diff --git a/quickstep/src/com/android/quickstep/LauncherSwipeHandlerV2.java b/quickstep/src/com/android/quickstep/LauncherSwipeHandlerV2.java
index a72935b..af6cb84 100644
--- a/quickstep/src/com/android/quickstep/LauncherSwipeHandlerV2.java
+++ b/quickstep/src/com/android/quickstep/LauncherSwipeHandlerV2.java
@@ -15,10 +15,7 @@
  */
 package com.android.quickstep;
 
-import static com.android.launcher3.LauncherAnimUtils.SCALE_PROPERTY;
-import static com.android.launcher3.LauncherAnimUtils.VIEW_TRANSLATE_Y;
 import static com.android.launcher3.LauncherState.NORMAL;
-import static com.android.launcher3.Utilities.dpToPx;
 import static com.android.launcher3.Utilities.mapBoundToRange;
 import static com.android.launcher3.anim.Interpolators.EXAGGERATED_EASE;
 import static com.android.launcher3.anim.Interpolators.LINEAR;
@@ -26,10 +23,7 @@
 import static com.android.launcher3.views.FloatingIconView.SHAPE_PROGRESS_DURATION;
 import static com.android.launcher3.views.FloatingIconView.getFloatingIconView;
 
-import android.animation.Animator;
-import android.animation.AnimatorListenerAdapter;
 import android.animation.AnimatorSet;
-import android.animation.ValueAnimator;
 import android.content.Context;
 import android.graphics.Rect;
 import android.graphics.RectF;
@@ -42,15 +36,9 @@
 import androidx.annotation.Nullable;
 
 import com.android.launcher3.BaseQuickstepLauncher;
-import com.android.launcher3.Hotseat;
 import com.android.launcher3.LauncherState;
-import com.android.launcher3.R;
-import com.android.launcher3.Workspace;
 import com.android.launcher3.anim.AnimatorPlaybackController;
-import com.android.launcher3.anim.SpringAnimationBuilder;
-import com.android.launcher3.dragndrop.DragLayer;
 import com.android.launcher3.states.StateAnimationConfig;
-import com.android.launcher3.util.DynamicResource;
 import com.android.launcher3.util.ObjectWrapper;
 import com.android.launcher3.views.FloatingIconView;
 import com.android.launcher3.views.FloatingView;
@@ -60,7 +48,6 @@
 import com.android.quickstep.views.FloatingWidgetView;
 import com.android.quickstep.views.RecentsView;
 import com.android.quickstep.views.TaskView;
-import com.android.systemui.plugins.ResourceProvider;
 import com.android.systemui.shared.system.InputConsumerController;
 import com.android.systemui.shared.system.RemoteAnimationTargetCompat;
 
@@ -257,61 +244,15 @@
 
     private class FloatingViewHomeAnimationFactory extends LauncherHomeAnimationFactory {
 
-        private final float mTransY;
         private final FloatingView mFloatingView;
-        private ValueAnimator mBounceBackAnimator;
 
         FloatingViewHomeAnimationFactory(FloatingView floatingView) {
             mFloatingView = floatingView;
-
-            ResourceProvider rp = DynamicResource.provider(mActivity);
-            mTransY = dpToPx(rp.getFloat(R.dimen.swipe_up_trans_y_dp));
-        }
-
-        @Override
-        public boolean shouldPlayAtomicWorkspaceReveal() {
-            return false;
-        }
-
-        protected void bounceBackToRestingPosition() {
-            final float startValue = mTransY;
-            final float endValue = 0;
-            // Ensures the velocity is always aligned with the direction.
-            float pixelPerSecond = Math.abs(mSwipeVelocity) * Math.signum(endValue - mTransY);
-
-            DragLayer dl = mActivity.getDragLayer();
-            Workspace workspace = mActivity.getWorkspace();
-            Hotseat hotseat = mActivity.getHotseat();
-
-            ResourceProvider rp = DynamicResource.provider(mActivity);
-            ValueAnimator springTransY = new SpringAnimationBuilder(dl.getContext())
-                    .setStiffness(rp.getFloat(R.dimen.swipe_up_trans_y_stiffness))
-                    .setDampingRatio(rp.getFloat(R.dimen.swipe_up_trans_y_damping))
-                    .setMinimumVisibleChange(1f)
-                    .setStartValue(startValue)
-                    .setEndValue(endValue)
-                    .setStartVelocity(pixelPerSecond)
-                    .build(dl, VIEW_TRANSLATE_Y);
-            springTransY.addListener(new AnimatorListenerAdapter() {
-                @Override
-                public void onAnimationEnd(Animator animation) {
-                    dl.setTranslationY(0f);
-                    dl.setAlpha(1f);
-                    SCALE_PROPERTY.set(workspace, 1f);
-                    SCALE_PROPERTY.set(hotseat, 1f);
-                }
-            });
-
-            mBounceBackAnimator = springTransY;
-            mBounceBackAnimator.start();
         }
 
         @Override
         public void onCancel() {
             mFloatingView.fastFinish();
-            if (mBounceBackAnimator != null) {
-                mBounceBackAnimator.cancel();
-            }
         }
     }
 
diff --git a/quickstep/src/com/android/quickstep/SwipeUpAnimationLogic.java b/quickstep/src/com/android/quickstep/SwipeUpAnimationLogic.java
index 8e9b668..8d9a685 100644
--- a/quickstep/src/com/android/quickstep/SwipeUpAnimationLogic.java
+++ b/quickstep/src/com/android/quickstep/SwipeUpAnimationLogic.java
@@ -177,10 +177,6 @@
             // No-op
         }
 
