diff --git a/go/quickstep/src/com/android/quickstep/TaskOverlayFactoryGo.java b/go/quickstep/src/com/android/quickstep/TaskOverlayFactoryGo.java
index c997e52..253147d 100644
--- a/go/quickstep/src/com/android/quickstep/TaskOverlayFactoryGo.java
+++ b/go/quickstep/src/com/android/quickstep/TaskOverlayFactoryGo.java
@@ -50,8 +50,8 @@
 import androidx.annotation.VisibleForTesting;
 
 import com.android.launcher3.BaseActivity;
+import com.android.launcher3.LauncherPrefs;
 import com.android.launcher3.R;
-import com.android.launcher3.Utilities;
 import com.android.launcher3.views.ArrowTipView;
 import com.android.quickstep.util.AssistContentRequester;
 import com.android.quickstep.util.RecentsOrientedState;
@@ -124,7 +124,7 @@
                 AssistContentRequester assistContentRequester) {
             super(taskThumbnailView);
             mFactoryContentRequester = assistContentRequester;
-            mSharedPreferences = Utilities.getPrefs(mApplicationContext);
+            mSharedPreferences = LauncherPrefs.getPrefs(mApplicationContext);
         }
 
         /**
@@ -151,7 +151,7 @@
             boolean isAllowedByPolicy = mThumbnailView.isRealSnapshot() && !isManagedProfileTask;
             getActionsView().setCallbacks(new OverlayUICallbacksGoImpl(isAllowedByPolicy, task));
             mTaskPackageName = task.key.getPackageName();
-            mSharedPreferences = Utilities.getPrefs(mApplicationContext);
+            mSharedPreferences = LauncherPrefs.getPrefs(mApplicationContext);
             checkSettings();
 
             if (!mAssistStructurePermitted || !mAssistScreenshotPermitted
diff --git a/go/src/com/android/launcher3/model/WidgetsModel.java b/go/src/com/android/launcher3/model/WidgetsModel.java
index 9a000d6..1aa5d03 100644
--- a/go/src/com/android/launcher3/model/WidgetsModel.java
+++ b/go/src/com/android/launcher3/model/WidgetsModel.java
@@ -41,10 +41,8 @@
  */
 public class WidgetsModel {
 
-    // True if the widget support is disabled.
+    // True is the widget support is disabled.
     public static final boolean GO_DISABLE_WIDGETS = true;
-    // True if the shortcut support is disabled.
-    public static final boolean GO_DISABLE_SHORTCUTS = true;
     public static final boolean GO_DISABLE_NOTIFICATION_DOTS = true;
 
     private static final ArrayList<WidgetsListBaseEntry> EMPTY_WIDGET_LIST = new ArrayList<>();
diff --git a/lint-baseline-launcher3.xml b/lint-baseline-launcher3.xml
index 107a346..a9dc0c6 100644
--- a/lint-baseline-launcher3.xml
+++ b/lint-baseline-launcher3.xml
@@ -606,4 +606,20 @@
             column="61"/>
     </issue>
 
+    <issue
+        id="NewApi"
+        message="Call requires API level 33 (current min is 26): `android.app.Activity#getOnBackInvokedDispatcher`">
+        <location
+            file="packages/apps/Launcher3/src/com/android/launcher3/BaseActivity.java"
+            line="182"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Call requires API level 33 (current min is 26): `android.window.OnBackInvokedDispatcher#registerOnBackInvokedCallback`">
+        <location
+            file="packages/apps/Launcher3/src/com/android/launcher3/BaseActivity.java"
+            line="182"/>
+    </issue>
+
 </issues>
diff --git a/quickstep/res/layout/all_apps_edu_view.xml b/quickstep/res/layout/all_apps_edu_view.xml
index e7ef6e6..0dd4df1 100644
--- a/quickstep/res/layout/all_apps_edu_view.xml
+++ b/quickstep/res/layout/all_apps_edu_view.xml
@@ -3,4 +3,5 @@
     xmlns:android="http://schemas.android.com/apk/res/android"
     android:orientation="vertical"
     android:layout_width="@dimen/swipe_edu_width"
-    android:layout_height="@dimen/swipe_edu_max_height"/>
+    android:layout_height="@dimen/swipe_edu_max_height"
+    android:accessibilityPaneTitle="@string/taskbar_edu_a11y_title"/>
diff --git a/quickstep/res/layout/taskbar_all_apps.xml b/quickstep/res/layout/taskbar_all_apps.xml
index 34d4b23..a0dce65 100644
--- a/quickstep/res/layout/taskbar_all_apps.xml
+++ b/quickstep/res/layout/taskbar_all_apps.xml
@@ -17,7 +17,8 @@
 <com.android.launcher3.taskbar.allapps.TaskbarAllAppsSlideInView
     xmlns:android="http://schemas.android.com/apk/res/android"
     android:layout_width="match_parent"
-    android:layout_height="match_parent">
+    android:layout_height="match_parent"
+    android:accessibilityPaneTitle="@string/all_apps_label">
 
     <com.android.launcher3.taskbar.allapps.TaskbarAllAppsContainerView
         android:id="@+id/apps_view"
diff --git a/quickstep/res/values/strings.xml b/quickstep/res/values/strings.xml
index 1a801b5..eabe079 100644
--- a/quickstep/res/values/strings.xml
+++ b/quickstep/res/values/strings.xml
@@ -189,10 +189,10 @@
     <string name="allset_hint">Swipe up to go Home</string>
     <!-- Hint string at the bottom of "All Set" page for button navigation [CHAR LIMIT=NONE] -->
     <string name="allset_button_hint">Tap the home button to go to your home screen</string>
-    <!-- Description of "All Set" page on phones [CHAR LIMIT=NONE] -->
-    <string name="allset_description">You\u2019re ready to start using your phone</string>
-    <!-- Description of "All Set" page on tablets [CHAR LIMIT=NONE] -->
-    <string name="allset_description_tablet">You\u2019re ready to start using your tablet</string>
+    <!-- Description of "All Set" page on the user's device [CHAR LIMIT=NONE] -->
+    <string name="allset_description_generic">You\u2019re ready to start using your <xliff:g id="device" example="Pixel 6">%1$s</xliff:g></string>
+    <!-- A default device name to use in the description of the "All Set" page [CHAR LIMIT=NONE] -->
+    <string name="default_device_name">device</string>
     <!-- String linking to navigation settings on "All Set" page [CHAR LIMIT=NONE] -->
     <string name="allset_navigation_settings"><annotation id="link">System navigation settings</annotation></string>
 
@@ -224,6 +224,8 @@
     <string name="accessibility_rotate_button">Rotate screen</string>
 
     <!-- ******* Taskbar Edu ******* -->
+    <!-- Accessibility title for the taskbar education window. [CHAR_LIMIT=NONE] -->
+    <string name="taskbar_edu_a11y_title">Taskbar education</string>
     <!-- Accessibility text spoken when the taskbar education panel appears [CHAR_LIMIT=NONE] -->
     <string name="taskbar_edu_opened">Taskbar education appeared</string>
     <!-- Accessibility text spoken when the taskbar education panel disappears [CHAR_LIMIT=NONE] -->
@@ -259,6 +261,10 @@
     <string name="taskbar_button_notifications">Notifications</string>
     <!-- Content description for quick settings button [CHAR_LIMIT=16] -->
     <string name="taskbar_button_quick_settings">Quick Settings</string>
+    <!-- Accessibility title for the taskbar window. [CHAR_LIMIT=NONE] -->
+    <string name="taskbar_a11y_title">Taskbar</string>
+    <!-- Accessibility title for the taskbar window on phones. [CHAR_LIMIT=NONE] -->
+    <string name="taskbar_phone_a11y_title">Navigation bar</string>
 
     <!-- Label for moving drop target to the top or left side of the screen, depending on orientation (from the taskbar only). -->
     <string name="move_drop_target_top_or_left">Move to top&#47;left</string>
diff --git a/quickstep/src/com/android/launcher3/QuickstepTransitionManager.java b/quickstep/src/com/android/launcher3/QuickstepTransitionManager.java
index 1b47939..dcad873 100644
--- a/quickstep/src/com/android/launcher3/QuickstepTransitionManager.java
+++ b/quickstep/src/com/android/launcher3/QuickstepTransitionManager.java
@@ -194,6 +194,7 @@
     public static final int SPLIT_DIVIDER_ANIM_DURATION = 100;
 
     public static final int CONTENT_ALPHA_DURATION = 217;
+    public static final int TRANSIENT_TASKBAR_TRANSITION_DURATION = 417;
     public static final int TASKBAR_TO_APP_DURATION = 600;
     // TODO(b/236145847): Tune TASKBAR_TO_HOME_DURATION to 383 after conflict with unlock animation
     // is solved.
diff --git a/quickstep/src/com/android/launcher3/hybridhotseat/HotseatPredictionController.java b/quickstep/src/com/android/launcher3/hybridhotseat/HotseatPredictionController.java
index 05b8167..0a2a9b3 100644
--- a/quickstep/src/com/android/launcher3/hybridhotseat/HotseatPredictionController.java
+++ b/quickstep/src/com/android/launcher3/hybridhotseat/HotseatPredictionController.java
@@ -305,7 +305,7 @@
      * Sets or updates the predicted items only once the hotseat becomes hidden to the user
      */
     private void applyPredictedItems(FixedContainerItems items) {
-        mPredictedItems = items.items;
+        mPredictedItems = new ArrayList(items.items);
         if (mPredictedItems.isEmpty()) {
             HotseatRestoreHelper.restoreBackup(mLauncher);
         }
diff --git a/quickstep/src/com/android/launcher3/model/PredictionUpdateTask.java b/quickstep/src/com/android/launcher3/model/PredictionUpdateTask.java
index bc3253f..e504141 100644
--- a/quickstep/src/com/android/launcher3/model/PredictionUpdateTask.java
+++ b/quickstep/src/com/android/launcher3/model/PredictionUpdateTask.java
@@ -30,12 +30,14 @@
 import androidx.annotation.NonNull;
 
 import com.android.launcher3.LauncherAppState;
-import com.android.launcher3.Utilities;
+import com.android.launcher3.LauncherPrefs;
 import com.android.launcher3.model.BgDataModel.FixedContainerItems;
 import com.android.launcher3.model.QuickstepModelDelegate.PredictorState;
 import com.android.launcher3.model.data.AppInfo;
+import com.android.launcher3.model.data.ItemInfo;
 import com.android.launcher3.model.data.WorkspaceItemInfo;
 
+import java.util.ArrayList;
 import java.util.List;
 import java.util.Set;
 import java.util.stream.Collectors;
@@ -59,7 +61,7 @@
         Context context = app.getContext();
 
