diff --git a/aconfig/launcher.aconfig b/aconfig/launcher.aconfig
index 15ac9e3..31a9009 100644
--- a/aconfig/launcher.aconfig
+++ b/aconfig/launcher.aconfig
@@ -323,3 +323,11 @@
     description: "Search bar persists at the bottom of the screen across Launcher states"
     bug: "346408388"
 }
+
+flag {
+    name: "multiline_search_bar"
+    namespace: "launcher"
+    description: "Search bar can wrap to multi-line"
+    bug: "341795751"
+}
+
diff --git a/go/quickstep/src/com/android/quickstep/TaskOverlayFactoryGo.java b/go/quickstep/src/com/android/quickstep/TaskOverlayFactoryGo.java
index 26ca06a..68558fa 100644
--- a/go/quickstep/src/com/android/quickstep/TaskOverlayFactoryGo.java
+++ b/go/quickstep/src/com/android/quickstep/TaskOverlayFactoryGo.java
@@ -56,7 +56,7 @@
 import com.android.quickstep.util.AssistContentRequester;
 import com.android.quickstep.util.RecentsOrientedState;
 import com.android.quickstep.views.GoOverviewActionsView;
-import com.android.quickstep.views.TaskView.TaskContainer;
+import com.android.quickstep.views.TaskContainer;
 import com.android.systemui.shared.recents.model.Task;
 import com.android.systemui.shared.recents.model.ThumbnailData;
 
diff --git a/quickstep/src/com/android/launcher3/taskbar/TaskbarEduTooltip.kt b/quickstep/src/com/android/launcher3/taskbar/TaskbarEduTooltip.kt
index c45c667..7f9d8a3 100644
--- a/quickstep/src/com/android/launcher3/taskbar/TaskbarEduTooltip.kt
+++ b/quickstep/src/com/android/launcher3/taskbar/TaskbarEduTooltip.kt
@@ -27,6 +27,7 @@
 import android.view.ViewGroup
 import android.view.ViewGroup.LayoutParams.MATCH_PARENT
 import android.view.animation.Interpolator
+import android.window.OnBackInvokedDispatcher
 import androidx.core.view.updateLayoutParams
 import com.android.app.animation.Interpolators.EMPHASIZED_ACCELERATE
 import com.android.app.animation.Interpolators.EMPHASIZED_DECELERATE
@@ -66,11 +67,14 @@
     /** Container where the tooltip's body should be inflated. */
     lateinit var content: ViewGroup
         private set
+
     private lateinit var arrow: View
 
     /** Callback invoked when the tooltip is being closed. */
     var onCloseCallback: () -> Unit = {}
     private var openCloseAnimator: AnimatorSet? = null
+    /** Used to set whether users can tap outside the current tooltip window to dismiss it */
+    var allowTouchDismissal = true
 
     /** Animates the tooltip into view. */
     fun show() {
@@ -134,14 +138,25 @@
     override fun isOfType(type: Int): Boolean = type and TYPE_TASKBAR_EDUCATION_DIALOG != 0
 
     override fun onControllerInterceptTouchEvent(ev: MotionEvent?): Boolean {
-        if (ev?.action == ACTION_DOWN && !activityContext.dragLayer.isEventOverView(this, ev)) {
+        if (
+            ev?.action == ACTION_DOWN &&
+                !activityContext.dragLayer.isEventOverView(this, ev) &&
+                allowTouchDismissal
+        ) {
             close(true)
         }
         return false
     }
 
+    override fun onAttachedToWindow() {
+        super.onAttachedToWindow()
+        findOnBackInvokedDispatcher()
+            ?.registerOnBackInvokedCallback(OnBackInvokedDispatcher.PRIORITY_DEFAULT, this)
+    }
+
     override fun onDetachedFromWindow() {
         super.onDetachedFromWindow()
+        findOnBackInvokedDispatcher()?.unregisterOnBackInvokedCallback(this)
         Settings.Secure.putInt(mContext.contentResolver, LAUNCHER_TASKBAR_EDUCATION_SHOWING, 0)
     }
 
diff --git a/quickstep/src/com/android/launcher3/taskbar/TaskbarEduTooltipController.kt b/quickstep/src/com/android/launcher3/taskbar/TaskbarEduTooltipController.kt
index 5cbd5c9..d57c483 100644
--- a/quickstep/src/com/android/launcher3/taskbar/TaskbarEduTooltipController.kt
+++ b/quickstep/src/com/android/launcher3/taskbar/TaskbarEduTooltipController.kt
@@ -86,10 +86,13 @@
                 !activityContext.isPhoneMode &&
                 !activityContext.isTinyTaskbar
         }
+
     private val isOpen: Boolean
         get() = tooltip?.isOpen ?: false
+
     val isBeforeTooltipFeaturesStep: Boolean
         get() = isTooltipEnabled && tooltipStep <= TOOLTIP_STEP_FEATURES
+
     private lateinit var controllers: TaskbarControllers
 
     // Keep track of whether the user has seen the Search Edu
@@ -152,6 +155,7 @@
         tooltipStep = TOOLTIP_STEP_NONE
         inflateTooltip(R.layout.taskbar_edu_features)
         tooltip?.run {
+            allowTouchDismissal = false
             val splitscreenAnim = requireViewById<LottieAnimationView>(R.id.splitscreen_animation)
             val suggestionsAnim = requireViewById<LottieAnimationView>(R.id.suggestions_animation)
             val pinningAnim = requireViewById<LottieAnimationView>(R.id.pinning_animation)
@@ -216,6 +220,7 @@
         inflateTooltip(R.layout.taskbar_edu_pinning)
 
         tooltip?.run {
+            allowTouchDismissal = true
             requireViewById<LottieAnimationView>(R.id.standalone_pinning_animation)
                 .supportLightTheme()
 
@@ -260,6 +265,7 @@
         userHasSeenSearchEdu = true
         inflateTooltip(R.layout.taskbar_edu_search)
         tooltip?.run {
+            allowTouchDismissal = true
             requireViewById<LottieAnimationView>(R.id.search_edu_animation).supportLightTheme()
             val eduSubtitle: TextView = requireViewById(R.id.search_edu_text)
             showDisclosureText(eduSubtitle)
@@ -332,7 +338,9 @@
     }
 
     /** Closes the current [tooltip]. */
-    fun hide() = tooltip?.close(true)
+    fun hide() {
+        tooltip?.close(true)
+    }
 
     /** Initializes [tooltip] with content from [contentResId]. */
     private fun inflateTooltip(@LayoutRes contentResId: Int) {
diff --git a/quickstep/src/com/android/launcher3/taskbar/TaskbarManager.java b/quickstep/src/com/android/launcher3/taskbar/TaskbarManager.java
index b294208..8a62bf8 100644
--- a/quickstep/src/com/android/launcher3/taskbar/TaskbarManager.java
+++ b/quickstep/src/com/android/launcher3/taskbar/TaskbarManager.java
@@ -648,8 +648,7 @@
         }
     }
 
-    @VisibleForTesting
-    void addTaskbarRootViewToWindow() {
+    private void addTaskbarRootViewToWindow() {
         if (enableTaskbarNoRecreate() && !mAddedWindow && mTaskbarActivityContext != null) {
             mWindowManager.addView(mTaskbarRootLayout,
                     mTaskbarActivityContext.getWindowLayoutParams());
@@ -657,8 +656,7 @@
         }
     }
 
-    @VisibleForTesting
-    void removeTaskbarRootViewFromWindow() {
+    private void removeTaskbarRootViewFromWindow() {
         if (enableTaskbarNoRecreate() && mAddedWindow) {
             mWindowManager.removeViewImmediate(mTaskbarRootLayout);
             mAddedWindow = false;
diff --git a/quickstep/src/com/android/launcher3/taskbar/TaskbarUIController.java b/quickstep/src/com/android/launcher3/taskbar/TaskbarUIController.java
index f24bc21..170e018 100644
--- a/quickstep/src/com/android/launcher3/taskbar/TaskbarUIController.java
+++ b/quickstep/src/com/android/launcher3/taskbar/TaskbarUIController.java
@@ -43,8 +43,8 @@
 import com.android.quickstep.util.GroupTask;
 import com.android.quickstep.util.TISBindHelper;
 import com.android.quickstep.views.RecentsView;
+import com.android.quickstep.views.TaskContainer;
 import com.android.quickstep.views.TaskView;
-import com.android.quickstep.views.TaskView.TaskContainer;
 import com.android.systemui.shared.recents.model.Task;
 import com.android.systemui.shared.system.QuickStepContract.SystemUiStateFlags;
 
diff --git a/quickstep/src/com/android/launcher3/taskbar/bubbles/BubbleBarController.java b/quickstep/src/com/android/launcher3/taskbar/bubbles/BubbleBarController.java
index 15e4578..f6b1328 100644
--- a/quickstep/src/com/android/launcher3/taskbar/bubbles/BubbleBarController.java
+++ b/quickstep/src/com/android/launcher3/taskbar/bubbles/BubbleBarController.java
@@ -322,27 +322,45 @@
                         || mImeVisibilityChecker.isImeVisible();
 
         BubbleBarBubble bubbleToSelect = null;
-        if (!update.removedBubbles.isEmpty()) {
-            for (int i = 0; i < update.removedBubbles.size(); i++) {
-                RemovedBubble removedBubble = update.removedBubbles.get(i);
-                BubbleBarBubble bubble = mBubbles.remove(removedBubble.getKey());
-                if (bubble != null) {
-                    mBubbleBarViewController.removeBubble(bubble);
-                } else {
-                    Log.w(TAG, "trying to remove bubble that doesn't exist: "
-                            + removedBubble.getKey());
+
+        if (update.addedBubble != null && update.removedBubbles.size() == 1) {
+            // we're adding and removing a bubble at the same time. handle this as a single update.
+            RemovedBubble removedBubble = update.removedBubbles.get(0);
+            BubbleBarBubble bubbleToRemove = mBubbles.remove(removedBubble.getKey());
+            mBubbles.put(update.addedBubble.getKey(), update.addedBubble);
+            if (bubbleToRemove != null) {
+                mBubbleBarViewController.addBubbleAndRemoveBubble(update.addedBubble,
+                        bubbleToRemove, isExpanding, suppressAnimation);
+            } else {
+                mBubbleBarViewController.addBubble(update.addedBubble, isExpanding,
+                        suppressAnimation);
+                Log.w(TAG, "trying to remove bubble that doesn't exist: " + removedBubble.getKey());
+            }
+        } else {
+            if (!update.removedBubbles.isEmpty()) {
+                for (int i = 0; i < update.removedBubbles.size(); i++) {
+                    RemovedBubble removedBubble = update.removedBubbles.get(i);
+                    BubbleBarBubble bubble = mBubbles.remove(removedBubble.getKey());
+                    if (bubble != null) {
+                        mBubbleBarViewController.removeBubble(bubble);
+                    } else {
+                        Log.w(TAG, "trying to remove bubble that doesn't exist: "
+                                + removedBubble.getKey());
+                    }
                 }
             }
-        }
-        if (update.addedBubble != null) {
-            mBubbles.put(update.addedBubble.getKey(), update.addedBubble);
-            mBubbleBarViewController.addBubble(update.addedBubble, isExpanding, suppressAnimation);
-            if (isCollapsed) {
-                // If we're collapsed, the most recently added bubble will be selected.
-                bubbleToSelect = update.addedBubble;
+            if (update.addedBubble != null) {
+                mBubbles.put(update.addedBubble.getKey(), update.addedBubble);
+                mBubbleBarViewController.addBubble(update.addedBubble, isExpanding,
+                        suppressAnimation);
             }
-
         }
+
+        if (update.addedBubble != null && isCollapsed) {
+            // If we're collapsed, the most recently added bubble will be selected.
+            bubbleToSelect = update.addedBubble;
+        }
+
         if (update.currentBubbles != null && !update.currentBubbles.isEmpty()) {
             // Iterate in reverse because new bubbles are added in front and the list is in order.
             for (int i = update.currentBubbles.size() - 1; i >= 0; i--) {
diff --git a/quickstep/src/com/android/launcher3/taskbar/bubbles/BubbleBarView.java b/quickstep/src/com/android/launcher3/taskbar/bubbles/BubbleBarView.java
index 0ea5031..753237a 100644
--- a/quickstep/src/com/android/launcher3/taskbar/bubbles/BubbleBarView.java
+++ b/quickstep/src/com/android/launcher3/taskbar/bubbles/BubbleBarView.java
@@ -626,6 +626,7 @@
     /**
      * Set bubble bar relative pivot value for X and Y, applied as a fraction of view width/height
      * respectively. If the value is not in range of 0 to 1 it will be normalized.
+     *
      * @param x relative X pivot value in range 0..1
      * @param y relative Y pivot value in range 0..1
      */
@@ -665,7 +666,9 @@
     }
 
     /** Add a new bubble to the bubble bar. */
-    public void addBubble(View bubble, FrameLayout.LayoutParams lp) {
+    public void addBubble(View bubble) {
+        FrameLayout.LayoutParams lp = new FrameLayout.LayoutParams((int) mIconSize, (int) mIconSize,
+                Gravity.LEFT);
         if (isExpanded()) {
             // if we're expanded scale the new bubble in
             bubble.setScaleX(0f);
@@ -702,14 +705,58 @@
         }
     }
 
