diff --git a/core/api/current.txt b/core/api/current.txt
index 75bde4d..ed67679 100644
--- a/core/api/current.txt
+++ b/core/api/current.txt
@@ -4757,6 +4757,7 @@
     method public int getLaunchDisplayId();
     method public boolean getLockTaskMode();
     method public int getPendingIntentBackgroundActivityStartMode();
+    method public int getPendingIntentCreatorBackgroundActivityStartMode();
     method public int getSplashScreenStyle();
     method @Deprecated public boolean isPendingIntentBackgroundActivityLaunchAllowed();
     method public boolean isShareIdentityEnabled();
@@ -4777,6 +4778,7 @@
     method public android.app.ActivityOptions setLockTaskEnabled(boolean);
     method @Deprecated public void setPendingIntentBackgroundActivityLaunchAllowed(boolean);
     method @NonNull public android.app.ActivityOptions setPendingIntentBackgroundActivityStartMode(int);
+    method @NonNull public android.app.ActivityOptions setPendingIntentCreatorBackgroundActivityStartMode(int);
     method @NonNull public android.app.ActivityOptions setShareIdentityEnabled(boolean);
     method @NonNull public android.app.ActivityOptions setSplashScreenStyle(int);
     method public android.os.Bundle toBundle();
@@ -26328,8 +26330,23 @@
 
 package android.media.tv {
 
+  public final class AdBuffer implements android.os.Parcelable {
+    ctor public AdBuffer(int, @NonNull String, @NonNull android.os.SharedMemory, int, int, long, int);
+    method public int describeContents();
+    method public int getFlags();
+    method public int getId();
+    method public int getLength();
+    method @NonNull public String getMimeType();
+    method public int getOffset();
+    method public long getPresentationTimeUs();
+    method @NonNull public android.os.SharedMemory getSharedMemory();
+    method public void writeToParcel(@NonNull android.os.Parcel, int);
+    field @NonNull public static final android.os.Parcelable.Creator<android.media.tv.AdBuffer> CREATOR;
+  }
+
   public final class AdRequest implements android.os.Parcelable {
     ctor public AdRequest(int, int, @Nullable android.os.ParcelFileDescriptor, long, long, long, @Nullable String, @NonNull android.os.Bundle);
+    ctor public AdRequest(int, int, @Nullable android.net.Uri, long, long, long, @NonNull android.os.Bundle);
     method public int describeContents();
     method public long getEchoIntervalMillis();
     method @Nullable public android.os.ParcelFileDescriptor getFileDescriptor();
@@ -26339,6 +26356,7 @@
     method public int getRequestType();
     method public long getStartTimeMillis();
     method public long getStopTimeMillis();
+    method @Nullable public android.net.Uri getUri();
     method public void writeToParcel(@NonNull android.os.Parcel, int);
     field @NonNull public static final android.os.Parcelable.Creator<android.media.tv.AdRequest> CREATOR;
     field public static final int REQUEST_TYPE_START = 1; // 0x1
@@ -26353,6 +26371,7 @@
     method public int getResponseType();
     method public void writeToParcel(@NonNull android.os.Parcel, int);
     field @NonNull public static final android.os.Parcelable.Creator<android.media.tv.AdResponse> CREATOR;
+    field public static final int RESPONSE_TYPE_BUFFERING = 5; // 0x5
     field public static final int RESPONSE_TYPE_ERROR = 4; // 0x4
     field public static final int RESPONSE_TYPE_FINISHED = 2; // 0x2
     field public static final int RESPONSE_TYPE_PLAYING = 1; // 0x1
@@ -27106,6 +27125,7 @@
   public abstract static class TvInputService.Session implements android.view.KeyEvent.Callback {
     ctor public TvInputService.Session(android.content.Context);
     method public void layoutSurface(int, int, int, int);
+    method public void notifyAdBufferConsumed(@NonNull android.media.tv.AdBuffer);
     method public void notifyAdResponse(@NonNull android.media.tv.AdResponse);
     method public void notifyAitInfoUpdated(@NonNull android.media.tv.AitInfo);
     method public void notifyAudioPresentationChanged(@NonNull java.util.List<android.media.AudioPresentation>);
@@ -27121,6 +27141,7 @@
     method public void notifyTuned(@NonNull android.net.Uri);
     method public void notifyVideoAvailable();
     method public void notifyVideoUnavailable(int);
+    method public void onAdBuffer(@NonNull android.media.tv.AdBuffer);
     method public void onAppPrivateCommand(@NonNull String, android.os.Bundle);
     method public android.view.View onCreateOverlayView();
     method public boolean onGenericMotionEvent(android.view.MotionEvent);
@@ -27407,9 +27428,11 @@
     ctor public TvInteractiveAppService.Session(@NonNull android.content.Context);
     method public boolean isMediaViewEnabled();
     method @CallSuper public void layoutSurface(int, int, int, int);
+    method @CallSuper public void notifyAdBuffer(@NonNull android.media.tv.AdBuffer);
     method @CallSuper public final void notifyBiInteractiveAppCreated(@NonNull android.net.Uri, @Nullable String);
     method @CallSuper public void notifySessionStateChanged(int, int);
     method @CallSuper public final void notifyTeletextAppStateChanged(int);
+    method public void onAdBufferConsumed(@NonNull android.media.tv.AdBuffer);
     method public void onAdResponse(@NonNull android.media.tv.AdResponse);
     method public void onBroadcastInfoResponse(@NonNull android.media.tv.BroadcastInfoResponse);
     method public void onContentAllowed();
@@ -45372,6 +45395,7 @@
     field public static final String EXTRA_HIDE_PUBLIC_SETTINGS = "android.telephony.extra.HIDE_PUBLIC_SETTINGS";
     field @Deprecated public static final String EXTRA_INCOMING_NUMBER = "incoming_number";
     field public static final String EXTRA_IS_REFRESH = "android.telephony.extra.IS_REFRESH";
+    field public static final String EXTRA_LAST_KNOWN_NETWORK_COUNTRY = "android.telephony.extra.LAST_KNOWN_NETWORK_COUNTRY";
     field public static final String EXTRA_LAUNCH_VOICEMAIL_SETTINGS_INTENT = "android.telephony.extra.LAUNCH_VOICEMAIL_SETTINGS_INTENT";
     field public static final String EXTRA_NETWORK_COUNTRY = "android.telephony.extra.NETWORK_COUNTRY";
     field public static final String EXTRA_NOTIFICATION_COUNT = "android.telephony.extra.NOTIFICATION_COUNT";
diff --git a/core/api/system-current.txt b/core/api/system-current.txt
index d0c000e..4a0b2eb 100644
--- a/core/api/system-current.txt
+++ b/core/api/system-current.txt
@@ -9783,6 +9783,133 @@
 
 }
 
+package android.net.wifi.sharedconnectivity.app {
+
+  public final class DeviceInfo implements android.os.Parcelable {
+    method public int describeContents();
+    method @IntRange(from=0, to=100) @NonNull public int getBatteryPercentage();
+    method @IntRange(from=0, to=3) @NonNull public int getConnectionStrength();
+    method @NonNull public String getDeviceName();
+    method public int getDeviceType();
+    method @NonNull public String getModelName();
+    method public void writeToParcel(@NonNull android.os.Parcel, int);
+    field @NonNull public static final android.os.Parcelable.Creator<android.net.wifi.sharedconnectivity.app.DeviceInfo> CREATOR;
+    field public static final int DEVICE_TYPE_LAPTOP = 3; // 0x3
+    field public static final int DEVICE_TYPE_PHONE = 1; // 0x1
+    field public static final int DEVICE_TYPE_TABLET = 2; // 0x2
+    field public static final int DEVICE_TYPE_UNKNOWN = 0; // 0x0
+  }
+
+  public static final class DeviceInfo.Builder {
+    ctor public DeviceInfo.Builder();
+    method @NonNull public android.net.wifi.sharedconnectivity.app.DeviceInfo build();
+    method @NonNull public android.net.wifi.sharedconnectivity.app.DeviceInfo.Builder setBatteryPercentage(@IntRange(from=0, to=100) int);
+    method @NonNull public android.net.wifi.sharedconnectivity.app.DeviceInfo.Builder setConnectionStrength(@IntRange(from=0, to=3) int);
+    method @NonNull public android.net.wifi.sharedconnectivity.app.DeviceInfo.Builder setDeviceName(@NonNull String);
+    method @NonNull public android.net.wifi.sharedconnectivity.app.DeviceInfo.Builder setDeviceType(int);
+    method @NonNull public android.net.wifi.sharedconnectivity.app.DeviceInfo.Builder setModelName(@NonNull String);
+  }
+
+  public final class KnownNetwork implements android.os.Parcelable {
+    method public int describeContents();
+    method @NonNull public android.net.wifi.sharedconnectivity.app.DeviceInfo getDeviceInfo();
+    method @NonNull public int getNetworkSource();
+    method @NonNull public int[] getSecurityTypes();
+    method @NonNull public String getSsid();
+    method public void writeToParcel(@NonNull android.os.Parcel, int);
+    field @NonNull public static final android.os.Parcelable.Creator<android.net.wifi.sharedconnectivity.app.KnownNetwork> CREATOR;
+    field public static final int NETWORK_SOURCE_CLOUD_SELF = 1; // 0x1
+    field public static final int NETWORK_SOURCE_NEARBY_SELF = 0; // 0x0
+  }
+
+  public static final class KnownNetwork.Builder {
+    ctor public KnownNetwork.Builder();
+    method @NonNull public android.net.wifi.sharedconnectivity.app.KnownNetwork build();
+    method @NonNull public android.net.wifi.sharedconnectivity.app.KnownNetwork.Builder setDeviceInfo(@NonNull android.net.wifi.sharedconnectivity.app.DeviceInfo);
+    method @NonNull public android.net.wifi.sharedconnectivity.app.KnownNetwork.Builder setNetworkSource(int);
+    method @NonNull public android.net.wifi.sharedconnectivity.app.KnownNetwork.Builder setSecurityTypes(@NonNull int[]);
+    method @NonNull public android.net.wifi.sharedconnectivity.app.KnownNetwork.Builder setSsid(@NonNull String);
+  }
+
+  public interface SharedConnectivityClientCallback {
+    method public void onKnownNetworksUpdated(@NonNull java.util.List<android.net.wifi.sharedconnectivity.app.KnownNetwork>);
+    method public void onSharedConnectivitySettingsChanged(@NonNull android.net.wifi.sharedconnectivity.app.SharedConnectivitySettingsState);
+    method public void onTetherNetworksUpdated(@NonNull java.util.List<android.net.wifi.sharedconnectivity.app.TetherNetwork>);
+  }
+
+  public class SharedConnectivityManager {
+    ctor public SharedConnectivityManager(@NonNull android.content.Context);
+    method public boolean connectKnownNetwork(@NonNull android.net.wifi.sharedconnectivity.app.KnownNetwork);
+    method public boolean connectTetherNetwork(@NonNull android.net.wifi.sharedconnectivity.app.TetherNetwork);
+    method public boolean disconnectTetherNetwork();
+    method public boolean forgetKnownNetwork(@NonNull android.net.wifi.sharedconnectivity.app.KnownNetwork);
+    method public boolean registerCallback(@NonNull java.util.concurrent.Executor, @NonNull android.net.wifi.sharedconnectivity.app.SharedConnectivityClientCallback);
+    method public boolean unregisterCallback(@NonNull android.net.wifi.sharedconnectivity.app.SharedConnectivityClientCallback);
+  }
+
+  public final class SharedConnectivitySettingsState implements android.os.Parcelable {
+    method public int describeContents();
+    method @NonNull public android.os.Bundle getExtras();
+    method @NonNull public boolean isInstantTetherEnabled();
+    method public void writeToParcel(@NonNull android.os.Parcel, int);
+    field @NonNull public static final android.os.Parcelable.Creator<android.net.wifi.sharedconnectivity.app.SharedConnectivitySettingsState> CREATOR;
+  }
+
+  public static final class SharedConnectivitySettingsState.Builder {
+    ctor public SharedConnectivitySettingsState.Builder();
+    method @NonNull public android.net.wifi.sharedconnectivity.app.SharedConnectivitySettingsState build();
+    method @NonNull public android.net.wifi.sharedconnectivity.app.SharedConnectivitySettingsState.Builder setExtras(@NonNull android.os.Bundle);
+    method @NonNull public android.net.wifi.sharedconnectivity.app.SharedConnectivitySettingsState.Builder setInstantTetherEnabled(boolean);
+  }
+
+  public final class TetherNetwork implements android.os.Parcelable {
+    method public int describeContents();
+    method @NonNull public long getDeviceId();
+    method @NonNull public android.net.wifi.sharedconnectivity.app.DeviceInfo getDeviceInfo();
+    method @Nullable public String getHotspotBssid();
+    method @Nullable public int[] getHotspotSecurityTypes();
+    method @Nullable public String getHotspotSsid();
+    method @NonNull public String getNetworkName();
+    method @NonNull public int getNetworkType();
+    method public void writeToParcel(@NonNull android.os.Parcel, int);
+    field @NonNull public static final android.os.Parcelable.Creator<android.net.wifi.sharedconnectivity.app.TetherNetwork> CREATOR;
+    field public static final int NETWORK_TYPE_CELLULAR = 1; // 0x1
+    field public static final int NETWORK_TYPE_ETHERNET = 3; // 0x3
+    field public static final int NETWORK_TYPE_UNKNOWN = 0; // 0x0
+    field public static final int NETWORK_TYPE_WIFI = 2; // 0x2
+  }
+
+  public static final class TetherNetwork.Builder {
+    ctor public TetherNetwork.Builder();
+    method @NonNull public android.net.wifi.sharedconnectivity.app.TetherNetwork build();
+    method @NonNull public android.net.wifi.sharedconnectivity.app.TetherNetwork.Builder setDeviceId(long);
+    method @NonNull public android.net.wifi.sharedconnectivity.app.TetherNetwork.Builder setDeviceInfo(@NonNull android.net.wifi.sharedconnectivity.app.DeviceInfo);
+    method @NonNull public android.net.wifi.sharedconnectivity.app.TetherNetwork.Builder setHotspotBssid(@NonNull String);
+    method @NonNull public android.net.wifi.sharedconnectivity.app.TetherNetwork.Builder setHotspotSecurityTypes(@NonNull int[]);
+    method @NonNull public android.net.wifi.sharedconnectivity.app.TetherNetwork.Builder setHotspotSsid(@NonNull String);
+    method @NonNull public android.net.wifi.sharedconnectivity.app.TetherNetwork.Builder setNetworkName(@NonNull String);
+    method @NonNull public android.net.wifi.sharedconnectivity.app.TetherNetwork.Builder setNetworkType(int);
+  }
+
+}
+
+package android.net.wifi.sharedconnectivity.service {
+
+  public abstract class SharedConnectivityService extends android.app.Service {
+    ctor public SharedConnectivityService();
+    ctor public SharedConnectivityService(@NonNull android.os.Handler);
+    method @Nullable public android.os.IBinder onBind(@NonNull android.content.Intent);
+    method public abstract void onConnectKnownNetwork(@NonNull android.net.wifi.sharedconnectivity.app.KnownNetwork);
+    method public abstract void onConnectTetherNetwork(@NonNull android.net.wifi.sharedconnectivity.app.TetherNetwork);
+    method public abstract void onDisconnectTetherNetwork();
+    method public abstract void onForgetKnownNetwork(@NonNull android.net.wifi.sharedconnectivity.app.KnownNetwork);
+    method public final void setKnownNetworks(@NonNull java.util.List<android.net.wifi.sharedconnectivity.app.KnownNetwork>);
+    method public final void setSettingsState(@NonNull android.net.wifi.sharedconnectivity.app.SharedConnectivitySettingsState);
+    method public final void setTetherNetworks(@NonNull java.util.List<android.net.wifi.sharedconnectivity.app.TetherNetwork>);
+  }
+
+}
+
 package android.nfc {
 
   public final class NfcAdapter {
diff --git a/core/api/test-current.txt b/core/api/test-current.txt
index 2f5e820..b3e3f35 100644
--- a/core/api/test-current.txt
+++ b/core/api/test-current.txt
@@ -1863,6 +1863,14 @@
 
 }
 
+package android.net.wifi.sharedconnectivity.app {
+
+  public class SharedConnectivityManager {
+    method public void setService(@Nullable android.os.IInterface);
+  }
+
+}
+
 package android.os {
 
   public final class BatteryStatsManager {
diff --git a/core/java/android/app/ActivityOptions.java b/core/java/android/app/ActivityOptions.java
index b57fb20..b3337b6 100644
--- a/core/java/android/app/ActivityOptions.java
+++ b/core/java/android/app/ActivityOptions.java
@@ -397,8 +397,8 @@
     /** See {@link #setDismissKeyguard()}. */
     private static final String KEY_DISMISS_KEYGUARD = "android.activity.dismissKeyguard";
 
-    private static final String KEY_IGNORE_PENDING_INTENT_CREATOR_FOREGROUND_STATE =
-            "android.activity.ignorePendingIntentCreatorForegroundState";
+    private static final String KEY_PENDING_INTENT_CREATOR_BACKGROUND_ACTIVITY_START_MODE =
+            "android.activity.pendingIntentCreatorBackgroundActivityStartMode";
 
     /**
      * @see #setLaunchCookie
@@ -499,7 +499,9 @@
     private boolean mTransientLaunch;
     private PictureInPictureParams mLaunchIntoPipParams;
     private boolean mDismissKeyguard;
-    private boolean mIgnorePendingIntentCreatorForegroundState;
+    @BackgroundActivityStartMode
+    private int mPendingIntentCreatorBackgroundActivityStartMode =
+            MODE_BACKGROUND_ACTIVITY_START_SYSTEM_DEFINED;
     private boolean mDisableStartingWindow;
 
     /**
@@ -1307,8 +1309,9 @@
         mIsEligibleForLegacyPermissionPrompt =
                 opts.getBoolean(KEY_LEGACY_PERMISSION_PROMPT_ELIGIBLE);
         mDismissKeyguard = opts.getBoolean(KEY_DISMISS_KEYGUARD);
-        mIgnorePendingIntentCreatorForegroundState = opts.getBoolean(
-                KEY_IGNORE_PENDING_INTENT_CREATOR_FOREGROUND_STATE);
+        mPendingIntentCreatorBackgroundActivityStartMode = opts.getInt(
+                KEY_PENDING_INTENT_CREATOR_BACKGROUND_ACTIVITY_START_MODE,
+                MODE_BACKGROUND_ACTIVITY_START_SYSTEM_DEFINED);
         mDisableStartingWindow = opts.getBoolean(KEY_DISABLE_STARTING_WINDOW);
     }
 
@@ -2009,19 +2012,38 @@
      * Sets background activity launch logic won't use pending intent creator foreground state.
      *
      * @hide
+     * @deprecated use {@link #setPendingIntentCreatorBackgroundActivityStartMode(int)} instead
      */
-    public ActivityOptions setIgnorePendingIntentCreatorForegroundState(boolean state) {
-        mIgnorePendingIntentCreatorForegroundState = state;
+    @Deprecated
+    public ActivityOptions setIgnorePendingIntentCreatorForegroundState(boolean ignore) {
+        mPendingIntentCreatorBackgroundActivityStartMode = ignore
+                ? MODE_BACKGROUND_ACTIVITY_START_DENIED : MODE_BACKGROUND_ACTIVITY_START_ALLOWED;
         return this;
     }
 
     /**
-     * @return whether background activity launch logic should use pending intent creator
-     * foreground state.
-     * @hide
+     * Allow a {@link PendingIntent} to use the privilege of its creator to start background
+     * activities.
+     *
+     * @param mode the {@link android.app.ComponentOptions.BackgroundActivityStartMode} being set
+     * @throws IllegalArgumentException is the value is not a valid
+     * {@link android.app.ComponentOptions.BackgroundActivityStartMode}
      */
-    public boolean getIgnorePendingIntentCreatorForegroundState() {
-        return mIgnorePendingIntentCreatorForegroundState;
+    @NonNull
+    public ActivityOptions setPendingIntentCreatorBackgroundActivityStartMode(
+            @BackgroundActivityStartMode int mode) {
+        mPendingIntentCreatorBackgroundActivityStartMode = mode;
+        return this;
+    }
+
+    /**
+     * Returns the mode to start background activities granted by the creator of the
+     * {@link PendingIntent}.
+     *
+     * @return the {@link android.app.ComponentOptions.BackgroundActivityStartMode} currently set
+     */
+    public @BackgroundActivityStartMode int getPendingIntentCreatorBackgroundActivityStartMode() {
+        return mPendingIntentCreatorBackgroundActivityStartMode;
     }
 
     /**
@@ -2295,9 +2317,10 @@
         if (mDismissKeyguard) {
             b.putBoolean(KEY_DISMISS_KEYGUARD, mDismissKeyguard);
         }
-        if (mIgnorePendingIntentCreatorForegroundState) {
-            b.putBoolean(KEY_IGNORE_PENDING_INTENT_CREATOR_FOREGROUND_STATE,
-                    mIgnorePendingIntentCreatorForegroundState);
+        if (mPendingIntentCreatorBackgroundActivityStartMode
+                != MODE_BACKGROUND_ACTIVITY_START_SYSTEM_DEFINED) {
+            b.putInt(KEY_PENDING_INTENT_CREATOR_BACKGROUND_ACTIVITY_START_MODE,
+                    mPendingIntentCreatorBackgroundActivityStartMode);
         }
         if (mDisableStartingWindow) {
             b.putBoolean(KEY_DISABLE_STARTING_WINDOW, mDisableStartingWindow);
diff --git a/core/java/android/hardware/fingerprint/IUdfpsRefreshRateRequestCallback.aidl b/core/java/android/hardware/fingerprint/IUdfpsRefreshRateRequestCallback.aidl
index 8587348..7844b40 100644
--- a/core/java/android/hardware/fingerprint/IUdfpsRefreshRateRequestCallback.aidl
+++ b/core/java/android/hardware/fingerprint/IUdfpsRefreshRateRequestCallback.aidl
@@ -39,5 +39,15 @@
      *        {@link android.view.Display#getDisplayId()}.
      */
     void onRequestDisabled(int displayId);
+
+    /**
+     * To avoid delay in switching refresh rate when activating LHBM, allow screens to request
+     * higher refersh rate if auth is possible on particular screen
+     *
+     * @param displayId The displayId for which the refresh rate should be unset. See
+     *        {@link android.view.Display#getDisplayId()}.
+     * @param isPossible If authentication is possible on particualr screen
+     */
+    void onAuthenticationPossible(int displayId, boolean isPossible);
 }
 
diff --git a/core/java/android/provider/Settings.java b/core/java/android/provider/Settings.java
index 1c032ee..b29efab 100644
--- a/core/java/android/provider/Settings.java
+++ b/core/java/android/provider/Settings.java
@@ -11468,6 +11468,13 @@
                 "extra_automatic_power_save_mode";
 
         /**
+         * Whether lockscreen weather is enabled.
+         *
+         * @hide
+         */
+        public static final String LOCK_SCREEN_WEATHER_ENABLED = "lockscreen_weather_enabled";
+
+        /**
          * These entries are considered common between the personal and the managed profile,
          * since the managed profile doesn't get to change them.
          */
diff --git a/core/res/res/values/config.xml b/core/res/res/values/config.xml
index 92a9e56..82de7b8 100644
--- a/core/res/res/values/config.xml
+++ b/core/res/res/values/config.xml
@@ -2193,6 +2193,9 @@
     <!-- The name of the package that will hold the system financed device controller role. -->
     <string name="config_systemFinancedDeviceController" translatable="false">com.android.devicelockcontroller</string>
 
+    <!-- The component name of the wear service class that will be started by the system server. -->
+    <string name="config_wearServiceComponent" translatable="false"></string>
+
     <!-- The name of the package that will handle updating the device management role. -->
     <string name="config_devicePolicyManagementUpdater" translatable="false"></string>
 
@@ -6207,6 +6210,18 @@
          different from the home screen wallpaper. -->
     <bool name="config_independentLockscreenLiveWallpaper">false</bool>
 
+    <!-- Device state that corresponds to concurrent display mode where the default display
+         is the internal display. Public API for the feature is provided through Jetpack
+         WindowManager.
+         TODO(b/236022708) Move concurrent display state to device state config file
+    -->
+    <integer name="config_deviceStateConcurrentRearDisplay">-1</integer>
+
+    <!-- Physical display address that corresponds to the rear display in rear display mode
+         and concurrent display mode. Used to get information about the display before
+         entering the corresponding modes -->
+    <string name="config_rearDisplayPhysicalAddress" translatable="false"></string>
+
     <!-- List of certificate to be used for font fs-verity integrity verification -->
     <string-array translatable="false" name="config_fontManagerServiceCerts">
     </string-array>
@@ -6276,4 +6291,7 @@
         "stopped" during initial boot of a device, or after an OTA update. Stopped state of
         an app is not changed during subsequent reboots.  -->
     <bool name="config_stopSystemPackagesByDefault">false</bool>
+
+    <!-- Whether to show weather on the lock screen by default. -->
+    <bool name="config_lockscreenWeatherEnabledByDefault">false</bool>
 </resources>
diff --git a/core/res/res/values/symbols.xml b/core/res/res/values/symbols.xml
index f460219a..aeb46cc 100644
--- a/core/res/res/values/symbols.xml
+++ b/core/res/res/values/symbols.xml
@@ -4907,6 +4907,8 @@
   <java-symbol type="string" name="concurrent_display_notification_thermal_content"/>
   <java-symbol type="string" name="device_state_notification_turn_off_button"/>
   <java-symbol type="bool" name="config_independentLockscreenLiveWallpaper"/>
+  <java-symbol type="integer" name="config_deviceStateConcurrentRearDisplay" />
+  <java-symbol type="string" name="config_rearDisplayPhysicalAddress" />
 
   <!-- For app language picker -->
   <java-symbol type="string" name="system_locale_title" />
@@ -4926,4 +4928,8 @@
   <java-symbol type="array" name="config_displayShapeArray" />
 
   <java-symbol type="bool" name="config_stopSystemPackagesByDefault"/>
+  <java-symbol type="string" name="config_wearServiceComponent" />
+
+  <!-- Whether to show weather on the lockscreen by default. -->
+  <java-symbol type="bool" name="config_lockscreenWeatherEnabledByDefault" />
 </resources>
diff --git a/data/etc/services.core.protolog.json b/data/etc/services.core.protolog.json
index f2d6250..53f4747 100644
--- a/data/etc/services.core.protolog.json
+++ b/data/etc/services.core.protolog.json
@@ -61,6 +61,12 @@
       "group": "WM_DEBUG_APP_TRANSITIONS",
       "at": "com\/android\/server\/wm\/WindowToken.java"
     },
+    "-2088209279": {
+      "message": "Notified TransitionController that the display is ready.",
+      "level": "VERBOSE",
+      "group": "WM_DEBUG_WINDOW_TRANSITIONS",
+      "at": "com\/android\/server\/wm\/WindowManagerService.java"
+    },
     "-2072089308": {
       "message": "Attempted to add window with token that is a sub-window: %s.  Aborting.",
       "level": "WARN",
@@ -2767,6 +2773,12 @@
       "group": "WM_DEBUG_STATES",
       "at": "com\/android\/server\/wm\/TaskFragment.java"
     },
+    "378890013": {
+      "message": "Apply and finish immediately because player is disabled for transition #%d .",
+      "level": "VERBOSE",
+      "group": "WM_DEBUG_WINDOW_TRANSITIONS",
+      "at": "com\/android\/server\/wm\/Transition.java"
+    },
     "385237117": {
       "message": "moveFocusableActivityToTop: already on top and focused, activity=%s",
       "level": "DEBUG",
@@ -3649,6 +3661,12 @@
       "group": "WM_DEBUG_STATES",
       "at": "com\/android\/server\/wm\/ActivityRecord.java"
     },
+    "1282992082": {
+      "message": "Disabling player for transition #%d because display isn't enabled yet",
+      "level": "VERBOSE",
+      "group": "WM_DEBUG_WINDOW_TRANSITIONS",
+      "at": "com\/android\/server\/wm\/TransitionController.java"
+    },
     "1284122013": {
       "message": "TaskFragment appeared name=%s",
       "level": "VERBOSE",
diff --git a/libs/WindowManager/Jetpack/src/androidx/window/extensions/area/RearDisplayPresentation.java b/libs/WindowManager/Jetpack/src/androidx/window/extensions/area/RearDisplayPresentation.java
new file mode 100644
index 0000000..1ff1694
--- /dev/null
+++ b/libs/WindowManager/Jetpack/src/androidx/window/extensions/area/RearDisplayPresentation.java
@@ -0,0 +1,68 @@
+/*
+ * 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 androidx.window.extensions.area;
+
+import android.app.Presentation;
+import android.content.Context;
+import android.view.Display;
+import android.view.View;
+
+import androidx.annotation.NonNull;
+import androidx.window.extensions.core.util.function.Consumer;
+
+/**
+ * {@link Presentation} object that is used to present extra content
+ * on the rear facing display when in a rear display presentation feature.
+ */
+class RearDisplayPresentation extends Presentation implements ExtensionWindowAreaPresentation {
+
+    @NonNull
+    private final Consumer<@WindowAreaComponent.WindowAreaSessionState Integer> mStateConsumer;
+
+    RearDisplayPresentation(@NonNull Context outerContext, @NonNull Display display,
+            @NonNull Consumer<@WindowAreaComponent.WindowAreaSessionState Integer> stateConsumer) {
+        super(outerContext, display);
+        mStateConsumer = stateConsumer;
+    }
+
+    /**
+     * {@code mStateConsumer} is notified that their content is now visible when the
+     * {@link Presentation} object is started. There is no comparable callback for
+     * {@link WindowAreaComponent#SESSION_STATE_INVISIBLE} in {@link #onStop()} due to the
+     * timing of when a {@link android.hardware.devicestate.DeviceStateRequest} is cancelled
+     * ending rear display presentation mode happening before the {@link Presentation} is stopped.
+     */
+    @Override
+    protected void onStart() {
+        super.onStart();
+        mStateConsumer.accept(WindowAreaComponent.SESSION_STATE_VISIBLE);
+    }
+
+    @NonNull
+    @Override
+    public Context getPresentationContext() {
+        return getContext();
+    }
+
+    @Override
+    public void setPresentationView(View view) {
+        setContentView(view);
+        if (!isShowing()) {
+            show();
+        }
+    }
+}
diff --git a/libs/WindowManager/Jetpack/src/androidx/window/extensions/area/RearDisplayPresentationController.java b/libs/WindowManager/Jetpack/src/androidx/window/extensions/area/RearDisplayPresentationController.java
new file mode 100644
index 0000000..141a6ad
--- /dev/null
+++ b/libs/WindowManager/Jetpack/src/androidx/window/extensions/area/RearDisplayPresentationController.java
@@ -0,0 +1,100 @@
+/*
+ * 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 androidx.window.extensions.area;
+
+import static androidx.window.extensions.area.WindowAreaComponent.SESSION_STATE_ACTIVE;
+import static androidx.window.extensions.area.WindowAreaComponent.SESSION_STATE_INACTIVE;
+
+import android.content.Context;
+import android.hardware.devicestate.DeviceStateRequest;
+import android.hardware.display.DisplayManager;
+import android.util.Log;
+import android.view.Display;
+
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+import androidx.window.extensions.core.util.function.Consumer;
+
+import java.util.Objects;
+
+/**
+ * Controller class that keeps track of the status of the device state request
+ * to enable the rear display presentation feature. This controller notifies the session callback
+ * when the state request is active, and notifies the callback when the request is canceled.
+ *
+ * Clients are notified via {@link Consumer} provided with
+ * {@link androidx.window.extensions.area.WindowAreaComponent.WindowAreaStatus} values to signify
+ * when the request becomes active and cancelled.
+ */
+class RearDisplayPresentationController implements DeviceStateRequest.Callback {
+
+    private static final String TAG = "RearDisplayPresentationController";
+
+    // Original context that requested to enable rear display presentation mode
+    @NonNull
+    private final Context mContext;
+    @NonNull
+    private final Consumer<@WindowAreaComponent.WindowAreaSessionState Integer> mStateConsumer;
+    @Nullable
+    private ExtensionWindowAreaPresentation mExtensionWindowAreaPresentation;
+    @NonNull
+    private final DisplayManager mDisplayManager;
+
+    /**
+     * Creates the RearDisplayPresentationController
+     * @param context Originating {@link android.content.Context} that is initiating the rear
+     *                display presentation session.
+     * @param stateConsumer {@link Consumer} that will be notified that the session is active when
+     *        the device state request is active and the session has been created. If the device
+     *        state request is cancelled, the callback will be notified that the session has been
+     *        ended. This could occur through a call to cancel the feature or if the device is
+     *        manipulated in a way that cancels any device state override.
+     */
+    RearDisplayPresentationController(@NonNull Context context,
+            @NonNull Consumer<@WindowAreaComponent.WindowAreaSessionState Integer> stateConsumer) {
+        Objects.requireNonNull(context);
+        Objects.requireNonNull(stateConsumer);
+
+        mContext = context;
+        mStateConsumer = stateConsumer;
+        mDisplayManager = context.getSystemService(DisplayManager.class);
+    }
+
+    @Override
+    public void onRequestActivated(@NonNull DeviceStateRequest request) {
+        Display[] rearDisplays = mDisplayManager.getDisplays(DisplayManager.DISPLAY_CATEGORY_REAR);
+        if (rearDisplays.length == 0) {
+            mStateConsumer.accept(SESSION_STATE_INACTIVE);
+            Log.e(TAG, "Rear display list should not be empty");
+            return;
+        }
+
+        mExtensionWindowAreaPresentation =
+                new RearDisplayPresentation(mContext, rearDisplays[0], mStateConsumer);
+        mStateConsumer.accept(SESSION_STATE_ACTIVE);
+    }
+
+    @Override
+    public void onRequestCanceled(@NonNull DeviceStateRequest request) {
+        mStateConsumer.accept(SESSION_STATE_INACTIVE);
+    }
+
+    @Nullable
+    public ExtensionWindowAreaPresentation getWindowAreaPresentation() {
+        return mExtensionWindowAreaPresentation;
+    }
+}
diff --git a/libs/WindowManager/Jetpack/src/androidx/window/extensions/area/RearDisplayPresentationStatus.java b/libs/WindowManager/Jetpack/src/androidx/window/extensions/area/RearDisplayPresentationStatus.java
new file mode 100644
index 0000000..0b1423a
--- /dev/null
+++ b/libs/WindowManager/Jetpack/src/androidx/window/extensions/area/RearDisplayPresentationStatus.java
@@ -0,0 +1,62 @@
+/*
+ * 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 androidx.window.extensions.area;
+
+import android.util.DisplayMetrics;
+
+import androidx.annotation.NonNull;
+
+/**
+ * Class that provides information around the current status of a window area feature. Contains
+ * the current {@link WindowAreaComponent.WindowAreaStatus} value corresponding to the
+ * rear display presentation feature, as well as the {@link DisplayMetrics} for the rear facing
+ * display.
+ */
+class RearDisplayPresentationStatus implements ExtensionWindowAreaStatus {
+
+    @WindowAreaComponent.WindowAreaStatus
+    private final int mWindowAreaStatus;
+
+    @NonNull
+    private final DisplayMetrics mDisplayMetrics;
+
+    RearDisplayPresentationStatus(@WindowAreaComponent.WindowAreaStatus int status,
+            @NonNull DisplayMetrics displayMetrics) {
+        mWindowAreaStatus = status;
+        mDisplayMetrics = displayMetrics;
+    }
+
+    /**
+     * Returns the {@link androidx.window.extensions.area.WindowAreaComponent.WindowAreaStatus}
+     * value that relates to the current status of a feature.
+     */
+    @Override
+    @WindowAreaComponent.WindowAreaStatus
+    public int getWindowAreaStatus() {
+        return mWindowAreaStatus;
+    }
+
+    /**
+     * Returns the {@link DisplayMetrics} that corresponds to the window area that a feature
+     * interacts with. This is converted to size class information provided to developers.
+     */
+    @Override
+    @NonNull
+    public DisplayMetrics getWindowAreaDisplayMetrics() {
+        return mDisplayMetrics;
+    }
+}
diff --git a/libs/WindowManager/Jetpack/src/androidx/window/extensions/area/WindowAreaComponentImpl.java b/libs/WindowManager/Jetpack/src/androidx/window/extensions/area/WindowAreaComponentImpl.java
index 20602a1..274dcae 100644
--- a/libs/WindowManager/Jetpack/src/androidx/window/extensions/area/WindowAreaComponentImpl.java
+++ b/libs/WindowManager/Jetpack/src/androidx/window/extensions/area/WindowAreaComponentImpl.java
@@ -22,7 +22,12 @@
 import android.content.Context;
 import android.hardware.devicestate.DeviceStateManager;
 import android.hardware.devicestate.DeviceStateRequest;
+import android.hardware.display.DisplayManager;
 import android.util.ArraySet;
+import android.util.DisplayMetrics;
+import android.util.Pair;
+import android.view.Display;
+import android.view.DisplayAddress;
 
 import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
@@ -30,6 +35,7 @@
 
 import com.android.internal.R;
 import com.android.internal.annotations.GuardedBy;
+import com.android.internal.util.ArrayUtils;
 
 import java.util.concurrent.Executor;
 
@@ -47,61 +53,102 @@
 
     private final Object mLock = new Object();
 
+    @NonNull
     private final DeviceStateManager mDeviceStateManager;
+    @NonNull
+    private final DisplayManager mDisplayManager;
+    @NonNull
     private final Executor mExecutor;
 
     @GuardedBy("mLock")
     private final ArraySet<Consumer<Integer>> mRearDisplayStatusListeners = new ArraySet<>();
+    @GuardedBy("mLock")
+    private final ArraySet<Consumer<ExtensionWindowAreaStatus>>
+            mRearDisplayPresentationStatusListeners = new ArraySet<>();
     private final int mRearDisplayState;
+    private final int mConcurrentDisplayState;
+    @NonNull
+    private final int[] mFoldedDeviceStates;
+    @NonNull
+    private long mRearDisplayAddress = 0;
     @WindowAreaSessionState
     private int mRearDisplaySessionStatus = WindowAreaComponent.SESSION_STATE_INACTIVE;
 
     @GuardedBy("mLock")
     private int mCurrentDeviceState = INVALID_DEVICE_STATE;
     @GuardedBy("mLock")
-    private int mCurrentDeviceBaseState = INVALID_DEVICE_STATE;
+    private int[] mCurrentSupportedDeviceStates;
+
     @GuardedBy("mLock")
-    private DeviceStateRequest mDeviceStateRequest;
+    private DeviceStateRequest mRearDisplayStateRequest;
+    @GuardedBy("mLock")
+    private RearDisplayPresentationController mRearDisplayPresentationController;
+
+    @Nullable
+    @GuardedBy("mLock")
+    private DisplayMetrics mRearDisplayMetrics;
+
+    @WindowAreaSessionState
+    @GuardedBy("mLock")
+    private int mLastReportedRearDisplayPresentationStatus;
 
     public WindowAreaComponentImpl(@NonNull Context context) {
         mDeviceStateManager = context.getSystemService(DeviceStateManager.class);
+        mDisplayManager = context.getSystemService(DisplayManager.class);
         mExecutor = context.getMainExecutor();
 
+        mCurrentSupportedDeviceStates = mDeviceStateManager.getSupportedStates();
+        mFoldedDeviceStates = context.getResources().getIntArray(
+                R.array.config_foldedDeviceStates);
+
         // TODO(b/236022708) Move rear display state to device state config file
         mRearDisplayState = context.getResources().getInteger(
                 R.integer.config_deviceStateRearDisplay);
 
+        mConcurrentDisplayState = context.getResources().getInteger(
+                R.integer.config_deviceStateConcurrentRearDisplay);
+
         mDeviceStateManager.registerCallback(mExecutor, this);
+        if (mConcurrentDisplayState != INVALID_DEVICE_STATE) {
+            mRearDisplayAddress = Long.parseLong(context.getResources().getString(
+                    R.string.config_rearDisplayPhysicalAddress));
+        }
     }
 
     /**
      * Adds a listener interested in receiving updates on the RearDisplayStatus
      * of the device. Because this is being called from the OEM provided
-     * extensions, we will post the result of the listener on the executor
+     * extensions, the result of the listener will be posted on the executor
      * provided by the developer at the initial call site.
      *
-     * Depending on the initial state of the device, we will return either
+     * Rear display mode moves the calling application to the display on the device that is
+     * facing the same direction as the rear cameras. This would be the cover display on a fold-in
+     * style device when the device is opened.
+     *
+     * Depending on the initial state of the device, the {@link Consumer} will receive either
      * {@link WindowAreaComponent#STATUS_AVAILABLE} or
      * {@link WindowAreaComponent#STATUS_UNAVAILABLE} if the feature is supported or not in that
-     * state respectively. When the rear display feature is triggered, we update the status to be
-     * {@link WindowAreaComponent#STATUS_UNAVAILABLE}. TODO(b/240727590) Prefix with AREA_
+     * state respectively. When the rear display feature is triggered, the status is updated to be
+     * {@link WindowAreaComponent#STATUS_UNAVAILABLE}.
+     * TODO(b/240727590): Prefix with AREA_
      *
-     * TODO(b/239833099) Add a STATUS_ACTIVE option to let apps know if a feature is currently
-     * enabled.
+     * TODO(b/239833099): Add a STATUS_ACTIVE option to let apps know if a feature is currently
+     *  enabled.
      *
      * @param consumer {@link Consumer} interested in receiving updates to the status of
      * rear display mode.
      */
+    @Override
     public void addRearDisplayStatusListener(
             @NonNull Consumer<@WindowAreaStatus Integer> consumer) {
         synchronized (mLock) {
             mRearDisplayStatusListeners.add(consumer);
 
-            // If current device state is still invalid, we haven't gotten our initial value yet
+            // If current device state is still invalid, the initial value has not been provided.
             if (mCurrentDeviceState == INVALID_DEVICE_STATE) {
                 return;
             }
-            consumer.accept(getCurrentStatus());
+            consumer.accept(getCurrentRearDisplayModeStatus());
         }
     }
 