         // TODO: remove this
-        Utilities.getDevicePrefs(context).edit()
+        LauncherPrefs.getDevicePrefs(context).edit()
                 .putBoolean(LAST_PREDICTION_ENABLED_STATE, !mTargets.isEmpty()).apply();
 
         Set<UserHandle> usersForChangedShortcuts =
@@ -68,7 +70,7 @@
                         .map(info -> info.user)
                         .collect(Collectors.toSet());
 
-        FixedContainerItems fci = new FixedContainerItems(mPredictorState.containerId);
+        List<ItemInfo> items = new ArrayList<>(mTargets.size());
         for (AppTarget target : mTargets) {
             WorkspaceItemInfo itemInfo;
             ShortcutInfo si = target.getShortcutInfo();
@@ -107,10 +109,11 @@
                 }
             }
 
-            itemInfo.container = fci.containerId;
-            fci.items.add(itemInfo);
+            itemInfo.container = mPredictorState.containerId;
+            items.add(itemInfo);
         }
 
+        FixedContainerItems fci = new FixedContainerItems(mPredictorState.containerId, items);
         dataModel.extraItems.put(fci.containerId, fci);
         bindExtraContainerItems(fci);
         usersForChangedShortcuts.forEach(
diff --git a/quickstep/src/com/android/launcher3/model/QuickstepModelDelegate.java b/quickstep/src/com/android/launcher3/model/QuickstepModelDelegate.java
index de0b14d..118cfc6 100644
--- a/quickstep/src/com/android/launcher3/model/QuickstepModelDelegate.java
+++ b/quickstep/src/com/android/launcher3/model/QuickstepModelDelegate.java
@@ -18,12 +18,12 @@
 import static android.text.format.DateUtils.DAY_IN_MILLIS;
 import static android.text.format.DateUtils.formatElapsedTime;
 
+import static com.android.launcher3.LauncherPrefs.getDevicePrefs;
 import static com.android.launcher3.LauncherSettings.Favorites.CONTAINER_HOTSEAT_PREDICTION;
 import static com.android.launcher3.LauncherSettings.Favorites.CONTAINER_PREDICTION;
 import static com.android.launcher3.LauncherSettings.Favorites.CONTAINER_WIDGETS_PREDICTION;
 import static com.android.launcher3.LauncherSettings.Favorites.ITEM_TYPE_APPLICATION;
 import static com.android.launcher3.LauncherSettings.Favorites.ITEM_TYPE_DEEP_SHORTCUT;
-import static com.android.launcher3.Utilities.getDevicePrefs;
 import static com.android.launcher3.hybridhotseat.HotseatPredictionModel.convertDataModelToAppTargetBundle;
 import static com.android.launcher3.model.PredictionHelper.getAppTargetFromItemInfo;
 import static com.android.launcher3.model.PredictionHelper.wrapAppTargetWithItemLocation;
@@ -132,7 +132,8 @@
 
         // Widgets prediction isn't used frequently. And thus, it is not persisted on disk.
         mDataModel.extraItems.put(mWidgetsRecommendationState.containerId,
-                new FixedContainerItems(mWidgetsRecommendationState.containerId));
+                new FixedContainerItems(mWidgetsRecommendationState.containerId,
+                        new ArrayList<>()));
         mActive = true;
     }
 
diff --git a/quickstep/src/com/android/launcher3/model/WellbeingModel.java b/quickstep/src/com/android/launcher3/model/WellbeingModel.java
index 68ed682..fb2d0dc 100644
--- a/quickstep/src/com/android/launcher3/model/WellbeingModel.java
+++ b/quickstep/src/com/android/launcher3/model/WellbeingModel.java
@@ -18,8 +18,6 @@
 
 import static android.content.ContentResolver.SCHEME_CONTENT;
 
-import static com.android.launcher3.Utilities.newContentObserver;
-
 import android.annotation.TargetApi;
 import android.app.RemoteAction;
 import android.content.ContentProviderClient;
diff --git a/quickstep/src/com/android/launcher3/model/WidgetsPredictionUpdateTask.java b/quickstep/src/com/android/launcher3/model/WidgetsPredictionUpdateTask.java
index 1beabf1..6160378 100644
--- a/quickstep/src/com/android/launcher3/model/WidgetsPredictionUpdateTask.java
+++ b/quickstep/src/com/android/launcher3/model/WidgetsPredictionUpdateTask.java
@@ -25,6 +25,7 @@
 import com.android.launcher3.LauncherAppState;
 import com.android.launcher3.model.BgDataModel.FixedContainerItems;
 import com.android.launcher3.model.QuickstepModelDelegate.PredictorState;
+import com.android.launcher3.model.data.ItemInfo;
 import com.android.launcher3.util.ComponentKey;
 import com.android.launcher3.util.PackageUserKey;
 import com.android.launcher3.widget.PendingAddWidgetInfo;
@@ -91,10 +92,12 @@
         if (servicePredictedItems.isEmpty()) {
             servicePredictedItems.addAll(localFilteredWidgets);
         }
+
+        List<ItemInfo> items = servicePredictedItems.stream()
+                .map(it -> new PendingAddWidgetInfo(it.widgetInfo, CONTAINER_WIDGETS_PREDICTION))
+                .collect(Collectors.toList());
         FixedContainerItems fixedContainerItems =
-                new FixedContainerItems(mPredictorState.containerId);
-        servicePredictedItems.forEach(w -> fixedContainerItems.items.add(
-                new PendingAddWidgetInfo(w.widgetInfo, CONTAINER_WIDGETS_PREDICTION)));
+                new FixedContainerItems(mPredictorState.containerId, items);
 
         dataModel.extraItems.put(mPredictorState.containerId, fixedContainerItems);
         bindExtraContainerItems(fixedContainerItems);
diff --git a/quickstep/src/com/android/launcher3/popup/QuickstepSystemShortcut.java b/quickstep/src/com/android/launcher3/popup/QuickstepSystemShortcut.java
index 7c3281a..7cf8201 100644
--- a/quickstep/src/com/android/launcher3/popup/QuickstepSystemShortcut.java
+++ b/quickstep/src/com/android/launcher3/popup/QuickstepSystemShortcut.java
@@ -15,20 +15,29 @@
  */
 package com.android.launcher3.popup;
 
+import static com.android.launcher3.config.FeatureFlags.ENABLE_SPLIT_FROM_WORKSPACE_TO_WORKSPACE;
 import static com.android.launcher3.util.SplitConfigurationOptions.getLogEventForPosition;
+import static com.android.quickstep.util.SplitAnimationTimings.TABLET_HOME_TO_SPLIT;
 
 import android.content.Intent;
 import android.graphics.Bitmap;
+import android.graphics.Rect;
+import android.graphics.RectF;
 import android.graphics.drawable.BitmapDrawable;
 import android.graphics.drawable.Drawable;
 import android.util.Log;
 import android.view.View;
 
+import com.android.launcher3.AbstractFloatingView;
+import com.android.launcher3.R;
+import com.android.launcher3.anim.PendingAnimation;
 import com.android.launcher3.logging.StatsLogManager;
 import com.android.launcher3.model.data.ItemInfo;
 import com.android.launcher3.model.data.WorkspaceItemInfo;
 import com.android.launcher3.uioverrides.QuickstepLauncher;
 import com.android.launcher3.util.SplitConfigurationOptions.SplitPositionOption;
+import com.android.quickstep.util.SplitSelectStateController;
+import com.android.quickstep.views.FloatingTaskView;
 import com.android.quickstep.views.RecentsView;
 
 public interface QuickstepSystemShortcut {
@@ -44,6 +53,10 @@
 
     class SplitSelectSystemShortcut extends SystemShortcut<QuickstepLauncher> {
 
+        private final int mSplitPlaceholderSize;
+        private final int mSplitPlaceholderInset;
+
+        private final Rect mTempRect = new Rect();
         private final SplitPositionOption mPosition;
 
         public SplitSelectSystemShortcut(QuickstepLauncher launcher, ItemInfo itemInfo,
@@ -51,6 +64,11 @@
             super(position.iconResId, position.textResId, launcher, itemInfo, originalView);
 
             mPosition = position;
+
+            mSplitPlaceholderSize = launcher.getResources().getDimensionPixelSize(
+                    R.dimen.split_placeholder_size);
+            mSplitPlaceholderInset = launcher.getResources().getDimensionPixelSize(
+                    R.dimen.split_placeholder_inset);
         }
 
         @Override
@@ -72,11 +90,39 @@
                 return;
             }
 
-            RecentsView recentsView = mTarget.getOverviewPanel();
             StatsLogManager.EventEnum splitEvent = getLogEventForPosition(mPosition.stagePosition);
-            recentsView.initiateSplitSelect(
-                    new SplitSelectSource(mOriginalView, new BitmapDrawable(bitmap), intent,
-                            mPosition, mItemInfo, splitEvent));
+            SplitSelectSource source = new SplitSelectSource(mOriginalView,
+                    new BitmapDrawable(bitmap), intent, mPosition, mItemInfo, splitEvent);
+            if (ENABLE_SPLIT_FROM_WORKSPACE_TO_WORKSPACE.get()) {
+                startSplitToHome(source);
+            } else {
+                RecentsView recentsView = mTarget.getOverviewPanel();
+                recentsView.initiateSplitSelect(source);
+            }
+        }
+
+        private void startSplitToHome(SplitSelectSource source) {
+            AbstractFloatingView.closeAllOpenViews(mTarget);
+
+            SplitSelectStateController controller = mTarget.getSplitSelectStateController();
+            controller.setInitialTaskSelect(source.intent, source.position.stagePosition,
+                    source.itemInfo, source.splitEvent);
+
+            RecentsView recentsView = mTarget.getOverviewPanel();
+            recentsView.getPagedOrientationHandler().getInitialSplitPlaceholderBounds(
+                    mSplitPlaceholderSize, mSplitPlaceholderInset, mTarget.getDeviceProfile(),
+                    controller.getActiveSplitStagePosition(), mTempRect);
+
+            PendingAnimation anim = new PendingAnimation(TABLET_HOME_TO_SPLIT.getDuration());
+            RectF startingTaskRect = new RectF();
+            FloatingTaskView floatingTaskView = FloatingTaskView.getFloatingTaskView(mTarget,
+                    source.view, null /* thumbnail */,
+                    source.drawable, startingTaskRect);
+            floatingTaskView.setAlpha(1);
+            floatingTaskView.addStagingAnimation(anim, startingTaskRect, mTempRect,
+                    false /* fadeWithThumbnail */, true /* isStagedTask */);
+            controller.setFirstFloatingTaskView(floatingTaskView);
+            anim.buildAnim().start();
         }
     }
 