+    /** Add a new bubble and remove an old bubble from the bubble bar. */
+    public void addBubbleAndRemoveBubble(View addedBubble, View removedBubble) {
+        FrameLayout.LayoutParams lp = new FrameLayout.LayoutParams((int) mIconSize, (int) mIconSize,
+                Gravity.LEFT);
+        if (!isExpanded()) {
+            removeView(removedBubble);
+            addView(addedBubble, 0, lp);
+            return;
+        }
+        addedBubble.setScaleX(0f);
+        addedBubble.setScaleY(0f);
+        addView(addedBubble, 0, lp);
+
+        int indexOfSelectedBubble = indexOfChild(mSelectedBubbleView);
+        int indexOfBubbleToRemove = indexOfChild(removedBubble);
+
+        mBubbleAnimator = new BubbleAnimator(mIconSize, mExpandedBarIconsSpacing,
+                getChildCount(), mBubbleBarLocation.isOnLeft(isLayoutRtl()));
+        BubbleAnimator.Listener listener = new BubbleAnimator.Listener() {
+
+            @Override
+            public void onAnimationEnd() {
+                removeView(removedBubble);
+                updateWidth();
+                mBubbleAnimator = null;
+            }
+
+            @Override
+            public void onAnimationCancel() {
+                addedBubble.setScaleX(1);
+                addedBubble.setScaleY(1);
+                removedBubble.setScaleX(0);
+                removedBubble.setScaleY(0);
+            }
+
+            @Override
+            public void onAnimationUpdate(float animatedFraction) {
+                addedBubble.setScaleX(animatedFraction);
+                addedBubble.setScaleY(animatedFraction);
+                removedBubble.setScaleX(1 - animatedFraction);
+                removedBubble.setScaleY(1 - animatedFraction);
+                updateBubblesLayoutProperties(mBubbleBarLocation);
+                invalidate();
+            }
+        };
+        mBubbleAnimator.animateNewAndRemoveOld(indexOfSelectedBubble, indexOfBubbleToRemove,
+                listener);
+    }
+
     // TODO: (b/280605790) animate it
     @Override
     public void addView(View child, int index, ViewGroup.LayoutParams params) {
-        if (getChildCount() + 1 > MAX_BUBBLES) {
-            // the last child view is the overflow bubble and we shouldn't remove that. remove the
-            // second to last child view.
-            removeViewInLayout(getChildAt(getChildCount() - 2));
-        }
         super.addView(child, index, params);
         updateWidth();
         updateBubbleAccessibilityStates();
@@ -848,16 +895,18 @@
                 // where the bubble will end up when the animation ends
                 final float targetX = expandedX + expandedBarShift;
                 bv.setTranslationX(widthState * (targetX - collapsedX) + collapsedX);
-                // When we're expanded, we're not stacked so we're not behind the stack
-                bv.setBehindStack(false, animate);
+                // When we're expanded, the badge is visible for all bubbles
+                bv.updateBadgeVisibility(/* show= */ true);
+                bv.setDotScale(widthState);
                 bv.setAlpha(1);
             } else {
                 // If bar is on the right, account for bubble bar expanding and shifting left
                 final float collapsedBarShift = onLeft ? 0 : currentWidth - collapsedWidth;
                 final float targetX = collapsedX + collapsedBarShift;
                 bv.setTranslationX(widthState * (expandedX - targetX) + targetX);
-                // If we're not the first bubble we're behind the stack
-                bv.setBehindStack(i > 0, animate);
+                // The badge is always visible for the first bubble
+                bv.updateBadgeVisibility(/* show= */ i == 0);
+                bv.setDotScale(widthState);
                 // If we're fully collapsed, hide all bubbles except for the first 2. If there are
                 // only 2 bubbles, hide the second bubble as well because it's the overflow.
                 if (widthState == 0) {
@@ -911,7 +960,7 @@
         final float iconAndSpacing = getScaledIconSize() + mExpandedBarIconsSpacing;
         float translationX;
         if (mBubbleAnimator != null && mBubbleAnimator.isRunning()) {
-            return mBubbleAnimator.getExpandedBubbleTranslationX(bubbleIndex) + mBubbleBarPadding;
+            return mBubbleAnimator.getBubbleTranslationX(bubbleIndex) + mBubbleBarPadding;
         } else if (onLeft) {
             translationX = mBubbleBarPadding + (bubbleCount - bubbleIndex - 1) * iconAndSpacing;
         } else {
diff --git a/quickstep/src/com/android/launcher3/taskbar/bubbles/BubbleBarViewController.java b/quickstep/src/com/android/launcher3/taskbar/bubbles/BubbleBarViewController.java
index da0826b..dbc78db 100644
--- a/quickstep/src/com/android/launcher3/taskbar/bubbles/BubbleBarViewController.java
+++ b/quickstep/src/com/android/launcher3/taskbar/bubbles/BubbleBarViewController.java
@@ -25,10 +25,8 @@
 import android.util.DisplayMetrics;
 import android.util.Log;
 import android.util.TypedValue;
-import android.view.Gravity;
 import android.view.MotionEvent;
 import android.view.View;
-import android.widget.FrameLayout;
 
 import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
@@ -386,7 +384,7 @@
     /**
      * Removes the provided bubble from the bubble bar.
      */
-    public void removeBubble(BubbleBarItem b) {
+    public void removeBubble(BubbleBarBubble b) {
         if (b != null) {
             mBarView.removeBubble(b.getView());
         } else {
@@ -394,13 +392,23 @@
         }
     }
 
+    /** Adds a new bubble and removes an old bubble at the same time. */
+    public void addBubbleAndRemoveBubble(BubbleBarBubble addedBubble,
+            BubbleBarBubble removedBubble, boolean isExpanding, boolean suppressAnimation) {
+        mBarView.addBubbleAndRemoveBubble(addedBubble.getView(), removedBubble.getView());
+        addedBubble.getView().setOnClickListener(mBubbleClickListener);
+        mBubbleDragController.setupBubbleView(addedBubble.getView());
+        if (!suppressAnimation) {
+            animateBubbleNotification(addedBubble, isExpanding);
+        }
+    }
+
     /**
      * Adds the provided bubble to the bubble bar.
      */
     public void addBubble(BubbleBarItem b, boolean isExpanding, boolean suppressAnimation) {
         if (b != null) {
-            mBarView.addBubble(
-                    b.getView(), new FrameLayout.LayoutParams(mIconSize, mIconSize, Gravity.LEFT));
+            mBarView.addBubble(b.getView());
             b.getView().setOnClickListener(mBubbleClickListener);
             mBubbleDragController.setupBubbleView(b.getView());
 
diff --git a/quickstep/src/com/android/launcher3/taskbar/bubbles/BubbleView.java b/quickstep/src/com/android/launcher3/taskbar/bubbles/BubbleView.java
index 2f92fbb..0e26c54 100644
--- a/quickstep/src/com/android/launcher3/taskbar/bubbles/BubbleView.java
+++ b/quickstep/src/com/android/launcher3/taskbar/bubbles/BubbleView.java
@@ -35,8 +35,6 @@
 import com.android.launcher3.icons.IconNormalizer;
 import com.android.wm.shell.animation.Interpolators;
 
-import java.util.EnumSet;
-
 // TODO: (b/276978250) This is will be similar to WMShell's BadgedImageView, it'd be nice to share.
 
 /**
@@ -47,22 +45,6 @@
 
     public static final int DEFAULT_PATH_SIZE = 100;
 
-    /**
-     * Flags that suppress the visibility of the 'new' dot or the app badge, for one reason or
-     * another. If any of these flags are set, the dot will not be shown.
-     * If {@link SuppressionFlag#BEHIND_STACK} then the app badge will not be shown.
-     */
-    enum SuppressionFlag {
-        // TODO: (b/277815200) implement flyout
-        // Suppressed because the flyout is visible - it will morph into the dot via animation.
-        FLYOUT_VISIBLE,
-        // Suppressed because this bubble is behind others in the collapsed stack.
-        BEHIND_STACK,
-    }
-
-    private final EnumSet<SuppressionFlag> mSuppressionFlags =
-            EnumSet.noneOf(SuppressionFlag.class);
-
     private final ImageView mBubbleIcon;
     private final ImageView mAppIcon;
     private final int mBubbleSize;
@@ -230,7 +212,7 @@
         }
     }
 
-    void updateBadgeVisibility() {
+    void updateBadgeVisibility(boolean show) {
         if (mBubble instanceof BubbleBarOverflow) {
             // The overflow bubble does not have a badge, so just bail.
             return;
@@ -241,39 +223,24 @@
                 ? -(bubble.getIcon().getWidth() - appBadgeBitmap.getWidth())
                 : 0;
         mAppIcon.setTranslationX(translationX);
-        mAppIcon.setVisibility(isBehindStack() ? GONE : VISIBLE);
-    }
-
-    /** Sets whether this bubble is in the stack & not the first bubble. **/
-    void setBehindStack(boolean behindStack, boolean animate) {
-        if (behindStack) {
-            mSuppressionFlags.add(SuppressionFlag.BEHIND_STACK);
-        } else {
-            mSuppressionFlags.remove(SuppressionFlag.BEHIND_STACK);
-        }
-        updateDotVisibility(animate);
-        updateBadgeVisibility();
-    }
-
-    /** Whether this bubble is in the stack & not the first bubble. **/
-    boolean isBehindStack() {
-        return mSuppressionFlags.contains(SuppressionFlag.BEHIND_STACK);
+        mAppIcon.setVisibility(show ? VISIBLE : GONE);
     }
 
     /** Whether the dot indicating unseen content in a bubble should be shown. */
     private boolean shouldDrawDot() {
         boolean bubbleHasUnseenContent = mBubble != null
                 && mBubble instanceof BubbleBarBubble
-                && mSuppressionFlags.isEmpty()
                 && !((BubbleBarBubble) mBubble).getInfo().isNotificationSuppressed();
-
         // Always render the dot if it's animating, since it could be animating out. Otherwise, show
         // it if the bubble wants to show it, and we aren't suppressing it.
         return bubbleHasUnseenContent || mDotIsAnimating;
     }
 
     /** How big the dot should be, fraction from 0 to 1. */
-    private void setDotScale(float fraction) {
+    void setDotScale(float fraction) {
+        if (!shouldDrawDot()) {
+            return;
+        }
         mDotScale = fraction;
         invalidate();
     }
@@ -283,14 +250,14 @@
      */
     private void animateDotScale() {
         float toScale = shouldDrawDot() ? 1f : 0f;
-        mDotIsAnimating = true;
+        boolean isDotScaleChanging = Float.compare(mDotScale, toScale) != 0;
 
-        // Don't restart the animation if we're already animating to the given value.
-        if (mAnimatingToDotScale == toScale || !shouldDrawDot()) {
-            mDotIsAnimating = false;
+        // Don't restart the animation if we're already animating to the given value or if the dot
+        // scale is not changing
+        if ((mDotIsAnimating && mAnimatingToDotScale == toScale) || !isDotScaleChanging) {
             return;
         }
-
+        mDotIsAnimating = true;
         mAnimatingToDotScale = toScale;
 
         final boolean showDot = toScale > 0f;
diff --git a/quickstep/src/com/android/launcher3/taskbar/bubbles/animation/BubbleAnimator.kt b/quickstep/src/com/android/launcher3/taskbar/bubbles/animation/BubbleAnimator.kt
index 7672743..8af8ffb 100644
--- a/quickstep/src/com/android/launcher3/taskbar/bubbles/animation/BubbleAnimator.kt
+++ b/quickstep/src/com/android/launcher3/taskbar/bubbles/animation/BubbleAnimator.kt
@@ -56,6 +56,20 @@
         animator.start()
     }
 
+    fun animateNewAndRemoveOld(
+        selectedBubbleIndex: Int,
+        removedBubbleIndex: Int,
+        listener: Listener
+    ) {
+        animator = createAnimator(listener)
+        state =
+            State.AddingAndRemoving(
+                selectedBubbleIndex = selectedBubbleIndex,
+                removedBubbleIndex = removedBubbleIndex
+            )
+        animator.start()
+    }
+
     private fun createAnimator(listener: Listener): ValueAnimator {
         val animator = ValueAnimator.ofFloat(0f, 1f).setDuration(ANIMATION_DURATION_MS)
         animator.addUpdateListener { animation ->
@@ -83,28 +97,35 @@
     }
 
     /**
-     * The translation X of the bubble at index [bubbleIndex] according to the progress of the
-     * animation.
+     * The translation X of the bubble at index [bubbleIndex] when the bubble bar is expanded
+     * according to the progress of this animation.
      *
      * Callers should verify that the animation is running before calling this.
      *
      * @see isRunning
      */
-    fun getExpandedBubbleTranslationX(bubbleIndex: Int): Float {
+    fun getBubbleTranslationX(bubbleIndex: Int): Float {
         return when (val state = state) {
             State.Idle -> 0f
             is State.AddingBubble ->
-                getExpandedBubbleTranslationXWhileScalingBubble(
+                getBubbleTranslationXWhileScalingBubble(
                     bubbleIndex = bubbleIndex,
                     scalingBubbleIndex = 0,
                     bubbleScale = animator.animatedFraction
                 )
             is State.RemovingBubble ->
-                getExpandedBubbleTranslationXWhileScalingBubble(
+                getBubbleTranslationXWhileScalingBubble(
                     bubbleIndex = bubbleIndex,
                     scalingBubbleIndex = state.bubbleIndex,
                     bubbleScale = 1 - animator.animatedFraction
                 )
+            is State.AddingAndRemoving ->
+                getBubbleTranslationXWhileAddingBubbleAtLimit(
+                    bubbleIndex = bubbleIndex,
+                    removedBubbleIndex = state.removedBubbleIndex,
+                    addedBubbleScale = animator.animatedFraction,
+                    removedBubbleScale = 1 - animator.animatedFraction
+                )
         }
     }
 