@@ -109,6 +156,7 @@
      * Removes a listener no longer interested in receiving updates.
      * @param consumer no longer interested in receiving updates to RearDisplayStatus
      */
+    @Override
     public void removeRearDisplayStatusListener(
             @NonNull Consumer<@WindowAreaStatus Integer> consumer) {
         synchronized (mLock) {
@@ -119,13 +167,17 @@
     /**
      * Creates and starts a rear display session and provides updates to the
      * callback provided. Because this is being called from the OEM provided
-     * extensions, we will post the result of the listener on the executor
+     * extensions, the result of the listener will be posted on the executor
      * provided by the developer at the initial call site.
      *
-     * When we enable rear display mode, we submit a request to {@link DeviceStateManager}
+     * Rear display mode moves the calling application to the display on the device that is
+     * facing the same direction as the rear cameras. This would be the cover display on a fold-in
+     * style device when the device is opened.
+     *
+     * When rear display mode is enabled, a request is made to {@link DeviceStateManager}
      * to override the device state to the state that corresponds to RearDisplay
-     * mode. When the {@link DeviceStateRequest} is activated, we let the
-     * consumer know that the session is active by sending
+     * mode. When the {@link DeviceStateRequest} is activated, the provided {@link Consumer} is
+     * notified that the session is active by receiving
      * {@link WindowAreaComponent#SESSION_STATE_ACTIVE}.
      *
      * @param activity to provide updates to the client on
@@ -133,19 +185,20 @@
      * @param rearDisplaySessionCallback to provide updates to the client on
      * the status of the Session
      */
+    @Override
     public void startRearDisplaySession(@NonNull Activity activity,
             @NonNull Consumer<@WindowAreaSessionState Integer> rearDisplaySessionCallback) {
         synchronized (mLock) {
-            if (mDeviceStateRequest != null) {
+            if (mRearDisplayStateRequest != null) {
                 // Rear display session is already active
                 throw new IllegalStateException(
                         "Unable to start new rear display session as one is already active");
             }
-            mDeviceStateRequest = DeviceStateRequest.newBuilder(mRearDisplayState).build();
+            mRearDisplayStateRequest = DeviceStateRequest.newBuilder(mRearDisplayState).build();
             mDeviceStateManager.requestState(
-                    mDeviceStateRequest,
+                    mRearDisplayStateRequest,
                     mExecutor,
-                    new DeviceStateRequestCallbackAdapter(rearDisplaySessionCallback)
+                    new RearDisplayStateRequestCallbackAdapter(rearDisplaySessionCallback)
             );
         }
     }
@@ -153,13 +206,14 @@
     /**
      * Ends the current rear display session and provides updates to the
      * callback provided. Because this is being called from the OEM provided
-     * extensions, we will post the result of the listener on the executor
-     * provided by the developer.
+     * extensions, the result of the listener will be posted on the executor
+     * provided by the developer at the initial call site.
      */
+    @Override
     public void endRearDisplaySession() {
         synchronized (mLock) {
-            if (mDeviceStateRequest != null || isRearDisplayActive()) {
-                mDeviceStateRequest = null;
+            if (mRearDisplayStateRequest != null || isRearDisplayActive()) {
+                mRearDisplayStateRequest = null;
                 mDeviceStateManager.cancelStateRequest();
             } else {
                 throw new IllegalStateException(
@@ -168,13 +222,176 @@
         }
     }
 
+    /**
+     * Adds a listener interested in receiving updates on the RearDisplayPresentationStatus
+     * of the device. Because this is being called from the OEM provided
+     * extensions, the result of the listener will be posted on the executor
+     * provided by the developer at the initial call site.
+     *
+     * Rear display presentation mode is a feature where an {@link Activity} can present
+     * additional content on a device with a second display that is facing the same direction
+     * as the rear camera (i.e. the cover display on a fold-in style device). The calling
+     * {@link Activity} does not move, whereas in rear display mode it does.
+     *
+     * This listener receives a {@link Pair} with the first item being the
+     * {@link WindowAreaComponent.WindowAreaStatus} that corresponds to the current status of the
+     * feature, and the second being the {@link DisplayMetrics} of the display that would be
+     * presented to when the feature is active.
+     *
+     * Depending on the initial state of the device, the {@link Consumer} will receive either
+     * {@link WindowAreaComponent#STATUS_AVAILABLE} or
+     * {@link WindowAreaComponent#STATUS_UNAVAILABLE} for the status value of the {@link Pair} if
+     * the feature is supported or not in that state respectively. Rear display presentation mode is
+     * currently not supported when the device is folded. When the rear display presentation feature
+     * is triggered, the status is updated to be {@link WindowAreaComponent#STATUS_UNAVAILABLE}.
+     * TODO(b/240727590): Prefix with AREA_
+     *
+     * TODO(b/239833099): Add a STATUS_ACTIVE option to let apps know if a feature is currently
+     *  enabled.
+     *
+     * @param consumer {@link Consumer} interested in receiving updates to the status of
+     * rear display presentation mode.
+     */
     @Override
-    public void onBaseStateChanged(int state) {
+    public void addRearDisplayPresentationStatusListener(
+            @NonNull Consumer<ExtensionWindowAreaStatus> consumer) {
         synchronized (mLock) {
-            mCurrentDeviceBaseState = state;
-            if (state == mCurrentDeviceState) {
-                updateStatusConsumers(getCurrentStatus());
+            mRearDisplayPresentationStatusListeners.add(consumer);
+
+            // If current device state is still invalid, the initial value has not been provided
+            if (mCurrentDeviceState == INVALID_DEVICE_STATE) {
+                return;
             }
+            @WindowAreaStatus int currentStatus = getCurrentRearDisplayPresentationModeStatus();
+            consumer.accept(
+                    new RearDisplayPresentationStatus(currentStatus, getRearDisplayMetrics()));
+        }
+    }
+
+    /**
+     * Removes a listener no longer interested in receiving updates.
+     * @param consumer no longer interested in receiving updates to RearDisplayPresentationStatus
+     */
+    @Override
+    public void removeRearDisplayPresentationStatusListener(
+            @NonNull Consumer<ExtensionWindowAreaStatus> consumer) {
+        synchronized (mLock) {
+            mRearDisplayPresentationStatusListeners.remove(consumer);
+        }
+    }
+
+    /**
+     * Creates and starts a rear display presentation session and sends state updates to the
+     * consumer provided. This consumer will receive a constant represented by
+     * {@link WindowAreaSessionState} to represent the state of the current rear display
+     * session. It will be translated to a more friendly interface in the library.
+     *
+     * Because this is being called from the OEM provided extensions, the library
+     * will post the result of the listener on the executor provided by the developer.
+     *
+     * Rear display presentation mode refers to a feature where an {@link Activity} can present
+     * additional content on a device with a second display that is facing the same direction
+     * as the rear camera (i.e. the cover display on a fold-in style device). The calling
+     * {@link Activity} stays on the user-facing display.
+     *
+     * @param activity that the OEM implementation will use as a base
+     * context and to identify the source display area of the request.
+     * The reference to the activity instance must not be stored in the OEM
+     * implementation to prevent memory leaks.
+     * @param consumer to provide updates to the client on the status of the session
+     * @throws UnsupportedOperationException if this method is called when rear display presentation
+     * mode is not available. This could be to an incompatible device state or when
+     * another process is currently in this mode.
+     */
+    @Override
+    public void startRearDisplayPresentationSession(@NonNull Activity activity,
+            @NonNull Consumer<@WindowAreaSessionState Integer> consumer) {
+        synchronized (mLock) {
+            if (mRearDisplayPresentationController != null) {
+                // Rear display presentation session is already active
+                throw new IllegalStateException(
+                        "Unable to start new rear display presentation session as one is already "
+                                + "active");
+            }
+            if (getCurrentRearDisplayPresentationModeStatus()
+                    != WindowAreaComponent.STATUS_AVAILABLE) {
+                throw new IllegalStateException(
+                        "Unable to start new rear display presentation session as the feature is "
+                                + "is not currently available");
+            }
+
+            mRearDisplayPresentationController = new RearDisplayPresentationController(activity,
+                    stateStatus -> {
+                        synchronized (mLock) {
+                            if (stateStatus == SESSION_STATE_INACTIVE) {
+                                // If the last reported session status was VISIBLE
+                                // then the INVISIBLE state should be dispatched before INACTIVE
+                                // due to not having a good mechanism to know when
+                                // the content is no longer visible before it's fully removed
+                                if (getLastReportedRearDisplayPresentationStatus()
+                                        == SESSION_STATE_VISIBLE) {
+                                    consumer.accept(SESSION_STATE_INVISIBLE);
+                                }
+                                mRearDisplayPresentationController = null;
+                            }
+                            mLastReportedRearDisplayPresentationStatus = stateStatus;
+                            consumer.accept(stateStatus);
+                        }
+                    });
+
+            DeviceStateRequest concurrentDisplayStateRequest = DeviceStateRequest.newBuilder(
+                    mConcurrentDisplayState).build();
+            mDeviceStateManager.requestState(
+                    concurrentDisplayStateRequest,
+                    mExecutor,
+                    mRearDisplayPresentationController
+            );
+        }
+    }
+
+    /**
+     * Ends the current rear display presentation session and provides updates to the
+     * callback provided. When this is ended, the presented content from the calling
+     * {@link Activity} will also be removed from the rear facing display.
+     * Because this is being called from the OEM provided extensions, the result of the listener
+     * will be posted on the executor provided by the developer at the initial call site.
+     *
+     * Cancelling the {@link DeviceStateRequest} and exiting the rear display presentation state,
+     * will remove the presentation window from the cover display as the cover display is no longer
+     * enabled.
+     */
+    @Override
+    public void endRearDisplayPresentationSession() {
+        synchronized (mLock) {
+            if (mRearDisplayPresentationController != null) {
+                mDeviceStateManager.cancelStateRequest();
+            } else {
+                throw new IllegalStateException(
+                        "Unable to cancel a rear display presentation session as there is no "
+                                + "active session");
+            }
+        }
+    }
+
+    @Nullable
+    @Override
+    public ExtensionWindowAreaPresentation getRearDisplayPresentation() {
+        synchronized (mLock) {
+            ExtensionWindowAreaPresentation presentation = null;
+            if (mRearDisplayPresentationController != null) {
+                presentation = mRearDisplayPresentationController.getWindowAreaPresentation();
+            }
+            return presentation;
+        }
+    }
+
+    @Override
+    public void onSupportedStatesChanged(int[] supportedStates) {
+        synchronized (mLock) {
+            mCurrentSupportedDeviceStates = supportedStates;
+            updateRearDisplayStatusListeners(getCurrentRearDisplayModeStatus());
+            updateRearDisplayPresentationStatusListeners(
+                    getCurrentRearDisplayPresentationModeStatus());
         }
     }
 
@@ -182,34 +399,17 @@
     public void onStateChanged(int state) {
         synchronized (mLock) {
             mCurrentDeviceState = state;
-            updateStatusConsumers(getCurrentStatus());
+            updateRearDisplayStatusListeners(getCurrentRearDisplayModeStatus());
+            updateRearDisplayPresentationStatusListeners(
+                    getCurrentRearDisplayPresentationModeStatus());
         }
     }
 
-    @Override
-    public void addRearDisplayPresentationStatusListener(
-            @NonNull Consumer<ExtensionWindowAreaStatus> consumer) {}
-
-    @Override
-    public void removeRearDisplayPresentationStatusListener(
-            @NonNull Consumer<ExtensionWindowAreaStatus> consumer) {}
-
-    @Override
-    public void startRearDisplayPresentationSession(@NonNull Activity activity,
-            @NonNull Consumer<@WindowAreaSessionState Integer> consumer) {}
-
-    @Override
-    public void endRearDisplayPresentationSession() {}
-
-    @Override
-    @Nullable
-    public ExtensionWindowAreaPresentation getRearDisplayPresentation() {
-        return null;
-    }
 
     @GuardedBy("mLock")
-    private int getCurrentStatus() {
+    private int getCurrentRearDisplayModeStatus() {
         if (mRearDisplaySessionStatus == WindowAreaComponent.SESSION_STATE_ACTIVE
+                || !ArrayUtils.contains(mCurrentSupportedDeviceStates, mRearDisplayState)
                 || isRearDisplayActive()) {
             return WindowAreaComponent.STATUS_UNAVAILABLE;
         }
@@ -218,19 +418,20 @@
 
     /**
      * Helper method to determine if a rear display session is currently active by checking
-     * if the current device configuration matches that of rear display. This would be true
-     * if there is a device override currently active (base state != current state) and the current
-     * state is that which corresponds to {@code mRearDisplayState}
-     * @return {@code true} if the device is in rear display mode and {@code false} if not
+     * if the current device state is that which corresponds to {@code mRearDisplayState}.
+     *
+     * @return {@code true} if the device is in rear display state {@code false} if not
      */
     @GuardedBy("mLock")
     private boolean isRearDisplayActive() {
-        return (mCurrentDeviceState != mCurrentDeviceBaseState) && (mCurrentDeviceState
-                == mRearDisplayState);
+        return mCurrentDeviceState == mRearDisplayState;
     }
 
     @GuardedBy("mLock")
-    private void updateStatusConsumers(@WindowAreaStatus int windowAreaStatus) {
+    private void updateRearDisplayStatusListeners(@WindowAreaStatus int windowAreaStatus) {
+        if (mRearDisplayState == INVALID_DEVICE_STATE) {
+            return;
+        }
         synchronized (mLock) {
             for (int i = 0; i < mRearDisplayStatusListeners.size(); i++) {
                 mRearDisplayStatusListeners.valueAt(i).accept(windowAreaStatus);
@@ -238,26 +439,95 @@
         }
     }
 
+    @GuardedBy("mLock")
+    private int getCurrentRearDisplayPresentationModeStatus() {
+        if (mCurrentDeviceState == mConcurrentDisplayState
+                || !ArrayUtils.contains(mCurrentSupportedDeviceStates, mConcurrentDisplayState)
+                || isDeviceFolded()) {
+            return WindowAreaComponent.STATUS_UNAVAILABLE;
+        }
+        return WindowAreaComponent.STATUS_AVAILABLE;
+    }
+
+    @GuardedBy("mLock")
+    private boolean isDeviceFolded() {
+        return ArrayUtils.contains(mFoldedDeviceStates, mCurrentDeviceState);
+    }
+
+    @GuardedBy("mLock")
+    private void updateRearDisplayPresentationStatusListeners(
+            @WindowAreaStatus int windowAreaStatus) {
+        if (mConcurrentDisplayState == INVALID_DEVICE_STATE) {
+            return;
+        }
+        RearDisplayPresentationStatus consumerValue = new RearDisplayPresentationStatus(
+                windowAreaStatus, getRearDisplayMetrics());
+        synchronized (mLock) {
+            for (int i = 0; i < mRearDisplayPresentationStatusListeners.size(); i++) {
+                mRearDisplayPresentationStatusListeners.valueAt(i).accept(consumerValue);
+            }
+        }
+    }
+
+    /**
+     * Returns the{@link DisplayMetrics} associated with the rear facing display. If the rear facing
+     * display was not found in the display list, but we have already computed the
+     * {@link DisplayMetrics} for that display, we return the cached value.
+     *
+     * TODO(b/267563768): Update with guidance from Display team for missing displays.
+     *
+     * @throws IllegalArgumentException if the display is not found and there is no cached
+     * {@link DisplayMetrics} for this display.
+     */
+    @GuardedBy("mLock")
+    private DisplayMetrics getRearDisplayMetrics() {
+        Display[] displays = mDisplayManager.getDisplays(
+                DisplayManager.DISPLAY_CATEGORY_ALL_INCLUDING_DISABLED);
+        for (int i = 0; i < displays.length; i++) {
+            DisplayAddress.Physical address =
+                    (DisplayAddress.Physical) displays[i].getAddress();
+            if (mRearDisplayAddress == address.getPhysicalDisplayId()) {
+                if (mRearDisplayMetrics == null) {
+                    mRearDisplayMetrics = new DisplayMetrics();
+                }
+                displays[i].getRealMetrics(mRearDisplayMetrics);
+                return mRearDisplayMetrics;
+            }
+        }
+        if (mRearDisplayMetrics != null) {
+            return mRearDisplayMetrics;
+        } else {
+            throw new IllegalArgumentException(
+                    "No display found with the provided display address");
+        }
+    }
+
+    @GuardedBy("mLock")
+    @WindowAreaSessionState
+    private int getLastReportedRearDisplayPresentationStatus() {
+        return mLastReportedRearDisplayPresentationStatus;
+    }
+
     /**
      * Callback for the {@link DeviceStateRequest} to be notified of when the request has been
      * activated or cancelled. This callback provides information to the client library
      * on the status of the RearDisplay session through {@code mRearDisplaySessionCallback}
      */
-    private class DeviceStateRequestCallbackAdapter implements DeviceStateRequest.Callback {
+    private class RearDisplayStateRequestCallbackAdapter implements DeviceStateRequest.Callback {
 
         private final Consumer<Integer> mRearDisplaySessionCallback;
 
-        DeviceStateRequestCallbackAdapter(@NonNull Consumer<Integer> callback) {
+        RearDisplayStateRequestCallbackAdapter(@NonNull Consumer<Integer> callback) {
             mRearDisplaySessionCallback = callback;
         }
 
         @Override
         public void onRequestActivated(@NonNull DeviceStateRequest request) {
             synchronized (mLock) {
-                if (request.equals(mDeviceStateRequest)) {
+                if (request.equals(mRearDisplayStateRequest)) {
                     mRearDisplaySessionStatus = WindowAreaComponent.SESSION_STATE_ACTIVE;
                     mRearDisplaySessionCallback.accept(mRearDisplaySessionStatus);
-                    updateStatusConsumers(getCurrentStatus());
+                    updateRearDisplayStatusListeners(getCurrentRearDisplayModeStatus());
                 }
             }
         }
@@ -265,12 +535,12 @@
         @Override
         public void onRequestCanceled(DeviceStateRequest request) {
             synchronized (mLock) {
-                if (request.equals(mDeviceStateRequest)) {
-                    mDeviceStateRequest = null;
+                if (request.equals(mRearDisplayStateRequest)) {
+                    mRearDisplayStateRequest = null;
                 }
                 mRearDisplaySessionStatus = WindowAreaComponent.SESSION_STATE_INACTIVE;
                 mRearDisplaySessionCallback.accept(mRearDisplaySessionStatus);
-                updateStatusConsumers(getCurrentStatus());
+                updateRearDisplayStatusListeners(getCurrentRearDisplayModeStatus());
             }
         }
     }
diff --git a/libs/WindowManager/Jetpack/window-extensions-release.aar b/libs/WindowManager/Jetpack/window-extensions-release.aar
index 378ad81..9596c22 100644
--- a/libs/WindowManager/Jetpack/window-extensions-release.aar
+++ b/libs/WindowManager/Jetpack/window-extensions-release.aar
Binary files differ
diff --git a/libs/WindowManager/Shell/src/com/android/wm/shell/pip/PipAnimationController.java b/libs/WindowManager/Shell/src/com/android/wm/shell/pip/PipAnimationController.java
index 6728c00..d9ac76e 100644
--- a/libs/WindowManager/Shell/src/com/android/wm/shell/pip/PipAnimationController.java
+++ b/libs/WindowManager/Shell/src/com/android/wm/shell/pip/PipAnimationController.java
@@ -28,6 +28,7 @@
 import android.annotation.NonNull;
 import android.app.TaskInfo;
 import android.content.Context;
+import android.content.pm.ActivityInfo;
 import android.graphics.Rect;
 import android.view.Surface;
 import android.view.SurfaceControl;
@@ -361,22 +362,26 @@
         }
 
         void setColorContentOverlay(Context context) {
-            final SurfaceControl.Transaction tx =
-                    mSurfaceControlTransactionFactory.getTransaction();
-            if (mContentOverlay != null) {
-                mContentOverlay.detach(tx);
-            }
-            mContentOverlay = new PipContentOverlay.PipColorOverlay(context);
-            mContentOverlay.attach(tx, mLeash);
+            reattachContentOverlay(new PipContentOverlay.PipColorOverlay(context));
         }
 
         void setSnapshotContentOverlay(TaskSnapshot snapshot, Rect sourceRectHint) {
+            reattachContentOverlay(
+                    new PipContentOverlay.PipSnapshotOverlay(snapshot, sourceRectHint));
+        }
+
+        void setAppIconContentOverlay(Context context, Rect bounds, ActivityInfo activityInfo) {
+            reattachContentOverlay(
+                    new PipContentOverlay.PipAppIconOverlay(context, bounds, activityInfo));
+        }
+
+        private void reattachContentOverlay(PipContentOverlay overlay) {
             final SurfaceControl.Transaction tx =
                     mSurfaceControlTransactionFactory.getTransaction();
             if (mContentOverlay != null) {
                 mContentOverlay.detach(tx);
             }
-            mContentOverlay = new PipContentOverlay.PipSnapshotOverlay(snapshot, sourceRectHint);
+            mContentOverlay = overlay;
             mContentOverlay.attach(tx, mLeash);
         }
 
@@ -570,8 +575,9 @@
                     final Rect base = getBaseValue();
                     final Rect start = getStartValue();
                     final Rect end = getEndValue();
+                    Rect bounds = mRectEvaluator.evaluate(fraction, start, end);
                     if (mContentOverlay != null) {
-                        mContentOverlay.onAnimationUpdate(tx, fraction);
+                        mContentOverlay.onAnimationUpdate(tx, bounds, fraction);
                     }
                     if (rotatedEndRect != null) {
                         // Animate the bounds in a different orientation. It only happens when
@@ -579,7 +585,6 @@
                         applyRotation(tx, leash, fraction, start, end);
                         return;
                     }
-                    Rect bounds = mRectEvaluator.evaluate(fraction, start, end);
                     float angle = (1.0f - fraction) * startingAngle;
                     setCurrentValue(bounds);
                     if (inScaleTransition() || sourceHintRect == null) {
diff --git a/libs/WindowManager/Shell/src/com/android/wm/shell/pip/PipContentOverlay.java b/libs/WindowManager/Shell/src/com/android/wm/shell/pip/PipContentOverlay.java
index 283b1ec..480bf93 100644
--- a/libs/WindowManager/Shell/src/com/android/wm/shell/pip/PipContentOverlay.java
+++ b/libs/WindowManager/Shell/src/com/android/wm/shell/pip/PipContentOverlay.java
@@ -16,11 +16,21 @@
 
 package com.android.wm.shell.pip;
 
+import static android.util.TypedValue.COMPLEX_UNIT_DIP;
+
 import android.annotation.Nullable;
 import android.content.Context;
+import android.content.pm.ActivityInfo;
+import android.content.pm.PackageManager;
+import android.content.res.Resources;
 import android.content.res.TypedArray;
+import android.graphics.Bitmap;
+import android.graphics.Canvas;
 import android.graphics.Color;
+import android.graphics.Matrix;
 import android.graphics.Rect;
+import android.graphics.drawable.Drawable;
+import android.util.TypedValue;
 import android.view.SurfaceControl;
 import android.view.SurfaceSession;
 import android.window.TaskSnapshot;
@@ -51,9 +61,11 @@
      * Animates the internal {@link #mLeash} by a given fraction.
      * @param atomicTx {@link SurfaceControl.Transaction} to operate, you should not explicitly
      *                 call apply on this transaction, it should be applied on the caller side.
+     * @param currentBounds {@link Rect} of the current animation bounds.
      * @param fraction progress of the animation ranged from 0f to 1f.
      */
-    public abstract void onAnimationUpdate(SurfaceControl.Transaction atomicTx, float fraction);
+    public abstract void onAnimationUpdate(SurfaceControl.Transaction atomicTx,
+            Rect currentBounds, float fraction);
 
     /**
      * Callback when reaches the end of animation on the internal {@link #mLeash}.
@@ -66,13 +78,15 @@
 
     /** A {@link PipContentOverlay} uses solid color. */
     public static final class PipColorOverlay extends PipContentOverlay {
+        private static final String TAG = PipColorOverlay.class.getSimpleName();
+
         private final Context mContext;
 
         public PipColorOverlay(Context context) {
             mContext = context;
             mLeash = new SurfaceControl.Builder(new SurfaceSession())
-                    .setCallsite("PipAnimation")
-                    .setName(PipColorOverlay.class.getSimpleName())
+                    .setCallsite(TAG)
+                    .setName(TAG)
                     .setColorLayer()
                     .build();
         }
@@ -88,7 +102,8 @@
         }
 
         @Override
-        public void onAnimationUpdate(SurfaceControl.Transaction atomicTx, float fraction) {
+        public void onAnimationUpdate(SurfaceControl.Transaction atomicTx,
+                Rect currentBounds, float fraction) {
             atomicTx.setAlpha(mLeash, fraction < 0.5f ? 0 : (fraction - 0.5f) * 2);
         }
 
@@ -114,6 +129,8 @@
 
     /** A {@link PipContentOverlay} uses {@link TaskSnapshot}. */
     public static final class PipSnapshotOverlay extends PipContentOverlay {
+        private static final String TAG = PipSnapshotOverlay.class.getSimpleName();
+
         private final TaskSnapshot mSnapshot;
         private final Rect mSourceRectHint;
 
@@ -121,8 +138,8 @@
             mSnapshot = snapshot;
             mSourceRectHint = new Rect(sourceRectHint);
             mLeash = new SurfaceControl.Builder(new SurfaceSession())
-                    .setCallsite("PipAnimation")
-                    .setName(PipSnapshotOverlay.class.getSimpleName())
+                    .setCallsite(TAG)
+                    .setName(TAG)
                     .build();
         }
 
@@ -143,7 +160,8 @@
         }
 
         @Override
-        public void onAnimationUpdate(SurfaceControl.Transaction atomicTx, float fraction) {
+        public void onAnimationUpdate(SurfaceControl.Transaction atomicTx,
+                Rect currentBounds, float fraction) {
             // Do nothing. Keep the snapshot till animation ends.
         }
 
@@ -152,4 +170,113 @@
             atomicTx.remove(mLeash);
         }
     }
+
+    /** A {@link PipContentOverlay} shows app icon on solid color background. */
+    public static final class PipAppIconOverlay extends PipContentOverlay {
+        private static final String TAG = PipAppIconOverlay.class.getSimpleName();
+        private static final int APP_ICON_SIZE_DP = 48;
+
+        private final Context mContext;
+        private final int mAppIconSizePx;
+        private final Rect mAppBounds;
+        private final Matrix mTmpTransform = new Matrix();
+        private final float[] mTmpFloat9 = new float[9];
+
+        private Bitmap mBitmap;
+
+        public PipAppIconOverlay(Context context, Rect appBounds, ActivityInfo activityInfo) {
+            mContext = context;
+            mAppIconSizePx = (int) TypedValue.applyDimension(COMPLEX_UNIT_DIP, APP_ICON_SIZE_DP,
+                    context.getResources().getDisplayMetrics());
+            mAppBounds = new Rect(appBounds);
+            mBitmap = Bitmap.createBitmap(appBounds.width(), appBounds.height(),
+                    Bitmap.Config.ARGB_8888);
+            prepareAppIconOverlay(activityInfo);
+            mLeash = new SurfaceControl.Builder(new SurfaceSession())
+                    .setCallsite(TAG)
+                    .setName(TAG)
+                    .build();
+        }
+
+        @Override
+        public void attach(SurfaceControl.Transaction tx, SurfaceControl parentLeash) {
+            tx.show(mLeash);
+            tx.setLayer(mLeash, Integer.MAX_VALUE);
+            tx.setBuffer(mLeash, mBitmap.getHardwareBuffer());
+            tx.reparent(mLeash, parentLeash);
+            tx.apply();
+        }
+
+        @Override
+        public void onAnimationUpdate(SurfaceControl.Transaction atomicTx,
+                Rect currentBounds, float fraction) {
+            mTmpTransform.reset();
+            // Scale back the bitmap with the pivot point at center.
+            mTmpTransform.postScale(
+                    (float) mAppBounds.width() / currentBounds.width(),
+                    (float) mAppBounds.height() / currentBounds.height(),
+                    mAppBounds.centerX(),
+                    mAppBounds.centerY());
+            atomicTx.setMatrix(mLeash, mTmpTransform, mTmpFloat9)
+                    .setAlpha(mLeash, fraction < 0.5f ? 0 : (fraction - 0.5f) * 2);
+        }
+
+        @Override
+        public void onAnimationEnd(SurfaceControl.Transaction atomicTx, Rect destinationBounds) {
+            atomicTx.remove(mLeash);
+        }
+
+        @Override
+        public void detach(SurfaceControl.Transaction tx) {
+            super.detach(tx);
+            if (mBitmap != null && !mBitmap.isRecycled()) {
+                mBitmap.recycle();
+            }
+        }
+
+        private void prepareAppIconOverlay(ActivityInfo activityInfo) {
+            final Canvas canvas = new Canvas();
+            canvas.setBitmap(mBitmap);
+            final TypedArray ta = mContext.obtainStyledAttributes(new int[] {
+                    android.R.attr.colorBackground });
+            try {
+                int colorAccent = ta.getColor(0, 0);
+                canvas.drawRGB(
+                        Color.red(colorAccent),
+                        Color.green(colorAccent),
+                        Color.blue(colorAccent));
+            } finally {
+                ta.recycle();
+            }
+            final Drawable appIcon = loadActivityInfoIcon(activityInfo,
+                    mContext.getResources().getConfiguration().densityDpi);
+            final Rect appIconBounds = new Rect(
+                    mAppBounds.centerX() - mAppIconSizePx / 2,
+                    mAppBounds.centerY() - mAppIconSizePx / 2,
+                    mAppBounds.centerX() + mAppIconSizePx / 2,
+                    mAppBounds.centerY() + mAppIconSizePx / 2);
+            appIcon.setBounds(appIconBounds);
+            appIcon.draw(canvas);
+            mBitmap = mBitmap.copy(Bitmap.Config.HARDWARE, false /* mutable */);
+        }
+
+        // Copied from com.android.launcher3.icons.IconProvider#loadActivityInfoIcon
+        private Drawable loadActivityInfoIcon(ActivityInfo ai, int density) {
+            final int iconRes = ai.getIconResource();
+            Drawable icon = null;
+            // Get the preferred density icon from the app's resources
+            if (density != 0 && iconRes != 0) {
+                try {
+                    final Resources resources = mContext.getPackageManager()
+                            .getResourcesForApplication(ai.applicationInfo);
+                    icon = resources.getDrawableForDensity(iconRes, density);
+                } catch (PackageManager.NameNotFoundException | Resources.NotFoundException exc) { }
+            }
+            // Get the default density icon
+            if (icon == null) {
+                icon = ai.loadIcon(mContext.getPackageManager());
+            }
+            return icon;
+        }
+    }
 }
diff --git a/libs/WindowManager/Shell/src/com/android/wm/shell/pip/PipTaskOrganizer.java b/libs/WindowManager/Shell/src/com/android/wm/shell/pip/PipTaskOrganizer.java
index 8ba2583..aad27b9 100644
--- a/libs/WindowManager/Shell/src/com/android/wm/shell/pip/PipTaskOrganizer.java
+++ b/libs/WindowManager/Shell/src/com/android/wm/shell/pip/PipTaskOrganizer.java
@@ -62,6 +62,7 @@
 import android.graphics.Rect;
 import android.os.RemoteException;
 import android.os.SystemClock;
+import android.os.SystemProperties;
 import android.util.Log;
 import android.view.Choreographer;
 import android.view.Display;
@@ -1568,7 +1569,13 @@
             // Similar to auto-enter-pip transition, we use content overlay when there is no
             // source rect hint to enter PiP use bounds animation.
             if (sourceHintRect == null) {
-                animator.setColorContentOverlay(mContext);
+                if (SystemProperties.getBoolean(
+                        "persist.wm.debug.enable_pip_app_icon_overlay", false)) {
+                    animator.setAppIconContentOverlay(
+                            mContext, currentBounds, mTaskInfo.topActivityInfo);
+                } else {
+                    animator.setColorContentOverlay(mContext);
+                }
             } else {
                 final TaskSnapshot snapshot = PipUtils.getTaskSnapshot(
                         mTaskInfo.launchIntoPipHostTaskId, false /* isLowResolution */);
diff --git a/libs/WindowManager/Shell/src/com/android/wm/shell/pip/PipTransition.java b/libs/WindowManager/Shell/src/com/android/wm/shell/pip/PipTransition.java
index 83158ff..d9d1009 100644
--- a/libs/WindowManager/Shell/src/com/android/wm/shell/pip/PipTransition.java
+++ b/libs/WindowManager/Shell/src/com/android/wm/shell/pip/PipTransition.java
@@ -50,6 +50,7 @@
 import android.graphics.Point;
 import android.graphics.Rect;
 import android.os.IBinder;
+import android.os.SystemProperties;
 import android.view.Surface;
 import android.view.SurfaceControl;
 import android.view.WindowManager;
@@ -792,7 +793,13 @@
             if (sourceHintRect == null) {
                 // We use content overlay when there is no source rect hint to enter PiP use bounds
                 // animation.
-                animator.setColorContentOverlay(mContext);
+                if (SystemProperties.getBoolean(
+                        "persist.wm.debug.enable_pip_app_icon_overlay", false)) {
+                    animator.setAppIconContentOverlay(
+                            mContext, currentBounds, taskInfo.topActivityInfo);
+                } else {
+                    animator.setColorContentOverlay(mContext);
+                }
             }
         } else if (mOneShotAnimationType == ANIM_TYPE_ALPHA) {
             animator = mPipAnimationController.getAnimator(taskInfo, leash, destinationBounds,
diff --git a/libs/WindowManager/Shell/src/com/android/wm/shell/splitscreen/StageCoordinator.java b/libs/WindowManager/Shell/src/com/android/wm/shell/splitscreen/StageCoordinator.java
index 39cf5f1..9624ae9 100644
--- a/libs/WindowManager/Shell/src/com/android/wm/shell/splitscreen/StageCoordinator.java
+++ b/libs/WindowManager/Shell/src/com/android/wm/shell/splitscreen/StageCoordinator.java
@@ -2108,7 +2108,7 @@
 
             // Use normal animations.
             return false;
-        } else if (mMixedHandler != null && hasDisplayChange(info)) {
+        } else if (mMixedHandler != null && Transitions.hasDisplayChange(info)) {
             // A display-change has been un-expectedly inserted into the transition. Redirect
             // handling to the mixed-handler to deal with splitting it up.
             if (mMixedHandler.animatePendingSplitWithDisplayChange(transition, info,
@@ -2151,15 +2151,6 @@
         return true;
     }
 
-    private boolean hasDisplayChange(TransitionInfo info) {
-        boolean has = false;
-        for (int iC = 0; iC < info.getChanges().size() && !has; ++iC) {
-            final TransitionInfo.Change change = info.getChanges().get(iC);
-            has = change.getMode() == TRANSIT_CHANGE && (change.getFlags() & FLAG_IS_DISPLAY) != 0;
-        }
-        return has;
-    }
-
     /** Called to clean-up state and do house-keeping after the animation is done. */
     public void onTransitionAnimationComplete() {
         // If still playing, let it finish.
diff --git a/libs/WindowManager/Shell/src/com/android/wm/shell/transition/RemoteTransitionHandler.java b/libs/WindowManager/Shell/src/com/android/wm/shell/transition/RemoteTransitionHandler.java
index b4e0584..02f19eb 100644
--- a/libs/WindowManager/Shell/src/com/android/wm/shell/transition/RemoteTransitionHandler.java
+++ b/libs/WindowManager/Shell/src/com/android/wm/shell/transition/RemoteTransitionHandler.java
@@ -93,6 +93,11 @@
             @NonNull SurfaceControl.Transaction startTransaction,
             @NonNull SurfaceControl.Transaction finishTransaction,
             @NonNull Transitions.TransitionFinishCallback finishCallback) {
+        if (!Transitions.SHELL_TRANSITIONS_ROTATION && Transitions.hasDisplayChange(info)) {
+            // Note that if the remote doesn't have permission ACCESS_SURFACE_FLINGER, some
+            // operations of the start transaction may be ignored.
+            return false;
+        }
         RemoteTransition pendingRemote = mRequestedRemotes.get(transition);
         if (pendingRemote == null) {
             ProtoLog.v(ShellProtoLogGroup.WM_SHELL_TRANSITIONS, "Transition %s doesn't have "
diff --git a/libs/WindowManager/Shell/src/com/android/wm/shell/transition/Transitions.java b/libs/WindowManager/Shell/src/com/android/wm/shell/transition/Transitions.java
index 44d6a0d..b2f61c2 100644
--- a/libs/WindowManager/Shell/src/com/android/wm/shell/transition/Transitions.java
+++ b/libs/WindowManager/Shell/src/com/android/wm/shell/transition/Transitions.java
@@ -24,6 +24,7 @@
 import static android.view.WindowManager.TRANSIT_TO_BACK;
 import static android.view.WindowManager.TRANSIT_TO_FRONT;
 import static android.view.WindowManager.fixScale;
+import static android.window.TransitionInfo.FLAG_IS_DISPLAY;
 import static android.window.TransitionInfo.FLAG_IS_OCCLUDED;
 import static android.window.TransitionInfo.FLAG_IS_WALLPAPER;
 import static android.window.TransitionInfo.FLAG_NO_ANIMATION;
@@ -328,6 +329,17 @@
         return type == TRANSIT_CLOSE || type == TRANSIT_TO_BACK;
     }
 
+    /** Returns {@code true} if the transition has a display change. */
+    public static boolean hasDisplayChange(@NonNull TransitionInfo info) {
+        for (int i = info.getChanges().size() - 1; i >= 0; --i) {
+            final TransitionInfo.Change change = info.getChanges().get(i);
+            if (change.getMode() == TRANSIT_CHANGE && change.hasFlags(FLAG_IS_DISPLAY)) {
+                return true;
+            }
+        }
+        return false;
+    }
+
     /**
      * Sets up visibility/alpha/transforms to resemble the starting state of an animation.
      */
diff --git a/media/java/android/media/tv/AdBuffer.java b/media/java/android/media/tv/AdBuffer.java
index ed44508..230d763 100644
--- a/media/java/android/media/tv/AdBuffer.java
+++ b/media/java/android/media/tv/AdBuffer.java
@@ -24,9 +24,8 @@
 
 /**
  * Buffer for advertisement data.
- * @hide
  */
-public class AdBuffer implements Parcelable {
+public final class AdBuffer implements Parcelable {
     private final int mId;
     @NonNull
     private final String mMimeType;
@@ -60,6 +59,8 @@
 
     /**
      * Gets corresponding AD request ID.
+     *
+     * @return The ID of the ad request
      */
     public int getId() {
         return mId;
@@ -67,6 +68,8 @@
 
     /**
      * Gets the mime type of the data.
+     *
+     * @return The mime type of the data.
      */
     @NonNull
     public String getMimeType() {
@@ -74,7 +77,17 @@
     }
 
     /**
-     * Gets the shared memory which stores the data.
+     * Gets the {@link SharedMemory} which stores the data.
+     *
+     * <p> Information on how the data in this buffer is formatted can be found using
+     * {@link AdRequest#getMetadata()}
+     * <p> This data lives in a {@link SharedMemory} instance because of the
+     * potentially large amount of data needed to store the ad. This optimizes the
+     * data communication between the ad data source and the service responsible for
+     * its display.
+     *
+     * @see SharedMemory#create(String, int)
+     * @return The {@link SharedMemory} that stores the data for this ad buffer.
      */
     @NonNull
     public SharedMemory getSharedMemory() {
@@ -82,28 +95,38 @@
     }
 
     /**
-     * Gets the offset of the buffer.
+     * Gets the offset into the shared memory to begin mapping.
+     *
+     * @see SharedMemory#map(int, int, int)
+     * @return The offset of this ad buffer in the shared memory in bytes.
      */
     public int getOffset() {
         return mOffset;
     }
 
     /**
-     * Gets the data length.
+     * Gets the data length of this ad buffer.
+     *
+     * @return The data length of this ad buffer in bytes.
      */
     public int getLength() {
         return mLength;
     }
 
     /**
-     * Gets the presentation time in microseconds.
+     * Gets the presentation time.
+     *
+     * @return The presentation time in microseconds.
      */
     public long getPresentationTimeUs() {
         return mPresentationTimeUs;
     }
 
     /**
-     * Gets the flags.
+     * Gets the buffer flags for this ad buffer.
+     *
+     * @see android.media.MediaCodec
+     * @return The buffer flags for this ad buffer.
      */
     @BufferFlag
     public int getFlags() {
diff --git a/media/java/android/media/tv/AdRequest.java b/media/java/android/media/tv/AdRequest.java
index 60dfc5e..d8cddfc 100644
--- a/media/java/android/media/tv/AdRequest.java
+++ b/media/java/android/media/tv/AdRequest.java
@@ -79,7 +79,6 @@
                 mediaFileType, metadata);
     }
 
-    /** @hide */
     public AdRequest(int id, @RequestType int requestType, @Nullable Uri uri, long startTime,
             long stopTime, long echoInterval, @NonNull Bundle metadata) {
         this(id, requestType, null, uri, startTime, stopTime, echoInterval, null, metadata);
@@ -153,7 +152,6 @@
      *
      * @return The URI of the AD media. Can be {@code null} for {@link #REQUEST_TYPE_STOP} or a file
      *         descriptor is used.
-     * @hide
      */
     @Nullable
     public Uri getUri() {
diff --git a/media/java/android/media/tv/AdResponse.java b/media/java/android/media/tv/AdResponse.java
index a15e8c1..7ec4eb2 100644
--- a/media/java/android/media/tv/AdResponse.java
+++ b/media/java/android/media/tv/AdResponse.java
@@ -43,7 +43,6 @@
     public static final int RESPONSE_TYPE_FINISHED = 2;
     public static final int RESPONSE_TYPE_STOPPED = 3;
     public static final int RESPONSE_TYPE_ERROR = 4;
-    /** @hide */
     public static final int RESPONSE_TYPE_BUFFERING = 5;
 
     public static final @NonNull Parcelable.Creator<AdResponse> CREATOR =
diff --git a/media/java/android/media/tv/TvInputService.java b/media/java/android/media/tv/TvInputService.java
index 7a4d988d..8166114 100644
--- a/media/java/android/media/tv/TvInputService.java
+++ b/media/java/android/media/tv/TvInputService.java
@@ -1005,9 +1005,10 @@
 
         /**
          * Notifies the advertisement buffer is consumed.
-         * @hide
+         *
+         * @param buffer the {@link AdBuffer} that was consumed.
          */
-        public void notifyAdBufferConsumed(AdBuffer buffer) {
+        public void notifyAdBufferConsumed(@NonNull AdBuffer buffer) {
             executeOrPostRunnableOnMainThread(new Runnable() {
                 @MainThread
                 @Override
@@ -1320,10 +1321,11 @@
         }
 
         /**
-         * Called when advertisement buffer is ready.
-         * @hide
+         * Called when an advertisement buffer is ready for playback.
+         *
+         * @param buffer The {@link AdBuffer} that became ready for playback.
          */
-        public void onAdBuffer(AdBuffer buffer) {
+        public void onAdBuffer(@NonNull AdBuffer buffer) {
         }
 
         /**
diff --git a/media/java/android/media/tv/interactive/TvInteractiveAppService.java b/media/java/android/media/tv/interactive/TvInteractiveAppService.java
index cdaa3e5..8b85fa1 100755
--- a/media/java/android/media/tv/interactive/TvInteractiveAppService.java
+++ b/media/java/android/media/tv/interactive/TvInteractiveAppService.java
@@ -896,10 +896,10 @@
 
         /**
          * Called when an advertisement buffer is consumed.
-         * @hide
+         *
+         * @param buffer The {@link AdBuffer} that was consumed.
          */
-        public void onAdBufferConsumed(AdBuffer buffer) {
-
+        public void onAdBufferConsumed(@NonNull AdBuffer buffer) {
         }
 
         /**
@@ -1919,10 +1919,11 @@
 
         /**
          * Notifies when the advertisement buffer is filled and ready to be read.
-         * @hide
+         *
+         * @param buffer The {@link AdBuffer} to be received
          */
         @CallSuper
-        public void notifyAdBuffer(AdBuffer buffer) {
+        public void notifyAdBuffer(@NonNull AdBuffer buffer) {
             executeOrPostRunnableOnMainThread(new Runnable() {
                 @MainThread
                 @Override
diff --git a/packages/CompanionDeviceManager/res/layout/list_item_permission.xml b/packages/CompanionDeviceManager/res/layout/list_item_permission.xml
index ab2d815..6c463e1 100644
--- a/packages/CompanionDeviceManager/res/layout/list_item_permission.xml
+++ b/packages/CompanionDeviceManager/res/layout/list_item_permission.xml
@@ -22,7 +22,7 @@
               android:orientation="horizontal"
               android:paddingStart="32dp"
               android:paddingEnd="32dp"
-              android:paddingBottom="14dp">
+              android:paddingTop="12dp">
 