@@ -86,7 +132,7 @@
         public final Drawable drawable;
         public final Intent intent;
         public final SplitPositionOption position;
-        public final ItemInfo mItemInfo;
+        public final ItemInfo itemInfo;
         public final StatsLogManager.EventEnum splitEvent;
 
         public SplitSelectSource(View view, Drawable drawable, Intent intent,
@@ -96,7 +142,7 @@
             this.drawable = drawable;
             this.intent = intent;
             this.position = position;
-            this.mItemInfo = itemInfo;
+            this.itemInfo = itemInfo;
             this.splitEvent = splitEvent;
         }
     }
diff --git a/quickstep/src/com/android/launcher3/taskbar/LauncherTaskbarUIController.java b/quickstep/src/com/android/launcher3/taskbar/LauncherTaskbarUIController.java
index beab56c..0945bf2 100644
--- a/quickstep/src/com/android/launcher3/taskbar/LauncherTaskbarUIController.java
+++ b/quickstep/src/com/android/launcher3/taskbar/LauncherTaskbarUIController.java
@@ -17,6 +17,7 @@
 
 import static android.view.InsetsState.ITYPE_EXTRA_NAVIGATION_BAR;
 
+import static com.android.launcher3.QuickstepTransitionManager.TRANSIENT_TASKBAR_TRANSITION_DURATION;
 import static com.android.launcher3.taskbar.TaskbarLauncherStateController.FLAG_RESUMED;
 import static com.android.quickstep.TaskAnimationManager.ENABLE_SHELL_TRANSITIONS;
 
@@ -157,9 +158,11 @@
                 isResumed,
                 fromInit,
                 /* startAnimation= */ true,
-                !isResumed
-                        ? QuickstepTransitionManager.TASKBAR_TO_APP_DURATION
-                        : QuickstepTransitionManager.TASKBAR_TO_HOME_DURATION);
+                DisplayController.isTransientTaskbar(mLauncher)
+                        ? TRANSIENT_TASKBAR_TRANSITION_DURATION
+                        : (!isResumed
+                                ? QuickstepTransitionManager.TASKBAR_TO_APP_DURATION
+                                : QuickstepTransitionManager.TASKBAR_TO_HOME_DURATION));
     }
 
     @Nullable
diff --git a/quickstep/src/com/android/launcher3/taskbar/StashedHandleViewController.java b/quickstep/src/com/android/launcher3/taskbar/StashedHandleViewController.java
index 45d5739..af46df4 100644
--- a/quickstep/src/com/android/launcher3/taskbar/StashedHandleViewController.java
+++ b/quickstep/src/com/android/launcher3/taskbar/StashedHandleViewController.java
@@ -26,8 +26,8 @@
 import android.view.ViewOutlineProvider;
 
 import com.android.launcher3.DeviceProfile;
+import com.android.launcher3.LauncherPrefs;
 import com.android.launcher3.R;
-import com.android.launcher3.Utilities;
 import com.android.launcher3.anim.RevealOutlineAnimation;
 import com.android.launcher3.anim.RoundedRectRevealOutlineProvider;
 import com.android.launcher3.util.DisplayController;
@@ -81,7 +81,7 @@
     public StashedHandleViewController(TaskbarActivityContext activity,
             StashedHandleView stashedHandleView) {
         mActivity = activity;
-        mPrefs = Utilities.getPrefs(mActivity);
+        mPrefs = LauncherPrefs.getPrefs(mActivity);
         mStashedHandleView = stashedHandleView;
         mTaskbarStashedHandleAlpha = new MultiValueAlpha(mStashedHandleView, NUM_ALPHA_CHANNELS);
         mTaskbarStashedHandleAlpha.setUpdateVisibility(true);
diff --git a/quickstep/src/com/android/launcher3/taskbar/TaskbarActivityContext.java b/quickstep/src/com/android/launcher3/taskbar/TaskbarActivityContext.java
index 27159d3..f51bc55 100644
--- a/quickstep/src/com/android/launcher3/taskbar/TaskbarActivityContext.java
+++ b/quickstep/src/com/android/launcher3/taskbar/TaskbarActivityContext.java
@@ -332,6 +332,10 @@
         windowLayoutParams.layoutInDisplayCutoutMode = LAYOUT_IN_DISPLAY_CUTOUT_MODE_ALWAYS;
         windowLayoutParams.privateFlags =
                 WindowManager.LayoutParams.PRIVATE_FLAG_NO_MOVE_ANIMATION;
+        windowLayoutParams.accessibilityTitle = getString(
+                TaskbarManager.isPhoneMode(mDeviceProfile)
+                        ? R.string.taskbar_phone_a11y_title
+                        : R.string.taskbar_a11y_title);
         return windowLayoutParams;
     }
 
@@ -958,12 +962,13 @@
         }
         mControllers.taskbarStashController.addUnstashToHotseatAnimation(fullAnimation, duration);
 
-        if (!FeatureFlags.ENABLE_ALL_APPS_BUTTON_IN_HOTSEAT.get()) {
+        View allAppsButton = mControllers.taskbarViewController.getAllAppsButtonView();
+        if (allAppsButton != null && !FeatureFlags.ENABLE_ALL_APPS_BUTTON_IN_HOTSEAT.get()) {
             ValueAnimator alphaOverride = ValueAnimator.ofFloat(0, 1);
             alphaOverride.setDuration(duration);
             alphaOverride.addUpdateListener(a -> {
                 // Override the alpha updates in the icon alignment animation.
-                mControllers.taskbarViewController.getAllAppsButtonView().setAlpha(0);
+                allAppsButton.setAlpha(0);
             });
             fullAnimation.play(alphaOverride);
         }
diff --git a/quickstep/src/com/android/launcher3/taskbar/TaskbarStashController.java b/quickstep/src/com/android/launcher3/taskbar/TaskbarStashController.java
index 06348e2..6274ec0 100644
--- a/quickstep/src/com/android/launcher3/taskbar/TaskbarStashController.java
+++ b/quickstep/src/com/android/launcher3/taskbar/TaskbarStashController.java
@@ -42,6 +42,7 @@
 import com.android.internal.jank.InteractionJankMonitor;
 import com.android.launcher3.Alarm;
 import com.android.launcher3.DeviceProfile;
+import com.android.launcher3.LauncherPrefs;
 import com.android.launcher3.R;
 import com.android.launcher3.Utilities;
 import com.android.launcher3.anim.AnimatorListeners;
@@ -187,7 +188,7 @@
 
     public TaskbarStashController(TaskbarActivityContext activity) {
         mActivity = activity;
-        mPrefs = Utilities.getPrefs(mActivity);
+        mPrefs = LauncherPrefs.getPrefs(mActivity);
         mSystemUiProxy = SystemUiProxy.INSTANCE.get(activity);
         if (isPhoneMode()) {
             // DeviceProfile's taskbar vars aren't initialized w/ the flag off
diff --git a/quickstep/src/com/android/launcher3/taskbar/TaskbarView.java b/quickstep/src/com/android/launcher3/taskbar/TaskbarView.java
index fe38bb1..c4eeca7 100644
--- a/quickstep/src/com/android/launcher3/taskbar/TaskbarView.java
+++ b/quickstep/src/com/android/launcher3/taskbar/TaskbarView.java
@@ -422,6 +422,7 @@
     /**
      * Returns the all apps button in the taskbar.
      */
+    @Nullable
     public View getAllAppsButtonView() {
         return mAllAppsButton;
     }
diff --git a/quickstep/src/com/android/launcher3/taskbar/TaskbarViewController.java b/quickstep/src/com/android/launcher3/taskbar/TaskbarViewController.java
index 80a31b4..9936d27 100644
--- a/quickstep/src/com/android/launcher3/taskbar/TaskbarViewController.java
+++ b/quickstep/src/com/android/launcher3/taskbar/TaskbarViewController.java
@@ -240,6 +240,7 @@
         return mTaskbarView.getIconViews();
     }
 
+    @Nullable
     public View getAllAppsButtonView() {
         return mTaskbarView.getAllAppsButtonView();
     }
diff --git a/quickstep/src/com/android/launcher3/taskbar/overlay/TaskbarOverlayContext.java b/quickstep/src/com/android/launcher3/taskbar/overlay/TaskbarOverlayContext.java
index 7e3163d..ebaf60a 100644
--- a/quickstep/src/com/android/launcher3/taskbar/overlay/TaskbarOverlayContext.java
+++ b/quickstep/src/com/android/launcher3/taskbar/overlay/TaskbarOverlayContext.java
@@ -19,8 +19,8 @@
 import android.view.View;
 
 import com.android.launcher3.DeviceProfile;
+import com.android.launcher3.LauncherPrefs;
 import com.android.launcher3.R;
-import com.android.launcher3.Utilities;
 import com.android.launcher3.allapps.ActivityAllAppsContainerView;
 import com.android.launcher3.allapps.search.DefaultSearchAdapterProvider;
 import com.android.launcher3.allapps.search.SearchAdapterProvider;
@@ -62,7 +62,7 @@
         mOverlayController = controllers.taskbarOverlayController;
         mDragController = new TaskbarDragController(this);
         mDragController.init(controllers);
-        mOnboardingPrefs = new OnboardingPrefs<>(this, Utilities.getPrefs(this));
+        mOnboardingPrefs = new OnboardingPrefs<>(this, LauncherPrefs.getPrefs(this));
         mDragLayer = new TaskbarOverlayDragLayer(this);
 
         TaskbarStashController taskbarStashController = controllers.taskbarStashController;
diff --git a/quickstep/src/com/android/launcher3/uioverrides/ApiWrapper.java b/quickstep/src/com/android/launcher3/uioverrides/ApiWrapper.java
index 729eea9..379a6cd 100644
--- a/quickstep/src/com/android/launcher3/uioverrides/ApiWrapper.java
+++ b/quickstep/src/com/android/launcher3/uioverrides/ApiWrapper.java
@@ -24,7 +24,7 @@
 import androidx.annotation.Nullable;
 
 import com.android.launcher3.Utilities;
-import com.android.launcher3.widget.LauncherAppWidgetHost;
+import com.android.launcher3.widget.LauncherWidgetHolder;
 
 /**
  * A wrapper for the hidden API calls
@@ -44,7 +44,7 @@
      * @param handler InteractionHandler for the views in the host
      */
     public static void setHostInteractionHandler(@NonNull AppWidgetHost host,
-            @Nullable LauncherAppWidgetHost.LauncherWidgetInteractionHandler handler) {
+            @Nullable LauncherWidgetHolder.LauncherWidgetInteractionHandler handler) {
         host.setInteractionHandler(handler::onInteraction);
     }
 }
diff --git a/quickstep/src/com/android/launcher3/uioverrides/QuickstepInteractionHandler.java b/quickstep/src/com/android/launcher3/uioverrides/QuickstepInteractionHandler.java
index 2dde6b6..353d817 100644
--- a/quickstep/src/com/android/launcher3/uioverrides/QuickstepInteractionHandler.java
+++ b/quickstep/src/com/android/launcher3/uioverrides/QuickstepInteractionHandler.java
@@ -33,12 +33,12 @@
 import com.android.launcher3.logging.StatsLogManager;
 import com.android.launcher3.model.data.ItemInfo;
 import com.android.launcher3.util.ActivityOptionsWrapper;
-import com.android.launcher3.widget.LauncherAppWidgetHost;
 import com.android.launcher3.widget.LauncherAppWidgetHostView;
+import com.android.launcher3.widget.LauncherWidgetHolder;
 
