diff --git a/quickstep/src/com/android/launcher3/QuickstepTransitionManager.java b/quickstep/src/com/android/launcher3/QuickstepTransitionManager.java
index dccc9e1..66ccee6 100644
--- a/quickstep/src/com/android/launcher3/QuickstepTransitionManager.java
+++ b/quickstep/src/com/android/launcher3/QuickstepTransitionManager.java
@@ -34,6 +34,7 @@
 import static com.android.launcher3.anim.Interpolators.DEACCEL_1_7;
 import static com.android.launcher3.anim.Interpolators.EXAGGERATED_EASE;
 import static com.android.launcher3.anim.Interpolators.LINEAR;
+import static com.android.launcher3.config.FeatureFlags.ENABLE_SCRIM_FOR_APP_LAUNCH;
 import static com.android.launcher3.config.FeatureFlags.KEYGUARD_ANIMATION;
 import static com.android.launcher3.config.FeatureFlags.SEPARATE_RECENTS_ACTIVITY;
 import static com.android.launcher3.dragndrop.DragLayer.ALPHA_INDEX_TRANSITIONS;
@@ -508,20 +509,23 @@
                 launcherAnimator.play(scaleAnim);
             });
 
-            int scrimColor = Themes.getAttrColor(mLauncher, R.attr.overviewScrimColor);
-            int scrimColorTrans = ColorUtils.setAlphaComponent(scrimColor, 0);
-            int[] colors = isAppOpening
-                    ? new int[] {scrimColorTrans, scrimColor}
-                    : new int[] {scrimColor, scrimColorTrans};
-            ScrimView scrimView = mLauncher.getScrimView();
-            if (scrimView.getBackground() instanceof ColorDrawable) {
-                scrimView.setBackgroundColor(colors[0]);
+            final boolean scrimEnabled = ENABLE_SCRIM_FOR_APP_LAUNCH.get();
+            if (scrimEnabled) {
+                int scrimColor = Themes.getAttrColor(mLauncher, R.attr.overviewScrimColor);
+                int scrimColorTrans = ColorUtils.setAlphaComponent(scrimColor, 0);
+                int[] colors = isAppOpening
+                        ? new int[]{scrimColorTrans, scrimColor}
+                        : new int[]{scrimColor, scrimColorTrans};
+                ScrimView scrimView = mLauncher.getScrimView();
+                if (scrimView.getBackground() instanceof ColorDrawable) {
+                    scrimView.setBackgroundColor(colors[0]);
 
-                ObjectAnimator scrim = ObjectAnimator.ofArgb(scrimView, VIEW_BACKGROUND_COLOR,
-                        colors);
-                scrim.setDuration(CONTENT_SCRIM_DURATION);
-                scrim.setInterpolator(DEACCEL_1_5);
-                launcherAnimator.play(scrim);
+                    ObjectAnimator scrim = ObjectAnimator.ofArgb(scrimView, VIEW_BACKGROUND_COLOR,
+                            colors);
+                    scrim.setDuration(CONTENT_SCRIM_DURATION);
+                    scrim.setInterpolator(DEACCEL_1_5);
+                    launcherAnimator.play(scrim);
+                }
             }
 
             // Pause page indicator animations as they lead to layer trashing.
@@ -532,7 +536,9 @@
                     SCALE_PROPERTY.set(view, 1f);
                     view.setLayerType(View.LAYER_TYPE_NONE, null);
                 });
-                scrimView.setBackgroundColor(Color.TRANSPARENT);
+                if (scrimEnabled) {
+                    mLauncher.getScrimView().setBackgroundColor(Color.TRANSPARENT);
+                }
                 mLauncher.getWorkspace().getPageIndicator().skipAnimationsToEnd();
             };
         }
diff --git a/quickstep/src/com/android/launcher3/taskbar/LauncherTaskbarUIController.java b/quickstep/src/com/android/launcher3/taskbar/LauncherTaskbarUIController.java
index f4168d9..7d0afe1 100644
--- a/quickstep/src/com/android/launcher3/taskbar/LauncherTaskbarUIController.java
+++ b/quickstep/src/com/android/launcher3/taskbar/LauncherTaskbarUIController.java
@@ -15,27 +15,29 @@
  */
 package com.android.launcher3.taskbar;
 
-import static com.android.launcher3.anim.Interpolators.LINEAR;
+import static com.android.launcher3.LauncherState.HOTSEAT_ICONS;
 import static com.android.launcher3.taskbar.TaskbarViewController.ALPHA_INDEX_HOME;
-import static com.android.launcher3.taskbar.TaskbarViewController.ALPHA_INDEX_LAUNCHER_STATE;
 
 import android.animation.Animator;
 import android.animation.AnimatorListenerAdapter;
+import android.animation.ObjectAnimator;
 import android.graphics.Rect;
 import android.view.MotionEvent;
 
 import androidx.annotation.NonNull;
-import androidx.annotation.Nullable;
 
 import com.android.launcher3.BaseQuickstepLauncher;
 import com.android.launcher3.LauncherState;
 import com.android.launcher3.QuickstepTransitionManager;
 import com.android.launcher3.R;
 import com.android.launcher3.anim.AnimatorListeners;
-import com.android.launcher3.anim.PendingAnimation;
 import com.android.launcher3.util.MultiValueAlpha;
 import com.android.launcher3.util.MultiValueAlpha.AlphaProperty;
 import com.android.quickstep.AnimatedFloat;
+import com.android.quickstep.RecentsAnimationCallbacks;
+import com.android.quickstep.RecentsAnimationCallbacks.RecentsAnimationListener;
+import com.android.quickstep.RecentsAnimationController;
+import com.android.systemui.shared.recents.model.ThumbnailData;
 
 
 /**
@@ -51,12 +53,19 @@
     final TaskbarDragLayer mTaskbarDragLayer;
     final TaskbarView mTaskbarView;
 
+    private final AnimatedFloat mIconAlignmentForResumedState =
+            new AnimatedFloat(this::onIconAlignmentRatioChanged);
+    private final AnimatedFloat mIconAlignmentForGestureState =
+            new AnimatedFloat(this::onIconAlignmentRatioChanged);
+
     private AnimatedFloat mTaskbarBackgroundAlpha;
     private AlphaProperty mIconAlphaForHome;
-    private @Nullable Animator mAnimator;
     private boolean mIsAnimatingToLauncher;
     private TaskbarKeyguardController mKeyguardController;
 
+    private LauncherState mTargetStateOverride = null;
+    private TaskbarControllers mControllers;
+
     public LauncherTaskbarUIController(
             BaseQuickstepLauncher launcher, TaskbarActivityContext context) {
         mContext = context;
@@ -67,7 +76,6 @@
         mTaskbarStateHandler = mLauncher.getTaskbarStateHandler();
         mHotseatController = new TaskbarHotseatController(
                 mLauncher, mTaskbarView::updateHotseatItems);
-
     }
 
     @Override
@@ -77,21 +85,22 @@
         MultiValueAlpha taskbarIconAlpha = taskbarControllers.taskbarViewController
                 .getTaskbarIconAlpha();
         mIconAlphaForHome = taskbarIconAlpha.getProperty(ALPHA_INDEX_HOME);
-        mTaskbarStateHandler.setAnimationController(taskbarIconAlpha.getProperty(
-                ALPHA_INDEX_LAUNCHER_STATE));
+        mControllers = taskbarControllers;
+
         mHotseatController.init();
-        setTaskbarViewVisible(!mLauncher.hasBeenResumed());
         mLauncher.setTaskbarUIController(this);
         mKeyguardController = taskbarControllers.taskbarKeyguardController;
+
+        onLauncherResumedOrPaused(mLauncher.hasBeenResumed());
+        mIconAlignmentForResumedState.finishAnimation();
+        onIconAlignmentRatioChanged();
     }
 
     @Override
     protected void onDestroy() {
-        if (mAnimator != null) {
-            // End this first, in case it relies on properties that are about to be cleaned up.
-            mAnimator.end();
-        }
-        mTaskbarStateHandler.setAnimationController(null);
+        mIconAlignmentForResumedState.finishAnimation();
+        mIconAlignmentForGestureState.finishAnimation();
+
         mHotseatController.cleanup();
         setTaskbarViewVisible(true);
         mLauncher.getHotseat().setIconsAlpha(1f);
@@ -100,7 +109,7 @@
 
     @Override
     protected boolean isTaskbarTouchable() {
-        return !mIsAnimatingToLauncher;
+        return !mIsAnimatingToLauncher && mTargetStateOverride == null;
     }
 
     @Override
@@ -128,63 +137,82 @@
             }
         }
 
-        long duration = QuickstepTransitionManager.CONTENT_ALPHA_DURATION;
-        if (mAnimator != null) {
-            mAnimator.cancel();
-        }
-        if (isResumed) {
-            mAnimator = createAnimToLauncher(mLauncher.getStateManager().getState(), duration);
-        } else {
-            mAnimator = createAnimToApp(duration);
-        }
-        mAnimator.addListener(new AnimatorListenerAdapter() {
-            @Override
-            public void onAnimationEnd(Animator animation) {
-                mAnimator = null;
-            }
-        });
-        mAnimator.start();
+        ObjectAnimator anim = mIconAlignmentForResumedState.animateToValue(
+                getCurrentIconAlignmentRatio(), isResumed ? 1 : 0)
+                .setDuration(QuickstepTransitionManager.CONTENT_ALPHA_DURATION);
+
+        anim.addListener(AnimatorListeners.forEndCallback(() -> mIsAnimatingToLauncher = false));
+        anim.start();
+        mIsAnimatingToLauncher = isResumed;
     }
 
     /**
-     * Create Taskbar animation when going from an app to Launcher.
+     * Create Taskbar animation when going from an app to Launcher as part of recents transition.
      * @param toState If known, the state we will end up in when reaching Launcher.
-     * TODO: Move this and createAnimToApp to TaskbarStateHandler using the BACKGROUND state
+     * @param callbacks callbacks to track the recents animation lifecycle. The state change is
+     *                 automatically reset once the recents animation finishes
      */
-    public Animator createAnimToLauncher(@NonNull LauncherState toState, long duration) {
-        PendingAnimation anim = new PendingAnimation(duration);
-        mTaskbarStateHandler.setState(toState, anim);
-
-        anim.setFloat(mTaskbarBackgroundAlpha, AnimatedFloat.VALUE, 0, LINEAR);
-        mTaskbarView.alignIconsWithLauncher(mLauncher.getDeviceProfile(), anim);
-
-        anim.addListener(new AnimatorListenerAdapter() {
-            @Override
-            public void onAnimationStart(Animator animation) {
-                mIsAnimatingToLauncher = true;
-            }
-
+    public Animator createAnimToLauncher(@NonNull LauncherState toState,
+            @NonNull RecentsAnimationCallbacks callbacks,
+            long duration) {
+        ObjectAnimator animator = mIconAlignmentForGestureState
+                .animateToValue(mIconAlignmentForGestureState.value, 1)
+                .setDuration(duration);
+        animator.addListener(new AnimatorListenerAdapter() {
             @Override
             public void onAnimationEnd(Animator animation) {
-                mIsAnimatingToLauncher = false;
-                setTaskbarViewVisible(false);
+                mTargetStateOverride = null;
             }
-        });
 
-        return anim.buildAnim();
-    }
-
-    private Animator createAnimToApp(long duration) {
-        PendingAnimation anim = new PendingAnimation(duration);
-        anim.setFloat(mTaskbarBackgroundAlpha, AnimatedFloat.VALUE, 1, LINEAR);
-        anim.addListener(AnimatorListeners.forEndCallback(mTaskbarView.resetIconPosition(anim)));
-        anim.addListener(new AnimatorListenerAdapter() {
             @Override
             public void onAnimationStart(Animator animation) {
-                setTaskbarViewVisible(true);
+                mTargetStateOverride = toState;
             }
         });
-        return anim.buildAnim();
+        callbacks.addListener(new RecentsAnimationListener() {
+            @Override
+            public void onRecentsAnimationCanceled(ThumbnailData thumbnailData) {
+                endGestureStateOverride();
+            }
+
+            @Override
+            public void onRecentsAnimationFinished(RecentsAnimationController controller) {
+                endGestureStateOverride();
+            }
+
+            private void endGestureStateOverride() {
+                callbacks.removeListener(this);
+                mIconAlignmentForGestureState
+                        .animateToValue(mIconAlignmentForGestureState.value, 0)
+                        .start();
+            }
+        });
+        return animator;
+    }
+
+    private float getCurrentIconAlignmentRatio() {
+        return  Math.max(mIconAlignmentForResumedState.value, mIconAlignmentForGestureState.value);
+    }
+
+    private void onIconAlignmentRatioChanged() {
+        if (mControllers == null) {
+            return;
+        }
+        float alignment = getCurrentIconAlignmentRatio();
+        mControllers.taskbarViewController.setLauncherIconAlignment(
+                alignment, mLauncher.getDeviceProfile());
+
+        mTaskbarBackgroundAlpha.updateValue(1 - alignment);
+
+        LauncherState state = mTargetStateOverride != null ? mTargetStateOverride
+                : mLauncher.getStateManager().getState();
+        if ((state.getVisibleElements(mLauncher) & HOTSEAT_ICONS) != 0) {
+            // If the hotseat icons are visible, then switch taskbar in last frame
+            setTaskbarViewVisible(alignment < 1);
+        } else {
+            mLauncher.getHotseat().setIconsAlpha(1);
+            mIconAlphaForHome.setValue(1 - alignment);
+        }
     }
 
     /**
diff --git a/quickstep/src/com/android/launcher3/taskbar/NavbarButtonsViewController.java b/quickstep/src/com/android/launcher3/taskbar/NavbarButtonsViewController.java
index d40242c..2facd44 100644
--- a/quickstep/src/com/android/launcher3/taskbar/NavbarButtonsViewController.java
+++ b/quickstep/src/com/android/launcher3/taskbar/NavbarButtonsViewController.java
@@ -105,7 +105,7 @@
             return true;
         };
 
-        if (mContext.canShowNavButtons()) {
+        if (mContext.isThreeButtonNav()) {
             initButtons(mStartContainer, mEndContainer, mControllers.navButtonController);
 
             // Animate taskbar background when IME shows
diff --git a/quickstep/src/com/android/launcher3/taskbar/TaskbarActivityContext.java b/quickstep/src/com/android/launcher3/taskbar/TaskbarActivityContext.java
index 000799b..4142610 100644
--- a/quickstep/src/com/android/launcher3/taskbar/TaskbarActivityContext.java
+++ b/quickstep/src/com/android/launcher3/taskbar/TaskbarActivityContext.java
@@ -17,7 +17,6 @@
 
 import static android.view.ViewGroup.LayoutParams.MATCH_PARENT;
 import static android.view.WindowManager.LayoutParams.LAYOUT_IN_DISPLAY_CUTOUT_MODE_ALWAYS;
-import static android.view.WindowManager.LayoutParams.TYPE_APPLICATION_OVERLAY;
 import static android.view.WindowManager.LayoutParams.TYPE_NAVIGATION_BAR_PANEL;
 
 import static com.android.systemui.shared.system.WindowManagerWrapper.ITYPE_BOTTOM_TAPPABLE_ELEMENT;
@@ -93,6 +92,7 @@
     private final ViewCache mViewCache = new ViewCache();
 
     private final boolean mIsSafeModeEnabled;
+    private boolean mIsDestroyed = false;
 
     public TaskbarActivityContext(Context windowContext, DeviceProfile dp,
             TaskbarNavButtonController buttonController) {
@@ -161,8 +161,8 @@
         mWindowManager.addView(mDragLayer, mWindowLayoutParams);
     }
 
-    public boolean canShowNavButtons() {
-        return ENABLE_THREE_BUTTON_TASKBAR && mNavMode == Mode.THREE_BUTTONS;
+    public boolean isThreeButtonNav() {
+        return mNavMode == Mode.THREE_BUTTONS;
     }
 
     @Override
@@ -208,13 +208,14 @@
      * Called when this instance of taskbar is no longer needed
      */
     public void onDestroy() {
+        mIsDestroyed = true;
         setUIController(TaskbarUIController.DEFAULT);
         mControllers.onDestroy();
         mWindowManager.removeViewImmediate(mDragLayer);
     }
 
     public void updateSysuiStateFlags(int systemUiStateFlags, boolean forceUpdate) {
-        if (!canShowNavButtons()) {
+        if (!isThreeButtonNav()) {
             return;
         }
         mControllers.navbarButtonsViewController.updateStateForSysuiFlags(
@@ -252,7 +253,7 @@
      * Updates the TaskbarContainer height (pass deviceProfile.taskbarSize to reset).
      */
     public void setTaskbarWindowHeight(int height) {
-        if (mWindowLayoutParams.height == height) {
+        if (mWindowLayoutParams.height == height || mIsDestroyed) {
             return;
         }
         if (height != MATCH_PARENT) {
diff --git a/quickstep/src/com/android/launcher3/taskbar/TaskbarControllers.java b/quickstep/src/com/android/launcher3/taskbar/TaskbarControllers.java
index 157053e..c48c28b 100644
--- a/quickstep/src/com/android/launcher3/taskbar/TaskbarControllers.java
+++ b/quickstep/src/com/android/launcher3/taskbar/TaskbarControllers.java
@@ -61,7 +61,7 @@
      */
     public void init() {
         navbarButtonsViewController.init(this);
-        if (taskbarActivityContext.canShowNavButtons()) {
+        if (taskbarActivityContext.isThreeButtonNav()) {
             rotationButtonController.init();
         }
         taskbarDragLayerController.init(this);
diff --git a/quickstep/src/com/android/launcher3/taskbar/TaskbarDragLayer.java b/quickstep/src/com/android/launcher3/taskbar/TaskbarDragLayer.java
index c684543..ac121ab 100644
--- a/quickstep/src/com/android/launcher3/taskbar/TaskbarDragLayer.java
+++ b/quickstep/src/com/android/launcher3/taskbar/TaskbarDragLayer.java
@@ -19,12 +19,15 @@
 import android.graphics.Canvas;
 import android.graphics.Paint;
 import android.util.AttributeSet;
+import android.view.MotionEvent;
 import android.view.View;
 
 import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
 
 import com.android.launcher3.R;
+import com.android.launcher3.testing.TestLogging;
+import com.android.launcher3.testing.TestProtocol;
 import com.android.launcher3.util.TouchController;
 import com.android.launcher3.views.BaseDragLayer;
 import com.android.systemui.shared.system.ViewTreeObserverWrapper;
@@ -128,4 +131,10 @@
         mTaskbarBackgroundPaint.setAlpha((int) (alpha * 255));
         invalidate();
     }
+
+    @Override
+    public boolean dispatchTouchEvent(MotionEvent ev) {
+        TestLogging.recordMotionEvent(TestProtocol.SEQUENCE_MAIN, "Touch event", ev);
+        return super.dispatchTouchEvent(ev);
+    }
 }
diff --git a/quickstep/src/com/android/launcher3/taskbar/TaskbarDragLayerController.java b/quickstep/src/com/android/launcher3/taskbar/TaskbarDragLayerController.java
index 743619b..db5c387 100644
--- a/quickstep/src/com/android/launcher3/taskbar/TaskbarDragLayerController.java
+++ b/quickstep/src/com/android/launcher3/taskbar/TaskbarDragLayerController.java
@@ -93,7 +93,7 @@
          */
         public void updateInsetsTouchability(InsetsInfo insetsInfo) {
             insetsInfo.touchableRegion.setEmpty();
-            if (mActivity.canShowNavButtons()) {
+            if (mActivity.isThreeButtonNav()) {
                 // Always have nav buttons be touchable
                 mControllers.navbarButtonsViewController.addVisibleButtonsRegion(
                         mTaskbarDragLayer, insetsInfo.touchableRegion);
diff --git a/quickstep/src/com/android/launcher3/taskbar/TaskbarKeyguardController.java b/quickstep/src/com/android/launcher3/taskbar/TaskbarKeyguardController.java
index b7799d8..2936bd2 100644
--- a/quickstep/src/com/android/launcher3/taskbar/TaskbarKeyguardController.java
+++ b/quickstep/src/com/android/launcher3/taskbar/TaskbarKeyguardController.java
@@ -57,7 +57,7 @@
         mKeyguardSysuiFlags = interestingKeyguardFlags;
 
         mBouncerShowing = bouncerShowing;
-        if (!mContext.canShowNavButtons()) {
+        if (!mContext.isThreeButtonNav()) {
             // For gesture nav we don't need to deal with bouncer or showing taskbar when locked
             return;
         }
diff --git a/quickstep/src/com/android/launcher3/taskbar/TaskbarStateHandler.java b/quickstep/src/com/android/launcher3/taskbar/TaskbarStateHandler.java
index 20d4133..edd2a22 100644
--- a/quickstep/src/com/android/launcher3/taskbar/TaskbarStateHandler.java
+++ b/quickstep/src/com/android/launcher3/taskbar/TaskbarStateHandler.java
@@ -18,45 +18,33 @@
 import static com.android.launcher3.LauncherState.TASKBAR;
 import static com.android.launcher3.anim.Interpolators.LINEAR;
 
-import androidx.annotation.Nullable;
-
 import com.android.launcher3.BaseQuickstepLauncher;
 import com.android.launcher3.LauncherState;
 import com.android.launcher3.anim.PendingAnimation;
 import com.android.launcher3.anim.PropertySetter;
 import com.android.launcher3.statemanager.StateManager;
 import com.android.launcher3.states.StateAnimationConfig;
-import com.android.launcher3.util.MultiValueAlpha;
 import com.android.quickstep.AnimatedFloat;
 import com.android.quickstep.SystemUiProxy;
 
 /**
- * StateHandler to animate Taskbar according to Launcher's state machine. Does nothing if Taskbar
- * isn't present (i.e. {@link #setAnimationController} is never called).
+ * StateHandler to animate Taskbar according to Launcher's state machine.
  */
 public class TaskbarStateHandler implements StateManager.StateHandler<LauncherState> {
 
     private final BaseQuickstepLauncher mLauncher;
 
-    // Contains Taskbar-related properties we should aniamte. If null, don't do anything.
-    private @Nullable MultiValueAlpha.AlphaProperty mTaskbarAlpha = null;
-
     private AnimatedFloat mNavbarButtonAlpha = new AnimatedFloat(this::updateNavbarButtonAlpha);
 
     public TaskbarStateHandler(BaseQuickstepLauncher launcher) {
         mLauncher = launcher;
     }
 
-    public void setAnimationController(MultiValueAlpha.AlphaProperty taskbarAlpha) {
-        mTaskbarAlpha = taskbarAlpha;
-        // Reapply state.
-        setState(mLauncher.getStateManager().getState());
-        updateNavbarButtonAlpha();
-    }
-
     @Override
     public void setState(LauncherState state) {
         setState(state, PropertySetter.NO_ANIM_PROPERTY_SETTER);
+        // Force update the alpha in case it was not initialized properly
+        updateNavbarButtonAlpha();
     }
 
     @Override
@@ -69,12 +57,7 @@
      * Sets the provided state
      */
     public void setState(LauncherState toState, PropertySetter setter) {
-        if (mTaskbarAlpha == null) {
-            return;
-        }
-
         boolean isTaskbarVisible = (toState.getVisibleElements(mLauncher) & TASKBAR) != 0;
-        setter.setFloat(mTaskbarAlpha, MultiValueAlpha.VALUE, isTaskbarVisible ? 1f : 0f, LINEAR);
         // Make the nav bar visible in states that taskbar isn't visible.
         // TODO: We should draw our own handle instead of showing the nav bar.
         float navbarButtonAlpha = isTaskbarVisible ? 0f : 1f;
diff --git a/quickstep/src/com/android/launcher3/taskbar/TaskbarView.java b/quickstep/src/com/android/launcher3/taskbar/TaskbarView.java
index a952182..7753f96 100644
--- a/quickstep/src/com/android/launcher3/taskbar/TaskbarView.java
+++ b/quickstep/src/com/android/launcher3/taskbar/TaskbarView.java
@@ -15,11 +15,6 @@
  */
 package com.android.launcher3.taskbar;
 
-import static com.android.launcher3.LauncherAnimUtils.SCALE_PROPERTY;
-import static com.android.launcher3.LauncherAnimUtils.VIEW_TRANSLATE_X;
-import static com.android.launcher3.LauncherAnimUtils.VIEW_TRANSLATE_Y;
-import static com.android.launcher3.anim.Interpolators.LINEAR;
-
 import android.content.Context;
 import android.content.res.Resources;
 import android.graphics.Canvas;
@@ -34,10 +29,8 @@
 import androidx.annotation.Nullable;
 
 import com.android.launcher3.BubbleTextView;
-import com.android.launcher3.DeviceProfile;
 import com.android.launcher3.Insettable;
 import com.android.launcher3.R;
-import com.android.launcher3.anim.PropertySetter;
 import com.android.launcher3.folder.FolderIcon;
 import com.android.launcher3.model.data.FolderInfo;
 import com.android.launcher3.model.data.ItemInfo;
@@ -105,51 +98,6 @@
         mIconLongClickListener = mControllerCallbacks.getOnLongClickListener();
     }
 
-    /**
-     * Aligns the icons in the taskbar to that of Launcher.
-     */
-    public void alignIconsWithLauncher(DeviceProfile launcherDp, PropertySetter setter) {
-        Rect hotseatPadding = launcherDp.getHotseatLayoutPadding(getContext());
-        float scaleUp = ((float) launcherDp.iconSizePx)
-                / mActivityContext.getDeviceProfile().iconSizePx;
-        int hotseatCellSize =
-                (launcherDp.availableWidthPx - hotseatPadding.left - hotseatPadding.right)
-                        / launcherDp.numShownHotseatIcons;
-
-        int offsetY = launcherDp.getTaskbarOffsetY();
-        setter.setFloat(this, VIEW_TRANSLATE_Y, -offsetY, LINEAR);
-        mActivityContext.setTaskbarWindowHeight(
-                mActivityContext.getDeviceProfile().taskbarSize + offsetY);
-
-        int count = getChildCount();
-        for (int i = 0; i < count; i++) {
-            View child = getChildAt(i);
-            ItemInfo info = (ItemInfo) child.getTag();
-            setter.setFloat(child, SCALE_PROPERTY, scaleUp, LINEAR);
-
-            float childCenter = (child.getLeft() + child.getRight()) / 2;
-            float hotseatIconCenter = hotseatPadding.left + hotseatCellSize * info.screenId
-                    + hotseatCellSize / 2;
-            setter.setFloat(child, VIEW_TRANSLATE_X, hotseatIconCenter - childCenter, LINEAR);
-        }
-    }
-
-    /**
-     * Aligns the icons in the taskbar to that of Launcher.
-     * @return a callback to be executed at the end of the setter
-     */
-    public Runnable resetIconPosition(PropertySetter setter) {
-        int count = getChildCount();
-        for (int i = 0; i < count; i++) {
-            View child = getChildAt(i);
-            setter.setFloat(child, SCALE_PROPERTY, 1, LINEAR);
-            setter.setFloat(child, VIEW_TRANSLATE_X, 0, LINEAR);
-        }
-        setter.setFloat(this, VIEW_TRANSLATE_Y, 0, LINEAR);
-        return () -> mActivityContext.setTaskbarWindowHeight(
-                mActivityContext.getDeviceProfile().taskbarSize);
-    }
-
     private void removeAndRecycle(View view) {
         removeView(view);
         view.setOnClickListener(null);
@@ -195,6 +143,7 @@
                     // so if the info changes we need to reinflate. This should only happen if a new
                     // folder is dragged to the position that another folder previously existed.
                     removeAndRecycle(hotseatView);
+                    hotseatView = null;
                 } else {
                     // View found
                     break;
diff --git a/quickstep/src/com/android/launcher3/taskbar/TaskbarViewController.java b/quickstep/src/com/android/launcher3/taskbar/TaskbarViewController.java
index 10cc926..c7ac4a4 100644
--- a/quickstep/src/com/android/launcher3/taskbar/TaskbarViewController.java
+++ b/quickstep/src/com/android/launcher3/taskbar/TaskbarViewController.java
@@ -15,19 +15,29 @@
  */
 package com.android.launcher3.taskbar;
 
+import static com.android.launcher3.LauncherAnimUtils.SCALE_PROPERTY;
+import static com.android.launcher3.LauncherAnimUtils.VIEW_TRANSLATE_X;
+import static com.android.launcher3.LauncherAnimUtils.VIEW_TRANSLATE_Y;
+import static com.android.launcher3.anim.Interpolators.LINEAR;
+
+import android.graphics.Rect;
 import android.view.View;
 
+import com.android.launcher3.DeviceProfile;
+import com.android.launcher3.anim.AnimatorPlaybackController;
+import com.android.launcher3.anim.PendingAnimation;
+import com.android.launcher3.model.data.ItemInfo;
 import com.android.launcher3.util.MultiValueAlpha;
 
 /**
  * Handles properties/data collection, then passes the results to TaskbarView to render.
  */
 public class TaskbarViewController {
+    private static final Runnable NO_OP = () -> { };
 
     public static final int ALPHA_INDEX_HOME = 0;
-    public static final int ALPHA_INDEX_LAUNCHER_STATE = 1;
-    public static final int ALPHA_INDEX_IME = 2;
-    public static final int ALPHA_INDEX_KEYGUARD = 3;
+    public static final int ALPHA_INDEX_IME = 1;
+    public static final int ALPHA_INDEX_KEYGUARD = 2;
 
     private final TaskbarActivityContext mActivity;
     private final TaskbarView mTaskbarView;
@@ -36,10 +46,15 @@
     // Initialized in init.
     private TaskbarControllers mControllers;
 
+    // Animation to align icons with Launcher, created lazily. This allows the controller to be
+    // active only during the animation and does not need to worry about layout changes.
+    private AnimatorPlaybackController mIconAlignControllerLazy = null;
+    private Runnable mOnControllerPreCreateCallback = NO_OP;
+
     public TaskbarViewController(TaskbarActivityContext activity, TaskbarView taskbarView) {
         mActivity = activity;
         mTaskbarView = taskbarView;
-        mTaskbarIconAlpha = new MultiValueAlpha(mTaskbarView, 4);
+        mTaskbarIconAlpha = new MultiValueAlpha(mTaskbarView, 3);
         mTaskbarIconAlpha.setUpdateVisibility(true);
     }
 
