
     private var key: ElementKey,
-) : Modifier.Node(), DrawModifierNode {
+) : Modifier.Node(), DrawModifierNode, ApproachLayoutModifierNode {
     private var _element: Element? = null
     private val element: Element
         get() = _element!!
@@ -197,6 +185,31 @@
         maybePruneMaps(layoutImpl, prevElement, prevSceneState)
     }
 
+    override fun isMeasurementApproachComplete(lookaheadSize: IntSize): Boolean {
+        // TODO(b/324191441): Investigate whether making this check more complex (checking if this
+        // element is shared or transformed) would lead to better performance.
+        return layoutImpl.state.currentTransition == null
+    }
+
+    override fun Placeable.PlacementScope.isPlacementApproachComplete(
+        lookaheadCoordinates: LayoutCoordinates
+    ): Boolean {
+        // TODO(b/324191441): Investigate whether making this check more complex (checking if this
+        // element is shared or transformed) would lead to better performance.
+        return layoutImpl.state.currentTransition == null
+    }
+
+    @ExperimentalComposeUiApi
+    override fun ApproachMeasureScope.approachMeasure(
+        measurable: Measurable,
+        constraints: Constraints,
+    ): MeasureResult {
+        val placeable = measure(layoutImpl, scene, element, sceneState, measurable, constraints)
+        return layout(placeable.width, placeable.height) {
+            place(layoutImpl, scene, element, sceneState, placeable, placementScope = this)
+        }
+    }
+
     override fun ContentDrawScope.draw() {
         val drawScale = getDrawScale(layoutImpl, element, scene)
         if (drawScale == Scale.Default) {
@@ -368,7 +381,7 @@
 }
 
 @OptIn(ExperimentalComposeUiApi::class)
-private fun IntermediateMeasureScope.measure(
+private fun ApproachMeasureScope.measure(
     layoutImpl: SceneTransitionLayoutImpl,
     scene: Scene,
     element: Element,
@@ -431,7 +444,7 @@
 }
 
 @OptIn(ExperimentalComposeUiApi::class)
-private fun IntermediateMeasureScope.place(
+private fun ApproachMeasureScope.place(
     layoutImpl: SceneTransitionLayoutImpl,
     scene: Scene,
     element: Element,
@@ -439,6 +452,8 @@
     placeable: Placeable,
     placementScope: Placeable.PlacementScope,
 ) {
+    this as LookaheadScope
+
     with(placementScope) {
         // Update the offset (relative to the SceneTransitionLayout) this element has in this scene
         // when idle.
diff --git a/packages/SystemUI/compose/scene/src/com/android/compose/animation/scene/SceneGestureHandler.kt b/packages/SystemUI/compose/scene/src/com/android/compose/animation/scene/SceneGestureHandler.kt
index c8fbad4..76e7c95 100644
--- a/packages/SystemUI/compose/scene/src/com/android/compose/animation/scene/SceneGestureHandler.kt
+++ b/packages/SystemUI/compose/scene/src/com/android/compose/animation/scene/SceneGestureHandler.kt
@@ -348,6 +348,8 @@
             // Compute the destination scene (and therefore offset) to settle in.
             val offset = swipeTransition.dragOffset
             val distance = swipeTransition.distance
+            var targetScene: Scene
+            var targetOffset: Float
             if (
                 shouldCommitSwipe(
                     offset,
@@ -356,12 +358,24 @@
                     wasCommitted = swipeTransition._currentScene == toScene,
                 )
             ) {
-                // Animate to the next scene
-                animateTo(targetScene = toScene, targetOffset = distance)
+                targetScene = toScene
+                targetOffset = distance
             } else {
-                // Animate to the initial scene
-                animateTo(targetScene = fromScene, targetOffset = 0f)
+                targetScene = fromScene
+                targetOffset = 0f
             }
+
+            if (
+                targetScene != swipeTransition._currentScene &&
+                    !layoutState.canChangeScene(targetScene.key)
+            ) {
+                // We wanted to change to a new scene but we are not allowed to, so we animate back
+                // to the current scene.
+                targetScene = swipeTransition._currentScene
+                targetOffset = if (targetScene == fromScene) 0f else distance
+            }
+
+            animateTo(targetScene = targetScene, targetOffset = targetOffset)
         } else {
             // We are doing an overscroll animation between scenes. In this case, we can also start
             // from the idle position.
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 8c5a472..08399ff 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
@@ -232,7 +232,12 @@
                 scene(state.transitionState.currentScene).userActions[Back]?.let { result ->
                     // TODO(b/290184746): Handle predictive back and use result.distance if
                     // specified.
-                    BackHandler { with(state) { coroutineScope.onChangeScene(result.toScene) } }
+                    BackHandler {
+                        val targetScene = result.toScene
+                        if (state.canChangeScene(targetScene)) {
+                            with(state) { coroutineScope.onChangeScene(targetScene) }
+                        }
+                    }
                 }
 
                 Box {
diff --git a/packages/SystemUI/compose/scene/src/com/android/compose/animation/scene/SceneTransitionLayoutState.kt b/packages/SystemUI/compose/scene/src/com/android/compose/animation/scene/SceneTransitionLayoutState.kt
index a8da551..662f33f 100644
--- a/packages/SystemUI/compose/scene/src/com/android/compose/animation/scene/SceneTransitionLayoutState.kt
+++ b/packages/SystemUI/compose/scene/src/com/android/compose/animation/scene/SceneTransitionLayoutState.kt
@@ -101,13 +101,30 @@
     ): TransitionState.Transition?
 }
 
-/** Return a [MutableSceneTransitionLayoutState] initially idle at [initialScene]. */
+/**
+ * Return a [MutableSceneTransitionLayoutState] initially idle at [initialScene].
+ *
+ * @param initialScene the initial scene to which this state is initialized.
+ * @param transitions the [SceneTransitions] used when this state is transitioning between scenes.
+ * @param canChangeScene whether we can transition to the given scene. This is called when the user
+ *   commits a transition to a new scene because of a [UserAction]. If [canChangeScene] returns
+ *   `true`, then the gesture will be committed and we will animate to the other scene. Otherwise,
+ *   the gesture will be cancelled and we will animate back to the current scene.
+ * @param stateLinks the [StateLink] connecting this [SceneTransitionLayoutState] to other
+ *   [SceneTransitionLayoutState]s.
+ */
 fun MutableSceneTransitionLayoutState(
     initialScene: SceneKey,
     transitions: SceneTransitions = SceneTransitions.Empty,
+    canChangeScene: (SceneKey) -> Boolean = { true },
     stateLinks: List<StateLink> = emptyList(),
 ): MutableSceneTransitionLayoutState {
-    return MutableSceneTransitionLayoutStateImpl(initialScene, transitions, stateLinks)
+    return MutableSceneTransitionLayoutStateImpl(
+        initialScene,
+        transitions,
+        canChangeScene,
+        stateLinks,
+    )
 }
 
 /**
@@ -120,18 +137,32 @@
  *   This is called when the user commits a transition to a new scene because of a [UserAction], for
  *   instance by triggering back navigation or by swiping to a new scene.
  * @param transitions the definition of the transitions used to animate a change of scene.
+ * @param canChangeScene whether we can transition to the given scene. This is called when the user
+ *   commits a transition to a new scene because of a [UserAction]. If [canChangeScene] returns
+ *   `true`, then [onChangeScene] will be called right afterwards with the same [SceneKey]. If it
+ *   returns `false`, the user action will be cancelled and we will animate back to the current
+ *   scene.
+ * @param stateLinks the [StateLink] connecting this [SceneTransitionLayoutState] to other
+ *   [SceneTransitionLayoutState]s.
  */
 @Composable
 fun updateSceneTransitionLayoutState(
     currentScene: SceneKey,
     onChangeScene: (SceneKey) -> Unit,
     transitions: SceneTransitions = SceneTransitions.Empty,
+    canChangeScene: (SceneKey) -> Boolean = { true },
     stateLinks: List<StateLink> = emptyList(),
 ): SceneTransitionLayoutState {
     return remember {
-            HoistedSceneTransitionLayoutScene(currentScene, transitions, onChangeScene, stateLinks)
+            HoistedSceneTransitionLayoutState(
+                currentScene,
+                transitions,
+                onChangeScene,
+                canChangeScene,
+                stateLinks,
+            )
         }
-        .apply { update(currentScene, onChangeScene, transitions, stateLinks) }
+        .apply { update(currentScene, onChangeScene, canChangeScene, transitions, stateLinks) }
 }
 
 @Stable
@@ -208,6 +239,9 @@
 
     private val activeTransitionLinks = mutableMapOf<StateLink, LinkedTransition>()
 
+    /** Whether we can transition to the given [scene]. */
+    internal abstract fun canChangeScene(scene: SceneKey): Boolean
+
     /**
      * Called when the [current scene][TransitionState.currentScene] should be changed to [scene].
      *
@@ -330,25 +364,30 @@
  * A [SceneTransitionLayout] whose current scene/source of truth is hoisted (its current value comes
  * from outside).
  */
-internal class HoistedSceneTransitionLayoutScene(
+internal class HoistedSceneTransitionLayoutState(
     initialScene: SceneKey,
     override var transitions: SceneTransitions,
     private var changeScene: (SceneKey) -> Unit,
+    private var canChangeScene: (SceneKey) -> Boolean,
     stateLinks: List<StateLink> = emptyList(),
 ) : BaseSceneTransitionLayoutState(initialScene, stateLinks) {
     private val targetSceneChannel = Channel<SceneKey>(Channel.CONFLATED)
 
-    override fun CoroutineScope.onChangeScene(scene: SceneKey) = changeScene(scene)
+    override fun canChangeScene(scene: SceneKey): Boolean = canChangeScene.invoke(scene)
+
+    override fun CoroutineScope.onChangeScene(scene: SceneKey) = changeScene.invoke(scene)
 
     @Composable
     fun update(
         currentScene: SceneKey,
         onChangeScene: (SceneKey) -> Unit,
+        canChangeScene: (SceneKey) -> Boolean,
         transitions: SceneTransitions,
         stateLinks: List<StateLink>,
     ) {
         SideEffect {
             this.changeScene = onChangeScene
+            this.canChangeScene = canChangeScene
             this.transitions = transitions
             this.stateLinks = stateLinks
 
@@ -361,7 +400,7 @@
                 // late.
                 val newKey = targetSceneChannel.tryReceive().getOrNull() ?: newKey
                 animateToScene(
-                    layoutState = this@HoistedSceneTransitionLayoutScene,
+                    layoutState = this@HoistedSceneTransitionLayoutState,
                     target = newKey,
                     transitionKey = null,
                 )
@@ -374,6 +413,7 @@
 internal class MutableSceneTransitionLayoutStateImpl(
     initialScene: SceneKey,
     override var transitions: SceneTransitions,
+    private val canChangeScene: (SceneKey) -> Boolean = { true },
     stateLinks: List<StateLink> = emptyList(),
 ) : MutableSceneTransitionLayoutState, BaseSceneTransitionLayoutState(initialScene, stateLinks) {
     override fun setTargetScene(
@@ -388,6 +428,8 @@
         )
     }
 
+    override fun canChangeScene(scene: SceneKey): Boolean = canChangeScene.invoke(scene)
+
     override fun CoroutineScope.onChangeScene(scene: SceneKey) {
         setTargetScene(scene, coroutineScope = this)
     }
diff --git a/packages/SystemUI/compose/scene/tests/src/com/android/compose/animation/scene/ElementTest.kt b/packages/SystemUI/compose/scene/tests/src/com/android/compose/animation/scene/ElementTest.kt
index c9b5b75..33be1dc 100644
--- a/packages/SystemUI/compose/scene/tests/src/com/android/compose/animation/scene/ElementTest.kt
+++ b/packages/SystemUI/compose/scene/tests/src/com/android/compose/animation/scene/ElementTest.kt
@@ -44,7 +44,6 @@
 import kotlinx.coroutines.launch
 import kotlinx.coroutines.test.runTest
 import org.junit.Assert.assertThrows
-import org.junit.Ignore
 import org.junit.Rule
 import org.junit.Test
 import org.junit.runner.RunWith
@@ -248,11 +247,9 @@
     }
 
     @Test
-    @Ignore
-    fun elementIsReusedInSameSceneAndBetweenScenes() {
+    fun elementIsReusedBetweenScenes() {
         var currentScene by mutableStateOf(TestScenes.SceneA)
         var sceneCState by mutableStateOf(0)
-        var sceneDState by mutableStateOf(0)
         val key = TestElements.Foo
         var nullableLayoutImpl: SceneTransitionLayoutImpl? = null
 
@@ -270,19 +267,6 @@
                 scene(TestScenes.SceneC) {
                     when (sceneCState) {
                         0 -> Row(Modifier.element(key)) {}
-                        1 -> Column(Modifier.element(key)) {}
-                        else -> {
-                            /* Nothing */
-                        }
-                    }
-                }
-                scene(TestScenes.SceneD) {
-                    // We should be able to extract the modifier before assigning it to different
-                    // nodes.
-                    val childModifier = Modifier.element(key)
-                    when (sceneDState) {
-                        0 -> Row(childModifier) {}
-                        1 -> Column(childModifier) {}
                         else -> {
                             /* Nothing */
                         }
@@ -315,35 +299,10 @@
         assertThat(layoutImpl.elements.getValue(key)).isSameInstanceAs(element)
         assertThat(element.sceneStates.keys).containsExactly(TestScenes.SceneC)
 
-        // Scene C, state 1: the same element is reused.
+        // Scene C, state 1: the element is removed from the map.
         sceneCState = 1
         rule.waitForIdle()
 
-        assertThat(layoutImpl.elements.keys).containsExactly(key)
-        assertThat(layoutImpl.elements.getValue(key)).isSameInstanceAs(element)
-        assertThat(element.sceneStates.keys).containsExactly(TestScenes.SceneC)
-
-        // Scene D, state 0: the same element is reused.
-        currentScene = TestScenes.SceneD
-        sceneDState = 0
-        rule.waitForIdle()
-
-        assertThat(layoutImpl.elements.keys).containsExactly(key)
-        assertThat(layoutImpl.elements.getValue(key)).isSameInstanceAs(element)
-        assertThat(element.sceneStates.keys).containsExactly(TestScenes.SceneD)
-
-        // Scene D, state 1: the same element is reused.
-        sceneDState = 1
-        rule.waitForIdle()
-
-        assertThat(layoutImpl.elements.keys).containsExactly(key)
-        assertThat(layoutImpl.elements.getValue(key)).isSameInstanceAs(element)
-        assertThat(element.sceneStates.keys).containsExactly(TestScenes.SceneD)
-
-        // Scene D, state 2: the element is removed from the map.
-        sceneDState = 2
-        rule.waitForIdle()
-
         assertThat(element.sceneStates).isEmpty()
         assertThat(layoutImpl.elements).isEmpty()
     }
diff --git a/packages/SystemUI/compose/scene/tests/src/com/android/compose/animation/scene/SceneGestureHandlerTest.kt b/packages/SystemUI/compose/scene/tests/src/com/android/compose/animation/scene/SceneGestureHandlerTest.kt
index c91d298..fe53d5b 100644
--- a/packages/SystemUI/compose/scene/tests/src/com/android/compose/animation/scene/SceneGestureHandlerTest.kt
+++ b/packages/SystemUI/compose/scene/tests/src/com/android/compose/animation/scene/SceneGestureHandlerTest.kt
@@ -51,8 +51,13 @@
     private class TestGestureScope(
         private val testScope: MonotonicClockTestScope,
     ) {
+        var canChangeScene: (SceneKey) -> Boolean = { true }
         private val layoutState =
-            MutableSceneTransitionLayoutStateImpl(SceneA, EmptyTestTransitions)
+            MutableSceneTransitionLayoutStateImpl(
+                SceneA,
+                EmptyTestTransitions,
+                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)
@@ -890,4 +895,41 @@
         )
         assertThat(transitionState).isNotSameInstanceAs(firstTransition)
     }
+
+    @Test
+    fun blockTransition() = runGestureTest {
+        assertIdle(SceneA)
+
+        // Swipe up to scene B.
+        onDragStarted(overSlop = up(0.1f))
+        assertTransition(currentScene = SceneA, fromScene = SceneA, toScene = SceneB)
+
+        // Block the transition when the user release their finger.
+        canChangeScene = { false }
+        onDragStopped(velocity = -velocityThreshold)
+        advanceUntilIdle()
+        assertIdle(SceneA)
+    }
+
+    @Test
+    fun blockInterceptedTransition() = runGestureTest {
+        assertIdle(SceneA)
+
+        // Swipe up to B.
+        onDragStarted(overSlop = up(0.1f))
+        assertTransition(currentScene = SceneA, fromScene = SceneA, toScene = SceneB)
+        onDragStopped(velocity = -velocityThreshold)
+        assertTransition(currentScene = SceneB, fromScene = SceneA, toScene = SceneB)
+
+        // Intercept the transition and swipe down back to scene A.
+        assertThat(sceneGestureHandler.shouldImmediatelyIntercept(startedPosition = null)).isTrue()
+        onDragStartedImmediately()
+
+        // Block the transition when the user release their finger.
+        canChangeScene = { false }
+        onDragStopped(velocity = velocityThreshold)
+
+        advanceUntilIdle()
+        assertIdle(SceneB)
+    }
 }
diff --git a/packages/SystemUI/multivalentTests/src/com/android/systemui/statusbar/NotificationLockscreenUserManagerMainThreadTest.java b/packages/SystemUI/multivalentTests/src/com/android/systemui/statusbar/NotificationLockscreenUserManagerMainThreadTest.java
deleted file mode 100644
index d0e05fa..0000000
--- a/packages/SystemUI/multivalentTests/src/com/android/systemui/statusbar/NotificationLockscreenUserManagerMainThreadTest.java
+++ /dev/null
@@ -1,614 +0,0 @@
-/*
- * Copyright (C) 2023 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.statusbar;
-
-import static android.app.admin.DevicePolicyManager.ACTION_DEVICE_POLICY_MANAGER_STATE_CHANGED;
-import static android.app.admin.DevicePolicyManager.KEYGUARD_DISABLE_SECURE_NOTIFICATIONS;
-import static android.app.admin.DevicePolicyManager.KEYGUARD_DISABLE_UNREDACTED_NOTIFICATIONS;
-import static android.provider.Settings.Secure.LOCK_SCREEN_ALLOW_PRIVATE_NOTIFICATIONS;
-import static android.provider.Settings.Secure.LOCK_SCREEN_SHOW_NOTIFICATIONS;
-
-import static junit.framework.Assert.assertFalse;
-import static junit.framework.Assert.assertTrue;
-
-import static org.mockito.Mockito.clearInvocations;
-import static org.mockito.Mockito.mock;
-import static org.mockito.Mockito.never;
-import static org.mockito.Mockito.times;
-import static org.mockito.Mockito.verify;
-import static org.mockito.Mockito.when;
-
-import android.app.ActivityManager;
-import android.app.KeyguardManager;
-import android.app.Notification;
-import android.app.admin.DevicePolicyManager;
-import android.content.BroadcastReceiver;
-import android.content.Context;
-import android.content.Intent;
-import android.content.pm.UserInfo;
-import android.database.ContentObserver;
-import android.net.Uri;
-import android.os.UserHandle;
-import android.os.UserManager;
-import android.provider.Settings;
-import android.util.SparseArray;
-
-import androidx.test.ext.junit.runners.AndroidJUnit4;
-import androidx.test.filters.SmallTest;
-
-import com.android.internal.widget.LockPatternUtils;
-import com.android.systemui.SysuiTestCase;
-import com.android.systemui.broadcast.BroadcastDispatcher;
-import com.android.systemui.dump.DumpManager;
-import com.android.systemui.flags.FakeFeatureFlagsClassic;
-import com.android.systemui.flags.Flags;
-import com.android.systemui.plugins.statusbar.StatusBarStateController;
-import com.android.systemui.recents.OverviewProxyService;
-import com.android.systemui.settings.UserTracker;
-import com.android.systemui.statusbar.NotificationLockscreenUserManager.NotificationStateChangedListener;
-import com.android.systemui.statusbar.notification.collection.NotificationEntry;
-import com.android.systemui.statusbar.notification.collection.NotificationEntryBuilder;
-import com.android.systemui.statusbar.notification.collection.notifcollection.CommonNotifCollection;
-import com.android.systemui.statusbar.notification.collection.render.NotificationVisibilityProvider;
-import com.android.systemui.statusbar.policy.DeviceProvisionedController;
-import com.android.systemui.statusbar.policy.KeyguardStateController;
-import com.android.systemui.util.settings.FakeSettings;
-
-import com.google.android.collect.Lists;
-
-import org.junit.Before;
-import org.junit.Test;
-import org.junit.runner.RunWith;
-import org.mockito.Mock;
-import org.mockito.Mockito;
-import org.mockito.MockitoAnnotations;
-
-import java.util.ArrayList;
-import java.util.Collection;
-import java.util.concurrent.Executor;
-
-@SmallTest
-@RunWith(AndroidJUnit4.class)
-public class NotificationLockscreenUserManagerMainThreadTest extends SysuiTestCase {
-    @Mock
-    private NotificationPresenter mPresenter;
-    @Mock
-    private UserManager mUserManager;
-    @Mock
-    private UserTracker mUserTracker;
-
-    // Dependency mocks:
-    @Mock
-    private NotificationVisibilityProvider mVisibilityProvider;
-    @Mock
-    private CommonNotifCollection mNotifCollection;
-    @Mock
-    private DevicePolicyManager mDevicePolicyManager;
-    @Mock
-    private NotificationClickNotifier mClickNotifier;
-    @Mock
-    private OverviewProxyService mOverviewProxyService;
-    @Mock
-    private KeyguardManager mKeyguardManager;
-    @Mock
-    private DeviceProvisionedController mDeviceProvisionedController;
-    @Mock
-    private StatusBarStateController mStatusBarStateController;
-    @Mock
-    private BroadcastDispatcher mBroadcastDispatcher;
-    @Mock
-    private KeyguardStateController mKeyguardStateController;
-
-    private UserInfo mCurrentUser;
-    private UserInfo mSecondaryUser;
-    private UserInfo mWorkUser;
-    private UserInfo mCommunalUser;
-    private FakeSettings mSettings;
-    private TestNotificationLockscreenUserManager mLockscreenUserManager;
-    private NotificationEntry mCurrentUserNotif;
-    private NotificationEntry mSecondaryUserNotif;
-    private NotificationEntry mWorkProfileNotif;
-    private final FakeFeatureFlagsClassic mFakeFeatureFlags = new FakeFeatureFlagsClassic();
-    private Executor mMainExecutor = Runnable::run; // Direct executor
-    private Executor mBackgroundExecutor = Runnable::run; // Direct executor
-
-    @Before
-    public void setUp() {
-        MockitoAnnotations.initMocks(this);
-
-        mFakeFeatureFlags.set(Flags.NOTIF_LS_BACKGROUND_THREAD, false);
-
-        int currentUserId = ActivityManager.getCurrentUser();
-        when(mUserTracker.getUserId()).thenReturn(currentUserId);
-        mSettings = new FakeSettings();
-        mSettings.setUserId(ActivityManager.getCurrentUser());
-        mCurrentUser = new UserInfo(currentUserId, "", 0);
-        mSecondaryUser = new UserInfo(currentUserId + 1, "", 0);
-        mWorkUser = new UserInfo(currentUserId + 2, "" /* name */, null /* iconPath */, 0,
-                UserManager.USER_TYPE_PROFILE_MANAGED);
-        mCommunalUser = new UserInfo(currentUserId + 3, "" /* name */, null /* iconPath */, 0,
-                UserManager.USER_TYPE_PROFILE_COMMUNAL);
-
-        when(mKeyguardManager.getPrivateNotificationsAllowed()).thenReturn(true);
-        when(mUserManager.getProfiles(currentUserId)).thenReturn(Lists.newArrayList(
-                mCurrentUser, mWorkUser));
-        when(mUserManager.getProfilesIncludingCommunal(currentUserId)).thenReturn(
-                Lists.newArrayList(mCurrentUser, mWorkUser, mCommunalUser));
-        when(mUserManager.getProfiles(mSecondaryUser.id)).thenReturn(Lists.newArrayList(
-                mSecondaryUser));
-        when(mUserManager.getProfilesIncludingCommunal(mSecondaryUser.id)).thenReturn(
-                Lists.newArrayList(mSecondaryUser, mCommunalUser));
-
-        Notification notifWithPrivateVisibility = new Notification();
-        notifWithPrivateVisibility.visibility = Notification.VISIBILITY_PRIVATE;
-        mCurrentUserNotif = new NotificationEntryBuilder()
-                .setNotification(notifWithPrivateVisibility)
-                .setUser(new UserHandle(mCurrentUser.id))
-                .build();
-        mSecondaryUserNotif = new NotificationEntryBuilder()
-                .setNotification(notifWithPrivateVisibility)
-                .setUser(new UserHandle(mSecondaryUser.id))
-                .build();
-        mWorkProfileNotif = new NotificationEntryBuilder()
-                .setNotification(notifWithPrivateVisibility)
-                .setUser(new UserHandle(mWorkUser.id))
-                .build();
-
-        mLockscreenUserManager = new TestNotificationLockscreenUserManager(mContext);
-        mLockscreenUserManager.setUpWithPresenter(mPresenter);
-    }
-
-    private void changeSetting(String setting) {
-        final Collection<Uri> lockScreenUris = new ArrayList<>();
-        lockScreenUris.add(Settings.Secure.getUriFor(setting));
-        mLockscreenUserManager.getLockscreenSettingsObserverForTest().onChange(false,
-            lockScreenUris, 0);
-    }
-
-    @Test
-    public void testGetCurrentProfiles() {
-        final SparseArray<UserInfo> expectedCurProfiles = new SparseArray<>();
-        expectedCurProfiles.put(mCurrentUser.id, mCurrentUser);
-        expectedCurProfiles.put(mWorkUser.id, mWorkUser);
-        if (android.multiuser.Flags.supportCommunalProfile()) {
-            expectedCurProfiles.put(mCommunalUser.id, mCommunalUser);
-        }
-        assertTrue(mLockscreenUserManager.getCurrentProfiles().contentEquals(expectedCurProfiles));
-
-        mLockscreenUserManager.mUserChangedCallback.onUserChanging(mSecondaryUser.id, mContext);
-
-        final SparseArray<UserInfo> expectedSecProfiles = new SparseArray<>();
-        expectedSecProfiles.put(mSecondaryUser.id, mSecondaryUser);
-        if (android.multiuser.Flags.supportCommunalProfile()) {
-            expectedSecProfiles.put(mCommunalUser.id, mCommunalUser);
-        }
-        assertTrue(mLockscreenUserManager.getCurrentProfiles().contentEquals(expectedSecProfiles));
-    }
-
-    @Test
-    public void testLockScreenShowNotificationsFalse() {
-        mSettings.putInt(LOCK_SCREEN_SHOW_NOTIFICATIONS, 0);
-        changeSetting(LOCK_SCREEN_SHOW_NOTIFICATIONS);
-        assertFalse(mLockscreenUserManager.shouldShowLockscreenNotifications());
-    }
-
-    @Test
-    public void testLockScreenShowNotificationsTrue() {
-        mSettings.putInt(LOCK_SCREEN_SHOW_NOTIFICATIONS, 1);
-        changeSetting(LOCK_SCREEN_SHOW_NOTIFICATIONS);
-        assertTrue(mLockscreenUserManager.shouldShowLockscreenNotifications());
-    }
-
-    @Test
-    public void testLockScreenAllowPrivateNotificationsTrue() {
-        mSettings.putInt(LOCK_SCREEN_ALLOW_PRIVATE_NOTIFICATIONS, 1);
-        changeSetting(LOCK_SCREEN_ALLOW_PRIVATE_NOTIFICATIONS);
-        assertTrue(mLockscreenUserManager.userAllowsPrivateNotificationsInPublic(mCurrentUser.id));
-    }
-
-    @Test
-    public void testLockScreenAllowPrivateNotificationsFalse() {
-        mSettings.putIntForUser(LOCK_SCREEN_ALLOW_PRIVATE_NOTIFICATIONS, 0,
-                mCurrentUser.id);
-        changeSetting(LOCK_SCREEN_ALLOW_PRIVATE_NOTIFICATIONS);
-        assertFalse(mLockscreenUserManager.userAllowsPrivateNotificationsInPublic(mCurrentUser.id));
-    }
-
-    @Test
-    public void testLockScreenAllowsWorkPrivateNotificationsFalse() {
-        mSettings.putIntForUser(LOCK_SCREEN_ALLOW_PRIVATE_NOTIFICATIONS, 0,
-                mWorkUser.id);
-        changeSetting(LOCK_SCREEN_ALLOW_PRIVATE_NOTIFICATIONS);
-        assertFalse(mLockscreenUserManager.userAllowsPrivateNotificationsInPublic(mWorkUser.id));
-    }
-
-    @Test
-    public void testLockScreenAllowsWorkPrivateNotificationsTrue() {
-        mSettings.putIntForUser(LOCK_SCREEN_ALLOW_PRIVATE_NOTIFICATIONS, 1,
-                mWorkUser.id);
-        changeSetting(LOCK_SCREEN_ALLOW_PRIVATE_NOTIFICATIONS);
-        assertTrue(mLockscreenUserManager.userAllowsPrivateNotificationsInPublic(mWorkUser.id));
-    }
-
-    @Test
-    public void testCurrentUserPrivateNotificationsNotRedacted() {
-        // GIVEN current user doesn't allow private notifications to show
-        mSettings.putIntForUser(LOCK_SCREEN_ALLOW_PRIVATE_NOTIFICATIONS, 0,
-                mCurrentUser.id);
-        changeSetting(LOCK_SCREEN_ALLOW_PRIVATE_NOTIFICATIONS);
-
-        // THEN current user's notification is redacted
-        assertTrue(mLockscreenUserManager.needsRedaction(mCurrentUserNotif));
-    }
-
-    @Test
-    public void testCurrentUserPrivateNotificationsRedacted() {
-        // GIVEN current user allows private notifications to show
-        mSettings.putIntForUser(LOCK_SCREEN_ALLOW_PRIVATE_NOTIFICATIONS, 1,
-                mCurrentUser.id);
-        changeSetting(LOCK_SCREEN_ALLOW_PRIVATE_NOTIFICATIONS);
-
-        // THEN current user's notification isn't redacted
-        assertFalse(mLockscreenUserManager.needsRedaction(mCurrentUserNotif));
-    }
-
-    @Test
-    public void testWorkPrivateNotificationsRedacted() {
-        // GIVEN work profile doesn't private notifications to show
-        mSettings.putIntForUser(LOCK_SCREEN_ALLOW_PRIVATE_NOTIFICATIONS, 0,
-                mWorkUser.id);
-        changeSetting(LOCK_SCREEN_ALLOW_PRIVATE_NOTIFICATIONS);
-
-        // THEN work profile notification is redacted
-        assertTrue(mLockscreenUserManager.needsRedaction(mWorkProfileNotif));
-        assertFalse(mLockscreenUserManager.allowsManagedPrivateNotificationsInPublic());
-    }
-
-    @Test
-    public void testWorkPrivateNotificationsNotRedacted() {
-        // GIVEN work profile allows private notifications to show
-        mSettings.putIntForUser(LOCK_SCREEN_ALLOW_PRIVATE_NOTIFICATIONS, 1,
-                mWorkUser.id);
-        changeSetting(LOCK_SCREEN_ALLOW_PRIVATE_NOTIFICATIONS);
-
-        // THEN work profile notification isn't redacted
-        assertFalse(mLockscreenUserManager.needsRedaction(mWorkProfileNotif));
-        assertTrue(mLockscreenUserManager.allowsManagedPrivateNotificationsInPublic());
-    }
-
-    @Test
-    public void testWorkPrivateNotificationsNotRedacted_otherUsersRedacted() {
-        // GIVEN work profile allows private notifications to show but the other users don't
-        mSettings.putIntForUser(LOCK_SCREEN_ALLOW_PRIVATE_NOTIFICATIONS, 1,
-                mWorkUser.id);
-        mSettings.putIntForUser(LOCK_SCREEN_ALLOW_PRIVATE_NOTIFICATIONS, 0,
-                mCurrentUser.id);
-        mSettings.putIntForUser(LOCK_SCREEN_ALLOW_PRIVATE_NOTIFICATIONS, 0,
-                mSecondaryUser.id);
-        changeSetting(LOCK_SCREEN_ALLOW_PRIVATE_NOTIFICATIONS);
-        changeSetting(LOCK_SCREEN_ALLOW_PRIVATE_NOTIFICATIONS);
-        changeSetting(LOCK_SCREEN_ALLOW_PRIVATE_NOTIFICATIONS);
-
-        // THEN the work profile notification doesn't need to be redacted
-        assertFalse(mLockscreenUserManager.needsRedaction(mWorkProfileNotif));
-
-        // THEN the current user and secondary user notifications do need to be redacted
-        assertTrue(mLockscreenUserManager.needsRedaction(mCurrentUserNotif));
-        assertTrue(mLockscreenUserManager.needsRedaction(mSecondaryUserNotif));
-    }
-
-    @Test
-    public void testWorkProfileRedacted_otherUsersNotRedacted() {
-        // GIVEN work profile doesn't allow private notifications to show but the other users do
-        mSettings.putIntForUser(LOCK_SCREEN_ALLOW_PRIVATE_NOTIFICATIONS, 0,
-                mWorkUser.id);
-        mSettings.putIntForUser(LOCK_SCREEN_ALLOW_PRIVATE_NOTIFICATIONS, 1,
-                mCurrentUser.id);
-        mSettings.putIntForUser(LOCK_SCREEN_ALLOW_PRIVATE_NOTIFICATIONS, 1,
-                mSecondaryUser.id);
-        changeSetting(LOCK_SCREEN_ALLOW_PRIVATE_NOTIFICATIONS);
-        changeSetting(LOCK_SCREEN_ALLOW_PRIVATE_NOTIFICATIONS);
-        changeSetting(LOCK_SCREEN_ALLOW_PRIVATE_NOTIFICATIONS);
-
-        // THEN the work profile notification needs to be redacted
-        assertTrue(mLockscreenUserManager.needsRedaction(mWorkProfileNotif));
-
-        // THEN the current user and secondary user notifications don't need to be redacted
-        assertFalse(mLockscreenUserManager.needsRedaction(mCurrentUserNotif));
-        assertFalse(mLockscreenUserManager.needsRedaction(mSecondaryUserNotif));
-    }
-
-    @Test
-    public void testSecondaryUserNotRedacted_currentUserRedacted() {
-        // GIVEN secondary profile allows private notifications to show but the current user
-        // doesn't allow private notifications to show
-        mSettings.putIntForUser(LOCK_SCREEN_ALLOW_PRIVATE_NOTIFICATIONS, 0,
-                mCurrentUser.id);
-        mSettings.putIntForUser(LOCK_SCREEN_ALLOW_PRIVATE_NOTIFICATIONS, 1,
-                mSecondaryUser.id);
-        changeSetting(LOCK_SCREEN_ALLOW_PRIVATE_NOTIFICATIONS);
-        changeSetting(LOCK_SCREEN_ALLOW_PRIVATE_NOTIFICATIONS);
-
-        // THEN the secondary profile notification still needs to be redacted because the current
-        // user's setting takes precedence
-        assertTrue(mLockscreenUserManager.needsRedaction(mSecondaryUserNotif));
-    }
-
-    @Test
-    public void testUserSwitchedCallsOnUserSwitching() {
-        mLockscreenUserManager.getUserTrackerCallbackForTest().onUserChanging(mSecondaryUser.id,
-                mContext);
-        verify(mPresenter, times(1)).onUserSwitched(mSecondaryUser.id);
-    }
-
-    @Test
-    public void testIsLockscreenPublicMode() {
-        assertFalse(mLockscreenUserManager.isLockscreenPublicMode(mCurrentUser.id));
-        mLockscreenUserManager.setLockscreenPublicMode(true, mCurrentUser.id);
-        assertTrue(mLockscreenUserManager.isLockscreenPublicMode(mCurrentUser.id));
-    }
-
-    @Test
-    public void testUpdateIsPublicMode() {
-        when(mKeyguardStateController.isMethodSecure()).thenReturn(true);
-
-        NotificationStateChangedListener listener = mock(NotificationStateChangedListener.class);
-        mLockscreenUserManager.addNotificationStateChangedListener(listener);
-        mLockscreenUserManager.mCurrentProfiles.append(0, mock(UserInfo.class));
-
-        // first call explicitly sets user 0 to not public; notifies
-        mLockscreenUserManager.updatePublicMode();
-        assertFalse(mLockscreenUserManager.isLockscreenPublicMode(0));
-        verify(listener).onNotificationStateChanged();
-        clearInvocations(listener);
-
-        // calling again has no changes; does not notify
-        mLockscreenUserManager.updatePublicMode();
-        assertFalse(mLockscreenUserManager.isLockscreenPublicMode(0));
-        verify(listener, never()).onNotificationStateChanged();
-
-        // Calling again with keyguard now showing makes user 0 public; notifies
-        when(mKeyguardStateController.isShowing()).thenReturn(true);
-        mLockscreenUserManager.updatePublicMode();
-        assertTrue(mLockscreenUserManager.isLockscreenPublicMode(0));
-        verify(listener).onNotificationStateChanged();
-        clearInvocations(listener);
-
-        // calling again has no changes; does not notify
-        mLockscreenUserManager.updatePublicMode();
-        assertTrue(mLockscreenUserManager.isLockscreenPublicMode(0));
-        verify(listener, never()).onNotificationStateChanged();
-    }
-
-    @Test
-    public void testDevicePolicyDoesNotAllowNotifications() {
-        // User allows them
-        mSettings.putIntForUser(LOCK_SCREEN_SHOW_NOTIFICATIONS, 1, mCurrentUser.id);
-        changeSetting(LOCK_SCREEN_SHOW_NOTIFICATIONS);
-
-        // DevicePolicy hides notifs on lockscreen
-        when(mDevicePolicyManager.getKeyguardDisabledFeatures(null, mCurrentUser.id))
-                .thenReturn(KEYGUARD_DISABLE_SECURE_NOTIFICATIONS);
-
-        BroadcastReceiver.PendingResult pr = new BroadcastReceiver.PendingResult(
-                0, null, null, 0, true, false, null, mCurrentUser.id, 0);
-        mLockscreenUserManager.mAllUsersReceiver.setPendingResult(pr);
-        mLockscreenUserManager.mAllUsersReceiver.onReceive(mContext,
-                new Intent(ACTION_DEVICE_POLICY_MANAGER_STATE_CHANGED));
-
-        assertFalse(mLockscreenUserManager.userAllowsNotificationsInPublic(mCurrentUser.id));
-    }
-
-    @Test
-    public void testDevicePolicyDoesNotAllowNotifications_secondary() {
-        Mockito.clearInvocations(mDevicePolicyManager);
-        // User allows notifications
-        mSettings.putIntForUser(LOCK_SCREEN_SHOW_NOTIFICATIONS, 1, mSecondaryUser.id);
-        changeSetting(LOCK_SCREEN_SHOW_NOTIFICATIONS);
-
-        // DevicePolicy hides notifications
-        when(mDevicePolicyManager.getKeyguardDisabledFeatures(null, mSecondaryUser.id))
-                .thenReturn(KEYGUARD_DISABLE_SECURE_NOTIFICATIONS);
-
-        BroadcastReceiver.PendingResult pr = new BroadcastReceiver.PendingResult(
-                0, null, null, 0, true, false, null, mSecondaryUser.id, 0);
-        mLockscreenUserManager.mAllUsersReceiver.setPendingResult(pr);
-        mLockscreenUserManager.mAllUsersReceiver.onReceive(mContext,
-                new Intent(ACTION_DEVICE_POLICY_MANAGER_STATE_CHANGED));
-
-        assertFalse(mLockscreenUserManager.userAllowsNotificationsInPublic(mSecondaryUser.id));
-    }
-
-    @Test
-    public void testDevicePolicy_noPrivateNotifications() {
-        Mockito.clearInvocations(mDevicePolicyManager);
-        // User allows notifications
-        mSettings.putIntForUser(LOCK_SCREEN_SHOW_NOTIFICATIONS, 1, mCurrentUser.id);
-        changeSetting(LOCK_SCREEN_SHOW_NOTIFICATIONS);
-
-        // DevicePolicy hides sensitive content
-        when(mDevicePolicyManager.getKeyguardDisabledFeatures(null, mCurrentUser.id))
-                .thenReturn(KEYGUARD_DISABLE_UNREDACTED_NOTIFICATIONS);
-
-        BroadcastReceiver.PendingResult pr = new BroadcastReceiver.PendingResult(
-                0, null, null, 0, true, false, null, mCurrentUser.id, 0);
-        mLockscreenUserManager.mAllUsersReceiver.setPendingResult(pr);
-        mLockscreenUserManager.mAllUsersReceiver.onReceive(mContext,
-                new Intent(ACTION_DEVICE_POLICY_MANAGER_STATE_CHANGED));
-
-        assertTrue(mLockscreenUserManager.needsRedaction(mCurrentUserNotif));
-    }
-
-    @Test
-    public void testDevicePolicy_noPrivateNotifications_userAll() {
-        // User allows notifications
-        mSettings.putIntForUser(LOCK_SCREEN_SHOW_NOTIFICATIONS, 1, mCurrentUser.id);
-        changeSetting(LOCK_SCREEN_SHOW_NOTIFICATIONS);
-
-        // DevicePolicy hides sensitive content
-        when(mDevicePolicyManager.getKeyguardDisabledFeatures(null, mCurrentUser.id))
-                .thenReturn(KEYGUARD_DISABLE_UNREDACTED_NOTIFICATIONS);
-
-        BroadcastReceiver.PendingResult pr = new BroadcastReceiver.PendingResult(
-                0, null, null, 0, true, false, null, mCurrentUser.id, 0);
-        mLockscreenUserManager.mAllUsersReceiver.setPendingResult(pr);
-        mLockscreenUserManager.mAllUsersReceiver.onReceive(mContext,
-                new Intent(ACTION_DEVICE_POLICY_MANAGER_STATE_CHANGED));
-
-        assertTrue(mLockscreenUserManager.needsRedaction(new NotificationEntryBuilder()
-                .setNotification(new Notification())
-                .setUser(UserHandle.ALL)
-                .build()));
-    }
-
-    @Test
-    public void testDevicePolicyPrivateNotifications_secondary() {
-        Mockito.clearInvocations(mDevicePolicyManager);
-        // User allows notifications
-        mSettings.putIntForUser(LOCK_SCREEN_SHOW_NOTIFICATIONS, 1, mSecondaryUser.id);
-        changeSetting(LOCK_SCREEN_SHOW_NOTIFICATIONS);
-
-        // DevicePolicy hides sensitive content
-        when(mDevicePolicyManager.getKeyguardDisabledFeatures(null, mSecondaryUser.id))
-                .thenReturn(KEYGUARD_DISABLE_UNREDACTED_NOTIFICATIONS);
-
-        BroadcastReceiver.PendingResult pr = new BroadcastReceiver.PendingResult(
-                0, null, null, 0, true, false, null, mSecondaryUser.id, 0);
-        mLockscreenUserManager.mAllUsersReceiver.setPendingResult(pr);
-        mLockscreenUserManager.mAllUsersReceiver.onReceive(mContext,
-                new Intent(ACTION_DEVICE_POLICY_MANAGER_STATE_CHANGED));
-
-        mLockscreenUserManager.mUserChangedCallback.onUserChanging(mSecondaryUser.id, mContext);
-        assertTrue(mLockscreenUserManager.needsRedaction(mSecondaryUserNotif));
-    }
-
-    @Test
-    public void testHideNotifications_primary() {
-        mSettings.putIntForUser(LOCK_SCREEN_SHOW_NOTIFICATIONS, 0, mCurrentUser.id);
-        changeSetting(LOCK_SCREEN_SHOW_NOTIFICATIONS);
-
-        assertFalse(mLockscreenUserManager.userAllowsNotificationsInPublic(mCurrentUser.id));
-    }
-
-    @Test
-    public void testHideNotifications_secondary() {
-        mSettings.putIntForUser(LOCK_SCREEN_SHOW_NOTIFICATIONS, 0, mSecondaryUser.id);
-        changeSetting(LOCK_SCREEN_SHOW_NOTIFICATIONS);
-
-        assertFalse(mLockscreenUserManager.userAllowsNotificationsInPublic(mSecondaryUser.id));
-    }
-
-    @Test
-    public void testHideNotifications_secondary_userSwitch() {
-        mSettings.putIntForUser(LOCK_SCREEN_SHOW_NOTIFICATIONS, 0, mSecondaryUser.id);
-        changeSetting(LOCK_SCREEN_SHOW_NOTIFICATIONS);
-
-        mLockscreenUserManager.mUserChangedCallback.onUserChanging(mSecondaryUser.id, mContext);
-
-        assertFalse(mLockscreenUserManager.userAllowsNotificationsInPublic(mSecondaryUser.id));
-    }
-
-    @Test
-    public void testShowNotifications_secondary_userSwitch() {
-        mSettings.putIntForUser(LOCK_SCREEN_SHOW_NOTIFICATIONS, 1, mSecondaryUser.id);
-        changeSetting(LOCK_SCREEN_SHOW_NOTIFICATIONS);
-
-        mLockscreenUserManager.mUserChangedCallback.onUserChanging(mSecondaryUser.id, mContext);
-
-        assertTrue(mLockscreenUserManager.userAllowsNotificationsInPublic(mSecondaryUser.id));
-    }
-
-    @Test
-    public void testUserAllowsNotificationsInPublic_keyguardManagerNoPrivateNotifications() {
-        // DevicePolicy allows notifications
-        when(mDevicePolicyManager.getKeyguardDisabledFeatures(null, mCurrentUser.id))
-                .thenReturn(0);
-        BroadcastReceiver.PendingResult pr = new BroadcastReceiver.PendingResult(
-                0, null, null, 0, true, false, null, mCurrentUser.id, 0);
-        mLockscreenUserManager.mAllUsersReceiver.setPendingResult(pr);
-        mLockscreenUserManager.mAllUsersReceiver.onReceive(mContext,
-                new Intent(ACTION_DEVICE_POLICY_MANAGER_STATE_CHANGED));
-
-        // KeyguardManager does not allow notifications
-        when(mKeyguardManager.getPrivateNotificationsAllowed()).thenReturn(false);
-
-        // User allows notifications
-        mSettings.putIntForUser(LOCK_SCREEN_SHOW_NOTIFICATIONS, 1, mCurrentUser.id);
-        // We shouldn't need to call this method, but getPrivateNotificationsAllowed has no
-        // callback, so it's only updated when the setting is
-        changeSetting(LOCK_SCREEN_SHOW_NOTIFICATIONS);
-
-        assertFalse(mLockscreenUserManager.userAllowsNotificationsInPublic(mCurrentUser.id));
-    }
-
-    @Test
-    public void testUserAllowsNotificationsInPublic_settingsChange() {
-        // User allows notifications
-        mSettings.putIntForUser(LOCK_SCREEN_SHOW_NOTIFICATIONS, 1, mCurrentUser.id);
-        changeSetting(LOCK_SCREEN_SHOW_NOTIFICATIONS);
-
-        assertTrue(mLockscreenUserManager.userAllowsNotificationsInPublic(mCurrentUser.id));
-
-        // User disables
-        mSettings.putIntForUser(LOCK_SCREEN_SHOW_NOTIFICATIONS, 0, mCurrentUser.id);
-        changeSetting(LOCK_SCREEN_SHOW_NOTIFICATIONS);
-
-        assertFalse(mLockscreenUserManager.userAllowsNotificationsInPublic(mCurrentUser.id));
-    }
-
-    private class TestNotificationLockscreenUserManager
-            extends NotificationLockscreenUserManagerImpl {
-        public TestNotificationLockscreenUserManager(Context context) {
-            super(
-                    context,
-                    mBroadcastDispatcher,
-                    mDevicePolicyManager,
-                    mUserManager,
-                    mUserTracker,
-                    (() -> mVisibilityProvider),
-                    (() -> mNotifCollection),
-                    mClickNotifier,
-                    (() -> mOverviewProxyService),
-                    NotificationLockscreenUserManagerMainThreadTest.this.mKeyguardManager,
-                    mStatusBarStateController,
-                    mMainExecutor,
-                    mBackgroundExecutor,
-                    mDeviceProvisionedController,
-                    mKeyguardStateController,
-                    mSettings,
-                    mock(DumpManager.class),
-                    mock(LockPatternUtils.class),
-                    mFakeFeatureFlags);
-        }
-
-        public BroadcastReceiver getBaseBroadcastReceiverForTest() {
-            return mBaseBroadcastReceiver;
-        }
-
-        public UserTracker.Callback getUserTrackerCallbackForTest() {
-            return mUserChangedCallback;
-        }
-
-        public ContentObserver getLockscreenSettingsObserverForTest() {
-            return mLockscreenSettingsObserver;
-        }
-
-        public ContentObserver getSettingsObserverForTest() {
-            return mSettingsObserver;
-        }
-    }
-}
diff --git a/packages/SystemUI/multivalentTests/src/com/android/systemui/statusbar/NotificationLockscreenUserManagerTest.java b/packages/SystemUI/multivalentTests/src/com/android/systemui/statusbar/NotificationLockscreenUserManagerTest.java
index bcc0710..d505b27 100644
--- a/packages/SystemUI/multivalentTests/src/com/android/systemui/statusbar/NotificationLockscreenUserManagerTest.java
+++ b/packages/SystemUI/multivalentTests/src/com/android/systemui/statusbar/NotificationLockscreenUserManagerTest.java
@@ -172,8 +172,6 @@
     public void setUp() {
         MockitoAnnotations.initMocks(this);
 
