Merge "Make tabs respect the device default style." into rvc-dev
diff --git a/apex/media/framework/java/android/media/MediaParser.java b/apex/media/framework/java/android/media/MediaParser.java
index 29c48ad..0d9cbf0 100644
--- a/apex/media/framework/java/android/media/MediaParser.java
+++ b/apex/media/framework/java/android/media/MediaParser.java
@@ -25,6 +25,7 @@
 
 import com.google.android.exoplayer2.C;
 import com.google.android.exoplayer2.Format;
+import com.google.android.exoplayer2.ParserException;
 import com.google.android.exoplayer2.extractor.DefaultExtractorInput;
 import com.google.android.exoplayer2.extractor.Extractor;
 import com.google.android.exoplayer2.extractor.ExtractorInput;
@@ -431,6 +432,14 @@
         }
     }
 
+    /** Thrown when an error occurs while parsing a media stream. */
+    public static final class ParsingException extends IOException {
+
+        private ParsingException(ParserException cause) {
+            super(cause);
+        }
+    }
+
     // Public constants.
 
     /**
@@ -768,6 +777,8 @@
         int result = 0;
         try {
             result = mExtractor.read(mExtractorInput, mPositionHolder);
+        } catch (ParserException e) {
+            throw new ParsingException(e);
         } catch (InterruptedException e) {
             // TODO: Remove this exception replacement once we update the ExoPlayer version.
             throw new InterruptedIOException();
diff --git a/api/current.txt b/api/current.txt
index 5e8158b..826bbbc 100644
--- a/api/current.txt
+++ b/api/current.txt
@@ -11721,6 +11721,7 @@
     ctor public LauncherApps.ShortcutQuery();
     method public android.content.pm.LauncherApps.ShortcutQuery setActivity(@Nullable android.content.ComponentName);
     method public android.content.pm.LauncherApps.ShortcutQuery setChangedSince(long);
+    method @NonNull public android.content.pm.LauncherApps.ShortcutQuery setLocusIds(@Nullable java.util.List<android.content.LocusId>);
     method public android.content.pm.LauncherApps.ShortcutQuery setPackage(@Nullable String);
     method public android.content.pm.LauncherApps.ShortcutQuery setQueryFlags(int);
     method public android.content.pm.LauncherApps.ShortcutQuery setShortcutIds(@Nullable java.util.List<java.lang.String>);
@@ -26461,6 +26462,9 @@
     method public void onTrackDataFound(int, @NonNull android.media.MediaParser.TrackData);
   }
 
+  public static final class MediaParser.ParsingException extends java.io.IOException {
+  }
+
   public static final class MediaParser.SeekMap {
     method public long getDurationMicros();
     method @NonNull public android.util.Pair<android.media.MediaParser.SeekPoint,android.media.MediaParser.SeekPoint> getSeekPoints(long);
@@ -29818,7 +29822,7 @@
 
   public abstract static class ConnectivityDiagnosticsManager.ConnectivityDiagnosticsCallback {
     ctor public ConnectivityDiagnosticsManager.ConnectivityDiagnosticsCallback();
-    method public void onConnectivityReport(@NonNull android.net.ConnectivityDiagnosticsManager.ConnectivityReport);
+    method public void onConnectivityReportAvailable(@NonNull android.net.ConnectivityDiagnosticsManager.ConnectivityReport);
     method public void onDataStallSuspected(@NonNull android.net.ConnectivityDiagnosticsManager.DataStallReport);
     method public void onNetworkConnectivityReported(@NonNull android.net.Network, boolean);
   }
diff --git a/api/system-current.txt b/api/system-current.txt
index ab3bcc1..61daa6f 100755
--- a/api/system-current.txt
+++ b/api/system-current.txt
@@ -2102,10 +2102,6 @@
     field @NonNull public static final android.os.Parcelable.Creator<android.content.pm.LauncherApps.AppUsageLimit> CREATOR;
   }
 
-  public static class LauncherApps.ShortcutQuery {
-    method @NonNull public android.content.pm.LauncherApps.ShortcutQuery setLocusIds(@Nullable java.util.List<android.content.LocusId>);
-  }
-
   public class PackageInstaller {
     method @RequiresPermission(android.Manifest.permission.INSTALL_PACKAGES) public void setPermissionsResult(int, boolean);
     field public static final int DATA_LOADER_TYPE_INCREMENTAL = 2; // 0x2
diff --git a/core/java/android/content/pm/LauncherApps.java b/core/java/android/content/pm/LauncherApps.java
index 4e4897f..22516f0 100644
--- a/core/java/android/content/pm/LauncherApps.java
+++ b/core/java/android/content/pm/LauncherApps.java
@@ -460,10 +460,7 @@
         /**
          * If non-null, return only the specified shortcuts by locus ID.  When setting this field,
          * a package name must also be set with {@link #setPackage}.
-         *
-         * @hide
          */
-        @SystemApi
         @NonNull
         public ShortcutQuery setLocusIds(@Nullable List<LocusId> locusIds) {
             mLocusIds = locusIds;
diff --git a/core/java/android/hardware/SensorEvent.java b/core/java/android/hardware/SensorEvent.java
index 5fbf0da..9906331 100644
--- a/core/java/android/hardware/SensorEvent.java
+++ b/core/java/android/hardware/SensorEvent.java
@@ -657,7 +657,9 @@
     public int accuracy;
 
     /**
-     * The time in nanosecond at which the event happened
+     * The time in nanoseconds at which the event happened. For a given sensor,
+     * each new sensor event should be monotonically increasing using the same
+     * time base as {@link android.os.SystemClock#elapsedRealtimeNanos()}.
      */
     public long timestamp;
 
diff --git a/core/java/android/inputmethodservice/InputMethodService.java b/core/java/android/inputmethodservice/InputMethodService.java
index 1b6c1ee..7e4d68d 100644
--- a/core/java/android/inputmethodservice/InputMethodService.java
+++ b/core/java/android/inputmethodservice/InputMethodService.java
@@ -20,6 +20,7 @@
 import static android.view.ViewGroup.LayoutParams.WRAP_CONTENT;
 import static android.view.ViewRootImpl.NEW_INSETS_MODE_NONE;
 import static android.view.WindowInsets.Type.navigationBars;
+import static android.view.WindowInsets.Type.statusBars;
 import static android.view.WindowManager.LayoutParams.FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS;
 
 import static java.lang.annotation.RetentionPolicy.SOURCE;
@@ -71,6 +72,7 @@
 import android.view.ViewTreeObserver;
 import android.view.Window;
 import android.view.WindowInsets;
+import android.view.WindowInsets.Side;
 import android.view.WindowManager;
 import android.view.animation.AnimationUtils;
 import android.view.autofill.AutofillId;
@@ -1246,7 +1248,8 @@
                 Context.LAYOUT_INFLATER_SERVICE);
         mWindow = new SoftInputWindow(this, "InputMethod", mTheme, null, null, mDispatcherState,
                 WindowManager.LayoutParams.TYPE_INPUT_METHOD, Gravity.BOTTOM, false);
-        mWindow.getWindow().getAttributes().setFitInsetsTypes(WindowInsets.Type.statusBars());
+        mWindow.getWindow().getAttributes().setFitInsetsTypes(statusBars() | navigationBars());
+        mWindow.getWindow().getAttributes().setFitInsetsSides(Side.all() & ~Side.BOTTOM);
 
         // IME layout should always be inset by navigation bar, no matter its current visibility,
         // unless automotive requests it, since automotive may hide the navigation bar.
diff --git a/core/java/android/net/ConnectivityDiagnosticsManager.java b/core/java/android/net/ConnectivityDiagnosticsManager.java
index 1710ccb..6f0a4f9 100644
--- a/core/java/android/net/ConnectivityDiagnosticsManager.java
+++ b/core/java/android/net/ConnectivityDiagnosticsManager.java
@@ -136,7 +136,7 @@
          * {@link #NETWORK_VALIDATION_RESULT_PARTIALLY_VALID},
          * {@link #NETWORK_VALIDATION_RESULT_SKIPPED}.
          *
-         * @see android.net.NetworkCapabilities#CAPABILITY_VALIDATED
+         * @see android.net.NetworkCapabilities#NET_CAPABILITY_VALIDATED
          */
         @NetworkValidationResult
         public static final String KEY_NETWORK_VALIDATION_RESULT = "networkValidationResult";
@@ -233,8 +233,8 @@
          * Constructor for ConnectivityReport.
          *
          * <p>Apps should obtain instances through {@link
-         * ConnectivityDiagnosticsCallback#onConnectivityReport} instead of instantiating their own
-         * instances (unless for testing purposes).
+         * ConnectivityDiagnosticsCallback#onConnectivityReportAvailable} instead of instantiating
+         * their own instances (unless for testing purposes).
          *
          * @param network The Network for which this ConnectivityReport applies
          * @param reportTimestamp The timestamp for the report
@@ -622,10 +622,10 @@
 
         /** @hide */
         @VisibleForTesting
-        public void onConnectivityReport(@NonNull ConnectivityReport report) {
+        public void onConnectivityReportAvailable(@NonNull ConnectivityReport report) {
             Binder.withCleanCallingIdentity(() -> {
                 mExecutor.execute(() -> {
-                    mCb.onConnectivityReport(report);
+                    mCb.onConnectivityReportAvailable(report);
                 });
             });
         }
@@ -666,7 +666,7 @@
          *
          * @param report The ConnectivityReport containing information about a connectivity check
          */
-        public void onConnectivityReport(@NonNull ConnectivityReport report) {}
+        public void onConnectivityReportAvailable(@NonNull ConnectivityReport report) {}
 
         /**
          * Called when the platform suspects a data stall on some Network.
diff --git a/core/java/android/net/IConnectivityDiagnosticsCallback.aidl b/core/java/android/net/IConnectivityDiagnosticsCallback.aidl
index 3a161bf..82b64a9 100644
--- a/core/java/android/net/IConnectivityDiagnosticsCallback.aidl
+++ b/core/java/android/net/IConnectivityDiagnosticsCallback.aidl
@@ -22,7 +22,7 @@
 
 /** @hide */
 oneway interface IConnectivityDiagnosticsCallback {
-    void onConnectivityReport(in ConnectivityDiagnosticsManager.ConnectivityReport report);
+    void onConnectivityReportAvailable(in ConnectivityDiagnosticsManager.ConnectivityReport report);
     void onDataStallSuspected(in ConnectivityDiagnosticsManager.DataStallReport report);
     void onNetworkConnectivityReported(in Network n, boolean hasConnectivity);
 }
\ No newline at end of file
diff --git a/core/java/android/net/ITestNetworkManager.aidl b/core/java/android/net/ITestNetworkManager.aidl
index d586038..2a863ad 100644
--- a/core/java/android/net/ITestNetworkManager.aidl
+++ b/core/java/android/net/ITestNetworkManager.aidl
@@ -33,7 +33,7 @@
     TestNetworkInterface createTapInterface();
 
     void setupTestNetwork(in String iface, in LinkProperties lp, in boolean isMetered,
-            in IBinder binder);
+            in int[] administratorUids, in IBinder binder);
 
     void teardownTestNetwork(int netId);
 }
diff --git a/core/java/android/net/TestNetworkManager.java b/core/java/android/net/TestNetworkManager.java
index 4ac4a69..c3284df 100644
--- a/core/java/android/net/TestNetworkManager.java
+++ b/core/java/android/net/TestNetworkManager.java
@@ -16,6 +16,7 @@
 package android.net;
 
 import android.annotation.NonNull;
+import android.annotation.Nullable;
 import android.annotation.TestApi;
 import android.os.IBinder;
 import android.os.RemoteException;
@@ -53,6 +54,19 @@
         }
     }
 
+    private void setupTestNetwork(
+            @NonNull String iface,
+            @Nullable LinkProperties lp,
+            boolean isMetered,
+            @NonNull int[] administratorUids,
+            @NonNull IBinder binder) {
+        try {
+            mService.setupTestNetwork(iface, lp, isMetered, administratorUids, binder);
+        } catch (RemoteException e) {
+            throw e.rethrowFromSystemServer();
+        }
+    }
+
     /**
      * Sets up a capability-limited, testing-only network for a given interface
      *
@@ -66,11 +80,7 @@
     public void setupTestNetwork(
             @NonNull LinkProperties lp, boolean isMetered, @NonNull IBinder binder) {
         Preconditions.checkNotNull(lp, "Invalid LinkProperties");
-        try {
-            mService.setupTestNetwork(lp.getInterfaceName(), lp, isMetered, binder);
-        } catch (RemoteException e) {
-            throw e.rethrowFromSystemServer();
-        }
+        setupTestNetwork(lp.getInterfaceName(), lp, isMetered, new int[0], binder);
     }
 
     /**
@@ -82,11 +92,21 @@
      */
     @TestApi
     public void setupTestNetwork(@NonNull String iface, @NonNull IBinder binder) {
-        try {
-            mService.setupTestNetwork(iface, null, true, binder);
-        } catch (RemoteException e) {
-            throw e.rethrowFromSystemServer();
-        }
+        setupTestNetwork(iface, null, true, new int[0], binder);
+    }
+
+    /**
+     * Sets up a capability-limited, testing-only network for a given interface with the given
+     * administrator UIDs.
+     *
+     * @param iface the name of the interface to be used for the Network LinkProperties.
+     * @param administratorUids The administrator UIDs to be used for the test-only network
+     * @param binder A binder object guarding the lifecycle of this test network.
+     * @hide
+     */
+    public void setupTestNetwork(
+            @NonNull String iface, @NonNull int[] administratorUids, @NonNull IBinder binder) {
+        setupTestNetwork(iface, null, true, administratorUids, binder);
     }
 
     /**
diff --git a/core/java/android/os/Environment.java b/core/java/android/os/Environment.java
index 09ccb72..ae65f1d 100644
--- a/core/java/android/os/Environment.java
+++ b/core/java/android/os/Environment.java
@@ -24,6 +24,8 @@
 import android.app.AppOpsManager;
 import android.app.admin.DevicePolicyManager;
 import android.compat.Compatibility;
+import android.compat.annotation.ChangeId;
+import android.compat.annotation.Disabled;
 import android.compat.annotation.UnsupportedAppUsage;
 import android.content.Context;
 import android.content.Intent;
@@ -90,13 +92,43 @@
             "/apex");
 
