diff --git a/quickstep/res/values/config.xml b/quickstep/res/values/config.xml
index 3b4a28b..198a676 100644
--- a/quickstep/res/values/config.xml
+++ b/quickstep/res/values/config.xml
@@ -43,4 +43,9 @@
     <!-- Accessibility actions -->
     <item type="id" name="action_move_to_top_or_left" />
     <item type="id" name="action_move_to_bottom_or_right" />
+
+    <!-- The max scale for the wallpaper when it's zoomed in -->
+    <item name="config_wallpaperMaxScale" format="float" type="dimen">
+        @*android:dimen/config_wallpaperMaxScale
+    </item>
 </resources>
diff --git a/quickstep/src/com/android/launcher3/QuickstepTransitionManager.java b/quickstep/src/com/android/launcher3/QuickstepTransitionManager.java
index 521b3fe..3d251d4 100644
--- a/quickstep/src/com/android/launcher3/QuickstepTransitionManager.java
+++ b/quickstep/src/com/android/launcher3/QuickstepTransitionManager.java
@@ -42,7 +42,7 @@
 import static com.android.launcher3.config.FeatureFlags.KEYGUARD_ANIMATION;
 import static com.android.launcher3.config.FeatureFlags.SEPARATE_RECENTS_ACTIVITY;
 import static com.android.launcher3.model.data.ItemInfo.NO_MATCHING_ID;
-import static com.android.launcher3.statehandlers.DepthController.DEPTH;
+import static com.android.launcher3.statehandlers.DepthController.STATE_DEPTH;
 import static com.android.launcher3.util.window.RefreshRateTracker.getSingleFrameMs;
 import static com.android.launcher3.views.FloatingIconView.SHAPE_PROGRESS_DURATION;
 import static com.android.launcher3.views.FloatingIconView.getFloatingIconView;
@@ -119,6 +119,8 @@
 import com.android.quickstep.util.RectFSpringAnim;
 import com.android.quickstep.util.RemoteAnimationProvider;
 import com.android.quickstep.util.StaggeredWorkspaceAnim;
+import com.android.quickstep.util.SurfaceTransaction;
+import com.android.quickstep.util.SurfaceTransaction.SurfaceProperties;
 import com.android.quickstep.util.SurfaceTransactionApplier;
 import com.android.quickstep.util.WorkspaceRevealAnim;
 import com.android.quickstep.views.FloatingWidgetView;
@@ -133,7 +135,6 @@
 import com.android.systemui.shared.system.RemoteAnimationRunnerCompat;
 import com.android.systemui.shared.system.RemoteAnimationTargetCompat;
 import com.android.systemui.shared.system.RemoteTransitionCompat;
-import com.android.systemui.shared.system.SyncRtSurfaceTransactionApplierCompat.SurfaceParams;
 import com.android.systemui.shared.system.WindowManagerWrapper;
 import com.android.wm.shell.startingsurface.IStartingWindowListener;
 
@@ -384,7 +385,7 @@
                 @Override
                 public void onAnimationStart(Animator animation) {
                     mLauncher.addOnResumeCallback(() ->
-                            ObjectAnimator.ofFloat(mLauncher.getDepthController(), DEPTH,
+                            ObjectAnimator.ofFloat(mLauncher.getDepthController(), STATE_DEPTH,
                                     mLauncher.getStateManager().getState().getDepth(
                                             mLauncher)).start());
                 }
@@ -408,7 +409,7 @@
             @Override
             public void onAnimationStart(Animator animation) {
                 mLauncher.addOnResumeCallback(() ->
-                        ObjectAnimator.ofFloat(mLauncher.getDepthController(), DEPTH,
+                        ObjectAnimator.ofFloat(mLauncher.getDepthController(), STATE_DEPTH,
                                 mLauncher.getStateManager().getState().getDepth(
                                         mLauncher)).start());
             }
@@ -811,10 +812,11 @@
                     return;
                 }
 
-                ArrayList<SurfaceParams> params = new ArrayList<>();
+                SurfaceTransaction transaction = new SurfaceTransaction();
+
                 for (int i = appTargets.length - 1; i >= 0; i--) {
                     RemoteAnimationTargetCompat target = appTargets[i];
-                    SurfaceParams.Builder builder = new SurfaceParams.Builder(target.leash);
+                    SurfaceProperties builder = transaction.forSurface(target.leash);
 
                     if (target.mode == MODE_OPENING) {
                         matrix.setScale(scale, scale);
@@ -835,11 +837,11 @@
 
                         floatingView.update(mIconAlpha.value, 255, floatingIconBounds, percent, 0f,
                                 mWindowRadius.value * scale, true /* isOpening */);
-                        builder.withMatrix(matrix)
-                                .withWindowCrop(crop)
-                                .withAlpha(1f - mIconAlpha.value)
-                                .withCornerRadius(mWindowRadius.value)
-                                .withShadowRadius(mShadowRadius.value);
+                        builder.setMatrix(matrix)
+                                .setWindowCrop(crop)
+                                .setAlpha(1f - mIconAlpha.value)
+                                .setCornerRadius(mWindowRadius.value)
+                                .setShadowRadius(mShadowRadius.value);
                     } else if (target.mode == MODE_CLOSING) {
                         if (target.localBounds != null) {
                             final Rect localBounds = target.localBounds;
@@ -859,29 +861,26 @@
                             tmpPos.y = tmp;
                         }
                         matrix.setTranslate(tmpPos.x, tmpPos.y);
-                        builder.withMatrix(matrix)
-                                .withWindowCrop(crop)
-                                .withAlpha(1f);
+                        builder.setMatrix(matrix)
+                                .setWindowCrop(crop)
+                                .setAlpha(1f);
                     }
-                    params.add(builder.build());
                 }
 
                 if (navBarTarget != null) {
-                    final SurfaceParams.Builder navBuilder =
-                            new SurfaceParams.Builder(navBarTarget.leash);
+                    SurfaceProperties navBuilder =
+                            transaction.forSurface(navBarTarget.leash);
                     if (mNavFadeIn.value > mNavFadeIn.getStartValue()) {
                         matrix.setScale(scale, scale);
                         matrix.postTranslate(windowTransX0, windowTransY0);
-                        navBuilder.withMatrix(matrix)
-                                .withWindowCrop(crop)
-                                .withAlpha(mNavFadeIn.value);
+                        navBuilder.setMatrix(matrix)
+                                .setWindowCrop(crop)
+                                .setAlpha(mNavFadeIn.value);
                     } else {
-                        navBuilder.withAlpha(mNavFadeOut.value);
+                        navBuilder.setAlpha(mNavFadeOut.value);
                     }
-                    params.add(navBuilder.build());
                 }
-
-                surfaceApplier.scheduleApply(params.toArray(new SurfaceParams[params.size()]));
+                surfaceApplier.scheduleApply(transaction);
             }
         };
         appAnimator.addUpdateListener(listener);
@@ -997,37 +996,33 @@
                 matrix.postScale(mAppWindowScale, mAppWindowScale, widgetBackgroundBounds.left,
                         widgetBackgroundBounds.top);
 
-                ArrayList<SurfaceParams> params = new ArrayList<>();
+                SurfaceTransaction transaction = new SurfaceTransaction();
                 float floatingViewAlpha = appTargetsAreTranslucent ? 1 - mPreviewAlpha.value : 1;
                 for (int i = appTargets.length - 1; i >= 0; i--) {
                     RemoteAnimationTargetCompat target = appTargets[i];
-                    SurfaceParams.Builder builder = new SurfaceParams.Builder(target.leash);
+                    SurfaceProperties builder = transaction.forSurface(target.leash);
                     if (target.mode == MODE_OPENING) {
                         floatingView.update(widgetBackgroundBounds, floatingViewAlpha,
                                 mWidgetForegroundAlpha.value, mWidgetFallbackBackgroundAlpha.value,
                                 mCornerRadiusProgress.value);
-                        builder.withMatrix(matrix)
-                                .withWindowCrop(appWindowCrop)
-                                .withAlpha(mPreviewAlpha.value)
-                                .withCornerRadius(mWindowRadius.value / mAppWindowScale);
+                        builder.setMatrix(matrix)
+                                .setWindowCrop(appWindowCrop)
+                                .setAlpha(mPreviewAlpha.value)
+                                .setCornerRadius(mWindowRadius.value / mAppWindowScale);
                     }
-                    params.add(builder.build());
                 }
 
                 if (navBarTarget != null) {
-                    final SurfaceParams.Builder navBuilder =
-                            new SurfaceParams.Builder(navBarTarget.leash);
+                    SurfaceProperties navBuilder = transaction.forSurface(navBarTarget.leash);
                     if (mNavFadeIn.value > mNavFadeIn.getStartValue()) {
-                        navBuilder.withMatrix(matrix)
-                                .withWindowCrop(appWindowCrop)
-                                .withAlpha(mNavFadeIn.value);
+                        navBuilder.setMatrix(matrix)
+                                .setWindowCrop(appWindowCrop)
+                                .setAlpha(mNavFadeIn.value);
                     } else {
-                        navBuilder.withAlpha(mNavFadeOut.value);
+                        navBuilder.setAlpha(mNavFadeOut.value);
                     }
-                    params.add(navBuilder.build());
                 }
-
-                surfaceApplier.scheduleApply(params.toArray(new SurfaceParams[params.size()]));
+                surfaceApplier.scheduleApply(transaction);
             }
         });
 
@@ -1051,7 +1046,7 @@
                 && BlurUtils.supportsBlursOnWindows();
 
         MyDepthController depthController = new MyDepthController(mLauncher);
-        ObjectAnimator backgroundRadiusAnim = ObjectAnimator.ofFloat(depthController, DEPTH,
+        ObjectAnimator backgroundRadiusAnim = ObjectAnimator.ofFloat(depthController, STATE_DEPTH,
                         BACKGROUND_APP.getDepth(mLauncher))
                 .setDuration(APP_LAUNCH_DURATION);
 
@@ -1222,16 +1217,15 @@
         unlockAnimator.addListener(new AnimatorListenerAdapter() {
             @Override
             public void onAnimationStart(Animator animation) {
-                SurfaceParams[] params = new SurfaceParams[appTargets.length];
+                SurfaceTransaction transaction = new SurfaceTransaction();
                 for (int i = appTargets.length - 1; i >= 0; i--) {
                     RemoteAnimationTargetCompat target = appTargets[i];
-                    params[i] = new SurfaceParams.Builder(target.leash)
-                            .withAlpha(1f)
-                            .withWindowCrop(target.screenSpaceBounds)
-                            .withCornerRadius(cornerRadius)
-                            .build();
+                    transaction.forSurface(target.leash)
+                            .setAlpha(1f)
+                            .setWindowCrop(target.screenSpaceBounds)
+                            .setCornerRadius(cornerRadius);
                 }
-                surfaceApplier.scheduleApply(params);
+                surfaceApplier.scheduleApply(transaction);
             }
         });
         return unlockAnimator;
@@ -1449,10 +1443,10 @@
 
             @Override
             public void onUpdate(float percent, boolean initOnly) {
-                SurfaceParams[] params = new SurfaceParams[appTargets.length];
+                SurfaceTransaction transaction = new SurfaceTransaction();
                 for (int i = appTargets.length - 1; i >= 0; i--) {
                     RemoteAnimationTargetCompat target = appTargets[i];
-                    SurfaceParams.Builder builder = new SurfaceParams.Builder(target.leash);
+                    SurfaceProperties builder = transaction.forSurface(target.leash);
 
                     if (target.localBounds != null) {
                         tmpPos.set(target.localBounds.left, target.localBounds.top);
@@ -1474,20 +1468,19 @@
                                 tmpRect.centerY());
                         matrix.postTranslate(0, mDy.value);
                         matrix.postTranslate(tmpPos.x, tmpPos.y);
-                        builder.withMatrix(matrix)
-                                .withWindowCrop(crop)
-                                .withAlpha(mAlpha.value)
-                                .withCornerRadius(windowCornerRadius)
-                                .withShadowRadius(mShadowRadius.value);
+                        builder.setMatrix(matrix)
+                                .setWindowCrop(crop)
+                                .setAlpha(mAlpha.value)
+                                .setCornerRadius(windowCornerRadius)
+                                .setShadowRadius(mShadowRadius.value);
                     } else if (target.mode == MODE_OPENING) {
                         matrix.setTranslate(tmpPos.x, tmpPos.y);
-                        builder.withMatrix(matrix)
-                                .withWindowCrop(crop)
-                                .withAlpha(1f);
+                        builder.setMatrix(matrix)
+                                .setWindowCrop(crop)
+                                .setAlpha(1f);
                     }
-                    params[i] = builder.build();
                 }
-                surfaceApplier.scheduleApply(params);
+                surfaceApplier.scheduleApply(transaction);
             }
         });
 
