diff --git a/go/src/com/android/launcher3/model/LoaderResults.java b/go/src/com/android/launcher3/model/LauncherBinder.java
similarity index 82%
rename from go/src/com/android/launcher3/model/LoaderResults.java
rename to go/src/com/android/launcher3/model/LauncherBinder.java
index 5f71061..437d8ca 100644
--- a/go/src/com/android/launcher3/model/LoaderResults.java
+++ b/go/src/com/android/launcher3/model/LauncherBinder.java
@@ -22,11 +22,11 @@
 import com.android.launcher3.model.BgDataModel.Callbacks;
 
 /**
- * Helper class to handle results of {@link com.android.launcher3.model.LoaderTask}.
+ * Binds the results of {@link com.android.launcher3.model.LoaderTask} to the Callbacks objects.
  */
-public class LoaderResults extends BaseLoaderResults {
+public class LauncherBinder extends BaseLauncherBinder {
 
-    public LoaderResults(LauncherAppState app, BgDataModel dataModel,
+    public LauncherBinder(LauncherAppState app, BgDataModel dataModel,
             AllAppsList allAppsList, Callbacks[] callbacks) {
         super(app, dataModel, allAppsList, callbacks, MAIN_EXECUTOR);
     }
diff --git a/quickstep/src/com/android/launcher3/taskbar/TaskbarStashController.java b/quickstep/src/com/android/launcher3/taskbar/TaskbarStashController.java
index c269648..6031b49 100644
--- a/quickstep/src/com/android/launcher3/taskbar/TaskbarStashController.java
+++ b/quickstep/src/com/android/launcher3/taskbar/TaskbarStashController.java
@@ -364,7 +364,12 @@
      * Returns the height that taskbar will be touchable.
      */
     public int getTouchableHeight() {
-        return mIsStashed ? mStashedHeight : mUnstashedHeight;
+        int bottomMargin = 0;
+        if (DisplayController.isTransientTaskbar(mActivity)) {
+            bottomMargin = mActivity.getResources().getDimensionPixelSize(
+                    R.dimen.transient_taskbar_margin);
+        }
+        return mIsStashed ? mStashedHeight : (mUnstashedHeight + bottomMargin);
     }
 
     /**
diff --git a/quickstep/src/com/android/launcher3/uioverrides/QuickstepLauncher.java b/quickstep/src/com/android/launcher3/uioverrides/QuickstepLauncher.java
index 72f321b..cb2d77a 100644
--- a/quickstep/src/com/android/launcher3/uioverrides/QuickstepLauncher.java
+++ b/quickstep/src/com/android/launcher3/uioverrides/QuickstepLauncher.java
@@ -69,9 +69,13 @@
 import android.view.RemoteAnimationTarget;
 import android.view.View;
 import android.view.WindowManagerGlobal;
+import android.window.BackEvent;
+import android.window.OnBackAnimationCallback;
+import android.window.OnBackInvokedDispatcher;
 import android.window.SplashScreen;
 
 import androidx.annotation.BinderThread;
+import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
 
 import com.android.app.viewcapture.ViewCapture;
@@ -105,6 +109,8 @@
 import com.android.launcher3.statemanager.StateManager.StateHandler;
 import com.android.launcher3.taskbar.LauncherTaskbarUIController;
 import com.android.launcher3.taskbar.TaskbarManager;
+import com.android.launcher3.testing.TestLogging;
+import com.android.launcher3.testing.shared.TestProtocol;
 import com.android.launcher3.uioverrides.QuickstepWidgetHolder.QuickstepHolderFactory;
 import com.android.launcher3.uioverrides.states.QuickstepAtomicAnimationFactory;
 import com.android.launcher3.uioverrides.touchcontrollers.NavBarToHomeTouchController;
@@ -623,6 +629,29 @@
         }
     }
 
+    @Override
+    protected void registerBackDispatcher() {
+        getOnBackInvokedDispatcher().registerOnBackInvokedCallback(
+                OnBackInvokedDispatcher.PRIORITY_DEFAULT,
+                new OnBackAnimationCallback() {
+                    @Override
+                    public void onBackInvoked() {
+                        onBackPressed();
+                        TestLogging.recordEvent(TestProtocol.SEQUENCE_MAIN, "onBackInvoked");
+                    }
+
+                    @Override
+                    public void onBackProgressed(@NonNull BackEvent backEvent) {
+                        QuickstepLauncher.this.onBackProgressed(backEvent.getProgress());
+                    }
+
+                    @Override
+                    public void onBackCancelled() {
+                        QuickstepLauncher.this.onBackCancelled();
+                    }
+                });
+    }
+
     private void onTaskbarInAppDisplayProgressUpdate(float progress, int flag) {
         if (mTaskbarManager == null
                 || mTaskbarManager.getCurrentActivityContext() == null
diff --git a/quickstep/src/com/android/quickstep/AbsSwipeUpHandler.java b/quickstep/src/com/android/quickstep/AbsSwipeUpHandler.java
index 8409475..a2adbd7 100644
--- a/quickstep/src/com/android/quickstep/AbsSwipeUpHandler.java
+++ b/quickstep/src/com/android/quickstep/AbsSwipeUpHandler.java
@@ -323,6 +323,7 @@
     private final boolean mIsTransientTaskbar;
     // May be set to false when mIsTransientTaskbar is true.
     private boolean mCanSlowSwipeGoHome = true;
+    private boolean mHasReachedOverviewThreshold = false;
 
     @Nullable
     private RemoteAnimationTargets.ReleaseCheck mSwipePipToHomeReleaseCheck = null;
@@ -765,6 +766,10 @@
 
     private void setIsLikelyToStartNewTask(boolean isLikelyToStartNewTask, boolean animate) {
         if (mIsLikelyToStartNewTask != isLikelyToStartNewTask) {
+            if (isLikelyToStartNewTask && mIsTransientTaskbar) {
+                setDividerShown(false /* shown */, true /* immediate */);
+            }
+
             mIsLikelyToStartNewTask = isLikelyToStartNewTask;
             maybeUpdateRecentsAttachedState(animate);
         }
@@ -1669,7 +1674,9 @@
         mRecentsAnimationController.enableInputConsumer();
 
         // Start hiding the divider
-        setDividerShown(false /* shown */, true /* immediate */);
+        if (!mIsTransientTaskbar || mTaskbarAlreadyOpen || mIsTaskbarAllAppsOpen) {
+            setDividerShown(false /* shown */, true /* immediate */);
+        }
     }
 
     private void computeRecentsScrollIfInvisible() {
@@ -2305,6 +2312,10 @@
 
         // "Catch up" with the displacement at mTaskbarCatchUpThreshold.
         if (displacement < mTaskbarCatchUpThreshold) {
+            if (!mHasReachedOverviewThreshold) {
+                setDividerShown(false /* shown */, true /* immediate */);
+                mHasReachedOverviewThreshold = true;
+            }
             return Utilities.mapToRange(displacement, mTaskbarAppWindowThreshold,
                     mTaskbarCatchUpThreshold, 0, mTaskbarCatchUpThreshold, ACCEL_DEACCEL);
         }
diff --git a/quickstep/src/com/android/quickstep/RecentsAnimationDeviceState.java b/quickstep/src/com/android/quickstep/RecentsAnimationDeviceState.java
index 9e25555..f1c0f3e 100644
--- a/quickstep/src/com/android/quickstep/RecentsAnimationDeviceState.java
+++ b/quickstep/src/com/android/quickstep/RecentsAnimationDeviceState.java
@@ -17,7 +17,6 @@
 
 import static android.app.WindowConfiguration.ACTIVITY_TYPE_UNDEFINED;
 import static android.app.WindowConfiguration.WINDOWING_MODE_PINNED;
-import static android.content.Intent.ACTION_USER_UNLOCKED;
 import static android.view.Display.DEFAULT_DISPLAY;
 
 import static com.android.launcher3.util.DisplayController.CHANGE_ALL;
@@ -50,10 +49,8 @@
 import android.graphics.Region;
 import android.inputmethodservice.InputMethodService;
 import android.net.Uri;
-import android.os.Process;
 import android.os.RemoteException;
 import android.os.SystemProperties;
-import android.os.UserManager;
 import android.provider.Settings;
 import android.view.MotionEvent;
 