 /** Provides a Quickstep specific animation when launching an activity from an app widget. */
-class QuickstepInteractionHandler implements
-        LauncherAppWidgetHost.LauncherWidgetInteractionHandler {
+class QuickstepInteractionHandler
+        implements LauncherWidgetHolder.LauncherWidgetInteractionHandler {
 
     private static final String TAG = "QuickstepInteractionHandler";
 
diff --git a/quickstep/src/com/android/launcher3/uioverrides/QuickstepLauncher.java b/quickstep/src/com/android/launcher3/uioverrides/QuickstepLauncher.java
index 9813c8a..36d9686 100644
--- a/quickstep/src/com/android/launcher3/uioverrides/QuickstepLauncher.java
+++ b/quickstep/src/com/android/launcher3/uioverrides/QuickstepLauncher.java
@@ -78,7 +78,6 @@
 import com.android.launcher3.Launcher;
 import com.android.launcher3.LauncherSettings.Favorites;
 import com.android.launcher3.LauncherState;
-import com.android.launcher3.LauncherWidgetHolder;
 import com.android.launcher3.QuickstepAccessibilityDelegate;
 import com.android.launcher3.QuickstepTransitionManager;
 import com.android.launcher3.R;
@@ -96,6 +95,7 @@
 import com.android.launcher3.model.BgDataModel.FixedContainerItems;
 import com.android.launcher3.model.WellbeingModel;
 import com.android.launcher3.model.data.ItemInfo;
+import com.android.launcher3.model.data.WorkspaceItemInfo;
 import com.android.launcher3.popup.SystemShortcut;
 import com.android.launcher3.proxy.ProxyActivityStarter;
 import com.android.launcher3.proxy.StartActivityParams;
@@ -125,6 +125,7 @@
 import com.android.launcher3.util.RunnableList;
 import com.android.launcher3.util.SplitConfigurationOptions.SplitPositionOption;
 import com.android.launcher3.util.TouchController;
+import com.android.launcher3.widget.LauncherWidgetHolder;
 import com.android.quickstep.OverviewCommandHelper;
 import com.android.quickstep.RecentsModel;
 import com.android.quickstep.SystemUiProxy;
@@ -136,6 +137,7 @@
 import com.android.quickstep.util.RemoteAnimationProvider;
 import com.android.quickstep.util.RemoteFadeOutAnimationListener;
 import com.android.quickstep.util.SplitSelectStateController;
+import com.android.quickstep.util.SplitToWorkspaceController;
 import com.android.quickstep.util.SplitWithKeyboardShortcutController;
 import com.android.quickstep.util.TISBindHelper;
 import com.android.quickstep.views.OverviewActionsView;
@@ -182,7 +184,10 @@
     private @Nullable RotationChangeProvider mRotationChangeProvider;
     private @Nullable LauncherUnfoldAnimationController mLauncherUnfoldAnimationController;
 
+    private SplitSelectStateController mSplitSelectStateController;
     private SplitWithKeyboardShortcutController mSplitWithKeyboardShortcutController;
+    private SplitToWorkspaceController mSplitToWorkspaceController;
+
     /**
      * If Launcher restarted while in the middle of an Overview split select, it needs this data to
      * recover. In all other cases this will remain null.
@@ -199,12 +204,14 @@
 
         mActionsView = findViewById(R.id.overview_actions_view);
         RecentsView overviewPanel = getOverviewPanel();
-        SplitSelectStateController controller =
+        mSplitSelectStateController =
                 new SplitSelectStateController(this, mHandler, getStateManager(),
                         getDepthController(), getStatsLogManager());
-        overviewPanel.init(mActionsView, controller);
+        overviewPanel.init(mActionsView, mSplitSelectStateController);
         mSplitWithKeyboardShortcutController = new SplitWithKeyboardShortcutController(this,
-                controller);
+                mSplitSelectStateController);
+        mSplitToWorkspaceController = new SplitToWorkspaceController(this,
+                mSplitSelectStateController);
         mActionsView.updateDimension(getDeviceProfile(), overviewPanel.getLastComputedTaskSize());
         mActionsView.updateVerticalMargin(DisplayController.getNavigationMode(this));
 
@@ -330,7 +337,7 @@
     }
 
     protected void onItemClicked(View view) {
-        if (!mSplitWithKeyboardShortcutController.handleSecondAppSelectionForSplit(view)) {
+        if (!mSplitToWorkspaceController.handleSecondAppSelectionForSplit(view)) {
             QuickstepLauncher.super.getItemOnClickListener().onClick(view);
         }
     }
@@ -724,6 +731,10 @@
         return mTaskbarUIController;
     }
 
+    public SplitSelectStateController getSplitSelectStateController() {
+        return mSplitSelectStateController;
+    }
+
     public <T extends OverviewActionsView> T getActionsView() {
         return (T) mActionsView;
     }
diff --git a/quickstep/src/com/android/launcher3/uioverrides/plugins/PluginEnablerImpl.java b/quickstep/src/com/android/launcher3/uioverrides/plugins/PluginEnablerImpl.java
index 5afeca7..faa900b 100644
--- a/quickstep/src/com/android/launcher3/uioverrides/plugins/PluginEnablerImpl.java
+++ b/quickstep/src/com/android/launcher3/uioverrides/plugins/PluginEnablerImpl.java
@@ -18,11 +18,11 @@
 import android.content.Context;
 import android.content.SharedPreferences;
 
-import com.android.launcher3.Utilities;
-import com.android.systemui.shared.plugins.PluginEnabler;
-
 import androidx.preference.PreferenceDataStore;
 
+import com.android.launcher3.LauncherPrefs;
+import com.android.systemui.shared.plugins.PluginEnabler;
+
 public class PluginEnablerImpl extends PreferenceDataStore implements PluginEnabler {
 
     private static final String PREFIX_PLUGIN_ENABLED = "PLUGIN_ENABLED_";
@@ -30,7 +30,7 @@
     final private SharedPreferences mSharedPrefs;
 
     public PluginEnablerImpl(Context context) {
-        mSharedPrefs = Utilities.getDevicePrefs(context);
+        mSharedPrefs = LauncherPrefs.getDevicePrefs(context);
     }
 
     @Override
diff --git a/quickstep/src/com/android/launcher3/uioverrides/touchcontrollers/NoButtonNavbarToOverviewTouchController.java b/quickstep/src/com/android/launcher3/uioverrides/touchcontrollers/NoButtonNavbarToOverviewTouchController.java
index 918b3c1..f343f52 100644
--- a/quickstep/src/com/android/launcher3/uioverrides/touchcontrollers/NoButtonNavbarToOverviewTouchController.java
+++ b/quickstep/src/com/android/launcher3/uioverrides/touchcontrollers/NoButtonNavbarToOverviewTouchController.java
@@ -26,6 +26,7 @@
 import static com.android.launcher3.anim.AnimatorListeners.forSuccessCallback;
 import static com.android.launcher3.anim.Interpolators.ACCEL_DEACCEL;
 import static com.android.quickstep.util.VibratorWrapper.OVERVIEW_HAPTIC;
+import static com.android.systemui.shared.system.QuickStepContract.SYSUI_STATE_ONE_HANDED_ACTIVE;
 import static com.android.systemui.shared.system.QuickStepContract.SYSUI_STATE_OVERVIEW_DISABLED;
 
 import android.animation.ObjectAnimator;
@@ -86,6 +87,11 @@
     @Override
     protected boolean canInterceptTouch(MotionEvent ev) {
         mDidTouchStartInNavBar = (ev.getEdgeFlags() & EDGE_NAV_BAR) != 0;
+        boolean isOneHandedModeActive = (SystemUiProxy.INSTANCE.get(mLauncher)
+                .getLastSystemUiStateFlags() & SYSUI_STATE_ONE_HANDED_ACTIVE) != 0;
+        // Reset touch slop multiplier to default 1.0f if one-handed-mode is not active
+        mDetector.setTouchSlopMultiplier(
+                isOneHandedModeActive ? ONE_HANDED_ACTIVATED_SLOP_MULTIPLIER : 1f /* default */);
         return super.canInterceptTouch(ev) && !mLauncher.isInState(HINT_STATE);
     }
 
@@ -277,14 +283,4 @@
     private float dpiFromPx(float pixels) {
         return Utilities.dpiFromPx(pixels, mLauncher.getResources().getDisplayMetrics().densityDpi);
     }
-
-    @Override
-    public void onOneHandedModeStateChanged(boolean activated) {
-        if (activated) {
-            mDetector.setTouchSlopMultiplier(ONE_HANDED_ACTIVATED_SLOP_MULTIPLIER);
-        } else {
-            // Reset touch slop multiplier to default 1.0f
-            mDetector.setTouchSlopMultiplier(1f /* default */);
-        }
-    }
 }
diff --git a/quickstep/src/com/android/quickstep/BaseActivityInterface.java b/quickstep/src/com/android/quickstep/BaseActivityInterface.java
index a622326..2c3ba85 100644
--- a/quickstep/src/com/android/quickstep/BaseActivityInterface.java
+++ b/quickstep/src/com/android/quickstep/BaseActivityInterface.java
@@ -121,9 +121,6 @@
 
     public abstract void onAssistantVisibilityChanged(float visibility);
 
-    /** Called when one handed mode activated or deactivated. */
-    public abstract void onOneHandedModeStateChanged(boolean activated);
-
     public abstract AnimationFactory prepareRecentsUI(RecentsAnimationDeviceState deviceState,
             boolean activityVisible, Consumer<AnimatorControllerWithResistance> callback);
 
diff --git a/quickstep/src/com/android/quickstep/FallbackActivityInterface.java b/quickstep/src/com/android/quickstep/FallbackActivityInterface.java
index c62220f..ae9fb0b 100644
--- a/quickstep/src/com/android/quickstep/FallbackActivityInterface.java
+++ b/quickstep/src/com/android/quickstep/FallbackActivityInterface.java
@@ -77,11 +77,6 @@
         // set to zero prior to this class becoming active.
     }
 
-    @Override
-    public void onOneHandedModeStateChanged(boolean activated) {
-        // Do nothing for FallbackActivityInterface
-    }
-
     /** 6 */
     @Override
     public AnimationFactory prepareRecentsUI(RecentsAnimationDeviceState deviceState,
diff --git a/quickstep/src/com/android/quickstep/LauncherActivityInterface.java b/quickstep/src/com/android/quickstep/LauncherActivityInterface.java
index ecb3747..9ff9416 100644
--- a/quickstep/src/com/android/quickstep/LauncherActivityInterface.java
+++ b/quickstep/src/com/android/quickstep/LauncherActivityInterface.java
@@ -109,15 +109,6 @@
     }
 