@@ -1594,7 +1587,8 @@
                             true /* animateOverviewScrim */, launcherView).getAnimators());
 
                     if (!areAllTargetsTranslucent(appTargets)) {
-                        anim.play(ObjectAnimator.ofFloat(mLauncher.getDepthController(), DEPTH,
+                        anim.play(ObjectAnimator.ofFloat(mLauncher.getDepthController(),
+                                STATE_DEPTH,
                                 BACKGROUND_APP.getDepth(mLauncher), NORMAL.getDepth(mLauncher)));
                     }
 
@@ -1856,10 +1850,10 @@
 
         @Override
         public void onUpdate(RectF currentRectF, float progress) {
-            SurfaceParams[] params = new SurfaceParams[mAppTargets.length];
+            SurfaceTransaction transaction = new SurfaceTransaction();
             for (int i = mAppTargets.length - 1; i >= 0; i--) {
                 RemoteAnimationTargetCompat target = mAppTargets[i];
-                SurfaceParams.Builder builder = new SurfaceParams.Builder(target.leash);
+                SurfaceProperties builder = transaction.forSurface(target.leash);
 
                 if (target.localBounds != null) {
                     mTmpPos.set(target.localBounds.left, target.localBounds.top);
@@ -1894,18 +1888,17 @@
                     mMatrix.setScale(scale, scale);
                     mMatrix.postTranslate(mCurrentRect.left, mCurrentRect.top);
 
-                    builder.withMatrix(mMatrix)
-                            .withWindowCrop(mTmpRect)
-                            .withAlpha(getWindowAlpha(progress))
-                            .withCornerRadius(getCornerRadius(progress) / scale);
+                    builder.setMatrix(mMatrix)
+                            .setWindowCrop(mTmpRect)
+                            .setAlpha(getWindowAlpha(progress))
+                            .setCornerRadius(getCornerRadius(progress) / scale);
                 } else if (target.mode == MODE_OPENING) {
                     mMatrix.setTranslate(mTmpPos.x, mTmpPos.y);
-                    builder.withMatrix(mMatrix)
-                            .withAlpha(1f);
+                    builder.setMatrix(mMatrix)
+                            .setAlpha(1f);
                 }
-                params[i] = builder.build();
             }
-            mSurfaceApplier.scheduleApply(params);
+            mSurfaceApplier.scheduleApply(transaction);
         }
 
         protected float getWindowAlpha(float progress) {
diff --git a/quickstep/src/com/android/launcher3/statehandlers/DepthController.java b/quickstep/src/com/android/launcher3/statehandlers/DepthController.java
index 4b8b5f7..e3fd3f9 100644
--- a/quickstep/src/com/android/launcher3/statehandlers/DepthController.java
+++ b/quickstep/src/com/android/launcher3/statehandlers/DepthController.java
@@ -165,7 +165,8 @@
 
         float toDepth = toState.getDepth(mLauncher);
         if (Float.compare(mDepth, toDepth) != 0) {
-            animation.setFloat(this, DEPTH, toDepth, config.getInterpolator(ANIM_DEPTH, LINEAR));
+            animation.setFloat(this, STATE_DEPTH, toDepth,
+                    config.getInterpolator(ANIM_DEPTH, LINEAR));
         }
     }
 
@@ -179,7 +180,7 @@
     public void onMultiWindowModeChanged(boolean isInMultiWindowMode) {
         mIgnoreStateChangesDuringMultiWindowAnimation = true;
 
-        ObjectAnimator mwAnimation = ObjectAnimator.ofFloat(this, DEPTH,
+        ObjectAnimator mwAnimation = ObjectAnimator.ofFloat(this, STATE_DEPTH,
                 mLauncher.getStateManager().getState().getDepth(mLauncher, isInMultiWindowMode))
                 .setDuration(300);
         mwAnimation.addListener(new AnimatorListenerAdapter() {
diff --git a/quickstep/src/com/android/launcher3/uioverrides/QuickstepLauncher.java b/quickstep/src/com/android/launcher3/uioverrides/QuickstepLauncher.java
index ad06d3e..12d7a98 100644
--- a/quickstep/src/com/android/launcher3/uioverrides/QuickstepLauncher.java
+++ b/quickstep/src/com/android/launcher3/uioverrides/QuickstepLauncher.java
@@ -27,9 +27,11 @@
 import static com.android.launcher3.LauncherState.OVERVIEW;
 import static com.android.launcher3.LauncherState.OVERVIEW_MODAL_TASK;
 import static com.android.launcher3.LauncherState.OVERVIEW_SPLIT_SELECT;
+import static com.android.launcher3.anim.Interpolators.EMPHASIZED;
 import static com.android.launcher3.compat.AccessibilityManagerCompat.sendCustomAccessibilityEvent;
 import static com.android.launcher3.config.FeatureFlags.ENABLE_QUICKSTEP_LIVE_TILE;
 import static com.android.launcher3.config.FeatureFlags.ENABLE_SPLIT_FROM_WORKSPACE;
+import static com.android.launcher3.config.FeatureFlags.ENABLE_WIDGET_PICKER_DEPTH;
 import static com.android.launcher3.logging.StatsLogManager.LauncherEvent.LAUNCHER_APP_LAUNCH_TAP;
 import static com.android.launcher3.model.data.ItemInfo.NO_MATCHING_ID;
 import static com.android.launcher3.popup.QuickstepSystemShortcut.getSplitSelectShortcutByPosition;
@@ -44,6 +46,7 @@
 import static com.android.launcher3.util.DisplayController.CHANGE_NAVIGATION_MODE;
 import static com.android.launcher3.util.Executors.THREAD_POOL_EXECUTOR;
 import static com.android.launcher3.util.Executors.UI_HELPER_EXECUTOR;
+import static com.android.quickstep.util.BaseDepthController.WIDGET_DEPTH;
 import static com.android.systemui.shared.system.ActivityManagerWrapper.CLOSE_SYSTEM_WINDOWS_REASON_HOME_KEY;
 
 import android.animation.AnimatorSet;
@@ -75,6 +78,7 @@
 import com.android.launcher3.QuickstepAccessibilityDelegate;
 import com.android.launcher3.QuickstepTransitionManager;
 import com.android.launcher3.R;
+import com.android.launcher3.Utilities;
 import com.android.launcher3.Workspace;
 import com.android.launcher3.accessibility.LauncherAccessibilityDelegate;
 import com.android.launcher3.anim.AnimatorPlaybackController;
@@ -583,6 +587,11 @@
     public void onWidgetsTransition(float progress) {
         super.onWidgetsTransition(progress);
         onTaskbarInAppDisplayProgressUpdate(progress, WIDGETS_PAGE_PROGRESS_INDEX);
+        if (ENABLE_WIDGET_PICKER_DEPTH.get() && !Utilities.IS_RUNNING_IN_TEST_HARNESS) {
+            WIDGET_DEPTH.set(getDepthController(),
+                    Utilities.mapToRange(progress, 0f, 1f, 0f, getDeviceProfile().bottomSheetDepth,
+                            EMPHASIZED));
+        }
     }
 
     private void onTaskbarInAppDisplayProgressUpdate(float progress, int flag) {
diff --git a/quickstep/src/com/android/launcher3/uioverrides/states/AllAppsState.java b/quickstep/src/com/android/launcher3/uioverrides/states/AllAppsState.java
index e21f14f..fd184c6 100644
--- a/quickstep/src/com/android/launcher3/uioverrides/states/AllAppsState.java
+++ b/quickstep/src/com/android/launcher3/uioverrides/states/AllAppsState.java
@@ -16,7 +16,6 @@
 package com.android.launcher3.uioverrides.states;
 
 import static com.android.launcher3.anim.Interpolators.DEACCEL_2;
-import static com.android.launcher3.anim.Interpolators.LINEAR;
 import static com.android.launcher3.logging.StatsLogManager.LAUNCHER_STATE_ALLAPPS;
 
 import android.content.Context;
@@ -26,7 +25,6 @@
 import com.android.launcher3.Launcher;
 import com.android.launcher3.LauncherState;
 import com.android.launcher3.R;
-import com.android.launcher3.Utilities;
 import com.android.launcher3.util.Themes;
 
 /**
@@ -44,9 +42,9 @@
     @Override
     public <DEVICE_PROFILE_CONTEXT extends Context & DeviceProfileListenable>
     int getTransitionDuration(DEVICE_PROFILE_CONTEXT context, boolean isToState) {
-        return context.getDeviceProfile().isTablet
-                ? 500
-                :  isToState ? 600 : 300;
+        return isToState
+                ? context.getDeviceProfile().allAppsOpenDuration
+                : context.getDeviceProfile().allAppsCloseDuration;
     }
 
     @Override
@@ -83,15 +81,7 @@
     protected <DEVICE_PROFILE_CONTEXT extends Context & DeviceProfile.DeviceProfileListenable>
             float getDepthUnchecked(DEVICE_PROFILE_CONTEXT context) {
         if (context.getDeviceProfile().isTablet) {
-            // The goal is to set wallpaper to zoom at workspaceContentScale when in AllApps.
-            // When depth is 0, wallpaper zoom is set to maxWallpaperScale.
-            // When depth is 1, wallpaper zoom is set to 1.
-            // For depth to achieve zoom set to maxWallpaperScale * workspaceContentScale:
-            float maxWallpaperScale = context.getResources().getFloat(
-                    com.android.internal.R.dimen.config_wallpaperMaxScale);
-            return Utilities.mapToRange(
-                    maxWallpaperScale * context.getDeviceProfile().workspaceContentScale,
-                    maxWallpaperScale, 1f, 0f, 1f, LINEAR);
+            return context.getDeviceProfile().bottomSheetDepth;
         } else {
             // The scrim fades in at approximately 50% of the swipe gesture.
             // This means that the depth should be greater than 1, in order to fully zoom out.
diff --git a/quickstep/src/com/android/quickstep/FallbackSwipeHandler.java b/quickstep/src/com/android/quickstep/FallbackSwipeHandler.java
index 99f7bdd..e55e966 100644
--- a/quickstep/src/com/android/quickstep/FallbackSwipeHandler.java
+++ b/quickstep/src/com/android/quickstep/FallbackSwipeHandler.java
@@ -65,12 +65,12 @@
 import com.android.quickstep.fallback.FallbackRecentsView;
 import com.android.quickstep.fallback.RecentsState;
 import com.android.quickstep.util.RectFSpringAnim;
+import com.android.quickstep.util.SurfaceTransaction.SurfaceProperties;
 import com.android.quickstep.util.TransformParams;
 import com.android.quickstep.util.TransformParams.BuilderProxy;
 import com.android.systemui.shared.recents.model.Task.TaskKey;
 import com.android.systemui.shared.system.InputConsumerController;
 import com.android.systemui.shared.system.RemoteAnimationTargetCompat;
-import com.android.systemui.shared.system.SyncRtSurfaceTransactionApplierCompat.SurfaceParams;
 
 import java.lang.ref.WeakReference;
 import java.util.ArrayList;
@@ -125,18 +125,18 @@
         }
     }
 