-        public boolean shouldPlayAtomicWorkspaceReveal() {
-            return true;
-        }
-
         public void setAnimation(RectFSpringAnim anim) { }
 
         public void update(RectF currentRect, float progress, float radius) { }
diff --git a/quickstep/src/com/android/quickstep/SystemUiProxy.java b/quickstep/src/com/android/quickstep/SystemUiProxy.java
index b428b67..22a30e9 100644
--- a/quickstep/src/com/android/quickstep/SystemUiProxy.java
+++ b/quickstep/src/com/android/quickstep/SystemUiProxy.java
@@ -44,8 +44,9 @@
 import com.android.systemui.shared.recents.ISystemUiProxy;
 import com.android.systemui.shared.recents.model.Task;
 import com.android.systemui.shared.system.RemoteTransitionCompat;
-import com.android.systemui.shared.system.smartspace.ISmartspaceCallback;
-import com.android.systemui.shared.system.smartspace.ISmartspaceTransitionController;
+import com.android.systemui.shared.system.smartspace.ILauncherUnlockAnimationController;
+import com.android.systemui.shared.system.smartspace.ISysuiUnlockAnimationController;
+import com.android.systemui.shared.system.smartspace.SmartspaceState;
 import com.android.wm.shell.onehanded.IOneHanded;
 import com.android.wm.shell.pip.IPip;
 import com.android.wm.shell.pip.IPipAnimationListener;
@@ -73,7 +74,7 @@
 
     private ISystemUiProxy mSystemUiProxy;
     private IPip mPip;
-    private ISmartspaceTransitionController mSmartspaceTransitionController;
+    private ISysuiUnlockAnimationController mSysuiUnlockAnimationController;
     private ISplitScreen mSplitScreen;
     private IOneHanded mOneHanded;
     private IShellTransitions mShellTransitions;
@@ -90,7 +91,7 @@
     private IPipAnimationListener mPipAnimationListener;
     private ISplitScreenListener mSplitScreenListener;
     private IStartingWindowListener mStartingWindowListener;
-    private ISmartspaceCallback mSmartspaceCallback;
+    private ILauncherUnlockAnimationController mPendingLauncherUnlockAnimationController;
     private IRecentTasksListener mRecentTasksListener;
     private final ArrayList<RemoteTransitionCompat> mRemoteTransitions = new ArrayList<>();
 
@@ -157,7 +158,8 @@
     public void setProxy(ISystemUiProxy proxy, IPip pip, ISplitScreen splitScreen,
             IOneHanded oneHanded, IShellTransitions shellTransitions,
             IStartingWindow startingWindow, IRecentTasks recentTasks,
-            ISmartspaceTransitionController smartSpaceTransitionController) {
+            ISysuiUnlockAnimationController sysuiUnlockAnimationController) {
+
         unlinkToDeath();
         mSystemUiProxy = proxy;
         mPip = pip;
@@ -165,7 +167,7 @@
         mOneHanded = oneHanded;
         mShellTransitions = shellTransitions;
         mStartingWindow = startingWindow;
-        mSmartspaceTransitionController = smartSpaceTransitionController;
+        mSysuiUnlockAnimationController = sysuiUnlockAnimationController;
         mRecentTasks = recentTasks;
         linkToDeath();
         // re-attach the listeners once missing due to setProxy has not been initialized yet.
@@ -178,8 +180,10 @@
         if (mStartingWindowListener != null && mStartingWindow != null) {
             setStartingWindowListener(mStartingWindowListener);
         }
-        if (mSmartspaceCallback != null && mSmartspaceTransitionController != null) {
-            setSmartspaceCallback(mSmartspaceCallback);
+        if (mPendingLauncherUnlockAnimationController != null
+                && mSysuiUnlockAnimationController != null) {
+            setLauncherUnlockAnimationController(mPendingLauncherUnlockAnimationController);
+            mPendingLauncherUnlockAnimationController = null;
         }
         for (int i = mRemoteTransitions.size() - 1; i >= 0; --i) {
             registerRemoteTransition(mRemoteTransitions.get(i));
@@ -731,15 +735,42 @@
     // SmartSpace transitions
     //
 
-    public void setSmartspaceCallback(ISmartspaceCallback callback) {
-        if (mSmartspaceTransitionController != null) {
+    /**
+     * Sets the instance of {@link ILauncherUnlockAnimationController} that System UI should use to
+     * control the launcher side of the unlock animation. This will also cause us to dispatch the
+     * current state of the smartspace to System UI (this will subsequently happen if the state
+     * changes).
+     */
+    public void setLauncherUnlockAnimationController(
+            ILauncherUnlockAnimationController controller) {
+        if (mSysuiUnlockAnimationController != null) {
             try {
-                mSmartspaceTransitionController.setSmartspace(callback);
+                mSysuiUnlockAnimationController.setLauncherUnlockController(controller);
+
+                if (controller != null) {
+                    controller.dispatchSmartspaceStateToSysui();
+                }
             } catch (RemoteException e) {
                 Log.w(TAG, "Failed call setStartingWindowListener", e);
             }
+        } else {
+            mPendingLauncherUnlockAnimationController = controller;
         }
-        mSmartspaceCallback = callback;
+    }
+
+    /**
+     * Tells System UI that the Launcher's smartspace state has been updated, so that it can prepare
+     * the unlock animation accordingly.
+     */
+    public void notifySysuiSmartspaceStateUpdated(SmartspaceState state) {
+        if (mSysuiUnlockAnimationController != null) {
+            try {
+                mSysuiUnlockAnimationController.onLauncherSmartspaceStateUpdated(state);
+            } catch (RemoteException e) {
+                Log.w(TAG, "Failed call notifySysuiSmartspaceStateUpdated", e);
+                e.printStackTrace();
+            }
+        }
     }
 