@@ -63,9 +60,9 @@
 import com.android.launcher3.util.DisplayController;
 import com.android.launcher3.util.DisplayController.DisplayInfoChangeListener;
 import com.android.launcher3.util.DisplayController.Info;
+import com.android.launcher3.util.LockedUserState;
 import com.android.launcher3.util.NavigationMode;
 import com.android.launcher3.util.SettingsCache;
-import com.android.launcher3.util.SimpleBroadcastReceiver;
 import com.android.quickstep.TopTaskTracker.CachedTaskInfo;
 import com.android.quickstep.util.NavBarPosition;
 import com.android.systemui.shared.system.ActivityManagerWrapper;
@@ -109,15 +106,6 @@
     private final boolean mIsOneHandedModeSupported;
     private boolean mPipIsActive;
 
-    private boolean mIsUserUnlocked;
-    private final ArrayList<Runnable> mUserUnlockedActions = new ArrayList<>();
-    private final SimpleBroadcastReceiver mUserUnlockedReceiver = new SimpleBroadcastReceiver(i -> {
-        if (ACTION_USER_UNLOCKED.equals(i.getAction())) {
-            mIsUserUnlocked = true;
-            notifyUserUnlocked();
-        }
-    });
-
     private int mGestureBlockingTaskId = -1;
     private @NonNull Region mExclusionRegion = new Region();
     private SystemGestureExclusionListenerCompat mExclusionListener;
@@ -143,14 +131,6 @@
             runOnDestroy(mRotationTouchHelper::destroy);
         }
 
-        // Register for user unlocked if necessary
-        mIsUserUnlocked = context.getSystemService(UserManager.class)
-                .isUserUnlocked(Process.myUserHandle());
-        if (!mIsUserUnlocked) {
-            mUserUnlockedReceiver.register(mContext, ACTION_USER_UNLOCKED);
-        }
-        runOnDestroy(() -> mUserUnlockedReceiver.unregisterReceiverSafely(mContext));
-
         // Register for exclusion updates
         mExclusionListener = new SystemGestureExclusionListenerCompat(mDisplayId) {
             @Override
@@ -310,39 +290,12 @@
     }
 
     /**
-     * Adds a callback for when a user is unlocked. If the user is already unlocked, this listener
-     * will be called back immediately.
-     */
-    public void runOnUserUnlocked(Runnable action) {
-        if (mIsUserUnlocked) {
-            action.run();
-        } else {
-            mUserUnlockedActions.add(action);
-        }
-    }
-
-    /**
-     * @return whether the user is unlocked.
-     */
-    public boolean isUserUnlocked() {
-        return mIsUserUnlocked;
-    }
-
-    /**
      * @return whether the user has completed setup wizard
      */
     public boolean isUserSetupComplete() {
         return mIsUserSetupComplete;
     }
 
-    private void notifyUserUnlocked() {
-        for (Runnable action : mUserUnlockedActions) {
-            action.run();
-        }
-        mUserUnlockedActions.clear();
-        mUserUnlockedReceiver.unregisterReceiverSafely(mContext);
-    }
-
     /**
      * Sets the task id where gestures should be blocked
      */
@@ -585,7 +538,7 @@
         pw.println("  assistantAvailable=" + mAssistantAvailable);
         pw.println("  assistantDisabled="
                 + QuickStepContract.isAssistantGestureDisabled(mSystemUiStateFlags));
-        pw.println("  isUserUnlocked=" + mIsUserUnlocked);
+        pw.println("  isUserUnlocked=" + LockedUserState.get(mContext).isUserUnlocked());
         pw.println("  isOneHandedModeEnabled=" + mIsOneHandedModeEnabled);
         pw.println("  isSwipeToNotificationEnabled=" + mIsSwipeToNotificationEnabled);
         pw.println("  deferredGestureRegion=" + mDeferredGestureRegion.getBounds());
diff --git a/quickstep/src/com/android/quickstep/TouchInteractionService.java b/quickstep/src/com/android/quickstep/TouchInteractionService.java
index 5d17cc7..d19f124 100644
--- a/quickstep/src/com/android/quickstep/TouchInteractionService.java
+++ b/quickstep/src/com/android/quickstep/TouchInteractionService.java
@@ -87,6 +87,7 @@
 import com.android.launcher3.tracing.TouchInteractionServiceProto;
 import com.android.launcher3.uioverrides.plugins.PluginManagerWrapper;
 import com.android.launcher3.util.DisplayController;
+import com.android.launcher3.util.LockedUserState;
 import com.android.launcher3.util.OnboardingPrefs;
 import com.android.launcher3.util.TraceHelper;
 import com.android.quickstep.inputconsumers.AccessibilityInputConsumer;
@@ -406,8 +407,8 @@
         mRotationTouchHelper = mDeviceState.getRotationTouchHelper();
 
         // Call runOnUserUnlocked() before any other callbacks to ensure everything is initialized.
-        mDeviceState.runOnUserUnlocked(this::onUserUnlocked);
-        mDeviceState.runOnUserUnlocked(mTaskbarManager::onUserUnlocked);
+        LockedUserState.get(this).runOnUserUnlocked(this::onUserUnlocked);
+        LockedUserState.get(this).runOnUserUnlocked(mTaskbarManager::onUserUnlocked);
         mDeviceState.addNavigationModeChangedCallback(this::onNavigationModeChanged);
 
         ProtoTracer.INSTANCE.get(this).add(this);
@@ -477,7 +478,7 @@
     }
 
     private void resetHomeBounceSeenOnQuickstepEnabledFirstTime() {
-        if (!mDeviceState.isUserUnlocked() || mDeviceState.isButtonNavMode()) {
+        if (!LockedUserState.get(this).isUserUnlocked() || mDeviceState.isButtonNavMode()) {
             // Skip if not yet unlocked (can't read user shared prefs) or if the current navigation
             // mode doesn't have gestures
             return;
@@ -520,7 +521,7 @@
 
     @UiThread
     private void onSystemUiFlagsChanged(int lastSysUIFlags) {
-        if (mDeviceState.isUserUnlocked()) {
+        if (LockedUserState.get(this).isUserUnlocked()) {
             int systemUiStateFlags = mDeviceState.getSystemUiStateFlags();
             SystemUiProxy.INSTANCE.get(this).setLastSystemUiStateFlags(systemUiStateFlags);
             mOverviewComponentObserver.onSystemUiStateChanged();
@@ -565,7 +566,7 @@
 
     @UiThread
     private void onAssistantVisibilityChanged() {
-        if (mDeviceState.isUserUnlocked()) {
+        if (LockedUserState.get(this).isUserUnlocked()) {
             mOverviewComponentObserver.getActivityInterface().onAssistantVisibilityChanged(
                     mDeviceState.getAssistantVisibility());
         }
@@ -575,7 +576,7 @@
     public void onDestroy() {
         Log.d(TAG, "Touch service destroyed: user=" + getUserId());
         sIsInitialized = false;
-        if (mDeviceState.isUserUnlocked()) {
+        if (LockedUserState.get(this).isUserUnlocked()) {
             mInputConsumer.unregisterInputConsumer();
             mOverviewComponentObserver.onDestroy();
         }
@@ -609,7 +610,7 @@
         TestLogging.recordMotionEvent(
                 TestProtocol.SEQUENCE_TIS, "TouchInteractionService.onInputEvent", event);
 
-        if (!mDeviceState.isUserUnlocked()) {
+        if (!LockedUserState.get(this).isUserUnlocked()) {
             return;
         }
 
@@ -631,7 +632,8 @@
                 mGestureState = newGestureState;
                 mConsumer = newConsumer(prevGestureState, mGestureState, event);
                 mUncheckedConsumer = mConsumer;
-            } else if (mDeviceState.isUserUnlocked() && mDeviceState.isFullyGesturalNavMode()
+            } else if (LockedUserState.get(this).isUserUnlocked()
+                    && mDeviceState.isFullyGesturalNavMode()
                     && mDeviceState.canTriggerAssistantAction(event)) {
                 mGestureState = createGestureState(mGestureState);
                 // Do not change mConsumer as if there is an ongoing QuickSwitch gesture, we
@@ -751,7 +753,7 @@
 
         boolean canStartSystemGesture = mDeviceState.canStartSystemGesture();
 