     /**
-     * See definition in com.android.providers.media.LocalCallingIdentity
+     * Scoped Storage is on by default. However, it is not strictly enforced and there are multiple
+     * ways to opt out of scoped storage:
+     * <ul>
+     * <li>Target Sdk < Q</li>
+     * <li>Target Sdk = Q and has `requestLegacyExternalStorage` set in AndroidManifest.xml</li>
+     * <li>Target Sdk > Q: Upgrading from an app that was opted out of scoped storage and has
+     * `preserveLegacyExternalStorage` set in AndroidManifest.xml</li>
+     * </ul>
+     * This flag is enabled for all apps by default as Scoped Storage is enabled by default.
+     * Developers can disable this flag to opt out of Scoped Storage and have legacy storage
+     * workflow.
+     *
+     * Note: {@code FORCE_ENABLE_SCOPED_STORAGE} should also be disabled for apps to opt out of
+     * scoped storage.
+     * Note: This flag is also used in {@code com.android.providers.media.LocalCallingIdentity}.
+     * Any modifications to this flag should be reflected there as well.
+     * See https://developer.android.com/training/data-storage#scoped-storage for more information.
      */
+    @ChangeId
     private static final long DEFAULT_SCOPED_STORAGE = 149924527L;
 
     /**
-     * See definition in com.android.providers.media.LocalCallingIdentity
+     * Setting this flag strictly enforces Scoped Storage regardless of:
+     * <ul>
+     * <li>The value of Target Sdk</li>
+     * <li>The value of `requestLegacyExternalStorage` in AndroidManifest.xml</li>
+     * <li>The value of `preserveLegacyExternalStorage` in AndroidManifest.xml</li>
+     * </ul>
+     *
+     * Note: {@code DEFAULT_SCOPED_STORAGE} should also be enabled for apps to be enforced into
+     * scoped storage.
+     * Note: This flag is also used in {@code com.android.providers.media.LocalCallingIdentity}.
+     * Any modifications to this flag should be reflected there as well.
+     * See https://developer.android.com/training/data-storage#scoped-storage for more information.
      */
+    @ChangeId
+    @Disabled
     private static final long FORCE_ENABLE_SCOPED_STORAGE = 132649864L;
 
     @UnsupportedAppUsage
diff --git a/core/java/android/os/Process.java b/core/java/android/os/Process.java
index a557bd9..b7b3c4f 100644
--- a/core/java/android/os/Process.java
+++ b/core/java/android/os/Process.java
@@ -931,6 +931,19 @@
     public static final native void setProcessFrozen(int pid, int uid, boolean frozen);
 
     /**
+     * Enable or disable the freezer. When enable == false all frozen processes are unfrozen,
+     * but aren't removed from the freezer. Processes can still be added or removed
+     * by using setProcessFrozen, but they won't actually be frozen until the freezer is enabled
+     * again. If enable == true the freezer is enabled again, and all processes
+     * in the freezer (including the ones added while the freezer was disabled) are frozen.
+     *
+     * @param enable Specify whether to enable (true) or disable (false) the freezer.
+     *
+     * @hide
+     */
+    public static final native void enableFreezer(boolean enable);
+
+    /**
      * Return the scheduling group of requested process.
      *
      * @hide
diff --git a/core/java/android/view/WindowContainerTransaction.java b/core/java/android/view/WindowContainerTransaction.java
index 9c16e13..56b4951 100644
--- a/core/java/android/view/WindowContainerTransaction.java
+++ b/core/java/android/view/WindowContainerTransaction.java
@@ -168,6 +168,18 @@
     }
 
     /**
+     * Sets whether a container or its children should be hidden. When {@code false}, the existing
+     * visibility of the container applies, but when {@code true} the container will be forced
+     * to be hidden.
+     */
+    public WindowContainerTransaction setHidden(IWindowContainer container, boolean hidden) {
+        Change chg = getOrCreateChange(container.asBinder());
+        chg.mHidden = hidden;
+        chg.mChangeMask |= Change.CHANGE_HIDDEN;
+        return this;
+    }
+
+    /**
      * Set the smallestScreenWidth of a container.
      */
     public WindowContainerTransaction setSmallestScreenWidthDp(IWindowContainer container,
@@ -250,9 +262,11 @@
         public static final int CHANGE_FOCUSABLE = 1;
         public static final int CHANGE_BOUNDS_TRANSACTION = 1 << 1;
         public static final int CHANGE_PIP_CALLBACK = 1 << 2;
+        public static final int CHANGE_HIDDEN = 1 << 3;
 
         private final Configuration mConfiguration = new Configuration();
         private boolean mFocusable = true;
+        private boolean mHidden = false;
         private int mChangeMask = 0;
         private @ActivityInfo.Config int mConfigSetMask = 0;
         private @WindowConfiguration.WindowConfig int mWindowSetMask = 0;
@@ -268,6 +282,7 @@
         protected Change(Parcel in) {
             mConfiguration.readFromParcel(in);
             mFocusable = in.readBoolean();
+            mHidden = in.readBoolean();
             mChangeMask = in.readInt();
             mConfigSetMask = in.readInt();
             mWindowSetMask = in.readInt();
@@ -296,7 +311,7 @@
             return mConfiguration;
         }
 
-        /** Gets the requested focusable value */
+        /** Gets the requested focusable state */
         public boolean getFocusable() {
             if ((mChangeMask & CHANGE_FOCUSABLE) == 0) {
                 throw new RuntimeException("Focusable not set. check CHANGE_FOCUSABLE first");
@@ -304,6 +319,14 @@
             return mFocusable;
         }
 
+        /** Gets the requested hidden state */
+        public boolean getHidden() {
+            if ((mChangeMask & CHANGE_HIDDEN) == 0) {
+                throw new RuntimeException("Hidden not set. check CHANGE_HIDDEN first");
+            }
+            return mHidden;
+        }
+
         public int getChangeMask() {
             return mChangeMask;
         }
@@ -369,6 +392,7 @@
         public void writeToParcel(Parcel dest, int flags) {
             mConfiguration.writeToParcel(dest, flags);
             dest.writeBoolean(mFocusable);
+            dest.writeBoolean(mHidden);
             dest.writeInt(mChangeMask);
             dest.writeInt(mConfigSetMask);
             dest.writeInt(mWindowSetMask);
diff --git a/core/java/com/android/internal/app/IntentForwarderActivity.java b/core/java/com/android/internal/app/IntentForwarderActivity.java
index 7a0afa2..9bdfa4a 100644
--- a/core/java/com/android/internal/app/IntentForwarderActivity.java
+++ b/core/java/com/android/internal/app/IntentForwarderActivity.java
@@ -38,6 +38,7 @@
 import android.os.RemoteException;
 import android.os.UserHandle;
 import android.os.UserManager;
+import android.provider.Settings;
 import android.util.Slog;
 import android.widget.Toast;
 
@@ -153,6 +154,9 @@
     }
 
     private boolean shouldShowDisclosure(@Nullable ResolveInfo ri, Intent intent) {
+        if (!isDeviceProvisioned()) {
+            return false;
+        }
         if (ri == null || ri.activityInfo == null) {
             return true;
         }
@@ -163,6 +167,11 @@
         return !isTargetResolverOrChooserActivity(ri.activityInfo);
     }
 
+    private boolean isDeviceProvisioned() {
+        return Settings.Global.getInt(getContentResolver(),
+                Settings.Global.DEVICE_PROVISIONED, /* def= */ 0) != 0;
+    }
+
     private boolean isTextMessageIntent(Intent intent) {
         return (Intent.ACTION_SENDTO.equals(intent.getAction()) || isViewActionIntent(intent))
                 && ALLOWED_TEXT_MESSAGE_SCHEMES.contains(intent.getScheme());
diff --git a/core/jni/android_util_Process.cpp b/core/jni/android_util_Process.cpp
index 0eb364d..b32b4ae 100644
--- a/core/jni/android_util_Process.cpp
+++ b/core/jni/android_util_Process.cpp
@@ -346,6 +346,22 @@
     }
 }
 
+void android_os_Process_enableFreezer(
+        JNIEnv *env, jobject clazz, jboolean enable)
+{
+    bool success = true;
+
+    if (enable) {
+        success = SetTaskProfiles(0, {"FreezerFrozen"}, true);
+    } else {
+        success = SetTaskProfiles(0, {"FreezerThawed"}, true);
+    }
+
+    if (!success) {
+        jniThrowException(env, "java/lang/RuntimeException", "Unknown error");
+    }
+}
+
 jint android_os_Process_getProcessGroup(JNIEnv* env, jobject clazz, jint pid)
 {
     SchedPolicy sp;
@@ -1344,6 +1360,7 @@
         {"sendSignal", "(II)V", (void*)android_os_Process_sendSignal},
         {"sendSignalQuiet", "(II)V", (void*)android_os_Process_sendSignalQuiet},
         {"setProcessFrozen", "(IIZ)V", (void*)android_os_Process_setProcessFrozen},
+        {"enableFreezer", "(Z)V", (void*)android_os_Process_enableFreezer},
         {"getFreeMemory", "()J", (void*)android_os_Process_getFreeMemory},
         {"getTotalMemory", "()J", (void*)android_os_Process_getTotalMemory},
         {"readProcLines", "(Ljava/lang/String;[Ljava/lang/String;[J)V",
diff --git a/core/res/res/values/strings.xml b/core/res/res/values/strings.xml
index f101f59..ff49c45 100644
--- a/core/res/res/values/strings.xml
+++ b/core/res/res/values/strings.xml
@@ -1169,7 +1169,7 @@
     <!-- Title of an application permission, listed so the user can choose whether they want to allow the application to do this. [CHAR_LIMIT=NONE] -->
     <string name="permlab_cameraOpenCloseListener">Allow an application or service to receive callbacks about camera devices being opened or closed.</string>
     <!-- Description of an application permission, listed so the user can choose whether they want to allow the application to do this. [CHAR_LIMIT=NONE] -->
-    <string name="permdesc_cameraOpenCloseListener">This signature app can receive callbacks when any camera device is being opened (by what application package) or closed.</string>
+    <string name="permdesc_cameraOpenCloseListener">This app can receive callbacks when any camera device is being opened (by what application) or closed.</string>
 
     <!-- Title of an application permission, listed so the user can choose whether they want to allow the application to do this. -->
     <string name="permlab_vibrate">control vibration</string>
diff --git a/core/tests/coretests/src/com/android/internal/app/IntentForwarderActivityTest.java b/core/tests/coretests/src/com/android/internal/app/IntentForwarderActivityTest.java
index abfb4fb..8cf146e 100644
--- a/core/tests/coretests/src/com/android/internal/app/IntentForwarderActivityTest.java
+++ b/core/tests/coretests/src/com/android/internal/app/IntentForwarderActivityTest.java
@@ -48,6 +48,7 @@
 import android.os.RemoteException;
 import android.os.UserHandle;
 import android.os.UserManager;
+import android.provider.Settings;
 
 import androidx.test.InstrumentationRegistry;
 import androidx.test.rule.ActivityTestRule;
@@ -56,6 +57,7 @@
 import com.android.internal.logging.MetricsLogger;
 import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
 
+import org.junit.After;
 import org.junit.Before;
 import org.junit.Rule;
 import org.junit.Test;
@@ -87,6 +89,7 @@
     static {
         MANAGED_PROFILE_INFO.id = 10;
         MANAGED_PROFILE_INFO.flags = UserInfo.FLAG_MANAGED_PROFILE;
+        MANAGED_PROFILE_INFO.userType = UserManager.USER_TYPE_PROFILE_MANAGED;
     }
 
     private static UserInfo CURRENT_USER_INFO = new UserInfo();
@@ -116,12 +119,21 @@
 
     private Context mContext;
     public static final String PHONE_NUMBER = "123-456-789";
+    private int mDeviceProvisionedInitialValue;
 
     @Before
     public void setup() {
         MockitoAnnotations.initMocks(this);
         mContext = InstrumentationRegistry.getTargetContext();
         sInjector = spy(new TestInjector());
+        mDeviceProvisionedInitialValue = Settings.Global.getInt(mContext.getContentResolver(),
+                Settings.Global.DEVICE_PROVISIONED, /* def= */ 0);
+    }
+
+    @After
+    public void tearDown() {
+        Settings.Global.putInt(mContext.getContentResolver(), Settings.Global.DEVICE_PROVISIONED,
+                mDeviceProvisionedInitialValue);
     }
 
     @Test
@@ -533,6 +545,22 @@
     }
 
     @Test
+    public void shouldSkipDisclosure_duringDeviceSetup() throws RemoteException {
+        setupShouldSkipDisclosureTest();
+        Settings.Global.putInt(mContext.getContentResolver(), Settings.Global.DEVICE_PROVISIONED,
+                /* value= */ 0);
+        Intent intent = new Intent(mContext, IntentForwarderWrapperActivity.class)
+                .setAction(Intent.ACTION_VIEW)
+                .addCategory(Intent.CATEGORY_BROWSABLE)
+                .setData(Uri.fromParts("http", "apache.org", null));
+
+        mActivityRule.launchActivity(intent);
+
+        verify(mIPm).canForwardTo(any(), any(), anyInt(), anyInt());
+        verify(sInjector, never()).showToast(anyInt(), anyInt());
+    }
+
+    @Test
     public void forwardToManagedProfile_LoggingTest() throws Exception {
         sComponentName = FORWARD_TO_MANAGED_PROFILE_COMPONENT_NAME;
 
@@ -590,6 +618,8 @@
         sComponentName = FORWARD_TO_MANAGED_PROFILE_COMPONENT_NAME;
         sActivityName = "MyTestActivity";
         sPackageName = "test.package.name";
+        Settings.Global.putInt(mContext.getContentResolver(), Settings.Global.DEVICE_PROVISIONED,
+                /* value= */ 1);
         when(mApplicationInfo.isSystemApp()).thenReturn(true);
         // Managed profile exists.
         List<UserInfo> profiles = new ArrayList<>();
diff --git a/packages/CarSystemUI/src/com/android/systemui/CarSystemUIModule.java b/packages/CarSystemUI/src/com/android/systemui/CarSystemUIModule.java
index 8292d30..14d5bd5 100644
--- a/packages/CarSystemUI/src/com/android/systemui/CarSystemUIModule.java
+++ b/packages/CarSystemUI/src/com/android/systemui/CarSystemUIModule.java
@@ -27,9 +27,11 @@
 import com.android.systemui.dagger.SystemUIRootComponent;
 import com.android.systemui.dock.DockManager;
 import com.android.systemui.dock.DockManagerImpl;
+import com.android.systemui.plugins.qs.QSFactory;
 import com.android.systemui.plugins.statusbar.StatusBarStateController;
 import com.android.systemui.power.EnhancedEstimates;
 import com.android.systemui.power.EnhancedEstimatesImpl;
+import com.android.systemui.qs.tileimpl.QSFactoryImpl;
 import com.android.systemui.recents.Recents;
 import com.android.systemui.recents.RecentsImplementation;
 import com.android.systemui.stackdivider.DividerModule;
@@ -107,6 +109,10 @@
             BatteryControllerImpl controllerImpl);
 