-        mFakeFeatureFlags.set(Flags.NOTIF_LS_BACKGROUND_THREAD, true);
-
         int currentUserId = ActivityManager.getCurrentUser();
         when(mUserTracker.getUserId()).thenReturn(currentUserId);
         mSettings = new FakeSettings();
diff --git a/packages/SystemUI/tests/src/com/android/systemui/statusbar/policy/BaseHeadsUpManagerTest.java b/packages/SystemUI/multivalentTests/src/com/android/systemui/statusbar/policy/BaseHeadsUpManagerTest.java
similarity index 99%
rename from packages/SystemUI/tests/src/com/android/systemui/statusbar/policy/BaseHeadsUpManagerTest.java
rename to packages/SystemUI/multivalentTests/src/com/android/systemui/statusbar/policy/BaseHeadsUpManagerTest.java
index 4c824c0..87d25dd 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/statusbar/policy/BaseHeadsUpManagerTest.java
+++ b/packages/SystemUI/multivalentTests/src/com/android/systemui/statusbar/policy/BaseHeadsUpManagerTest.java
@@ -46,12 +46,12 @@
 import android.graphics.Region;
 import android.os.UserHandle;
 import android.service.notification.StatusBarNotification;
-import android.testing.AndroidTestingRunner;
 import android.testing.TestableLooper;
 
 import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
 import androidx.test.filters.SmallTest;
+import androidx.test.ext.junit.runners.AndroidJUnit4;
 
 import com.android.internal.logging.UiEventLogger;
 import com.android.internal.logging.testing.UiEventLoggerFake;
@@ -75,8 +75,8 @@
 import org.mockito.junit.MockitoRule;
 
 @SmallTest
-@RunWith(AndroidTestingRunner.class)
 @TestableLooper.RunWithLooper
+@RunWith(AndroidJUnit4.class)
 public class BaseHeadsUpManagerTest extends SysuiTestCase {
     @Rule
     public MockitoRule rule = MockitoJUnit.rule();
diff --git a/packages/SystemUI/src/com/android/keyguard/KeyguardSliceViewController.java b/packages/SystemUI/src/com/android/keyguard/KeyguardSliceViewController.java
index a9928d8..63088aa 100644
--- a/packages/SystemUI/src/com/android/keyguard/KeyguardSliceViewController.java
+++ b/packages/SystemUI/src/com/android/keyguard/KeyguardSliceViewController.java
@@ -20,6 +20,7 @@
 
 import android.app.PendingIntent;
 import android.net.Uri;
+import android.os.Handler;
 import android.os.Trace;
 import android.provider.Settings;
 import android.util.Log;
@@ -39,6 +40,9 @@
 
 import com.android.keyguard.dagger.KeyguardStatusViewScope;
 import com.android.systemui.Dumpable;
+import com.android.systemui.Flags;
+import com.android.systemui.dagger.qualifiers.Background;
+import com.android.systemui.dagger.qualifiers.Main;
 import com.android.systemui.dump.DumpManager;
 import com.android.systemui.keyguard.KeyguardSliceProvider;
 import com.android.systemui.plugins.ActivityStarter;
@@ -60,6 +64,8 @@
         Dumpable {
     private static final String TAG = "KeyguardSliceViewCtrl";
 
+    private final Handler mHandler;
+    private final Handler mBgHandler;
     private final ActivityStarter mActivityStarter;
     private final ConfigurationController mConfigurationController;
     private final TunerService mTunerService;
@@ -105,6 +111,8 @@
 
     @Inject
     public KeyguardSliceViewController(
+            @Main Handler handler,
+            @Background Handler bgHandler,
             KeyguardSliceView keyguardSliceView,
             ActivityStarter activityStarter,
             ConfigurationController configurationController,
@@ -112,6 +120,8 @@
             DumpManager dumpManager,
             DisplayTracker displayTracker) {
         super(keyguardSliceView);
+        mHandler = handler;
+        mBgHandler = bgHandler;
         mActivityStarter = activityStarter;
         mConfigurationController = configurationController;
         mTunerService = tunerService;
@@ -182,24 +192,34 @@
      * Update contents of the view.
      */
     public void refresh() {
-        Slice slice;
+
         Trace.beginSection("KeyguardSliceViewController#refresh");
-        // We can optimize performance and avoid binder calls when we know that we're bound
-        // to a Slice on the same process.
-        if (KeyguardSliceProvider.KEYGUARD_SLICE_URI.equals(mKeyguardSliceUri.toString())) {
-            KeyguardSliceProvider instance = KeyguardSliceProvider.getAttachedInstance();
-            if (instance != null) {
-                slice = instance.onBindSlice(mKeyguardSliceUri);
+        try {
+            Slice slice;
+            if (KeyguardSliceProvider.KEYGUARD_SLICE_URI.equals(mKeyguardSliceUri.toString())) {
+                KeyguardSliceProvider instance = KeyguardSliceProvider.getAttachedInstance();
+                if (instance != null) {
+                    if (Flags.sliceManagerBinderCallBackground()) {
+                        mBgHandler.post(() -> {
+                            Slice _slice = instance.onBindSlice(mKeyguardSliceUri);
+                            mHandler.post(() -> mObserver.onChanged(_slice));
+                        });
+                        return;
+                    }
+                    slice = instance.onBindSlice(mKeyguardSliceUri);
+                } else {
+                    Log.w(TAG, "Keyguard slice not bound yet?");
+                    slice = null;
+                }
             } else {
-                Log.w(TAG, "Keyguard slice not bound yet?");
-                slice = null;
+                // TODO: Make SliceViewManager injectable
+                slice = SliceViewManager.getInstance(mView.getContext()).bindSlice(
+                        mKeyguardSliceUri);
             }
-        } else {
-            // TODO: Make SliceViewManager injectable
-            slice = SliceViewManager.getInstance(mView.getContext()).bindSlice(mKeyguardSliceUri);
+            mObserver.onChanged(slice);
+        } finally {
+            Trace.endSection();
         }
-        mObserver.onChanged(slice);
-        Trace.endSection();
     }
 
     void showSlice(Slice slice) {
diff --git a/packages/SystemUI/src/com/android/systemui/flags/Flags.kt b/packages/SystemUI/src/com/android/systemui/flags/Flags.kt
index 6eff792..56162ae 100644
--- a/packages/SystemUI/src/com/android/systemui/flags/Flags.kt
+++ b/packages/SystemUI/src/com/android/systemui/flags/Flags.kt
@@ -102,11 +102,6 @@
             default = true
         )
 
-    // TODO(b/301955929)
-    @JvmField
-    val NOTIF_LS_BACKGROUND_THREAD =
-            releasedFlag("notification_lockscreen_mgr_bg_thread")
-
     // 200 - keyguard/lockscreen
     // ** Flag retired **
     // public static final BooleanFlag KEYGUARD_LAYOUT =
diff --git a/packages/SystemUI/src/com/android/systemui/keyboard/stickykeys/shared/model/StickyKey.kt b/packages/SystemUI/src/com/android/systemui/keyboard/stickykeys/shared/model/StickyKey.kt
index 72a81cb..0f1cc99 100644
--- a/packages/SystemUI/src/com/android/systemui/keyboard/stickykeys/shared/model/StickyKey.kt
+++ b/packages/SystemUI/src/com/android/systemui/keyboard/stickykeys/shared/model/StickyKey.kt
@@ -20,8 +20,8 @@
 value class Locked(val locked: Boolean)
 
 enum class ModifierKey(val displayedText: String) {
-    ALT("ALT LEFT"),
-    ALT_GR("ALT RIGHT"),
+    ALT("ALT"),
+    ALT_GR("ALT"),
     CTRL("CTRL"),
     META("ACTION"),
     SHIFT("SHIFT"),
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/CommandQueue.java b/packages/SystemUI/src/com/android/systemui/statusbar/CommandQueue.java
index ffb11dd..ca19f71 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/CommandQueue.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/CommandQueue.java
@@ -177,6 +177,7 @@
     private static final int MSG_CONFIRM_IMMERSIVE_PROMPT = 77 << MSG_SHIFT;
     private static final int MSG_IMMERSIVE_CHANGED = 78 << MSG_SHIFT;
     private static final int MSG_SET_QS_TILES = 79 << MSG_SHIFT;
+    private static final int MSG_ENTER_DESKTOP = 80 << MSG_SHIFT;
     public static final int FLAG_EXCLUDE_NONE = 0;
     public static final int FLAG_EXCLUDE_SEARCH_PANEL = 1 << 0;
     public static final int FLAG_EXCLUDE_RECENTS_PANEL = 1 << 1;
@@ -520,6 +521,11 @@
          * @see IStatusBar#immersiveModeChanged
          */
         default void immersiveModeChanged(int rootDisplayAreaId, boolean isImmersiveMode) {}
+
+        /**
+         * @see IStatusBar#enterDesktop(int)
+         */
+        default void enterDesktop(int displayId) {}
     }
 
     @VisibleForTesting
@@ -1420,6 +1426,13 @@
         mHandler.obtainMessage(MSG_GO_TO_FULLSCREEN_FROM_SPLIT).sendToTarget();
     }
 
+    @Override
+    public void enterDesktop(int displayId) {
+        SomeArgs args = SomeArgs.obtain();
+        args.arg1 = displayId;
+        mHandler.obtainMessage(MSG_ENTER_DESKTOP, args).sendToTarget();
+    }
+
     private final class H extends Handler {
         private H(Looper l) {
             super(l);
@@ -1914,6 +1927,13 @@
                         mCallbacks.get(i).immersiveModeChanged(rootDisplayAreaId, isImmersiveMode);
                     }
                     break;
+                case MSG_ENTER_DESKTOP:
+                    args = (SomeArgs) msg.obj;
+                    int displayId = args.argi1;
+                    for (int i = 0; i < mCallbacks.size(); i++) {
+                        mCallbacks.get(i).enterDesktop(displayId);
+                    }
+                    break;
             }
         }
     }
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/NotificationLockscreenUserManagerImpl.java b/packages/SystemUI/src/com/android/systemui/statusbar/NotificationLockscreenUserManagerImpl.java
index 9916ef6..1a06eec 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/NotificationLockscreenUserManagerImpl.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/NotificationLockscreenUserManagerImpl.java
@@ -156,14 +156,12 @@
             final String action = intent.getAction();
 
             if (ACTION_KEYGUARD_PRIVATE_NOTIFICATIONS_CHANGED.equals(action)) {
-                if (mFeatureFlags.isEnabled(Flags.NOTIF_LS_BACKGROUND_THREAD)) {
-                    mKeyguardAllowingNotifications =
-                            intent.getBooleanExtra(EXTRA_KM_PRIVATE_NOTIFS_ALLOWED, false);
-                    if (mCurrentUserId == getSendingUserId()) {
-                        boolean changed = updateLockscreenNotificationSetting();
-                        if (changed) {
-                            notifyNotificationStateChanged();
-                        }
+                mKeyguardAllowingNotifications =
+                        intent.getBooleanExtra(EXTRA_KM_PRIVATE_NOTIFS_ALLOWED, false);
+                if (mCurrentUserId == getSendingUserId()) {
+                    boolean changed = updateLockscreenNotificationSetting();
+                    if (changed) {
+                        notifyNotificationStateChanged();
                     }
                 }
             }
@@ -176,36 +174,26 @@
             final String action = intent.getAction();
 
             if (ACTION_DEVICE_POLICY_MANAGER_STATE_CHANGED.equals(action)) {
-                if (mFeatureFlags.isEnabled(Flags.NOTIF_LS_BACKGROUND_THREAD)) {
-                    boolean changed = false;
-                    int sendingUserId = getSendingUserId();
-                    if (sendingUserId == USER_ALL) {
-                        // When a Device Owner triggers changes it's sent as USER_ALL. Normalize
-                        // the user before calling into DPM
-                        sendingUserId = mCurrentUserId;
-                        @SuppressLint("MissingPermission")
-                        List<UserInfo> users = mUserManager.getUsers();
-                        for (int i = users.size() - 1; i >= 0; i--) {
-                            changed |= updateDpcSettings(users.get(i).id);
-                        }
-                    } else {
-                        changed |= updateDpcSettings(sendingUserId);
-                    }
-
-                    if (mCurrentUserId == sendingUserId) {
-                        changed |= updateLockscreenNotificationSetting();
-                    }
-                    if (changed) {
-                        notifyNotificationStateChanged();
+                boolean changed = false;
+                int sendingUserId = getSendingUserId();
+                if (sendingUserId == USER_ALL) {
+                    // When a Device Owner triggers changes it's sent as USER_ALL. Normalize
+                    // the user before calling into DPM
+                    sendingUserId = mCurrentUserId;
+                    @SuppressLint("MissingPermission")
+                    List<UserInfo> users = mUserManager.getUsers();
+                    for (int i = users.size() - 1; i >= 0; i--) {
+                        changed |= updateDpcSettings(users.get(i).id);
                     }
                 } else {
-                    if (isCurrentProfile(getSendingUserId())) {
-                        mUsersAllowingPrivateNotifications.clear();
-                        updateLockscreenNotificationSetting();
-                        // TODO(b/231976036): Consolidate pipeline invalidations related to this
-                        //  event
-                        // notifyNotificationStateChanged();
-                    }
+                    changed |= updateDpcSettings(sendingUserId);
+                }
+
+                if (mCurrentUserId == sendingUserId) {
+                    changed |= updateLockscreenNotificationSetting();
+                }
+                if (changed) {
+                    notifyNotificationStateChanged();
                 }
             }
         }
@@ -225,12 +213,10 @@
                 updateCurrentProfilesCache();
             } else if (Objects.equals(action, Intent.ACTION_USER_ADDED)){
                 updateCurrentProfilesCache();
-                if (mFeatureFlags.isEnabled(Flags.NOTIF_LS_BACKGROUND_THREAD)) {
-                    final int userId = intent.getIntExtra(Intent.EXTRA_USER_HANDLE, USER_NULL);
-                    mBackgroundExecutor.execute(() -> {
-                        initValuesForUser(userId);
-                    });
-                }
+                final int userId = intent.getIntExtra(Intent.EXTRA_USER_HANDLE, USER_NULL);
+                mBackgroundExecutor.execute(() -> {
+                    initValuesForUser(userId);
+                });
             } else if (profileAvailabilityActions(action)) {
                 updateCurrentProfilesCache();
             } else if (Objects.equals(action, Intent.ACTION_USER_UNLOCKED)) {
@@ -360,28 +346,16 @@
     }
 
     private void init() {
-        mLockscreenSettingsObserver = new ExecutorContentObserver(
-                mFeatureFlags.isEnabled(Flags.NOTIF_LS_BACKGROUND_THREAD)
-                        ? mBackgroundExecutor
-                        : mMainExecutor) {
+        mLockscreenSettingsObserver = new ExecutorContentObserver(mBackgroundExecutor) {
 
             @Override
             public void onChange(boolean selfChange, Collection<Uri> uris, int flags) {
-                if (mFeatureFlags.isEnabled(Flags.NOTIF_LS_BACKGROUND_THREAD)) {
-                    @SuppressLint("MissingPermission")
-                    List<UserInfo> users = mUserManager.getUsers();
-                    for (int i = users.size() - 1; i >= 0; i--) {
-                        onChange(selfChange, uris, flags,users.get(i).getUserHandle());
-                    }
-                } else {
-                    // We don't know which user changed LOCK_SCREEN_ALLOW_PRIVATE_NOTIFICATIONS or
-                    // LOCK_SCREEN_SHOW_NOTIFICATIONS, so we just dump our cache ...
-                    mUsersAllowingPrivateNotifications.clear();
-                    mUsersAllowingNotifications.clear();
-                    // ... and refresh all the notifications
-                    updateLockscreenNotificationSetting();
-                    notifyNotificationStateChanged();
+                @SuppressLint("MissingPermission")
+                List<UserInfo> users = mUserManager.getUsers();
+                for (int i = users.size() - 1; i >= 0; i--) {
+                    onChange(selfChange, uris, flags,users.get(i).getUserHandle());
                 }
+
             }
 
             // Note: even though this is an override, this method is not called by the OS
@@ -390,22 +364,20 @@
             @Override
             public void onChange(boolean selfChange, Collection<Uri> uris,
                     int flags, UserHandle user) {
-                if (mFeatureFlags.isEnabled(Flags.NOTIF_LS_BACKGROUND_THREAD)) {
-                    boolean changed = false;
-                    for (Uri uri: uris) {
-                        if (SHOW_LOCKSCREEN.equals(uri)) {
-                            changed |= updateUserShowSettings(user.getIdentifier());
-                        } else if (SHOW_PRIVATE_LOCKSCREEN.equals(uri)) {
-                            changed |= updateUserShowPrivateSettings(user.getIdentifier());
-                        }
+                boolean changed = false;
+                for (Uri uri: uris) {
+                    if (SHOW_LOCKSCREEN.equals(uri)) {
+                        changed |= updateUserShowSettings(user.getIdentifier());
+                    } else if (SHOW_PRIVATE_LOCKSCREEN.equals(uri)) {
+                        changed |= updateUserShowPrivateSettings(user.getIdentifier());
                     }
+                }
 
-                    if (mCurrentUserId == user.getIdentifier()) {
-                        changed |= updateLockscreenNotificationSetting();
-                    }
-                    if (changed) {
-                        notifyNotificationStateChanged();
-                    }
+                if (mCurrentUserId == user.getIdentifier()) {
+                    changed |= updateLockscreenNotificationSetting();
+                }
+                if (changed) {
+                    notifyNotificationStateChanged();
                 }
             }
         };
@@ -432,16 +404,10 @@
                 mLockscreenSettingsObserver,
                 USER_ALL);
 
-        if (!mFeatureFlags.isEnabled(Flags.NOTIF_LS_BACKGROUND_THREAD)) {
-            mContext.getContentResolver().registerContentObserver(
-                    Settings.Global.getUriFor(Settings.Global.ZEN_MODE), false,
-                    mSettingsObserver);
-        }
 
         mBroadcastDispatcher.registerReceiver(mAllUsersReceiver,
                 new IntentFilter(ACTION_DEVICE_POLICY_MANAGER_STATE_CHANGED),
-                mFeatureFlags.isEnabled(Flags.NOTIF_LS_BACKGROUND_THREAD)
-                        ? mBackgroundExecutor : null, UserHandle.ALL);
+                mBackgroundExecutor, UserHandle.ALL);
         if (keyguardPrivateNotifications()) {
             mBroadcastDispatcher.registerReceiver(mKeyguardReceiver,
                     new IntentFilter(ACTION_KEYGUARD_PRIVATE_NOTIFICATIONS_CHANGED),
@@ -471,17 +437,13 @@
         mCurrentUserId = mUserTracker.getUserId(); // in case we reg'd receiver too late
         updateCurrentProfilesCache();
 
-        if (mFeatureFlags.isEnabled(Flags.NOTIF_LS_BACKGROUND_THREAD)) {
-            // Set  up
-            mBackgroundExecutor.execute(() -> {
-                @SuppressLint("MissingPermission") List<UserInfo> users = mUserManager.getUsers();
-                for (int i = users.size() - 1; i >= 0; i--) {
-                    initValuesForUser(users.get(i).id);
-                }
-            });
-        } else {
-            mSettingsObserver.onChange(false);  // set up
-        }
+        // Set  up
+        mBackgroundExecutor.execute(() -> {
+            @SuppressLint("MissingPermission") List<UserInfo> users = mUserManager.getUsers();
+            for (int i = users.size() - 1; i >= 0; i--) {
+                initValuesForUser(users.get(i).id);
+            }
+        });
     }
 
     private void initValuesForUser(@UserIdInt int userId) {
@@ -519,26 +481,15 @@
         boolean show;
         boolean allowedByDpm;
 
-        if (mFeatureFlags.isEnabled(Flags.NOTIF_LS_BACKGROUND_THREAD)) {
-            if (keyguardPrivateNotifications()) {
-                show = mUsersUsersAllowingNotifications.get(mCurrentUserId);
-            } else {
-                show = mUsersUsersAllowingNotifications.get(mCurrentUserId)
-                        && mKeyguardAllowingNotifications;
-            }
-            // If DPC never notified us about a user, that means they have no policy for the user,
-            // and they allow the behavior
-            allowedByDpm = mUsersDpcAllowingNotifications.get(mCurrentUserId, true);
+        if (keyguardPrivateNotifications()) {
+            show = mUsersUsersAllowingNotifications.get(mCurrentUserId);
         } else {
-            show = mSecureSettings.getIntForUser(
-                    LOCK_SCREEN_SHOW_NOTIFICATIONS,
-                    1,
-                    mCurrentUserId) != 0;
-            final int dpmFlags = mDevicePolicyManager.getKeyguardDisabledFeatures(
-                    null /* admin */, mCurrentUserId);
-            allowedByDpm = (dpmFlags
-                    & KEYGUARD_DISABLE_SECURE_NOTIFICATIONS) == 0;
+            show = mUsersUsersAllowingNotifications.get(mCurrentUserId)
+                    && mKeyguardAllowingNotifications;
         }
+        // If DPC never notified us about a user, that means they have no policy for the user,
+        // and they allow the behavior
+        allowedByDpm = mUsersDpcAllowingNotifications.get(mCurrentUserId, true);
 
         final boolean oldValue = mShowLockscreenNotifications;
         setShowLockscreenNotifications(show && allowedByDpm);
@@ -600,42 +551,24 @@
      * when the lockscreen is in "public" (secure & locked) mode?
      */
     public boolean userAllowsPrivateNotificationsInPublic(int userHandle) {
-        if (mFeatureFlags.isEnabled(Flags.NOTIF_LS_BACKGROUND_THREAD)) {
-            if (userHandle == USER_ALL) {
-                userHandle = mCurrentUserId;
-            }
-            if (mUsersUsersAllowingPrivateNotifications.indexOfKey(userHandle) < 0) {
-                Log.i(TAG, "Asking for redact notifs setting too early", new Throwable());
-                return false;
-            }
-            if (mUsersDpcAllowingPrivateNotifications.indexOfKey(userHandle) < 0) {
-                Log.i(TAG, "Asking for redact notifs dpm override too early", new Throwable());
-                return false;
-            }
-            if (keyguardPrivateNotifications()) {
-                return mUsersUsersAllowingPrivateNotifications.get(userHandle)
-                        && mUsersDpcAllowingPrivateNotifications.get(userHandle)
-                        && mKeyguardAllowingNotifications;
-            } else {
-                return mUsersUsersAllowingPrivateNotifications.get(userHandle)
-                        && mUsersDpcAllowingPrivateNotifications.get(userHandle);
-            }
+        if (userHandle == USER_ALL) {
+            userHandle = mCurrentUserId;
+        }
+        if (mUsersUsersAllowingPrivateNotifications.indexOfKey(userHandle) < 0) {
+            Log.i(TAG, "Asking for redact notifs setting too early", new Throwable());
+            return false;
+        }
+        if (mUsersDpcAllowingPrivateNotifications.indexOfKey(userHandle) < 0) {
+            Log.i(TAG, "Asking for redact notifs dpm override too early", new Throwable());
+            return false;
+        }
+        if (keyguardPrivateNotifications()) {
+            return mUsersUsersAllowingPrivateNotifications.get(userHandle)
+                    && mUsersDpcAllowingPrivateNotifications.get(userHandle)
+                    && mKeyguardAllowingNotifications;
         } else {
-            if (userHandle == USER_ALL) {
-                return true;
-            }
-
-            if (mUsersAllowingPrivateNotifications.indexOfKey(userHandle) < 0) {
-                final boolean allowedByUser = 0 != mSecureSettings.getIntForUser(
-                        LOCK_SCREEN_ALLOW_PRIVATE_NOTIFICATIONS, 0, userHandle);
-                final boolean allowedByDpm = adminAllowsKeyguardFeature(userHandle,
-                        KEYGUARD_DISABLE_UNREDACTED_NOTIFICATIONS);
-                final boolean allowed = allowedByUser && allowedByDpm;
-                mUsersAllowingPrivateNotifications.append(userHandle, allowed);
-                return allowed;
-            }
-
-            return mUsersAllowingPrivateNotifications.get(userHandle);
+            return mUsersUsersAllowingPrivateNotifications.get(userHandle)
+                    && mUsersDpcAllowingPrivateNotifications.get(userHandle);
         }
     }
 
@@ -688,48 +621,30 @@
      * "public" (secure & locked) mode?
      */
     public boolean userAllowsNotificationsInPublic(int userHandle) {
-        if (mFeatureFlags.isEnabled(Flags.NOTIF_LS_BACKGROUND_THREAD)) {
-            // Unlike 'show private', settings does not show a copy of this setting for each
-            // profile, so it inherits from the parent user.
-            if (userHandle == USER_ALL || mCurrentManagedProfiles.contains(userHandle)) {
-                userHandle = mCurrentUserId;
-            }
-            if (mUsersUsersAllowingNotifications.indexOfKey(userHandle) < 0) {
-                // TODO(b/301955929): STOP_SHIP (stop flag flip): remove this read and use a safe
-                // default value before moving to 'released'
-                Log.wtf(TAG, "Asking for show notifs setting too early", new Throwable());
-                updateUserShowSettings(userHandle);
-            }
-            if (mUsersDpcAllowingNotifications.indexOfKey(userHandle) < 0) {
-                // TODO(b/301955929): STOP_SHIP (stop flag flip): remove this read and use a safe
-                // default value before moving to 'released'
-                Log.wtf(TAG, "Asking for show notifs dpm override too early", new Throwable());
-                updateDpcSettings(userHandle);
-            }
-            if (keyguardPrivateNotifications()) {
-                return mUsersUsersAllowingNotifications.get(userHandle)
-                        && mUsersDpcAllowingNotifications.get(userHandle);
-            } else {
-                return mUsersUsersAllowingNotifications.get(userHandle)
-                        && mUsersDpcAllowingNotifications.get(userHandle)
-                        && mKeyguardAllowingNotifications;
-            }
+        // Unlike 'show private', settings does not show a copy of this setting for each
+        // profile, so it inherits from the parent user.
+        if (userHandle == USER_ALL || mCurrentManagedProfiles.contains(userHandle)) {
+            userHandle = mCurrentUserId;
+        }
+        if (mUsersUsersAllowingNotifications.indexOfKey(userHandle) < 0) {
+            // TODO(b/301955929): STOP_SHIP (stop flag flip): remove this read and use a safe
+            // default value before moving to 'released'
+            Log.wtf(TAG, "Asking for show notifs setting too early", new Throwable());
+            updateUserShowSettings(userHandle);
+        }
+        if (mUsersDpcAllowingNotifications.indexOfKey(userHandle) < 0) {
+            // TODO(b/301955929): STOP_SHIP (stop flag flip): remove this read and use a safe
+            // default value before moving to 'released'
+            Log.wtf(TAG, "Asking for show notifs dpm override too early", new Throwable());
+            updateDpcSettings(userHandle);
+        }
+        if (keyguardPrivateNotifications()) {
+            return mUsersUsersAllowingNotifications.get(userHandle)
+                    && mUsersDpcAllowingNotifications.get(userHandle);
         } else {
-            if (isCurrentProfile(userHandle) && userHandle != mCurrentUserId) {
-                return true;
-            }
-
-            if (mUsersAllowingNotifications.indexOfKey(userHandle) < 0) {
-                final boolean allowedByUser = 0 != mSecureSettings.getIntForUser(
-                        LOCK_SCREEN_SHOW_NOTIFICATIONS, 0, userHandle);
-                final boolean allowedByDpm = adminAllowsKeyguardFeature(userHandle,
-                        KEYGUARD_DISABLE_SECURE_NOTIFICATIONS);
-                final boolean allowedBySystem = mKeyguardManager.getPrivateNotificationsAllowed();
-                final boolean allowed = allowedByUser && allowedByDpm && allowedBySystem;
-                mUsersAllowingNotifications.append(userHandle, allowed);
-                return allowed;
-            }
-            return mUsersAllowingNotifications.get(userHandle);
+            return mUsersUsersAllowingNotifications.get(userHandle)
+                    && mUsersDpcAllowingNotifications.get(userHandle)
+                    && mKeyguardAllowingNotifications;
         }
     }
 
@@ -766,13 +681,7 @@
             return true;
         }
         NotificationEntry entry = mCommonNotifCollectionLazy.get().getEntry(key);
-        if (mFeatureFlags.isEnabled(Flags.NOTIF_LS_BACKGROUND_THREAD)) {
-            return entry != null && entry.isChannelVisibilityPrivate();
-        } else {
-            return entry != null
-                    && entry.getRanking().getLockscreenVisibilityOverride()
-                    == Notification.VISIBILITY_PRIVATE;
-        }
+        return entry != null && entry.isChannelVisibilityPrivate();
     }
 
     @SuppressLint("MissingPermission")
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/data/repository/StatusBarModePerDisplayRepository.kt b/packages/SystemUI/src/com/android/systemui/statusbar/data/repository/StatusBarModePerDisplayRepository.kt
index 6429815..11636bd 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/data/repository/StatusBarModePerDisplayRepository.kt
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/data/repository/StatusBarModePerDisplayRepository.kt
@@ -17,6 +17,8 @@
 package com.android.systemui.statusbar.data.repository
 
 import android.graphics.Rect
+import android.view.InsetsFlags
+import android.view.ViewDebug
 import android.view.WindowInsets
 import android.view.WindowInsetsController
 import android.view.WindowInsetsController.APPEARANCE_LOW_PROFILE_BARS
@@ -305,8 +307,8 @@
         letterboxDetails.isNotEmpty()
 
     override fun dump(pw: PrintWriter, args: Array<out String>) {
-        pw.println("originalStatusBarAttributes: ${_originalStatusBarAttributes.value}")
-        pw.println("modifiedStatusBarAttributes: ${modifiedStatusBarAttributes.value}")
+        pw.println("${_originalStatusBarAttributes.value}")
+        pw.println("${modifiedStatusBarAttributes.value}")
         pw.println("statusBarMode: ${statusBarMode.value}")
     }
 
@@ -320,7 +322,20 @@
         val navbarColorManagedByIme: Boolean,
         @WindowInsets.Type.InsetsType val requestedVisibleTypes: Int,
         val letterboxDetails: List<LetterboxDetails>,
-    )
+    ) {
+        override fun toString(): String {
+            return """
+                StatusBarAttributes(
+                    appearance=${appearance.toAppearanceString()},
+                    appearanceRegions=$appearanceRegions,
+                    navbarColorManagedByIme=$navbarColorManagedByIme,
+                    requestedVisibleTypes=${requestedVisibleTypes.toWindowInsetsString()},
+                    letterboxDetails=$letterboxDetails
+                    )
+                    """
+                .trimIndent()
+        }
+    }
 
     /**
      * Internal class keeping track of how [StatusBarAttributes] were transformed into new
@@ -331,9 +346,31 @@
         val appearanceRegions: List<AppearanceRegion>,
         val navbarColorManagedByIme: Boolean,
         val statusBarBounds: BoundsPair,
-    )
+    ) {
+        override fun toString(): String {
+            return """
+                ModifiedStatusBarAttributes(
+                    appearance=${appearance.toAppearanceString()},
+                    appearanceRegions=$appearanceRegions,
+                    navbarColorManagedByIme=$navbarColorManagedByIme,
+                    statusBarBounds=$statusBarBounds
+                    )
+                    """
+                .trimIndent()
+        }
+    }
 }
 
+private fun @receiver:WindowInsets.Type.InsetsType Int.toWindowInsetsString() =
+    "[${WindowInsets.Type.toString(this).replace(" ", ", ")}]"
+
+private fun @receiver:Appearance Int.toAppearanceString() =
+    if (this == 0) {
+        "NONE"
+    } else {
+        ViewDebug.flagsToString(InsetsFlags::class.java, "appearance", this)
+    }
+
 @AssistedFactory
 interface StatusBarModePerDisplayRepositoryFactory {
     fun create(@Assisted("displayId") displayId: Int): StatusBarModePerDisplayRepositoryImpl
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/notification/ColorUpdateLogger.kt b/packages/SystemUI/src/com/android/systemui/statusbar/notification/ColorUpdateLogger.kt
index c8f996a..c416d43 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/notification/ColorUpdateLogger.kt
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/notification/ColorUpdateLogger.kt
@@ -60,7 +60,7 @@
         val didAppend = frames.lastOrNull()?.tryAddTrigger(event) == true
         if (!didAppend) {
             frames.add(Frame(event))
-            if (frames.size > maxFrames) frames.removeFirst()
+            if (frames.size > maxFrames) frames.removeAt(0)
         }
     }
 