-        if (!mDeviceState.isUserUnlocked()) {
+        if (!LockedUserState.get(this).isUserUnlocked()) {
             CompoundString reasonString = newCompoundString("device locked");
             InputConsumer consumer;
             if (canStartSystemGesture) {
@@ -800,7 +802,7 @@
 
             // If Taskbar is present, we listen for long press to unstash it.
             TaskbarActivityContext tac = mTaskbarManager.getCurrentActivityContext();
-            if (tac != null) {
+            if (tac != null && canStartSystemGesture) {
                 reasonString.append(NEWLINE_PREFIX)
                         .append(reasonPrefix)
                         .append(SUBSTRING_PREFIX)
@@ -1098,7 +1100,7 @@
     }
 
     private void preloadOverview(boolean fromInit, boolean forSUWAllSet) {
-        if (!mDeviceState.isUserUnlocked()) {
+        if (!LockedUserState.get(this).isUserUnlocked()) {
             return;
         }
 
@@ -1130,7 +1132,7 @@
 
     @Override
     public void onConfigurationChanged(Configuration newConfig) {
-        if (!mDeviceState.isUserUnlocked()) {
+        if (!LockedUserState.get(this).isUserUnlocked()) {
             return;
         }
         final BaseActivityInterface activityInterface =
@@ -1171,7 +1173,7 @@
         } else {
             // Dump everything
             FeatureFlags.dump(pw);
-            if (mDeviceState.isUserUnlocked()) {
+            if (LockedUserState.get(this).isUserUnlocked()) {
                 PluginManagerWrapper.INSTANCE.get(getBaseContext()).dump(pw);
             }
             mDeviceState.dump(pw);
diff --git a/quickstep/src/com/android/quickstep/util/BaseDepthController.java b/quickstep/src/com/android/quickstep/util/BaseDepthController.java
index 877e28a..cecf58d 100644
--- a/quickstep/src/com/android/quickstep/util/BaseDepthController.java
+++ b/quickstep/src/com/android/quickstep/util/BaseDepthController.java
@@ -108,7 +108,10 @@
         float depth = mDepth;
         IBinder windowToken = mLauncher.getRootView().getWindowToken();
         if (windowToken != null) {
-            mWallpaperManager.setWallpaperZoomOut(windowToken, depth);
+            // The API's full zoom-out is three times larger than the zoom-out we apply to the
+            // icons. To keep the two consistent throughout the animation while keeping Launcher's
+            // concept of full depth unchanged, we divide the depth by 3 here.
+            mWallpaperManager.setWallpaperZoomOut(windowToken, depth / 3);
         }
 
         if (!BlurUtils.supportsBlursOnWindows()) {
diff --git a/quickstep/src/com/android/quickstep/views/DesktopTaskView.java b/quickstep/src/com/android/quickstep/views/DesktopTaskView.java
index c878278..858f6ab 100644
--- a/quickstep/src/com/android/quickstep/views/DesktopTaskView.java
+++ b/quickstep/src/com/android/quickstep/views/DesktopTaskView.java
@@ -81,6 +81,8 @@
 
     private final ArrayList<CancellableTask<?>> mPendingThumbnailRequests = new ArrayList<>();
 
+    private ShapeDrawable mBackground;
+
     public DesktopTaskView(Context context) {
         this(context, null);
     }
@@ -99,10 +101,11 @@
         float[] outerRadii = new float[8];
         Arrays.fill(outerRadii, getTaskCornerRadius());
         RoundRectShape shape = new RoundRectShape(outerRadii, null, null);
-        ShapeDrawable background = new ShapeDrawable(shape);
-        background.setTint(getResources().getColor(android.R.color.system_neutral2_300));
+        mBackground = new ShapeDrawable(shape);
+        mBackground.setTint(getResources().getColor(android.R.color.system_neutral2_300,
+                getContext().getTheme()));
         // TODO(b/244348395): this should be wallpaper
-        setBackground(background);
+        setBackground(mBackground);
 
         mSnapshotViews.add(mSnapshotView);
     }
@@ -427,6 +430,12 @@
         // TODO(b/249371338): this copies parent implementation and makes it work for N thumbs
         progress = Utilities.boundToRange(progress, 0, 1);
         mFullscreenProgress = progress;
+        if (mFullscreenProgress > 0) {
+            // Don't show background while we are transitioning to/from fullscreen
+            setBackground(null);
+        } else {
+            setBackground(mBackground);
+        }
         for (int i = 0; i < mSnapshotViewMap.size(); i++) {
             TaskThumbnailView thumbnailView = mSnapshotViewMap.valueAt(i);
             thumbnailView.getTaskOverlay().setFullscreenProgress(progress);
diff --git a/quickstep/tests/src/com/android/quickstep/DigitalWellBeingToastTest.java b/quickstep/tests/src/com/android/quickstep/DigitalWellBeingToastTest.java
index 5c2e14f..1129a33 100644
--- a/quickstep/tests/src/com/android/quickstep/DigitalWellBeingToastTest.java
+++ b/quickstep/tests/src/com/android/quickstep/DigitalWellBeingToastTest.java
@@ -46,7 +46,8 @@
             runWithShellPermission(() ->
                     usageStatsManager.registerAppUsageLimitObserver(observerId, packages,
                             Duration.ofSeconds(600), Duration.ofSeconds(300),
-                            PendingIntent.getActivity(mTargetContext, -1, new Intent(),
+                            PendingIntent.getActivity(mTargetContext, -1, new Intent()
+                                            .setPackage(mTargetContext.getPackageName()),
                                     PendingIntent.FLAG_MUTABLE)));
 
             mLauncher.goHome();
diff --git a/src/com/android/launcher3/BaseActivity.java b/src/com/android/launcher3/BaseActivity.java
index 61707df..e71391f 100644
--- a/src/com/android/launcher3/BaseActivity.java
+++ b/src/com/android/launcher3/BaseActivity.java
@@ -176,14 +176,7 @@
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
-        if (Utilities.ATLEAST_T) {
-            getOnBackInvokedDispatcher().registerOnBackInvokedCallback(
-                    OnBackInvokedDispatcher.PRIORITY_DEFAULT,
-                    () -> {
-                        onBackPressed();
-                        TestLogging.recordEvent(TestProtocol.SEQUENCE_MAIN, "onBackInvoked");
-                    });
-        }
+        registerBackDispatcher();
     }
 
     @Override
@@ -246,6 +239,17 @@
 
     }
 
+    protected void registerBackDispatcher() {
+        if (Utilities.ATLEAST_T) {
+            getOnBackInvokedDispatcher().registerOnBackInvokedCallback(
+                    OnBackInvokedDispatcher.PRIORITY_DEFAULT,
+                    () -> {
+                        onBackPressed();
+                        TestLogging.recordEvent(TestProtocol.SEQUENCE_MAIN, "onBackInvoked");
+                    });
+        }
+    }
+
     public boolean isStarted() {
         return (mActivityFlags & ACTIVITY_STATE_STARTED) != 0;
     }
diff --git a/src/com/android/launcher3/Launcher.java b/src/com/android/launcher3/Launcher.java
index 03ddd6a..e9723a5 100644
--- a/src/com/android/launcher3/Launcher.java
+++ b/src/com/android/launcher3/Launcher.java
@@ -120,6 +120,7 @@
 import android.widget.Toast;
 
 import androidx.annotation.CallSuper;
+import androidx.annotation.FloatRange;
 import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
 import androidx.annotation.StringRes;
@@ -2065,6 +2066,14 @@
         mStateManager.getState().onBackPressed(this);
     }
 