     @Binds
+    @Singleton
+    public abstract QSFactory provideQSFactory(QSFactoryImpl qsFactoryImpl);
+
+    @Binds
     abstract DockManager bindDockManager(DockManagerImpl dockManager);
 
     @Binds
diff --git a/packages/SystemUI/res/values/config.xml b/packages/SystemUI/res/values/config.xml
index 82224df..06e027d 100644
--- a/packages/SystemUI/res/values/config.xml
+++ b/packages/SystemUI/res/values/config.xml
@@ -117,7 +117,7 @@
 
     <!-- Tiles native to System UI. Order should match "quick_settings_tiles_default" -->
     <string name="quick_settings_tiles_stock" translatable="false">
-        wifi,cell,battery,dnd,flashlight,rotation,bt,airplane,location,hotspot,inversion,saver,dark,work,cast,night,screenrecord
+        wifi,cell,battery,dnd,flashlight,rotation,bt,airplane,location,hotspot,inversion,saver,dark,work,cast,night,screenrecord,reverse
     </string>
 
     <!-- The tiles to display in QuickSettings -->
diff --git a/packages/SystemUI/src/com/android/systemui/bubbles/animation/StackAnimationController.java b/packages/SystemUI/src/com/android/systemui/bubbles/animation/StackAnimationController.java
index b63ba6f..7ee162e 100644
--- a/packages/SystemUI/src/com/android/systemui/bubbles/animation/StackAnimationController.java
+++ b/packages/SystemUI/src/com/android/systemui/bubbles/animation/StackAnimationController.java
@@ -89,6 +89,9 @@
     private static final int SPRING_AFTER_FLING_STIFFNESS = 750;
     private static final float SPRING_AFTER_FLING_DAMPING_RATIO = 0.85f;
 
+    /** Sentinel value for unset position value. */
+    private static final float UNSET = -Float.MIN_VALUE;
+
     /**
      * Minimum fling velocity required to trigger moving the stack from one side of the screen to
      * the other.
@@ -133,7 +136,7 @@
      * The Y position of the stack before the IME became visible, or {@link Float#MIN_VALUE} if the
      * IME is not visible or the user moved the stack since the IME became visible.
      */
-    private float mPreImeY = Float.MIN_VALUE;
+    private float mPreImeY = UNSET;
 
     /**
      * Animations on the stack position itself, which would have been started in
@@ -263,7 +266,7 @@
 
         // If we manually move the bubbles with the IME open, clear the return point since we don't
         // want the stack to snap away from the new position.
-        mPreImeY = Float.MIN_VALUE;
+        mPreImeY = UNSET;
 
         moveFirstBubbleWithStackFollowing(DynamicAnimation.TRANSLATION_X, x);
         moveFirstBubbleWithStackFollowing(DynamicAnimation.TRANSLATION_Y, y);
@@ -512,26 +515,27 @@
      * Animates the stack either away from the newly visible IME, or back to its original position
      * due to the IME going away.
      *
-     * @return The destination Y value of the stack due to the IME movement.
+     * @return The destination Y value of the stack due to the IME movement (or the current position
+     * of the stack if it's not moving).
      */
     public float animateForImeVisibility(boolean imeVisible) {
         final float maxBubbleY = getAllowableStackPositionRegion().bottom;
-        float destinationY = Float.MIN_VALUE;
+        float destinationY = UNSET;
 
         if (imeVisible) {
             // Stack is lower than it should be and overlaps the now-visible IME.
-            if (mStackPosition.y > maxBubbleY && mPreImeY == Float.MIN_VALUE) {
+            if (mStackPosition.y > maxBubbleY && mPreImeY == UNSET) {
                 mPreImeY = mStackPosition.y;
                 destinationY = maxBubbleY;
             }
         } else {
-            if (mPreImeY > Float.MIN_VALUE) {
+            if (mPreImeY != UNSET) {
                 destinationY = mPreImeY;
-                mPreImeY = Float.MIN_VALUE;
+                mPreImeY = UNSET;
             }
         }
 
-        if (destinationY > Float.MIN_VALUE) {
+        if (destinationY != UNSET) {
             springFirstBubbleWithStackFollowing(
                     DynamicAnimation.TRANSLATION_Y,
                     getSpringForce(DynamicAnimation.TRANSLATION_Y, /* view */ null)
@@ -542,7 +546,7 @@
             notifyFloatingCoordinatorStackAnimatingTo(mStackPosition.x, destinationY);
         }
 
-        return destinationY;
+        return destinationY != UNSET ? destinationY : mStackPosition.y;
     }
 
     /**
@@ -595,7 +599,7 @@
                     mLayout.getHeight()
                             - mBubbleSize
                             - mBubblePaddingTop
-                            - (mImeHeight > Float.MIN_VALUE ? mImeHeight + mBubblePaddingTop : 0f)
+                            - (mImeHeight != UNSET ? mImeHeight + mBubblePaddingTop : 0f)
                             - Math.max(
                             insets.getStableInsetBottom(),
                             insets.getDisplayCutout() != null
diff --git a/packages/SystemUI/src/com/android/systemui/dagger/SystemUIDefaultModule.java b/packages/SystemUI/src/com/android/systemui/dagger/SystemUIDefaultModule.java
index 956b4aa..8c572fe 100644
--- a/packages/SystemUI/src/com/android/systemui/dagger/SystemUIDefaultModule.java
+++ b/packages/SystemUI/src/com/android/systemui/dagger/SystemUIDefaultModule.java
@@ -26,9 +26,11 @@
 import com.android.keyguard.KeyguardViewController;
 import com.android.systemui.dock.DockManager;
 import com.android.systemui.dock.DockManagerImpl;
+import com.android.systemui.plugins.qs.QSFactory;
 import com.android.systemui.plugins.statusbar.StatusBarStateController;
 import com.android.systemui.power.EnhancedEstimates;
 import com.android.systemui.power.EnhancedEstimatesImpl;
+import com.android.systemui.qs.tileimpl.QSFactoryImpl;
 import com.android.systemui.recents.Recents;
 import com.android.systemui.recents.RecentsImplementation;
 import com.android.systemui.stackdivider.DividerModule;
@@ -85,6 +87,10 @@
             BatteryControllerImpl controllerImpl);
 
     @Binds
+    @Singleton
+    public abstract QSFactory provideQSFactory(QSFactoryImpl qsFactoryImpl);
+
+    @Binds
     abstract DockManager bindDockManager(DockManagerImpl dockManager);
 
     @Binds
diff --git a/packages/SystemUI/src/com/android/systemui/qs/QSHost.java b/packages/SystemUI/src/com/android/systemui/qs/QSHost.java
index 3cf0718..ece1ce8b 100644
--- a/packages/SystemUI/src/com/android/systemui/qs/QSHost.java
+++ b/packages/SystemUI/src/com/android/systemui/qs/QSHost.java
@@ -28,6 +28,7 @@
     void forceCollapsePanels();
     void openPanels();
     Context getContext();
+    Context getUserContext();
     QSLogger getQSLogger();
     Collection<QSTile> getTiles();
     void addCallback(Callback callback);
diff --git a/packages/SystemUI/src/com/android/systemui/qs/QSTileHost.java b/packages/SystemUI/src/com/android/systemui/qs/QSTileHost.java
index fab7191..9e8eb3a 100644
--- a/packages/SystemUI/src/com/android/systemui/qs/QSTileHost.java
+++ b/packages/SystemUI/src/com/android/systemui/qs/QSTileHost.java
@@ -45,7 +45,6 @@
 import com.android.systemui.qs.external.TileLifecycleManager;
 import com.android.systemui.qs.external.TileServices;
 import com.android.systemui.qs.logging.QSLogger;
-import com.android.systemui.qs.tileimpl.QSFactoryImpl;
 import com.android.systemui.shared.plugins.PluginManager;
 import com.android.systemui.statusbar.phone.AutoTileManager;
 import com.android.systemui.statusbar.phone.StatusBar;
@@ -98,7 +97,7 @@
     @Inject
     public QSTileHost(Context context,
             StatusBarIconController iconController,
-            QSFactoryImpl defaultFactory,
+            QSFactory defaultFactory,
             @Main Handler mainHandler,
             @Background Looper bgLooper,
             PluginManager pluginManager,
@@ -120,7 +119,6 @@
         mServices = new TileServices(this, bgLooper, mBroadcastDispatcher);
         mStatusBarOptional = statusBarOptional;
 
-        defaultFactory.setHost(this);
         mQsFactories.add(defaultFactory);
         pluginManager.addPluginListener(this, QSFactory.class, true);
         mDumpManager.registerDumpable(TAG, this);
@@ -211,10 +209,12 @@
         return mContext;
     }
 
+    @Override
     public Context getUserContext() {
         return mUserContext;
     }
 
+    @Override
     public TileServices getTileServices() {
         return mServices;
     }
diff --git a/packages/SystemUI/src/com/android/systemui/qs/external/CustomTile.java b/packages/SystemUI/src/com/android/systemui/qs/external/CustomTile.java
index 3b27fb7..08c8f86 100644
--- a/packages/SystemUI/src/com/android/systemui/qs/external/CustomTile.java
+++ b/packages/SystemUI/src/com/android/systemui/qs/external/CustomTile.java
@@ -46,7 +46,7 @@
 import com.android.systemui.Dependency;
 import com.android.systemui.plugins.ActivityStarter;
 import com.android.systemui.plugins.qs.QSTile.State;
-import com.android.systemui.qs.QSTileHost;
+import com.android.systemui.qs.QSHost;
 import com.android.systemui.qs.external.TileLifecycleManager.TileChangeListener;
 import com.android.systemui.qs.tileimpl.QSTileImpl;
 
@@ -79,7 +79,7 @@
     private boolean mIsTokenGranted;
     private boolean mIsShowingDialog;
 
-    private CustomTile(QSTileHost host, String action, Context userContext) {
+    private CustomTile(QSHost host, String action, Context userContext) {
         super(host);
         mWindowManager = WindowManagerGlobal.getWindowManagerService();
         mComponent = ComponentName.unflattenFromString(action);
@@ -392,7 +392,7 @@
         return ComponentName.unflattenFromString(action);
     }
 
-    public static CustomTile create(QSTileHost host, String spec, Context userContext) {
+    public static CustomTile create(QSHost host, String spec, Context userContext) {
         if (spec == null || !spec.startsWith(PREFIX) || !spec.endsWith(")")) {
             throw new IllegalArgumentException("Bad custom tile spec: " + spec);
         }
diff --git a/packages/SystemUI/src/com/android/systemui/qs/tileimpl/QSFactoryImpl.java b/packages/SystemUI/src/com/android/systemui/qs/tileimpl/QSFactoryImpl.java
index 1b8717b..c182a58 100644
--- a/packages/SystemUI/src/com/android/systemui/qs/tileimpl/QSFactoryImpl.java
+++ b/packages/SystemUI/src/com/android/systemui/qs/tileimpl/QSFactoryImpl.java
@@ -24,7 +24,7 @@
 import com.android.systemui.plugins.qs.QSIconView;
 import com.android.systemui.plugins.qs.QSTile;
 import com.android.systemui.plugins.qs.QSTileView;
-import com.android.systemui.qs.QSTileHost;
+import com.android.systemui.qs.QSHost;
 import com.android.systemui.qs.external.CustomTile;
 import com.android.systemui.qs.tiles.AirplaneModeTile;
 import com.android.systemui.qs.tiles.BatterySaverTile;
@@ -51,6 +51,8 @@
 import javax.inject.Provider;
 import javax.inject.Singleton;
 
+import dagger.Lazy;
+
 @Singleton
 public class QSFactoryImpl implements QSFactory {
 
@@ -77,10 +79,11 @@
     private final Provider<UiModeNightTile> mUiModeNightTileProvider;
     private final Provider<ScreenRecordTile> mScreenRecordTileProvider;
 
-    private QSTileHost mHost;
+    private final Lazy<QSHost> mQsHostLazy;
 
     @Inject
-    public QSFactoryImpl(Provider<WifiTile> wifiTileProvider,
+    public QSFactoryImpl(Lazy<QSHost> qsHostLazy,
+            Provider<WifiTile> wifiTileProvider,
             Provider<BluetoothTile> bluetoothTileProvider,
             Provider<CellularTile> cellularTileProvider,
             Provider<DndTile> dndTileProvider,
@@ -100,6 +103,7 @@
             Provider<GarbageMonitor.MemoryTile> memoryTileProvider,
             Provider<UiModeNightTile> uiModeNightTileProvider,
             Provider<ScreenRecordTile> screenRecordTileProvider) {
+        mQsHostLazy = qsHostLazy;
         mWifiTileProvider = wifiTileProvider;
         mBluetoothTileProvider = bluetoothTileProvider;
         mCellularTileProvider = cellularTileProvider;
@@ -122,10 +126,6 @@
         mScreenRecordTileProvider = screenRecordTileProvider;
     }
 
-    public void setHost(QSTileHost host) {
-        mHost = host;
-    }
-
     public QSTile createTile(String tileSpec) {
         QSTileImpl tile = createTileInternal(tileSpec);
         if (tile != null) {
@@ -179,7 +179,8 @@
 
         // Custom tiles
         if (tileSpec.startsWith(CustomTile.PREFIX)) {
-            return CustomTile.create(mHost, tileSpec, mHost.getUserContext());
+            return CustomTile.create(mQsHostLazy.get(), tileSpec,
+                    mQsHostLazy.get().getUserContext());
         }
 
         // Debug tiles.
@@ -196,7 +197,7 @@
 
     @Override
     public QSTileView createTileView(QSTile tile, boolean collapsedView) {
-        Context context = new ContextThemeWrapper(mHost.getContext(), R.style.qs_theme);
+        Context context = new ContextThemeWrapper(mQsHostLazy.get().getContext(), R.style.qs_theme);
         QSIconView icon = tile.createTileView(context);
         if (collapsedView) {
             return new QSTileBaseView(context, icon, collapsedView);
diff --git a/packages/SystemUI/src/com/android/systemui/screenshot/GlobalScreenshot.java b/packages/SystemUI/src/com/android/systemui/screenshot/GlobalScreenshot.java
index 7c770f4..1780fb1 100644
--- a/packages/SystemUI/src/com/android/systemui/screenshot/GlobalScreenshot.java
+++ b/packages/SystemUI/src/com/android/systemui/screenshot/GlobalScreenshot.java
@@ -347,6 +347,7 @@
     void handleImageAsScreenshot(Bitmap screenshot, Rect screenshotScreenBounds,
             Insets visibleInsets, int taskId, Consumer<Uri> finisher) {
         // TODO use taskId and visibleInsets
+        clearScreenshot("new screenshot requested");
         takeScreenshot(screenshot, finisher, screenshotScreenBounds);
     }
 