@@ -72,6 +87,60 @@
     }
 
     /**
+     * Sets the taskbar icon alignment relative to Launcher hotseat icons
+     * @param alignmentRatio [0, 1]
+     *                       0 => not aligned
+     *                       1 => fully aligned
+     */
+    public void setLauncherIconAlignment(float alignmentRatio, DeviceProfile launcherDp) {
+        if (mIconAlignControllerLazy == null) {
+            mIconAlignControllerLazy = createIconAlignmentController(launcherDp);
+        }
+        mIconAlignControllerLazy.setPlayFraction(alignmentRatio);
+        if (alignmentRatio <= 0 || alignmentRatio >= 1) {
+            // Cleanup lazy controller so that it is created again in next animation
+            mIconAlignControllerLazy = null;
+        }
+    }
+
+    /**
+     * Creates an animation for aligning the taskbar icons with the provided Launcher device profile
+     */
+    private AnimatorPlaybackController createIconAlignmentController(DeviceProfile launcherDp) {
+        mOnControllerPreCreateCallback.run();
+        PendingAnimation setter = new PendingAnimation(100);
+        Rect hotseatPadding = launcherDp.getHotseatLayoutPadding(mActivity);
+        float scaleUp = ((float) launcherDp.iconSizePx) / mActivity.getDeviceProfile().iconSizePx;
+        int hotseatCellSize =
+                (launcherDp.availableWidthPx - hotseatPadding.left - hotseatPadding.right)
+                        / launcherDp.numShownHotseatIcons;
+
+        int offsetY = launcherDp.getTaskbarOffsetY();
+        setter.setFloat(mTaskbarView, VIEW_TRANSLATE_Y, -offsetY, LINEAR);
+
+        int collapsedHeight = mActivity.getDeviceProfile().taskbarSize;
+        int expandedHeight = collapsedHeight + offsetY;
+        setter.addOnFrameListener(anim -> mActivity.setTaskbarWindowHeight(
+                anim.getAnimatedFraction() > 0 ? expandedHeight : collapsedHeight));
+
+        int count = mTaskbarView.getChildCount();
+        for (int i = 0; i < count; i++) {
+            View child = mTaskbarView.getChildAt(i);
+            ItemInfo info = (ItemInfo) child.getTag();
+            setter.setFloat(child, SCALE_PROPERTY, scaleUp, LINEAR);
+
+            float childCenter = (child.getLeft() + child.getRight()) / 2;
+            float hotseatIconCenter = hotseatPadding.left + hotseatCellSize * info.screenId
+                    + hotseatCellSize / 2;
+            setter.setFloat(child, VIEW_TRANSLATE_X, hotseatIconCenter - childCenter, LINEAR);
+        }
+
+        AnimatorPlaybackController controller = setter.createPlaybackController();
+        mOnControllerPreCreateCallback = () -> controller.setPlayFraction(0);
+        return controller;
+    }
+
+    /**
      * Callbacks for {@link TaskbarView} to interact with its controller.
      */
     public class TaskbarViewCallbacks {
diff --git a/quickstep/src/com/android/quickstep/AbsSwipeUpHandler.java b/quickstep/src/com/android/quickstep/AbsSwipeUpHandler.java
index 0ebaea2..82eaecd 100644
--- a/quickstep/src/com/android/quickstep/AbsSwipeUpHandler.java
+++ b/quickstep/src/com/android/quickstep/AbsSwipeUpHandler.java
@@ -1107,7 +1107,8 @@
                     mActivityRestartListener);
 
             mParallelRunningAnim = mActivityInterface.getParallelAnimationToLauncher(
-                    mGestureState.getEndTarget(), duration);
+                    mGestureState.getEndTarget(), duration,
+                    mTaskAnimationManager.getCurrentCallbacks());
             if (mParallelRunningAnim != null) {
                 mParallelRunningAnim.start();
             }
@@ -1381,11 +1382,17 @@
 
     /**
      * Cancels any running animation so that the active target can be overriden by a new swipe
-     * handle (in case of quick switch).
+     * handler (in case of quick switch).
      */
     private void cancelCurrentAnimation() {
         mCanceled = true;
         mCurrentShift.cancelAnimation();
+
+        // Cleanup when switching handlers
+        mInputConsumerProxy.unregisterCallback();
+        mActivityInitListener.unregister();
+        ActivityManagerWrapper.getInstance().unregisterTaskStackListener(mActivityRestartListener);
+        mTaskSnapshot = null;
     }
 
     private void invalidateHandler() {
diff --git a/quickstep/src/com/android/quickstep/BaseActivityInterface.java b/quickstep/src/com/android/quickstep/BaseActivityInterface.java
index a45ced4..2699b07 100644
--- a/quickstep/src/com/android/quickstep/BaseActivityInterface.java
+++ b/quickstep/src/com/android/quickstep/BaseActivityInterface.java
@@ -346,7 +346,8 @@
      * an optional additional animation with the same duration.
      */
     public @Nullable Animator getParallelAnimationToLauncher(
-            GestureState.GestureEndTarget endTarget, long duration) {
+            GestureState.GestureEndTarget endTarget, long duration,
+            RecentsAnimationCallbacks callbacks) {
         if (endTarget == RECENTS) {
             ACTIVITY_TYPE activity = getCreatedActivity();
             if (activity == null) {
diff --git a/quickstep/src/com/android/quickstep/LauncherActivityInterface.java b/quickstep/src/com/android/quickstep/LauncherActivityInterface.java
index 30abfbb..799a4c2 100644
--- a/quickstep/src/com/android/quickstep/LauncherActivityInterface.java
+++ b/quickstep/src/com/android/quickstep/LauncherActivityInterface.java
@@ -284,14 +284,15 @@
 
     @Override
     public @Nullable Animator getParallelAnimationToLauncher(GestureEndTarget endTarget,
-            long duration) {
+            long duration, RecentsAnimationCallbacks callbacks) {
         LauncherTaskbarUIController uiController = getTaskbarController();
-        Animator superAnimator = super.getParallelAnimationToLauncher(endTarget, duration);
-        if (uiController == null) {
+        Animator superAnimator = super.getParallelAnimationToLauncher(
+                endTarget, duration, callbacks);
+        if (uiController == null || callbacks == null) {
             return superAnimator;
         }
         LauncherState toState = stateFromGestureEndTarget(endTarget);
-        Animator taskbarAnimator = uiController.createAnimToLauncher(toState, duration);
+        Animator taskbarAnimator = uiController.createAnimToLauncher(toState, callbacks, duration);
         if (superAnimator == null) {
             return taskbarAnimator;
         } else {
diff --git a/quickstep/src/com/android/quickstep/TaskAnimationManager.java b/quickstep/src/com/android/quickstep/TaskAnimationManager.java
index 9731bf1..1c178ad 100644
--- a/quickstep/src/com/android/quickstep/TaskAnimationManager.java
+++ b/quickstep/src/com/android/quickstep/TaskAnimationManager.java
@@ -28,6 +28,7 @@
 import android.os.SystemProperties;
 import android.util.Log;
 
+import androidx.annotation.Nullable;
 import androidx.annotation.UiThread;
 
 import com.android.launcher3.Utilities;
@@ -261,6 +262,11 @@
         mLastAppearedTaskTarget = null;
     }
 
+    @Nullable
+    public RecentsAnimationCallbacks getCurrentCallbacks() {
+        return mCallbacks;
+    }
+
     public void dump() {
         // TODO
     }
diff --git a/quickstep/src/com/android/quickstep/views/TaskView.java b/quickstep/src/com/android/quickstep/views/TaskView.java
index 8ed6c14..8b64105 100644
--- a/quickstep/src/com/android/quickstep/views/TaskView.java
+++ b/quickstep/src/com/android/quickstep/views/TaskView.java
@@ -337,6 +337,7 @@
     private float mFullscreenProgress;
     private float mGridProgress;
     private float mNonGridScale = 1;
+    private float mDismissScale = 1;
     private final FullscreenDrawParams mCurrentFullscreenParams;
     private final StatefulActivity mActivity;
 
@@ -916,9 +917,6 @@
         if (mActivity.getDeviceProfile().isTablet && FeatureFlags.ENABLE_OVERVIEW_GRID.get()) {
             setPivotX(getLayoutDirection() == LAYOUT_DIRECTION_RTL ? 0 : right - left);
             setPivotY(mSnapshotView.getTop());
-            mSnapshotView.setPivotX(
-                    getLayoutDirection() == LAYOUT_DIRECTION_RTL ? 0 : right - left);
-            mSnapshotView.setPivotY(0);
         } else {
             setPivotX((right - left) * 0.5f);
             setPivotY(mSnapshotView.getTop() + mSnapshotView.getHeight() * 0.5f);
@@ -950,8 +948,8 @@
     }
 
     private void setSnapshotScale(float dismissScale) {
-        mSnapshotView.setScaleX(dismissScale);
-        mSnapshotView.setScaleY(dismissScale);
+        mDismissScale = dismissScale;
+        applyScale();
     }
 
     /**
@@ -969,6 +967,7 @@
     private void applyScale() {
         float scale = 1;
         scale *= getPersistentScale();
+        scale *= mDismissScale;
         setScaleX(scale);
         setScaleY(scale);
     }
diff --git a/quickstep/tests/src/com/android/quickstep/ViewInflationDuringSwipeUp.java b/quickstep/tests/src/com/android/quickstep/ViewInflationDuringSwipeUp.java
index ea7b7f5..f33abb0 100644
--- a/quickstep/tests/src/com/android/quickstep/ViewInflationDuringSwipeUp.java
+++ b/quickstep/tests/src/com/android/quickstep/ViewInflationDuringSwipeUp.java
@@ -114,6 +114,7 @@
 
     @Test
     @NavigationModeSwitch(mode = ZERO_BUTTON)
+    @Suppress // until b/190618549 is fixed
     public void testSwipeUpFromApp() throws Exception {
         try {
             // Go to overview once so that all views are initialized and cached
diff --git a/res/drawable/ic_block_no_shadow.xml b/res/drawable/ic_block_no_shadow.xml
index be9aa07..6ac61f4 100644
--- a/res/drawable/ic_block_no_shadow.xml
+++ b/res/drawable/ic_block_no_shadow.xml
@@ -16,8 +16,8 @@
 <vector xmlns:android="http://schemas.android.com/apk/res/android"
     android:width="20dp"
     android:height="20dp"
-    android:viewportHeight="20.0"
-    android:viewportWidth="20.0"
+    android:viewportHeight="24.0"
+    android:viewportWidth="24.0"
     android:tint="?android:attr/textColorPrimary">
     <path
         android:fillColor="@android:color/white"
diff --git a/res/drawable/ic_corp_off.xml b/res/drawable/ic_corp_off.xml
index 62a9787..117258e 100644
--- a/res/drawable/ic_corp_off.xml
+++ b/res/drawable/ic_corp_off.xml
@@ -1,5 +1,4 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!-- Copyright (C) 2020 The Android Open Source Project
+<?xml version="1.0" encoding="utf-8"?><!-- Copyright (C) 2020 The Android Open Source Project
 
      Licensed under the Apache License, Version 2.0 (the "License");
      you may not use this file except in compliance with the License.
@@ -16,10 +15,10 @@
 <vector xmlns:android="http://schemas.android.com/apk/res/android"
     android:width="24dp"
     android:height="24dp"
-    android:viewportWidth="24.0"
-    android:viewportHeight="24.0"
-    android:tint="?android:attr/textColorHint" >
+    android:viewportWidth="24"
+    android:viewportHeight="24"
+    android:tint="?android:attr/textColorHint">
     <path
-        android:pathData="M22 7.95c.05-1.11-.84-2-1.95-1.95H16V3.95c0-1.11-.84-2-1.95-1.95h-4C8.94 1.95 8 2.84 8 3.95v.32l14 14V7.95zM14 6h-4V4h4v2zm7.54 14.28l-7.56-7.56v.01l-1.7-1.7h.01L7.21 5.95 3.25 1.99 1.99 3.27 4.69 6h-.64c-1.11 0-1.99.86-1.99 1.97l-.01 11.02c0 1.11.89 2.01 2 2.01h15.64l2.05 2.02L23 21.75l-1.46-1.47z"
-        android:fillColor="@android:color/white"/>
+        android:fillColor="@android:color/white"
+        android:pathData="M20,6h-4L16,4c0,-1.11 -0.89,-2 -2,-2h-4c-1.11,0 -2,0.89 -2,2v1.17L10.83,8L20,8v9.17l1.98,1.98c0,-0.05 0.02,-0.1 0.02,-0.16L22,8c0,-1.11 -0.89,-2 -2,-2zM14,6h-4L10,4h4v2zM19,19L8,8 6,6 2.81,2.81 1.39,4.22 3.3,6.13C2.54,6.41 2.01,7.14 2.01,8L2,19c0,1.11 0.89,2 2,2h14.17l1.61,1.61 1.41,-1.41 -0.37,-0.37L19,19zM4,19L4,8h1.17l11,11L4,19z" />
 </vector>
\ No newline at end of file
diff --git a/res/drawable/ic_uninstall_no_shadow.xml b/res/drawable/ic_uninstall_no_shadow.xml
index 14cecac..fbabdd2 100644
--- a/res/drawable/ic_uninstall_no_shadow.xml
+++ b/res/drawable/ic_uninstall_no_shadow.xml
@@ -16,8 +16,8 @@
 <vector xmlns:android="http://schemas.android.com/apk/res/android"
         android:width="20dp"
         android:height="20dp"
-        android:viewportWidth="20.0"
-        android:viewportHeight="20.0"
+        android:viewportWidth="24.0"
+        android:viewportHeight="24.0"
         android:tint="?android:attr/textColorPrimary" >
     <path
         android:fillColor="@android:color/white"
diff --git a/res/drawable/work_card_btn.xml b/res/drawable/rounded_action_button.xml
similarity index 84%
rename from res/drawable/work_card_btn.xml
rename to res/drawable/rounded_action_button.xml
index 3c93919..0c8755f 100644
--- a/res/drawable/work_card_btn.xml
+++ b/res/drawable/rounded_action_button.xml
@@ -18,10 +18,10 @@
 <shape xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:androidprv="http://schemas.android.com/apk/prv/res/android"
     android:shape="rectangle">
-    <corners android:radius="@dimen/work_edu_card_margin" />
+    <corners android:radius="@dimen/rounded_button_radius" />
     <stroke android:width="1dp" android:color="?androidprv:attr/colorAccentPrimaryVariant" />
     <padding
-        android:left="@dimen/work_fab_radius"
-        android:right="@dimen/work_fab_radius" />
+        android:left="@dimen/rounded_button_padding"
+        android:right="@dimen/rounded_button_padding" />
 </shape>
 
diff --git a/res/layout/work_apps_edu.xml b/res/layout/work_apps_edu.xml
index ffbf962..97feb23 100644
--- a/res/layout/work_apps_edu.xml
+++ b/res/layout/work_apps_edu.xml
@@ -47,7 +47,8 @@
             android:textColor="?attr/workProfileOverlayTextColor"
             android:text="@string/work_profile_edu_accept"
             android:textAlignment="center"
-            android:background="@drawable/work_card_btn"
+            android:background="@drawable/rounded_action_button"
+
             android:textSize="14sp" />
     </LinearLayout>
 </com.android.launcher3.allapps.WorkEduCard>
\ No newline at end of file
diff --git a/res/layout/work_apps_paused.xml b/res/layout/work_apps_paused.xml
index 14dcb8c..3819256 100644
--- a/res/layout/work_apps_paused.xml
+++ b/res/layout/work_apps_paused.xml
@@ -48,6 +48,6 @@
         android:textColor="?attr/workProfileOverlayTextColor"
         android:text="@string/work_apps_enable_btn_text"
         android:textAlignment="center"
-        android:background="@drawable/work_card_btn"
+        android:background="@drawable/rounded_action_button"
         android:textSize="14sp" />
 </com.android.launcher3.allapps.WorkPausedCard>
\ No newline at end of file
diff --git a/res/layout/work_mode_fab.xml b/res/layout/work_mode_fab.xml
index 4209192..1771d37 100644
--- a/res/layout/work_mode_fab.xml
+++ b/res/layout/work_mode_fab.xml
@@ -25,7 +25,6 @@
     android:background="@drawable/work_apps_toggle_background"
     android:drawablePadding="16dp"
     android:drawableStart="@drawable/ic_corp_off"
-    android:elevation="10dp"
     android:layout_marginBottom="@dimen/work_fab_margin"
     android:layout_marginEnd="@dimen/work_fab_margin"
     android:text="@string/work_apps_pause_btn_text" />
\ No newline at end of file
diff --git a/res/values-v28/styles.xml b/res/values-v28/styles.xml
deleted file mode 100644
index 7df9ce5..0000000
--- a/res/values-v28/styles.xml
+++ /dev/null
@@ -1,23 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!--
-/*
-* Copyright (C) 2019 The Android Open Source Project
-*
-* Licensed under the Apache License, Version 2.0 (the "License");
-* you may not use this file except in compliance with the License.
-* You may obtain a copy of the License at
-*
-*      http://www.apache.org/licenses/LICENSE-2.0
-*
-* Unless required by applicable law or agreed to in writing, software
-* distributed under the License is distributed on an "AS IS" BASIS,
-* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-* See the License for the specific language governing permissions and
-* limitations under the License.
-*/
--->
-<resources>
-    <style name="TextHeadline" parent="@android:style/TextAppearance.DeviceDefault.DialogWindowTitle" >
-        <item name="android:textFontWeight">400</item>
-    </style>
-</resources>
diff --git a/res/values/config.xml b/res/values/config.xml
index 299c80e..04c359e 100644
--- a/res/values/config.xml
+++ b/res/values/config.xml
@@ -76,6 +76,9 @@
     <!-- View IDs to store item highlight information -->
     <item type="id" name="view_unhighlight_background" />
 
+    <!-- view ID used to restore work tab state -->
+    <item type="id" name="work_tab_state_id" />
+
     <!-- Menu id for feature flags -->
     <item type="id" name="menu_apply_flags" />
 
diff --git a/res/values/dimens.xml b/res/values/dimens.xml
index a94ff06..7fda1e5 100644
--- a/res/values/dimens.xml
+++ b/res/values/dimens.xml
@@ -48,7 +48,7 @@
     <dimen name="workspace_page_indicator_overlap_workspace">0dp</dimen>
 
 <!-- Drop target bar -->
-    <dimen name="dynamic_grid_drop_target_size">48dp</dimen>
+    <dimen name="dynamic_grid_drop_target_size">52dp</dimen>
     <dimen name="drop_target_vertical_gap">20dp</dimen>
 
 <!-- App Widget resize frame -->
@@ -98,7 +98,7 @@
     <dimen name="all_apps_header_tab_height">48dp</dimen>
     <dimen name="all_apps_tabs_indicator_height">2dp</dimen>
     <dimen name="all_apps_header_top_padding">36dp</dimen>
-    <dimen name="all_apps_header_bottom_padding">16dp</dimen>
+    <dimen name="all_apps_header_bottom_padding">6dp</dimen>
     <dimen name="all_apps_work_profile_tab_footer_top_padding">16dp</dimen>
     <dimen name="all_apps_work_profile_tab_footer_bottom_padding">20dp</dimen>
     <dimen name="all_apps_tabs_vertical_padding">6dp</dimen>
@@ -120,11 +120,16 @@
 <!-- Floating action button inside work tab to toggle work profile -->
     <dimen name="work_fab_height">48dp</dimen>
     <dimen name="work_fab_radius">24dp</dimen>
-    <dimen name="work_fab_margin">18dp</dimen>
+    <dimen name="work_fab_margin">16dp</dimen>
     <dimen name="work_profile_footer_padding">20dp</dimen>
     <dimen name="work_profile_footer_text_size">16sp</dimen>
     <dimen name="work_edu_card_margin">16dp</dimen>
 
+    <!-- rounded button shown inside card views, and snack bars  -->
+    <dimen name="rounded_button_height">32dp</dimen>
+    <dimen name="rounded_button_radius">16dp</dimen>
+    <dimen name="rounded_button_padding">8dp</dimen>
+
 
     <!-- Widget tray -->
     <dimen name="widget_cell_vertical_padding">8dp</dimen>
diff --git a/res/values/strings.xml b/res/values/strings.xml
index 9823df3..60c0774 100644
--- a/res/values/strings.xml
+++ b/res/values/strings.xml
@@ -190,11 +190,11 @@
     <!-- Widgets: -->
     <skip />    
 
-    <!-- Text to show user in place of a gadget when we can't display it properly -->
-    <string name="gadget_error_text">Problem loading widget</string>
+    <!-- Error text that lets a user know that the widget can't load. -->
+    <string name="gadget_error_text">Can\'t load widget</string>
 
-    <!-- Text to show user in place of a gadget when it is not yet initialized. -->
-    <string name="gadget_setup_text">Setup</string>
+    <!-- Instructional text to encourage a user to finish setting up the widget. -->
+    <string name="gadget_setup_text">Tap to finish setup</string>
 
     <!-- Text to inform the user that they can't uninstall a system application -->
     <string name="uninstall_system_app_text">This is a system app and can\'t be uninstalled.</string>
diff --git a/res/values/styles.xml b/res/values/styles.xml
index 38bc272..8072d0c 100644
--- a/res/values/styles.xml
+++ b/res/values/styles.xml
@@ -214,7 +214,9 @@
         <item name="disabledIconAlpha">.54</item>
     </style>
 
-    <style name="BaseIconUnBounded" parent="@android:style/TextAppearance.DeviceDefault.DialogWindowTitle">
+    <style name="BaseIconRoot" parent="@android:style/TextAppearance.DeviceDefault.DialogWindowTitle"/>
+
+    <style name="BaseIconUnBounded" parent="BaseIconRoot">
         <item name="android:layout_width">match_parent</item>
         <item name="android:layout_height">match_parent</item>
         <item name="android:layout_gravity">center</item>
@@ -264,9 +266,8 @@
 
     <!-- Drop targets -->
     <style name="DropTargetButtonBase" parent="@android:style/TextAppearance.DeviceDefault">
-        <item name="android:drawablePadding">7.5dp</item>
-        <item name="android:paddingLeft">16dp</item>
-        <item name="android:paddingRight">16dp</item>
+        <item name="android:drawablePadding">8dp</item>
+        <item name="android:padding">16dp</item>
         <item name="android:textColor">?android:attr/textColorPrimary</item>
         <item name="android:textSize">@dimen/drop_target_text_size</item>
         <item name="android:singleLine">true</item>
@@ -276,7 +277,7 @@
 
     <style name="DropTargetButton" parent="DropTargetButtonBase" />
 
-    <style name="TextHeadline" parent="@android:style/TextAppearance.DeviceDefault" />
+    <style name="TextHeadline" parent="@android:style/TextAppearance.DeviceDefault.DialogWindowTitle" />
 
     <style name="PrimaryHeadline" parent="@android:style/TextAppearance.DeviceDefault.DialogWindowTitle"/>
 