+    protected void onBackProgressed(@FloatRange(from = 0.0, to = 1.0) float backProgress) {
+        mStateManager.getState().onBackProgressed(this, backProgress);
+    }
+
+    protected void onBackCancelled() {
+        mStateManager.getState().onBackCancelled(this);
+    }
+
     protected void onScreenOff() {
         // Reset AllApps to its initial state only if we are not in the middle of
         // processing a multi-step drop
diff --git a/src/com/android/launcher3/LauncherModel.java b/src/com/android/launcher3/LauncherModel.java
index 20df897..2c6458b 100644
--- a/src/com/android/launcher3/LauncherModel.java
+++ b/src/com/android/launcher3/LauncherModel.java
@@ -47,7 +47,7 @@
 import com.android.launcher3.model.BgDataModel.Callbacks;
 import com.android.launcher3.model.CacheDataUpdatedTask;
 import com.android.launcher3.model.ItemInstallQueue;
-import com.android.launcher3.model.LoaderResults;
+import com.android.launcher3.model.LauncherBinder;
 import com.android.launcher3.model.LoaderTask;
 import com.android.launcher3.model.ModelDelegate;
 import com.android.launcher3.model.ModelWriter;
@@ -405,22 +405,22 @@
                     MAIN_EXECUTOR.execute(cb::clearPendingBinds);
                 }
 
-                LoaderResults loaderResults = new LoaderResults(
+                LauncherBinder launcherBinder = new LauncherBinder(
                         mApp, mBgDataModel, mBgAllAppsList, callbacksList);
                 if (bindDirectly) {
                     // Divide the set of loaded items into those that we are binding synchronously,
                     // and everything else that is to be bound normally (asynchronously).
-                    loaderResults.bindWorkspace(bindAllCallbacks);
+                    launcherBinder.bindWorkspace(bindAllCallbacks);
                     // For now, continue posting the binding of AllApps as there are other
                     // issues that arise from that.
-                    loaderResults.bindAllApps();
-                    loaderResults.bindDeepShortcuts();
-                    loaderResults.bindWidgets();
+                    launcherBinder.bindAllApps();
+                    launcherBinder.bindDeepShortcuts();
+                    launcherBinder.bindWidgets();
                     return true;
                 } else {
                     stopLoader();
                     mLoaderTask = new LoaderTask(
-                            mApp, mBgAllAppsList, mBgDataModel, mModelDelegate, loaderResults);
+                            mApp, mBgAllAppsList, mBgDataModel, mModelDelegate, launcherBinder);
 
                     // Always post the loader task, instead of running directly
                     // (even on same thread) so that we exit any nested synchronized blocks
diff --git a/src/com/android/launcher3/LauncherState.java b/src/com/android/launcher3/LauncherState.java
index 5dddc6f..b9e4c17 100644
--- a/src/com/android/launcher3/LauncherState.java
+++ b/src/com/android/launcher3/LauncherState.java
@@ -34,6 +34,8 @@
 import android.graphics.Color;
 import android.view.animation.Interpolator;
 
+import androidx.annotation.FloatRange;
+
 import com.android.launcher3.statemanager.BaseState;
 import com.android.launcher3.statemanager.StateManager;
 import com.android.launcher3.states.HintState;
@@ -342,6 +344,27 @@
         }
     }
 
+    /**
+     * Find {@link StateManager} and target {@link LauncherState} to handle back progress in
+     * predictive back gesture.
+     */
+    public void onBackProgressed(
+            Launcher launcher, @FloatRange(from = 0.0, to = 1.0) float backProgress) {
+        StateManager<LauncherState> lsm = launcher.getStateManager();
+        LauncherState toState = lsm.getLastState();
+        lsm.onBackProgressed(toState, backProgress);
+    }
+
+    /**
+     * Find {@link StateManager} and target {@link LauncherState} to handle backProgress in
+     * predictive back gesture.
+     */
+    public void onBackCancelled(Launcher launcher) {
+        StateManager<LauncherState> lsm = launcher.getStateManager();
+        LauncherState toState = lsm.getLastState();
+        lsm.onBackCancelled(toState);
+    }
+
     public static abstract class PageAlphaProvider {
 
         public final Interpolator interpolator;
diff --git a/src/com/android/launcher3/allapps/AllAppsTransitionController.java b/src/com/android/launcher3/allapps/AllAppsTransitionController.java
index 9930abe..24bfedb 100644
--- a/src/com/android/launcher3/allapps/AllAppsTransitionController.java
+++ b/src/com/android/launcher3/allapps/AllAppsTransitionController.java
@@ -15,6 +15,7 @@
  */
 package com.android.launcher3.allapps;
 
+import static com.android.launcher3.LauncherAnimUtils.SCALE_PROPERTY;
 import static com.android.launcher3.LauncherAnimUtils.VIEW_TRANSLATE_Y;
 import static com.android.launcher3.LauncherState.ALL_APPS;
 import static com.android.launcher3.LauncherState.ALL_APPS_CONTENT;
@@ -33,11 +34,15 @@
 import android.view.View;
 import android.view.animation.Interpolator;
 
+import androidx.annotation.FloatRange;
+
 import com.android.launcher3.DeviceProfile;
 import com.android.launcher3.DeviceProfile.OnDeviceProfileChangeListener;
 import com.android.launcher3.Launcher;
 import com.android.launcher3.LauncherState;
+import com.android.launcher3.anim.AnimatedFloat;
 import com.android.launcher3.anim.AnimatorListeners;
+import com.android.launcher3.anim.Interpolators;
 import com.android.launcher3.anim.PendingAnimation;
 import com.android.launcher3.anim.PropertySetter;
 import com.android.launcher3.statemanager.StateManager.StateHandler;
@@ -61,6 +66,8 @@
         implements StateHandler<LauncherState>, OnDeviceProfileChangeListener {
     // This constant should match the second derivative of the animator interpolator.
     public static final float INTERP_COEFF = 1.7f;
+    private static final float SWIPE_ALL_APPS_TO_HOME_MIN_SCALE = 0.9f;
+    private static final int REVERT_SWIPE_ALL_APPS_TO_HOME_ANIMATION_DURATION_MS = 200;
 
     public static final FloatProperty<AllAppsTransitionController> ALL_APPS_PROGRESS =
             new FloatProperty<AllAppsTransitionController>("allAppsProgress") {
@@ -139,6 +146,7 @@
     private ActivityAllAppsContainerView<Launcher> mAppsView;
 
     private final Launcher mLauncher;
+    private final AnimatedFloat mAllAppScale = new AnimatedFloat(this::onScaleProgressChanged);
     private boolean mIsVerticalLayout;
 
     // Whether this class should take care of closing the keyboard.
@@ -232,6 +240,52 @@
         onProgressAnimationEnd();
     }
 
+    @Override
+    public void onBackProgressed(
+            LauncherState toState, @FloatRange(from = 0.0, to = 1.0) float backProgress) {
+        if (!mLauncher.isInState(ALL_APPS) || !NORMAL.equals(toState)) {
+            return;
+        }
+
+        float deceleratedProgress =
+                Interpolators.PREDICTIVE_BACK_DECELERATED_EASE.getInterpolation(backProgress);
+        float scaleProgress = SWIPE_ALL_APPS_TO_HOME_MIN_SCALE
+                + (1 - SWIPE_ALL_APPS_TO_HOME_MIN_SCALE) * (1 - deceleratedProgress);
+
+        mAllAppScale.updateValue(scaleProgress);
+    }
+
+    @Override
+    public void onBackCancelled(LauncherState toState) {
+        if (!mLauncher.isInState(ALL_APPS) || !NORMAL.equals(toState)) {
+            return;
+        }
+
+        // TODO: once ag/20649618 is picked into tm-qpr, we don't need to animate back on cancel
+        // swipe because framework will do that for us in {@link #onBackProgressed}.
+        animateAllAppsToNoScale();
+    }
+
+    private void onScaleProgressChanged() {
+        final float scaleProgress = mAllAppScale.value;
+        SCALE_PROPERTY.set(mLauncher.getAppsView(), scaleProgress);
+        mLauncher.getScrimView().setScrimHeaderScale(scaleProgress);
+
+        AllAppsRecyclerView rv = mLauncher.getAppsView().getActiveRecyclerView();
+        if (rv != null && rv.getScrollbar() != null) {
+            rv.getScrollbar().setVisibility(scaleProgress < 1f ? View.INVISIBLE : View.VISIBLE);
+        }
+
+        // TODO(b/264906511): We need to disable view clipping on all apps' parent views so
+        //  that the extra roll of app icons are displayed.
+    }
+
+    private void animateAllAppsToNoScale() {
+        mAllAppScale.animateToValue(1f)
+                .setDuration(REVERT_SWIPE_ALL_APPS_TO_HOME_ANIMATION_DURATION_MS)
+                .start();
+    }
+
     /**
      * Creates an animation which updates the vertical transition progress and updates all the
      * dependent UI using various animation events
@@ -258,6 +312,8 @@
                 if (config.userControlled && success && mShouldControlKeyboard) {
                     mLauncher.getAppsView().getSearchUiManager().getEditText().hideKeyboard();
                 }
+
+                mAllAppScale.updateValue(1f);
             });
         }
 