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/notification/footer/ui/viewbinder/FooterViewBinder.kt b/packages/SystemUI/src/com/android/systemui/statusbar/notification/footer/ui/viewbinder/FooterViewBinder.kt
index 9fb453a..65ab4fd 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/notification/footer/ui/viewbinder/FooterViewBinder.kt
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/notification/footer/ui/viewbinder/FooterViewBinder.kt
@@ -136,7 +136,7 @@
         }
 
         launch {
-            viewModel.clearAllButton.accessibilityDescriptionId.collect { textId ->
+            viewModel.manageOrHistoryButton.accessibilityDescriptionId.collect { textId ->
                 footer.setManageOrHistoryButtonDescription(textId)
             }
         }
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/notification/interruption/KeyguardNotificationVisibilityProvider.kt b/packages/SystemUI/src/com/android/systemui/statusbar/notification/interruption/KeyguardNotificationVisibilityProvider.kt
index d7fe36f..332ece4 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/notification/interruption/KeyguardNotificationVisibilityProvider.kt
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/notification/interruption/KeyguardNotificationVisibilityProvider.kt
@@ -219,15 +219,11 @@
     }
 
     private fun isRankingVisibilitySecret(entry: NotificationEntry): Boolean {
-        return if (featureFlags.isEnabled(Flags.NOTIF_LS_BACKGROUND_THREAD)) {
-            // ranking.lockscreenVisibilityOverride contains possibly out of date DPC and Setting
-            // info, and NotificationLockscreenUserManagerImpl is already listening for updates
-            // to those
-            entry.ranking.channel != null && entry.ranking.channel.lockscreenVisibility ==
+        // ranking.lockscreenVisibilityOverride contains possibly out of date DPC and Setting
+        // info, and NotificationLockscreenUserManagerImpl is already listening for updates
+        // to those
+        return entry.ranking.channel != null && entry.ranking.channel.lockscreenVisibility ==
                     VISIBILITY_SECRET
-        } else {
-            entry.ranking.lockscreenVisibilityOverride == VISIBILITY_SECRET
-        }
     }
 
     override fun dump(pw: PrintWriter, args: Array<out String>) = pw.asIndenting().run {
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/policy/BaseHeadsUpManager.java b/packages/SystemUI/src/com/android/systemui/statusbar/policy/BaseHeadsUpManager.java
index 1414150..2c1780d 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/policy/BaseHeadsUpManager.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/policy/BaseHeadsUpManager.java
@@ -158,7 +158,15 @@
     @Override
     public void showNotification(@NonNull NotificationEntry entry) {
         mLogger.logShowNotification(entry);
-        addEntry(entry);
+
+        // Add new entry and begin managing it
+        HeadsUpEntry headsUpEntry = createHeadsUpEntry();
+        headsUpEntry.setEntry(entry);
+        mHeadsUpEntryMap.put(entry.getKey(), headsUpEntry);
+        onEntryAdded(headsUpEntry);
+        entry.sendAccessibilityEvent(AccessibilityEvent.TYPE_WINDOW_CONTENT_CHANGED);
+        entry.setIsHeadsUpEntry(true);
+
         updateNotification(entry.getKey(), true /* shouldHeadsUpAgain */);
         entry.setInterruption();
     }
@@ -319,19 +327,6 @@
     }
 
     /**
-     * Add a new entry and begin managing it.
-     * @param entry the entry to add
-     */
-    protected final void addEntry(@NonNull NotificationEntry entry) {
-        HeadsUpEntry headsUpEntry = createHeadsUpEntry();
-        headsUpEntry.setEntry(entry);
-        mHeadsUpEntryMap.put(entry.getKey(), headsUpEntry);
-        onEntryAdded(headsUpEntry);
-        entry.sendAccessibilityEvent(AccessibilityEvent.TYPE_WINDOW_CONTENT_CHANGED);
-        entry.setIsHeadsUpEntry(true);
-    }
-
-    /**
      * Manager-specific logic that should occur when an entry is added.
      * @param headsUpEntry entry added
      */
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/policy/ZenModeControllerImpl.java b/packages/SystemUI/src/com/android/systemui/statusbar/policy/ZenModeControllerImpl.java
index df210b0..600005b 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/policy/ZenModeControllerImpl.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/policy/ZenModeControllerImpl.java
@@ -16,6 +16,8 @@
 
 package com.android.systemui.statusbar.policy;
 
+import static com.android.systemui.Flags.registerZenModeContentObserverBackground;
+
 import android.app.AlarmManager;
 import android.app.Flags;
 import android.app.NotificationManager;
@@ -45,6 +47,7 @@
 import com.android.systemui.Dumpable;
 import com.android.systemui.broadcast.BroadcastDispatcher;
 import com.android.systemui.dagger.SysUISingleton;
+import com.android.systemui.dagger.qualifiers.Background;
 import com.android.systemui.dagger.qualifiers.Main;
 import com.android.systemui.dump.DumpManager;
 import com.android.systemui.settings.UserTracker;
@@ -104,6 +107,7 @@
     public ZenModeControllerImpl(
             Context context,
             @Main Handler handler,
+            @Background Handler bgHandler,
             BroadcastDispatcher broadcastDispatcher,
             DumpManager dumpManager,
             GlobalSettings globalSettings,
@@ -134,9 +138,18 @@
             }
         };
         mNoMan = (NotificationManager) context.getSystemService(Context.NOTIFICATION_SERVICE);
-        globalSettings.registerContentObserver(Global.ZEN_MODE, modeContentObserver);
+        if (registerZenModeContentObserverBackground()) {
+            bgHandler.post(() -> {
+                globalSettings.registerContentObserver(Global.ZEN_MODE, modeContentObserver);
+                globalSettings.registerContentObserver(Global.ZEN_MODE_CONFIG_ETAG,
+                        configContentObserver);
+            });
+        } else {
+            globalSettings.registerContentObserver(Global.ZEN_MODE, modeContentObserver);
+            globalSettings.registerContentObserver(Global.ZEN_MODE_CONFIG_ETAG,
+                    configContentObserver);
+        }
         updateZenMode(getModeSettingValueFromProvider());
-        globalSettings.registerContentObserver(Global.ZEN_MODE_CONFIG_ETAG, configContentObserver);
         updateZenModeConfig();
         updateConsolidatedNotificationPolicy();
         mAlarmManager = (AlarmManager) context.getSystemService(Context.ALARM_SERVICE);
diff --git a/packages/SystemUI/src/com/android/systemui/wmshell/WMShell.java b/packages/SystemUI/src/com/android/systemui/wmshell/WMShell.java
index e832506..15e0965 100644
--- a/packages/SystemUI/src/com/android/systemui/wmshell/WMShell.java
+++ b/packages/SystemUI/src/com/android/systemui/wmshell/WMShell.java
@@ -356,6 +356,12 @@
                         // TODO(b/278084491): update sysui state for changes on other displays
                     }
                 }, mSysUiMainExecutor);
+        mCommandQueue.addCallback(new CommandQueue.Callbacks() {
+            @Override
+            public void enterDesktop(int displayId) {
+                desktopMode.enterDesktop(displayId);
+            }
+        });
     }
 
     @VisibleForTesting
diff --git a/packages/SystemUI/tests/src/com/android/keyguard/KeyguardSliceViewControllerTest.java b/packages/SystemUI/tests/src/com/android/keyguard/KeyguardSliceViewControllerTest.java
index 4d3243a..edb910a 100644
--- a/packages/SystemUI/tests/src/com/android/keyguard/KeyguardSliceViewControllerTest.java
+++ b/packages/SystemUI/tests/src/com/android/keyguard/KeyguardSliceViewControllerTest.java
@@ -22,8 +22,10 @@
 import static org.mockito.Mockito.when;
 
 import android.content.pm.PackageManager;
+import android.os.Handler;
 import android.test.suitebuilder.annotation.SmallTest;
 import android.testing.AndroidTestingRunner;
+import android.testing.TestableLooper;
 import android.testing.TestableLooper.RunWithLooper;
 import android.view.View;
 
@@ -57,17 +59,22 @@
     private ActivityStarter mActivityStarter;
     private FakeDisplayTracker mDisplayTracker = new FakeDisplayTracker(mContext);
     private DumpManager mDumpManager = new DumpManager();
-
+    private Handler mHandler;
+    private Handler mBgHandler;
     private KeyguardSliceViewController mController;
 
     @Before
     public void setUp() throws Exception {
         MockitoAnnotations.initMocks(this);
+        TestableLooper testableLooper = TestableLooper.get(this);
+        assert testableLooper != null;
+        mHandler = new Handler(testableLooper.getLooper());
+        mBgHandler = new Handler(testableLooper.getLooper());
         when(mView.isAttachedToWindow()).thenReturn(true);
         when(mView.getContext()).thenReturn(mContext);
-        mController = new KeyguardSliceViewController(
-                mView, mActivityStarter, mConfigurationController,
-                mTunerService, mDumpManager, mDisplayTracker);
+        mController = new KeyguardSliceViewController(mHandler, mBgHandler, mView,
+                mActivityStarter, mConfigurationController, mTunerService, mDumpManager,
+                mDisplayTracker);
         mController.setupUri(KeyguardSliceProvider.KEYGUARD_SLICE_URI);
     }
 
diff --git a/packages/SystemUI/tests/src/com/android/systemui/statusbar/notification/interruption/KeyguardNotificationVisibilityProviderTest.java b/packages/SystemUI/tests/src/com/android/systemui/statusbar/notification/interruption/KeyguardNotificationVisibilityProviderTest.java
index 3811f04..06410cd 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/statusbar/notification/interruption/KeyguardNotificationVisibilityProviderTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/statusbar/notification/interruption/KeyguardNotificationVisibilityProviderTest.java
@@ -431,28 +431,6 @@
 
     @Test
     public void publicMode_settingsDisallow() {
-        mFeatureFlags.set(Flags.NOTIF_LS_BACKGROUND_THREAD, true);
-        // GIVEN an 'unfiltered-keyguard-showing' state
-        setupUnfilteredState(mEntry);
-
-        // WHEN the notification's user is in public mode and settings are configured to disallow
-        // notifications in public mode
-        when(mLockscreenUserManager.isLockscreenPublicMode(NOTIF_USER_ID)).thenReturn(true);
-        when(mLockscreenUserManager.userAllowsNotificationsInPublic(NOTIF_USER_ID))
-                .thenReturn(false);
-
-        mEntry.setRanking(new RankingBuilder()
-                .setChannel(new NotificationChannel("1", "1", 4))
-                .setVisibilityOverride(VISIBILITY_NO_OVERRIDE)
-                .setKey(mEntry.getKey()).build());
-
-        // THEN filter out the entry
-        assertTrue(mKeyguardNotificationVisibilityProvider.shouldHideNotification(mEntry));
-    }
-
-    @Test
-    public void publicMode_settingsDisallow_mainThread() {
-        mFeatureFlags.set(Flags.NOTIF_LS_BACKGROUND_THREAD, false);
         // GIVEN an 'unfiltered-keyguard-showing' state
         setupUnfilteredState(mEntry);
 
@@ -473,7 +451,6 @@
 
     @Test
     public void publicMode_nullChannel_allowed() {
-        mFeatureFlags.set(Flags.NOTIF_LS_BACKGROUND_THREAD, true);
         // GIVEN an 'unfiltered-keyguard-showing' state
         setupUnfilteredState(mEntry);
 
@@ -490,7 +467,6 @@
 
     @Test
     public void publicMode_notifDisallowed() {
-        mFeatureFlags.set(Flags.NOTIF_LS_BACKGROUND_THREAD, true);
         NotificationChannel channel = new NotificationChannel("1", "1", IMPORTANCE_HIGH);
         channel.setLockscreenVisibility(VISIBILITY_SECRET);
         // GIVEN an 'unfiltered-keyguard-showing' state
@@ -509,23 +485,6 @@
     }
 
     @Test
-    public void publicMode_notifDisallowed_mainThread() {
-        mFeatureFlags.set(Flags.NOTIF_LS_BACKGROUND_THREAD, false);
-        // GIVEN an 'unfiltered-keyguard-showing' state
-        setupUnfilteredState(mEntry);
-
-        // WHEN the notification's user is in public mode and settings are configured to disallow
-        // notifications in public mode
-        when(mLockscreenUserManager.isLockscreenPublicMode(CURR_USER_ID)).thenReturn(true);
-        mEntry.setRanking(new RankingBuilder()
-                .setKey(mEntry.getKey())
-                .setVisibilityOverride(VISIBILITY_SECRET).build());
-
-        // THEN filter out the entry
-        assertTrue(mKeyguardNotificationVisibilityProvider.shouldHideNotification(mEntry));
-    }
-
-    @Test
     public void doesNotExceedThresholdToShow() {
         // GIVEN an 'unfiltered-keyguard-showing' state
         setupUnfilteredState(mEntry);
@@ -579,7 +538,6 @@
 
     @Test
     public void notificationChannelVisibilityNoOverride() {
-        mFeatureFlags.set(Flags.NOTIF_LS_BACKGROUND_THREAD, true);
         // GIVEN a VISIBILITY_PRIVATE notification
         NotificationEntryBuilder entryBuilder = new NotificationEntryBuilder()
                 .setUser(new UserHandle(NOTIF_USER_ID));
@@ -602,7 +560,6 @@
 
     @Test
     public void notificationChannelVisibilitySecret() {
-        mFeatureFlags.set(Flags.NOTIF_LS_BACKGROUND_THREAD, true);
         // GIVEN a VISIBILITY_PRIVATE notification
         NotificationEntryBuilder entryBuilder = new NotificationEntryBuilder()
                 .setUser(new UserHandle(NOTIF_USER_ID));
diff --git a/packages/SystemUI/tests/src/com/android/systemui/statusbar/policy/ZenModeControllerImplTest.java b/packages/SystemUI/tests/src/com/android/systemui/statusbar/policy/ZenModeControllerImplTest.java
index f1a2c28..ddd29c3 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/statusbar/policy/ZenModeControllerImplTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/statusbar/policy/ZenModeControllerImplTest.java
@@ -79,6 +79,7 @@
         mController = new ZenModeControllerImpl(
                 mContext,
                 Handler.createAsync(TestableLooper.get(this).getLooper()),
+                Handler.createAsync(TestableLooper.get(this).getLooper()),
                 mBroadcastDispatcher,
                 mDumpManager,
                 mGlobalSettings,
diff --git a/packages/WallpaperBackup/test/src/com/android/wallpaperbackup/WallpaperBackupAgentTest.java b/packages/WallpaperBackup/test/src/com/android/wallpaperbackup/WallpaperBackupAgentTest.java
index 053ed77..3ecdf3f 100644
--- a/packages/WallpaperBackup/test/src/com/android/wallpaperbackup/WallpaperBackupAgentTest.java
+++ b/packages/WallpaperBackup/test/src/com/android/wallpaperbackup/WallpaperBackupAgentTest.java
@@ -36,9 +36,11 @@
 import static com.google.common.truth.Truth.assertThat;
 
 import static org.junit.Assert.assertEquals;
+import static org.junit.Assume.assumeTrue;
 import static org.mockito.ArgumentMatchers.any;
 import static org.mockito.ArgumentMatchers.anyBoolean;
 import static org.mockito.ArgumentMatchers.anyInt;
+import static org.mockito.ArgumentMatchers.argThat;
 import static org.mockito.ArgumentMatchers.eq;
 import static org.mockito.Mockito.never;
 import static org.mockito.Mockito.times;
@@ -57,6 +59,7 @@
 import android.content.Intent;
 import android.content.pm.PackageManager;
 import android.content.pm.ResolveInfo;
+import android.graphics.Rect;
 import android.os.FileUtils;
 import android.os.ParcelFileDescriptor;
 import android.os.UserHandle;
@@ -78,6 +81,7 @@
 import org.junit.Test;
 import org.junit.rules.TemporaryFolder;
 import org.junit.runner.RunWith;
+import org.mockito.ArgumentMatcher;
 import org.mockito.Mock;
 import org.mockito.MockitoAnnotations;
 
@@ -87,6 +91,7 @@
 import java.io.IOException;
 import java.util.ArrayList;
 import java.util.List;
+import java.util.Map;
 import java.util.Optional;
 
 @RunWith(AndroidJUnit4.class)
@@ -815,6 +820,48 @@
                 WallpaperEventLogger.ERROR_LIVE_PACKAGE_NOT_INSTALLED);
     }
 
+    @Test
+    public void testOnRestore_noCropHints() throws Exception {
+        testParseCropHints(Map.of());
+    }
+
+    @Test
+    public void testOnRestore_singleCropHint() throws Exception {
+        Map<Integer, Rect> testMap = Map.of(WallpaperManager.PORTRAIT, new Rect(1, 2, 3, 4));
+        testParseCropHints(testMap);
+    }
+
+    @Test
+    public void testOnRestore_multipleCropHints() throws Exception {
+        Map<Integer, Rect> testMap = Map.of(
+                WallpaperManager.PORTRAIT, new Rect(1, 2, 3, 4),
+                WallpaperManager.SQUARE_PORTRAIT, new Rect(5, 6, 7, 8),
+                WallpaperManager.SQUARE_LANDSCAPE, new Rect(9, 10, 11, 12));
+        testParseCropHints(testMap);
+    }
+
+    private void testParseCropHints(Map<Integer, Rect> testMap) throws Exception {
+        assumeTrue(multiCrop());
+        mockRestoredStaticWallpaperFile(testMap);
+        mockStagedWallpaperFile(SYSTEM_WALLPAPER_STAGE);
+        mWallpaperBackupAgent.onCreate(USER_HANDLE, BackupAnnotations.BackupDestination.CLOUD,
+                BackupAnnotations.OperationType.RESTORE);
+
+        mWallpaperBackupAgent.onRestoreFinished();
+
+        ArgumentMatcher<SparseArray<Rect>> matcher = array -> {
+            boolean result = testMap.entrySet().stream().allMatch(entry -> {
+                int key = entry.getKey();
+                return (array.contains(key) && array.get(key).equals(testMap.get(key)));
+            });
+            for (int i = 0; i < array.size(); i++) {
+                if (!testMap.containsKey(array.keyAt(i))) result = false;
+            }
+            return result;
+        };
+        verify(mWallpaperManager).setStreamWithCrops(any(), argThat(matcher), eq(true), anyInt());
+    }
+
     private void mockCurrentWallpaperIds(int systemWallpaperId, int lockWallpaperId) {
         when(mWallpaperManager.getWallpaperId(eq(FLAG_SYSTEM))).thenReturn(systemWallpaperId);
         when(mWallpaperManager.getWallpaperId(eq(FLAG_LOCK))).thenReturn(lockWallpaperId);
@@ -880,6 +927,34 @@
         fstream.close();
     }
 
+    private void mockRestoredStaticWallpaperFile(Map<Integer, Rect> crops) throws Exception {
+        File wallpaperFile = new File(mContext.getFilesDir(), WALLPAPER_INFO_STAGE);
+        wallpaperFile.createNewFile();
+        FileOutputStream fstream = new FileOutputStream(wallpaperFile, false);
+        TypedXmlSerializer out = Xml.resolveSerializer(fstream);
+        out.startDocument(null, true);
+        out.startTag(null, "wp");
+        for (Map.Entry<Integer, Rect> entry: crops.entrySet()) {
+            String orientation = switch (entry.getKey()) {
+                case WallpaperManager.PORTRAIT -> "Portrait";
+                case WallpaperManager.LANDSCAPE -> "Landscape";
+                case WallpaperManager.SQUARE_PORTRAIT -> "SquarePortrait";
+                case WallpaperManager.SQUARE_LANDSCAPE -> "SquareLandscape";
+                default -> throw new IllegalArgumentException("Invalid orientation");
+            };
+            Rect rect = entry.getValue();
+            out.attributeInt(null, "cropLeft" + orientation, rect.left);
+            out.attributeInt(null, "cropTop" + orientation, rect.top);
+            out.attributeInt(null, "cropRight" + orientation, rect.right);
+            out.attributeInt(null, "cropBottom" + orientation, rect.bottom);
+        }
+        out.endTag(null, "wp");
+        out.endDocument();
+        fstream.flush();
+        FileUtils.sync(fstream);
+        fstream.close();
+    }
+
     private WallpaperInfo getFakeWallpaperInfo() throws Exception {
         Context context = InstrumentationRegistry.getTargetContext();
         Intent intent = new Intent(WallpaperService.SERVICE_INTERFACE);
diff --git a/services/autofill/java/com/android/server/autofill/Session.java b/services/autofill/java/com/android/server/autofill/Session.java
index d47245e..5a34217 100644
--- a/services/autofill/java/com/android/server/autofill/Session.java
+++ b/services/autofill/java/com/android/server/autofill/Session.java
@@ -2770,6 +2770,10 @@
                     + id + " destroyed");
             return;
         }
+        if (sDebug) {
+            Slog.d(TAG, "setAuthenticationResultLocked(): id= " + authenticationId
+                    + ", data=" + data);
+        }
         final int requestId = AutofillManager.getRequestIdFromAuthenticationId(authenticationId);
         if (requestId == AUGMENTED_AUTOFILL_REQUEST_ID) {
             setAuthenticationResultForAugmentedAutofillLocked(data, authenticationId);
@@ -2823,12 +2827,18 @@
                     + ", clientState=" + newClientState + ", authenticationId=" + authenticationId);
         }
         if (result instanceof FillResponse) {
+            if (sDebug) {
+                Slog.d(TAG, "setAuthenticationResultLocked(): received FillResponse from"
+                        + " authentication flow");
+            }
             logAuthenticationStatusLocked(requestId, MetricsEvent.AUTOFILL_AUTHENTICATED);
             mPresentationStatsEventLogger.maybeSetAuthenticationResult(
                 AUTHENTICATION_RESULT_SUCCESS);
             replaceResponseLocked(authenticatedResponse, (FillResponse) result, newClientState);
         } else if (result instanceof GetCredentialResponse) {
-            Slog.d(TAG, "Received GetCredentialResponse from authentication flow");
+            if (sDebug) {
+                Slog.d(TAG, "Received GetCredentialResponse from authentication flow");
+            }
             boolean isCredmanCallbackInvoked = false;
             if (Flags.autofillCredmanIntegration()) {
                 GetCredentialResponse response = (GetCredentialResponse) result;
@@ -2843,6 +2853,10 @@
                 }
             }
         } else if (result instanceof Dataset) {
+            if (sDebug) {
+                Slog.d(TAG, "setAuthenticationResultLocked(): received Dataset from"
+                        + " authentication flow");
+            }
             if (datasetIdx != AutofillManager.AUTHENTICATION_ID_DATASET_ID_UNDEFINED) {
                 logAuthenticationStatusLocked(requestId,
                         MetricsEvent.AUTOFILL_DATASET_AUTHENTICATED);
diff --git a/services/companion/java/com/android/server/companion/virtual/GenericWindowPolicyController.java b/services/companion/java/com/android/server/companion/virtual/GenericWindowPolicyController.java
index 31766f2..ff07619 100644
--- a/services/companion/java/com/android/server/companion/virtual/GenericWindowPolicyController.java
+++ b/services/companion/java/com/android/server/companion/virtual/GenericWindowPolicyController.java
@@ -29,6 +29,7 @@
 import android.companion.virtual.VirtualDeviceManager.ActivityListener;
 import android.compat.annotation.ChangeId;
 import android.compat.annotation.EnabledSince;
+import android.content.AttributionSource;
 import android.content.ComponentName;
 import android.content.Intent;
 import android.content.pm.ActivityInfo;
@@ -44,6 +45,7 @@
 import com.android.internal.annotations.GuardedBy;
 import com.android.internal.annotations.VisibleForTesting;
 import com.android.internal.app.BlockedAppStreamingActivity;
+import com.android.modules.expresslog.Counter;
 
 import java.util.Set;
 
@@ -104,6 +106,8 @@
     @EnabledSince(targetSdkVersion = Build.VERSION_CODES.TIRAMISU)
     public static final long ALLOW_SECURE_ACTIVITY_DISPLAY_ON_REMOTE_DEVICE = 201712607L;
     @NonNull
+    private final AttributionSource mAttributionSource;
+    @NonNull
     private final ArraySet<UserHandle> mAllowedUsers;
     @GuardedBy("mGenericWindowPolicyControllerLock")
     private boolean mActivityLaunchAllowedByDefault;
@@ -144,6 +148,7 @@
      *
      * @param windowFlags The window flags that this controller is interested in.
      * @param systemWindowFlags The system window flags that this controller is interested in.
+     * @param attributionSource The AttributionSource of the VirtualDevice owner application.
      * @param allowedUsers The set of users that are allowed to stream in this display.
      * @param activityLaunchAllowedByDefault Whether activities are default allowed to be launched
      *   or blocked.
@@ -169,6 +174,7 @@
     public GenericWindowPolicyController(
             int windowFlags,
             int systemWindowFlags,
+            AttributionSource attributionSource,
             @NonNull ArraySet<UserHandle> allowedUsers,
             boolean activityLaunchAllowedByDefault,
             @NonNull Set<ComponentName> activityPolicyExemptions,
@@ -184,6 +190,7 @@
             boolean showTasksInHostDeviceRecents,
             @Nullable ComponentName customHomeComponent) {
         super();
+        mAttributionSource = attributionSource;
         mAllowedUsers = allowedUsers;
         mActivityLaunchAllowedByDefault = activityLaunchAllowedByDefault;
         mActivityPolicyExemptions = activityPolicyExemptions;
@@ -436,6 +443,12 @@
         if (!mIsMirrorDisplay && mActivityBlockedCallback != null) {
             mActivityBlockedCallback.onActivityBlocked(mDisplayId, activityInfo);
         }
+        if (android.companion.virtualdevice.flags.Flags.metricsCollection()) {
+            Counter.logIncrementWithUid(
+                    "virtual_devices.value_activity_blocked_count",
+                    mAttributionSource.getUid());
+        }
+
     }
 
     private static boolean isAllowedByPolicy(boolean allowedByDefault,
diff --git a/services/companion/java/com/android/server/companion/virtual/InputController.java b/services/companion/java/com/android/server/companion/virtual/InputController.java
index 1b49f18e..9b72288 100644
--- a/services/companion/java/com/android/server/companion/virtual/InputController.java
+++ b/services/companion/java/com/android/server/companion/virtual/InputController.java
@@ -21,6 +21,7 @@
 import android.annotation.IntDef;
 import android.annotation.NonNull;
 import android.annotation.StringDef;
+import android.content.AttributionSource;
 import android.graphics.PointF;
 import android.hardware.display.DisplayManagerInternal;
 import android.hardware.input.InputDeviceIdentifier;
@@ -38,6 +39,7 @@
 import android.os.IInputConstants;
 import android.os.RemoteException;
 import android.util.ArrayMap;
+import android.util.Log;
 import android.util.Slog;
 import android.view.Display;
 import android.view.InputDevice;
@@ -45,6 +47,7 @@
 
 import com.android.internal.annotations.GuardedBy;
 import com.android.internal.annotations.VisibleForTesting;
+import com.android.modules.expresslog.Counter;
 import com.android.server.LocalServices;
 import com.android.server.input.InputManagerInternal;
 
@@ -98,11 +101,12 @@
     private final DisplayManagerInternal mDisplayManagerInternal;
     private final InputManagerInternal mInputManagerInternal;
     private final WindowManager mWindowManager;
+    private final AttributionSource mAttributionSource;
     private final DeviceCreationThreadVerifier mThreadVerifier;
 
     InputController(@NonNull Handler handler,
-            @NonNull WindowManager windowManager) {
-        this(new NativeWrapper(), handler, windowManager,
+            @NonNull WindowManager windowManager, AttributionSource attributionSource) {
+        this(new NativeWrapper(), handler, windowManager, attributionSource,
                 // Verify that virtual devices are not created on the handler thread.
                 () -> !handler.getLooper().isCurrentThread());
     }
@@ -110,12 +114,14 @@
     @VisibleForTesting
     InputController(@NonNull NativeWrapper nativeWrapper,
             @NonNull Handler handler, @NonNull WindowManager windowManager,
+            AttributionSource attributionSource,
             @NonNull DeviceCreationThreadVerifier threadVerifier) {
         mHandler = handler;
         mNativeWrapper = nativeWrapper;
         mDisplayManagerInternal = LocalServices.getService(DisplayManagerInternal.class);
         mInputManagerInternal = LocalServices.getService(InputManagerInternal.class);
         mWindowManager = windowManager;
+        mAttributionSource = attributionSource;
         mThreadVerifier = threadVerifier;
     }
 
@@ -838,6 +844,33 @@
                     new InputDeviceDescriptor(ptr, binderDeathRecipient, type, displayId, phys,
                             deviceName, inputDeviceId));
         }
+
+        if (android.companion.virtualdevice.flags.Flags.metricsCollection()) {
+            String metricId = getMetricIdForInputType(type);
+            if (metricId != null) {
+                Counter.logIncrementWithUid(metricId, mAttributionSource.getUid());
+            }
+        }
+    }
+
+    private static String getMetricIdForInputType(@InputDeviceDescriptor.Type int type) {
+        switch (type) {
+            case InputDeviceDescriptor.TYPE_KEYBOARD:
+                return "virtual_devices.value_virtual_keyboard_created_count";
+            case InputDeviceDescriptor.TYPE_MOUSE:
+                return "virtual_devices.value_virtual_mouse_created_count";
+            case InputDeviceDescriptor.TYPE_TOUCHSCREEN:
+                return "virtual_devices.value_virtual_touchscreen_created_count";
+            case InputDeviceDescriptor.TYPE_DPAD:
+                return "virtual_devices.value_virtual_dpad_created_count";
+            case InputDeviceDescriptor.TYPE_NAVIGATION_TOUCHPAD:
+                return "virtual_devices.value_virtual_navigationtouchpad_created_count";
+            case InputDeviceDescriptor.TYPE_STYLUS:
+                return "virtual_devices.value_virtual_stylus_created_count";
+            default:
+                Log.e(TAG, "No metric known for input type: " + type);
+                return null;
+        }
     }
 
     @VisibleForTesting
diff --git a/services/companion/java/com/android/server/companion/virtual/SensorController.java b/services/companion/java/com/android/server/companion/virtual/SensorController.java
index e9241dd..cf48180 100644
--- a/services/companion/java/com/android/server/companion/virtual/SensorController.java
+++ b/services/companion/java/com/android/server/companion/virtual/SensorController.java
@@ -23,6 +23,7 @@
 import android.companion.virtual.sensor.VirtualSensor;
 import android.companion.virtual.sensor.VirtualSensorConfig;
 import android.companion.virtual.sensor.VirtualSensorEvent;
+import android.content.AttributionSource;
 import android.hardware.SensorDirectChannel;
 import android.os.Binder;
 import android.os.IBinder;
@@ -35,6 +36,7 @@
 
 import com.android.internal.annotations.GuardedBy;
 import com.android.internal.annotations.VisibleForTesting;
+import com.android.modules.expresslog.Counter;
 import com.android.server.LocalServices;
 import com.android.server.sensors.SensorManagerInternal;
 
@@ -71,14 +73,18 @@
     private List<VirtualSensor> mVirtualSensorList = null;
 
     @NonNull
+    private final AttributionSource mAttributionSource;
+    @NonNull
     private final SensorManagerInternal.RuntimeSensorCallback mRuntimeSensorCallback;
     private final SensorManagerInternal mSensorManagerInternal;
     private final VirtualDeviceManagerInternal mVdmInternal;
 
     public SensorController(@NonNull IVirtualDevice virtualDevice, int virtualDeviceId,
+            @NonNull AttributionSource attributionSource,
             @Nullable IVirtualSensorCallback virtualSensorCallback,
             @NonNull List<VirtualSensorConfig> sensors) {
         mVirtualDeviceId = virtualDeviceId;
+        mAttributionSource = attributionSource;
         mRuntimeSensorCallback = new RuntimeSensorCallbackWrapper(virtualSensorCallback);
         mSensorManagerInternal = LocalServices.getService(SensorManagerInternal.class);
         mVdmInternal = LocalServices.getService(VirtualDeviceManagerInternal.class);
@@ -139,6 +145,11 @@
             mSensorDescriptors.put(sensorToken, sensorDescriptor);
             mVirtualSensors.put(handle, sensor);
         }
+        if (android.companion.virtualdevice.flags.Flags.metricsCollection()) {
+            Counter.logIncrementWithUid(
+                    "virtual_devices.value_virtual_sensors_created_count",
+                    mAttributionSource.getUid());
+        }
     }
 
     boolean sendSensorEvent(@NonNull IBinder token, @NonNull VirtualSensorEvent event) {
diff --git a/services/companion/java/com/android/server/companion/virtual/VirtualDeviceImpl.java b/services/companion/java/com/android/server/companion/virtual/VirtualDeviceImpl.java
index f13f49a..6d731b2 100644
--- a/services/companion/java/com/android/server/companion/virtual/VirtualDeviceImpl.java
+++ b/services/companion/java/com/android/server/companion/virtual/VirtualDeviceImpl.java
@@ -104,6 +104,7 @@
 import com.android.internal.annotations.GuardedBy;
 import com.android.internal.annotations.VisibleForTesting;
 import com.android.internal.app.BlockedAppStreamingActivity;
+import com.android.modules.expresslog.Counter;
 import com.android.server.LocalServices;
 import com.android.server.companion.virtual.GenericWindowPolicyController.RunningAppsChangedListener;
 import com.android.server.companion.virtual.audio.VirtualAudioController;
@@ -152,6 +153,8 @@
     private final int mOwnerUid;
     private final VirtualDeviceLog mVirtualDeviceLog;
     private final String mOwnerPackageName;
+    @NonNull
+    private final AttributionSource mAttributionSource;
     private final int mDeviceId;
     @Nullable
     private final String mPersistentDeviceId;
@@ -288,6 +291,7 @@
         super(PermissionEnforcer.fromContext(context));
         mVirtualDeviceLog = virtualDeviceLog;
         mOwnerPackageName = attributionSource.getPackageName();
+        mAttributionSource = attributionSource;
         UserHandle ownerUserHandle = UserHandle.getUserHandleForUid(attributionSource.getUid());
         mContext = context.createContextAsUser(ownerUserHandle, 0);
         mAssociationInfo = associationInfo;
@@ -307,11 +311,11 @@
         if (inputController == null) {
             mInputController = new InputController(
                     context.getMainThreadHandler(),
-                    context.getSystemService(WindowManager.class));
+                    context.getSystemService(WindowManager.class), mAttributionSource);
         } else {
             mInputController = inputController;
         }
-        mSensorController = new SensorController(this, mDeviceId,
+        mSensorController = new SensorController(this, mDeviceId, mAttributionSource,
                 mParams.getVirtualSensorCallback(), mParams.getVirtualSensorConfigs());
         mCameraAccessController = cameraAccessController;
         if (mCameraAccessController != null) {
@@ -620,7 +624,7 @@
             }
 
             if (mVirtualAudioController == null) {
-                mVirtualAudioController = new VirtualAudioController(mContext);
+                mVirtualAudioController = new VirtualAudioController(mContext, mAttributionSource);
                 GenericWindowPolicyController gwpc = mVirtualDisplays.get(
                         displayId).getWindowPolicyController();
                 mVirtualAudioController.startListening(gwpc, routingCallback,
@@ -1028,7 +1032,7 @@
         if (mVirtualCameraController == null) {
             throw new UnsupportedOperationException("Virtual camera controller is not available");
         }
-        mVirtualCameraController.registerCamera(cameraConfig);
+        mVirtualCameraController.registerCamera(cameraConfig, mAttributionSource);
     }
 
     @Override // Binder call
@@ -1110,6 +1114,7 @@
         final GenericWindowPolicyController gwpc = new GenericWindowPolicyController(
                 FLAG_SECURE,
                 SYSTEM_FLAG_HIDE_NON_SYSTEM_OVERLAY_WINDOWS,
+                mAttributionSource,
                 getAllowedUserHandles(),
                 activityLaunchAllowedByDefault,
                 mActivityPolicyExemptions,
@@ -1179,6 +1184,11 @@
             Binder.restoreCallingIdentity(token);
         }
 
+        if (android.companion.virtualdevice.flags.Flags.metricsCollection()) {
+            Counter.logIncrementWithUid(
+                    "virtual_devices.value_virtual_display_created_count",
+                    mAttributionSource.getUid());
+        }
         return displayId;
     }
 
@@ -1220,6 +1230,12 @@
         if ((display.getFlags() & FLAG_SECURE) == 0) {
             showToastWhereUidIsRunning(uid, com.android.internal.R.string.vdm_secure_window,
                     Toast.LENGTH_LONG, mContext.getMainLooper());
+
+            if (android.companion.virtualdevice.flags.Flags.metricsCollection()) {
+                Counter.logIncrementWithUid(
+                        "virtual_devices.value_secure_window_blocked_count",
+                        mAttributionSource.getUid());
+            }
         }
     }
 
diff --git a/services/companion/java/com/android/server/companion/virtual/VirtualDeviceManagerService.java b/services/companion/java/com/android/server/companion/virtual/VirtualDeviceManagerService.java
index 2168cb2..9ad73ca 100644
--- a/services/companion/java/com/android/server/companion/virtual/VirtualDeviceManagerService.java
+++ b/services/companion/java/com/android/server/companion/virtual/VirtualDeviceManagerService.java
@@ -482,6 +482,11 @@
                     }
                 });
             }
+            if (android.companion.virtualdevice.flags.Flags.metricsCollection()) {
+                Counter.logIncrementWithUid(
+                        "virtual_devices.value_virtual_devices_created_with_uid_count",
+                        attributionSource.getUid());
+            }
             return virtualDevice;
         }
 
diff --git a/services/companion/java/com/android/server/companion/virtual/audio/VirtualAudioController.java b/services/companion/java/com/android/server/companion/virtual/audio/VirtualAudioController.java
index c91877a..4bffb76 100644
--- a/services/companion/java/com/android/server/companion/virtual/audio/VirtualAudioController.java
+++ b/services/companion/java/com/android/server/companion/virtual/audio/VirtualAudioController.java
@@ -23,6 +23,7 @@
 import android.annotation.RequiresPermission;
 import android.companion.virtual.audio.IAudioConfigChangedCallback;
 import android.companion.virtual.audio.IAudioRoutingCallback;
+import android.content.AttributionSource;
 import android.content.Context;
 import android.media.AudioManager;
 import android.media.AudioPlaybackConfiguration;
@@ -35,6 +36,7 @@
 
 import com.android.internal.annotations.GuardedBy;
 import com.android.internal.annotations.VisibleForTesting;
+import com.android.modules.expresslog.Counter;
 import com.android.server.companion.virtual.GenericWindowPolicyController;
 import com.android.server.companion.virtual.GenericWindowPolicyController.RunningAppsChangedListener;
 import com.android.server.companion.virtual.audio.AudioPlaybackDetector.AudioPlaybackCallback;
@@ -70,10 +72,16 @@
     @GuardedBy("mCallbackLock")
     private IAudioConfigChangedCallback mConfigChangedCallback;
 
-    public VirtualAudioController(Context context) {
+    public VirtualAudioController(Context context, AttributionSource attributionSource) {
         mContext = context;
         mAudioPlaybackDetector = new AudioPlaybackDetector(context);
         mAudioRecordingDetector = new AudioRecordingDetector(context);
+
+        if (android.companion.virtualdevice.flags.Flags.metricsCollection()) {
+            Counter.logIncrementWithUid(
+                    "virtual_devices.value_virtual_audio_created_count",
+                    attributionSource.getUid());
+        }
     }
 
     /**
diff --git a/services/companion/java/com/android/server/companion/virtual/camera/VirtualCameraController.java b/services/companion/java/com/android/server/companion/virtual/camera/VirtualCameraController.java
index 2d82b5e..3bb1e33 100644
--- a/services/companion/java/com/android/server/companion/virtual/camera/VirtualCameraController.java
+++ b/services/companion/java/com/android/server/companion/virtual/camera/VirtualCameraController.java
@@ -26,6 +26,7 @@
 import android.companion.virtual.camera.VirtualCameraConfig;
 import android.companion.virtualcamera.IVirtualCameraService;
 import android.companion.virtualcamera.VirtualCameraConfiguration;
+import android.content.AttributionSource;
 import android.os.Binder;
 import android.os.IBinder;
 import android.os.RemoteException;
@@ -35,6 +36,7 @@
 
 import com.android.internal.annotations.GuardedBy;
 import com.android.internal.annotations.VisibleForTesting;
+import com.android.modules.expresslog.Counter;
 
 import java.io.PrintWriter;
 import java.util.Map;
@@ -76,7 +78,8 @@
      *
      * @param cameraConfig The {@link VirtualCameraConfig} sent by the client.
      */
-    public void registerCamera(@NonNull VirtualCameraConfig cameraConfig) {
+    public void registerCamera(@NonNull VirtualCameraConfig cameraConfig,
+            AttributionSource attributionSource) {
         checkConfigByPolicy(cameraConfig);
 
         connectVirtualCameraServiceIfNeeded();
@@ -97,6 +100,11 @@
         } catch (RemoteException e) {
             e.rethrowFromSystemServer();
         }
+        if (android.companion.virtualdevice.flags.Flags.metricsCollection()) {
+            Counter.logIncrementWithUid(
+                    "virtual_devices.value_virtual_camera_created_count",
+                    attributionSource.getUid());
+        }
     }
 