@@ -121,6 +142,14 @@
                 State.Idle -> 0f
                 is State.AddingBubble -> animator.animatedFraction
                 is State.RemovingBubble -> 1 - animator.animatedFraction
+                is State.AddingAndRemoving -> {
+                    // since we're adding a bubble and removing another bubble, their sizes together
+                    // equal to a single bubble. the width is the same as having bubbleCount - 1
+                    // bubbles at full scale.
+                    val totalSpace = (bubbleCount - 2) * expandedBarIconSpacing
+                    val totalIconSize = (bubbleCount - 1) * iconSize
+                    return totalIconSize + totalSpace
+                }
             }
         // When this animator is running the bubble bar is expanded so it's safe to assume that we
         // have at least 2 bubbles, but should update the logic to support optional overflow.
@@ -144,7 +173,7 @@
             State.Idle -> 0f
             is State.AddingBubble -> {
                 val tx =
-                    getExpandedBubbleTranslationXWhileScalingBubble(
+                    getBubbleTranslationXWhileScalingBubble(
                         bubbleIndex = state.selectedBubbleIndex,
                         scalingBubbleIndex = 0,
                         bubbleScale = animator.animatedFraction
@@ -152,6 +181,17 @@
                 tx + iconSize / 2f
             }
             is State.RemovingBubble -> getArrowPositionWhenRemovingBubble(state)
+            is State.AddingAndRemoving -> {
+                // we never remove the selected bubble, so the arrow stays pointing to its center
+                val tx =
+                    getBubbleTranslationXWhileAddingBubbleAtLimit(
+                        bubbleIndex = state.selectedBubbleIndex,
+                        removedBubbleIndex = state.removedBubbleIndex,
+                        addedBubbleScale = animator.animatedFraction,
+                        removedBubbleScale = 1 - animator.animatedFraction
+                    )
+                tx + iconSize / 2f
+            }
         }
     }
 
@@ -160,7 +200,7 @@
             // if we're not removing the selected bubble, the selected bubble doesn't change so just
             // return the translation X of the selected bubble and add half icon
             val tx =
-                getExpandedBubbleTranslationXWhileScalingBubble(
+                getBubbleTranslationXWhileScalingBubble(
                     bubbleIndex = state.selectedBubbleIndex,
                     scalingBubbleIndex = state.bubbleIndex,
                     bubbleScale = 1 - animator.animatedFraction
@@ -208,7 +248,7 @@
      * @param scalingBubbleIndex the index of the bubble that is animating
      * @param bubbleScale the current scale of the animating bubble
      */
-    private fun getExpandedBubbleTranslationXWhileScalingBubble(
+    private fun getBubbleTranslationXWhileScalingBubble(
         bubbleIndex: Int,
         scalingBubbleIndex: Int,
         bubbleScale: Float
@@ -256,6 +296,68 @@
         }
     }
 
+    private fun getBubbleTranslationXWhileAddingBubbleAtLimit(
+        bubbleIndex: Int,
+        removedBubbleIndex: Int,
+        addedBubbleScale: Float,
+        removedBubbleScale: Float
+    ): Float {
+        val iconAndSpacing = iconSize + expandedBarIconSpacing
+        // the bubbles are scaling from the center, so we need to adjust their translation so
+        // that the distance to the adjacent bubble scales at the same rate.
+        val addedBubblePivotAdjustment = -(1 - addedBubbleScale) * iconSize / 2f
+        val removedBubblePivotAdjustment = -(1 - removedBubbleScale) * iconSize / 2f
+
+        return if (onLeft) {
+            // this is how many bubbles there are to the left of the current bubble.
+            // when the bubble bar is on the right the added bubble is the right-most bubble so it
+            // doesn't affect the translation of any other bubble.
+            // when the removed bubble is to the left of the current bubble, we need to subtract it
+            // from bubblesToLeft and use removedBubbleScale instead when calculating the
+            // translation.
+            val bubblesToLeft = bubbleCount - bubbleIndex - 1
+            when {
+                bubbleIndex == 0 ->
+                    // this is the added bubble and it's the right-most bubble. account for all the
+                    // other bubbles -- including the removed bubble -- and adjust for the added
+                    // bubble pivot.
+                    (bubblesToLeft - 1 + removedBubbleScale) * iconAndSpacing +
+                        addedBubblePivotAdjustment
+                bubbleIndex < removedBubbleIndex ->
+                    // the removed bubble is to the left so account for it
+                    (bubblesToLeft - 1 + removedBubbleScale) * iconAndSpacing
+                bubbleIndex == removedBubbleIndex -> {
+                    // this is the removed bubble. all the bubbles to the left are at full scale
+                    // but we need to scale the spacing between the removed bubble and the bubble to
+                    // its left because the removed bubble disappears towards the left side
+                    val totalIconSize = bubblesToLeft * iconSize
+                    val totalSpacing =
+                        (bubblesToLeft - 1 + removedBubbleScale) * expandedBarIconSpacing
+                    totalIconSize + totalSpacing + removedBubblePivotAdjustment
+                }
+                else ->
+                    // both added and removed bubbles are to the right so they don't affect the tx
+                    bubblesToLeft * iconAndSpacing
+            }
+        } else {
+            when {
+                bubbleIndex == 0 -> addedBubblePivotAdjustment // we always add bubbles at index 0
+                bubbleIndex < removedBubbleIndex ->
+                    // the bar is on the right and the removed bubble is on the right. the current
+                    // bubble is unaffected by the removed bubble. only need to factor in the added
+                    // bubble's scale.
+                    iconAndSpacing * (bubbleIndex - 1 + addedBubbleScale)
+                bubbleIndex == removedBubbleIndex ->
+                    // the bar is on the right, and this is the animating bubble.
+                    iconAndSpacing * (bubbleIndex - 1 + addedBubbleScale) +
+                        removedBubblePivotAdjustment
+                else ->
+                    // both the added and the removed bubbles are to the left of the current bubble
+                    iconAndSpacing * (bubbleIndex - 2 + addedBubbleScale + removedBubbleScale)
+            }
+        }
+    }
+
     val isRunning: Boolean
         get() = state != State.Idle
 
@@ -277,6 +379,10 @@
             /** Whether the bubble being removed is also the last bubble. */
             val removingLastBubble: Boolean
         ) : State
+
+        /** A new bubble is being added and an old bubble is being removed from the bubble bar. */
+        data class AddingAndRemoving(val selectedBubbleIndex: Int, val removedBubbleIndex: Int) :
+            State
     }
 
     /** Callbacks for the animation. */
diff --git a/quickstep/src/com/android/launcher3/uioverrides/flags/DevOptionsUiHelper.kt b/quickstep/src/com/android/launcher3/uioverrides/flags/DevOptionsUiHelper.kt
index dc6365b..181cba0 100644
--- a/quickstep/src/com/android/launcher3/uioverrides/flags/DevOptionsUiHelper.kt
+++ b/quickstep/src/com/android/launcher3/uioverrides/flags/DevOptionsUiHelper.kt
@@ -79,6 +79,7 @@
 import com.android.launcher3.util.OnboardingPrefs.HOTSEAT_DISCOVERY_TIP_COUNT
 import com.android.launcher3.util.OnboardingPrefs.HOTSEAT_LONGPRESS_TIP_SEEN
 import com.android.launcher3.util.OnboardingPrefs.TASKBAR_EDU_TOOLTIP_STEP
+import com.android.launcher3.util.OnboardingPrefs.TASKBAR_SEARCH_EDU_SEEN
 import com.android.launcher3.util.PluginManagerWrapper
 import com.android.launcher3.util.StartActivityParams
 import com.android.launcher3.util.UserIconInfo
@@ -394,6 +395,7 @@
                 HOTSEAT_LONGPRESS_TIP_SEEN.sharedPrefKey
             )
             addOnboardPref("Taskbar Education", TASKBAR_EDU_TOOLTIP_STEP.sharedPrefKey)
+            addOnboardPref("Taskbar Search Education", TASKBAR_SEARCH_EDU_SEEN.sharedPrefKey)
             addOnboardPref("All Apps Visited Count", ALL_APPS_VISITED_COUNT.sharedPrefKey)
         }
     }
diff --git a/quickstep/src/com/android/quickstep/AbsSwipeUpHandler.java b/quickstep/src/com/android/quickstep/AbsSwipeUpHandler.java
index fb2a982..bdbe826 100644
--- a/quickstep/src/com/android/quickstep/AbsSwipeUpHandler.java
+++ b/quickstep/src/com/android/quickstep/AbsSwipeUpHandler.java
@@ -138,8 +138,8 @@
 import com.android.quickstep.views.DesktopTaskView;
 import com.android.quickstep.views.RecentsView;
 import com.android.quickstep.views.RecentsViewContainer;
+import com.android.quickstep.views.TaskContainer;
 import com.android.quickstep.views.TaskView;
-import com.android.quickstep.views.TaskView.TaskContainer;
 import com.android.systemui.shared.recents.model.Task;
 import com.android.systemui.shared.recents.model.ThumbnailData;
 import com.android.systemui.shared.system.ActivityManagerWrapper;
diff --git a/quickstep/src/com/android/quickstep/DesktopSystemShortcut.kt b/quickstep/src/com/android/quickstep/DesktopSystemShortcut.kt
index 9c188f3..45e5554 100644
--- a/quickstep/src/com/android/quickstep/DesktopSystemShortcut.kt
+++ b/quickstep/src/com/android/quickstep/DesktopSystemShortcut.kt
@@ -23,7 +23,7 @@
 import com.android.launcher3.popup.SystemShortcut
 import com.android.quickstep.views.RecentsView
 import com.android.quickstep.views.RecentsViewContainer
-import com.android.quickstep.views.TaskView.TaskContainer
+import com.android.quickstep.views.TaskContainer
 import com.android.wm.shell.common.desktopmode.DesktopModeTransitionSource
 import com.android.wm.shell.shared.DesktopModeStatus
 
diff --git a/quickstep/src/com/android/quickstep/RecentsAnimationDeviceState.java b/quickstep/src/com/android/quickstep/RecentsAnimationDeviceState.java
index 7adce74..a7d3890 100644
--- a/quickstep/src/com/android/quickstep/RecentsAnimationDeviceState.java
+++ b/quickstep/src/com/android/quickstep/RecentsAnimationDeviceState.java
@@ -33,6 +33,7 @@
 import static com.android.systemui.shared.system.QuickStepContract.SYSUI_STATE_BUBBLES_EXPANDED;
 import static com.android.systemui.shared.system.QuickStepContract.SYSUI_STATE_DEVICE_DREAMING;
 import static com.android.systemui.shared.system.QuickStepContract.SYSUI_STATE_DIALOG_SHOWING;
+import static com.android.systemui.shared.system.QuickStepContract.SYSUI_STATE_DISABLE_GESTURE_PIP_ANIMATING;
 import static com.android.systemui.shared.system.QuickStepContract.SYSUI_STATE_DISABLE_GESTURE_SPLIT_INVOCATION;
 import static com.android.systemui.shared.system.QuickStepContract.SYSUI_STATE_HOME_DISABLED;
 import static com.android.systemui.shared.system.QuickStepContract.SYSUI_STATE_IME_SHOWING;
@@ -412,7 +413,8 @@
                         | SYSUI_STATE_QUICK_SETTINGS_EXPANDED
                         | SYSUI_STATE_MAGNIFICATION_OVERLAP
                         | SYSUI_STATE_DEVICE_DREAMING
-                        | SYSUI_STATE_DISABLE_GESTURE_SPLIT_INVOCATION;
+                        | SYSUI_STATE_DISABLE_GESTURE_SPLIT_INVOCATION
+                        | SYSUI_STATE_DISABLE_GESTURE_PIP_ANIMATING;
         return (gestureDisablingStates & mSystemUiStateFlags) == 0 && homeOrOverviewEnabled;
     }
 
diff --git a/quickstep/src/com/android/quickstep/TaskOverlayFactory.java b/quickstep/src/com/android/quickstep/TaskOverlayFactory.java
index 5d0d074..b7f3f65 100644
--- a/quickstep/src/com/android/quickstep/TaskOverlayFactory.java
+++ b/quickstep/src/com/android/quickstep/TaskOverlayFactory.java
@@ -44,8 +44,8 @@
 import com.android.quickstep.views.OverviewActionsView;
 import com.android.quickstep.views.RecentsView;
 import com.android.quickstep.views.RecentsViewContainer;
+import com.android.quickstep.views.TaskContainer;
 import com.android.quickstep.views.TaskView;
-import com.android.quickstep.views.TaskView.TaskContainer;
 import com.android.systemui.shared.recents.model.Task;
 import com.android.systemui.shared.recents.model.ThumbnailData;
 