-    private void updateHomeActivityTransformDuringSwipeUp(SurfaceParams.Builder builder,
+    private void updateHomeActivityTransformDuringSwipeUp(SurfaceProperties builder,
             RemoteAnimationTargetCompat app, TransformParams params) {
         setHomeScaleAndAlpha(builder, app, mCurrentShift.value,
                 Utilities.boundToRange(1 - mCurrentShift.value, 0, 1));
     }
 
-    private void setHomeScaleAndAlpha(SurfaceParams.Builder builder,
+    private void setHomeScaleAndAlpha(SurfaceProperties builder,
             RemoteAnimationTargetCompat app, float verticalShift, float alpha) {
         float scale = Utilities.mapRange(verticalShift, 1, mMaxLauncherScale);
         mTmpMatrix.setScale(scale, scale,
                 app.localBounds.exactCenterX(), app.localBounds.exactCenterY());
-        builder.withMatrix(mTmpMatrix).withAlpha(alpha);
+        builder.setMatrix(mTmpMatrix).setAlpha(alpha);
     }
 
     @Override
@@ -279,12 +279,12 @@
             return mTargetRect;
         }
 
-        private void updateRecentsActivityTransformDuringHomeAnim(SurfaceParams.Builder builder,
+        private void updateRecentsActivityTransformDuringHomeAnim(SurfaceProperties builder,
                 RemoteAnimationTargetCompat app, TransformParams params) {
-            builder.withAlpha(mRecentsAlpha.value);
+            builder.setAlpha(mRecentsAlpha.value);
         }
 
-        private void updateHomeActivityTransformDuringHomeAnim(SurfaceParams.Builder builder,
+        private void updateHomeActivityTransformDuringHomeAnim(SurfaceProperties builder,
                 RemoteAnimationTargetCompat app, TransformParams params) {
             setHomeScaleAndAlpha(builder, app, mVerticalShiftForScale.value, mHomeAlpha.value);
         }
diff --git a/quickstep/src/com/android/quickstep/GestureState.java b/quickstep/src/com/android/quickstep/GestureState.java
index 38bf1fd..703db07 100644
--- a/quickstep/src/com/android/quickstep/GestureState.java
+++ b/quickstep/src/com/android/quickstep/GestureState.java
@@ -20,6 +20,7 @@
 import static com.android.launcher3.logging.StatsLogManager.LAUNCHER_STATE_OVERVIEW;
 import static com.android.quickstep.MultiStateCallback.DEBUG_STATES;
 import static com.android.quickstep.util.ActiveGestureErrorDetector.GestureEvent.SET_END_TARGET;
+import static com.android.quickstep.util.ActiveGestureErrorDetector.GestureEvent.SET_END_TARGET_HOME;
 
 import android.annotation.Nullable;
 import android.annotation.TargetApi;
@@ -330,6 +331,16 @@
         ActiveGestureLog.INSTANCE.addLog(
                 /* event= */ "setEndTarget " + mEndTarget,
                 /* gestureEvent= */ SET_END_TARGET);
+        switch (mEndTarget) {
+            case HOME:
+                ActiveGestureLog.INSTANCE.trackEvent(SET_END_TARGET_HOME);
+                break;
+            case RECENTS:
+            case NEW_TASK:
+            case LAST_TASK:
+            default:
+                // No-Op
+        }
         if (isAtomic) {
             mStateCallback.setState(STATE_END_TARGET_ANIMATION_FINISHED);
         }
diff --git a/quickstep/src/com/android/quickstep/LauncherBackAnimationController.java b/quickstep/src/com/android/quickstep/LauncherBackAnimationController.java
index 7a281dd..ee3b075 100644
--- a/quickstep/src/com/android/quickstep/LauncherBackAnimationController.java
+++ b/quickstep/src/com/android/quickstep/LauncherBackAnimationController.java
@@ -46,7 +46,6 @@
 import com.android.quickstep.util.RectFSpringAnim;
 import com.android.systemui.shared.system.QuickStepContract;
 import com.android.systemui.shared.system.RemoteAnimationTargetCompat;
-import com.android.systemui.shared.system.SyncRtSurfaceTransactionApplierCompat;
 
 /**
  * Controls the animation of swiping back and returning to launcher.
@@ -242,20 +241,17 @@
 
     /** Transform the target window to match the target rect. */
     private void applyTransform(RectF targetRect, float cornerRadius) {
-        SyncRtSurfaceTransactionApplierCompat.SurfaceParams.Builder builder =
-                new SyncRtSurfaceTransactionApplierCompat.SurfaceParams.Builder(mBackTarget.leash);
         final float scale = targetRect.width() / mStartRect.width();
         mTransformMatrix.reset();
         mTransformMatrix.setScale(scale, scale);
         mTransformMatrix.postTranslate(targetRect.left, targetRect.top);
-        builder.withMatrix(mTransformMatrix)
-                .withWindowCrop(mStartRect)
-                .withCornerRadius(cornerRadius);
-        SyncRtSurfaceTransactionApplierCompat.SurfaceParams surfaceParams = builder.build();
 
-        if (surfaceParams.surface.isValid()) {
-            surfaceParams.applyTo(mTransaction);
+        if (mBackTarget.leash.isValid()) {
+            mTransaction.setMatrix(mBackTarget.leash, mTransformMatrix, new float[9]);
+            mTransaction.setWindowCrop(mBackTarget.leash, mStartRect);
+            mTransaction.setCornerRadius(mBackTarget.leash, cornerRadius);
         }
+
         mTransaction.apply();
     }
 
diff --git a/quickstep/src/com/android/quickstep/OverviewCommandHelper.java b/quickstep/src/com/android/quickstep/OverviewCommandHelper.java
index e84eb56..57a26ee 100644
--- a/quickstep/src/com/android/quickstep/OverviewCommandHelper.java
+++ b/quickstep/src/com/android/quickstep/OverviewCommandHelper.java
@@ -193,7 +193,20 @@
             }
         }
 
-        if (activityInterface.switchToRecentsIfVisible(() -> scheduleNextTask(cmd))) {
+        final Runnable completeCallback = () -> {
+            if (cmd.type == TYPE_SHOW_NEXT_FOCUS) {
+                RecentsView rv = activityInterface.getVisibleRecentsView();
+                // When the overview is launched via alt tab (cmd type is TYPE_SHOW_NEXT_FOCUS),
+                // the touch mode somehow is not change to false by the Android framework.
+                // The subsequent tab to go through tasks in overview can only be dispatched to
+                // focuses views, while focus can only be requested in
+                // {@link View#requestFocusNoSearch(int, Rect)} when touch mode is false. To note,
+                // here we launch overview from home.
+                rv.getViewRootImpl().touchModeChanged(false);
+            }
+            scheduleNextTask(cmd);
+        };
+        if (activityInterface.switchToRecentsIfVisible(completeCallback)) {
             // If successfully switched, wait until animation finishes
             return false;
         }
@@ -268,6 +281,13 @@
             RecentsView rv =
                     mOverviewComponentObserver.getActivityInterface().getVisibleRecentsView();
             if (rv != null) {
+                // When the overview is launched via alt tab (cmd type is TYPE_SHOW_NEXT_FOCUS),
+                // the touch mode somehow is not change to false by the Android framework.
+                // The subsequent tab to go through tasks in overview can only be dispatched to
+                // focuses views, while focus can only be requested in
+                // {@link View#requestFocusNoSearch(int, Rect)} when touch mode is false. To note,
+                // here we launch overview with live tile.
+                rv.getViewRootImpl().touchModeChanged(false);
                 // Ensure that recents view has focus so that it receives the followup key inputs
                 TaskView taskView = rv.getNextTaskView();
                 if (taskView == null) {
diff --git a/quickstep/src/com/android/quickstep/SwipeUpAnimationLogic.java b/quickstep/src/com/android/quickstep/SwipeUpAnimationLogic.java
index baeb514..71e8a77 100644
--- a/quickstep/src/com/android/quickstep/SwipeUpAnimationLogic.java
+++ b/quickstep/src/com/android/quickstep/SwipeUpAnimationLogic.java
@@ -37,11 +37,11 @@
 import com.android.quickstep.RemoteTargetGluer.RemoteTargetHandle;
 import com.android.quickstep.util.AnimatorControllerWithResistance;
 import com.android.quickstep.util.RectFSpringAnim;
+import com.android.quickstep.util.SurfaceTransaction.SurfaceProperties;
 import com.android.quickstep.util.TaskViewSimulator;
 import com.android.quickstep.util.TransformParams;
 import com.android.quickstep.util.TransformParams.BuilderProxy;
 import com.android.systemui.shared.system.RemoteAnimationTargetCompat;
-import com.android.systemui.shared.system.SyncRtSurfaceTransactionApplierCompat.SurfaceParams.Builder;
 
 import java.util.Arrays;
 import java.util.function.Consumer;
@@ -335,11 +335,11 @@
         }
 
         @Override
-        public void onBuildTargetParams(
-                Builder builder, RemoteAnimationTargetCompat app, TransformParams params) {
-            builder.withMatrix(mMatrix)
-                    .withWindowCrop(mCropRect)
-                    .withCornerRadius(params.getCornerRadius());
+        public void onBuildTargetParams(SurfaceProperties builder, RemoteAnimationTargetCompat app,
+                TransformParams params) {
+            builder.setMatrix(mMatrix)
+                    .setWindowCrop(mCropRect)
+                    .setCornerRadius(params.getCornerRadius());
         }
 
         @Override
diff --git a/quickstep/src/com/android/quickstep/TaskViewUtils.java b/quickstep/src/com/android/quickstep/TaskViewUtils.java
index 556b99e..7e1d181 100644
--- a/quickstep/src/com/android/quickstep/TaskViewUtils.java
+++ b/quickstep/src/com/android/quickstep/TaskViewUtils.java
@@ -36,7 +36,7 @@
 import static com.android.launcher3.anim.Interpolators.TOUCH_RESPONSE_INTERPOLATOR;
 import static com.android.launcher3.anim.Interpolators.clampToProgress;
 import static com.android.launcher3.config.FeatureFlags.ENABLE_QUICKSTEP_LIVE_TILE;
-import static com.android.launcher3.statehandlers.DepthController.DEPTH;
+import static com.android.launcher3.statehandlers.DepthController.STATE_DEPTH;
 import static com.android.systemui.shared.system.RemoteAnimationTargetCompat.MODE_CLOSING;
 import static com.android.systemui.shared.system.RemoteAnimationTargetCompat.MODE_OPENING;
 
@@ -72,6 +72,8 @@
 import com.android.launcher3.util.DisplayController;
 import com.android.quickstep.RemoteTargetGluer.RemoteTargetHandle;
 import com.android.quickstep.util.MultiValueUpdateListener;
+import com.android.quickstep.util.SurfaceTransaction;
+import com.android.quickstep.util.SurfaceTransaction.SurfaceProperties;
 import com.android.quickstep.util.SurfaceTransactionApplier;
 import com.android.quickstep.util.TaskViewSimulator;
 import com.android.quickstep.util.TransformParams;
@@ -82,7 +84,6 @@
 import com.android.systemui.shared.recents.model.Task;
 import com.android.systemui.shared.system.InteractionJankMonitorWrapper;
 import com.android.systemui.shared.system.RemoteAnimationTargetCompat;
-import com.android.systemui.shared.system.SyncRtSurfaceTransactionApplierCompat.SurfaceParams;
 
 import java.util.ArrayList;
 import java.util.List;
@@ -252,21 +253,24 @@
 
                     @Override
                     public void onUpdate(float percent, boolean initOnly) {
-                        final SurfaceParams.Builder navBuilder =
-                                new SurfaceParams.Builder(navBarTarget.leash);
+
 