     @Override
-    public void onOneHandedModeStateChanged(boolean activated) {
-        Launcher launcher = getCreatedActivity();
-        if (launcher == null) {
-            return;
-        }
-        launcher.onOneHandedStateChanged(activated);
-    }
-
-    @Override
     public AnimationFactory prepareRecentsUI(RecentsAnimationDeviceState deviceState,
             boolean activityVisible, Consumer<AnimatorControllerWithResistance> callback) {
         notifyRecentsOfOrientation(deviceState.getRotationTouchHelper());
diff --git a/quickstep/src/com/android/quickstep/OverviewComponentObserver.java b/quickstep/src/com/android/quickstep/OverviewComponentObserver.java
index 9e3173c..8e07376 100644
--- a/quickstep/src/com/android/quickstep/OverviewComponentObserver.java
+++ b/quickstep/src/com/android/quickstep/OverviewComponentObserver.java
@@ -115,11 +115,6 @@
         if (mDeviceState.isHomeDisabled() != mIsHomeDisabled) {
             updateOverviewTargets();
         }
-
-        // Notify ALL_APPS touch controller when one handed mode state activated or deactivated
-        if (mDeviceState.isOneHandedModeEnabled()) {
-            mActivityInterface.onOneHandedModeStateChanged(mDeviceState.isOneHandedModeActive());
-        }
     }
 
     private void updateOverviewTargets(Intent unused) {
diff --git a/quickstep/src/com/android/quickstep/QuickstepTestInformationHandler.java b/quickstep/src/com/android/quickstep/QuickstepTestInformationHandler.java
index 65614ba..54e4a0d 100644
--- a/quickstep/src/com/android/quickstep/QuickstepTestInformationHandler.java
+++ b/quickstep/src/com/android/quickstep/QuickstepTestInformationHandler.java
@@ -138,15 +138,11 @@
                 return response;
 
             case TestProtocol.REQUEST_ENABLE_TRANSIENT_TASKBAR:
-                runOnTISBinder(tisBinder -> {
-                    enableTransientTaskbar(tisBinder, true);
-                });
+                enableTransientTaskbar(true);
                 return response;
 
             case TestProtocol.REQUEST_DISABLE_TRANSIENT_TASKBAR:
-                runOnTISBinder(tisBinder -> {
-                    enableTransientTaskbar(tisBinder, false);
-                });
+                enableTransientTaskbar(false);
                 return response;
         }
 
@@ -179,24 +175,21 @@
 
     private void enableBlockingTimeout(
             TouchInteractionService.TISBinder tisBinder, boolean enable) {
-        // Allow null-pointer to catch illegal states.
-        tisBinder.getTaskbarManager().getCurrentActivityContext().enableBlockingTimeoutDuringTests(
-                enable);
-    }
-
-    private void enableTransientTaskbar(
-            TouchInteractionService.TISBinder tisBinder, boolean enable) {
         TaskbarActivityContext context = tisBinder.getTaskbarManager().getCurrentActivityContext();
         if (context == null) {
             if (TestProtocol.sDebugTracing) {
-                Log.d(NPE_TRANSIENT_TASKBAR, "enableTransientTaskbar: enable=" + enable,
+                Log.d(NPE_TRANSIENT_TASKBAR, "enableBlockingTimeout: enable=" + enable,
                         new Exception());
             }
         } else {
-            DisplayController.INSTANCE.get(context).enableTransientTaskbarForTests(enable);
+            context.enableBlockingTimeoutDuringTests(enable);
         }
     }
 
+    private void enableTransientTaskbar(boolean enable) {
+        DisplayController.INSTANCE.get(mContext).enableTransientTaskbarForTests(enable);
+    }
+
     /**
      * Runs the given command on the UI thread, after ensuring we are connected to
      * TouchInteractionService.
diff --git a/quickstep/src/com/android/quickstep/RecentsAnimationDeviceState.java b/quickstep/src/com/android/quickstep/RecentsAnimationDeviceState.java
index e87fdad..9e25555 100644
--- a/quickstep/src/com/android/quickstep/RecentsAnimationDeviceState.java
+++ b/quickstep/src/com/android/quickstep/RecentsAnimationDeviceState.java
@@ -46,10 +46,7 @@
 import static com.android.systemui.shared.system.QuickStepContract.SYSUI_STATE_STATUS_BAR_KEYGUARD_SHOWING_OCCLUDED;
 
 import android.app.ActivityTaskManager;
-import android.content.BroadcastReceiver;
 import android.content.Context;
-import android.content.Intent;
-import android.content.IntentFilter;
 import android.graphics.Region;
 import android.inputmethodservice.InputMethodService;
 import android.net.Uri;
@@ -63,12 +60,12 @@
 import androidx.annotation.BinderThread;
 import androidx.annotation.NonNull;
 
-import com.android.launcher3.Utilities;
 import com.android.launcher3.util.DisplayController;
 import com.android.launcher3.util.DisplayController.DisplayInfoChangeListener;
 import com.android.launcher3.util.DisplayController.Info;
 import com.android.launcher3.util.NavigationMode;
 import com.android.launcher3.util.SettingsCache;
+import com.android.launcher3.util.SimpleBroadcastReceiver;
 import com.android.quickstep.TopTaskTracker.CachedTaskInfo;
 import com.android.quickstep.util.NavBarPosition;
 import com.android.systemui.shared.system.ActivityManagerWrapper;
@@ -114,15 +111,12 @@
 
     private boolean mIsUserUnlocked;
     private final ArrayList<Runnable> mUserUnlockedActions = new ArrayList<>();
-    private final BroadcastReceiver mUserUnlockedReceiver = new BroadcastReceiver() {
-        @Override
-        public void onReceive(Context context, Intent intent) {
-            if (ACTION_USER_UNLOCKED.equals(intent.getAction())) {
-                mIsUserUnlocked = true;
-                notifyUserUnlocked();
-            }
+    private final SimpleBroadcastReceiver mUserUnlockedReceiver = new SimpleBroadcastReceiver(i -> {
+        if (ACTION_USER_UNLOCKED.equals(i.getAction())) {
+            mIsUserUnlocked = true;
+            notifyUserUnlocked();
         }
-    };
+    });
 
     private int mGestureBlockingTaskId = -1;
     private @NonNull Region mExclusionRegion = new Region();
@@ -153,10 +147,9 @@
         mIsUserUnlocked = context.getSystemService(UserManager.class)
                 .isUserUnlocked(Process.myUserHandle());
         if (!mIsUserUnlocked) {
-            mContext.registerReceiver(mUserUnlockedReceiver,
-                    new IntentFilter(ACTION_USER_UNLOCKED));
+            mUserUnlockedReceiver.register(mContext, ACTION_USER_UNLOCKED);
         }
-        runOnDestroy(() -> Utilities.unregisterReceiverSafely(mContext, mUserUnlockedReceiver));
+        runOnDestroy(() -> mUserUnlockedReceiver.unregisterReceiverSafely(mContext));
 
         // Register for exclusion updates
         mExclusionListener = new SystemGestureExclusionListenerCompat(mDisplayId) {
@@ -347,7 +340,7 @@
             action.run();
         }
         mUserUnlockedActions.clear();
-        Utilities.unregisterReceiverSafely(mContext, mUserUnlockedReceiver);
+        mUserUnlockedReceiver.unregisterReceiverSafely(mContext);
     }
 
     /**
diff --git a/quickstep/src/com/android/quickstep/SystemUiProxy.java b/quickstep/src/com/android/quickstep/SystemUiProxy.java
index ef7c6dc..bb97334 100644
--- a/quickstep/src/com/android/quickstep/SystemUiProxy.java
+++ b/quickstep/src/com/android/quickstep/SystemUiProxy.java
@@ -561,6 +561,20 @@
         }
     }
 
+    public void startIntents(PendingIntent pendingIntent1, Bundle options1,
+            PendingIntent pendingIntent2, Bundle options2,
+            @SplitConfigurationOptions.StagePosition int splitPosition,
+            float splitRatio, RemoteTransition remoteTransition, InstanceId instanceId) {
+        if (mSystemUiProxy != null) {
+            try {
+                mSplitScreen.startIntents(pendingIntent1, options1, pendingIntent2, options2,
+                        splitPosition, splitRatio, remoteTransition, instanceId);
+            } catch (RemoteException e) {
+                Log.w(TAG, "Failed call startIntents");
+            }
+        }
+    }
+
     public void startShortcutAndTask(ShortcutInfo shortcutInfo, Bundle options1, int taskId,
             Bundle options2, @SplitConfigurationOptions.StagePosition int splitPosition,
             float splitRatio, RemoteTransition remoteTransition, InstanceId instanceId) {
@@ -617,6 +631,20 @@
         }
     }
 
+    public void startIntentsWithLegacyTransition(PendingIntent pendingIntent1, Bundle options1,
+            PendingIntent pendingIntent2, Bundle options2,
+            @SplitConfigurationOptions.StagePosition int sidePosition, float splitRatio,
+            RemoteAnimationAdapter adapter, InstanceId instanceId) {
+        if (mSystemUiProxy != null) {
+            try {
+                mSplitScreen.startIntentsWithLegacyTransition(pendingIntent1, options1,
+                        pendingIntent2, options2, sidePosition, splitRatio, adapter, instanceId);
+            } catch (RemoteException e) {
+                Log.w(TAG, "Failed call startIntentsWithLegacyTransition");
+            }
+        }
+    }
+
     public void startShortcut(String packageName, String shortcutId, int position,
             Bundle options, UserHandle user, InstanceId instanceId) {
         if (mSplitScreen != null) {
diff --git a/quickstep/src/com/android/quickstep/TouchInteractionService.java b/quickstep/src/com/android/quickstep/TouchInteractionService.java
index 450774b..af6a45a 100644
--- a/quickstep/src/com/android/quickstep/TouchInteractionService.java
+++ b/quickstep/src/com/android/quickstep/TouchInteractionService.java
@@ -31,6 +31,7 @@
 import static com.android.systemui.shared.system.QuickStepContract.KEY_EXTRA_UNLOCK_ANIMATION_CONTROLLER;
 import static com.android.systemui.shared.system.QuickStepContract.SYSUI_STATE_FREEFORM_ACTIVE_IN_DESKTOP_MODE;
 import static com.android.systemui.shared.system.QuickStepContract.SYSUI_STATE_NOTIFICATION_PANEL_EXPANDED;
+import static com.android.systemui.shared.system.QuickStepContract.SYSUI_STATE_QUICK_SETTINGS_EXPANDED;
 import static com.android.systemui.shared.system.QuickStepContract.SYSUI_STATE_TRACING_ENABLED;
 import static com.android.wm.shell.sysui.ShellSharedConstants.KEY_EXTRA_SHELL_BACK_ANIMATION;
 import static com.android.wm.shell.sysui.ShellSharedConstants.KEY_EXTRA_SHELL_DESKTOP_MODE;
@@ -69,6 +70,7 @@
 
 import com.android.app.viewcapture.ViewCapture;
 import com.android.launcher3.BaseDraggingActivity;
+import com.android.launcher3.LauncherPrefs;
 import com.android.launcher3.R;
 import com.android.launcher3.Utilities;
 import com.android.launcher3.config.FeatureFlags;
@@ -479,7 +481,7 @@
         }
 