diff --git a/robolectric_tests/src/com/android/launcher3/widget/CachingWidgetPreviewLoaderTest.java b/robolectric_tests/src/com/android/launcher3/widget/CachingWidgetPreviewLoaderTest.java
new file mode 100644
index 0000000..c18e26c
--- /dev/null
+++ b/robolectric_tests/src/com/android/launcher3/widget/CachingWidgetPreviewLoaderTest.java
@@ -0,0 +1,409 @@
+/*
+ * Copyright (C) 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.android.launcher3.widget;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.ArgumentMatchers.eq;
+import static org.mockito.Mockito.reset;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.verifyZeroInteractions;
+import static org.mockito.Mockito.when;
+
+import android.content.ComponentName;
+import android.graphics.Bitmap;
+import android.os.CancellationSignal;
+import android.os.UserHandle;
+import android.util.Size;
+
+import com.android.launcher3.DeviceProfile;
+import com.android.launcher3.InvariantDeviceProfile;
+import com.android.launcher3.icons.IconCache;
+import com.android.launcher3.model.WidgetItem;
+import com.android.launcher3.testing.TestActivity;
+import com.android.launcher3.widget.WidgetPreviewLoader.WidgetPreviewLoadedCallback;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.ArgumentCaptor;
+import org.mockito.Captor;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+import org.robolectric.Robolectric;
+import org.robolectric.RobolectricTestRunner;
+
+import java.util.Arrays;
+import java.util.Collections;
+
+@RunWith(RobolectricTestRunner.class)
+public class CachingWidgetPreviewLoaderTest {
+    private static final Size SIZE_10_10 = new Size(10, 10);
+    private static final Size SIZE_20_20 = new Size(20, 20);
+    private static final String TEST_PACKAGE = "com.example.test";
+    private static final ComponentName TEST_PROVIDER =
+            new ComponentName(TEST_PACKAGE, ".WidgetProvider");
+    private static final ComponentName TEST_PROVIDER2 =
+            new ComponentName(TEST_PACKAGE, ".WidgetProvider2");
+    private static final Bitmap BITMAP = Bitmap.createBitmap(10, 10, Bitmap.Config.ARGB_8888);
+    private static final Bitmap BITMAP2 = Bitmap.createBitmap(20, 20, Bitmap.Config.ARGB_8888);
+
+
+    @Mock private CancellationSignal mCancellationSignal;
+    @Mock private WidgetPreviewLoader mDelegate;
+    @Mock private IconCache mIconCache;
+    @Mock private DeviceProfile mDeviceProfile;
+    @Mock private LauncherAppWidgetProviderInfo mProviderInfo;
+    @Mock private LauncherAppWidgetProviderInfo mProviderInfo2;
+    @Mock private WidgetPreviewLoadedCallback mPreviewLoadedCallback;
+    @Mock private WidgetPreviewLoadedCallback mPreviewLoadedCallback2;
+    @Captor private ArgumentCaptor<WidgetPreviewLoadedCallback> mCallbackCaptor;
+
+    private TestActivity mTestActivity;
+    private CachingWidgetPreviewLoader mLoader;
+    private WidgetItem mWidgetItem;
+    private WidgetItem mWidgetItem2;
+
+    @Before
+    public void setUp() {
+        MockitoAnnotations.initMocks(this);
+        mLoader = new CachingWidgetPreviewLoader(mDelegate);
+
+        mTestActivity = Robolectric.buildActivity(TestActivity.class).setup().get();
+        mTestActivity.setDeviceProfile(mDeviceProfile);
+
+        when(mDelegate.loadPreview(any(), any(), any(), any())).thenReturn(mCancellationSignal);
+
+        mProviderInfo.provider = TEST_PROVIDER;
+        when(mProviderInfo.getProfile()).thenReturn(new UserHandle(0));
+
+        mProviderInfo2.provider = TEST_PROVIDER2;
+        when(mProviderInfo2.getProfile()).thenReturn(new UserHandle(0));
+
+        InvariantDeviceProfile testProfile = new InvariantDeviceProfile();
+        testProfile.numRows = 5;
+        testProfile.numColumns = 5;
+
+        mWidgetItem = new WidgetItem(mProviderInfo, testProfile, mIconCache);
+        mWidgetItem2 = new WidgetItem(mProviderInfo2, testProfile, mIconCache);
+    }
+
+    @Test
+    public void getPreview_notInCache_shouldReturnNull() {
+        assertThat(mLoader.getPreview(mWidgetItem, SIZE_10_10)).isNull();
+    }
+
+    @Test
+    public void getPreview_notInCache_shouldNotCallDelegate() {
+        mLoader.getPreview(mWidgetItem, SIZE_10_10);
+
+        verifyZeroInteractions(mDelegate);
+    }
+
+    @Test
+    public void getPreview_inCache_shouldReturnCachedBitmap() {
+        loadPreviewIntoCache(mWidgetItem, SIZE_10_10, BITMAP);
+
+        assertThat(mLoader.getPreview(mWidgetItem, SIZE_10_10)).isEqualTo(BITMAP);
+    }
+
+    @Test
+    public void getPreview_otherSizeInCache_shouldReturnNull() {
+        loadPreviewIntoCache(mWidgetItem, SIZE_10_10, BITMAP);
+
+        assertThat(mLoader.getPreview(mWidgetItem, SIZE_20_20)).isNull();
+    }
+
+    @Test
+    public void getPreview_otherItemInCache_shouldReturnNull() {
+        loadPreviewIntoCache(mWidgetItem, SIZE_10_10, BITMAP);
+
+        assertThat(mLoader.getPreview(mWidgetItem2, SIZE_10_10)).isNull();
+    }
+
+    @Test
+    public void getPreview_shouldStoreMultipleSizesPerItem() {
+        loadPreviewIntoCache(mWidgetItem, SIZE_10_10, BITMAP);
+        loadPreviewIntoCache(mWidgetItem, SIZE_20_20, BITMAP2);
+
+        assertThat(mLoader.getPreview(mWidgetItem, SIZE_10_10)).isEqualTo(BITMAP);
+        assertThat(mLoader.getPreview(mWidgetItem, SIZE_20_20)).isEqualTo(BITMAP2);
+    }
+
+    @Test
+    public void loadPreview_notInCache_shouldStartLoading() {
+        mLoader.loadPreview(mTestActivity, mWidgetItem, SIZE_10_10, mPreviewLoadedCallback);
+
+        verify(mDelegate).loadPreview(eq(mTestActivity), eq(mWidgetItem), eq(SIZE_10_10), any());
+        verifyZeroInteractions(mPreviewLoadedCallback);
+    }
+
+    @Test
+    public void loadPreview_thenLoaded_shouldCallBack() {
+        mLoader.loadPreview(mTestActivity, mWidgetItem, SIZE_10_10, mPreviewLoadedCallback);
+        verify(mDelegate).loadPreview(any(), any(), any(), mCallbackCaptor.capture());
+        WidgetPreviewLoadedCallback loaderCallback = mCallbackCaptor.getValue();
+
+        loaderCallback.onPreviewLoaded(BITMAP);
+
+        verify(mPreviewLoadedCallback).onPreviewLoaded(BITMAP);
+    }
+
+    @Test
+    public void loadPreview_thenCancelled_shouldCancelDelegateRequest() {
+        CancellationSignal cancellationSignal =
+                mLoader.loadPreview(mTestActivity, mWidgetItem, SIZE_10_10, mPreviewLoadedCallback);
+
+        cancellationSignal.cancel();
+
+        verify(mCancellationSignal).cancel();
+        verifyZeroInteractions(mPreviewLoadedCallback);
+        assertThat(mLoader.getPreview(mWidgetItem, SIZE_10_10)).isNull();
+    }
+
+    @Test
+    public void loadPreview_thenCancelled_otherCallListening_shouldNotCancelDelegateRequest() {
+        CancellationSignal cancellationSignal1 =
+                mLoader.loadPreview(mTestActivity, mWidgetItem, SIZE_10_10, mPreviewLoadedCallback);
+        mLoader.loadPreview(mTestActivity, mWidgetItem, SIZE_10_10, mPreviewLoadedCallback2);
+
+        cancellationSignal1.cancel();
+
+        verifyZeroInteractions(mCancellationSignal);
+    }
+
+    @Test
+    public void loadPreview_thenCancelled_otherCallListening_loaded_shouldCallBackToNonCancelled() {
+        CancellationSignal cancellationSignal1 =
+                mLoader.loadPreview(mTestActivity, mWidgetItem, SIZE_10_10, mPreviewLoadedCallback);
+        mLoader.loadPreview(mTestActivity, mWidgetItem, SIZE_10_10, mPreviewLoadedCallback2);
+        verify(mDelegate).loadPreview(any(), any(), any(), mCallbackCaptor.capture());
+        WidgetPreviewLoadedCallback loaderCallback = mCallbackCaptor.getValue();
+
+        cancellationSignal1.cancel();
+        loaderCallback.onPreviewLoaded(BITMAP);
+
+        verifyZeroInteractions(mPreviewLoadedCallback);
+        verify(mPreviewLoadedCallback2).onPreviewLoaded(BITMAP);
+        assertThat(mLoader.getPreview(mWidgetItem, SIZE_10_10)).isEqualTo(BITMAP);
+    }
+
+    @Test
+    public void loadPreview_thenCancelled_bothCallsCancelled_shouldCancelDelegateRequest() {
+        CancellationSignal cancellationSignal1 =
+                mLoader.loadPreview(mTestActivity, mWidgetItem, SIZE_10_10, mPreviewLoadedCallback);
+        CancellationSignal cancellationSignal2 =
+                mLoader.loadPreview(
+                        mTestActivity, mWidgetItem, SIZE_10_10, mPreviewLoadedCallback2);
+
+        cancellationSignal1.cancel();
+        cancellationSignal2.cancel();
+
+        verify(mCancellationSignal).cancel();
+        verifyZeroInteractions(mPreviewLoadedCallback);
+        verifyZeroInteractions(mPreviewLoadedCallback2);
+        assertThat(mLoader.getPreview(mWidgetItem, SIZE_10_10)).isNull();
+    }
+
+    @Test
+    public void loadPreview_multipleCallbacks_shouldOnlyCallDelegateOnce() {
+        mLoader.loadPreview(mTestActivity, mWidgetItem, SIZE_10_10, mPreviewLoadedCallback);
+        mLoader.loadPreview(mTestActivity, mWidgetItem, SIZE_10_10, mPreviewLoadedCallback2);
+
+        verify(mDelegate).loadPreview(any(), any(), any(), any());
+    }
+
+    @Test
+    public void loadPreview_multipleCallbacks_shouldForwardResultToEachCallback() {
+        mLoader.loadPreview(mTestActivity, mWidgetItem, SIZE_10_10, mPreviewLoadedCallback);
+        mLoader.loadPreview(mTestActivity, mWidgetItem, SIZE_10_10, mPreviewLoadedCallback2);
+
+        verify(mDelegate).loadPreview(any(), any(), any(), mCallbackCaptor.capture());
+        WidgetPreviewLoadedCallback loaderCallback = mCallbackCaptor.getValue();
+
+        loaderCallback.onPreviewLoaded(BITMAP);
+
+        verify(mPreviewLoadedCallback).onPreviewLoaded(BITMAP);
+        verify(mPreviewLoadedCallback2).onPreviewLoaded(BITMAP);
+    }
+
+    @Test
+    public void loadPreview_inCache_shouldCallBackImmediately() {
+        loadPreviewIntoCache(mWidgetItem, SIZE_10_10, BITMAP);
+        reset(mDelegate);
+
+        mLoader.loadPreview(mTestActivity, mWidgetItem, SIZE_10_10, mPreviewLoadedCallback);
+
+        verify(mPreviewLoadedCallback).onPreviewLoaded(BITMAP);
+        verifyZeroInteractions(mDelegate);
+    }
+
+    @Test
+    public void loadPreview_thenLoaded_thenCancelled_shouldNotRemovePreviewFromCache() {
+        CancellationSignal cancellationSignal =
+                mLoader.loadPreview(mTestActivity, mWidgetItem, SIZE_10_10, mPreviewLoadedCallback);
+        verify(mDelegate).loadPreview(any(), any(), any(), mCallbackCaptor.capture());
+        WidgetPreviewLoadedCallback loaderCallback = mCallbackCaptor.getValue();
+        loaderCallback.onPreviewLoaded(BITMAP);
+
+        cancellationSignal.cancel();
+
+        assertThat(mLoader.getPreview(mWidgetItem, SIZE_10_10)).isEqualTo(BITMAP);
+    }
+
+    @Test
+    public void isPreviewLoaded_notLoaded_shouldReturnFalse() {
+        assertThat(mLoader.isPreviewLoaded(mWidgetItem, SIZE_10_10)).isFalse();
+    }
+
+    @Test
+    public void isPreviewLoaded_otherSizeLoaded_shouldReturnFalse() {
+        loadPreviewIntoCache(mWidgetItem, SIZE_20_20, BITMAP);
+
+        assertThat(mLoader.isPreviewLoaded(mWidgetItem, SIZE_10_10)).isFalse();
+    }
+
+    @Test
+    public void isPreviewLoaded_otherItemLoaded_shouldReturnFalse() {
+        loadPreviewIntoCache(mWidgetItem2, SIZE_10_10, BITMAP);
+
+        assertThat(mLoader.isPreviewLoaded(mWidgetItem, SIZE_10_10)).isFalse();
+    }
+
+    @Test
+    public void isPreviewLoaded_loaded_shouldReturnTrue() {
+        loadPreviewIntoCache(mWidgetItem, SIZE_10_10, BITMAP);
+
+        assertThat(mLoader.isPreviewLoaded(mWidgetItem, SIZE_10_10)).isTrue();
+    }
+
+    @Test
+    public void clearPreviews_notInCache_shouldBeNoOp() {
+        mLoader.clearPreviews(Collections.singletonList(mWidgetItem));
+
+        assertThat(mLoader.isPreviewLoaded(mWidgetItem, SIZE_10_10)).isFalse();
+    }
+
+    @Test
+    public void clearPreviews_inCache_shouldRemovePreview() {
+        loadPreviewIntoCache(mWidgetItem, SIZE_10_10, BITMAP);
+
+        mLoader.clearPreviews(Collections.singletonList(mWidgetItem));
+
+        assertThat(mLoader.isPreviewLoaded(mWidgetItem, SIZE_10_10)).isFalse();
+    }
+
+    @Test
+    public void clearPreviews_inCache_multipleSizes_shouldRemoveAllSizes() {
+        loadPreviewIntoCache(mWidgetItem, SIZE_10_10, BITMAP);
+        loadPreviewIntoCache(mWidgetItem, SIZE_20_20, BITMAP);
+
+        mLoader.clearPreviews(Collections.singletonList(mWidgetItem));
+
+        assertThat(mLoader.isPreviewLoaded(mWidgetItem, SIZE_10_10)).isFalse();
+        assertThat(mLoader.isPreviewLoaded(mWidgetItem, SIZE_20_20)).isFalse();
+    }
+
+    @Test
+    public void clearPreviews_inCache_otherItems_shouldOnlyRemoveSpecifiedItems() {
+        loadPreviewIntoCache(mWidgetItem, SIZE_10_10, BITMAP);
+        loadPreviewIntoCache(mWidgetItem2, SIZE_10_10, BITMAP);
+
+        mLoader.clearPreviews(Collections.singletonList(mWidgetItem));
+
+        assertThat(mLoader.isPreviewLoaded(mWidgetItem, SIZE_10_10)).isFalse();
+        assertThat(mLoader.isPreviewLoaded(mWidgetItem2, SIZE_10_10)).isTrue();
+    }
+
+    @Test
+    public void clearPreviews_inCache_otherItems_shouldRemoveAllSpecifiedItems() {
+        loadPreviewIntoCache(mWidgetItem, SIZE_10_10, BITMAP);
+        loadPreviewIntoCache(mWidgetItem2, SIZE_10_10, BITMAP);
+
+        mLoader.clearPreviews(Arrays.asList(mWidgetItem, mWidgetItem2));
+
+        assertThat(mLoader.isPreviewLoaded(mWidgetItem, SIZE_10_10)).isFalse();
+        assertThat(mLoader.isPreviewLoaded(mWidgetItem2, SIZE_10_10)).isFalse();
+    }
+
+    @Test
+    public void clearPreviews_loading_shouldCancelLoad() {
+        mLoader.loadPreview(mTestActivity, mWidgetItem, SIZE_10_10, mPreviewLoadedCallback);
+
+        mLoader.clearPreviews(Collections.singletonList(mWidgetItem));
+
+        verify(mCancellationSignal).cancel();
+    }
+
+    @Test
+    public void clearAll_cacheEmpty_shouldBeNoOp() {
+        mLoader.clearAll();
+
+        assertThat(mLoader.isPreviewLoaded(mWidgetItem, SIZE_10_10)).isFalse();
+    }
+
+    @Test
+    public void clearAll_inCache_shouldRemovePreview() {
+        loadPreviewIntoCache(mWidgetItem, SIZE_10_10, BITMAP);
+
+        mLoader.clearAll();
+
+        assertThat(mLoader.isPreviewLoaded(mWidgetItem, SIZE_10_10)).isFalse();
+    }
+
+    @Test
+    public void clearAll_inCache_multipleSizes_shouldRemoveAllSizes() {
+        loadPreviewIntoCache(mWidgetItem, SIZE_10_10, BITMAP);
+        loadPreviewIntoCache(mWidgetItem, SIZE_20_20, BITMAP);
+
+        mLoader.clearAll();
+
+        assertThat(mLoader.isPreviewLoaded(mWidgetItem, SIZE_10_10)).isFalse();
+        assertThat(mLoader.isPreviewLoaded(mWidgetItem, SIZE_20_20)).isFalse();
+    }
+
+    @Test
+    public void clearAll_inCache_multipleItems_shouldRemoveAll() {
+        loadPreviewIntoCache(mWidgetItem, SIZE_10_10, BITMAP);
+        loadPreviewIntoCache(mWidgetItem, SIZE_20_20, BITMAP);
+        loadPreviewIntoCache(mWidgetItem2, SIZE_20_20, BITMAP);
+
+        mLoader.clearAll();
+
+        assertThat(mLoader.isPreviewLoaded(mWidgetItem, SIZE_10_10)).isFalse();
+        assertThat(mLoader.isPreviewLoaded(mWidgetItem, SIZE_20_20)).isFalse();
+        assertThat(mLoader.isPreviewLoaded(mWidgetItem2, SIZE_20_20)).isFalse();
+    }
+
+    @Test
+    public void clearAll_loading_shouldCancelLoad() {
+        mLoader.loadPreview(mTestActivity, mWidgetItem, SIZE_10_10, mPreviewLoadedCallback);
+
+        mLoader.clearAll();
+
+        verify(mCancellationSignal).cancel();
+    }
+
+    private void loadPreviewIntoCache(WidgetItem widgetItem, Size size, Bitmap bitmap) {
+        reset(mDelegate);
+        mLoader.loadPreview(mTestActivity, widgetItem, size, ignored -> {});
+        verify(mDelegate).loadPreview(any(), any(), any(), mCallbackCaptor.capture());
+        WidgetPreviewLoadedCallback loaderCallback = mCallbackCaptor.getValue();
+
+        loaderCallback.onPreviewLoaded(bitmap);
+    }
+}
diff --git a/robolectric_tests/src/com/android/launcher3/widget/LauncherAppWidgetProviderInfoTest.java b/robolectric_tests/src/com/android/launcher3/widget/LauncherAppWidgetProviderInfoTest.java
index c7286e5..2d87957 100644
--- a/robolectric_tests/src/com/android/launcher3/widget/LauncherAppWidgetProviderInfoTest.java
+++ b/robolectric_tests/src/com/android/launcher3/widget/LauncherAppWidgetProviderInfoTest.java
@@ -36,6 +36,10 @@
 import org.robolectric.RobolectricTestRunner;
 import org.robolectric.RuntimeEnvironment;
 
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+
 @RunWith(RobolectricTestRunner.class)
 public final class LauncherAppWidgetProviderInfoTest {
 
@@ -234,10 +238,11 @@
         Mockito.when(profile.getCellSize()).thenReturn(new Point(CELL_SIZE, CELL_SIZE));
 
         InvariantDeviceProfile idp = new InvariantDeviceProfile();
-        idp.supportedProfiles.add(profile);
+        List<DeviceProfile> supportedProfiles = new ArrayList<>(idp.supportedProfiles);
+        supportedProfiles.add(profile);
+        idp.supportedProfiles = Collections.unmodifiableList(supportedProfiles);
         idp.numColumns = NUM_OF_COLS;
         idp.numRows = NUM_OF_ROWS;
         return idp;
     }
-
 }
diff --git a/robolectric_tests/src/com/android/launcher3/widget/picker/WidgetsDiffReporterTest.java b/robolectric_tests/src/com/android/launcher3/widget/picker/WidgetsDiffReporterTest.java
index cc36f63..c946c72 100644
--- a/robolectric_tests/src/com/android/launcher3/widget/picker/WidgetsDiffReporterTest.java
+++ b/robolectric_tests/src/com/android/launcher3/widget/picker/WidgetsDiffReporterTest.java
@@ -207,10 +207,9 @@
         // GIVEN the current list has app headers [A, B, E content].
         ArrayList<WidgetsListBaseEntry> currentList = new ArrayList<>(
                 List.of(mHeaderA, mHeaderB, mContentE));
-        // GIVEN the new list has app headers [A, B, E content].
-        List<WidgetsListBaseEntry> newList = List.of(mHeaderA, mHeaderB, mContentE);
-        // GIVEN the user has interacted with B.
-        mHeaderB.setIsWidgetListShown(true);
+        // GIVEN the new list has app headers [A, B, E content] and the user has interacted with B.
+        List<WidgetsListBaseEntry> newList =
+                List.of(mHeaderA, mHeaderB.withWidgetListShown(), mContentE);
 
         // WHEN computing the list difference.
         mWidgetsDiffReporter.process(currentList, newList, COMPARATOR);
diff --git a/robolectric_tests/src/com/android/launcher3/widget/picker/WidgetsListAdapterTest.java b/robolectric_tests/src/com/android/launcher3/widget/picker/WidgetsListAdapterTest.java
index e1214ff..c730fc0 100644
--- a/robolectric_tests/src/com/android/launcher3/widget/picker/WidgetsListAdapterTest.java
+++ b/robolectric_tests/src/com/android/launcher3/widget/picker/WidgetsListAdapterTest.java
@@ -33,13 +33,13 @@
 import androidx.recyclerview.widget.RecyclerView;
 
 import com.android.launcher3.InvariantDeviceProfile;
-import com.android.launcher3.WidgetPreviewLoader;
 import com.android.launcher3.icons.BitmapInfo;
 import com.android.launcher3.icons.ComponentWithLabel;
 import com.android.launcher3.icons.IconCache;
 import com.android.launcher3.model.WidgetItem;
 import com.android.launcher3.model.data.PackageItemInfo;
 import com.android.launcher3.util.PackageUserKey;
+import com.android.launcher3.widget.DatabaseWidgetPreviewLoader;
 import com.android.launcher3.widget.LauncherAppWidgetProviderInfo;
 import com.android.launcher3.widget.model.WidgetsListBaseEntry;
 import com.android.launcher3.widget.model.WidgetsListContentEntry;
@@ -64,7 +64,7 @@
     private static final String TEST_PACKAGE_PLACEHOLDER = "com.google.test";
 
     @Mock private LayoutInflater mMockLayoutInflater;
-    @Mock private WidgetPreviewLoader mMockWidgetCache;
+    @Mock private DatabaseWidgetPreviewLoader mMockWidgetCache;
     @Mock private RecyclerView.AdapterDataObserver mListener;
     @Mock private IconCache mIconCache;
 
diff --git a/robolectric_tests/src/com/android/launcher3/widget/picker/WidgetsListHeaderViewHolderBinderTest.java b/robolectric_tests/src/com/android/launcher3/widget/picker/WidgetsListHeaderViewHolderBinderTest.java
index 4e2a508..81b0c5f 100644
--- a/robolectric_tests/src/com/android/launcher3/widget/picker/WidgetsListHeaderViewHolderBinderTest.java
+++ b/robolectric_tests/src/com/android/launcher3/widget/picker/WidgetsListHeaderViewHolderBinderTest.java
@@ -34,7 +34,6 @@
 import com.android.launcher3.DeviceProfile;
 import com.android.launcher3.InvariantDeviceProfile;
 import com.android.launcher3.R;
-import com.android.launcher3.WidgetPreviewLoader;
 import com.android.launcher3.icons.BitmapInfo;
 import com.android.launcher3.icons.ComponentWithLabel;
 import com.android.launcher3.icons.IconCache;
@@ -42,6 +41,7 @@
 import com.android.launcher3.model.data.PackageItemInfo;
 import com.android.launcher3.testing.TestActivity;
 import com.android.launcher3.util.PackageUserKey;
+import com.android.launcher3.widget.DatabaseWidgetPreviewLoader;
 import com.android.launcher3.widget.LauncherAppWidgetProviderInfo;
 import com.android.launcher3.widget.model.WidgetsListHeaderEntry;
 
@@ -79,7 +79,7 @@
     @Mock
     private DeviceProfile mDeviceProfile;
     @Mock
-    private WidgetPreviewLoader mWidgetPreviewLoader;
+    private DatabaseWidgetPreviewLoader mWidgetPreviewLoader;
     @Mock
     private OnHeaderClickListener mOnHeaderClickListener;
 
diff --git a/robolectric_tests/src/com/android/launcher3/widget/picker/WidgetsListSearchHeaderViewHolderBinderTest.java b/robolectric_tests/src/com/android/launcher3/widget/picker/WidgetsListSearchHeaderViewHolderBinderTest.java
index d6aea55..a0ba7c3 100644
--- a/robolectric_tests/src/com/android/launcher3/widget/picker/WidgetsListSearchHeaderViewHolderBinderTest.java
+++ b/robolectric_tests/src/com/android/launcher3/widget/picker/WidgetsListSearchHeaderViewHolderBinderTest.java
@@ -34,7 +34,6 @@
 import com.android.launcher3.DeviceProfile;
 import com.android.launcher3.InvariantDeviceProfile;
 import com.android.launcher3.R;
-import com.android.launcher3.WidgetPreviewLoader;
 import com.android.launcher3.icons.BitmapInfo;
 import com.android.launcher3.icons.ComponentWithLabel;
 import com.android.launcher3.icons.IconCache;
@@ -42,6 +41,7 @@
 import com.android.launcher3.model.data.PackageItemInfo;
 import com.android.launcher3.testing.TestActivity;
 import com.android.launcher3.util.PackageUserKey;
+import com.android.launcher3.widget.DatabaseWidgetPreviewLoader;
 import com.android.launcher3.widget.LauncherAppWidgetProviderInfo;
 import com.android.launcher3.widget.model.WidgetsListSearchHeaderEntry;
 
@@ -79,7 +79,7 @@
     @Mock
     private DeviceProfile mDeviceProfile;
     @Mock
-    private WidgetPreviewLoader mWidgetPreviewLoader;
+    private DatabaseWidgetPreviewLoader mWidgetPreviewLoader;
     @Mock
     private OnHeaderClickListener mOnHeaderClickListener;
 
diff --git a/robolectric_tests/src/com/android/launcher3/widget/picker/WidgetsListTableViewHolderBinderTest.java b/robolectric_tests/src/com/android/launcher3/widget/picker/WidgetsListTableViewHolderBinderTest.java
index 2f1326f..8f9d132 100644
--- a/robolectric_tests/src/com/android/launcher3/widget/picker/WidgetsListTableViewHolderBinderTest.java
+++ b/robolectric_tests/src/com/android/launcher3/widget/picker/WidgetsListTableViewHolderBinderTest.java
@@ -38,13 +38,14 @@
 import com.android.launcher3.DeviceProfile;
 import com.android.launcher3.InvariantDeviceProfile;
 import com.android.launcher3.R;
-import com.android.launcher3.WidgetPreviewLoader;
 import com.android.launcher3.icons.BitmapInfo;
 import com.android.launcher3.icons.ComponentWithLabel;
 import com.android.launcher3.icons.IconCache;
 import com.android.launcher3.model.WidgetItem;
 import com.android.launcher3.model.data.PackageItemInfo;
 import com.android.launcher3.testing.TestActivity;
+import com.android.launcher3.widget.CachingWidgetPreviewLoader;
+import com.android.launcher3.widget.DatabaseWidgetPreviewLoader;
 import com.android.launcher3.widget.LauncherAppWidgetProviderInfo;
 import com.android.launcher3.widget.WidgetCell;
 import com.android.launcher3.widget.model.WidgetsListContentEntry;
@@ -85,7 +86,7 @@
     @Mock
     private IconCache mIconCache;
     @Mock
-    private WidgetPreviewLoader mWidgetPreviewLoader;
+    private DatabaseWidgetPreviewLoader mWidgetPreviewLoader;
     @Mock
     private DeviceProfile mDeviceProfile;
 
@@ -113,11 +114,10 @@
                 /* iconClickListener= */ view -> {},
                 /* iconLongClickListener= */ view -> false);
         mViewHolderBinder = new WidgetsListTableViewHolderBinder(
-                mContext,
                 LayoutInflater.from(mTestActivity),
                 mOnIconClickListener,
                 mOnLongClickListener,
-                mWidgetPreviewLoader,
+                new CachingWidgetPreviewLoader(mWidgetPreviewLoader),
                 new WidgetsListDrawableFactory(mTestActivity),
                 widgetsListAdapter);
     }
diff --git a/src/com/android/launcher3/ButtonDropTarget.java b/src/com/android/launcher3/ButtonDropTarget.java
index 7db34a5..13d5570 100644
--- a/src/com/android/launcher3/ButtonDropTarget.java
+++ b/src/com/android/launcher3/ButtonDropTarget.java
@@ -36,8 +36,6 @@
 import android.widget.PopupWindow;
 import android.widget.TextView;
 
-import androidx.appcompat.content.res.AppCompatResources;
-
 import com.android.launcher3.anim.Interpolators;
 import com.android.launcher3.dragndrop.DragController;
 import com.android.launcher3.dragndrop.DragLayer;
@@ -82,6 +80,8 @@
     private boolean mAccessibleDrag;
     /** An item must be dragged at least this many pixels before this drop target is enabled. */
     private final int mDragDistanceThreshold;
+    /** The size of the drawable shown in the drop target. */
+    private final int mDrawableSize;
 
     protected CharSequence mText;
     protected ColorStateList mOriginalTextColor;
@@ -103,6 +103,7 @@
 
         Resources resources = getResources();
         mDragDistanceThreshold = resources.getDimensionPixelSize(R.dimen.drag_distanceThreshold);
+        mDrawableSize = resources.getDimensionPixelSize(R.dimen.drop_target_text_size);
     }
 
     @Override
@@ -122,13 +123,9 @@
     protected void setDrawable(int resId) {
         // We do not set the drawable in the xml as that inflates two drawables corresponding to
         // drawableLeft and drawableStart.
-        if (mTextVisible) {
-            setCompoundDrawablesRelativeWithIntrinsicBounds(resId, 0, 0, 0);
-            mDrawable = getCompoundDrawablesRelative()[0];
-        } else {
-            setCompoundDrawablesRelativeWithIntrinsicBounds(0, resId, 0, 0);
-            mDrawable = getCompoundDrawablesRelative()[1];
-        }
+        mDrawable = getContext().getDrawable(resId).mutate();
+        mDrawable.setBounds(0, 0, mDrawableSize, mDrawableSize);
+        setCompoundDrawablesRelative(mDrawable, null, null, null);
     }
 
     public void setDropTargetBar(DropTargetBar dropTargetBar) {
@@ -238,11 +235,8 @@
             return;
         }
         final DragLayer dragLayer = mLauncher.getDragLayer();
-        final Rect from = new Rect();
-        dragLayer.getViewRectRelativeToSelf(d.dragView, from);
-
         final Rect to = getIconRect(d);
-        final float scale = (float) to.width() / from.width();
+        final float scale = (float) to.width() / d.dragView.getMeasuredWidth();
         d.dragView.detachContentView(/* reattachToPreviousParent= */ true);
         mDropTargetBar.deferOnDragEnd();
 
@@ -252,9 +246,9 @@
             mLauncher.getStateManager().goToState(NORMAL);
         };
 
-        dragLayer.animateView(d.dragView, from, to, scale, 1f, 1f, 0.1f, 0.1f,
+        dragLayer.animateView(d.dragView, to, scale, 0.1f, 0.1f,
                 DRAG_VIEW_DROP_DURATION,
-                Interpolators.DEACCEL_2, Interpolators.LINEAR, onAnimationEndRunnable,
+                Interpolators.DEACCEL_2, onAnimationEndRunnable,
                 DragLayer.ANIMATION_END_DISAPPEAR, null);
     }
 
@@ -329,11 +323,7 @@
         if (mTextVisible != isVisible || !TextUtils.equals(newText, getText())) {
             mTextVisible = isVisible;
             setText(newText);
-            if (mTextVisible) {
-                setCompoundDrawablesRelativeWithIntrinsicBounds(mDrawable, null, null, null);
-            } else {
-                setCompoundDrawablesRelativeWithIntrinsicBounds(null, mDrawable, null, null);
-            }
+            setCompoundDrawablesRelative(mDrawable, null, null, null);
         }
     }
 
diff --git a/src/com/android/launcher3/InvariantDeviceProfile.java b/src/com/android/launcher3/InvariantDeviceProfile.java
index 115d3ae..a2bd201 100644
--- a/src/com/android/launcher3/InvariantDeviceProfile.java
+++ b/src/com/android/launcher3/InvariantDeviceProfile.java
@@ -138,7 +138,10 @@
     public int defaultLayoutId;
     int demoModeLayoutId;
 
-    public final List<DeviceProfile> supportedProfiles = new ArrayList<>();
+    /**
+     * An immutable list of supported profiles.
+     */
+    public List<DeviceProfile> supportedProfiles = Collections.EMPTY_LIST;
 
     @Nullable public DevicePaddings devicePaddings;
 
@@ -313,10 +316,10 @@
         // Supported overrides: numRows, numColumns, iconSize
         applyPartnerDeviceProfileOverrides(context, metrics);
 
-        supportedProfiles.clear();
+        final List<DeviceProfile> localSupportedProfiles = new ArrayList<>();
         defaultWallpaperSize = new Point(displayInfo.currentSize);
         for (WindowBounds bounds : displayInfo.supportedBounds) {
-            supportedProfiles.add(new DeviceProfile.Builder(context, this, displayInfo)
+            localSupportedProfiles.add(new DeviceProfile.Builder(context, this, displayInfo)
                     .setUseTwoPanels(isSplitDisplay)
                     .setWindowBounds(bounds).build());
 
@@ -334,6 +337,7 @@
             defaultWallpaperSize.x =
                     Math.max(defaultWallpaperSize.x, Math.round(parallaxFactor * displayWidth));
         }
+        supportedProfiles = Collections.unmodifiableList(localSupportedProfiles);
 
         ComponentName cn = new ComponentName(context.getPackageName(), getClass().getName());
         defaultWidgetPadding = AppWidgetHostView.getDefaultPaddingForWidget(context, cn, null);
diff --git a/src/com/android/launcher3/LauncherAppState.java b/src/com/android/launcher3/LauncherAppState.java
index b3d096c..3d6be69 100644
--- a/src/com/android/launcher3/LauncherAppState.java
+++ b/src/com/android/launcher3/LauncherAppState.java
@@ -48,6 +48,7 @@
 import com.android.launcher3.util.SettingsCache;
 import com.android.launcher3.util.SimpleBroadcastReceiver;
 import com.android.launcher3.util.Themes;
+import com.android.launcher3.widget.DatabaseWidgetPreviewLoader;
 import com.android.launcher3.widget.custom.CustomWidgetManager;
 
 public class LauncherAppState {
@@ -63,7 +64,7 @@
     private final LauncherModel mModel;
     private final IconProvider mIconProvider;
     private final IconCache mIconCache;
-    private final WidgetPreviewLoader mWidgetCache;
+    private final DatabaseWidgetPreviewLoader mWidgetCache;
     private final InvariantDeviceProfile mInvariantDeviceProfile;
     private final RunnableList mOnTerminateCallback = new RunnableList();
 
@@ -138,7 +139,7 @@
         mIconProvider =  new IconProvider(context, Themes.isThemedIconEnabled(context));
         mIconCache = new IconCache(mContext, mInvariantDeviceProfile,
                 iconCacheFileName, mIconProvider);
-        mWidgetCache = new WidgetPreviewLoader(mContext, mIconCache);
+        mWidgetCache = new DatabaseWidgetPreviewLoader(mContext, mIconCache);
         mModel = new LauncherModel(context, this, mIconCache, new AppFilter(mContext));
         mOnTerminateCallback.add(mIconCache::close);
     }
@@ -180,7 +181,7 @@
         return mModel;
     }
 
-    public WidgetPreviewLoader getWidgetCache() {
+    public DatabaseWidgetPreviewLoader getWidgetCache() {
         return mWidgetCache;
     }
 
diff --git a/src/com/android/launcher3/ShortcutAndWidgetContainer.java b/src/com/android/launcher3/ShortcutAndWidgetContainer.java
index 4579705..9a7ddbc 100644
--- a/src/com/android/launcher3/ShortcutAndWidgetContainer.java
+++ b/src/com/android/launcher3/ShortcutAndWidgetContainer.java
@@ -31,7 +31,7 @@
 import com.android.launcher3.CellLayout.ContainerType;
 import com.android.launcher3.folder.FolderIcon;
 import com.android.launcher3.views.ActivityContext;
-import com.android.launcher3.widget.LauncherAppWidgetHostView;
+import com.android.launcher3.widget.NavigableAppWidgetHostView;
 
 public class ShortcutAndWidgetContainer extends ViewGroup implements FolderIcon.FolderIconParent {
     static final String TAG = "ShortcutAndWidgetContainer";
@@ -104,9 +104,9 @@
 
     public void setupLp(View child) {
         CellLayout.LayoutParams lp = (CellLayout.LayoutParams) child.getLayoutParams();
-        if (child instanceof LauncherAppWidgetHostView) {
+        if (child instanceof NavigableAppWidgetHostView) {
             DeviceProfile profile = mActivity.getDeviceProfile();
-            ((LauncherAppWidgetHostView) child).getWidgetInset(profile, mTempRect);
+            ((NavigableAppWidgetHostView) child).getWidgetInset(profile, mTempRect);
             lp.setup(mCellWidth, mCellHeight, invertLayoutHorizontally(), mCountX, mCountY,
                     profile.appWidgetScale.x, profile.appWidgetScale.y, mBorderSpacing, mTempRect);
         } else {
@@ -129,8 +129,8 @@
         CellLayout.LayoutParams lp = (CellLayout.LayoutParams) child.getLayoutParams();
         final DeviceProfile dp = mActivity.getDeviceProfile();
 
-        if (child instanceof LauncherAppWidgetHostView) {
-            ((LauncherAppWidgetHostView) child).getWidgetInset(dp, mTempRect);
+        if (child instanceof NavigableAppWidgetHostView) {
+            ((NavigableAppWidgetHostView) child).getWidgetInset(dp, mTempRect);
             lp.setup(mCellWidth, mCellHeight, invertLayoutHorizontally(), mCountX, mCountY,
                     dp.appWidgetScale.x, dp.appWidgetScale.y, mBorderSpacing, mTempRect);
         } else {
@@ -176,16 +176,16 @@
      */
     public void layoutChild(View child) {
         CellLayout.LayoutParams lp = (CellLayout.LayoutParams) child.getLayoutParams();
-        if (child instanceof LauncherAppWidgetHostView) {
-            LauncherAppWidgetHostView lahv = (LauncherAppWidgetHostView) child;
+        if (child instanceof NavigableAppWidgetHostView) {
+            NavigableAppWidgetHostView nahv = (NavigableAppWidgetHostView) child;
 
             // Scale and center the widget to fit within its cells.
             DeviceProfile profile = mActivity.getDeviceProfile();
             float scaleX = profile.appWidgetScale.x;
             float scaleY = profile.appWidgetScale.y;
 