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/notification/VisualStabilityManager.java b/packages/SystemUI/src/com/android/systemui/statusbar/notification/VisualStabilityManager.java
index fabe3a7..b357ada 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/notification/VisualStabilityManager.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/notification/VisualStabilityManager.java
@@ -45,7 +45,6 @@
     private final ArrayList<Callback> mCallbacks =  new ArrayList<>();
     private final Handler mHandler;
 
-    private NotificationPresenter mPresenter;
     private boolean mPanelExpanded;
     private boolean mScreenOn;
     private boolean mReorderingAllowed;
@@ -80,7 +79,6 @@
     }
 
     public void setUpWithPresenter(NotificationPresenter presenter) {
-        mPresenter = presenter;
     }
 
     /**
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/notification/collection/GroupEntry.java b/packages/SystemUI/src/com/android/systemui/statusbar/notification/collection/GroupEntry.java
index b960b42..2c747bd 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/notification/collection/GroupEntry.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/notification/collection/GroupEntry.java
@@ -16,6 +16,7 @@
 
 package com.android.systemui.statusbar.notification.collection;
 
+import android.annotation.NonNull;
 import android.annotation.Nullable;
 
 import com.android.internal.annotations.VisibleForTesting;
@@ -51,6 +52,7 @@
         return mSummary;
     }
 
+    @NonNull
     public List<NotificationEntry> getChildren() {
         return mUnmodifiableChildren;
     }
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/notification/collection/NotifViewBarn.kt b/packages/SystemUI/src/com/android/systemui/statusbar/notification/collection/NotifViewBarn.kt
new file mode 100644
index 0000000..e7948cd
--- /dev/null
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/notification/collection/NotifViewBarn.kt
@@ -0,0 +1,63 @@
+/*
+ * Copyright (C) 2020 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.systemui.statusbar.notification.collection
+
+import android.view.textclassifier.Log
+import com.android.systemui.statusbar.notification.stack.NotificationListItem
+import java.lang.IllegalStateException
+
+import javax.inject.Inject
+import javax.inject.Singleton
+
+/**
+ * The ViewBarn is just a map from [ListEntry] to an instance of [NotificationListItem] which is
+ * usually just an [ExpandableNotificationRow]
+ */
+@Singleton
+class NotifViewBarn @Inject constructor() {
+    private val DEBUG = false
+
+    private val rowMap = mutableMapOf<String, NotificationListItem>()
+
+    fun requireView(forEntry: ListEntry): NotificationListItem {
+        if (DEBUG) {
+            Log.d(TAG, "requireView: $forEntry.key")
+        }
+        val li = rowMap[forEntry.key]
+        if (li == null) {
+            throw IllegalStateException("No view has been registered for entry: $forEntry")
+        }
+
+        return li
+    }
+
+    fun registerViewForEntry(entry: ListEntry, view: NotificationListItem) {
+        if (DEBUG) {
+            Log.d(TAG, "registerViewForEntry: $entry.key")
+        }
+        rowMap[entry.key] = view
+    }
+
+    fun removeViewForEntry(entry: ListEntry) {
+        if (DEBUG) {
+            Log.d(TAG, "removeViewForEntry: $entry.key")
+        }
+        rowMap.remove(entry.key)
+    }
+}
+
+private const val TAG = "NotifViewBarn"
\ No newline at end of file
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/notification/collection/NotifViewManager.kt b/packages/SystemUI/src/com/android/systemui/statusbar/notification/collection/NotifViewManager.kt
new file mode 100644
index 0000000..0437877
--- /dev/null
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/notification/collection/NotifViewManager.kt
@@ -0,0 +1,200 @@
+/*
+ * Copyright (C) 2019 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.systemui.statusbar.notification.collection
+
+import android.annotation.MainThread
+import android.view.ViewGroup
+
+import com.android.systemui.statusbar.FeatureFlags
+import com.android.systemui.statusbar.notification.VisualStabilityManager
+import com.android.systemui.statusbar.notification.collection.GroupEntry.ROOT_ENTRY
+import com.android.systemui.statusbar.notification.stack.NotificationListItem
+import com.android.systemui.util.Assert
+
+import java.io.FileDescriptor
+import java.io.PrintWriter
+import java.lang.IllegalStateException
+import javax.inject.Inject
+import javax.inject.Singleton
+
+/**
+ * A consumer of a Notification tree built by [ShadeListBuilder] which will update the notification
+ * presenter with the minimum operations required to make the old tree match the new one
+ */
+@MainThread
+@Singleton
+class NotifViewManager @Inject constructor(
+    private val rowRegistry: NotifViewBarn,
+    private val stabilityManager: VisualStabilityManager,
+    private val featureFlags: FeatureFlags
+) {
+    var currentNotifs = listOf<ListEntry>()
+
+    private lateinit var listContainer: SimpleNotificationListContainer
+
+    fun attach(listBuilder: ShadeListBuilder) {
+        if (featureFlags.isNewNotifPipelineRenderingEnabled) {
+            listBuilder.setOnRenderListListener { entries: List<ListEntry> ->
+                this.onNotifTreeBuilt(entries)
+            }
+        }
+    }
+
+    fun setViewConsumer(consumer: SimpleNotificationListContainer) {
+        listContainer = consumer
+    }
+
+    /**
+     * Callback for when the tree is rebuilt
+     */
+    fun onNotifTreeBuilt(notifList: List<ListEntry>) {
+        Assert.isMainThread()
+
+        /*
+         * The assumption here is that anything from the old NotificationViewHierarchyManager that
+         * is responsible for filtering is done via the NotifFilter logic. This tree we get should
+         * be *the stuff to display* +/- redacted stuff
+         */
+
+        detachRows(notifList)
+        attachRows(notifList)
+
+        currentNotifs = notifList
+    }
+
+    private fun detachRows(entries: List<ListEntry>) {
+        // To properly detach rows, we are looking to remove any view in the consumer that is not
+        // present in the incoming list.
+        //
+        // Every listItem was top-level, so it's entry's parent was ROOT_ENTRY, but now
+        // there are two possibilities:
+        //
+        //      1. It is not present in the entry list
+        //          1a. It has moved to be a child in the entry list - transfer it
+        //          1b. It is gone completely - remove it
+        //      2. It is present in the entry list - diff the children
+        getListItems(listContainer)
+                .filter {
+                    // Ignore things that are showing the blocking helper
+                    !it.isBlockingHelperShowing
+                }
+                .forEach { listItem ->
+                    val noLongerTopLevel = listItem.entry.parent != ROOT_ENTRY
+                    val becameChild = noLongerTopLevel && listItem.entry.parent != null
+
+                    val idx = entries.indexOf(listItem.entry)
+
+                    if (noLongerTopLevel) {
+                        // Summaries won't become children; remove the whole group
+                        if (listItem.isSummaryWithChildren) {
+                            listItem.removeAllChildren()
+                        }
+
+                        if (becameChild) {
+                            // Top-level element is becoming a child, don't generate an animation
+                            listContainer.setChildTransferInProgress(true)
+                        }
+                        listContainer.removeListItem(listItem)
+                        listContainer.setChildTransferInProgress(false)
+                    } else if (entries[idx] is GroupEntry) {
+                        // A top-level entry exists. If it's a group, diff the children
+                        val groupChildren = (entries[idx] as GroupEntry).children
+                        listItem.notificationChildren?.forEach { listChild ->
+                            if (!groupChildren.contains(listChild.entry)) {
+                                listItem.removeChildNotification(listChild)
+
+                                // TODO: the old code only calls this if the notif is gone from
+                                // NEM.getActiveNotificationUnfiltered(). Do we care?
+                                listContainer.notifyGroupChildRemoved(
+                                        listChild.view, listChild.view.parent as ViewGroup)
+                            }
+                        }
+                    }
+                }
+    }
+
+    /** Convenience method for getting a sequence of [NotificationListItem]s */
+    private fun getListItems(container: SimpleNotificationListContainer):
+            Sequence<NotificationListItem> {
+        return (0 until container.getContainerChildCount()).asSequence()
+                .map { container.getContainerChildAt(it) }
+                .filterIsInstance<NotificationListItem>()
+    }
+
+    private fun attachRows(entries: List<ListEntry>) {
+
+        var orderChanged = false
+
+        // To attach rows we can use _this one weird trick_: if the intended view to add does not
+        // have a parent, then simply add it (and its children).
+        entries.forEach { entry ->
+            val listItem = rowRegistry.requireView(entry)
+
+            if (listItem.view.parent != null) {
+                listContainer.addListItem(listItem)
+                stabilityManager.notifyViewAddition(listItem.view)
+            }
+
+            if (entry is GroupEntry) {
+                for ((idx, childEntry) in entry.children.withIndex()) {
+                    val childListItem = rowRegistry.requireView(childEntry)
+                    // Child hasn't been added yet. add it!
+                    if (!listItem.notificationChildren.contains(childListItem)) {
+                        // TODO: old code here just Log.wtf()'d here. This might wreak havoc
+                        if (childListItem.view.parent != null) {
+                            throw IllegalStateException("trying to add a notification child that " +
+                                    "already has a parent. class: " +
+                                    "${childListItem.view.parent?.javaClass} " +
+                                    "\n child: ${childListItem.view}"
+                            )
+                        }
+
+                        listItem.addChildNotification(childListItem, idx)
+                        stabilityManager.notifyViewAddition(childListItem.view)
+                        listContainer.notifyGroupChildAdded(childListItem.view)
+                    }
+                }
+
+                // finally after removing and adding has been performed we can apply the order
+                orderChanged = orderChanged ||
+                        listItem.applyChildOrder(
+                                getChildListFromParent(entry),
+                                stabilityManager,
+                                null /*TODO: stability callback */
+                        )
+            }
+        }
+
+        if (orderChanged) {
+            listContainer.generateChildOrderChangedEvent()
+        }
+    }
+
+    private fun getChildListFromParent(parent: ListEntry): List<NotificationListItem> {
+        if (parent is GroupEntry) {
+            return parent.children.map { child -> rowRegistry.requireView(child) }
+                    .toList()
+        }
+
+        return emptyList()
+    }
+
+    fun dump(fd: FileDescriptor, pw: PrintWriter, args: Array<String>) {
+    }
+}
+
+private const val TAG = "NotifViewDataSource"
\ No newline at end of file
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/notification/collection/ShadeListBuilder.java b/packages/SystemUI/src/com/android/systemui/statusbar/notification/collection/ShadeListBuilder.java
index 5b73b1a..f7d6cef 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/notification/collection/ShadeListBuilder.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/notification/collection/ShadeListBuilder.java
@@ -319,7 +319,7 @@
         logParentingChanges();
         freeEmptyGroups();
 
-        // Step 6: Dispatch the new list, first to any listeners and then to the view layer
+        // Step 8: Dispatch the new list, first to any listeners and then to the view layer
         if (mIterationCount % 10 == 0) {
             mLogger.logFinalList(mNotifList);
         }
@@ -328,7 +328,7 @@
             mOnRenderListListener.onRenderList(mReadOnlyNotifList);
         }
 
-        // Step 7: We're done!
+        // Step 9: We're done!
         mLogger.logEndBuildList(mIterationCount);
         mPipelineState.setState(STATE_IDLE);
         mIterationCount++;
@@ -816,7 +816,7 @@
          * @param entries A read-only view into the current notif list. Note that this list is
          *                backed by the live list and will change in response to new pipeline runs.
          */
-        void onRenderList(List<ListEntry> entries);
+        void onRenderList(@NonNull List<ListEntry> entries);
     }
 
     private static final NotifSection sDefaultSection =
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/notification/collection/SimpleNotificationListContainer.kt b/packages/SystemUI/src/com/android/systemui/statusbar/notification/collection/SimpleNotificationListContainer.kt
new file mode 100644
index 0000000..2dbe555
--- /dev/null
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/notification/collection/SimpleNotificationListContainer.kt
@@ -0,0 +1,43 @@
+/*
+ * Copyright (C) 2020 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.systemui.statusbar.notification.collection
+
+import android.view.View
+import android.view.ViewGroup
+import com.android.systemui.statusbar.notification.stack.NotificationListItem
+
+/**
+ * Minimal interface of what [NotifViewManager] needs from [NotificationListContainer]
+ */
+interface SimpleNotificationListContainer {
+    /** Called to signify that a top-level element is becoming a child in the shade */
+    fun setChildTransferInProgress(b: Boolean)
+    /** Used to generate a list of [NotificationListItem] */
+    fun getContainerChildAt(i: Int): View
+    /** Similar to above */
+    fun getContainerChildCount(): Int
+    /** Remove a [NotificationListItem] from the container */
+    fun removeListItem(li: NotificationListItem)
+    /** Add a [NotificationListItem] to the container */
+    fun addListItem(li: NotificationListItem)
+    /** Allows [NotifViewManager] to notify the container about a group child removal */
+    fun notifyGroupChildRemoved(row: View, parent: ViewGroup)
+    /** Allows [NotifViewManager] to notify the container about a group child addition */
+    fun notifyGroupChildAdded(row: View)
+    /** [NotifViewManager] calls this when the order of the children changes */
+    fun generateChildOrderChangedEvent()
+}
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/notification/collection/coordinator/PreparationCoordinator.java b/packages/SystemUI/src/com/android/systemui/statusbar/notification/collection/coordinator/PreparationCoordinator.java
index ebecf18..98a019e 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/notification/collection/coordinator/PreparationCoordinator.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/notification/collection/coordinator/PreparationCoordinator.java
@@ -26,6 +26,7 @@
 import com.android.systemui.statusbar.notification.collection.ListEntry;
 import com.android.systemui.statusbar.notification.collection.NotifInflaterImpl;
 import com.android.systemui.statusbar.notification.collection.NotifPipeline;
+import com.android.systemui.statusbar.notification.collection.NotifViewBarn;
 import com.android.systemui.statusbar.notification.collection.NotificationEntry;
 import com.android.systemui.statusbar.notification.collection.ShadeListBuilder;
 import com.android.systemui.statusbar.notification.collection.inflation.NotifInflater;
@@ -57,6 +58,7 @@
     private final PreparationCoordinatorLogger mLogger;
     private final NotifInflater mNotifInflater;
     private final NotifInflationErrorManager mNotifErrorManager;
+    private final NotifViewBarn mViewBarn;
     private final Map<NotificationEntry, Integer> mInflationStates = new ArrayMap<>();
     private final IStatusBarService mStatusBarService;
 