     //
diff --git a/quickstep/src/com/android/quickstep/TouchInteractionService.java b/quickstep/src/com/android/quickstep/TouchInteractionService.java
index d09a5d4..0c34ead 100644
--- a/quickstep/src/com/android/quickstep/TouchInteractionService.java
+++ b/quickstep/src/com/android/quickstep/TouchInteractionService.java
@@ -31,8 +31,8 @@
 import static com.android.systemui.shared.system.QuickStepContract.KEY_EXTRA_SHELL_SHELL_TRANSITIONS;
 import static com.android.systemui.shared.system.QuickStepContract.KEY_EXTRA_SHELL_SPLIT_SCREEN;
 import static com.android.systemui.shared.system.QuickStepContract.KEY_EXTRA_SHELL_STARTING_WINDOW;
-import static com.android.systemui.shared.system.QuickStepContract.KEY_EXTRA_SMARTSPACE_TRANSITION_CONTROLLER;
 import static com.android.systemui.shared.system.QuickStepContract.KEY_EXTRA_SYSUI_PROXY;
+import static com.android.systemui.shared.system.QuickStepContract.KEY_EXTRA_UNLOCK_ANIMATION_CONTROLLER;
 import static com.android.systemui.shared.system.QuickStepContract.SYSUI_STATE_NOTIFICATION_PANEL_EXPANDED;
 import static com.android.systemui.shared.system.QuickStepContract.SYSUI_STATE_TRACING_ENABLED;
 
@@ -105,7 +105,7 @@
 import com.android.systemui.shared.system.InputChannelCompat.InputEventReceiver;
 import com.android.systemui.shared.system.InputConsumerController;
 import com.android.systemui.shared.system.InputMonitorCompat;
-import com.android.systemui.shared.system.smartspace.ISmartspaceTransitionController;
+import com.android.systemui.shared.system.smartspace.ISysuiUnlockAnimationController;
 import com.android.systemui.shared.tracing.ProtoTraceable;
 import com.android.wm.shell.onehanded.IOneHanded;
 import com.android.wm.shell.pip.IPip;
@@ -162,15 +162,15 @@
                     bundle.getBinder(KEY_EXTRA_SHELL_SHELL_TRANSITIONS));
             IStartingWindow startingWindow = IStartingWindow.Stub.asInterface(
                     bundle.getBinder(KEY_EXTRA_SHELL_STARTING_WINDOW));
-            ISmartspaceTransitionController smartspaceTransitionController =
-                    ISmartspaceTransitionController.Stub.asInterface(
-                            bundle.getBinder(KEY_EXTRA_SMARTSPACE_TRANSITION_CONTROLLER));
+            ISysuiUnlockAnimationController launcherUnlockAnimationController =
+                    ISysuiUnlockAnimationController.Stub.asInterface(
+                            bundle.getBinder(KEY_EXTRA_UNLOCK_ANIMATION_CONTROLLER));
             IRecentTasks recentTasks = IRecentTasks.Stub.asInterface(
                     bundle.getBinder(KEY_EXTRA_RECENT_TASKS));
             MAIN_EXECUTOR.execute(() -> {
                 SystemUiProxy.INSTANCE.get(TouchInteractionService.this).setProxy(proxy, pip,
                         splitscreen, onehanded, shellTransitions, startingWindow, recentTasks,
-                        smartspaceTransitionController);
+                        launcherUnlockAnimationController);
                 TouchInteractionService.this.initInputMonitor();
                 preloadOverview(true /* fromInit */);
             });
diff --git a/quickstep/src/com/android/quickstep/util/WorkspaceUnlockAnim.java b/quickstep/src/com/android/quickstep/util/WorkspaceUnlockAnim.java
new file mode 100644
index 0000000..b01447e
--- /dev/null
+++ b/quickstep/src/com/android/quickstep/util/WorkspaceUnlockAnim.java
@@ -0,0 +1,82 @@
+/*
+ * Copyright (C) 2021 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.quickstep.util;
+
+import com.android.launcher3.Launcher;
+import com.android.launcher3.Utilities;
+
+/**
+ * Animation to animate in a workspace during the unlock transition.
+ */
+public class WorkspaceUnlockAnim {
+    /** Scale for the workspace icons at the beginning of the animation. */
+    private static final float START_SCALE = 0.9f;
+
+    /**
+     * Starting translation Y values for the animation. We use a larger value if we're animating in
+     * from a swipe, since there is more perceived upward movement when we unlock from a swipe.
+     */
+    private static final int START_TRANSLATION_DP = 15;
+    private static final int START_TRANSLATION_SWIPE_DP = 60;
+
+    private Launcher mLauncher;
+    private float mUnlockAmount = 0f;
+
+    public WorkspaceUnlockAnim(Launcher launcher) {
+        mLauncher = launcher;
+    }
+
+    /**
+     * Called when we're about to make the Launcher window visible and play the unlock animation.
+     *
+     * This is a blocking call so that System UI knows it's safe to show the Launcher window without
+     * causing the Launcher contents to flicker on screen. Do not do anything expensive here.
+     */
+    public void prepareForUnlock() {
+        mLauncher.getWorkspace().setAlpha(0f);
+        mLauncher.getHotseat().setAlpha(0f);
+
+        mUnlockAmount = 0f;
+    }
+
+    public void setUnlockAmount(float amount, boolean fromSwipe) {
+        mUnlockAmount = amount;
+
+        final float amountInverse = 1f - amount;
+        final float scale = START_SCALE + (1f - START_SCALE) * amount;
+
+        mLauncher.getWorkspace().setScaleX(scale);
+        mLauncher.getWorkspace().setScaleY(scale);
+        mLauncher.getWorkspace().setAlpha(amount);
+        mLauncher.getWorkspace().setPivotToScaleWithSelf(mLauncher.getHotseat());
+
+        mLauncher.getHotseat().setScaleX(scale);
+        mLauncher.getHotseat().setScaleY(scale);
+        mLauncher.getHotseat().setAlpha(amount);
+
+        if (fromSwipe) {
+            mLauncher.getWorkspace().setTranslationY(
+                    Utilities.dpToPx(START_TRANSLATION_SWIPE_DP) * amountInverse);
+            mLauncher.getHotseat().setTranslationY(
+                    Utilities.dpToPx(START_TRANSLATION_SWIPE_DP) * amountInverse);
+        } else {
+            mLauncher.getWorkspace().setTranslationY(
+                    Utilities.dpToPx(START_TRANSLATION_DP) * amountInverse);
+            mLauncher.getHotseat().setTranslationY(
+                    Utilities.dpToPx(START_TRANSLATION_DP) * amountInverse);
+        }
+    }
+}
diff --git a/res/values/config.xml b/res/values/config.xml
index d5629b5..1c996eb 100644
--- a/res/values/config.xml
+++ b/res/values/config.xml
@@ -139,19 +139,9 @@
 