     /**
diff --git a/services/core/java/com/android/server/UiModeManagerService.java b/services/core/java/com/android/server/UiModeManagerService.java
index 05010f88..f1776f4 100644
--- a/services/core/java/com/android/server/UiModeManagerService.java
+++ b/services/core/java/com/android/server/UiModeManagerService.java
@@ -17,7 +17,7 @@
 package com.android.server;
 
 import static android.app.Flags.modesApi;
-import static android.app.Flags.enableNightModeCache;
+import static android.app.Flags.enableNightModeBinderCache;
 import static android.app.UiModeManager.ContrastUtils.CONTRAST_DEFAULT_VALUE;
 import static android.app.UiModeManager.DEFAULT_PRIORITY;
 import static android.app.UiModeManager.MODE_ATTENTION_THEME_OVERLAY_OFF;
@@ -148,7 +148,7 @@
         @Override
         public void set(int mode) {
             mNightModeValue = mode;
-            if (enableNightModeCache()) {
+            if (enableNightModeBinderCache()) {
                 UiModeManager.invalidateNightModeCache();
             }
         }
diff --git a/services/core/java/com/android/server/display/brightness/clamper/BrightnessClamper.java b/services/core/java/com/android/server/display/brightness/clamper/BrightnessClamper.java
index fab769e..40e9198 100644
--- a/services/core/java/com/android/server/display/brightness/clamper/BrightnessClamper.java
+++ b/services/core/java/com/android/server/display/brightness/clamper/BrightnessClamper.java
@@ -75,6 +75,6 @@
     protected enum Type {
         THERMAL,
         POWER,
-        BEDTIME_MODE,
+        WEAR_BEDTIME_MODE,
     }
 }
diff --git a/services/core/java/com/android/server/display/brightness/clamper/BrightnessClamperController.java b/services/core/java/com/android/server/display/brightness/clamper/BrightnessClamperController.java
index 2c02fc6..bc5fcb4 100644
--- a/services/core/java/com/android/server/display/brightness/clamper/BrightnessClamperController.java
+++ b/services/core/java/com/android/server/display/brightness/clamper/BrightnessClamperController.java
@@ -156,6 +156,8 @@
             return BrightnessInfo.BRIGHTNESS_MAX_REASON_THERMAL;
         } else if (mClamperType == Type.POWER) {
             return BrightnessInfo.BRIGHTNESS_MAX_REASON_POWER_IC;
+        } else if (mClamperType == Type.WEAR_BEDTIME_MODE) {
+            return BrightnessInfo.BRIGHTNESS_MAX_REASON_WEAR_BEDTIME_MODE;
         } else {
             Slog.wtf(TAG, "BrightnessMaxReason not mapped for type=" + mClamperType);
             return BrightnessInfo.BRIGHTNESS_MAX_REASON_NONE;
diff --git a/services/core/java/com/android/server/display/brightness/clamper/BrightnessWearBedtimeModeClamper.java b/services/core/java/com/android/server/display/brightness/clamper/BrightnessWearBedtimeModeClamper.java
index 7e853bf..1902e35 100644
--- a/services/core/java/com/android/server/display/brightness/clamper/BrightnessWearBedtimeModeClamper.java
+++ b/services/core/java/com/android/server/display/brightness/clamper/BrightnessWearBedtimeModeClamper.java
@@ -64,7 +64,7 @@
     @NonNull
     @Override
     Type getType() {
-        return Type.BEDTIME_MODE;
+        return Type.WEAR_BEDTIME_MODE;
     }
 
     @Override
diff --git a/services/core/java/com/android/server/grammaticalinflection/GrammaticalInflectionManagerInternal.java b/services/core/java/com/android/server/grammaticalinflection/GrammaticalInflectionManagerInternal.java
index 6a6e6ab..c2c82ed 100644
--- a/services/core/java/com/android/server/grammaticalinflection/GrammaticalInflectionManagerInternal.java
+++ b/services/core/java/com/android/server/grammaticalinflection/GrammaticalInflectionManagerInternal.java
@@ -16,6 +16,7 @@
 
 package com.android.server.grammaticalinflection;
 
+import android.annotation.NonNull;
 import android.annotation.Nullable;
 import android.content.res.Configuration;
 
@@ -55,11 +56,11 @@
      *
      */
     public abstract @Configuration.GrammaticalGender int retrieveSystemGrammaticalGender(
-            Configuration configuration);
+            @NonNull Configuration configuration);
 
     /**
      * Whether the package can get the system grammatical gender or not.
      */
-    public abstract boolean canGetSystemGrammaticalGender(int uid, String packageName);
+    public abstract boolean canGetSystemGrammaticalGender(int uid, @Nullable String packageName);
 }
 
diff --git a/services/core/java/com/android/server/grammaticalinflection/GrammaticalInflectionService.java b/services/core/java/com/android/server/grammaticalinflection/GrammaticalInflectionService.java
index 258e97d..0bcb26d 100644
--- a/services/core/java/com/android/server/grammaticalinflection/GrammaticalInflectionService.java
+++ b/services/core/java/com/android/server/grammaticalinflection/GrammaticalInflectionService.java
@@ -355,12 +355,11 @@
             final File file = getGrammaticalGenderFile(userId);
             synchronized (mLock) {
                 if (!file.exists()) {
-                    Log.d(TAG, "User " + userId + "doesn't have the grammatical gender file.");
+                    Log.d(TAG, "User " + userId + " doesn't have the grammatical gender file.");
                     return;
                 }
                 if (mGrammaticalGenderCache.indexOfKey(userId) < 0) {
-                    try {
-                        InputStream in = new FileInputStream(file);
+                    try (FileInputStream in = new FileInputStream(file)) {
                         final TypedXmlPullParser parser = Xml.resolvePullParser(in);
                         mGrammaticalGenderCache.put(userId, getGrammaticalGenderFromXml(parser));
                     } catch (IOException | XmlPullParserException e) {
diff --git a/services/core/java/com/android/server/inputmethod/IInputMethodClientInvoker.java b/services/core/java/com/android/server/inputmethod/IInputMethodClientInvoker.java
index 977dbff..84a59b4 100644
--- a/services/core/java/com/android/server/inputmethod/IInputMethodClientInvoker.java
+++ b/services/core/java/com/android/server/inputmethod/IInputMethodClientInvoker.java
@@ -117,6 +117,30 @@
     }
 
     @AnyThread
+    void onStartInputResult(@NonNull InputBindResult res, int startInputSeq) {
+        if (mIsProxy) {
+            onStartInputResultInternal(res, startInputSeq);
+        } else {
+            mHandler.post(() -> onStartInputResultInternal(res, startInputSeq));
+        }
+    }
+
+    @AnyThread
+    private void onStartInputResultInternal(@NonNull InputBindResult res, int startInputSeq) {
+        try {
+            mTarget.onStartInputResult(res, startInputSeq);
+        } catch (RemoteException e) {
+            logRemoteException(e);
+        } finally {
+            // Dispose the channel if the input method is not local to this process
+            // because the remote proxy will get its own copy when unparceled.
+            if (res.channel != null && mIsProxy) {
+                res.channel.dispose();
+            }
+        }
+    }
+
+    @AnyThread
     void onBindAccessibilityService(@NonNull InputBindResult res, int id) {
         if (mIsProxy) {
             onBindAccessibilityServiceInternal(res, id);
diff --git a/services/core/java/com/android/server/inputmethod/InputMethodManagerService.java b/services/core/java/com/android/server/inputmethod/InputMethodManagerService.java
index bc169ca..5574d18 100644
--- a/services/core/java/com/android/server/inputmethod/InputMethodManagerService.java
+++ b/services/core/java/com/android/server/inputmethod/InputMethodManagerService.java
@@ -1539,7 +1539,13 @@
         @Override
         public void onStart() {
             mService.publishLocalService();
-            publishBinderService(Context.INPUT_METHOD_SERVICE, mService, false /*allowIsolated*/,
+            IInputMethodManager.Stub service;
+            if (Flags.useZeroJankProxy()) {
+                service = new ZeroJankProxy(mService.mHandler::post, mService);
+            } else {
+                service = mService;
+            }
+            publishBinderService(Context.INPUT_METHOD_SERVICE, service, false /*allowIsolated*/,
                     DUMP_FLAG_PRIORITY_CRITICAL | DUMP_FLAG_PRIORITY_NORMAL | DUMP_FLAG_PROTO);
         }
 
@@ -2216,6 +2222,14 @@
         }
     }
 
+    @Nullable
+    ClientState getClientState(IInputMethodClient client) {
+        synchronized (ImfLock.class) {
+            return mClientController.getClient(client.asBinder());
+        }
+    }
+
+    // TODO(b/314150112): Move this to ClientController.
     @GuardedBy("ImfLock.class")
     void unbindCurrentClientLocked(@UnbindReason int unbindClientReason) {
         if (mCurClient != null) {
@@ -3741,6 +3755,20 @@
         return imeClientFocus == WindowManagerInternal.ImeClientFocusResult.HAS_IME_FOCUS;
     }
 
+    //TODO(b/293640003): merge with startInputOrWindowGainedFocus once Flags.useZeroJankProxy()
+    // is enabled.
+    @Override
+    public void startInputOrWindowGainedFocusAsync(
+            @StartInputReason int startInputReason, IInputMethodClient client, IBinder windowToken,
+            @StartInputFlags int startInputFlags, @SoftInputModeFlags int softInputMode,
+            int windowFlags, @Nullable EditorInfo editorInfo,
+            IRemoteInputConnection inputConnection,
+            IRemoteAccessibilityInputConnection remoteAccessibilityInputConnection,
+            int unverifiedTargetSdkVersion, @UserIdInt int userId,
+            @NonNull ImeOnBackInvokedDispatcher imeDispatcher, int startInputSeq) {
+        // implemented by ZeroJankProxy
+    }
+
     @NonNull
     @Override
     public InputBindResult startInputOrWindowGainedFocus(
diff --git a/services/core/java/com/android/server/inputmethod/ZeroJankProxy.java b/services/core/java/com/android/server/inputmethod/ZeroJankProxy.java
new file mode 100644
index 0000000..692fd7dc
--- /dev/null
+++ b/services/core/java/com/android/server/inputmethod/ZeroJankProxy.java
@@ -0,0 +1,406 @@
+/*
+ * 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.
+ */
+
+/*
+ * 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 com.android.server.inputmethod.InputMethodManagerService.TAG;
+
+import android.Manifest;
+import android.annotation.BinderThread;
+import android.annotation.EnforcePermission;
+import android.annotation.NonNull;
+import android.annotation.Nullable;
+import android.annotation.RequiresPermission;
+import android.annotation.UserIdInt;
+import android.os.Binder;
+import android.os.IBinder;
+import android.os.RemoteException;
+import android.os.ResultReceiver;
+import android.os.ShellCallback;
+import android.util.ExceptionUtils;
+import android.util.Slog;
+import android.view.WindowManager;
+import android.view.inputmethod.CursorAnchorInfo;
+import android.view.inputmethod.EditorInfo;
+import android.view.inputmethod.ImeTracker;
+import android.view.inputmethod.InputMethodInfo;
+import android.view.inputmethod.InputMethodManager;
+import android.view.inputmethod.InputMethodSubtype;
+import android.window.ImeOnBackInvokedDispatcher;
+
+import com.android.internal.inputmethod.DirectBootAwareness;
+import com.android.internal.inputmethod.IConnectionlessHandwritingCallback;
+import com.android.internal.inputmethod.IImeTracker;
+import com.android.internal.inputmethod.IInputMethodClient;
+import com.android.internal.inputmethod.IRemoteAccessibilityInputConnection;
+import com.android.internal.inputmethod.IRemoteInputConnection;
+import com.android.internal.inputmethod.InputBindResult;
+import com.android.internal.inputmethod.SoftInputShowHideReason;
+import com.android.internal.inputmethod.StartInputFlags;
+import com.android.internal.inputmethod.StartInputReason;
+import com.android.internal.util.FunctionalUtils.ThrowingRunnable;
+import com.android.internal.view.IInputMethodManager;
+
+import java.io.FileDescriptor;
+import java.util.List;
+import java.util.concurrent.CompletableFuture;
+import java.util.concurrent.ExecutionException;
+import java.util.concurrent.Executor;
+
+/**
+ * A proxy that processes all {@link IInputMethodManager} calls asynchronously.
+ * @hide
+ */
+public class ZeroJankProxy extends IInputMethodManager.Stub {
+
+    private final IInputMethodManager mInner;
+    private final Executor mExecutor;
+
+    ZeroJankProxy(Executor executor, IInputMethodManager inner) {
+        mInner = inner;
+        mExecutor = executor;
+    }
+
+    private void offload(ThrowingRunnable r) {
+        offloadInner(r);
+    }
+
+    private void offload(Runnable r) {
+        offloadInner(r);
+    }
+
+    private void offloadInner(Runnable r) {
+        boolean useThrowingRunnable = r instanceof ThrowingRunnable;
+        final long identity = Binder.clearCallingIdentity();
+        try {
+            mExecutor.execute(() -> {
+                final long inner = Binder.clearCallingIdentity();
+                // Restoring calling identity, so we can still do permission checks on caller.
+                Binder.restoreCallingIdentity(identity);
+                try {
+                    try {
+                        if (useThrowingRunnable) {
+                            ((ThrowingRunnable) r).runOrThrow();
+                        } else {
+                            r.run();
+                        }
+                    } catch (Exception e) {
+                        Slog.e(TAG, "Error in async call", e);
+                        throw ExceptionUtils.propagate(e);
+                    }
+                } finally {
+                    Binder.restoreCallingIdentity(inner);
+                }
+            });
+        } finally {
+            Binder.restoreCallingIdentity(identity);
+        }
+    }
+
+    @Override
+    public void addClient(IInputMethodClient client, IRemoteInputConnection inputConnection,
+            int selfReportedDisplayId) throws RemoteException {
+        offload(() -> mInner.addClient(client, inputConnection, selfReportedDisplayId));
+    }
+
+    @Override
+    public InputMethodInfo getCurrentInputMethodInfoAsUser(int userId) throws RemoteException {
+        return mInner.getCurrentInputMethodInfoAsUser(userId);
+    }
+
+    @Override
+    public List<InputMethodInfo> getInputMethodList(
+            int userId, @DirectBootAwareness int directBootAwareness) throws RemoteException {
+        return mInner.getInputMethodList(userId, directBootAwareness);
+    }
+
+    @Override
+    public List<InputMethodInfo> getEnabledInputMethodList(int userId) throws RemoteException {
+        return mInner.getEnabledInputMethodList(userId);
+    }
+
+    @Override
+    public List<InputMethodSubtype> getEnabledInputMethodSubtypeList(String imiId,
+            boolean allowsImplicitlyEnabledSubtypes, int userId)
+            throws RemoteException {
+        return mInner.getEnabledInputMethodSubtypeList(imiId, allowsImplicitlyEnabledSubtypes,
+                userId);
+    }
+
+    @Override
+    public InputMethodSubtype getLastInputMethodSubtype(int userId) throws RemoteException {
+        return mInner.getLastInputMethodSubtype(userId);
+    }
+
+    @Override
+    public boolean showSoftInput(IInputMethodClient client, IBinder windowToken,
+            @Nullable ImeTracker.Token statsToken, @InputMethodManager.ShowFlags int flags,
+            int lastClickTooType, ResultReceiver resultReceiver,
+            @SoftInputShowHideReason int reason)
+            throws RemoteException {
+        offload(() -> mInner.showSoftInput(client, windowToken, statsToken, flags, lastClickTooType,
+                resultReceiver, reason));
+        return true;
+    }
+
+    @Override
+    public boolean hideSoftInput(IInputMethodClient client, IBinder windowToken,
+            @Nullable ImeTracker.Token statsToken, @InputMethodManager.HideFlags int flags,
+            ResultReceiver resultReceiver, @SoftInputShowHideReason int reason)
+            throws RemoteException {
+        offload(() -> mInner.hideSoftInput(client, windowToken, statsToken, flags, resultReceiver,
+                reason));
+        return true;
+    }
+
+    @Override
+    public void startInputOrWindowGainedFocusAsync(
+            @StartInputReason int startInputReason,
+            IInputMethodClient client, IBinder windowToken,
+            @StartInputFlags int startInputFlags,
+            @WindowManager.LayoutParams.SoftInputModeFlags int softInputMode,
+            int windowFlags, @Nullable EditorInfo editorInfo,
+            IRemoteInputConnection inputConnection,
+            IRemoteAccessibilityInputConnection remoteAccessibilityInputConnection,
+            int unverifiedTargetSdkVersion, @UserIdInt int userId,
+            @NonNull ImeOnBackInvokedDispatcher imeDispatcher, int startInputSeq)
+            throws RemoteException {
+        offload(() -> {
+            InputBindResult result = mInner.startInputOrWindowGainedFocus(startInputReason, client,
+                    windowToken, startInputFlags, softInputMode, windowFlags,
+                    editorInfo,
+                    inputConnection, remoteAccessibilityInputConnection,
+                    unverifiedTargetSdkVersion,
+                    userId, imeDispatcher);
+            sendOnStartInputResult(client, result, startInputSeq);
+        });
+    }
+
+    @RequiresPermission(android.Manifest.permission.INTERACT_ACROSS_USERS_FULL)
+    @Override
+    public InputBindResult startInputOrWindowGainedFocus(
+            @StartInputReason int startInputReason,
+            IInputMethodClient client, IBinder windowToken,
+            @StartInputFlags int startInputFlags,
+            @WindowManager.LayoutParams.SoftInputModeFlags int softInputMode,
+            int windowFlags, @Nullable EditorInfo editorInfo,
+            IRemoteInputConnection inputConnection,
+            IRemoteAccessibilityInputConnection remoteAccessibilityInputConnection,
+            int unverifiedTargetSdkVersion, @UserIdInt int userId,
+            @NonNull ImeOnBackInvokedDispatcher imeDispatcher)
+            throws RemoteException {
+        // Should never be called when flag is enabled i.e. when this proxy is used.
+        return null;
+    }
+
+    @Override
+    public void showInputMethodPickerFromClient(IInputMethodClient client,
+            int auxiliarySubtypeMode)
+            throws RemoteException {
+        offload(() -> mInner.showInputMethodPickerFromClient(client, auxiliarySubtypeMode));
+    }
+
+    @EnforcePermission(Manifest.permission.WRITE_SECURE_SETTINGS)
+    @Override
+    public void showInputMethodPickerFromSystem(int auxiliarySubtypeMode, int displayId)
+            throws RemoteException {
+        mInner.showInputMethodPickerFromSystem(auxiliarySubtypeMode, displayId);
+    }
+
+    @EnforcePermission(Manifest.permission.TEST_INPUT_METHOD)
+    @Override
+    public boolean isInputMethodPickerShownForTest() throws RemoteException {
+        super.isInputMethodPickerShownForTest_enforcePermission();
+        return mInner.isInputMethodPickerShownForTest();
+    }
+
+    @Override
+    public InputMethodSubtype getCurrentInputMethodSubtype(int userId) throws RemoteException {
+        return mInner.getCurrentInputMethodSubtype(userId);
+    }
+
+    @Override
+    public void setAdditionalInputMethodSubtypes(String imiId, InputMethodSubtype[] subtypes,
+            @UserIdInt int userId) throws RemoteException {
+        mInner.setAdditionalInputMethodSubtypes(imiId, subtypes, userId);
+    }
+
+    @Override
+    public void setExplicitlyEnabledInputMethodSubtypes(String imeId,
+            @NonNull int[] subtypeHashCodes, @UserIdInt int userId) throws RemoteException {
+        mInner.setExplicitlyEnabledInputMethodSubtypes(imeId, subtypeHashCodes, userId);
+    }
+
+    @Override
+    public int getInputMethodWindowVisibleHeight(IInputMethodClient client)
+            throws RemoteException {
+        return mInner.getInputMethodWindowVisibleHeight(client);
+    }
+
+    @Override
+    public void reportPerceptibleAsync(IBinder windowToken, boolean perceptible)
+            throws RemoteException {
+        // Already async TODO(b/293640003): ordering issues?
+        mInner.reportPerceptibleAsync(windowToken, perceptible);
+    }
+
+    @EnforcePermission(Manifest.permission.INTERNAL_SYSTEM_WINDOW)
+    @Override
+    public void removeImeSurface() throws RemoteException {
+        mInner.removeImeSurface();
+    }
+
+    @Override
+    public void removeImeSurfaceFromWindowAsync(IBinder windowToken) throws RemoteException {
+        mInner.removeImeSurfaceFromWindowAsync(windowToken);
+    }
+
+    @Override
+    public void startProtoDump(byte[] bytes, int i, String s) throws RemoteException {
+        mInner.startProtoDump(bytes, i, s);
+    }
+
+    @Override
+    public boolean isImeTraceEnabled() throws RemoteException {
+        return mInner.isImeTraceEnabled();
+    }
+
+    @EnforcePermission(Manifest.permission.CONTROL_UI_TRACING)
+    @Override
+    public void startImeTrace() throws RemoteException {
+        mInner.startImeTrace();
+    }
+
+    @EnforcePermission(Manifest.permission.CONTROL_UI_TRACING)
+    @Override
+    public void stopImeTrace() throws RemoteException {
+        mInner.stopImeTrace();
+    }
+
+    @Override
+    public void startStylusHandwriting(IInputMethodClient client)
+            throws RemoteException {
+        offload(() -> mInner.startStylusHandwriting(client));
+    }
+
+    @Override
+    public void startConnectionlessStylusHandwriting(IInputMethodClient client, int userId,
+            @Nullable CursorAnchorInfo cursorAnchorInfo, @Nullable String delegatePackageName,
+            @Nullable String delegatorPackageName,
+            @NonNull IConnectionlessHandwritingCallback callback) throws RemoteException {
+        offload(() -> mInner.startConnectionlessStylusHandwriting(
+                client, userId, cursorAnchorInfo, delegatePackageName, delegatorPackageName,
+                callback));
+    }
+
+    @Override
+    public boolean acceptStylusHandwritingDelegation(
+            @NonNull IInputMethodClient client,
+            @UserIdInt int userId,
+            @NonNull String delegatePackageName,
+            @NonNull String delegatorPackageName,
+            @InputMethodManager.HandwritingDelegateFlags int flags) {
+        try {
+            return CompletableFuture.supplyAsync(() -> {
+                try {
+                    return mInner.acceptStylusHandwritingDelegation(
+                            client, userId, delegatePackageName, delegatorPackageName, flags);
+                } catch (RemoteException e) {
+                    throw new RuntimeException(e);
+                }
+            }, this::offload).get();
+        } catch (InterruptedException e) {
+            throw new RuntimeException(e);
+        } catch (ExecutionException e) {
+            throw new RuntimeException(e);
+        }
+    }
+
+    @Override
+    public void prepareStylusHandwritingDelegation(
+            @NonNull IInputMethodClient client,
+            @UserIdInt int userId,
+            @NonNull String delegatePackageName,
+            @NonNull String delegatorPackageName) {
+        offload(() -> mInner.prepareStylusHandwritingDelegation(
+                client, userId, delegatePackageName, delegatorPackageName));
+    }
+
+    @Override
+    public boolean isStylusHandwritingAvailableAsUser(int userId, boolean connectionless)
+            throws RemoteException {
+        return mInner.isStylusHandwritingAvailableAsUser(userId, connectionless);
+    }
+
+    @EnforcePermission("android.permission.TEST_INPUT_METHOD")
+    @Override
+    public void addVirtualStylusIdForTestSession(IInputMethodClient client)
+            throws RemoteException {
+        mInner.addVirtualStylusIdForTestSession(client);
+    }
+
+    @EnforcePermission("android.permission.TEST_INPUT_METHOD")
+    @Override
+    public void setStylusWindowIdleTimeoutForTest(IInputMethodClient client, long timeout)
+            throws RemoteException {
+        mInner.setStylusWindowIdleTimeoutForTest(client, timeout);
+    }
+
+    @Override
+    public IImeTracker getImeTrackerService() throws RemoteException {
+        return mInner.getImeTrackerService();
+    }
+
+    @BinderThread
+    @Override
+    public void onShellCommand(@Nullable FileDescriptor in, @Nullable FileDescriptor out,
+            @Nullable FileDescriptor err,
+            @NonNull String[] args, @Nullable ShellCallback callback,
+            @NonNull ResultReceiver resultReceiver) throws RemoteException {
+        ((InputMethodManagerService) mInner).onShellCommand(
+                in, out, err, args, callback, resultReceiver);
+    }
+
+    private void sendOnStartInputResult(
+            IInputMethodClient client, InputBindResult res, int startInputSeq) {
+        InputMethodManagerService service = (InputMethodManagerService) mInner;
+        final ClientState cs = service.getClientState(client);
+        if (cs != null && cs.mClient != null) {
+            cs.mClient.onStartInputResult(res, startInputSeq);
+        } else {
+            // client is unbound.
+            Slog.i(TAG, "Client that requested startInputOrWindowGainedFocus is no longer"
+                    + " bound. InputBindResult: " + res + " for startInputSeq: " + startInputSeq);
+        }
+    }
+}
+
diff --git a/services/core/java/com/android/server/ondeviceintelligence/OnDeviceIntelligenceManagerService.java b/services/core/java/com/android/server/ondeviceintelligence/OnDeviceIntelligenceManagerService.java
new file mode 100644
index 0000000..a4c4347
--- /dev/null
+++ b/services/core/java/com/android/server/ondeviceintelligence/OnDeviceIntelligenceManagerService.java
@@ -0,0 +1,419 @@
+/*
+ * 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.ondeviceintelligence;
+
+import android.Manifest;
+import android.annotation.NonNull;
+import android.app.AppGlobals;
+import android.app.ondeviceintelligence.Content;
+import android.app.ondeviceintelligence.DownloadCallback;
+import android.app.ondeviceintelligence.Feature;
+import android.app.ondeviceintelligence.IDownloadCallback;
+import android.app.ondeviceintelligence.IFeatureCallback;
+import android.app.ondeviceintelligence.IFeatureDetailsCallback;
+import android.app.ondeviceintelligence.IListFeaturesCallback;
+import android.app.ondeviceintelligence.IOnDeviceIntelligenceManager;
+import android.app.ondeviceintelligence.IProcessingSignal;
+import android.app.ondeviceintelligence.IResponseCallback;
+import android.app.ondeviceintelligence.IStreamingResponseCallback;
+import android.app.ondeviceintelligence.ITokenCountCallback;
+import android.app.ondeviceintelligence.OnDeviceIntelligenceManager;
+import android.content.ComponentName;
+import android.content.Context;
+import android.content.pm.PackageManager;
+import android.content.pm.ServiceInfo;
+import android.os.ICancellationSignal;
+import android.os.ParcelFileDescriptor;
+import android.os.PersistableBundle;
+import android.os.RemoteCallback;
+import android.os.RemoteException;
+import android.os.UserHandle;
+import android.provider.DeviceConfig;
+import android.service.ondeviceintelligence.IOnDeviceTrustedInferenceService;
+import android.service.ondeviceintelligence.IRemoteStorageService;
+import android.text.TextUtils;
+import android.util.Slog;
+
+import com.android.internal.R;
+import com.android.internal.annotations.GuardedBy;
+import com.android.internal.infra.AndroidFuture;
+import com.android.internal.infra.ServiceConnector;
+import com.android.internal.os.BackgroundThread;
+import com.android.server.SystemService;
+
+import java.util.Objects;
+import java.util.Set;
+
+/**
+ * This is the system service for handling calls on the {@link OnDeviceIntelligenceManager}. This
+ * service holds connection references to the underlying remote services i.e. the isolated service
+ * {@link android.service.ondeviceintelligence.OnDeviceTrustedInferenceService} and a regular
+ * service counter part {@link android.service.ondeviceintelligence.OnDeviceIntelligenceService}.
+ *
+ * Note: Both the remote services run under the SYSTEM user, as we cannot have separate instance of
+ * the Inference service for each user, due to possible high memory footprint.
+ *
+ * @hide
+ */
+public class OnDeviceIntelligenceManagerService extends SystemService {
+
+    private static final String TAG = OnDeviceIntelligenceManagerService.class.getSimpleName();
+    private static final String KEY_SERVICE_ENABLED = "service_enabled";
+
+    /** Default value in absence of {@link DeviceConfig} override. */
+    private static final boolean DEFAULT_SERVICE_ENABLED = true;
+    private static final String NAMESPACE_ON_DEVICE_INTELLIGENCE = "ondeviceintelligence";
+
+    private final Context mContext;
+    protected final Object mLock = new Object();
+
+
+    private RemoteOnDeviceTrustedInferenceService mRemoteInferenceService;
+    private RemoteOnDeviceIntelligenceService mRemoteOnDeviceIntelligenceService;
+    volatile boolean mIsServiceEnabled;
+
+    public OnDeviceIntelligenceManagerService(Context context) {
+        super(context);
+        mContext = context;
+    }
+
+    @Override
+    public void onStart() {
+        publishBinderService(
+                Context.ON_DEVICE_INTELLIGENCE_SERVICE, new OnDeviceIntelligenceManagerInternal(),
+                /* allowIsolated = */true);
+    }
+
+
+    @Override
+    public void onBootPhase(int phase) {
+        if (phase == SystemService.PHASE_SYSTEM_SERVICES_READY) {
+            DeviceConfig.addOnPropertiesChangedListener(
+                    NAMESPACE_ON_DEVICE_INTELLIGENCE,
+                    BackgroundThread.getExecutor(),
+                    (properties) -> onDeviceConfigChange(properties.getKeyset()));
+
+            mIsServiceEnabled = isServiceEnabled();
+        }
+    }
+
+    private void onDeviceConfigChange(@NonNull Set<String> keys) {
+        if (keys.contains(KEY_SERVICE_ENABLED)) {
+            mIsServiceEnabled = isServiceEnabled();
+        }
+    }
+
+    private boolean isServiceEnabled() {
+        return DeviceConfig.getBoolean(
+                NAMESPACE_ON_DEVICE_INTELLIGENCE,
+                KEY_SERVICE_ENABLED, DEFAULT_SERVICE_ENABLED);
+    }
+
+    private final class OnDeviceIntelligenceManagerInternal extends
+            IOnDeviceIntelligenceManager.Stub {
+        @Override
+        public void getVersion(RemoteCallback remoteCallback) throws RemoteException {
+            Slog.i(TAG, "OnDeviceIntelligenceManagerInternal getVersion");
+            Objects.requireNonNull(remoteCallback);
+            mContext.enforceCallingOrSelfPermission(
+                    Manifest.permission.USE_ON_DEVICE_INTELLIGENCE, TAG);
+            if (!mIsServiceEnabled) {
+                Slog.w(TAG, "Service not available");
+                remoteCallback.sendResult(null);
+                return;
+            }
+            ensureRemoteIntelligenceServiceInitialized();
+            mRemoteOnDeviceIntelligenceService.post(
+                    service -> service.getVersion(remoteCallback));
+        }
+
+        @Override
+        public void getFeature(int id, IFeatureCallback featureCallback) throws RemoteException {
+            Slog.i(TAG, "OnDeviceIntelligenceManagerInternal getFeatures");
+            Objects.requireNonNull(featureCallback);
+            mContext.enforceCallingOrSelfPermission(
+                    Manifest.permission.USE_ON_DEVICE_INTELLIGENCE, TAG);
+            if (!mIsServiceEnabled) {
+                Slog.w(TAG, "Service not available");
+                featureCallback.onFailure(
+                        OnDeviceIntelligenceManager.OnDeviceIntelligenceManagerException.ON_DEVICE_INTELLIGENCE_SERVICE_UNAVAILABLE,
+                        "OnDeviceIntelligenceManagerService is unavailable",
+                        new PersistableBundle());
+                return;
+            }
+            ensureRemoteIntelligenceServiceInitialized();
+            mRemoteOnDeviceIntelligenceService.post(
+                    service -> service.getFeature(id, featureCallback));
+        }
+
+        @Override
+        public void listFeatures(IListFeaturesCallback listFeaturesCallback)
+                throws RemoteException {
+            Slog.i(TAG, "OnDeviceIntelligenceManagerInternal getFeatures");
+            Objects.requireNonNull(listFeaturesCallback);
+            mContext.enforceCallingOrSelfPermission(
+                    Manifest.permission.USE_ON_DEVICE_INTELLIGENCE, TAG);
+            if (!mIsServiceEnabled) {
+                Slog.w(TAG, "Service not available");
+                listFeaturesCallback.onFailure(
+                        OnDeviceIntelligenceManager.OnDeviceIntelligenceManagerException.ON_DEVICE_INTELLIGENCE_SERVICE_UNAVAILABLE,
+                        "OnDeviceIntelligenceManagerService is unavailable",
+                        new PersistableBundle());
+                return;
+            }
+            ensureRemoteIntelligenceServiceInitialized();
+            mRemoteOnDeviceIntelligenceService.post(
+                    service -> service.listFeatures(listFeaturesCallback));
+        }
+
+        @Override
+        public void getFeatureDetails(Feature feature,
+                IFeatureDetailsCallback featureDetailsCallback)
+                throws RemoteException {
+            Slog.i(TAG, "OnDeviceIntelligenceManagerInternal getFeatureStatus");
+            Objects.requireNonNull(feature);
+            Objects.requireNonNull(featureDetailsCallback);
+            mContext.enforceCallingOrSelfPermission(
+                    Manifest.permission.USE_ON_DEVICE_INTELLIGENCE, TAG);
+            if (!mIsServiceEnabled) {
+                Slog.w(TAG, "Service not available");
+                featureDetailsCallback.onFailure(
+                        OnDeviceIntelligenceManager.OnDeviceIntelligenceManagerException.ON_DEVICE_INTELLIGENCE_SERVICE_UNAVAILABLE,
+                        "OnDeviceIntelligenceManagerService is unavailable",
+                        new PersistableBundle());
+                return;
+            }
+            ensureRemoteIntelligenceServiceInitialized();
+            mRemoteOnDeviceIntelligenceService.post(
+                    service -> service.getFeatureDetails(feature, featureDetailsCallback));
+        }
+
+        @Override
+        public void requestFeatureDownload(Feature feature, ICancellationSignal cancellationSignal,
+                IDownloadCallback downloadCallback) throws RemoteException {
+            Slog.i(TAG, "OnDeviceIntelligenceManagerInternal requestFeatureDownload");
+            Objects.requireNonNull(feature);
+            Objects.requireNonNull(downloadCallback);
+            mContext.enforceCallingOrSelfPermission(
+                    Manifest.permission.USE_ON_DEVICE_INTELLIGENCE, TAG);
+            if (!mIsServiceEnabled) {
+                Slog.w(TAG, "Service not available");
+                downloadCallback.onDownloadFailed(
+                        DownloadCallback.DOWNLOAD_FAILURE_STATUS_UNAVAILABLE,
+                        "OnDeviceIntelligenceManagerService is unavailable",
+                        new PersistableBundle());
+            }
+            ensureRemoteIntelligenceServiceInitialized();
+            mRemoteOnDeviceIntelligenceService.post(
+                    service -> service.requestFeatureDownload(feature, cancellationSignal,
+                            downloadCallback));
+        }
+
+
+        @Override
+        public void requestTokenCount(Feature feature,
+                Content request, ICancellationSignal cancellationSignal,
+                ITokenCountCallback tokenCountcallback) throws RemoteException {
+            Slog.i(TAG, "OnDeviceIntelligenceManagerInternal prepareFeatureProcessing");
+            Objects.requireNonNull(feature);
+            Objects.requireNonNull(request);
+            Objects.requireNonNull(tokenCountcallback);
+
+            mContext.enforceCallingOrSelfPermission(
+                    Manifest.permission.USE_ON_DEVICE_INTELLIGENCE, TAG);
+            if (!mIsServiceEnabled) {
+                Slog.w(TAG, "Service not available");
+                tokenCountcallback.onFailure(
+                        OnDeviceIntelligenceManager.OnDeviceIntelligenceManagerException.ON_DEVICE_INTELLIGENCE_SERVICE_UNAVAILABLE,
+                        "OnDeviceIntelligenceManagerService is unavailable",
+                        new PersistableBundle());
+            }
+            ensureRemoteTrustedInferenceServiceInitialized();
+            mRemoteInferenceService.post(
+                    service -> service.requestTokenCount(feature, request, cancellationSignal,
+                            tokenCountcallback));
+        }
+
+        @Override
+        public void processRequest(Feature feature,
+                Content request,
+                int requestType,
+                ICancellationSignal cancellationSignal,
+                IProcessingSignal processingSignal,
+                IResponseCallback responseCallback)
+                throws RemoteException {
+            Slog.i(TAG, "OnDeviceIntelligenceManagerInternal processRequest");
+            Objects.requireNonNull(feature);
+            Objects.requireNonNull(responseCallback);
+            Objects.requireNonNull(request);
+            mContext.enforceCallingOrSelfPermission(
+                    Manifest.permission.USE_ON_DEVICE_INTELLIGENCE, TAG);
+            if (!mIsServiceEnabled) {
+                Slog.w(TAG, "Service not available");
+                responseCallback.onFailure(
+                        OnDeviceIntelligenceManager.OnDeviceIntelligenceManagerProcessingException.PROCESSING_ERROR_SERVICE_UNAVAILABLE,
+                        "OnDeviceIntelligenceManagerService is unavailable",
+                        new PersistableBundle());
+            }
+            ensureRemoteTrustedInferenceServiceInitialized();
+            mRemoteInferenceService.post(
+                    service -> service.processRequest(feature, request, requestType,
+                            cancellationSignal, processingSignal,
+                            responseCallback));
+        }
+
+        @Override
+        public void processRequestStreaming(Feature feature,
+                Content request,
+                int requestType,
+                ICancellationSignal cancellationSignal,
+                IProcessingSignal processingSignal,
+                IStreamingResponseCallback streamingCallback) throws RemoteException {
+            Slog.i(TAG, "OnDeviceIntelligenceManagerInternal processRequestStreaming");
+            Objects.requireNonNull(feature);
+            Objects.requireNonNull(request);
+            Objects.requireNonNull(streamingCallback);
+            mContext.enforceCallingOrSelfPermission(
+                    Manifest.permission.USE_ON_DEVICE_INTELLIGENCE, TAG);
+            if (!mIsServiceEnabled) {
+                Slog.w(TAG, "Service not available");
+                streamingCallback.onFailure(
+                        OnDeviceIntelligenceManager.OnDeviceIntelligenceManagerProcessingException.PROCESSING_ERROR_SERVICE_UNAVAILABLE,
+                        "OnDeviceIntelligenceManagerService is unavailable",
+                        new PersistableBundle());
+            }
+            ensureRemoteTrustedInferenceServiceInitialized();
+            mRemoteInferenceService.post(
+                    service -> service.processRequestStreaming(feature, request, requestType,
+                            cancellationSignal, processingSignal,
+                            streamingCallback));
+        }
+    }
+
+    private void ensureRemoteIntelligenceServiceInitialized() throws RemoteException {
+        synchronized (mLock) {
+            if (mRemoteOnDeviceIntelligenceService == null) {
+                String serviceName = mContext.getResources().getString(
+                        R.string.config_defaultOnDeviceIntelligenceService);
+                validateService(serviceName, false);
+                mRemoteOnDeviceIntelligenceService = new RemoteOnDeviceIntelligenceService(mContext,
+                        ComponentName.unflattenFromString(serviceName),
+                        UserHandle.SYSTEM.getIdentifier());
+            }
+        }
+    }
+
+    private void ensureRemoteTrustedInferenceServiceInitialized() throws RemoteException {
+        synchronized (mLock) {
+            if (mRemoteInferenceService == null) {
+                String serviceName = mContext.getResources().getString(
+                        R.string.config_defaultOnDeviceTrustedInferenceService);
+                validateService(serviceName, true);
+                mRemoteInferenceService = new RemoteOnDeviceTrustedInferenceService(mContext,
+                        ComponentName.unflattenFromString(serviceName),
+                        UserHandle.SYSTEM.getIdentifier());
+                mRemoteInferenceService.setServiceLifecycleCallbacks(
+                        new ServiceConnector.ServiceLifecycleCallbacks<>() {
+                            @Override
+                            public void onConnected(
+                                    @NonNull IOnDeviceTrustedInferenceService service) {
+                                try {
+                                    service.registerRemoteStorageService(
+                                            getIRemoteStorageService());
+                                } catch (RemoteException ex) {
+                                    Slog.w(TAG, "Failed to send connected event", ex);
+                                }
+                            }
+                        });
+            }
+        }
+    }
+
+    @NonNull
+    private IRemoteStorageService.Stub getIRemoteStorageService() {
+        return new IRemoteStorageService.Stub() {
+            @Override
+            public void getReadOnlyFileDescriptor(
+                    String filePath,
+                    AndroidFuture<ParcelFileDescriptor> future) {
+                mRemoteOnDeviceIntelligenceService.post(
+                        service -> service.getReadOnlyFileDescriptor(
+                                filePath, future));
+            }
+
+            @Override
+            public void getReadOnlyFeatureFileDescriptorMap(
+                    Feature feature,
+                    RemoteCallback remoteCallback)
+                    throws RemoteException {
+                mRemoteOnDeviceIntelligenceService.post(
+                        service -> service.getReadOnlyFeatureFileDescriptorMap(
+                                feature, remoteCallback));
+            }
+        };
+    }
+
+    @GuardedBy("mLock")
+    private void validateService(String serviceName, boolean checkIsolated)
+            throws RemoteException {
+        if (TextUtils.isEmpty(serviceName)) {
+            throw new RuntimeException("");
+        }
+        ComponentName serviceComponent = ComponentName.unflattenFromString(
+                serviceName);
+        ServiceInfo serviceInfo = AppGlobals.getPackageManager().getServiceInfo(
+                serviceComponent,
+                PackageManager.MATCH_DIRECT_BOOT_AWARE
+                        | PackageManager.MATCH_DIRECT_BOOT_UNAWARE, 0);
+        if (serviceInfo != null) {
+            if (!checkIsolated) {
+                checkServiceRequiresPermission(serviceInfo,
+                        Manifest.permission.BIND_ON_DEVICE_INTELLIGENCE_SERVICE);
+                return;
+            }
+
+            checkServiceRequiresPermission(serviceInfo,
+                    Manifest.permission.BIND_ON_DEVICE_TRUSTED_SERVICE);
+            if (!isIsolatedService(serviceInfo)) {
+                throw new SecurityException(
+                        "Call required an isolated service, but the configured service: "
+                                + serviceName + ", is not isolated");
+            }
+        } else {
+            throw new RuntimeException(
+                    "Could not find service info for serviceName: " + serviceName);
+        }
+    }
+
+    private static void checkServiceRequiresPermission(ServiceInfo serviceInfo,
+            String requiredPermission) {
+        final String permission = serviceInfo.permission;
+        if (!requiredPermission.equals(permission)) {
+            throw new SecurityException(String.format(
+                    "Service %s requires %s permission. Found %s permission",
+                    serviceInfo.getComponentName(),
+                    requiredPermission,
+                    serviceInfo.permission));
+        }
+    }
+
+    @GuardedBy("mLock")
+    private boolean isIsolatedService(@NonNull ServiceInfo serviceInfo) {
+        return (serviceInfo.flags & ServiceInfo.FLAG_ISOLATED_PROCESS) != 0
+                && (serviceInfo.flags & ServiceInfo.FLAG_EXTERNAL_SERVICE) == 0;
+    }
+}
diff --git a/services/core/java/com/android/server/ondeviceintelligence/RemoteOnDeviceIntelligenceService.java b/services/core/java/com/android/server/ondeviceintelligence/RemoteOnDeviceIntelligenceService.java
new file mode 100644
index 0000000..48258d7
--- /dev/null
+++ b/services/core/java/com/android/server/ondeviceintelligence/RemoteOnDeviceIntelligenceService.java
@@ -0,0 +1,56 @@
+/*
+ * 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.ondeviceintelligence;
+
+import static android.content.Context.BIND_FOREGROUND_SERVICE;
+import static android.content.Context.BIND_INCLUDE_CAPABILITIES;
+
+import android.content.ComponentName;
+import android.content.Context;
+import android.content.Intent;
+import android.service.ondeviceintelligence.IOnDeviceIntelligenceService;
+import android.service.ondeviceintelligence.OnDeviceIntelligenceService;
+
+import com.android.internal.infra.ServiceConnector;
+
+/**
+ * Manages the connection to the remote on-device intelligence service. Also, handles unbinding
+ * logic set by the service implementation via a Secure Settings flag.
+ */
+public class RemoteOnDeviceIntelligenceService extends
+        ServiceConnector.Impl<IOnDeviceIntelligenceService> {
+    private static final String TAG =
+            RemoteOnDeviceIntelligenceService.class.getSimpleName();
+
+    RemoteOnDeviceIntelligenceService(Context context, ComponentName serviceName,
+            int userId) {
+        super(context, new Intent(
+                        OnDeviceIntelligenceService.SERVICE_INTERFACE).setComponent(serviceName),
+                BIND_FOREGROUND_SERVICE | BIND_INCLUDE_CAPABILITIES, userId,
+                IOnDeviceIntelligenceService.Stub::asInterface);
+
+        // Bind right away
+        connect();
+    }
+
+    @Override
+    protected long getAutoDisconnectTimeoutMs() {
+        // Disable automatic unbinding.
+        // TODO: add logic to fetch this flag via SecureSettings.
+        return -1;
+    }
+}
diff --git a/services/core/java/com/android/server/ondeviceintelligence/RemoteOnDeviceTrustedInferenceService.java b/services/core/java/com/android/server/ondeviceintelligence/RemoteOnDeviceTrustedInferenceService.java
new file mode 100644
index 0000000..cc8e788
--- /dev/null
+++ b/services/core/java/com/android/server/ondeviceintelligence/RemoteOnDeviceTrustedInferenceService.java
@@ -0,0 +1,64 @@
+/*
+ * 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.ondeviceintelligence;
+
+import static android.content.Context.BIND_FOREGROUND_SERVICE;
+import static android.content.Context.BIND_INCLUDE_CAPABILITIES;
+
+import android.content.ComponentName;
+import android.content.Context;
+import android.content.Intent;
+import android.service.ondeviceintelligence.IOnDeviceTrustedInferenceService;
+import android.service.ondeviceintelligence.OnDeviceTrustedInferenceService;
+
+import com.android.internal.infra.ServiceConnector;
+
+
+/**
+ * Manages the connection to the remote on-device trusted inference service. Also, handles unbinding
+ * logic set by the service implementation via a SecureSettings flag.
+ */
+public class RemoteOnDeviceTrustedInferenceService extends
+        ServiceConnector.Impl<IOnDeviceTrustedInferenceService> {
+    /**
+     * Creates an instance of {@link ServiceConnector}
+     *
+     * See {@code protected} methods for optional parameters you can override.
+     *
+     * @param context to be used for {@link Context#bindServiceAsUser binding} and
+     *                {@link Context#unbindService unbinding}
+     * @param userId  to be used for {@link Context#bindServiceAsUser binding}
+     */
+    RemoteOnDeviceTrustedInferenceService(Context context, ComponentName serviceName,
+            int userId) {
+        super(context, new Intent(
+                        OnDeviceTrustedInferenceService.SERVICE_INTERFACE).setComponent(serviceName),
+                BIND_FOREGROUND_SERVICE | BIND_INCLUDE_CAPABILITIES, userId,
+                IOnDeviceTrustedInferenceService.Stub::asInterface);
+
+        // Bind right away
+        connect();
+    }
+
+
+    @Override
+    protected long getAutoDisconnectTimeoutMs() {
+        // Disable automatic unbinding.
+        // TODO: add logic to fetch this flag via SecureSettings.
+        return -1;
+    }
+}
diff --git a/services/core/java/com/android/server/pm/PackageArchiver.java b/services/core/java/com/android/server/pm/PackageArchiver.java
index 05e8f9a..df4e5a3 100644
--- a/services/core/java/com/android/server/pm/PackageArchiver.java
+++ b/services/core/java/com/android/server/pm/PackageArchiver.java
@@ -354,21 +354,18 @@
                 ps.setArchiveState(/* archiveState= */ null, userId);
             }
         }
-        mPm.mBackgroundHandler.post(
-                () -> {
-                    File iconsDir = getIconsDir(packageName, userId);
-                    if (!iconsDir.exists()) {
-                        return;
-                    }
-                    // TODO(b/319238030) Move this into installd.
-                    if (!FileUtils.deleteContentsAndDir(iconsDir)) {
-                        Slog.e(TAG, "Failed to clean up archive files for " + packageName);
-                    } else {
-                        if (DEBUG) {
-                            Slog.e(TAG, "Deleted icons at " + iconsDir.getAbsolutePath());
-                        }
-                    }
-                });
+        File iconsDir = getIconsDir(packageName, userId);
+        if (!iconsDir.exists()) {
+            return;
+        }
+        // TODO(b/319238030) Move this into installd.
+        if (!FileUtils.deleteContentsAndDir(iconsDir)) {
+            Slog.e(TAG, "Failed to clean up archive files for " + packageName);
+        } else {
+            if (DEBUG) {
+                Slog.e(TAG, "Deleted icons at " + iconsDir.getAbsolutePath());
+            }
+        }
     }
 