                         // TODO Do we need to operate over multiple TVSs for the navbar leash?
                         for (RemoteTargetHandle handle : remoteTargetHandles) {
+                            SurfaceTransaction transaction = new SurfaceTransaction();
+                            SurfaceProperties navBuilder =
+                                    transaction.forSurface(navBarTarget.leash);
+
                             if (mNavFadeIn.value > mNavFadeIn.getStartValue()) {
                                 TaskViewSimulator taskViewSimulator = handle.getTaskViewSimulator();
                                 taskViewSimulator.getCurrentCropRect().round(cropRect);
-                                navBuilder.withMatrix(taskViewSimulator.getCurrentMatrix())
-                                        .withWindowCrop(cropRect)
-                                        .withAlpha(mNavFadeIn.value);
+                                navBuilder.setMatrix(taskViewSimulator.getCurrentMatrix())
+                                        .setWindowCrop(cropRect)
+                                        .setAlpha(mNavFadeIn.value);
                             } else {
-                                navBuilder.withAlpha(mNavFadeOut.value);
+                                navBuilder.setAlpha(mNavFadeOut.value);
                             }
-                            handle.getTransformParams().applySurfaceParams(navBuilder.build());
+                            handle.getTransformParams().applySurfaceParams(transaction);
                         }
                     }
                 });
@@ -367,7 +371,7 @@
         });
 
         if (depthController != null) {
-            out.setFloat(depthController, DEPTH, BACKGROUND_APP.getDepth(baseActivity),
+            out.setFloat(depthController, STATE_DEPTH, BACKGROUND_APP.getDepth(baseActivity),
                     TOUCH_RESPONSE_INTERPOLATOR);
         }
     }
@@ -474,7 +478,7 @@
      * If {@param launchingTaskView} is not null, then this will play the tasks launch animation
      * from the position of the GroupedTaskView (when user taps on the TaskView to start it).
      * Technically this case should be taken care of by
-     * {@link #composeRecentsSplitLaunchAnimatorLegacy()} below, but the way we launch tasks whether
+     * {@link #composeRecentsSplitLaunchAnimatorLegacy} below, but the way we launch tasks whether
      * it's a single task or multiple tasks results in different entry-points.
      *
      * If it is null, then it will simply fade in the starting apps and fade out launcher (for the
diff --git a/quickstep/src/com/android/quickstep/inputconsumers/DeviceLockedInputConsumer.java b/quickstep/src/com/android/quickstep/inputconsumers/DeviceLockedInputConsumer.java
index 6bc24f2..c131c05 100644
--- a/quickstep/src/com/android/quickstep/inputconsumers/DeviceLockedInputConsumer.java
+++ b/quickstep/src/com/android/quickstep/inputconsumers/DeviceLockedInputConsumer.java
@@ -53,13 +53,13 @@
 import com.android.quickstep.RecentsAnimationDeviceState;
 import com.android.quickstep.RecentsAnimationTargets;
 import com.android.quickstep.TaskAnimationManager;
+import com.android.quickstep.util.SurfaceTransaction.SurfaceProperties;
 import com.android.quickstep.util.TransformParams;
 import com.android.quickstep.util.TransformParams.BuilderProxy;
 import com.android.systemui.shared.recents.model.ThumbnailData;
 import com.android.systemui.shared.system.ActivityManagerWrapper;
 import com.android.systemui.shared.system.InputMonitorCompat;
 import com.android.systemui.shared.system.RemoteAnimationTargetCompat;
-import com.android.systemui.shared.system.SyncRtSurfaceTransactionApplierCompat.SurfaceParams.Builder;
 
 import java.util.HashMap;
 
@@ -290,9 +290,9 @@
 
     @Override
     public void onBuildTargetParams(
-            Builder builder, RemoteAnimationTargetCompat app, TransformParams params) {
+            SurfaceProperties builder, RemoteAnimationTargetCompat app, TransformParams params) {
         mMatrix.setTranslate(0, mProgress.value * mMaxTranslationY);
-        builder.withMatrix(mMatrix);
+        builder.setMatrix(mMatrix);
     }
 
     @Override
diff --git a/quickstep/src/com/android/quickstep/interaction/SwipeUpGestureTutorialController.java b/quickstep/src/com/android/quickstep/interaction/SwipeUpGestureTutorialController.java
index fa7bc04..401df24 100644
--- a/quickstep/src/com/android/quickstep/interaction/SwipeUpGestureTutorialController.java
+++ b/quickstep/src/com/android/quickstep/interaction/SwipeUpGestureTutorialController.java
@@ -33,7 +33,6 @@
 import android.graphics.Rect;
 import android.graphics.RectF;
 import android.os.Build;
-import android.view.SurfaceControl;
 import android.view.View;
 import android.view.ViewOutlineProvider;
 
@@ -53,9 +52,11 @@
 import com.android.quickstep.RemoteTargetGluer;
 import com.android.quickstep.SwipeUpAnimationLogic;
 import com.android.quickstep.SwipeUpAnimationLogic.RunningWindowAnim;
+import com.android.quickstep.util.RecordingSurfaceTransaction;
+import com.android.quickstep.util.RecordingSurfaceTransaction.MockProperties;
 import com.android.quickstep.util.RectFSpringAnim;
+import com.android.quickstep.util.SurfaceTransaction;
 import com.android.quickstep.util.TransformParams;
-import com.android.systemui.shared.system.SyncRtSurfaceTransactionApplierCompat.SurfaceParams;
 
 @TargetApi(Build.VERSION_CODES.R)
 abstract class SwipeUpGestureTutorialController extends TutorialController {
@@ -415,21 +416,23 @@
     private class FakeTransformParams extends TransformParams {
 
         @Override
-        public SurfaceParams[] createSurfaceParams(BuilderProxy proxy) {
-            SurfaceParams.Builder builder = new SurfaceParams.Builder((SurfaceControl) null);
-            proxy.onBuildTargetParams(builder, null, this);
-            return new SurfaceParams[] {builder.build()};
+        public SurfaceTransaction createSurfaceParams(BuilderProxy proxy) {
+            RecordingSurfaceTransaction transaction = new RecordingSurfaceTransaction();
+            proxy.onBuildTargetParams(transaction.mockProperties, null, this);
+            return transaction;
         }
 
         @Override
-        public void applySurfaceParams(SurfaceParams[] params) {
-            SurfaceParams p = params[0];
-            mFakeTaskView.setAnimationMatrix(p.matrix);
-            mFakePreviousTaskView.setAnimationMatrix(p.matrix);
-            mFakeTaskViewRect.set(p.windowCrop);
-            mFakeTaskViewRadius = p.cornerRadius;
-            mFakeTaskView.invalidateOutline();
-            mFakePreviousTaskView.invalidateOutline();
+        public void applySurfaceParams(SurfaceTransaction params) {
+            if (params instanceof RecordingSurfaceTransaction) {
+                MockProperties p = ((RecordingSurfaceTransaction) params).mockProperties;
+                mFakeTaskView.setAnimationMatrix(p.matrix);
+                mFakePreviousTaskView.setAnimationMatrix(p.matrix);
+                mFakeTaskViewRect.set(p.windowCrop);
+                mFakeTaskViewRadius = p.cornerRadius;
+                mFakeTaskView.invalidateOutline();
+                mFakePreviousTaskView.invalidateOutline();
+            }
         }
     }
 }
diff --git a/quickstep/src/com/android/quickstep/util/ActiveGestureErrorDetector.java b/quickstep/src/com/android/quickstep/util/ActiveGestureErrorDetector.java
index 693ef10..d2d1233 100644
--- a/quickstep/src/com/android/quickstep/util/ActiveGestureErrorDetector.java
+++ b/quickstep/src/com/android/quickstep/util/ActiveGestureErrorDetector.java
@@ -33,9 +33,10 @@
      * Enums associated to gesture navigation events.
      */
     public enum GestureEvent {
-        MOTION_DOWN, MOTION_UP, SET_END_TARGET, ON_SETTLED_ON_END_TARGET, START_RECENTS_ANIMATION,
-        FINISH_RECENTS_ANIMATION, CANCEL_RECENTS_ANIMATION, SET_ON_PAGE_TRANSITION_END_CALLBACK,
-        CANCEL_CURRENT_ANIMATION, CLEANUP_SCREENSHOT,
+        MOTION_DOWN, MOTION_UP, SET_END_TARGET, SET_END_TARGET_HOME, ON_SETTLED_ON_END_TARGET,
+        START_RECENTS_ANIMATION, FINISH_RECENTS_ANIMATION, CANCEL_RECENTS_ANIMATION,
+        SET_ON_PAGE_TRANSITION_END_CALLBACK, CANCEL_CURRENT_ANIMATION, CLEANUP_SCREENSHOT,
+        SCROLLER_ANIMATION_ABORTED,
 
         /**
          * These GestureEvents are specifically associated to state flags that get set in
@@ -123,6 +124,16 @@
                                         + "being set.",
                                 writer);
                         break;
+                    case SCROLLER_ANIMATION_ABORTED:
+                        errorDetected |= printErrorIfTrue(
+                                encounteredEvents.contains(GestureEvent.SET_END_TARGET_HOME)
+                                        && !encounteredEvents.contains(
+                                                GestureEvent.ON_SETTLED_ON_END_TARGET),
+                                /* errorMessage= */ prefix + "\t\trecents view scroller animation "
+                                        + "aborted after setting end target HOME, but before"
+                                        + " settling on end target.",
+                                writer);
+                        break;
                     case STATE_GESTURE_COMPLETED:
                         errorDetected |= printErrorIfTrue(
                                 !encounteredEvents.contains(GestureEvent.MOTION_UP),
@@ -173,6 +184,7 @@
                         break;
                     case MOTION_DOWN:
                     case SET_END_TARGET:
+                    case SET_END_TARGET_HOME:
                     case START_RECENTS_ANIMATION:
                     case SET_ON_PAGE_TRANSITION_END_CALLBACK:
                     case CANCEL_CURRENT_ANIMATION:
diff --git a/quickstep/src/com/android/quickstep/util/BaseDepthController.java b/quickstep/src/com/android/quickstep/util/BaseDepthController.java
index 4030630..29ae9a1 100644
--- a/quickstep/src/com/android/quickstep/util/BaseDepthController.java
+++ b/quickstep/src/com/android/quickstep/util/BaseDepthController.java
@@ -24,6 +24,7 @@
 import com.android.launcher3.Launcher;
 import com.android.launcher3.R;
 import com.android.launcher3.Utilities;
+import com.android.launcher3.util.MultiPropertyFactory;
 import com.android.systemui.shared.system.BlurUtils;
 
 /**
@@ -31,7 +32,7 @@
  */
 public class BaseDepthController {
 
-    public static final FloatProperty<BaseDepthController> DEPTH =
+    private static final FloatProperty<BaseDepthController> DEPTH =
             new FloatProperty<BaseDepthController>("depth") {
                 @Override
                 public void setValue(BaseDepthController depthController, float depth) {
@@ -44,6 +45,19 @@
                 }
             };
 
+    private static final MultiPropertyFactory<BaseDepthController> DEPTH_PROPERTY_FACTORY =
+            new MultiPropertyFactory<>("depthProperty", DEPTH, Float::max);
+
+    private static final int DEPTH_INDEX_STATE_TRANSITION = 1;
+    private static final int DEPTH_INDEX_WIDGET = 2;
+
+    /** Property to set the depth for state transition. */
+    public static final FloatProperty<BaseDepthController> STATE_DEPTH =
+            DEPTH_PROPERTY_FACTORY.get(DEPTH_INDEX_STATE_TRANSITION);
+    /** Property to set the depth for widget picker. */
+    public static final FloatProperty<BaseDepthController> WIDGET_DEPTH =
+            DEPTH_PROPERTY_FACTORY.get(DEPTH_INDEX_WIDGET);
+
     protected final Launcher mLauncher;
 