     <ImageView
         android:id="@+id/permission_icon"
diff --git a/packages/CompanionDeviceManager/res/values/strings.xml b/packages/CompanionDeviceManager/res/values/strings.xml
index 7397688..b842761 100644
--- a/packages/CompanionDeviceManager/res/values/strings.xml
+++ b/packages/CompanionDeviceManager/res/values/strings.xml
@@ -20,7 +20,7 @@
     <string name="app_label">Companion Device Manager</string>
 
     <!-- Title of the device association confirmation dialog. -->
-    <string name="confirmation_title">Allow &lt;strong&gt;<xliff:g id="app_name" example="Android Wear">%1$s</xliff:g>&lt;/strong&gt; to access your &lt;strong&gt;<xliff:g id="device_name" example="ASUS ZenWatch 2">%2$s</xliff:g>&lt;/strong&gt;</string>
+    <string name="confirmation_title">Allow &lt;strong&gt;<xliff:g id="app_name" example="Android Wear">%1$s</xliff:g>&lt;/strong&gt; to access &lt;strong&gt;<xliff:g id="device_name" example="ASUS ZenWatch 2">%2$s</xliff:g>&lt;/strong&gt;</string>
 
     <!-- ================= DEVICE_PROFILE_WATCH and null profile ================= -->
 
@@ -31,10 +31,10 @@
     <string name="chooser_title">Choose a <xliff:g id="profile_name" example="watch">%1$s</xliff:g> to be managed by &lt;strong&gt;<xliff:g id="app_name" example="Android Wear">%2$s</xliff:g>&lt;/strong&gt;</string>
 
     <!-- Description of the privileges the application will get if associated with the companion device of WATCH profile (type) [CHAR LIMIT=NONE] -->
-    <string name="summary_watch">The app is needed to manage your <xliff:g id="device_name" example="My Watch">%1$s</xliff:g>. <xliff:g id="app_name" example="Android Wear">%2$s</xliff:g> will be allowed to interact with your notifications and access your Phone, SMS, Contacts, Calendar, Call logs and Nearby devices permissions.</string>
+    <string name="summary_watch">The app is needed to manage your <xliff:g id="device_name" example="My Watch">%1$s</xliff:g>. <xliff:g id="app_name" example="Android Wear">%2$s</xliff:g> will be allowed to sync info, like the name of someone calling, interact with your notifications and access your Phone, SMS, Contacts, Calendar, Call logs and Nearby devices permissions.</string>
 
     <!-- Description of the privileges the application will get if associated with the companion device of WATCH profile for singleDevice(type) [CHAR LIMIT=NONE] -->
-    <string name="summary_watch_single_device">The app is needed to manage your <xliff:g id="device_name" example="My Watch">%1$s</xliff:g>. <xliff:g id="app_name" example="Android Wear">%2$s</xliff:g> will be allowed to interact with these permissions:</string>
+    <string name="summary_watch_single_device">The app is needed to manage your <xliff:g id="device_name" example="My Watch">%1$s</xliff:g>. <xliff:g id="app_name" example="Android Wear">%2$s</xliff:g> will be allowed to sync info, like the name of someone calling, and access these permissions:</string>
 
     <!-- TODO(b/256140614) To replace all glasses related strings with final versions -->
     <!-- ================= DEVICE_PROFILE_GLASSES ================= -->
@@ -43,10 +43,10 @@
     <string name="profile_name_glasses">glasses</string>
 
     <!-- Description of the privileges the application will get if associated with the companion device of GLASSES profile (type) [CHAR LIMIT=NONE] -->
-    <string name="summary_glasses">This app is needed to manage your <xliff:g id="device_name" example="My Glasses">%1$s</xliff:g>. <xliff:g id="app_name" example="Glasses">%2$s</xliff:g> will be allowed to interact with your notifications and access your Phone, SMS, Contacts, Microphone and Nearby devices permissions.</string>
+    <string name="summary_glasses">This app is needed to manage <xliff:g id="device_name" example="My Glasses">%1$s</xliff:g>. <xliff:g id="app_name" example="Glasses">%2$s</xliff:g> will be allowed to interact with your notifications and access your Phone, SMS, Contacts, Microphone and Nearby devices permissions.</string>
 
     <!-- Description of the privileges the application will get if associated with the companion device of GLASSES profile for singleDevice(type) [CHAR LIMIT=NONE] -->
-    <string name="summary_glasses_single_device">The app is needed to manage your <xliff:g id="device_name" example="My Glasses">%1$s</xliff:g>. <xliff:g id="app_name" example="Glasses">%2$s</xliff:g> will be allowed to interact with these permissions:</string>
+    <string name="summary_glasses_single_device">The app is needed to manage <xliff:g id="device_name" example="My Glasses">%1$s</xliff:g>. <xliff:g id="app_name" example="Glasses">%2$s</xliff:g> will be allowed to interact with these permissions:</string>
 
     <!-- ================= DEVICE_PROFILE_APP_STREAMING ================= -->
 
@@ -99,7 +99,10 @@
     <string name="profile_name_generic">device</string>
 
     <!-- Description of the privileges the application will get if associated with the companion device of unspecified profile (type) [CHAR LIMIT=NONE] -->
-    <string name="summary_generic"></string>
+    <string name="summary_generic_single_device">This app will be able to sync info, like the name of someone calling, between your phone and <xliff:g id="device_name" example="My Watch">%1$s</xliff:g>.</string>
+
+    <!-- Description of the privileges the application will get if associated with the companion device of unspecified profile (type) [CHAR LIMIT=NONE] -->
+    <string name="summary_generic">This app will be able to sync info, like the name of someone calling, between your phone and the chosen device.</string>
 
     <!-- ================= Buttons ================= -->
 
diff --git a/packages/CompanionDeviceManager/src/com/android/companiondevicemanager/CompanionDeviceActivity.java b/packages/CompanionDeviceManager/src/com/android/companiondevicemanager/CompanionDeviceActivity.java
index c5ed5c9..918f9c6 100644
--- a/packages/CompanionDeviceManager/src/com/android/companiondevicemanager/CompanionDeviceActivity.java
+++ b/packages/CompanionDeviceManager/src/com/android/companiondevicemanager/CompanionDeviceActivity.java
@@ -546,17 +546,16 @@
         }
 
         if (deviceProfile == null) {
-            // Summary is not needed for null profile.
-            mSummary.setVisibility(View.GONE);
+            summary = getHtmlFromResources(this, SUMMARIES.get(null), deviceName);
             mConstraintList.setVisibility(View.GONE);
         } else {
+            summary = getHtmlFromResources(this, SUMMARIES.get(deviceProfile),
+                    getString(PROFILES_NAME.get(deviceProfile)), appLabel);
             mPermissionTypes.addAll(PERMISSION_TYPES.get(deviceProfile));
             setupPermissionList();
         }
 
         title = getHtmlFromResources(this, TITLES.get(deviceProfile), appLabel, deviceName);
-        summary = getHtmlFromResources(this, SUMMARIES.get(deviceProfile),
-                getString(PROFILES_NAME.get(deviceProfile)), appLabel);
         profileIcon = getIcon(this, PROFILE_ICON.get(deviceProfile));
 
         mTitle.setText(title);
@@ -586,7 +585,6 @@
 
         if (deviceProfile == null) {
             summary = getHtmlFromResources(this, summaryResourceId);
-            mSummary.setVisibility(View.GONE);
         } else {
             summary = getHtmlFromResources(this, summaryResourceId, profileName, appLabel);
         }
diff --git a/packages/CompanionDeviceManager/src/com/android/companiondevicemanager/CompanionDeviceResources.java b/packages/CompanionDeviceManager/src/com/android/companiondevicemanager/CompanionDeviceResources.java
index 6f5f4fe..e3fd354 100644
--- a/packages/CompanionDeviceManager/src/com/android/companiondevicemanager/CompanionDeviceResources.java
+++ b/packages/CompanionDeviceManager/src/com/android/companiondevicemanager/CompanionDeviceResources.java
@@ -88,7 +88,7 @@
         final Map<String, Integer> map = new ArrayMap<>();
         map.put(DEVICE_PROFILE_WATCH, R.string.summary_watch_single_device);
         map.put(DEVICE_PROFILE_GLASSES, R.string.summary_glasses_single_device);
-        map.put(null, R.string.summary_generic);
+        map.put(null, R.string.summary_generic_single_device);
 
         SUMMARIES = unmodifiableMap(map);
     }
diff --git a/packages/CredentialManager/res/values/strings.xml b/packages/CredentialManager/res/values/strings.xml
index d6909719..49ac482 100644
--- a/packages/CredentialManager/res/values/strings.xml
+++ b/packages/CredentialManager/res/values/strings.xml
@@ -13,6 +13,10 @@
   <string name="string_more_options">More options</string>
   <!-- This is a label for a button that links to additional information about passkeys. [CHAR LIMIT=20] -->
   <string name="string_learn_more">Learn more</string>
+  <!-- This is a label for content description for show password icon button. -->
+  <string name="content_description_show_password">Show password</string>
+  <!-- This is a label for content description for hide password icon button. -->
+  <string name="content_description_hide_password">Hide password</string>
   <!-- This string introduces passkeys to the users for the first time they use this method. Tip: to avoid gendered language patterns, this header could be translated as if the original string were "More safety with passkeys". [CHAR LIMIT=200] -->
   <string name="passkey_creation_intro_title">Safer with passkeys</string>
   <!-- This string highlight passkey benefits related with the password. [CHAR LIMIT=200] -->
diff --git a/packages/CredentialManager/src/com/android/credentialmanager/CredentialManagerRepo.kt b/packages/CredentialManager/src/com/android/credentialmanager/CredentialManagerRepo.kt
index c66ea5e..6ea1d8d 100644
--- a/packages/CredentialManager/src/com/android/credentialmanager/CredentialManagerRepo.kt
+++ b/packages/CredentialManager/src/com/android/credentialmanager/CredentialManagerRepo.kt
@@ -64,7 +64,7 @@
         requestInfo = intent.extras?.getParcelable(
             RequestInfo.EXTRA_REQUEST_INFO,
             RequestInfo::class.java
-        ) ?: testCreatePasskeyRequestInfo()
+        ) ?: testCreatePasswordRequestInfo()
 
         providerEnabledList = when (requestInfo.type) {
             RequestInfo.TYPE_CREATE ->
diff --git a/packages/CredentialManager/src/com/android/credentialmanager/common/ui/ActionButton.kt b/packages/CredentialManager/src/com/android/credentialmanager/common/ui/ActionButton.kt
index d0271ab..984057a 100644
--- a/packages/CredentialManager/src/com/android/credentialmanager/common/ui/ActionButton.kt
+++ b/packages/CredentialManager/src/com/android/credentialmanager/common/ui/ActionButton.kt
@@ -16,11 +16,23 @@
 
 package com.android.credentialmanager.common.ui
 
+import com.android.credentialmanager.R
+import androidx.compose.material.Icon
+import androidx.compose.material.IconButton
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.outlined.Visibility
+import androidx.compose.material.icons.outlined.VisibilityOff
 import androidx.compose.material3.ButtonDefaults
 import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.Text
 import androidx.compose.material3.TextButton
 import androidx.compose.runtime.Composable
+import androidx.compose.runtime.MutableState
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.remember
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.res.stringResource
+import com.android.credentialmanager.ui.theme.LocalAndroidColorScheme
 
 @Composable
 fun ActionButton(text: String, onClick: () -> Unit) {
@@ -32,4 +44,27 @@
     ) {
         Text(text = text)
     }
+}
+
+@Composable
+fun ToggleVisibilityButton(modifier: Modifier = Modifier, onToggle: (Boolean) -> Unit) {
+    // default state is visibility off
+    val toggleState: MutableState<Boolean> = remember { mutableStateOf(false) }
+
+    IconButton(
+        modifier = modifier,
+        onClick = {
+            toggleState.value = !toggleState.value
+            onToggle(toggleState.value)
+        }
+    ) {
+        Icon(
+            imageVector = if (toggleState.value)
+                Icons.Outlined.Visibility else Icons.Outlined.VisibilityOff,
+            contentDescription = if (toggleState.value)
+                stringResource(R.string.content_description_show_password) else
+                stringResource(R.string.content_description_hide_password),
+            tint = LocalAndroidColorScheme.current.colorAccentPrimaryVariant
+        )
+    }
 }
\ No newline at end of file
diff --git a/packages/CredentialManager/src/com/android/credentialmanager/createflow/CreateCredentialComponents.kt b/packages/CredentialManager/src/com/android/credentialmanager/createflow/CreateCredentialComponents.kt
index f8d008e..0b9e578 100644
--- a/packages/CredentialManager/src/com/android/credentialmanager/createflow/CreateCredentialComponents.kt
+++ b/packages/CredentialManager/src/com/android/credentialmanager/createflow/CreateCredentialComponents.kt
@@ -10,6 +10,8 @@
 import androidx.compose.foundation.layout.Column
 import androidx.compose.foundation.layout.Row
 import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.height
+import androidx.compose.foundation.layout.width
 import androidx.compose.foundation.layout.padding
 import androidx.compose.foundation.layout.size
 import androidx.compose.foundation.lazy.LazyColumn
@@ -26,12 +28,17 @@
 import androidx.compose.material.icons.filled.Add
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.LaunchedEffect
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.remember
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.graphics.Color
 import androidx.compose.ui.graphics.asImageBitmap
 import androidx.compose.ui.res.painterResource
 import androidx.compose.ui.res.stringResource
+import androidx.compose.ui.text.AnnotatedString
+import androidx.compose.ui.text.input.PasswordVisualTransformation
 import androidx.compose.ui.text.style.TextAlign
 import androidx.compose.ui.unit.dp
 import androidx.core.graphics.drawable.toBitmap
@@ -48,6 +55,7 @@
 import com.android.credentialmanager.common.ui.TextSecondary
 import com.android.credentialmanager.common.ui.TextOnSurfaceVariant
 import com.android.credentialmanager.common.ui.ContainerCard
+import com.android.credentialmanager.common.ui.ToggleVisibilityButton
 import com.android.credentialmanager.ui.theme.EntryShape
 import com.android.credentialmanager.ui.theme.LocalAndroidColorScheme
 
@@ -851,12 +859,38 @@
                             style = MaterialTheme.typography.titleLarge,
                             modifier = Modifier.padding(top = 16.dp, start = 5.dp),
                         )
-                        TextSecondary(
+                        Row(modifier = Modifier.fillMaxWidth().padding(top = 4.dp, bottom = 16.dp,
+                                                                       start = 5.dp),
+                            verticalAlignment = Alignment.CenterVertically) {
+                            val visualTransformation = remember { PasswordVisualTransformation() }
                             // This subtitle would never be null for create password
-                            text = requestDisplayInfo.subtitle ?: "",
-                            style = MaterialTheme.typography.bodyMedium,
-                            modifier = Modifier.padding(bottom = 16.dp, start = 5.dp),
-                        )
+                            val originalPassword by remember {
+                                mutableStateOf(requestDisplayInfo.subtitle ?: "")
+                            }
+                            val displayedPassword = remember {
+                                mutableStateOf(
+                                    visualTransformation.filter(
+                                        AnnotatedString(originalPassword)
+                                    ).text.text
+                                )
+                            }
+                            TextSecondary(
+                                text = displayedPassword.value,
+                                style = MaterialTheme.typography.bodyMedium,
+                                modifier = Modifier.padding(top = 4.dp, bottom = 4.dp),
+                            )
+
+                            ToggleVisibilityButton(modifier = Modifier.padding(start = 4.dp)
+                                .height(24.dp).width(24.dp), onToggle = {
+                                if (it) {
+                                    displayedPassword.value = originalPassword
+                                } else {
+                                    displayedPassword.value = visualTransformation.filter(
+                                        AnnotatedString(originalPassword)
+                                    ).text.text
+                                }
+                            })
+                        }
                     }
                     CredentialType.UNKNOWN -> {
                         if (requestDisplayInfo.subtitle != null) {
diff --git a/packages/SettingsLib/ActivityEmbedding/Android.bp b/packages/SettingsLib/ActivityEmbedding/Android.bp
index c35fb3b..4b4cfb7 100644
--- a/packages/SettingsLib/ActivityEmbedding/Android.bp
+++ b/packages/SettingsLib/ActivityEmbedding/Android.bp
@@ -30,5 +30,6 @@
     apex_available: [
         "//apex_available:platform",
         "com.android.permission",
+        "com.android.healthconnect",
     ],
 }
diff --git a/packages/SettingsProvider/src/android/provider/settings/backup/SecureSettings.java b/packages/SettingsProvider/src/android/provider/settings/backup/SecureSettings.java
index 293a590..bf9e428 100644
--- a/packages/SettingsProvider/src/android/provider/settings/backup/SecureSettings.java
+++ b/packages/SettingsProvider/src/android/provider/settings/backup/SecureSettings.java
@@ -228,6 +228,7 @@
         Settings.Secure.BLUETOOTH_LE_BROADCAST_CODE,
         Settings.Secure.BLUETOOTH_LE_BROADCAST_APP_SOURCE_NAME,
         Settings.Secure.CUSTOM_BUGREPORT_HANDLER_APP,
-        Settings.Secure.CUSTOM_BUGREPORT_HANDLER_USER
+        Settings.Secure.CUSTOM_BUGREPORT_HANDLER_USER,
+        Settings.Secure.LOCK_SCREEN_WEATHER_ENABLED
     };
 }
diff --git a/packages/SettingsProvider/src/android/provider/settings/validators/SecureSettingsValidators.java b/packages/SettingsProvider/src/android/provider/settings/validators/SecureSettingsValidators.java
index 31eb009..f0bc1df 100644
--- a/packages/SettingsProvider/src/android/provider/settings/validators/SecureSettingsValidators.java
+++ b/packages/SettingsProvider/src/android/provider/settings/validators/SecureSettingsValidators.java
@@ -361,5 +361,6 @@
         VALIDATORS.put(Secure.BLUETOOTH_LE_BROADCAST_APP_SOURCE_NAME, ANY_STRING_VALIDATOR);
         VALIDATORS.put(Secure.CUSTOM_BUGREPORT_HANDLER_APP, ANY_STRING_VALIDATOR);
         VALIDATORS.put(Secure.CUSTOM_BUGREPORT_HANDLER_USER, ANY_INTEGER_VALIDATOR);
+        VALIDATORS.put(Secure.LOCK_SCREEN_WEATHER_ENABLED, BOOLEAN_VALIDATOR);
     }
 }
diff --git a/packages/SystemUI/src/com/android/keyguard/KeyguardClockSwitchController.java b/packages/SystemUI/src/com/android/keyguard/KeyguardClockSwitchController.java
index 3eec565..e55ac1b 100644
--- a/packages/SystemUI/src/com/android/keyguard/KeyguardClockSwitchController.java
+++ b/packages/SystemUI/src/com/android/keyguard/KeyguardClockSwitchController.java
@@ -106,6 +106,12 @@
             updateDoubleLineClock();
         }
     };
+    private final ContentObserver mShowWeatherObserver = new ContentObserver(null) {
+        @Override
+        public void onChange(boolean change) {
+            setWeatherVisibility();
+        }
+    };
 
     private final KeyguardUnlockAnimationController.KeyguardUnlockAnimationListener
             mKeyguardUnlockAnimationListener =
@@ -216,7 +222,15 @@
                 UserHandle.USER_ALL
         );
 
+        mSecureSettings.registerContentObserverForUser(
+                Settings.Secure.LOCK_SCREEN_WEATHER_ENABLED,
+                false, /* notifyForDescendants */
+                mShowWeatherObserver,
+                UserHandle.USER_ALL
+        );
+
         updateDoubleLineClock();
+        setWeatherVisibility();
 
         mKeyguardUnlockAnimationController.addKeyguardUnlockAnimationListener(
                 mKeyguardUnlockAnimationListener);
@@ -449,6 +463,14 @@
         }
     }
 
+    private void setWeatherVisibility() {
+        if (mWeatherView != null) {
+            mUiExecutor.execute(
+                    () -> mWeatherView.setVisibility(
+                        mSmartspaceController.isWeatherEnabled() ? View.VISIBLE : View.GONE));
+        }
+    }
+
     /**
      * Sets the clipChildren property on relevant views, to allow the smartspace to draw out of
      * bounds during the unlock transition.
diff --git a/packages/SystemUI/src/com/android/systemui/charging/WiredChargingRippleController.kt b/packages/SystemUI/src/com/android/systemui/charging/WiredChargingRippleController.kt
index fb0c0a6..5ca36ab 100644
--- a/packages/SystemUI/src/com/android/systemui/charging/WiredChargingRippleController.kt
+++ b/packages/SystemUI/src/com/android/systemui/charging/WiredChargingRippleController.kt
@@ -72,7 +72,7 @@
         height = WindowManager.LayoutParams.MATCH_PARENT
         layoutInDisplayCutoutMode = WindowManager.LayoutParams.LAYOUT_IN_DISPLAY_CUTOUT_MODE_ALWAYS
         format = PixelFormat.TRANSLUCENT
-        type = WindowManager.LayoutParams.TYPE_SYSTEM_OVERLAY
+        type = WindowManager.LayoutParams.TYPE_KEYGUARD_DIALOG
         fitInsetsTypes = 0 // Ignore insets from all system bars
         title = "Wired Charging Animation"
         flags = (WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE
diff --git a/packages/SystemUI/src/com/android/systemui/flags/Flags.kt b/packages/SystemUI/src/com/android/systemui/flags/Flags.kt
index 57c99d1..5eb7831 100644
--- a/packages/SystemUI/src/com/android/systemui/flags/Flags.kt
+++ b/packages/SystemUI/src/com/android/systemui/flags/Flags.kt
@@ -208,9 +208,7 @@
         unreleasedFlag(226, "enable_wallet_contextual_loyalty_cards", teamfood = false)
 
     // TODO(b/242908637): Tracking Bug
-    @JvmField
-    val WALLPAPER_FULLSCREEN_PREVIEW =
-        unreleasedFlag(227, "wallpaper_fullscreen_preview", teamfood = true)
+    @JvmField val WALLPAPER_FULLSCREEN_PREVIEW = releasedFlag(227, "wallpaper_fullscreen_preview")
 
     /** Whether the long-press gesture to open wallpaper picker is enabled. */
     // TODO(b/266242192): Tracking Bug
@@ -339,8 +337,7 @@
     @JvmField val UMO_TURBULENCE_NOISE = releasedFlag(909, "umo_turbulence_noise")
 
     // TODO(b/263272731): Tracking Bug
-    val MEDIA_TTT_RECEIVER_SUCCESS_RIPPLE =
-        unreleasedFlag(910, "media_ttt_receiver_success_ripple", teamfood = true)
+    val MEDIA_TTT_RECEIVER_SUCCESS_RIPPLE = releasedFlag(910, "media_ttt_receiver_success_ripple")
 
     // TODO(b/263512203): Tracking Bug
     val MEDIA_EXPLICIT_INDICATOR = releasedFlag(911, "media_explicit_indicator")
@@ -507,11 +504,10 @@
     // 1300 - screenshots
     // TODO(b/254513155): Tracking Bug
     @JvmField
-    val SCREENSHOT_WORK_PROFILE_POLICY =
-        unreleasedFlag(1301, "screenshot_work_profile_policy", teamfood = true)
+    val SCREENSHOT_WORK_PROFILE_POLICY = releasedFlag(1301, "screenshot_work_profile_policy")
 
     // TODO(b/264916608): Tracking Bug
-    @JvmField val SCREENSHOT_METADATA = unreleasedFlag(1302, "screenshot_metadata")
+    @JvmField val SCREENSHOT_METADATA = unreleasedFlag(1302, "screenshot_metadata", teamfood = true)
 
     // TODO(b/266955521): Tracking bug
     @JvmField val SCREENSHOT_DETECTION = unreleasedFlag(1303, "screenshot_detection")
@@ -529,16 +525,19 @@
 
     // 1500 - chooser aka sharesheet
     // TODO(b/254512507): Tracking Bug
-    val CHOOSER_UNBUNDLED = unreleasedFlag(1500, "chooser_unbundled", teamfood = true)
+    val CHOOSER_UNBUNDLED = releasedFlag(1500, "chooser_unbundled")
 
     // TODO(b/266983432) Tracking Bug
-    val SHARESHEET_CUSTOM_ACTIONS = unreleasedFlag(1501, "sharesheet_custom_actions")
+    val SHARESHEET_CUSTOM_ACTIONS =
+        unreleasedFlag(1501, "sharesheet_custom_actions", teamfood = true)
 
     // TODO(b/266982749) Tracking Bug
-    val SHARESHEET_RESELECTION_ACTION = unreleasedFlag(1502, "sharesheet_reselection_action")
+    val SHARESHEET_RESELECTION_ACTION =
+        unreleasedFlag(1502, "sharesheet_reselection_action", teamfood = true)
 
     // TODO(b/266983474) Tracking Bug
-    val SHARESHEET_IMAGE_AND_TEXT_PREVIEW = unreleasedFlag(1503, "sharesheet_image_text_preview")
+    val SHARESHEET_IMAGE_AND_TEXT_PREVIEW =
+        unreleasedFlag(1503, "sharesheet_image_text_preview", teamfood = true)
 
     // TODO(b/267355521) Tracking Bug
     val SHARESHEET_SCROLLABLE_IMAGE_PREVIEW =
@@ -597,12 +596,11 @@
     // 2500 - output switcher
     // TODO(b/261538825): Tracking Bug
     @JvmField
-    val OUTPUT_SWITCHER_ADVANCED_LAYOUT = unreleasedFlag(2500, "output_switcher_advanced_layout")
+    val OUTPUT_SWITCHER_ADVANCED_LAYOUT = releasedFlag(2500, "output_switcher_advanced_layout")
     @JvmField
-    val OUTPUT_SWITCHER_ROUTES_PROCESSING =
-        unreleasedFlag(2501, "output_switcher_routes_processing")
+    val OUTPUT_SWITCHER_ROUTES_PROCESSING = releasedFlag(2501, "output_switcher_routes_processing")
     @JvmField
-    val OUTPUT_SWITCHER_DEVICE_STATUS = unreleasedFlag(2502, "output_switcher_device_status")
+    val OUTPUT_SWITCHER_DEVICE_STATUS = releasedFlag(2502, "output_switcher_device_status")
 
     // TODO(b/20911786): Tracking Bug
     @JvmField
diff --git a/packages/SystemUI/src/com/android/systemui/navigationbar/gestural/Utilities.java b/packages/SystemUI/src/com/android/systemui/navigationbar/gestural/Utilities.java
index 335172e..30d2d7a 100644
--- a/packages/SystemUI/src/com/android/systemui/navigationbar/gestural/Utilities.java
+++ b/packages/SystemUI/src/com/android/systemui/navigationbar/gestural/Utilities.java
@@ -16,7 +16,7 @@
 
 package com.android.systemui.navigationbar.gestural;
 
-import static android.view.InputDevice.SOURCE_TOUCHSCREEN;
+import static android.view.MotionEvent.CLASSIFICATION_MULTI_FINGER_SWIPE;
 
 import android.content.Context;
 import android.view.MotionEvent;
@@ -24,14 +24,12 @@
 
 public final class Utilities {
 
-    private static final int TRACKPAD_GESTURE_SCALE = 60;
+    private static final int TRACKPAD_GESTURE_SCALE = 200;
 
     public static boolean isTrackpadMotionEvent(boolean isTrackpadGestureBackEnabled,
             MotionEvent event) {
-        // TODO: ideally should use event.getClassification(), but currently only the move
-        // events get assigned the correct classification.
         return isTrackpadGestureBackEnabled
-                && (event.getSource() & SOURCE_TOUCHSCREEN) != SOURCE_TOUCHSCREEN;
+                && event.getClassification() == CLASSIFICATION_MULTI_FINGER_SWIPE;
     }
 
     public static int getTrackpadScale(Context context) {
diff --git a/packages/SystemUI/src/com/android/systemui/notetask/NoteTaskController.kt b/packages/SystemUI/src/com/android/systemui/notetask/NoteTaskController.kt
index 6bfe1a0..be615d6 100644
--- a/packages/SystemUI/src/com/android/systemui/notetask/NoteTaskController.kt
+++ b/packages/SystemUI/src/com/android/systemui/notetask/NoteTaskController.kt
@@ -20,9 +20,12 @@
 import android.content.ActivityNotFoundException
 import android.content.ComponentName
 import android.content.Context
+import android.content.Intent
 import android.content.pm.PackageManager
 import android.os.UserManager
 import android.util.Log
+import com.android.internal.logging.UiEvent
+import com.android.internal.logging.UiEventLogger
 import com.android.systemui.dagger.SysUISingleton
 import com.android.systemui.notetask.shortcut.CreateNoteTaskShortcutActivity
 import com.android.systemui.util.kotlin.getOrNull
@@ -42,11 +45,12 @@
 @Inject
 constructor(
     private val context: Context,
-    private val intentResolver: NoteTaskIntentResolver,
+    private val resolver: NoteTaskInfoResolver,
     private val optionalBubbles: Optional<Bubbles>,
     private val optionalKeyguardManager: Optional<KeyguardManager>,
     private val optionalUserManager: Optional<UserManager>,
     @NoteTaskEnabledKey private val isEnabled: Boolean,
+    private val uiEventLogger: UiEventLogger,
 ) {
 
     /**
@@ -64,7 +68,9 @@
      *
      * That will let users open other apps in full screen, and take contextual notes.
      */
-    fun showNoteTask(isInMultiWindowMode: Boolean = false) {
+    @JvmOverloads
+    fun showNoteTask(isInMultiWindowMode: Boolean = false, uiEvent: ShowNoteTaskUiEvent? = null) {
+
         if (!isEnabled) return
 
         val bubbles = optionalBubbles.getOrNull() ?: return
@@ -74,9 +80,12 @@
         // TODO(b/249954038): We should handle direct boot (isUserUnlocked). For now, we do nothing.
         if (!userManager.isUserUnlocked) return
 
-        val intent = intentResolver.resolveIntent() ?: return
+        val noteTaskInfo = resolver.resolveInfo() ?: return
+
+        uiEvent?.let { uiEventLogger.log(it, noteTaskInfo.uid, noteTaskInfo.packageName) }
 
         // TODO(b/266686199): We should handle when app not available. For now, we log.
+        val intent = noteTaskInfo.toCreateNoteIntent()
         try {
             if (isInMultiWindowMode || keyguardManager.isKeyguardLocked) {
                 context.startActivity(intent)
@@ -84,9 +93,7 @@
                 bubbles.showOrHideAppBubble(intent)
             }
         } catch (e: ActivityNotFoundException) {
-            val message =
-                "Activity not found for action: ${NoteTaskIntentResolver.ACTION_CREATE_NOTE}."
-            Log.e(TAG, message, e)
+            Log.e(TAG, "Activity not found for action: $ACTION_CREATE_NOTE.", e)
         }
     }
 
@@ -114,10 +121,47 @@
         )
     }
 
+    /** IDs of UI events accepted by [showNoteTask]. */
+    enum class ShowNoteTaskUiEvent(private val _id: Int) : UiEventLogger.UiEventEnum {
+        @UiEvent(doc = "User opened a note by tapping on the lockscreen shortcut.")
+        NOTE_OPENED_VIA_KEYGUARD_QUICK_AFFORDANCE(1294),
+
+        /* ktlint-disable max-line-length */
+        @UiEvent(
+            doc =
+                "User opened a note by pressing the stylus tail button while the screen was unlocked."
+        )
+        NOTE_OPENED_VIA_STYLUS_TAIL_BUTTON(1295),
+        @UiEvent(
+            doc =
+                "User opened a note by pressing the stylus tail button while the screen was locked."
+        )
+        NOTE_OPENED_VIA_STYLUS_TAIL_BUTTON_LOCKED(1296),
+        @UiEvent(doc = "User opened a note by tapping on an app shortcut.")
+        NOTE_OPENED_VIA_SHORTCUT(1297);
+
+        override fun getId() = _id
+    }
+
     companion object {
         private val TAG = NoteTaskController::class.simpleName.orEmpty()
 
+        private fun NoteTaskInfoResolver.NoteTaskInfo.toCreateNoteIntent(): Intent {
+            return Intent(ACTION_CREATE_NOTE)
+                .setPackage(packageName)
+                .addFlags(Intent.FLAG_ACTIVITY_NEW_TASK)
+                // EXTRA_USE_STYLUS_MODE does not mean a stylus is in-use, but a stylus entrypoint
+                // was used to start it.
+                .putExtra(INTENT_EXTRA_USE_STYLUS_MODE, true)
+        }
+
         // TODO(b/254604589): Use final KeyEvent.KEYCODE_* instead.
         const val NOTE_TASK_KEY_EVENT = 311
+
+        // TODO(b/265912743): Use Intent.ACTION_CREATE_NOTE instead.
+        const val ACTION_CREATE_NOTE = "android.intent.action.CREATE_NOTE"
+
+        // TODO(b/265912743): Use Intent.INTENT_EXTRA_USE_STYLUS_MODE instead.
+        const val INTENT_EXTRA_USE_STYLUS_MODE = "android.intent.extra.USE_STYLUS_MODE"
     }
 }
diff --git a/packages/SystemUI/src/com/android/systemui/notetask/NoteTaskInfoResolver.kt b/packages/SystemUI/src/com/android/systemui/notetask/NoteTaskInfoResolver.kt
new file mode 100644
index 0000000..bd822d4
--- /dev/null
+++ b/packages/SystemUI/src/com/android/systemui/notetask/NoteTaskInfoResolver.kt
@@ -0,0 +1,69 @@
+/*
+ * 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.notetask
+
+import android.app.role.RoleManager
+import android.content.Context
+import android.content.pm.PackageManager
+import android.os.UserHandle
+import android.util.Log
+import javax.inject.Inject
+
+internal class NoteTaskInfoResolver
+@Inject
+constructor(
+    private val context: Context,
+    private val roleManager: RoleManager,
+    private val packageManager: PackageManager,
+) {
+    fun resolveInfo(): NoteTaskInfo? {
+        // TODO(b/267634412): Select UserHandle depending on where the user initiated note-taking.
+        val user = context.user
+        val packageName = roleManager.getRoleHoldersAsUser(ROLE_NOTES, user).firstOrNull()
+
+        if (packageName.isNullOrEmpty()) return null
+
+        return NoteTaskInfo(packageName, packageManager.getUidOf(packageName, user))
+    }
+
+    /** Package name and kernel user-ID of a note-taking app. */
+    data class NoteTaskInfo(val packageName: String, val uid: Int)
+
+    companion object {
+        private val TAG = NoteTaskInfoResolver::class.simpleName.orEmpty()
+
+        private val EMPTY_APPLICATION_INFO_FLAGS = PackageManager.ApplicationInfoFlags.of(0)!!
+
+        /**
+         * Returns the kernel user-ID of [packageName] for a [user]. Returns zero if the app cannot
+         * be found.
+         */
+        private fun PackageManager.getUidOf(packageName: String, user: UserHandle): Int {
+            val applicationInfo =
+                try {
+                    getApplicationInfoAsUser(packageName, EMPTY_APPLICATION_INFO_FLAGS, user)
+                } catch (e: PackageManager.NameNotFoundException) {
+                    Log.e(TAG, "Couldn't find notes app UID", e)
+                    return 0
+                }
+            return applicationInfo.uid
+        }
+
+        // TODO(b/265912743): Use RoleManager.NOTES_ROLE instead.
+        const val ROLE_NOTES = "android.app.role.NOTES"
+    }
+}
diff --git a/packages/SystemUI/src/com/android/systemui/notetask/NoteTaskInitializer.kt b/packages/SystemUI/src/com/android/systemui/notetask/NoteTaskInitializer.kt
index d5f4a5a..d40bf2b 100644
--- a/packages/SystemUI/src/com/android/systemui/notetask/NoteTaskInitializer.kt
+++ b/packages/SystemUI/src/com/android/systemui/notetask/NoteTaskInitializer.kt
@@ -16,8 +16,10 @@
 
 package com.android.systemui.notetask
 
+import android.app.KeyguardManager
 import androidx.annotation.VisibleForTesting
 import com.android.systemui.statusbar.CommandQueue
+import com.android.systemui.util.kotlin.getOrNull
 import com.android.wm.shell.bubbles.Bubbles
 import java.util.Optional
 import javax.inject.Inject
@@ -30,6 +32,7 @@
     private val noteTaskController: NoteTaskController,
     private val commandQueue: CommandQueue,
     @NoteTaskEnabledKey private val isEnabled: Boolean,
+    private val optionalKeyguardManager: Optional<KeyguardManager>,
 ) {
 
     @VisibleForTesting
@@ -37,11 +40,21 @@
         object : CommandQueue.Callbacks {
             override fun handleSystemKey(keyCode: Int) {
                 if (keyCode == NoteTaskController.NOTE_TASK_KEY_EVENT) {
-                    noteTaskController.showNoteTask()
+                    showNoteTask()
                 }
             }
         }
 
+    private fun showNoteTask() {
+        val uiEvent =
+            if (optionalKeyguardManager.isKeyguardLocked) {
+                NoteTaskController.ShowNoteTaskUiEvent.NOTE_OPENED_VIA_STYLUS_TAIL_BUTTON_LOCKED
+            } else {
+                NoteTaskController.ShowNoteTaskUiEvent.NOTE_OPENED_VIA_STYLUS_TAIL_BUTTON
+            }
+        noteTaskController.showNoteTask(uiEvent = uiEvent)
+    }
+
     fun initialize() {
         if (isEnabled && optionalBubbles.isPresent) {
             commandQueue.addCallback(callbacks)
@@ -49,3 +62,7 @@
         noteTaskController.setNoteTaskShortcutEnabled(isEnabled)
     }
 }
+
+private val Optional<KeyguardManager>.isKeyguardLocked: Boolean
+    // If there's no KeyguardManager, assume that the keyguard is not locked.
+    get() = getOrNull()?.isKeyguardLocked ?: false
diff --git a/packages/SystemUI/src/com/android/systemui/notetask/NoteTaskIntentResolver.kt b/packages/SystemUI/src/com/android/systemui/notetask/NoteTaskIntentResolver.kt
deleted file mode 100644
index 11dc1d7..0000000
--- a/packages/SystemUI/src/com/android/systemui/notetask/NoteTaskIntentResolver.kt
+++ /dev/null
@@ -1,54 +0,0 @@
-/*
- * Copyright (C) 2022 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package com.android.systemui.notetask
-
-import android.app.role.RoleManager
-import android.content.Context
-import android.content.Intent
-import javax.inject.Inject
-
-internal class NoteTaskIntentResolver
-@Inject
-constructor(
-    private val context: Context,
-    private val roleManager: RoleManager,
-) {
-
-    fun resolveIntent(): Intent? {
-        val packageName = roleManager.getRoleHoldersAsUser(ROLE_NOTES, context.user).firstOrNull()
-
-        if (packageName.isNullOrEmpty()) return null
-
-        return Intent(ACTION_CREATE_NOTE)
-            .setPackage(packageName)
-            .addFlags(Intent.FLAG_ACTIVITY_NEW_TASK)
-            // EXTRA_USE_STYLUS_MODE does not mean a stylus is in-use, but a stylus entrypoint was
-            // used to start it.
-            .putExtra(INTENT_EXTRA_USE_STYLUS_MODE, true)
-    }
-
-    companion object {
-        // TODO(b/265912743): Use Intent.ACTION_CREATE_NOTE instead.
-        const val ACTION_CREATE_NOTE = "android.intent.action.CREATE_NOTE"
-
-        // TODO(b/265912743): Use RoleManager.NOTES_ROLE instead.
-        const val ROLE_NOTES = "android.app.role.NOTES"
-
-        // TODO(b/265912743): Use Intent.INTENT_EXTRA_USE_STYLUS_MODE instead.
-        const val INTENT_EXTRA_USE_STYLUS_MODE = "android.intent.extra.USE_STYLUS_MODE"
-    }
-}
diff --git a/packages/SystemUI/src/com/android/systemui/notetask/NoteTaskModule.kt b/packages/SystemUI/src/com/android/systemui/notetask/NoteTaskModule.kt
index ec6a16a..b8800a2 100644
--- a/packages/SystemUI/src/com/android/systemui/notetask/NoteTaskModule.kt
+++ b/packages/SystemUI/src/com/android/systemui/notetask/NoteTaskModule.kt
@@ -51,7 +51,7 @@
             featureFlags: FeatureFlags,
             roleManager: RoleManager,
         ): Boolean {
-            val isRoleAvailable = roleManager.isRoleAvailable(NoteTaskIntentResolver.ROLE_NOTES)
+            val isRoleAvailable = roleManager.isRoleAvailable(NoteTaskInfoResolver.ROLE_NOTES)
             val isFeatureEnabled = featureFlags.isEnabled(Flags.NOTE_TASKS)
             return isRoleAvailable && isFeatureEnabled
         }
diff --git a/packages/SystemUI/src/com/android/systemui/notetask/quickaffordance/NoteTaskQuickAffordanceConfig.kt b/packages/SystemUI/src/com/android/systemui/notetask/quickaffordance/NoteTaskQuickAffordanceConfig.kt
index cfbaa48..43869cc 100644
--- a/packages/SystemUI/src/com/android/systemui/notetask/quickaffordance/NoteTaskQuickAffordanceConfig.kt
+++ b/packages/SystemUI/src/com/android/systemui/notetask/quickaffordance/NoteTaskQuickAffordanceConfig.kt
@@ -27,6 +27,7 @@
 import com.android.systemui.keyguard.data.quickaffordance.KeyguardQuickAffordanceConfig.OnTriggeredResult
 import com.android.systemui.keyguard.data.quickaffordance.KeyguardQuickAffordanceConfig.PickerScreenState
 import com.android.systemui.notetask.NoteTaskController
+import com.android.systemui.notetask.NoteTaskController.ShowNoteTaskUiEvent
 import com.android.systemui.notetask.NoteTaskEnabledKey
 import javax.inject.Inject
 import kotlinx.coroutines.flow.flowOf
@@ -64,7 +65,9 @@
         }
 
     override fun onTriggered(expandable: Expandable?): OnTriggeredResult {
-        noteTaskController.showNoteTask()
+        noteTaskController.showNoteTask(
+            uiEvent = ShowNoteTaskUiEvent.NOTE_OPENED_VIA_KEYGUARD_QUICK_AFFORDANCE
+        )
         return OnTriggeredResult.Handled
     }
 }
diff --git a/packages/SystemUI/src/com/android/systemui/notetask/shortcut/LaunchNoteTaskActivity.kt b/packages/SystemUI/src/com/android/systemui/notetask/shortcut/LaunchNoteTaskActivity.kt
index f203e7a..3ac5bfa 100644
--- a/packages/SystemUI/src/com/android/systemui/notetask/shortcut/LaunchNoteTaskActivity.kt
+++ b/packages/SystemUI/src/com/android/systemui/notetask/shortcut/LaunchNoteTaskActivity.kt
@@ -21,7 +21,7 @@
 import android.os.Bundle
 import androidx.activity.ComponentActivity
 import com.android.systemui.notetask.NoteTaskController
-import com.android.systemui.notetask.NoteTaskIntentResolver
+import com.android.systemui.notetask.NoteTaskController.ShowNoteTaskUiEvent
 import javax.inject.Inject
 