diff --git a/src/com/android/launcher3/allapps/BaseAllAppsContainerView.java b/src/com/android/launcher3/allapps/BaseAllAppsContainerView.java
index 00e89ba..4878077 100644
--- a/src/com/android/launcher3/allapps/BaseAllAppsContainerView.java
+++ b/src/com/android/launcher3/allapps/BaseAllAppsContainerView.java
@@ -808,7 +808,7 @@
     }
 
     @Override
-    public void drawOnScrim(Canvas canvas) {
+    public void drawOnScrimWithScale(Canvas canvas, float scale) {
         boolean isTablet = mActivityContext.getDeviceProfile().isTablet;
 
         // Draw full background panel for tablets.
@@ -833,7 +833,9 @@
         if (mHeaderPaint.getColor() == mScrimColor || mHeaderPaint.getColor() == 0) {
             return;
         }
-        int bottom = getHeaderBottom() + getVisibleContainerView().getPaddingTop();
+        final float offset = (getVisibleContainerView().getHeight() * (1 - scale) / 2);
+        final float bottom =
+                scale * (getHeaderBottom() + getVisibleContainerView().getPaddingTop()) + offset;
         FloatingHeaderView headerView = getFloatingHeaderView();
         if (isTablet) {
             // Start adding header protection if search bar or tabs will attach to the top.
diff --git a/src/com/android/launcher3/anim/Interpolators.java b/src/com/android/launcher3/anim/Interpolators.java
index b55a1e4..e886543 100644
--- a/src/com/android/launcher3/anim/Interpolators.java
+++ b/src/com/android/launcher3/anim/Interpolators.java
@@ -56,6 +56,8 @@
 
     public static final Interpolator DECELERATED_EASE = new PathInterpolator(0, 0, .2f, 1f);
     public static final Interpolator ACCELERATED_EASE = new PathInterpolator(0.4f, 0, 1f, 1f);
+    public static final Interpolator PREDICTIVE_BACK_DECELERATED_EASE =
+            new PathInterpolator(0, 0, 0, 1f);
 
     /**
      * The default emphasized interpolator. Used for hero / emphasized movement of content.
diff --git a/src/com/android/launcher3/model/BaseLoaderResults.java b/src/com/android/launcher3/model/BaseLauncherBinder.java
similarity index 95%
rename from src/com/android/launcher3/model/BaseLoaderResults.java
rename to src/com/android/launcher3/model/BaseLauncherBinder.java
index 8c6428b..9f8db51 100644
--- a/src/com/android/launcher3/model/BaseLoaderResults.java
+++ b/src/com/android/launcher3/model/BaseLauncherBinder.java
@@ -47,12 +47,11 @@
 import java.util.concurrent.Executor;
 
 /**
- * Base Helper class to handle results of {@link com.android.launcher3.model.LoaderTask}.
+ * Binds the results of {@link com.android.launcher3.model.LoaderTask} to the Callbacks objects.
  */
-public abstract class BaseLoaderResults {
+public abstract class BaseLauncherBinder {
 
-    protected static final String TAG = "LoaderResults";
-    protected static final int INVALID_SCREEN_ID = -1;
+    protected static final String TAG = "LauncherBinder";
     private static final int ITEMS_CHUNK = 6; // batch size for the workspace icons
 
     protected final LooperExecutor mUiExecutor;
@@ -65,7 +64,7 @@
 
     private int mMyBindingId;
 
-    public BaseLoaderResults(LauncherAppState app, BgDataModel dataModel,
+    public BaseLauncherBinder(LauncherAppState app, BgDataModel dataModel,
             AllAppsList allAppsList, Callbacks[] callbacksList, LooperExecutor uiExecutor) {
         mUiExecutor = uiExecutor;
         mApp = app;
@@ -101,8 +100,14 @@
         }
     }
 
+    /**
+     * BindDeepShortcuts is abstract because it is a no-op for the go launcher.
+     */
     public abstract void bindDeepShortcuts();
 
+    /**
+     * Binds the all apps results from LoaderTask to the callbacks UX.
+     */
     public void bindAllApps() {
         // shallow copy
         AppInfo[] apps = mBgAllAppsList.copyData();
@@ -110,6 +115,9 @@
         executeCallbacksTask(c -> c.bindAllApplications(apps, flags), mUiExecutor);
     }
 
+    /**
+     * bindWidgets is abstract because it is a no-op for the go launcher.
+     */
     public abstract void bindWidgets();
 
     /**
@@ -160,6 +168,9 @@
         });
     }
 
+    /**
+     * Only used in LoaderTask.
+     */
     public LooperIdleLock newIdleLock(Object lock) {
         LooperIdleLock idleLock = new LooperIdleLock(lock, mUiExecutor.getLooper());
         // If we are not binding or if the main looper is already idle, there is no reason to wait
diff --git a/src/com/android/launcher3/model/LoaderTask.java b/src/com/android/launcher3/model/LoaderTask.java
index 1d6971e..46a6a66 100644
--- a/src/com/android/launcher3/model/LoaderTask.java
+++ b/src/com/android/launcher3/model/LoaderTask.java
@@ -125,7 +125,7 @@
 
     private FirstScreenBroadcast mFirstScreenBroadcast;
 
-    private final LoaderResults mResults;
+    private final LauncherBinder mLauncherBinder;
 
     private final LauncherApps mLauncherApps;
     private final UserManager mUserManager;
@@ -145,12 +145,12 @@
     private String mDbName;
 
     public LoaderTask(LauncherAppState app, AllAppsList bgAllAppsList, BgDataModel dataModel,
-            ModelDelegate modelDelegate, LoaderResults results) {
+            ModelDelegate modelDelegate, LauncherBinder launcherBinder) {
         mApp = app;
         mBgAllAppsList = bgAllAppsList;
         mBgDataModel = dataModel;
         mModelDelegate = modelDelegate;
-        mResults = results;
+        mLauncherBinder = launcherBinder;
 
         mLauncherApps = mApp.getContext().getSystemService(LauncherApps.class);
         mUserManager = mApp.getContext().getSystemService(UserManager.class);
@@ -163,7 +163,7 @@
         // Wait until the either we're stopped or the other threads are done.
         // This way we don't start loading all apps until the workspace has settled
         // down.
-        LooperIdleLock idleLock = mResults.newIdleLock(this);
+        LooperIdleLock idleLock = mLauncherBinder.newIdleLock(this);
         // Just in case mFlushingWorkerThread changes but we aren't woken up,
         // wait no longer than 1sec at a time
         while (!mStopped && idleLock.awaitLocked(1000));
@@ -221,7 +221,7 @@
             }
 
             verifyNotStopped();
-            mResults.bindWorkspace(true /* incrementBindId */);
+            mLauncherBinder.bindWorkspace(true /* incrementBindId */);
             logASplit(logger, "bindWorkspace");
 
             mModelDelegate.workspaceLoadComplete();
@@ -245,7 +245,7 @@
             logASplit(logger, "loadAllApps");
 
             verifyNotStopped();
-            mResults.bindAllApps();
+            mLauncherBinder.bindAllApps();
             logASplit(logger, "bindAllApps");
 
             verifyNotStopped();
@@ -271,7 +271,7 @@
             logASplit(logger, "loadDeepShortcuts");
 
             verifyNotStopped();
-            mResults.bindDeepShortcuts();
+            mLauncherBinder.bindDeepShortcuts();
             logASplit(logger, "bindDeepShortcuts");
 
             verifyNotStopped();
@@ -290,7 +290,7 @@
             logASplit(logger, "load widgets");
 
             verifyNotStopped();
-            mResults.bindWidgets();
+            mLauncherBinder.bindWidgets();
             logASplit(logger, "bindWidgets");
             verifyNotStopped();
 
diff --git a/src/com/android/launcher3/statemanager/StateManager.java b/src/com/android/launcher3/statemanager/StateManager.java
index ad1e7f0..34ac8c2 100644
--- a/src/com/android/launcher3/statemanager/StateManager.java
+++ b/src/com/android/launcher3/statemanager/StateManager.java
@@ -28,6 +28,8 @@
 import android.os.Handler;
 import android.os.Looper;
 