         // Reset home bounce seen on quick step enabled for first time
-        SharedPreferences sharedPrefs = Utilities.getPrefs(this);
+        SharedPreferences sharedPrefs = LauncherPrefs.getPrefs(this);
         if (!sharedPrefs.getBoolean(HAS_ENABLED_QUICKSTEP_ONCE, true)) {
             sharedPrefs.edit()
                     .putBoolean(HAS_ENABLED_QUICKSTEP_ONCE, true)
@@ -533,9 +535,10 @@
                 }
             }
 
-            boolean wasExpanded = (lastSysUIFlags & SYSUI_STATE_NOTIFICATION_PANEL_EXPANDED) != 0;
-            boolean isExpanded =
-                    (systemUiStateFlags & SYSUI_STATE_NOTIFICATION_PANEL_EXPANDED) != 0;
+            int isShadeExpandedFlag =
+                    SYSUI_STATE_NOTIFICATION_PANEL_EXPANDED | SYSUI_STATE_QUICK_SETTINGS_EXPANDED;
+            boolean wasExpanded = (lastSysUIFlags & isShadeExpandedFlag) != 0;
+            boolean isExpanded = (systemUiStateFlags & isShadeExpandedFlag) != 0;
             if (wasExpanded != isExpanded && isExpanded) {
                 // End live tile when expanding the notification panel for the first time from
                 // overview.
diff --git a/quickstep/src/com/android/quickstep/interaction/AllSetActivity.java b/quickstep/src/com/android/quickstep/interaction/AllSetActivity.java
index 897b559..52f1867 100644
--- a/quickstep/src/com/android/quickstep/interaction/AllSetActivity.java
+++ b/quickstep/src/com/android/quickstep/interaction/AllSetActivity.java
@@ -42,6 +42,7 @@
 import android.os.Bundle;
 import android.os.VibrationEffect;
 import android.os.Vibrator;
+import android.text.TextUtils;
 import android.util.Log;
 import android.view.View;
 import android.view.View.AccessibilityDelegate;
@@ -79,6 +80,7 @@
             "#Intent;action=com.android.settings.SEARCH_RESULT_TRAMPOLINE;S.:settings:fragment_args_key=gesture_system_navigation_input_summary;S.:settings:show_fragment=com.android.settings.gestures.SystemNavigationGestureSettings;end";
     private static final String EXTRA_ACCENT_COLOR_DARK_MODE = "suwColorAccentDark";
     private static final String EXTRA_ACCENT_COLOR_LIGHT_MODE = "suwColorAccentLight";
+    private static final String EXTRA_DEVICE_NAME = "suwDeviceName";
 
     private static final float HINT_BOTTOM_FACTOR = 1 - .94f;
 
@@ -110,7 +112,8 @@
 
         int mode = getResources().getConfiguration().uiMode & Configuration.UI_MODE_NIGHT_MASK;
         boolean isDarkTheme = mode == Configuration.UI_MODE_NIGHT_YES;
-        int accentColor = getIntent().getIntExtra(
+        Intent intent = getIntent();
+        int accentColor = intent.getIntExtra(
                 isDarkTheme ? EXTRA_ACCENT_COLOR_DARK_MODE : EXTRA_ACCENT_COLOR_LIGHT_MODE,
                 isDarkTheme ? Color.WHITE : Color.BLACK);
 
@@ -121,10 +124,12 @@
         mContentView = findViewById(R.id.content_view);
         mSwipeUpShift = getResources().getDimension(R.dimen.allset_swipe_up_shift);
 
-        DeviceProfile dp = InvariantDeviceProfile.INSTANCE.get(this).getDeviceProfile(this);
         TextView subtitle = findViewById(R.id.subtitle);
-        subtitle.setText(dp.isTablet
-                ? R.string.allset_description_tablet : R.string.allset_description);
+        String suwDeviceName = intent.getStringExtra(EXTRA_DEVICE_NAME);
+        subtitle.setText(getString(
+                R.string.allset_description_generic,
+                !TextUtils.isEmpty(suwDeviceName)
+                        ? suwDeviceName : getString(R.string.default_device_name)));
 
         TextView tv = findViewById(R.id.navigation_settings);
         tv.setTextColor(accentColor);
@@ -138,6 +143,7 @@
         });
 
         TextView hintTextView = findViewById(R.id.hint);
+        DeviceProfile dp = InvariantDeviceProfile.INSTANCE.get(this).getDeviceProfile(this);
         if (!dp.isGestureMode) {
             hintTextView.setText(R.string.allset_button_hint);
         }
diff --git a/quickstep/src/com/android/quickstep/interaction/GestureSandboxActivity.java b/quickstep/src/com/android/quickstep/interaction/GestureSandboxActivity.java
index bf7023c..4a70120 100644
--- a/quickstep/src/com/android/quickstep/interaction/GestureSandboxActivity.java
+++ b/quickstep/src/com/android/quickstep/interaction/GestureSandboxActivity.java
@@ -28,8 +28,8 @@
 import androidx.annotation.NonNull;
 import androidx.fragment.app.FragmentActivity;
 
+import com.android.launcher3.LauncherPrefs;
 import com.android.launcher3.R;
-import com.android.launcher3.Utilities;
 import com.android.launcher3.logging.StatsLogManager;
 import com.android.quickstep.TouchInteractionService.TISBinder;
 import com.android.quickstep.interaction.TutorialController.TutorialType;
@@ -63,7 +63,7 @@
         requestWindowFeature(Window.FEATURE_NO_TITLE);
         setContentView(R.layout.gesture_tutorial_activity);
 
-        mSharedPrefs = Utilities.getPrefs(this);
+        mSharedPrefs = LauncherPrefs.getPrefs(this);
         mStatsLogManager = StatsLogManager.newInstance(getApplicationContext());
 
         Bundle args = savedInstanceState == null ? getIntent().getExtras() : savedInstanceState;
diff --git a/quickstep/src/com/android/quickstep/logging/SettingsChangeLogger.java b/quickstep/src/com/android/quickstep/logging/SettingsChangeLogger.java
index 2ccdfa3..5efc45e 100644
--- a/quickstep/src/com/android/quickstep/logging/SettingsChangeLogger.java
+++ b/quickstep/src/com/android/quickstep/logging/SettingsChangeLogger.java
@@ -16,8 +16,8 @@
 
 package com.android.quickstep.logging;
 
-import static com.android.launcher3.Utilities.getDevicePrefs;
-import static com.android.launcher3.Utilities.getPrefs;
+import static com.android.launcher3.LauncherPrefs.getDevicePrefs;
+import static com.android.launcher3.LauncherPrefs.getPrefs;
 import static com.android.launcher3.logging.StatsLogManager.LauncherEvent.LAUNCHER_HOME_SCREEN_SUGGESTIONS_DISABLED;
 import static com.android.launcher3.logging.StatsLogManager.LauncherEvent.LAUNCHER_HOME_SCREEN_SUGGESTIONS_ENABLED;
 import static com.android.launcher3.logging.StatsLogManager.LauncherEvent.LAUNCHER_NOTIFICATION_DOT_DISABLED;
diff --git a/quickstep/src/com/android/quickstep/util/LauncherUnfoldAnimationController.java b/quickstep/src/com/android/quickstep/util/LauncherUnfoldAnimationController.java
index f12074b..170c622 100644
--- a/quickstep/src/com/android/quickstep/util/LauncherUnfoldAnimationController.java
+++ b/quickstep/src/com/android/quickstep/util/LauncherUnfoldAnimationController.java
@@ -18,7 +18,6 @@
 import static com.android.launcher3.LauncherAnimUtils.HOTSEAT_SCALE_PROPERTY_FACTORY;
 import static com.android.launcher3.LauncherAnimUtils.SCALE_INDEX_UNFOLD_ANIMATION;
 import static com.android.launcher3.LauncherAnimUtils.WORKSPACE_SCALE_PROPERTY_FACTORY;
-import static com.android.launcher3.Utilities.comp;
 
 import android.annotation.Nullable;
 import android.util.FloatProperty;
@@ -135,7 +134,7 @@
         @Override
         public void onTransitionProgress(float progress) {
             if (mQsbInsettable != null) {
-                float insetPercentage = comp(progress) * MAX_WIDTH_INSET_FRACTION;
+                float insetPercentage = (1 - progress) * MAX_WIDTH_INSET_FRACTION;
                 mQsbInsettable.setHorizontalInsets(insetPercentage);
             }
         }
diff --git a/quickstep/src/com/android/quickstep/util/RecentsOrientedState.java b/quickstep/src/com/android/quickstep/util/RecentsOrientedState.java
index c459f30..db8c7f2 100644
--- a/quickstep/src/com/android/quickstep/util/RecentsOrientedState.java
+++ b/quickstep/src/com/android/quickstep/util/RecentsOrientedState.java
@@ -45,7 +45,7 @@
 
 import com.android.launcher3.DeviceProfile;
 import com.android.launcher3.InvariantDeviceProfile;
-import com.android.launcher3.Utilities;
+import com.android.launcher3.LauncherPrefs;
 import com.android.launcher3.testing.shared.TestProtocol;
 import com.android.launcher3.touch.PagedOrientationHandler;
 import com.android.launcher3.util.DisplayController;
@@ -139,7 +139,7 @@
     public RecentsOrientedState(Context context, BaseActivityInterface sizeStrategy,
             IntConsumer rotationChangeListener) {
         mContext = context;
-        mSharedPrefs = Utilities.getPrefs(context);
+        mSharedPrefs = LauncherPrefs.getPrefs(context);
         mOrientationListener = new OrientationEventListener(context) {
             @Override
             public void onOrientationChanged(int degrees) {
diff --git a/quickstep/src/com/android/quickstep/util/SplitAnimationTimings.java b/quickstep/src/com/android/quickstep/util/SplitAnimationTimings.java
index 2966fbb..7dc1b32 100644
--- a/quickstep/src/com/android/quickstep/util/SplitAnimationTimings.java
+++ b/quickstep/src/com/android/quickstep/util/SplitAnimationTimings.java
@@ -25,7 +25,7 @@
  */
 public interface SplitAnimationTimings {
     int TABLET_ENTER_DURATION = 866;
-    int TABLET_CONFIRM_DURATION = 383;
+    int TABLET_CONFIRM_DURATION = 500;
 