diff --git a/quickstep/src/com/android/quickstep/TaskShortcutFactory.java b/quickstep/src/com/android/quickstep/TaskShortcutFactory.java
index b4862fd..77124bf 100644
--- a/quickstep/src/com/android/quickstep/TaskShortcutFactory.java
+++ b/quickstep/src/com/android/quickstep/TaskShortcutFactory.java
@@ -56,8 +56,8 @@
 import com.android.quickstep.views.GroupedTaskView;
 import com.android.quickstep.views.RecentsView;
 import com.android.quickstep.views.RecentsViewContainer;
+import com.android.quickstep.views.TaskContainer;
 import com.android.quickstep.views.TaskView;
-import com.android.quickstep.views.TaskView.TaskContainer;
 import com.android.systemui.shared.recents.model.Task;
 import com.android.systemui.shared.recents.view.AppTransitionAnimationSpecCompat;
 import com.android.systemui.shared.recents.view.AppTransitionAnimationSpecsFuture;
diff --git a/quickstep/src/com/android/quickstep/util/AppPairsController.java b/quickstep/src/com/android/quickstep/util/AppPairsController.java
index 6f9cbfd..c3d74bb 100644
--- a/quickstep/src/com/android/quickstep/util/AppPairsController.java
+++ b/quickstep/src/com/android/quickstep/util/AppPairsController.java
@@ -22,7 +22,6 @@
 import static com.android.internal.jank.Cuj.CUJ_LAUNCHER_LAUNCH_APP_PAIR_FROM_TASKBAR;
 import static com.android.launcher3.logging.StatsLogManager.LauncherEvent.LAUNCHER_APP_PAIR_LAUNCH;
 import static com.android.launcher3.model.data.AppInfo.PACKAGE_KEY_COMPARATOR;
-import static com.android.launcher3.model.data.ItemInfoWithIcon.FLAG_SUPPORTS_MULTI_INSTANCE;
 import static com.android.launcher3.util.Executors.MAIN_EXECUTOR;
 import static com.android.launcher3.util.Executors.MODEL_EXECUTOR;
 import static com.android.launcher3.util.SplitConfigurationOptions.STAGE_POSITION_BOTTOM_OR_RIGHT;
@@ -45,8 +44,6 @@
 
 import com.android.internal.jank.Cuj;
 import com.android.launcher3.LauncherAppState;
-import com.android.launcher3.LauncherSettings;
-import com.android.launcher3.R;
 import com.android.launcher3.accessibility.LauncherAccessibilityDelegate;
 import com.android.launcher3.allapps.AllAppsStore;
 import com.android.launcher3.apppairs.AppPairIcon;
@@ -69,6 +66,7 @@
 import com.android.quickstep.TaskUtils;
 import com.android.quickstep.TopTaskTracker;
 import com.android.quickstep.views.GroupedTaskView;
+import com.android.quickstep.views.TaskContainer;
 import com.android.quickstep.views.TaskView;
 import com.android.systemui.shared.recents.model.Task;
 import com.android.systemui.shared.system.InteractionJankMonitorWrapper;
@@ -135,7 +133,7 @@
         }
 
         GroupedTaskView gtv = (GroupedTaskView) taskView;
-        List<TaskView.TaskContainer> containers = gtv.getTaskContainers();
+        List<TaskContainer> containers = gtv.getTaskContainers();
         ComponentKey taskKey1 = TaskUtils.getLaunchComponentKeyForTask(
                 containers.get(0).getTask().key);
         ComponentKey taskKey2 = TaskUtils.getLaunchComponentKeyForTask(
@@ -172,7 +170,7 @@
      */
     public void saveAppPair(GroupedTaskView gtv) {
         InteractionJankMonitorWrapper.begin(gtv, Cuj.CUJ_LAUNCHER_SAVE_APP_PAIR);
-        List<TaskView.TaskContainer> containers = gtv.getTaskContainers();
+        List<TaskContainer> containers = gtv.getTaskContainers();
         WorkspaceItemInfo recentsInfo1 = containers.get(0).getItemInfo();
         WorkspaceItemInfo recentsInfo2 = containers.get(1).getItemInfo();
         WorkspaceItemInfo app1 = resolveAppPairWorkspaceInfo(recentsInfo1);
diff --git a/quickstep/src/com/android/quickstep/util/SplitAnimationController.kt b/quickstep/src/com/android/quickstep/util/SplitAnimationController.kt
index 876a4ea..49e1c88 100644
--- a/quickstep/src/com/android/quickstep/util/SplitAnimationController.kt
+++ b/quickstep/src/com/android/quickstep/util/SplitAnimationController.kt
@@ -68,9 +68,9 @@
 import com.android.quickstep.views.RecentsView
 import com.android.quickstep.views.RecentsViewContainer
 import com.android.quickstep.views.SplitInstructionsView
+import com.android.quickstep.views.TaskContainer
 import com.android.quickstep.views.TaskThumbnailViewDeprecated
 import com.android.quickstep.views.TaskView
-import com.android.quickstep.views.TaskView.TaskContainer
 import com.android.quickstep.views.TaskViewIcon
 import com.android.wm.shell.shared.TransitionUtil
 import java.util.Optional
@@ -486,7 +486,8 @@
         depthController: DepthController?,
         info: TransitionInfo?,
         t: Transaction?,
-        finishCallback: Runnable
+        finishCallback: Runnable,
+        cornerRadius: Float
     ) {
         if (info == null && t == null) {
             // (Legacy animation) Tapping a split tile in Overview
@@ -550,7 +551,8 @@
                     "unexpected null"
             }
 
-            composeFadeInSplitLaunchAnimator(initialTaskId, secondTaskId, info, t, finishCallback)
+            composeFadeInSplitLaunchAnimator(initialTaskId, secondTaskId, info, t, finishCallback,
+                    cornerRadius)
         }
     }
 
@@ -1024,11 +1026,12 @@
      */
     @VisibleForTesting
     fun composeFadeInSplitLaunchAnimator(
-        initialTaskId: Int,
-        secondTaskId: Int,
-        transitionInfo: TransitionInfo,
-        t: Transaction,
-        finishCallback: Runnable
+            initialTaskId: Int,
+            secondTaskId: Int,
+            transitionInfo: TransitionInfo,
+            t: Transaction,
+            finishCallback: Runnable,
+            cornerRadius: Float
     ) {
         var splitRoot1: Change? = null
         var splitRoot2: Change? = null
@@ -1106,6 +1109,7 @@
                 override fun onAnimationStart(animation: Animator) {
                     for (leash in openingTargets) {
                         animTransaction.show(leash).setAlpha(leash, 0.0f)
+                        animTransaction.setCornerRadius(leash, cornerRadius);
                     }
                     animTransaction.apply()
                 }
diff --git a/quickstep/src/com/android/quickstep/util/SplitSelectStateController.java b/quickstep/src/com/android/quickstep/util/SplitSelectStateController.java
index 7e7c794..d906bb3 100644
--- a/quickstep/src/com/android/quickstep/util/SplitSelectStateController.java
+++ b/quickstep/src/com/android/quickstep/util/SplitSelectStateController.java
@@ -104,6 +104,7 @@
 import com.android.systemui.shared.recents.model.Task;
 import com.android.systemui.shared.system.ActivityManagerWrapper;
 import com.android.systemui.shared.system.InteractionJankMonitorWrapper;
+import com.android.systemui.shared.system.QuickStepContract;
 import com.android.wm.shell.common.split.SplitScreenConstants.PersistentSnapPosition;
 import com.android.wm.shell.splitscreen.ISplitSelectListener;
 
@@ -778,7 +779,8 @@
                         info, t, () -> {
                             finishAdapter.run();
                             cleanup(true /*success*/);
-                        });
+                        },
+                        QuickStepContract.getWindowCornerRadius(mContainer.asContext()));
             });
         }
 
@@ -826,7 +828,8 @@
                 RemoteAnimationTarget[] wallpapers, RemoteAnimationTarget[] nonApps,
                 Runnable finishedCallback) {
             postAsyncCallback(mHandler,
-                    () -> mSplitAnimationController.playSplitLaunchAnimation(mLaunchingTaskView,
+                    () -> mSplitAnimationController
+                            .playSplitLaunchAnimation(mLaunchingTaskView,
                             mLaunchingIconView, mInitialTaskId, mSecondTaskId, apps, wallpapers,
                             nonApps, mStateManager, mDepthController, null /* info */, null /* t */,
                             () -> {
@@ -835,7 +838,8 @@
                                     mSuccessCallback.accept(true);
                                 }
                                 resetState();
-                            }));
+                            },
+                            QuickStepContract.getWindowCornerRadius(mContainer.asContext())));
         }
 
         @Override
diff --git a/quickstep/src/com/android/quickstep/views/DesktopTaskView.kt b/quickstep/src/com/android/quickstep/views/DesktopTaskView.kt
index 46ed2ee..55bbd50 100644
--- a/quickstep/src/com/android/quickstep/views/DesktopTaskView.kt
+++ b/quickstep/src/com/android/quickstep/views/DesktopTaskView.kt
@@ -193,6 +193,7 @@
             }
             val taskContainer =
                 TaskContainer(
+                    this,
                     task,
                     // TODO(b/338360089): Support new TTV for DesktopTaskView
                     thumbnailView = null,
diff --git a/quickstep/src/com/android/quickstep/views/RecentsView.java b/quickstep/src/com/android/quickstep/views/RecentsView.java
index c1e112a..8553635 100644
--- a/quickstep/src/com/android/quickstep/views/RecentsView.java
+++ b/quickstep/src/com/android/quickstep/views/RecentsView.java
@@ -212,7 +212,6 @@
 import com.android.quickstep.util.TaskVisualsChangeListener;
 import com.android.quickstep.util.TransformParams;
 import com.android.quickstep.util.VibrationConstants;
-import com.android.quickstep.views.TaskView.TaskContainer;
 import com.android.systemui.plugins.ResourceProvider;
 import com.android.systemui.shared.recents.model.Task;
 import com.android.systemui.shared.recents.model.ThumbnailData;
diff --git a/quickstep/src/com/android/quickstep/views/TaskContainer.kt b/quickstep/src/com/android/quickstep/views/TaskContainer.kt
new file mode 100644
index 0000000..cfdee6c
--- /dev/null
+++ b/quickstep/src/com/android/quickstep/views/TaskContainer.kt
@@ -0,0 +1,119 @@
+/*
+ * Copyright (C) 2024 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.views
+
+import android.content.Intent
+import android.graphics.Bitmap
+import android.graphics.Insets
+import android.view.View
+import com.android.launcher3.Flags
+import com.android.launcher3.LauncherSettings
+import com.android.launcher3.model.data.ItemInfoWithIcon
+import com.android.launcher3.model.data.WorkspaceItemInfo
+import com.android.launcher3.pm.UserCache
+import com.android.launcher3.util.SplitConfigurationOptions
+import com.android.launcher3.util.TransformingTouchDelegate
+import com.android.quickstep.TaskOverlayFactory
+import com.android.quickstep.TaskUtils
+import com.android.quickstep.task.thumbnail.TaskThumbnail
+import com.android.quickstep.task.thumbnail.TaskThumbnailView
+import com.android.quickstep.task.viewmodel.TaskContainerData
+import com.android.systemui.shared.recents.model.Task
+
+/** Holder for all Task dependent information. */
+class TaskContainer(
+    val taskView: TaskView,
+    val task: Task,
+    val thumbnailView: TaskThumbnailView?,
+    val thumbnailViewDeprecated: TaskThumbnailViewDeprecated,
+    val iconView: TaskViewIcon,
+    /**
+     * This technically can be a vanilla [android.view.TouchDelegate] class, however that class
+     * requires setting the touch bounds at construction, so we'd repeatedly be created many
+     * instances unnecessarily as scrolling occurs, whereas [TransformingTouchDelegate] allows touch
+     * delegated bounds only to be updated.
+     */
+    val iconTouchDelegate: TransformingTouchDelegate,
+    /** Defaults to STAGE_POSITION_UNDEFINED if in not a split screen task view */
+    @SplitConfigurationOptions.StagePosition val stagePosition: Int,
+    val digitalWellBeingToast: DigitalWellBeingToast?,
+    val showWindowsView: View?,
+    taskOverlayFactory: TaskOverlayFactory
+) {
+    val overlay: TaskOverlayFactory.TaskOverlay<*> = taskOverlayFactory.createOverlay(this)
+    val taskContainerData = TaskContainerData()
+
+    val snapshotView: View
+        get() = thumbnailView ?: thumbnailViewDeprecated
+
+    // TODO(b/349120849): Extract ThumbnailData from TaskContainerData/TaskThumbnailViewModel
+    val thumbnail: Bitmap?
+        get() = thumbnailViewDeprecated.thumbnail
+
+    // TODO(b/349120849): Extract ThumbnailData from TaskContainerData/TaskThumbnailViewModel
+    val isRealSnapshot: Boolean
+        get() = thumbnailViewDeprecated.isRealSnapshot()
+
+    // TODO(b/349120849): Extract ThumbnailData from TaskContainerData/TaskThumbnailViewModel
+    val scaledInsets: Insets
+        get() = thumbnailViewDeprecated.scaledInsets
+
+    /** Builds proto for logging */
+    val itemInfo: WorkspaceItemInfo
+        get() =
+            WorkspaceItemInfo().apply {
+                itemType = LauncherSettings.Favorites.ITEM_TYPE_TASK
+                container = LauncherSettings.Favorites.CONTAINER_TASKSWITCHER
+                val componentKey = TaskUtils.getLaunchComponentKeyForTask(task.key)
+                user = componentKey.user
+                intent = Intent().setComponent(componentKey.componentName)
+                title = task.title
+                taskView.recentsView?.let { screenId = it.indexOfChild(taskView) }
+                if (Flags.privateSpaceRestrictAccessibilityDrag()) {
+                    if (
+                        UserCache.getInstance(taskView.context)
+                            .getUserInfo(componentKey.user)
+                            .isPrivate
+                    ) {
+                        runtimeStatusFlags =
+                            runtimeStatusFlags or ItemInfoWithIcon.FLAG_NOT_PINNABLE
+                    }
+                }
+            }
+
+    fun destroy() {
+        digitalWellBeingToast?.destroy()
+        thumbnailView?.let { taskView.removeView(it) }
+    }
+
+    fun bind() {
+        if (Flags.enableRefactorTaskThumbnail() && thumbnailView != null) {
+            thumbnailViewDeprecated.setTaskOverlay(overlay)
+            bindThumbnailView()
+        } else {
+            thumbnailViewDeprecated.bind(task, overlay)
+        }
+    }
+
+    // TODO(b/335649589): TaskView's VM will already have access to TaskThumbnailView's VM
+    //  so there will be no need to access TaskThumbnailView's VM through the TaskThumbnailView
+    fun bindThumbnailView() {
+        // TODO(b/343364498): Existing view has shouldShowScreenshot as an override as well but
+        //  this should be decided inside TaskThumbnailViewModel.
+        thumbnailView?.viewModel?.bind(TaskThumbnail(task.key.id, taskView.isRunningTask))
+    }
+}
diff --git a/quickstep/src/com/android/quickstep/views/TaskMenuView.java b/quickstep/src/com/android/quickstep/views/TaskMenuView.java
index 8d5ba77..63bc509 100644
--- a/quickstep/src/com/android/quickstep/views/TaskMenuView.java
+++ b/quickstep/src/com/android/quickstep/views/TaskMenuView.java
@@ -55,7 +55,6 @@
 import com.android.quickstep.TaskUtils;
 import com.android.quickstep.orientation.RecentsPagedOrientationHandler;
 import com.android.quickstep.util.TaskCornerRadius;
-import com.android.quickstep.views.TaskView.TaskContainer;
 