     <item name="swipe_up_scale_start"  type="dimen" format="float">0.88</item>
 
-    <item name="swipe_up_trans_y_dp"  type="dimen" format="float">4.5</item>
-    <item name="swipe_up_trans_y_dp_per_s" type="dimen" format="float">3</item>
-
-    <item name="swipe_up_trans_y_damping" type="dimen" format="float">0.45</item>
-    <item name="swipe_up_trans_y_stiffness" type="dimen" format="float">200</item>
-
     <item name="swipe_up_rect_xy_damping_ratio" type="dimen" format="float">0.8</item>
     <item name="swipe_up_rect_xy_stiffness" type="dimen" format="float">200</item>
 
-    <item name="swipe_up_low_swipe_duration_multiplier"  type="dimen" format="float">1</item>
-
-    <item name="swipe_up_launcher_alpha_max_progress" type="dimen" format="float">0.85</item>
-
     <item name="staggered_damping_ratio" type="dimen" format="float">0.7</item>
     <item name="staggered_stiffness" type="dimen" format="float">150</item>
     <dimen name="unlock_staggered_velocity_dp_per_s">2dp</dimen>
@@ -167,12 +157,6 @@
 
     <array name="dynamic_resources">
         <item>@dimen/swipe_up_scale_start</item>
-        <item>@dimen/swipe_up_trans_y_dp</item>
-        <item>@dimen/swipe_up_trans_y_dp_per_s</item>
-        <item>@dimen/swipe_up_trans_y_damping</item>
-        <item>@dimen/swipe_up_trans_y_stiffness</item>
-        <item>@dimen/swipe_up_launcher_alpha_max_progress</item>
-        <item>@dimen/swipe_up_low_swipe_duration_multiplier</item>
         <item>@dimen/swipe_up_max_velocity</item>
     </array>
 
diff --git a/res/values/dimens.xml b/res/values/dimens.xml
index 167c6b2..e215db9 100644
--- a/res/values/dimens.xml
+++ b/res/values/dimens.xml
@@ -33,6 +33,7 @@
     <dimen name="dynamic_grid_hotseat_top_padding">8dp</dimen>
     <dimen name="dynamic_grid_hotseat_bottom_padding">2dp</dimen>
     <dimen name="dynamic_grid_hotseat_bottom_tall_padding">0dp</dimen>
+    <dimen name="inline_qsb_bottom_margin">0dp</dimen>
 
     <!-- Qsb -->
     <!-- Used for adjusting the position of QSB when placed in hotseat. This is a ratio and a higher
diff --git a/src/com/android/launcher3/DeviceProfile.java b/src/com/android/launcher3/DeviceProfile.java
index a2324ac..bb03b91 100644
--- a/src/com/android/launcher3/DeviceProfile.java
+++ b/src/com/android/launcher3/DeviceProfile.java
@@ -61,6 +61,7 @@
     public final boolean isPhone;
     public final boolean transposeLayoutWithOrientation;
     public final boolean isTwoPanels;
+    public final boolean isQsbInline;
 
     // Device properties in current orientation
     public final boolean isLandscape;
@@ -165,6 +166,7 @@
 
     public final float qsbBottomMarginOriginalPx;
     public int qsbBottomMarginPx;
+    public int qsbWidth; // only used when isQsbInline
 
     // All apps
     public Point allAppsBorderSpacePx;
@@ -247,6 +249,7 @@
         isPhone = !isTablet;
         isTwoPanels = isTablet && useTwoPanels;
 