     /**
diff --git a/quickstep/src/com/android/quickstep/util/RecordingSurfaceTransaction.java b/quickstep/src/com/android/quickstep/util/RecordingSurfaceTransaction.java
new file mode 100644
index 0000000..a56c851
--- /dev/null
+++ b/quickstep/src/com/android/quickstep/util/RecordingSurfaceTransaction.java
@@ -0,0 +1,81 @@
+/*
+ * 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.quickstep.util;
+
+import android.graphics.Matrix;
+import android.graphics.Rect;
+
+/**
+ * Extension for {@link SurfaceTransaction} which records the commands for mocking
+ */
+public class RecordingSurfaceTransaction extends SurfaceTransaction {
+
+    /**
+     * A mock builder which can be used for recording values
+     */
+    public final MockProperties mockProperties = new MockProperties();
+
+    /**
+     * Extension of {@link SurfaceProperties} which just stores all the values locally
+     */
+    public class MockProperties extends SurfaceProperties {
+
+        public float alpha = -1;
+        public Matrix matrix = null;
+        public Rect windowCrop = null;
+        public float cornerRadius = 0;
+        public float shadowRadius = 0;
+
+        MockProperties() {
+            super(null);
+        }
+
+        @Override
+        public SurfaceProperties setAlpha(float alpha) {
+            this.alpha = alpha;
+            return this;
+        }
+
+        @Override
+        public SurfaceProperties setMatrix(Matrix matrix) {
+            this.matrix = matrix;
+            return this;
+        }
+
+        @Override
+        public SurfaceProperties setWindowCrop(Rect windowCrop) {
+            this.windowCrop = windowCrop;
+            return this;
+        }
+
+        @Override
+        public SurfaceProperties setLayer(int relativeLayer) {
+            return this;
+        }
+
+        @Override
+        public SurfaceProperties setCornerRadius(float radius) {
+            this.cornerRadius = radius;
+            return this;
+        }
+
+        @Override
+        public SurfaceProperties setShadowRadius(float radius) {
+            this.shadowRadius = radius;
+            return this;
+        }
+    }
+}
diff --git a/quickstep/src/com/android/quickstep/util/RemoteFadeOutAnimationListener.java b/quickstep/src/com/android/quickstep/util/RemoteFadeOutAnimationListener.java
index 81c124f..b2e159e 100644
--- a/quickstep/src/com/android/quickstep/util/RemoteFadeOutAnimationListener.java
+++ b/quickstep/src/com/android/quickstep/util/RemoteFadeOutAnimationListener.java
@@ -19,10 +19,10 @@
 
 import android.animation.ValueAnimator;
 import android.animation.ValueAnimator.AnimatorUpdateListener;
+import android.view.SurfaceControl.Transaction;
 
 import com.android.quickstep.RemoteAnimationTargets;
 import com.android.systemui.shared.system.RemoteAnimationTargetCompat;
-import com.android.systemui.shared.system.TransactionCompat;
 
 /**
  * Animation listener which fades out the closing targets
@@ -40,7 +40,7 @@
 
     @Override
     public void onAnimationUpdate(ValueAnimator valueAnimator) {
-        TransactionCompat t = new TransactionCompat();
+        Transaction t = new Transaction();
         if (mFirstFrame) {
             for (RemoteAnimationTargetCompat target : mTarget.unfilteredApps) {
                 t.show(target.leash);
diff --git a/quickstep/src/com/android/quickstep/util/SurfaceTransaction.java b/quickstep/src/com/android/quickstep/util/SurfaceTransaction.java
new file mode 100644
index 0000000..6bdcf4d
--- /dev/null
+++ b/quickstep/src/com/android/quickstep/util/SurfaceTransaction.java
@@ -0,0 +1,110 @@
+/*
+ * 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.quickstep.util;
+
+import android.graphics.Matrix;
+import android.graphics.Rect;
+import android.view.SurfaceControl;
+import android.view.SurfaceControl.Transaction;
+
+/**
+ * Helper class for building a {@link Transaction}.
+ */
+public class SurfaceTransaction {
+
+    private final Transaction mTransaction = new Transaction();
+    private final float[] mTmpValues = new float[9];
+
+    /**
+     * Creates a new builder for the provided surface
+     */
+    public SurfaceProperties forSurface(SurfaceControl surface) {
+        return new SurfaceProperties(surface);
+    }
+
+    /**
+     * Returns the final transaction
+     */
+    public Transaction getTransaction() {
+        return mTransaction;
+    }
+
+    /**
+     * Utility class to update surface params in a transaction
+     */
+    public class SurfaceProperties {
+
+        private final SurfaceControl mSurface;
+
+        SurfaceProperties(SurfaceControl surface) {
+            mSurface = surface;
+        }
+
+        /**
+         * @param alpha The alpha value to apply to the surface.
+         * @return this Builder
+         */
+        public SurfaceProperties setAlpha(float alpha) {
+            mTransaction.setAlpha(mSurface, alpha);
+            return this;
+        }
+
+        /**
+         * @param matrix The matrix to apply to the surface.
+         * @return this Builder
+         */
+        public SurfaceProperties setMatrix(Matrix matrix) {
+            mTransaction.setMatrix(mSurface, matrix, mTmpValues);
+            return this;
+        }
+
+        /**
+         * @param windowCrop The window crop to apply to the surface.
+         * @return this Builder
+         */
+        public SurfaceProperties setWindowCrop(Rect windowCrop) {
+            mTransaction.setWindowCrop(mSurface, windowCrop);
+            return this;
+        }
+
+        /**
+         * @param relativeLayer The relative layer.
+         * @return this Builder
+         */
+        public SurfaceProperties setLayer(int relativeLayer) {
+            mTransaction.setLayer(mSurface, relativeLayer);
+            return this;
+        }
+
+        /**
+         * @param radius the Radius for rounded corners to apply to the surface.
+         * @return this Builder
+         */
+        public SurfaceProperties setCornerRadius(float radius) {
+            mTransaction.setCornerRadius(mSurface, radius);
+            return this;
+        }
+
+        /**
+         * @param radius the Radius for the shadows to apply to the surface.
+         * @return this Builder
+         */
+        public SurfaceProperties setShadowRadius(float radius) {
+            mTransaction.setShadowRadius(mSurface, radius);
+            return this;
+        }
+    }
+}
diff --git a/quickstep/src/com/android/quickstep/util/SurfaceTransactionApplier.java b/quickstep/src/com/android/quickstep/util/SurfaceTransactionApplier.java
index 1200208..95473dc 100644
--- a/quickstep/src/com/android/quickstep/util/SurfaceTransactionApplier.java
+++ b/quickstep/src/com/android/quickstep/util/SurfaceTransactionApplier.java
@@ -25,7 +25,6 @@
 import android.view.ViewRootImpl;
 
 import com.android.quickstep.RemoteAnimationTargets.ReleaseCheck;
-import com.android.systemui.shared.system.SyncRtSurfaceTransactionApplierCompat.SurfaceParams;
 
 import java.util.function.Consumer;
 
@@ -70,18 +69,12 @@
      * @param params The surface parameters to apply. DO NOT MODIFY the list after passing into
      *               this method to avoid synchronization issues.
      */
-    public void scheduleApply(final SurfaceParams... params) {
+    public void scheduleApply(SurfaceTransaction params) {
         View view = mTargetViewRootImpl.getView();
         if (view == null) {
             return;
         }
-        Transaction t = new Transaction();
-        for (int i = params.length - 1; i >= 0; i--) {
-            SurfaceParams surfaceParams = params[i];
-            if (surfaceParams.surface.isValid()) {
-                surfaceParams.applyTo(t);
-            }
-        }
+        Transaction t = params.getTransaction();
 
         mLastSequenceNumber++;
         final int toApplySeqNo = mLastSequenceNumber;
@@ -102,7 +95,7 @@
     }
 
     /**
-     * Creates an instance of SyncRtSurfaceTransactionApplier, deferring until the target view is
+     * Creates an instance of SurfaceTransactionApplier, deferring until the target view is
      * attached if necessary.
      */
     public static void create(
diff --git a/quickstep/src/com/android/quickstep/util/TaskViewSimulator.java b/quickstep/src/com/android/quickstep/util/TaskViewSimulator.java
index 0a49008..cca38b7 100644
--- a/quickstep/src/com/android/quickstep/util/TaskViewSimulator.java
+++ b/quickstep/src/com/android/quickstep/util/TaskViewSimulator.java
@@ -46,11 +46,11 @@
 import com.android.quickstep.AnimatedFloat;
 import com.android.quickstep.BaseActivityInterface;
 import com.android.quickstep.TaskAnimationManager;
+import com.android.quickstep.util.SurfaceTransaction.SurfaceProperties;
 import com.android.quickstep.views.TaskThumbnailView.PreviewPositionHelper;
 import com.android.quickstep.views.TaskView.FullscreenDrawParams;
 import com.android.systemui.shared.recents.model.ThumbnailData;
 import com.android.systemui.shared.system.RemoteAnimationTargetCompat;
-import com.android.systemui.shared.system.SyncRtSurfaceTransactionApplierCompat.SurfaceParams.Builder;
 
 /**
  * A utility class which emulates the layout behavior of TaskView and RecentsView
@@ -386,10 +386,10 @@
 
     @Override
     public void onBuildTargetParams(
-            Builder builder, RemoteAnimationTargetCompat app, TransformParams params) {
-        builder.withMatrix(mMatrix)
-                .withWindowCrop(mTmpCropRect)
-                .withCornerRadius(getCurrentCornerRadius());
+            SurfaceProperties builder, RemoteAnimationTargetCompat app, TransformParams params) {
+        builder.setMatrix(mMatrix)
+                .setWindowCrop(mTmpCropRect)
+                .setCornerRadius(getCurrentCornerRadius());
 
         // If mDrawsBelowRecents is unset, no reordering will be enforced.
         if (ENABLE_QUICKSTEP_LIVE_TILE.get() && mDrawsBelowRecents != null) {
@@ -398,7 +398,7 @@
             // conflict with layers that WM core positions (ie. the input consumers).  For shell
             // transitions, the animation leashes are reparented to an animation container so we
             // can bump layers as needed.
-            builder.withLayer(mDrawsBelowRecents
+            builder.setLayer(mDrawsBelowRecents
                     ? Integer.MIN_VALUE + 1
                     : ENABLE_SHELL_TRANSITIONS ? Integer.MAX_VALUE : 0);
         }
diff --git a/quickstep/src/com/android/quickstep/util/TransformParams.java b/quickstep/src/com/android/quickstep/util/TransformParams.java
index a7f25d4..3d505c6 100644
--- a/quickstep/src/com/android/quickstep/util/TransformParams.java
+++ b/quickstep/src/com/android/quickstep/util/TransformParams.java
@@ -21,10 +21,8 @@
 import com.android.launcher3.Utilities;
 import com.android.launcher3.anim.Interpolators;
 import com.android.quickstep.RemoteAnimationTargets;
+import com.android.quickstep.util.SurfaceTransaction.SurfaceProperties;
 import com.android.systemui.shared.system.RemoteAnimationTargetCompat;
-import com.android.systemui.shared.system.SyncRtSurfaceTransactionApplierCompat;
-import com.android.systemui.shared.system.SyncRtSurfaceTransactionApplierCompat.SurfaceParams;
-import com.android.systemui.shared.system.TransactionCompat;
 
 public class TransformParams {
 
@@ -113,8 +111,7 @@
      * Sets the SyncRtSurfaceTransactionApplierCompat that will apply the SurfaceParams that
      * are computed based on these TransformParams.
      */
-    public TransformParams setSyncTransactionApplier(
-            SurfaceTransactionApplier applier) {
+    public TransformParams setSyncTransactionApplier(SurfaceTransactionApplier applier) {
         mSyncTransactionApplier = applier;
         return this;
     }
@@ -137,16 +134,14 @@
         return this;
     }
 
-    public SurfaceParams[] createSurfaceParams(BuilderProxy proxy) {
+    public SurfaceTransaction createSurfaceParams(BuilderProxy proxy) {
         RemoteAnimationTargets targets = mTargetSet;
-        final int appLength =  targets.unfilteredApps.length;
-        final int wallpaperLength = targets.wallpapers != null ? targets.wallpapers.length : 0;
-        SurfaceParams[] surfaceParams = new SurfaceParams[appLength + wallpaperLength];
+        SurfaceTransaction transaction = new SurfaceTransaction();
         mRecentsSurface = getRecentsSurface(targets);
 