-            lahv.setScaleToFit(Math.min(scaleX, scaleY));
-            lahv.setTranslationForCentering(-(lp.width - (lp.width * scaleX)) / 2.0f,
+            nahv.setScaleToFit(Math.min(scaleX, scaleY));
+            nahv.setTranslationForCentering(-(lp.width - (lp.width * scaleX)) / 2.0f,
                     -(lp.height - (lp.height * scaleY)) / 2.0f);
         }
 
diff --git a/src/com/android/launcher3/Utilities.java b/src/com/android/launcher3/Utilities.java
index 2ef9e3e..3cabc87 100644
--- a/src/com/android/launcher3/Utilities.java
+++ b/src/com/android/launcher3/Utilities.java
@@ -123,7 +123,8 @@
 
     public static final boolean ATLEAST_R = Build.VERSION.SDK_INT >= Build.VERSION_CODES.R;
 
-    public static final boolean ATLEAST_S = BuildCompat.isAtLeastS();
+    public static final boolean ATLEAST_S = BuildCompat.isAtLeastS()
+            || Build.VERSION.SDK_INT >= Build.VERSION_CODES.S;
 
     /**
      * Set on a motion event dispatched from the nav bar. See {@link MotionEvent#setEdgeFlags(int)}.
diff --git a/src/com/android/launcher3/Workspace.java b/src/com/android/launcher3/Workspace.java
index aba8a40..a08fa1f 100644
--- a/src/com/android/launcher3/Workspace.java
+++ b/src/com/android/launcher3/Workspace.java
@@ -2732,9 +2732,6 @@
     public void animateWidgetDrop(ItemInfo info, CellLayout cellLayout, final DragView dragView,
             final Runnable onCompleteRunnable, int animationType, final View finalView,
             boolean external) {
-        Rect from = new Rect();
-        mLauncher.getDragLayer().getViewRectRelativeToSelf(dragView, from);
-
         int[] finalPos = new int[2];
         float scaleXY[] = new float[2];
         boolean scalePreview = !(info instanceof PendingAddShortcutInfo);
@@ -2778,8 +2775,8 @@
                     }
                 }
             };
-            dragLayer.animateViewIntoPosition(dragView, from.left, from.top, finalPos[0],
-                    finalPos[1], 1, 1, 1, scaleXY[0], scaleXY[1], onComplete, endStyle,
+            dragLayer.animateViewIntoPosition(dragView, finalPos[0],
+                    finalPos[1], 1, scaleXY[0], scaleXY[1], onComplete, endStyle,
                     duration, this);
         }
     }
@@ -2838,6 +2835,10 @@
                 removeWorkspaceItem(mDragInfo.cell);
             }
         } else if (mDragInfo != null) {
+            // When drag is cancelled, reattach content view back to its original parent.
+            if (mDragInfo.cell instanceof LauncherAppWidgetHostView) {
+                d.dragView.detachContentView(/* reattachToPreviousParent= */ true);
+            }
             final CellLayout cellLayout = mLauncher.getCellLayout(
                     mDragInfo.container, mDragInfo.screenId);
             if (cellLayout != null) {
diff --git a/src/com/android/launcher3/allapps/AllAppsContainerView.java b/src/com/android/launcher3/allapps/AllAppsContainerView.java
index 7003df1..67f2a9e 100644
--- a/src/com/android/launcher3/allapps/AllAppsContainerView.java
+++ b/src/com/android/launcher3/allapps/AllAppsContainerView.java
@@ -21,6 +21,8 @@
 import static com.android.launcher3.model.BgDataModel.Callbacks.FLAG_QUIET_MODE_CHANGE_PERMISSION;
 import static com.android.launcher3.model.BgDataModel.Callbacks.FLAG_QUIET_MODE_ENABLED;
 
+import android.animation.Animator;
+import android.animation.AnimatorListenerAdapter;
 import android.animation.ValueAnimator;
 import android.content.Context;
 import android.content.res.Resources;
@@ -29,6 +31,7 @@
 import android.graphics.Paint;
 import android.graphics.Point;
 import android.graphics.Rect;
+import android.os.Bundle;
 import android.os.Parcelable;
 import android.os.Process;
 import android.text.Selection;
@@ -80,11 +83,10 @@
         Insettable, OnDeviceProfileChangeListener, OnActivePageChangedListener,
         ScrimView.ScrimDrawingController {
 
-    public static final float PULL_MULTIPLIER = .02f;
-    public static final float FLING_VELOCITY_MULTIPLIER = 2000f;
+    private static final String BUNDLE_KEY_CURRENT_PAGE = "launcher.allapps.current_page";
 
-    // Starts the springs after at least 25% of the animation has passed.
-    public static final float FLING_ANIMATION_THRESHOLD = 0.25f;
+    public static final float PULL_MULTIPLIER = .02f;
+    public static final float FLING_VELOCITY_MULTIPLIER = 1200f;
 
     private final Paint mHeaderPaint = new Paint(Paint.ANTI_ALIAS_FLAG);
 
@@ -132,7 +134,6 @@
     private ScrimView mScrimView;
     private int mHeaderColor;
 
-
     public AllAppsContainerView(Context context) {
         this(context, null);
     }
@@ -183,6 +184,23 @@
         } catch (Exception e) {
             Log.e("AllAppsContainerView", "restoreInstanceState viewId = 0", e);
         }
+        Bundle state = (Bundle) sparseArray.get(R.id.work_tab_state_id, null);
+        if (state != null) {
+            int currentPage = state.getInt(BUNDLE_KEY_CURRENT_PAGE, 0);
+            if (currentPage != 0) {
+                rebindAdapters(true);
+                mViewPager.setCurrentPage(currentPage);
+            }
+        }
+    }
+
+
+    @Override
+    protected void dispatchSaveInstanceState(SparseArray<Parcelable> container) {
+        super.dispatchSaveInstanceState(container);
+        Bundle state = new Bundle();
+        state.putInt(BUNDLE_KEY_CURRENT_PAGE, getCurrentPage());
+        container.put(R.id.work_tab_state_id, state);
     }
 
     /**
@@ -233,7 +251,9 @@
 
     private void resetWorkProfile() {
         boolean isEnabled = !mAllAppsStore.hasModelFlag(FLAG_QUIET_MODE_ENABLED);
-        mWorkModeSwitch.updateCurrentState(isEnabled);
+        if (mWorkModeSwitch != null) {
+            mWorkModeSwitch.updateCurrentState(isEnabled);
+        }
         mWorkAdapterProvider.updateCurrentState(isEnabled);
         mAH[AdapterHolder.WORK].applyPadding();
     }
@@ -572,6 +592,10 @@
         return mViewPager == null ? getActiveRecyclerView() : mViewPager;
     }
 
+    public int getCurrentPage() {
+        return mViewPager != null ? mViewPager.getCurrentPage() : AdapterHolder.MAIN;
+    }
+
     /**
      * Handles selection on focused view and returns success
      */
@@ -645,20 +669,18 @@
     /**
      * Adds an update listener to {@param animator} that adds springs to the animation.
      */
-    public void addSpringFromFlingUpdateListener(ValueAnimator animator, float velocity) {
-        animator.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() {
-            boolean shouldSpring = true;
-
+    public void addSpringFromFlingUpdateListener(ValueAnimator animator,
+            float velocity /* release velocity */,
+            float progress /* portion of the distance to travel*/) {
+        animator.addListener(new AnimatorListenerAdapter() {
             @Override
-            public void onAnimationUpdate(ValueAnimator valueAnimator) {
-                if (shouldSpring
-                        && valueAnimator.getAnimatedFraction() >= FLING_ANIMATION_THRESHOLD) {
-                    absorbSwipeUpVelocity(Math.max(100, Math.abs(
-                            Math.round(velocity * FLING_VELOCITY_MULTIPLIER))));
-                    // calculate the velocity of using the not user controlled interpolator
-                    // of when the container reach the end.
-                    shouldSpring = false;
-                }
+            public void onAnimationStart(Animator animator) {
+                float distance = (float) ((1 - progress) * getHeight()); // px
+                float settleVelocity = Math.min(0, distance
+                        / (AllAppsTransitionController.INTERP_COEFF * animator.getDuration())
+                        + velocity);
+                absorbSwipeUpVelocity(Math.max(1000, Math.abs(
+                        Math.round(settleVelocity * FLING_VELOCITY_MULTIPLIER))));
             }
         });
     }
diff --git a/src/com/android/launcher3/allapps/AllAppsTransitionController.java b/src/com/android/launcher3/allapps/AllAppsTransitionController.java
index 8ec8269..a0551f0 100644
--- a/src/com/android/launcher3/allapps/AllAppsTransitionController.java
+++ b/src/com/android/launcher3/allapps/AllAppsTransitionController.java
@@ -57,6 +57,8 @@
  */
 public class AllAppsTransitionController
         implements StateHandler<LauncherState>, OnDeviceProfileChangeListener {
+    // This constant should match the second derivative of the animator interpolator.
+    public static final float INTERP_COEFF = 1.7f;
     private static final float CONTENT_VISIBLE_MAX_THRESHOLD = 0.5f;
 
     public static final FloatProperty<AllAppsTransitionController> ALL_APPS_PROGRESS =
diff --git a/src/com/android/launcher3/allapps/WorkModeSwitch.java b/src/com/android/launcher3/allapps/WorkModeSwitch.java
index 866694f..a800d34 100644
--- a/src/com/android/launcher3/allapps/WorkModeSwitch.java
+++ b/src/com/android/launcher3/allapps/WorkModeSwitch.java
@@ -15,9 +15,11 @@
  */
 package com.android.launcher3.allapps;
 
+import static com.android.launcher3.logging.StatsLogManager.LauncherEvent.LAUNCHER_TURN_OFF_WORK_APPS_TAP;
 import static com.android.launcher3.util.Executors.UI_HELPER_EXECUTOR;
 
 import android.content.Context;
+import android.graphics.Insets;
 import android.graphics.Rect;
 import android.os.Build;
 import android.os.Process;
@@ -26,12 +28,16 @@
 import android.util.AttributeSet;
 import android.view.View;
 import android.view.ViewGroup;
+import android.view.WindowInsets;
 import android.widget.Button;
 
+import androidx.annotation.Nullable;
 import androidx.annotation.RequiresApi;
 
 import com.android.launcher3.Insettable;
+import com.android.launcher3.Launcher;
 import com.android.launcher3.Utilities;
+import com.android.launcher3.anim.KeyboardInsetAnimationCallback;
 import com.android.launcher3.pm.UserCache;
 
 /**
@@ -42,6 +48,10 @@
     private Rect mInsets = new Rect();
     private boolean mWorkEnabled;
 
+
+    @Nullable
+    private KeyboardInsetAnimationCallback mKeyboardInsetAnimationCallback;
+
     public WorkModeSwitch(Context context) {
         this(context, null, 0);
     }
@@ -57,7 +67,12 @@
     @Override
     protected void onFinishInflate() {
         super.onFinishInflate();
+        setSelected(true);
         setOnClickListener(this);
+        if (Utilities.ATLEAST_R) {
+            mKeyboardInsetAnimationCallback = new KeyboardInsetAnimationCallback(this);
+            setWindowInsetsAnimationCallback(mKeyboardInsetAnimationCallback);
+        }
     }
 
     @Override
@@ -92,6 +107,8 @@
     public void onClick(View view) {
         if (Utilities.ATLEAST_P) {
             setEnabled(false);
+            Launcher.fromContext(getContext()).getStatsLogManager().logger().log(
+                    LAUNCHER_TURN_OFF_WORK_APPS_TAP);
             UI_HELPER_EXECUTOR.post(() -> setWorkProfileEnabled(getContext(), false));
         }
     }
@@ -117,4 +134,16 @@
         }
         return showConfirm;
     }
+
+    @Override
+    public WindowInsets onApplyWindowInsets(WindowInsets insets) {
+        if (Utilities.ATLEAST_R) {
+            setTranslationY(0);
+            if (insets.isVisible(WindowInsets.Type.ime())) {
+                Insets keyboardInsets = insets.getInsets(WindowInsets.Type.ime());
+                setTranslationY(mInsets.bottom - keyboardInsets.bottom);
+            }
+        }
+        return insets;
+    }
 }
diff --git a/src/com/android/launcher3/allapps/WorkPausedCard.java b/src/com/android/launcher3/allapps/WorkPausedCard.java
index 3955a9a..7908b63 100644
--- a/src/com/android/launcher3/allapps/WorkPausedCard.java
+++ b/src/com/android/launcher3/allapps/WorkPausedCard.java
@@ -15,6 +15,7 @@
  */
 package com.android.launcher3.allapps;
 
+import static com.android.launcher3.logging.StatsLogManager.LauncherEvent.LAUNCHER_TURN_ON_WORK_APPS_TAP;
 import static com.android.launcher3.util.Executors.UI_HELPER_EXECUTOR;
 
 import android.content.Context;
@@ -61,6 +62,7 @@
     public void onClick(View view) {
         if (Utilities.ATLEAST_P) {
             setEnabled(false);
+            mLauncher.getStatsLogManager().logger().log(LAUNCHER_TURN_ON_WORK_APPS_TAP);
             UI_HELPER_EXECUTOR.post(() -> WorkModeSwitch.setWorkProfileEnabled(getContext(), true));
         }
     }
diff --git a/src/com/android/launcher3/anim/KeyboardInsetAnimationCallback.java b/src/com/android/launcher3/anim/KeyboardInsetAnimationCallback.java
new file mode 100644
index 0000000..ef4ada3
--- /dev/null
+++ b/src/com/android/launcher3/anim/KeyboardInsetAnimationCallback.java
@@ -0,0 +1,71 @@
+/*
+ * Copyright (C) 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.android.launcher3.anim;
+
+import android.os.Build;
+import android.view.View;
+import android.view.WindowInsets;
+import android.view.WindowInsetsAnimation;
+
+import androidx.annotation.RequiresApi;
+
+import com.android.launcher3.Utilities;
+
+import java.util.List;
+
+/**
+ * Callback that animates views above the IME
+ */
+@RequiresApi(api = Build.VERSION_CODES.R)
+public class KeyboardInsetAnimationCallback extends WindowInsetsAnimation.Callback {
+    private final View mView;
+
+    private float mInitialTranslation;
+    private float mTerminalTranslation;
+
+    public KeyboardInsetAnimationCallback(View view) {
+        super(DISPATCH_MODE_STOP);
+        mView = view;
+    }
+
+    @Override
+    public void onPrepare(WindowInsetsAnimation animation) {
+        mInitialTranslation = mView.getTranslationY();
+    }
+
+
+    @Override
+    public WindowInsets onProgress(WindowInsets windowInsets, List<WindowInsetsAnimation> list) {
+        if (list.size() == 0) {
+            mView.setTranslationY(mInitialTranslation);
+            return windowInsets;
+        }
+        float progress = list.get(0).getInterpolatedFraction();
+
+        mView.setTranslationY(
+                Utilities.mapRange(progress, mInitialTranslation, mTerminalTranslation));
+
+        return windowInsets;
+    }
+
+    @Override
+    public WindowInsetsAnimation.Bounds onStart(WindowInsetsAnimation animation,
+            WindowInsetsAnimation.Bounds bounds) {
+        mTerminalTranslation = mView.getTranslationY();
+        mView.setTranslationY(mInitialTranslation);
+        return super.onStart(animation, bounds);
+    }
+}
diff --git a/src/com/android/launcher3/config/FeatureFlags.java b/src/com/android/launcher3/config/FeatureFlags.java
index 5e3177a..1c16b1c 100644
--- a/src/com/android/launcher3/config/FeatureFlags.java
+++ b/src/com/android/launcher3/config/FeatureFlags.java
@@ -99,6 +99,9 @@
     public static final BooleanFlag ENABLE_DEVICE_SEARCH = new DeviceFlag(
             "ENABLE_DEVICE_SEARCH", true, "Allows on device search in all apps");
 
+    public static final BooleanFlag IME_STICKY_SNACKBAR_EDU = getDebugFlag(
+            "IME_STICKY_SNACKBAR_EDU", true, "Show sticky IME edu in AllApps");
+
     public static final BooleanFlag ENABLE_PEOPLE_TILE_PREVIEW = getDebugFlag(
             "ENABLE_PEOPLE_TILE_PREVIEW", false,
             "Experimental: Shows conversation shortcuts on home screen as search results");
@@ -220,6 +223,10 @@
             "ENABLE_TWO_PANEL_HOME", true,
             "Uses two panel on home screen. Only applicable on large screen devices.");
 
+    public static final BooleanFlag ENABLE_SCRIM_FOR_APP_LAUNCH = getDebugFlag(
+            "ENABLE_SCRIM_FOR_APP_LAUNCH", false,
+            "Enables scrim during app launch animation.");
+
     public static final BooleanFlag ENABLE_SPLIT_SELECT = getDebugFlag(
             "ENABLE_SPLIT_SELECT", false, "Uses new split screen selection overview UI");
 
diff --git a/src/com/android/launcher3/dragndrop/DragLayer.java b/src/com/android/launcher3/dragndrop/DragLayer.java
index 011325d..5ee4203 100644
--- a/src/com/android/launcher3/dragndrop/DragLayer.java
+++ b/src/com/android/launcher3/dragndrop/DragLayer.java
@@ -17,14 +17,19 @@
 
 package com.android.launcher3.dragndrop;
 
+import static android.animation.ObjectAnimator.ofFloat;
+
+import static com.android.launcher3.LauncherAnimUtils.VIEW_TRANSLATE_X;
+import static com.android.launcher3.LauncherAnimUtils.VIEW_TRANSLATE_Y;
+import static com.android.launcher3.Utilities.mapRange;
+import static com.android.launcher3.anim.AnimatorListeners.forEndCallback;
 import static com.android.launcher3.anim.Interpolators.DEACCEL_1_5;
 import static com.android.launcher3.compat.AccessibilityManagerCompat.sendCustomAccessibilityEvent;
 
 import android.animation.Animator;
-import android.animation.AnimatorListenerAdapter;
+import android.animation.ObjectAnimator;
 import android.animation.TimeInterpolator;
-import android.animation.ValueAnimator;
-import android.animation.ValueAnimator.AnimatorUpdateListener;
+import android.animation.TypeEvaluator;
 import android.content.Context;
 import android.content.res.Resources;
 import android.graphics.Canvas;
@@ -44,10 +49,11 @@
 import com.android.launcher3.R;
 import com.android.launcher3.ShortcutAndWidgetContainer;
 import com.android.launcher3.Workspace;
+import com.android.launcher3.anim.PendingAnimation;
+import com.android.launcher3.anim.SpringProperty;
 import com.android.launcher3.folder.Folder;
 import com.android.launcher3.graphics.Scrim;
 import com.android.launcher3.keyboard.ViewGroupFocusHelper;
-import com.android.launcher3.util.Thunk;
 import com.android.launcher3.util.TouchController;
 import com.android.launcher3.views.BaseDragLayer;
 
@@ -69,11 +75,9 @@
     private DragController mDragController;
 
     // Variables relating to animation of views after drop
-    private ValueAnimator mDropAnim = null;
+    private Animator mDropAnim = null;
 
-    @Thunk DragView mDropView = null;
-    @Thunk int mAnchorViewInitialScrollX = 0;
-    @Thunk View mAnchorView = null;
+    private DragView mDropView = null;
 
     private boolean mHoverPointClosesFolder = false;
 
@@ -220,12 +224,7 @@
     public void animateViewIntoPosition(DragView dragView, final int[] pos, float alpha,
             float scaleX, float scaleY, int animationEndStyle, Runnable onFinishRunnable,
             int duration) {
-        Rect r = new Rect();
-        getViewRectRelativeToSelf(dragView, r);
-        final int fromX = r.left;
-        final int fromY = r.top;
-
-        animateViewIntoPosition(dragView, fromX, fromY, pos[0], pos[1], alpha, 1, 1, scaleX, scaleY,
+        animateViewIntoPosition(dragView, pos[0], pos[1], alpha, scaleX, scaleY,
                 onFinishRunnable, animationEndStyle, duration, null);
     }
 
@@ -241,11 +240,6 @@
         parentChildren.measureChild(child);
         parentChildren.layoutChild(child);
 
-        Rect dragViewBounds = new Rect();
-        getViewRectRelativeToSelf(dragView, dragViewBounds);
-        final int fromX = dragViewBounds.left;
-        final int fromY = dragViewBounds.top;
-
         float coord[] = new float[2];
         float childScale = child.getScaleX();
 
@@ -288,51 +282,50 @@
 
         child.setVisibility(INVISIBLE);
         Runnable onCompleteRunnable = () -> child.setVisibility(VISIBLE);
-        animateViewIntoPosition(dragView, fromX, fromY, toX, toY, 1, 1, 1, toScale, toScale,
+        animateViewIntoPosition(dragView, toX, toY, 1, toScale, toScale,
                 onCompleteRunnable, ANIMATION_END_DISAPPEAR, duration, anchorView);
     }
 
-    public void animateViewIntoPosition(final DragView view, final int fromX, final int fromY,
-            final int toX, final int toY, float finalAlpha, float initScaleX, float initScaleY,
-            float finalScaleX, float finalScaleY, Runnable onCompleteRunnable,
-            int animationEndStyle, int duration, View anchorView) {
-        Rect from = new Rect(fromX, fromY, fromX +
-                view.getMeasuredWidth(), fromY + view.getMeasuredHeight());
-        Rect to = new Rect(toX, toY, toX + view.getMeasuredWidth(), toY + view.getMeasuredHeight());
-        animateView(view, from, to, finalAlpha, initScaleX, initScaleY, finalScaleX, finalScaleY, duration,
-                null, null, onCompleteRunnable, animationEndStyle, anchorView);
-    }
-
     /**
      * This method animates a view at the end of a drag and drop animation.
-     *
+     */
+    public void animateViewIntoPosition(final DragView view,
+            final int toX, final int toY, float finalAlpha,
+            float finalScaleX, float finalScaleY, Runnable onCompleteRunnable,
+            int animationEndStyle, int duration, View anchorView) {
+        Rect to = new Rect(toX, toY, toX + view.getMeasuredWidth(), toY + view.getMeasuredHeight());
+        animateView(view, to, finalAlpha, finalScaleX, finalScaleY, duration,
+                null, onCompleteRunnable, animationEndStyle, anchorView);
+    }
+
+    /**
+     * This method animates a view at the end of a drag and drop animation.
      * @param view The view to be animated. This view is drawn directly into DragLayer, and so
      *        doesn't need to be a child of DragLayer.
-     * @param from The initial location of the view. Only the left and top parameters are used.
      * @param to The final location of the view. Only the left and top parameters are used. This
-     *        location doesn't account for scaling, and so should be centered about the desired
-     *        final location (including scaling).
+*        location doesn't account for scaling, and so should be centered about the desired
+*        final location (including scaling).
      * @param finalAlpha The final alpha of the view, in case we want it to fade as it animates.
      * @param finalScaleX The final scale of the view. The view is scaled about its center.
      * @param finalScaleY The final scale of the view. The view is scaled about its center.
      * @param duration The duration of the animation.
      * @param motionInterpolator The interpolator to use for the location of the view.
-     * @param alphaInterpolator The interpolator to use for the alpha of the view.
      * @param onCompleteRunnable Optional runnable to run on animation completion.
      * @param animationEndStyle Whether or not to fade out the view once the animation completes.
-     *        {@link #ANIMATION_END_DISAPPEAR} or {@link #ANIMATION_END_REMAIN_VISIBLE}.
+*        {@link #ANIMATION_END_DISAPPEAR} or {@link #ANIMATION_END_REMAIN_VISIBLE}.
      * @param anchorView If not null, this represents the view which the animated view stays
-     *        anchored to in case scrolling is currently taking place. Note: currently this is
-     *        only used for the X dimension for the case of the workspace.
      */
-    public void animateView(final DragView view, final Rect from, final Rect to,
-            final float finalAlpha, final float initScaleX, final float initScaleY,
-            final float finalScaleX, final float finalScaleY, int duration,
-            final Interpolator motionInterpolator, final Interpolator alphaInterpolator,
-            final Runnable onCompleteRunnable, final int animationEndStyle, View anchorView) {
+    public void animateView(final DragView view, final Rect to,
+            final float finalAlpha, final float finalScaleX, final float finalScaleY, int duration,
+            final Interpolator motionInterpolator, final Runnable onCompleteRunnable,
+            final int animationEndStyle, View anchorView) {
+        view.cancelAnimation();
+        view.requestLayout();
+
+        final int[] from = getViewLocationRelativeToSelf(view);
 
         // Calculate the duration of the animation based on the object's distance
-        final float dist = (float) Math.hypot(to.left - from.left, to.top - from.top);
+        final float dist = (float) Math.hypot(to.left - from[0], to.top - from[1]);
         final Resources res = getResources();
         final float maxDist = (float) res.getInteger(R.integer.config_dropAnimMaxDist);
 
@@ -346,93 +339,45 @@
         }
 
         // Fall back to cubic ease out interpolator for the animation if none is specified
-        TimeInterpolator interpolator = null;
-        if (alphaInterpolator == null || motionInterpolator == null) {
-            interpolator = DEACCEL_1_5;
-        }
+        TimeInterpolator interpolator =
+                motionInterpolator == null ? DEACCEL_1_5 : motionInterpolator;
 
         // Animate the view
-        final float initAlpha = view.getAlpha();
-        final float dropViewScale = view.getScaleX();
-        AnimatorUpdateListener updateCb = new AnimatorUpdateListener() {
-            @Override
-            public void onAnimationUpdate(ValueAnimator animation) {
-                final float percent = (Float) animation.getAnimatedValue();
-                final int width = view.getMeasuredWidth();
-                final int height = view.getMeasuredHeight();
+        PendingAnimation anim = new PendingAnimation(duration);
+        anim.add(ofFloat(view, View.SCALE_X, finalScaleX), interpolator, SpringProperty.DEFAULT);
+        anim.add(ofFloat(view, View.SCALE_Y, finalScaleY), interpolator, SpringProperty.DEFAULT);
+        anim.setViewAlpha(view, finalAlpha, interpolator);
+        anim.setFloat(view, VIEW_TRANSLATE_Y, to.top, interpolator);
 
-                float alphaPercent = alphaInterpolator == null ? percent :
-                        alphaInterpolator.getInterpolation(percent);
-                float motionPercent = motionInterpolator == null ? percent :
-                        motionInterpolator.getInterpolation(percent);
-
-                float initialScaleX = initScaleX * dropViewScale;
-                float initialScaleY = initScaleY * dropViewScale;
-                float scaleX = finalScaleX * percent + initialScaleX * (1 - percent);
-                float scaleY = finalScaleY * percent + initialScaleY * (1 - percent);
-                float alpha = finalAlpha * alphaPercent + initAlpha * (1 - alphaPercent);
-
-                float fromLeft = from.left + (initialScaleX - 1f) * width / 2;
-                float fromTop = from.top + (initialScaleY - 1f) * height / 2;
-
-                int x = (int) (fromLeft + Math.round(((to.left - fromLeft) * motionPercent)));
-                int y = (int) (fromTop + Math.round(((to.top - fromTop) * motionPercent)));
-
-                int anchorAdjust = mAnchorView == null ? 0 : (int) (mAnchorView.getScaleX() *
-                    (mAnchorViewInitialScrollX - mAnchorView.getScrollX()));
-
-                int xPos = x - mDropView.getScrollX() + anchorAdjust;
-                int yPos = y - mDropView.getScrollY();
-
-                mDropView.setTranslationX(xPos);
-                mDropView.setTranslationY(yPos);
-                mDropView.setScaleX(scaleX);
-                mDropView.setScaleY(scaleY);
-                mDropView.setAlpha(alpha);
-            }
-        };
-        animateView(view, updateCb, duration, interpolator, onCompleteRunnable, animationEndStyle,
-                anchorView);
+        ObjectAnimator xMotion = ofFloat(view, VIEW_TRANSLATE_X, to.left);
+        if (anchorView != null) {
+            final int startScroll = anchorView.getScrollX();
+            TypeEvaluator<Float> evaluator = (f, s, e) -> mapRange(f, s, e)
+                    + (anchorView.getScaleX() * (startScroll - anchorView.getScrollX()));
+            xMotion.setEvaluator(evaluator);
+        }
+        anim.add(xMotion, interpolator, SpringProperty.DEFAULT);
+        if (onCompleteRunnable != null) {
+            anim.addListener(forEndCallback(onCompleteRunnable));
+        }
+        playDropAnimation(view, anim.buildAnim(), animationEndStyle);
     }
 
-    public void animateView(final DragView view, AnimatorUpdateListener updateCb, int duration,
-            TimeInterpolator interpolator, final Runnable onCompleteRunnable,
-            final int animationEndStyle, View anchorView) {
+    /**
+     * Runs a previously constructed drop animation
+     */
+    public void playDropAnimation(final DragView view, Animator animator, int animationEndStyle) {
         // Clean up the previous animations
         if (mDropAnim != null) mDropAnim.cancel();
 
         // Show the drop view if it was previously hidden
         mDropView = view;
-        mDropView.cancelAnimation();
-        mDropView.requestLayout();
-
-        // Set the anchor view if the page is scrolling
-        if (anchorView != null) {
-            mAnchorViewInitialScrollX = anchorView.getScrollX();
-        }
-        mAnchorView = anchorView;
-
         // Create and start the animation
-        mDropAnim = new ValueAnimator();
-        mDropAnim.setInterpolator(interpolator);
-        mDropAnim.setDuration(duration);
-        mDropAnim.setFloatValues(0f, 1f);
-        mDropAnim.addUpdateListener(updateCb);
-        mDropAnim.addListener(new AnimatorListenerAdapter() {
-            public void onAnimationEnd(Animator animation) {
-                if (onCompleteRunnable != null) {
-                    onCompleteRunnable.run();
-                }
-                switch (animationEndStyle) {
-                case ANIMATION_END_DISAPPEAR:
-                    clearAnimatedView();
-                    break;
-                case ANIMATION_END_REMAIN_VISIBLE:
-                    break;
-                }
-                mDropAnim = null;
-            }
-        });
+        mDropAnim = animator;
+        mDropAnim.addListener(forEndCallback(() -> mDropAnim = null));
+        if (animationEndStyle == ANIMATION_END_DISAPPEAR) {
+            mDropAnim.addListener(forEndCallback(this::clearAnimatedView));
+        }
         mDropAnim.start();
     }
 
diff --git a/src/com/android/launcher3/folder/ClippedFolderIconLayoutRule.java b/src/com/android/launcher3/folder/ClippedFolderIconLayoutRule.java
index 3457804..54967a9 100644
--- a/src/com/android/launcher3/folder/ClippedFolderIconLayoutRule.java
+++ b/src/com/android/launcher3/folder/ClippedFolderIconLayoutRule.java
@@ -34,7 +34,6 @@
         float totalScale = scaleForItem(curNumItems);
         float transX;
         float transY;
-        float overlayAlpha = 0;
 
         if (index == EXIT_INDEX) {
             // 0 1 * <-- Exit position (row 0, col 2)
@@ -55,10 +54,9 @@
         transY = mTmpPoint[1];
 
         if (params == null) {
-            params = new PreviewItemDrawingParams(transX, transY, totalScale, overlayAlpha);
+            params = new PreviewItemDrawingParams(transX, transY, totalScale);
         } else {
             params.update(transX, transY, totalScale);
-            params.overlayAlpha = overlayAlpha;
         }
         return params;
     }
diff --git a/src/com/android/launcher3/folder/Folder.java b/src/com/android/launcher3/folder/Folder.java
index 5dcd75a..22bb56c 100644
--- a/src/com/android/launcher3/folder/Folder.java
+++ b/src/com/android/launcher3/folder/Folder.java
@@ -17,7 +17,6 @@
 package com.android.launcher3.folder;
 
 import static android.text.TextUtils.isEmpty;
-import static android.view.WindowInsetsAnimation.Callback.DISPATCH_MODE_STOP;
 
 import static com.android.launcher3.LauncherAnimUtils.SPRING_LOADED_EXIT_DELAY;
 import static com.android.launcher3.LauncherState.NORMAL;
@@ -39,7 +38,6 @@
 import android.graphics.Rect;
 import android.graphics.drawable.Drawable;
 import android.graphics.drawable.GradientDrawable;
-import android.os.Build;
 import android.text.InputType;
 import android.text.Selection;
 import android.text.TextUtils;
@@ -54,15 +52,12 @@
 import android.view.View;
 import android.view.ViewDebug;
 import android.view.WindowInsets;
-import android.view.WindowInsetsAnimation;
 import android.view.accessibility.AccessibilityEvent;
 import android.view.animation.AnimationUtils;
 import android.view.inputmethod.EditorInfo;
 import android.widget.TextView;
 