 /**
  * Contains options for a recent task when long-pressing its icon.
diff --git a/quickstep/src/com/android/quickstep/views/TaskMenuViewWithArrow.kt b/quickstep/src/com/android/quickstep/views/TaskMenuViewWithArrow.kt
index 659cc0c..e10d38c 100644
--- a/quickstep/src/com/android/quickstep/views/TaskMenuViewWithArrow.kt
+++ b/quickstep/src/com/android/quickstep/views/TaskMenuViewWithArrow.kt
@@ -37,7 +37,6 @@
 import com.android.launcher3.popup.SystemShortcut
 import com.android.launcher3.util.Themes
 import com.android.quickstep.TaskOverlayFactory
-import com.android.quickstep.views.TaskView.TaskContainer
 
 class TaskMenuViewWithArrow<T> : ArrowPopup<T> where T : RecentsViewContainer, T : Context {
     companion object {
@@ -58,7 +57,9 @@
     }
 
     constructor(context: Context) : super(context)
+
     constructor(context: Context, attrs: AttributeSet) : super(context, attrs)
+
     constructor(
         context: Context,
         attrs: AttributeSet,
@@ -80,6 +81,7 @@
     private var alignedOptionIndex: Int = 0
     private val extraSpaceForRowAlignment: Int
         get() = optionMeasuredHeight * alignedOptionIndex
+
     private val menuPaddingEnd = context.resources.getDimensionPixelSize(R.dimen.task_card_margin)
 
     private lateinit var taskView: TaskView
diff --git a/quickstep/src/com/android/quickstep/views/TaskView.kt b/quickstep/src/com/android/quickstep/views/TaskView.kt
index d4b0040..b922df4 100644
--- a/quickstep/src/com/android/quickstep/views/TaskView.kt
+++ b/quickstep/src/com/android/quickstep/views/TaskView.kt
@@ -22,10 +22,7 @@
 import android.annotation.IdRes
 import android.app.ActivityOptions
 import android.content.Context
-import android.content.Intent
-import android.graphics.Bitmap
 import android.graphics.Canvas
-import android.graphics.Insets
 import android.graphics.PointF
 import android.graphics.Rect
 import android.graphics.drawable.Drawable
@@ -52,16 +49,11 @@
 import com.android.launcher3.Flags.enableGridOnlyOverview
 import com.android.launcher3.Flags.enableOverviewIconMenu
 import com.android.launcher3.Flags.enableRefactorTaskThumbnail
-import com.android.launcher3.Flags.privateSpaceRestrictAccessibilityDrag
-import com.android.launcher3.LauncherSettings
 import com.android.launcher3.R
 import com.android.launcher3.Utilities
 import com.android.launcher3.config.FeatureFlags.ENABLE_KEYBOARD_QUICK_SWITCH
 import com.android.launcher3.logging.StatsLogManager.LauncherEvent
 import com.android.launcher3.model.data.ItemInfo
-import com.android.launcher3.model.data.ItemInfoWithIcon
-import com.android.launcher3.model.data.WorkspaceItemInfo
-import com.android.launcher3.pm.UserCache
 import com.android.launcher3.testing.TestLogging
 import com.android.launcher3.testing.shared.TestProtocol
 import com.android.launcher3.util.CancellableTask
@@ -84,13 +76,9 @@
 import com.android.quickstep.RemoteAnimationTargets
 import com.android.quickstep.TaskAnimationManager
 import com.android.quickstep.TaskOverlayFactory
-import com.android.quickstep.TaskOverlayFactory.TaskOverlay
-import com.android.quickstep.TaskUtils
 import com.android.quickstep.TaskViewUtils
 import com.android.quickstep.orientation.RecentsPagedOrientationHandler
-import com.android.quickstep.task.thumbnail.TaskThumbnail
 import com.android.quickstep.task.thumbnail.TaskThumbnailView
-import com.android.quickstep.task.viewmodel.TaskContainerData
 import com.android.quickstep.task.viewmodel.TaskViewData
 import com.android.quickstep.util.ActiveGestureErrorDetector
 import com.android.quickstep.util.ActiveGestureLog
@@ -702,6 +690,7 @@
         }
         val iconView = getOrInflateIconView(iconViewId)
         return TaskContainer(
+            this,
             task,
             thumbnailView,
             thumbnailViewDeprecated,
@@ -1606,90 +1595,6 @@
         override fun close() {}
     }
 
-    /** Holder for all Task dependent information. */
-    inner class TaskContainer(
-        val task: Task,
-        val thumbnailView: TaskThumbnailView?,
-        val thumbnailViewDeprecated: TaskThumbnailViewDeprecated,
-        val iconView: TaskViewIcon,
-        /**
-         * This technically can be a vanilla [android.view.TouchDelegate] class, however that class
-         * requires setting the touch bounds at construction, so we'd repeatedly be created many
-         * instances unnecessarily as scrolling occurs, whereas [TransformingTouchDelegate] allows
-         * touch delegated bounds only to be updated.
-         */
-        val iconTouchDelegate: TransformingTouchDelegate,
-        /** Defaults to STAGE_POSITION_UNDEFINED if in not a split screen task view */
-        @StagePosition val stagePosition: Int,
-        val digitalWellBeingToast: DigitalWellBeingToast?,
-        val showWindowsView: View?,
-        taskOverlayFactory: TaskOverlayFactory
-    ) {
-        val overlay: TaskOverlay<*> = taskOverlayFactory.createOverlay(this)
-        val taskContainerData = TaskContainerData()
-
-        val snapshotView: View
-            get() = thumbnailView ?: thumbnailViewDeprecated
-
-        // TODO(b/349120849): Extract ThumbnailData from TaskContainerData/TaskThumbnailViewModel
-        val thumbnail: Bitmap?
-            get() = thumbnailViewDeprecated.thumbnail
-
-        // TODO(b/349120849): Extract ThumbnailData from TaskContainerData/TaskThumbnailViewModel
-        val isRealSnapshot: Boolean
-            get() = thumbnailViewDeprecated.isRealSnapshot()
-
-        // TODO(b/349120849): Extract ThumbnailData from TaskContainerData/TaskThumbnailViewModel
-        val scaledInsets: Insets
-            get() = thumbnailViewDeprecated.scaledInsets
-
-        /** Builds proto for logging */
-        val itemInfo: WorkspaceItemInfo
-            get() =
-                WorkspaceItemInfo().apply {
-                    itemType = LauncherSettings.Favorites.ITEM_TYPE_TASK
-                    container = LauncherSettings.Favorites.CONTAINER_TASKSWITCHER
-                    val componentKey = TaskUtils.getLaunchComponentKeyForTask(task.key)
-                    user = componentKey.user
-                    intent = Intent().setComponent(componentKey.componentName)
-                    title = task.title
-                    recentsView?.let { screenId = it.indexOfChild(this@TaskView) }
-                    if (privateSpaceRestrictAccessibilityDrag()) {
-                        if (
-                            UserCache.getInstance(context).getUserInfo(componentKey.user).isPrivate
-                        ) {
-                            runtimeStatusFlags =
-                                runtimeStatusFlags or ItemInfoWithIcon.FLAG_NOT_PINNABLE
-                        }
-                    }
-                }
-
-        val taskView: TaskView
-            get() = this@TaskView
-
-        fun destroy() {
-            digitalWellBeingToast?.destroy()
-            thumbnailView?.let { taskView.removeView(it) }
-        }
-
-        fun bind() {
-            if (enableRefactorTaskThumbnail() && thumbnailView != null) {
-                thumbnailViewDeprecated.setTaskOverlay(overlay)
-                bindThumbnailView()
-            } else {
-                thumbnailViewDeprecated.bind(task, overlay)
-            }
-        }
-
-        // TODO(b/335649589): TaskView's VM will already have access to TaskThumbnailView's VM
-        //  so there will be no need to access TaskThumbnailView's VM through the TaskThumbnailView
-        fun bindThumbnailView() {
-            // TODO(b/343364498): Existing view has shouldShowScreenshot as an override as well but
-            //  this should be decided inside TaskThumbnailViewModel.
-            thumbnailView?.viewModel?.bind(TaskThumbnail(task.key.id, isRunningTask))
-        }
-    }
-
     companion object {
         private const val TAG = "TaskView"
         const val FLAG_UPDATE_ICON = 1
diff --git a/quickstep/tests/multivalentTests/src/com/android/launcher3/taskbar/allapps/TaskbarAllAppsControllerTest.kt b/quickstep/tests/multivalentTests/src/com/android/launcher3/taskbar/allapps/TaskbarAllAppsControllerTest.kt
index bfad697..9ecd935 100644
--- a/quickstep/tests/multivalentTests/src/com/android/launcher3/taskbar/allapps/TaskbarAllAppsControllerTest.kt
+++ b/quickstep/tests/multivalentTests/src/com/android/launcher3/taskbar/allapps/TaskbarAllAppsControllerTest.kt
@@ -27,9 +27,10 @@
 import com.android.launcher3.model.data.AppInfo
 import com.android.launcher3.model.data.WorkspaceItemInfo
 import com.android.launcher3.notification.NotificationKeyData
-import com.android.launcher3.taskbar.TaskbarUnitTestRule
-import com.android.launcher3.taskbar.TaskbarUnitTestRule.InjectController
 import com.android.launcher3.taskbar.overlay.TaskbarOverlayController
+import com.android.launcher3.taskbar.rules.TaskbarUnitTestRule
+import com.android.launcher3.taskbar.rules.TaskbarUnitTestRule.InjectController
+import com.android.launcher3.taskbar.rules.TaskbarWindowSandboxContext
 import com.android.launcher3.util.LauncherMultivalentJUnit
 import com.android.launcher3.util.LauncherMultivalentJUnit.EmulatedDevices
 import com.android.launcher3.util.PackageUserKey
@@ -43,7 +44,11 @@
 class TaskbarAllAppsControllerTest {
 
     @get:Rule
-    val taskbarUnitTestRule = TaskbarUnitTestRule(this, getInstrumentation().targetContext)
+    val taskbarUnitTestRule =
+        TaskbarUnitTestRule(
+            this,
+            TaskbarWindowSandboxContext.create(getInstrumentation().targetContext),
+        )
     @get:Rule val animatorTestRule = AnimatorTestRule(this)
 
     @InjectController lateinit var allAppsController: TaskbarAllAppsController
@@ -65,9 +70,8 @@
     }
 