+
         aspectRatio = ((float) Math.max(widthPx, heightPx)) / Math.min(widthPx, heightPx);
         boolean isTallDevice = Float.compare(aspectRatio, TALL_DEVICE_ASPECT_RATIO_THRESHOLD) >= 0;
         mQsbCenterFactor = context.getResources().getFloat(R.dimen.qsb_center_factor);
@@ -271,7 +274,6 @@
             }
         }
 
-        hotseatQsbHeight = res.getDimensionPixelSize(R.dimen.qsb_widget_height);
         isTaskbarPresent = isTablet && ApiWrapper.TASKBAR_DRAWN_IN_PROCESS
                 && FeatureFlags.ENABLE_TASKBAR.get();
         if (isTaskbarPresent) {
@@ -334,6 +336,8 @@
 
         workspaceCellPaddingXPx = res.getDimensionPixelSize(R.dimen.dynamic_grid_cell_padding_x);
 
+        hotseatQsbHeight = res.getDimensionPixelSize(R.dimen.qsb_widget_height);
+        isQsbInline = isTablet && isLandscape && !isTwoPanels && hotseatQsbHeight > 0;
         numShownHotseatIcons =
                 isTwoPanels ? inv.numDatabaseHotseatIcons : inv.numShownHotseatIcons;
         numShownAllAppsColumns =
@@ -341,10 +345,17 @@
         hotseatBarSizeExtraSpacePx = 0;
         hotseatBarTopPaddingPx =
                 res.getDimensionPixelSize(R.dimen.dynamic_grid_hotseat_top_padding);
-        hotseatBarBottomPaddingPx = (isTallDevice ? res.getDimensionPixelSize(
-                R.dimen.dynamic_grid_hotseat_bottom_tall_padding)
-                : res.getDimensionPixelSize(R.dimen.dynamic_grid_hotseat_bottom_non_tall_padding))
-                + res.getDimensionPixelSize(R.dimen.dynamic_grid_hotseat_bottom_padding);
+        if (isQsbInline) {
+            hotseatBarBottomPaddingPx = res.getDimensionPixelSize(R.dimen.inline_qsb_bottom_margin);
+            qsbWidth = calculateQsbWidth();
+        } else {
+            hotseatBarBottomPaddingPx = (isTallDevice ? res.getDimensionPixelSize(
+                    R.dimen.dynamic_grid_hotseat_bottom_tall_padding)
+                    : res.getDimensionPixelSize(
+                            R.dimen.dynamic_grid_hotseat_bottom_non_tall_padding))
+                    + res.getDimensionPixelSize(R.dimen.dynamic_grid_hotseat_bottom_padding);
+            qsbWidth = 0;
+        }
         hotseatBarSidePaddingEndPx =
                 res.getDimensionPixelSize(R.dimen.dynamic_grid_hotseat_side_padding);
         // Add a bit of space between nav bar and hotseat in vertical bar layout.
@@ -473,6 +484,14 @@
                 new DotRenderer(allAppsIconSizePx, dotPath, DEFAULT_DOT_SIZE);
     }
 
+    private int calculateQsbWidth() {
+        return cellWidthPx * inv.numColumns
+                + cellLayoutBorderSpacePx.x * (inv.numColumns - 1)
+                - (cellWidthPx - iconSizePx) // left and right cell space
+                - iconSizePx * numShownHotseatIcons
+                - hotseatBorderSpace * numShownHotseatIcons;
+    }
+
     private int getHorizontalMarginPx(InvariantDeviceProfile idp, Resources res) {
         if (isVerticalBarLayout()) {
             return 0;
@@ -723,6 +742,11 @@
 
         // Hotseat
         hotseatBorderSpace = pxFromDp(inv.hotseatBorderSpaces[mTypeIndex], mMetrics, scale);
+        if (isQsbInline) {
+            qsbWidth = calculateQsbWidth();
+        } else {
+            qsbWidth = 0;
+        }
         updateHotseatIconSize(iconSizePx);
 
         if (!isVerticalLayout) {
@@ -901,15 +925,24 @@
         } else if (isTaskbarPresent) {
             int hotseatHeight = workspacePadding.bottom;
             int taskbarOffset = getTaskbarOffsetY();
+            int additionalLeftSpace = 0;
+
+            // Center the QSB with hotseat and push icons to the right
+            if (isQsbInline) {
+                additionalLeftSpace = qsbWidth + hotseatBorderSpace;
+            }
+
             int hotseatTopDiff = hotseatHeight - taskbarOffset;
 
             int endOffset = ApiWrapper.getHotseatEndOffset(context);
             int requiredWidth = iconSizePx * numShownHotseatIcons
-                    + hotseatBorderSpace * (numShownHotseatIcons - 1);
+                    + hotseatBorderSpace * (numShownHotseatIcons - 1)
+                    + additionalLeftSpace;
 
             int hotseatSize = Math.min(requiredWidth, availableWidthPx - endOffset);
             int sideSpacing = (availableWidthPx - hotseatSize) / 2;
-            mHotseatPadding.set(sideSpacing, hotseatTopDiff, sideSpacing, taskbarOffset);
+            mHotseatPadding.set(sideSpacing + additionalLeftSpace, hotseatTopDiff, sideSpacing,
+                    taskbarOffset);
 
             if (endOffset > sideSpacing) {
                 int diff = Utilities.isRtl(context.getResources())
@@ -942,6 +975,10 @@
      * Returns the number of pixels the QSB is translated from the bottom of the screen.
      */
     public int getQsbOffsetY() {
+        if (isQsbInline) {
+            return hotseatBarBottomPaddingPx;
+        }
+
         int freeSpace = isTaskbarPresent
                 ? workspacePadding.bottom
                 : hotseatBarSizePx - hotseatCellHeightPx - hotseatQsbHeight;
@@ -959,7 +996,11 @@
      * Returns the number of pixels the taskbar is translated from the bottom of the screen.
      */
     public int getTaskbarOffsetY() {
-        return (getQsbOffsetY() - taskbarSize) / 2;
+        if (isQsbInline) {
+            return getQsbOffsetY() + (Math.abs(hotseatQsbHeight - iconSizePx) / 2);
+        } else {
+            return (getQsbOffsetY() - taskbarSize) / 2;
+        }
     }
 