-import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
-import androidx.annotation.RequiresApi;
 import androidx.core.content.res.ResourcesCompat;
 
 import com.android.launcher3.AbstractFloatingView;
@@ -83,6 +78,7 @@
 import com.android.launcher3.Workspace.ItemOperator;
 import com.android.launcher3.accessibility.AccessibleDragListenerAdapter;
 import com.android.launcher3.accessibility.FolderAccessibilityHelper;
+import com.android.launcher3.anim.KeyboardInsetAnimationCallback;
 import com.android.launcher3.config.FeatureFlags;
 import com.android.launcher3.dragndrop.DragController;
 import com.android.launcher3.dragndrop.DragController.DragListener;
@@ -164,9 +160,9 @@
     private final Alarm mReorderAlarm = new Alarm();
     private final Alarm mOnExitAlarm = new Alarm();
     private final Alarm mOnScrollHintAlarm = new Alarm();
-    @Thunk final Alarm mScrollPauseAlarm = new Alarm();
+    final Alarm mScrollPauseAlarm = new Alarm();
 
-    @Thunk final ArrayList<View> mItemsInReadingOrder = new ArrayList<View>();
+    final ArrayList<View> mItemsInReadingOrder = new ArrayList<View>();
 
     private AnimatorSet mCurrentAnimator;
     private boolean mIsAnimatingClosed = false;
@@ -182,9 +178,11 @@
     private CharSequence mFromTitle;
     private FromState mFromLabelState;
 
-    @Thunk FolderIcon mFolderIcon;
+    @Thunk
+    FolderIcon mFolderIcon;
 
-    @Thunk FolderPagedView mContent;
+    @Thunk
+    FolderPagedView mContent;
     public FolderNameEditText mFolderName;
     private PageIndicatorDots mPageIndicator;
 
@@ -192,7 +190,8 @@
     private int mFooterHeight;
 
     // Cell ranks used for drag and drop
-    @Thunk int mTargetRank, mPrevTargetRank, mEmptyCellRank;
+    @Thunk
+    int mTargetRank, mPrevTargetRank, mEmptyCellRank;
 
     private Path mClipPath;
 
@@ -203,7 +202,8 @@
                     @ViewDebug.IntToString(from = STATE_ANIMATING, to = "STATE_ANIMATING"),
                     @ViewDebug.IntToString(from = STATE_OPEN, to = "STATE_OPEN"),
             })
-    @Thunk int mState = STATE_NONE;
+    @Thunk
+    int mState = STATE_NONE;
     @ViewDebug.ExportedProperty(category = "launcher")
     private boolean mRearrangeOnClose = false;
     boolean mItemsInvalidated = false;
@@ -221,12 +221,15 @@
     // Folder scrolling
     private int mScrollAreaOffset;
 
-    @Thunk int mScrollHintDir = SCROLL_NONE;
-    @Thunk int mCurrentScrollDir = SCROLL_NONE;
+    @Thunk
+    int mScrollHintDir = SCROLL_NONE;
+    @Thunk
+    int mCurrentScrollDir = SCROLL_NONE;
 
     private StatsLogManager mStatsLogManager;
 
-    @Nullable private FolderWindowInsetsAnimationCallback mFolderWindowInsetsAnimationCallback;
+    @Nullable
+    private KeyboardInsetAnimationCallback mKeyboardInsetAnimationCallback;
 
     private GradientDrawable mBackground;
 
@@ -234,7 +237,7 @@
      * Used to inflate the Workspace from XML.
      *
      * @param context The application's context.
-     * @param attrs The attributes set containing the Workspace's customization values.
+     * @param attrs   The attributes set containing the Workspace's customization values.
      */
     public Folder(Context context, AttributeSet attrs) {
         super(context, attrs);
@@ -246,7 +249,8 @@
         mStatsLogManager = StatsLogManager.newInstance(context);
         // We need this view to be focusable in touch mode so that when text editing of the folder
         // name is complete, we have something to focus on, thus hiding the cursor and giving
-        // reliable behavior when clicking the text field (since it will always gain focus on click).
+        // reliable behavior when clicking the text field (since it will always gain focus on
+        // click).
         setFocusableInTouchMode(true);
 
     }
@@ -286,10 +290,8 @@
         mFooterHeight = getResources().getDimensionPixelSize(R.dimen.folder_label_height);
 
         if (Utilities.ATLEAST_R) {
-            mFolderWindowInsetsAnimationCallback =
-                    new FolderWindowInsetsAnimationCallback(DISPATCH_MODE_STOP, this);
-
-            setWindowInsetsAnimationCallback(mFolderWindowInsetsAnimationCallback);
+            mKeyboardInsetAnimationCallback = new KeyboardInsetAnimationCallback(this);
+            setWindowInsetsAnimationCallback(mKeyboardInsetAnimationCallback);
         }
     }
 
@@ -311,14 +313,14 @@
             if (options.isAccessibleDrag) {
                 mDragController.addDragListener(new AccessibleDragListenerAdapter(
                         mContent, FolderAccessibilityHelper::new) {
-                            @Override
-                            protected void enableAccessibleDrag(boolean enable) {
-                                super.enableAccessibleDrag(enable);
-                                mFooter.setImportantForAccessibility(enable
-                                        ? IMPORTANT_FOR_ACCESSIBILITY_NO_HIDE_DESCENDANTS
-                                        : IMPORTANT_FOR_ACCESSIBILITY_AUTO);
-                            }
-                        });
+                    @Override
+                    protected void enableAccessibleDrag(boolean enable) {
+                        super.enableAccessibleDrag(enable);
+                        mFooter.setImportantForAccessibility(enable
+                                ? IMPORTANT_FOR_ACCESSIBILITY_NO_HIDE_DESCENDANTS
+                                : IMPORTANT_FOR_ACCESSIBILITY_AUTO);
+                    }
+                });
             }
 
             mLauncherDelegate.beginDragShared(v, this, options);
@@ -539,7 +541,6 @@
      *
      * @param activityContext The main ActivityContext in which to inflate this Folder. It must also
      *                        be an instance or ContextWrapper around the Launcher activity context.
-     *
      * @return A new UserFolder.
      */
     @SuppressLint("InflateParams")
@@ -677,6 +678,7 @@
                 mFolderIcon.setIconVisible(false);
                 mFolderIcon.drawLeaveBehindIfExists();
             }
+
             @Override
             public void onAnimationEnd(Animator animation) {
                 mState = STATE_OPEN;
@@ -691,7 +693,7 @@
             int footerWidth = mContent.getDesiredWidth()
                     - mFooter.getPaddingLeft() - mFooter.getPaddingRight();
 
-            float textWidth =  mFolderName.getPaint().measureText(mFolderName.getText().toString());
+            float textWidth = mFolderName.getPaint().measureText(mFolderName.getText().toString());
             float translation = (footerWidth - textWidth) / 2;
             mFolderName.setTranslationX(mContent.mIsRtl ? -translation : translation);
             mPageIndicator.prepareEntryAnimation();
@@ -705,9 +707,9 @@
                 @Override
                 public void onAnimationEnd(Animator animation) {
                     mFolderName.animate().setDuration(FOLDER_NAME_ANIMATION_DURATION)
-                        .translationX(0)
-                        .setInterpolator(AnimationUtils.loadInterpolator(
-                                getContext(), android.R.interpolator.fast_out_slow_in));
+                            .translationX(0)
+                            .setInterpolator(AnimationUtils.loadInterpolator(
+                                    getContext(), android.R.interpolator.fast_out_slow_in));
                     mPageIndicator.playEntryAnimation();
 
                     if (updateAnimationFlag) {
@@ -794,8 +796,8 @@
 
             @Override
             public void onAnimationEnd(Animator animation) {
-                if (Utilities.ATLEAST_R && mFolderWindowInsetsAnimationCallback != null) {
-                    setWindowInsetsAnimationCallback(mFolderWindowInsetsAnimationCallback);
+                if (Utilities.ATLEAST_R && mKeyboardInsetAnimationCallback != null) {
+                    setWindowInsetsAnimationCallback(mKeyboardInsetAnimationCallback);
                 }
                 closeComplete(true);
                 announceAccessibilityChanges();
@@ -1109,7 +1111,7 @@
         sTempRect.set(mActivityContext.getFolderBoundingBox());
         int left = Utilities.boundToRange(centeredLeft, sTempRect.left, sTempRect.right - width);
         int top = Utilities.boundToRange(centeredTop, sTempRect.top, sTempRect.bottom - height);
-        int[] inOutPosition = new int[] {left, top};
+        int[] inOutPosition = new int[]{left, top};
         mActivityContext.updateOpenFolderPosition(inOutPosition, sTempRect, width, height);
         left = inOutPosition[0];
         top = inOutPosition[1];
@@ -1193,7 +1195,7 @@
         return mInfo.contents.size();
     }
 
-    @Thunk void replaceFolderWithFinalItem() {
+    void replaceFolderWithFinalItem() {
         mLauncherDelegate.replaceFolderWithFinalItem(this);
         mDestroyed = true;
     }
@@ -1352,6 +1354,7 @@
             v.setVisibility(INVISIBLE);
         }
     }
+
     public void showItem(WorkspaceItemInfo info) {
         View v = getViewForInfo(info);
         if (v != null) {
@@ -1646,55 +1649,4 @@
 
         return windowBottomPx - folderBottomPx;
     }
-
-    /** Callback that animates a folder sliding up above the ime. */
-    @RequiresApi(api = Build.VERSION_CODES.R)
-    private static class FolderWindowInsetsAnimationCallback
-            extends WindowInsetsAnimation.Callback {
-
-        private final Folder mFolder;
-        float mFolderTranslationStart;
-        float mFolderTranslationEnd;
-
-        FolderWindowInsetsAnimationCallback(int dispatchMode, Folder folder) {
-            super(dispatchMode);
-
-            mFolder = folder;
-        }
-
-        @Override
-        public void onPrepare(@NonNull WindowInsetsAnimation animation) {
-            mFolderTranslationStart = mFolder.getTranslationY();
-        }
-
-        @NonNull
-        @Override
-        public WindowInsetsAnimation.Bounds onStart(
-                @NonNull WindowInsetsAnimation animation,
-                @NonNull WindowInsetsAnimation.Bounds bounds) {
-            mFolderTranslationEnd = mFolder.getTranslationY();
-
-            mFolder.setTranslationY(mFolderTranslationStart);
-
-            return super.onStart(animation, bounds);
-        }
-
-        @NonNull
-        @Override
-        public WindowInsets onProgress(@NonNull WindowInsets windowInsets,
-                @NonNull List<WindowInsetsAnimation> list) {
-            if (list.size() == 0) {
-                mFolder.setTranslationY(0);
-
-                return windowInsets;
-            }
-            float progress = list.get(0).getInterpolatedFraction();
-
-            mFolder.setTranslationY(
-                    Utilities.mapRange(progress, mFolderTranslationStart, mFolderTranslationEnd));
-
-            return windowInsets;
-        }
-
-    }
 }
diff --git a/src/com/android/launcher3/folder/FolderAnimationManager.java b/src/com/android/launcher3/folder/FolderAnimationManager.java
index 57b289e..4fe85be 100644
--- a/src/com/android/launcher3/folder/FolderAnimationManager.java
+++ b/src/com/android/launcher3/folder/FolderAnimationManager.java
@@ -79,7 +79,7 @@
     private final TimeInterpolator mLargeFolderPreviewItemOpenInterpolator;
     private final TimeInterpolator mLargeFolderPreviewItemCloseInterpolator;
 
-    private final PreviewItemDrawingParams mTmpParams = new PreviewItemDrawingParams(0, 0, 0, 0);
+    private final PreviewItemDrawingParams mTmpParams = new PreviewItemDrawingParams(0, 0, 0);
     private final FolderGridOrganizer mPreviewVerifier;
 
     private ObjectAnimator mBgColorAnimator;
diff --git a/src/com/android/launcher3/folder/FolderIcon.java b/src/com/android/launcher3/folder/FolderIcon.java
index ed2d0a9..aedb224 100644
--- a/src/com/android/launcher3/folder/FolderIcon.java
+++ b/src/com/android/launcher3/folder/FolderIcon.java
@@ -113,7 +113,7 @@
     FolderGridOrganizer mPreviewVerifier;
     ClippedFolderIconLayoutRule mPreviewLayoutRule;
     private PreviewItemManager mPreviewItemManager;
-    private PreviewItemDrawingParams mTmpParams = new PreviewItemDrawingParams(0, 0, 0, 0);
+    private PreviewItemDrawingParams mTmpParams = new PreviewItemDrawingParams(0, 0, 0);
     private List<WorkspaceItemInfo> mCurrentPreviewItems = new ArrayList<>();
 
     boolean mAnimating = false;
@@ -336,8 +336,6 @@
         if (animateView != null && mActivity instanceof Launcher) {
             final Launcher launcher = (Launcher) mActivity;
             DragLayer dragLayer = launcher.getDragLayer();
-            Rect from = new Rect();
-            dragLayer.getViewRectRelativeToSelf(animateView, from);
             Rect to = finalRect;
             if (to == null) {
                 to = new Rect();
@@ -391,7 +389,7 @@
             to.offset(center[0] - animateView.getMeasuredWidth() / 2,
                     center[1] - animateView.getMeasuredHeight() / 2);
 
-            float finalAlpha = index < MAX_NUM_ITEMS_IN_PREVIEW ? 0.5f : 0f;
+            float finalAlpha = index < MAX_NUM_ITEMS_IN_PREVIEW ? 1f : 0f;
 
             float finalScale = scale * scaleRelativeToDragLayer;
 
@@ -402,15 +400,19 @@
                 finalScale *= containerScale;
             }
 
-            dragLayer.animateView(animateView, from, to, finalAlpha,
-                    1, 1, finalScale, finalScale, DROP_IN_ANIMATION_DURATION,
-                    Interpolators.DEACCEL_2, Interpolators.ACCEL_2,
-                    null, DragLayer.ANIMATION_END_DISAPPEAR, null);
+            final int finalIndex = index;
+            dragLayer.animateView(animateView, to, finalAlpha,
+                    finalScale, finalScale, DROP_IN_ANIMATION_DURATION,
+                    Interpolators.DEACCEL_2,
+                    () -> {
+                        mPreviewItemManager.hidePreviewItem(finalIndex, false);
+                        mFolder.showItem(item);
+                    }, 
+                    DragLayer.ANIMATION_END_DISAPPEAR, null);
 
             mFolder.hideItem(item);
 
             if (!itemAdded) mPreviewItemManager.hidePreviewItem(index, true);
-            final int finalIndex = index;
 
             FolderNameInfos nameInfos = new FolderNameInfos();
             if (FeatureFlags.FOLDER_NAME_SUGGEST.get()) {
@@ -430,8 +432,6 @@
     private void showFinalView(int finalIndex, final WorkspaceItemInfo item,
             FolderNameInfos nameInfos, InstanceId instanceId) {
         postDelayed(() -> {
-            mPreviewItemManager.hidePreviewItem(finalIndex, false);
-            mFolder.showItem(item);
             setLabelSuggestion(nameInfos, instanceId);
             invalidate();
         }, DROP_IN_ANIMATION_DURATION);
diff --git a/src/com/android/launcher3/folder/FolderPreviewItemAnim.java b/src/com/android/launcher3/folder/FolderPreviewItemAnim.java
index edfd2ba..e20bafb 100644
--- a/src/com/android/launcher3/folder/FolderPreviewItemAnim.java
+++ b/src/com/android/launcher3/folder/FolderPreviewItemAnim.java
@@ -45,7 +45,7 @@
             };
 
     private static final PreviewItemDrawingParams sTmpParams =
-            new PreviewItemDrawingParams(0, 0, 0, 0);
+            new PreviewItemDrawingParams(0, 0, 0);
     private static final float[] sTempParamsArray = new float[3];
 
     private final ObjectAnimator mAnimator;
diff --git a/src/com/android/launcher3/folder/PreviewItemDrawingParams.java b/src/com/android/launcher3/folder/PreviewItemDrawingParams.java
index 5746be8..58efdc1 100644
--- a/src/com/android/launcher3/folder/PreviewItemDrawingParams.java
+++ b/src/com/android/launcher3/folder/PreviewItemDrawingParams.java
@@ -27,17 +27,15 @@
     float transX;
     float transY;
     float scale;
-    float overlayAlpha;
     public FolderPreviewItemAnim anim;
     public boolean hidden;
     public Drawable drawable;
     public WorkspaceItemInfo item;
 
-    PreviewItemDrawingParams(float transX, float transY, float scale, float overlayAlpha) {
+    PreviewItemDrawingParams(float transX, float transY, float scale) {
         this.transX = transX;
         this.transY = transY;
         this.scale = scale;
-        this.overlayAlpha = overlayAlpha;
     }
 
     public void update(float transX, float transY, float scale) {
diff --git a/src/com/android/launcher3/folder/PreviewItemManager.java b/src/com/android/launcher3/folder/PreviewItemManager.java
index baafbc9..a6674fc 100644
--- a/src/com/android/launcher3/folder/PreviewItemManager.java
+++ b/src/com/android/launcher3/folder/PreviewItemManager.java
@@ -260,7 +260,7 @@
             params.remove(params.size() - 1);
         }
         while (items.size() > params.size()) {
-            params.add(new PreviewItemDrawingParams(0, 0, 0, 0));
+            params.add(new PreviewItemDrawingParams(0, 0, 0));
         }
 
         int numItemsInFirstPagePreview = page == 0 ? items.size() : MAX_NUM_ITEMS_IN_PREVIEW;
diff --git a/src/com/android/launcher3/graphics/LauncherPreviewRenderer.java b/src/com/android/launcher3/graphics/LauncherPreviewRenderer.java
index 952b850..a27d5c8 100644
--- a/src/com/android/launcher3/graphics/LauncherPreviewRenderer.java
+++ b/src/com/android/launcher3/graphics/LauncherPreviewRenderer.java
@@ -26,6 +26,7 @@
 
 import android.annotation.TargetApi;
 import android.app.Fragment;
+import android.appwidget.AppWidgetHost;
 import android.appwidget.AppWidgetHostView;
 import android.appwidget.AppWidgetProviderInfo;
 import android.content.Context;
@@ -83,7 +84,10 @@
 import com.android.launcher3.util.MainThreadInitializedObject;
 import com.android.launcher3.views.ActivityContext;
 import com.android.launcher3.views.BaseDragLayer;
+import com.android.launcher3.widget.BaseLauncherAppWidgetHostView;
+import com.android.launcher3.widget.LauncherAppWidgetHost;
 import com.android.launcher3.widget.LauncherAppWidgetProviderInfo;
+import com.android.launcher3.widget.NavigableAppWidgetHostView;
 import com.android.launcher3.widget.custom.CustomWidgetManager;
 
 import java.util.ArrayList;
@@ -201,6 +205,7 @@
     private final InsettableFrameLayout mRootView;
     private final Hotseat mHotseat;
     private final CellLayout mWorkspace;
+    private final AppWidgetHost mAppWidgetHost;
 
     public LauncherPreviewRenderer(Context context, InvariantDeviceProfile idp) {
         super(context);
@@ -254,6 +259,10 @@
                 mDp.workspacePadding.top,
                 mDp.workspacePadding.right + mDp.cellLayoutPaddingLeftRightPx,
                 mDp.workspacePadding.bottom);
+
+        mAppWidgetHost = FeatureFlags.WIDGETS_IN_LAUNCHER_PREVIEW.get()
+                ? new LauncherPreviewAppWidgetHost(context)
+                : null;
     }
 
     /** Populate preview and render it. */
@@ -353,9 +362,20 @@
 
     private void inflateAndAddWidgets(
             LauncherAppWidgetInfo info, LauncherAppWidgetProviderInfo providerInfo) {
-        AppWidgetHostView view = new AppWidgetHostView(mContext);
-        view.setAppWidget(-1, providerInfo);
-        view.updateAppWidget(null);
+        AppWidgetHostView view;
+        if (FeatureFlags.WIDGETS_IN_LAUNCHER_PREVIEW.get()) {
+            view = mAppWidgetHost.createView(mContext, info.appWidgetId, providerInfo);
+        } else {
+            view = new NavigableAppWidgetHostView(this) {
+                @Override
+                protected boolean shouldAllowDirectClick() {
+                    return false;
+                }
+            };
+            view.setAppWidget(-1, providerInfo);
+            view.updateAppWidget(null);
+        }
+
         view.setTag(info);
         addInScreenFromBind(view, info);
     }
@@ -471,4 +491,31 @@
         view.measure(makeMeasureSpec(width, EXACTLY), makeMeasureSpec(height, EXACTLY));
         view.layout(0, 0, width, height);
     }
+
+    private class LauncherPreviewAppWidgetHost extends AppWidgetHost {
+
+        private LauncherPreviewAppWidgetHost(Context context) {
+            super(context, LauncherAppWidgetHost.APPWIDGET_HOST_ID);
+        }
+
+        @Override
+        protected AppWidgetHostView onCreateView(
+                Context context,
+                int appWidgetId,
+                AppWidgetProviderInfo appWidget) {
+            return new LauncherPreviewAppWidgetHostView(LauncherPreviewRenderer.this);
+        }
+    }
+
+    private static class LauncherPreviewAppWidgetHostView extends BaseLauncherAppWidgetHostView {
+
+        private LauncherPreviewAppWidgetHostView(Context context) {
+            super(context);
+        }
+
+        @Override
+        protected boolean shouldAllowDirectClick() {
+            return false;
+        }
+    }
 }
diff --git a/src/com/android/launcher3/logging/StatsLogManager.java b/src/com/android/launcher3/logging/StatsLogManager.java
index 345a2ac..ddff338 100644
--- a/src/com/android/launcher3/logging/StatsLogManager.java
+++ b/src/com/android/launcher3/logging/StatsLogManager.java
@@ -479,7 +479,13 @@
         LAUNCHER_THEMED_ICON_ENABLED(836),
 
         @UiEvent(doc = "User disabled themed icons option in wallpaper & style settings.")
-        LAUNCHER_THEMED_ICON_DISABLED(837)
+        LAUNCHER_THEMED_ICON_DISABLED(837),
+
+        @UiEvent(doc = "User tapped on 'Turn on work apps' button in all apps window.")
+        LAUNCHER_TURN_ON_WORK_APPS_TAP(838),
+
+        @UiEvent(doc = "User tapped on 'Turn off work apps' button in all apps window.")
+        LAUNCHER_TURN_OFF_WORK_APPS_TAP(839)
         ;
 
         // ADD MORE
diff --git a/src/com/android/launcher3/model/LoaderTask.java b/src/com/android/launcher3/model/LoaderTask.java
index 34a21fe..d373cf4 100644
--- a/src/com/android/launcher3/model/LoaderTask.java
+++ b/src/com/android/launcher3/model/LoaderTask.java
@@ -28,6 +28,7 @@
 import static com.android.launcher3.util.PackageManagerHelper.hasShortcutsPermission;
 import static com.android.launcher3.util.PackageManagerHelper.isSystemApp;
 
+import android.annotation.SuppressLint;
 import android.appwidget.AppWidgetProviderInfo;
 import android.content.ComponentName;
 import android.content.ContentResolver;
@@ -40,6 +41,7 @@
 import android.content.pm.PackageInstaller.SessionInfo;
 import android.content.pm.PackageManager;
 import android.content.pm.ShortcutInfo;
+import android.graphics.Point;
 import android.net.Uri;
 import android.os.Bundle;
 import android.os.UserHandle;
@@ -50,6 +52,8 @@
 import android.util.LongSparseArray;
 import android.util.TimingLogger;
 
+import com.android.launcher3.DeviceProfile;
+import com.android.launcher3.InvariantDeviceProfile;
 import com.android.launcher3.LauncherAppState;
 import com.android.launcher3.LauncherModel;
 import com.android.launcher3.LauncherSettings;
@@ -756,6 +760,9 @@
                                 if (widgetProviderInfo != null
                                         && (appWidgetInfo.spanX < widgetProviderInfo.minSpanX
                                         || appWidgetInfo.spanY < widgetProviderInfo.minSpanY)) {
+                                    logDeleteWidgetInfo(mApp.getInvariantDeviceProfile(),
+                                            widgetProviderInfo);
+
                                     // This can happen when display size changes.
                                     c.markDeleted("Widget removed, min sizes not met: "
                                             + "span=" + appWidgetInfo.spanX + "x"
@@ -982,6 +989,51 @@
                 && (provider.provider.getPackageName() != null);
     }
 
+    @SuppressLint("NewApi") // Already added API check.
+    private static void logDeleteWidgetInfo(InvariantDeviceProfile idp,
+            LauncherAppWidgetProviderInfo widgetProviderInfo) {
+        FileLog.d(TAG, "Deleting " + widgetProviderInfo.getComponent()
+                + " due to min size constraint");
+        Point cellSize = new Point();
+        for (DeviceProfile deviceProfile : idp.supportedProfiles) {
+            deviceProfile.getCellSize(cellSize);
+            FileLog.d(TAG, "DeviceProfile available width: " + deviceProfile.availableWidthPx
+                    + ", available height: " + deviceProfile.availableHeightPx
+                    + ", cellLayoutBorderSpacingPx: " + deviceProfile.cellLayoutBorderSpacingPx
+                    + ", cellSize: " + cellSize);
+        }
+
+        StringBuilder widgetDimension = new StringBuilder();
+        widgetDimension.append("Widget dimensions:\n")
+                .append("minResizeWidth: ")
+                .append(widgetProviderInfo.minResizeWidth)
+                .append("\n")
+                .append("minResizeHeight: ")
+                .append(widgetProviderInfo.minResizeHeight)
+                .append("\n")
+                .append("defaultWidth: ")
+                .append(widgetProviderInfo.minWidth)
+                .append("\n")
+                .append("defaultHeight: ")
+                .append(widgetProviderInfo.minHeight)
+                .append("\n");
+        if (Utilities.ATLEAST_S) {
+            widgetDimension.append("targetCellWidth: ")
+                    .append(widgetProviderInfo.targetCellWidth)
+                    .append("\n")
+                    .append("targetCellHeight: ")
+                    .append(widgetProviderInfo.targetCellHeight)
+                    .append("\n")
+                    .append("maxResizeWidth: ")
+                    .append(widgetProviderInfo.maxResizeWidth)
+                    .append("\n")
+                    .append("maxResizeHeight: ")
+                    .append(widgetProviderInfo.maxResizeHeight)
+                    .append("\n");
+        }
+        FileLog.d(TAG, widgetDimension.toString());
+    }
+
     private static void logASplit(final TimingLogger logger, final String label) {
         logger.addSplit(label);
         if (DEBUG) {
diff --git a/src/com/android/launcher3/model/PackageUpdatedTask.java b/src/com/android/launcher3/model/PackageUpdatedTask.java
index 7bfa3ef..82b0f7c 100644
--- a/src/com/android/launcher3/model/PackageUpdatedTask.java
+++ b/src/com/android/launcher3/model/PackageUpdatedTask.java
@@ -29,6 +29,7 @@
 import android.os.UserManager;
 import android.util.Log;
 
+import com.android.launcher3.Launcher;
 import com.android.launcher3.LauncherAppState;
 import com.android.launcher3.LauncherSettings;
 import com.android.launcher3.LauncherSettings.Favorites;
@@ -123,6 +124,14 @@
                         activitiesLists.put(
                                 packages[i], appsList.updatePackage(context, packages[i], mUser));
                         app.getWidgetCache().removePackage(packages[i], mUser);
+
+                        // The update may have changed which shortcuts/widgets are available.
+                        // Refresh the widgets for the package if we have an activity running.
+                        Launcher launcher = Launcher.ACTIVITY_TRACKER.getCreatedActivity();
+                        if (launcher != null) {
+                            launcher.refreshAndBindWidgetsForPackageUser(
+                                    new PackageUserKey(packages[i], mUser));
+                        }
                     }
                 }
                 // Since package was just updated, the target must be available now.
@@ -212,7 +221,8 @@
                         }
 
                         if (si.isPromise() && isNewApkAvailable) {
-                            boolean isTargetValid = true;
+                            boolean isTargetValid = !cn.getClassName().equals(
+                                    IconCache.EMPTY_CLASS_NAME);
                             if (si.itemType == Favorites.ITEM_TYPE_DEEP_SHORTCUT) {
                                 List<ShortcutInfo> shortcut =
                                         new ShortcutRequest(context, mUser)
@@ -225,7 +235,7 @@
                                     si.updateFromDeepShortcutInfo(shortcut.get(0), context);
                                     infoUpdated = true;
                                 }
-                            } else if (!cn.getClassName().equals(IconCache.EMPTY_CLASS_NAME)) {
+                            } else if (isTargetValid) {
                                 isTargetValid = context.getSystemService(LauncherApps.class)
                                         .isActivityEnabled(cn, mUser);
                             }
diff --git a/src/com/android/launcher3/model/WidgetItem.java b/src/com/android/launcher3/model/WidgetItem.java
index 97071bb..7198d54 100644
--- a/src/com/android/launcher3/model/WidgetItem.java
+++ b/src/com/android/launcher3/model/WidgetItem.java
@@ -1,7 +1,11 @@
 package com.android.launcher3.model;
 