     @Nullable
diff --git a/services/core/java/com/android/server/statusbar/StatusBarManagerInternal.java b/services/core/java/com/android/server/statusbar/StatusBarManagerInternal.java
index a4c6959..3c6baa8 100644
--- a/services/core/java/com/android/server/statusbar/StatusBarManagerInternal.java
+++ b/services/core/java/com/android/server/statusbar/StatusBarManagerInternal.java
@@ -255,4 +255,9 @@
      * @param tile the ComponentName of the {@link android.service.quicksettings.TileService}
      */
     void removeQsTile(ComponentName tile);
+
+    /**
+     * Called when requested to enter desktop from an app.
+     */
+    void enterDesktop(int displayId);
 }
diff --git a/services/core/java/com/android/server/statusbar/StatusBarManagerService.java b/services/core/java/com/android/server/statusbar/StatusBarManagerService.java
index fd316ea..14c38bd 100644
--- a/services/core/java/com/android/server/statusbar/StatusBarManagerService.java
+++ b/services/core/java/com/android/server/statusbar/StatusBarManagerService.java
@@ -830,6 +830,15 @@
         }
 
         @Override
+        public void enterDesktop(int displayId) {
+            IStatusBar bar = mBar;
+            if (bar != null) {
+                try {
+                    bar.enterDesktop(displayId);
+                } catch (RemoteException ex) { }
+            }
+        }
+        @Override
         public void showMediaOutputSwitcher(String packageName) {
             IStatusBar bar = mBar;
             if (bar != null) {
diff --git a/services/core/java/com/android/server/vibrator/VibrationSettings.java b/services/core/java/com/android/server/vibrator/VibrationSettings.java
index fab0430..99ce3e2 100644
--- a/services/core/java/com/android/server/vibrator/VibrationSettings.java
+++ b/services/core/java/com/android/server/vibrator/VibrationSettings.java
@@ -31,6 +31,7 @@
 import android.annotation.NonNull;
 import android.annotation.Nullable;
 import android.app.ActivityManager;
+import android.app.SynchronousUserSwitchObserver;
 import android.app.UidObserver;
 import android.content.BroadcastReceiver;
 import android.content.Context;
@@ -145,8 +146,6 @@
                     PowerManager.GO_TO_SLEEP_REASON_INATTENTIVE,
                     PowerManager.GO_TO_SLEEP_REASON_TIMEOUT));
 
-    private static final IntentFilter USER_SWITCHED_INTENT_FILTER =
-            new IntentFilter(Intent.ACTION_USER_SWITCHED);
     private static final IntentFilter INTERNAL_RINGER_MODE_CHANGED_INTENT_FILTER =
             new IntentFilter(AudioManager.INTERNAL_RINGER_MODE_CHANGED_ACTION);
 
@@ -162,9 +161,11 @@
     @VisibleForTesting
     final SettingsContentObserver mSettingObserver;
     @VisibleForTesting
-    final MyUidObserver mUidObserver;
-    @VisibleForTesting
     final SettingsBroadcastReceiver mSettingChangeReceiver;
+    @VisibleForTesting
+    final VibrationUidObserver mUidObserver;
+    @VisibleForTesting
+    final VibrationUserSwitchObserver mUserSwitchObserver;
 
     @GuardedBy("mLock")
     private final List<OnVibratorSettingsChanged> mListeners = new ArrayList<>();
@@ -205,8 +206,9 @@
         mContext = context;
         mVibrationConfig = config;
         mSettingObserver = new SettingsContentObserver(handler);
-        mUidObserver = new MyUidObserver();
         mSettingChangeReceiver = new SettingsBroadcastReceiver();
+        mUidObserver = new VibrationUidObserver();
+        mUserSwitchObserver = new VibrationUserSwitchObserver();
         mSystemUiPackage = LocalServices.getService(PackageManagerInternal.class)
                 .getSystemUiServiceComponent().getPackageName();
 
@@ -245,7 +247,13 @@
         try {
             ActivityManager.getService().registerUidObserver(mUidObserver,
                     ActivityManager.UID_OBSERVER_PROCSTATE | ActivityManager.UID_OBSERVER_GONE,
-                    ActivityManager.PROCESS_STATE_UNKNOWN, null);
+                    ActivityManager.PROCESS_STATE_UNKNOWN, /* callingPackage= */ null);
+        } catch (RemoteException e) {
+            // ignored; both services live in system_server
+        }
+
+        try {
+            ActivityManager.getService().registerUserSwitchObserver(mUserSwitchObserver, TAG);
         } catch (RemoteException e) {
             // ignored; both services live in system_server
         }
@@ -270,7 +278,6 @@
                     }
                 });
 
-        registerSettingsChangeReceiver(USER_SWITCHED_INTENT_FILTER);
         registerSettingsChangeReceiver(INTERNAL_RINGER_MODE_CHANGED_INTENT_FILTER);
 
         // Listen to all settings that might affect the result of Vibrator.getVibrationIntensity.
@@ -540,41 +547,44 @@
 
     /** Update all cached settings and triggers registered listeners. */
     void update() {
-        updateSettings();
+        updateSettings(UserHandle.USER_CURRENT);
         updateRingerMode();
         notifyListeners();
     }
 
-    private void updateSettings() {
+    private void updateSettings(int userHandle) {
         synchronized (mLock) {
-            mVibrateInputDevices = loadSystemSetting(Settings.System.VIBRATE_INPUT_DEVICES, 0) > 0;
-            mVibrateOn = loadSystemSetting(Settings.System.VIBRATE_ON, 1) > 0;
+            mVibrateInputDevices =
+                    loadSystemSetting(Settings.System.VIBRATE_INPUT_DEVICES, 0, userHandle) > 0;
+            mVibrateOn = loadSystemSetting(Settings.System.VIBRATE_ON, 1, userHandle) > 0;
             mKeyboardVibrationOn = loadSystemSetting(Settings.System.KEYBOARD_VIBRATION_ENABLED,
-                    mVibrationConfig.isDefaultKeyboardVibrationEnabled() ? 1 : 0) > 0;
+                    mVibrationConfig.isDefaultKeyboardVibrationEnabled() ? 1 : 0, userHandle) > 0;
 
             int alarmIntensity = toIntensity(
-                    loadSystemSetting(Settings.System.ALARM_VIBRATION_INTENSITY, -1),
+                    loadSystemSetting(Settings.System.ALARM_VIBRATION_INTENSITY, -1, userHandle),
                     getDefaultIntensity(USAGE_ALARM));
             int defaultHapticFeedbackIntensity = getDefaultIntensity(USAGE_TOUCH);
             int hapticFeedbackIntensity = toIntensity(
-                    loadSystemSetting(Settings.System.HAPTIC_FEEDBACK_INTENSITY, -1),
+                    loadSystemSetting(Settings.System.HAPTIC_FEEDBACK_INTENSITY, -1, userHandle),
                     defaultHapticFeedbackIntensity);
             int positiveHapticFeedbackIntensity = toPositiveIntensity(
                     hapticFeedbackIntensity, defaultHapticFeedbackIntensity);
             int hardwareFeedbackIntensity = toIntensity(
-                    loadSystemSetting(Settings.System.HARDWARE_HAPTIC_FEEDBACK_INTENSITY, -1),
+                    loadSystemSetting(Settings.System.HARDWARE_HAPTIC_FEEDBACK_INTENSITY, -1,
+                            userHandle),
                     positiveHapticFeedbackIntensity);
             int mediaIntensity = toIntensity(
-                    loadSystemSetting(Settings.System.MEDIA_VIBRATION_INTENSITY, -1),
+                    loadSystemSetting(Settings.System.MEDIA_VIBRATION_INTENSITY, -1, userHandle),
                     getDefaultIntensity(USAGE_MEDIA));
             int defaultNotificationIntensity = getDefaultIntensity(USAGE_NOTIFICATION);
             int notificationIntensity = toIntensity(
-                    loadSystemSetting(Settings.System.NOTIFICATION_VIBRATION_INTENSITY, -1),
+                    loadSystemSetting(Settings.System.NOTIFICATION_VIBRATION_INTENSITY, -1,
+                            userHandle),
                     defaultNotificationIntensity);
             int positiveNotificationIntensity = toPositiveIntensity(
                     notificationIntensity, defaultNotificationIntensity);
             int ringIntensity = toIntensity(
-                    loadSystemSetting(Settings.System.RING_VIBRATION_INTENSITY, -1),
+                    loadSystemSetting(Settings.System.RING_VIBRATION_INTENSITY, -1, userHandle),
                     getDefaultIntensity(USAGE_RINGTONE));
 
             mCurrentVibrationIntensities.clear();
@@ -593,7 +603,7 @@
             mCurrentVibrationIntensities.put(USAGE_HARDWARE_FEEDBACK, hardwareFeedbackIntensity);
             mCurrentVibrationIntensities.put(USAGE_PHYSICAL_EMULATION, hardwareFeedbackIntensity);
 
-            if (!loadBooleanSetting(Settings.System.HAPTIC_FEEDBACK_ENABLED)) {
+            if (!loadBooleanSetting(Settings.System.HAPTIC_FEEDBACK_ENABLED, userHandle)) {
                 // Make sure deprecated boolean setting still disables touch vibrations.
                 mCurrentVibrationIntensities.put(USAGE_TOUCH, Vibrator.VIBRATION_INTENSITY_OFF);
             } else {
@@ -744,14 +754,13 @@
         return value;
     }
 
-    private boolean loadBooleanSetting(String settingKey) {
-        return Settings.System.getIntForUser(mContext.getContentResolver(),
-                settingKey, 0, UserHandle.USER_CURRENT) != 0;
+    private boolean loadBooleanSetting(String settingKey, int userHandle) {
+        return loadSystemSetting(settingKey, 0, userHandle) != 0;
     }
 
-    private int loadSystemSetting(String settingName, int defaultValue) {
+    private int loadSystemSetting(String settingName, int defaultValue, int userHandle) {
         return Settings.System.getIntForUser(mContext.getContentResolver(),
-                settingName, defaultValue, UserHandle.USER_CURRENT);
+                settingName, defaultValue, userHandle);
     }
 
     private void registerSettingsObserver(Uri settingUri) {
@@ -828,24 +837,18 @@
 
         @Override
         public void onChange(boolean selfChange) {
-            updateSettings();
+            updateSettings(UserHandle.USER_CURRENT);
             notifyListeners();
         }
     }
 
-    /**
-     * Implementation of {@link BroadcastReceiver} to update settings on current user or ringer
-     * mode change.
-     */
+    /** Implementation of {@link BroadcastReceiver} to update on ringer mode change. */
     @VisibleForTesting
     final class SettingsBroadcastReceiver extends BroadcastReceiver {
         @Override
         public void onReceive(Context context, Intent intent) {
             String action = intent.getAction();
-            if (Intent.ACTION_USER_SWITCHED.equals(action)) {
-                // Reload all settings, as they are user-based.
-                update();
-            } else if (AudioManager.INTERNAL_RINGER_MODE_CHANGED_ACTION.equals(action)) {
+            if (AudioManager.INTERNAL_RINGER_MODE_CHANGED_ACTION.equals(action)) {
                 updateRingerMode();
                 notifyListeners();
             }
@@ -854,7 +857,7 @@
 
     /** Implementation of {@link ContentObserver} to be registered to a setting {@link Uri}. */
     @VisibleForTesting
-    final class MyUidObserver extends UidObserver {
+    final class VibrationUidObserver extends UidObserver {
         private final SparseArray<Integer> mProcStatesCache = new SparseArray<>();
 
         public boolean isUidForeground(int uid) {
@@ -878,4 +881,23 @@
             }
         }
     }
+
+    /** Implementation of {@link SynchronousUserSwitchObserver} to update on user switch. */
+    @VisibleForTesting
+    final class VibrationUserSwitchObserver extends SynchronousUserSwitchObserver {
+
+        @Override
+        public void onUserSwitching(int newUserId) {
+            // Reload settings early based on new user id.
+            updateSettings(newUserId);
+            notifyListeners();
+        }
+
+        @Override
+        public void onUserSwitchComplete(int newUserId) {
+            // Reload all settings including ones from AudioManager,
+            // as they are based on UserHandle.USER_CURRENT.
+            update();
+        }
+    }
 }
diff --git a/services/core/java/com/android/server/vibrator/VibratorManagerService.java b/services/core/java/com/android/server/vibrator/VibratorManagerService.java
index 759450b..5d172a9 100644
--- a/services/core/java/com/android/server/vibrator/VibratorManagerService.java
+++ b/services/core/java/com/android/server/vibrator/VibratorManagerService.java
@@ -2220,9 +2220,12 @@
             // only cancel background vibrations.
             IBinder deathBinder = commonOptions.background ? VibratorManagerService.this
                     : mShellCallbacksToken;
-            HalVibration vib = vibrateWithPermissionCheck(Binder.getCallingUid(),
-                    Context.DEVICE_ID_DEFAULT, SHELL_PACKAGE_NAME, combined, attrs,
-                    commonOptions.description, deathBinder);
+            int uid = Binder.getCallingUid();
+            // Resolve the package name for the client based on the process UID, to cover cases like
+            // rooted shell clients using ROOT_UID.
+            String resolvedPackageName = AppOpsManager.resolvePackageName(uid, SHELL_PACKAGE_NAME);
+            HalVibration vib = vibrateWithPermissionCheck(uid, Context.DEVICE_ID_DEFAULT,
+                    resolvedPackageName, combined, attrs, commonOptions.description, deathBinder);
             maybeWaitOnVibration(vib, commonOptions);
         }
 
diff --git a/services/core/java/com/android/server/wearable/WearableSensingManagerService.java b/services/core/java/com/android/server/wearable/WearableSensingManagerService.java
index 00c3026..d05482d 100644
--- a/services/core/java/com/android/server/wearable/WearableSensingManagerService.java
+++ b/services/core/java/com/android/server/wearable/WearableSensingManagerService.java
@@ -55,6 +55,7 @@
 import com.android.server.utils.quota.MultiRateLimiter;
 
 import java.io.FileDescriptor;
+import java.time.Duration;
 import java.util.HashSet;
 import java.util.Objects;
 import java.util.Set;
@@ -106,7 +107,7 @@
     private final Context mContext;
     private final AtomicInteger mNextDataRequestObserverId = new AtomicInteger(1);
     private final Set<DataRequestObserverContext> mDataRequestObserverContexts = new HashSet<>();
-    private final MultiRateLimiter mDataRequestRateLimiter;
+    @NonNull private volatile MultiRateLimiter mDataRequestRateLimiter;
     volatile boolean mIsServiceEnabled;
 
     public WearableSensingManagerService(Context context) {
@@ -238,6 +239,57 @@
         }
     }
 
+    /**
+     * Sets the window size used in data request rate limiting.
+     *
+     * <p>The new value will not be reflected in {@link
+     * WearableSensingDataRequest#getRateLimitWindowSize()}.
+     *
+     * <p>{@code windowSize} will be automatically capped between
+     * com.android.server.utils.quota.QuotaTracker#MIN_WINDOW_SIZE_MS and
+     * com.android.server.utils.quota.QuotaTracker#MAX_WINDOW_SIZE_MS
+     *
+     * <p>The current rate limit will also be reset.
+     *
+     * <p>This method is only used for testing and must not be called in production code because
+     * it effectively bypasses the rate limiting introduced to enhance privacy protection.
+     */
+    @VisibleForTesting
+    void setDataRequestRateLimitWindowSize(@NonNull Duration windowSize) {
+        Slog.w(
+                TAG,
+                TextUtils.formatSimple(
+                        "Setting the data request rate limit window size to %s. This also resets"
+                            + " the current limit and should only be callable from a test.",
+                        windowSize));
+        mDataRequestRateLimiter =
+                new MultiRateLimiter.Builder(mContext)
+                        .addRateLimit(WearableSensingDataRequest.getRateLimit(), windowSize)
+                        .build();
+    }
+
+    /**
+     * Resets the window size used in data request rate limiting back to the default value.
+     *
+     * <p>The current rate limit will also be reset.
+     *
+     * <p>This method is only used for testing and must not be called in production code because
+     * it effectively bypasses the rate limiting introduced to enhance privacy protection.
+     */
+    @VisibleForTesting
+    void resetDataRequestRateLimitWindowSize() {
+        Slog.w(
+                TAG,
+                "Resetting the data request rate limit window size back to the default value. This"
+                    + " also resets the current limit and should only be callable from a test.");
+        mDataRequestRateLimiter =
+                new MultiRateLimiter.Builder(mContext)
+                        .addRateLimit(
+                                WearableSensingDataRequest.getRateLimit(),
+                                WearableSensingDataRequest.getRateLimitWindowSize())
+                        .build();
+    }
+
     private DataRequestObserverContext getDataRequestObserverContext(
             int dataType, int userId, PendingIntent dataRequestPendingIntent) {
         synchronized (mDataRequestObserverContexts) {
diff --git a/services/core/java/com/android/server/wearable/WearableSensingShellCommand.java b/services/core/java/com/android/server/wearable/WearableSensingShellCommand.java
index 842bccb..0a9cf34 100644
--- a/services/core/java/com/android/server/wearable/WearableSensingShellCommand.java
+++ b/services/core/java/com/android/server/wearable/WearableSensingShellCommand.java
@@ -29,6 +29,7 @@
 import java.io.IOException;
 import java.io.OutputStream;
 import java.io.PrintWriter;
+import java.time.Duration;
 
 final class WearableSensingShellCommand extends ShellCommand {
     private static final String TAG = WearableSensingShellCommand.class.getSimpleName();
@@ -90,6 +91,8 @@
                 return getBoundPackageName();
             case "set-temporary-service":
                 return setTemporaryService();
+            case "set-data-request-rate-limit-window-size":
+                return setDataRequestRateLimitWindowSize();
             default:
                 return handleDefaultCommands(cmd);
         }
@@ -114,6 +117,11 @@
         pw.println("  set-temporary-service USER_ID [PACKAGE_NAME] [COMPONENT_NAME DURATION]");
         pw.println("    Temporarily (for DURATION ms) changes the service implementation.");
         pw.println("    To reset, call with just the USER_ID argument.");
+        pw.println("  set-data-request-rate-limit-window-size WINDOW_SIZE");
+        pw.println("    Set the window size used in data request rate limiting to WINDOW_SIZE"
+                + " seconds.");
+        pw.println("    positive WINDOW_SIZE smaller than 20 will be automatically set to 20.");
+        pw.println("    To reset, call with 0 or a negative WINDOW_SIZE.");
     }
 
     private int createDataStream() {
@@ -209,4 +217,20 @@
         resultPrinter.println(componentName == null ? "" : componentName.getPackageName());
         return 0;
     }
+
+    private int setDataRequestRateLimitWindowSize() {
+        Slog.d(TAG, "setDataRequestRateLimitWindowSize");
+        int windowSizeSeconds = Integer.parseInt(getNextArgRequired());
+        if (windowSizeSeconds <= 0) {
+            mService.resetDataRequestRateLimitWindowSize();
+        } else {
+            // 20 is the minimum window size supported by the rate limiter.
+            // It is defined by com.android.server.utils.quota.QuotaTracker#MIN_WINDOW_SIZE_MS
+            if (windowSizeSeconds < 20) {
+                windowSizeSeconds = 20;
+            }
+            mService.setDataRequestRateLimitWindowSize(Duration.ofSeconds(windowSizeSeconds));
+        }
+        return 0;
+    }
 }
diff --git a/services/core/java/com/android/server/wm/ActivityRecord.java b/services/core/java/com/android/server/wm/ActivityRecord.java
index c36df8d..2696fb6 100644
--- a/services/core/java/com/android/server/wm/ActivityRecord.java
+++ b/services/core/java/com/android/server/wm/ActivityRecord.java
@@ -1846,20 +1846,20 @@
         mLetterboxUiController.onMovedToDisplay(mDisplayContent.getDisplayId());
     }
 
-    void layoutLetterbox(WindowState winHint) {
-        mLetterboxUiController.layoutLetterbox(winHint);
+    void layoutLetterboxIfNeeded(WindowState winHint) {
+        mLetterboxUiController.layoutLetterboxIfNeeded(winHint);
     }
 
     boolean hasWallpaperBackgroundForLetterbox() {
         return mLetterboxUiController.hasWallpaperBackgroundForLetterbox();
     }
 
-    void updateLetterboxSurface(WindowState winHint, Transaction t) {
-        mLetterboxUiController.updateLetterboxSurface(winHint, t);
+    void updateLetterboxSurfaceIfNeeded(WindowState winHint, Transaction t) {
+        mLetterboxUiController.updateLetterboxSurfaceIfNeeded(winHint, t);
     }
 
-    void updateLetterboxSurface(WindowState winHint) {
-        mLetterboxUiController.updateLetterboxSurface(winHint);
+    void updateLetterboxSurfaceIfNeeded(WindowState winHint) {
+        mLetterboxUiController.updateLetterboxSurfaceIfNeeded(winHint);
     }
 
     /** Gets the letterbox insets. The insets will be empty if there is no letterbox. */
@@ -4546,7 +4546,7 @@
         }
         super.removeChild(child);
         checkKeyguardFlagsChanged();
-        updateLetterboxSurface(child);
+        updateLetterboxSurfaceIfNeeded(child);
     }
 
     void setAppLayoutChanges(int changes, String reason) {
@@ -6036,7 +6036,7 @@
         if (destroyedSomething) {
             final DisplayContent dc = getDisplayContent();
             dc.assignWindowLayers(true /*setLayoutNeeded*/);
-            updateLetterboxSurface(null);
+            updateLetterboxSurfaceIfNeeded(null);
         }
     }
 
@@ -7688,7 +7688,7 @@
         }
 
         if (mNeedsLetterboxedAnimation) {
-            updateLetterboxSurface(findMainWindow(), t);
+            updateLetterboxSurfaceIfNeeded(findMainWindow(), t);
             mNeedsAnimationBoundsLayer = true;
         }
 
@@ -7856,7 +7856,7 @@
         mNeedsAnimationBoundsLayer = false;
         if (mNeedsLetterboxedAnimation) {
             mNeedsLetterboxedAnimation = false;
-            updateLetterboxSurface(findMainWindow(), t);
+            updateLetterboxSurfaceIfNeeded(findMainWindow(), t);
         }
 
         if (mAnimatingActivityRegistry != null) {
@@ -8943,6 +8943,15 @@
             }
         }
 
+        // Fixed orientation bounds are the same as its parent container, so clear the fixed
+        // orientation bounds. This can happen in close to square displays where the orientation
+        // is not respected with insets, but the display still matches or is less than the
+        // activity aspect ratio.
+        if (resolvedBounds.equals(parentBounds)) {
+            resolvedBounds.set(prevResolvedBounds);
+            return;
+        }
+
         // Calculate app bounds using fixed orientation bounds because they will be needed later
         // for comparison with size compat app bounds in {@link resolveSizeCompatModeConfiguration}.
         getTaskFragment().computeConfigResourceOverrides(getResolvedOverrideConfiguration(),
diff --git a/services/core/java/com/android/server/wm/ActivityStartController.java b/services/core/java/com/android/server/wm/ActivityStartController.java
index 2c49203..533529a 100644
--- a/services/core/java/com/android/server/wm/ActivityStartController.java
+++ b/services/core/java/com/android/server/wm/ActivityStartController.java
@@ -639,6 +639,10 @@
         return mPendingRemoteAnimationRegistry;
     }
 
+    ActivityRecord getLastStartActivity() {
+        return mLastStarter != null ? mLastStarter.mStartActivity : null;
+    }
+
     void dumpLastHomeActivityStartResult(PrintWriter pw, String prefix) {
         pw.print(prefix);
         pw.print("mLastHomeActivityStartResult=");
diff --git a/services/core/java/com/android/server/wm/ActivityTaskManagerService.java b/services/core/java/com/android/server/wm/ActivityTaskManagerService.java
index 3637ab1..adbe800 100644
--- a/services/core/java/com/android/server/wm/ActivityTaskManagerService.java
+++ b/services/core/java/com/android/server/wm/ActivityTaskManagerService.java
@@ -5554,7 +5554,7 @@
      * Saves the current activity manager state and includes the saved state in the next dump of
      * activity manager.
      */
-    void saveANRState(String reason) {
+    void saveANRState(ActivityRecord activity, String reason) {
         final StringWriter sw = new StringWriter();
         final PrintWriter pw = new FastPrintWriter(sw, false, 1024);
         pw.println("  ANR time: " + DateFormat.getDateTimeInstance().format(new Date()));
@@ -5562,14 +5562,25 @@
             pw.println("  Reason: " + reason);
         }
         pw.println();
-        getActivityStartController().dump(pw, "  ", null);
-        pw.println();
+        if (activity != null) {
+            final Task rootTask = activity.getRootTask();
+            if (rootTask != null) {
+                rootTask.forAllTaskFragments(
+                        tf -> tf.dumpInner("  ", pw, true /* dumpAll */, null /* dumpPackage */));
+                pw.println();
+            }
+            mActivityStartController.dump(pw, "  ", activity.packageName);
+            if (mActivityStartController.getLastStartActivity() != activity) {
+                activity.dump(pw, "  ", true /* dumpAll */);
+            }
+        }
+        ActivityTaskSupervisor.printThisActivity(pw, mRootWindowContainer.getTopResumedActivity(),
+                null /* dumpPackage */, INVALID_DISPLAY, true /* needSep */,
+                "  ResumedActivity: ", /* header= */ null /* header */);
+        mLockTaskController.dump(pw, "  ");
+        mKeyguardController.dump(pw, "  ");
         pw.println("-------------------------------------------------------------------"
                 + "------------");
-        dumpActivitiesLocked(null /* fd */, pw, null /* args */, 0 /* opti */,
-                true /* dumpAll */, false /* dumpClient */, null /* dumpPackage */,
-                INVALID_DISPLAY, "" /* header */);
-        pw.println();
         pw.close();
 
         mLastANRState = sw.toString();
diff --git a/services/core/java/com/android/server/wm/AnrController.java b/services/core/java/com/android/server/wm/AnrController.java
index b9f6e17..0013c5c 100644
--- a/services/core/java/com/android/server/wm/AnrController.java
+++ b/services/core/java/com/android/server/wm/AnrController.java
@@ -367,7 +367,7 @@
                 Trace.traceBegin(Trace.TRACE_TAG_ACTIVITY_MANAGER, "dumpAnrStateLocked()");
                 synchronized (mService.mGlobalLock) {
                     mService.saveANRStateLocked(activity, windowState, reason);
-                    mService.mAtmService.saveANRState(reason);
+                    mService.mAtmService.saveANRState(activity, reason);
                 }
             } finally {
                 Trace.traceEnd(Trace.TRACE_TAG_ACTIVITY_MANAGER);
diff --git a/services/core/java/com/android/server/wm/BackNavigationController.java b/services/core/java/com/android/server/wm/BackNavigationController.java
index c2dfa21..38ee456 100644
--- a/services/core/java/com/android/server/wm/BackNavigationController.java
+++ b/services/core/java/com/android/server/wm/BackNavigationController.java
@@ -629,7 +629,7 @@
                 final ActivityRecord ar = openApps.valueAt(i);
                 if (mAnimationHandler.isTarget(ar, true /* open */)) {
                     openApps.removeAt(i);
-                    mAnimationHandler.markStartingSurfaceMatch();
+                    mAnimationHandler.markStartingSurfaceMatch(null /* reparentTransaction */);
                 }
             }
             for (int i = closeApps.size() - 1; i >= 0; --i) {
@@ -773,10 +773,15 @@
             for (int i = mTmpOpenApps.size() - 1; i >= 0; --i) {
                 final WindowContainer wc = mTmpOpenApps.get(i);
                 if (mAnimationHandler.isTarget(wc, true /* open */)) {
-                    mAnimationHandler.markStartingSurfaceMatch();
+                    mAnimationHandler.markStartingSurfaceMatch(startTransaction);
                     break;
                 }
             }
+            // release animation leash
+            if (mAnimationHandler.mOpenAnimAdaptor.mCloseTransaction != null) {
+                startTransaction.merge(mAnimationHandler.mOpenAnimAdaptor.mCloseTransaction);
+                mAnimationHandler.mOpenAnimAdaptor.mCloseTransaction = null;
+            }
             // Because the target will reparent to transition root, so it cannot be controlled by
             // animation leash. Hide the close target when transition starts.
             startTransaction.hide(mAnimationHandler.mCloseAdaptor.mTarget.getSurfaceControl());
@@ -993,7 +998,7 @@
             }
             final RemoteAnimationTarget[] targets = new RemoteAnimationTarget[2];
             targets[0] = mCloseAdaptor.mAnimationTarget;
-            targets[1] = mOpenAnimAdaptor.getOrCreateAnimationTarget();
+            targets[1] = mOpenAnimAdaptor.mRemoteAnimationTarget;
             return targets;
         }
 
@@ -1067,11 +1072,12 @@
             }
         }
 
-        void markStartingSurfaceMatch() {
-            mStartingSurfaceTargetMatch = true;
-            for (int i = mOpenAnimAdaptor.mAdaptors.length - 1; i >= 0; --i) {
-                mOpenAnimAdaptor.mAdaptors[i].reparentWindowlessSurfaceToTarget();
+        void markStartingSurfaceMatch(SurfaceControl.Transaction reparentTransaction) {
+            if (mStartingSurfaceTargetMatch) {
+                return;
             }
+            mStartingSurfaceTargetMatch = true;
+            mOpenAnimAdaptor.reparentWindowlessSurfaceToTarget(reparentTransaction);
         }
 
         void clearBackAnimateTarget() {
@@ -1140,14 +1146,23 @@
 
         private static class BackWindowAnimationAdaptorWrapper {
             final BackWindowAnimationAdaptor[] mAdaptors;
+            // The highest remote animation target, which can be a wrapper if multiple adaptors,
+            // or the single opening target.
+            final RemoteAnimationTarget mRemoteAnimationTarget;
             SurfaceControl.Transaction mCloseTransaction;
 
+            // The starting surface task Id. Used to clear the starting surface if the animation has
+            // requested one during animating.
+            private int mRequestedStartingSurfaceId = INVALID_TASK_ID;
+            private SurfaceControl mStartingSurface;
             BackWindowAnimationAdaptorWrapper(boolean isOpen, int switchType,
                     @NonNull WindowContainer... targets) {
                 mAdaptors = new BackWindowAnimationAdaptor[targets.length];
                 for (int i = targets.length - 1; i >= 0; --i) {
                     mAdaptors[i] = createAdaptor(targets[i], isOpen, switchType);
                 }
+                mRemoteAnimationTarget = targets.length > 1 ? createWrapTarget()
+                        : mAdaptors[0].mAnimationTarget;
             }
 
             boolean isValid() {
@@ -1160,75 +1175,151 @@
             }
 
             void cleanUp(boolean startingSurfaceMatch) {
+                cleanUpWindowlessSurface(startingSurfaceMatch);
                 for (int i = mAdaptors.length - 1; i >= 0; --i) {
-                    mAdaptors[i].cleanUpWindowlessSurface(startingSurfaceMatch);
                     mAdaptors[i].mTarget.cancelAnimation();
                 }
+                mRequestedStartingSurfaceId = INVALID_TASK_ID;
+                mStartingSurface = null;
                 if (mCloseTransaction != null) {
                     mCloseTransaction.apply();
                     mCloseTransaction = null;
                 }
             }
 