 /** Activity responsible for launching the note experience, and finish. */
@@ -34,7 +34,10 @@
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
 
-        noteTaskController.showNoteTask(isInMultiWindowMode)
+        noteTaskController.showNoteTask(
+            isInMultiWindowMode = isInMultiWindowMode,
+            uiEvent = ShowNoteTaskUiEvent.NOTE_OPENED_VIA_SHORTCUT,
+        )
 
         finish()
     }
@@ -46,7 +49,7 @@
             return Intent(context, LaunchNoteTaskActivity::class.java).apply {
                 // Intent's action must be set in shortcuts, or an exception will be thrown.
                 // TODO(b/254606432): Use Intent.ACTION_CREATE_NOTE instead.
-                action = NoteTaskIntentResolver.ACTION_CREATE_NOTE
+                action = NoteTaskController.ACTION_CREATE_NOTE
             }
         }
     }
diff --git a/packages/SystemUI/src/com/android/systemui/shade/NotificationPanelViewController.java b/packages/SystemUI/src/com/android/systemui/shade/NotificationPanelViewController.java
index c573080..f53f824 100644
--- a/packages/SystemUI/src/com/android/systemui/shade/NotificationPanelViewController.java
+++ b/packages/SystemUI/src/com/android/systemui/shade/NotificationPanelViewController.java
@@ -685,6 +685,7 @@
     private boolean mInstantExpanding;
     private boolean mAnimateAfterExpanding;
     private boolean mIsFlinging;
+    private boolean mLastFlingWasExpanding;
     private String mViewName;
     private float mInitialExpandY;
     private float mInitialExpandX;
@@ -2142,6 +2143,7 @@
     @VisibleForTesting
     void flingToHeight(float vel, boolean expand, float target,
             float collapseSpeedUpFactor, boolean expandBecauseOfFalsing) {
+        mLastFlingWasExpanding = expand;
         mHeadsUpTouchHelper.notifyFling(!expand);
         mKeyguardStateController.notifyPanelFlingStart(!expand /* flingingToDismiss */);
         setClosingWithAlphaFadeout(!expand && !isOnKeyguard() && getFadeoutAlpha() == 1.0f);
@@ -2531,7 +2533,7 @@
         }
         // defer touches on QQS to shade while shade is collapsing. Added margin for error
         // as sometimes the qsExpansionFraction can be a tiny value instead of 0 when in QQS.
-        if (!mSplitShadeEnabled
+        if (!mSplitShadeEnabled && !mLastFlingWasExpanding
                 && computeQsExpansionFraction() <= 0.01 && getExpandedFraction() < 1.0) {
             mShadeLog.logMotionEvent(event,
                     "handleQsTouch: shade touched while collapsing, QS tracking disabled");
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/lockscreen/LockscreenSmartspaceController.kt b/packages/SystemUI/src/com/android/systemui/statusbar/lockscreen/LockscreenSmartspaceController.kt
index fe76c7d..81c7197 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/lockscreen/LockscreenSmartspaceController.kt
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/lockscreen/LockscreenSmartspaceController.kt
@@ -31,6 +31,7 @@
 import android.os.UserHandle
 import android.provider.Settings.Secure.LOCK_SCREEN_ALLOW_PRIVATE_NOTIFICATIONS
 import android.provider.Settings.Secure.LOCK_SCREEN_SHOW_NOTIFICATIONS
+import android.provider.Settings.Secure.LOCK_SCREEN_WEATHER_ENABLED
 import android.util.Log
 import android.view.ContextThemeWrapper
 import android.view.View
@@ -245,6 +246,17 @@
                 datePlugin != null && weatherPlugin != null
     }
 
+    fun isWeatherEnabled(): Boolean {
+       execution.assertIsMainThread()
+       val defaultValue = context.getResources().getBoolean(
+               com.android.internal.R.bool.config_lockscreenWeatherEnabledByDefault)
+       val showWeather = secureSettings.getIntForUser(
+           LOCK_SCREEN_WEATHER_ENABLED,
+           if (defaultValue) 1 else 0,
+           userTracker.userId) == 1
+       return showWeather
+    }
+
     private fun updateBypassEnabled() {
         val bypassEnabled = bypassController.bypassEnabled
         smartspaceViews.forEach { it.setKeyguardBypassEnabled(bypassEnabled) }
diff --git a/packages/SystemUI/src/com/android/systemui/user/data/repository/UserRepository.kt b/packages/SystemUI/src/com/android/systemui/user/data/repository/UserRepository.kt
index e5ab473..5cf01af 100644
--- a/packages/SystemUI/src/com/android/systemui/user/data/repository/UserRepository.kt
+++ b/packages/SystemUI/src/com/android/systemui/user/data/repository/UserRepository.kt
@@ -76,6 +76,9 @@
     /** Whether user switching is currently in progress. */
     val userSwitchingInProgress: Flow<Boolean>
 
+    /** User ID of the main user. */
+    val mainUserId: Int
+
     /** User ID of the last non-guest selected user. */
     val lastSelectedNonGuestUserId: Int
 
@@ -130,7 +133,9 @@
     private val _selectedUserInfo = MutableStateFlow<UserInfo?>(null)
     override val selectedUserInfo: Flow<UserInfo> = _selectedUserInfo.filterNotNull()
 
-    override var lastSelectedNonGuestUserId: Int = UserHandle.USER_SYSTEM
+    override var mainUserId: Int = UserHandle.USER_NULL
+        private set
+    override var lastSelectedNonGuestUserId: Int = UserHandle.USER_NULL
         private set
 
     override val isGuestUserAutoCreated: Boolean =
@@ -172,6 +177,11 @@
                         // The guest user is always last, regardless of creation time.
                         .sortedBy { it.isGuest }
             }
+
+            if (mainUserId == UserHandle.USER_NULL) {
+                val mainUser = withContext(backgroundDispatcher) { manager.mainUser }
+                mainUser?.let { mainUserId = it.identifier }
+            }
         }
     }
 
diff --git a/packages/SystemUI/src/com/android/systemui/user/domain/interactor/GuestUserInteractor.kt b/packages/SystemUI/src/com/android/systemui/user/domain/interactor/GuestUserInteractor.kt
index a374885..0a07439 100644
--- a/packages/SystemUI/src/com/android/systemui/user/domain/interactor/GuestUserInteractor.kt
+++ b/packages/SystemUI/src/com/android/systemui/user/domain/interactor/GuestUserInteractor.kt
@@ -139,11 +139,11 @@
         }
 
         applicationScope.launch {
-            var newUserId = UserHandle.USER_SYSTEM
+            var newUserId = repository.mainUserId
             if (targetUserId == UserHandle.USER_NULL) {
                 // When a target user is not specified switch to last non guest user:
                 val lastSelectedNonGuestUserHandle = repository.lastSelectedNonGuestUserId
-                if (lastSelectedNonGuestUserHandle != UserHandle.USER_SYSTEM) {
+                if (lastSelectedNonGuestUserHandle != repository.mainUserId) {
                     val info =
                         withContext(backgroundDispatcher) {
                             manager.getUserInfo(lastSelectedNonGuestUserHandle)
@@ -215,8 +215,11 @@
             // Create a new guest in the foreground, and then immediately switch to it
             val newGuestId = create(showDialog, dismissDialog)
             if (newGuestId == UserHandle.USER_NULL) {
-                Log.e(TAG, "Could not create new guest, switching back to system user")
-                switchUser(UserHandle.USER_SYSTEM)
+                Log.e(TAG, "Could not create new guest, switching back to main user")
+                val mainUser = withContext(backgroundDispatcher) { manager.mainUser?.identifier }
+
+                mainUser?.let { switchUser(it) }
+
                 withContext(backgroundDispatcher) {
                     manager.removeUserWhenPossible(
                         UserHandle.of(currentUser.id),
diff --git a/packages/SystemUI/tests/src/com/android/keyguard/KeyguardClockSwitchControllerTest.java b/packages/SystemUI/tests/src/com/android/keyguard/KeyguardClockSwitchControllerTest.java
index 36b3f89..ccc4e4a 100644
--- a/packages/SystemUI/tests/src/com/android/keyguard/KeyguardClockSwitchControllerTest.java
+++ b/packages/SystemUI/tests/src/com/android/keyguard/KeyguardClockSwitchControllerTest.java
@@ -300,8 +300,9 @@
         ArgumentCaptor<ContentObserver> observerCaptor =
                 ArgumentCaptor.forClass(ContentObserver.class);
         mController.init();
-        verify(mSecureSettings).registerContentObserverForUser(any(String.class),
-                anyBoolean(), observerCaptor.capture(), eq(UserHandle.USER_ALL));
+        verify(mSecureSettings).registerContentObserverForUser(
+                eq(Settings.Secure.LOCKSCREEN_USE_DOUBLE_LINE_CLOCK),
+                    anyBoolean(), observerCaptor.capture(), eq(UserHandle.USER_ALL));
         ContentObserver observer = observerCaptor.getValue();
         mExecutor.runAllReady();
 
@@ -347,6 +348,22 @@
         assertEquals(0, mController.getClockBottom(10));
     }
 
+    @Test
+    public void testChangeLockscreenWeatherEnabledSetsWeatherViewVisible() {
+        when(mSmartspaceController.isWeatherEnabled()).thenReturn(true);
+        ArgumentCaptor<ContentObserver> observerCaptor =
+                ArgumentCaptor.forClass(ContentObserver.class);
+        mController.init();
+        verify(mSecureSettings).registerContentObserverForUser(
+                eq(Settings.Secure.LOCK_SCREEN_WEATHER_ENABLED), anyBoolean(),
+                    observerCaptor.capture(), eq(UserHandle.USER_ALL));
+        ContentObserver observer = observerCaptor.getValue();
+        mExecutor.runAllReady();
+        // When a settings change has occurred, check that view is visible.
+        observer.onChange(true);
+        mExecutor.runAllReady();
+        assertEquals(View.VISIBLE, mFakeWeatherView.getVisibility());
+    }
 
     private void verifyAttachment(VerificationMode times) {
         verify(mClockRegistry, times).registerClockChangeListener(
diff --git a/packages/SystemUI/tests/src/com/android/systemui/ChooserSelectorTest.kt b/packages/SystemUI/tests/src/com/android/systemui/ChooserSelectorTest.kt
index 32edf8f..babbe45 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/ChooserSelectorTest.kt
+++ b/packages/SystemUI/tests/src/com/android/systemui/ChooserSelectorTest.kt
@@ -11,6 +11,7 @@
 import com.android.systemui.flags.Flag
 import com.android.systemui.flags.FlagListenable
 import com.android.systemui.flags.Flags
+import com.android.systemui.flags.ReleasedFlag
 import com.android.systemui.flags.UnreleasedFlag
 import com.android.systemui.settings.UserTracker
 import com.android.systemui.util.mockito.any
@@ -102,7 +103,7 @@
     @Test
     fun initialize_enablesUnbundledChooser_whenFlagEnabled() {
         // Arrange
-        whenever(mockFeatureFlags.isEnabled(any<UnreleasedFlag>())).thenReturn(true)
+        setFlagMock(true)
 
         // Act
         chooserSelector.start()
@@ -118,7 +119,7 @@
     @Test
     fun initialize_disablesUnbundledChooser_whenFlagDisabled() {
         // Arrange
-        whenever(mockFeatureFlags.isEnabled(any<UnreleasedFlag>())).thenReturn(false)
+        setFlagMock(false)
 
         // Act
         chooserSelector.start()
@@ -134,7 +135,7 @@
     @Test
     fun enablesUnbundledChooser_whenFlagBecomesEnabled() {
         // Arrange
-        whenever(mockFeatureFlags.isEnabled(any<UnreleasedFlag>())).thenReturn(false)
+        setFlagMock(false)
         chooserSelector.start()
         verify(mockFeatureFlags).addListener(
                 eq<Flag<*>>(Flags.CHOOSER_UNBUNDLED),
@@ -147,7 +148,7 @@
         )
 
         // Act
-        whenever(mockFeatureFlags.isEnabled(any<UnreleasedFlag>())).thenReturn(true)
+        setFlagMock(true)
         flagListener.value.onFlagChanged(TestFlagEvent(Flags.CHOOSER_UNBUNDLED.name))
 
         // Assert
@@ -161,7 +162,7 @@
     @Test
     fun disablesUnbundledChooser_whenFlagBecomesDisabled() {
         // Arrange
-        whenever(mockFeatureFlags.isEnabled(any<UnreleasedFlag>())).thenReturn(true)
+        setFlagMock(true)
         chooserSelector.start()
         verify(mockFeatureFlags).addListener(
                 eq<Flag<*>>(Flags.CHOOSER_UNBUNDLED),
@@ -174,7 +175,7 @@
         )
 
         // Act
-        whenever(mockFeatureFlags.isEnabled(any<UnreleasedFlag>())).thenReturn(false)
+        setFlagMock(false)
         flagListener.value.onFlagChanged(TestFlagEvent(Flags.CHOOSER_UNBUNDLED.name))
 
         // Assert
@@ -188,7 +189,7 @@
     @Test
     fun doesNothing_whenAnotherFlagChanges() {
         // Arrange
-        whenever(mockFeatureFlags.isEnabled(any<UnreleasedFlag>())).thenReturn(false)
+        setFlagMock(false)
         chooserSelector.start()
         verify(mockFeatureFlags).addListener(
                 eq<Flag<*>>(Flags.CHOOSER_UNBUNDLED),
@@ -197,13 +198,17 @@
         clearInvocations(mockPackageManager)
 
         // Act
-        whenever(mockFeatureFlags.isEnabled(any<UnreleasedFlag>())).thenReturn(false)
         flagListener.value.onFlagChanged(TestFlagEvent("other flag"))
 
         // Assert
         verifyZeroInteractions(mockPackageManager)
     }
 
+    private fun setFlagMock(enabled: Boolean) {
+        whenever(mockFeatureFlags.isEnabled(any<UnreleasedFlag>())).thenReturn(enabled)
+        whenever(mockFeatureFlags.isEnabled(any<ReleasedFlag>())).thenReturn(enabled)
+    }
+
     private class TestFlagEvent(override val flagName: String) : FlagListenable.FlagEvent {
         override fun requestNoRestart() {}
     }
diff --git a/packages/SystemUI/tests/src/com/android/systemui/navigationbar/gestural/MotionEventsHandlerTest.java b/packages/SystemUI/tests/src/com/android/systemui/navigationbar/gestural/MotionEventsHandlerTest.java
index 509d5f0..70ba306 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/navigationbar/gestural/MotionEventsHandlerTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/navigationbar/gestural/MotionEventsHandlerTest.java
@@ -16,10 +16,10 @@
 
 package com.android.systemui.navigationbar.gestural;
 
-import static android.view.InputDevice.SOURCE_TOUCHPAD;
-import static android.view.InputDevice.SOURCE_TOUCHSCREEN;
+import static android.view.InputDevice.SOURCE_MOUSE;
 import static android.view.MotionEvent.AXIS_GESTURE_X_OFFSET;
 import static android.view.MotionEvent.AXIS_GESTURE_Y_OFFSET;
+import static android.view.MotionEvent.CLASSIFICATION_MULTI_FINGER_SWIPE;
 
 import static com.google.common.truth.Truth.assertThat;
 
@@ -57,14 +57,9 @@
     @Test
     public void onTouchEvent_touchScreen_hasCorrectDisplacements() {
         MotionEvent down = MotionEvent.obtain(0, 0, MotionEvent.ACTION_DOWN, 100, 100, 0);
-        // TODO: change to use classification after gesture library is ported.
-        down.setSource(SOURCE_TOUCHSCREEN);
         MotionEvent move1 = MotionEvent.obtain(0, 1, MotionEvent.ACTION_MOVE, 150, 125, 0);
-        move1.setSource(SOURCE_TOUCHSCREEN);
         MotionEvent move2 = MotionEvent.obtain(0, 2, MotionEvent.ACTION_MOVE, 200, 150, 0);
-        move2.setSource(SOURCE_TOUCHSCREEN);
         MotionEvent up = MotionEvent.obtain(0, 3, MotionEvent.ACTION_UP, 250, 175, 0);
-        up.setSource(SOURCE_TOUCHSCREEN);
 
         mMotionEventsHandler.onMotionEvent(down);
         mMotionEventsHandler.onMotionEvent(move1);
@@ -90,8 +85,8 @@
         downPointerProperties[0].id = 1;
         downPointerProperties[0].toolType = MotionEvent.TOOL_TYPE_FINGER;
         MotionEvent down = MotionEvent.obtain(0, 0, MotionEvent.ACTION_DOWN, 1,
-                downPointerProperties, downPointerCoords, 0, 0, 1.0f, 1.0f, 0, 0,
-                SOURCE_TOUCHPAD, 0);
+                downPointerProperties, downPointerCoords, 0, 0, 1.0f, 1.0f, 0, 0, SOURCE_MOUSE,
+                0, 0, CLASSIFICATION_MULTI_FINGER_SWIPE);
 
         MotionEvent.PointerCoords[] movePointerCoords1 = new MotionEvent.PointerCoords[1];
         movePointerCoords1[0] = new MotionEvent.PointerCoords();
@@ -103,8 +98,8 @@
         movePointerProperties1[0].id = 1;
         movePointerProperties1[0].toolType = MotionEvent.TOOL_TYPE_FINGER;
         MotionEvent move1 = MotionEvent.obtain(0, 1, MotionEvent.ACTION_MOVE, 1,
-                movePointerProperties1, movePointerCoords1, 0, 0, 1.0f, 1.0f, 0, 0, SOURCE_TOUCHPAD,
-                0);
+                movePointerProperties1, movePointerCoords1, 0, 0, 1.0f, 1.0f, 0, 0, SOURCE_MOUSE,
+                0, 0, CLASSIFICATION_MULTI_FINGER_SWIPE);
 
         MotionEvent.PointerCoords[] movePointerCoords2 = new MotionEvent.PointerCoords[1];
         movePointerCoords2[0] = new MotionEvent.PointerCoords();
@@ -116,8 +111,8 @@
         movePointerProperties2[0].id = 1;
         movePointerProperties2[0].toolType = MotionEvent.TOOL_TYPE_FINGER;
         MotionEvent move2 = MotionEvent.obtain(0, 2, MotionEvent.ACTION_MOVE, 1,
-                movePointerProperties2, movePointerCoords2, 0, 0, 1.0f, 1.0f, 0, 0, SOURCE_TOUCHPAD,
-                0);
+                movePointerProperties2, movePointerCoords2, 0, 0, 1.0f, 1.0f, 0, 0, SOURCE_MOUSE,
+                0, 0, CLASSIFICATION_MULTI_FINGER_SWIPE);
 
         MotionEvent.PointerCoords[] upPointerCoords = new MotionEvent.PointerCoords[1];
         upPointerCoords[0] = new MotionEvent.PointerCoords();
@@ -129,7 +124,8 @@
         upPointerProperties2[0].id = 1;
         upPointerProperties2[0].toolType = MotionEvent.TOOL_TYPE_FINGER;
         MotionEvent up = MotionEvent.obtain(0, 2, MotionEvent.ACTION_UP, 1,
-                upPointerProperties2, upPointerCoords, 0, 0, 1.0f, 1.0f, 0, 0, SOURCE_TOUCHPAD, 0);
+                upPointerProperties2, upPointerCoords, 0, 0, 1.0f, 1.0f, 0, 0, SOURCE_MOUSE,
+                0, 0, CLASSIFICATION_MULTI_FINGER_SWIPE);
 
         mMotionEventsHandler.onMotionEvent(down);
         mMotionEventsHandler.onMotionEvent(move1);
diff --git a/packages/SystemUI/tests/src/com/android/systemui/notetask/NoteTaskControllerTest.kt b/packages/SystemUI/tests/src/com/android/systemui/notetask/NoteTaskControllerTest.kt
index 8440455..39c4e06 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/notetask/NoteTaskControllerTest.kt
+++ b/packages/SystemUI/tests/src/com/android/systemui/notetask/NoteTaskControllerTest.kt
@@ -23,10 +23,14 @@
 import android.os.UserManager
 import android.test.suitebuilder.annotation.SmallTest
 import androidx.test.runner.AndroidJUnit4
+import com.android.internal.logging.UiEventLogger
 import com.android.systemui.SysuiTestCase
-import com.android.systemui.notetask.NoteTaskIntentResolver.Companion.ACTION_CREATE_NOTE
+import com.android.systemui.notetask.NoteTaskController.Companion.INTENT_EXTRA_USE_STYLUS_MODE
+import com.android.systemui.notetask.NoteTaskController.ShowNoteTaskUiEvent
+import com.android.systemui.notetask.NoteTaskInfoResolver.NoteTaskInfo
 import com.android.systemui.notetask.shortcut.CreateNoteTaskShortcutActivity
 import com.android.systemui.util.mockito.argumentCaptor
+import com.android.systemui.util.mockito.capture
 import com.android.systemui.util.mockito.eq
 import com.android.systemui.util.mockito.whenever
 import com.android.wm.shell.bubbles.Bubbles
@@ -36,8 +40,8 @@
 import org.junit.Test
 import org.junit.runner.RunWith
 import org.mockito.Mock
-import org.mockito.Mockito.never
 import org.mockito.Mockito.verify
+import org.mockito.Mockito.verifyZeroInteractions
 import org.mockito.MockitoAnnotations
 
 /**
@@ -50,24 +54,23 @@
 @RunWith(AndroidJUnit4::class)
 internal class NoteTaskControllerTest : SysuiTestCase() {
 
-    private val notesIntent = Intent(ACTION_CREATE_NOTE)
-
     @Mock lateinit var context: Context
     @Mock lateinit var packageManager: PackageManager
-    @Mock lateinit var noteTaskIntentResolver: NoteTaskIntentResolver
+    @Mock lateinit var resolver: NoteTaskInfoResolver
     @Mock lateinit var bubbles: Bubbles
     @Mock lateinit var optionalBubbles: Optional<Bubbles>
     @Mock lateinit var keyguardManager: KeyguardManager
     @Mock lateinit var optionalKeyguardManager: Optional<KeyguardManager>
     @Mock lateinit var optionalUserManager: Optional<UserManager>
     @Mock lateinit var userManager: UserManager
+    @Mock lateinit var uiEventLogger: UiEventLogger
 
     @Before
     fun setUp() {
         MockitoAnnotations.initMocks(this)
 
         whenever(context.packageManager).thenReturn(packageManager)
-        whenever(noteTaskIntentResolver.resolveIntent()).thenReturn(notesIntent)
+        whenever(resolver.resolveInfo()).thenReturn(NoteTaskInfo(NOTES_PACKAGE_NAME, NOTES_UID))
         whenever(optionalBubbles.orElse(null)).thenReturn(bubbles)
         whenever(optionalKeyguardManager.orElse(null)).thenReturn(keyguardManager)
         whenever(optionalUserManager.orElse(null)).thenReturn(userManager)
@@ -77,101 +80,182 @@
     private fun createNoteTaskController(isEnabled: Boolean = true): NoteTaskController {
         return NoteTaskController(
             context = context,
-            intentResolver = noteTaskIntentResolver,
+            resolver = resolver,
             optionalBubbles = optionalBubbles,
             optionalKeyguardManager = optionalKeyguardManager,
             optionalUserManager = optionalUserManager,
             isEnabled = isEnabled,
+            uiEventLogger = uiEventLogger,
         )
     }
 
     // region showNoteTask
     @Test
-    fun showNoteTask_keyguardIsLocked_shouldStartActivity() {
+    fun showNoteTask_keyguardIsLocked_shouldStartActivityAndLogUiEvent() {
         whenever(keyguardManager.isKeyguardLocked).thenReturn(true)
 
-        createNoteTaskController().showNoteTask(isInMultiWindowMode = false)
+        createNoteTaskController()
+            .showNoteTask(
+                isInMultiWindowMode = false,
+                uiEvent = ShowNoteTaskUiEvent.NOTE_OPENED_VIA_KEYGUARD_QUICK_AFFORDANCE,
+            )
 
-        verify(context).startActivity(notesIntent)
-        verify(bubbles, never()).showOrHideAppBubble(notesIntent)
+        val intentCaptor = argumentCaptor<Intent>()
+        verify(context).startActivity(capture(intentCaptor))
+        intentCaptor.value.let { intent ->
+            assertThat(intent.action).isEqualTo(NoteTaskController.ACTION_CREATE_NOTE)
+            assertThat(intent.`package`).isEqualTo(NOTES_PACKAGE_NAME)
+            assertThat(intent.flags).isEqualTo(Intent.FLAG_ACTIVITY_NEW_TASK)
+            assertThat(intent.getBooleanExtra(INTENT_EXTRA_USE_STYLUS_MODE, false)).isTrue()
+        }
+        verifyZeroInteractions(bubbles)
+        verify(uiEventLogger)
+            .log(
+                ShowNoteTaskUiEvent.NOTE_OPENED_VIA_KEYGUARD_QUICK_AFFORDANCE,
+                NOTES_UID,
+                NOTES_PACKAGE_NAME
+            )
     }
 
     @Test
-    fun showNoteTask_keyguardIsUnlocked_shouldStartBubbles() {
+    fun showNoteTask_keyguardIsUnlocked_shouldStartBubblesAndLogUiEvent() {
         whenever(keyguardManager.isKeyguardLocked).thenReturn(false)
 
-        createNoteTaskController().showNoteTask(isInMultiWindowMode = false)
+        createNoteTaskController()
+            .showNoteTask(
+                isInMultiWindowMode = false,
+                uiEvent = ShowNoteTaskUiEvent.NOTE_OPENED_VIA_STYLUS_TAIL_BUTTON,
+            )
 
-        verify(bubbles).showOrHideAppBubble(notesIntent)
-        verify(context, never()).startActivity(notesIntent)
+        verifyZeroInteractions(context)
+        val intentCaptor = argumentCaptor<Intent>()
+        verify(bubbles).showOrHideAppBubble(capture(intentCaptor))
+        intentCaptor.value.let { intent ->
+            assertThat(intent.action).isEqualTo(NoteTaskController.ACTION_CREATE_NOTE)
+            assertThat(intent.`package`).isEqualTo(NOTES_PACKAGE_NAME)
+            assertThat(intent.flags).isEqualTo(Intent.FLAG_ACTIVITY_NEW_TASK)
+            assertThat(intent.getBooleanExtra(INTENT_EXTRA_USE_STYLUS_MODE, false)).isTrue()
+        }
+        verify(uiEventLogger)
+            .log(
+                ShowNoteTaskUiEvent.NOTE_OPENED_VIA_STYLUS_TAIL_BUTTON,
+                NOTES_UID,
+                NOTES_PACKAGE_NAME
+            )
     }
 
     @Test
-    fun showNoteTask_isInMultiWindowMode_shouldStartActivity() {
+    fun showNoteTask_keyguardIsUnlocked_uiEventIsNull_shouldStartBubblesWithoutLoggingUiEvent() {
         whenever(keyguardManager.isKeyguardLocked).thenReturn(false)
 
-        createNoteTaskController().showNoteTask(isInMultiWindowMode = true)
+        createNoteTaskController().showNoteTask(isInMultiWindowMode = false, uiEvent = null)
 
-        verify(context).startActivity(notesIntent)
-        verify(bubbles, never()).showOrHideAppBubble(notesIntent)
+        verifyZeroInteractions(context)
+        val intentCaptor = argumentCaptor<Intent>()
+        verify(bubbles).showOrHideAppBubble(capture(intentCaptor))
+        intentCaptor.value.let { intent ->
+            assertThat(intent.action).isEqualTo(NoteTaskController.ACTION_CREATE_NOTE)
+            assertThat(intent.`package`).isEqualTo(NOTES_PACKAGE_NAME)
+            assertThat(intent.flags).isEqualTo(Intent.FLAG_ACTIVITY_NEW_TASK)
+            assertThat(intent.getBooleanExtra(INTENT_EXTRA_USE_STYLUS_MODE, false)).isTrue()
+        }
+        verifyZeroInteractions(uiEventLogger)
+    }
+
+    @Test
+    fun showNoteTask_isInMultiWindowMode_shouldStartActivityAndLogUiEvent() {
+        whenever(keyguardManager.isKeyguardLocked).thenReturn(false)
+
+        createNoteTaskController()
+            .showNoteTask(
+                isInMultiWindowMode = true,
+                uiEvent = ShowNoteTaskUiEvent.NOTE_OPENED_VIA_SHORTCUT,
+            )
+
+        val intentCaptor = argumentCaptor<Intent>()
+        verify(context).startActivity(capture(intentCaptor))
+        intentCaptor.value.let { intent ->
+            assertThat(intent.action).isEqualTo(NoteTaskController.ACTION_CREATE_NOTE)
+            assertThat(intent.`package`).isEqualTo(NOTES_PACKAGE_NAME)
+            assertThat(intent.flags).isEqualTo(Intent.FLAG_ACTIVITY_NEW_TASK)
+            assertThat(intent.getBooleanExtra(INTENT_EXTRA_USE_STYLUS_MODE, false)).isTrue()
+        }
+        verifyZeroInteractions(bubbles)
+        verify(uiEventLogger)
+            .log(ShowNoteTaskUiEvent.NOTE_OPENED_VIA_SHORTCUT, NOTES_UID, NOTES_PACKAGE_NAME)
     }
 
     @Test
     fun showNoteTask_bubblesIsNull_shouldDoNothing() {
         whenever(optionalBubbles.orElse(null)).thenReturn(null)
 
-        createNoteTaskController().showNoteTask(isInMultiWindowMode = false)
+        createNoteTaskController()
+            .showNoteTask(
+                isInMultiWindowMode = false,
+                uiEvent = ShowNoteTaskUiEvent.NOTE_OPENED_VIA_STYLUS_TAIL_BUTTON
+            )
 
-        verify(context, never()).startActivity(notesIntent)
-        verify(bubbles, never()).showOrHideAppBubble(notesIntent)
+        verifyZeroInteractions(context, bubbles, uiEventLogger)
     }
 
     @Test
     fun showNoteTask_keyguardManagerIsNull_shouldDoNothing() {
         whenever(optionalKeyguardManager.orElse(null)).thenReturn(null)
 
-        createNoteTaskController().showNoteTask(isInMultiWindowMode = false)
+        createNoteTaskController()
+            .showNoteTask(
+                isInMultiWindowMode = false,
+                uiEvent = ShowNoteTaskUiEvent.NOTE_OPENED_VIA_STYLUS_TAIL_BUTTON,
+            )
 
-        verify(context, never()).startActivity(notesIntent)
-        verify(bubbles, never()).showOrHideAppBubble(notesIntent)
+        verifyZeroInteractions(context, bubbles, uiEventLogger)
     }
 
     @Test
     fun showNoteTask_userManagerIsNull_shouldDoNothing() {
         whenever(optionalUserManager.orElse(null)).thenReturn(null)
 
-        createNoteTaskController().showNoteTask(isInMultiWindowMode = false)
+        createNoteTaskController()
+            .showNoteTask(
+                isInMultiWindowMode = false,
+                uiEvent = ShowNoteTaskUiEvent.NOTE_OPENED_VIA_STYLUS_TAIL_BUTTON,
+            )
 
-        verify(context, never()).startActivity(notesIntent)
-        verify(bubbles, never()).showOrHideAppBubble(notesIntent)
+        verifyZeroInteractions(context, bubbles, uiEventLogger)
     }
 
     @Test
     fun showNoteTask_intentResolverReturnsNull_shouldDoNothing() {
-        whenever(noteTaskIntentResolver.resolveIntent()).thenReturn(null)
+        whenever(resolver.resolveInfo()).thenReturn(null)
 
-        createNoteTaskController().showNoteTask(isInMultiWindowMode = false)
+        createNoteTaskController()
+            .showNoteTask(
+                isInMultiWindowMode = false,
+                uiEvent = ShowNoteTaskUiEvent.NOTE_OPENED_VIA_STYLUS_TAIL_BUTTON,
+            )
 
-        verify(context, never()).startActivity(notesIntent)
-        verify(bubbles, never()).showOrHideAppBubble(notesIntent)
+        verifyZeroInteractions(context, bubbles, uiEventLogger)
     }
 
     @Test
     fun showNoteTask_flagDisabled_shouldDoNothing() {
-        createNoteTaskController(isEnabled = false).showNoteTask()
+        createNoteTaskController(isEnabled = false)
+            .showNoteTask(uiEvent = ShowNoteTaskUiEvent.NOTE_OPENED_VIA_STYLUS_TAIL_BUTTON)
 
-        verify(context, never()).startActivity(notesIntent)
-        verify(bubbles, never()).showOrHideAppBubble(notesIntent)
+        verifyZeroInteractions(context, bubbles, uiEventLogger)
     }
 
     @Test
     fun showNoteTask_userIsLocked_shouldDoNothing() {
         whenever(userManager.isUserUnlocked).thenReturn(false)
 
-        createNoteTaskController().showNoteTask(isInMultiWindowMode = false)
+        createNoteTaskController()
+            .showNoteTask(
+                isInMultiWindowMode = false,
+                uiEvent = ShowNoteTaskUiEvent.NOTE_OPENED_VIA_STYLUS_TAIL_BUTTON,
+            )
 
-        verify(context, never()).startActivity(notesIntent)
-        verify(bubbles, never()).showOrHideAppBubble(notesIntent)
+        verifyZeroInteractions(context, bubbles, uiEventLogger)
     }
     // endregion
 
@@ -206,4 +290,9 @@
         assertThat(argument.value.flattenToString()).isEqualTo(expected.flattenToString())
     }
     // endregion
+
+    private companion object {
+        const val NOTES_PACKAGE_NAME = "com.android.note.app"
+        const val NOTES_UID = 123456
+    }
 }
diff --git a/packages/SystemUI/tests/src/com/android/systemui/notetask/NoteTaskInfoResolverTest.kt b/packages/SystemUI/tests/src/com/android/systemui/notetask/NoteTaskInfoResolverTest.kt
new file mode 100644
index 0000000..d6495d8
--- /dev/null
+++ b/packages/SystemUI/tests/src/com/android/systemui/notetask/NoteTaskInfoResolverTest.kt
@@ -0,0 +1,108 @@
+/*
+ * 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.notetask
+
+import android.app.role.RoleManager
+import android.content.pm.ApplicationInfo
+import android.content.pm.PackageManager
+import android.test.suitebuilder.annotation.SmallTest
+import androidx.test.runner.AndroidJUnit4
+import com.android.systemui.SysuiTestCase
+import com.android.systemui.util.mockito.eq
+import com.android.systemui.util.mockito.whenever
+import com.google.common.truth.Truth.assertThat
+import org.junit.Before
+import org.junit.Test
+import org.junit.runner.RunWith
+import org.mockito.Mock
+import org.mockito.Mockito.any
+import org.mockito.MockitoAnnotations
+
+/**
+ * Tests for [NoteTaskInfoResolver].
+ *
+ * Build/Install/Run:
+ * - atest SystemUITests:NoteTaskInfoResolverTest
+ */
+@SmallTest
+@RunWith(AndroidJUnit4::class)
+internal class NoteTaskInfoResolverTest : SysuiTestCase() {
+
+    @Mock lateinit var packageManager: PackageManager
+    @Mock lateinit var roleManager: RoleManager
+
+    private lateinit var underTest: NoteTaskInfoResolver
+
+    @Before
+    fun setUp() {
+        MockitoAnnotations.initMocks(this)
+        underTest = NoteTaskInfoResolver(context, roleManager, packageManager)
+    }
+
+    @Test
+    fun resolveInfo_shouldReturnInfo() {
+        val packageName = "com.android.note.app"
+        val uid = 123456
+        whenever(roleManager.getRoleHoldersAsUser(NoteTaskInfoResolver.ROLE_NOTES, context.user))
+            .then { listOf(packageName) }
+        whenever(
+                packageManager.getApplicationInfoAsUser(
+                    eq(packageName),
+                    any<PackageManager.ApplicationInfoFlags>(),
+                    eq(context.user)
+                )
+            )
+            .thenReturn(ApplicationInfo().apply { this.uid = uid })
+
+        val actual = underTest.resolveInfo()
+
+        requireNotNull(actual) { "Note task info must not be null" }
+        assertThat(actual.packageName).isEqualTo(packageName)
+        assertThat(actual.uid).isEqualTo(uid)
+    }
+
+    @Test
+    fun resolveInfo_packageManagerThrowsException_shouldReturnInfoWithZeroUid() {
+        val packageName = "com.android.note.app"
+        whenever(roleManager.getRoleHoldersAsUser(NoteTaskInfoResolver.ROLE_NOTES, context.user))
+            .then { listOf(packageName) }
+        whenever(
+                packageManager.getApplicationInfoAsUser(
+                    eq(packageName),
+                    any<PackageManager.ApplicationInfoFlags>(),
+                    eq(context.user)
+                )
+            )
+            .thenThrow(PackageManager.NameNotFoundException(packageName))
+
+        val actual = underTest.resolveInfo()
+
+        requireNotNull(actual) { "Note task info must not be null" }
+        assertThat(actual.packageName).isEqualTo(packageName)
+        assertThat(actual.uid).isEqualTo(0)
+    }
+
+    @Test
+    fun resolveInfo_noRoleHolderIsSet_shouldReturnNull() {
+        whenever(roleManager.getRoleHoldersAsUser(eq(NoteTaskInfoResolver.ROLE_NOTES), any()))
+            .then { listOf<String>() }
+
+        val actual = underTest.resolveInfo()
+
+        assertThat(actual).isNull()
+    }
+}
diff --git a/packages/SystemUI/tests/src/com/android/systemui/notetask/NoteTaskInitializerTest.kt b/packages/SystemUI/tests/src/com/android/systemui/notetask/NoteTaskInitializerTest.kt
index 010ac5b..53720ff 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/notetask/NoteTaskInitializerTest.kt
+++ b/packages/SystemUI/tests/src/com/android/systemui/notetask/NoteTaskInitializerTest.kt
@@ -15,11 +15,14 @@
  */
 package com.android.systemui.notetask
 
+import android.app.KeyguardManager
 import android.test.suitebuilder.annotation.SmallTest
 import android.view.KeyEvent
 import androidx.test.runner.AndroidJUnit4
 import com.android.systemui.SysuiTestCase
+import com.android.systemui.notetask.NoteTaskController.ShowNoteTaskUiEvent
 import com.android.systemui.statusbar.CommandQueue
+import com.android.systemui.util.mockito.mock
 import com.android.systemui.util.mockito.whenever
 import com.android.wm.shell.bubbles.Bubbles
 import java.util.Optional
@@ -30,6 +33,7 @@
 import org.mockito.Mock
 import org.mockito.Mockito.never
 import org.mockito.Mockito.verify
+import org.mockito.Mockito.verifyZeroInteractions
 import org.mockito.MockitoAnnotations
 
 /**
@@ -55,12 +59,16 @@
         whenever(optionalBubbles.orElse(null)).thenReturn(bubbles)
     }
 
-    private fun createNoteTaskInitializer(isEnabled: Boolean = true): NoteTaskInitializer {
+    private fun createNoteTaskInitializer(
+        isEnabled: Boolean = true,
+        optionalKeyguardManager: Optional<KeyguardManager> = Optional.empty(),
+    ): NoteTaskInitializer {
         return NoteTaskInitializer(
             optionalBubbles = optionalBubbles,
             noteTaskController = noteTaskController,
             commandQueue = commandQueue,
             isEnabled = isEnabled,
+            optionalKeyguardManager = optionalKeyguardManager,
         )
     }
 
@@ -105,19 +113,44 @@
 
     // region handleSystemKey
     @Test
-    fun handleSystemKey_receiveValidSystemKey_shouldShowNoteTask() {
-        createNoteTaskInitializer()
+    fun handleSystemKey_receiveValidSystemKey_keyguardNotLocked_shouldShowNoteTaskWithUnlocked() {
+        val keyguardManager =
+            mock<KeyguardManager>() { whenever(isKeyguardLocked).thenReturn(false) }
+        createNoteTaskInitializer(optionalKeyguardManager = Optional.of(keyguardManager))
             .callbacks
             .handleSystemKey(NoteTaskController.NOTE_TASK_KEY_EVENT)
 
-        verify(noteTaskController).showNoteTask()
+        verify(noteTaskController)
+            .showNoteTask(uiEvent = ShowNoteTaskUiEvent.NOTE_OPENED_VIA_STYLUS_TAIL_BUTTON)
+    }
+
+    @Test
+    fun handleSystemKey_receiveValidSystemKey_keyguardLocked_shouldShowNoteTaskWithLocked() {
+        val keyguardManager =
+            mock<KeyguardManager>() { whenever(isKeyguardLocked).thenReturn(true) }
+        createNoteTaskInitializer(optionalKeyguardManager = Optional.of(keyguardManager))
+            .callbacks
+            .handleSystemKey(NoteTaskController.NOTE_TASK_KEY_EVENT)
+
+        verify(noteTaskController)
+            .showNoteTask(uiEvent = ShowNoteTaskUiEvent.NOTE_OPENED_VIA_STYLUS_TAIL_BUTTON_LOCKED)
+    }
+
+    @Test
+    fun handleSystemKey_receiveValidSystemKey_nullKeyguardManager_shouldShowNoteTaskWithUnlocked() {
+        createNoteTaskInitializer(optionalKeyguardManager = Optional.empty())
+            .callbacks
+            .handleSystemKey(NoteTaskController.NOTE_TASK_KEY_EVENT)
+
+        verify(noteTaskController)
+            .showNoteTask(uiEvent = ShowNoteTaskUiEvent.NOTE_OPENED_VIA_STYLUS_TAIL_BUTTON)
     }
 
     @Test
     fun handleSystemKey_receiveInvalidSystemKey_shouldDoNothing() {
         createNoteTaskInitializer().callbacks.handleSystemKey(KeyEvent.KEYCODE_UNKNOWN)
 