@@ -65,12 +67,14 @@
             PreparationCoordinatorLogger logger,
             NotifInflaterImpl notifInflater,
             NotifInflationErrorManager errorManager,
+            NotifViewBarn viewBarn,
             IStatusBarService service) {
         mLogger = logger;
         mNotifInflater = notifInflater;
         mNotifInflater.setInflationCallback(mInflationCallback);
         mNotifErrorManager = errorManager;
         mNotifErrorManager.addInflationErrorListener(mInflationErrorListener);
+        mViewBarn = viewBarn;
         mStatusBarService = service;
     }
 
@@ -109,6 +113,7 @@
         @Override
         public void onEntryCleanUp(NotificationEntry entry) {
             mInflationStates.remove(entry);
+            mViewBarn.removeViewForEntry(entry);
         }
     };
 
@@ -142,6 +147,7 @@
         @Override
         public void onInflationFinished(NotificationEntry entry) {
             mLogger.logNotifInflated(entry.getKey());
+            mViewBarn.registerViewForEntry(entry, entry.getRow());
             mInflationStates.put(entry, STATE_INFLATED);
             mNotifInflatingFilter.invalidateList();
         }
@@ -151,6 +157,7 @@
             new NotifInflationErrorManager.NotifInflationErrorListener() {
         @Override
         public void onNotifInflationError(NotificationEntry entry, Exception e) {
+            mViewBarn.removeViewForEntry(entry);
             mInflationStates.put(entry, STATE_ERROR);
             try {
                 final StatusBarNotification sbn = entry.getSbn();
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/notification/collection/init/FakePipelineConsumer.java b/packages/SystemUI/src/com/android/systemui/statusbar/notification/collection/init/FakePipelineConsumer.java
deleted file mode 100644
index 15f312d..0000000
--- a/packages/SystemUI/src/com/android/systemui/statusbar/notification/collection/init/FakePipelineConsumer.java
+++ /dev/null
@@ -1,85 +0,0 @@
-/*
- * Copyright (C) 2019 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package com.android.systemui.statusbar.notification.collection.init;
-
-import com.android.systemui.Dumpable;
-import com.android.systemui.statusbar.notification.collection.GroupEntry;
-import com.android.systemui.statusbar.notification.collection.ListEntry;
-import com.android.systemui.statusbar.notification.collection.NotificationEntry;
-import com.android.systemui.statusbar.notification.collection.ShadeListBuilder;
-
-import java.io.FileDescriptor;
-import java.io.PrintWriter;
-import java.util.Collections;
-import java.util.List;
-
-/**
- * Temporary class that tracks the result of the list builder and dumps it to text when requested.
- *
- * Eventually, this will be something that hands off the result of the pipeline to the View layer.
- */
-public class FakePipelineConsumer implements Dumpable {
-    private List<ListEntry> mEntries = Collections.emptyList();
-
-    /** Attach the consumer to the pipeline. */
-    public void attach(ShadeListBuilder listBuilder) {
-        listBuilder.setOnRenderListListener(this::onBuildComplete);
-    }
-
-    private void onBuildComplete(List<ListEntry> entries) {
-        mEntries = entries;
-    }
-
-    @Override
-    public void dump(FileDescriptor fd, PrintWriter pw, String[] args) {
-        pw.println();
-        pw.println("Active notif tree:");
-        for (int i = 0; i < mEntries.size(); i++) {
-            ListEntry entry = mEntries.get(i);
-            if (entry instanceof GroupEntry) {
-                GroupEntry ge = (GroupEntry) entry;
-                pw.println(dumpGroup(ge, "", i));
-
-                pw.println(dumpEntry(ge.getSummary(), INDENT, -1));
-                for (int j = 0; j < ge.getChildren().size(); j++) {
-                    pw.println(dumpEntry(ge.getChildren().get(j), INDENT, j));
-                }
-            } else {
-                pw.println(dumpEntry(entry.getRepresentativeEntry(), "", i));
-            }
-        }
-    }
-
-    private String dumpGroup(GroupEntry entry, String indent, int index) {
-        return String.format(
-                "%s[%d] %s (group)",
-                indent,
-                index,
-                entry.getKey());
-    }
-
-    private String dumpEntry(NotificationEntry entry, String indent, int index) {
-        return String.format(
-                "%s[%s] %s (channel=%s)",
-                indent,
-                index == -1 ? "*" : Integer.toString(index),
-                entry.getKey(),
-                entry.getChannel() != null ? entry.getChannel().getId() : "");
-    }
-
-    private static final String INDENT = "   ";
-}
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/notification/collection/init/NotifPipelineInitializer.java b/packages/SystemUI/src/com/android/systemui/statusbar/notification/collection/init/NotifPipelineInitializer.java
index 258f6d0..f150257 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/notification/collection/init/NotifPipelineInitializer.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/notification/collection/init/NotifPipelineInitializer.java
@@ -25,10 +25,12 @@
 import com.android.systemui.statusbar.notification.collection.NotifCollection;
 import com.android.systemui.statusbar.notification.collection.NotifInflaterImpl;
 import com.android.systemui.statusbar.notification.collection.NotifPipeline;
+import com.android.systemui.statusbar.notification.collection.NotifViewManager;
 import com.android.systemui.statusbar.notification.collection.ShadeListBuilder;
 import com.android.systemui.statusbar.notification.collection.coalescer.GroupCoalescer;
 import com.android.systemui.statusbar.notification.collection.coordinator.NotifCoordinators;
 import com.android.systemui.statusbar.notification.collection.inflation.NotificationRowBinderImpl;
+import com.android.systemui.statusbar.notification.stack.NotificationListContainer;
 
 import java.io.FileDescriptor;
 import java.io.PrintWriter;
@@ -50,7 +52,7 @@
     private final DumpManager mDumpManager;
     private final FeatureFlags mFeatureFlags;
 
-    private final FakePipelineConsumer mFakePipelineConsumer = new FakePipelineConsumer();
+    private final NotifViewManager mNotifViewManager;
 
     @Inject
     public NotifPipelineInitializer(
@@ -61,7 +63,8 @@
             NotifCoordinators notifCoordinators,
             NotifInflaterImpl notifInflater,
             DumpManager dumpManager,
-            FeatureFlags featureFlags) {
+            FeatureFlags featureFlags,
+            NotifViewManager notifViewManager) {
         mPipelineWrapper = pipelineWrapper;
         mGroupCoalescer = groupCoalescer;
         mNotifCollection = notifCollection;
@@ -70,12 +73,14 @@
         mDumpManager = dumpManager;
         mNotifInflater = notifInflater;
         mFeatureFlags = featureFlags;
+        mNotifViewManager = notifViewManager;
     }
 
     /** Hooks the new pipeline up to NotificationManager */
     public void initialize(
             NotificationListener notificationService,
-            NotificationRowBinderImpl rowBinder) {
+            NotificationRowBinderImpl rowBinder,
+            NotificationListContainer listContainer) {
 
         mDumpManager.registerDumpable("NotifPipeline", this);
 
@@ -88,7 +93,8 @@
         mNotifPluggableCoordinators.attach(mPipelineWrapper);
 
         // Wire up pipeline
-        mFakePipelineConsumer.attach(mListBuilder);
+        mNotifViewManager.setViewConsumer(listContainer);
+        mNotifViewManager.attach(mListBuilder);
         mListBuilder.attach(mNotifCollection);
         mNotifCollection.attach(mGroupCoalescer);
         mGroupCoalescer.attach(notificationService);
@@ -98,7 +104,7 @@
 
     @Override
     public void dump(FileDescriptor fd, PrintWriter pw, String[] args) {
-        mFakePipelineConsumer.dump(fd, pw, args);
+        mNotifViewManager.dump(fd, pw, args);
         mNotifPluggableCoordinators.dump(fd, pw, args);
         mGroupCoalescer.dump(fd, pw, args);
     }
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/notification/init/NotificationsControllerImpl.kt b/packages/SystemUI/src/com/android/systemui/statusbar/notification/init/NotificationsControllerImpl.kt
index 8a6d5c7..7a7178c 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/notification/init/NotificationsControllerImpl.kt
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/notification/init/NotificationsControllerImpl.kt
@@ -94,7 +94,10 @@
         notifBindPipelineInitializer.initialize()
 
         if (featureFlags.isNewNotifPipelineEnabled) {
-            newNotifPipeline.get().initialize(notificationListener, notificationRowBinder)
+            newNotifPipeline.get().initialize(
+                    notificationListener,
+                    notificationRowBinder,
+                    listContainer)
         }
 
         if (featureFlags.isNewNotifPipelineRenderingEnabled) {
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/notification/row/ExpandableNotificationRow.java b/packages/SystemUI/src/com/android/systemui/statusbar/notification/row/ExpandableNotificationRow.java
index b1db5b5..5f2b256 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/notification/row/ExpandableNotificationRow.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/notification/row/ExpandableNotificationRow.java
@@ -94,6 +94,7 @@
 import com.android.systemui.statusbar.notification.stack.AnimationProperties;
 import com.android.systemui.statusbar.notification.stack.ExpandableViewState;
 import com.android.systemui.statusbar.notification.stack.NotificationChildrenContainer;
+import com.android.systemui.statusbar.notification.stack.NotificationListItem;
 import com.android.systemui.statusbar.notification.stack.NotificationStackScrollLayout;
 import com.android.systemui.statusbar.notification.stack.SwipeableView;
 import com.android.systemui.statusbar.phone.KeyguardBypassController;
@@ -115,7 +116,8 @@
  * the group summary (which contains 1 or more child notifications).
  */
 public class ExpandableNotificationRow extends ActivatableNotificationView
-        implements PluginListener<NotificationMenuRowPlugin>, SwipeableView {
+        implements PluginListener<NotificationMenuRowPlugin>, SwipeableView,
+        NotificationListItem {
 
     private static final boolean DEBUG = false;
     private static final int DEFAULT_DIVIDER_ALPHA = 0x29;
@@ -666,6 +668,7 @@
         layout.setHeights(minHeight, headsUpHeight, mNotificationMaxHeight);
     }
 
+    @NonNull
     public NotificationEntry getEntry() {
         return mEntry;
     }
@@ -767,6 +770,17 @@
         row.setIsChildInGroup(true, this);
     }
 
+    /**
+     * Same as {@link #addChildNotification(ExpandableNotificationRow, int)}, but takes a
+     * {@link NotificationListItem} instead
+     *
+     * @param childItem item
+     * @param childIndex index
+     */
+    public void addChildNotification(NotificationListItem childItem, int childIndex) {
+        addChildNotification((ExpandableNotificationRow) childItem.getView(), childIndex);
+    }
+
     public void removeChildNotification(ExpandableNotificationRow row) {
         if (mChildrenContainer != null) {
             mChildrenContainer.removeNotification(row);
@@ -777,6 +791,11 @@
     }
 
     @Override
+    public void removeChildNotification(NotificationListItem child) {
+        removeChildNotification((ExpandableNotificationRow) child.getView());
+    }
+
+    @Override
     public boolean isChildInGroup() {
         return mNotificationParent != null;
     }
@@ -879,7 +898,7 @@
      * @param callback the callback to invoked in case it is not allowed
      * @return whether the list order has changed
      */
-    public boolean applyChildOrder(List<ExpandableNotificationRow> childOrder,
+    public boolean applyChildOrder(List<? extends NotificationListItem> childOrder,
             VisualStabilityManager visualStabilityManager,
             VisualStabilityManager.Callback callback) {
         return mChildrenContainer != null && mChildrenContainer.applyChildOrder(childOrder,
@@ -1274,6 +1293,11 @@
         onChildrenCountChanged();
     }
 
+    @Override
+    public View getView() {
+        return this;
+    }
+
     public void setForceUnlocked(boolean forceUnlocked) {
         mForceUnlocked = forceUnlocked;
         if (mIsSummaryWithChildren) {
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/notification/stack/NotificationChildrenContainer.java b/packages/SystemUI/src/com/android/systemui/statusbar/notification/stack/NotificationChildrenContainer.java
index d7c88e3..2c17764 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/notification/stack/NotificationChildrenContainer.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/notification/stack/NotificationChildrenContainer.java
@@ -412,7 +412,7 @@
      * @param callback
      * @return whether the list order has changed
      */
-    public boolean applyChildOrder(List<ExpandableNotificationRow> childOrder,
+    public boolean applyChildOrder(List<? extends NotificationListItem> childOrder,
             VisualStabilityManager visualStabilityManager,
             VisualStabilityManager.Callback callback) {
         if (childOrder == null) {
@@ -421,7 +421,7 @@
         boolean result = false;
         for (int i = 0; i < mChildren.size() && i < childOrder.size(); i++) {
             ExpandableNotificationRow child = mChildren.get(i);
-            ExpandableNotificationRow desiredChild = childOrder.get(i);
+            ExpandableNotificationRow desiredChild = (ExpandableNotificationRow) childOrder.get(i);
             if (child != desiredChild) {
                 if (visualStabilityManager.canReorderNotification(desiredChild)) {
                     mChildren.remove(desiredChild);
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/notification/stack/NotificationListContainer.java b/packages/SystemUI/src/com/android/systemui/statusbar/notification/stack/NotificationListContainer.java
index 15cc72c..c4a720c 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/notification/stack/NotificationListContainer.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/notification/stack/NotificationListContainer.java
@@ -18,12 +18,14 @@
 
 import static com.android.systemui.statusbar.notification.ActivityLaunchAnimator.ExpandAnimationParameters;
 
+import android.annotation.NonNull;
 import android.view.View;
 import android.view.ViewGroup;
 
 import com.android.systemui.plugins.statusbar.NotificationSwipeActionHelper;
 import com.android.systemui.statusbar.notification.VisibilityLocationProvider;
 import com.android.systemui.statusbar.notification.collection.NotificationEntry;
+import com.android.systemui.statusbar.notification.collection.SimpleNotificationListContainer;
 import com.android.systemui.statusbar.notification.logging.NotificationLogger;
 import com.android.systemui.statusbar.notification.row.ExpandableNotificationRow;
 import com.android.systemui.statusbar.notification.row.ExpandableView;
@@ -33,7 +35,7 @@
  * notification views added and removed from it, and will manage displaying them to the user.
  */
 public interface NotificationListContainer extends ExpandableView.OnHeightChangedListener,
-        VisibilityLocationProvider {
+        VisibilityLocationProvider, SimpleNotificationListContainer {
 