     @Test
-    @UiThreadTest
     fun testToggle_taskbarRecreated_allAppsReopened() {
-        allAppsController.toggle()
+        getInstrumentation().runOnMainSync { allAppsController.toggle() }
         taskbarUnitTestRule.recreateTaskbar()
         assertThat(allAppsController.isOpen).isTrue()
     }
diff --git a/quickstep/tests/multivalentTests/src/com/android/launcher3/taskbar/bubbles/animation/BubbleAnimatorTest.kt b/quickstep/tests/multivalentTests/src/com/android/launcher3/taskbar/bubbles/animation/BubbleAnimatorTest.kt
index 20bd617..d5a76a2 100644
--- a/quickstep/tests/multivalentTests/src/com/android/launcher3/taskbar/bubbles/animation/BubbleAnimatorTest.kt
+++ b/quickstep/tests/multivalentTests/src/com/android/launcher3/taskbar/bubbles/animation/BubbleAnimatorTest.kt
@@ -80,6 +80,31 @@
         assertThat(bubbleAnimator.isRunning).isFalse()
     }
 
+    @Test
+    fun animateNewAndRemoveOld_isRunning() {
+        bubbleAnimator =
+            BubbleAnimator(
+                iconSize = 40f,
+                expandedBarIconSpacing = 10f,
+                bubbleCount = 5,
+                onLeft = false
+            )
+        val listener = TestBubbleAnimatorListener()
+        InstrumentationRegistry.getInstrumentation().runOnMainSync {
+            bubbleAnimator.animateNewAndRemoveOld(
+                selectedBubbleIndex = 3,
+                removedBubbleIndex = 2,
+                listener
+            )
+        }
+
+        assertThat(bubbleAnimator.isRunning).isTrue()
+        InstrumentationRegistry.getInstrumentation().runOnMainSync {
+            animatorTestRule.advanceTimeBy(250)
+        }
+        assertThat(bubbleAnimator.isRunning).isFalse()
+    }
+
     private class TestBubbleAnimatorListener : BubbleAnimator.Listener {
 
         override fun onAnimationUpdate(animatedFraction: Float) {}
diff --git a/quickstep/tests/multivalentTests/src/com/android/launcher3/taskbar/overlay/TaskbarOverlayControllerTest.kt b/quickstep/tests/multivalentTests/src/com/android/launcher3/taskbar/overlay/TaskbarOverlayControllerTest.kt
index 72bdc16..fae5562 100644
--- a/quickstep/tests/multivalentTests/src/com/android/launcher3/taskbar/overlay/TaskbarOverlayControllerTest.kt
+++ b/quickstep/tests/multivalentTests/src/com/android/launcher3/taskbar/overlay/TaskbarOverlayControllerTest.kt
@@ -26,8 +26,9 @@
 import com.android.launcher3.AbstractFloatingView.TYPE_TASKBAR_OVERLAY_PROXY
 import com.android.launcher3.AbstractFloatingView.hasOpenView
 import com.android.launcher3.taskbar.TaskbarActivityContext
-import com.android.launcher3.taskbar.TaskbarUnitTestRule
-import com.android.launcher3.taskbar.TaskbarUnitTestRule.InjectController
+import com.android.launcher3.taskbar.rules.TaskbarUnitTestRule
+import com.android.launcher3.taskbar.rules.TaskbarUnitTestRule.InjectController
+import com.android.launcher3.taskbar.rules.TaskbarWindowSandboxContext
 import com.android.launcher3.util.LauncherMultivalentJUnit
 import com.android.launcher3.util.LauncherMultivalentJUnit.EmulatedDevices
 import com.android.launcher3.views.BaseDragLayer
@@ -42,7 +43,11 @@
 class TaskbarOverlayControllerTest {
 
     @get:Rule
-    val taskbarUnitTestRule = TaskbarUnitTestRule(this, getInstrumentation().targetContext)
+    val taskbarUnitTestRule =
+        TaskbarUnitTestRule(
+            this,
+            TaskbarWindowSandboxContext.create(getInstrumentation().targetContext),
+        )
     @InjectController lateinit var overlayController: TaskbarOverlayController
 
     private val taskbarContext: TaskbarActivityContext
@@ -150,9 +155,10 @@
     }
 
     @Test
-    @UiThreadTest
     fun testRecreateTaskbar_closesWindow() {
-        TestOverlayView.show(overlayController.requestWindow())
+        getInstrumentation().runOnMainSync {
+            TestOverlayView.show(overlayController.requestWindow())
+        }
         taskbarUnitTestRule.recreateTaskbar()
         assertThat(hasOpenView(taskbarContext, TYPE_TASKBAR_OVERLAY_PROXY)).isFalse()
     }
diff --git a/quickstep/tests/multivalentTests/src/com/android/launcher3/taskbar/TaskbarModeRule.kt b/quickstep/tests/multivalentTests/src/com/android/launcher3/taskbar/rules/TaskbarModeRule.kt
similarity index 89%
rename from quickstep/tests/multivalentTests/src/com/android/launcher3/taskbar/TaskbarModeRule.kt
rename to quickstep/tests/multivalentTests/src/com/android/launcher3/taskbar/rules/TaskbarModeRule.kt
index 3b53cdc..6638736 100644
--- a/quickstep/tests/multivalentTests/src/com/android/launcher3/taskbar/TaskbarModeRule.kt
+++ b/quickstep/tests/multivalentTests/src/com/android/launcher3/taskbar/rules/TaskbarModeRule.kt
@@ -14,13 +14,12 @@
  * limitations under the License.
  */
 
-package com.android.launcher3.taskbar
+package com.android.launcher3.taskbar.rules
 
-import com.android.launcher3.taskbar.TaskbarModeRule.Mode
-import com.android.launcher3.taskbar.TaskbarModeRule.TaskbarMode
+import com.android.launcher3.taskbar.rules.TaskbarModeRule.Mode
+import com.android.launcher3.taskbar.rules.TaskbarModeRule.TaskbarMode
 import com.android.launcher3.util.DisplayController
 import com.android.launcher3.util.MainThreadInitializedObject
-import com.android.launcher3.util.MainThreadInitializedObject.SandboxContext
 import com.android.launcher3.util.NavigationMode
 import org.junit.rules.TestRule
 import org.junit.runner.Description
@@ -40,7 +39,7 @@
  * Make sure this rule precedes any rules that depend on [DisplayController], or else the instance
  * might be inconsistent across the test lifecycle.
  */
-class TaskbarModeRule(private val context: SandboxContext) : TestRule {
+class TaskbarModeRule(private val context: TaskbarWindowSandboxContext) : TestRule {
     /** The selected Taskbar mode. */
     enum class Mode {
         TRANSIENT,
@@ -60,7 +59,7 @@
             override fun evaluate() {
                 val mode = taskbarMode.mode
 
-                context.putObject(
+                context.applicationContext.putObject(
                     DisplayController.INSTANCE,
                     object : DisplayController(context) {
                         override fun getInfo(): Info {
diff --git a/quickstep/tests/multivalentTests/src/com/android/launcher3/taskbar/TaskbarModeRuleTest.kt b/quickstep/tests/multivalentTests/src/com/android/launcher3/taskbar/rules/TaskbarModeRuleTest.kt
similarity index 87%
rename from quickstep/tests/multivalentTests/src/com/android/launcher3/taskbar/TaskbarModeRuleTest.kt
rename to quickstep/tests/multivalentTests/src/com/android/launcher3/taskbar/rules/TaskbarModeRuleTest.kt
index 7dfbb9a..f75e542 100644
--- a/quickstep/tests/multivalentTests/src/com/android/launcher3/taskbar/TaskbarModeRuleTest.kt
+++ b/quickstep/tests/multivalentTests/src/com/android/launcher3/taskbar/rules/TaskbarModeRuleTest.kt
@@ -14,17 +14,16 @@
  * limitations under the License.
  */
 
-package com.android.launcher3.taskbar
+package com.android.launcher3.taskbar.rules
 
 import androidx.test.platform.app.InstrumentationRegistry.getInstrumentation
 import com.android.launcher3.InvariantDeviceProfile
-import com.android.launcher3.taskbar.TaskbarModeRule.Mode.PINNED
-import com.android.launcher3.taskbar.TaskbarModeRule.Mode.THREE_BUTTONS
-import com.android.launcher3.taskbar.TaskbarModeRule.Mode.TRANSIENT
-import com.android.launcher3.taskbar.TaskbarModeRule.TaskbarMode
+import com.android.launcher3.taskbar.rules.TaskbarModeRule.Mode.PINNED
+import com.android.launcher3.taskbar.rules.TaskbarModeRule.Mode.THREE_BUTTONS
+import com.android.launcher3.taskbar.rules.TaskbarModeRule.Mode.TRANSIENT
+import com.android.launcher3.taskbar.rules.TaskbarModeRule.TaskbarMode
 import com.android.launcher3.util.DisplayController
 import com.android.launcher3.util.LauncherMultivalentJUnit
-import com.android.launcher3.util.MainThreadInitializedObject.SandboxContext
 import com.android.launcher3.util.NavigationMode
 import com.google.common.truth.Truth.assertThat
 import org.junit.Rule
@@ -34,7 +33,7 @@
 @RunWith(LauncherMultivalentJUnit::class)
 class TaskbarModeRuleTest {
 
-    private val context = SandboxContext(getInstrumentation().targetContext)
+    private val context = TaskbarWindowSandboxContext.create(getInstrumentation().targetContext)
 
     @get:Rule val taskbarModeRule = TaskbarModeRule(context)
 
diff --git a/quickstep/tests/multivalentTests/src/com/android/launcher3/taskbar/TaskbarUnitTestRule.kt b/quickstep/tests/multivalentTests/src/com/android/launcher3/taskbar/rules/TaskbarUnitTestRule.kt
similarity index 91%
rename from quickstep/tests/multivalentTests/src/com/android/launcher3/taskbar/TaskbarUnitTestRule.kt
rename to quickstep/tests/multivalentTests/src/com/android/launcher3/taskbar/rules/TaskbarUnitTestRule.kt
index bbf738e..74c2390 100644
--- a/quickstep/tests/multivalentTests/src/com/android/launcher3/taskbar/TaskbarUnitTestRule.kt
+++ b/quickstep/tests/multivalentTests/src/com/android/launcher3/taskbar/rules/TaskbarUnitTestRule.kt
@@ -14,16 +14,17 @@
  * limitations under the License.
  */
 
-package com.android.launcher3.taskbar
+package com.android.launcher3.taskbar.rules
 