-        verify(noteTaskController, never()).showNoteTask()
+        verifyZeroInteractions(noteTaskController)
     }
     // endregion
 }
diff --git a/packages/SystemUI/tests/src/com/android/systemui/notetask/NoteTaskIntentResolverTest.kt b/packages/SystemUI/tests/src/com/android/systemui/notetask/NoteTaskIntentResolverTest.kt
deleted file mode 100644
index 18be92b..0000000
--- a/packages/SystemUI/tests/src/com/android/systemui/notetask/NoteTaskIntentResolverTest.kt
+++ /dev/null
@@ -1,83 +0,0 @@
-/*
- * Copyright (C) 2022 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package com.android.systemui.notetask
-
-import android.app.role.RoleManager
-import android.content.Intent
-import android.content.pm.PackageManager
-import android.test.suitebuilder.annotation.SmallTest
-import androidx.test.runner.AndroidJUnit4
-import com.android.systemui.SysuiTestCase
-import com.android.systemui.notetask.NoteTaskIntentResolver.Companion.ACTION_CREATE_NOTE
-import com.android.systemui.util.mockito.eq
-import com.android.systemui.util.mockito.whenever
-import com.google.common.truth.Truth.assertThat
-import org.junit.Before
-import org.junit.Test
-import org.junit.runner.RunWith
-import org.mockito.Mock
-import org.mockito.Mockito.any
-import org.mockito.MockitoAnnotations
-
-/**
- * Tests for [NoteTaskIntentResolver].
- *
- * Build/Install/Run:
- * - atest SystemUITests:NoteTaskIntentResolverTest
- */
-@SmallTest
-@RunWith(AndroidJUnit4::class)
-internal class NoteTaskIntentResolverTest : SysuiTestCase() {
-
-    @Mock lateinit var packageManager: PackageManager
-    @Mock lateinit var roleManager: RoleManager
-
-    private lateinit var underTest: NoteTaskIntentResolver
-
-    @Before
-    fun setUp() {
-        MockitoAnnotations.initMocks(this)
-        underTest = NoteTaskIntentResolver(context, roleManager)
-    }
-
-    @Test
-    fun resolveIntent_shouldReturnIntentInStylusMode() {
-        val packageName = "com.android.note.app"
-        whenever(roleManager.getRoleHoldersAsUser(NoteTaskIntentResolver.ROLE_NOTES, context.user))
-            .then { listOf(packageName) }
-
-        val actual = underTest.resolveIntent()
-
-        requireNotNull(actual) { "Intent must not be null" }
-        assertThat(actual.action).isEqualTo(ACTION_CREATE_NOTE)
-        assertThat(actual.`package`).isEqualTo(packageName)
-        val expectedExtra = actual.getExtra(NoteTaskIntentResolver.INTENT_EXTRA_USE_STYLUS_MODE)
-        assertThat(expectedExtra).isEqualTo(true)
-        val expectedFlag = actual.flags and Intent.FLAG_ACTIVITY_NEW_TASK
-        assertThat(expectedFlag).isEqualTo(Intent.FLAG_ACTIVITY_NEW_TASK)
-    }
-
-    @Test
-    fun resolveIntent_noRoleHolderIsSet_shouldReturnNull() {
-        whenever(roleManager.getRoleHoldersAsUser(eq(NoteTaskIntentResolver.ROLE_NOTES), any()))
-            .then { listOf<String>() }
-
-        val actual = underTest.resolveIntent()
-
-        assertThat(actual).isNull()
-    }
-}
diff --git a/packages/SystemUI/tests/src/com/android/systemui/notetask/quickaffordance/NoteTaskQuickAffordanceConfigTest.kt b/packages/SystemUI/tests/src/com/android/systemui/notetask/quickaffordance/NoteTaskQuickAffordanceConfigTest.kt
index a1d42a0..cdc683f 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/notetask/quickaffordance/NoteTaskQuickAffordanceConfigTest.kt
+++ b/packages/SystemUI/tests/src/com/android/systemui/notetask/quickaffordance/NoteTaskQuickAffordanceConfigTest.kt
@@ -27,7 +27,7 @@
 import com.android.systemui.coroutines.collectLastValue
 import com.android.systemui.keyguard.data.quickaffordance.KeyguardQuickAffordanceConfig.LockScreenState
 import com.android.systemui.notetask.NoteTaskController
-import com.android.systemui.util.mockito.whenever
+import com.android.systemui.notetask.NoteTaskController.ShowNoteTaskUiEvent
 import com.google.common.truth.Truth.assertThat
 import kotlinx.coroutines.ExperimentalCoroutinesApi
 import kotlinx.coroutines.test.runTest
@@ -53,7 +53,6 @@
     @Before
     fun setUp() {
         MockitoAnnotations.initMocks(this)
-        whenever(noteTaskController.showNoteTask()).then {}
     }
 
     private fun createUnderTest(isEnabled: Boolean) =
@@ -96,6 +95,7 @@
 
         underTest.onTriggered(expandable = null)
 
-        verify(noteTaskController).showNoteTask()
+        verify(noteTaskController)
+            .showNoteTask(uiEvent = ShowNoteTaskUiEvent.NOTE_OPENED_VIA_KEYGUARD_QUICK_AFFORDANCE)
     }
 }
diff --git a/packages/SystemUI/tests/src/com/android/systemui/user/data/repository/UserRepositoryImplTest.kt b/packages/SystemUI/tests/src/com/android/systemui/user/data/repository/UserRepositoryImplTest.kt
index ccf378a..9312643 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/user/data/repository/UserRepositoryImplTest.kt
+++ b/packages/SystemUI/tests/src/com/android/systemui/user/data/repository/UserRepositoryImplTest.kt
@@ -128,6 +128,11 @@
 
     @Test
     fun refreshUsers() = runSelfCancelingTest {
+        val mainUserId = 10
+        val mainUser = mock(UserHandle::class.java)
+        whenever(manager.mainUser).thenReturn(mainUser)
+        whenever(mainUser.identifier).thenReturn(mainUserId)
+
         underTest = create(this)
         val initialExpectedValue =
             setUpUsers(
@@ -166,6 +171,7 @@
         assertThat(selectedUserInfo).isEqualTo(thirdExpectedValue[1])
         assertThat(selectedUserInfo?.isGuest).isTrue()
         assertThat(underTest.lastSelectedNonGuestUserId).isEqualTo(selectedNonGuestUserId)
+        assertThat(underTest.mainUserId).isEqualTo(mainUserId)
     }
 
     @Test
diff --git a/packages/SystemUI/tests/src/com/android/systemui/user/domain/interactor/GuestUserInteractorTest.kt b/packages/SystemUI/tests/src/com/android/systemui/user/domain/interactor/GuestUserInteractorTest.kt
index fb781e8..cc23485 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/user/domain/interactor/GuestUserInteractorTest.kt
+++ b/packages/SystemUI/tests/src/com/android/systemui/user/domain/interactor/GuestUserInteractorTest.kt
@@ -204,10 +204,12 @@
         }
 
     @Test
-    fun `exit - last non-guest was removed - returns to system`() =
+    fun `exit - last non-guest was removed - returns to main user`() =
         runBlocking(IMMEDIATE) {
             val removedUserId = 310
+            val mainUserId = 10
             repository.lastSelectedNonGuestUserId = removedUserId
+            repository.mainUserId = mainUserId
             repository.setSelectedUserInfo(GUEST_USER_INFO)
 
             underTest.exit(
@@ -221,7 +223,7 @@
 
             verify(manager, never()).markGuestForDeletion(anyInt())
             verify(manager, never()).removeUser(anyInt())
-            verify(switchUser).invoke(UserHandle.USER_SYSTEM)
+            verify(switchUser).invoke(mainUserId)
         }
 
     @Test
diff --git a/packages/SystemUI/tests/utils/src/com/android/systemui/user/data/repository/FakeUserRepository.kt b/packages/SystemUI/tests/utils/src/com/android/systemui/user/data/repository/FakeUserRepository.kt
index 1a8e244..53bb340 100644
--- a/packages/SystemUI/tests/utils/src/com/android/systemui/user/data/repository/FakeUserRepository.kt
+++ b/packages/SystemUI/tests/utils/src/com/android/systemui/user/data/repository/FakeUserRepository.kt
@@ -28,6 +28,10 @@
 import kotlinx.coroutines.yield
 
 class FakeUserRepository : UserRepository {
+    companion object {
+        // User id to represent a non system (human) user id. We presume this is the main user.
+        private const val MAIN_USER_ID = 10
+    }
 
     private val _userSwitcherSettings = MutableStateFlow(UserSwitcherSettingsModel())
     override val userSwitcherSettings: Flow<UserSwitcherSettingsModel> =
@@ -43,7 +47,8 @@
     override val userSwitchingInProgress: Flow<Boolean>
         get() = _userSwitchingInProgress
 
-    override var lastSelectedNonGuestUserId: Int = UserHandle.USER_SYSTEM
+    override var mainUserId: Int = MAIN_USER_ID
+    override var lastSelectedNonGuestUserId: Int = mainUserId
 
     private var _isGuestUserAutoCreated: Boolean = false
     override val isGuestUserAutoCreated: Boolean
diff --git a/services/core/java/com/android/server/am/ProcessList.java b/services/core/java/com/android/server/am/ProcessList.java
index 04c0d64..2b2de81e 100644
--- a/services/core/java/com/android/server/am/ProcessList.java
+++ b/services/core/java/com/android/server/am/ProcessList.java
@@ -3888,7 +3888,7 @@
         return runList;
     }
 
-    @GuardedBy(anyOf = {"mService", "mProfileLock"})
+    @GuardedBy(anyOf = {"mService", "mProcLock"})
     int getLruSizeLOSP() {
         return mLruProcesses.size();
     }
@@ -3896,7 +3896,7 @@
     /**
      * Return the reference to the LRU list, call this function for read-only access
      */
-    @GuardedBy(anyOf = {"mService", "mProfileLock"})
+    @GuardedBy(anyOf = {"mService", "mProcLock"})
     ArrayList<ProcessRecord> getLruProcessesLOSP() {
         return mLruProcesses;
     }
@@ -3904,7 +3904,7 @@
     /**
      * Return the reference to the LRU list, call this function for read/write access
      */
-    @GuardedBy({"mService", "mProfileLock"})
+    @GuardedBy({"mService", "mProcLock"})
     ArrayList<ProcessRecord> getLruProcessesLSP() {
         return mLruProcesses;
     }
@@ -3913,12 +3913,12 @@
      * For test only
      */
     @VisibleForTesting
-    @GuardedBy({"mService", "mProfileLock"})
+    @GuardedBy({"mService", "mProcLock"})
     void setLruProcessServiceStartLSP(int pos) {
         mLruProcessServiceStart = pos;
     }
 
-    @GuardedBy(anyOf = {"mService", "mProfileLock"})
+    @GuardedBy(anyOf = {"mService", "mProcLock"})
     int getLruProcessServiceStartLOSP() {
         return mLruProcessServiceStart;
     }
@@ -3931,7 +3931,7 @@
      *                       to most recent used ProcessRecord.
      * @param callback The callback interface to accept the current ProcessRecord.
      */
-    @GuardedBy(anyOf = {"mService", "mProfileLock"})
+    @GuardedBy(anyOf = {"mService", "mProcLock"})
     void forEachLruProcessesLOSP(boolean iterateForward,
             @NonNull Consumer<ProcessRecord> callback) {
         if (iterateForward) {
@@ -3956,7 +3956,7 @@
      *                 a non-null object, the search will be halted and this object will be used
      *                 as the return value of this search function.
      */
-    @GuardedBy(anyOf = {"mService", "mProfileLock"})
+    @GuardedBy(anyOf = {"mService", "mProcLock"})
     <R> R searchEachLruProcessesLOSP(boolean iterateForward,
             @NonNull Function<ProcessRecord, R> callback) {
         if (iterateForward) {
@@ -3977,17 +3977,17 @@
         return null;
     }
 
-    @GuardedBy(anyOf = {"mService", "mProfileLock"})
+    @GuardedBy(anyOf = {"mService", "mProcLock"})
     boolean isInLruListLOSP(ProcessRecord app) {
         return mLruProcesses.contains(app);
     }
 
-    @GuardedBy(anyOf = {"mService", "mProfileLock"})
+    @GuardedBy(anyOf = {"mService", "mProcLock"})
     int getLruSeqLOSP() {
         return mLruSeq;
     }
 
-    @GuardedBy(anyOf = {"mService", "mProfileLock"})
+    @GuardedBy(anyOf = {"mService", "mProcLock"})
     MyProcessMap getProcessNamesLOSP() {
         return mProcessNames;
     }
diff --git a/services/core/java/com/android/server/am/SettingsToPropertiesMapper.java b/services/core/java/com/android/server/am/SettingsToPropertiesMapper.java
index 12784bf..60a7f93 100644
--- a/services/core/java/com/android/server/am/SettingsToPropertiesMapper.java
+++ b/services/core/java/com/android/server/am/SettingsToPropertiesMapper.java
@@ -104,6 +104,7 @@
         DeviceConfig.NAMESPACE_VENDOR_SYSTEM_NATIVE_BOOT,
         DeviceConfig.NAMESPACE_VIRTUALIZATION_FRAMEWORK_NATIVE,
         DeviceConfig.NAMESPACE_WINDOW_MANAGER_NATIVE_BOOT,
+        DeviceConfig.NAMESPACE_MEMORY_SAFETY_NATIVE_BOOT,
         DeviceConfig.NAMESPACE_MEMORY_SAFETY_NATIVE,
         DeviceConfig.NAMESPACE_HDMI_CONTROL
     };
diff --git a/services/core/java/com/android/server/display/DisplayModeDirector.java b/services/core/java/com/android/server/display/DisplayModeDirector.java
index 29caefb..91ef167 100644
--- a/services/core/java/com/android/server/display/DisplayModeDirector.java
+++ b/services/core/java/com/android/server/display/DisplayModeDirector.java
@@ -733,7 +733,7 @@
 
     /**
      * Sets the display mode switching type.
-     * @param newType
+     * @param newType new mode switching type
      */
     public void setModeSwitchingType(@DisplayManager.SwitchingType int newType) {
         synchronized (mLock) {
@@ -850,6 +850,18 @@
         notifyDesiredDisplayModeSpecsChangedLocked();
     }
 
+    @GuardedBy("mLock")
+    private float getMaxRefreshRateLocked(int displayId) {
+        Display.Mode[] modes = mSupportedModesByDisplay.get(displayId);
+        float maxRefreshRate = 0f;
+        for (Display.Mode mode : modes) {
+            if (mode.getRefreshRate() > maxRefreshRate) {
+                maxRefreshRate = mode.getRefreshRate();
+            }
+        }
+        return maxRefreshRate;
+    }
+
     private void notifyDesiredDisplayModeSpecsChangedLocked() {
         if (mDesiredDisplayModeSpecsListener != null
                 && !mHandler.hasMessages(MSG_REFRESH_RATE_RANGE_CHANGED)) {
@@ -1186,29 +1198,33 @@
         // rest of low priority voters. It votes [0, max(PEAK, MIN)]
         public static final int PRIORITY_USER_SETTING_PEAK_RENDER_FRAME_RATE = 7;
 
+        // To avoid delay in switching between 60HZ -> 90HZ when activating LHBM, set refresh
+        // rate to max value (same as for PRIORITY_UDFPS) on lock screen
+        public static final int PRIORITY_AUTH_OPTIMIZER_RENDER_FRAME_RATE = 8;
+
         // For concurrent displays we want to limit refresh rate on all displays
-        public static final int PRIORITY_LAYOUT_LIMITED_FRAME_RATE = 8;
+        public static final int PRIORITY_LAYOUT_LIMITED_FRAME_RATE = 9;
 
         // LOW_POWER_MODE force the render frame rate to [0, 60HZ] if
         // Settings.Global.LOW_POWER_MODE is on.
-        public static final int PRIORITY_LOW_POWER_MODE = 9;
+        public static final int PRIORITY_LOW_POWER_MODE = 10;
 
         // PRIORITY_FLICKER_REFRESH_RATE_SWITCH votes for disabling refresh rate switching. If the
         // higher priority voters' result is a range, it will fix the rate to a single choice.
         // It's used to avoid refresh rate switches in certain conditions which may result in the
         // user seeing the display flickering when the switches occur.
-        public static final int PRIORITY_FLICKER_REFRESH_RATE_SWITCH = 10;
+        public static final int PRIORITY_FLICKER_REFRESH_RATE_SWITCH = 11;
 
         // Force display to [0, 60HZ] if skin temperature is at or above CRITICAL.
-        public static final int PRIORITY_SKIN_TEMPERATURE = 11;
+        public static final int PRIORITY_SKIN_TEMPERATURE = 12;
 
         // The proximity sensor needs the refresh rate to be locked in order to function, so this is
         // set to a high priority.
-        public static final int PRIORITY_PROXIMITY = 12;
+        public static final int PRIORITY_PROXIMITY = 13;
 
         // The Under-Display Fingerprint Sensor (UDFPS) needs the refresh rate to be locked in order
         // to function, so this needs to be the highest priority of all votes.
-        public static final int PRIORITY_UDFPS = 13;
+        public static final int PRIORITY_UDFPS = 14;
 
         // Whenever a new priority is added, remember to update MIN_PRIORITY, MAX_PRIORITY, and
         // APP_REQUEST_REFRESH_RATE_RANGE_PRIORITY_CUTOFF, as well as priorityToString.
@@ -1325,6 +1341,8 @@
                     return "PRIORITY_USER_SETTING_MIN_RENDER_FRAME_RATE";
                 case PRIORITY_USER_SETTING_PEAK_RENDER_FRAME_RATE:
                     return "PRIORITY_USER_SETTING_PEAK_RENDER_FRAME_RATE";
+                case PRIORITY_AUTH_OPTIMIZER_RENDER_FRAME_RATE:
+                    return "PRIORITY_AUTH_OPTIMIZER_RENDER_FRAME_RATE";
                 default:
                     return Integer.toString(priority);
             }
@@ -2564,6 +2582,7 @@
 
     private class UdfpsObserver extends IUdfpsRefreshRateRequestCallback.Stub {
         private final SparseBooleanArray mUdfpsRefreshRateEnabled = new SparseBooleanArray();
+        private final SparseBooleanArray mAuthenticationPossible = new SparseBooleanArray();
 
         public void observe() {
             StatusBarManagerInternal statusBar =
@@ -2576,38 +2595,38 @@
         @Override
         public void onRequestEnabled(int displayId) {
             synchronized (mLock) {
-                updateRefreshRateStateLocked(displayId, true /*enabled*/);
+                mUdfpsRefreshRateEnabled.put(displayId, true);
+                updateVoteLocked(displayId, true, Vote.PRIORITY_UDFPS);
             }
         }
 
         @Override
         public void onRequestDisabled(int displayId) {
             synchronized (mLock) {
-                updateRefreshRateStateLocked(displayId, false /*enabled*/);
+                mUdfpsRefreshRateEnabled.put(displayId, false);
+                updateVoteLocked(displayId, false, Vote.PRIORITY_UDFPS);
             }
         }
 
-        private void updateRefreshRateStateLocked(int displayId, boolean enabled) {
-            mUdfpsRefreshRateEnabled.put(displayId, enabled);
-            updateVoteLocked(displayId);
+        @Override
+        public void onAuthenticationPossible(int displayId, boolean isPossible) {
+            synchronized (mLock) {
+                mAuthenticationPossible.put(displayId, isPossible);
+                updateVoteLocked(displayId, isPossible,
+                        Vote.PRIORITY_AUTH_OPTIMIZER_RENDER_FRAME_RATE);
+            }
         }
 
-        private void updateVoteLocked(int displayId) {
+        @GuardedBy("mLock")
+        private void updateVoteLocked(int displayId, boolean enabled, int votePriority) {
             final Vote vote;
-            if (mUdfpsRefreshRateEnabled.get(displayId)) {
-                Display.Mode[] modes = mSupportedModesByDisplay.get(displayId);
-                float maxRefreshRate = 0f;
-                for (Display.Mode mode : modes) {
-                    if (mode.getRefreshRate() > maxRefreshRate) {
-                        maxRefreshRate = mode.getRefreshRate();
-                    }
-                }
+            if (enabled) {
+                float maxRefreshRate = DisplayModeDirector.this.getMaxRefreshRateLocked(displayId);
                 vote = Vote.forPhysicalRefreshRates(maxRefreshRate, maxRefreshRate);
             } else {
                 vote = null;
             }
-
-            DisplayModeDirector.this.updateVoteLocked(displayId, Vote.PRIORITY_UDFPS, vote);
+            DisplayModeDirector.this.updateVoteLocked(displayId, votePriority, vote);
         }
 
         void dumpLocked(PrintWriter pw) {
@@ -2618,6 +2637,13 @@
                 final String enabled = mUdfpsRefreshRateEnabled.valueAt(i) ? "enabled" : "disabled";
                 pw.println("      Display " + displayId + ": " + enabled);
             }
+            pw.println("    mAuthenticationPossible: ");
+            for (int i = 0; i < mAuthenticationPossible.size(); i++) {
+                final int displayId = mAuthenticationPossible.keyAt(i);
+                final String isPossible = mAuthenticationPossible.valueAt(i) ? "possible"
+                        : "impossible";
+                pw.println("      Display " + displayId + ": " + isPossible);
+            }
         }
     }
 
diff --git a/services/core/java/com/android/server/pm/UserManagerInternal.java b/services/core/java/com/android/server/pm/UserManagerInternal.java
index a9edce1..3cbaebe 100644
--- a/services/core/java/com/android/server/pm/UserManagerInternal.java
+++ b/services/core/java/com/android/server/pm/UserManagerInternal.java
@@ -64,11 +64,12 @@
     })
     public @interface UserAssignmentResult {}
 
-    private static final String PREFIX_USER_START_MODE = "USER_START_MODE_";
+    // TODO(b/248408342): Move keep annotation to the method referencing these fields reflectively.
+    @Keep public static final int USER_START_MODE_FOREGROUND = 1;
+    @Keep public static final int USER_START_MODE_BACKGROUND = 2;
+    @Keep public static final int USER_START_MODE_BACKGROUND_VISIBLE = 3;
 
-    /**
-     * Type used to indicate how a user started.
-     */
+    private static final String PREFIX_USER_START_MODE = "USER_START_MODE_";
     @IntDef(flag = false, prefix = {PREFIX_USER_START_MODE}, value = {
             USER_START_MODE_FOREGROUND,
             USER_START_MODE_BACKGROUND,
@@ -76,32 +77,6 @@
     })
     public @interface UserStartMode {}
 
-    // TODO(b/248408342): Move keep annotations below to the method referencing these fields
-    // reflectively.
-
-    /** (Full) user started on foreground (a.k.a. "current user"). */
-    @Keep public static final int USER_START_MODE_FOREGROUND = 1;
-
-    /**
-     * User (full or profile) started on background and is
-     * {@link UserManager#isUserVisible() invisible}.
-     *
-     * <p>This is the "traditional" way of starting a background user, and can be used to start
-     * profiles as well, although starting an invisible profile is not common from the System UI
-     * (it could be done through APIs or adb, though).
-     */
-    @Keep public static final int USER_START_MODE_BACKGROUND = 2;
-
-    /**
-     * User (full or profile) started on background and is
-     * {@link UserManager#isUserVisible() visible}.
-     *
-     * <p>This is the "traditional" way of starting a profile (i.e., when the profile of the current
-     * user is the current foreground user), but it can also be used to start a full user associated
-     * with a display (which is the case on automotives with passenger displays).
-     */
-    @Keep public static final int USER_START_MODE_BACKGROUND_VISIBLE = 3;
-
     public interface UserRestrictionsListener {
         /**
          * Called when a user restriction changes.
diff --git a/services/core/java/com/android/server/pm/UserVisibilityMediator.java b/services/core/java/com/android/server/pm/UserVisibilityMediator.java
index fe8a500..d5cc7ca 100644
--- a/services/core/java/com/android/server/pm/UserVisibilityMediator.java
+++ b/services/core/java/com/android/server/pm/UserVisibilityMediator.java
@@ -42,7 +42,6 @@
 import android.util.EventLog;
 import android.util.IndentingPrintWriter;
 import android.util.IntArray;
-import android.util.Log;
 import android.util.SparseIntArray;
 import android.view.Display;
 
@@ -56,8 +55,6 @@
 import com.android.server.utils.Slogf;
 
 import java.io.PrintWriter;
-import java.util.ArrayList;
-import java.util.List;
 import java.util.concurrent.CopyOnWriteArrayList;
 
 /**
@@ -80,11 +77,11 @@
  */
 public final class UserVisibilityMediator implements Dumpable {
 
-    private static final String TAG = UserVisibilityMediator.class.getSimpleName();
-
-    private static final boolean DBG = Log.isLoggable(TAG, Log.DEBUG);
+    private static final boolean DBG = false; // DO NOT SUBMIT WITH TRUE
     private static final boolean VERBOSE = false; // DO NOT SUBMIT WITH TRUE
 
+    private static final String TAG = UserVisibilityMediator.class.getSimpleName();
+
     private static final String PREFIX_SECONDARY_DISPLAY_MAPPING = "SECONDARY_DISPLAY_MAPPING_";
     public static final int SECONDARY_DISPLAY_MAPPING_NEEDED = 1;
     public static final int SECONDARY_DISPLAY_MAPPING_NOT_NEEDED = 2;
@@ -101,7 +98,7 @@
     })
     public @interface SecondaryDisplayMappingStatus {}
 
-    // TODO(b/266158156): might need to change this if boot logic is refactored for HSUM devices
+    // TODO(b/242195409): might need to change this if boot logic is refactored for HSUM devices
     @VisibleForTesting
     static final int INITIAL_CURRENT_USER_ID = USER_SYSTEM;
 
@@ -135,23 +132,10 @@
     private final SparseIntArray mExtraDisplaysAssignedToUsers;
 
     /**
-     * Mapping of each user that started visible (key) to its profile group id (value).
-     *
-     * <p>It's used to determine not just if the user is visible, but also
-     * {@link #isProfile(int, int) if it's a profile}.
+     * Mapping from each started user to its profile group.
      */
     @GuardedBy("mLock")
-    private final SparseIntArray mStartedVisibleProfileGroupIds = new SparseIntArray();
-
-    /**
-     * List of profiles that have explicitly started invisible.
-     *
-     * <p>Only used for debugging purposes (and set when {@link #DBG} is {@code true}), hence we
-     * don't care about autoboxing.
-     */
-    @GuardedBy("mLock")
-    @Nullable
-    private final List<Integer> mStartedInvisibleProfileUserIds;
+    private final SparseIntArray mStartedProfileGroupIds = new SparseIntArray();
 
     /**
      * Handler user to call listeners
@@ -180,14 +164,9 @@
             mUsersAssignedToDisplayOnStart = null;
             mExtraDisplaysAssignedToUsers = null;
         }
-        mStartedInvisibleProfileUserIds = DBG ? new ArrayList<>(4) : null;
         mHandler = handler;
-        // TODO(b/266158156): might need to change this if boot logic is refactored for HSUM devices
-        mStartedVisibleProfileGroupIds.put(INITIAL_CURRENT_USER_ID, INITIAL_CURRENT_USER_ID);
-
-        if (DBG) {
-            Slogf.i(TAG, "UserVisibilityMediator created with DBG on");
-        }
+        // TODO(b/242195409): might need to change this if boot logic is refactored for HSUM devices
+        mStartedProfileGroupIds.put(INITIAL_CURRENT_USER_ID, INITIAL_CURRENT_USER_ID);
     }
 
     /**
@@ -198,8 +177,6 @@
             int displayId) {
         Preconditions.checkArgument(!isSpecialUserId(userId), "user id cannot be generic: %d",
                 userId);
-        validateUserStartMode(userStartMode);
-
         // This method needs to perform 4 actions:
         //
         // 1. Check if the user can be started given the provided arguments
@@ -247,29 +224,14 @@
 
             visibleUsersBefore = getVisibleUsers();
 
-            // Set current user / started users state
-            switch (userStartMode) {
-                case USER_START_MODE_FOREGROUND:
-                    mCurrentUserId = userId;
-                    // Fallthrough
-                case USER_START_MODE_BACKGROUND_VISIBLE:
-                    if (DBG) {
-                        Slogf.d(TAG, "adding visible user / profile group id mapping (%d -> %d)",
-                                userId, profileGroupId);
-                    }
-                    mStartedVisibleProfileGroupIds.put(userId, profileGroupId);
-                    break;
-                case USER_START_MODE_BACKGROUND:
-                    if (mStartedInvisibleProfileUserIds != null
-                            && isProfile(userId, profileGroupId)) {
-                        Slogf.d(TAG, "adding user %d to list of invisible profiles", userId);
-                        mStartedInvisibleProfileUserIds.add(userId);
-                    }
-                    break;
-                default:
-                    Slogf.wtf(TAG,  "invalid userStartMode passed to assignUserToDisplayOnStart: "
-                            + "%d", userStartMode);
+            // Set current user / profiles state
+            if (userStartMode == USER_START_MODE_FOREGROUND) {
+                mCurrentUserId = userId;
             }
+            if (DBG) {
+                Slogf.d(TAG, "adding user / profile mapping (%d -> %d)", userId, profileGroupId);
+            }
+            mStartedProfileGroupIds.put(userId, profileGroupId);
 
             //  Set user / display state
             switch (mappingResult) {
@@ -335,46 +297,39 @@
         boolean foreground = userStartMode == USER_START_MODE_FOREGROUND;
         if (displayId != DEFAULT_DISPLAY) {
             if (foreground) {
-                Slogf.w(TAG, "getUserVisibilityOnStartLocked(%d, %d, %s, %d) failed: cannot start "
+                Slogf.w(TAG, "getUserVisibilityOnStartLocked(%d, %d, %b, %d) failed: cannot start "
                         + "foreground user on secondary display", userId, profileGroupId,
-                        userStartModeToString(userStartMode), displayId);
+                        foreground, displayId);
                 return USER_ASSIGNMENT_RESULT_FAILURE;
             }
             if (!mVisibleBackgroundUsersEnabled) {
-                Slogf.w(TAG, "getUserVisibilityOnStartLocked(%d, %d, %s, %d) failed: called on "
+                Slogf.w(TAG, "getUserVisibilityOnStartLocked(%d, %d, %b, %d) failed: called on "
                         + "device that doesn't support multiple users on multiple displays",
-                        userId, profileGroupId, userStartModeToString(userStartMode), displayId);
+                        userId, profileGroupId, foreground, displayId);
                 return USER_ASSIGNMENT_RESULT_FAILURE;
             }
         }
 
         if (isProfile(userId, profileGroupId)) {
             if (displayId != DEFAULT_DISPLAY) {
-                Slogf.w(TAG, "canStartUserLocked(%d, %d, %s, %d) failed: cannot start profile user "
-                        + "on secondary display", userId, profileGroupId,
-                        userStartModeToString(userStartMode), displayId);
+                Slogf.w(TAG, "canStartUserLocked(%d, %d, %b, %d) failed: cannot start profile user "
+                        + "on secondary display", userId, profileGroupId, foreground,
+                        displayId);
                 return USER_ASSIGNMENT_RESULT_FAILURE;
             }
-            switch (userStartMode) {
-                case USER_START_MODE_FOREGROUND:
-                    Slogf.w(TAG, "startUser(%d, %d, %s, %d) failed: cannot start profile user in "
-                            + "foreground", userId, profileGroupId,
-                            userStartModeToString(userStartMode), displayId);
-                    return USER_ASSIGNMENT_RESULT_FAILURE;
-                case USER_START_MODE_BACKGROUND_VISIBLE:
-                    boolean isParentVisibleOnDisplay = isUserVisible(profileGroupId, displayId);
-                    if (!isParentVisibleOnDisplay) {
-                        Slogf.w(TAG, "getUserVisibilityOnStartLocked(%d, %d, %s, %d) failed: cannot"
-                                + " start profile user visible when its parent is not visible in "
-                                + "that display", userId, profileGroupId,
-                                userStartModeToString(userStartMode), displayId);
-                        return USER_ASSIGNMENT_RESULT_FAILURE;
-                    }
-                    return USER_ASSIGNMENT_RESULT_SUCCESS_VISIBLE;
-                case USER_START_MODE_BACKGROUND:
-                    return USER_ASSIGNMENT_RESULT_SUCCESS_INVISIBLE;
+            if (foreground) {
+                Slogf.w(TAG, "startUser(%d, %d, %b, %d) failed: cannot start profile user in "
+                        + "foreground", userId, profileGroupId, foreground, displayId);
+                return USER_ASSIGNMENT_RESULT_FAILURE;
+            } else {
+                boolean isParentVisibleOnDisplay = isUserVisible(profileGroupId, displayId);
+                if (DBG) {
+                    Slogf.d(TAG, "parent visible on display: %b", isParentVisibleOnDisplay);
+                }
+                return isParentVisibleOnDisplay
+                        ? USER_ASSIGNMENT_RESULT_SUCCESS_VISIBLE
+                        : USER_ASSIGNMENT_RESULT_SUCCESS_INVISIBLE;
             }
-
         }
 
         return foreground || displayId != DEFAULT_DISPLAY
@@ -392,9 +347,8 @@
             if (mVisibleBackgroundUserOnDefaultDisplayAllowed
                     && userStartMode == USER_START_MODE_BACKGROUND_VISIBLE) {
                 int userStartedOnDefaultDisplay = getUserStartedOnDisplay(DEFAULT_DISPLAY);
-                if (userStartedOnDefaultDisplay != USER_NULL
-                        && userStartedOnDefaultDisplay != profileGroupId) {
-                    Slogf.w(TAG, "canAssignUserToDisplayLocked(): cannot start user %d visible on"
+                if (userStartedOnDefaultDisplay != USER_NULL) {
+                    Slogf.w(TAG, "getUserVisibilityOnStartLocked(): cannot start user %d visible on"
                             + " default display because user %d already did so", userId,
                             userStartedOnDefaultDisplay);
                     return SECONDARY_DISPLAY_MAPPING_FAILED;
@@ -500,7 +454,7 @@
                         userId, displayId);
                 return false;
             }
-            if (isStartedVisibleProfileLocked(userId)) {
+            if (isStartedProfile(userId)) {
                 Slogf.w(TAG, "assignUserToExtraDisplay(%d, %d): failed because user is a profile",
                         userId, displayId);
                 return false;
@@ -588,14 +542,10 @@
     @GuardedBy("mLock")
     private void unassignUserFromAllDisplaysOnStopLocked(@UserIdInt int userId) {
         if (DBG) {
-            Slogf.d(TAG, "Removing %d from mStartedVisibleProfileGroupIds (%s)", userId,
-                    mStartedVisibleProfileGroupIds);
+            Slogf.d(TAG, "Removing %d from mStartedProfileGroupIds (%s)", userId,
+                    mStartedProfileGroupIds);
         }
-        mStartedVisibleProfileGroupIds.delete(userId);
-        if (mStartedInvisibleProfileUserIds != null) {
-            Slogf.d(TAG, "Removing %d from list of invisible profiles", userId);
-            mStartedInvisibleProfileUserIds.remove(Integer.valueOf(userId));
-        }
+        mStartedProfileGroupIds.delete(userId);
 
         if (!mVisibleBackgroundUsersEnabled) {
             // Don't need to update mUsersAssignedToDisplayOnStart because methods (such as
@@ -625,8 +575,7 @@
      * See {@link UserManagerInternal#isUserVisible(int)}.
      */
     public boolean isUserVisible(@UserIdInt int userId) {
-        // For optimization (as most devices don't support visible background users), check for
-        // current foreground user and their profiles first
+        // First check current foreground user and their profiles (on main display)
         if (isCurrentUserOrRunningProfileOfCurrentUser(userId)) {
             if (VERBOSE) {
                 Slogf.v(TAG, "isUserVisible(%d): true to current user or profile", userId);
@@ -635,31 +584,19 @@
         }
 
         if (!mVisibleBackgroundUsersEnabled) {
-            if (VERBOSE) {
-                Slogf.v(TAG, "isUserVisible(%d): false for non-current user (or its profiles) when"
+            if (DBG) {
+                Slogf.d(TAG, "isUserVisible(%d): false for non-current user (or its profiles) when"
                         + " device doesn't support visible background users", userId);
             }
             return false;
         }
 
-
+        boolean visible;
         synchronized (mLock) {
-            int profileGroupId;
-            synchronized (mLock) {
-                profileGroupId = mStartedVisibleProfileGroupIds.get(userId, NO_PROFILE_GROUP_ID);
-            }
-            if (isProfile(userId, profileGroupId)) {
-                return isUserAssignedToDisplayOnStartLocked(profileGroupId);
-            }
-            return isUserAssignedToDisplayOnStartLocked(userId);
+            visible = mUsersAssignedToDisplayOnStart.indexOfKey(userId) >= 0;
         }
-    }
-
-    @GuardedBy("mLock")
-    private boolean isUserAssignedToDisplayOnStartLocked(@UserIdInt int userId) {
-        boolean visible = mUsersAssignedToDisplayOnStart.indexOfKey(userId) >= 0;
-        if (VERBOSE) {
-            Slogf.v(TAG, "isUserAssignedToDisplayOnStartLocked(%d): %b", userId, visible);
+        if (DBG) {
+            Slogf.d(TAG, "isUserVisible(%d): %b from mapping", userId, visible);
         }
         return visible;
     }
@@ -672,8 +609,7 @@
             return false;
         }
 
-        // For optimization (as most devices don't support visible background users), check for
-        // current user and profile first. Current user is always visible on:
+        // Current user is always visible on:
         // - Default display
         // - Secondary displays when device doesn't support visible bg users
         //   - Or when explicitly added (which is checked below)
@@ -695,26 +631,14 @@
         }
 
         synchronized (mLock) {
-            int profileGroupId;
-            synchronized (mLock) {
-                profileGroupId = mStartedVisibleProfileGroupIds.get(userId, NO_PROFILE_GROUP_ID);
+            if (mUsersAssignedToDisplayOnStart.get(userId, Display.INVALID_DISPLAY) == displayId) {
+                // User assigned to display on start
+                return true;
             }
-            if (isProfile(userId, profileGroupId)) {
-                return isFullUserVisibleOnBackgroundLocked(profileGroupId, displayId);
-            }
-            return isFullUserVisibleOnBackgroundLocked(userId, displayId);
-        }
-    }
 
-    // NOTE: it doesn't check if the userId is a full user, it's up to the caller to check that
-    @GuardedBy("mLock")
-    private boolean isFullUserVisibleOnBackgroundLocked(@UserIdInt int userId, int displayId) {
-        if (mUsersAssignedToDisplayOnStart.get(userId, Display.INVALID_DISPLAY) == displayId) {
-            // User assigned to display on start
-            return true;
+            // Check for extra display assignment
+            return mExtraDisplaysAssignedToUsers.get(displayId, USER_NULL) == userId;
         }
-        // Check for extra display assignment
-        return mExtraDisplaysAssignedToUsers.get(displayId, USER_NULL) == userId;
     }
 
     /**
@@ -782,7 +706,7 @@
                     continue;
                 }
                 int userId = mUsersAssignedToDisplayOnStart.keyAt(i);
-                if (!isStartedVisibleProfileLocked(userId)) {
+                if (!isStartedProfile(userId)) {
                     return userId;
                 } else if (DBG) {
                     Slogf.d(TAG, "getUserAssignedToDisplay(%d): skipping user %d because it's "
@@ -815,8 +739,8 @@
         // number of users is too small, the gain is probably not worth the increase on complexity.
         IntArray visibleUsers = new IntArray();
         synchronized (mLock) {
-            for (int i = 0; i < mStartedVisibleProfileGroupIds.size(); i++) {
-                int userId = mStartedVisibleProfileGroupIds.keyAt(i);
+            for (int i = 0; i < mStartedProfileGroupIds.size(); i++) {
+                int userId = mStartedProfileGroupIds.keyAt(i);
                 if (isUserVisible(userId)) {
                     visibleUsers.add(userId);
                 }
@@ -849,7 +773,7 @@
         }
     }
 
-    // TODO(b/266158156): remove this method if not needed anymore
+    // TODO(b/242195409): remove this method if not needed anymore
     /**
      * Nofify all listeners that the system user visibility changed.
      */
@@ -911,9 +835,6 @@
         ipw.println("UserVisibilityMediator");
         ipw.increaseIndent();
 
-        ipw.print("DBG: ");
-        ipw.println(DBG);
-
         synchronized (mLock) {
             ipw.print("Current user id: ");
             ipw.println(mCurrentUserId);
@@ -921,12 +842,8 @@
             ipw.print("Visible users: ");
             ipw.println(getVisibleUsers());
 
-            dumpSparseIntArray(ipw, mStartedVisibleProfileGroupIds,
-                    "started visible user / profile group", "u", "pg");
-            if (mStartedInvisibleProfileUserIds != null) {
-                ipw.print("Profiles started invisible: ");
-                ipw.println(mStartedInvisibleProfileUserIds);
-            }
+            dumpSparseIntArray(ipw, mStartedProfileGroupIds, "started user / profile group",
+                    "u", "pg");
 
             ipw.print("Supports visible background users on displays: ");
             ipw.println(mVisibleBackgroundUsersEnabled);
@@ -1034,25 +951,22 @@
             if (mCurrentUserId == userId) {
                 return true;
             }
-            return mStartedVisibleProfileGroupIds.get(userId, NO_PROFILE_GROUP_ID)
-                    == mCurrentUserId;
+            return mStartedProfileGroupIds.get(userId, NO_PROFILE_GROUP_ID) == mCurrentUserId;
         }
     }
 
-    @GuardedBy("mLock")
-    private boolean isStartedVisibleProfileLocked(@UserIdInt int userId) {
-        int profileGroupId = mStartedVisibleProfileGroupIds.get(userId, NO_PROFILE_GROUP_ID);
+    private boolean isStartedProfile(@UserIdInt int userId) {
+        int profileGroupId;
+        synchronized (mLock) {
+            profileGroupId = mStartedProfileGroupIds.get(userId, NO_PROFILE_GROUP_ID);
+        }
         return isProfile(userId, profileGroupId);
     }
 
-    private void validateUserStartMode(@UserStartMode int userStartMode) {
-        switch (userStartMode) {
-            case USER_START_MODE_FOREGROUND:
-            case USER_START_MODE_BACKGROUND:
-            case USER_START_MODE_BACKGROUND_VISIBLE:
-                return;
+    private @UserIdInt int getStartedProfileGroupId(@UserIdInt int userId) {
+        synchronized (mLock) {
+            return mStartedProfileGroupIds.get(userId, NO_PROFILE_GROUP_ID);
         }
-        throw new IllegalArgumentException("Invalid user start mode: " + userStartMode);
     }
 
     private static String secondaryDisplayMappingStatusToString(
diff --git a/services/core/java/com/android/server/wm/BackgroundActivityStartController.java b/services/core/java/com/android/server/wm/BackgroundActivityStartController.java
index cd79f2e..e1fdeca1 100644
--- a/services/core/java/com/android/server/wm/BackgroundActivityStartController.java
+++ b/services/core/java/com/android/server/wm/BackgroundActivityStartController.java
@@ -32,6 +32,7 @@
 import android.app.ActivityManager;
 import android.app.ActivityOptions;
 import android.app.BackgroundStartPrivileges;
+import android.app.ComponentOptions;
 import android.content.ComponentName;
 import android.content.Intent;
 import android.content.pm.PackageManager;
@@ -166,7 +167,8 @@
         final boolean useCallingUidState =
                 originatingPendingIntent == null
                         || checkedOptions == null
-                        || !checkedOptions.getIgnorePendingIntentCreatorForegroundState();
+                        || checkedOptions.getPendingIntentCreatorBackgroundActivityStartMode()
+                                != ComponentOptions.MODE_BACKGROUND_ACTIVITY_START_DENIED;
         if (useCallingUidState) {
             if (callingUid == Process.ROOT_UID
                     || callingAppId == Process.SYSTEM_UID
diff --git a/services/core/java/com/android/server/wm/RootWindowContainer.java b/services/core/java/com/android/server/wm/RootWindowContainer.java
index 2343906..110cce2 100644
--- a/services/core/java/com/android/server/wm/RootWindowContainer.java
+++ b/services/core/java/com/android/server/wm/RootWindowContainer.java
@@ -385,9 +385,9 @@
             }
 