     /**
      * Called when a child is being transferred.
@@ -186,4 +188,10 @@
     }
 
     default void setWillExpand(boolean willExpand) {};
+
+    /**
+     * Remove a list item from the container
+     * @param v the item to remove
+     */
+    void removeListItem(@NonNull NotificationListItem v);
 }
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/notification/stack/NotificationListItem.java b/packages/SystemUI/src/com/android/systemui/statusbar/notification/stack/NotificationListItem.java
new file mode 100644
index 0000000..8991abe
--- /dev/null
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/notification/stack/NotificationListItem.java
@@ -0,0 +1,66 @@
+/*
+ * Copyright (C) 2020 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.systemui.statusbar.notification.stack;
+
+import android.annotation.NonNull;
+import android.annotation.Nullable;
+import android.view.View;
+
+import com.android.systemui.statusbar.notification.VisualStabilityManager;
+import com.android.systemui.statusbar.notification.collection.NotificationEntry;
+
+import java.util.List;
+
+/**
+* A NotificationListItem is a child view of the notification list that can yield a
+* NotificationEntry when asked. I.e., it's an ExpandableNotificationRow but doesn't require us
+* to strictly rely on ExpandableNotificationRow as our consumed type
+ */
+public interface NotificationListItem {
+    /** @return entry for this item */
+    @NonNull
+    NotificationEntry getEntry();
+
+    /** @return true if the blocking helper is showing */
+    boolean isBlockingHelperShowing();
+
+    /** @return true if this list item is a summary with children */
+    boolean isSummaryWithChildren();
+
+    // This generic is kind of ugly - we should change this once the old VHM is gone
+    /** @return list of the children of this item */
+    List<? extends NotificationListItem> getNotificationChildren();
+
+    /** remove all children from this list item */
+    void removeAllChildren();
+
+    /** remove particular child */
+    void removeChildNotification(NotificationListItem child);
+
+    /** add an item as a child */
+    void addChildNotification(NotificationListItem child, int childIndex);
+
+    /** Update the order of the children with the new list */
+    boolean applyChildOrder(
+            List<? extends NotificationListItem> childOrderList,
+            VisualStabilityManager vsm,
+            @Nullable VisualStabilityManager.Callback callback);
+
+    /** return the associated view for this list item */
+    @NonNull
+    View getView();
+}
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/notification/stack/NotificationStackScrollLayout.java b/packages/SystemUI/src/com/android/systemui/statusbar/notification/stack/NotificationStackScrollLayout.java
index cfcbd88..4d4a2ded 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/notification/stack/NotificationStackScrollLayout.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/notification/stack/NotificationStackScrollLayout.java
@@ -3323,11 +3323,21 @@
     }
 
     @Override
+    public void notifyGroupChildRemoved(View child, ViewGroup parent) {
+        notifyGroupChildRemoved((ExpandableView) child, parent);
+    }
+
+    @Override
     @ShadeViewRefactor(RefactorComponent.SHADE_VIEW)
     public void notifyGroupChildAdded(ExpandableView row) {
         onViewAddedInternal(row);
     }
 
+    @Override
+    public void notifyGroupChildAdded(View view) {
+        notifyGroupChildAdded((ExpandableView) view);
+    }
+
     @ShadeViewRefactor(RefactorComponent.STATE_RESOLVER)
     public void setAnimationsEnabled(boolean animationsEnabled) {
         mAnimationsEnabled = animationsEnabled;
@@ -5137,11 +5147,22 @@
 
     @Override
     @ShadeViewRefactor(RefactorComponent.SHADE_VIEW)
+    public void removeListItem(NotificationListItem v) {
+        removeContainerView(v.getView());
+    }
+
+    @Override
+    @ShadeViewRefactor(RefactorComponent.SHADE_VIEW)
     public void addContainerView(View v) {
         Assert.isMainThread();
         addView(v);
     }
 
+    @Override
+    public void addListItem(NotificationListItem v) {
+        addContainerView(v.getView());
+    }
+
     @ShadeViewRefactor(RefactorComponent.SHADE_VIEW)
     public void runAfterAnimationFinished(Runnable runnable) {
         mAnimationFinishedRunnables.add(runnable);
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/phone/NotificationGroupManager.java b/packages/SystemUI/src/com/android/systemui/statusbar/phone/NotificationGroupManager.java
index 77337e9..ccf6707 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/phone/NotificationGroupManager.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/phone/NotificationGroupManager.java
@@ -398,8 +398,7 @@
         NotificationGroup group = mGroupMap.get(groupKey);
         //TODO: see if this can become an Entry
         return group == null ? null
-                : group.summary == null ? null
-                        : group.summary;
+                : group.summary;
     }
 
     /**
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/policy/BatteryController.java b/packages/SystemUI/src/com/android/systemui/statusbar/policy/BatteryController.java
index 24b9685..a81189e 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/policy/BatteryController.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/policy/BatteryController.java
@@ -53,6 +53,16 @@
     boolean isAodPowerSave();
 
     /**
+     * Returns {@code true} if reverse is supported.
+     */
+    default boolean isReverseSupported() { return false; }
+
+    /**
+     * Returns {@code true} if reverse is on.
+     */
+    default boolean isReverseOn() { return false; }
+
+    /**
      * Set reverse state.
      * @param isReverse true if turn on reverse, false otherwise
      */
diff --git a/packages/SystemUI/tests/src/com/android/systemui/qs/QSTileHostTest.java b/packages/SystemUI/tests/src/com/android/systemui/qs/QSTileHostTest.java
index 73f3ddd..95c3e5a 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/qs/QSTileHostTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/qs/QSTileHostTest.java
@@ -86,7 +86,7 @@
     @Mock
     private StatusBarIconController mIconController;
     @Mock
-    private QSFactoryImpl mDefaultFactory;
+    private QSFactory mDefaultFactory;
     @Mock
     private PluginManager mPluginManager;
     @Mock
@@ -295,7 +295,7 @@
 
     private static class TestQSTileHost extends QSTileHost {
         TestQSTileHost(Context context, StatusBarIconController iconController,
-                QSFactoryImpl defaultFactory, Handler mainHandler, Looper bgLooper,
+                QSFactory defaultFactory, Handler mainHandler, Looper bgLooper,
                 PluginManager pluginManager, TunerService tunerService,
                 Provider<AutoTileManager> autoTiles, DumpManager dumpManager,
                 BroadcastDispatcher broadcastDispatcher, StatusBar statusBar, QSLogger qsLogger) {
diff --git a/packages/SystemUI/tests/src/com/android/systemui/qs/external/CustomTileTest.kt b/packages/SystemUI/tests/src/com/android/systemui/qs/external/CustomTileTest.kt
index 58be50e..953198c 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/qs/external/CustomTileTest.kt
+++ b/packages/SystemUI/tests/src/com/android/systemui/qs/external/CustomTileTest.kt
@@ -30,7 +30,7 @@
 import androidx.test.runner.AndroidJUnit4
 import com.android.systemui.SysuiTestCase
 import com.android.systemui.plugins.qs.QSTile
-import com.android.systemui.qs.QSTileHost
+import com.android.systemui.qs.QSHost
 import junit.framework.Assert.assertFalse
 import junit.framework.Assert.assertTrue
 import org.junit.Assert.assertEquals
@@ -56,7 +56,7 @@
         val TILE_SPEC = CustomTile.toSpec(componentName)
     }
 
-    @Mock private lateinit var mTileHost: QSTileHost
+    @Mock private lateinit var mTileHost: QSHost
     @Mock private lateinit var mTileService: IQSTileService
     @Mock private lateinit var mTileServices: TileServices
     @Mock private lateinit var mTileServiceManager: TileServiceManager
diff --git a/packages/SystemUI/tests/src/com/android/systemui/statusbar/NotificationViewHierarchyManagerTest.java b/packages/SystemUI/tests/src/com/android/systemui/statusbar/NotificationViewHierarchyManagerTest.java
index cc5f149..83877f2 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/statusbar/NotificationViewHierarchyManagerTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/statusbar/NotificationViewHierarchyManagerTest.java
@@ -52,6 +52,7 @@
 import com.android.systemui.statusbar.notification.row.NotificationTestHelper;
 import com.android.systemui.statusbar.notification.stack.ForegroundServiceSectionController;
 import com.android.systemui.statusbar.notification.stack.NotificationListContainer;
+import com.android.systemui.statusbar.notification.stack.NotificationListItem;
 import com.android.systemui.statusbar.phone.KeyguardBypassController;
 import com.android.systemui.statusbar.phone.NotificationGroupManager;
 
@@ -285,9 +286,15 @@
         public void notifyGroupChildAdded(ExpandableView row) {}
 
         @Override
+        public void notifyGroupChildAdded(View v) {}
+
+        @Override
         public void notifyGroupChildRemoved(ExpandableView row, ViewGroup childrenContainer) {}
 
         @Override
+        public void notifyGroupChildRemoved(View v, ViewGroup childrenContainer) {}
+
+        @Override
         public void generateAddAnimation(ExpandableView child, boolean fromMoreCard) {}
 
         @Override
@@ -313,12 +320,22 @@
         }
 
         @Override
+        public void removeListItem(NotificationListItem li) {
+            removeContainerView(li.getView());
+        }
+
+        @Override
         public void addContainerView(View v) {
             mLayout.addView(v);
             mRows.add(v);
         }
 
         @Override
+        public void addListItem(NotificationListItem li) {
+            addContainerView(li.getView());
+        }
+
+        @Override
         public void setMaxDisplayedNotifications(int maxNotifications) {
             if (mMakeReentrantCallDuringSetMaxDisplayedNotifications) {
                 mViewHierarchyManager.onDynamicPrivacyChanged();
diff --git a/packages/SystemUI/tests/src/com/android/systemui/statusbar/notification/collection/coordinator/PreparationCoordinatorTest.java b/packages/SystemUI/tests/src/com/android/systemui/statusbar/notification/collection/coordinator/PreparationCoordinatorTest.java
index 792b4d5..6b9e43b 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/statusbar/notification/collection/coordinator/PreparationCoordinatorTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/statusbar/notification/collection/coordinator/PreparationCoordinatorTest.java
@@ -33,6 +33,7 @@
 import com.android.systemui.SysuiTestCase;
 import com.android.systemui.statusbar.notification.collection.NotifInflaterImpl;
 import com.android.systemui.statusbar.notification.collection.NotifPipeline;
+import com.android.systemui.statusbar.notification.collection.NotifViewBarn;
 import com.android.systemui.statusbar.notification.collection.NotificationEntry;
 import com.android.systemui.statusbar.notification.collection.NotificationEntryBuilder;
 import com.android.systemui.statusbar.notification.collection.listbuilder.OnBeforeFinalizeFilterListener;
@@ -86,6 +87,7 @@
                 mock(PreparationCoordinatorLogger.class),
                 mNotifInflater,
                 mErrorManager,
+                mock(NotifViewBarn.class),
                 mService);
 
         ArgumentCaptor<NotifFilter> filterCaptor = ArgumentCaptor.forClass(NotifFilter.class);
diff --git a/services/core/java/com/android/server/ConnectivityService.java b/services/core/java/com/android/server/ConnectivityService.java
index 3a3358c..deae459 100644
--- a/services/core/java/com/android/server/ConnectivityService.java
+++ b/services/core/java/com/android/server/ConnectivityService.java
@@ -7817,7 +7817,7 @@
                 getMatchingPermissionedCallbacks(nai);
         for (final IConnectivityDiagnosticsCallback cb : results) {
             try {
-                cb.onConnectivityReport(report);
+                cb.onConnectivityReportAvailable(report);
             } catch (RemoteException ex) {
                 loge("Error invoking onConnectivityReport", ex);
             }
@@ -7892,8 +7892,15 @@
             return true;
         }
 
-        if (!mLocationPermissionChecker.checkLocationPermission(
-                callbackPackageName, null /* featureId */, callbackUid, null /* message */)) {
+        // LocationPermissionChecker#checkLocationPermission can throw SecurityException if the uid
+        // and package name don't match. Throwing on the CS thread is not acceptable, so wrap the
+        // call in a try-catch.
+        try {
+            if (!mLocationPermissionChecker.checkLocationPermission(
+                    callbackPackageName, null /* featureId */, callbackUid, null /* message */)) {
+                return false;
+            }
+        } catch (SecurityException e) {
             return false;
         }
 
diff --git a/services/core/java/com/android/server/TestNetworkService.java b/services/core/java/com/android/server/TestNetworkService.java
index 35a9802..f772a4a 100644
--- a/services/core/java/com/android/server/TestNetworkService.java
+++ b/services/core/java/com/android/server/TestNetworkService.java
@@ -53,6 +53,7 @@
 import java.net.NetworkInterface;
 import java.net.SocketException;
 import java.util.ArrayList;
+import java.util.List;
 import java.util.Objects;
 import java.util.concurrent.atomic.AtomicInteger;
 
@@ -230,6 +231,7 @@
             @Nullable LinkProperties lp,
             boolean isMetered,
             int callingUid,
+            @NonNull int[] administratorUids,
             @NonNull IBinder binder)
             throws RemoteException, SocketException {
         Objects.requireNonNull(looper, "missing Looper");
@@ -248,6 +250,7 @@
         nc.addCapability(NetworkCapabilities.NET_CAPABILITY_NOT_SUSPENDED);
         nc.addCapability(NetworkCapabilities.NET_CAPABILITY_NOT_RESTRICTED);
         nc.setNetworkSpecifier(new StringNetworkSpecifier(iface));
+        nc.setAdministratorUids(intArrayToList(administratorUids));
         if (!isMetered) {
             nc.addCapability(NetworkCapabilities.NET_CAPABILITY_NOT_METERED);
         }
@@ -290,6 +293,14 @@
         return new TestNetworkAgent(looper, context, ni, nc, lp, callingUid, binder);
     }
 
+    private List<Integer> intArrayToList(@NonNull int[] array) {
+        final List<Integer> list = new ArrayList<>(array.length);
+        for (final int i : array) {
+            list.add(i);
+        }
+        return list;
+    }
+
     /**
      * Sets up a Network with extremely limited privileges, guarded by the MANAGE_TEST_NETWORKS
      * permission.
@@ -301,6 +312,7 @@
             @NonNull String iface,
             @Nullable LinkProperties lp,
             boolean isMetered,
+            @NonNull int[] administratorUids,
             @NonNull IBinder binder) {
         enforceTestNetworkPermissions(mContext);
 