-        for (int i = 0; i < appLength; i++) {
+        for (int i = 0; i < targets.unfilteredApps.length; i++) {
             RemoteAnimationTargetCompat app = targets.unfilteredApps[i];
-            SurfaceParams.Builder builder = new SurfaceParams.Builder(app.leash);
+            SurfaceProperties builder = transaction.forSurface(app.leash);
 
             if (app.mode == targets.targetMode) {
                 if (app.activityType == RemoteAnimationTargetCompat.ACTIVITY_TYPE_HOME) {
@@ -156,9 +151,9 @@
                     if (app.activityType == RemoteAnimationTargetCompat.ACTIVITY_TYPE_ASSISTANT
                             && app.isNotInRecents) {
                         float progress = Utilities.boundToRange(getProgress(), 0, 1);
-                        builder.withAlpha(1 - Interpolators.DEACCEL_2_5.getInterpolation(progress));
+                        builder.setAlpha(1 - Interpolators.DEACCEL_2_5.getInterpolation(progress));
                     } else {
-                        builder.withAlpha(getTargetAlpha());
+                        builder.setAlpha(getTargetAlpha());
                     }
 
                     proxy.onBuildTargetParams(builder, app, this);
@@ -166,15 +161,15 @@
             } else {
                 mBaseBuilderProxy.onBuildTargetParams(builder, app, this);
             }
-            surfaceParams[i] = builder.build();
         }
+
         // always put wallpaper layer to bottom.
+        final int wallpaperLength = targets.wallpapers != null ? targets.wallpapers.length : 0;
         for (int i = 0; i < wallpaperLength; i++) {
             RemoteAnimationTargetCompat wallpaper = targets.wallpapers[i];
-            surfaceParams[appLength + i] = new SurfaceParams.Builder(wallpaper.leash)
-                    .withLayer(Integer.MIN_VALUE).build();
+            transaction.forSurface(wallpaper.leash).setLayer(Integer.MIN_VALUE);
         }
-        return surfaceParams;
+        return transaction;
     }
 
     private static SurfaceControl getRecentsSurface(RemoteAnimationTargets targets) {
@@ -213,15 +208,11 @@
         return mTargetSet;
     }
 
-    public void applySurfaceParams(SurfaceParams... params) {
+    public void applySurfaceParams(SurfaceTransaction builder) {
         if (mSyncTransactionApplier != null) {
-            mSyncTransactionApplier.scheduleApply(params);
+            mSyncTransactionApplier.scheduleApply(builder);
         } else {
-            TransactionCompat t = new TransactionCompat();
-            for (SurfaceParams param : params) {
-                SyncRtSurfaceTransactionApplierCompat.applyParams(t, param);
-            }
-            t.apply();
+            builder.getTransaction().apply();
         }
     }
 
@@ -229,9 +220,9 @@
     public interface BuilderProxy {
 
         BuilderProxy NO_OP = (builder, app, params) -> { };
-        BuilderProxy ALWAYS_VISIBLE = (builder, app, params) ->builder.withAlpha(1);
+        BuilderProxy ALWAYS_VISIBLE = (builder, app, params) -> builder.setAlpha(1);
 
-        void onBuildTargetParams(SurfaceParams.Builder builder,
+        void onBuildTargetParams(SurfaceProperties builder,
                 RemoteAnimationTargetCompat app, TransformParams params);
     }
 }
diff --git a/quickstep/src/com/android/quickstep/views/RecentsView.java b/quickstep/src/com/android/quickstep/views/RecentsView.java
index f8bf3d8..ef98e92 100644
--- a/quickstep/src/com/android/quickstep/views/RecentsView.java
+++ b/quickstep/src/com/android/quickstep/views/RecentsView.java
@@ -43,7 +43,7 @@
 import static com.android.launcher3.logging.StatsLogManager.LauncherEvent.LAUNCHER_TASK_CLEAR_ALL;
 import static com.android.launcher3.logging.StatsLogManager.LauncherEvent.LAUNCHER_TASK_DISMISS_SWIPE_UP;
 import static com.android.launcher3.logging.StatsLogManager.LauncherEvent.LAUNCHER_TASK_LAUNCH_SWIPE_DOWN;
-import static com.android.launcher3.statehandlers.DepthController.DEPTH;
+import static com.android.launcher3.statehandlers.DepthController.STATE_DEPTH;
 import static com.android.launcher3.touch.PagedOrientationHandler.CANVAS_TRANSLATE;
 import static com.android.launcher3.util.Executors.MAIN_EXECUTOR;
 import static com.android.launcher3.util.Executors.UI_HELPER_EXECUTOR;
@@ -165,11 +165,14 @@
 import com.android.quickstep.TaskViewUtils;
 import com.android.quickstep.TopTaskTracker;
 import com.android.quickstep.ViewUtils;
+import com.android.quickstep.util.ActiveGestureErrorDetector;
+import com.android.quickstep.util.ActiveGestureLog;
 import com.android.quickstep.util.GroupTask;
 import com.android.quickstep.util.LayoutUtils;
 import com.android.quickstep.util.RecentsOrientedState;
 import com.android.quickstep.util.SplitScreenBounds;
 import com.android.quickstep.util.SplitSelectStateController;
+import com.android.quickstep.util.SurfaceTransaction;
 import com.android.quickstep.util.SurfaceTransactionApplier;
 import com.android.quickstep.util.TaskViewSimulator;
 import com.android.quickstep.util.TaskVisualsChangeListener;
@@ -182,7 +185,6 @@
 import com.android.systemui.shared.system.InteractionJankMonitorWrapper;
 import com.android.systemui.shared.system.PackageManagerWrapper;
 import com.android.systemui.shared.system.RemoteAnimationTargetCompat;
-import com.android.systemui.shared.system.SyncRtSurfaceTransactionApplierCompat.SurfaceParams;
 import com.android.systemui.shared.system.TaskStackChangeListener;
 import com.android.systemui.shared.system.TaskStackChangeListeners;
 import com.android.wm.shell.pip.IPipAnimationListener;
@@ -1062,14 +1064,15 @@
             appAnimator.setInterpolator(ACCEL_DEACCEL);
             appAnimator.addUpdateListener(valueAnimator -> {
                 float percent = valueAnimator.getAnimatedFraction();
-                SurfaceParams.Builder builder = new SurfaceParams.Builder(
-                        apps[apps.length - 1].leash);
+                SurfaceTransaction transaction = new SurfaceTransaction();
                 Matrix matrix = new Matrix();
                 matrix.postScale(percent, percent);
                 matrix.postTranslate(mActivity.getDeviceProfile().widthPx * (1 - percent) / 2,
                         mActivity.getDeviceProfile().heightPx * (1 - percent) / 2);
-                builder.withAlpha(percent).withMatrix(matrix);
-                surfaceApplier.scheduleApply(builder.build());
+                transaction.forSurface(apps[apps.length - 1].leash)
+                        .setAlpha(percent)
+                        .setMatrix(matrix);
+                surfaceApplier.scheduleApply(transaction);
             });
             anim.play(appAnimator);
             anim.addListener(new AnimatorListenerAdapter() {
@@ -1236,6 +1239,8 @@
     @Override
     protected void onPageEndTransition() {
         super.onPageEndTransition();
+        ActiveGestureLog.INSTANCE.addLog(
+                "onPageEndTransition: current page index updated", mCurrentPage);
         if (isClearAllHidden() && !mActivity.getDeviceProfile().isTablet) {
             mActionsView.updateDisabledFlags(OverviewActionsView.DISABLED_SCROLLING, false);
         }
@@ -1426,6 +1431,12 @@
         updateGridProperties();
     }
 
+    @Override
+    protected void onScrollerAnimationAborted() {
+        ActiveGestureLog.INSTANCE.addLog("scroller animation aborted",
+                ActiveGestureErrorDetector.GestureEvent.SCROLLER_ANIMATION_ABORTED);
+    }
+
     protected void applyLoadPlan(ArrayList<GroupTask> taskGroups) {
         if (mPendingAnimation != null) {
             mPendingAnimation.addEndListener(success -> applyLoadPlan(taskGroups));
@@ -4416,7 +4427,7 @@
 
         DepthController depthController = getDepthController();
         if (depthController != null) {
-            ObjectAnimator depthAnimator = ObjectAnimator.ofFloat(depthController, DEPTH,
+            ObjectAnimator depthAnimator = ObjectAnimator.ofFloat(depthController, STATE_DEPTH,
                     BACKGROUND_APP.getDepth(mActivity));
             anim.play(depthAnimator);
         }
diff --git a/quickstep/tests/src/com/android/launcher3/model/WidgetsPredicationUpdateTaskTest.java b/quickstep/tests/src/com/android/launcher3/model/WidgetsPredicationUpdateTaskTest.java
index c1b3beb..b903691 100644
--- a/quickstep/tests/src/com/android/launcher3/model/WidgetsPredicationUpdateTaskTest.java
+++ b/quickstep/tests/src/com/android/launcher3/model/WidgetsPredicationUpdateTaskTest.java
@@ -36,7 +36,6 @@
 import android.content.ComponentName;
 import android.os.UserHandle;
 import android.text.TextUtils;
-import android.util.Log;
 
 import androidx.test.ext.junit.runners.AndroidJUnit4;
 import androidx.test.filters.SmallTest;
@@ -111,7 +110,6 @@
         doReturn(allWidgets).when(manager).getInstalledProvidersForProfile(eq(myUserHandle()));
         doAnswer(i -> {
             String pkg = i.getArgument(0);
-            Log.e("Hello", "Getting v " + pkg);
             return TextUtils.isEmpty(pkg) ? allWidgets : allWidgets.stream()
                     .filter(a -> pkg.equals(a.provider.getPackageName()))
                     .collect(Collectors.toList());
diff --git a/quickstep/tests/src/com/android/quickstep/util/TaskViewSimulatorTest.java b/quickstep/tests/src/com/android/quickstep/util/TaskViewSimulatorTest.java
index 190b002..c2667b8 100644
--- a/quickstep/tests/src/com/android/quickstep/util/TaskViewSimulatorTest.java
+++ b/quickstep/tests/src/com/android/quickstep/util/TaskViewSimulatorTest.java
@@ -24,7 +24,6 @@
 import android.graphics.RectF;
 import android.util.ArrayMap;
 import android.view.Surface;
-import android.view.SurfaceControl;
 
 import androidx.test.ext.junit.runners.AndroidJUnit4;
 import androidx.test.filters.SmallTest;
@@ -42,8 +41,8 @@
 import com.android.launcher3.util.window.WindowManagerProxy;
 import com.android.quickstep.FallbackActivityInterface;
 import com.android.quickstep.SystemUiProxy;
+import com.android.quickstep.util.RecordingSurfaceTransaction.MockProperties;
 import com.android.systemui.shared.system.RemoteAnimationTargetCompat;
-import com.android.systemui.shared.system.SyncRtSurfaceTransactionApplierCompat.SurfaceParams;
 
 import org.hamcrest.Description;
 import org.hamcrest.TypeSafeMatcher;
@@ -207,17 +206,21 @@
         }
 
         @Override
-        public SurfaceParams[] createSurfaceParams(BuilderProxy proxy) {
-            SurfaceParams.Builder builder = new SurfaceParams.Builder((SurfaceControl) null);
-            proxy.onBuildTargetParams(builder, mock(RemoteAnimationTargetCompat.class), this);
-            return new SurfaceParams[] {builder.build()};
+        public SurfaceTransaction createSurfaceParams(BuilderProxy proxy) {
+            RecordingSurfaceTransaction transaction = new RecordingSurfaceTransaction();
+            proxy.onBuildTargetParams(
+                    transaction.mockProperties, mock(RemoteAnimationTargetCompat.class), this);
+            return transaction;
         }
 