 import android.app.Instrumentation
 import android.app.PendingIntent
-import android.content.Context
 import android.content.IIntentSender
 import android.content.Intent
 import androidx.test.platform.app.InstrumentationRegistry
 import androidx.test.rule.ServiceTestRule
 import com.android.launcher3.LauncherAppState
+import com.android.launcher3.taskbar.TaskbarActivityContext
+import com.android.launcher3.taskbar.TaskbarManager
 import com.android.launcher3.taskbar.TaskbarNavButtonController.TaskbarNavButtonCallbacks
 import com.android.launcher3.util.Executors.UI_HELPER_EXECUTOR
 import com.android.launcher3.util.LauncherMultivalentJUnit.Companion.isRunningInRobolectric
@@ -62,7 +63,11 @@
  * }
  * ```
  */
-class TaskbarUnitTestRule(private val testInstance: Any, private val context: Context) : TestRule {
+class TaskbarUnitTestRule(
+    private val testInstance: Any,
+    private val context: TaskbarWindowSandboxContext,
+) : TestRule {
+
     private val instrumentation = InstrumentationRegistry.getInstrumentation()
     private val serviceTestRule = ServiceTestRule()
 
@@ -114,18 +119,14 @@
                 try {
                     // Replace Launcher Taskbar window with test instance.
                     instrumentation.runOnMainSync {
-                        launcherTaskbarManager?.removeTaskbarRootViewFromWindow()
+                        launcherTaskbarManager?.destroy()
                         taskbarManager.onUserUnlocked() // Required to complete initialization.
                     }
 
                     injectControllers()
                     base.evaluate()
                 } finally {
-                    // Revert Taskbar window.
-                    instrumentation.runOnMainSync {
-                        taskbarManager.destroy()
-                        launcherTaskbarManager?.addTaskbarRootViewToWindow()
-                    }
+                    instrumentation.runOnMainSync { taskbarManager.destroy() }
                 }
             }
         }
@@ -133,7 +134,7 @@
 
     /** Simulates Taskbar recreation lifecycle. */
     fun recreateTaskbar() {
-        taskbarManager.recreateTaskbar()
+        instrumentation.runOnMainSync { taskbarManager.recreateTaskbar() }
         injectControllers()
     }
 
diff --git a/quickstep/tests/multivalentTests/src/com/android/launcher3/taskbar/rules/TaskbarUnitTestRuleTest.kt b/quickstep/tests/multivalentTests/src/com/android/launcher3/taskbar/rules/TaskbarUnitTestRuleTest.kt
new file mode 100644
index 0000000..8262e0f
--- /dev/null
+++ b/quickstep/tests/multivalentTests/src/com/android/launcher3/taskbar/rules/TaskbarUnitTestRuleTest.kt
@@ -0,0 +1,151 @@
+/*
+ * Copyright (C) 2024 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.launcher3.taskbar.rules
+
+import androidx.test.platform.app.InstrumentationRegistry.getInstrumentation
+import com.android.launcher3.taskbar.TaskbarActivityContext
+import com.android.launcher3.taskbar.TaskbarKeyguardController
+import com.android.launcher3.taskbar.TaskbarManager
+import com.android.launcher3.taskbar.TaskbarStashController
+import com.android.launcher3.taskbar.rules.TaskbarUnitTestRule.InjectController
+import com.android.launcher3.util.LauncherMultivalentJUnit
+import com.android.launcher3.util.LauncherMultivalentJUnit.EmulatedDevices
+import com.google.common.truth.Truth.assertThat
+import org.junit.Assert.assertThrows
+import org.junit.Test
+import org.junit.runner.Description
+import org.junit.runner.RunWith
+import org.junit.runners.model.Statement
+
+@RunWith(LauncherMultivalentJUnit::class)
+@EmulatedDevices(["pixelFoldable2023"])
+class TaskbarUnitTestRuleTest {
+
+    private val context = TaskbarWindowSandboxContext.create(getInstrumentation().targetContext)
+
+    @Test
+    fun testSetup_taskbarInitialized() {
+        onSetup { assertThat(activityContext).isInstanceOf(TaskbarActivityContext::class.java) }
+    }
+
+    @Test
+    fun testRecreateTaskbar_activityContextChanged() {
+        onSetup {
+            val context1 = activityContext
+            recreateTaskbar()
+            val context2 = activityContext
+            assertThat(context1).isNotSameInstanceAs(context2)
+        }
+    }
+
+    @Test
+    fun testTeardown_taskbarDestroyed() {
+        val testRule = TaskbarUnitTestRule(this, context)
+        testRule.apply(EMPTY_STATEMENT, DESCRIPTION).evaluate()
+        assertThrows(RuntimeException::class.java) { testRule.activityContext }
+    }
+
+    @Test
+    fun testInjectController_validControllerType_isInjected() {
+        val testClass =
+            object {
+                @InjectController lateinit var controller: TaskbarStashController
+                val isInjected: Boolean
+                    get() = ::controller.isInitialized
+            }
+
+        TaskbarUnitTestRule(testClass, context).apply(EMPTY_STATEMENT, DESCRIPTION).evaluate()
+
+        onSetup(TaskbarUnitTestRule(testClass, context)) {
+            assertThat(testClass.isInjected).isTrue()
+        }
+    }
+
+    @Test
+    fun testInjectController_multipleControllers_areInjected() {
+        val testClass =
+            object {
+                @InjectController lateinit var controller1: TaskbarStashController
+                @InjectController lateinit var controller2: TaskbarKeyguardController
+                val areInjected: Boolean
+                    get() = ::controller1.isInitialized && ::controller2.isInitialized
+            }
+
+        onSetup(TaskbarUnitTestRule(testClass, context)) {
+            assertThat(testClass.areInjected).isTrue()
+        }
+    }
+
+    @Test
+    fun testInjectController_invalidControllerType_exceptionThrown() {
+        val testClass =
+            object {
+                @InjectController lateinit var manager: TaskbarManager // Not a controller.
+            }
+
+        // We cannot use #assertThrows because we also catch an assumption violated exception when
+        // running #evaluate on devices that do not support Taskbar.
+        val result =
+            try {
+                TaskbarUnitTestRule(testClass, context)
+                    .apply(EMPTY_STATEMENT, DESCRIPTION)
+                    .evaluate()
+            } catch (e: NoSuchElementException) {
+                e
+            }
+        assertThat(result).isInstanceOf(NoSuchElementException::class.java)
+    }
+
+    @Test
+    fun testInjectController_recreateTaskbar_controllerChanged() {
+        val testClass =
+            object {
+                @InjectController lateinit var controller: TaskbarStashController
+            }
+
+        onSetup(TaskbarUnitTestRule(testClass, context)) {
+            val controller1 = testClass.controller
+            recreateTaskbar()
+            val controller2 = testClass.controller
+            assertThat(controller1).isNotSameInstanceAs(controller2)
+        }
+    }
+
+    /** Executes [runTest] after the [testRule] setup phase completes. */
+    private fun onSetup(
+        testRule: TaskbarUnitTestRule = TaskbarUnitTestRule(this, context),
+        runTest: TaskbarUnitTestRule.() -> Unit,
+    ) {
+        testRule
+            .apply(
+                object : Statement() {
+                    override fun evaluate() = runTest(testRule)
+                },
+                DESCRIPTION,
+            )
+            .evaluate()
+    }
+
+    private companion object {
+        private val EMPTY_STATEMENT =
+            object : Statement() {
+                override fun evaluate() = Unit
+            }
+        private val DESCRIPTION =
+            Description.createSuiteDescription(TaskbarUnitTestRuleTest::class.java)
+    }
+}
diff --git a/quickstep/tests/multivalentTests/src/com/android/launcher3/taskbar/rules/TaskbarWindowSandboxContext.kt b/quickstep/tests/multivalentTests/src/com/android/launcher3/taskbar/rules/TaskbarWindowSandboxContext.kt
new file mode 100644
index 0000000..321e7a9
--- /dev/null
+++ b/quickstep/tests/multivalentTests/src/com/android/launcher3/taskbar/rules/TaskbarWindowSandboxContext.kt
@@ -0,0 +1,61 @@
+/*
+ * Copyright (C) 2024 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.launcher3.taskbar.rules
+
+import android.content.Context
+import android.content.ContextWrapper
+import android.os.Bundle
+import android.view.Display
+import com.android.launcher3.util.MainThreadInitializedObject
+import com.android.launcher3.util.MainThreadInitializedObject.SandboxContext
+
+/**
+ * Sandbox wrapper where [createWindowContext] provides contexts that are still sandboxed within
+ * [application].
+ *
+ * Taskbar can create window contexts, which need to operate under the same sandbox application, but
+ * [Context.getApplicationContext] by default returns the actual application. For this reason,
+ * [SandboxContext] overrides [getApplicationContext] to return itself, which prevents leaving the
+ * sandbox. [SandboxContext] and the real application have different sets of
+ * [MainThreadInitializedObject] instances, so overriding the application prevents the latter set
+ * from leaking into the sandbox. Similarly, this implementation overrides [getApplicationContext]
+ * to return the original sandboxed [application], and it wraps created windowed contexts to
+ * propagate this [application].
+ */
+class TaskbarWindowSandboxContext
+private constructor(private val application: SandboxContext, base: Context) : ContextWrapper(base) {
+
+    override fun createWindowContext(type: Int, options: Bundle?): Context {
+        return TaskbarWindowSandboxContext(application, super.createWindowContext(type, options))
+    }
+
+    override fun createWindowContext(display: Display, type: Int, options: Bundle?): Context {
+        return TaskbarWindowSandboxContext(
+            application,
+            super.createWindowContext(display, type, options),
+        )
+    }
+
+    override fun getApplicationContext() = application
+
+    companion object {
+        /** Creates a [TaskbarWindowSandboxContext] to sandbox [base] for Taskbar tests. */
+        fun create(base: Context): TaskbarWindowSandboxContext {
+            return SandboxContext(base).let { TaskbarWindowSandboxContext(it, it) }
+        }
+    }
+}
diff --git a/quickstep/tests/multivalentTests/src/com/android/launcher3/taskbar/rules/TaskbarWindowSandboxContextTest.kt b/quickstep/tests/multivalentTests/src/com/android/launcher3/taskbar/rules/TaskbarWindowSandboxContextTest.kt
new file mode 100644
index 0000000..ad4b4de
--- /dev/null
+++ b/quickstep/tests/multivalentTests/src/com/android/launcher3/taskbar/rules/TaskbarWindowSandboxContextTest.kt
@@ -0,0 +1,44 @@
+/*
+ * Copyright (C) 2024 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.launcher3.taskbar.rules
+
+import android.view.WindowManager.LayoutParams.TYPE_APPLICATION_OVERLAY
+import androidx.test.platform.app.InstrumentationRegistry.getInstrumentation
+import com.android.launcher3.util.LauncherMultivalentJUnit
+import com.android.launcher3.util.MainThreadInitializedObject.SandboxContext
+import com.google.common.truth.Truth.assertThat
+import org.junit.Test
+import org.junit.runner.RunWith
+
+@RunWith(LauncherMultivalentJUnit::class)
+class TaskbarWindowSandboxContextTest {
+
+    private val context = TaskbarWindowSandboxContext.create(getInstrumentation().targetContext)
+
+    @Test
+    fun testCreateWindowContext_applicationContextSandboxed() {
+        val windowContext = context.createWindowContext(TYPE_APPLICATION_OVERLAY, null)
+        assertThat(windowContext.applicationContext).isInstanceOf(SandboxContext::class.java)
+    }
+
+    @Test
+    fun testCreateWindowContext_nested_applicationContextSandboxed() {
+        val windowContext = context.createWindowContext(TYPE_APPLICATION_OVERLAY, null)
+        val nestedContext = windowContext.createWindowContext(TYPE_APPLICATION_OVERLAY, null)
+        assertThat(nestedContext.applicationContext).isInstanceOf(SandboxContext::class.java)
+    }
+}
diff --git a/quickstep/tests/multivalentTests/src/com/android/quickstep/util/SplitAnimationControllerTest.kt b/quickstep/tests/multivalentTests/src/com/android/quickstep/util/SplitAnimationControllerTest.kt
index c8893ad..fd7ecb0 100644
--- a/quickstep/tests/multivalentTests/src/com/android/quickstep/util/SplitAnimationControllerTest.kt
+++ b/quickstep/tests/multivalentTests/src/com/android/quickstep/util/SplitAnimationControllerTest.kt
@@ -33,8 +33,8 @@
 import com.android.launcher3.util.SplitConfigurationOptions
 import com.android.quickstep.views.GroupedTaskView
 import com.android.quickstep.views.IconView
+import com.android.quickstep.views.TaskContainer
 import com.android.quickstep.views.TaskView
-import com.android.quickstep.views.TaskView.TaskContainer
 import com.android.systemui.shared.recents.model.Task
 import org.junit.Assert.assertEquals
 import org.junit.Before
@@ -225,7 +225,8 @@
             depthController,
             null /* info */,
             null /* t */,
-            {} /* finishCallback */
+            {} /* finishCallback */,
+            1f /* cornerRadius */
         )
 
         verify(spySplitAnimationController)
@@ -261,7 +262,8 @@
             depthController,
             transitionInfo,
             transaction,
-            {} /* finishCallback */
+            {} /* finishCallback */,
+            1f /* cornerRadius */
         )
 
         verify(spySplitAnimationController)
@@ -289,7 +291,8 @@
             depthController,
             transitionInfo,
             transaction,
-            {} /* finishCallback */
+            {} /* finishCallback */,
+            1f /* cornerRadius */
         )
 
         verify(spySplitAnimationController)
@@ -317,7 +320,8 @@
             depthController,
             transitionInfo,
             transaction,
-            {} /* finishCallback */
+            {} /* finishCallback */,
+            1f /* cornerRadius */
         )
 
         verify(spySplitAnimationController)
@@ -344,7 +348,8 @@
             depthController,
             transitionInfo,
             transaction,
-            {} /* finishCallback */
+            {} /* finishCallback */,
+            1f /* cornerRadius */
         )
 
         verify(spySplitAnimationController)
@@ -371,7 +376,8 @@
             depthController,
             transitionInfo,
             transaction,
-            {} /* finishCallback */
+            {} /* finishCallback */,