-            void onAnimationFinish() {
-                final SurfaceControl.Transaction pt = mAdaptors[0].mTarget.getPendingTransaction();
-                if (mCloseTransaction != null) {
-                    pt.merge(mCloseTransaction);
-                    mCloseTransaction = null;
-                }
-                if (mAdaptors.length > 1) {
-                    for (int i = mAdaptors.length - 1; i >= 0; --i) {
-                        final WindowContainer wc = mAdaptors[i].mTarget;
-                        final WindowContainer parent = wc.getParent();
-                        if (parent != null) {
-                            pt.reparent(wc.getSurfaceControl(),
-                                    parent.getSurfaceControl());
-                        }
-                    }
-                }
-            }
-
-            @NonNull RemoteAnimationTarget getOrCreateAnimationTarget() {
+            private RemoteAnimationTarget createWrapTarget() {
                 // Special handle for opening two activities together.
                 // If we animate both activities separately, the animation area and rounded corner
                 // would also being handled separately. To make them seem like "open" together, wrap
                 // their leash with another animation leash.
-                if (mAdaptors.length > 1 && mCloseTransaction == null) {
-                    final Rect unionBounds = new Rect();
-                    for (int i = mAdaptors.length - 1; i >= 0; --i) {
-                        unionBounds.union(mAdaptors[i].mAnimationTarget.localBounds);
-                    }
-                    final WindowContainer wc = mAdaptors[0].mTarget;
-                    final Task task = wc.asActivityRecord() != null
-                            ? wc.asActivityRecord().getTask() : wc.asTask();
-                    final RemoteAnimationTarget represent = mAdaptors[0].mAnimationTarget;
-                    final SurfaceControl leashSurface = new SurfaceControl.Builder()
-                            .setName("cross-animation-leash")
-                            .setContainerLayer()
-                            .setHidden(false)
-                            .setParent(task.getSurfaceControl())
-                            .build();
-                    final SurfaceControl.Transaction pt = wc.getPendingTransaction();
-                    pt.setLayer(leashSurface, wc.getParent().getLastLayer());
-                    mCloseTransaction = new SurfaceControl.Transaction();
-                    mCloseTransaction.reparent(leashSurface, null);
-                    for (int i = mAdaptors.length - 1; i >= 0; --i) {
-                        BackWindowAnimationAdaptor adaptor = mAdaptors[i];
-                        pt.reparent(adaptor.mAnimationTarget.leash, leashSurface);
-                        pt.setPosition(adaptor.mAnimationTarget.leash,
-                                adaptor.mAnimationTarget.localBounds.left,
-                                adaptor.mAnimationTarget.localBounds.top);
-                    }
-                    return new RemoteAnimationTarget(represent.taskId, represent.mode, leashSurface,
-                            represent.isTranslucent, represent.clipRect, represent.contentInsets,
-                            represent.prefixOrderIndex,
-                            new Point(unionBounds.left, unionBounds.top),
-                            unionBounds, unionBounds, represent.windowConfiguration,
-                            true /* isNotInRecents */, null, null, represent.taskInfo,
-                            represent.allowEnterPip);
-                } else {
-                    return mAdaptors[0].mAnimationTarget;
+                final Rect unionBounds = new Rect();
+                for (int i = mAdaptors.length - 1; i >= 0; --i) {
+                    unionBounds.union(mAdaptors[i].mAnimationTarget.localBounds);
                 }
+                final WindowContainer wc = mAdaptors[0].mTarget;
+                final Task task = wc.asActivityRecord() != null
+                        ? wc.asActivityRecord().getTask() : wc.asTask();
+                final RemoteAnimationTarget represent = mAdaptors[0].mAnimationTarget;
+                final SurfaceControl leashSurface = new SurfaceControl.Builder()
+                        .setName("cross-animation-leash")
+                        .setContainerLayer()
+                        .setHidden(false)
+                        .setParent(task.getSurfaceControl())
+                        .build();
+                mCloseTransaction = new SurfaceControl.Transaction();
+                mCloseTransaction.reparent(leashSurface, null);
+                final SurfaceControl.Transaction pt = wc.getPendingTransaction();
+                pt.setLayer(leashSurface, wc.getParent().getLastLayer());
+                for (int i = mAdaptors.length - 1; i >= 0; --i) {
+                    BackWindowAnimationAdaptor adaptor = mAdaptors[i];
+                    pt.reparent(adaptor.mAnimationTarget.leash, leashSurface);
+                    pt.setPosition(adaptor.mAnimationTarget.leash,
+                            adaptor.mAnimationTarget.localBounds.left,
+                            adaptor.mAnimationTarget.localBounds.top);
+                    // For adjacent activity embedded, reparent Activity to TaskFragment when
+                    // animation finish
+                    final WindowContainer parent = adaptor.mTarget.getParent();
+                    if (parent != null) {
+                        mCloseTransaction.reparent(adaptor.mTarget.getSurfaceControl(),
+                                parent.getSurfaceControl());
+                    }
+                }
+                return new RemoteAnimationTarget(represent.taskId, represent.mode, leashSurface,
+                        represent.isTranslucent, represent.clipRect, represent.contentInsets,
+                        represent.prefixOrderIndex,
+                        new Point(unionBounds.left, unionBounds.top),
+                        unionBounds, unionBounds, represent.windowConfiguration,
+                        true /* isNotInRecents */, null, null, represent.taskInfo,
+                        represent.allowEnterPip);
+            }
+
+            void createStartingSurface(@NonNull WindowContainer closeWindow,
+                    ActivityRecord[] visibleOpenActivities) {
+                if (mAdaptors[0].mSwitchType == DIALOG_CLOSE) {
+                    return;
+                }
+                final WindowContainer mainOpen = mAdaptors[0].mTarget;
+                final int switchType = mAdaptors[0].mSwitchType;
+                final Task openTask = switchType == TASK_SWITCH
+                        ? mainOpen.asTask() : switchType == ACTIVITY_SWITCH
+                        ? mainOpen.asActivityRecord().getTask() : null;
+                if (openTask == null) {
+                    return;
+                }
+                final ActivityRecord mainActivity = switchType == ACTIVITY_SWITCH
+                        ? mainOpen.asActivityRecord()
+                        : openTask.getTopNonFinishingActivity();
+                if (mainActivity == null) {
+                    return;
+                }
+                final TaskSnapshot snapshot = getSnapshot(mainOpen, visibleOpenActivities);
+                mRequestedStartingSurfaceId = openTask.mAtmService.mTaskOrganizerController
+                        .addWindowlessStartingSurface(openTask, mainActivity,
+                        // Choose configuration from closeWindow, because the configuration
+                        // of opening target may not update before resume, so the starting
+                        // surface should occlude it entirely.
+                        mRemoteAnimationTarget.leash, snapshot, closeWindow.getConfiguration(),
+                            new IWindowlessStartingSurfaceCallback.Stub() {
+                            // Once the starting surface has been created in shell, it will call
+                            // onSurfaceAdded to pass the created surface to core, so if a
+                            // transition is triggered by the back gesture, there doesn't need to
+                            // create another starting surface for the opening target, just reparent
+                            // the starting surface to the opening target.
+                            // Note if cleanUpWindowlessSurface happen prior than onSurfaceAdded
+                            // called, there won't be able to reparent the starting surface on
+                            // opening target. But if that happens and transition target is matched,
+                            // the app window should already draw.
+                                @Override
+                                public void onSurfaceAdded(SurfaceControl sc) {
+                                    synchronized (openTask.mWmService.mGlobalLock) {
+                                        if (mRequestedStartingSurfaceId != INVALID_TASK_ID) {
+                                            mStartingSurface = sc;
+                                        }
+                                    }
+                                }
+                            });
+            }
+
+            // When back gesture has triggered and transition target matches navigation target,
+            // reparent the starting surface to the opening target as it's starting window.
+            void reparentWindowlessSurfaceToTarget(SurfaceControl.Transaction reparentTransaction) {
+                if (mRequestedStartingSurfaceId == INVALID_TASK_ID) {
+                    return;
+                }
+                // If open target matches, reparent to open activity or task
+                if (mStartingSurface != null && mStartingSurface.isValid()) {
+                    SurfaceControl.Transaction transaction = reparentTransaction != null
+                            ? reparentTransaction : mAdaptors[0].mTarget.getPendingTransaction();
+                    if (mAdaptors.length == 1) {
+                        transaction.reparent(mStartingSurface,
+                                        mAdaptors[0].mTarget.getSurfaceControl());
+                    } else {
+                        // More than one opening window, reparent starting surface to leaf task.
+                        final WindowContainer wc = mAdaptors[0].mTarget;
+                        final Task task = wc.asActivityRecord() != null
+                                ? wc.asActivityRecord().getTask() : wc.asTask();
+                        transaction.reparent(mStartingSurface, task != null
+                                        ? task.getSurfaceControl()
+                                        : mAdaptors[0].mTarget.getSurfaceControl());
+                    }
+                    // remove starting surface.
+                    mStartingSurface = null;
+                }
+            }
+
+            /**
+             * Ask shell to clear the starting surface.
+             * @param openTransitionMatch if true, shell will play the remove starting window
+             *                            animation, otherwise remove it directly.
+             */
+            void cleanUpWindowlessSurface(boolean openTransitionMatch) {
+                if (mRequestedStartingSurfaceId == INVALID_TASK_ID) {
+                    return;
+                }
+                mAdaptors[0].mTarget.mWmService.mAtmService.mTaskOrganizerController
+                        .removeWindowlessStartingSurface(mRequestedStartingSurfaceId,
+                                !openTransitionMatch);
+                mRequestedStartingSurfaceId = INVALID_TASK_ID;
             }
         }
 
@@ -1240,11 +1331,6 @@
             private RemoteAnimationTarget mAnimationTarget;
             private final int mSwitchType;
 
-            // The starting surface task Id. Used to clear the starting surface if the animation has
-            // requested one during animating.
-            private int mRequestedStartingSurfaceId = INVALID_TASK_ID;
-            private SurfaceControl mStartingSurface;
-
             BackWindowAnimationAdaptor(@NonNull WindowContainer target, boolean isOpen,
                     int switchType) {
                 mBounds.set(target.getBounds());
@@ -1276,8 +1362,6 @@
             public void onAnimationCancelled(SurfaceControl animationLeash) {
                 if (mCapturedLeash == animationLeash) {
                     mCapturedLeash = null;
-                    mRequestedStartingSurfaceId = INVALID_TASK_ID;
-                    mStartingSurface = null;
                 }
             }
 
@@ -1345,84 +1429,6 @@
                         r.checkEnterPictureInPictureAppOpsState());
                 return mAnimationTarget;
             }
-
-            void createStartingSurface(@NonNull WindowContainer closeWindow,
-                    @NonNull ActivityRecord[] visibleOpenActivities) {
-                if (!mIsOpen) {
-                    return;
-                }
-                if (mSwitchType == DIALOG_CLOSE) {
-                    return;
-                }
-                final Task openTask = mSwitchType == TASK_SWITCH
-                        ? mTarget.asTask() : mSwitchType == ACTIVITY_SWITCH
-                        ? mTarget.asActivityRecord().getTask() : null;
-                if (openTask == null) {
-                    return;
-                }
-                final ActivityRecord mainActivity = mSwitchType == ACTIVITY_SWITCH
-                        ? mTarget.asActivityRecord()
-                        : openTask.getTopNonFinishingActivity();
-                if (mainActivity == null) {
-                    return;
-                }
-                final TaskSnapshot snapshot = getSnapshot(mTarget, visibleOpenActivities);
-                mRequestedStartingSurfaceId = openTask.mAtmService.mTaskOrganizerController
-                        .addWindowlessStartingSurface(openTask, mainActivity,
-                                // Choose configuration from closeWindow, because the configuration
-                                // of opening target may not update before resume, so the starting
-                                // surface should occlude it entirely.
-                                mAnimationTarget.leash, snapshot, closeWindow.getConfiguration(),
-                                new IWindowlessStartingSurfaceCallback.Stub() {
-                            // Once the starting surface has been created in shell, it will call
-                            // onSurfaceAdded to pass the created surface to core, so if a
-                            // transition is triggered by the back gesture, there doesn't need to
-                            // create another starting surface for the opening target, just reparent
-                            // the starting surface to the opening target.
-                            // Note if cleanUpWindowlessSurface happen prior than onSurfaceAdded
-                            // called, there won't be able to reparent the starting surface on
-                            // opening target. But if that happens and transition target is matched,
-                            // the app window should already draw.
-                                    @Override
-                                    public void onSurfaceAdded(SurfaceControl sc) {
-                                        synchronized (mTarget.mWmService.mGlobalLock) {
-                                            if (mRequestedStartingSurfaceId != INVALID_TASK_ID) {
-                                                mStartingSurface = sc;
-                                            }
-                                        }
-                                    }
-                                });
-            }
-
-            // When back gesture has triggered and transition target matches navigation target,
-            // reparent the starting surface to the opening target as it's starting window.
-            void reparentWindowlessSurfaceToTarget() {
-                if (mRequestedStartingSurfaceId == INVALID_TASK_ID) {
-                    return;
-                }
-                // If open target matches, reparent to open activity or task
-                if (mStartingSurface != null && mStartingSurface.isValid()) {
-                    mTarget.getPendingTransaction()
-                            .reparent(mStartingSurface, mTarget.getSurfaceControl());
-                    // remove starting surface.
-                    mStartingSurface = null;
-                }
-            }
-
-            /**
-             * Ask shell to clear the starting surface.
-             * @param openTransitionMatch if true, shell will play the remove starting window
-             *                            animation, otherwise remove it directly.
-             */
-            void cleanUpWindowlessSurface(boolean openTransitionMatch) {
-                if (mRequestedStartingSurfaceId == INVALID_TASK_ID) {
-                    return;
-                }
-                mTarget.mWmService.mAtmService.mTaskOrganizerController
-                        .removeWindowlessStartingSurface(mRequestedStartingSurfaceId,
-                                !openTransitionMatch);
-                mRequestedStartingSurfaceId = INVALID_TASK_ID;
-            }
         }
 
         ScheduleAnimationBuilder prepareAnimation(
@@ -1499,18 +1505,10 @@
              * @param visibleOpenActivities  The visible activities in opening targets.
              */
             private void applyPreviewStrategy(@NonNull WindowContainer closeWindow,
-                    @NonNull BackWindowAnimationAdaptor[] openAnimationAdaptor,
+                    @NonNull BackWindowAnimationAdaptorWrapper openAnimationAdaptor,
                     @NonNull ActivityRecord[] visibleOpenActivities) {
-                if (isSupportWindowlessSurface() && mShowWindowlessSurface && !mIsLaunchBehind
-                        // TODO (b/274997067) Draw two snapshot in a single starting surface.
-                        // We are using TaskId as the key of
-                        // StartingSurfaceDrawer#StartingWindowRecordManager, so we cannot create
-                        // two activity snapshot with WindowlessStartingWindow.
-                        // Try to draw two snapshot within a WindowlessStartingWindow, or find
-                        // another key for StartingWindowRecordManager.
-                        && openAnimationAdaptor.length == 1) {
-                    openAnimationAdaptor[0].createStartingSurface(closeWindow,
-                            visibleOpenActivities);
+                if (isSupportWindowlessSurface() && mShowWindowlessSurface && !mIsLaunchBehind) {
+                    openAnimationAdaptor.createStartingSurface(closeWindow, visibleOpenActivities);
                 } else {
                     for (int i = visibleOpenActivities.length - 1; i >= 0; --i) {
                         setLaunchBehind(visibleOpenActivities[i]);
@@ -1541,7 +1539,7 @@
                 }
                 mCloseTarget.mTransitionController.mSnapshotController
                         .mActivitySnapshotController.clearOnBackPressedActivities();
-                applyPreviewStrategy(mCloseTarget, mOpenAnimAdaptor.mAdaptors, openingActivities);
+                applyPreviewStrategy(mCloseTarget, mOpenAnimAdaptor, openingActivities);
 
                 final IBackAnimationFinishedCallback callback = makeAnimationFinishedCallback();
                 final RemoteAnimationTarget[] targets = getAnimationTargets();
@@ -1565,7 +1563,6 @@
                                 // animation was canceled
                                 return;
                             }
-                            mOpenAnimAdaptor.onAnimationFinish();
                             if (!triggerBack) {
                                 clearBackAnimateTarget();
                             } else {
diff --git a/services/core/java/com/android/server/wm/ClientLifecycleManager.java b/services/core/java/com/android/server/wm/ClientLifecycleManager.java
index 5b4fb3e..e48e4e8 100644
--- a/services/core/java/com/android/server/wm/ClientLifecycleManager.java
+++ b/services/core/java/com/android/server/wm/ClientLifecycleManager.java
@@ -87,11 +87,7 @@
     void scheduleTransactionItemNow(@NonNull IApplicationThread client,
             @NonNull ClientTransactionItem transactionItem) throws RemoteException {
         final ClientTransaction clientTransaction = ClientTransaction.obtain(client);
-        if (transactionItem.isActivityLifecycleItem()) {
-            clientTransaction.setLifecycleStateRequest((ActivityLifecycleItem) transactionItem);
-        } else {
-            clientTransaction.addCallback(transactionItem);
-        }
+        clientTransaction.addTransactionItem(transactionItem);
         scheduleTransaction(clientTransaction);
     }
 
@@ -115,11 +111,8 @@
         } else {
             // TODO(b/260873529): cleanup after launch.
             final ClientTransaction clientTransaction = ClientTransaction.obtain(client);
-            if (transactionItem.isActivityLifecycleItem()) {
-                clientTransaction.setLifecycleStateRequest((ActivityLifecycleItem) transactionItem);
-            } else {
-                clientTransaction.addCallback(transactionItem);
-            }
+            clientTransaction.addTransactionItem(transactionItem);
+
             scheduleTransaction(clientTransaction);
         }
     }
@@ -160,8 +153,8 @@
         } else {
             // TODO(b/260873529): cleanup after launch.
             final ClientTransaction clientTransaction = ClientTransaction.obtain(client);
-            clientTransaction.addCallback(transactionItem);
-            clientTransaction.setLifecycleStateRequest(lifecycleItem);
+            clientTransaction.addTransactionItem(transactionItem);
+            clientTransaction.addTransactionItem(lifecycleItem);
             scheduleTransaction(clientTransaction);
         }
     }
diff --git a/services/core/java/com/android/server/wm/DisplayContent.java b/services/core/java/com/android/server/wm/DisplayContent.java
index e743172..d3acd71 100644
--- a/services/core/java/com/android/server/wm/DisplayContent.java
+++ b/services/core/java/com/android/server/wm/DisplayContent.java
@@ -1127,7 +1127,7 @@
 
         final ActivityRecord activity = w.mActivityRecord;
         if (activity != null && activity.isVisibleRequested()) {
-            activity.updateLetterboxSurface(w);
+            activity.updateLetterboxSurfaceIfNeeded(w);
             final boolean updateAllDrawn = activity.updateDrawnWindowStates(w);
             if (updateAllDrawn && !mTmpUpdateAllDrawn.contains(activity)) {
                 mTmpUpdateAllDrawn.add(activity);
diff --git a/services/core/java/com/android/server/wm/DisplayPolicy.java b/services/core/java/com/android/server/wm/DisplayPolicy.java
index a7bbc25..5cf9acd 100644
--- a/services/core/java/com/android/server/wm/DisplayPolicy.java
+++ b/services/core/java/com/android/server/wm/DisplayPolicy.java
@@ -104,7 +104,6 @@
 import android.os.Trace;
 import android.os.UserHandle;
 import android.util.ArraySet;
-import android.util.PrintWriterPrinter;
 import android.util.Slog;
 import android.util.SparseArray;
 import android.view.DisplayInfo;
@@ -2070,8 +2069,7 @@
             }
             return false;
         }
-        if (mCachedDecorInsets != null && !mCachedDecorInsets.canPreserve()
-                && !mDisplayContent.isSleeping()) {
+        if (mCachedDecorInsets != null && !mCachedDecorInsets.canPreserve() && mScreenOnFully) {
             mCachedDecorInsets = null;
         }
         mDecorInsets.invalidate();
@@ -2136,16 +2134,6 @@
         }
         mCachedDecorInsets.mPreserveId =
                 mDisplayContent.mTransitionController.getCollectingTransitionId();
-        // The validator will run after the transition is finished. So if the insets are changed
-        // during the transition, it can update to the latest state.
-        mDisplayContent.mTransitionController.mStateValidators.add(() -> {
-            // The insets provider client may defer to change its window until screen is on. So
-            // only validate when awake to avoid the cache being always dropped.
-            if (!mDisplayContent.isSleeping() && updateDecorInsetsInfo()) {
-                Slog.d(TAG, "Insets changed after display switch transition");
-                mDisplayContent.sendNewConfiguration();
-            }
-        });
     }
 
     @NavigationBarPosition
@@ -2891,9 +2879,6 @@
         if (!CLIENT_TRANSIENT) {
             mSystemGestures.dump(pw, prefix);
         }
-
-        pw.print(prefix); pw.println("Looper state:");
-        mHandler.getLooper().dump(new PrintWriterPrinter(pw), prefix + "  ");
     }
 
     private boolean supportsPointerLocation() {
diff --git a/services/core/java/com/android/server/wm/LetterboxUiController.java b/services/core/java/com/android/server/wm/LetterboxUiController.java
index edf9da1..5d613cf 100644
--- a/services/core/java/com/android/server/wm/LetterboxUiController.java
+++ b/services/core/java/com/android/server/wm/LetterboxUiController.java
@@ -52,7 +52,6 @@
 import static android.content.pm.PackageManager.USER_MIN_ASPECT_RATIO_SPLIT_SCREEN;
 import static android.content.pm.PackageManager.USER_MIN_ASPECT_RATIO_UNSET;
 import static android.content.res.Configuration.ORIENTATION_LANDSCAPE;
-import static android.content.res.Configuration.ORIENTATION_PORTRAIT;
 import static android.content.res.Configuration.ORIENTATION_UNDEFINED;
 import static android.content.res.Configuration.SCREEN_HEIGHT_DP_UNDEFINED;
 import static android.content.res.Configuration.SCREEN_WIDTH_DP_UNDEFINED;
@@ -924,21 +923,21 @@
         return mLetterbox == null || mLetterbox.notIntersectsOrFullyContains(rect);
     }
 
-    void updateLetterboxSurface(WindowState winHint) {
-        updateLetterboxSurface(winHint, mActivityRecord.getSyncTransaction());
+    void updateLetterboxSurfaceIfNeeded(WindowState winHint) {
+        updateLetterboxSurfaceIfNeeded(winHint, mActivityRecord.getSyncTransaction());
     }
 
-    void updateLetterboxSurface(WindowState winHint, Transaction t) {
+    void updateLetterboxSurfaceIfNeeded(WindowState winHint, Transaction t) {
         if (shouldNotLayoutLetterbox(winHint)) {
             return;
         }
-        layoutLetterbox(winHint);
+        layoutLetterboxIfNeeded(winHint);
         if (mLetterbox != null && mLetterbox.needsApplySurfaceChanges()) {
             mLetterbox.applySurfaceChanges(t);
         }
     }
 
-    void layoutLetterbox(WindowState w) {
+    void layoutLetterboxIfNeeded(WindowState w) {
         if (shouldNotLayoutLetterbox(w)) {
             return;
         }
@@ -1369,23 +1368,25 @@
      *
      * <p>Conditions that needs to be met:
      * <ul>
-     *   <li>Activity is portrait-only.
-     *   <li>Fullscreen window in landscape device orientation.
+     *   <li>Windowing mode is fullscreen.
      *   <li>Horizontal Reachability is enabled.
-     *   <li>Activity fills parent vertically.
+     *   <li>First top opaque activity fills parent vertically, but not horizontally.
      * </ul>
      */
     private boolean isHorizontalReachabilityEnabled(Configuration parentConfiguration) {
         // Use screen resolved bounds which uses resolved bounds or size compat bounds
         // as activity bounds can sometimes be empty
+        final Rect opaqueActivityBounds = hasInheritedLetterboxBehavior()
+                ? mFirstOpaqueActivityBeneath.getScreenResolvedBounds()
+                : mActivityRecord.getScreenResolvedBounds();
         return mLetterboxConfiguration.getIsHorizontalReachabilityEnabled()
                 && parentConfiguration.windowConfiguration.getWindowingMode()
                         == WINDOWING_MODE_FULLSCREEN
-                && (parentConfiguration.orientation == ORIENTATION_LANDSCAPE
-                        && mActivityRecord.getOrientationForReachability() == ORIENTATION_PORTRAIT)
                 // Check whether the activity fills the parent vertically.
                 && parentConfiguration.windowConfiguration.getAppBounds().height()
-                        <= mActivityRecord.getScreenResolvedBounds().height();
+                        <= opaqueActivityBounds.height()
+                && parentConfiguration.windowConfiguration.getAppBounds().width()
+                        > opaqueActivityBounds.width();
     }
 
     @VisibleForTesting
@@ -1402,23 +1403,25 @@
      *
      * <p>Conditions that needs to be met:
      * <ul>
-     *   <li>Activity is landscape-only.
-     *   <li>Fullscreen window in portrait device orientation.
+     *   <li>Windowing mode is fullscreen.
      *   <li>Vertical Reachability is enabled.
-     *   <li>Activity fills parent horizontally.
+     *   <li>First top opaque activity fills parent horizontally but not vertically.
      * </ul>
      */
     private boolean isVerticalReachabilityEnabled(Configuration parentConfiguration) {
         // Use screen resolved bounds which uses resolved bounds or size compat bounds
         // as activity bounds can sometimes be empty
+        final Rect opaqueActivityBounds = hasInheritedLetterboxBehavior()
+                ? mFirstOpaqueActivityBeneath.getScreenResolvedBounds()
+                : mActivityRecord.getScreenResolvedBounds();
         return mLetterboxConfiguration.getIsVerticalReachabilityEnabled()
                 && parentConfiguration.windowConfiguration.getWindowingMode()
                         == WINDOWING_MODE_FULLSCREEN
-                && (parentConfiguration.orientation == ORIENTATION_PORTRAIT
-                        && mActivityRecord.getOrientationForReachability() == ORIENTATION_LANDSCAPE)
                 // Check whether the activity fills the parent horizontally.
-                && parentConfiguration.windowConfiguration.getBounds().width()
-                        == mActivityRecord.getScreenResolvedBounds().width();
+                && parentConfiguration.windowConfiguration.getAppBounds().width()
+                        <= opaqueActivityBounds.width()
+                && parentConfiguration.windowConfiguration.getAppBounds().height()
+                        > opaqueActivityBounds.height();
     }
 
     @VisibleForTesting
diff --git a/services/core/java/com/android/server/wm/Session.java b/services/core/java/com/android/server/wm/Session.java
index 975208f..908cbd3 100644
--- a/services/core/java/com/android/server/wm/Session.java
+++ b/services/core/java/com/android/server/wm/Session.java
@@ -110,9 +110,7 @@
     private final String mStringName;
     SurfaceSession mSurfaceSession;
     private final ArrayList<WindowState> mAddedWindows = new ArrayList<>();
-    // Set of visible application overlay window surfaces connected to this session.
-    private final ArraySet<WindowSurfaceController> mAppOverlaySurfaces = new ArraySet<>();
-    // Set of visible alert window surfaces connected to this session.
+    /** Set of visible alert/app-overlay window surfaces connected to this session. */
     private final ArraySet<WindowSurfaceController> mAlertWindowSurfaces = new ArraySet<>();
     private final DragDropController mDragDropController;
     final boolean mCanAddInternalSystemWindow;
@@ -796,46 +794,45 @@
         }
 
         boolean changed;
-
-        if (!mCanAddInternalSystemWindow && !mCanCreateSystemApplicationOverlay) {
-            // We want to track non-system apps adding alert windows so we can post an
-            // on-going notification for the user to control their visibility.
-            if (visible) {
-                changed = mAlertWindowSurfaces.add(surfaceController);
-                MetricsLoggerWrapper.logAppOverlayEnter(mUid, mPackageName, changed, type, true);
-            } else {
-                changed = mAlertWindowSurfaces.remove(surfaceController);
-                MetricsLoggerWrapper.logAppOverlayExit(mUid, mPackageName, changed, type, true);
+        // Track non-system apps adding overlay/alert windows, so a notification can post for the
+        // user to control their visibility.
+        final boolean noSystemOverlayPermission =
+                !mCanAddInternalSystemWindow && !mCanCreateSystemApplicationOverlay;
+        if (visible) {
+            changed = mAlertWindowSurfaces.add(surfaceController);
+            if (type == TYPE_APPLICATION_OVERLAY) {
+                MetricsLoggerWrapper.logAppOverlayEnter(mUid, mPackageName, changed, type,
+                        false /* set false to only log for TYPE_APPLICATION_OVERLAY */);
+            } else if (noSystemOverlayPermission) {
+                MetricsLoggerWrapper.logAppOverlayEnter(mUid, mPackageName, changed, type,
+                        true /* only log for non-TYPE_APPLICATION_OVERLAY */);
             }
+        } else {
+            changed = mAlertWindowSurfaces.remove(surfaceController);
+            if (type == TYPE_APPLICATION_OVERLAY) {
+                MetricsLoggerWrapper.logAppOverlayExit(mUid, mPackageName, changed, type,
+                        false /* set false to only log for TYPE_APPLICATION_OVERLAY */);
+            } else if (noSystemOverlayPermission) {
+                MetricsLoggerWrapper.logAppOverlayExit(mUid, mPackageName, changed, type,
+                        true /* only log for non-TYPE_APPLICATION_OVERLAY */);
+            }
+        }
 
-            if (changed) {
-                if (mAlertWindowSurfaces.isEmpty()) {
-                    cancelAlertWindowNotification();
-                } else if (mAlertWindowNotification == null){
-                    mAlertWindowNotification = new AlertWindowNotification(mService, mPackageName);
-                    if (mShowingAlertWindowNotificationAllowed) {
-                        mAlertWindowNotification.post();
-                    }
+        if (changed && noSystemOverlayPermission) {
+            if (mAlertWindowSurfaces.isEmpty()) {
+                cancelAlertWindowNotification();
+            } else if (mAlertWindowNotification == null) {
+                mAlertWindowNotification = new AlertWindowNotification(mService, mPackageName);
+                if (mShowingAlertWindowNotificationAllowed) {
+                    mAlertWindowNotification.post();
                 }
             }
         }
 
-        if (type != TYPE_APPLICATION_OVERLAY) {
-            return;
-        }
-
-        if (visible) {
-            changed = mAppOverlaySurfaces.add(surfaceController);
-            MetricsLoggerWrapper.logAppOverlayEnter(mUid, mPackageName, changed, type, false);
-        } else {
-            changed = mAppOverlaySurfaces.remove(surfaceController);
-            MetricsLoggerWrapper.logAppOverlayExit(mUid, mPackageName, changed, type, false);
-        }
-
-        if (changed) {
-            // Notify activity manager of changes to app overlay windows so it can adjust the
-            // importance score for the process.
-            setHasOverlayUi(!mAppOverlaySurfaces.isEmpty());
+        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());
         }
     }
 
@@ -870,12 +867,12 @@
         mSurfaceSession = null;
         mAddedWindows.clear();
         mAlertWindowSurfaces.clear();
-        mAppOverlaySurfaces.clear();
         setHasOverlayUi(false);
         cancelAlertWindowNotification();
     }
 
-    private void setHasOverlayUi(boolean hasOverlayUi) {
+    @VisibleForTesting
+    void setHasOverlayUi(boolean hasOverlayUi) {
         mService.mH.obtainMessage(H.SET_HAS_OVERLAY_UI, mPid, hasOverlayUi ? 1 : 0).sendToTarget();
     }
 
@@ -890,7 +887,6 @@
     void dump(PrintWriter pw, String prefix) {
         pw.print(prefix); pw.print("numWindow="); pw.print(mAddedWindows.size());
                 pw.print(" mCanAddInternalSystemWindow="); pw.print(mCanAddInternalSystemWindow);
-                pw.print(" mAppOverlaySurfaces="); pw.print(mAppOverlaySurfaces);
                 pw.print(" mAlertWindowSurfaces="); pw.print(mAlertWindowSurfaces);
                 pw.print(" mClientDead="); pw.print(mClientDead);
                 pw.print(" mSurfaceSession="); pw.println(mSurfaceSession);
diff --git a/services/core/java/com/android/server/wm/TaskFragment.java b/services/core/java/com/android/server/wm/TaskFragment.java
index 838ce86..10cbc66 100644
--- a/services/core/java/com/android/server/wm/TaskFragment.java
+++ b/services/core/java/com/android/server/wm/TaskFragment.java
@@ -1590,7 +1590,7 @@
                             mAtmService.getLifecycleManager().scheduleTransactionItem(
                                     appThread, activityResultItem);
                         } else {
-                            transaction.addCallback(activityResultItem);
+                            transaction.addTransactionItem(activityResultItem);
                         }
                     }
                 }
@@ -1602,7 +1602,7 @@
                         mAtmService.getLifecycleManager().scheduleTransactionItem(
                                 appThread, newIntentItem);
                     } else {
-                        transaction.addCallback(newIntentItem);
+                        transaction.addTransactionItem(newIntentItem);
                     }
                 }
 
@@ -1624,7 +1624,7 @@
                     mAtmService.getLifecycleManager().scheduleTransactionItem(
                             appThread, resumeActivityItem);
                 } else {
-                    transaction.setLifecycleStateRequest(resumeActivityItem);
+                    transaction.addTransactionItem(resumeActivityItem);
                     mAtmService.getLifecycleManager().scheduleTransaction(transaction);
                 }
 
diff --git a/services/core/java/com/android/server/wm/WindowManagerService.java b/services/core/java/com/android/server/wm/WindowManagerService.java
index e538f5d5..61480d2 100644
--- a/services/core/java/com/android/server/wm/WindowManagerService.java
+++ b/services/core/java/com/android/server/wm/WindowManagerService.java
@@ -6750,11 +6750,6 @@
     private void dumpWindowsLocked(PrintWriter pw, boolean dumpAll,
             ArrayList<WindowState> windows) {
         pw.println("WINDOW MANAGER WINDOWS (dumpsys window windows)");
-        dumpWindowsNoHeaderLocked(pw, dumpAll, windows);
-    }
-
-    private void dumpWindowsNoHeaderLocked(PrintWriter pw, boolean dumpAll,
-            ArrayList<WindowState> windows) {
         mRoot.dumpWindowsNoHeader(pw, dumpAll, windows);
 
         if (!mHidingNonSystemOverlayWindows.isEmpty()) {
@@ -6989,9 +6984,15 @@
         if (reason != null) {
             pw.println("  Reason: " + reason);
         }
+        pw.println();
+        final ArrayList<WindowState> relatedWindows = new ArrayList<>();
         for (int i = mRoot.getChildCount() - 1; i >= 0; i--) {
             final DisplayContent dc = mRoot.getChildAt(i);
             final int displayId = dc.getDisplayId();
+            final WindowState currentFocus = dc.mCurrentFocus;
+            final ActivityRecord focusedApp = dc.mFocusedApp;
+            pw.println("  Display #" + displayId + " currentFocus=" + currentFocus
+                    + " focusedApp=" + focusedApp);
             if (!dc.mWinAddedSinceNullFocus.isEmpty()) {
                 pw.println("  Windows added in display #" + displayId + " since null focus: "
                         + dc.mWinAddedSinceNullFocus);
@@ -7000,12 +7001,25 @@
                 pw.println("  Windows removed in display #" + displayId + " since null focus: "
                         + dc.mWinRemovedSinceNullFocus);
             }
+            pw.println("  Tasks in top down Z order:");
+            dc.forAllTaskDisplayAreas(tda -> {
+                tda.dump(pw, "    ", false /* dumpAll */);
+            });
+            dc.getInputMonitor().dump(pw, "  ");
+            pw.println();
+            dc.forAllWindows(w -> {
+                if ((currentFocus != null && Objects.equals(w.mAttrs.packageName,
+                        currentFocus.mAttrs.packageName)) || (focusedApp != null
+                        && Objects.equals(w.mAttrs.packageName, focusedApp.packageName))) {
+                    relatedWindows.add(w);
+                }
+            }, true /* traverseTopToBottom */);
         }
+        if (windowState != null && !relatedWindows.contains(windowState)) {
+            relatedWindows.add(windowState);
+        }
+        mRoot.dumpWindowsNoHeader(pw, true /* dumpAll */, relatedWindows);
         pw.println();
-        dumpWindowsNoHeaderLocked(pw, true, null);
-        pw.println();
-        pw.println("Last ANR continued");
-        mRoot.dumpDisplayContents(pw);
         pw.close();
         mLastANRState = sw.toString();
 
diff --git a/services/core/java/com/android/server/wm/WindowProcessController.java b/services/core/java/com/android/server/wm/WindowProcessController.java
index 6acf1f3..ee16a37 100644
--- a/services/core/java/com/android/server/wm/WindowProcessController.java
+++ b/services/core/java/com/android/server/wm/WindowProcessController.java
@@ -28,7 +28,6 @@
 import static com.android.internal.protolog.ProtoLogGroup.WM_DEBUG_CONFIGURATION;
 import static com.android.internal.util.Preconditions.checkArgument;
 import static com.android.server.am.ProcessList.INVALID_ADJ;
-import static com.android.server.grammaticalinflection.GrammaticalInflectionUtils.checkSystemGrammaticalGenderPermission;
 import static com.android.server.wm.ActivityRecord.State.DESTROYED;
 import static com.android.server.wm.ActivityRecord.State.DESTROYING;
 import static com.android.server.wm.ActivityRecord.State.PAUSED;
@@ -299,7 +298,7 @@
      */
     private volatile int mActivityStateFlags = ACTIVITY_STATE_FLAG_MASK_MIN_TASK_LAYER;
 
-    private boolean mCanUseSystemGrammaticalGender;
+    private final boolean mCanUseSystemGrammaticalGender;
 
     public WindowProcessController(@NonNull ActivityTaskManagerService atm,
             @NonNull ApplicationInfo info, String name, int uid, int userId, Object owner,
diff --git a/services/core/java/com/android/server/wm/WindowState.java b/services/core/java/com/android/server/wm/WindowState.java
index 6e993b3..b8f1d15 100644
--- a/services/core/java/com/android/server/wm/WindowState.java
+++ b/services/core/java/com/android/server/wm/WindowState.java
@@ -1332,7 +1332,7 @@
         updateSourceFrame(windowFrames.mFrame);
 
         if (mActivityRecord != null && !mIsChildWindow) {
-            mActivityRecord.layoutLetterbox(this);
+            mActivityRecord.layoutLetterboxIfNeeded(this);
         }
         mSurfacePlacementNeeded = true;
         mHaveFrame = true;
diff --git a/services/devicepolicy/java/com/android/server/devicepolicy/ActiveAdmin.java b/services/devicepolicy/java/com/android/server/devicepolicy/ActiveAdmin.java
index 17638fc..dc8cec9 100644
--- a/services/devicepolicy/java/com/android/server/devicepolicy/ActiveAdmin.java
+++ b/services/devicepolicy/java/com/android/server/devicepolicy/ActiveAdmin.java
@@ -21,8 +21,6 @@
 import static android.app.admin.DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED;
 import static android.app.admin.WifiSsidPolicy.WIFI_SSID_POLICY_TYPE_ALLOWLIST;
 import static android.app.admin.WifiSsidPolicy.WIFI_SSID_POLICY_TYPE_DENYLIST;
-import static android.app.admin.flags.Flags.dumpsysPolicyEngineMigrationEnabled;
-import static android.app.admin.flags.Flags.policyEngineMigrationV2Enabled;
 import static android.net.NetworkCapabilities.NET_ENTERPRISE_ID_1;
 
 import static com.android.server.devicepolicy.DevicePolicyManagerService.LOG_TAG;
@@ -41,6 +39,7 @@
 import android.app.admin.PasswordPolicy;
 import android.app.admin.PreferentialNetworkServiceConfig;
 import android.app.admin.WifiSsidPolicy;
+import android.app.admin.flags.Flags;
 import android.graphics.Color;
 import android.net.wifi.WifiSsid;
 import android.os.Bundle;
@@ -1297,7 +1296,7 @@
         pw.print("encryptionRequested=");
         pw.println(encryptionRequested);
 
-        if (!dumpsysPolicyEngineMigrationEnabled()) {
+        if (!Flags.dumpsysPolicyEngineMigrationEnabled()) {
             pw.print("disableCamera=");
             pw.println(disableCamera);
 
@@ -1316,7 +1315,8 @@
             UserRestrictionsUtils.dumpRestrictions(pw, "  ", userRestrictions);
         }
 
-        if (!policyEngineMigrationV2Enabled() || !dumpsysPolicyEngineMigrationEnabled()) {
+        if (!Flags.policyEngineMigrationV2Enabled()
+                || !Flags.dumpsysPolicyEngineMigrationEnabled()) {
             pw.print("mUsbDataSignaling=");
             pw.println(mUsbDataSignalingEnabled);
         }
diff --git a/services/devicepolicy/java/com/android/server/devicepolicy/DevicePolicyEngine.java b/services/devicepolicy/java/com/android/server/devicepolicy/DevicePolicyEngine.java
index 3e066f2..12f4407 100644
--- a/services/devicepolicy/java/com/android/server/devicepolicy/DevicePolicyEngine.java
+++ b/services/devicepolicy/java/com/android/server/devicepolicy/DevicePolicyEngine.java
@@ -24,7 +24,6 @@
 import static android.app.admin.PolicyUpdateResult.RESULT_FAILURE_STORAGE_LIMIT_REACHED;
 import static android.app.admin.PolicyUpdateResult.RESULT_POLICY_CLEARED;
 import static android.app.admin.PolicyUpdateResult.RESULT_POLICY_SET;
-import static android.app.admin.flags.Flags.devicePolicySizeTrackingEnabled;
 import static android.content.pm.UserProperties.INHERIT_DEVICE_POLICY_FROM_PARENT;
 
 import android.Manifest;
@@ -42,6 +41,7 @@
 import android.app.admin.PolicyValue;
 import android.app.admin.TargetUser;
 import android.app.admin.UserRestrictionPolicyKey;
+import android.app.admin.flags.Flags;
 import android.content.ComponentName;
 import android.content.Context;
 import android.content.Intent;
@@ -225,7 +225,7 @@
 
         synchronized (mLock) {
             PolicyState<V> localPolicyState = getLocalPolicyStateLocked(policyDefinition, userId);
-            if (devicePolicySizeTrackingEnabled() && false) {
+            if (Flags.devicePolicySizeTrackingEnabled() && false) {
                 if (!handleAdminPolicySizeLimit(localPolicyState, enforcingAdmin, value,
                         policyDefinition, userId)) {
                     return;
@@ -350,7 +350,7 @@
             }
             PolicyState<V> localPolicyState = getLocalPolicyStateLocked(policyDefinition, userId);
 
-            if (devicePolicySizeTrackingEnabled() && false) {
+            if (Flags.devicePolicySizeTrackingEnabled() && false) {
                 decreasePolicySizeForAdmin(localPolicyState, enforcingAdmin);
             }
 
@@ -496,7 +496,7 @@
 
         synchronized (mLock) {
             PolicyState<V> globalPolicyState = getGlobalPolicyStateLocked(policyDefinition);
-            if (devicePolicySizeTrackingEnabled() && false) {
+            if (Flags.devicePolicySizeTrackingEnabled() && false) {
                 if (!handleAdminPolicySizeLimit(globalPolicyState, enforcingAdmin, value,
                         policyDefinition, UserHandle.USER_ALL)) {
                     return;
@@ -568,7 +568,7 @@
         synchronized (mLock) {
             PolicyState<V> policyState = getGlobalPolicyStateLocked(policyDefinition);
 