         @Override
-        public void applySurfaceParams(SurfaceParams[] params) {
+        public void applySurfaceParams(SurfaceTransaction params) {
+            Assert.assertTrue(params instanceof RecordingSurfaceTransaction);
+            MockProperties p = ((RecordingSurfaceTransaction) params).mockProperties;
+
             // Verify that the task position remains the same
             RectF newAppBounds = new RectF(mAppBounds);
-            params[0].matrix.mapRect(newAppBounds);
+            p.matrix.mapRect(newAppBounds);
             Assert.assertThat(newAppBounds, new AlmostSame(mAppBounds));
 
             System.err.println("Bounds mapped: " + mAppBounds + " => " + newAppBounds);
diff --git a/res/values-sw600dp/config.xml b/res/values-sw600dp/config.xml
index 072b92d..e718d9c 100644
--- a/res/values-sw600dp/config.xml
+++ b/res/values-sw600dp/config.xml
@@ -18,4 +18,11 @@
     <!-- The duration of the PagedView page snap animation -->
     <integer name="config_pageSnapAnimationDuration">550</integer>
 
+    <!-- The duration of the Widget picker opening and closing animation -->
+    <integer name="config_bottomSheetOpenDuration">500</integer>
+    <integer name="config_bottomSheetCloseDuration">500</integer>
+
+    <!-- The duration of the AllApps opening and closing animation -->
+    <integer name="config_allAppsOpenDuration">@integer/config_bottomSheetOpenDuration</integer>
+    <integer name="config_allAppsCloseDuration">@integer/config_bottomSheetCloseDuration</integer>
 </resources>
diff --git a/res/values/config.xml b/res/values/config.xml
index d4c08d0..d3f5033 100644
--- a/res/values/config.xml
+++ b/res/values/config.xml
@@ -193,4 +193,15 @@
     <dimen name="swipe_back_window_scale_x_margin">10dp</dimen>
     <dimen name="swipe_back_window_max_delta_y">160dp</dimen>
     <dimen name="swipe_back_window_corner_radius">40dp</dimen>
+
+    <!-- The duration of the bottom sheet opening and closing animation -->
+    <integer name="config_bottomSheetOpenDuration">267</integer>
+    <integer name="config_bottomSheetCloseDuration">267</integer>
+
+    <!-- The duration of the AllApps opening and closing animation -->
+    <integer name="config_allAppsOpenDuration">600</integer>
+    <integer name="config_allAppsCloseDuration">300</integer>
+
+    <!-- The max scale for the wallpaper when it's zoomed in -->
+    <item name="config_wallpaperMaxScale" format="float" type="dimen">0</item>
 </resources>
diff --git a/src/com/android/launcher3/DeviceProfile.java b/src/com/android/launcher3/DeviceProfile.java
index 0292e04..4cad919 100644
--- a/src/com/android/launcher3/DeviceProfile.java
+++ b/src/com/android/launcher3/DeviceProfile.java
@@ -22,6 +22,7 @@
 import static com.android.launcher3.InvariantDeviceProfile.INDEX_TWO_PANEL_PORTRAIT;
 import static com.android.launcher3.Utilities.dpiFromPx;
 import static com.android.launcher3.Utilities.pxFromSp;
+import static com.android.launcher3.anim.Interpolators.LINEAR;
 import static com.android.launcher3.folder.ClippedFolderIconLayoutRule.ICON_OVERLAP_FACTOR;
 import static com.android.launcher3.icons.GraphicsUtils.getShapePath;
 import static com.android.launcher3.testing.shared.ResourceUtils.pxFromDp;
@@ -181,11 +182,19 @@
     private final int hotseatQsbShadowHeight;
     public int hotseatBorderSpace;
 
+    // Bottom sheets
+    public int bottomSheetTopPadding;
+    public int bottomSheetOpenDuration;
+    public int bottomSheetCloseDuration;
+    public float bottomSheetWorkspaceScale;
+    public float bottomSheetDepth;
+
     // All apps
     public Point allAppsBorderSpacePx;
     public int allAppsShiftRange;
     public int allAppsTopPadding;
-    public int bottomSheetTopPadding;
+    public int allAppsOpenDuration;
+    public int allAppsCloseDuration;
     public int allAppsCellHeightPx;
     public int allAppsCellWidthPx;
     public int allAppsIconSizePx;
@@ -316,6 +325,21 @@
         bottomSheetTopPadding = mInsets.top // statusbar height
                 + res.getDimensionPixelSize(R.dimen.bottom_sheet_extra_top_padding)
                 + (isTablet ? 0 : edgeMarginPx); // phones need edgeMarginPx additional padding
+        bottomSheetOpenDuration = res.getInteger(R.integer.config_bottomSheetOpenDuration);
+        bottomSheetCloseDuration = res.getInteger(R.integer.config_bottomSheetCloseDuration);
+        if (isTablet) {
+            bottomSheetWorkspaceScale = workspaceContentScale;
+            // The goal is to set wallpaper to zoom at workspaceContentScale when in AllApps.
+            // When depth is 0, wallpaper zoom is set to maxWallpaperScale.
+            // When depth is 1, wallpaper zoom is set to 1.
+            // For depth to achieve zoom set to maxWallpaperScale * workspaceContentScale:
+            float maxWallpaperScale = res.getFloat(R.dimen.config_wallpaperMaxScale);
+            bottomSheetDepth = Utilities.mapToRange(maxWallpaperScale * workspaceContentScale,
+                    maxWallpaperScale, 1f, 0f, 1f, LINEAR);
+        } else {
+            bottomSheetWorkspaceScale = 1f;
+            bottomSheetDepth = 0f;
+        }
 
         folderLabelTextScale = res.getFloat(R.dimen.folder_label_text_scale);
         folderContentPaddingLeftRight =
@@ -474,6 +498,8 @@
             allAppsShiftRange =
                     res.getDimensionPixelSize(R.dimen.all_apps_starting_vertical_translate);
         }
+        allAppsOpenDuration = res.getInteger(R.integer.config_allAppsOpenDuration);
+        allAppsCloseDuration = res.getInteger(R.integer.config_allAppsCloseDuration);
 
         flingToDeleteThresholdVelocity = res.getDimensionPixelSize(
                 R.dimen.drag_flingToDeleteMinVelocity);
@@ -1434,9 +1460,15 @@
         writer.println(prefix + pxToDpStr("folderTopPadding", folderContentPaddingTop));
 
         writer.println(prefix + pxToDpStr("bottomSheetTopPadding", bottomSheetTopPadding));
+        writer.println(prefix + "\tbottomSheetOpenDuration: " + bottomSheetOpenDuration);
+        writer.println(prefix + "\tbottomSheetCloseDuration: " + bottomSheetCloseDuration);
+        writer.println(prefix + "\tbottomSheetWorkspaceScale: " + bottomSheetWorkspaceScale);
+        writer.println(prefix + "\tbottomSheetDepth: " + bottomSheetDepth);
 
         writer.println(prefix + pxToDpStr("allAppsShiftRange", allAppsShiftRange));
         writer.println(prefix + pxToDpStr("allAppsTopPadding", allAppsTopPadding));
+        writer.println(prefix + "\tallAppsOpenDuration: " + allAppsOpenDuration);
+        writer.println(prefix + "\tallAppsCloseDuration: " + allAppsCloseDuration);
         writer.println(prefix + pxToDpStr("allAppsIconSizePx", allAppsIconSizePx));
         writer.println(prefix + pxToDpStr("allAppsIconTextSizePx", allAppsIconTextSizePx));
         writer.println(prefix + pxToDpStr("allAppsIconDrawablePaddingPx",
diff --git a/src/com/android/launcher3/Launcher.java b/src/com/android/launcher3/Launcher.java
index 6bdfa1c..ce95b15 100644
--- a/src/com/android/launcher3/Launcher.java
+++ b/src/com/android/launcher3/Launcher.java
@@ -42,6 +42,7 @@
 import static com.android.launcher3.LauncherState.SPRING_LOADED;
 import static com.android.launcher3.Utilities.postAsyncCallback;
 import static com.android.launcher3.accessibility.LauncherAccessibilityDelegate.getSupportedActions;
+import static com.android.launcher3.anim.Interpolators.EMPHASIZED;
 import static com.android.launcher3.logging.StatsLogManager.EventEnum;
 import static com.android.launcher3.logging.StatsLogManager.LAUNCHER_STATE_BACKGROUND;
 import static com.android.launcher3.logging.StatsLogManager.LAUNCHER_STATE_HOME;
@@ -3234,12 +3235,10 @@
      * @param progress Transition progress from 0 to 1; where 0 => home and 1 => widgets.
      */
     public void onWidgetsTransition(float progress) {
-        if (mDeviceProfile.isTablet) {
-            float scale =
-                    Utilities.comp(Utilities.comp(mDeviceProfile.workspaceContentScale) * progress);
-            WORKSPACE_WIDGET_SCALE.set(getWorkspace(), scale);
-            HOTSEAT_WIDGET_SCALE.set(getHotseat(), scale);
-        }
+        float scale = Utilities.mapToRange(progress, 0f, 1f, 1f,
+                mDeviceProfile.bottomSheetWorkspaceScale, EMPHASIZED);
+        WORKSPACE_WIDGET_SCALE.set(getWorkspace(), scale);
+        HOTSEAT_WIDGET_SCALE.set(getHotseat(), scale);
     }
 
     private static class NonConfigInstance {
diff --git a/src/com/android/launcher3/PagedView.java b/src/com/android/launcher3/PagedView.java
index 73be5be..68c54c7 100644
--- a/src/com/android/launcher3/PagedView.java
+++ b/src/com/android/launcher3/PagedView.java
@@ -259,8 +259,13 @@
         abortScrollerAnimation(true);
     }
 
+    protected void onScrollerAnimationAborted() {
+        // No-Op
+    }
+
     private void abortScrollerAnimation(boolean resetNextPage) {
         mScroller.abortAnimation();
+        onScrollerAnimationAborted();
         // We need to clean up the next page here to avoid computeScrollHelper from
         // updating current page on the pass.
         if (resetNextPage) {
@@ -555,11 +560,11 @@
             if (mAllowOverScroll) {
                 if (newPos < mMinScroll && oldPos >= mMinScroll) {
                     mEdgeGlowLeft.onAbsorb((int) mScroller.getCurrVelocity());
-                    mScroller.abortAnimation();
+                    abortScrollerAnimation(false);
                     onEdgeAbsorbingScroll();
                 } else if (newPos > mMaxScroll && oldPos <= mMaxScroll) {
                     mEdgeGlowRight.onAbsorb((int) mScroller.getCurrVelocity());
-                    mScroller.abortAnimation();
+                    abortScrollerAnimation(false);
                     onEdgeAbsorbingScroll();
                 }
             }
@@ -569,7 +574,7 @@
             int finalPos = mOrientationHandler.getPrimaryValue(mScroller.getFinalX(),
                     mScroller.getFinalY());
             if (newPos == finalPos && mEdgeGlowLeft.isFinished() && mEdgeGlowRight.isFinished()) {
-                mScroller.abortAnimation();
+                abortScrollerAnimation(false);
             }
 
             invalidate();
diff --git a/src/com/android/launcher3/allapps/AllAppsTransitionController.java b/src/com/android/launcher3/allapps/AllAppsTransitionController.java
index 1cec9d0..22e8bcf 100644
--- a/src/com/android/launcher3/allapps/AllAppsTransitionController.java
+++ b/src/com/android/launcher3/allapps/AllAppsTransitionController.java
@@ -42,7 +42,7 @@
 import com.android.launcher3.config.FeatureFlags;
 import com.android.launcher3.statemanager.StateManager.StateHandler;
 import com.android.launcher3.states.StateAnimationConfig;
-import com.android.launcher3.util.MultiAdditivePropertyFactory;
+import com.android.launcher3.util.MultiPropertyFactory;
 import com.android.launcher3.util.MultiValueAlpha;
 import com.android.launcher3.views.ScrimView;
 