     int PHONE_ENTER_DURATION = 517;
     int PHONE_CONFIRM_DURATION = 333;
diff --git a/quickstep/src/com/android/quickstep/util/SplitSelectStateController.java b/quickstep/src/com/android/quickstep/util/SplitSelectStateController.java
index 4a74ac6..c263fe8 100644
--- a/quickstep/src/com/android/quickstep/util/SplitSelectStateController.java
+++ b/quickstep/src/com/android/quickstep/util/SplitSelectStateController.java
@@ -37,6 +37,7 @@
 import android.os.IBinder;
 import android.os.RemoteException;
 import android.os.UserHandle;
+import android.text.TextUtils;
 import android.util.Log;
 import android.util.Pair;
 import android.view.RemoteAnimationAdapter;
@@ -207,8 +208,8 @@
      * fill in intent with a taskId2 are set.
      * @param intent1 is null when split is initiated from Overview
      * @param stagePosition representing location of task1
-     * @param shellInstanceId loggingId to be used by shell, will be non-null for actions that create
-     *                   a split instance, null for cases that bring existing instaces to the
+     * @param shellInstanceId loggingId to be used by shell, will be non-null for actions that
+     *                   create a split instance, null for cases that bring existing instaces to the
      *                   foreground (quickswitch, launching previous pairs from overview)
      */
     public void launchTasks(int taskId1, @Nullable Intent intent1, int taskId2,
@@ -238,7 +239,9 @@
                         getOppositeStagePosition(stagePosition), splitRatio, remoteTransition,
                         shellInstanceId);
             } else {
-                // TODO: the case when both split apps are started from an intent.
+                mSystemUiProxy.startIntents(getPendingIntent(intent1), options1.toBundle(),
+                        getPendingIntent(intent2), null /* options2 */, stagePosition,
+                        splitRatio, remoteTransition, shellInstanceId);
             }
         } else {
             final RemoteSplitLaunchAnimationRunner animationRunner =
@@ -259,7 +262,9 @@
                         getOppositeStagePosition(stagePosition), splitRatio, adapter,
                         shellInstanceId);
             } else {
-                // TODO: the case when both split apps are started from an intent.
+                mSystemUiProxy.startIntentsWithLegacyTransition(getPendingIntent(intent1),
+                        options1.toBundle(), getPendingIntent(intent2), null /* options2 */,
+                        stagePosition, splitRatio, adapter, shellInstanceId);
             }
         }
     }
@@ -305,7 +310,6 @@
                 : PendingIntent.getActivity(mContext, 0, intent, FLAG_MUTABLE));
     }
 
-
     public @StagePosition int getActiveSplitStagePosition() {
         return mStagePosition;
     }
diff --git a/quickstep/src/com/android/quickstep/util/SplitToWorkspaceController.java b/quickstep/src/com/android/quickstep/util/SplitToWorkspaceController.java
new file mode 100644
index 0000000..e8a4b0a
--- /dev/null
+++ b/quickstep/src/com/android/quickstep/util/SplitToWorkspaceController.java
@@ -0,0 +1,66 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.quickstep.util;
+
+import static com.android.launcher3.config.FeatureFlags.ENABLE_SPLIT_FROM_FULLSCREEN_WITH_KEYBOARD_SHORTCUTS;
+import static com.android.launcher3.config.FeatureFlags.ENABLE_SPLIT_FROM_WORKSPACE_TO_WORKSPACE;
+
+import android.content.Intent;
+import android.view.View;
+
+import com.android.launcher3.Launcher;
+import com.android.launcher3.model.data.WorkspaceItemInfo;
+
+/** Handles when the stage split lands on the home screen. */
+public class SplitToWorkspaceController {
+
+    private final Launcher mLauncher;
+    private final SplitSelectStateController mController;
+
+    public SplitToWorkspaceController(Launcher launcher, SplitSelectStateController controller) {
+        mLauncher = launcher;
+        mController = controller;
+    }
+
+    /**
+     * Handles second app selection from stage split. If the item can't be opened in split or
+     * it's not in stage split state, we pass it onto Launcher's default item click handler.
+     */
+    public boolean handleSecondAppSelectionForSplit(View view) {
+        if ((!ENABLE_SPLIT_FROM_FULLSCREEN_WITH_KEYBOARD_SHORTCUTS.get()
+                && !ENABLE_SPLIT_FROM_WORKSPACE_TO_WORKSPACE.get())
+                || !mController.isSplitSelectActive()) {
+            return false;
+        }
+        Object tag = view.getTag();
+        Intent intent;
+        if (tag instanceof WorkspaceItemInfo) {
+            final WorkspaceItemInfo workspaceItemInfo = (WorkspaceItemInfo) tag;
+            intent = workspaceItemInfo.intent;
+        } else if (tag instanceof com.android.launcher3.model.data.AppInfo) {
+            final com.android.launcher3.model.data.AppInfo appInfo =
+                    (com.android.launcher3.model.data.AppInfo) tag;
+            intent = appInfo.intent;
+        } else {
+            return false;
+        }
+        mController.setSecondTask(intent);
+        mController.launchSplitTasks(aBoolean -> mLauncher.getDragLayer().removeView(
+                mController.getFirstFloatingTaskView()));
+        return true;
+    }
+}
diff --git a/quickstep/src/com/android/quickstep/util/SplitWithKeyboardShortcutController.java b/quickstep/src/com/android/quickstep/util/SplitWithKeyboardShortcutController.java
index 3587bd1..24d8326 100644
--- a/quickstep/src/com/android/quickstep/util/SplitWithKeyboardShortcutController.java
+++ b/quickstep/src/com/android/quickstep/util/SplitWithKeyboardShortcutController.java
@@ -101,33 +101,6 @@
         });
     }
 
-    /**
-     * Handles second app selection from stage split. If the item can't be opened in split or
-     * it's not in stage split state, we pass it onto Launcher's default item click handler.
-     */
-    public boolean handleSecondAppSelectionForSplit(View view) {
-        if (!ENABLE_SPLIT_FROM_FULLSCREEN_WITH_KEYBOARD_SHORTCUTS.get()
-                || !mController.isSplitSelectActive()) {
-            return false;
-        }
-        Object tag = view.getTag();
-        Intent intent;
-        if (tag instanceof WorkspaceItemInfo) {
-            final WorkspaceItemInfo workspaceItemInfo = (WorkspaceItemInfo) tag;
-            intent = workspaceItemInfo.intent;
-        } else if (tag instanceof com.android.launcher3.model.data.AppInfo) {
-            final com.android.launcher3.model.data.AppInfo appInfo =
-                    (com.android.launcher3.model.data.AppInfo) tag;
-            intent = appInfo.intent;
-        } else {
-            return false;
-        }
-        mController.setSecondTask(intent);
-        mController.launchSplitTasks(aBoolean -> mLauncher.getDragLayer().removeView(
-                mController.getFirstFloatingTaskView()));
-        return true;
-    }
-
     public void onDestroy() {
         mOverviewComponentObserver.onDestroy();
     }
diff --git a/quickstep/src/com/android/quickstep/views/RecentsView.java b/quickstep/src/com/android/quickstep/views/RecentsView.java
index ff0c984..80b41a7 100644
--- a/quickstep/src/com/android/quickstep/views/RecentsView.java
+++ b/quickstep/src/com/android/quickstep/views/RecentsView.java
@@ -41,6 +41,7 @@
 import static com.android.launcher3.anim.Interpolators.LINEAR;
 import static com.android.launcher3.anim.Interpolators.OVERSHOOT_0_75;
 import static com.android.launcher3.anim.Interpolators.clampToProgress;
+import static com.android.launcher3.config.FeatureFlags.ENABLE_LAUNCH_FROM_STAGED_APP;
 import static com.android.launcher3.logging.StatsLogManager.LauncherEvent.LAUNCHER_OVERVIEW_ACTIONS_SPLIT;
 import static com.android.launcher3.logging.StatsLogManager.LauncherEvent.LAUNCHER_TASK_CLEAR_ALL;
 import static com.android.launcher3.logging.StatsLogManager.LauncherEvent.LAUNCHER_TASK_DISMISS_SWIPE_UP;
@@ -125,7 +126,6 @@
 import androidx.annotation.UiThread;
 import androidx.core.graphics.ColorUtils;
 
-import com.android.launcher3.AbstractFloatingView;
 import com.android.launcher3.BaseActivity;
 import com.android.launcher3.BaseActivity.MultiWindowModeChangedListener;
 import com.android.launcher3.DeviceProfile;
@@ -2903,6 +2903,11 @@
                     false /* fadeWithThumbnail */, true /* isStagedTask */);
         }
 
+        // TODO (b/257513449): Launch animation not fully complete. OK to remove flag once it is.
+        if (ENABLE_LAUNCH_FROM_STAGED_APP.get()) {
+            mFirstFloatingTaskView.setOnClickListener(this::animateToFullscreen);
+        }
+
         // SplitInstructionsView: animate in
         safeRemoveDragLayerView(mSplitInstructionsView);
         mSplitInstructionsView = SplitInstructionsView.getSplitInstructionsView(mActivity);
@@ -2946,6 +2951,34 @@
         });
     }
 
+    private void animateToFullscreen(View view) {
+        FloatingTaskView stagedTaskView = (FloatingTaskView) view;
+
+        boolean isTablet = mActivity.getDeviceProfile().isTablet;
+        int duration = isTablet
+                ? SplitAnimationTimings.TABLET_CONFIRM_DURATION
+                : SplitAnimationTimings.PHONE_CONFIRM_DURATION;
+
+        PendingAnimation pendingAnimation = new PendingAnimation(duration);
+
+        Rect firstTaskStartingBounds = new Rect();
+        Rect firstTaskEndingBounds = new Rect();
+
+        stagedTaskView.getBoundsOnScreen(firstTaskStartingBounds);
+        mActivity.getDragLayer().getBoundsOnScreen(firstTaskEndingBounds);
+
+        stagedTaskView.addConfirmAnimation(
+                pendingAnimation,
+                new RectF(firstTaskStartingBounds),
+                firstTaskEndingBounds,
+                false /* fadeWithThumbnail */,
+                true /* isStagedTask */);
+
+        pendingAnimation.addEndListener(success -> launchStagedTask());
+
+        pendingAnimation.buildAnim().start();
+    }
+
     /**
      * Creates a {@link PendingAnimation} for dismissing the specified {@link TaskView}.
      * @param dismissedTaskView the {@link TaskView} to be dismissed
@@ -4232,7 +4265,7 @@
     public void initiateSplitSelect(QuickstepSystemShortcut.SplitSelectSource splitSelectSource) {
         mSplitSelectSource = splitSelectSource;
         mSplitSelectStateController.setInitialTaskSelect(splitSelectSource.intent,
-                splitSelectSource.position.stagePosition, splitSelectSource.mItemInfo,
+                splitSelectSource.position.stagePosition, splitSelectSource.itemInfo,
                 splitSelectSource.splitEvent);
     }
 