+import static com.android.launcher3.Utilities.ATLEAST_S;
+
+import android.annotation.SuppressLint;
 import android.content.pm.ActivityInfo;
 import android.content.pm.PackageManager;
+import android.content.res.Resources;
 
 import com.android.launcher3.InvariantDeviceProfile;
 import com.android.launcher3.Utilities;
@@ -59,4 +63,15 @@
         }
         return false;
     }
+
+    /** Returns whether this {@link WidgetItem} has a preview layout that can be used. */
+    @SuppressLint("NewApi") // Already added API check.
+    public boolean hasPreviewLayout() {
+        return ATLEAST_S && widgetInfo != null && widgetInfo.previewLayout != Resources.ID_NULL;
+    }
+
+    /** Returns whether this {@link WidgetItem} is for a shortcut rather than an app widget. */
+    public boolean isShortcut() {
+        return activityInfo != null;
+    }
 }
diff --git a/src/com/android/launcher3/popup/ArrowPopup.java b/src/com/android/launcher3/popup/ArrowPopup.java
index 2095a0d..cb35f74 100644
--- a/src/com/android/launcher3/popup/ArrowPopup.java
+++ b/src/com/android/launcher3/popup/ArrowPopup.java
@@ -252,9 +252,9 @@
                         view.setBackgroundResource(R.drawable.single_item_primary);
                     } else if (totalVisibleShortcuts > 1) {
                         if (numVisibleShortcut == 0) {
-                            view.setBackground(mRoundedTop);
+                            view.setBackground(mRoundedTop.getConstantState().newDrawable());
                         } else if (numVisibleShortcut == (totalVisibleShortcuts - 1)) {
-                            view.setBackground(mRoundedBottom);
+                            view.setBackground(mRoundedBottom.getConstantState().newDrawable());
                         } else {
                             view.setBackgroundResource(R.drawable.middle_item_primary);
                         }
diff --git a/src/com/android/launcher3/shortcuts/DeepShortcutView.java b/src/com/android/launcher3/shortcuts/DeepShortcutView.java
index cc658c9..71d288c 100644
--- a/src/com/android/launcher3/shortcuts/DeepShortcutView.java
+++ b/src/com/android/launcher3/shortcuts/DeepShortcutView.java
@@ -18,7 +18,13 @@
 
 import android.content.Context;
 import android.content.pm.ShortcutInfo;
+import android.content.res.ColorStateList;
+import android.graphics.Color;
 import android.graphics.Point;
+import android.graphics.drawable.ColorDrawable;
+import android.graphics.drawable.Drawable;
+import android.graphics.drawable.GradientDrawable;
+import android.graphics.drawable.RippleDrawable;
 import android.text.TextUtils;
 import android.util.AttributeSet;
 import android.view.View;
@@ -30,16 +36,20 @@
 import com.android.launcher3.Utilities;
 import com.android.launcher3.model.data.WorkspaceItemInfo;
 import com.android.launcher3.popup.PopupContainerWithArrow;
+import com.android.launcher3.util.Themes;
 import com.android.launcher3.views.BubbleTextHolder;
 
 /**
- * A {@link android.widget.FrameLayout} that contains a {@link DeepShortcutView}.
- * This lets us animate the DeepShortcutView (icon and text) separately from the background.
+ * A {@link android.widget.FrameLayout} that contains an icon and a {@link BubbleTextView} for text.
+ * This lets us animate the child BubbleTextView's background (transparent ripple) separately from
+ * the {@link DeepShortcutView} background color.
  */
 public class DeepShortcutView extends FrameLayout implements BubbleTextHolder {
 
     private static final Point sTempPoint = new Point();
 
+    private final Drawable mTransparentDrawable = new ColorDrawable(Color.TRANSPARENT);
+
     private BubbleTextView mBubbleText;
     private View mIconView;
 
@@ -63,6 +73,43 @@
         super.onFinishInflate();
         mBubbleText = findViewById(R.id.bubble_text);
         mIconView = findViewById(R.id.icon);
+        tryUpdateTextBackground();
+    }
+
+    @Override
+    public void setBackground(Drawable background) {
+        super.setBackground(background);
+        tryUpdateTextBackground();
+    }
+
+    @Override
+    public void setBackgroundResource(int resid) {
+        super.setBackgroundResource(resid);
+        tryUpdateTextBackground();
+    }
+
+    /**
+     * Updates the text background to match the shape of this background (when applicable).
+     */
+    private void tryUpdateTextBackground() {
+        if (!(getBackground() instanceof GradientDrawable) || mBubbleText == null) {
+            return;
+        }
+        GradientDrawable background = (GradientDrawable) getBackground();
+
+        int color = Themes.getAttrColor(getContext(), android.R.attr.colorControlHighlight);
+        GradientDrawable backgroundMask = new GradientDrawable();
+        backgroundMask.setColor(color);
+        backgroundMask.setShape(GradientDrawable.RECTANGLE);
+        if (background.getCornerRadii() != null) {
+            backgroundMask.setCornerRadii(background.getCornerRadii());
+        } else {
+            backgroundMask.setCornerRadius(background.getCornerRadius());
+        }
+
+        RippleDrawable drawable = new RippleDrawable(ColorStateList.valueOf(color),
+                mTransparentDrawable, backgroundMask);
+        mBubbleText.setBackground(drawable);
     }
 
     @Override
diff --git a/src/com/android/launcher3/touch/AbstractStateChangeTouchController.java b/src/com/android/launcher3/touch/AbstractStateChangeTouchController.java
index a086635..90f37f3 100644
--- a/src/com/android/launcher3/touch/AbstractStateChangeTouchController.java
+++ b/src/com/android/launcher3/touch/AbstractStateChangeTouchController.java
@@ -335,12 +335,10 @@
         mCurrentAnimation.dispatchOnStart();
         if (targetState == LauncherState.ALL_APPS && !UNSTABLE_SPRINGS.get()) {
             if (mAllAppsOvershootStarted) {
-
                 mLauncher.getAppsView().onRelease();
                 mAllAppsOvershootStarted = false;
-
             } else {
-                mLauncher.getAppsView().addSpringFromFlingUpdateListener(anim, velocity);
+                mLauncher.getAppsView().addSpringFromFlingUpdateListener(anim, velocity, progress);
             }
         }
         anim.start();
diff --git a/src/com/android/launcher3/util/FlingAnimation.java b/src/com/android/launcher3/util/FlingAnimation.java
index c9aa51c..ac864e9 100644
--- a/src/com/android/launcher3/util/FlingAnimation.java
+++ b/src/com/android/launcher3/util/FlingAnimation.java
@@ -1,12 +1,14 @@
 package com.android.launcher3.util;
 
 import static com.android.launcher3.LauncherState.NORMAL;
+import static com.android.launcher3.anim.AnimatorListeners.forEndCallback;
 
 import android.animation.TimeInterpolator;
 import android.animation.ValueAnimator;
 import android.animation.ValueAnimator.AnimatorUpdateListener;
 import android.graphics.PointF;
 import android.graphics.Rect;
+import android.graphics.RectF;
 import android.view.animation.AnimationUtils;
 import android.view.animation.DecelerateInterpolator;
 
@@ -35,7 +37,7 @@
     protected final float mUX, mUY;
 
     protected Rect mIconRect;
-    protected Rect mFrom;
+    protected RectF mFrom;
     protected int mDuration;
     protected float mAnimationTimeFraction;
 
@@ -55,17 +57,17 @@
     @Override
     public void run() {
         mIconRect = mDropTarget.getIconRect(mDragObject);
+        mDragObject.dragView.cancelAnimation();
+        mDragObject.dragView.requestLayout();
 
         // Initiate from
-        mFrom = new Rect();
-        mDragLayer.getViewRectRelativeToSelf(mDragObject.dragView, mFrom);
-        float scale = mDragObject.dragView.getScaleX();
-        float xOffset = ((scale - 1f) * mDragObject.dragView.getMeasuredWidth()) / 2f;
-        float yOffset = ((scale - 1f) * mDragObject.dragView.getMeasuredHeight()) / 2f;
-        mFrom.left += xOffset;
-        mFrom.right -= xOffset;
-        mFrom.top += yOffset;
-        mFrom.bottom -= yOffset;
+        Rect from = new Rect();
+        mDragLayer.getViewRectRelativeToSelf(mDragObject.dragView, from);
+
+        mFrom = new RectF(from);
+        mFrom.inset(
+                ((1 - mDragObject.dragView.getScaleX()) * from.width()) / 2f,
+                ((1 - mDragObject.dragView.getScaleY()) * from.height()) / 2f);
         mDuration = Math.abs(mUY) > Math.abs(mUX) ? initFlingUpDuration() : initFlingLeftDuration();
 
         mAnimationTimeFraction = ((float) mDuration) / (mDuration + DRAG_END_DELAY);
@@ -95,17 +97,15 @@
             }
         };
 
-        Runnable onAnimationEndRunnable = new Runnable() {
-            @Override
-            public void run() {
-                mLauncher.getStateManager().goToState(NORMAL);
-                mDropTarget.completeDrop(mDragObject);
-            }
-        };
-
         mDropTarget.onDrop(mDragObject, mDragOptions);
-        mDragLayer.animateView(mDragObject.dragView, this, duration, tInterpolator,
-                onAnimationEndRunnable, DragLayer.ANIMATION_END_DISAPPEAR, null);
+        ValueAnimator anim = ValueAnimator.ofFloat(0, 1);
+        anim.setDuration(duration).setInterpolator(tInterpolator);
+        anim.addUpdateListener(this);
+        anim.addListener(forEndCallback(() -> {
+            mLauncher.getStateManager().goToState(NORMAL);
+            mDropTarget.completeDrop(mDragObject);
+        }));
+        mDragLayer.playDropAnimation(mDragObject.dragView, anim, DragLayer.ANIMATION_END_DISAPPEAR);
     }
 
     /**
@@ -129,7 +129,7 @@
         }
         double t = (-mUY - Math.sqrt(d)) / mAY;
 
-        float sX = -mFrom.exactCenterX() + mIconRect.exactCenterX();
+        float sX = -mFrom.centerX() + mIconRect.exactCenterX();
 
         // Find horizontal acceleration such that: u*t + a*t*t/2 = s
         mAX = (float) ((sX - t * mUX) * 2 / (t * t));
@@ -157,7 +157,7 @@
         }
         double t = (-mUX - Math.sqrt(d)) / mAX;
 
-        float sY = -mFrom.exactCenterY() + mIconRect.exactCenterY();
+        float sY = -mFrom.centerY() + mIconRect.exactCenterY();
 
         // Find vertical acceleration such that: u*t + a*t*t/2 = s
         mAY = (float) ((sY - t * mUY) * 2 / (t * t));
diff --git a/src/com/android/launcher3/util/OnboardingPrefs.java b/src/com/android/launcher3/util/OnboardingPrefs.java
index 2e279fa..c395d6c 100644
--- a/src/com/android/launcher3/util/OnboardingPrefs.java
+++ b/src/com/android/launcher3/util/OnboardingPrefs.java
@@ -37,6 +37,7 @@
     public static final String HOTSEAT_DISCOVERY_TIP_COUNT = "launcher.hotseat_discovery_tip_count";
     public static final String HOTSEAT_LONGPRESS_TIP_SEEN = "launcher.hotseat_longpress_tip_seen";
     public static final String SEARCH_EDU_SEEN = "launcher.search_edu";
+    public static final String SEARCH_SNACKBAR_COUNT = "launcher.keyboard_snackbar_count";
 
     /**
      * Events that either have happened or have not (booleans).
@@ -47,23 +48,28 @@
             SEARCH_EDU_SEEN
     })
     @Retention(RetentionPolicy.SOURCE)
-    public @interface EventBoolKey {}
+    public @interface EventBoolKey {
+    }
 
     /**
      * Events that occur multiple times, which we count up to a max defined in {@link #MAX_COUNTS}.
      */
     @StringDef(value = {
             HOME_BOUNCE_COUNT,
-            HOTSEAT_DISCOVERY_TIP_COUNT
+            HOTSEAT_DISCOVERY_TIP_COUNT,
+            SEARCH_SNACKBAR_COUNT
     })
     @Retention(RetentionPolicy.SOURCE)
-    public @interface EventCountKey {}
+    public @interface EventCountKey {
+    }
 
     private static final Map<String, Integer> MAX_COUNTS;
+
     static {
         Map<String, Integer> maxCounts = new ArrayMap<>(4);
         maxCounts.put(HOME_BOUNCE_COUNT, 3);
         maxCounts.put(HOTSEAT_DISCOVERY_TIP_COUNT, 5);
+        maxCounts.put(SEARCH_SNACKBAR_COUNT, 3);
         MAX_COUNTS = Collections.unmodifiableMap(maxCounts);
     }
 
@@ -103,6 +109,7 @@
 
     /**
      * Add 1 to the given event count, if we haven't already reached the max count.
+     *
      * @return Whether we have now reached the max count.
      */
     public boolean incrementEventCount(@EventCountKey String eventKey) {
diff --git a/src/com/android/launcher3/util/UiThreadHelper.java b/src/com/android/launcher3/util/UiThreadHelper.java
index cb721e6..0f40179 100644
--- a/src/com/android/launcher3/util/UiThreadHelper.java
+++ b/src/com/android/launcher3/util/UiThreadHelper.java
@@ -21,6 +21,7 @@
 import android.annotation.SuppressLint;
 import android.app.Activity;
 import android.content.Context;
+import android.os.Bundle;
 import android.os.Handler;
 import android.os.IBinder;
 import android.os.Message;
@@ -42,15 +43,30 @@
     private static final int MSG_HIDE_KEYBOARD = 1;
     private static final int MSG_SET_ORIENTATION = 2;
     private static final int MSG_RUN_COMMAND = 3;
+    private static final String STATS_LOGGER_KEY = "STATS_LOGGER_KEY";
 
     @SuppressLint("NewApi")
     public static void hideKeyboardAsync(ActivityContext activityContext, IBinder token) {
         View root = activityContext.getDragLayer();
 
-        Message.obtain(HANDLER.get(root.getContext()),
-                MSG_HIDE_KEYBOARD, token).sendToTarget();
-        Launcher.cast(activityContext).getStatsLogManager().logger().log(
-                LAUNCHER_ALLAPPS_KEYBOARD_CLOSED);
+        // Since the launcher context cannot be accessed directly from callback, adding secondary
+        // message to log keyboard close event asynchronously.
+        Bundle mHideKeyboardLoggerMsg = new Bundle();
+        mHideKeyboardLoggerMsg.putParcelable(
+                STATS_LOGGER_KEY,
+                Message.obtain(
+                        HANDLER.get(root.getContext()),
+                        () -> Launcher.cast(activityContext)
+                                .getStatsLogManager()
+                                .logger()
+                                .log(LAUNCHER_ALLAPPS_KEYBOARD_CLOSED)
+                )
+        );
+
+        Message mHideKeyboardMsg = Message.obtain(HANDLER.get(root.getContext()), MSG_HIDE_KEYBOARD,
+                token);
+        mHideKeyboardMsg.setData(mHideKeyboardLoggerMsg);
+        mHideKeyboardMsg.sendToTarget();
     }
 
     public static void setOrientationAsync(Activity activity, int orientation) {
@@ -81,7 +97,11 @@
         public boolean handleMessage(Message message) {
             switch (message.what) {
                 case MSG_HIDE_KEYBOARD:
-                    mIMM.hideSoftInputFromWindow((IBinder) message.obj, 0);
+                    if (mIMM.hideSoftInputFromWindow((IBinder) message.obj, 0)) {
+                        // log keyboard close event only when keyboard is actually closed
+                        ((Message) message.getData().getParcelable(STATS_LOGGER_KEY))
+                                .sendToTarget();
+                    }
                     return true;
                 case MSG_SET_ORIENTATION:
                     ((Activity) message.obj).setRequestedOrientation(message.arg1);
diff --git a/src/com/android/launcher3/views/BaseDragLayer.java b/src/com/android/launcher3/views/BaseDragLayer.java
index 01c0b56..76dfb3c 100644
--- a/src/com/android/launcher3/views/BaseDragLayer.java
+++ b/src/com/android/launcher3/views/BaseDragLayer.java
@@ -430,18 +430,20 @@
     }
 
     public void getViewRectRelativeToSelf(View v, Rect r) {
+        int[] loc = getViewLocationRelativeToSelf(v);
+        r.set(loc[0], loc[1], loc[0] + v.getMeasuredWidth(), loc[1] + v.getMeasuredHeight());
+    }
+
+    protected int[] getViewLocationRelativeToSelf(View v) {
         int[] loc = new int[2];
         getLocationInWindow(loc);
         int x = loc[0];
         int y = loc[1];
 
         v.getLocationInWindow(loc);
-        int vX = loc[0];
-        int vY = loc[1];
-
-        int left = vX - x;
-        int top = vY - y;
-        r.set(left, top, left + v.getMeasuredWidth(), top + v.getMeasuredHeight());
+        loc[0] -= x;
+        loc[1] -= y;
+        return loc;
     }
 
     @Override
diff --git a/src/com/android/launcher3/views/SpringRelativeLayout.java b/src/com/android/launcher3/views/SpringRelativeLayout.java
index 8e3ac20..8f814a1 100644
--- a/src/com/android/launcher3/views/SpringRelativeLayout.java
+++ b/src/com/android/launcher3/views/SpringRelativeLayout.java
@@ -108,8 +108,6 @@
             switch (direction) {
                 case DIRECTION_TOP:
                     return new EdgeEffectProxy(getContext(), mEdgeGlowTop);
-                case DIRECTION_BOTTOM:
-                    return new EdgeEffectProxy(getContext(), mEdgeGlowBottom);
             }
             return super.createEdgeEffect(view, direction);
         }
diff --git a/src/com/android/launcher3/widget/BaseLauncherAppWidgetHostView.java b/src/com/android/launcher3/widget/BaseLauncherAppWidgetHostView.java
new file mode 100644
index 0000000..2742882
--- /dev/null
+++ b/src/com/android/launcher3/widget/BaseLauncherAppWidgetHostView.java
@@ -0,0 +1,119 @@
+/*
+ * Copyright (C) 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.launcher3.widget;
+
+import android.content.Context;
+import android.graphics.Outline;
+import android.graphics.Rect;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewOutlineProvider;
+import android.widget.RemoteViews;
+
+import androidx.annotation.UiThread;
+
+import com.android.launcher3.R;
+import com.android.launcher3.util.Executors;
+
+/**
+ * Launcher AppWidgetHostView with support for rounded corners and a fallback View.
+ */
+public abstract class BaseLauncherAppWidgetHostView extends NavigableAppWidgetHostView {
+
+    protected final LayoutInflater mInflater;
+
+    private final Rect mEnforcedRectangle = new Rect();
+    private final float mEnforcedCornerRadius;
+    private final ViewOutlineProvider mCornerRadiusEnforcementOutline = new ViewOutlineProvider() {
+        @Override
+        public void getOutline(View view, Outline outline) {
+            if (mEnforcedRectangle.isEmpty() || mEnforcedCornerRadius <= 0) {
+                outline.setEmpty();
+            } else {
+                outline.setRoundRect(mEnforcedRectangle, mEnforcedCornerRadius);
+            }
+        }
+    };
+
+    public BaseLauncherAppWidgetHostView(Context context) {
+        super(context);
+
+        setExecutor(Executors.THREAD_POOL_EXECUTOR);
+
+        mInflater = LayoutInflater.from(context);
+        mEnforcedCornerRadius = RoundedCornerEnforcement.computeEnforcedRadius(getContext());
+    }
+
+    @Override
+    protected View getErrorView() {
+        return mInflater.inflate(R.layout.appwidget_error, this, false);
+    }
+
+    /**
+     * Fall back to error layout instead of showing widget.
+     */
+    public void switchToErrorView() {
+        // Update the widget with 0 Layout id, to reset the view to error view.
+        updateAppWidget(new RemoteViews(getAppWidgetInfo().provider.getPackageName(), 0));
+    }
+
+    @Override
+    protected void onLayout(boolean changed, int left, int top, int right, int bottom) {
+        try {
+            super.onLayout(changed, left, top, right, bottom);
+        } catch (final RuntimeException e) {
+            post(this::switchToErrorView);
+        }
+
+        enforceRoundedCorners();
+    }
+
+    @UiThread
+    private void resetRoundedCorners() {
+        setOutlineProvider(ViewOutlineProvider.BACKGROUND);
+        setClipToOutline(false);
+    }
+
+    @UiThread
+    private void enforceRoundedCorners() {
+        if (mEnforcedCornerRadius <= 0 || !RoundedCornerEnforcement.isRoundedCornerEnabled()) {
+            resetRoundedCorners();
+            return;
+        }
+        View background = RoundedCornerEnforcement.findBackground(this);
+        if (background == null
+                || RoundedCornerEnforcement.hasAppWidgetOptedOut(this, background)) {
+            resetRoundedCorners();
+            return;
+        }
+        RoundedCornerEnforcement.computeRoundedRectangle(this,
+                background,
+                mEnforcedRectangle);
+        setOutlineProvider(mCornerRadiusEnforcementOutline);
+        setClipToOutline(true);
+    }
+
+    /** Returns the corner radius currently enforced, in pixels. */
+    public float getEnforcedCornerRadius() {
+        return mEnforcedCornerRadius;
+    }
+
+    /** Returns true if the corner radius are enforced for this App Widget. */
+    public boolean hasEnforcedCornerRadius() {
+        return getClipToOutline();
+    }
+}
diff --git a/src/com/android/launcher3/widget/CachingWidgetPreviewLoader.java b/src/com/android/launcher3/widget/CachingWidgetPreviewLoader.java
new file mode 100644
index 0000000..afceadd
--- /dev/null
+++ b/src/com/android/launcher3/widget/CachingWidgetPreviewLoader.java
@@ -0,0 +1,289 @@
+/*
+ * Copyright (C) 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.android.launcher3.widget;
+
+import android.graphics.Bitmap;
+import android.os.CancellationSignal;
+import android.util.Size;
+
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+import androidx.annotation.UiThread;
+import androidx.collection.ArrayMap;
+import androidx.collection.ArraySet;
+
+import com.android.launcher3.BaseActivity;
+import com.android.launcher3.model.WidgetItem;
+import com.android.launcher3.util.ComponentKey;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+import java.util.stream.Collectors;
+
+/** Wrapper around {@link DatabaseWidgetPreviewLoader} that contains caching logic. */
+public class CachingWidgetPreviewLoader implements WidgetPreviewLoader {
+
+    @NonNull private final WidgetPreviewLoader mDelegate;
+    @NonNull private final Map<ComponentKey, Map<Size, CacheResult>> mCache = new ArrayMap<>();
+
+    public CachingWidgetPreviewLoader(@NonNull WidgetPreviewLoader delegate) {
+        mDelegate = delegate;
+    }
+
+    /** Returns whether the preview is loaded for the item and size. */
+    public boolean isPreviewLoaded(@NonNull WidgetItem item, @NonNull Size previewSize) {
+        return getPreview(item, previewSize) != null;
+    }
+
+    /** Returns the cached preview for the item and size, or null if there is none. */
+    @Nullable
+    public Bitmap getPreview(@NonNull WidgetItem item, @NonNull Size previewSize) {
+        CacheResult cacheResult = getCacheResult(item, previewSize);
+        if (cacheResult instanceof CacheResult.Loaded) {
+            return ((CacheResult.Loaded) cacheResult).mBitmap;
+        } else {
+            return null;
+        }
+    }
+
+    @NonNull
+    private CacheResult getCacheResult(@NonNull WidgetItem item, @NonNull Size previewSize) {
+        synchronized (mCache) {
+            Map<Size, CacheResult> cacheResults = mCache.get(toComponentKey(item));
+            if (cacheResults == null) {
+                return CacheResult.MISS;
+            }
+
+            return cacheResults.getOrDefault(previewSize, CacheResult.MISS);
+        }
+    }
+
+    /**
+     * Puts the result in the cache for the item and size. Returns the value previously in the
+     * cache, or null if there was none.
+     */
+    @Nullable
+    private CacheResult putCacheResult(
+            @NonNull WidgetItem item,
+            @NonNull Size previewSize,
+            @Nullable CacheResult cacheResult) {
+        ComponentKey key = toComponentKey(item);
+        synchronized (mCache) {
+            Map<Size, CacheResult> cacheResults = mCache.getOrDefault(key, new ArrayMap<>());
+            CacheResult previous;
+            if (cacheResult == null) {
+                previous = cacheResults.remove(previewSize);
+                if (cacheResults.isEmpty()) {
+                    mCache.remove(key);
+                } else {
+                    previous = cacheResults.put(previewSize, cacheResult);
+                    mCache.put(key, cacheResults);
+                }
+            } else {
+                previous = cacheResults.put(previewSize, cacheResult);
+                mCache.put(key, cacheResults);
+            }
+            return previous;
+        }
+    }
+
+    private void removeCacheResult(@NonNull WidgetItem item, @NonNull Size previewSize) {
+        ComponentKey key = toComponentKey(item);
+        synchronized (mCache) {
+            Map<Size, CacheResult> cacheResults = mCache.getOrDefault(key, new ArrayMap<>());
+            cacheResults.remove(previewSize);
+            mCache.put(key, cacheResults);
+        }
+    }
+
+    /**
+     * Gets the preview for the widget item and size, using the value in the cache if stored.
+     *
+     * @return a {@link CancellationSignal}, which can cancel the request before it loads
+     */
+    @Override
+    @UiThread
+    @NonNull
+    public CancellationSignal loadPreview(
+            @NonNull BaseActivity activity, @NonNull WidgetItem item, @NonNull Size previewSize,
+            @NonNull WidgetPreviewLoadedCallback callback) {
+        CancellationSignal signal = new CancellationSignal();
+        signal.setOnCancelListener(() -> {
+            synchronized (mCache) {
+                CacheResult cacheResult = getCacheResult(item, previewSize);
+                if (!(cacheResult instanceof CacheResult.Loading)) {
+                    // If the key isn't actively loading, then this is a no-op. Cancelling loading
+                    // shouldn't clear the cache if we've already loaded.
+                    return;
+                }
+
+                CacheResult.Loading prev = (CacheResult.Loading) cacheResult;
+                CacheResult.Loading updated = prev.withoutCallback(callback);
+
+                if (updated.mCallbacks.isEmpty()) {
+                    // If the last callback was removed, then cancel the underlying request in the
+                    // delegate.
+                    prev.mCancellationSignal.cancel();
+                    removeCacheResult(item, previewSize);
+                } else {
+                    // If there are other callbacks still active, then don't cancel the delegate's
+                    // request, just remove this callback from the set.
+                    putCacheResult(item, previewSize, updated);
+                }
+            }
+        });
+
+        synchronized (mCache) {
+            CacheResult cacheResult = getCacheResult(item, previewSize);
+            if (cacheResult instanceof CacheResult.Loaded) {
+                // If the bitmap is already present in the cache, invoke the callback immediately.
+                callback.onPreviewLoaded(((CacheResult.Loaded) cacheResult).mBitmap);
+                return signal;
+            }
+
+            if (cacheResult instanceof CacheResult.Loading) {
+                // If we're already loading the preview for this key, then just add the callback
+                // to the set we'll call after it loads.
+                CacheResult.Loading prev = (CacheResult.Loading) cacheResult;
+                putCacheResult(item, previewSize, prev.withCallback(callback));
+                return signal;
+            }
+
+            CancellationSignal delegateCancellationSignal =
+                    mDelegate.loadPreview(
+                            activity,
+                            item,
+                            previewSize,
+                            preview -> {
+                                CacheResult prev;
+                                synchronized (mCache) {
+                                    prev = putCacheResult(
+                                            item, previewSize, new CacheResult.Loaded(preview));
+                                }
+                                if (prev instanceof CacheResult.Loading) {
+                                    // Notify each stored callback that the preview has loaded.
+                                    ((CacheResult.Loading) prev).mCallbacks
+                                            .forEach(c -> c.onPreviewLoaded(preview));
+                                } else {
+                                    // If there isn't a loading object in the cache, then we were
+                                    // notified before adding this signal to the cache. Just
+                                    // call back to the provided callback, there can't be others.
+                                    callback.onPreviewLoaded(preview);
+                                }
+                            });
+            ArraySet<WidgetPreviewLoadedCallback> callbacks = new ArraySet<>();
+            callbacks.add(callback);
+            putCacheResult(
+                    item,
+                    previewSize,
+                    new CacheResult.Loading(delegateCancellationSignal, callbacks));
+        }
+
+        return signal;
+    }
+
+    /** Clears all cached previews for {@code items}, cancelling any in-progress preview loading. */
+    public void clearPreviews(Iterable<WidgetItem> items) {
+        List<CacheResult> previousCacheResults = new ArrayList<>();
+        synchronized (mCache) {
+            for (WidgetItem item : items) {
+                Map<Size, CacheResult> previousMap = mCache.remove(toComponentKey(item));
+                if (previousMap != null) {
+                    previousCacheResults.addAll(previousMap.values());
+                }
+            }
+        }
+
+        for (CacheResult previousCacheResult : previousCacheResults) {
+            if (previousCacheResult instanceof CacheResult.Loading) {
+                ((CacheResult.Loading) previousCacheResult).mCancellationSignal.cancel();
+            }
+        }
+    }
+
+    /** Clears all cached previews, cancelling any in-progress preview loading. */
+    public void clearAll() {
+        List<CacheResult> previousCacheResults;
+        synchronized (mCache) {
+            previousCacheResults =
+                    mCache
+                    .values()
+                    .stream()
+                    .flatMap(sizeToResult -> sizeToResult.values().stream())
+                    .collect(Collectors.toList());
+            mCache.clear();
+        }
+
+        for (CacheResult previousCacheResult : previousCacheResults) {
+            if (previousCacheResult instanceof CacheResult.Loading) {
+                ((CacheResult.Loading) previousCacheResult).mCancellationSignal.cancel();
+            }
+        }
+    }
+
+    private abstract static class CacheResult {
+        static final CacheResult MISS = new CacheResult() {};
+
+        static final class Loading extends CacheResult {
+            @NonNull final CancellationSignal mCancellationSignal;
+            @NonNull final Set<WidgetPreviewLoadedCallback> mCallbacks;
+
+            Loading(@NonNull CancellationSignal cancellationSignal,
+                    @NonNull Set<WidgetPreviewLoadedCallback> callbacks) {
+                mCancellationSignal = cancellationSignal;
+                mCallbacks = callbacks;
+            }
+
+            @NonNull
+            Loading withCallback(@NonNull WidgetPreviewLoadedCallback callback) {
+                if (mCallbacks.contains(callback)) return this;
+                Set<WidgetPreviewLoadedCallback> newCallbacks =
+                        new ArraySet<>(mCallbacks.size() + 1);
+                newCallbacks.addAll(mCallbacks);
+                newCallbacks.add(callback);
+                return new Loading(mCancellationSignal, newCallbacks);
+            }
+
+            @NonNull
+            Loading withoutCallback(@NonNull WidgetPreviewLoadedCallback callback) {
+                if (!mCallbacks.contains(callback)) return this;
+                Set<WidgetPreviewLoadedCallback> newCallbacks =
+                        new ArraySet<>(mCallbacks.size() - 1);
+                for (WidgetPreviewLoadedCallback existingCallback : mCallbacks) {
+                    if (!existingCallback.equals(callback)) {
+                        newCallbacks.add(existingCallback);
+                    }
+                }
+                return new Loading(mCancellationSignal, newCallbacks);
+            }
+        }
+
+        static final class Loaded extends CacheResult {
+            @NonNull final Bitmap mBitmap;
+
+            Loaded(@NonNull Bitmap bitmap) {
+                mBitmap = bitmap;
+            }
+        }
+    }
+
+    @NonNull
+    private static ComponentKey toComponentKey(@NonNull WidgetItem item) {
+        return new ComponentKey(item.componentName, item.user);
+    }
+}
diff --git a/src/com/android/launcher3/WidgetPreviewLoader.java b/src/com/android/launcher3/widget/DatabaseWidgetPreviewLoader.java
similarity index 86%
rename from src/com/android/launcher3/WidgetPreviewLoader.java
rename to src/com/android/launcher3/widget/DatabaseWidgetPreviewLoader.java
index ff3584a..6de3e11 100644
--- a/src/com/android/launcher3/WidgetPreviewLoader.java
+++ b/src/com/android/launcher3/widget/DatabaseWidgetPreviewLoader.java
@@ -1,4 +1,19 @@
-package com.android.launcher3;
+/*
+ * Copyright (C) 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.android.launcher3.widget;
 
 import static com.android.launcher3.util.Executors.MAIN_EXECUTOR;
 import static com.android.launcher3.util.Executors.MODEL_EXECUTOR;
@@ -32,8 +47,14 @@
 import android.util.Pair;
 import android.util.Size;
 