@@ -335,6 +347,7 @@
                                             lp,
                                             isMetered,
                                             callingUid,
+                                            administratorUids,
                                             binder);
 
                             mTestNetworkTracker.put(agent.getNetwork().netId, agent);
diff --git a/services/core/java/com/android/server/am/ActivityManagerService.java b/services/core/java/com/android/server/am/ActivityManagerService.java
index 4485af1..1c225d9 100644
--- a/services/core/java/com/android/server/am/ActivityManagerService.java
+++ b/services/core/java/com/android/server/am/ActivityManagerService.java
@@ -2179,9 +2179,17 @@
 
         @Override
         protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) {
+            if (mActivityManagerService.mOomAdjuster.mCachedAppOptimizer.useFreezer()) {
+                Process.enableFreezer(false);
+            }
+
             if (!DumpUtils.checkDumpAndUsageStatsPermission(mActivityManagerService.mContext,
                     "meminfo", pw)) return;
             PriorityDump.dump(mPriorityDumper, fd, pw, args);
+
+            if (mActivityManagerService.mOomAdjuster.mCachedAppOptimizer.useFreezer()) {
+                Process.enableFreezer(true);
+            }
         }
     }
 
@@ -2193,9 +2201,17 @@
 
         @Override
         protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) {
+            if (mActivityManagerService.mOomAdjuster.mCachedAppOptimizer.useFreezer()) {
+                Process.enableFreezer(false);
+            }
+
             if (!DumpUtils.checkDumpAndUsageStatsPermission(mActivityManagerService.mContext,
                     "gfxinfo", pw)) return;
             mActivityManagerService.dumpGraphicsHardwareUsage(fd, pw, args);
+
+            if (mActivityManagerService.mOomAdjuster.mCachedAppOptimizer.useFreezer()) {
+                Process.enableFreezer(true);
+            }
         }
     }
 
@@ -2207,9 +2223,17 @@
 
         @Override
         protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) {
+            if (mActivityManagerService.mOomAdjuster.mCachedAppOptimizer.useFreezer()) {
+                Process.enableFreezer(false);
+            }
+
             if (!DumpUtils.checkDumpAndUsageStatsPermission(mActivityManagerService.mContext,
                     "dbinfo", pw)) return;
             mActivityManagerService.dumpDbInfo(fd, pw, args);
+
+            if (mActivityManagerService.mOomAdjuster.mCachedAppOptimizer.useFreezer()) {
+                Process.enableFreezer(true);
+            }
         }
     }
 
diff --git a/services/core/java/com/android/server/net/NetworkStatsService.java b/services/core/java/com/android/server/net/NetworkStatsService.java
index cb3da91..4504704 100644
--- a/services/core/java/com/android/server/net/NetworkStatsService.java
+++ b/services/core/java/com/android/server/net/NetworkStatsService.java
@@ -1794,7 +1794,7 @@
         }
     }
 
-    // TODO: It is copied from ConnectivitySerivce, consider refactor these check permission
+    // TODO: It is copied from ConnectivityService, consider refactor these check permission
     //  functions to a proper util.
     private boolean checkAnyPermissionOf(String... permissions) {
         for (String permission : permissions) {
diff --git a/services/core/java/com/android/server/pm/AppsFilter.java b/services/core/java/com/android/server/pm/AppsFilter.java
index 79a4da2..690b9f7 100644
--- a/services/core/java/com/android/server/pm/AppsFilter.java
+++ b/services/core/java/com/android/server/pm/AppsFilter.java
@@ -481,6 +481,12 @@
                         mQueriesViaPackage.add(newPkgSetting.appId, existingSetting.appId);
                     }
                 }
+                // if either package instruments the other, mark both as visible to one another
+                if (pkgInstruments(newPkgSetting, existingSetting)
+                        || pkgInstruments(existingSetting, newPkgSetting)) {
+                    mQueriesViaPackage.add(newPkgSetting.appId, existingSetting.appId);
+                    mQueriesViaPackage.add(existingSetting.appId, newPkgSetting.appId);
+                }
             }
 
             int existingSize = existingSettings.size();
@@ -715,19 +721,6 @@
                 Trace.endSection();
             }
 
-            if (callingPkgSetting != null) {
-                if (callingPkgInstruments(callingPkgSetting, targetPkgSetting, targetName)) {
-                    return false;
-                }
-            } else {
-                for (int i = callingSharedPkgSettings.size() - 1; i >= 0; i--) {
-                    if (callingPkgInstruments(callingSharedPkgSettings.valueAt(i),
-                            targetPkgSetting, targetName)) {
-                        return false;
-                    }
-                }
-            }
-
             try {
                 Trace.beginSection("mOverlayReferenceMapper");
                 if (callingSharedPkgSettings != null) {
@@ -762,16 +755,16 @@
         }
     }
 
-    private static boolean callingPkgInstruments(PackageSetting callingPkgSetting,
-            PackageSetting targetPkgSetting,
-            String targetName) {
+    /** Returns {@code true} if the source package instruments the target package. */
+    private static boolean pkgInstruments(PackageSetting source, PackageSetting target) {
         try {
-            Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "callingPkgInstruments");
-            final List<ParsedInstrumentation> inst = callingPkgSetting.pkg.getInstrumentations();
+            Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "pkgInstruments");
+            final String packageName = target.pkg.getPackageName();
+            final List<ParsedInstrumentation> inst = source.pkg.getInstrumentations();
             for (int i = ArrayUtils.size(inst) - 1; i >= 0; i--) {
-                if (Objects.equals(inst.get(i).getTargetPackage(), targetName)) {
+                if (Objects.equals(inst.get(i).getTargetPackage(), packageName)) {
                     if (DEBUG_LOGGING) {
-                        log(callingPkgSetting, targetPkgSetting, "instrumentation");
+                        log(source, target, "instrumentation");
                     }
                     return true;
                 }
diff --git a/services/core/java/com/android/server/wm/ActivityStack.java b/services/core/java/com/android/server/wm/ActivityStack.java
index 4ebb423..e8bfe8e 100644
--- a/services/core/java/com/android/server/wm/ActivityStack.java
+++ b/services/core/java/com/android/server/wm/ActivityStack.java
@@ -1510,7 +1510,7 @@
      */
     @StackVisibility
     int getVisibility(ActivityRecord starting) {
-        if (!isAttached() || mForceHidden) {
+        if (!isAttached() || isForceHidden()) {
             return STACK_VISIBILITY_INVISIBLE;
         }
 
diff --git a/services/core/java/com/android/server/wm/ActivityStackSupervisor.java b/services/core/java/com/android/server/wm/ActivityStackSupervisor.java
index 6d7f8fb..57f357d 100644
--- a/services/core/java/com/android/server/wm/ActivityStackSupervisor.java
+++ b/services/core/java/com/android/server/wm/ActivityStackSupervisor.java
@@ -75,6 +75,7 @@
 import static com.android.server.wm.RootWindowContainer.MATCH_TASK_IN_STACKS_OR_RECENT_TASKS;
 import static com.android.server.wm.RootWindowContainer.MATCH_TASK_IN_STACKS_OR_RECENT_TASKS_AND_RESTORE;
 import static com.android.server.wm.RootWindowContainer.TAG_STATES;
+import static com.android.server.wm.Task.FLAG_FORCE_HIDDEN_FOR_PINNED_TASK;
 import static com.android.server.wm.Task.LOCK_TASK_AUTH_LAUNCHABLE;
 import static com.android.server.wm.Task.LOCK_TASK_AUTH_LAUNCHABLE_PRIV;
 import static com.android.server.wm.Task.LOCK_TASK_AUTH_WHITELISTED;
@@ -1565,9 +1566,9 @@
              * stopping list by handling the idle.
              */
             stack.cancelAnimation();
-            stack.mForceHidden = true;
+            stack.setForceHidden(FLAG_FORCE_HIDDEN_FOR_PINNED_TASK, true /* set */);
             stack.ensureActivitiesVisible(null, 0, PRESERVE_WINDOWS);
-            stack.mForceHidden = false;
+            stack.setForceHidden(FLAG_FORCE_HIDDEN_FOR_PINNED_TASK, false /* set */);
             activityIdleInternal(null /* idleActivity */, false /* fromTimeout */,
                     true /* processPausingActivities */, null /* configuration */);
 
diff --git a/services/core/java/com/android/server/wm/Task.java b/services/core/java/com/android/server/wm/Task.java
index e78f2ee..f826deb 100644
--- a/services/core/java/com/android/server/wm/Task.java
+++ b/services/core/java/com/android/server/wm/Task.java
@@ -431,7 +431,10 @@
     private boolean mForceShowForAllUsers;
 
     /** When set, will force the task to report as invisible. */
-    boolean mForceHidden = false;
+    static final int FLAG_FORCE_HIDDEN_FOR_PINNED_TASK = 1;
+    static final int FLAG_FORCE_HIDDEN_FOR_TASK_ORG = 1 << 1;
+    private int mForceHiddenFlags = 0;
+
 
     SurfaceControl.Transaction mMainWindowSizeChangeTransaction;
 
@@ -3047,7 +3050,7 @@
      */
     @VisibleForTesting
     boolean isTranslucent(ActivityRecord starting) {
-        if (!isAttached() || mForceHidden) {
+        if (!isAttached() || isForceHidden()) {
             return true;
         }
         final PooledPredicate p = PooledLambda.obtainPredicate(Task::isOpaqueActivity,
@@ -4045,17 +4048,17 @@
             return;
         }
         // Let the old organizer know it has lost control.
-        if (mTaskOrganizer != null) {
-            sendTaskVanished();
-        }
+        sendTaskVanished();
         mTaskOrganizer = organizer;
         sendTaskAppeared();
+        onTaskOrganizerChanged();
     }
 
     // Called on Binder death.
     void taskOrganizerDied() {
         mTaskOrganizer = null;
         mLastTaskOrganizerWindowingMode = -1;
+        onTaskOrganizerChanged();
     }
 
     /**
@@ -4090,6 +4093,14 @@
         mLastTaskOrganizerWindowingMode = windowingMode;
     }
 
+    private void onTaskOrganizerChanged() {
+        if (mTaskOrganizer == null) {
+            // If this task is no longer controlled by a task organizer, then reset the force hidden
+            // state
+            setForceHidden(FLAG_FORCE_HIDDEN_FOR_TASK_ORG, false /* set */);
+        }
+    }
+
     @Override
     void setSurfaceControl(SurfaceControl sc) {
         super.setSurfaceControl(sc);
@@ -4200,6 +4211,31 @@
         c.recycle();
     }
 
+    /**
+     * Sets/unsets the forced-hidden state flag for this task depending on {@param set}.
+     * @return Whether the force hidden state changed
+     */
+    boolean setForceHidden(int flags, boolean set) {
+        int newFlags = mForceHiddenFlags;
+        if (set) {
+            newFlags |= flags;
+        } else {
+            newFlags &= ~flags;
+        }
+        if (mForceHiddenFlags == newFlags) {
+            return false;
+        }
+        mForceHiddenFlags = newFlags;
+        return true;
+    }
+
+    /**
+     * Returns whether this task is currently forced to be hidden for any reason.
+     */
+    protected boolean isForceHidden() {
+        return mForceHiddenFlags != 0;
+    }
+
     @Override
     long getProtoFieldId() {
         return TASK;
diff --git a/services/core/java/com/android/server/wm/TaskOrganizerController.java b/services/core/java/com/android/server/wm/TaskOrganizerController.java
index 9cbc9ee..8f09f3f 100644
--- a/services/core/java/com/android/server/wm/TaskOrganizerController.java
+++ b/services/core/java/com/android/server/wm/TaskOrganizerController.java
@@ -23,6 +23,7 @@
 import static android.app.WindowConfiguration.WINDOWING_MODE_SPLIT_SCREEN_SECONDARY;
 
 import static com.android.server.wm.ActivityStackSupervisor.PRESERVE_WINDOWS;
+import static com.android.server.wm.Task.FLAG_FORCE_HIDDEN_FOR_TASK_ORG;
 import static com.android.server.wm.WindowContainer.POSITION_BOTTOM;
 import static com.android.server.wm.WindowContainer.POSITION_TOP;
 
@@ -475,6 +476,7 @@
         if (!(container instanceof Task)) {
             throw new RuntimeException("Invalid token in task transaction");
         }
+        final Task task = (Task) container;
         // The "client"-facing API should prevent bad changes; however, just in case, sanitize
         // masks here.
         int configMask = change.getConfigSetMask();
@@ -498,6 +500,11 @@
                 effects |= TRANSACT_EFFECTS_LIFECYCLE;
             }
         }
+        if ((change.getChangeMask() & WindowContainerTransaction.Change.CHANGE_HIDDEN) != 0) {
+            if (task.setForceHidden(FLAG_FORCE_HIDDEN_FOR_TASK_ORG, change.getHidden())) {
+                effects |= TRANSACT_EFFECTS_LIFECYCLE;
+            }
+        }
         return effects;
     }
 
diff --git a/services/core/java/com/android/server/wm/TaskSnapshotPersister.java b/services/core/java/com/android/server/wm/TaskSnapshotPersister.java
index 164d3e0..45023ac 100644
--- a/services/core/java/com/android/server/wm/TaskSnapshotPersister.java
+++ b/services/core/java/com/android/server/wm/TaskSnapshotPersister.java
@@ -99,10 +99,10 @@
 
         if (lowResTaskSnapshotScale > 0) {
             mLowResScaleFactor = lowResTaskSnapshotScale / highResTaskSnapshotScale;
-            setEnableLowResSnapshots(true);
+            mEnableLowResSnapshots = true;
         } else {
             mLowResScaleFactor = 0;
-            setEnableLowResSnapshots(false);
+            mEnableLowResSnapshots = false;
         }
 
         mUse16BitFormat = service.mContext.getResources().getBoolean(
@@ -175,14 +175,6 @@
     }
 
     /**
-     * Not to be used. Only here for testing.
-     */
-    @VisibleForTesting
-    void setEnableLowResSnapshots(boolean enabled) {
-        mEnableLowResSnapshots = enabled;
-    }
-
-    /**
      * Return if task snapshots are stored in 16 bit pixel format.
      *
      * @return true if task snapshots are stored in 16 bit pixel format.
@@ -405,7 +397,7 @@
                 return false;
             }
 