     /**
@@ -1122,6 +1163,8 @@
         writer.println(prefix + pxToDpStr("hotseatBarSidePaddingEndPx",
                 hotseatBarSidePaddingEndPx));
         writer.println(prefix + "\tnumShownHotseatIcons: " + numShownHotseatIcons);
+        writer.println(prefix + "\tisQsbInline: " + isQsbInline);
+        writer.println(prefix + pxToDpStr("qsbWidth", qsbWidth));
 
         writer.println(prefix + "\tisTaskbarPresent:" + isTaskbarPresent);
         writer.println(prefix + "\tisTaskbarPresentInApps:" + isTaskbarPresentInApps);
diff --git a/src/com/android/launcher3/Hotseat.java b/src/com/android/launcher3/Hotseat.java
index ffe3816..cb0cc11 100644
--- a/src/com/android/launcher3/Hotseat.java
+++ b/src/com/android/launcher3/Hotseat.java
@@ -173,7 +173,10 @@
     protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
         super.onMeasure(widthMeasureSpec, heightMeasureSpec);
 
-        int width = getShortcutsAndWidgets().getMeasuredWidth();
+        int width = mActivity.getDeviceProfile().isQsbInline
+                ? mActivity.getDeviceProfile().qsbWidth
+                : getShortcutsAndWidgets().getMeasuredWidth();
+
         mQsb.measure(MeasureSpec.makeMeasureSpec(width, MeasureSpec.EXACTLY),
                 MeasureSpec.makeMeasureSpec(mQsbHeight, MeasureSpec.EXACTLY));
     }
@@ -183,7 +186,13 @@
         super.onLayout(changed, l, t, r, b);
 
         int qsbWidth = mQsb.getMeasuredWidth();
-        int left = (r - l - qsbWidth) / 2;
+        int left;
+        if (mActivity.getDeviceProfile().isQsbInline) {
+            int qsbSpace = mActivity.getDeviceProfile().hotseatBorderSpace;
+            left = l + getPaddingLeft() - qsbWidth - qsbSpace;
+        } else {
+            left = (r - l - qsbWidth) / 2;
+        }
         int right = left + qsbWidth;
 
         int bottom = b - t - mActivity.getDeviceProfile().getQsbOffsetY();
diff --git a/src/com/android/launcher3/Launcher.java b/src/com/android/launcher3/Launcher.java
index d67d746..3c4ccc6 100644
--- a/src/com/android/launcher3/Launcher.java
+++ b/src/com/android/launcher3/Launcher.java
@@ -2783,6 +2783,17 @@
     }
 
     /**
+     * Informs us that the overlay (-1 screen, typically), has either become visible or invisible.
+     */
+    public void onOverlayVisibilityChanged(boolean visible) {}
+
+    /**
+     * Informs us that the page transition has ended, so that we can react to the newly selected
+     * page if we want to.
+     */
+    public void onPageEndTransition() {}
+
+    /**
      * Add the icons for all apps.
      *
      * Implementation of the method from LauncherModel.Callbacks.
diff --git a/src/com/android/launcher3/ShortcutAndWidgetContainer.java b/src/com/android/launcher3/ShortcutAndWidgetContainer.java
index fec1d68..5583eae 100644
--- a/src/com/android/launcher3/ShortcutAndWidgetContainer.java
+++ b/src/com/android/launcher3/ShortcutAndWidgetContainer.java
@@ -19,6 +19,7 @@
 import static android.view.MotionEvent.ACTION_DOWN;
 
 import static com.android.launcher3.CellLayout.FOLDER;
+import static com.android.launcher3.CellLayout.HOTSEAT;
 import static com.android.launcher3.CellLayout.WORKSPACE;
 