+import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
 
+import com.android.launcher3.BaseActivity;
+import com.android.launcher3.DeviceProfile;
+import com.android.launcher3.LauncherFiles;
+import com.android.launcher3.R;
+import com.android.launcher3.Utilities;
 import com.android.launcher3.icons.GraphicsUtils;
 import com.android.launcher3.icons.IconCache;
 import com.android.launcher3.icons.LauncherIcons;
@@ -47,9 +68,6 @@
 import com.android.launcher3.util.Preconditions;
 import com.android.launcher3.util.SQLiteCacheHelper;
 import com.android.launcher3.util.Thunk;
-import com.android.launcher3.widget.LauncherAppWidgetProviderInfo;
-import com.android.launcher3.widget.WidgetCell;
-import com.android.launcher3.widget.WidgetManagerHelper;
 import com.android.launcher3.widget.util.WidgetSizes;
 
 import java.util.ArrayList;
@@ -60,7 +78,8 @@
 import java.util.WeakHashMap;
 import java.util.concurrent.ExecutionException;
 
-public class WidgetPreviewLoader {
+/** {@link WidgetPreviewLoader} that loads preview images from a {@link CacheDb}. */
+public class DatabaseWidgetPreviewLoader implements WidgetPreviewLoader {
 
     private static final String TAG = "WidgetPreviewLoader";
     private static final boolean DEBUG = false;
@@ -80,7 +99,7 @@
     private final UserCache mUserCache;
     private final CacheDb mDb;
 
-    public WidgetPreviewLoader(Context context, IconCache iconCache) {
+    public DatabaseWidgetPreviewLoader(Context context, IconCache iconCache) {
         mContext = context;
         mIconCache = iconCache;
         mUserCache = UserCache.INSTANCE.get(context);
@@ -89,16 +108,24 @@
 
     /**
      * Generates the widget preview on {@link AsyncTask#THREAD_POOL_EXECUTOR}. Must be
-     * called on UI thread
+     * called on UI thread.
      *
      * @return a request id which can be used to cancel the request.
      */
-    public CancellationSignal getPreview(WidgetItem item, int previewWidth,
-            int previewHeight, WidgetCell caller) {
+    @Override
+    @NonNull
+    public CancellationSignal loadPreview(
+            @NonNull BaseActivity activity,
+            @NonNull WidgetItem item,
+            @NonNull Size previewSize,
+            @NonNull WidgetPreviewLoadedCallback callback) {
+        int previewWidth = previewSize.getWidth();
+        int previewHeight = previewSize.getHeight();
         String size = previewWidth + "x" + previewHeight;
         WidgetCacheKey key = new WidgetCacheKey(item.componentName, item.user, size);
 
-        PreviewLoadTask task = new PreviewLoadTask(key, item, previewWidth, previewHeight, caller);
+        PreviewLoadTask task =
+                new PreviewLoadTask(activity, key, item, previewWidth, previewHeight, callback);
         task.executeOnExecutor(Executors.THREAD_POOL_EXECUTOR);
 
         CancellationSignal signal = new CancellationSignal();
@@ -106,6 +133,7 @@
         return signal;
     }
 
+    /** Clears the database storing previews. */
     public void refresh() {
         mDb.clear();
     }
@@ -126,21 +154,37 @@
         private static final String COLUMN_VERSION = "version";
         private static final String COLUMN_PREVIEW_BITMAP = "preview_bitmap";
 
-        public CacheDb(Context context) {
+        CacheDb(Context context) {
             super(context, LauncherFiles.WIDGET_PREVIEWS_DB, DB_VERSION, TABLE_NAME);
         }
 
         @Override
         public void onCreateTable(SQLiteDatabase database) {
-            database.execSQL("CREATE TABLE IF NOT EXISTS " + TABLE_NAME + " (" +
-                    COLUMN_COMPONENT + " TEXT NOT NULL, " +
-                    COLUMN_USER + " INTEGER NOT NULL, " +
-                    COLUMN_SIZE + " TEXT NOT NULL, " +
-                    COLUMN_PACKAGE + " TEXT NOT NULL, " +
-                    COLUMN_LAST_UPDATED + " INTEGER NOT NULL DEFAULT 0, " +
-                    COLUMN_VERSION + " INTEGER NOT NULL DEFAULT 0, " +
-                    COLUMN_PREVIEW_BITMAP + " BLOB, " +
-                    "PRIMARY KEY (" + COLUMN_COMPONENT + ", " + COLUMN_USER + ", " + COLUMN_SIZE + ") " +
+            database.execSQL("CREATE TABLE IF NOT EXISTS "
+                    + TABLE_NAME
+                    + " ("
+                    + COLUMN_COMPONENT
+                    + " TEXT NOT NULL, "
+                    + COLUMN_USER
+                    + " INTEGER NOT NULL, "
+                    + COLUMN_SIZE
+                    + " TEXT NOT NULL, "
+                    + COLUMN_PACKAGE
+                    + " TEXT NOT NULL, "
+                    + COLUMN_LAST_UPDATED
+                    + " INTEGER NOT NULL DEFAULT 0, "
+                    + COLUMN_VERSION
+                    + " INTEGER NOT NULL DEFAULT 0, "
+                    + COLUMN_PREVIEW_BITMAP
+                    + " BLOB, "
+                    + "PRIMARY KEY ("
+                    + COLUMN_COMPONENT
+                    + ", "
+                    + COLUMN_USER
+                    + ", "
+                    + COLUMN_SIZE
+                    + ") "
+                    +
                     ");");
         }
     }
@@ -149,7 +193,7 @@
         ContentValues values = new ContentValues();
         values.put(CacheDb.COLUMN_COMPONENT, key.componentName.flattenToShortString());
         values.put(CacheDb.COLUMN_USER, mUserCache.getSerialNumberForUser(key.user));
-        values.put(CacheDb.COLUMN_SIZE, key.size);
+        values.put(CacheDb.COLUMN_SIZE, key.mSize);
         values.put(CacheDb.COLUMN_PACKAGE, key.componentName.getPackageName());
         values.put(CacheDb.COLUMN_VERSION, versions[0]);
         values.put(CacheDb.COLUMN_LAST_UPDATED, versions[1]);
@@ -157,12 +201,14 @@
         mDb.insertOrReplace(values);
     }
 
+    /** Removes the package from the preview database. */
     public void removePackage(String packageName, UserHandle user) {
         removePackage(packageName, user, mUserCache.getSerialNumberForUser(user));
     }
 
-    private void removePackage(String packageName, UserHandle user, long userSerial) {
-        synchronized(mPackageVersions) {
+    /** Removes the package from the preview database. */
+    public void removePackage(String packageName, UserHandle user, long userSerial) {
+        synchronized (mPackageVersions) {
             mPackageVersions.remove(packageName);
         }
 
@@ -264,7 +310,7 @@
                     new String[]{
                             key.componentName.flattenToShortString(),
                             Long.toString(mUserCache.getSerialNumberForUser(key.user)),
-                            key.size
+                            key.mSize
                     });
             // If cancelled, skip getting the blob and decoding it into a bitmap
             if (loadTask.isCancelled()) {
@@ -293,7 +339,7 @@
     }
 
     /**
-     * Returns generatedPreview for a widget and if the preview should be saved in persistent
+     * Returns a generated preview for a widget and if the preview should be saved in persistent
      * storage.
      * @param launcher
      * @param item
@@ -344,8 +390,10 @@
             if (drawable != null) {
                 drawable = mutateOnMainThread(drawable);
             } else {
-                Log.w(TAG, "Can't load widget preview drawable 0x" +
-                        Integer.toHexString(info.previewImage) + " for provider: " + info.provider);
+                Log.w(TAG, "Can't load widget preview drawable 0x"
+                        + Integer.toHexString(info.previewImage)
+                        + " for provider: "
+                        + info.provider);
             }
         }
 
@@ -379,8 +427,8 @@
             scale = maxPreviewWidth / (float) (previewWidth);
         }
         if (scale != 1f) {
-            previewWidth = Math.max((int)(scale * previewWidth), 1);
-            previewHeight = Math.max((int)(scale * previewHeight), 1);
+            previewWidth = Math.max((int) (scale * previewWidth), 1);
+            previewHeight = Math.max((int) (scale * previewHeight), 1);
         }
 
         final Canvas c = new Canvas();
@@ -554,13 +602,13 @@
         }
     }
 
-    public class PreviewLoadTask extends AsyncTask<Void, Void, Bitmap>
+    private class PreviewLoadTask extends AsyncTask<Void, Void, Bitmap>
             implements CancellationSignal.OnCancelListener {
         @Thunk final WidgetCacheKey mKey;
         private final WidgetItem mInfo;
         private final int mPreviewHeight;
         private final int mPreviewWidth;
-        private final WidgetCell mCaller;
+        private final WidgetPreviewLoadedCallback mCallback;
         private final BaseActivity mActivity;
         @Thunk long[] mVersions;
         @Thunk Bitmap mBitmapToRecycle;
@@ -568,14 +616,14 @@
         @Nullable private Bitmap mUnusedPreviewBitmap;
         private boolean mSaveToDB = false;
 
-        PreviewLoadTask(WidgetCacheKey key, WidgetItem info, int previewWidth,
-                int previewHeight, WidgetCell caller) {
+        PreviewLoadTask(BaseActivity activity, WidgetCacheKey key, WidgetItem info,
+                int previewWidth, int previewHeight, WidgetPreviewLoadedCallback callback) {
+            mActivity = activity;
             mKey = key;
             mInfo = info;
             mPreviewHeight = previewHeight;
             mPreviewWidth = previewWidth;
-            mCaller = caller;
-            mActivity = BaseActivity.fromContext(mCaller.getContext());
+            mCallback = callback;
             if (DEBUG) {
                 Log.d(TAG, String.format("%s, %s, %d, %d",
                         mKey, mInfo, mPreviewHeight, mPreviewWidth));
@@ -593,9 +641,9 @@
             synchronized (mUnusedBitmaps) {
                 // Check if we can re-use a bitmap
                 for (Bitmap candidate : mUnusedBitmaps) {
-                    if (candidate != null && candidate.isMutable() &&
-                            candidate.getWidth() == mPreviewWidth &&
-                            candidate.getHeight() == mPreviewHeight) {
+                    if (candidate != null && candidate.isMutable()
+                            && candidate.getWidth() == mPreviewWidth
+                            && candidate.getHeight() == mPreviewHeight) {
                         unusedBitmap = candidate;
                         mUnusedBitmaps.remove(unusedBitmap);
                         break;
@@ -638,7 +686,7 @@
 
         @Override
         protected void onPostExecute(final Bitmap preview) {
-            mCaller.applyPreview(preview);
+            mCallback.onPreviewLoaded(preview);
 
             // Write the generated preview to the DB in the worker thread
             if (mVersions != null) {
@@ -716,21 +764,21 @@
 
     private static final class WidgetCacheKey extends ComponentKey {
 
-        @Thunk final String size;
+        @Thunk final String mSize;
 
-        public WidgetCacheKey(ComponentName componentName, UserHandle user, String size) {
+        WidgetCacheKey(ComponentName componentName, UserHandle user, String size) {
             super(componentName, user);
-            this.size = size;
+            this.mSize = size;
         }
 
         @Override
         public int hashCode() {
-            return super.hashCode() ^ size.hashCode();
+            return super.hashCode() ^ mSize.hashCode();
         }
 
         @Override
         public boolean equals(Object o) {
-            return super.equals(o) && ((WidgetCacheKey) o).size.equals(size);
+            return super.equals(o) && ((WidgetCacheKey) o).mSize.equals(mSize);
         }
     }
 }
diff --git a/src/com/android/launcher3/widget/LauncherAppWidgetHostView.java b/src/com/android/launcher3/widget/LauncherAppWidgetHostView.java
index 50ab422..fa50dfb 100644
--- a/src/com/android/launcher3/widget/LauncherAppWidgetHostView.java
+++ b/src/com/android/launcher3/widget/LauncherAppWidgetHostView.java
@@ -16,26 +16,20 @@
 
 package com.android.launcher3.widget;
 
-import static com.android.launcher3.Utilities.getBoundsForViewInDragLayer;
-import static com.android.launcher3.Utilities.setRect;
-
 import android.appwidget.AppWidgetProviderInfo;
 import android.content.Context;
 import android.content.res.Configuration;
 import android.graphics.Canvas;
-import android.graphics.Outline;
 import android.graphics.Rect;
 import android.graphics.RectF;
 import android.os.Handler;
 import android.os.SystemClock;
 import android.util.SparseBooleanArray;
 import android.util.SparseIntArray;
-import android.view.LayoutInflater;
 import android.view.MotionEvent;
 import android.view.View;
 import android.view.ViewDebug;
 import android.view.ViewGroup;
-import android.view.ViewOutlineProvider;
 import android.view.accessibility.AccessibilityNodeInfo;
 import android.widget.AdapterView;
 import android.widget.Advanceable;
@@ -43,7 +37,6 @@
 
 import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
-import androidx.annotation.UiThread;
 
 import com.android.launcher3.CheckLongPressHelper;
 import com.android.launcher3.Launcher;
@@ -51,9 +44,9 @@
 import com.android.launcher3.Utilities;
 import com.android.launcher3.Workspace;
 import com.android.launcher3.dragndrop.DragLayer;
+import com.android.launcher3.keyboard.ViewGroupFocusHelper;
 import com.android.launcher3.model.data.ItemInfo;
 import com.android.launcher3.model.data.LauncherAppWidgetInfo;
-import com.android.launcher3.util.Executors;
 import com.android.launcher3.util.Themes;
 import com.android.launcher3.views.BaseDragLayer.TouchCompleteListener;
 import com.android.launcher3.widget.dragndrop.AppWidgetHostViewDragListener;
@@ -63,7 +56,7 @@
 /**
  * {@inheritDoc}
  */
-public class LauncherAppWidgetHostView extends NavigableAppWidgetHostView
+public class LauncherAppWidgetHostView extends BaseLauncherAppWidgetHostView
         implements TouchCompleteListener, View.OnLongClickListener,
         LocalColorExtractor.Listener {
 
@@ -78,8 +71,6 @@
     // Maximum duration for which updates can be deferred.
     private static final long UPDATE_LOCK_TIMEOUT_MILLIS = 1000;
 
-    protected final LayoutInflater mInflater;
-
     private final CheckLongPressHelper mLongPressHelper;
     protected final Launcher mLauncher;
     private final Workspace mWorkspace;
@@ -102,21 +93,9 @@
     private final Rect mCurrentWidgetSize = new Rect();
     private final Rect mWidgetSizeAtDrag = new Rect();
 
-    private final float[] mTmpFloatArray = new float[4];
     private final RectF mTempRectF = new RectF();
-    private final Rect mEnforcedRectangle = new Rect();
-    private final float mEnforcedCornerRadius;
-    private final ViewOutlineProvider mCornerRadiusEnforcementOutline = new ViewOutlineProvider() {
-        @Override
-        public void getOutline(View view, Outline outline) {
-            if (mEnforcedRectangle.isEmpty() || mEnforcedCornerRadius <= 0) {
-                outline.setEmpty();
-            } else {
-                outline.setRoundRect(mEnforcedRectangle, mEnforcedCornerRadius);
-            }
-        }
-    };
     private final Object mUpdateLock = new Object();
+    private final ViewGroupFocusHelper mDragLayerRelativeCoordinateHelper;
     private long mDeferUpdatesUntilMillis = 0;
     private RemoteViews mMostRecentRemoteViews;
 
@@ -125,18 +104,16 @@
         mLauncher = Launcher.getLauncher(context);
         mWorkspace = mLauncher.getWorkspace();
         mLongPressHelper = new CheckLongPressHelper(this, this);
-        mInflater = LayoutInflater.from(context);
         setAccessibilityDelegate(mLauncher.getAccessibilityDelegate());
         setBackgroundResource(R.drawable.widget_internal_focus_bg);
 
-        setExecutor(Executors.THREAD_POOL_EXECUTOR);
         if (Utilities.ATLEAST_Q && Themes.getAttrBoolean(mLauncher, R.attr.isWorkspaceDarkText)) {
             setOnLightBackground(true);
         }
         mColorExtractor = LocalColorExtractor.newInstance(getContext());
         mColorExtractor.setListener(this);
 
-        mEnforcedCornerRadius = RoundedCornerEnforcement.computeEnforcedRadius(getContext());
+        mDragLayerRelativeCoordinateHelper = new ViewGroupFocusHelper(mLauncher.getDragLayer());
     }
 
     @Override
@@ -167,11 +144,6 @@
     }
 
     @Override
-    protected View getErrorView() {
-        return mInflater.inflate(R.layout.appwidget_error, this, false);
-    }
-
-    @Override
     public void updateAppWidget(RemoteViews remoteViews) {
         synchronized (mUpdateLock) {
             mMostRecentRemoteViews = remoteViews;
@@ -305,40 +277,17 @@
         }
     }
 
-    public void switchToErrorView() {
-        // Update the widget with 0 Layout id, to reset the view to error view.
-        updateAppWidget(new RemoteViews(getAppWidgetInfo().provider.getPackageName(), 0));
-    }
-
     @Override
     protected void onLayout(boolean changed, int left, int top, int right, int bottom) {
-        try {
-            super.onLayout(changed, left, top, right, bottom);
-        } catch (final RuntimeException e) {
-            post(new Runnable() {
-                @Override
-                public void run() {
-                    switchToErrorView();
-                }
-            });
-        }
+        super.onLayout(changed, left, top, right, bottom);
 
         mIsScrollable = checkScrollableRecursively(this);
         if (!mIsInDragMode && getTag() instanceof LauncherAppWidgetInfo) {
-            mCurrentWidgetSize.left = left;
-            mCurrentWidgetSize.right = right;
-            mCurrentWidgetSize.top = top;
-            mCurrentWidgetSize.bottom = bottom;
-
             LauncherAppWidgetInfo info = (LauncherAppWidgetInfo) getTag();
-            getBoundsForViewInDragLayer(mLauncher.getDragLayer(), (View) getParent(),
-                    mCurrentWidgetSize, true, mTmpFloatArray, mTempRectF);
-            setRect(mTempRectF, mCurrentWidgetSize);
+            mDragLayerRelativeCoordinateHelper.viewToRect(this, mCurrentWidgetSize);
             updateColorExtraction(mCurrentWidgetSize,
                     mWorkspace.getPageIndexForScreenId(info.screenId));
         }
-
-        enforceRoundedCorners();
     }
 
     /** Starts the drag mode. */
@@ -358,7 +307,6 @@
         mIsInDragMode = false;
         mDragListener = null;
         mWidgetSizeAtDrag.setEmpty();
-        requestLayout();
     }
 
     /**
@@ -510,40 +458,4 @@
         }
         return false;
     }
-
-    @UiThread
-    private void resetRoundedCorners() {
-        setOutlineProvider(ViewOutlineProvider.BACKGROUND);
-        setClipToOutline(false);
-    }
-
-    @UiThread
-    private void enforceRoundedCorners() {
-        if (mEnforcedCornerRadius <= 0 || !RoundedCornerEnforcement.isRoundedCornerEnabled()) {
-            resetRoundedCorners();
-            return;
-        }
-        View background = RoundedCornerEnforcement.findBackground(this);
-        if (background == null
-                || RoundedCornerEnforcement.hasAppWidgetOptedOut(this, background)) {
-            resetRoundedCorners();
-            return;
-        }
-        RoundedCornerEnforcement.computeRoundedRectangle(this,
-                background,
-                mEnforcedRectangle);
-        setOutlineProvider(mCornerRadiusEnforcementOutline);
-        setClipToOutline(true);
-    }
-
-    /** Returns the corner radius currently enforced, in pixels. */
-    public float getEnforcedCornerRadius() {
-        return mEnforcedCornerRadius;
-    }
-
-    /** Returns true if the corner radius are enforced for this App Widget. */
-    public boolean hasEnforcedCornerRadius() {
-        return getClipToOutline();
-    }
-
 }
diff --git a/src/com/android/launcher3/widget/NavigableAppWidgetHostView.java b/src/com/android/launcher3/widget/NavigableAppWidgetHostView.java
index 6163b51..d12fe74 100644
--- a/src/com/android/launcher3/widget/NavigableAppWidgetHostView.java
+++ b/src/com/android/launcher3/widget/NavigableAppWidgetHostView.java
@@ -26,7 +26,6 @@
 import android.view.ViewDebug;
 import android.view.ViewGroup;
 
-import com.android.launcher3.BaseActivity;
 import com.android.launcher3.DeviceProfile;
 import com.android.launcher3.Reorderable;
 import com.android.launcher3.dragndrop.DraggableView;
@@ -59,7 +58,7 @@
     @ViewDebug.ExportedProperty(category = "launcher")
     private boolean mChildrenFocused;
 
-    protected final BaseActivity mActivity;
+    protected final ActivityContext mActivity;
 
     public NavigableAppWidgetHostView(Context context) {
         super(context);
diff --git a/src/com/android/launcher3/widget/PendingAppWidgetHostView.java b/src/com/android/launcher3/widget/PendingAppWidgetHostView.java
index 3308eec..47a8914 100644
--- a/src/com/android/launcher3/widget/PendingAppWidgetHostView.java
+++ b/src/com/android/launcher3/widget/PendingAppWidgetHostView.java
@@ -97,9 +97,9 @@
 
     @Override
     public void updateAppWidget(RemoteViews remoteViews) {
-        super.updateAppWidget(remoteViews);
         WidgetManagerHelper widgetManagerHelper = new WidgetManagerHelper(getContext());
         if (widgetManagerHelper.isAppWidgetRestored(mInfo.appWidgetId)) {
+            super.updateAppWidget(remoteViews);
             reInflate();
         }
     }
@@ -149,7 +149,7 @@
             // The view displays three modes,
             //   1) App icon in the center
             //   2) Preload icon in the center
-            //   3) Setup icon in the center and app icon in the top right corner.
+            //   3) App icon in the center with a setup icon on the top left corner.
             if (mDisabledForSafeMode) {
                 FastBitmapDrawable disabledIcon = info.newIcon(getContext());
                 disabledIcon.setIsDisabled(true);
diff --git a/src/com/android/launcher3/widget/WidgetCell.java b/src/com/android/launcher3/widget/WidgetCell.java
index b1ccfd9..91529be 100644
--- a/src/com/android/launcher3/widget/WidgetCell.java
+++ b/src/com/android/launcher3/widget/WidgetCell.java
@@ -19,7 +19,6 @@
 import static com.android.launcher3.Utilities.ATLEAST_S;
 
 import android.content.Context;
-import android.content.res.Resources;
 import android.graphics.Bitmap;
 import android.graphics.Rect;
 import android.graphics.drawable.Drawable;
@@ -44,7 +43,6 @@
 import com.android.launcher3.CheckLongPressHelper;
 import com.android.launcher3.DeviceProfile;
 import com.android.launcher3.R;
-import com.android.launcher3.WidgetPreviewLoader;
 import com.android.launcher3.icons.FastBitmapDrawable;
 import com.android.launcher3.icons.RoundDrawableWrapper;
 import com.android.launcher3.model.WidgetItem;
@@ -222,21 +220,18 @@
             return;
         }
 
-        if (ATLEAST_S
-                && mRemoteViewsPreview == null
-                && item.widgetInfo != null
-                && item.widgetInfo.previewLayout != Resources.ID_NULL) {
-            mAppWidgetHostViewPreview = new LauncherAppWidgetHostView(getContext());
-            LauncherAppWidgetProviderInfo launcherAppWidgetProviderInfo =
-                    LauncherAppWidgetProviderInfo.fromProviderInfo(getContext(),
-                            item.widgetInfo.clone());
-            // A hack to force the initial layout to be the preview layout since there is no API for
-            // rendering a preview layout for work profile apps yet. For non-work profile layout, a
-            // proper solution is to use RemoteViews(PackageName, LayoutId).
-            launcherAppWidgetProviderInfo.initialLayout = item.widgetInfo.previewLayout;
-            setAppWidgetHostViewPreview(mAppWidgetHostViewPreview,
-                    launcherAppWidgetProviderInfo, /* remoteViews= */ null);
-        }
+        if (!item.hasPreviewLayout()) return;
+
+        mAppWidgetHostViewPreview = new LauncherAppWidgetHostView(getContext());
+        LauncherAppWidgetProviderInfo launcherAppWidgetProviderInfo =
+                LauncherAppWidgetProviderInfo.fromProviderInfo(getContext(),
+                        item.widgetInfo.clone());
+        // A hack to force the initial layout to be the preview layout since there is no API for
+        // rendering a preview layout for work profile apps yet. For non-work profile layout, a
+        // proper solution is to use RemoteViews(PackageName, LayoutId).
+        launcherAppWidgetProviderInfo.initialLayout = item.widgetInfo.previewLayout;
+        setAppWidgetHostViewPreview(mAppWidgetHostViewPreview,
+                launcherAppWidgetProviderInfo, /* remoteViews= */ null);
     }
 
     private void setAppWidgetHostViewPreview(
@@ -344,22 +339,25 @@
         if (mActiveRequest != null) {
             return;
         }
-        mActiveRequest = mWidgetPreviewLoader.getPreview(mItem, mPreviewWidth, mPreviewHeight,
-                this);
+        mActiveRequest = mWidgetPreviewLoader.loadPreview(
+                BaseActivity.fromContext(getContext()), mItem,
+                new Size(mPreviewWidth, mPreviewHeight),
+                this::applyPreview);
     }
 
     /** Sets the widget preview image size in number of cells. */
-    public void setPreviewSize(int spanX, int spanY) {
-        setPreviewSize(spanX, spanY, 1f);
+    public Size setPreviewSize(int spanX, int spanY) {
+        return setPreviewSize(spanX, spanY, 1f);
     }
 
     /** Sets the widget preview image size, in number of cells, and preview scale. */
-    public void setPreviewSize(int spanX, int spanY, float previewScale) {
+    public Size setPreviewSize(int spanX, int spanY, float previewScale) {
         DeviceProfile deviceProfile = mActivity.getDeviceProfile();
         Size widgetSize = WidgetSizes.getWidgetSizePx(deviceProfile, spanX, spanY);
         mPreviewWidth = widgetSize.getWidth();
         mPreviewHeight = widgetSize.getHeight();
         mPreviewScale = previewScale;
+        return widgetSize;
     }
 
     @Override
diff --git a/src/com/android/launcher3/widget/WidgetPreviewLoader.java b/src/com/android/launcher3/widget/WidgetPreviewLoader.java
new file mode 100644
index 0000000..ff5c82f
--- /dev/null
+++ b/src/com/android/launcher3/widget/WidgetPreviewLoader.java
@@ -0,0 +1,47 @@
+/*
+ * Copyright (C) 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.android.launcher3.widget;
+
+import android.graphics.Bitmap;
+import android.os.CancellationSignal;
+import android.util.Size;
+
+import androidx.annotation.NonNull;
+import androidx.annotation.UiThread;
+
+import com.android.launcher3.BaseActivity;
+import com.android.launcher3.model.WidgetItem;
+
+/** Asynchronous loader of preview bitmaps for {@link WidgetItem}s. */
+public interface WidgetPreviewLoader {
+    /**
+     * Loads a widget preview and calls back to {@code callback} when complete.
+     *
+     * @return a {@link CancellationSignal} which can be used to cancel the request.
+     */
+    @NonNull
+    @UiThread
+    CancellationSignal loadPreview(
+            @NonNull BaseActivity activity,
+            @NonNull WidgetItem item,
+            @NonNull Size previewSize,
+            @NonNull WidgetPreviewLoadedCallback callback);
+
+    /** Callback class for requests to {@link WidgetPreviewLoader}. */
+    interface WidgetPreviewLoadedCallback {
+        void onPreviewLoaded(@NonNull Bitmap preview);
+    }
+}
diff --git a/src/com/android/launcher3/widget/model/WidgetsListBaseEntry.java b/src/com/android/launcher3/widget/model/WidgetsListBaseEntry.java
index 73bae6f..abc79ff 100644
--- a/src/com/android/launcher3/widget/model/WidgetsListBaseEntry.java
+++ b/src/com/android/launcher3/widget/model/WidgetsListBaseEntry.java
@@ -59,6 +59,19 @@
     @Rank
     public abstract int getRank();
 
+    /**
+     * Marker interface for subclasses that are headers for widget list items.
+     *
+     * @param <T> The type of this class.
+     */
+    public interface Header<T extends WidgetsListBaseEntry & Header<T>> {
+        /** Returns whether the widget list is currently expanded. */
+        boolean isWidgetListShown();
+
+        /** Returns a copy of the item with the widget list shown. */
+        T withWidgetListShown();
+    }
+
     @Retention(SOURCE)
     @IntDef({RANK_WIDGETS_LIST_HEADER, RANK_WIDGETS_LIST_SEARCH_HEADER, RANK_WIDGETS_LIST_CONTENT})
     public @interface Rank {
diff --git a/src/com/android/launcher3/widget/model/WidgetsListHeaderEntry.java b/src/com/android/launcher3/widget/model/WidgetsListHeaderEntry.java
index 1fdc399..5b3ea94 100644
--- a/src/com/android/launcher3/widget/model/WidgetsListHeaderEntry.java
+++ b/src/com/android/launcher3/widget/model/WidgetsListHeaderEntry.java
@@ -21,41 +21,33 @@
 import java.util.List;
 
 /** An information holder for an app which has widgets or/and shortcuts. */
-public final class WidgetsListHeaderEntry extends WidgetsListBaseEntry {
+public final class WidgetsListHeaderEntry extends WidgetsListBaseEntry
+        implements WidgetsListBaseEntry.Header<WidgetsListHeaderEntry> {
 
     public final int widgetsCount;
     public final int shortcutsCount;
 