-            if (!enableLowResSnapshots()) {
+            if (!mEnableLowResSnapshots) {
                 swBitmap.recycle();
                 return true;
             }
diff --git a/services/tests/servicestests/src/com/android/server/pm/AppsFilterTest.java b/services/tests/servicestests/src/com/android/server/pm/AppsFilterTest.java
index 5d5c714..22591c6 100644
--- a/services/tests/servicestests/src/com/android/server/pm/AppsFilterTest.java
+++ b/services/tests/servicestests/src/com/android/server/pm/AppsFilterTest.java
@@ -31,6 +31,7 @@
 import android.content.pm.Signature;
 import android.content.pm.parsing.ParsingPackage;
 import android.content.pm.parsing.component.ParsedActivity;
+import android.content.pm.parsing.component.ParsedInstrumentation;
 import android.content.pm.parsing.component.ParsedIntentInfo;
 import android.content.pm.parsing.component.ParsedProvider;
 import android.os.Build;
@@ -135,6 +136,13 @@
                 .addActivity(activity);
     }
 
+    private static ParsingPackage pkgWithInstrumentation(
+            String packageName, String instrumentationTargetPackage) {
+        ParsedInstrumentation instrumentation = new ParsedInstrumentation();
+        instrumentation.setTargetPackage(instrumentationTargetPackage);
+        return pkg(packageName).addInstrumentation(instrumentation);
+    }
+
     private static ParsingPackage pkgWithProvider(String packageName, String authority) {
         ParsedProvider provider = new ParsedProvider();
         provider.setPackageName(packageName);
@@ -608,6 +616,25 @@
         assertFalse(appsFilter.shouldFilterApplication(DUMMY_CALLING_UID, calling, target, 0));
     }
 
+    @Test
+    public void testInstrumentation_DoesntFilter() {
+        final AppsFilter appsFilter =
+                new AppsFilter(mFeatureConfigMock, new String[]{}, false, null);
+        appsFilter.onSystemReady();
+
+
+        PackageSetting target = simulateAddPackage(appsFilter, pkg("com.some.package"),
+                DUMMY_TARGET_UID);
+        PackageSetting instrumentation = simulateAddPackage(appsFilter,
+                pkgWithInstrumentation("com.some.other.package", "com.some.package"),
+                DUMMY_CALLING_UID);
+
+        assertFalse(
+                appsFilter.shouldFilterApplication(DUMMY_CALLING_UID, instrumentation, target, 0));
+        assertFalse(
+                appsFilter.shouldFilterApplication(DUMMY_TARGET_UID, target, instrumentation, 0));
+    }
+
     private interface WithSettingBuilder {
         PackageSettingBuilder withBuilder(PackageSettingBuilder builder);
     }
diff --git a/services/tests/wmtests/src/com/android/server/wm/TaskOrganizerTests.java b/services/tests/wmtests/src/com/android/server/wm/TaskOrganizerTests.java
index bc81d5e..8019e9d 100644
--- a/services/tests/wmtests/src/com/android/server/wm/TaskOrganizerTests.java
+++ b/services/tests/wmtests/src/com/android/server/wm/TaskOrganizerTests.java
@@ -278,7 +278,7 @@
     }
 
     @Test
-    public void testContainerChanges() {
+    public void testContainerFocusableChanges() {
         removeGlobalMinSizeRestriction();
         final ActivityStack stack = new ActivityTestsBase.StackBuilder(mWm.mRoot)
                 .setWindowingMode(WINDOWING_MODE_FREEFORM).build();
@@ -288,6 +288,24 @@
         t.setFocusable(stack.mRemoteToken, false);
         mWm.mAtmService.mTaskOrganizerController.applyContainerTransaction(t, null);
         assertFalse(task.isFocusable());
+        t.setFocusable(stack.mRemoteToken, true);
+        mWm.mAtmService.mTaskOrganizerController.applyContainerTransaction(t, null);
+        assertTrue(task.isFocusable());
+    }
+
+    @Test
+    public void testContainerHiddenChanges() {
+        removeGlobalMinSizeRestriction();
+        final ActivityStack stack = new ActivityTestsBase.StackBuilder(mWm.mRoot)
+                .setWindowingMode(WINDOWING_MODE_FREEFORM).build();
+        WindowContainerTransaction t = new WindowContainerTransaction();
+        assertTrue(stack.shouldBeVisible(null));
+        t.setHidden(stack.mRemoteToken, true);
+        mWm.mAtmService.mTaskOrganizerController.applyContainerTransaction(t, null);
+        assertFalse(stack.shouldBeVisible(null));
+        t.setHidden(stack.mRemoteToken, false);
+        mWm.mAtmService.mTaskOrganizerController.applyContainerTransaction(t, null);
+        assertTrue(stack.shouldBeVisible(null));
     }
 
     @Test
diff --git a/services/tests/wmtests/src/com/android/server/wm/TaskSnapshotLowResDisabledTest.java b/services/tests/wmtests/src/com/android/server/wm/TaskSnapshotLowResDisabledTest.java
index 2fb0b4c..8f913dd 100644
--- a/services/tests/wmtests/src/com/android/server/wm/TaskSnapshotLowResDisabledTest.java
+++ b/services/tests/wmtests/src/com/android/server/wm/TaskSnapshotLowResDisabledTest.java
@@ -81,9 +81,9 @@
         assertEquals(TEST_INSETS, snapshot.getContentInsets());
         assertNotNull(snapshot.getSnapshot());
         assertEquals(Configuration.ORIENTATION_PORTRAIT, snapshot.getOrientation());
+        assertNull(mLoader.loadTask(1, mTestUserId, true /* isLowResolution */));
     }
 
-
     @Test
     public void testRemoveObsoleteFiles() {
         mPersister.persistSnapshot(1, mTestUserId, createSnapshot());
@@ -132,10 +132,18 @@
         assertNull(mCache.getSnapshot(window.getTask().mTaskId, mWm.mCurrentUserId,
                 false /* restoreFromDisk */, false /* isLowResolution */));
 
-        // Load it from disk
+        // Attempt to load the low-res snapshot from the disk
         assertNull(mCache.getSnapshot(window.getTask().mTaskId, mWm.mCurrentUserId,
                 true /* restoreFromDisk */, true /* isLowResolution */));
 
+        // Load the high-res (default) snapshot from disk
+        assertNotNull(mCache.getSnapshot(window.getTask().mTaskId, mWm.mCurrentUserId,
+                true /* restoreFromDisk */, false /* isLowResolution */));
+
+        // Make sure it's not in the cache now.
+        assertNull(mCache.getSnapshot(window.getTask().mTaskId, mWm.mCurrentUserId,
+                false /* restoreFromDisk */, true /* isLowResolution */));
+
         // Make sure it's not in the cache now.
         assertNull(mCache.getSnapshot(window.getTask().mTaskId, mWm.mCurrentUserId,
                 false /* restoreFromDisk */, false /* isLowResolution */));
diff --git a/services/tests/wmtests/src/com/android/server/wm/TaskSnapshotPersisterLoaderTest.java b/services/tests/wmtests/src/com/android/server/wm/TaskSnapshotPersisterLoaderTest.java
index 9a9abba..bfee894 100644
--- a/services/tests/wmtests/src/com/android/server/wm/TaskSnapshotPersisterLoaderTest.java
+++ b/services/tests/wmtests/src/com/android/server/wm/TaskSnapshotPersisterLoaderTest.java
@@ -293,35 +293,6 @@
     }
 
     @Test
-    public void testDisabledLowResolutionPersistAndLoadSnapshot() {
-        mPersister.setEnableLowResSnapshots(false);
-
-        TaskSnapshot a = new TaskSnapshotBuilder()
-                .setScaleFraction(0.5f)
-                .setIsLowResolution(true)
-                .build();
-        assertTrue(a.isLowResolution());
-        mPersister.persistSnapshot(1, mTestUserId, a);
-        mPersister.waitForQueueEmpty();
-        final File[] files = new File[]{new File(FILES_DIR.getPath() + "/snapshots/1.proto"),
-                new File(FILES_DIR.getPath() + "/snapshots/1.jpg")};
-        final File[] nonExistsFiles = new File[]{
-                new File(FILES_DIR.getPath() + "/snapshots/1_reduced.jpg"),
-        };
-        assertTrueForFiles(files, File::exists, " must exist");
-        assertTrueForFiles(nonExistsFiles, file -> !file.exists(), " must not exist");
-        final TaskSnapshot snapshot = mLoader.loadTask(1, mTestUserId, false /* isLowResolution */);
-        assertNotNull(snapshot);
-        assertEquals(TEST_INSETS, snapshot.getContentInsets());
-        assertNotNull(snapshot.getSnapshot());
-        assertEquals(Configuration.ORIENTATION_PORTRAIT, snapshot.getOrientation());
-
-        final TaskSnapshot snapshotNotExist = mLoader.loadTask(1, mTestUserId,
-                true /* isLowResolution */);
-        assertNull(snapshotNotExist);
-    }
-
-    @Test
     public void testIsRealSnapshotPersistAndLoadSnapshot() {
         TaskSnapshot a = new TaskSnapshotBuilder()
                 .setIsRealSnapshot(true)
diff --git a/services/tests/wmtests/src/com/android/server/wm/TaskSnapshotPersisterTestBase.java b/services/tests/wmtests/src/com/android/server/wm/TaskSnapshotPersisterTestBase.java
index 6d78658..88de34d 100644
--- a/services/tests/wmtests/src/com/android/server/wm/TaskSnapshotPersisterTestBase.java
+++ b/services/tests/wmtests/src/com/android/server/wm/TaskSnapshotPersisterTestBase.java
@@ -127,7 +127,6 @@
         private static final int SNAPSHOT_HEIGHT = 100;
 
         private float mScaleFraction = 1f;
-        private boolean mIsLowResolution = false;
         private boolean mIsRealSnapshot = true;
         private boolean mIsTranslucent = false;
         private int mWindowingMode = WINDOWING_MODE_FULLSCREEN;
@@ -142,11 +141,6 @@
             return this;
         }
 
-        TaskSnapshotBuilder setIsLowResolution(boolean isLowResolution) {
-            mIsLowResolution = isLowResolution;
-            return this;
-        }
-
         TaskSnapshotBuilder setIsRealSnapshot(boolean isRealSnapshot) {
             mIsRealSnapshot = isRealSnapshot;
             return this;
@@ -186,8 +180,11 @@
             return new TaskSnapshot(MOCK_SNAPSHOT_ID, new ComponentName("", ""), buffer,
                     ColorSpace.get(ColorSpace.Named.SRGB), ORIENTATION_PORTRAIT,
                     mRotation, taskSize, TEST_INSETS,
-                    mIsLowResolution, mIsRealSnapshot,
-                    mWindowingMode, mSystemUiVisibility, mIsTranslucent);
+                    // When building a TaskSnapshot with the Builder class, isLowResolution
+                    // is always false. Low-res snapshots are only created when loading from
+                    // disk.
+                    false /* isLowResolution */,
+                    mIsRealSnapshot, mWindowingMode, mSystemUiVisibility, mIsTranslucent);
         }
     }
 }
diff --git a/tests/net/java/android/net/ConnectivityDiagnosticsManagerTest.java b/tests/net/java/android/net/ConnectivityDiagnosticsManagerTest.java
index 8eb5cfa..1d6c107 100644
--- a/tests/net/java/android/net/ConnectivityDiagnosticsManagerTest.java
+++ b/tests/net/java/android/net/ConnectivityDiagnosticsManagerTest.java
@@ -304,12 +304,12 @@
     }
 
     @Test
-    public void testConnectivityDiagnosticsCallbackOnConnectivityReport() {
-        mBinder.onConnectivityReport(createSampleConnectivityReport());
+    public void testConnectivityDiagnosticsCallbackOnConnectivityReportAvailable() {
+        mBinder.onConnectivityReportAvailable(createSampleConnectivityReport());
 
         // The callback will be invoked synchronously by inline executor. Immediately check the
         // latch without waiting.
-        verify(mCb).onConnectivityReport(eq(createSampleConnectivityReport()));
+        verify(mCb).onConnectivityReportAvailable(eq(createSampleConnectivityReport()));
     }
 
     @Test
diff --git a/tests/net/java/com/android/server/ConnectivityServiceTest.java b/tests/net/java/com/android/server/ConnectivityServiceTest.java
index 671c564..c21772a 100644
--- a/tests/net/java/com/android/server/ConnectivityServiceTest.java
+++ b/tests/net/java/com/android/server/ConnectivityServiceTest.java
@@ -6789,6 +6789,26 @@
     }
 
     @Test
+    public void testCheckConnectivityDiagnosticsPermissionsWrongUidPackageName() throws Exception {
+        final NetworkAgentInfo naiWithoutUid =
+                new NetworkAgentInfo(
+                        null, null, null, null, null, new NetworkCapabilities(), 0,
+                        mServiceContext, null, null, mService, null, null, null, 0);
+
+        mServiceContext.setPermission(android.Manifest.permission.NETWORK_STACK, PERMISSION_DENIED);
+
+        try {
+            assertFalse(
+                    "Mismatched uid/package name should not pass the location permission check",
+                    mService.checkConnectivityDiagnosticsPermissions(
+                            Process.myPid() + 1, Process.myUid() + 1, naiWithoutUid,
+                            mContext.getOpPackageName()));
+        } catch (SecurityException e) {
+            fail("checkConnectivityDiagnosticsPermissions shouldn't surface a SecurityException");
+        }
+    }
+
+    @Test
     public void testCheckConnectivityDiagnosticsPermissionsNoLocationPermission() throws Exception {
         final NetworkAgentInfo naiWithoutUid =
                 new NetworkAgentInfo(
@@ -6894,14 +6914,15 @@
     }
 
     @Test
-    public void testConnectivityDiagnosticsCallbackOnConnectivityReport() throws Exception {
+    public void testConnectivityDiagnosticsCallbackOnConnectivityReportAvailable()
+            throws Exception {
         setUpConnectivityDiagnosticsCallback();
 
         // Block until all other events are done processing.
         HandlerUtilsKt.waitForIdle(mCsHandlerThread, TIMEOUT_MS);
 
         // Verify onConnectivityReport fired
-        verify(mConnectivityDiagnosticsCallback).onConnectivityReport(
+        verify(mConnectivityDiagnosticsCallback).onConnectivityReportAvailable(
                 argThat(report -> {
                     final NetworkCapabilities nc = report.getNetworkCapabilities();
                     return nc.getUids() == null