+import androidx.annotation.FloatRange;
+
 import com.android.launcher3.anim.AnimationSuccessListener;
 import com.android.launcher3.anim.AnimatorPlaybackController;
 import com.android.launcher3.anim.PendingAnimation;
@@ -195,6 +197,21 @@
         }
     }
 
+    /** Handles backProgress in predictive back gesture by passing it to state handlers. */
+    public void onBackProgressed(
+            STATE_TYPE toState, @FloatRange(from = 0.0, to = 1.0) float backProgress) {
+        for (StateHandler handler : getStateHandlers()) {
+            handler.onBackProgressed(toState, backProgress);
+        }
+    }
+
+    /** Handles back cancelled event in predictive back gesture by passing it to state handlers. */
+    public void onBackCancelled(STATE_TYPE toState) {
+        for (StateHandler handler : getStateHandlers()) {
+            handler.onBackCancelled(toState);
+        }
+    }
+
     private void goToState(
             STATE_TYPE state, boolean animated, long delay, AnimatorListener listener) {
         animated &= areAnimatorsEnabled();
@@ -586,6 +603,13 @@
          */
         void setStateWithAnimation(
                 STATE_TYPE toState, StateAnimationConfig config, PendingAnimation animation);
+
+        /** Handles backProgress in predictive back gesture for target state. */
+        default void onBackProgressed(
+                STATE_TYPE toState, @FloatRange(from = 0.0, to = 1.0) float backProgress) {};
+
+        /** Handles back cancelled event in predictive back gesture for target state.  */
+        default void onBackCancelled(STATE_TYPE toState) {};
     }
 
     public interface StateListener<STATE_TYPE> {
diff --git a/src/com/android/launcher3/touch/AbstractStateChangeTouchController.java b/src/com/android/launcher3/touch/AbstractStateChangeTouchController.java
index 8f7a4ec..c499e35 100644
--- a/src/com/android/launcher3/touch/AbstractStateChangeTouchController.java
+++ b/src/com/android/launcher3/touch/AbstractStateChangeTouchController.java
@@ -32,7 +32,6 @@
 
 import android.animation.Animator.AnimatorListener;
 import android.animation.ValueAnimator;
-import android.util.Log;
 import android.view.MotionEvent;
 
 import com.android.launcher3.Launcher;
@@ -292,11 +291,18 @@
                             ? mToState : mFromState;
             // snap to top or bottom using the release velocity
         } else {
-            float successTransitionProgress =
-                    mLauncher.getDeviceProfile().isTablet
-                            && (mToState == ALL_APPS || mFromState == ALL_APPS)
-                            ? TABLET_BOTTOM_SHEET_SUCCESS_TRANSITION_PROGRESS
-                            : SUCCESS_TRANSITION_PROGRESS;
+            float successTransitionProgress = SUCCESS_TRANSITION_PROGRESS;
+            if (mLauncher.getDeviceProfile().isTablet
+                    && (mToState == ALL_APPS || mFromState == ALL_APPS)) {
+                successTransitionProgress = TABLET_BOTTOM_SHEET_SUCCESS_TRANSITION_PROGRESS;
+            } else if (!mLauncher.getDeviceProfile().isTablet
+                    && mToState == ALL_APPS && mFromState == NORMAL) {
+                successTransitionProgress = AllAppsSwipeController.ALL_APPS_STATE_TRANSITION_MANUAL;
+            } else if (!mLauncher.getDeviceProfile().isTablet
+                    && mToState == NORMAL && mFromState == ALL_APPS) {
+                successTransitionProgress =
+                        1 - AllAppsSwipeController.ALL_APPS_STATE_TRANSITION_MANUAL;
+            }
             targetState =
                     (interpolatedProgress > successTransitionProgress) ? mToState : mFromState;
         }
diff --git a/src/com/android/launcher3/touch/AllAppsSwipeController.java b/src/com/android/launcher3/touch/AllAppsSwipeController.java
index 5279dec..bfd0e1b 100644
--- a/src/com/android/launcher3/touch/AllAppsSwipeController.java
+++ b/src/com/android/launcher3/touch/AllAppsSwipeController.java
@@ -17,7 +17,6 @@
 
 import static com.android.launcher3.LauncherState.ALL_APPS;
 import static com.android.launcher3.LauncherState.NORMAL;
-import static com.android.launcher3.anim.Interpolators.DECELERATED_EASE;
 import static com.android.launcher3.anim.Interpolators.EMPHASIZED;
 import static com.android.launcher3.anim.Interpolators.EMPHASIZED_ACCELERATE;
 import static com.android.launcher3.anim.Interpolators.EMPHASIZED_DECELERATE;
@@ -64,11 +63,14 @@
 
     // ---- Custom interpolators for NORMAL -> ALL_APPS on phones only. ----
 
-    private static final float WORKSPACE_MOTION_START_ATOMIC = 0.1667f;
-    private static final float ALL_APPS_STATE_TRANSITION_ATOMIC = 0.305f;
-    private static final float ALL_APPS_STATE_TRANSITION_MANUAL = 0.4f;
-    private static final float ALL_APPS_FADE_END_ATOMIC = 0.4717f;
+    public static final float ALL_APPS_STATE_TRANSITION_ATOMIC = 0.3333f;
+    public static final float ALL_APPS_STATE_TRANSITION_MANUAL = 0.4f;
+    private static final float ALL_APPS_FADE_END_ATOMIC = 0.8333f;
+    private static final float ALL_APPS_FADE_END_MANUAL = 0.8f;
     private static final float ALL_APPS_FULL_DEPTH_PROGRESS = 0.5f;
+    private static final float SCRIM_FADE_START_ATOMIC = 0.2642f;
+    private static final float SCRIM_FADE_START_MANUAL = 0.117f;
+    private static final float WORKSPACE_MOTION_START_ATOMIC = 0.1667f;
 
     private static final Interpolator LINEAR_EARLY_MANUAL =
             Interpolators.clampToProgress(LINEAR, 0f, ALL_APPS_STATE_TRANSITION_MANUAL);
@@ -98,27 +100,30 @@
     public static final Interpolator HOTSEAT_FADE_ATOMIC = STEP_TRANSITION_ATOMIC;
     public static final Interpolator HOTSEAT_FADE_MANUAL = STEP_TRANSITION_MANUAL;
 