             ProtoLog.d(WM_DEBUG_TASKS, "Comparing existing cls=%s /aff=%s to new cls=%s /aff=%s",
-                    r.getTask().rootAffinity, mIntent.getComponent().flattenToShortString(),
-                    mInfo.taskAffinity, (task.realActivity != null
-                            ? task.realActivity.flattenToShortString() : ""));
+                    (task.realActivity != null ? task.realActivity.flattenToShortString() : ""),
+                    task.rootAffinity, mIntent.getComponent().flattenToShortString(),
+                    mTaskAffinity);
             // TODO Refactor to remove duplications. Check if logic can be simplified.
             if (task.realActivity != null && task.realActivity.compareTo(cls) == 0
                     && Objects.equals(documentData, taskDocumentData)) {
diff --git a/services/core/java/com/android/server/wm/SafeActivityOptions.java b/services/core/java/com/android/server/wm/SafeActivityOptions.java
index 98ca9ae..5860776 100644
--- a/services/core/java/com/android/server/wm/SafeActivityOptions.java
+++ b/services/core/java/com/android/server/wm/SafeActivityOptions.java
@@ -146,8 +146,8 @@
                 .setLaunchRootTask(options.getLaunchRootTask())
                 .setPendingIntentBackgroundActivityStartMode(
                         options.getPendingIntentBackgroundActivityStartMode())
-                .setIgnorePendingIntentCreatorForegroundState(
-                        options.getIgnorePendingIntentCreatorForegroundState());
+                .setPendingIntentCreatorBackgroundActivityStartMode(
+                        options.getPendingIntentCreatorBackgroundActivityStartMode());
     }
 
     /**
diff --git a/services/core/java/com/android/server/wm/Transition.java b/services/core/java/com/android/server/wm/Transition.java
index f0c099f..04a2761 100644
--- a/services/core/java/com/android/server/wm/Transition.java
+++ b/services/core/java/com/android/server/wm/Transition.java
@@ -216,6 +216,12 @@
 
     final TransitionController.Logger mLogger = new TransitionController.Logger();
 
+    /**
+     * {@code false} if this transition runs purely in WMCore (meaning Shell is completely unaware
+     * of it). Currently, this happens before the display is ready since nothing can be seen yet.
+     */
+    boolean mIsPlayerEnabled = true;
+
     Transition(@TransitionType int type, @TransitionFlags int flags,
             TransitionController controller, BLASTSyncEngine syncEngine) {
         mType = type;
@@ -777,7 +783,7 @@
      * be called directly; use {@link TransitionController#finishTransition} instead.
      */
     void finishTransition() {
-        if (Trace.isTagEnabled(TRACE_TAG_WINDOW_MANAGER)) {
+        if (Trace.isTagEnabled(TRACE_TAG_WINDOW_MANAGER) && mIsPlayerEnabled) {
             Trace.asyncTraceEnd(TRACE_TAG_WINDOW_MANAGER, TRACE_NAME_PLAY_TRANSITION,
                     System.identityHashCode(this));
         }
@@ -1112,7 +1118,7 @@
             controller.setupStartTransaction(transaction);
         }
         buildFinishTransaction(mFinishTransaction, info.getRootLeash());
-        if (mController.getTransitionPlayer() != null) {
+        if (mController.getTransitionPlayer() != null && mIsPlayerEnabled) {
             mController.dispatchLegacyAppTransitionStarting(info, mStatusBarTransitionDelay);
             try {
                 ProtoLog.v(ProtoLogGroup.WM_DEBUG_WINDOW_TRANSITIONS,
@@ -1128,11 +1134,16 @@
             } catch (RemoteException e) {
                 // If there's an exception when trying to send the mergedTransaction to the
                 // client, we should finish and apply it here so the transactions aren't lost.
-                cleanUpOnFailure();
+                postCleanupOnFailure();
             }
         } else {
-            // No player registered, so just finish/apply immediately
-            cleanUpOnFailure();
+            // No player registered or it's not enabled, so just finish/apply immediately
+            if (!mIsPlayerEnabled) {
+                mLogger.mSendTimeNs = SystemClock.uptimeNanos();
+                ProtoLog.v(ProtoLogGroup.WM_DEBUG_WINDOW_TRANSITIONS, "Apply and finish immediately"
+                        + " because player is disabled for transition #%d .", mSyncId);
+            }
+            postCleanupOnFailure();
         }
         mController.mLoggerHandler.post(mLogger::logOnSend);
         mOverrideOptions = null;
@@ -1143,6 +1154,14 @@
         info.releaseAnimSurfaces();
     }
 
+    private void postCleanupOnFailure() {
+        mController.mAtm.mH.post(() -> {
+            synchronized (mController.mAtm.mGlobalLock) {
+                cleanUpOnFailure();
+            }
+        });
+    }
+
     /**
      * If the remote failed for any reason, use this to do any appropriate clean-up. Do not call
      * this directly, it's designed to by called by {@link TransitionController} only.
diff --git a/services/core/java/com/android/server/wm/TransitionController.java b/services/core/java/com/android/server/wm/TransitionController.java
index 18788bf..2c23b5d 100644
--- a/services/core/java/com/android/server/wm/TransitionController.java
+++ b/services/core/java/com/android/server/wm/TransitionController.java
@@ -126,6 +126,13 @@
 
     final Handler mLoggerHandler = FgThread.getHandler();
 
+    /**
+     * {@code true} While this waits for the display to become enabled (during boot). While waiting
+     * for the display, all core-initiated transitions will be "local".
+     * Note: This defaults to false so that it doesn't interfere with unit tests.
+     */
+    boolean mIsWaitingForDisplayEnabled = false;
+
     TransitionController(ActivityTaskManagerService atm,
             TaskSnapshotController taskSnapshotController,
             TransitionTracer transitionTracer) {
@@ -486,6 +493,15 @@
     Transition requestStartTransition(@NonNull Transition transition, @Nullable Task startTask,
             @Nullable RemoteTransition remoteTransition,
             @Nullable TransitionRequestInfo.DisplayChange displayChange) {
+        if (mIsWaitingForDisplayEnabled) {
+            ProtoLog.v(ProtoLogGroup.WM_DEBUG_WINDOW_TRANSITIONS, "Disabling player for transition"
+                    + " #%d because display isn't enabled yet", transition.getSyncId());
+            transition.mIsPlayerEnabled = false;
+            transition.mLogger.mRequestTimeNs = SystemClock.uptimeNanos();
+            mAtm.mH.post(() -> mAtm.mWindowOrganizerController.startTransition(
+                    transition.getToken(), null));
+            return transition;
+        }
         try {
             ProtoLog.v(ProtoLogGroup.WM_DEBUG_WINDOW_TRANSITIONS,
                     "Requesting StartTransition: %s", transition);
diff --git a/services/core/java/com/android/server/wm/WindowManagerService.java b/services/core/java/com/android/server/wm/WindowManagerService.java
index b46a720..06a8869 100644
--- a/services/core/java/com/android/server/wm/WindowManagerService.java
+++ b/services/core/java/com/android/server/wm/WindowManagerService.java
@@ -310,6 +310,7 @@
 import com.android.internal.policy.IKeyguardLockedStateListener;
 import com.android.internal.policy.IShortcutService;
 import com.android.internal.policy.KeyInterceptionInfo;
+import com.android.internal.protolog.ProtoLogGroup;
 import com.android.internal.protolog.ProtoLogImpl;
 import com.android.internal.protolog.common.ProtoLog;
 import com.android.internal.util.DumpUtils;
@@ -3776,6 +3777,12 @@
 
         // Make sure the last requested orientation has been applied.
         updateRotationUnchecked(false, false);
+
+        synchronized (mGlobalLock) {
+            mAtmService.getTransitionController().mIsWaitingForDisplayEnabled = false;
+            ProtoLog.v(ProtoLogGroup.WM_DEBUG_WINDOW_TRANSITIONS, "Notified TransitionController "
+                    + "that the display is ready.");
+        }
     }
 
     private boolean checkBootAnimationCompleteLocked() {
diff --git a/services/core/java/com/android/server/wm/WindowOrganizerController.java b/services/core/java/com/android/server/wm/WindowOrganizerController.java
index 2e9c9cf..73e417e 100644
--- a/services/core/java/com/android/server/wm/WindowOrganizerController.java
+++ b/services/core/java/com/android/server/wm/WindowOrganizerController.java
@@ -168,6 +168,7 @@
     void setWindowManager(WindowManagerService wms) {
         mTransitionController = new TransitionController(mService, wms.mTaskSnapshotController,
                 wms.mTransitionTracer);
+        mTransitionController.mIsWaitingForDisplayEnabled = !wms.mDisplayEnabled;
         mTransitionController.registerLegacyListener(wms.mActivityManagerAppTransitionNotifier);
     }
 
diff --git a/services/core/jni/com_android_server_companion_virtual_InputController.cpp b/services/core/jni/com_android_server_companion_virtual_InputController.cpp
index 4cb7a8f..dd757bc 100644
--- a/services/core/jni/com_android_server_companion_virtual_InputController.cpp
+++ b/services/core/jni/com_android_server_companion_virtual_InputController.cpp
@@ -29,8 +29,17 @@
 #include <utils/Log.h>
 
 #include <map>
+#include <set>
 #include <string>
 
+/**
+ * Log debug messages about native virtual input devices.
+ * Enable this via "adb shell setprop log.tag.InputController DEBUG"
+ */
+static bool isDebug() {
+    return __android_log_is_loggable(ANDROID_LOG_DEBUG, LOG_TAG, ANDROID_LOG_INFO);
+}
+
 namespace android {
 
 enum class DeviceType {
@@ -194,6 +203,15 @@
         {AKEYCODE_NUMPAD_COMMA, KEY_KPCOMMA},
 };
 
+/*
+ * Map from the uinput touchscreen fd to the pointers present in the previous touch events that
+ * hasn't been lifted.
+ * We only allow pointer id to go up to MAX_POINTERS because the maximum slots of virtual
+ * touchscreen is set up with MAX_POINTERS. Note that in other cases Android allows pointer id to go
+ * up to MAX_POINTERS_ID.
+ */
+static std::map<int32_t, std::bitset<MAX_POINTERS>> unreleasedTouches;
+
 /** Creates a new uinput device and assigns a file descriptor. */
 static int openUinput(const char* readableName, jint vendorId, jint productId, const char* phys,
                       DeviceType deviceType, jint screenHeight, jint screenWidth) {
@@ -366,6 +384,12 @@
 
 static bool nativeCloseUinput(JNIEnv* env, jobject thiz, jint fd) {
     ioctl(fd, UI_DEV_DESTROY);
+    if (auto touchesOnFd = unreleasedTouches.find(fd); touchesOnFd != unreleasedTouches.end()) {
+        const size_t remainingPointers = touchesOnFd->second.size();
+        unreleasedTouches.erase(touchesOnFd);
+        ALOGW_IF(remainingPointers > 0, "Closing touchscreen %d, erased %zu unreleased pointers.",
+                 fd, remainingPointers);
+    }
     return close(fd);
 }
 
@@ -425,6 +449,69 @@
     return true;
 }
 
+static bool handleTouchUp(int fd, int pointerId) {
+    if (!writeInputEvent(fd, EV_ABS, ABS_MT_TRACKING_ID, static_cast<int32_t>(-1))) {
+        return false;
+    }
+    auto touchesOnFd = unreleasedTouches.find(fd);
+    if (touchesOnFd == unreleasedTouches.end()) {
+        ALOGE("PointerId %d action UP received with no prior events on touchscreen %d.", pointerId,
+              fd);
+        return false;
+    }
+    ALOGD_IF(isDebug(), "Unreleased touches found for touchscreen %d in the map", fd);
+
+    // When a pointer is no longer in touch, remove the pointer id from the corresponding
+    // entry in the unreleased touches map.
+    if (pointerId < 0 || pointerId >= MAX_POINTERS) {
+        ALOGE("Virtual touch event has invalid pointer id %d; value must be between 0 and %zu",
+              pointerId, MAX_POINTERS - 1);
+        return false;
+    }
+    if (!touchesOnFd->second.test(pointerId)) {
+        ALOGE("PointerId %d action UP received with no prior action DOWN on touchscreen %d.",
+              pointerId, fd);
+        return false;
+    }
+    touchesOnFd->second.reset(pointerId);
+    ALOGD_IF(isDebug(), "Pointer %d erased from the touchscreen %d", pointerId, fd);
+
+    // Only sends the BTN UP event when there's no pointers on the touchscreen.
+    if (touchesOnFd->second.none()) {
+        unreleasedTouches.erase(touchesOnFd);
+        if (!writeInputEvent(fd, EV_KEY, BTN_TOUCH, static_cast<int32_t>(UinputAction::RELEASE))) {
+            return false;
+        }
+        ALOGD_IF(isDebug(), "No pointers on touchscreen %d, BTN UP event sent.", fd);
+    }
+    return true;
+}
+
+static bool handleTouchDown(int fd, int pointerId) {
+    // When a new pointer is down on the touchscreen, add the pointer id in the corresponding
+    // entry in the unreleased touches map.
+    auto touchesOnFd = unreleasedTouches.find(fd);
+    if (touchesOnFd == unreleasedTouches.end()) {
+        // Only sends the BTN Down event when the first pointer on the touchscreen is down.
+        if (!writeInputEvent(fd, EV_KEY, BTN_TOUCH, static_cast<int32_t>(UinputAction::PRESS))) {
+            return false;
+        }
+        touchesOnFd = unreleasedTouches.insert({fd, {}}).first;
+        ALOGD_IF(isDebug(), "New touchscreen with fd %d added in the unreleased touches map.", fd);
+    }
+    if (touchesOnFd->second.test(pointerId)) {
+        ALOGE("Repetitive action DOWN event received on a pointer %d that is already down.",
+              pointerId);
+        return false;
+    }
+    touchesOnFd->second.set(pointerId);
+    ALOGD_IF(isDebug(), "Added pointer %d under touchscreen %d in the map", pointerId, fd);
+    if (!writeInputEvent(fd, EV_ABS, ABS_MT_TRACKING_ID, static_cast<int32_t>(pointerId))) {
+        return false;
+    }
+    return true;
+}
+
 static bool nativeWriteTouchEvent(JNIEnv* env, jobject thiz, jint fd, jint pointerId, jint toolType,
                                   jint action, jfloat locationX, jfloat locationY, jfloat pressure,
                                   jfloat majorAxisSize) {
@@ -446,15 +533,10 @@
         return false;
     }
     UinputAction uinputAction = actionIterator->second;
-    if (uinputAction == UinputAction::PRESS || uinputAction == UinputAction::RELEASE) {
-        if (!writeInputEvent(fd, EV_KEY, BTN_TOUCH, static_cast<int32_t>(uinputAction))) {
-            return false;
-        }
-        if (!writeInputEvent(fd, EV_ABS, ABS_MT_TRACKING_ID,
-                             static_cast<int32_t>(uinputAction == UinputAction::PRESS ? pointerId
-                                                                                      : -1))) {
-            return false;
-        }
+    if (uinputAction == UinputAction::PRESS && !handleTouchDown(fd, pointerId)) {
+        return false;
+    } else if (uinputAction == UinputAction::RELEASE && !handleTouchUp(fd, pointerId)) {
+        return false;
     }
     if (!writeInputEvent(fd, EV_ABS, ABS_MT_POSITION_X, locationX)) {
         return false;
diff --git a/services/java/com/android/server/SystemServer.java b/services/java/com/android/server/SystemServer.java
index d22be9e..5c6cc9f 100644
--- a/services/java/com/android/server/SystemServer.java
+++ b/services/java/com/android/server/SystemServer.java
@@ -38,6 +38,7 @@
 import android.app.SystemServiceRegistry;
 import android.app.admin.DevicePolicySafetyChecker;
 import android.app.usage.UsageStatsManagerInternal;
+import android.content.ComponentName;
 import android.content.ContentResolver;
 import android.content.Context;
 import android.content.Intent;
@@ -2894,6 +2895,27 @@
                 t.traceEnd();
             }
 
+            if (isWatch) {
+                t.traceBegin("StartWearService");
+                String wearServiceComponentNameString =
+                    context.getString(R.string.config_wearServiceComponent);
+
+                if (!TextUtils.isEmpty(wearServiceComponentNameString)) {
+                    ComponentName wearServiceComponentName = ComponentName.unflattenFromString(
+                        wearServiceComponentNameString);
+
+                    if (wearServiceComponentName != null) {
+                        Intent intent = new Intent();
+                        intent.setComponent(wearServiceComponentName);
+                        intent.addFlags(Intent.FLAG_DIRECT_BOOT_AUTO);
+                        context.startServiceAsUser(intent, UserHandle.SYSTEM);
+                    } else {
+                        Slog.d(TAG, "Null wear service component name.");
+                    }
+                }
+                t.traceEnd();
+            }
+
             // Enable airplane mode in safe mode. setAirplaneMode() cannot be called
             // earlier as it sends broadcasts to other services.
             // TODO: This may actually be too late if radio firmware already started leaking
diff --git a/services/permission/java/com/android/server/permission/access/permission/UidPermissionPolicy.kt b/services/permission/java/com/android/server/permission/access/permission/UidPermissionPolicy.kt
index 02da25d..59551a3 100644
--- a/services/permission/java/com/android/server/permission/access/permission/UidPermissionPolicy.kt
+++ b/services/permission/java/com/android/server/permission/access/permission/UidPermissionPolicy.kt
@@ -196,7 +196,9 @@
 
         val changedPermissionNames = IndexedSet<String>()
         trimPermissions(packageName, changedPermissionNames)
-        trimPermissionStates(appId)
+        if (appId in newState.systemState.appIds) {
+            trimPermissionStates(appId)
+        }
         changedPermissionNames.forEachIndexed { _, permissionName ->
             evaluatePermissionStateForAllPackages(permissionName, null)
         }
@@ -1001,10 +1003,7 @@
         permissionName: String
     ): Boolean? {
         val permissionAllowlist = newState.systemState.permissionAllowlist
-        val apexModuleName = permissionAllowlist.apexPrivilegedAppAllowlists
-            .firstNotNullOfOrNullIndexed { _, apexModuleName, apexAllowlist ->
-                if (packageState.apexModuleName in apexAllowlist) apexModuleName else null
-            }
+        val apexModuleName = packageState.apexModuleName
         val packageName = packageState.packageName
         return when {
             packageState.isVendor -> permissionAllowlist.getVendorPrivilegedAppAllowlistState(
@@ -1071,7 +1070,7 @@
         state: AccessState = newState,
         action: (PackageState) -> Unit
     ) {
-        val packageNames = state.systemState.appIds[appId]
+        val packageNames = state.systemState.appIds[appId]!!
         packageNames.forEachIndexed { _, packageName ->
             val packageState = state.systemState.packageStates[packageName]!!
             if (packageState.androidPackage != null) {
diff --git a/services/tests/mockingservicestests/src/com/android/server/pm/UserVisibilityMediatorMUPANDTest.java b/services/tests/mockingservicestests/src/com/android/server/pm/UserVisibilityMediatorMUPANDTest.java
index 8979585..38cf634 100644
--- a/services/tests/mockingservicestests/src/com/android/server/pm/UserVisibilityMediatorMUPANDTest.java
+++ b/services/tests/mockingservicestests/src/com/android/server/pm/UserVisibilityMediatorMUPANDTest.java
@@ -75,8 +75,8 @@
         assertUserCanBeAssignedExtraDisplay(USER_ID, OTHER_SECONDARY_DISPLAY_ID);
 
         // Make sure another user cannot be started on default display
-        int result2 = mMediator.assignUserToDisplayOnStart(otherUserId, otherUserId, BG_VISIBLE,
-                DEFAULT_DISPLAY);
+        int result2 = mMediator.assignUserToDisplayOnStart(otherUserId, visibleBgUserId,
+                BG_VISIBLE, DEFAULT_DISPLAY);
         assertStartUserResult(result2, USER_ASSIGNMENT_RESULT_FAILURE,
                 "when user (%d) is starting on default display after it was started by user %d",
                 otherUserId, visibleBgUserId);
@@ -119,8 +119,8 @@
         assertUserCanBeAssignedExtraDisplay(USER_ID, OTHER_SECONDARY_DISPLAY_ID);
 
         // Make sure another user cannot be started on default display
-        int result2 = mMediator.assignUserToDisplayOnStart(otherUserId, otherUserId, BG_VISIBLE,
-                DEFAULT_DISPLAY);
+        int result2 = mMediator.assignUserToDisplayOnStart(otherUserId, visibleBgUserId,
+                BG_VISIBLE, DEFAULT_DISPLAY);
         assertStartUserResult(result2, USER_ASSIGNMENT_RESULT_FAILURE,
                 "when user (%d) is starting on default display after it was started by user %d",
                 otherUserId, visibleBgUserId);
@@ -128,6 +128,7 @@
 
         listener.verify();
     }
+  /* TODO: re-add
 
     @Test
     public void
@@ -226,4 +227,5 @@
 
         listener.verify();
     }
+  */
 }
diff --git a/services/tests/mockingservicestests/src/com/android/server/pm/UserVisibilityMediatorTestCase.java b/services/tests/mockingservicestests/src/com/android/server/pm/UserVisibilityMediatorTestCase.java
index 566084a..5176d68 100644
--- a/services/tests/mockingservicestests/src/com/android/server/pm/UserVisibilityMediatorTestCase.java
+++ b/services/tests/mockingservicestests/src/com/android/server/pm/UserVisibilityMediatorTestCase.java
@@ -44,6 +44,7 @@
 import android.util.IntArray;
 import android.util.Log;
 
+import com.android.internal.util.Preconditions;
 import com.android.server.ExtendedMockitoTestCase;
 
 import org.junit.Before;
@@ -148,12 +149,6 @@
     }
 
     @Test
-    public final void testAssignUserToDisplayOnStart_invalidUserStartMode() {
-        assertThrows(IllegalArgumentException.class, () -> mMediator
-                .assignUserToDisplayOnStart(USER_ID, USER_ID, 666, DEFAULT_DISPLAY));
-    }
-
-    @Test
     public final void testStartFgUser_onSecondaryDisplay() throws Exception {
         AsyncUserVisibilityListener listener = addListenerForNoEvents();
 
@@ -288,7 +283,7 @@
 
         int result = mMediator.assignUserToDisplayOnStart(PROFILE_USER_ID, PARENT_USER_ID,
                 BG_VISIBLE, DEFAULT_DISPLAY);
-        assertStartUserResult(result, USER_ASSIGNMENT_RESULT_FAILURE);
+        assertStartUserResult(result, USER_ASSIGNMENT_RESULT_SUCCESS_INVISIBLE);
 
         expectUserIsNotVisibleAtAll(PROFILE_USER_ID);
         expectNoDisplayAssignedToUser(PROFILE_USER_ID);
@@ -304,14 +299,14 @@
 
         int result = mMediator.assignUserToDisplayOnStart(PROFILE_USER_ID, PARENT_USER_ID,
                 BG_VISIBLE, DEFAULT_DISPLAY);
-        assertStartUserResult(result, USER_ASSIGNMENT_RESULT_FAILURE);
+        assertStartUserResult(result, USER_ASSIGNMENT_RESULT_SUCCESS_INVISIBLE);
 
         expectUserIsNotVisibleAtAll(PROFILE_USER_ID);
 
         expectNoDisplayAssignedToUser(PROFILE_USER_ID);
         expectInitialCurrentUserAssignedToDisplay(DEFAULT_DISPLAY);
 
-        assertInvisibleUserCannotBeAssignedExtraDisplay(PROFILE_USER_ID, SECONDARY_DISPLAY_ID);
+        assertUserCannotBeAssignedExtraDisplay(PROFILE_USER_ID, SECONDARY_DISPLAY_ID);
 
         listener.verify();
     }
@@ -337,41 +332,6 @@
     }
 
     @Test
-    public final void testStartBgProfile_onDefaultDisplay_whenParentIsNotStarted()
-            throws Exception {
-        AsyncUserVisibilityListener listener = addListenerForNoEvents();
-
-        int result = mMediator.assignUserToDisplayOnStart(PROFILE_USER_ID, PARENT_USER_ID, BG,
-                DEFAULT_DISPLAY);
-        assertStartUserResult(result, USER_ASSIGNMENT_RESULT_SUCCESS_INVISIBLE);
-
-        expectUserIsNotVisibleAtAll(PROFILE_USER_ID);
-        expectNoDisplayAssignedToUser(PROFILE_USER_ID);
-
-        listener.verify();
-    }
-
-    @Test
-    public final void testStartBgProfile_onDefaultDisplay_whenParentIsStartedOnBg()
-            throws Exception {
-        AsyncUserVisibilityListener listener = addListenerForNoEvents();
-        startBackgroundUser(PARENT_USER_ID);
-
-        int result = mMediator.assignUserToDisplayOnStart(PROFILE_USER_ID, PARENT_USER_ID, BG,
-                DEFAULT_DISPLAY);
-        assertStartUserResult(result, USER_ASSIGNMENT_RESULT_SUCCESS_INVISIBLE);
-
-        expectUserIsNotVisibleAtAll(PROFILE_USER_ID);
-
-        expectNoDisplayAssignedToUser(PROFILE_USER_ID);
-        expectInitialCurrentUserAssignedToDisplay(DEFAULT_DISPLAY);
-
-        assertUserCannotBeAssignedExtraDisplay(PROFILE_USER_ID, SECONDARY_DISPLAY_ID);
-
-        listener.verify();
-    }
-
-    @Test
     public final void testStartBgProfile_onSecondaryDisplay() throws Exception {
         AsyncUserVisibilityListener listener = addListenerForNoEvents();
 
@@ -525,6 +485,8 @@
      * se.
      */
     protected final void startUserInSecondaryDisplay(@UserIdInt int userId, int displayId) {
+        Preconditions.checkArgument(displayId != INVALID_DISPLAY && displayId != DEFAULT_DISPLAY,
+                "must pass a secondary display, not %d", displayId);
         Log.d(TAG, "startUserInSecondaryDisplay(" + userId + ", " + displayId + ")");
         int result = mMediator.assignUserToDisplayOnStart(userId, userId, BG_VISIBLE, displayId);
         if (result != USER_ASSIGNMENT_RESULT_SUCCESS_VISIBLE) {
diff --git a/services/tests/mockingservicestests/src/com/android/server/pm/UserVisibilityMediatorVisibleBackgroundUserTestCase.java b/services/tests/mockingservicestests/src/com/android/server/pm/UserVisibilityMediatorVisibleBackgroundUserTestCase.java
index f084063..49c6a88 100644
--- a/services/tests/mockingservicestests/src/com/android/server/pm/UserVisibilityMediatorVisibleBackgroundUserTestCase.java
+++ b/services/tests/mockingservicestests/src/com/android/server/pm/UserVisibilityMediatorVisibleBackgroundUserTestCase.java
@@ -108,6 +108,34 @@
     }
 
     @Test
+    public final void testStartVisibleBgProfile_onDefaultDisplay_whenParentIsCurrentUser()
+            throws Exception {
+        AsyncUserVisibilityListener listener = addListenerForEvents(
+                onInvisible(INITIAL_CURRENT_USER_ID),
+                onVisible(PARENT_USER_ID),
+                onVisible(PROFILE_USER_ID));
+        startForegroundUser(PARENT_USER_ID);
+
+        int result = mMediator.assignUserToDisplayOnStart(PROFILE_USER_ID, PARENT_USER_ID,
+                BG_VISIBLE, DEFAULT_DISPLAY);
+        assertStartUserResult(result, USER_ASSIGNMENT_RESULT_SUCCESS_VISIBLE);
+        expectUserCannotBeUnassignedFromDisplay(PROFILE_USER_ID, DEFAULT_DISPLAY);
+
+        expectUserIsVisible(PROFILE_USER_ID);
+        expectUserIsNotVisibleOnDisplay(PROFILE_USER_ID, INVALID_DISPLAY);
+        expectUserIsNotVisibleOnDisplay(PROFILE_USER_ID, SECONDARY_DISPLAY_ID);
+        expectUserIsVisibleOnDisplay(PROFILE_USER_ID, DEFAULT_DISPLAY);
+        expectVisibleUsers(PARENT_USER_ID, PROFILE_USER_ID);
+
+        expectDisplayAssignedToUser(PROFILE_USER_ID, DEFAULT_DISPLAY);
+        expectUserAssignedToDisplay(DEFAULT_DISPLAY, PARENT_USER_ID);
+
+        assertUserCannotBeAssignedExtraDisplay(PROFILE_USER_ID, SECONDARY_DISPLAY_ID);
+
+        listener.verify();
+    }
+
+    @Test
     public final void testStartFgUser_onInvalidDisplay() throws Exception {
         AsyncUserVisibilityListener listener = addListenerForNoEvents();
 
@@ -240,83 +268,14 @@
     }
 
     @Test
-    public final void testStartVisibleBgProfile_onDefaultDisplay_whenParentIsCurrentUser()
-            throws Exception {
-        AsyncUserVisibilityListener listener = addListenerForEvents(
-                onInvisible(INITIAL_CURRENT_USER_ID),
-                onVisible(PARENT_USER_ID),
-                onVisible(PROFILE_USER_ID));
-        startForegroundUser(PARENT_USER_ID);
-
-        int result = mMediator.assignUserToDisplayOnStart(PROFILE_USER_ID, PARENT_USER_ID,
-                BG_VISIBLE, DEFAULT_DISPLAY);
-        assertStartUserResult(result, USER_ASSIGNMENT_RESULT_SUCCESS_VISIBLE);
-        expectUserCannotBeUnassignedFromDisplay(PROFILE_USER_ID, DEFAULT_DISPLAY);
-
-        expectUserIsVisible(PROFILE_USER_ID);
-        expectUserIsNotVisibleOnDisplay(PROFILE_USER_ID, INVALID_DISPLAY);
-        expectUserIsNotVisibleOnDisplay(PROFILE_USER_ID, SECONDARY_DISPLAY_ID);
-        expectUserIsVisibleOnDisplay(PROFILE_USER_ID, DEFAULT_DISPLAY);
-        expectVisibleUsers(PARENT_USER_ID, PROFILE_USER_ID);
-
-        expectDisplayAssignedToUser(PROFILE_USER_ID, DEFAULT_DISPLAY);
-        expectUserAssignedToDisplay(DEFAULT_DISPLAY, PARENT_USER_ID);
-
-        assertUserCannotBeAssignedExtraDisplay(PROFILE_USER_ID, SECONDARY_DISPLAY_ID);
-
-        listener.verify();
-    }
-
-    @Test
     public final void
-            testStartVisibleBgProfile_onDefaultDisplay_whenParentIsStartedVisibleOnAnotherDisplay()
-            throws Exception {
+            testStartVisibleBgProfile_onDefaultDisplay_whenParentVisibleOnSecondaryDisplay()
+                    throws Exception {
         AsyncUserVisibilityListener listener = addListenerForEvents(onVisible(PARENT_USER_ID));
         startUserInSecondaryDisplay(PARENT_USER_ID, OTHER_SECONDARY_DISPLAY_ID);
 
         int result = mMediator.assignUserToDisplayOnStart(PROFILE_USER_ID, PARENT_USER_ID,
                 BG_VISIBLE, DEFAULT_DISPLAY);
-        assertStartUserResult(result, USER_ASSIGNMENT_RESULT_FAILURE);
-
-        expectUserIsNotVisibleAtAll(PROFILE_USER_ID);
-        expectNoDisplayAssignedToUser(PROFILE_USER_ID);
-        expectUserAssignedToDisplay(OTHER_SECONDARY_DISPLAY_ID, PARENT_USER_ID);
-
-        assertInvisibleUserCannotBeAssignedExtraDisplay(PROFILE_USER_ID, SECONDARY_DISPLAY_ID);
-
-        listener.verify();
-    }
-
-    // Not supported - profiles can only be started on default display
-    @Test
-    public final void
-            testStartVisibleBgProfile_onSecondaryDisplay_whenParentIsStartedVisibleOnThatDisplay()
-            throws Exception {
-        AsyncUserVisibilityListener listener = addListenerForEvents(onVisible(PARENT_USER_ID));
-        startUserInSecondaryDisplay(PARENT_USER_ID, OTHER_SECONDARY_DISPLAY_ID);
-
-        int result = mMediator.assignUserToDisplayOnStart(PROFILE_USER_ID, PARENT_USER_ID,
-                BG_VISIBLE, DEFAULT_DISPLAY);
-        assertStartUserResult(result, USER_ASSIGNMENT_RESULT_FAILURE);
-
-        expectUserIsNotVisibleAtAll(PROFILE_USER_ID);
-        expectNoDisplayAssignedToUser(PROFILE_USER_ID);
-        expectUserAssignedToDisplay(OTHER_SECONDARY_DISPLAY_ID, PARENT_USER_ID);
-
-        assertInvisibleUserCannotBeAssignedExtraDisplay(PROFILE_USER_ID, SECONDARY_DISPLAY_ID);
-
-        listener.verify();
-    }
-
-    @Test
-    public final void
-            testStartProfile_onDefaultDisplay_whenParentIsStartedVisibleOnSecondaryDisplay()
-            throws Exception {
-        AsyncUserVisibilityListener listener = addListenerForEvents(onVisible(PARENT_USER_ID));
-        startUserInSecondaryDisplay(PARENT_USER_ID, OTHER_SECONDARY_DISPLAY_ID);
-
-        int result = mMediator.assignUserToDisplayOnStart(PROFILE_USER_ID, PARENT_USER_ID, BG,
-                DEFAULT_DISPLAY);
         assertStartUserResult(result, USER_ASSIGNMENT_RESULT_SUCCESS_INVISIBLE);
 
         expectUserIsNotVisibleAtAll(PROFILE_USER_ID);
diff --git a/services/tests/servicestests/src/com/android/server/display/DisplayModeDirectorTest.java b/services/tests/servicestests/src/com/android/server/display/DisplayModeDirectorTest.java
index 27d912b..0eff0da 100644
--- a/services/tests/servicestests/src/com/android/server/display/DisplayModeDirectorTest.java
+++ b/services/tests/servicestests/src/com/android/server/display/DisplayModeDirectorTest.java
@@ -2402,6 +2402,74 @@
                 eq(lightSensorTwo), anyInt(), any(Handler.class));
     }
 
+    @Test
+    public void testAuthenticationPossibleSetsPhysicalRateRangesToMax() throws RemoteException {
+        DisplayModeDirector director =
+                createDirectorFromRefreshRateArray(new float[]{60.0f, 90.0f}, 0);
+        // don't call director.start(createMockSensorManager());
+        // DisplayObserver will reset mSupportedModesByDisplay
+        director.onBootCompleted();
+        ArgumentCaptor<IUdfpsRefreshRateRequestCallback> captor =
+                ArgumentCaptor.forClass(IUdfpsRefreshRateRequestCallback.class);
+        verify(mStatusBarMock).setUdfpsRefreshRateCallback(captor.capture());
+
+        captor.getValue().onAuthenticationPossible(DISPLAY_ID, true);
+
+        Vote vote = director.getVote(DISPLAY_ID, Vote.PRIORITY_AUTH_OPTIMIZER_RENDER_FRAME_RATE);
+        assertThat(vote.refreshRateRanges.physical.min).isWithin(FLOAT_TOLERANCE).of(90);
+        assertThat(vote.refreshRateRanges.physical.max).isWithin(FLOAT_TOLERANCE).of(90);
+    }
+
+    @Test
+    public void testAuthenticationPossibleUnsetsVote() throws RemoteException {
+        DisplayModeDirector director =
+                createDirectorFromRefreshRateArray(new float[]{60.0f, 90.0f}, 0);
+        director.start(createMockSensorManager());
+        director.onBootCompleted();
+        ArgumentCaptor<IUdfpsRefreshRateRequestCallback> captor =
+                ArgumentCaptor.forClass(IUdfpsRefreshRateRequestCallback.class);
+        verify(mStatusBarMock).setUdfpsRefreshRateCallback(captor.capture());
+        captor.getValue().onAuthenticationPossible(DISPLAY_ID, true);
+        captor.getValue().onAuthenticationPossible(DISPLAY_ID, false);
+
+        Vote vote = director.getVote(DISPLAY_ID, Vote.PRIORITY_AUTH_OPTIMIZER_RENDER_FRAME_RATE);
+        assertNull(vote);
+    }
+
+    @Test
+    public void testUdfpsRequestSetsPhysicalRateRangesToMax() throws RemoteException {
+        DisplayModeDirector director =
+                createDirectorFromRefreshRateArray(new float[]{60.0f, 90.0f}, 0);
+        // don't call director.start(createMockSensorManager());
+        // DisplayObserver will reset mSupportedModesByDisplay
+        director.onBootCompleted();
+        ArgumentCaptor<IUdfpsRefreshRateRequestCallback> captor =
+                ArgumentCaptor.forClass(IUdfpsRefreshRateRequestCallback.class);
+        verify(mStatusBarMock).setUdfpsRefreshRateCallback(captor.capture());
+
+        captor.getValue().onRequestEnabled(DISPLAY_ID);
+
+        Vote vote = director.getVote(DISPLAY_ID, Vote.PRIORITY_UDFPS);
+        assertThat(vote.refreshRateRanges.physical.min).isWithin(FLOAT_TOLERANCE).of(90);
+        assertThat(vote.refreshRateRanges.physical.max).isWithin(FLOAT_TOLERANCE).of(90);
+    }
+
+    @Test
+    public void testUdfpsRequestUnsetsUnsetsVote() throws RemoteException {
+        DisplayModeDirector director =
+                createDirectorFromRefreshRateArray(new float[]{60.0f, 90.0f}, 0);
+        director.start(createMockSensorManager());
+        director.onBootCompleted();
+        ArgumentCaptor<IUdfpsRefreshRateRequestCallback> captor =
+                ArgumentCaptor.forClass(IUdfpsRefreshRateRequestCallback.class);
+        verify(mStatusBarMock).setUdfpsRefreshRateCallback(captor.capture());
+        captor.getValue().onRequestEnabled(DISPLAY_ID);
+        captor.getValue().onRequestDisabled(DISPLAY_ID);
+
+        Vote vote = director.getVote(DISPLAY_ID, Vote.PRIORITY_UDFPS);
+        assertNull(vote);
+    }
+
     private Temperature getSkinTemp(@Temperature.ThrottlingStatus int status) {
         return new Temperature(30.0f, Temperature.TYPE_SKIN, "test_skin_temp", status);
     }
diff --git a/services/tests/wmtests/src/com/android/server/wm/SystemServicesTestRule.java b/services/tests/wmtests/src/com/android/server/wm/SystemServicesTestRule.java
index 42bbd2d..94193f4 100644
--- a/services/tests/wmtests/src/com/android/server/wm/SystemServicesTestRule.java
+++ b/services/tests/wmtests/src/com/android/server/wm/SystemServicesTestRule.java
@@ -352,6 +352,7 @@
         mAtmService.setWindowManager(mWmService);
         mWmService.mDisplayEnabled = true;
         mWmService.mDisplayReady = true;
+        mAtmService.getTransitionController().mIsWaitingForDisplayEnabled = false;
         // Set configuration for default display
         mWmService.getDefaultDisplayContentLocked().reconfigureDisplayLocked();
 
diff --git a/telephony/java/android/telephony/TelephonyManager.java b/telephony/java/android/telephony/TelephonyManager.java
index c238f24..819b0b2 100644
--- a/telephony/java/android/telephony/TelephonyManager.java
+++ b/telephony/java/android/telephony/TelephonyManager.java
@@ -14894,7 +14894,10 @@
 
     /**
      * The extra used with an {@link #ACTION_NETWORK_COUNTRY_CHANGED} to specify the
-     * the country code in ISO-3166-1 alpha-2 format.
+     * the country code in ISO-3166-1 alpha-2 format. This is the same country code returned by
+     * {@link #getNetworkCountryIso()}. This might be an empty string when the country code is not
+     * available.
+     *
      * <p class="note">
      * Retrieve with {@link android.content.Intent#getStringExtra(String)}.
      */
@@ -14903,11 +14906,11 @@
 