-            if (devicePolicySizeTrackingEnabled() && false) {
+            if (Flags.devicePolicySizeTrackingEnabled() && false) {
                 decreasePolicySizeForAdmin(policyState, enforcingAdmin);
             }
 
@@ -1892,7 +1892,7 @@
 
         private void writeEnforcingAdminSizeInner(TypedXmlSerializer serializer)
                 throws IOException {
-            if (devicePolicySizeTrackingEnabled() && false) {
+            if (Flags.devicePolicySizeTrackingEnabled() && false) {
                 if (mAdminPolicySize != null) {
                     for (int i = 0; i < mAdminPolicySize.size(); i++) {
                         int userId = mAdminPolicySize.keyAt(i);
@@ -1916,7 +1916,7 @@
 
         private void writeMaxPolicySizeInner(TypedXmlSerializer serializer)
                 throws IOException {
-            if (!devicePolicySizeTrackingEnabled() || true) {
+            if (!Flags.devicePolicySizeTrackingEnabled() || true) {
                 return;
             }
             serializer.startTag(/* namespace= */ null, TAG_MAX_POLICY_SIZE_LIMIT);
@@ -2081,7 +2081,7 @@
 
         private void readMaxPolicySizeInner(TypedXmlPullParser parser)
                 throws XmlPullParserException, IOException {
-            if (!devicePolicySizeTrackingEnabled() || true) {
+            if (!Flags.devicePolicySizeTrackingEnabled() || true) {
                 return;
             }
             mPolicySizeLimit = parser.getAttributeInt(/* namespace= */ null, ATTR_POLICY_SUM_SIZE);
diff --git a/services/devicepolicy/java/com/android/server/devicepolicy/DevicePolicyManagerService.java b/services/devicepolicy/java/com/android/server/devicepolicy/DevicePolicyManagerService.java
index 9d84d6f..d5d26be 100644
--- a/services/devicepolicy/java/com/android/server/devicepolicy/DevicePolicyManagerService.java
+++ b/services/devicepolicy/java/com/android/server/devicepolicy/DevicePolicyManagerService.java
@@ -239,14 +239,6 @@
 import static android.app.admin.ProvisioningException.ERROR_SETTING_PROFILE_OWNER_FAILED;
 import static android.app.admin.ProvisioningException.ERROR_SET_DEVICE_OWNER_FAILED;
 import static android.app.admin.ProvisioningException.ERROR_STARTING_PROFILE_FAILED;
-import static android.app.admin.flags.Flags.backupServiceSecurityLogEventEnabled;
-import static android.app.admin.flags.Flags.devicePolicySizeTrackingEnabled;
-import static android.app.admin.flags.Flags.dumpsysPolicyEngineMigrationEnabled;
-import static android.app.admin.flags.Flags.headlessDeviceOwnerSingleUserEnabled;
-import static android.app.admin.flags.Flags.permissionMigrationForZeroTrustImplEnabled;
-import static android.app.admin.flags.Flags.policyEngineMigrationV2Enabled;
-import static android.app.admin.flags.Flags.assistContentUserRestrictionEnabled;
-import static android.app.admin.flags.Flags.securityLogV2Enabled;
 import static android.content.Intent.ACTION_MANAGED_PROFILE_AVAILABLE;
 import static android.content.Intent.ACTION_MANAGED_PROFILE_UNAVAILABLE;
 import static android.content.Intent.FLAG_ACTIVITY_NEW_TASK;
@@ -272,6 +264,7 @@
 
 import static com.android.internal.logging.nano.MetricsProto.MetricsEvent.PROVISIONING_ENTRY_POINT_ADB;
 import static com.android.internal.widget.LockPatternUtils.CREDENTIAL_TYPE_NONE;
+import static com.android.internal.widget.LockPatternUtils.StrongAuthTracker.SOME_AUTH_REQUIRED_AFTER_ADAPTIVE_AUTH_REQUEST;
 import static com.android.internal.widget.LockPatternUtils.StrongAuthTracker.STRONG_AUTH_REQUIRED_AFTER_DPM_LOCK_NOW;
 import static com.android.server.SystemTimeZone.TIME_ZONE_CONFIDENCE_HIGH;
 import static com.android.server.am.ActivityManagerService.STOCK_PM_FLAGS;
@@ -360,6 +353,7 @@
 import android.app.admin.UnsafeStateException;
 import android.app.admin.UserRestrictionPolicyKey;
 import android.app.admin.WifiSsidPolicy;
+import android.app.admin.flags.Flags;
 import android.app.backup.IBackupManager;
 import android.app.compat.CompatChanges;
 import android.app.role.OnRoleHoldersChangedListener;
@@ -513,7 +507,6 @@
 import com.android.modules.utils.TypedXmlPullParser;
 import com.android.modules.utils.TypedXmlSerializer;
 import com.android.net.module.util.ProxyUtils;
-import com.android.net.thread.flags.Flags;
 import com.android.server.AlarmManagerInternal;
 import com.android.server.LocalManagerRegistry;
 import com.android.server.LocalServices;
@@ -2728,7 +2721,7 @@
             return;
         }
 
-        if (securityLogV2Enabled()) {
+        if (Flags.securityLogV2Enabled()) {
             boolean auditLoggingEnabled = Boolean.TRUE.equals(
                     mDevicePolicyEngine.getResolvedPolicy(
                             PolicyDefinition.AUDIT_LOGGING, UserHandle.USER_ALL));
@@ -3418,7 +3411,7 @@
 
     @GuardedBy("getLockObject()")
     private void maybeMigrateSecurityLoggingPolicyLocked() {
-        if (!securityLogV2Enabled() || mOwners.isSecurityLoggingMigrated()) {
+        if (!Flags.securityLogV2Enabled() || mOwners.isSecurityLoggingMigrated()) {
             return;
         }
 
@@ -3522,7 +3515,7 @@
             }
 
             revertTransferOwnershipIfNecessaryLocked();
-            if (!policyEngineMigrationV2Enabled()) {
+            if (!Flags.policyEngineMigrationV2Enabled()) {
                 updateUsbDataSignal(mContext, isUsbDataSignalingEnabledInternalLocked());
             }
         }
@@ -11151,7 +11144,7 @@
                 pw.println();
                 mStatLogger.dump(pw);
                 pw.println();
-                if (dumpsysPolicyEngineMigrationEnabled()) {
+                if (Flags.dumpsysPolicyEngineMigrationEnabled()) {
                     mDevicePolicyEngine.dump(pw);
                     pw.println();
                 }
@@ -12068,7 +12061,7 @@
         }
 
         if (packageList != null) {
-            if (!devicePolicySizeTrackingEnabled()) {
+            if (!Flags.devicePolicySizeTrackingEnabled()) {
                 for (String pkg : packageList) {
                     PolicySizeVerifier.enforceMaxPackageNameLength(pkg);
                 }
@@ -12313,7 +12306,7 @@
         Preconditions.checkCallAuthorization(isDefaultDeviceOwner(caller));
         checkCanExecuteOrThrowUnsafe(DevicePolicyManager.OPERATION_CREATE_AND_MANAGE_USER);
 
-        if (headlessDeviceOwnerSingleUserEnabled()) {
+        if (Flags.headlessDeviceOwnerSingleUserEnabled()) {
             // Block this method if the device is in headless main user mode
             Preconditions.checkCallAuthorization(
                     getHeadlessDeviceOwnerMode() != HEADLESS_DEVICE_OWNER_MODE_SINGLE_USER,
@@ -13438,12 +13431,12 @@
                 UserManager.DISALLOW_SMS, new String[]{MANAGE_DEVICE_POLICY_SMS});
         USER_RESTRICTION_PERMISSIONS.put(
                 UserManager.DISALLOW_SYSTEM_ERROR_DIALOGS, new String[]{MANAGE_DEVICE_POLICY_SYSTEM_DIALOGS});
-        if (Flags.threadUserRestrictionEnabled()) {
+        if (com.android.net.thread.flags.Flags.threadUserRestrictionEnabled()) {
             USER_RESTRICTION_PERMISSIONS.put(
                     UserManager.DISALLOW_THREAD_NETWORK,
                     new String[]{MANAGE_DEVICE_POLICY_THREAD_NETWORK});
         }
-        if (assistContentUserRestrictionEnabled()) {
+        if (Flags.assistContentUserRestrictionEnabled()) {
             USER_RESTRICTION_PERMISSIONS.put(
                     UserManager.DISALLOW_ASSIST_CONTENT,
                     new String[]{MANAGE_DEVICE_POLICY_ASSIST_CONTENT});
@@ -13777,7 +13770,7 @@
             return;
         }
 
-        if (!devicePolicySizeTrackingEnabled()) {
+        if (!Flags.devicePolicySizeTrackingEnabled()) {
             PolicySizeVerifier.enforceMaxStringLength(accountType, "account type");
         }
 
@@ -14391,7 +14384,7 @@
     public void setLockTaskPackages(ComponentName who, String callerPackageName, String[] packages)
             throws SecurityException {
         Objects.requireNonNull(packages, "packages is null");
-        if (!devicePolicySizeTrackingEnabled()) {
+        if (!Flags.devicePolicySizeTrackingEnabled()) {
             for (String pkg : packages) {
                 PolicySizeVerifier.enforceMaxPackageNameLength(pkg);
             }
@@ -15798,7 +15791,7 @@
 
         @Override
         public void enforceSecurityLoggingPolicy(boolean enabled) {
-            if (!securityLogV2Enabled()) {
+            if (!Flags.securityLogV2Enabled()) {
                 return;
             }
             Boolean auditLoggingEnabled = mDevicePolicyEngine.getResolvedPolicy(
@@ -15808,7 +15801,7 @@
 
         @Override
         public void enforceAuditLoggingPolicy(boolean enabled) {
-            if (!securityLogV2Enabled()) {
+            if (!Flags.securityLogV2Enabled()) {
                 return;
             }
             Boolean securityLoggingEnabled = mDevicePolicyEngine.getResolvedPolicy(
@@ -16345,7 +16338,7 @@
                     mContext.sendBroadcastAsUser(intent, UserHandle.of(userId));
                 }
 
-                if (permissionMigrationForZeroTrustImplEnabled()) {
+                if (Flags.permissionMigrationForZeroTrustImplEnabled()) {
                     final UserHandle user = UserHandle.of(userId);
                     final String roleHolderPackage = getRoleHolderPackageNameOnUser(
                             RoleManager.ROLE_DEVICE_POLICY_MANAGEMENT, userId);
@@ -16359,7 +16352,7 @@
 
     @Override
     public SystemUpdateInfo getPendingSystemUpdate(ComponentName admin, String callerPackage) {
-        if (permissionMigrationForZeroTrustImplEnabled()) {
+        if (Flags.permissionMigrationForZeroTrustImplEnabled()) {
             CallerIdentity caller = getCallerIdentity(admin, callerPackage);
             enforcePermissions(new String[] {NOTIFY_PENDING_SYSTEM_UPDATE,
                     MANAGE_DEVICE_POLICY_QUERY_SYSTEM_UPDATES}, caller.getPackageName(),
@@ -16816,7 +16809,7 @@
                     return STATUS_HEADLESS_SYSTEM_USER_MODE_NOT_SUPPORTED;
                 }
 
-                if (headlessDeviceOwnerSingleUserEnabled() && isHeadlessModeSingleUser) {
+                if (Flags.headlessDeviceOwnerSingleUserEnabled() && isHeadlessModeSingleUser) {
                     ensureSetUpUser = mUserManagerInternal.getMainUserId();
                     if (ensureSetUpUser == UserHandle.USER_NULL) {
                         return STATUS_HEADLESS_ONLY_SYSTEM_USER;
@@ -17723,7 +17716,7 @@
         }
         final CallerIdentity caller = getCallerIdentity(who, packageName);
 
-        if (securityLogV2Enabled()) {
+        if (Flags.securityLogV2Enabled()) {
             EnforcingAdmin admin = enforcePermissionAndGetEnforcingAdmin(
                     who,
                     MANAGE_DEVICE_POLICY_SECURITY_LOGGING,
@@ -17783,7 +17776,7 @@
             return mInjector.securityLogGetLoggingEnabledProperty();
         }
 
-        if (securityLogV2Enabled()) {
+        if (Flags.securityLogV2Enabled()) {
             final EnforcingAdmin enforcingAdmin = enforcePermissionAndGetEnforcingAdmin(
                     admin,
                     MANAGE_DEVICE_POLICY_SECURITY_LOGGING,
@@ -17881,7 +17874,7 @@
 
         final CallerIdentity caller = getCallerIdentity(admin, packageName);
 
-        if (securityLogV2Enabled()) {
+        if (Flags.securityLogV2Enabled()) {
             EnforcingAdmin enforcingAdmin = enforcePermissionAndGetEnforcingAdmin(
                     admin,
                     MANAGE_DEVICE_POLICY_SECURITY_LOGGING,
@@ -17936,7 +17929,7 @@
         }
         final CallerIdentity caller = getCallerIdentity(callingPackage);
 
-        if (!securityLogV2Enabled()) {
+        if (!Flags.securityLogV2Enabled()) {
             throw new UnsupportedOperationException("Audit log not enabled");
         }
 
@@ -17964,7 +17957,7 @@
             return false;
         }
 
-        if (!securityLogV2Enabled()) {
+        if (!Flags.securityLogV2Enabled()) {
             throw new UnsupportedOperationException("Audit log not enabled");
         }
 
@@ -18230,7 +18223,7 @@
 
         toggleBackupServiceActive(caller.getUserId(), enabled);
 
-        if (backupServiceSecurityLogEventEnabled()) {
+        if (Flags.backupServiceSecurityLogEventEnabled()) {
             if (SecurityLog.isLoggingEnabled()) {
                 SecurityLog.writeEvent(SecurityLog.TAG_BACKUP_SERVICE_TOGGLED,
                         caller.getPackageName(), caller.getUserId(), enabled ? 1 : 0);
@@ -20951,7 +20944,7 @@
 
         final CallerIdentity caller = getCallerIdentity(callerPackage);
 
-        if (permissionMigrationForZeroTrustImplEnabled()) {
+        if (Flags.permissionMigrationForZeroTrustImplEnabled()) {
             enforcePermission(MANAGE_DEVICE_POLICY_CERTIFICATES, caller.getPackageName());
         } else {
             Preconditions.checkCallAuthorization(
@@ -21555,7 +21548,7 @@
             setTimeAndTimezone(provisioningParams.getTimeZone(), provisioningParams.getLocalTime());
             setLocale(provisioningParams.getLocale());
 
-            int deviceOwnerUserId = headlessDeviceOwnerSingleUserEnabled()
+            int deviceOwnerUserId = Flags.headlessDeviceOwnerSingleUserEnabled()
                     && getHeadlessDeviceOwnerMode() == HEADLESS_DEVICE_OWNER_MODE_SINGLE_USER
                     ? mUserManagerInternal.getMainUserId()
                     : UserHandle.USER_SYSTEM;
@@ -21932,7 +21925,7 @@
         Objects.requireNonNull(packageName, "Admin package name must be provided");
         final CallerIdentity caller = getCallerIdentity(packageName);
 
-        if (!policyEngineMigrationV2Enabled()) {
+        if (!Flags.policyEngineMigrationV2Enabled()) {
             Preconditions.checkCallAuthorization(
                     isDefaultDeviceOwner(caller) || isProfileOwnerOfOrganizationOwnedDevice(caller),
                     "USB data signaling can only be controlled by a device owner or "
@@ -21942,7 +21935,7 @@
         }
 
         synchronized (getLockObject()) {
-            if (policyEngineMigrationV2Enabled()) {
+            if (Flags.policyEngineMigrationV2Enabled()) {
                 EnforcingAdmin enforcingAdmin = enforcePermissionAndGetEnforcingAdmin(
                         /* admin= */ null, MANAGE_DEVICE_POLICY_USB_DATA_SIGNALLING,
                         caller.getPackageName(),
@@ -21982,7 +21975,7 @@
     @Override
     public boolean isUsbDataSignalingEnabled(String packageName) {
         final CallerIdentity caller = getCallerIdentity(packageName);
-        if (policyEngineMigrationV2Enabled()) {
+        if (Flags.policyEngineMigrationV2Enabled()) {
             Boolean enabled = mDevicePolicyEngine.getResolvedPolicy(
                     PolicyDefinition.USB_DATA_SIGNALING,
                     caller.getUserId());
@@ -22107,9 +22100,9 @@
         enforcePermission(MANAGE_DEVICE_POLICY_THEFT_DETECTION, caller.getPackageName(),
                 caller.getUserId());
 
-        //STOPSHIP: replace 1<<9 with
-        // LockPatternUtils.SOME_AUTH_REQUIRED_AFTER_ADAPTIVE_AUTH_REQUEST once ag/26042068 lands
-        return 0 != (mLockPatternUtils.getStrongAuthForUser(caller.getUserId()) & (1 << 9));
+        return mInjector.binderWithCleanCallingIdentity(() ->
+                0 != (mLockPatternUtils.getStrongAuthForUser(caller.getUserId())
+                        & SOME_AUTH_REQUIRED_AFTER_ADAPTIVE_AUTH_REQUEST));
     }
 
     @Override
@@ -24235,7 +24228,7 @@
 
     @Override
     public void setMaxPolicyStorageLimit(String callerPackageName, int storageLimit) {
-        if (!devicePolicySizeTrackingEnabled() || true) {
+        if (!Flags.devicePolicySizeTrackingEnabled() || true) {
             return;
         }
         CallerIdentity caller = getCallerIdentity(callerPackageName);
@@ -24247,7 +24240,7 @@
 
     @Override
     public int getMaxPolicyStorageLimit(String callerPackageName) {
-        if (!devicePolicySizeTrackingEnabled() || true) {
+        if (!Flags.devicePolicySizeTrackingEnabled() || true) {
             return -1;
         }
         CallerIdentity caller = getCallerIdentity(callerPackageName);
diff --git a/services/devicepolicy/java/com/android/server/devicepolicy/OwnersData.java b/services/devicepolicy/java/com/android/server/devicepolicy/OwnersData.java
index d9fef10..9d73ed0 100644
--- a/services/devicepolicy/java/com/android/server/devicepolicy/OwnersData.java
+++ b/services/devicepolicy/java/com/android/server/devicepolicy/OwnersData.java
@@ -16,11 +16,11 @@
 package com.android.server.devicepolicy;
 
 import static android.app.admin.DevicePolicyManager.DEVICE_OWNER_TYPE_DEFAULT;
-import static android.app.admin.flags.Flags.securityLogV2Enabled;
 
 import android.annotation.Nullable;
 import android.app.admin.SystemUpdateInfo;
 import android.app.admin.SystemUpdatePolicy;
+import android.app.admin.flags.Flags;
 import android.content.ComponentName;
 import android.os.UserHandle;
 import android.util.ArrayMap;
@@ -400,7 +400,7 @@
 
             out.startTag(null, TAG_POLICY_ENGINE_MIGRATION);
             out.attributeBoolean(null, ATTR_MIGRATED_TO_POLICY_ENGINE, mMigratedToPolicyEngine);
-            if (securityLogV2Enabled()) {
+            if (Flags.securityLogV2Enabled()) {
                 out.attributeBoolean(null, ATTR_SECURITY_LOG_MIGRATED, mSecurityLoggingMigrated);
             }
             out.endTag(null, TAG_POLICY_ENGINE_MIGRATION);
@@ -463,7 +463,7 @@
                 case TAG_POLICY_ENGINE_MIGRATION:
                     mMigratedToPolicyEngine = parser.getAttributeBoolean(
                             null, ATTR_MIGRATED_TO_POLICY_ENGINE, false);
-                    mSecurityLoggingMigrated = securityLogV2Enabled()
+                    mSecurityLoggingMigrated = Flags.securityLogV2Enabled()
                             && parser.getAttributeBoolean(null, ATTR_SECURITY_LOG_MIGRATED, false);
                     break;
                 default:
diff --git a/services/devicepolicy/java/com/android/server/devicepolicy/PersonalAppsSuspensionHelper.java b/services/devicepolicy/java/com/android/server/devicepolicy/PersonalAppsSuspensionHelper.java
index e8c5658..8cb511e 100644
--- a/services/devicepolicy/java/com/android/server/devicepolicy/PersonalAppsSuspensionHelper.java
+++ b/services/devicepolicy/java/com/android/server/devicepolicy/PersonalAppsSuspensionHelper.java
@@ -17,11 +17,11 @@
 package com.android.server.devicepolicy;
 
 import static android.accessibilityservice.AccessibilityServiceInfo.FEEDBACK_ALL_MASK;
-import static android.app.admin.flags.Flags.defaultSmsPersonalAppSuspensionFixEnabled;
 
 import android.accessibilityservice.AccessibilityServiceInfo;
 import android.annotation.Nullable;
 import android.annotation.UserIdInt;
+import android.app.admin.flags.Flags;
 import android.content.ComponentName;
 import android.content.Context;
 import android.content.Intent;
@@ -206,7 +206,7 @@
 
     private String getDefaultSmsPackage() {
         //TODO(b/319449037): Unflag the following change.
-        if (defaultSmsPersonalAppSuspensionFixEnabled()) {
+        if (Flags.defaultSmsPersonalAppSuspensionFixEnabled()) {
             return SmsApplication.getDefaultSmsApplicationAsUser(
                             mContext, /*updateIfNeeded=*/ false, mContext.getUser())
                     .getPackageName();
diff --git a/services/devicepolicy/java/com/android/server/devicepolicy/SecurityLogMonitor.java b/services/devicepolicy/java/com/android/server/devicepolicy/SecurityLogMonitor.java
index b6ab4c7..c582a46 100644
--- a/services/devicepolicy/java/com/android/server/devicepolicy/SecurityLogMonitor.java
+++ b/services/devicepolicy/java/com/android/server/devicepolicy/SecurityLogMonitor.java
@@ -16,8 +16,6 @@
 
 package com.android.server.devicepolicy;
 
-import static android.app.admin.flags.Flags.securityLogV2Enabled;
-
 import static java.util.concurrent.TimeUnit.MILLISECONDS;
 import static java.util.concurrent.TimeUnit.NANOSECONDS;
 
@@ -25,6 +23,7 @@
 import android.app.admin.IAuditLogEventsCallback;
 import android.app.admin.SecurityLog;
 import android.app.admin.SecurityLog.SecurityEvent;
+import android.app.admin.flags.Flags;
 import android.os.Handler;
 import android.os.IBinder;
 import android.os.Process;
@@ -468,11 +467,11 @@
             assignLogId(event);
         }
 
-        if (!securityLogV2Enabled() || mLegacyLogEnabled) {
+        if (!Flags.securityLogV2Enabled() || mLegacyLogEnabled) {
             addToLegacyBufferLocked(dedupedLogs);
         }
 
-        if (securityLogV2Enabled() && mAuditLogEnabled) {
+        if (Flags.securityLogV2Enabled() && mAuditLogEnabled) {
             addAuditLogEventsLocked(dedupedLogs);
         }
     }
@@ -549,7 +548,7 @@
                 saveLastEvents(newLogs);
                 newLogs.clear();
 
-                if (!securityLogV2Enabled() || mLegacyLogEnabled) {
+                if (!Flags.securityLogV2Enabled() || mLegacyLogEnabled) {
                     notifyDeviceOwnerOrProfileOwnerIfNeeded(force);
                 }
             } catch (IOException e) {
diff --git a/services/tests/displayservicetests/src/com/android/server/display/brightness/clamper/BrightnessWearBedtimeModeClamperTest.java b/services/tests/displayservicetests/src/com/android/server/display/brightness/clamper/BrightnessWearBedtimeModeClamperTest.java
index 3458b08..306b4f8 100644
--- a/services/tests/displayservicetests/src/com/android/server/display/brightness/clamper/BrightnessWearBedtimeModeClamperTest.java
+++ b/services/tests/displayservicetests/src/com/android/server/display/brightness/clamper/BrightnessWearBedtimeModeClamperTest.java
@@ -85,7 +85,7 @@
 
     @Test
     public void testType() {
-        assertEquals(BrightnessClamper.Type.BEDTIME_MODE, mClamper.getType());
+        assertEquals(BrightnessClamper.Type.WEAR_BEDTIME_MODE, mClamper.getType());
     }
 
     @Test
diff --git a/services/tests/servicestests/src/com/android/server/am/UserControllerTest.java b/services/tests/servicestests/src/com/android/server/am/UserControllerTest.java
index 4307ec5..cea10ea 100644
--- a/services/tests/servicestests/src/com/android/server/am/UserControllerTest.java
+++ b/services/tests/servicestests/src/com/android/server/am/UserControllerTest.java
@@ -87,6 +87,7 @@
 import android.os.IRemoteCallback;
 import android.os.Looper;
 import android.os.Message;
+import android.os.PowerManagerInternal;
 import android.os.RemoteException;
 import android.os.UserHandle;
 import android.os.UserManager;
@@ -1223,6 +1224,7 @@
         private final UserManagerInternal mUserManagerInternalMock;
         private final WindowManagerService mWindowManagerMock;
         private final ActivityTaskManagerInternal mActivityTaskManagerInternal;
+        private final PowerManagerInternal mPowerManagerInternal;
         private final KeyguardManager mKeyguardManagerMock;
         private final LockPatternUtils mLockPatternUtilsMock;
 
@@ -1244,6 +1246,7 @@
             mWindowManagerMock = mock(WindowManagerService.class);
             mActivityTaskManagerInternal = mock(ActivityTaskManagerInternal.class);
             mStorageManagerMock = mock(IStorageManager.class);
+            mPowerManagerInternal = mock(PowerManagerInternal.class);
             mKeyguardManagerMock = mock(KeyguardManager.class);
             when(mKeyguardManagerMock.isDeviceSecure(anyInt())).thenReturn(true);
             mLockPatternUtilsMock = mock(LockPatternUtils.class);
@@ -1309,6 +1312,11 @@
         }
 
         @Override
+        PowerManagerInternal getPowerManagerInternal() {
+            return mPowerManagerInternal;
+        }
+
+        @Override
         KeyguardManager getKeyguardManager() {
             return mKeyguardManagerMock;
         }
diff --git a/services/tests/servicestests/src/com/android/server/companion/virtual/GenericWindowPolicyControllerTest.java b/services/tests/servicestests/src/com/android/server/companion/virtual/GenericWindowPolicyControllerTest.java
index 132b621..ec3e97b 100644
--- a/services/tests/servicestests/src/com/android/server/companion/virtual/GenericWindowPolicyControllerTest.java
+++ b/services/tests/servicestests/src/com/android/server/companion/virtual/GenericWindowPolicyControllerTest.java
@@ -38,6 +38,7 @@
 import android.app.WindowConfiguration;
 import android.companion.virtual.IVirtualDeviceIntentInterceptor;
 import android.companion.virtual.VirtualDeviceManager;
+import android.content.AttributionSource;
 import android.content.ComponentName;
 import android.content.Context;
 import android.content.Intent;
@@ -712,6 +713,7 @@
         return new GenericWindowPolicyController(
                 0,
                 0,
+                AttributionSource.myAttributionSource(),
                 /* allowedUsers= */ new ArraySet<>(getCurrentUserId()),
                 /* activityLaunchAllowedByDefault= */ true,
                 /* activityPolicyExemptions= */ new ArraySet<>(),
@@ -732,6 +734,7 @@
         return new GenericWindowPolicyController(
                 0,
                 0,
+                AttributionSource.myAttributionSource(),
                 /* allowedUsers= */ new ArraySet<>(),
                 /* activityLaunchAllowedByDefault= */ true,
                 /* activityPolicyExemptions= */ new ArraySet<>(),
@@ -753,6 +756,7 @@
         return new GenericWindowPolicyController(
                 0,
                 0,
+                AttributionSource.myAttributionSource(),
                 /* allowedUsers= */ new ArraySet<>(getCurrentUserId()),
                 /* activityLaunchAllowedByDefault= */ true,
                 /* activityPolicyExemptions= */ new ArraySet<>(),
@@ -774,6 +778,7 @@
         return new GenericWindowPolicyController(
                 0,
                 0,
+                AttributionSource.myAttributionSource(),
                 /* allowedUsers= */ new ArraySet<>(getCurrentUserId()),
                 /* activityLaunchAllowedByDefault= */ true,
                 /* activityPolicyExemptions= */ Collections.singleton(blockedComponent),
@@ -795,6 +800,7 @@
         return new GenericWindowPolicyController(
                 0,
                 0,
+                AttributionSource.myAttributionSource(),
                 /* allowedUsers= */ new ArraySet<>(getCurrentUserId()),
                 /* activityLaunchAllowedByDefault= */ false,
                 /* activityPolicyExemptions= */ Collections.singleton(allowedComponent),
@@ -816,6 +822,7 @@
         return new GenericWindowPolicyController(
                 0,
                 0,
+                AttributionSource.myAttributionSource(),
                 /* allowedUsers= */ new ArraySet<>(getCurrentUserId()),
                 /* activityLaunchAllowedByDefault= */ true,
                 /* activityPolicyExemptions= */ new ArraySet<>(),
@@ -837,6 +844,7 @@
         return new GenericWindowPolicyController(
                 0,
                 0,
+                AttributionSource.myAttributionSource(),
                 /* allowedUsers= */ new ArraySet<>(getCurrentUserId()),
                 /* activityLaunchAllowedByDefault= */ true,
                 /* activityPolicyExemptions= */ new ArraySet<>(),
@@ -858,6 +866,7 @@
         return new GenericWindowPolicyController(
                 0,
                 0,
+                AttributionSource.myAttributionSource(),
                 /* allowedUsers= */ new ArraySet<>(getCurrentUserId()),
                 /* activityLaunchAllowedByDefault= */ true,
                 /* activityPolicyExemptions= */ new ArraySet<>(),
@@ -880,6 +889,7 @@
         return new GenericWindowPolicyController(
                 0,
                 0,
+                AttributionSource.myAttributionSource(),
                 /* allowedUsers= */ new ArraySet<>(getCurrentUserId()),
                 /* activityLaunchAllowedByDefault= */ true,
                 /* activityPolicyExemptions= */ new ArraySet<>(),
diff --git a/services/tests/servicestests/src/com/android/server/companion/virtual/InputControllerTest.java b/services/tests/servicestests/src/com/android/server/companion/virtual/InputControllerTest.java
index 07e6ab2..fd880dd 100644
--- a/services/tests/servicestests/src/com/android/server/companion/virtual/InputControllerTest.java
+++ b/services/tests/servicestests/src/com/android/server/companion/virtual/InputControllerTest.java
@@ -25,6 +25,7 @@
 import static org.mockito.Mockito.doAnswer;
 import static org.mockito.Mockito.verify;
 
+import android.content.AttributionSource;
 import android.hardware.display.DisplayManagerInternal;
 import android.hardware.input.IInputManager;
 import android.hardware.input.InputManagerGlobal;
@@ -95,6 +96,7 @@
         mInputController = new InputController(mNativeWrapperMock,
                 new Handler(TestableLooper.get(this).getLooper()),
                 InstrumentationRegistry.getTargetContext().getSystemService(WindowManager.class),
+                AttributionSource.myAttributionSource(),
                 threadVerifier);
     }
 
diff --git a/services/tests/servicestests/src/com/android/server/companion/virtual/SensorControllerTest.java b/services/tests/servicestests/src/com/android/server/companion/virtual/SensorControllerTest.java
index faece4f..67fc564 100644
--- a/services/tests/servicestests/src/com/android/server/companion/virtual/SensorControllerTest.java
+++ b/services/tests/servicestests/src/com/android/server/companion/virtual/SensorControllerTest.java
@@ -32,6 +32,7 @@
 import android.companion.virtual.sensor.VirtualSensor;
 import android.companion.virtual.sensor.VirtualSensorConfig;
 import android.companion.virtual.sensor.VirtualSensorEvent;
+import android.content.AttributionSource;
 import android.hardware.Sensor;
 import android.os.Binder;
 import android.os.IBinder;
@@ -96,6 +97,7 @@
         Throwable thrown = assertThrows(
                 RuntimeException.class,
                 () -> new SensorController(mVirtualDevice, VIRTUAL_DEVICE_ID,
+                        AttributionSource.myAttributionSource(),
                         mVirtualSensorCallback, List.of(mVirtualSensorConfig)));
 
         assertThat(thrown.getCause().getMessage())
@@ -168,6 +170,7 @@
         doReturn(VIRTUAL_DEVICE_ID).when(mVirtualDevice).getDeviceId();
 
         SensorController sensorController = new SensorController(mVirtualDevice, VIRTUAL_DEVICE_ID,
+                AttributionSource.myAttributionSource(),
                 mVirtualSensorCallback, List.of(mVirtualSensorConfig));
 
         List<VirtualSensor> sensors = sensorController.getSensorList();
diff --git a/services/tests/servicestests/src/com/android/server/companion/virtual/VirtualDeviceManagerServiceTest.java b/services/tests/servicestests/src/com/android/server/companion/virtual/VirtualDeviceManagerServiceTest.java
index 157e893..5e0806d 100644
--- a/services/tests/servicestests/src/com/android/server/companion/virtual/VirtualDeviceManagerServiceTest.java
+++ b/services/tests/servicestests/src/com/android/server/companion/virtual/VirtualDeviceManagerServiceTest.java
@@ -389,7 +389,8 @@
         final InputController.DeviceCreationThreadVerifier threadVerifier = () -> true;
         mInputController = new InputController(mNativeWrapperMock,
                 new Handler(TestableLooper.get(this).getLooper()),
-                mContext.getSystemService(WindowManager.class), threadVerifier);
+                mContext.getSystemService(WindowManager.class),
+                AttributionSource.myAttributionSource(), threadVerifier);
         mCameraAccessController =
                 new CameraAccessController(mContext, mLocalService, mCameraAccessBlockedCallback);
 
diff --git a/services/tests/servicestests/src/com/android/server/companion/virtual/audio/VirtualAudioControllerTest.java b/services/tests/servicestests/src/com/android/server/companion/virtual/audio/VirtualAudioControllerTest.java
index ef5270e..52f28b9 100644
--- a/services/tests/servicestests/src/com/android/server/companion/virtual/audio/VirtualAudioControllerTest.java
+++ b/services/tests/servicestests/src/com/android/server/companion/virtual/audio/VirtualAudioControllerTest.java
@@ -27,6 +27,7 @@
 
 import android.companion.virtual.audio.IAudioConfigChangedCallback;
 import android.companion.virtual.audio.IAudioRoutingCallback;
+import android.content.AttributionSource;
 import android.content.Context;
 import android.content.ContextWrapper;
 import android.media.AudioPlaybackConfiguration;
@@ -72,11 +73,13 @@
     public void setUp() {
         MockitoAnnotations.initMocks(this);
         mContext = Mockito.spy(new ContextWrapper(InstrumentationRegistry.getTargetContext()));
-        mVirtualAudioController = new VirtualAudioController(mContext);
+        mVirtualAudioController = new VirtualAudioController(mContext,
+                AttributionSource.myAttributionSource());
         mGenericWindowPolicyController =
                 new GenericWindowPolicyController(
                         FLAG_SECURE,
                         SYSTEM_FLAG_HIDE_NON_SYSTEM_OVERLAY_WINDOWS,
+                        AttributionSource.myAttributionSource(),
                         /* allowedUsers= */ new ArraySet<>(),
                         /* activityLaunchAllowedByDefault= */ true,
                         /* activityPolicyExemptions= */ new ArraySet<>(),
diff --git a/services/tests/servicestests/src/com/android/server/companion/virtual/camera/VirtualCameraControllerTest.java b/services/tests/servicestests/src/com/android/server/companion/virtual/camera/VirtualCameraControllerTest.java
index 81981e6..9ca1df0 100644
--- a/services/tests/servicestests/src/com/android/server/companion/virtual/camera/VirtualCameraControllerTest.java
+++ b/services/tests/servicestests/src/com/android/server/companion/virtual/camera/VirtualCameraControllerTest.java
@@ -37,6 +37,7 @@
 import android.companion.virtual.camera.VirtualCameraConfig;
 import android.companion.virtualcamera.IVirtualCameraService;
 import android.companion.virtualcamera.VirtualCameraConfiguration;
+import android.content.AttributionSource;
 import android.os.Handler;
 import android.os.HandlerExecutor;
 import android.os.Looper;
@@ -104,7 +105,7 @@
     public void registerCamera_registersCamera(int lensFacing) throws Exception {
         mVirtualCameraController.registerCamera(createVirtualCameraConfig(
                 CAMERA_WIDTH_1, CAMERA_HEIGHT_1, CAMERA_FORMAT_1, CAMERA_MAX_FPS_1, CAMERA_NAME_1,
-                CAMERA_SENSOR_ORIENTATION_1, lensFacing));
+                CAMERA_SENSOR_ORIENTATION_1, lensFacing), AttributionSource.myAttributionSource());
 
         ArgumentCaptor<VirtualCameraConfiguration> configurationCaptor =
                 ArgumentCaptor.forClass(VirtualCameraConfiguration.class);
@@ -121,7 +122,7 @@
         VirtualCameraConfig config = createVirtualCameraConfig(
                 CAMERA_WIDTH_1, CAMERA_HEIGHT_1, CAMERA_FORMAT_1, CAMERA_MAX_FPS_1, CAMERA_NAME_1,
                 CAMERA_SENSOR_ORIENTATION_1, CAMERA_LENS_FACING_1);
-        mVirtualCameraController.registerCamera(config);
+        mVirtualCameraController.registerCamera(config, AttributionSource.myAttributionSource());
 
         mVirtualCameraController.unregisterCamera(config);
 
@@ -131,11 +132,15 @@
     @Test
     public void close_unregistersAllCameras() throws Exception {
         mVirtualCameraController.registerCamera(createVirtualCameraConfig(
-                CAMERA_WIDTH_1, CAMERA_HEIGHT_1, CAMERA_FORMAT_1, CAMERA_MAX_FPS_1, CAMERA_NAME_1,
-                CAMERA_SENSOR_ORIENTATION_1, CAMERA_LENS_FACING_1));
+                        CAMERA_WIDTH_1, CAMERA_HEIGHT_1, CAMERA_FORMAT_1, CAMERA_MAX_FPS_1,
+                        CAMERA_NAME_1,
+                        CAMERA_SENSOR_ORIENTATION_1, CAMERA_LENS_FACING_1),
+                AttributionSource.myAttributionSource());
         mVirtualCameraController.registerCamera(createVirtualCameraConfig(
-                CAMERA_WIDTH_2, CAMERA_HEIGHT_2, CAMERA_FORMAT_2, CAMERA_MAX_FPS_2, CAMERA_NAME_2,
-                CAMERA_SENSOR_ORIENTATION_2, CAMERA_LENS_FACING_2));
+                        CAMERA_WIDTH_2, CAMERA_HEIGHT_2, CAMERA_FORMAT_2, CAMERA_MAX_FPS_2,
+                        CAMERA_NAME_2,
+                        CAMERA_SENSOR_ORIENTATION_2, CAMERA_LENS_FACING_2),
+                AttributionSource.myAttributionSource());
 
         mVirtualCameraController.close();
 
@@ -160,11 +165,12 @@
             int lensFacing) {
         mVirtualCameraController.registerCamera(createVirtualCameraConfig(
                 CAMERA_WIDTH_1, CAMERA_HEIGHT_1, CAMERA_FORMAT_1, CAMERA_MAX_FPS_1, CAMERA_NAME_1,
-                CAMERA_SENSOR_ORIENTATION_1, lensFacing));
+                CAMERA_SENSOR_ORIENTATION_1, lensFacing), AttributionSource.myAttributionSource());
         assertThrows(IllegalArgumentException.class,
                 () -> mVirtualCameraController.registerCamera(createVirtualCameraConfig(
-                        CAMERA_WIDTH_2, CAMERA_HEIGHT_2, CAMERA_FORMAT_2, CAMERA_MAX_FPS_2,
-                        CAMERA_NAME_2, CAMERA_SENSOR_ORIENTATION_2, lensFacing)));
+                                CAMERA_WIDTH_2, CAMERA_HEIGHT_2, CAMERA_FORMAT_2, CAMERA_MAX_FPS_2,
+                                CAMERA_NAME_2, CAMERA_SENSOR_ORIENTATION_2, lensFacing),
+                        AttributionSource.myAttributionSource()));
     }
 
     @Parameters(method = "getAllLensFacingDirections")
@@ -176,8 +182,9 @@
 
         assertThrows(IllegalArgumentException.class,
                 () -> mVirtualCameraController.registerCamera(createVirtualCameraConfig(
-                        CAMERA_WIDTH_1, CAMERA_HEIGHT_1, CAMERA_FORMAT_1, CAMERA_MAX_FPS_1,
-                        CAMERA_NAME_1, CAMERA_SENSOR_ORIENTATION_1, lensFacing)));
+                                CAMERA_WIDTH_1, CAMERA_HEIGHT_1, CAMERA_FORMAT_1, CAMERA_MAX_FPS_1,
+                                CAMERA_NAME_1, CAMERA_SENSOR_ORIENTATION_1, lensFacing),
+                        AttributionSource.myAttributionSource()));
     }
 
     private VirtualCameraConfig createVirtualCameraConfig(
@@ -203,7 +210,7 @@
     }
 
     private static Integer[] getAllLensFacingDirections() {
-        return new Integer[] {
+        return new Integer[]{
                 LENS_FACING_BACK,
                 LENS_FACING_FRONT
         };
diff --git a/services/tests/vibrator/src/com/android/server/vibrator/VibrationSettingsTest.java b/services/tests/vibrator/src/com/android/server/vibrator/VibrationSettingsTest.java
index f080341..f54c7e5 100644
--- a/services/tests/vibrator/src/com/android/server/vibrator/VibrationSettingsTest.java
+++ b/services/tests/vibrator/src/com/android/server/vibrator/VibrationSettingsTest.java
@@ -100,6 +100,8 @@
     @Rule
     public final CheckFlagsRule mCheckFlagsRule = DeviceFlagsValueProvider.createCheckFlagsRule();
 