 import android.app.WallpaperManager;
@@ -146,7 +147,8 @@
             // No need to add padding when cell layout border spacing is present.
             boolean noPaddingX =
                     (dp.cellLayoutBorderSpacePx.x > 0 && mContainerType == WORKSPACE)
-                            || (dp.folderCellLayoutBorderSpacePx.x > 0 && mContainerType == FOLDER);
+                            || (dp.folderCellLayoutBorderSpacePx.x > 0 && mContainerType == FOLDER)
+                            || (dp.hotseatBorderSpace > 0 && mContainerType == HOTSEAT);
             int cellPaddingX = noPaddingX
                     ? 0
                     : mContainerType == WORKSPACE
@@ -251,7 +253,7 @@
         CellLayout.LayoutParams lp = (CellLayout.LayoutParams) child.getLayoutParams();
         // While the folder is open, the position of the icon cannot change.
         lp.canReorder = false;
-        if (mContainerType == CellLayout.HOTSEAT) {
+        if (mContainerType == HOTSEAT) {
             CellLayout cl = (CellLayout) getParent();
             cl.setFolderLeaveBehindCell(lp.cellX, lp.cellY);
         }
@@ -260,7 +262,7 @@
     @Override
     public void clearFolderLeaveBehind(FolderIcon child) {
         ((CellLayout.LayoutParams) child.getLayoutParams()).canReorder = true;
-        if (mContainerType == CellLayout.HOTSEAT) {
+        if (mContainerType == HOTSEAT) {
             CellLayout cl = (CellLayout) getParent();
             cl.clearFolderLeaveBehind();
         }
diff --git a/src/com/android/launcher3/Workspace.java b/src/com/android/launcher3/Workspace.java
index 65006ff..b3ff38f 100644
--- a/src/com/android/launcher3/Workspace.java
+++ b/src/com/android/launcher3/Workspace.java
@@ -1135,6 +1135,10 @@
             stripEmptyScreens();
             mStripScreensOnPageStopMoving = false;
         }
+
+        // Inform the Launcher activity that the page transition ended so that it can react to the
+        // newly visible page if it wants to.
+        mLauncher.onPageEndTransition();
     }
 
     public void setLauncherOverlay(LauncherOverlay overlay) {
@@ -1211,6 +1215,10 @@
                         .log(LAUNCHER_SWIPELEFT);
             }
             mOverlayShown = true;
+
+            // Let the Launcher activity know that the overlay is now visible.
+            mLauncher.onOverlayVisibilityChanged(mOverlayShown);
+
             // Not announcing the overlay page for accessibility since it announces itself.
         } else if (Float.compare(scroll, 0f) == 0) {
             if (mOverlayShown) {
@@ -1234,6 +1242,10 @@
                 announcePageForAccessibility();
             }
             mOverlayShown = false;
+
+            // Let the Launcher activity know that the overlay is no longer visible.
+            mLauncher.onOverlayVisibilityChanged(mOverlayShown);
+
             tryRunOverlayCallback();
         }
 
diff --git a/src/com/android/launcher3/statemanager/StatefulActivity.java b/src/com/android/launcher3/statemanager/StatefulActivity.java
index e036943..b45c97b 100644
--- a/src/com/android/launcher3/statemanager/StatefulActivity.java
+++ b/src/com/android/launcher3/statemanager/StatefulActivity.java
@@ -152,7 +152,7 @@
     /**
      * Called if the Activity UI changed while the activity was not visible
      */
-    protected void onUiChangedWhileSleeping() { }
+    public void onUiChangedWhileSleeping() { }
 
     private void handleDeferredResume() {
         if (hasBeenResumed() && !getStateManager().getState().hasFlag(FLAG_NON_INTERACTIVE)) {
diff --git a/tests/Android.bp b/tests/Android.bp
index 8def20f..f3e0500 100644
--- a/tests/Android.bp
+++ b/tests/Android.bp
@@ -23,7 +23,10 @@
 // Source code used for test
 filegroup {
     name: "launcher-tests-src",
-    srcs: ["src/**/*.java"],
+    srcs: [
+      "src/**/*.java",
+      "src/**/*.kt"
+    ],
 }
 