     /**
      * The extra used with an {@link #ACTION_NETWORK_COUNTRY_CHANGED} to specify the
-     * last known the country code in ISO-3166-1 alpha-2 format.
+     * last known the country code in ISO-3166-1 alpha-2 format. This might be an empty string when
+     * the country code was never available. The last known country code persists across reboot.
+     *
      * <p class="note">
      * Retrieve with {@link android.content.Intent#getStringExtra(String)}.
-     *
-     * @hide
      */
     public static final String EXTRA_LAST_KNOWN_NETWORK_COUNTRY =
             "android.telephony.extra.LAST_KNOWN_NETWORK_COUNTRY";
diff --git a/wifi/java/Android.bp b/wifi/java/Android.bp
index 225e750..434226d 100644
--- a/wifi/java/Android.bp
+++ b/wifi/java/Android.bp
@@ -27,7 +27,10 @@
 
 filegroup {
     name: "framework-wifi-non-updatable-sources-internal",
-    srcs: ["src/**/*.java"],
+    srcs: [
+        "src/**/*.java",
+        "src/**/*.aidl",
+    ],
     path: "src",
     visibility: ["//visibility:private"],
 }
diff --git a/wifi/java/src/android/net/wifi/sharedconnectivity/app/DeviceInfo.aidl b/wifi/java/src/android/net/wifi/sharedconnectivity/app/DeviceInfo.aidl
new file mode 100644
index 0000000..35d5c15
--- /dev/null
+++ b/wifi/java/src/android/net/wifi/sharedconnectivity/app/DeviceInfo.aidl
@@ -0,0 +1,19 @@
+/*
+ * 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.net.wifi.sharedconnectivity.app;
+
+parcelable DeviceInfo;
\ No newline at end of file
diff --git a/wifi/java/src/android/net/wifi/sharedconnectivity/app/DeviceInfo.java b/wifi/java/src/android/net/wifi/sharedconnectivity/app/DeviceInfo.java
new file mode 100644
index 0000000..7874b2a
--- /dev/null
+++ b/wifi/java/src/android/net/wifi/sharedconnectivity/app/DeviceInfo.java
@@ -0,0 +1,299 @@
+/*
+ * 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.net.wifi.sharedconnectivity.app;
+
+import android.annotation.IntDef;
+import android.annotation.IntRange;
+import android.annotation.NonNull;
+import android.annotation.SystemApi;
+import android.net.wifi.sharedconnectivity.service.SharedConnectivityService;
+import android.os.Parcel;
+import android.os.Parcelable;
+
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.util.Objects;
+
+/**
+ * A data class representing a device providing connectivity.
+ * This class is used in IPC calls between the implementer of {@link SharedConnectivityService} and
+ * the consumers of {@link com.android.wifitrackerlib}.
+ *
+ * @hide
+ */
+@SystemApi
+public final class DeviceInfo implements Parcelable {
+
+    /**
+     * Device type providing connectivity is unknown.
+     */
+    public static final int DEVICE_TYPE_UNKNOWN = 0;
+
+    /**
+     * Device providing connectivity is a mobile phone.
+     */
+    public static final int DEVICE_TYPE_PHONE = 1;
+
+    /**
+     * Device providing connectivity is a tablet.
+     */
+    public static final int DEVICE_TYPE_TABLET = 2;
+
+    /**
+     * Device providing connectivity is a laptop.
+     */
+    public static final int DEVICE_TYPE_LAPTOP = 3;
+
+    /**
+     * @hide
+     */
+    @Retention(RetentionPolicy.SOURCE)
+    @IntDef({
+            DEVICE_TYPE_UNKNOWN,
+            DEVICE_TYPE_PHONE,
+            DEVICE_TYPE_TABLET,
+            DEVICE_TYPE_LAPTOP
+    })
+    public @interface DeviceType {}
+
+    @DeviceType private final int mDeviceType;
+    private final String mDeviceName;
+    private final String mModelName;
+    private final int mBatteryPercentage;
+    private final int mConnectionStrength;
+
+    /**
+     * Builder class for {@link DeviceInfo}.
+     */
+    public static final class Builder {
+        private int mDeviceType;
+        private String mDeviceName;
+        private String mModelName;
+        private int mBatteryPercentage;
+        private int mConnectionStrength;
+
+        public Builder() {}
+
+        /**
+         * Sets the device type that provides connectivity.
+         *
+         * @param deviceType Device type as represented by IntDef {@link DeviceType}.
+         * @return Returns the Builder object.
+         */
+        @NonNull
+        public Builder setDeviceType(@DeviceType int deviceType) {
+            mDeviceType = deviceType;
+            return this;
+        }
+
+        /**
+         * Sets the device name of the remote device.
+         *
+         * @param deviceName The user configurable device name.
+         * @return Returns the Builder object.
+         */
+        @NonNull
+        public Builder setDeviceName(@NonNull String deviceName) {
+            mDeviceName = deviceName;
+            return this;
+        }
+
+        /**
+         * Sets the model name of the remote device.
+         *
+         * @param modelName The OEM configured name for the device model.
+         * @return Returns the Builder object.
+         */
+        @NonNull
+        public Builder setModelName(@NonNull String modelName) {
+            mModelName = modelName;
+            return this;
+        }
+
+        /**
+         * Sets the battery charge percentage of the remote device.
+         *
+         * @param batteryPercentage The battery charge percentage in the range 0 to 100.
+         * @return Returns the Builder object.
+         */
+        @NonNull
+        public Builder setBatteryPercentage(@IntRange(from = 0, to = 100) int batteryPercentage) {
+            mBatteryPercentage = batteryPercentage;
+            return this;
+        }
+
+        /**
+         * Sets the displayed connection strength of the remote device to the internet.
+         *
+         * @param connectionStrength Connection strength in range 0 to 3.
+         * @return Returns the Builder object.
+         */
+        @NonNull
+        public Builder setConnectionStrength(@IntRange(from = 0, to = 3) int connectionStrength) {
+            mConnectionStrength = connectionStrength;
+            return this;
+        }
+
+        /**
+         * Builds the {@link DeviceInfo} object.
+         *
+         * @return Returns the built {@link DeviceInfo} object.
+         */
+        @NonNull
+        public DeviceInfo build() {
+            return new DeviceInfo(mDeviceType, mDeviceName, mModelName, mBatteryPercentage,
+                    mConnectionStrength);
+        }
+    }
+
+    private static void validate(int deviceType, String deviceName, String modelName,
+            int batteryPercentage, int connectionStrength) {
+        if (deviceType != DEVICE_TYPE_UNKNOWN && deviceType != DEVICE_TYPE_PHONE
+                && deviceType != DEVICE_TYPE_TABLET && deviceType != DEVICE_TYPE_LAPTOP) {
+            throw new IllegalArgumentException("Illegal device type");
+        }
+        if (Objects.isNull(deviceName)) {
+            throw new IllegalArgumentException("DeviceName must be set");
+        }
+        if (Objects.isNull(modelName)) {
+            throw new IllegalArgumentException("ModelName must be set");
+        }
+        if (batteryPercentage < 0 || batteryPercentage > 100) {
+            throw new IllegalArgumentException("BatteryPercentage must be in range 0-100");
+        }
+        if (connectionStrength < 0 || connectionStrength > 3) {
+            throw new IllegalArgumentException("ConnectionStrength must be in range 0-3");
+        }
+    }
+
+    private DeviceInfo(@DeviceType int deviceType, @NonNull String deviceName,
+            @NonNull String modelName, int batteryPercentage, int connectionStrength) {
+        validate(deviceType, deviceName, modelName, batteryPercentage, connectionStrength);
+        mDeviceType = deviceType;
+        mDeviceName = deviceName;
+        mModelName = modelName;
+        mBatteryPercentage = batteryPercentage;
+        mConnectionStrength = connectionStrength;
+    }
+
+    /**
+     * Gets the device type that provides connectivity.
+     *
+     * @return Returns the device type as represented by IntDef {@link DeviceType}.
+     */
+    @DeviceType
+    public int getDeviceType() {
+        return mDeviceType;
+    }
+
+    /**
+     * Gets the device name of the remote device.
+     *
+     * @return Returns the user configurable device name.
+     */
+    @NonNull
+    public String getDeviceName() {
+        return mDeviceName;
+    }
+
+    /**
+     * Gets the model name of the remote device.
+     *
+     * @return Returns the OEM configured name for the device model.
+     */
+    @NonNull
+    public String getModelName() {
+        return mModelName;
+    }
+
+    /**
+     * Gets the battery charge percentage of the remote device.
+     *
+     * @return Returns the battery charge percentage in the range 0 to 100.
+     */
+    @NonNull
+    @IntRange(from = 0, to = 100)
+    public int getBatteryPercentage() {
+        return mBatteryPercentage;
+    }
+
+    /**
+     * Gets the displayed connection strength of the remote device to the internet.
+     *
+     * @return Returns the connection strength in range 0 to 3.
+     */
+    @NonNull
+    @IntRange(from = 0, to = 3)
+    public int getConnectionStrength() {
+        return mConnectionStrength;
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        if (!(obj instanceof DeviceInfo)) return false;
+        DeviceInfo other = (DeviceInfo) obj;
+        return mDeviceType == other.getDeviceType()
+                && Objects.equals(mDeviceName, other.mDeviceName)
+                && Objects.equals(mModelName, other.mModelName)
+                && mBatteryPercentage == other.mBatteryPercentage
+                && mConnectionStrength == other.mConnectionStrength;
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(mDeviceType, mDeviceName, mModelName, mBatteryPercentage,
+                mConnectionStrength);
+    }
+    @Override
+    public void writeToParcel(@NonNull Parcel dest, int flags) {
+        dest.writeInt(mDeviceType);
+        dest.writeString(mDeviceName);
+        dest.writeString(mModelName);
+        dest.writeInt(mBatteryPercentage);
+        dest.writeInt(mConnectionStrength);
+    }
+
+    @Override
+    public int describeContents() {
+        return 0;
+    }
+
+    @NonNull
+    public static final Creator<DeviceInfo> CREATOR = new Creator<DeviceInfo>() {
+        @Override
+        public DeviceInfo createFromParcel(Parcel in) {
+            return new DeviceInfo(in.readInt(), in.readString(), in.readString(), in.readInt(),
+                    in.readInt());
+        }
+
+        @Override
+        public DeviceInfo[] newArray(int size) {
+            return new DeviceInfo[size];
+        }
+    };
+
+    @Override
+    public String toString() {
+        return new StringBuilder("DeviceInfo[")
+                .append("deviceType=").append(mDeviceType)
+                .append(", deviceName=").append(mDeviceName)
+                .append(", modelName=").append(mModelName)
+                .append(", batteryPercentage=").append(mBatteryPercentage)
+                .append(", connectionStrength=").append(mConnectionStrength)
+                .append("]").toString();
+    }
+}
diff --git a/wifi/java/src/android/net/wifi/sharedconnectivity/app/KnownNetwork.aidl b/wifi/java/src/android/net/wifi/sharedconnectivity/app/KnownNetwork.aidl
new file mode 100644
index 0000000..140d72a
--- /dev/null
+++ b/wifi/java/src/android/net/wifi/sharedconnectivity/app/KnownNetwork.aidl
@@ -0,0 +1,19 @@
+/*
+ * 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.net.wifi.sharedconnectivity.app;
+
+parcelable KnownNetwork;
diff --git a/wifi/java/src/android/net/wifi/sharedconnectivity/app/KnownNetwork.java b/wifi/java/src/android/net/wifi/sharedconnectivity/app/KnownNetwork.java
new file mode 100644
index 0000000..34b7e94
--- /dev/null
+++ b/wifi/java/src/android/net/wifi/sharedconnectivity/app/KnownNetwork.java
@@ -0,0 +1,258 @@
+/*
+ * 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.net.wifi.sharedconnectivity.app;
+
+import static android.net.wifi.WifiAnnotations.SecurityType;
+
+import android.annotation.IntDef;
+import android.annotation.NonNull;
+import android.annotation.SystemApi;
+import android.os.Parcel;
+import android.os.Parcelable;
+import android.text.TextUtils;
+
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.util.Arrays;
+import java.util.Objects;
+
+/**
+ * A data class representing a known Wifi network.
+ *
+ * @hide
+ */
+@SystemApi
+public final class KnownNetwork implements Parcelable {
+    /**
+     * Network is known by a nearby device with the same user account.
+     */
+    public static final int NETWORK_SOURCE_NEARBY_SELF = 0;
+
+    /**
+     * Network is known via cloud storage associated with this device's user account.
+     */
+    public static final int NETWORK_SOURCE_CLOUD_SELF = 1;
+
+    /**
+     * @hide
+     */
+    @Retention(RetentionPolicy.SOURCE)
+    @IntDef({
+            NETWORK_SOURCE_NEARBY_SELF,
+            NETWORK_SOURCE_CLOUD_SELF
+    })
+    public @interface NetworkSource {}
+
+    @NetworkSource private final int mNetworkSource;
+    private final String mSsid;
+    @SecurityType private final int[] mSecurityTypes;
+    private final DeviceInfo mDeviceInfo;
+
+    /**
+     * Builder class for {@link KnownNetwork}.
+     */
+    public static final class Builder {
+        @NetworkSource private int mNetworkSource = -1;
+        private String mSsid;
+        @SecurityType private int[] mSecurityTypes;
+        private android.net.wifi.sharedconnectivity.app.DeviceInfo mDeviceInfo;
+
+        public Builder() {}
+
+        /**
+         * Sets the indicated source of the known network.
+         *
+         * @param networkSource The network source as defined by IntDef {@link NetworkSource}.
+         * @return Returns the Builder object.
+         */
+        @NonNull
+        public Builder setNetworkSource(@NetworkSource int networkSource) {
+            mNetworkSource = networkSource;
+            return this;
+        }
+
+        /**
+         * Sets the SSID of the known network.
+         *
+         * @param ssid The SSID of the known network. Surrounded by double quotes if UTF-8.
+         * @return Returns the Builder object.
+         */
+        @NonNull
+        public Builder setSsid(@NonNull String ssid) {
+            mSsid = ssid;
+            return this;
+        }
+
+        /**
+         * Sets the security types of the known network.
+         *
+         * @param securityTypes The array of security types supported by the known network.
+         * @return Returns the Builder object.
+         */
+        @NonNull
+        public Builder setSecurityTypes(@NonNull @SecurityType int[] securityTypes) {
+            mSecurityTypes = securityTypes;
+            return this;
+        }
+
+        /**
+         * Sets the device information of the device providing connectivity.
+         *
+         * @param deviceInfo The array of security types supported by the known network.
+         * @return Returns the Builder object.
+         */
+        @NonNull
+        public Builder setDeviceInfo(@NonNull DeviceInfo deviceInfo) {
+            mDeviceInfo = deviceInfo;
+            return this;
+        }
+
+        /**
+         * Builds the {@link KnownNetwork} object.
+         *
+         * @return Returns the built {@link KnownNetwork} object.
+         */
+        @NonNull
+        public KnownNetwork build() {
+            return new KnownNetwork(
+                    mNetworkSource,
+                    mSsid,
+                    mSecurityTypes,
+                    mDeviceInfo);
+        }
+    }
+
+    private static void validate(int networkSource, String ssid, int [] securityTypes) {
+        if (networkSource != NETWORK_SOURCE_CLOUD_SELF && networkSource
+                != NETWORK_SOURCE_NEARBY_SELF) {
+            throw new IllegalArgumentException("Illegal network source");
+        }
+        if (TextUtils.isEmpty(ssid)) {
+            throw new IllegalArgumentException("SSID must be set");
+        }
+        if (securityTypes == null || securityTypes.length == 0) {
+            throw new IllegalArgumentException("SecurityTypes must be set");
+        }
+    }
+
+    private KnownNetwork(
+            @NetworkSource int networkSource,
+            @NonNull String ssid,
+            @NonNull @SecurityType int[] securityTypes,
+            @NonNull android.net.wifi.sharedconnectivity.app.DeviceInfo deviceInfo) {
+        validate(networkSource, ssid, securityTypes);
+        mNetworkSource = networkSource;
+        mSsid = ssid;
+        mSecurityTypes = securityTypes;
+        mDeviceInfo = deviceInfo;
+    }
+
+    /**
+     * Gets the indicated source of the known network.
+     *
+     * @return Returns the network source as defined by IntDef {@link NetworkSource}.
+     */
+    @NonNull
+    @NetworkSource
+    public int getNetworkSource() {
+        return mNetworkSource;
+    }
+
+    /**
+     * Gets the SSID of the known network.
+     *
+     * @return Returns the SSID of the known network. Surrounded by double quotes if UTF-8.
+     */
+    @NonNull
+    public String getSsid() {
+        return mSsid;
+    }
+
+    /**
+     * Gets the security types of the known network.
+     *
+     * @return Returns the array of security types supported by the known network.
+     */
+    @NonNull
+    @SecurityType
+    public int[] getSecurityTypes() {
+        return mSecurityTypes;
+    }
+
+    /**
+     * Gets the device information of the device providing connectivity.
+     *
+     * @return Returns the array of security types supported by the known network.
+     */
+    @NonNull
+    public DeviceInfo getDeviceInfo() {
+        return mDeviceInfo;
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        if (!(obj instanceof KnownNetwork)) return false;
+        KnownNetwork other = (KnownNetwork) obj;
+        return mNetworkSource == other.getNetworkSource()
+                && Objects.equals(mSsid, other.getSsid())
+                && Arrays.equals(mSecurityTypes, other.getSecurityTypes())
+                && Objects.equals(mDeviceInfo, other.getDeviceInfo());
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(mNetworkSource, mSsid, Arrays.hashCode(mSecurityTypes),
+                mDeviceInfo.hashCode());
+    }
+
+    @Override
+    public int describeContents() {
+        return 0;
+    }
+
+    @Override
+    public void writeToParcel(@NonNull Parcel dest, int flags) {
+        dest.writeInt(mNetworkSource);
+        dest.writeString(mSsid);
+        dest.writeIntArray(mSecurityTypes);
+        dest.writeTypedObject(mDeviceInfo, 0);
+    }
+
+    @NonNull
+    public static final Creator<KnownNetwork> CREATOR = new Creator<>() {
+        @Override
+        public KnownNetwork createFromParcel(Parcel in) {
+            return new KnownNetwork(in.readInt(), in.readString(), in.createIntArray(),
+                    in.readTypedObject(DeviceInfo.CREATOR));
+        }
+
+        @Override
+        public KnownNetwork[] newArray(int size) {
+            return new KnownNetwork[size];
+        }
+    };
+
+    @Override
+    public String toString() {
+        return new StringBuilder("KnownNetwork[")
+                .append("NetworkSource=").append(mNetworkSource)
+                .append(", ssid=").append(mSsid)
+                .append(", securityTypes=").append(Arrays.toString(mSecurityTypes))
+                .append(", deviceInfo=").append(mDeviceInfo.toString())
+                .append("]").toString();
+    }
+}
diff --git a/wifi/java/src/android/net/wifi/sharedconnectivity/app/SharedConnectivityClientCallback.java b/wifi/java/src/android/net/wifi/sharedconnectivity/app/SharedConnectivityClientCallback.java
new file mode 100644
index 0000000..dcb5201
--- /dev/null
+++ b/wifi/java/src/android/net/wifi/sharedconnectivity/app/SharedConnectivityClientCallback.java
@@ -0,0 +1,54 @@
+/*
+ * 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.net.wifi.sharedconnectivity.app;
+
+import android.annotation.NonNull;
+import android.annotation.SystemApi;
+import android.net.wifi.sharedconnectivity.service.SharedConnectivityService;
+
+import java.util.List;
+
+/**
+ * Interface for clients of {@link SharedConnectivityManager} to register for changes in network
+ * status.
+ *
+ * @hide
+ */
+@SystemApi
+public interface SharedConnectivityClientCallback {
+    /**
+     * This method is being called by {@link SharedConnectivityService} to notify of a change in the
+     * list of available Tether Networks.
+     * @param networks Updated Tether Network list.
+     */
+    void onTetherNetworksUpdated(@NonNull List<TetherNetwork> networks);
+
+    /**
+     * This method is being called by {@link SharedConnectivityService} to notify of a change in the
+     * list of available Known Networks.
+     * @param networks Updated Known Network list.
+     */
+    void onKnownNetworksUpdated(@NonNull List<KnownNetwork> networks);
+
+    /**
+     * This method is being called by {@link SharedConnectivityService} to notify of a change in the
+     * state of share connectivity settings.
+     * @param state The new state.
+     */
+    void onSharedConnectivitySettingsChanged(@NonNull SharedConnectivitySettingsState state);
+}
+
diff --git a/wifi/java/src/android/net/wifi/sharedconnectivity/app/SharedConnectivityManager.java b/wifi/java/src/android/net/wifi/sharedconnectivity/app/SharedConnectivityManager.java
new file mode 100644
index 0000000..b43e4f7
--- /dev/null
+++ b/wifi/java/src/android/net/wifi/sharedconnectivity/app/SharedConnectivityManager.java
@@ -0,0 +1,283 @@
+/*
+ * 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.net.wifi.sharedconnectivity.app;
+
+import android.annotation.CallbackExecutor;
+import android.annotation.NonNull;
+import android.annotation.Nullable;
+import android.annotation.SuppressLint;
+import android.annotation.SystemApi;
+import android.annotation.TestApi;
+import android.content.ComponentName;
+import android.content.Context;
+import android.content.Intent;
+import android.content.ServiceConnection;
+import android.content.res.Resources;
+import android.net.wifi.sharedconnectivity.service.ISharedConnectivityCallback;
+import android.net.wifi.sharedconnectivity.service.ISharedConnectivityService;
+import android.net.wifi.sharedconnectivity.service.SharedConnectivityService;
+import android.os.Binder;
+import android.os.IBinder;
+import android.os.IInterface;
+import android.os.RemoteException;
+import android.util.Log;
+
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.Objects;
+import java.util.concurrent.Executor;
+
+/**
+ * This class is the library used by consumers of Shared Connectivity data to bind to the service,
+ * receive callbacks from, and send user actions to the service.
+ *
+ * @hide
+ */
+@SystemApi
+public class SharedConnectivityManager {
+    private static final String TAG = SharedConnectivityManager.class.getSimpleName();
+    private static final boolean DEBUG = true;
+    private static final String SERVICE_PACKAGE_NAME = "sharedconnectivity_service_package";
+    private static final String SERVICE_CLASS_NAME = "sharedconnectivity_service_class";
+
+    private static final class SharedConnectivityCallbackProxy extends
+            ISharedConnectivityCallback.Stub {
+        private final Executor mExecutor;
+        private final SharedConnectivityClientCallback mCallback;
+
+        SharedConnectivityCallbackProxy(
+                @NonNull @CallbackExecutor Executor executor,
+                @NonNull SharedConnectivityClientCallback callback) {
+            mExecutor = executor;
+            mCallback = callback;
+        }
+
+        @Override
+        public void onTetherNetworksUpdated(@NonNull List<TetherNetwork> networks) {
+            if (mCallback != null) {
+                final long token = Binder.clearCallingIdentity();
+                try {
+                    mExecutor.execute(() -> mCallback.onTetherNetworksUpdated(networks));
+                } finally {
+                    Binder.restoreCallingIdentity(token);
+                }
+            }
+        }
+
+        @Override
+        public void onKnownNetworksUpdated(@NonNull List<KnownNetwork> networks) {
+            if (mCallback != null) {
+                final long token = Binder.clearCallingIdentity();
+                try {
+                    mExecutor.execute(() -> mCallback.onKnownNetworksUpdated(networks));
+                } finally {
+                    Binder.restoreCallingIdentity(token);
+                }
+            }
+        }
+
+        @Override
+        public void onSharedConnectivitySettingsChanged(
+                @NonNull SharedConnectivitySettingsState state) {
+            if (mCallback != null) {
+                final long token = Binder.clearCallingIdentity();
+                try {
+                    mExecutor.execute(() -> mCallback.onSharedConnectivitySettingsChanged(state));
+                } finally {
+                    Binder.restoreCallingIdentity(token);
+                }
+            }
+        };
+    }
+
+    private ISharedConnectivityService mService;
+    private final Map<SharedConnectivityClientCallback, SharedConnectivityCallbackProxy>
+            mProxyMap = new HashMap<>();
+
+    /**
+     * Constructor for new instance of {@link SharedConnectivityManager}.
+     *
+     * Automatically binds to implementation of {@link SharedConnectivityService} specified in
+     * device overlay.
+     */
+    @SuppressLint("ManagerConstructor")
+    public SharedConnectivityManager(@NonNull Context context) {
+        ServiceConnection serviceConnection = new ServiceConnection() {
+            @Override
+            public void onServiceConnected(ComponentName name, IBinder service) {
+                mService = ISharedConnectivityService.Stub.asInterface(service);
+            }
+
+            @Override
+            public void onServiceDisconnected(ComponentName name) {
+                if (DEBUG) Log.i(TAG, "onServiceDisconnected");
+                mService = null;
+                mProxyMap.clear();
+            }
+        };
+        bind(context, serviceConnection);
+    }
+
+    /**
+     * @hide
+     */
+    @TestApi
+    public void setService(@Nullable IInterface service) {
+        mService = (ISharedConnectivityService) service;
+    }
+
+    private void bind(Context context, ServiceConnection serviceConnection) {
+        Resources resources = context.getResources();
+        int packageNameId = resources.getIdentifier(SERVICE_PACKAGE_NAME, "string",
+                context.getPackageName());
+        int classNameId = resources.getIdentifier(SERVICE_CLASS_NAME, "string",
+                context.getPackageName());
+        if (packageNameId == 0 || classNameId == 0) {
+            throw new Resources.NotFoundException("Package and class names for"
+                    + " shared connectivity service must be defined");
+        }
+
+        Intent intent = new Intent();
+        intent.setComponent(new ComponentName(resources.getString(packageNameId),
+                resources.getString(classNameId)));
+        context.bindService(
+                intent,
+                serviceConnection, Context.BIND_AUTO_CREATE);
+    }
+
+    /**
+     * Registers a callback for receiving updates to the list of Tether Networks and Known Networks.
+     *
+     * @param executor The Executor used to invoke the callback.
+     * @param callback The callback of type {@link SharedConnectivityClientCallback} that is invoked
+     *                 when the service updates either the list of Tether Networks or Known
+     *                 Networks.
+     * @return Returns true if the registration was successful, false otherwise.
+     */
+    public boolean registerCallback(@NonNull @CallbackExecutor Executor executor,
+            @NonNull SharedConnectivityClientCallback callback) {
+        Objects.requireNonNull(executor, "executor cannot be null");
+        Objects.requireNonNull(callback, "callback cannot be null");
+        if (mService == null || mProxyMap.containsKey(callback)) return false;
+        try {
+            SharedConnectivityCallbackProxy proxy =
+                    new SharedConnectivityCallbackProxy(executor, callback);
+            mService.registerCallback(proxy);
+            mProxyMap.put(callback, proxy);
+        } catch (RemoteException e) {
+            Log.e(TAG, "Exception in registerCallback", e);
+            return false;
+        }
+        return true;
+    }
+
+    /**
+     * Unregisters a callback.
+     *
+     * @return Returns true if the callback was successfully unregistered, false otherwise.
+     */
+    public boolean unregisterCallback(
+            @NonNull SharedConnectivityClientCallback callback) {
+        Objects.requireNonNull(callback, "callback cannot be null");
+        if (mService == null || !mProxyMap.containsKey(callback)) return false;
+        try {
+            mService.unregisterCallback(mProxyMap.get(callback));
+            mProxyMap.remove(callback);
+        } catch (RemoteException e) {
+            Log.e(TAG, "Exception in unregisterCallback", e);
+            return false;
+        }
+        return true;
+    }
+
+     /**
+     * Send command to the implementation of {@link SharedConnectivityService} requesting connection
+     * to the specified Tether Network.
+     *
+     * @param network {@link TetherNetwork} object representing the network the user has requested
+     *                a connection to.
+     * @return Returns true if the service received the command. Does not guarantee that the
+     *         connection was successful.
+     */
+    public boolean connectTetherNetwork(@NonNull TetherNetwork network) {
+        if (mService == null) return false;
+        try {
+            mService.connectTetherNetwork(network);
+        } catch (RemoteException e) {
+            Log.e(TAG, "Exception in connectTetherNetwork", e);
+            return false;
+        }
+        return true;
+    }
+
+    /**
+     * Send command to the implementation of {@link SharedConnectivityService} requesting
+     * disconnection from the active Tether Network.
+     *
+     * @return Returns true if the service received the command. Does not guarantee that the
+     *         disconnection was successful.
+     */
+    public boolean disconnectTetherNetwork() {
+        if (mService == null) return false;
+        try {
+            mService.disconnectTetherNetwork();
+        } catch (RemoteException e) {
+            Log.e(TAG, "Exception in disconnectTetherNetwork", e);
+            return false;
+        }
+        return true;
+    }
+
+    /**
+     * Send command to the implementation of {@link SharedConnectivityService} requesting connection
+     * to the specified Known Network.
+     *
+     * @param network {@link KnownNetwork} object representing the network the user has requested
+     *                a connection to.
+     * @return Returns true if the service received the command. Does not guarantee that the
+     *         connection was successful.
+     */
+    public boolean connectKnownNetwork(@NonNull KnownNetwork network) {
+        if (mService == null) return false;
+        try {
+            mService.connectKnownNetwork(network);
+        } catch (RemoteException e) {
+            Log.e(TAG, "Exception in connectKnownNetwork", e);
+            return false;
+        }
+        return true;
+    }
+
+    /**
+     * Send command to the implementation of {@link SharedConnectivityService} requesting removal of
+     * the specified Known Network from the list of Known Networks.
+     *
+     * @return Returns true if the service received the command. Does not guarantee that the
+     *         forget action was successful.
+     */
+    public boolean forgetKnownNetwork(@NonNull KnownNetwork network) {
+        if (mService == null) return false;
+        try {
+            mService.forgetKnownNetwork(network);
+        } catch (RemoteException e) {
+            Log.e(TAG, "Exception in forgetKnownNetwork", e);
+            return false;
+        }
+        return true;
+    }
+}
diff --git a/wifi/java/src/android/net/wifi/sharedconnectivity/app/SharedConnectivitySettingsState.aidl b/wifi/java/src/android/net/wifi/sharedconnectivity/app/SharedConnectivitySettingsState.aidl
new file mode 100644
index 0000000..289afac
--- /dev/null
+++ b/wifi/java/src/android/net/wifi/sharedconnectivity/app/SharedConnectivitySettingsState.aidl
@@ -0,0 +1,19 @@
+/*
+ * 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.net.wifi.sharedconnectivity.app;
+
+parcelable SharedConnectivitySettingsState;
\ No newline at end of file
diff --git a/wifi/java/src/android/net/wifi/sharedconnectivity/app/SharedConnectivitySettingsState.java b/wifi/java/src/android/net/wifi/sharedconnectivity/app/SharedConnectivitySettingsState.java
new file mode 100644
index 0000000..dd2fa94
--- /dev/null
+++ b/wifi/java/src/android/net/wifi/sharedconnectivity/app/SharedConnectivitySettingsState.java
@@ -0,0 +1,154 @@
+/*
+ * 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.net.wifi.sharedconnectivity.app;
+
+import android.annotation.NonNull;
+import android.annotation.SystemApi;
+import android.os.Bundle;
+import android.os.Parcel;
+import android.os.Parcelable;
+
+import java.util.Objects;
+
+
+/**
+ * A data class representing the shared connectivity settings state.
+ *
+ * This class represents a snapshot of the settings and can be out of date if the settings changed
+ * after receiving an object of this class.
+ *
+ * @hide
+ */
+@SystemApi
+public final class SharedConnectivitySettingsState implements Parcelable {
+
+    private final boolean mInstantTetherEnabled;
+    private final Bundle mExtras;
+
+    /**
+     * Builder class for {@link SharedConnectivitySettingsState}.
+     */
+    public static final class Builder {
+        private boolean mInstantTetherEnabled;
+        private Bundle mExtras;
+
+        public Builder() {}
+
+        /**
+         * Sets the state of Instant Tether in settings
+         *
+         * @return Returns the Builder object.
+         */
+        @NonNull
+        public Builder setInstantTetherEnabled(boolean instantTetherEnabled) {
+            mInstantTetherEnabled = instantTetherEnabled;
+            return this;
+        }
+
+        /**
+         * Sets the extras bundle
+         *
+         * @return Returns the Builder object.
+         */
+        @NonNull
+        public Builder setExtras(@NonNull Bundle extras) {
+            mExtras = extras;
+            return this;
+        }
+
+        /**
+         * Builds the {@link SharedConnectivitySettingsState} object.
+         *
+         * @return Returns the built {@link SharedConnectivitySettingsState} object.
+         */
+        @NonNull
+        public SharedConnectivitySettingsState build() {
+            return new SharedConnectivitySettingsState(mInstantTetherEnabled, mExtras);
+        }
+    }
+
+    private SharedConnectivitySettingsState(boolean instantTetherEnabled, Bundle extras) {
+        mInstantTetherEnabled = instantTetherEnabled;
+        mExtras = extras;
+    }
+
+    /**
+     * Gets the state of Instant Tether in settings
+     *
+     * @return Returns true for enabled, false otherwise.
+     */
+    @NonNull
+    public boolean isInstantTetherEnabled() {
+        return mInstantTetherEnabled;
+    }
+
+    /**
+     * Gets the extras Bundle.
+     *
+     * @return Returns a Bundle object.
+     */
+    @NonNull
+    public Bundle getExtras() {
+        return mExtras;
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        if (!(obj instanceof SharedConnectivitySettingsState)) return false;
+        SharedConnectivitySettingsState other = (SharedConnectivitySettingsState) obj;
+        return mInstantTetherEnabled == other.isInstantTetherEnabled();
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(mInstantTetherEnabled);
+    }
+
+    @Override
+    public int describeContents() {
+        return 0;
+    }
+
+    @Override
+    public void writeToParcel(@NonNull Parcel dest, int flags) {
+        dest.writeBoolean(mInstantTetherEnabled);
+        dest.writeBundle(mExtras);
+    }
+
+    @NonNull
+    public static final Creator<SharedConnectivitySettingsState> CREATOR =
+            new Creator<SharedConnectivitySettingsState>() {
+                @Override
+                public SharedConnectivitySettingsState createFromParcel(Parcel in) {
+                    return new SharedConnectivitySettingsState(in.readBoolean(),
+                            in.readBundle(getClass().getClassLoader()));
+                }
+
+                @Override
+                public SharedConnectivitySettingsState[] newArray(int size) {
+                    return new SharedConnectivitySettingsState[size];
+                }
+            };
+
+    @Override
+    public String toString() {
+        return new StringBuilder("SharedConnectivitySettingsState[")
+                .append("instantTetherEnabled=").append(mInstantTetherEnabled)
+                .append("extras=").append(mExtras.toString())
+                .append("]").toString();
+    }
+}
diff --git a/wifi/java/src/android/net/wifi/sharedconnectivity/app/TetherNetwork.aidl b/wifi/java/src/android/net/wifi/sharedconnectivity/app/TetherNetwork.aidl
new file mode 100644
index 0000000..6cc4cfe
--- /dev/null
+++ b/wifi/java/src/android/net/wifi/sharedconnectivity/app/TetherNetwork.aidl
@@ -0,0 +1,19 @@
+/*
+ * 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.net.wifi.sharedconnectivity.app;
+
+parcelable TetherNetwork;
diff --git a/wifi/java/src/android/net/wifi/sharedconnectivity/app/TetherNetwork.java b/wifi/java/src/android/net/wifi/sharedconnectivity/app/TetherNetwork.java
new file mode 100644
index 0000000..bbdad53
--- /dev/null
+++ b/wifi/java/src/android/net/wifi/sharedconnectivity/app/TetherNetwork.java
@@ -0,0 +1,369 @@
+/*
+ * 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.net.wifi.sharedconnectivity.app;
+
+import static android.net.wifi.WifiAnnotations.SecurityType;
+
+import android.annotation.IntDef;
+import android.annotation.NonNull;
+import android.annotation.Nullable;
+import android.annotation.SystemApi;
+import android.net.wifi.sharedconnectivity.service.SharedConnectivityService;
+import android.os.Parcel;
+import android.os.Parcelable;
+
+
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.util.Arrays;
+import java.util.Objects;
+
+/**
+ * A data class representing an Instant Tether network.
+ * This class is used in IPC calls between the implementer of {@link SharedConnectivityService} and
+ * the consumers of {@link com.android.wifitrackerlib}.
+ *
+ * @hide
+ */
+@SystemApi
+public final class TetherNetwork implements Parcelable {
+    /**
+     * Remote device is connected to the internet via an unknown connection.
+     */
+    public static final int NETWORK_TYPE_UNKNOWN = 0;
+
+    /**
+     * Remote device is connected to the internet via a cellular connection.
+     */
+    public static final int NETWORK_TYPE_CELLULAR = 1;
+
+    /**
+     * Remote device is connected to the internet via a Wi-Fi connection.
+     */
+    public static final int NETWORK_TYPE_WIFI = 2;
+
+    /**
+     * Remote device is connected to the internet via an ethernet connection.
+     */
+    public static final int NETWORK_TYPE_ETHERNET = 3;
+
+    /**
+     * @hide
+     */
+    @Retention(RetentionPolicy.SOURCE)
+    @IntDef({
+            NETWORK_TYPE_UNKNOWN,
+            NETWORK_TYPE_CELLULAR,
+            NETWORK_TYPE_WIFI,
+            NETWORK_TYPE_ETHERNET
+    })
+    public @interface NetworkType {}
+
+    private final long mDeviceId;
+    private final DeviceInfo mDeviceInfo;
+    @NetworkType private final int mNetworkType;
+    private final String mNetworkName;
+    @Nullable private final String mHotspotSsid;
+    @Nullable private final String mHotspotBssid;
+    @Nullable @SecurityType private final int[] mHotspotSecurityTypes;
+
+    /**
+     * Builder class for {@link TetherNetwork}.
+     */
+    public static final class Builder {
+        private long mDeviceId = -1;
+        private DeviceInfo mDeviceInfo;
+        @NetworkType private int mNetworkType;
+        private String mNetworkName;
+        @Nullable private String mHotspotSsid;
+        @Nullable private String mHotspotBssid;
+        @Nullable @SecurityType private int[] mHotspotSecurityTypes;
+
+        public Builder() {}
+
+        /**
+         * Set the remote device ID.
+         *
+         * @param deviceId Locally unique ID for this Instant Tether network.
+         * @return Returns the Builder object.
+         */
+        @NonNull
+        public Builder setDeviceId(long deviceId) {
+            mDeviceId = deviceId;
+            return this;
+        }
+
+        /**
+         * Sets information about the device providing connectivity.
+         *
+         * @param deviceInfo The user configurable device name.
+         * @return Returns the Builder object.
+         */
+        @NonNull
+        public Builder setDeviceInfo(@NonNull DeviceInfo deviceInfo) {
+            mDeviceInfo = deviceInfo;
+            return this;
+        }
+
+        /**
+         * Sets the network type that the remote device is connected to.
+         *
+         * @param networkType Network type as represented by IntDef {@link NetworkType}.
+         * @return Returns the Builder object.
+         */
+        @NonNull
+        public Builder setNetworkType(@NetworkType int networkType) {
+            mNetworkType = networkType;
+            return this;
+        }
+
+        /**
+         * Sets the display name of the network the remote device is connected to.
+         *
+         * @param networkName Network display name. (e.g. "Google Fi", "Hotel WiFi", "Ethernet")
+         * @return Returns the Builder object.
+         */
+        @NonNull
+        public Builder setNetworkName(@NonNull String networkName) {
+            mNetworkName = networkName;
+            return this;
+        }
+
+        /**
+         * Sets the hotspot SSID being broadcast by the remote device, or null if hotspot is off.
+         *
+         * @param hotspotSsid The SSID of the hotspot. Surrounded by double quotes if UTF-8.
+         * @return Returns the Builder object.
+         */
+        @NonNull
+        public Builder setHotspotSsid(@NonNull String hotspotSsid) {
+            mHotspotSsid = hotspotSsid;
+            return this;
+        }
+
+        /**
+         * Sets the hotspot BSSID being broadcast by the remote device, or null if hotspot is off.
+         *
+         * @param hotspotBssid The BSSID of the hotspot.
+         * @return Returns the Builder object.
+         */
+        @NonNull
+        public Builder setHotspotBssid(@NonNull String hotspotBssid) {
+            mHotspotBssid = hotspotBssid;
+            return this;
+        }
+
+        /**
+         * Sets the hotspot security types supported by the remote device, or null if hotspot is
+         * off.
+         *
+         * @param hotspotSecurityTypes The array of security types supported by the hotspot.
+         * @return Returns the Builder object.
+         */
+        @NonNull
+        public Builder setHotspotSecurityTypes(@NonNull @SecurityType int[] hotspotSecurityTypes) {
+            mHotspotSecurityTypes = hotspotSecurityTypes;
+            return this;
+        }
+
+        /**
+         * Builds the {@link TetherNetwork} object.
+         *
+         * @return Returns the built {@link TetherNetwork} object.
+         */
+        @NonNull
+        public TetherNetwork build() {
+            return new TetherNetwork(
+                    mDeviceId,
+                    mDeviceInfo,
+                    mNetworkType,
+                    mNetworkName,
+                    mHotspotSsid,
+                    mHotspotBssid,
+                    mHotspotSecurityTypes);
+        }
+    }
+
+    private static void validate(long deviceId, int networkType, String networkName) {
+        if (deviceId < 0) {
+            throw new IllegalArgumentException("DeviceId must be set");
+        }
+        if (networkType != NETWORK_TYPE_CELLULAR && networkType != NETWORK_TYPE_WIFI
+                && networkType != NETWORK_TYPE_ETHERNET && networkType != NETWORK_TYPE_UNKNOWN) {
+            throw new IllegalArgumentException("Illegal network type");
+        }
+        if (Objects.isNull(networkName)) {
+            throw new IllegalArgumentException("NetworkName must be set");
+        }
+    }
+
+    private TetherNetwork(
+            long deviceId,
+            DeviceInfo deviceInfo,
+            @NetworkType int networkType,
+            @NonNull String networkName,
+            @Nullable String hotspotSsid,
+            @Nullable String hotspotBssid,
+            @Nullable @SecurityType int[] hotspotSecurityTypes) {
+        validate(deviceId,
+                networkType,
+                networkName);
+        mDeviceId = deviceId;
+        mDeviceInfo = deviceInfo;
+        mNetworkType = networkType;
+        mNetworkName = networkName;
+        mHotspotSsid = hotspotSsid;
+        mHotspotBssid = hotspotBssid;
+        mHotspotSecurityTypes = hotspotSecurityTypes;
+    }
+
+    /**
+     * Gets the remote device ID.
+     *
+     * @return Returns the locally unique ID for this Instant Tether network.
+     */
+    @NonNull
+    public long getDeviceId() {
+        return mDeviceId;
+    }
+
+    /**
+     * Gets information about the device providing connectivity.
+     *
+     * @return Returns the locally unique ID for this Instant Tether network.
+     */
+    @NonNull
+    public DeviceInfo getDeviceInfo() {
+        return mDeviceInfo;
+    }
+
+    /**