+    private static final int OLD_USER_ID = 123;
+    private static final int NEW_USER_ID = 456;
     private static final int UID = 1;
     private static final int VIRTUAL_DEVICE_ID = 1;
     private static final String SYSUI_PACKAGE_NAME = "sysui";
@@ -211,10 +213,10 @@
         mVibrationSettings.addListener(mListenerMock);
 
         // Testing the broadcast flow manually.
-        mVibrationSettings.mSettingChangeReceiver.onReceive(mContextSpy,
-                new Intent(Intent.ACTION_USER_SWITCHED));
+        mVibrationSettings.mUserSwitchObserver.onUserSwitching(NEW_USER_ID);
+        mVibrationSettings.mUserSwitchObserver.onUserSwitchComplete(NEW_USER_ID);
 
-        verify(mListenerMock).onChange();
+        verify(mListenerMock, times(2)).onChange();
     }
 
     @Test
@@ -265,8 +267,7 @@
         // Trigger multiple observers manually.
         mVibrationSettings.mSettingObserver.onChange(false);
         mRegisteredPowerModeListener.onLowPowerModeChanged(LOW_POWER_STATE);
-        mVibrationSettings.mSettingChangeReceiver.onReceive(mContextSpy,
-                new Intent(Intent.ACTION_USER_SWITCHED));
+        mVibrationSettings.mUserSwitchObserver.onUserSwitchComplete(NEW_USER_ID);
         mVibrationSettings.mSettingChangeReceiver.onReceive(mContextSpy,
                 new Intent(AudioManager.INTERNAL_RINGER_MODE_CHANGED_ACTION));
 
@@ -834,13 +835,17 @@
         assertEquals(VIBRATION_INTENSITY_HIGH,
                 mVibrationSettings.getCurrentIntensity(USAGE_RINGTONE));
 
-        // Switching user is not working with FakeSettingsProvider.
-        // Testing the broadcast flow manually.
-        Settings.System.putIntForUser(mContextSpy.getContentResolver(),
-                Settings.System.RING_VIBRATION_INTENSITY, VIBRATION_INTENSITY_LOW,
+        // Test early update of settings based on new user id.
+        putUserSetting(Settings.System.RING_VIBRATION_INTENSITY, VIBRATION_INTENSITY_LOW,
+                NEW_USER_ID);
+        mVibrationSettings.mUserSwitchObserver.onUserSwitching(NEW_USER_ID);
+        assertEquals(VIBRATION_INTENSITY_LOW,
+                mVibrationSettings.getCurrentIntensity(USAGE_RINGTONE));
+
+        // Test later update of settings for UserHandle.USER_CURRENT.
+        putUserSetting(Settings.System.RING_VIBRATION_INTENSITY, VIBRATION_INTENSITY_LOW,
                 UserHandle.USER_CURRENT);
-        mVibrationSettings.mSettingChangeReceiver.onReceive(mContextSpy,
-                new Intent(Intent.ACTION_USER_SWITCHED));
+        mVibrationSettings.mUserSwitchObserver.onUserSwitchComplete(NEW_USER_ID);
         assertEquals(VIBRATION_INTENSITY_LOW,
                 mVibrationSettings.getCurrentIntensity(USAGE_RINGTONE));
     }
@@ -956,12 +961,16 @@
     }
 
     private void setUserSetting(String settingName, int value) {
-        Settings.System.putIntForUser(
-                mContextSpy.getContentResolver(), settingName, value, UserHandle.USER_CURRENT);
+        putUserSetting(settingName, value, UserHandle.USER_CURRENT);
         // FakeSettingsProvider doesn't support testing triggering ContentObserver yet.
         mVibrationSettings.mSettingObserver.onChange(false);
     }
 
+    private void putUserSetting(String settingName, int value, int userHandle) {
+        Settings.System.putIntForUser(
+                mContextSpy.getContentResolver(), settingName, value, userHandle);
+    }
+
     private void setRingerMode(int ringerMode) {
         when(mAudioManagerMock.getRingerModeInternal()).thenReturn(ringerMode);
         // Mock AudioManager broadcast of internal ringer mode change.
diff --git a/services/tests/wmtests/src/com/android/server/wm/DisplayPolicyTests.java b/services/tests/wmtests/src/com/android/server/wm/DisplayPolicyTests.java
index 5d14334..5965fae 100644
--- a/services/tests/wmtests/src/com/android/server/wm/DisplayPolicyTests.java
+++ b/services/tests/wmtests/src/com/android/server/wm/DisplayPolicyTests.java
@@ -39,6 +39,7 @@
 import static android.view.WindowManager.LayoutParams.TYPE_BASE_APPLICATION;
 import static android.view.WindowManager.LayoutParams.TYPE_INPUT_METHOD;
 
+import static com.android.dx.mockito.inline.extended.ExtendedMockito.spyOn;
 import static com.android.server.policy.WindowManagerPolicy.NAV_BAR_BOTTOM;
 
 import static org.junit.Assert.assertEquals;
@@ -388,6 +389,24 @@
         // The current insets are restored from cache directly.
         assertEquals(prevConfigFrame, displayPolicy.getDecorInsetsInfo(info.rotation,
                 info.logicalWidth, info.logicalHeight).mConfigFrame);
+
+        // If screen is not fully turned on, then the cache should be preserved.
+        displayPolicy.screenTurnedOff();
+        final TransitionController transitionController = mDisplayContent.mTransitionController;
+        spyOn(transitionController);
+        doReturn(true).when(transitionController).isCollecting();
+        doReturn(Integer.MAX_VALUE).when(transitionController).getCollectingTransitionId();
+        // Make CachedDecorInsets.canPreserve return false.
+        displayPolicy.physicalDisplayUpdated();
+        assertFalse(displayPolicy.shouldKeepCurrentDecorInsets());
+        displayPolicy.getDecorInsetsInfo(info.rotation, info.logicalWidth, info.logicalHeight)
+                .mConfigFrame.offset(1, 1);
+        // Even if CachedDecorInsets.canPreserve returns false, the cache won't be cleared.
+        displayPolicy.updateDecorInsetsInfo();
+        // Successful to restore from cache.
+        displayPolicy.updateCachedDecorInsets();
+        assertEquals(prevConfigFrame, displayPolicy.getDecorInsetsInfo(info.rotation,
+                info.logicalWidth, info.logicalHeight).mConfigFrame);
     }
 
     @Test
diff --git a/services/tests/wmtests/src/com/android/server/wm/SizeCompatTests.java b/services/tests/wmtests/src/com/android/server/wm/SizeCompatTests.java
index f42cdb8..b96f39d 100644
--- a/services/tests/wmtests/src/com/android/server/wm/SizeCompatTests.java
+++ b/services/tests/wmtests/src/com/android/server/wm/SizeCompatTests.java
@@ -22,6 +22,7 @@
 import static android.app.WindowConfiguration.WINDOWING_MODE_FULLSCREEN;
 import static android.app.WindowConfiguration.WINDOWING_MODE_MULTI_WINDOW;
 import static android.app.WindowConfiguration.WINDOWING_MODE_PINNED;
+import static android.content.pm.ActivityInfo.OVERRIDE_MIN_ASPECT_RATIO_LARGE_VALUE;
 import static android.content.pm.ActivityInfo.RESIZE_MODE_RESIZEABLE;
 import static android.content.pm.ActivityInfo.RESIZE_MODE_UNRESIZEABLE;
 import static android.content.pm.ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE;
@@ -46,6 +47,7 @@
 import static android.view.WindowManager.LayoutParams.FLAG_SHOW_WALLPAPER;
 import static android.view.WindowManager.LayoutParams.TYPE_APPLICATION_STARTING;
 import static android.view.WindowManager.LayoutParams.TYPE_BASE_APPLICATION;
+import static android.view.WindowManager.LayoutParams.TYPE_NAVIGATION_BAR;
 import static android.view.WindowManager.LayoutParams.TYPE_STATUS_BAR;
 
 import static com.android.dx.mockito.inline.extended.ExtendedMockito.doNothing;
@@ -100,6 +102,7 @@
 import android.content.pm.IPackageManager;
 import android.content.pm.PackageManager;
 import android.content.res.Configuration;
+import android.graphics.Insets;
 import android.graphics.Rect;
 import android.os.Binder;
 import android.os.RemoteException;
@@ -153,6 +156,8 @@
     private static final String CONFIG_NEVER_CONSTRAIN_DISPLAY_APIS_ALL_PACKAGES =
             "never_constrain_display_apis_all_packages";
 
+    private static final float DELTA_ASPECT_RATIO_TOLERANCE = 0.005f;
+
     @Rule
     public TestRule compatChangeRule = new PlatformCompatChangeRule();
 
@@ -211,90 +216,46 @@
 
     @Test
     public void testHorizontalReachabilityEnabledForTranslucentActivities() {
-        setUpDisplaySizeWithApp(2500, 1000);
-        mActivity.mDisplayContent.setIgnoreOrientationRequest(true /* ignoreOrientationRequest */);
-        final LetterboxConfiguration config = mWm.mLetterboxConfiguration;
-        config.setTranslucentLetterboxingOverrideEnabled(true);
-        config.setLetterboxHorizontalPositionMultiplier(0.5f);
-        config.setIsHorizontalReachabilityEnabled(true);
+        testReachabilityEnabledForTranslucentActivity(/* dw */ 2500,  /* dh */1000,
+                SCREEN_ORIENTATION_PORTRAIT, /* minAspectRatio */ 0f,
+                /* horizontalReachability */ true);
+    }
 
-        // Opaque activity
-        prepareUnresizable(mActivity, SCREEN_ORIENTATION_PORTRAIT);
-        addWindowToActivity(mActivity);
-        mActivity.mRootWindowContainer.performSurfacePlacement();
-
-        // Translucent Activity
-        final ActivityRecord translucentActivity = new ActivityBuilder(mAtm)
-                .setActivityTheme(android.R.style.Theme_Translucent)
-                .setLaunchedFromUid(mActivity.getUid())
-                .setScreenOrientation(SCREEN_ORIENTATION_PORTRAIT)
-                .build();
-        mTask.addChild(translucentActivity);
-
-        spyOn(translucentActivity.mLetterboxUiController);
-        doReturn(true).when(translucentActivity.mLetterboxUiController)
-                .shouldShowLetterboxUi(any());
-
-        addWindowToActivity(translucentActivity);
-        translucentActivity.mRootWindowContainer.performSurfacePlacement();
-
-        final Function<ActivityRecord, Rect> innerBoundsOf =
-                (ActivityRecord a) -> {
-                    final Rect bounds = new Rect();
-                    a.mLetterboxUiController.getLetterboxInnerBounds(bounds);
-                    return bounds;
-                };
-        final Runnable checkLetterboxPositions = () -> assertEquals(innerBoundsOf.apply(mActivity),
-                innerBoundsOf.apply(translucentActivity));
-        final Runnable checkIsLeft = () -> assertThat(
-                innerBoundsOf.apply(translucentActivity).left).isEqualTo(0);
-        final Runnable checkIsRight = () -> assertThat(
-                innerBoundsOf.apply(translucentActivity).right).isEqualTo(2500);
-        final Runnable checkIsCentered = () -> assertThat(
-                innerBoundsOf.apply(translucentActivity).left > 0
-                        && innerBoundsOf.apply(translucentActivity).right < 2500).isTrue();
-
-        final Consumer<Integer> doubleClick =
-                (Integer x) -> {
-                    mActivity.mLetterboxUiController.handleHorizontalDoubleTap(x);
-                    mActivity.mRootWindowContainer.performSurfacePlacement();
-                };
-
-        // Initial state
-        checkIsCentered.run();
-
-        // Double-click left
-        doubleClick.accept(/* x */ 10);
-        checkLetterboxPositions.run();
-        checkIsLeft.run();
-
-        // Double-click right
-        doubleClick.accept(/* x */ 1990);
-        checkLetterboxPositions.run();
-        checkIsCentered.run();
-
-        // Double-click right
-        doubleClick.accept(/* x */ 1990);
-        checkLetterboxPositions.run();
-        checkIsRight.run();
-
-        // Double-click left
-        doubleClick.accept(/* x */ 10);
-        checkLetterboxPositions.run();
-        checkIsCentered.run();
+    @Test
+    public void testHorizontalReachabilityEnabled_TranslucentPortraitActivities_portraitDisplay() {
+        testReachabilityEnabledForTranslucentActivity(/* dw */ 1400,  /* dh */1600,
+                SCREEN_ORIENTATION_PORTRAIT, OVERRIDE_MIN_ASPECT_RATIO_LARGE_VALUE,
+                /* horizontalReachability */ true);
     }
 
     @Test
     public void testVerticalReachabilityEnabledForTranslucentActivities() {
-        setUpDisplaySizeWithApp(1000, 2500);
+        testReachabilityEnabledForTranslucentActivity(/* dw */ 1000,  /* dh */2500,
+                SCREEN_ORIENTATION_LANDSCAPE, /* minAspectRatio */ 0f,
+                /* horizontalReachability */ false);
+    }
+
+    @Test
+    public void testVerticalReachabilityEnabled_TranslucentLandscapeActivities_landscapeDisplay() {
+        testReachabilityEnabledForTranslucentActivity(/* dw */ 1600,  /* dh */1400,
+                SCREEN_ORIENTATION_LANDSCAPE, OVERRIDE_MIN_ASPECT_RATIO_LARGE_VALUE,
+                /* horizontalReachability */ false);
+    }
+
+    private void testReachabilityEnabledForTranslucentActivity(int displayWidth, int displayHeight,
+            @ScreenOrientation int screenOrientation, float minAspectRatio,
+            boolean horizontalReachability) {
+        setUpDisplaySizeWithApp(displayWidth, displayHeight);
         mActivity.mDisplayContent.setIgnoreOrientationRequest(true /* ignoreOrientationRequest */);
         final LetterboxConfiguration config = mWm.mLetterboxConfiguration;
         config.setTranslucentLetterboxingOverrideEnabled(true);
         config.setLetterboxVerticalPositionMultiplier(0.5f);
         config.setIsVerticalReachabilityEnabled(true);
+        config.setLetterboxHorizontalPositionMultiplier(0.5f);
+        config.setIsHorizontalReachabilityEnabled(true);
 
         // Opaque activity
-        prepareUnresizable(mActivity, SCREEN_ORIENTATION_LANDSCAPE);
+        prepareMinAspectRatio(mActivity, minAspectRatio, screenOrientation);
         addWindowToActivity(mActivity);
         mActivity.mRootWindowContainer.performSurfacePlacement();
 
@@ -302,7 +263,7 @@
         final ActivityRecord translucentActivity = new ActivityBuilder(mAtm)
                 .setActivityTheme(android.R.style.Theme_Translucent)
                 .setLaunchedFromUid(mActivity.getUid())
-                .setScreenOrientation(SCREEN_ORIENTATION_LANDSCAPE)
+                .setScreenOrientation(screenOrientation)
                 .build();
         mTask.addChild(translucentActivity);
 
@@ -324,39 +285,78 @@
         final Runnable checkIsTop = () -> assertThat(
                 innerBoundsOf.apply(translucentActivity).top).isEqualTo(0);
         final Runnable checkIsBottom = () -> assertThat(
-                innerBoundsOf.apply(translucentActivity).bottom).isEqualTo(2500);
-        final Runnable checkIsCentered = () -> assertThat(
+                innerBoundsOf.apply(translucentActivity).bottom).isEqualTo(displayHeight);
+        final Runnable checkIsLeft = () -> assertThat(
+                innerBoundsOf.apply(translucentActivity).left).isEqualTo(0);
+        final Runnable checkIsRight = () -> assertThat(
+                innerBoundsOf.apply(translucentActivity).right).isEqualTo(displayWidth);
+        final Runnable checkIsHorizontallyCentered = () -> assertThat(
+                innerBoundsOf.apply(translucentActivity).left > 0
+                        && innerBoundsOf.apply(translucentActivity).right < displayWidth).isTrue();
+        final Runnable checkIsVerticallyCentered = () -> assertThat(
                 innerBoundsOf.apply(translucentActivity).top > 0
-                        && innerBoundsOf.apply(translucentActivity).bottom < 2500).isTrue();
+                        && innerBoundsOf.apply(translucentActivity).bottom < displayHeight)
+                .isTrue();
 
-        final Consumer<Integer> doubleClick =
-                (Integer y) -> {
-                    mActivity.mLetterboxUiController.handleVerticalDoubleTap(y);
-                    mActivity.mRootWindowContainer.performSurfacePlacement();
-                };
+        if (horizontalReachability) {
+            final Consumer<Integer> doubleClick =
+                    (Integer x) -> {
+                        mActivity.mLetterboxUiController.handleHorizontalDoubleTap(x);
+                        mActivity.mRootWindowContainer.performSurfacePlacement();
+                    };
 
-        // Initial state
-        checkIsCentered.run();
+            // Initial state
+            checkIsHorizontallyCentered.run();
 
-        // Double-click top
-        doubleClick.accept(/* y */ 10);
-        checkLetterboxPositions.run();
-        checkIsTop.run();
+            // Double-click left
+            doubleClick.accept(/* x */ 10);
+            checkLetterboxPositions.run();
+            checkIsLeft.run();
 
-        // Double-click bottom
-        doubleClick.accept(/* y */ 1990);
-        checkLetterboxPositions.run();
-        checkIsCentered.run();
+            // Double-click right
+            doubleClick.accept(/* x */ displayWidth - 100);
+            checkLetterboxPositions.run();
+            checkIsHorizontallyCentered.run();
 
-        // Double-click bottom
-        doubleClick.accept(/* y */ 1990);
-        checkLetterboxPositions.run();
-        checkIsBottom.run();
+            // Double-click right
+            doubleClick.accept(/* x */ displayWidth - 100);
+            checkLetterboxPositions.run();
+            checkIsRight.run();
 
-        // Double-click top
-        doubleClick.accept(/* y */ 10);
-        checkLetterboxPositions.run();
-        checkIsCentered.run();
+            // Double-click left
+            doubleClick.accept(/* x */ 10);
+            checkLetterboxPositions.run();
+            checkIsHorizontallyCentered.run();
+        } else {
+            final Consumer<Integer> doubleClick =
+                    (Integer y) -> {
+                        mActivity.mLetterboxUiController.handleVerticalDoubleTap(y);
+                        mActivity.mRootWindowContainer.performSurfacePlacement();
+                    };
+
+            // Initial state
+            checkIsVerticallyCentered.run();
+
+            // Double-click top
+            doubleClick.accept(/* y */ 10);
+            checkLetterboxPositions.run();
+            checkIsTop.run();
+
+            // Double-click bottom
+            doubleClick.accept(/* y */ displayHeight - 100);
+            checkLetterboxPositions.run();
+            checkIsVerticallyCentered.run();
+
+            // Double-click bottom
+            doubleClick.accept(/* y */ displayHeight - 100);
+            checkLetterboxPositions.run();
+            checkIsBottom.run();
+
+            // Double-click top
+            doubleClick.accept(/* y */ 10);
+            checkLetterboxPositions.run();
+            checkIsVerticallyCentered.run();
+        }
     }
 
     @Test
@@ -2143,7 +2143,7 @@
         final Rect afterBounds = mActivity.getBounds();
         final float actualAspectRatio = 1f * afterBounds.height() / afterBounds.width();
         assertEquals(LetterboxConfiguration.DEFAULT_LETTERBOX_ASPECT_RATIO_FOR_MULTI_WINDOW,
-                actualAspectRatio, 0.001f);
+                actualAspectRatio, DELTA_ASPECT_RATIO_TOLERANCE);
         assertTrue(mActivity.areBoundsLetterboxed());
     }
 
@@ -2179,7 +2179,7 @@
         // default letterbox aspect ratio for multi-window.
         final Rect afterBounds = mActivity.getBounds();
         final float actualAspectRatio = 1f * afterBounds.height() / afterBounds.width();
-        assertEquals(minAspectRatio, actualAspectRatio, 0.001f);
+        assertEquals(minAspectRatio, actualAspectRatio, DELTA_ASPECT_RATIO_TOLERANCE);
         assertTrue(mActivity.areBoundsLetterboxed());
     }
 
@@ -2487,7 +2487,7 @@
         final float afterAspectRatio =
                 (float) Math.max(width, height) / (float) Math.min(width, height);
 
-        assertEquals(expectedAspectRatio, afterAspectRatio, 0.001f);
+        assertEquals(expectedAspectRatio, afterAspectRatio, DELTA_ASPECT_RATIO_TOLERANCE);
     }
 
     @Test
@@ -2512,7 +2512,7 @@
         float expectedAspectRatio = 1f * displayWidth / getExpectedSplitSize(displayHeight);
         final Rect afterBounds = activity.getBounds();
         final float afterAspectRatio = (float) (afterBounds.height()) / afterBounds.width();
-        assertEquals(expectedAspectRatio, afterAspectRatio, 0.001f);
+        assertEquals(expectedAspectRatio, afterAspectRatio, DELTA_ASPECT_RATIO_TOLERANCE);
     }
 
     @Test
@@ -2537,7 +2537,7 @@
         float expectedAspectRatio = 1f * displayHeight / getExpectedSplitSize(displayWidth);
         final Rect afterBounds = activity.getBounds();
         final float afterAspectRatio = (float) (afterBounds.height()) / afterBounds.width();
-        assertEquals(expectedAspectRatio, afterAspectRatio, 0.001f);
+        assertEquals(expectedAspectRatio, afterAspectRatio, DELTA_ASPECT_RATIO_TOLERANCE);
     }
 
     @Test
@@ -2563,7 +2563,7 @@
         float expectedAspectRatio = 1f * displayWidth / getExpectedSplitSize(displayHeight);
         final Rect afterBounds = activity.getBounds();
         final float afterAspectRatio = (float) (afterBounds.width()) / afterBounds.height();
-        assertEquals(expectedAspectRatio, afterAspectRatio, 0.001f);
+        assertEquals(expectedAspectRatio, afterAspectRatio, DELTA_ASPECT_RATIO_TOLERANCE);
     }
 
     @Test
@@ -2589,7 +2589,7 @@
         float expectedAspectRatio = 1f * displayHeight / getExpectedSplitSize(displayWidth);
         final Rect afterBounds = activity.getBounds();
         final float afterAspectRatio = (float) (afterBounds.width()) / afterBounds.height();
-        assertEquals(expectedAspectRatio, afterAspectRatio, 0.001f);
+        assertEquals(expectedAspectRatio, afterAspectRatio, DELTA_ASPECT_RATIO_TOLERANCE);
     }
 
     @Test
@@ -2629,7 +2629,7 @@
         float expectedAspectRatio = 1f * screenHeight / getExpectedSplitSize(screenWidth);
         final Rect afterBounds = activity.getBounds();
         final float afterAspectRatio = (float) (afterBounds.height()) / afterBounds.width();
-        assertEquals(expectedAspectRatio, afterAspectRatio, 0.001f);
+        assertEquals(expectedAspectRatio, afterAspectRatio, DELTA_ASPECT_RATIO_TOLERANCE);
         assertFalse(activity.areBoundsLetterboxed());
     }
 
@@ -2670,7 +2670,7 @@
         float expectedAspectRatio = 1f * screenWidth / getExpectedSplitSize(screenHeight);
         final Rect afterBounds = activity.getBounds();
         final float afterAspectRatio = (float) (afterBounds.width()) / afterBounds.height();
-        assertEquals(expectedAspectRatio, afterAspectRatio, 0.001f);
+        assertEquals(expectedAspectRatio, afterAspectRatio, DELTA_ASPECT_RATIO_TOLERANCE);
         assertFalse(activity.areBoundsLetterboxed());
     }
 
@@ -2847,9 +2847,8 @@
         assertFitted();
         // Check that the display aspect ratio is used by the app.
         final float targetMinAspectRatio = 1f * displayHeight / displayWidth;
-        final float delta = 0.01f;
         assertEquals(targetMinAspectRatio, ActivityRecord
-                .computeAspectRatio(mActivity.getBounds()), delta);
+                .computeAspectRatio(mActivity.getBounds()), DELTA_ASPECT_RATIO_TOLERANCE);
     }
 
     @Test
@@ -2883,9 +2882,8 @@
         assertFitted();
         // Check that the display aspect ratio is used by the app.
         final float targetMinAspectRatio = 1f * displayWidth / displayHeight;
-        final float delta = 0.01f;
         assertEquals(targetMinAspectRatio, ActivityRecord
-                .computeAspectRatio(mActivity.getBounds()), delta);
+                .computeAspectRatio(mActivity.getBounds()), DELTA_ASPECT_RATIO_TOLERANCE);
     }
 
     @Test
@@ -2910,9 +2908,8 @@
         assertFitted();
         // Check that the display aspect ratio is used by the app.
         final float targetMinAspectRatio = 1f * displayHeight / displayWidth;
-        final float delta = 0.01f;
         assertEquals(targetMinAspectRatio, ActivityRecord
-                .computeAspectRatio(mActivity.getBounds()), delta);
+                .computeAspectRatio(mActivity.getBounds()), DELTA_ASPECT_RATIO_TOLERANCE);
     }
 
     @Test
@@ -2937,9 +2934,8 @@
         assertFitted();
         // Check that the display aspect ratio is used by the app.
         final float targetMinAspectRatio = 1f * displayWidth / displayHeight;
-        final float delta = 0.01f;
         assertEquals(targetMinAspectRatio, ActivityRecord
-                .computeAspectRatio(mActivity.getBounds()), delta);
+                .computeAspectRatio(mActivity.getBounds()), DELTA_ASPECT_RATIO_TOLERANCE);
     }
 
     @Test
@@ -3609,6 +3605,32 @@
     }
 
     @Test
+    public void testIsHorizontalReachabilityEnabled_portraitDisplayAndApp_true() {
+        // Portrait display
+        setUpDisplaySizeWithApp(1400, 1600);
+        mActivity.mWmService.mLetterboxConfiguration.setIsHorizontalReachabilityEnabled(true);
+
+        // 16:9f unresizable portrait app
+        prepareMinAspectRatio(mActivity, OVERRIDE_MIN_ASPECT_RATIO_LARGE_VALUE,
+                SCREEN_ORIENTATION_PORTRAIT);
+
+        assertTrue(mActivity.mLetterboxUiController.isHorizontalReachabilityEnabled());
+    }
+
+    @Test
+    public void testIsVerticalReachabilityEnabled_landscapeDisplayAndApp_true() {
+        // Landscape display
+        setUpDisplaySizeWithApp(1600, 1500);
+        mActivity.mWmService.mLetterboxConfiguration.setIsVerticalReachabilityEnabled(true);
+
+        // 16:9f unresizable landscape app
+        prepareMinAspectRatio(mActivity, OVERRIDE_MIN_ASPECT_RATIO_LARGE_VALUE,
+                SCREEN_ORIENTATION_LANDSCAPE);
+
+        assertTrue(mActivity.mLetterboxUiController.isVerticalReachabilityEnabled());
+    }
+
+    @Test
     public void testIsHorizontalReachabilityEnabled_doesNotMatchParentHeight_false() {
         setUpDisplaySizeWithApp(2800, 1000);
         mActivity.mDisplayContent.setIgnoreOrientationRequest(true /* ignoreOrientationRequest */);
@@ -4053,6 +4075,32 @@
     }
 
     @Test
+    public void testPortraitCloseToSquareDisplayWithTaskbar_notLetterboxed() {
+        // Set up portrait close to square display
+        setUpDisplaySizeWithApp(2200, 2280);
+        final DisplayContent display = mActivity.mDisplayContent;
+        // Simulate taskbar, final app bounds are (0, 0, 2200, 2130) - landscape
+        final WindowState navbar = createWindow(null, TYPE_NAVIGATION_BAR, mDisplayContent,
+                "navbar");
+        final Binder owner = new Binder();
+        navbar.mAttrs.providedInsets = new InsetsFrameProvider[] {
+                new InsetsFrameProvider(owner, 0, WindowInsets.Type.navigationBars())
+                        .setInsetsSize(Insets.of(0, 0, 0, 150))
+        };
+        display.getDisplayPolicy().addWindowLw(navbar, navbar.mAttrs);
+        assertTrue(navbar.providesDisplayDecorInsets()
+                && display.getDisplayPolicy().updateDecorInsetsInfo());
+        display.sendNewConfiguration();
+
+        prepareUnresizable(mActivity, SCREEN_ORIENTATION_PORTRAIT);
+
+        // Activity is fullscreen even though orientation is not respected with insets, because
+        // the display still matches or is less than the activity aspect ratio
+        assertEquals(display.getBounds(), mActivity.getBounds());
+        assertFalse(mActivity.isLetterboxedForFixedOrientationAndAspectRatio());
+    }
+
+    @Test
     public void testApplyAspectRatio_activityAlignWithParentAppVertical() {
         // The display's app bounds will be (0, 100, 1000, 2350)
         final DisplayContent display = new TestDisplayContent.Builder(mAtm, 1000, 2500)
@@ -4275,7 +4323,7 @@
                 .getFixedOrientationLetterboxAspectRatio(parentConfig);
         float expected = mActivity.mLetterboxUiController.getSplitScreenAspectRatio();
 
-        assertEquals(expected, actual, 0.01);
+        assertEquals(expected, actual, DELTA_ASPECT_RATIO_TOLERANCE);
     }
 
     @Test
@@ -4671,13 +4719,12 @@
                 .windowConfiguration.getAppBounds());
 
         // Check that aspect ratio of app bounds is equal to the min aspect ratio.
-        final float delta = 0.01f;
         assertEquals(targetMinAspectRatio, ActivityRecord
-                .computeAspectRatio(fixedOrientationAppBounds), delta);
+                .computeAspectRatio(fixedOrientationAppBounds), DELTA_ASPECT_RATIO_TOLERANCE);
         assertEquals(targetMinAspectRatio, ActivityRecord
-                .computeAspectRatio(minAspectRatioAppBounds), delta);
+                .computeAspectRatio(minAspectRatioAppBounds), DELTA_ASPECT_RATIO_TOLERANCE);
         assertEquals(targetMinAspectRatio, ActivityRecord
-                .computeAspectRatio(sizeCompatAppBounds), delta);
+                .computeAspectRatio(sizeCompatAppBounds), DELTA_ASPECT_RATIO_TOLERANCE);
     }
 
     @Test
@@ -4859,6 +4906,12 @@
                 .build();
     }
 
+    static void prepareMinAspectRatio(ActivityRecord activity, float minAspect,
+            int screenOrientation) {
+        prepareLimitedBounds(activity, -1 /* maxAspect */, minAspect, screenOrientation,
+                true /* isUnresizable */);
+    }
+
     static void prepareUnresizable(ActivityRecord activity, int screenOrientation) {
         prepareUnresizable(activity, -1 /* maxAspect */, screenOrientation);
     }
@@ -4873,12 +4926,18 @@
         prepareLimitedBounds(activity, -1 /* maxAspect */, screenOrientation, isUnresizable);
     }
 
-    /**
-     * Setups {@link #mActivity} with restriction on its bounds, such as maxAspect, fixed
-     * orientation, and/or whether it is resizable.
-     */
     static void prepareLimitedBounds(ActivityRecord activity, float maxAspect,
             int screenOrientation, boolean isUnresizable) {
+        prepareLimitedBounds(activity, maxAspect, -1 /* minAspect */, screenOrientation,
+                isUnresizable);
+    }
+
+    /**
+     * Setups {@link #mActivity} with restriction on its bounds, such as maxAspect, minAspect,
+     * fixed orientation, and/or whether it is resizable.
+     */
+    static void prepareLimitedBounds(ActivityRecord activity, float maxAspect, float minAspect,
+            int screenOrientation, boolean isUnresizable) {
         activity.info.resizeMode = isUnresizable
                 ? RESIZE_MODE_UNRESIZEABLE
                 : RESIZE_MODE_RESIZEABLE;
@@ -4892,6 +4951,9 @@
         if (maxAspect >= 0) {
             activity.info.setMaxAspectRatio(maxAspect);
         }
+        if (minAspect >= 0) {
+            activity.info.setMinAspectRatio(minAspect);
+        }
         if (screenOrientation != SCREEN_ORIENTATION_UNSPECIFIED) {
             activity.info.screenOrientation = screenOrientation;
             activity.setRequestedOrientation(screenOrientation);
diff --git a/services/tests/wmtests/src/com/android/server/wm/TrustedOverlayTests.java b/services/tests/wmtests/src/com/android/server/wm/TrustedOverlayTests.java
index 6a15b05..f1d84cf 100644
--- a/services/tests/wmtests/src/com/android/server/wm/TrustedOverlayTests.java
+++ b/services/tests/wmtests/src/com/android/server/wm/TrustedOverlayTests.java
@@ -40,8 +40,10 @@
 import androidx.test.ext.junit.rules.ActivityScenarioRule;
 import androidx.test.platform.app.InstrumentationRegistry;
 
+import com.android.server.wm.utils.CommonUtils;
 import com.android.window.flags.Flags;
 
+import org.junit.After;
 import org.junit.Before;
 import org.junit.Rule;
 import org.junit.Test;
@@ -77,6 +79,11 @@
         });
     }
 
+    @After
+    public void tearDown() {
+        CommonUtils.waitUntilActivityRemoved(mActivity);
+    }
+
     @RequiresFlagsDisabled(Flags.FLAG_SURFACE_TRUSTED_OVERLAY)
     @Test
     public void setTrustedOverlayInputWindow() throws InterruptedException {
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 4da519c..c972e51 100644
--- a/services/tests/wmtests/src/com/android/server/wm/WindowManagerServiceTests.java
+++ b/services/tests/wmtests/src/com/android/server/wm/WindowManagerServiceTests.java
@@ -240,6 +240,22 @@
     }
 
     @Test
+    public void testTrackOverlayWindow() {
+        final WindowProcessController wpc = mSystemServicesTestRule.addProcess(
+                "pkgName", "processName", 1000 /* pid */, Process.SYSTEM_UID);
+        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);
+        verify(session).setHasOverlayUi(true);
+        session.onWindowSurfaceVisibilityChanged(winSurface, false /* visible */,
+                LayoutParams.TYPE_PHONE);
+        verify(session).setHasOverlayUi(false);
+    }
+
+    @Test
     public void testRelayoutExitingWindow() {
         final WindowState win = createWindow(null, TYPE_BASE_APPLICATION, "appWin");
         final WindowSurfaceController surfaceController = mock(WindowSurfaceController.class);
diff --git a/telephony/java/android/telephony/CarrierConfigManager.java b/telephony/java/android/telephony/CarrierConfigManager.java
index d99abe8..5d99acd 100644
--- a/telephony/java/android/telephony/CarrierConfigManager.java
+++ b/telephony/java/android/telephony/CarrierConfigManager.java
@@ -4803,12 +4803,51 @@
          */
         public static final String KEY_FCM_SENDER_ID_STRING = KEY_PREFIX + "fcm_sender_id_string";
 
+        /**
+         * Indicates the supported protocol version in the parameter entitlement_version.
+         * The default value is 2. The possible value is 2 and 8.
+         *
+         * Reference: GSMA TS.43-v8 section 2.5 Protocol version control and
+         * Table 3. GET Parameters for Entitlement Configuration in section 2.3
+         * HTTP GET method Parameters.
+         * @hide
+         */
+        public static final String KEY_ENTITLEMENT_VERSION_INT =
+                KEY_PREFIX + "entitlement_version_int";
+
+        /**
+         * Controls the service entitlement status when receiving the VERS characteristic
+         * with both version and validity set to -1 or -2.
+         * If {@code true}, default service entitlement status is enabled.
+         * If {@code false}, default service entitlement status is disabled.
+         *
+         * Reference: GSMA TS.14-v8 section 2.1, overview
+         * @hide
+         */
+        public static final String KEY_DEFAULT_SERVICE_ENTITLEMENT_STATUS_BOOL =
+                KEY_PREFIX + "default_service_entitlement_status_bool";
+
+        /**
+         * Indicates if UE can skip service entitlement check when the user turns on Wi-Fi Calling.
+         * UE still shows Wi-Fi Calling emergency address update web view when the user clicks
+         * "Update Emergency Address" on the WiFi calling setting.
+         *
+         * Note: this is effective only if the {@link #KEY_WFC_EMERGENCY_ADDRESS_CARRIER_APP_STRING}
+         * is set to this app.
+         * @hide
+         */
+        public static final String KEY_SKIP_WFC_ACTIVATION_BOOL =
+                KEY_PREFIX + "skip_wfc_activation_bool";
+
         private static PersistableBundle getDefaults() {
             PersistableBundle defaults = new PersistableBundle();
             defaults.putString(KEY_ENTITLEMENT_SERVER_URL_STRING, "");
             defaults.putString(KEY_FCM_SENDER_ID_STRING, "");
             defaults.putBoolean(KEY_SHOW_VOWIFI_WEBVIEW_BOOL, false);
             defaults.putBoolean(KEY_IMS_PROVISIONING_BOOL, false);
+            defaults.putBoolean(KEY_DEFAULT_SERVICE_ENTITLEMENT_STATUS_BOOL, false);
+            defaults.putBoolean(KEY_SKIP_WFC_ACTIVATION_BOOL, false);
+            defaults.putInt(KEY_ENTITLEMENT_VERSION_INT, 2);
             return defaults;
         }
     }
diff --git a/tests/BootImageProfileTest/AndroidTest.xml b/tests/BootImageProfileTest/AndroidTest.xml
index 7e97fa3..9b527dc 100644
--- a/tests/BootImageProfileTest/AndroidTest.xml
+++ b/tests/BootImageProfileTest/AndroidTest.xml
@@ -14,6 +14,7 @@
      limitations under the License.
 -->
 <configuration description="Config for BootImageProfileTest">
+    <target_preparer class="com.android.tradefed.targetprep.RootTargetPreparer" />
      <!-- do not use DeviceSetup#set-property because it reboots the device b/136200738.
          furthermore the changes in /data/local.prop don't actually seem to get picked up.
     -->
diff --git a/tests/InputScreenshotTest/assets/phone/light_landscape_layout-preview.png b/tests/InputScreenshotTest/assets/phone/light_landscape_layout-preview.png
index 70e4a71..443de8e 100644
--- a/tests/InputScreenshotTest/assets/phone/light_landscape_layout-preview.png
+++ b/tests/InputScreenshotTest/assets/phone/light_landscape_layout-preview.png
Binary files differ
diff --git a/tests/InputScreenshotTest/assets/phone/light_portrait_layout-preview-ansi.png b/tests/InputScreenshotTest/assets/phone/light_portrait_layout-preview-ansi.png
index 502c1b4..cb69c0e 100644
--- a/tests/InputScreenshotTest/assets/phone/light_portrait_layout-preview-ansi.png
+++ b/tests/InputScreenshotTest/assets/phone/light_portrait_layout-preview-ansi.png
Binary files differ
diff --git a/tests/InputScreenshotTest/assets/phone/light_portrait_layout-preview-jis.png b/tests/InputScreenshotTest/assets/phone/light_portrait_layout-preview-jis.png
index 591b2fa..1c6d1b3 100644
--- a/tests/InputScreenshotTest/assets/phone/light_portrait_layout-preview-jis.png
+++ b/tests/InputScreenshotTest/assets/phone/light_portrait_layout-preview-jis.png
Binary files differ
diff --git a/tests/InputScreenshotTest/assets/phone/light_portrait_layout-preview.png b/tests/InputScreenshotTest/assets/phone/light_portrait_layout-preview.png
index 0137a85..c51da05 100644
--- a/tests/InputScreenshotTest/assets/phone/light_portrait_layout-preview.png
+++ b/tests/InputScreenshotTest/assets/phone/light_portrait_layout-preview.png
Binary files differ
diff --git a/tests/InputScreenshotTest/assets/tablet/dark_portrait_layout-preview.png b/tests/InputScreenshotTest/assets/tablet/dark_portrait_layout-preview.png
index 37a91e1..ab23401 100644
--- a/tests/InputScreenshotTest/assets/tablet/dark_portrait_layout-preview.png
+++ b/tests/InputScreenshotTest/assets/tablet/dark_portrait_layout-preview.png
Binary files differ
diff --git a/tests/Internal/src/com/android/internal/protolog/OWNERS b/tests/Internal/src/com/android/internal/protolog/OWNERS
new file mode 100644
index 0000000..18cf2be
--- /dev/null
+++ b/tests/Internal/src/com/android/internal/protolog/OWNERS
@@ -0,0 +1,3 @@
+# ProtoLog owners
+# Bug component: 1157642
+include platform/development:/tools/winscope/OWNERS