 // Source code used for oop test helpers
diff --git a/tests/src/com/android/launcher3/DeviceProfileTest.kt b/tests/src/com/android/launcher3/DeviceProfileTest.kt
new file mode 100644
index 0000000..6c99a21
--- /dev/null
+++ b/tests/src/com/android/launcher3/DeviceProfileTest.kt
@@ -0,0 +1,192 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.android.launcher3
+
+import android.content.Context
+import android.graphics.PointF
+import androidx.test.core.app.ApplicationProvider
+import androidx.test.ext.junit.runners.AndroidJUnit4
+import androidx.test.filters.SmallTest
+import com.android.launcher3.util.DisplayController.Info
+import com.android.launcher3.util.WindowBounds
+import com.google.common.truth.Truth.assertThat
+import org.junit.Before
+import org.junit.Test
+import org.junit.runner.RunWith
+import org.mockito.Mockito.*
+
+@SmallTest
+@RunWith(AndroidJUnit4::class)
+class DeviceProfileTest {
+
+    private var context: Context? = null
+    private var inv: InvariantDeviceProfile? = null
+    private var info: Info = mock(Info::class.java)
+    private var windowBounds: WindowBounds? = null
+    private var isMultiWindowMode: Boolean = false
+    private var transposeLayoutWithOrientation: Boolean = false
+    private var useTwoPanels: Boolean = false
+
+    @Before
+    fun setUp() {
+        context = ApplicationProvider.getApplicationContext()
+        // make sure to reset values
+        useTwoPanels = false
+    }
+
+    @Test
+    fun qsbWidth_is_match_parent_for_phones() {
+        initializeVarsForPhone()
+
+        val dp = DeviceProfile(
+            context,
+            inv,
+            info,
+            windowBounds,
+            isMultiWindowMode,
+            transposeLayoutWithOrientation,
+            useTwoPanels
+        )
+
+        assertThat(dp.isQsbInline).isFalse()
+        assertThat(dp.qsbWidth).isEqualTo(0)
+    }
+
+    @Test
+    fun qsbWidth_is_match_parent_for_tablet_portrait() {
+        initializeVarsForTablet()
+
+        val dp = DeviceProfile(
+            context,
+            inv,
+            info,
+            windowBounds,
+            isMultiWindowMode,
+            transposeLayoutWithOrientation,
+            useTwoPanels
+        )
+
+        assertThat(dp.isQsbInline).isFalse()
+        assertThat(dp.qsbWidth).isEqualTo(0)
+    }
+
+    @Test
+    fun qsbWidth_has_size_for_tablet_landscape() {
+        initializeVarsForTablet(true)
+
+        val dp = DeviceProfile(
+            context,
+            inv,
+            info,
+            windowBounds,
+            isMultiWindowMode,
+            transposeLayoutWithOrientation,
+            useTwoPanels
+        )
+
+        if (dp.hotseatQsbHeight > 0) {
+            assertThat(dp.isQsbInline).isTrue()
+            assertThat(dp.qsbWidth).isGreaterThan(0)
+        } else {
+            assertThat(dp.isQsbInline).isFalse()
+            assertThat(dp.qsbWidth).isEqualTo(0)
+        }
+    }
+
+    /**
+     * This test is to make sure that two panels don't inline the QSB as tablets do
+     */
+    @Test
+    fun qsbWidth_is_match_parent_for_two_panel_landscape() {
+        initializeVarsForTablet(true)
+        useTwoPanels = true
+
+        val dp = DeviceProfile(
+            context,
+            inv,
+            info,
+            windowBounds,
+            isMultiWindowMode,
+            transposeLayoutWithOrientation,
+            useTwoPanels
+        )
+
+        assertThat(dp.isQsbInline).isFalse()
+        assertThat(dp.qsbWidth).isEqualTo(0)
+    }
+
+    private fun initializeVarsForPhone(isLandscape: Boolean = false) {
+        val (x, y) = if (isLandscape)
+            Pair(3120, 1440)
+        else
+            Pair(1440, 3120)
+
+        windowBounds = WindowBounds(x, y, x, y - 100)
+
+        `when`(info.isTablet(any())).thenReturn(false)
+
+        scalableInvariantDeviceProfile()
+    }
+
+    private fun initializeVarsForTablet(isLandscape: Boolean = false) {
+        val (x, y) = if (isLandscape)
+            Pair(2560, 1600)
+        else
+            Pair(1600, 2560)
+
+        windowBounds = WindowBounds(x, y, x, y - 100)
+
+        `when`(info.isTablet(any())).thenReturn(true)
+
+        scalableInvariantDeviceProfile()
+    }
+
+    /**
+     * A very generic grid, just to make qsb tests work. For real calculations, make sure to use
+     * values that better represent a real grid.
+     */
+    private fun scalableInvariantDeviceProfile() {
+        inv = InvariantDeviceProfile().apply {
+            isScalable = true
+            numColumns = 5
+            numRows = 5
+            horizontalMargin = FloatArray(4) { 22f }
+            borderSpaces = listOf(
+                PointF(16f, 16f),
+                PointF(16f, 16f),
+                PointF(16f, 16f),
+                PointF(16f, 16f)
+            ).toTypedArray()
+            allAppsBorderSpaces = listOf(
+                PointF(16f, 16f),
+                PointF(16f, 16f),
+                PointF(16f, 16f),
+                PointF(16f, 16f)
+            ).toTypedArray()
+            hotseatBorderSpaces = FloatArray(4) { 16f }
+            iconSize = FloatArray(4) { 56f }
+            allAppsIconSize = FloatArray(4) { 56f }
+            iconTextSize = FloatArray(4) { 14f }
+            allAppsIconTextSize = FloatArray(4) { 14f }
+            minCellSize = listOf(
+                PointF(64f, 83f),
+                PointF(64f, 83f),
+                PointF(64f, 83f),
+                PointF(64f, 83f)
+            ).toTypedArray()
+        }
+    }
+}
\ No newline at end of file
diff --git a/tests/src/com/android/launcher3/ui/widget/RequestPinItemTest.java b/tests/src/com/android/launcher3/ui/widget/RequestPinItemTest.java
index ccbb662..0c1f0cd 100644
--- a/tests/src/com/android/launcher3/ui/widget/RequestPinItemTest.java
+++ b/tests/src/com/android/launcher3/ui/widget/RequestPinItemTest.java
@@ -42,6 +42,7 @@
 import com.android.launcher3.util.LauncherBindableItemsContainer.ItemOperator;
 import com.android.launcher3.util.Wait;
 import com.android.launcher3.util.Wait.Condition;
+import com.android.launcher3.util.rule.ScreenRecordRule.ScreenRecord;
 import com.android.launcher3.util.rule.ShellCommandRule;
 
 import org.junit.Before;
@@ -77,6 +78,7 @@
     public void testEmpty() throws Throwable { /* needed while the broken tests are being fixed */ }
 
     @Test
+    @ScreenRecord // b/215673732
     public void testPinWidgetNoConfig() throws Throwable {
         runTest("pinWidgetNoConfig", true, (info, view) -> info instanceof LauncherAppWidgetInfo &&
                 ((LauncherAppWidgetInfo) info).appWidgetId == mAppWidgetId &&
@@ -85,6 +87,7 @@
     }
 
     @Test
+    @ScreenRecord // b/215673732
     public void testPinWidgetNoConfig_customPreview() throws Throwable {
         // Command to set custom preview
         Intent command = RequestPinItemActivity.getCommandIntent(
@@ -98,6 +101,7 @@
     }
 
     @Test
+    @ScreenRecord // b/215673732
     public void testPinWidgetWithConfig() throws Throwable {
         runTest("pinWidgetWithConfig", true,
                 (info, view) -> info instanceof LauncherAppWidgetInfo &&