-    private boolean mIsWidgetListShown = false;
-    private boolean mHasEntryUpdated = false;
+    private final boolean mIsWidgetListShown;
 
     public WidgetsListHeaderEntry(PackageItemInfo pkgItem, String titleSectionName,
             List<WidgetItem> items) {
+        this(pkgItem, titleSectionName, items, /* isWidgetListShown= */ false);
+    }
+
+    private WidgetsListHeaderEntry(PackageItemInfo pkgItem, String titleSectionName,
+            List<WidgetItem> items, boolean isWidgetListShown) {
         super(pkgItem, titleSectionName, items);
         widgetsCount = (int) items.stream().filter(item -> item.widgetInfo != null).count();
         shortcutsCount = Math.max(0, items.size() - widgetsCount);
-    }
-
-    /** Sets if the widgets list associated with this header is shown. */
-    public void setIsWidgetListShown(boolean isWidgetListShown) {
-        if (mIsWidgetListShown != isWidgetListShown) {
-            this.mIsWidgetListShown = isWidgetListShown;
-            mHasEntryUpdated = true;
-        } else {
-            mHasEntryUpdated = false;
-        }
+        mIsWidgetListShown = isWidgetListShown;
     }
 
     /** Returns {@code true} if the widgets list associated with this header is shown. */
+    @Override
     public boolean isWidgetListShown() {
         return mIsWidgetListShown;
     }
 
-    /** Returns {@code true} if this entry has been updated due to user interactions. */
-    public boolean hasEntryUpdated() {
-        return mHasEntryUpdated;
-    }
-
     @Override
     public String toString() {
         return "Header:" + mPkgItem.packageName + ":" + mWidgets.size();
@@ -72,6 +64,18 @@
         if (!(obj instanceof WidgetsListHeaderEntry)) return false;
         WidgetsListHeaderEntry otherEntry = (WidgetsListHeaderEntry) obj;
         return mWidgets.equals(otherEntry.mWidgets) && mPkgItem.equals(otherEntry.mPkgItem)
-                && mTitleSectionName.equals(otherEntry.mTitleSectionName);
+                && mTitleSectionName.equals(otherEntry.mTitleSectionName)
+                && mIsWidgetListShown == otherEntry.mIsWidgetListShown;
+    }
+
+    /** Returns a copy of this {@link WidgetsListHeaderEntry} with the widget list shown. */
+    @Override
+    public WidgetsListHeaderEntry withWidgetListShown() {
+        if (mIsWidgetListShown) return this;
+        return new WidgetsListHeaderEntry(
+                mPkgItem,
+                mTitleSectionName,
+                mWidgets,
+                /* isWidgetListShown= */ true);
     }
 }
diff --git a/src/com/android/launcher3/widget/model/WidgetsListSearchHeaderEntry.java b/src/com/android/launcher3/widget/model/WidgetsListSearchHeaderEntry.java
index 2aec3f8..c0f89bc 100644
--- a/src/com/android/launcher3/widget/model/WidgetsListSearchHeaderEntry.java
+++ b/src/com/android/launcher3/widget/model/WidgetsListSearchHeaderEntry.java
@@ -21,36 +21,28 @@
 import java.util.List;
 
 /** An information holder for an app which has widgets or/and shortcuts, to be shown in search. */
-public final class WidgetsListSearchHeaderEntry extends WidgetsListBaseEntry {
+public final class WidgetsListSearchHeaderEntry extends WidgetsListBaseEntry
+        implements WidgetsListBaseEntry.Header<WidgetsListSearchHeaderEntry> {
 
-    private boolean mIsWidgetListShown = false;
-    private boolean mHasEntryUpdated = false;
+    private final boolean mIsWidgetListShown;
 
     public WidgetsListSearchHeaderEntry(PackageItemInfo pkgItem, String titleSectionName,
             List<WidgetItem> items) {
-        super(pkgItem, titleSectionName, items);
+        this(pkgItem, titleSectionName, items, /* isWidgetListShown= */ false);
     }
 
-    /** Sets if the widgets list associated with this header is shown. */
-    public void setIsWidgetListShown(boolean isWidgetListShown) {
-        if (mIsWidgetListShown != isWidgetListShown) {
-            this.mIsWidgetListShown = isWidgetListShown;
-            mHasEntryUpdated = true;
-        } else {
-            mHasEntryUpdated = false;
-        }
+    private WidgetsListSearchHeaderEntry(PackageItemInfo pkgItem, String titleSectionName,
+            List<WidgetItem> items, boolean isWidgetListShown) {
+        super(pkgItem, titleSectionName, items);
+        mIsWidgetListShown = isWidgetListShown;
     }
 
     /** Returns {@code true} if the widgets list associated with this header is shown. */
+    @Override
     public boolean isWidgetListShown() {
         return mIsWidgetListShown;
     }
 
-    /** Returns {@code true} if this entry has been updated due to user interactions. */
-    public boolean hasEntryUpdated() {
-        return mHasEntryUpdated;
-    }
-
     @Override
     public String toString() {
         return "SearchHeader:" + mPkgItem.packageName + ":" + mWidgets.size();
@@ -67,6 +59,18 @@
         if (!(obj instanceof WidgetsListSearchHeaderEntry)) return false;
         WidgetsListSearchHeaderEntry otherEntry = (WidgetsListSearchHeaderEntry) obj;
         return mWidgets.equals(otherEntry.mWidgets) && mPkgItem.equals(otherEntry.mPkgItem)
-                && mTitleSectionName.equals(otherEntry.mTitleSectionName);
+                && mTitleSectionName.equals(otherEntry.mTitleSectionName)
+                && mIsWidgetListShown;
+    }
+
+    /** Returns a copy of this {@link WidgetsListSearchHeaderEntry} with the widget list shown. */
+    @Override
+    public WidgetsListSearchHeaderEntry withWidgetListShown() {
+        if (mIsWidgetListShown) return this;
+        return new WidgetsListSearchHeaderEntry(
+                mPkgItem,
+                mTitleSectionName,
+                mWidgets,
+                /* isWidgetListShown= */ true);
     }
 }
diff --git a/src/com/android/launcher3/widget/picker/WidgetsDiffReporter.java b/src/com/android/launcher3/widget/picker/WidgetsDiffReporter.java
index 42896ba..dfe447a 100644
--- a/src/com/android/launcher3/widget/picker/WidgetsDiffReporter.java
+++ b/src/com/android/launcher3/widget/picker/WidgetsDiffReporter.java
@@ -177,7 +177,7 @@
      */
     private boolean hasHeaderUpdated(WidgetsListBaseEntry curRow, WidgetsListBaseEntry newRow) {
         if (newRow instanceof WidgetsListHeaderEntry && curRow instanceof WidgetsListHeaderEntry) {
-            return ((WidgetsListHeaderEntry) newRow).hasEntryUpdated() || !curRow.equals(newRow);
+            return !curRow.equals(newRow);
         }
         if (newRow instanceof WidgetsListSearchHeaderEntry
                 && curRow instanceof WidgetsListSearchHeaderEntry) {
diff --git a/src/com/android/launcher3/widget/picker/WidgetsListAdapter.java b/src/com/android/launcher3/widget/picker/WidgetsListAdapter.java
index 6863c60..5d9adf0 100644
--- a/src/com/android/launcher3/widget/picker/WidgetsListAdapter.java
+++ b/src/com/android/launcher3/widget/picker/WidgetsListAdapter.java
@@ -20,6 +20,7 @@
 import android.content.Context;
 import android.os.Process;
 import android.util.Log;
+import android.util.Size;
 import android.util.SparseArray;
 import android.view.LayoutInflater;
 import android.view.View;
@@ -35,19 +36,25 @@
 import androidx.recyclerview.widget.RecyclerView.Adapter;
 import androidx.recyclerview.widget.RecyclerView.ViewHolder;
 
+import com.android.launcher3.BaseActivity;
+import com.android.launcher3.DeviceProfile;
 import com.android.launcher3.Launcher;
 import com.android.launcher3.R;
-import com.android.launcher3.WidgetPreviewLoader;
 import com.android.launcher3.icons.IconCache;
+import com.android.launcher3.model.WidgetItem;
 import com.android.launcher3.model.data.PackageItemInfo;
 import com.android.launcher3.recyclerview.ViewHolderBinder;
 import com.android.launcher3.util.LabelComparator;
 import com.android.launcher3.util.PackageUserKey;
+import com.android.launcher3.widget.CachingWidgetPreviewLoader;
+import com.android.launcher3.widget.DatabaseWidgetPreviewLoader;
 import com.android.launcher3.widget.WidgetCell;
+import com.android.launcher3.widget.WidgetPreviewLoader.WidgetPreviewLoadedCallback;
 import com.android.launcher3.widget.model.WidgetsListBaseEntry;
 import com.android.launcher3.widget.model.WidgetsListContentEntry;
 import com.android.launcher3.widget.model.WidgetsListHeaderEntry;
 import com.android.launcher3.widget.model.WidgetsListSearchHeaderEntry;
+import com.android.launcher3.widget.util.WidgetSizes;
 
 import java.util.ArrayList;
 import java.util.Arrays;
@@ -79,7 +86,9 @@
     private static final int VIEW_TYPE_WIDGETS_HEADER = R.id.view_type_widgets_header;
     private static final int VIEW_TYPE_WIDGETS_SEARCH_HEADER = R.id.view_type_widgets_search_header;
 
+    private final Context mContext;
     private final Launcher mLauncher;
+    private final CachingWidgetPreviewLoader mCachingPreviewLoader;
     private final WidgetsDiffReporter mDiffReporter;
     private final SparseArray<ViewHolderBinder> mViewHolderBinders = new SparseArray<>();
     private final WidgetsListTableViewHolderBinder mWidgetsListTableViewHolderBinder;
@@ -97,16 +106,23 @@
                             .equals(mWidgetsContentVisiblePackageUserKey);
     @Nullable private Predicate<WidgetsListBaseEntry> mFilter = null;
     @Nullable private RecyclerView mRecyclerView;
+    @Nullable private PackageUserKey mPendingClickHeader;
+    private int mShortcutPreviewPadding;
+
+    private final WidgetPreviewLoadedCallback mPreviewLoadedCallback =
+            ignored -> updateVisibleEntries();
 
     public WidgetsListAdapter(Context context, LayoutInflater layoutInflater,
-            WidgetPreviewLoader widgetPreviewLoader, IconCache iconCache,
+            DatabaseWidgetPreviewLoader widgetPreviewLoader, IconCache iconCache,
             OnClickListener iconClickListener, OnLongClickListener iconLongClickListener) {
+        mContext = context;
         mLauncher = Launcher.getLauncher(context);
+        mCachingPreviewLoader = new CachingWidgetPreviewLoader(widgetPreviewLoader);
         mDiffReporter = new WidgetsDiffReporter(iconCache, this);
         WidgetsListDrawableFactory listDrawableFactory = new WidgetsListDrawableFactory(context);
-        mWidgetsListTableViewHolderBinder = new WidgetsListTableViewHolderBinder(context,
+        mWidgetsListTableViewHolderBinder = new WidgetsListTableViewHolderBinder(
                 layoutInflater, iconClickListener, iconLongClickListener,
-                widgetPreviewLoader, listDrawableFactory, /* listAdapter= */ this);
+                mCachingPreviewLoader, listDrawableFactory, /* listAdapter= */ this);
         mViewHolderBinders.put(VIEW_TYPE_WIDGETS_LIST, mWidgetsListTableViewHolderBinder);
         mViewHolderBinders.put(
                 VIEW_TYPE_WIDGETS_HEADER,
@@ -122,6 +138,9 @@
                         /* onHeaderClickListener= */ this,
                         listDrawableFactory,
                         /* listAdapter= */ this));
+        mShortcutPreviewPadding =
+                2 * context.getResources()
+                        .getDimensionPixelSize(R.dimen.widget_preview_shortcut_padding);
     }
 
     @Override
@@ -177,6 +196,7 @@
 
     /** Updates the widget list based on {@code tempEntries}. */
     public void setWidgets(List<WidgetsListBaseEntry> tempEntries) {
+        mCachingPreviewLoader.clearAll();
         mAllEntries = tempEntries.stream().sorted(mRowComparator)
                 .collect(Collectors.toList());
         if (shouldClearVisibleEntries()) {
@@ -189,36 +209,110 @@
     public void setWidgetsOnSearch(List<WidgetsListBaseEntry> searchResults) {
         // Forget the expanded package every time widget list is refreshed in search mode.
         mWidgetsContentVisiblePackageUserKey = null;
+        cancelLoadingPreviews();
         setWidgets(searchResults);
     }
 
     private void updateVisibleEntries() {
-        mAllEntries.forEach(entry -> {
-            if (entry instanceof WidgetsListHeaderEntry) {
-                ((WidgetsListHeaderEntry) entry).setIsWidgetListShown(
-                        isHeaderForVisibleContent(entry));
-            } else if (entry instanceof WidgetsListSearchHeaderEntry) {
-                ((WidgetsListSearchHeaderEntry) entry).setIsWidgetListShown(
-                        isHeaderForVisibleContent(entry));
-            }
-        });
+        // If not all previews are ready, then defer this update and try again after the preview
+        // loads.
+        if (!ensureAllPreviewsReady()) return;
+
+        // Get the current top of the header with the matching key before adjusting the visible
+        // entries.
+        OptionalInt previousPositionForPackageUserKey =
+                getPositionForPackageUserKey(mPendingClickHeader);
+        OptionalInt topForPackageUserKey =
+                getOffsetForPosition(previousPositionForPackageUserKey);
+
         List<WidgetsListBaseEntry> newVisibleEntries = mAllEntries.stream()
                 .filter(entry -> (mFilter == null || mFilter.test(entry))
                         && mHeaderAndSelectedContentFilter.test(entry))
+                .map(entry -> {
+                    // Adjust the original entries to expand headers for the selected content.
+                    if (entry instanceof WidgetsListBaseEntry.Header<?>
+                            && matchesKey(entry, mWidgetsContentVisiblePackageUserKey)) {
+                        return ((WidgetsListBaseEntry.Header<?>) entry).withWidgetListShown();
+                    }
+                    return entry;
+                })
                 .collect(Collectors.toList());
+
         mDiffReporter.process(mVisibleEntries, newVisibleEntries, mRowComparator);
+
+        if (mPendingClickHeader != null) {
+            // Get the position for the clicked header after adjusting the visible entries. The
+            // position may have changed if another header had previously been expanded.
+            OptionalInt positionForPackageUserKey =
+                    getPositionForPackageUserKey(mPendingClickHeader);
+            scrollToPositionAndMaintainOffset(positionForPackageUserKey, topForPackageUserKey);
+            mPendingClickHeader = null;
+        }
     }
 
-    /** Returns whether {@code entry} matches {@link #mWidgetsContentVisiblePackageUserKey}. */
-    private boolean isHeaderForVisibleContent(WidgetsListBaseEntry entry) {
-        return isHeaderForPackageUserKey(entry, mWidgetsContentVisiblePackageUserKey);
+    /**
+     * Checks that all preview images are loaded and starts loading for those that aren't ready.
+     *
+     * @return true if all previews are ready and the data can be updated, false otherwise.
+     */
+    private boolean ensureAllPreviewsReady() {
+        boolean allReady = true;
+        BaseActivity activity = BaseActivity.fromContext(mContext);
+        for (WidgetsListBaseEntry entry : mAllEntries) {
+            if (!(entry instanceof WidgetsListContentEntry)) continue;
+
+            WidgetsListContentEntry contentEntry = (WidgetsListContentEntry) entry;
+            if (!matchesKey(entry, mWidgetsContentVisiblePackageUserKey)) {
+                // If the entry isn't visible, clear any loaded previews.
+                mCachingPreviewLoader.clearPreviews(contentEntry.mWidgets);
+                continue;
+            }
+
+            for (int i = 0; i < entry.mWidgets.size(); i++) {
+                WidgetItem widgetItem = entry.mWidgets.get(i);
+                DeviceProfile deviceProfile = activity.getDeviceProfile();
+                Size widgetSize =
+                        WidgetSizes.getWidgetSizePx(
+                                deviceProfile,
+                                widgetItem.spanX,
+                                widgetItem.spanY);
+                if (widgetItem.isShortcut()) {
+                    widgetSize =
+                            new Size(
+                                    widgetSize.getWidth() + mShortcutPreviewPadding,
+                                    widgetSize.getHeight() + mShortcutPreviewPadding);
+                }
+
+                if (widgetItem.hasPreviewLayout()
+                        || mCachingPreviewLoader.isPreviewLoaded(widgetItem, widgetSize)) {
+                    // The widget is ready if it can be rendered with a preview layout or if its
+                    // preview bitmap is in the cache.
+                    continue;
+                }
+
+                // If we've reached this point, we should load the preview for the widget.
+                allReady = false;
+                mCachingPreviewLoader.loadPreview(
+                        activity,
+                        widgetItem,
+                        widgetSize,
+                        mPreviewLoadedCallback);
+            }
+        }
+        return allReady;
     }
 
     /** Returns whether {@code entry} matches {@code key}. */
-    private boolean isHeaderForPackageUserKey(WidgetsListBaseEntry entry, PackageUserKey key) {
-        return (entry instanceof WidgetsListHeaderEntry
-                || entry instanceof WidgetsListSearchHeaderEntry)
-                && new PackageUserKey(entry.mPkgItem.packageName, entry.mPkgItem.user).equals(key);
+    private static boolean isHeaderForPackageUserKey(
+            @NonNull WidgetsListBaseEntry entry, @Nullable PackageUserKey key) {
+        return entry instanceof WidgetsListBaseEntry.Header && matchesKey(entry, key);
+    }
+
+    private static boolean matchesKey(
+            @NonNull WidgetsListBaseEntry entry, @Nullable PackageUserKey key) {
+        if (key == null) return false;
+        return entry.mPkgItem.packageName.equals(key.mPackageName)
+                && entry.mPkgItem.user.equals(key.mUser);
     }
 
     /**
@@ -227,6 +321,7 @@
     public void resetExpandedHeader() {
         if (mWidgetsContentVisiblePackageUserKey != null) {
             mWidgetsContentVisiblePackageUserKey = null;
+            cancelLoadingPreviews();
             updateVisibleEntries();
         }
     }
@@ -285,6 +380,8 @@
         // Ignore invalid clicks, such as collapsing a package that isn't currently expanded.
         if (!showWidgets && !packageUserKey.equals(mWidgetsContentVisiblePackageUserKey)) return;
 
+        cancelLoadingPreviews();
+
         if (showWidgets) {
             mWidgetsContentVisiblePackageUserKey = packageUserKey;
             mLauncher.getStatsLogManager().logger().log(LAUNCHER_WIDGETSTRAY_APP_EXPANDED);
@@ -292,17 +389,15 @@
             mWidgetsContentVisiblePackageUserKey = null;
         }
 
-        // Get the current top of the header with the matching key before adjusting the visible
-        // entries.
-        OptionalInt topForPackageUserKey =
-                getOffsetForPosition(getPositionForPackageUserKey(packageUserKey));
+        // Store the header that was clicked so that its position will be maintained the next time
+        // we update the entries.
+        mPendingClickHeader = packageUserKey;
 
         updateVisibleEntries();
+    }
 
-        // Get the position for the clicked header after adjusting the visible entries. The
-        // position may have changed if another header had previously been expanded.
-        OptionalInt positionForPackageUserKey = getPositionForPackageUserKey(packageUserKey);
-        scrollToPositionAndMaintainOffset(positionForPackageUserKey, topForPackageUserKey);
+    private void cancelLoadingPreviews() {
+        mCachingPreviewLoader.clearAll();
     }
 
     /** Returns the position of the currently expanded header, or empty if it's not present. */
@@ -315,7 +410,8 @@
      * Returns the position of {@code key} in {@link #mVisibleEntries}, or  empty if it's not
      * present.
      */
-    private OptionalInt getPositionForPackageUserKey(PackageUserKey key) {
+    @NonNull
+    private OptionalInt getPositionForPackageUserKey(@Nullable PackageUserKey key) {
         return IntStream.range(0, mVisibleEntries.size())
                 .filter(index -> isHeaderForPackageUserKey(mVisibleEntries.get(index), key))
                 .findFirst();
diff --git a/src/com/android/launcher3/widget/picker/WidgetsListTableViewHolderBinder.java b/src/com/android/launcher3/widget/picker/WidgetsListTableViewHolderBinder.java
index 7e8c55b..7b52663 100644
--- a/src/com/android/launcher3/widget/picker/WidgetsListTableViewHolderBinder.java
+++ b/src/com/android/launcher3/widget/picker/WidgetsListTableViewHolderBinder.java
@@ -18,8 +18,9 @@
 import static com.android.launcher3.widget.picker.WidgetsListDrawableState.LAST;
 import static com.android.launcher3.widget.picker.WidgetsListDrawableState.MIDDLE;
 
-import android.content.Context;
+import android.graphics.Bitmap;
 import android.util.Log;
+import android.util.Size;
 import android.view.Gravity;
 import android.view.LayoutInflater;
 import android.view.View;
@@ -30,9 +31,9 @@
 import android.widget.TableRow;
 
 import com.android.launcher3.R;
-import com.android.launcher3.WidgetPreviewLoader;
 import com.android.launcher3.model.WidgetItem;
 import com.android.launcher3.recyclerview.ViewHolderBinder;
+import com.android.launcher3.widget.CachingWidgetPreviewLoader;
 import com.android.launcher3.widget.WidgetCell;
 import com.android.launcher3.widget.model.WidgetsListContentEntry;
 import com.android.launcher3.widget.util.WidgetsTableUtils;
@@ -52,17 +53,16 @@
     private final LayoutInflater mLayoutInflater;
     private final OnClickListener mIconClickListener;
     private final OnLongClickListener mIconLongClickListener;
-    private final WidgetPreviewLoader mWidgetPreviewLoader;
     private final WidgetsListDrawableFactory mListDrawableFactory;
+    private final CachingWidgetPreviewLoader mWidgetPreviewLoader;
     private final WidgetsListAdapter mWidgetsListAdapter;
     private boolean mApplyBitmapDeferred = false;
 
     public WidgetsListTableViewHolderBinder(
-            Context context,
             LayoutInflater layoutInflater,
             OnClickListener iconClickListener,
             OnLongClickListener iconLongClickListener,
-            WidgetPreviewLoader widgetPreviewLoader,
+            CachingWidgetPreviewLoader widgetPreviewLoader,
             WidgetsListDrawableFactory listDrawableFactory,
             WidgetsListAdapter listAdapter) {
         mLayoutInflater = layoutInflater;
@@ -75,7 +75,7 @@
 
     /**
      * Defers applying bitmap on all the {@link WidgetCell} at
-     * {@link #bindViewHolder(WidgetsRowViewHolder, WidgetsListContentEntry)} if
+     * {@link #bindViewHolder(WidgetsRowViewHolder, WidgetsListContentEntry, int)} if
      * {@code applyBitmapDeferred} is {@code true}.
      */
     public void setApplyBitmapDeferred(boolean applyBitmapDeferred) {
@@ -124,10 +124,15 @@
                 WidgetCell widget = (WidgetCell) row.getChildAt(j);
                 widget.clear();
                 WidgetItem widgetItem = widgetItemsPerRow.get(j);
-                widget.setPreviewSize(widgetItem.spanX, widgetItem.spanY);
+                Size previewSize = widget.setPreviewSize(widgetItem.spanX, widgetItem.spanY);
                 widget.applyFromCellItem(widgetItem, mWidgetPreviewLoader);
                 widget.setApplyBitmapDeferred(mApplyBitmapDeferred);
-                widget.ensurePreview();
+                Bitmap preview = mWidgetPreviewLoader.getPreview(widgetItem, previewSize);
+                if (preview == null) {
+                    widget.ensurePreview();
+                } else {
+                    widget.applyPreview(preview);
+                }
                 widget.setVisibility(View.VISIBLE);
             }
         }
diff --git a/src/com/android/launcher3/workprofile/PersonalWorkSlidingTabStrip.java b/src/com/android/launcher3/workprofile/PersonalWorkSlidingTabStrip.java
index b35c75b..df5d465 100644
--- a/src/com/android/launcher3/workprofile/PersonalWorkSlidingTabStrip.java
+++ b/src/com/android/launcher3/workprofile/PersonalWorkSlidingTabStrip.java
@@ -127,7 +127,7 @@
     @Override
     public void setActiveMarker(int activePage) {
         updateTabTextColor(activePage);
-        updateIndicatorPosition(activePage);
+        updateIndicatorPosition(mIsRtl ? 1 - activePage : activePage);
         if (mOnActivePageChangedListener != null && mLastActivePage != activePage) {
             mOnActivePageChangedListener.onActivePageChanged(activePage);
         }
diff --git a/src_shortcuts_overrides/com/android/launcher3/model/WidgetsModel.java b/src_shortcuts_overrides/com/android/launcher3/model/WidgetsModel.java
index 51c5b12..a66b031 100644
--- a/src_shortcuts_overrides/com/android/launcher3/model/WidgetsModel.java
+++ b/src_shortcuts_overrides/com/android/launcher3/model/WidgetsModel.java
@@ -15,6 +15,7 @@
 import android.util.Log;
 
 import androidx.annotation.Nullable;
+import androidx.collection.ArrayMap;
 
 import com.android.launcher3.AppFilter;
 import com.android.launcher3.InvariantDeviceProfile;
@@ -37,6 +38,7 @@
 
 import java.util.ArrayList;
 import java.util.Arrays;
+import java.util.Collection;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
@@ -158,34 +160,29 @@
             Log.d(TAG, "addWidgetsAndShortcuts, widgetsShortcuts#=" + rawWidgetsShortcuts.size());
         }
 
-        // Temporary list for {@link PackageItemInfos} to avoid having to go through
+        // Temporary cache for {@link PackageItemInfos} to avoid having to go through
         // {@link mPackageItemInfos} to locate the key to be used for {@link #mWidgetsList}
-        HashMap<WidgetPackageOrCategoryKey, PackageItemInfo> tmpPackageItemInfos = new HashMap<>();
+        PackageItemInfoCache packageItemInfoCache = new PackageItemInfoCache();
 
-        // Clear the lists only if this is an update on all widgets and shortcuts. If packageUser
-        // isn't null, only updates the shortcuts and widgets for the app represented in
-        // packageUser.
         if (packageUser == null) {
+            // Clear the list if this is an update on all widgets and shortcuts.
             mWidgetsList.clear();
+        } else {
+            // Otherwise, only clear the widgets and shortcuts for the changed package.
+            mWidgetsList.remove(
+                    packageItemInfoCache.getOrCreate(new WidgetPackageOrCategoryKey(packageUser)));
         }
+
         // add and update.
         mWidgetsList.putAll(rawWidgetsShortcuts.stream()
                 .filter(new WidgetValidityCheck(app))
-                .collect(Collectors.groupingBy(item -> {
-                    WidgetPackageOrCategoryKey packageUserKey = getWidgetPackageOrCategoryKey(item);
-                    PackageItemInfo pInfo = tmpPackageItemInfos.get(packageUserKey);
-                    if (pInfo == null) {
-                        pInfo = new PackageItemInfo(item.componentName.getPackageName(),
-                                packageUserKey.mCategory);
-                        pInfo.user = item.user;
-                        tmpPackageItemInfos.put(packageUserKey,  pInfo);
-                    }
-                    return pInfo;
-                })));
+                .collect(Collectors.groupingBy(item ->
+                        packageItemInfoCache.getOrCreate(getWidgetPackageOrCategoryKey(item))
+                )));
 
         // Update each package entry
         IconCache iconCache = app.getIconCache();
-        for (PackageItemInfo p : tmpPackageItemInfos.values()) {
+        for (PackageItemInfo p : packageItemInfoCache.values()) {
             iconCache.getTitleAndIconForApp(p, true /* userLowResIcon */);
         }
     }
@@ -289,6 +286,10 @@
         public final UserHandle mUser;
         private final int mHashCode;
 
+        WidgetPackageOrCategoryKey(PackageUserKey key) {
+            this(key.mPackageName, key.mUser);
+        }
+
         WidgetPackageOrCategoryKey(String packageName, UserHandle user) {
             this(packageName,  PackageItemInfo.NO_CATEGORY, user);
         }
@@ -310,4 +311,22 @@
             return mHashCode;
         }
     }
+
+    private static final class PackageItemInfoCache {
+        private final Map<WidgetPackageOrCategoryKey, PackageItemInfo> mMap = new ArrayMap<>();
+
+        PackageItemInfo getOrCreate(WidgetPackageOrCategoryKey key) {
+            PackageItemInfo pInfo = mMap.get(key);
+            if (pInfo == null) {
+                pInfo = new PackageItemInfo(key.mPackage, key.mCategory);
+                pInfo.user = key.mUser;
+                mMap.put(key,  pInfo);
+            }
+            return pInfo;
+        }
+
+        Collection<PackageItemInfo> values() {
+            return mMap.values();
+        }
+    }
 }
\ No newline at end of file
diff --git a/tests/tapl/com/android/launcher3/tapl/LauncherInstrumentation.java b/tests/tapl/com/android/launcher3/tapl/LauncherInstrumentation.java
index f5c1efa..96e8222 100644
--- a/tests/tapl/com/android/launcher3/tapl/LauncherInstrumentation.java
+++ b/tests/tapl/com/android/launcher3/tapl/LauncherInstrumentation.java
@@ -39,6 +39,7 @@
 import android.graphics.Rect;
 import android.net.Uri;
 import android.os.Bundle;
+import android.os.DeadObjectException;
 import android.os.Parcelable;
 import android.os.RemoteException;
 import android.os.SystemClock;
@@ -269,6 +270,9 @@
         try (ContentProviderClient client = getContext().getContentResolver()
                 .acquireContentProviderClient(mTestProviderUri)) {
             return client.call(request, null, null);
+        } catch (DeadObjectException e) {
+            fail("Launcher crashed");
+            return null;
         } catch (RemoteException e) {
             throw new RuntimeException(e);
         }
diff --git a/tests/tapl/com/android/launcher3/tapl/Widgets.java b/tests/tapl/com/android/launcher3/tapl/Widgets.java
index 51e331d..99d9889 100644
--- a/tests/tapl/com/android/launcher3/tapl/Widgets.java
+++ b/tests/tapl/com/android/launcher3/tapl/Widgets.java
@@ -185,8 +185,12 @@
                     targetAppSelector);
             if (headerTitle != null) {
                 // If we find the header and it has not been expanded, let's click it to see the
-                // widgets list.
-                if (!hasHeaderExpanded) {
+                // widgets list. Note that we wait until the header is out of the gesture region at
+                // the bottom of the screen, because tapping there in Launcher3 causes NexusLauncher
+                // to briefly appear to handle the gesture, which can break our test.
+                boolean isHeaderOutOfGestureRegion = headerTitle.getVisibleCenter().y
+                        < mLauncher.getBottomGestureStartOnScreen();
+                if (!hasHeaderExpanded && isHeaderOutOfGestureRegion) {
                     log("Header has not been expanded. Click to expand.");
                     hasHeaderExpanded = true;
                     mLauncher.clickLauncherObject(headerTitle);