-    public static final Interpolator HOTSEAT_SCALE_ATOMIC = STEP_TRANSITION_ATOMIC;
-    public static final Interpolator HOTSEAT_SCALE_MANUAL = LINEAR_EARLY_MANUAL;
-
-    public static final Interpolator HOTSEAT_TRANSLATE_ATOMIC =
+    public static final Interpolator HOTSEAT_SCALE_ATOMIC =
             Interpolators.clampToProgress(
                     EMPHASIZED_ACCELERATE, WORKSPACE_MOTION_START_ATOMIC,
                     ALL_APPS_STATE_TRANSITION_ATOMIC);
+    public static final Interpolator HOTSEAT_SCALE_MANUAL = LINEAR_EARLY_MANUAL;
+
+    public static final Interpolator HOTSEAT_TRANSLATE_ATOMIC = STEP_TRANSITION_ATOMIC;
     public static final Interpolator HOTSEAT_TRANSLATE_MANUAL = STEP_TRANSITION_MANUAL;
 
     public static final Interpolator SCRIM_FADE_ATOMIC =
             Interpolators.clampToProgress(
                     Interpolators.mapToProgress(LINEAR, 0f, 0.8f),
-                    WORKSPACE_MOTION_START_ATOMIC, ALL_APPS_STATE_TRANSITION_ATOMIC);
-    public static final Interpolator SCRIM_FADE_MANUAL = LINEAR_EARLY_MANUAL;
+                    SCRIM_FADE_START_ATOMIC, ALL_APPS_STATE_TRANSITION_ATOMIC);
+    public static final Interpolator SCRIM_FADE_MANUAL =
+            Interpolators.clampToProgress(
+                    LINEAR, SCRIM_FADE_START_MANUAL, ALL_APPS_STATE_TRANSITION_MANUAL);
 
     public static final Interpolator ALL_APPS_FADE_ATOMIC =
             Interpolators.clampToProgress(
-                    Interpolators.mapToProgress(DECELERATED_EASE, 0.2f, 1f),
+                    Interpolators.mapToProgress(EMPHASIZED_DECELERATE, 0.2f, 1f),
                     ALL_APPS_STATE_TRANSITION_ATOMIC, ALL_APPS_FADE_END_ATOMIC);
     public static final Interpolator ALL_APPS_FADE_MANUAL =
-            Interpolators.clampToProgress(LINEAR, ALL_APPS_STATE_TRANSITION_MANUAL, 1f);
+            Interpolators.clampToProgress(
+                    LINEAR, ALL_APPS_STATE_TRANSITION_MANUAL, ALL_APPS_FADE_END_MANUAL);
 
     public static final Interpolator ALL_APPS_VERTICAL_PROGRESS_ATOMIC =
             Interpolators.clampToProgress(
diff --git a/src/com/android/launcher3/touch/ItemClickHandler.java b/src/com/android/launcher3/touch/ItemClickHandler.java
index b7e0105..64951ca 100644
--- a/src/com/android/launcher3/touch/ItemClickHandler.java
+++ b/src/com/android/launcher3/touch/ItemClickHandler.java
@@ -23,14 +23,14 @@
 import static com.android.launcher3.model.data.ItemInfoWithIcon.FLAG_DISABLED_QUIET_USER;
 import static com.android.launcher3.model.data.ItemInfoWithIcon.FLAG_DISABLED_SAFEMODE;
 import static com.android.launcher3.model.data.ItemInfoWithIcon.FLAG_DISABLED_SUSPENDED;
+import static com.android.launcher3.util.Executors.MAIN_EXECUTOR;
+import static com.android.launcher3.util.Executors.UI_HELPER_EXECUTOR;
 
 import android.app.AlertDialog;
 import android.content.Context;
 import android.content.Intent;
 import android.content.pm.LauncherApps;
 import android.content.pm.PackageInstaller.SessionInfo;
-import android.os.Process;
-import android.os.UserHandle;
 import android.text.TextUtils;
 import android.util.Log;
 import android.view.View;
@@ -66,6 +66,8 @@
 import com.android.launcher3.widget.WidgetManagerHelper;
 
 import java.util.Collections;
+import java.util.concurrent.CompletableFuture;
+import java.util.function.Consumer;
 
 /**
  * Class for handling clicks on workspace and all-apps items
@@ -156,32 +158,18 @@
 
     private static void onClickPendingAppItem(View v, Launcher launcher, String packageName,
             boolean downloadStarted) {
-        if (downloadStarted) {
-            // If the download has started, simply direct to the market app.
-            startMarketIntentForPackage(v, launcher, packageName);
-            return;
-        }
-        UserHandle user = v.getTag() instanceof ItemInfo
-                ? ((ItemInfo) v.getTag()).user : Process.myUserHandle();
-        new AlertDialog.Builder(launcher)
-                .setTitle(R.string.abandoned_promises_title)
-                .setMessage(R.string.abandoned_promise_explanation)
-                .setPositiveButton(R.string.abandoned_search,
-                        (d, i) -> startMarketIntentForPackage(v, launcher, packageName))
-                .setNeutralButton(R.string.abandoned_clean_this,
-                        (d, i) -> launcher.getWorkspace()
-                                .persistRemoveItemsByMatcher(ItemInfoMatcher.ofPackages(
-                                        Collections.singleton(packageName), user),
-                                        "user explicitly removes the promise app icon"))
-                .create().show();
-    }
-
-    private static void startMarketIntentForPackage(View v, Launcher launcher, String packageName) {
         ItemInfo item = (ItemInfo) v.getTag();
+        CompletableFuture<SessionInfo> siFuture;
         if (Utilities.ATLEAST_Q) {
-            SessionInfo sessionInfo = InstallSessionHelper.INSTANCE.get(launcher)
-                    .getActiveSessionInfo(item.user, packageName);
-            if (sessionInfo != null) {
+            siFuture = CompletableFuture.supplyAsync(() ->
+                    InstallSessionHelper.INSTANCE.get(launcher)
+                            .getActiveSessionInfo(item.user, packageName),
+                    UI_HELPER_EXECUTOR);
+        } else {
+            siFuture = CompletableFuture.completedFuture(null);
+        }
+        Consumer<SessionInfo> marketLaunchAction = sessionInfo -> {
+            if (sessionInfo != null && Utilities.ATLEAST_Q) {
                 LauncherApps launcherApps = launcher.getSystemService(LauncherApps.class);
                 try {
                     launcherApps.startPackageInstallerSessionDetailsActivity(sessionInfo, null,
@@ -191,11 +179,27 @@
                     Log.e(TAG, "Unable to launch market intent for package=" + packageName, e);
                 }
             }
-        }
+            // Fallback to using custom market intent.
+            Intent intent = new PackageManagerHelper(launcher).getMarketIntent(packageName);
+            launcher.startActivitySafely(v, intent, item);
+        };
 
-        // Fallback to using custom market intent.
-        Intent intent = new PackageManagerHelper(launcher).getMarketIntent(packageName);
-        launcher.startActivitySafely(v, intent, item);
+        if (downloadStarted) {
+            // If the download has started, simply direct to the market app.
+            siFuture.thenAcceptAsync(marketLaunchAction, MAIN_EXECUTOR);
+            return;
+        }
+        new AlertDialog.Builder(launcher)
+                .setTitle(R.string.abandoned_promises_title)
+                .setMessage(R.string.abandoned_promise_explanation)
+                .setPositiveButton(R.string.abandoned_search,
+                        (d, i) -> siFuture.thenAcceptAsync(marketLaunchAction, MAIN_EXECUTOR))
+                .setNeutralButton(R.string.abandoned_clean_this,
+                        (d, i) -> launcher.getWorkspace()
+                                .persistRemoveItemsByMatcher(ItemInfoMatcher.ofPackages(
+                                        Collections.singleton(packageName), item.user),
+                                        "user explicitly removes the promise app icon"))
+                .create().show();
     }
 