@@ -141,9 +141,9 @@
 
     private ScrimView mScrimView;
 
-    private final MultiAdditivePropertyFactory<View>
-            mAppsViewTranslationYPropertyFactory = new MultiAdditivePropertyFactory<>(
-            "appsViewTranslationY", View.TRANSLATION_Y);
+    private final MultiPropertyFactory<View>
+            mAppsViewTranslationYPropertyFactory = new MultiPropertyFactory<>(
+            "appsViewTranslationY", View.TRANSLATION_Y, Float::sum);
     private MultiValueAlpha mAppsViewAlpha;
 
     private boolean mIsTablet;
diff --git a/src/com/android/launcher3/config/FeatureFlags.java b/src/com/android/launcher3/config/FeatureFlags.java
index 7f34148..0e36dc0 100644
--- a/src/com/android/launcher3/config/FeatureFlags.java
+++ b/src/com/android/launcher3/config/FeatureFlags.java
@@ -289,6 +289,11 @@
             "Enable option to log the keyboard latency for both atomic and controlled keyboard "
                     + "animations on an EditText");
 
+    // Change of wallpaper depth in widget picker is disabled for tests as it causes flakiness on
+    // very slow cuttlefish devices.
+    public static final BooleanFlag ENABLE_WIDGET_PICKER_DEPTH = new DeviceFlag(
+            "ENABLE_WIDGET_PICKER_DEPTH", true, "Enable changing depth in widget picker.");
+
     public static void initialize(Context context) {
         synchronized (sDebugFlags) {
             for (DebugFlag flag : sDebugFlags) {
diff --git a/src/com/android/launcher3/util/MultiAdditivePropertyFactory.java b/src/com/android/launcher3/util/MultiPropertyFactory.java
similarity index 70%
rename from src/com/android/launcher3/util/MultiAdditivePropertyFactory.java
rename to src/com/android/launcher3/util/MultiPropertyFactory.java
index 50f7027..e7a7785 100644
--- a/src/com/android/launcher3/util/MultiAdditivePropertyFactory.java
+++ b/src/com/android/launcher3/util/MultiPropertyFactory.java
@@ -20,7 +20,6 @@
 import android.util.FloatProperty;
 import android.util.Log;
 import android.util.Property;
-import android.view.View;
 
 /**
  * Allows to combine multiple values set by several sources.
@@ -30,43 +29,55 @@
  * time.
  *
  * This class behaves similarly to [MultiValueAlpha], but is meant to be more abstract and reusable.
- * It sets the addition of all values.
+ * It aggregate all values using the provided [aggregator].
  *
  * @param <T> Type where to apply the property.
  */
-public class MultiAdditivePropertyFactory<T extends View> {
+public class MultiPropertyFactory<T> {
 
     private static final boolean DEBUG = false;
-    private static final String TAG = "MultiAdditivePropertyFactory";
+    private static final String TAG = "MultiPropertyFactory";
     private final String mName;
-    private final ArrayMap<Integer, MultiAdditiveProperty> mProperties =
-            new ArrayMap<>();
+    private final ArrayMap<Integer, MultiProperty> mProperties = new ArrayMap<>();
 
     // This is an optimization for cases when set is called repeatedly with the same setterIndex.
     private float mAggregationOfOthers = 0f;
     private Integer mLastIndexSet = -1;
-    private final Property<View, Float> mProperty;
+    private final Property<T, Float> mProperty;
+    private final FloatBiFunction mAggregator;
 
-    public MultiAdditivePropertyFactory(String name, Property<View, Float> property) {
+    /**
+     * Represents a function that accepts two float and produces a float.
+     */
+    public interface FloatBiFunction {
+        /**
+         * Applies this function to the given arguments.
+         */
+        float apply(float a, float b);
+    }
+
+    public MultiPropertyFactory(String name, Property<T, Float> property,
+            FloatBiFunction aggregator) {
         mName = name;
         mProperty = property;
+        mAggregator = aggregator;
     }
 
     /** Returns the [MultiFloatProperty] associated with [inx], creating it if not present. */
-    public MultiAdditiveProperty get(Integer index) {
+    public MultiProperty get(Integer index) {
         return mProperties.computeIfAbsent(index,
-                (k) -> new MultiAdditiveProperty(index, mName + "_" + index));
+                (k) -> new MultiProperty(index, mName + "_" + index));
     }
 
     /**
      * Each [setValue] will be aggregated with the other properties values created by the
      * corresponding factory.
      */
-    class MultiAdditiveProperty extends FloatProperty<T> {
+    class MultiProperty extends FloatProperty<T> {
         private final int mInx;
         private float mValue = 0f;
 
-        MultiAdditiveProperty(int inx, String name) {
+        MultiProperty(int inx, String name) {
             super(name);
             mInx = inx;
         }
@@ -77,12 +88,13 @@
                 mAggregationOfOthers = 0f;
                 mProperties.forEach((key, property) -> {
                     if (key != mInx) {
-                        mAggregationOfOthers += property.mValue;
+                        mAggregationOfOthers =
+                                mAggregator.apply(mAggregationOfOthers, property.mValue);
                     }
                 });
                 mLastIndexSet = mInx;
             }
-            float lastAggregatedValue = mAggregationOfOthers + newValue;
+            float lastAggregatedValue = mAggregator.apply(mAggregationOfOthers, newValue);
             mValue = newValue;
             apply(obj, lastAggregatedValue);
 
@@ -94,13 +106,13 @@
         }
 
         @Override
-        public Float get(T view) {
+        public Float get(T object) {
             // The scale of the view should match mLastAggregatedValue. Still, if it has been
             // changed without using this property, it can differ. As this get method is usually
             // used to set the starting point on an animation, this would result in some jumps
             // when the view scale is different than the last aggregated value. To stay on the
             // safe side, let's return the real view scale.
-            return mProperty.get(view);
+            return mProperty.get(object);
         }
 
         @Override
@@ -109,7 +121,7 @@
         }
     }
 
-    protected void apply(View view, float value) {
-        mProperty.set(view, value);
+    protected void apply(T object, float value) {
+        mProperty.set(object, value);
     }
 }
diff --git a/src/com/android/launcher3/widget/BaseWidgetSheet.java b/src/com/android/launcher3/widget/BaseWidgetSheet.java
index 5cffd48..2ac1e94 100644
--- a/src/com/android/launcher3/widget/BaseWidgetSheet.java
+++ b/src/com/android/launcher3/widget/BaseWidgetSheet.java
@@ -15,6 +15,8 @@
  */
 package com.android.launcher3.widget;
 
+import static com.android.launcher3.anim.Interpolators.EMPHASIZED;
+
 import android.content.Context;
 import android.graphics.Canvas;
 import android.graphics.Paint;
@@ -26,6 +28,7 @@
 import android.view.View.OnClickListener;
 import android.view.View.OnLongClickListener;
 import android.view.WindowInsets;
+import android.view.animation.Interpolator;
 import android.widget.Toast;
 
 import androidx.annotation.GuardedBy;
@@ -246,6 +249,12 @@
         return true;
     }
 
+    @Override
+    protected Interpolator getIdleInterpolator() {
+        return mActivityContext.getDeviceProfile().isTablet
+                ? EMPHASIZED : super.getIdleInterpolator();
+    }
+
     //
     // Drag related handling methods that implement {@link DragSource} interface.
     //
diff --git a/src/com/android/launcher3/widget/picker/WidgetsFullSheet.java b/src/com/android/launcher3/widget/picker/WidgetsFullSheet.java
index 0d9198f..da8e25c 100644
--- a/src/com/android/launcher3/widget/picker/WidgetsFullSheet.java
+++ b/src/com/android/launcher3/widget/picker/WidgetsFullSheet.java
@@ -85,7 +85,6 @@
         implements ProviderChangedListener, OnActivePageChangedListener,
         WidgetsRecyclerView.HeaderViewDimensionsProvider, SearchModeListener {
 
-    private static final long DEFAULT_OPEN_DURATION = 267;
     private static final long FADE_IN_DURATION = 150;
     private static final long EDUCATION_TIP_DELAY_MS = 200;
     private static final long EDUCATION_DIALOG_DELAY_MS = 500;
@@ -582,7 +581,7 @@
             mOpenCloseAnimator.setValues(
                     PropertyValuesHolder.ofFloat(TRANSLATION_SHIFT, TRANSLATION_SHIFT_OPENED));
             mOpenCloseAnimator
-                    .setDuration(DEFAULT_OPEN_DURATION)
+                    .setDuration(mActivityContext.getDeviceProfile().bottomSheetOpenDuration)
                     .setInterpolator(AnimationUtils.loadInterpolator(
                             getContext(), android.R.interpolator.linear_out_slow_in));
             mOpenCloseAnimator.addListener(new AnimatorListenerAdapter() {
@@ -603,7 +602,7 @@
 
     @Override
     protected void handleClose(boolean animate) {
-        handleClose(animate, DEFAULT_OPEN_DURATION);
+        handleClose(animate, mActivityContext.getDeviceProfile().bottomSheetCloseDuration);
     }
 
     @Override
diff --git a/src_ui_overrides/com/android/launcher3/uioverrides/states/AllAppsState.java b/src_ui_overrides/com/android/launcher3/uioverrides/states/AllAppsState.java
index 9daea94..a581f91 100644
--- a/src_ui_overrides/com/android/launcher3/uioverrides/states/AllAppsState.java
+++ b/src_ui_overrides/com/android/launcher3/uioverrides/states/AllAppsState.java
@@ -42,9 +42,9 @@
     @Override
     public <DEVICE_PROFILE_CONTEXT extends Context & DeviceProfileListenable>
     int getTransitionDuration(DEVICE_PROFILE_CONTEXT context, boolean isToState) {
-        return !context.getDeviceProfile().isTablet && isToState
-                ? 600
-                : isToState ? 500 : 300;
+        return isToState
+                ? context.getDeviceProfile().allAppsOpenDuration
+                : context.getDeviceProfile().allAppsCloseDuration;
     }
 
     @Override
diff --git a/tests/src/com/android/launcher3/util/MultiAdditivePropertyTest.kt b/tests/src/com/android/launcher3/util/MultiPropertyFactoryTest.kt
similarity index 75%
rename from tests/src/com/android/launcher3/util/MultiAdditivePropertyTest.kt
rename to tests/src/com/android/launcher3/util/MultiPropertyFactoryTest.kt
index 309d055..a4f189c 100644
--- a/tests/src/com/android/launcher3/util/MultiAdditivePropertyTest.kt
+++ b/tests/src/com/android/launcher3/util/MultiPropertyFactoryTest.kt
@@ -16,26 +16,32 @@
 
 package com.android.launcher3.util
 
-import android.view.View
+import android.util.FloatProperty
 import androidx.test.ext.junit.runners.AndroidJUnit4
 import androidx.test.filters.SmallTest
 import com.google.common.truth.Truth.assertThat
 import org.junit.Test
 import org.junit.runner.RunWith
 
-/** Unit tests for [MultiAdditivePropertyFactory] */
+/** Unit tests for [MultiPropertyFactory] */
 @SmallTest
 @RunWith(AndroidJUnit4::class)
-class MultiAdditivePropertyTest {
+class MultiPropertyFactoryTest {
 
     private val received = mutableListOf<Float>()
 
-    private val factory =
-        object : MultiAdditivePropertyFactory<View?>("Test", View.TRANSLATION_X) {
-            override fun apply(obj: View?, value: Float) {
-                received.add(value)
-            }
+    private val receiveProperty: FloatProperty<Any> = object : FloatProperty<Any>("receive") {
+        override fun setValue(obj: Any?, value: Float) {
+            received.add(value)
         }
+        override fun get(o: Any): Float {
+            return 0f
+        }
+    }
+
+    private val factory = MultiPropertyFactory("depth_property", receiveProperty) {
+        x: Float, y: Float -> x + y
+    }
 
     private val p1 = factory.get(1)
     private val p2 = factory.get(2)