+            1f /* cornerRadius */
         )
 
         verify(spySplitAnimationController)
@@ -383,7 +389,7 @@
         val spySplitAnimationController = spy(splitAnimationController)
         doNothing()
             .whenever(spySplitAnimationController)
-            .composeFadeInSplitLaunchAnimator(any(), any(), any(), any(), any())
+            .composeFadeInSplitLaunchAnimator(any(), any(), any(), any(), any(), any())
 
         spySplitAnimationController.playSplitLaunchAnimation(
             null /* launchingTaskView */,
@@ -397,10 +403,11 @@
             depthController,
             transitionInfo,
             transaction,
-            {} /* finishCallback */
+            {} /* finishCallback */,
+            1f /* cornerRadius */
         )
 
         verify(spySplitAnimationController)
-            .composeFadeInSplitLaunchAnimator(any(), any(), any(), any(), any())
+            .composeFadeInSplitLaunchAnimator(any(), any(), any(), any(), any(), any())
     }
 }
diff --git a/quickstep/tests/src/com/android/quickstep/DesktopSystemShortcutTest.kt b/quickstep/tests/src/com/android/quickstep/DesktopSystemShortcutTest.kt
index 50b5df1..f160ce2 100644
--- a/quickstep/tests/src/com/android/quickstep/DesktopSystemShortcutTest.kt
+++ b/quickstep/tests/src/com/android/quickstep/DesktopSystemShortcutTest.kt
@@ -32,6 +32,7 @@
 import com.android.launcher3.util.TransformingTouchDelegate
 import com.android.quickstep.TaskOverlayFactory.TaskOverlay
 import com.android.quickstep.views.LauncherRecentsView
+import com.android.quickstep.views.TaskContainer
 import com.android.quickstep.views.TaskThumbnailViewDeprecated
 import com.android.quickstep.views.TaskView
 import com.android.quickstep.views.TaskViewIcon
@@ -186,8 +187,9 @@
         }
     }
 
-    private fun createTaskContainer(task: Task): TaskView.TaskContainer {
-        return taskView.TaskContainer(
+    private fun createTaskContainer(task: Task): TaskContainer {
+        return TaskContainer(
+            taskView,
             task,
             thumbnailView = null,
             thumbnailViewDeprecated,
diff --git a/quickstep/tests/src/com/android/quickstep/TaplDigitalWellBeingToastTest.java b/quickstep/tests/src/com/android/quickstep/TaplDigitalWellBeingToastTest.java
index 07d8f61..6e25b10 100644
--- a/quickstep/tests/src/com/android/quickstep/TaplDigitalWellBeingToastTest.java
+++ b/quickstep/tests/src/com/android/quickstep/TaplDigitalWellBeingToastTest.java
@@ -31,6 +31,7 @@
 import com.android.launcher3.Launcher;
 import com.android.quickstep.views.DigitalWellBeingToast;
 import com.android.quickstep.views.RecentsView;
+import com.android.quickstep.views.TaskContainer;
 import com.android.quickstep.views.TaskView;
 
 import org.junit.Test;
@@ -86,7 +87,7 @@
         final TaskView task = getOnceNotNull("No latest task", launcher -> getLatestTask(launcher));
 
         return getFromLauncher(launcher -> {
-            TaskView.TaskContainer taskContainer = task.getTaskContainers().get(0);
+            TaskContainer taskContainer = task.getTaskContainers().get(0);
             assertTrue("Latest task is not Calculator", CALCULATOR_PACKAGE.equals(
                     taskContainer.getTask().getTopComponent().getPackageName()));
             return taskContainer.getDigitalWellBeingToast();
diff --git a/quickstep/tests/src/com/android/quickstep/TaplTestsSplitscreen.java b/quickstep/tests/src/com/android/quickstep/TaplTestsSplitscreen.java
index 8adf793..733ea4e 100644
--- a/quickstep/tests/src/com/android/quickstep/TaplTestsSplitscreen.java
+++ b/quickstep/tests/src/com/android/quickstep/TaplTestsSplitscreen.java
@@ -72,7 +72,6 @@
     }
 
     @Test
-    @TestStabilityRule.Stability(flavors = PLATFORM_POSTSUBMIT | LOCAL) // b/295225524
     public void testSplitAppFromHomeWithItself() throws Exception {
         // Currently only tablets have Taskbar in Overview, so test is only active on tablets
         assumeTrue(mLauncher.isTablet());
diff --git a/src/com/android/launcher3/allapps/PrivateProfileManager.java b/src/com/android/launcher3/allapps/PrivateProfileManager.java
index 6f021ea..0f4204f 100644
--- a/src/com/android/launcher3/allapps/PrivateProfileManager.java
+++ b/src/com/android/launcher3/allapps/PrivateProfileManager.java
@@ -48,6 +48,7 @@
 import android.content.Intent;
 import android.os.UserHandle;
 import android.os.UserManager;
+import android.util.Log;
 import android.view.View;
 import android.view.ViewGroup;
 import android.widget.ImageView;
@@ -89,6 +90,8 @@
  * logic in the Personal tab.
  */
 public class PrivateProfileManager extends UserProfileManager {
+
+    private static final String TAG = "PrivateProfileManager";
     private static final int EXPAND_COLLAPSE_DURATION = 800;
     private static final int SETTINGS_OPACITY_DURATION = 400;
     private static final int TEXT_UNLOCK_OPACITY_DURATION = 300;
@@ -362,6 +365,7 @@
         } else {
             // Ensure any unwanted animations to not happen.
             settingAndLockGroup.setLayoutTransition(null);
+            Log.d(TAG, "bindPrivateSpaceHeaderViewElements: removing transitions ");
         }
         updateView();
     }
@@ -597,6 +601,9 @@
         }
         attachFloatingMaskView(expand);
         ViewGroup settingsAndLockGroup = mPSHeader.findViewById(R.id.settingsAndLockGroup);
+        TextView lockText = mPSHeader.findViewById(R.id.lock_text);
+        PrivateSpaceSettingsButton privateSpaceSettingsButton =
+                mPSHeader.findViewById(R.id.ps_settings_button);
         if (settingsAndLockGroup.getLayoutTransition() == null) {
             // Set a new transition if the current ViewGroup does not already contain one as each
             // transition should only happen once when applied.
@@ -612,13 +619,15 @@
         animatorSet.addListener(new AnimatorListenerAdapter() {
             @Override
             public void onAnimationStart(Animator animation) {
+                Log.d(TAG, "updatePrivateStateAnimator: Private space animation expanding: "
+                        + expand);
                 mStatsLogManager.logger().sendToInteractionJankMonitor(
                         expand
                                 ? LAUNCHER_PRIVATE_SPACE_UNLOCK_ANIMATION_BEGIN
                                 : LAUNCHER_PRIVATE_SPACE_LOCK_ANIMATION_BEGIN,
                         mAllApps.getActiveRecyclerView());
                 // Animate the collapsing of the text at the same time while updating lock button.
-                mPSHeader.findViewById(R.id.lock_text).setVisibility(expand ? VISIBLE : GONE);
+                lockText.setVisibility(expand ? VISIBLE : GONE);
                 setAnimationRunning(true);
             }
 
@@ -636,6 +645,11 @@
                             ? LAUNCHER_PRIVATE_SPACE_UNLOCK_ANIMATION_END
                             : LAUNCHER_PRIVATE_SPACE_LOCK_ANIMATION_END,
                     mAllApps.getActiveRecyclerView());
+            Log.d(TAG, "updatePrivateStateAnimator: lockText visibility: "
+                    + lockText.getVisibility() + " lockTextAlpha: " + lockText.getAlpha());
+            Log.d(TAG, "updatePrivateStateAnimator: settingsCog visibility: "
+                    + privateSpaceSettingsButton.getVisibility()
+                    + " settingsCogAlpha: " + privateSpaceSettingsButton.getAlpha());
             if (!expand) {
                 mAllApps.mAH.get(MAIN).mRecyclerView.removeItemDecoration(
                         mPrivateAppsSectionDecorator);
@@ -717,15 +731,19 @@
             @Override
             public void startTransition(LayoutTransition transition, ViewGroup viewGroup,
                     View view, int i) {
+                Log.d(TAG, "updatePrivateStateAnimator: transition started: " + transition);
             }
             @Override
             public void endTransition(LayoutTransition transition, ViewGroup viewGroup,
                     View view, int i) {
                 settingsAndLockGroup.setLayoutTransition(null);
                 mReadyToAnimate = false;
+                Log.d(TAG, "updatePrivateStateAnimator: transition finished: " + transition);
             }
         });
         settingsAndLockGroup.setLayoutTransition(settingsAndLockTransition);
+        Log.d(TAG, "updatePrivateStateAnimator: setting transition: "
+                + settingsAndLockTransition);
     }
 
     /** Change the settings gear alpha when expanded or collapsed. */
diff --git a/src/com/android/launcher3/folder/FolderAnimationManager.java b/src/com/android/launcher3/folder/FolderAnimationManager.java
index 9824992..37a8d9b 100644
--- a/src/com/android/launcher3/folder/FolderAnimationManager.java
+++ b/src/com/android/launcher3/folder/FolderAnimationManager.java
@@ -60,6 +60,7 @@
  */
 public class FolderAnimationManager {
 
+    private static final float EXTRA_FOLDER_REVEAL_RADIUS_PERCENTAGE = 0.125F;
     private static final int FOLDER_NAME_ALPHA_DURATION = 32;
     private static final int LARGE_FOLDER_FOOTER_DURATION = 128;
 
@@ -158,12 +159,9 @@
         mFolder.mFooter.setPivotX(0);
         mFolder.mFooter.setPivotY(0);
 
-        // We want to create a small X offset for the preview items, so that they follow their
-        // expected path to their final locations. ie. an icon should not move right, if it's final
-        // location is to its left. This value is arbitrarily defined.
-        int previewItemOffsetX = (int) (previewSize / 2);
+        int previewItemOffsetX = 0;
         if (Utilities.isRtl(mContext.getResources())) {
-            previewItemOffsetX = (int) (lp.width * initialScale - initialSize - previewItemOffsetX);
+            previewItemOffsetX = (int) (lp.width * initialScale - initialSize);
         }
 
         final int paddingOffsetX = (int) (mContent.getPaddingLeft() * initialScale);
@@ -239,29 +237,19 @@
         play(a, shapeDelegate.createRevealAnimator(
                 mFolder, startRect, endRect, finalRadius, !mIsOpening));
 
-        // Create reveal animator for the folder content (capture the top 4 icons 2x2)
-        int width = mDeviceProfile.folderCellLayoutBorderSpacePx.x
-                + mDeviceProfile.folderCellWidthPx * 2;
-        int rtlExtraWidth = 0;
-        int height = mDeviceProfile.folderCellLayoutBorderSpacePx.y
-                + mDeviceProfile.folderCellHeightPx * 2;
         int page = mIsOpening ? mContent.getCurrentPage() : mContent.getDestinationPage();
-        // In RTL we want to move to the last 2 columns of icons in the folder.
         if (Utilities.isRtl(mContext.getResources())) {
             page = (mContent.getPageCount() - 1) - page;
-            CellLayout clAtPage = mContent.getPageAt(page);
-            if (clAtPage != null) {
-                int numExtraRows = clAtPage.getCountX() - 2;
-                rtlExtraWidth = (int) Math.max(numExtraRows * (mDeviceProfile.folderCellWidthPx
-                        + mDeviceProfile.folderCellLayoutBorderSpacePx.x), rtlExtraWidth);
-            }
         }
-        int left = mContent.getPaddingLeft() + page * lp.width;
+        int left = page * lp.width;
+
+        int extraRadius = (int) ((mDeviceProfile.folderIconSizePx / initialScale)
+                * EXTRA_FOLDER_REVEAL_RADIUS_PERCENTAGE);
         Rect contentStart = new Rect(
-                left + rtlExtraWidth,
-                0,
-                left + width + mContent.getPaddingRight() + rtlExtraWidth,
-                height);
+                (int) (left + (startRect.left / initialScale)) - extraRadius,
+                (int) (startRect.top / initialScale) - extraRadius,
+                (int) (left + (startRect.right / initialScale)) + extraRadius,
+                (int) (startRect.bottom / initialScale) + extraRadius);
         Rect contentEnd = new Rect(left, 0, left + lp.width, lp.height);
         play(a, shapeDelegate.createRevealAnimator(
                 mFolder.getContent(), contentStart, contentEnd, finalRadius, !mIsOpening));
diff --git a/tests/src/com/android/launcher3/ui/widget/TaplBindWidgetTest.java b/tests/src/com/android/launcher3/ui/widget/TaplBindWidgetTest.java
index 28d1faa..d40d3bc 100644
--- a/tests/src/com/android/launcher3/ui/widget/TaplBindWidgetTest.java
+++ b/tests/src/com/android/launcher3/ui/widget/TaplBindWidgetTest.java
@@ -23,8 +23,6 @@
 import static com.android.launcher3.provider.LauncherDbUtils.itemIdMatch;
 import static com.android.launcher3.util.Executors.MODEL_EXECUTOR;
 import static com.android.launcher3.util.WidgetUtils.createWidgetInfo;
-import static com.android.launcher3.util.rule.TestStabilityRule.LOCAL;
-import static com.android.launcher3.util.rule.TestStabilityRule.PLATFORM_POSTSUBMIT;
 
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertNotNull;
@@ -56,7 +54,6 @@
 import com.android.launcher3.ui.AbstractLauncherUiTest;
 import com.android.launcher3.ui.TestViewHelpers;
 import com.android.launcher3.util.rule.ShellCommandRule;
-import com.android.launcher3.util.rule.TestStabilityRule;
 import com.android.launcher3.widget.LauncherAppWidgetProviderInfo;
 import com.android.launcher3.widget.WidgetManagerHelper;
 
@@ -143,7 +140,6 @@
     }
 
     @Test
-    @TestStabilityRule.Stability(flavors = LOCAL | PLATFORM_POSTSUBMIT) // b/310242894
     public void testPendingWidget_withConfigScreen() {
         // A non-restored widget with config screen get bound and shows a 'Click to setup' UI.
         // Do not bind the widget
@@ -193,7 +189,6 @@
     }
 
     @Test
-    @TestStabilityRule.Stability(flavors = LOCAL | PLATFORM_POSTSUBMIT) // b/310242894
     public void testPendingWidget_notRestored_brokenInstall() {
         // A widget which is was being installed once, even if its not being
         // installed at the moment is not removed.
diff --git a/tests/src/com/android/launcher3/ui/workspace/TaplTwoPanelWorkspaceTest.java b/tests/src/com/android/launcher3/ui/workspace/TaplTwoPanelWorkspaceTest.java
index e92d641..ae24a57 100644
--- a/tests/src/com/android/launcher3/ui/workspace/TaplTwoPanelWorkspaceTest.java
+++ b/tests/src/com/android/launcher3/ui/workspace/TaplTwoPanelWorkspaceTest.java
@@ -247,7 +247,6 @@
     }
 
     @ScreenRecordRule.ScreenRecord // b/329935119
-    @TestStabilityRule.Stability(flavors = LOCAL | PLATFORM_POSTSUBMIT) // b/329935119
     @Test
     @PortraitLandscape
     public void testEmptyPageDoesNotGetRemovedIfPagePairIsNotEmpty() {