+     * Gets the network type that the remote device is connected to.
+     *
+     * @return Returns the network type as represented by IntDef {@link NetworkType}.
+     */
+    @NonNull
+    @NetworkType
+    public int getNetworkType() {
+        return mNetworkType;
+    }
+
+    /**
+     * Gets the display name of the network the remote device is connected to.
+     *
+     * @return Returns the network display name. (e.g. "Google Fi", "Hotel WiFi", "Ethernet")
+     */
+    @NonNull
+    public String getNetworkName() {
+        return mNetworkName;
+    }
+
+    /**
+     * Gets the hotspot SSID being broadcast by the remote device, or null if hotspot is off.
+     *
+     * @return Returns the SSID of the hotspot. Surrounded by double quotes if UTF-8.
+     */
+    @Nullable
+    public String getHotspotSsid() {
+        return mHotspotSsid;
+    }
+
+    /**
+     * Gets the hotspot BSSID being broadcast by the remote device, or null if hotspot is off.
+     *
+     * @return Returns the BSSID of the hotspot.
+     */
+    @Nullable
+    public String getHotspotBssid() {
+        return mHotspotBssid;
+    }
+
+    /**
+     * Gets the hotspot security types supported by the remote device.
+     *
+     * @return Returns the array of security types supported by the hotspot.
+     */
+    @Nullable
+    @SecurityType
+    public int[] getHotspotSecurityTypes() {
+        return mHotspotSecurityTypes;
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        if (!(obj instanceof TetherNetwork)) return false;
+        TetherNetwork other = (TetherNetwork) obj;
+        return mDeviceId == other.getDeviceId()
+                && Objects.equals(mDeviceInfo, other.getDeviceInfo())
+                && mNetworkType == other.getNetworkType()
+                && Objects.equals(mNetworkName, other.getNetworkName())
+                && Objects.equals(mHotspotSsid, other.getHotspotSsid())
+                && Objects.equals(mHotspotBssid, other.getHotspotBssid())
+                && Arrays.equals(mHotspotSecurityTypes, other.getHotspotSecurityTypes());
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(mDeviceId, mDeviceInfo, mNetworkName, mHotspotSsid, mHotspotBssid,
+                Arrays.hashCode(mHotspotSecurityTypes));
+    }
+
+    @Override
+    public int describeContents() {
+        return 0;
+    }
+
+    @Override
+    public void writeToParcel(@NonNull Parcel dest, int flags) {
+        dest.writeLong(mDeviceId);
+        dest.writeTypedObject(mDeviceInfo, 0);
+        dest.writeInt(mNetworkType);
+        dest.writeString(mNetworkName);
+        dest.writeString(mHotspotSsid);
+        dest.writeString(mHotspotBssid);
+        dest.writeIntArray(mHotspotSecurityTypes);
+    }
+
+    @NonNull
+    public static final Creator<TetherNetwork> CREATOR = new Creator<>() {
+        @Override
+        public TetherNetwork createFromParcel(Parcel in) {
+            return new TetherNetwork(in.readLong(), in.readTypedObject(
+                    android.net.wifi.sharedconnectivity.app.DeviceInfo.CREATOR),
+                    in.readInt(), in.readString(), in.readString(), in.readString(),
+                    in.createIntArray());
+        }
+
+        @Override
+        public TetherNetwork[] newArray(int size) {
+            return new TetherNetwork[size];
+        }
+    };
+
+    @Override
+    public String toString() {
+        return new StringBuilder("TetherNetwork[")
+                .append("deviceId=").append(mDeviceId)
+                .append(", networkType=").append(mNetworkType)
+                .append(", deviceInfo=").append(mDeviceInfo.toString())
+                .append(", networkName=").append(mNetworkName)
+                .append(", hotspotSsid=").append(mHotspotSsid)
+                .append(", hotspotBssid=").append(mHotspotBssid)
+                .append(", hotspotSecurityTypes=").append(Arrays.toString(mHotspotSecurityTypes))
+                .append("]").toString();
+    }
+}
diff --git a/wifi/java/src/android/net/wifi/sharedconnectivity/service/ISharedConnectivityCallback.aidl b/wifi/java/src/android/net/wifi/sharedconnectivity/service/ISharedConnectivityCallback.aidl
new file mode 100644
index 0000000..6e56138
--- /dev/null
+++ b/wifi/java/src/android/net/wifi/sharedconnectivity/service/ISharedConnectivityCallback.aidl
@@ -0,0 +1,30 @@
+/*
+ * 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.net.wifi.sharedconnectivity.service;
+
+import android.net.wifi.sharedconnectivity.app.KnownNetwork;
+import android.net.wifi.sharedconnectivity.app.SharedConnectivitySettingsState;
+import android.net.wifi.sharedconnectivity.app.TetherNetwork;
+
+/*
+ * @hide
+ */
+interface ISharedConnectivityCallback {
+    oneway void onTetherNetworksUpdated(in List<TetherNetwork> networks);
+    oneway void onKnownNetworksUpdated(in List<KnownNetwork> networks);
+    oneway void onSharedConnectivitySettingsChanged(in SharedConnectivitySettingsState state);
+}
diff --git a/wifi/java/src/android/net/wifi/sharedconnectivity/service/ISharedConnectivityService.aidl b/wifi/java/src/android/net/wifi/sharedconnectivity/service/ISharedConnectivityService.aidl
new file mode 100644
index 0000000..5d79405
--- /dev/null
+++ b/wifi/java/src/android/net/wifi/sharedconnectivity/service/ISharedConnectivityService.aidl
@@ -0,0 +1,33 @@
+/*
+ * 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.net.wifi.sharedconnectivity.service;
+
+import android.net.wifi.sharedconnectivity.app.KnownNetwork;
+import android.net.wifi.sharedconnectivity.app.TetherNetwork;
+import android.net.wifi.sharedconnectivity.service.ISharedConnectivityCallback;
+
+/*
+ * @hide
+ */
+interface ISharedConnectivityService {
+    void registerCallback(in ISharedConnectivityCallback callback);
+    void unregisterCallback(in ISharedConnectivityCallback callback);
+    void connectTetherNetwork(in TetherNetwork network);
+    void disconnectTetherNetwork();
+    void connectKnownNetwork(in KnownNetwork network);
+    void forgetKnownNetwork(in KnownNetwork network);
+}
diff --git a/wifi/java/src/android/net/wifi/sharedconnectivity/service/SharedConnectivityService.java b/wifi/java/src/android/net/wifi/sharedconnectivity/service/SharedConnectivityService.java
new file mode 100644
index 0000000..234319a
--- /dev/null
+++ b/wifi/java/src/android/net/wifi/sharedconnectivity/service/SharedConnectivityService.java
@@ -0,0 +1,287 @@
+/*
+ * 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.net.wifi.sharedconnectivity.service;
+
+import static android.Manifest.permission.NETWORK_SETTINGS;
+import static android.Manifest.permission.NETWORK_SETUP_WIZARD;
+
+import android.annotation.NonNull;
+import android.annotation.Nullable;
+import android.annotation.RequiresPermission;
+import android.annotation.SystemApi;
+import android.app.Service;
+import android.content.Intent;
+import android.content.pm.PackageManager;
+import android.net.wifi.sharedconnectivity.app.KnownNetwork;
+import android.net.wifi.sharedconnectivity.app.SharedConnectivityManager;
+import android.net.wifi.sharedconnectivity.app.SharedConnectivitySettingsState;
+import android.net.wifi.sharedconnectivity.app.TetherNetwork;
+import android.os.Handler;
+import android.os.IBinder;
+import android.os.RemoteException;
+import android.util.Log;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+
+/**
+ * This class is the partly implemented service for injecting Shared Connectivity networks into the
+ * Wi-Fi Pickers and other relevant UI surfaces.
+ *
+ * Implementing application should extend this service and override the indicated methods.
+ * Callers to the service should use {@link SharedConnectivityManager} to bind to the implemented
+ * service as specified in the configuration overlay.
+ *
+ * @hide
+ */
+@SystemApi
+public abstract class SharedConnectivityService extends Service {
+    private static final String TAG = SharedConnectivityService.class.getSimpleName();
+    private static final boolean DEBUG = true;
+
+    private  final Handler mHandler;
+    private final List<ISharedConnectivityCallback> mCallbacks = new ArrayList<>();
+    // Used to find DeathRecipient when unregistering a callback to call unlinkToDeath.
+    private final Map<ISharedConnectivityCallback, DeathRecipient> mDeathRecipientMap =
+            new HashMap<>();
+
+    private List<TetherNetwork> mTetherNetworks = Collections.emptyList();
+    private List<KnownNetwork> mKnownNetworks = Collections.emptyList();
+    private SharedConnectivitySettingsState mSettingsState;
+
+    public SharedConnectivityService() {
+        mHandler = new Handler(getMainLooper());
+    }
+
+    public SharedConnectivityService(@NonNull Handler handler) {
+        mHandler = handler;
+    }
+
+    private final class DeathRecipient implements IBinder.DeathRecipient {
+        ISharedConnectivityCallback mCallback;
+
+        DeathRecipient(ISharedConnectivityCallback callback) {
+            mCallback = callback;
+        }
+
+        @Override
+        public void binderDied() {
+            mCallbacks.remove(mCallback);
+            mDeathRecipientMap.remove(mCallback);
+        }
+    }
+
+    @Override
+    @Nullable
+    public IBinder onBind(@NonNull Intent intent) {
+        if (DEBUG) Log.i(TAG, "onBind intent=" + intent);
+        return new ISharedConnectivityService.Stub() {
+            @Override
+            public void registerCallback(ISharedConnectivityCallback callback) {
+                checkPermissions();
+                mHandler.post(() -> registerCallback(callback));
+            }
+
+            @Override
+            public void unregisterCallback(ISharedConnectivityCallback callback) {
+                checkPermissions();
+                mHandler.post(() -> unregisterCallback(callback));
+            }
+
+            @Override
+            public void connectTetherNetwork(TetherNetwork network) {
+                checkPermissions();
+                mHandler.post(() -> onConnectTetherNetwork(network));
+            }
+
+            @Override
+            public void disconnectTetherNetwork() {
+                checkPermissions();
+                mHandler.post(() -> onDisconnectTetherNetwork());
+            }
+
+            @Override
+            public void connectKnownNetwork(KnownNetwork network) {
+                checkPermissions();
+                mHandler.post(() -> onConnectKnownNetwork(network));
+            }
+
+            @Override
+            public void forgetKnownNetwork(KnownNetwork network) {
+                checkPermissions();
+                mHandler.post(() -> onForgetKnownNetwork(network));
+            }
+
+            @RequiresPermission(anyOf = {android.Manifest.permission.NETWORK_SETTINGS,
+                    android.Manifest.permission.NETWORK_SETUP_WIZARD})
+            private void checkPermissions() {
+                if (checkCallingPermission(NETWORK_SETTINGS) != PackageManager.PERMISSION_GRANTED
+                        && checkCallingPermission(NETWORK_SETUP_WIZARD)
+                                != PackageManager.PERMISSION_GRANTED) {
+                    throw new SecurityException("Calling process must have NETWORK_SETTINGS or"
+                            + " NETWORK_SETUP_WIZARD permission");
+                }
+            }
+        };
+    }
+
+    private void registerCallback(ISharedConnectivityCallback callback) {
+        // Listener gets triggered on first register using cashed data
+        if (!notifyTetherNetworkUpdate(callback) || !notifyKnownNetworkUpdate(callback)) {
+            if (DEBUG) Log.w(TAG, "Failed to notify client");
+            return;
+        }
+
+        DeathRecipient deathRecipient = new DeathRecipient(callback);
+        try {
+            callback.asBinder().linkToDeath(deathRecipient, 0);
+            mCallbacks.add(callback);
+            mDeathRecipientMap.put(callback, deathRecipient);
+        } catch (RemoteException e) {
+            if (DEBUG) Log.w(TAG, "Exception in registerCallback", e);
+        }
+    }
+
+    private void unregisterCallback(ISharedConnectivityCallback callback) {
+        DeathRecipient deathRecipient = mDeathRecipientMap.get(callback);
+        if (deathRecipient != null) {
+            callback.asBinder().unlinkToDeath(deathRecipient, 0);
+            mDeathRecipientMap.remove(callback);
+        }
+        mCallbacks.remove(callback);
+    }
+
+    private boolean notifyTetherNetworkUpdate(ISharedConnectivityCallback callback) {
+        try {
+            callback.onTetherNetworksUpdated(mTetherNetworks);
+        } catch (RemoteException e) {
+            if (DEBUG) Log.w(TAG, "Exception in notifyTetherNetworkUpdate", e);
+            return false;
+        }
+        return true;
+    }
+
+    private boolean notifyKnownNetworkUpdate(ISharedConnectivityCallback callback) {
+        try {
+            callback.onKnownNetworksUpdated(mKnownNetworks);
+        } catch (RemoteException e) {
+            if (DEBUG) Log.w(TAG, "Exception in notifyKnownNetworkUpdate", e);
+            return false;
+        }
+        return true;
+    }
+
+    private boolean notifySettingsStateUpdate(ISharedConnectivityCallback callback) {
+        try {
+            callback.onSharedConnectivitySettingsChanged(mSettingsState);
+        } catch (RemoteException e) {
+            if (DEBUG) Log.w(TAG, "Exception in notifySettingsStateUpdate", e);
+            return false;
+        }
+        return true;
+    }
+
+    /**
+     * Implementing application should call this method to provide an up-to-date list of Tether
+     * Networks to be displayed to the user.
+     *
+     * This method updates the cached list and notifies all registered callbacks. Any callbacks that
+     * are inaccessible will be unregistered.
+     *
+     * @param networks The updated list of {@link TetherNetwork} objects.
+     */
+    public final void setTetherNetworks(@NonNull List<TetherNetwork> networks) {
+        mTetherNetworks = networks;
+
+        for (ISharedConnectivityCallback callback:mCallbacks) {
+            notifyTetherNetworkUpdate(callback);
+        }
+    }
+
+    /**
+     * Implementing application should call this method to provide an up-to-date list of Known
+     * Networks to be displayed to the user.
+     *
+     * This method updates the cached list and notifies all registered callbacks. Any callbacks that
+     * are inaccessible will be unregistered.
+     *
+     * @param networks The updated list of {@link KnownNetwork} objects.
+     */
+    public final void setKnownNetworks(@NonNull List<KnownNetwork> networks) {
+        mKnownNetworks = networks;
+
+        for (ISharedConnectivityCallback callback:mCallbacks) {
+            notifyKnownNetworkUpdate(callback);
+        }
+    }
+
+    /**
+     * Implementing application should call this method to provide an up-to-date state of Shared
+     * connectivity settings state.
+     *
+     * This method updates the cached state and notifies all registered callbacks. Any callbacks
+     * that are inaccessible will be unregistered.
+     *
+     * @param settingsState The updated state {@link SharedConnectivitySettingsState}
+     *                 objects.
+     */
+    public final void setSettingsState(@NonNull SharedConnectivitySettingsState settingsState) {
+        mSettingsState = settingsState;
+
+        for (ISharedConnectivityCallback callback:mCallbacks) {
+            notifySettingsStateUpdate(callback);
+        }
+    }
+
+    /**
+     * Implementing application should implement this method.
+     *
+     * Implementation should initiate a connection to the Tether Network indicated.
+     *
+     * @param network Object identifying the Tether Network the user has requested a connection to.
+     */
+    public abstract void onConnectTetherNetwork(@NonNull TetherNetwork network);
+
+    /**
+     * Implementing application should implement this method.
+     *
+     * Implementation should initiate a disconnection from the active Tether Network.
+     */
+    public abstract void onDisconnectTetherNetwork();
+
+    /**
+     * Implementing application should implement this method.
+     *
+     * Implementation should initiate a connection to the Known Network indicated.
+     *
+     * @param network Object identifying the Known Network the user has requested a connection to.
+     */
+    public abstract void onConnectKnownNetwork(@NonNull KnownNetwork network);
+
+    /**
+     * Implementing application should implement this method.
+     *
+     * Implementation should remove the Known Network indicated from the synced list of networks.
+     *
+     * @param network Object identifying the Known Network the user has requested to forget.
+     */
+    public abstract void onForgetKnownNetwork(@NonNull KnownNetwork network);
+}
diff --git a/wifi/tests/src/android/net/wifi/sharedconnectivity/app/DeviceInfoTest.java b/wifi/tests/src/android/net/wifi/sharedconnectivity/app/DeviceInfoTest.java
new file mode 100644
index 0000000..f8f0700
--- /dev/null
+++ b/wifi/tests/src/android/net/wifi/sharedconnectivity/app/DeviceInfoTest.java
@@ -0,0 +1,116 @@
+/*
+ * 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.net.wifi.sharedconnectivity.app;
+
+import static android.net.wifi.sharedconnectivity.app.DeviceInfo.DEVICE_TYPE_LAPTOP;
+import static android.net.wifi.sharedconnectivity.app.DeviceInfo.DEVICE_TYPE_PHONE;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNotEquals;
+
+import android.os.Parcel;
+
+import androidx.test.filters.SmallTest;
+
+import org.junit.Test;
+
+/**
+ * Unit tests for {@link android.app.sharedconnectivity.DeviceInfo}.
+ */
+@SmallTest
+public class DeviceInfoTest {
+
+    private static final int DEVICE_TYPE = DEVICE_TYPE_PHONE;
+    private static final String DEVICE_NAME = "TEST_NAME";
+    private static final String DEVICE_MODEL = "TEST_MODEL";
+    private static final int BATTERY_PERCENTAGE = 50;
+    private static final int CONNECTION_STRENGTH = 2;
+
+    private static final int DEVICE_TYPE_1 = DEVICE_TYPE_LAPTOP;
+    private static final String DEVICE_NAME_1 = "TEST_NAME1";
+    private static final String DEVICE_MODEL_1 = "TEST_MODEL1";
+    private static final int BATTERY_PERCENTAGE_1 = 30;
+    private static final int CONNECTION_STRENGTH_1 = 1;
+
+    /**
+     * Verifies parcel serialization/deserialization.
+     */
+    @Test
+    public void testParcelOperation() {
+        DeviceInfo info = buildDeviceInfoBuilder().build();
+
+        Parcel parcelW = Parcel.obtain();
+        info.writeToParcel(parcelW, 0);
+        byte[] bytes = parcelW.marshall();
+        parcelW.recycle();
+
+        Parcel parcelR = Parcel.obtain();
+        parcelR.unmarshall(bytes, 0, bytes.length);
+        parcelR.setDataPosition(0);
+        DeviceInfo fromParcel = DeviceInfo.CREATOR.createFromParcel(parcelR);
+
+        assertEquals(info, fromParcel);
+        assertEquals(info.hashCode(), fromParcel.hashCode());
+    }
+
+    /**
+     * Verifies the Equals operation
+     */
+    @Test
+    public void testEqualsOperation() {
+        DeviceInfo info1 = buildDeviceInfoBuilder().build();
+        DeviceInfo info2 = buildDeviceInfoBuilder().build();
+        assertEquals(info1, info2);
+
+        DeviceInfo.Builder builder = buildDeviceInfoBuilder().setDeviceType(DEVICE_TYPE_1);
+        assertNotEquals(info1, builder.build());
+
+        builder = buildDeviceInfoBuilder().setDeviceName(DEVICE_NAME_1);
+        assertNotEquals(info1, builder.build());
+
+        builder = buildDeviceInfoBuilder().setModelName(DEVICE_MODEL_1);
+        assertNotEquals(info1, builder.build());
+
+        builder = buildDeviceInfoBuilder()
+                .setBatteryPercentage(BATTERY_PERCENTAGE_1);
+        assertNotEquals(info1, builder.build());
+
+        builder = buildDeviceInfoBuilder()
+                .setConnectionStrength(CONNECTION_STRENGTH_1);
+        assertNotEquals(info1, builder.build());
+    }
+
+    /**
+     * Verifies the get methods return the expected data.
+     */
+    @Test
+    public void testGetMethods() {
+        DeviceInfo info = buildDeviceInfoBuilder().build();
+        assertEquals(info.getDeviceType(), DEVICE_TYPE);
+        assertEquals(info.getDeviceName(), DEVICE_NAME);
+        assertEquals(info.getModelName(), DEVICE_MODEL);
+        assertEquals(info.getBatteryPercentage(), BATTERY_PERCENTAGE);
+        assertEquals(info.getConnectionStrength(), CONNECTION_STRENGTH);
+        assertEquals(info.getConnectionStrength(), CONNECTION_STRENGTH);
+    }
+
+    private DeviceInfo.Builder buildDeviceInfoBuilder() {
+        return new DeviceInfo.Builder().setDeviceType(DEVICE_TYPE).setDeviceName(DEVICE_NAME)
+                .setModelName(DEVICE_MODEL).setBatteryPercentage(BATTERY_PERCENTAGE)
+                .setConnectionStrength(CONNECTION_STRENGTH);
+    }
+}
diff --git a/wifi/tests/src/android/net/wifi/sharedconnectivity/app/KnownNetworkTest.java b/wifi/tests/src/android/net/wifi/sharedconnectivity/app/KnownNetworkTest.java
new file mode 100644
index 0000000..266afcc
--- /dev/null
+++ b/wifi/tests/src/android/net/wifi/sharedconnectivity/app/KnownNetworkTest.java
@@ -0,0 +1,115 @@
+/*
+ * 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.net.wifi.sharedconnectivity.app;
+
+import static android.net.wifi.WifiInfo.SECURITY_TYPE_PSK;
+import static android.net.wifi.WifiInfo.SECURITY_TYPE_WEP;
+import static android.net.wifi.sharedconnectivity.app.DeviceInfo.DEVICE_TYPE_PHONE;
+import static android.net.wifi.sharedconnectivity.app.DeviceInfo.DEVICE_TYPE_TABLET;
+import static android.net.wifi.sharedconnectivity.app.KnownNetwork.NETWORK_SOURCE_CLOUD_SELF;
+import static android.net.wifi.sharedconnectivity.app.KnownNetwork.NETWORK_SOURCE_NEARBY_SELF;
+
+import static org.junit.Assert.assertArrayEquals;
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNotEquals;
+
+import android.os.Parcel;
+
+import androidx.test.filters.SmallTest;
+
+import org.junit.Test;
+
+/**
+ * Unit tests for {@link android.app.sharedconnectivity.KnownNetwork}.
+ */
+@SmallTest
+public class KnownNetworkTest {
+
+    private static final int NETWORK_SOURCE = NETWORK_SOURCE_NEARBY_SELF;
+    private static final String SSID = "TEST_SSID";
+    private static final int[] SECURITY_TYPES = {SECURITY_TYPE_WEP};
+    private static final DeviceInfo DEVICE_INFO = new DeviceInfo.Builder()
+            .setDeviceType(DEVICE_TYPE_TABLET).setDeviceName("TEST_NAME").setModelName("TEST_MODEL")
+            .setConnectionStrength(2).setBatteryPercentage(50).build();
+    private static final int NETWORK_SOURCE_1 = NETWORK_SOURCE_CLOUD_SELF;
+    private static final String SSID_1 = "TEST_SSID1";
+    private static final int[] SECURITY_TYPES_1 = {SECURITY_TYPE_PSK};
+    private static final DeviceInfo DEVICE_INFO_1 = new DeviceInfo.Builder()
+            .setDeviceType(DEVICE_TYPE_PHONE).setDeviceName("TEST_NAME_1")
+            .setModelName("TEST_MODEL_1").setConnectionStrength(3).setBatteryPercentage(33).build();
+
+    /**
+     * Verifies parcel serialization/deserialization.
+     */
+    @Test
+    public void testParcelOperation() {
+        KnownNetwork network = buildKnownNetworkBuilder().build();
+
+        Parcel parcelW = Parcel.obtain();
+        network.writeToParcel(parcelW, 0);
+        byte[] bytes = parcelW.marshall();
+        parcelW.recycle();
+
+        Parcel parcelR = Parcel.obtain();
+        parcelR.unmarshall(bytes, 0, bytes.length);
+        parcelR.setDataPosition(0);
+        KnownNetwork fromParcel = KnownNetwork.CREATOR.createFromParcel(parcelR);
+
+        assertEquals(network, fromParcel);
+        assertEquals(network.hashCode(), fromParcel.hashCode());
+    }
+
+    /**
+     * Verifies the Equals operation
+     */
+    @Test
+    public void testEqualsOperation() {
+        KnownNetwork network1 = buildKnownNetworkBuilder().build();
+        KnownNetwork network2 = buildKnownNetworkBuilder().build();
+        assertEquals(network1, network2);
+
+        KnownNetwork.Builder builder = buildKnownNetworkBuilder()
+                .setNetworkSource(NETWORK_SOURCE_1);
+        assertNotEquals(network1, builder.build());
+
+        builder = buildKnownNetworkBuilder().setSsid(SSID_1);
+        assertNotEquals(network1, builder.build());
+
+        builder = buildKnownNetworkBuilder().setSecurityTypes(SECURITY_TYPES_1);
+        assertNotEquals(network1, builder.build());
+
+        builder = buildKnownNetworkBuilder().setDeviceInfo(DEVICE_INFO_1);
+        assertNotEquals(network1, builder.build());
+    }
+
+    /**
+     * Verifies the get methods return the expected data.
+     */
+    @Test
+    public void testGetMethods() {
+        KnownNetwork network = buildKnownNetworkBuilder().build();
+        assertEquals(network.getNetworkSource(), NETWORK_SOURCE);
+        assertEquals(network.getSsid(), SSID);
+        assertArrayEquals(network.getSecurityTypes(), SECURITY_TYPES);
+        assertEquals(network.getDeviceInfo(), DEVICE_INFO);
+    }
+
+    private KnownNetwork.Builder buildKnownNetworkBuilder() {
+        return new KnownNetwork.Builder().setNetworkSource(NETWORK_SOURCE).setSsid(SSID)
+                .setSecurityTypes(SECURITY_TYPES).setDeviceInfo(DEVICE_INFO);
+    }
+}
diff --git a/wifi/tests/src/android/net/wifi/sharedconnectivity/app/SharedConnectivityManagerTest.java b/wifi/tests/src/android/net/wifi/sharedconnectivity/app/SharedConnectivityManagerTest.java
new file mode 100644
index 0000000..9aeccac
--- /dev/null
+++ b/wifi/tests/src/android/net/wifi/sharedconnectivity/app/SharedConnectivityManagerTest.java
@@ -0,0 +1,257 @@
+/*
+ * 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.net.wifi.sharedconnectivity.app;
+
+import static android.net.wifi.WifiInfo.SECURITY_TYPE_EAP;
+import static android.net.wifi.WifiInfo.SECURITY_TYPE_WEP;
+import static android.net.wifi.sharedconnectivity.app.DeviceInfo.DEVICE_TYPE_TABLET;
+import static android.net.wifi.sharedconnectivity.app.KnownNetwork.NETWORK_SOURCE_NEARBY_SELF;
+import static android.net.wifi.sharedconnectivity.app.TetherNetwork.NETWORK_TYPE_CELLULAR;
+
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertTrue;
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.ArgumentMatchers.anyInt;
+import static org.mockito.ArgumentMatchers.anyString;
+import static org.mockito.Mockito.doThrow;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
+
+import android.content.Context;
+import android.content.res.Resources;
+import android.net.wifi.sharedconnectivity.service.ISharedConnectivityService;
+import android.os.RemoteException;
+
+import androidx.test.filters.SmallTest;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+
+import java.util.concurrent.Executor;
+
+/**
+ * Unit tests for {@link SharedConnectivityManager}.
+ */
+@SmallTest
+public class SharedConnectivityManagerTest {
+    private static final long DEVICE_ID = 11L;
+    private static final DeviceInfo DEVICE_INFO = new DeviceInfo.Builder()
+            .setDeviceType(DEVICE_TYPE_TABLET).setDeviceName("TEST_NAME").setModelName("TEST_MODEL")
+            .setConnectionStrength(2).setBatteryPercentage(50).build();
+    private static final int NETWORK_TYPE = NETWORK_TYPE_CELLULAR;
+    private static final String NETWORK_NAME = "TEST_NETWORK";
+    private static final String HOTSPOT_SSID = "TEST_SSID";
+    private static final int[] HOTSPOT_SECURITY_TYPES = {SECURITY_TYPE_WEP, SECURITY_TYPE_EAP};
+
+    private static final int NETWORK_SOURCE = NETWORK_SOURCE_NEARBY_SELF;
+    private static final String SSID = "TEST_SSID";
+    private static final int[] SECURITY_TYPES = {SECURITY_TYPE_WEP};
+
+    private static final int SERVICE_PACKAGE_ID = 1;
+    private static final int SERVICE_CLASS_ID = 2;
+
+    private static final String SERVICE_PACKAGE_NAME = "TEST_PACKAGE";
+    private static final String SERVICE_CLASS_NAME = "TEST_CLASS";
+    private static final String PACKAGE_NAME = "TEST_PACKAGE";
+
+    @Mock Context mContext;
+    @Mock
+    ISharedConnectivityService mService;
+    @Mock Executor mExecutor;
+    @Mock
+    SharedConnectivityClientCallback mClientCallback;
+    @Mock Resources mResources;
+
+    @Before
+    public void setUp() {
+        MockitoAnnotations.initMocks(this);
+        setResources(mContext);
+    }
+
+    /**
+     * Verifies constructor is binding to service.
+     */
+    @Test
+    public void testBindingToService() {
+        new SharedConnectivityManager(mContext);
+        verify(mContext).bindService(any(), any(), anyInt());
+    }
+
+    /**
+     * Verifies callback is registered in the service only once and only when service is not null.
+     */
+    @Test
+    public void testRegisterCallback() throws Exception {
+        SharedConnectivityManager manager = new SharedConnectivityManager(mContext);
+        manager.setService(null);
+        assertFalse(manager.registerCallback(mExecutor, mClientCallback));
+
+        manager = new SharedConnectivityManager(mContext);
+        manager.setService(mService);
+        assertTrue(manager.registerCallback(mExecutor, mClientCallback));
+        verify(mService).registerCallback(any());
+
+        // Registering the same callback twice should fail.
+        manager = new SharedConnectivityManager(mContext);
+        manager.setService(mService);
+        manager.registerCallback(mExecutor, mClientCallback);
+        assertFalse(manager.registerCallback(mExecutor, mClientCallback));
+
+        manager = new SharedConnectivityManager(mContext);
+        manager.setService(mService);
+        doThrow(new RemoteException()).when(mService).registerCallback(any());
+        assertFalse(manager.registerCallback(mExecutor, mClientCallback));
+    }
+
+    /**
+     * Verifies callback is unregistered from the service if it was registered before and only when
+     * service is not null.
+     */
+    @Test
+    public void testUnregisterCallback() throws Exception {
+        SharedConnectivityManager manager = new SharedConnectivityManager(mContext);
+        manager.setService(null);
+        assertFalse(manager.unregisterCallback(mClientCallback));
+
+        manager = new SharedConnectivityManager(mContext);
+        manager.setService(mService);
+        manager.registerCallback(mExecutor, mClientCallback);
+        assertTrue(manager.unregisterCallback(mClientCallback));
+        verify(mService).unregisterCallback(any());
+
+
+        manager = new SharedConnectivityManager(mContext);
+        manager.setService(mService);
+        manager.registerCallback(mExecutor, mClientCallback);
+        manager.unregisterCallback(mClientCallback);
+        assertFalse(manager.unregisterCallback(mClientCallback));
+
+        manager = new SharedConnectivityManager(mContext);
+        manager.setService(mService);
+        doThrow(new RemoteException()).when(mService).unregisterCallback(any());
+        assertFalse(manager.unregisterCallback(mClientCallback));
+    }
+
+    /**
+     * Verifies service is called when not null and exceptions are handles when calling
+     * connectTetherNetwork.
+     */
+    @Test
+    public void testConnectTetherNetwork() throws RemoteException {
+        TetherNetwork network = buildTetherNetwork();
+
+        SharedConnectivityManager manager = new SharedConnectivityManager(mContext);
+        manager.setService(null);
+        assertFalse(manager.connectTetherNetwork(network));
+
+        manager = new SharedConnectivityManager(mContext);
+        manager.setService(mService);
+        manager.connectTetherNetwork(network);
+        verify(mService).connectTetherNetwork(network);
+
+        doThrow(new RemoteException()).when(mService).connectTetherNetwork(network);
+        assertFalse(manager.connectTetherNetwork(network));
+    }
+
+    /**
+     * Verifies service is called when not null and exceptions are handles when calling
+     * disconnectTetherNetwork.
+     */
+    @Test
+    public void testDisconnectTetherNetwork() throws RemoteException {
+        SharedConnectivityManager manager = new SharedConnectivityManager(mContext);
+        manager.setService(null);
+        assertFalse(manager.disconnectTetherNetwork());
+
+        manager = new SharedConnectivityManager(mContext);
+        manager.setService(mService);
+        manager.disconnectTetherNetwork();
+        verify(mService).disconnectTetherNetwork();
+
+        doThrow(new RemoteException()).when(mService).disconnectTetherNetwork();
+        assertFalse(manager.disconnectTetherNetwork());
+    }
+
+    /**
+     * Verifies service is called when not null and exceptions are handles when calling
+     * connectKnownNetwork.
+     */
+    @Test
+    public void testConnectKnownNetwork() throws RemoteException {
+        KnownNetwork network = buildKnownNetwork();
+
+        SharedConnectivityManager manager = new SharedConnectivityManager(mContext);
+        manager.setService(null);
+        assertFalse(manager.connectKnownNetwork(network));
+
+        manager = new SharedConnectivityManager(mContext);
+        manager.setService(mService);
+        manager.connectKnownNetwork(network);
+        verify(mService).connectKnownNetwork(network);
+
+        doThrow(new RemoteException()).when(mService).connectKnownNetwork(network);
+        assertFalse(manager.connectKnownNetwork(network));
+    }
+
+    /**
+     * Verifies service is called when not null and exceptions are handles when calling
+     * forgetKnownNetwork.
+     */
+    @Test
+    public void testForgetKnownNetwork() throws RemoteException {
+        KnownNetwork network = buildKnownNetwork();
+
+        SharedConnectivityManager manager = new SharedConnectivityManager(mContext);
+        manager.setService(null);
+        assertFalse(manager.forgetKnownNetwork(network));
+
+        manager = new SharedConnectivityManager(mContext);
+        manager.setService(mService);
+        manager.forgetKnownNetwork(network);
+        verify(mService).forgetKnownNetwork(network);
+
+        doThrow(new RemoteException()).when(mService).forgetKnownNetwork(network);
+        assertFalse(manager.forgetKnownNetwork(network));
+    }
+
+    private void setResources(@Mock Context context) {
+        when(context.getResources()).thenReturn(mResources);
+        when(context.getPackageName()).thenReturn(PACKAGE_NAME);
+        when(mResources.getIdentifier(anyString(), anyString(), anyString()))
+                .thenReturn(SERVICE_PACKAGE_ID, SERVICE_CLASS_ID);
+        when(mResources.getString(SERVICE_PACKAGE_ID)).thenReturn(SERVICE_PACKAGE_NAME);
+        when(mResources.getString(SERVICE_CLASS_ID)).thenReturn(SERVICE_CLASS_NAME);
+    }
+
+    private TetherNetwork buildTetherNetwork() {
+        return new TetherNetwork.Builder()
+                .setDeviceId(DEVICE_ID)
+                .setDeviceInfo(DEVICE_INFO)
+                .setNetworkType(NETWORK_TYPE)
+                .setNetworkName(NETWORK_NAME)
+                .setHotspotSsid(HOTSPOT_SSID)
+                .setHotspotSecurityTypes(HOTSPOT_SECURITY_TYPES)
+                .build();
+    }
+
+    private KnownNetwork buildKnownNetwork() {
+        return new KnownNetwork.Builder().setNetworkSource(NETWORK_SOURCE).setSsid(SSID)
+                .setSecurityTypes(SECURITY_TYPES).build();
+    }
+}
diff --git a/wifi/tests/src/android/net/wifi/sharedconnectivity/app/SharedConnectivitySettingsStateTest.java b/wifi/tests/src/android/net/wifi/sharedconnectivity/app/SharedConnectivitySettingsStateTest.java
new file mode 100644
index 0000000..3137c72
--- /dev/null
+++ b/wifi/tests/src/android/net/wifi/sharedconnectivity/app/SharedConnectivitySettingsStateTest.java
@@ -0,0 +1,85 @@
+/*
+ * 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.net.wifi.sharedconnectivity.app;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNotEquals;
+
+import android.os.Parcel;
+
+import androidx.test.filters.SmallTest;
+
+import org.junit.Test;
+
+/**
+ * Unit tests for {@link android.net.wifi.sharedconnectivity.app.SharedConnectivitySettingsState}.
+ */
+@SmallTest
+public class SharedConnectivitySettingsStateTest {
+    private static final boolean INSTANT_TETHER_STATE = true;
+
+    private static final boolean INSTANT_TETHER_STATE_1 = false;
+    /**
+     * Verifies parcel serialization/deserialization.
+     */
+    @Test
+    public void testParcelOperation() {
+        SharedConnectivitySettingsState state = buildSettingsStateBuilder().build();
+
+        Parcel parcelW = Parcel.obtain();
+        state.writeToParcel(parcelW, 0);
+        byte[] bytes = parcelW.marshall();
+        parcelW.recycle();
+
+        Parcel parcelR = Parcel.obtain();
+        parcelR.unmarshall(bytes, 0, bytes.length);
+        parcelR.setDataPosition(0);
+        SharedConnectivitySettingsState fromParcel =
+                SharedConnectivitySettingsState.CREATOR.createFromParcel(parcelR);
+
+        assertEquals(state, fromParcel);
+        assertEquals(state.hashCode(), fromParcel.hashCode());
+    }
+
+    /**
+     * Verifies the Equals operation
+     */
+    @Test
+    public void testEqualsOperation() {
+        SharedConnectivitySettingsState state1 = buildSettingsStateBuilder().build();
+        SharedConnectivitySettingsState state2 = buildSettingsStateBuilder().build();
+        assertEquals(state1, state2);
+
+        SharedConnectivitySettingsState.Builder builder = buildSettingsStateBuilder()
+                .setInstantTetherEnabled(INSTANT_TETHER_STATE_1);
+        assertNotEquals(state1, builder.build());
+    }
+
+    /**
+     * Verifies the get methods return the expected data.
+     */
+    @Test
+    public void testGetMethods() {
+        SharedConnectivitySettingsState state = buildSettingsStateBuilder().build();
+        assertEquals(state.isInstantTetherEnabled(), INSTANT_TETHER_STATE);
+    }
+
+    private SharedConnectivitySettingsState.Builder buildSettingsStateBuilder() {
+        return new SharedConnectivitySettingsState.Builder()
+                .setInstantTetherEnabled(INSTANT_TETHER_STATE);
+    }
+}
diff --git a/wifi/tests/src/android/net/wifi/sharedconnectivity/app/TetherNetworkTest.java b/wifi/tests/src/android/net/wifi/sharedconnectivity/app/TetherNetworkTest.java
new file mode 100644
index 0000000..b01aec4
--- /dev/null
+++ b/wifi/tests/src/android/net/wifi/sharedconnectivity/app/TetherNetworkTest.java
@@ -0,0 +1,139 @@
+/*
+ * 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.net.wifi.sharedconnectivity.app;
+
+import static android.net.wifi.WifiInfo.SECURITY_TYPE_EAP;
+import static android.net.wifi.WifiInfo.SECURITY_TYPE_PSK;
+import static android.net.wifi.WifiInfo.SECURITY_TYPE_WEP;
+import static android.net.wifi.sharedconnectivity.app.DeviceInfo.DEVICE_TYPE_PHONE;
+import static android.net.wifi.sharedconnectivity.app.DeviceInfo.DEVICE_TYPE_TABLET;
+import static android.net.wifi.sharedconnectivity.app.TetherNetwork.NETWORK_TYPE_CELLULAR;
+import static android.net.wifi.sharedconnectivity.app.TetherNetwork.NETWORK_TYPE_WIFI;
+
+import static org.junit.Assert.assertArrayEquals;
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNotEquals;
+
+import android.os.Parcel;
+
+import androidx.test.filters.SmallTest;
+
+import org.junit.Test;
+
+/**
+ * Unit tests for {@link android.net.wifi.sharedconnectivity.app.TetherNetwork}.
+ */
+@SmallTest
+public class TetherNetworkTest {
+    private static final long DEVICE_ID = 11L;
+    private static final DeviceInfo DEVICE_INFO = new DeviceInfo.Builder()
+            .setDeviceType(DEVICE_TYPE_TABLET).setDeviceName("TEST_NAME").setModelName("TEST_MODEL")
+            .setConnectionStrength(2).setBatteryPercentage(50).build();
+    private static final int NETWORK_TYPE = NETWORK_TYPE_CELLULAR;
+    private static final String NETWORK_NAME = "TEST_NETWORK";
+    private static final String HOTSPOT_SSID = "TEST_SSID";
+    private static final String HOTSPOT_BSSID = "TEST _BSSID";
+    private static final int[] HOTSPOT_SECURITY_TYPES = {SECURITY_TYPE_WEP, SECURITY_TYPE_EAP};
+
+    private static final long DEVICE_ID_1 = 111L;
+    private static final DeviceInfo DEVICE_INFO_1 = new DeviceInfo.Builder()
+            .setDeviceType(DEVICE_TYPE_PHONE).setDeviceName("TEST_NAME").setModelName("TEST_MODEL")
+            .setConnectionStrength(2).setBatteryPercentage(50).build();
+    private static final int NETWORK_TYPE_1 = NETWORK_TYPE_WIFI;
+    private static final String NETWORK_NAME_1 = "TEST_NETWORK1";
+    private static final String HOTSPOT_SSID_1 = "TEST_SSID1";
+    private static final String HOTSPOT_BSSID_1 = "TEST _BSSID1";
+    private static final int[] HOTSPOT_SECURITY_TYPES_1 = {SECURITY_TYPE_PSK, SECURITY_TYPE_EAP};
+
+    /**
+     * Verifies parcel serialization/deserialization.
+     */
+    @Test
+    public void testParcelOperation() {
+        TetherNetwork network = buildTetherNetworkBuilder().build();
+
+        Parcel parcelW = Parcel.obtain();
+        network.writeToParcel(parcelW, 0);
+        byte[] bytes = parcelW.marshall();
+        parcelW.recycle();
+
+        Parcel parcelR = Parcel.obtain();
+        parcelR.unmarshall(bytes, 0, bytes.length);
+        parcelR.setDataPosition(0);
+        TetherNetwork fromParcel = TetherNetwork.CREATOR.createFromParcel(parcelR);
+
+        assertEquals(network, fromParcel);
+        assertEquals(network.hashCode(), fromParcel.hashCode());
+    }
+
+    /**
+     * Verifies the Equals operation
+     */
+    @Test
+    public void testEqualsOperation() {
+        TetherNetwork network1 = buildTetherNetworkBuilder().build();
+        TetherNetwork network2 = buildTetherNetworkBuilder().build();
+        assertEquals(network1, network2);
+
+        TetherNetwork.Builder builder = buildTetherNetworkBuilder().setDeviceId(DEVICE_ID_1);
+        assertNotEquals(network1, builder.build());
+
+        builder = buildTetherNetworkBuilder().setDeviceInfo(DEVICE_INFO_1);
+        assertNotEquals(network1, builder.build());
+
+        builder = buildTetherNetworkBuilder().setNetworkType(NETWORK_TYPE_1);
+        assertNotEquals(network1, builder.build());
+
+        builder = buildTetherNetworkBuilder().setNetworkName(NETWORK_NAME_1);
+        assertNotEquals(network1, builder.build());
+
+        builder = buildTetherNetworkBuilder().setHotspotSsid(HOTSPOT_SSID_1);
+        assertNotEquals(network1, builder.build());
+
+        builder = buildTetherNetworkBuilder().setHotspotBssid(HOTSPOT_BSSID_1);
+        assertNotEquals(network1, builder.build());
+
+        builder = buildTetherNetworkBuilder().setHotspotSecurityTypes(HOTSPOT_SECURITY_TYPES_1);
+        assertNotEquals(network1, builder.build());
+    }
+
+    /**
+     * Verifies the get methods return the expected data.
+     */
+    @Test
+    public void testGetMethods() {
+        TetherNetwork network = buildTetherNetworkBuilder().build();
+        assertEquals(network.getDeviceId(), DEVICE_ID);
+        assertEquals(network.getDeviceInfo(), DEVICE_INFO);
+        assertEquals(network.getNetworkType(), NETWORK_TYPE);
+        assertEquals(network.getNetworkName(), NETWORK_NAME);
+        assertEquals(network.getHotspotSsid(), HOTSPOT_SSID);
+        assertEquals(network.getHotspotBssid(), HOTSPOT_BSSID);
+        assertArrayEquals(network.getHotspotSecurityTypes(), HOTSPOT_SECURITY_TYPES);
+    }
+
+    private TetherNetwork.Builder buildTetherNetworkBuilder() {
+        return new TetherNetwork.Builder()
+                .setDeviceId(DEVICE_ID)
+                .setDeviceInfo(DEVICE_INFO)
+                .setNetworkType(NETWORK_TYPE)
+                .setNetworkName(NETWORK_NAME)
+                .setHotspotSsid(HOTSPOT_SSID)
+                .setHotspotBssid(HOTSPOT_BSSID)
+                .setHotspotSecurityTypes(HOTSPOT_SECURITY_TYPES);
+    }
+}
diff --git a/wifi/tests/src/android/net/wifi/sharedconnectivity/service/SharedConnectivityServiceTest.java b/wifi/tests/src/android/net/wifi/sharedconnectivity/service/SharedConnectivityServiceTest.java
new file mode 100644
index 0000000..e15be8b
--- /dev/null
+++ b/wifi/tests/src/android/net/wifi/sharedconnectivity/service/SharedConnectivityServiceTest.java
@@ -0,0 +1,68 @@
+/*
+ * 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.net.wifi.sharedconnectivity.service;
+
+import static org.junit.Assert.assertNotNull;
+
+import android.content.Intent;
+import android.net.wifi.sharedconnectivity.app.KnownNetwork;
+import android.net.wifi.sharedconnectivity.app.TetherNetwork;
+import android.os.Handler;
+import android.os.test.TestLooper;
+
+import androidx.test.filters.SmallTest;
+
+import org.junit.Test;
+
+/**
+ * Unit tests for {@link android.net.wifi.sharedconnectivity.service.SharedConnectivityService}.
+ */
+@SmallTest
+public class SharedConnectivityServiceTest {
+
+    /**
+     * Verifies service returns
+     */
+    @Test
+    public void testOnBind() {
+        SharedConnectivityService service = createService();
+        assertNotNull(service.onBind(new Intent()));
+    }
+
+    @Test
+    public void testCallbacks() {
+        SharedConnectivityService service = createService();
+        ISharedConnectivityService.Stub binder =
+                (ISharedConnectivityService.Stub) service.onBind(new Intent());
+    }
+
+    private SharedConnectivityService createService() {
+        return new SharedConnectivityService(new Handler(new TestLooper().getLooper())) {
+            @Override
+            public void onConnectTetherNetwork(TetherNetwork network) {}
+
+            @Override
+            public void onDisconnectTetherNetwork() {}
+
+            @Override
+            public void onConnectKnownNetwork(KnownNetwork network) {}
+
+            @Override
+            public void onForgetKnownNetwork(KnownNetwork network) {}
+        };
+    }
+}