     /**
diff --git a/src/com/android/launcher3/util/LockedUserState.kt b/src/com/android/launcher3/util/LockedUserState.kt
new file mode 100644
index 0000000..7b49583
--- /dev/null
+++ b/src/com/android/launcher3/util/LockedUserState.kt
@@ -0,0 +1,57 @@
+package com.android.launcher3.util
+
+import android.content.Context
+import android.content.Intent
+import android.os.Process
+import android.os.UserManager
+import androidx.annotation.VisibleForTesting
+
+class LockedUserState(private val mContext: Context) : SafeCloseable {
+    var isUserUnlocked: Boolean
+        private set
+    private val mUserUnlockedActions: RunnableList = RunnableList()
+
+    @VisibleForTesting
+    val mUserUnlockedReceiver = SimpleBroadcastReceiver {
+        if (Intent.ACTION_USER_UNLOCKED == it.action) {
+            isUserUnlocked = true
+            notifyUserUnlocked()
+        }
+    }
+
+    init {
+        isUserUnlocked =
+            mContext
+                .getSystemService(UserManager::class.java)!!
+                .isUserUnlocked(Process.myUserHandle())
+        if (isUserUnlocked) {
+            notifyUserUnlocked()
+        } else {
+            mUserUnlockedReceiver.register(mContext, Intent.ACTION_USER_UNLOCKED)
+        }
+    }
+
+    private fun notifyUserUnlocked() {
+        mUserUnlockedActions.executeAllAndDestroy()
+        mUserUnlockedReceiver.unregisterReceiverSafely(mContext)
+    }
+
+    /** Stops the receiver from listening for ACTION_USER_UNLOCK broadcasts. */
+    override fun close() {
+        mUserUnlockedReceiver.unregisterReceiverSafely(mContext)
+    }
+
+    /**
+     * Adds a `Runnable` to be executed when a user is unlocked. If the user is already unlocked,
+     * this runnable will run immediately because RunnableList will already have been destroyed.
+     */
+    fun runOnUserUnlocked(action: Runnable) {
+        mUserUnlockedActions.add(action)
+    }
+
+    companion object {
+        @VisibleForTesting val INSTANCE = MainThreadInitializedObject { LockedUserState(it) }
+
+        @JvmStatic fun get(context: Context): LockedUserState = INSTANCE.get(context)
+    }
+}
diff --git a/src/com/android/launcher3/views/ScrimView.java b/src/com/android/launcher3/views/ScrimView.java
index 4c0bfde..870ff12 100644
--- a/src/com/android/launcher3/views/ScrimView.java
+++ b/src/com/android/launcher3/views/ScrimView.java
@@ -46,6 +46,7 @@
     private int mBackgroundColor;
     private boolean mIsVisible = true;
     private boolean mLastDispatchedOpaqueness;
+    private float mHeaderScale = 1f;
 
     public ScrimView(Context context, AttributeSet attrs) {
         super(context, attrs);
@@ -91,7 +92,16 @@
     protected void onDraw(Canvas canvas) {
         super.onDraw(canvas);
         if (mDrawingController != null) {
-            mDrawingController.drawOnScrim(canvas);
+            mDrawingController.drawOnScrimWithScale(canvas, mHeaderScale);
+        }
+    }
+
+    /** Set scrim header's scale and bottom offset. */
+    public void setScrimHeaderScale(float scale) {
+        boolean hasChanged = mHeaderScale != scale;
+        mHeaderScale = scale;
+        if (hasChanged) {
+            invalidate();
         }
     }
 
@@ -176,6 +186,6 @@
         /**
          * Called inside ScrimView#OnDraw
          */
-        void drawOnScrim(Canvas canvas);
+        void drawOnScrimWithScale(Canvas canvas, float scale);
     }
 }
diff --git a/src_shortcuts_overrides/com/android/launcher3/model/LoaderResults.java b/src_shortcuts_overrides/com/android/launcher3/model/LauncherBinder.java
similarity index 88%
rename from src_shortcuts_overrides/com/android/launcher3/model/LoaderResults.java
rename to src_shortcuts_overrides/com/android/launcher3/model/LauncherBinder.java
index abce2a2..e1a5f24 100644
--- a/src_shortcuts_overrides/com/android/launcher3/model/LoaderResults.java
+++ b/src_shortcuts_overrides/com/android/launcher3/model/LauncherBinder.java
@@ -27,11 +27,11 @@
 import java.util.List;
 
 /**
- * Helper class to handle results of {@link com.android.launcher3.model.LoaderTask}.
+ * Binds the results of {@link com.android.launcher3.model.LoaderTask} to the Callbacks objects.
  */
-public class LoaderResults extends BaseLoaderResults {
+public class LauncherBinder extends BaseLauncherBinder {
 
-    public LoaderResults(LauncherAppState app, BgDataModel dataModel,
+    public LauncherBinder(LauncherAppState app, BgDataModel dataModel,
             AllAppsList allAppsList, Callbacks[] callbacks) {
         super(app, dataModel, allAppsList, callbacks, MAIN_EXECUTOR);
     }
diff --git a/tests/src/com/android/launcher3/ui/widget/RequestPinItemTest.java b/tests/src/com/android/launcher3/ui/widget/RequestPinItemTest.java
index 0db719e..9669010 100644
--- a/tests/src/com/android/launcher3/ui/widget/RequestPinItemTest.java
+++ b/tests/src/com/android/launcher3/ui/widget/RequestPinItemTest.java
@@ -147,7 +147,8 @@
 
         // Set callback
         PendingIntent callback = PendingIntent.getBroadcast(mTargetContext, 0,
-                new Intent(mCallbackAction), FLAG_ONE_SHOT | FLAG_MUTABLE);
+                new Intent(mCallbackAction).setPackage(mTargetContext.getPackageName()),
+                FLAG_ONE_SHOT | FLAG_MUTABLE);
         mTargetContext.sendBroadcast(RequestPinItemActivity.getCommandIntent(
                 RequestPinItemActivity.class, "setCallback").putExtra(
                 RequestPinItemActivity.EXTRA_PARAM + "0", callback));
diff --git a/tests/src/com/android/launcher3/util/LockedUserStateTest.kt b/tests/src/com/android/launcher3/util/LockedUserStateTest.kt
new file mode 100644
index 0000000..84156e7
--- /dev/null
+++ b/tests/src/com/android/launcher3/util/LockedUserStateTest.kt
@@ -0,0 +1,88 @@
+/*
+ * Copyright (C) 2023 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.launcher3.util
+
+import android.content.Context
+import android.content.Intent
+import android.os.Process
+import android.os.UserManager
+import androidx.test.ext.junit.runners.AndroidJUnit4
+import androidx.test.filters.SmallTest
+import com.google.common.truth.Truth.assertThat
+import org.junit.Before
+import org.junit.Test
+import org.junit.runner.RunWith
+import org.mockito.Mock
+import org.mockito.Mockito.verify
+import org.mockito.Mockito.verifyZeroInteractions
+import org.mockito.Mockito.`when`
+import org.mockito.MockitoAnnotations
+
+/** Unit tests for {@link LockedUserUtil} */
+@SmallTest
+@RunWith(AndroidJUnit4::class)
+class LockedUserStateTest {
+
+    @Mock lateinit var userManager: UserManager
+    @Mock lateinit var context: Context
+
+    @Before
+    fun setup() {
+        MockitoAnnotations.initMocks(this)
+        `when`(context.getSystemService(UserManager::class.java)).thenReturn(userManager)
+    }
+
+    @Test
+    fun runOnUserUnlocked_runs_action_immediately_if_already_unlocked() {
+        `when`(userManager.isUserUnlocked(Process.myUserHandle())).thenReturn(true)
+        LockedUserState.INSTANCE.initializeForTesting(LockedUserState(context))
+        val action: Runnable = mock()
+
+        LockedUserState.get(context).runOnUserUnlocked(action)
+        verify(action).run()
+    }
+
+    @Test
+    fun runOnUserUnlocked_waits_to_run_action_until_user_is_unlocked() {
+        `when`(userManager.isUserUnlocked(Process.myUserHandle())).thenReturn(false)
+        LockedUserState.INSTANCE.initializeForTesting(LockedUserState(context))
+        val action: Runnable = mock()
+
+        LockedUserState.get(context).runOnUserUnlocked(action)
+        verifyZeroInteractions(action)
+
+        LockedUserState.get(context)
+            .mUserUnlockedReceiver
+            .onReceive(context, Intent(Intent.ACTION_USER_UNLOCKED))
+
+        verify(action).run()
+    }
+
+    @Test
+    fun isUserUnlocked_returns_true_when_user_is_unlocked() {
+        `when`(userManager.isUserUnlocked(Process.myUserHandle())).thenReturn(true)
+        LockedUserState.INSTANCE.initializeForTesting(LockedUserState(context))
+        assertThat(LockedUserState.get(context).isUserUnlocked).isTrue()
+    }
+
+    @Test
+    fun isUserUnlocked_returns_false_when_user_is_locked() {
+        `when`(userManager.isUserUnlocked(Process.myUserHandle())).thenReturn(false)
+        LockedUserState.INSTANCE.initializeForTesting(LockedUserState(context))
+        assertThat(LockedUserState.get(context).isUserUnlocked).isFalse()
+    }
+}