@@ -4294,11 +4327,8 @@
         Rect firstTaskEndingBounds = mTempRect;
 
         boolean isTablet = mActivity.getDeviceProfile().isTablet;
-        int duration = isTablet
-                ? SplitAnimationTimings.TABLET_CONFIRM_DURATION
-                : SplitAnimationTimings.PHONE_CONFIRM_DURATION;
-        PendingAnimation pendingAnimation = new PendingAnimation(duration);
         SplitAnimationTimings timings = AnimUtils.getDeviceSplitToConfirmTimings(isTablet);
+        PendingAnimation pendingAnimation = new PendingAnimation(timings.getDuration());
 
         int halfDividerSize = getResources()
                 .getDimensionPixelSize(R.dimen.multi_window_task_divider_size) / 2;
@@ -4650,6 +4680,16 @@
         return mPendingAnimation;
     }
 
+    protected void launchStagedTask() {
+        if (mSplitHiddenTaskView != null) {
+            // Split staging was started from an existing running task (in Overview)
+            mSplitHiddenTaskView.launchTask(success -> resetFromSplitSelectionState());
+        } else {
+            // Split staging was started from a new intent (from app menu in Home/AllApps)
+            mActivity.startActivity(mSplitSelectSource.intent);
+        }
+    }
+
     protected void onTaskLaunchAnimationEnd(boolean success) {
         if (success) {
             resetTaskVisuals();
diff --git a/quickstep/src/com/android/quickstep/views/TaskView.java b/quickstep/src/com/android/quickstep/views/TaskView.java
index c428c64..4de69cd 100644
--- a/quickstep/src/com/android/quickstep/views/TaskView.java
+++ b/quickstep/src/com/android/quickstep/views/TaskView.java
@@ -20,7 +20,6 @@
 import static android.widget.Toast.LENGTH_SHORT;
 
 import static com.android.launcher3.LauncherState.BACKGROUND_APP;
-import static com.android.launcher3.Utilities.comp;
 import static com.android.launcher3.Utilities.getDescendantCoordRelativeToAncestor;
 import static com.android.launcher3.anim.Interpolators.ACCEL_DEACCEL;
 import static com.android.launcher3.anim.Interpolators.FAST_OUT_SLOW_IN;
@@ -501,7 +500,7 @@
             return;
         }
         mModalness = modalness;
-        mIconView.setAlpha(comp(modalness));
+        mIconView.setAlpha(1 - modalness);
         mDigitalWellBeingToast.updateBannerOffset(modalness,
                 mCurrentFullscreenParams.mCurrentDrawnInsets.top
                         + mCurrentFullscreenParams.mCurrentDrawnInsets.bottom);
diff --git a/src/com/android/launcher3/AbstractFloatingView.java b/src/com/android/launcher3/AbstractFloatingView.java
index 73acd87..28d4a9f 100644
--- a/src/com/android/launcher3/AbstractFloatingView.java
+++ b/src/com/android/launcher3/AbstractFloatingView.java
@@ -102,13 +102,15 @@
             | TYPE_OPTIONS_POPUP | TYPE_SNACKBAR | TYPE_LISTENER | TYPE_ALL_APPS_EDU
             | TYPE_ICON_SURFACE | TYPE_DRAG_DROP_POPUP | TYPE_PIN_WIDGET_FROM_EXTERNAL_POPUP
             | TYPE_WIDGETS_EDUCATION_DIALOG | TYPE_TASKBAR_EDUCATION_DIALOG | TYPE_TASKBAR_ALL_APPS
-            | TYPE_OPTIONS_POPUP_DIALOG | TYPE_ADD_TO_HOME_CONFIRMATION;
+            | TYPE_OPTIONS_POPUP_DIALOG | TYPE_ADD_TO_HOME_CONFIRMATION
+            | TYPE_TASKBAR_OVERLAY_PROXY;
 
     // Type of popups which should be kept open during launcher rebind
     public static final int TYPE_REBIND_SAFE = TYPE_WIDGETS_FULL_SHEET
             | TYPE_WIDGETS_BOTTOM_SHEET | TYPE_ON_BOARD_POPUP | TYPE_DISCOVERY_BOUNCE
             | TYPE_ALL_APPS_EDU | TYPE_ICON_SURFACE | TYPE_WIDGETS_EDUCATION_DIALOG
-            | TYPE_TASKBAR_EDUCATION_DIALOG | TYPE_TASKBAR_ALL_APPS | TYPE_OPTIONS_POPUP_DIALOG;
+            | TYPE_TASKBAR_EDUCATION_DIALOG | TYPE_TASKBAR_ALL_APPS | TYPE_OPTIONS_POPUP_DIALOG
+            | TYPE_TASKBAR_OVERLAY_PROXY;
 
     public static final int TYPE_ACCESSIBLE = TYPE_ALL & ~TYPE_DISCOVERY_BOUNCE & ~TYPE_LISTENER
             & ~TYPE_ALL_APPS_EDU;
diff --git a/src/com/android/launcher3/AppWidgetsRestoredReceiver.java b/src/com/android/launcher3/AppWidgetsRestoredReceiver.java
index 75e89b2..eb6d096 100644
--- a/src/com/android/launcher3/AppWidgetsRestoredReceiver.java
+++ b/src/com/android/launcher3/AppWidgetsRestoredReceiver.java
@@ -2,7 +2,6 @@
 
 import static android.os.Process.myUserHandle;
 
-import android.appwidget.AppWidgetHost;
 import android.appwidget.AppWidgetManager;
 import android.appwidget.AppWidgetProviderInfo;
 import android.content.BroadcastReceiver;
@@ -12,6 +11,7 @@
 import android.database.Cursor;
 import android.util.Log;
 
+import androidx.annotation.NonNull;
 import androidx.annotation.WorkerThread;
 
 import com.android.launcher3.LauncherSettings.Favorites;
@@ -21,7 +21,7 @@
 import com.android.launcher3.pm.UserCache;
 import com.android.launcher3.provider.RestoreDbTask;
 import com.android.launcher3.util.ContentWriter;
-import com.android.launcher3.widget.LauncherAppWidgetHost;
+import com.android.launcher3.widget.LauncherWidgetHolder;
 
 public class AppWidgetsRestoredReceiver extends BroadcastReceiver {
 
@@ -32,7 +32,7 @@
         if (AppWidgetManager.ACTION_APPWIDGET_HOST_RESTORED.equals(intent.getAction())) {
             int hostId = intent.getIntExtra(AppWidgetManager.EXTRA_HOST_ID, 0);
             Log.d(TAG, "Widget ID map received for host:" + hostId);
-            if (hostId != LauncherAppWidgetHost.APPWIDGET_HOST_ID) {
+            if (hostId != LauncherWidgetHolder.APPWIDGET_HOST_ID) {
                 return;
             }
 
@@ -50,11 +50,11 @@
      * Updates the app widgets whose id has changed during the restore process.
      */
     @WorkerThread
-    public static void restoreAppWidgetIds(Context context, int[] oldWidgetIds, int[] newWidgetIds) {
-        AppWidgetHost appWidgetHost = new LauncherAppWidgetHost(context);
+    public static void restoreAppWidgetIds(Context context, int[] oldWidgetIds, int[] newWidgetIds,
+            @NonNull LauncherWidgetHolder holder) {
         if (WidgetsModel.GO_DISABLE_WIDGETS) {
             Log.e(TAG, "Skipping widget ID remap as widgets not supported");
-            appWidgetHost.deleteHost();
+            holder.deleteHost();
             return;
         }
         if (!RestoreDbTask.isPending(context)) {
@@ -63,7 +63,7 @@
             Log.e(TAG, "Skipping widget ID remap as DB already in use");
             for (int widgetId : newWidgetIds) {
                 Log.d(TAG, "Deleting widgetId: " + widgetId);
-                appWidgetHost.deleteAppWidgetId(widgetId);
+                holder.deleteAppWidgetId(widgetId);
             }
             return;
         }
@@ -100,7 +100,7 @@
                 try {
                     if (!cursor.moveToFirst()) {
                         // The widget no long exists.
-                        appWidgetHost.deleteAppWidgetId(newWidgetIds[i]);
+                        holder.deleteAppWidgetId(newWidgetIds[i]);
                     }
                 } finally {
                     cursor.close();
diff --git a/src/com/android/launcher3/AutoInstallsLayout.java b/src/com/android/launcher3/AutoInstallsLayout.java
index 64666b0..efdd5e1 100644
--- a/src/com/android/launcher3/AutoInstallsLayout.java
+++ b/src/com/android/launcher3/AutoInstallsLayout.java
@@ -16,7 +16,6 @@
 
 package com.android.launcher3;
 
-import android.appwidget.AppWidgetHost;
 import android.content.ComponentName;
 import android.content.ContentValues;
 import android.content.Context;
@@ -48,6 +47,7 @@
 import com.android.launcher3.util.IntArray;
 import com.android.launcher3.util.PackageManagerHelper;
 import com.android.launcher3.util.Thunk;
+import com.android.launcher3.widget.LauncherWidgetHolder;
 
 import org.xmlpull.v1.XmlPullParser;
 import org.xmlpull.v1.XmlPullParserException;
@@ -74,7 +74,7 @@
     private static final String FORMATTED_LAYOUT_RES = "default_layout_%dx%d";
     private static final String LAYOUT_RES = "default_layout";
 
-    static AutoInstallsLayout get(Context context, AppWidgetHost appWidgetHost,
+    static AutoInstallsLayout get(Context context, LauncherWidgetHolder appWidgetHolder,
             LayoutParserCallback callback) {
         Pair<String, Resources> customizationApkInfo = PackageManagerHelper.findSystemApk(
                 ACTION_LAUNCHER_CUSTOMIZATION, context.getPackageManager());
@@ -109,7 +109,7 @@
             Log.e(TAG, "Layout definition not found in package: " + pkg);
             return null;
         }
-        return new AutoInstallsLayout(context, appWidgetHost, callback, targetRes, layoutId,
+        return new AutoInstallsLayout(context, appWidgetHolder, callback, targetRes, layoutId,
                 TAG_WORKSPACE);
     }
 
@@ -156,7 +156,7 @@
     @Thunk
     final Context mContext;
     @Thunk
-    final AppWidgetHost mAppWidgetHost;
+    final LauncherWidgetHolder mAppWidgetHolder;
     protected final LayoutParserCallback mCallback;
 
     protected final PackageManager mPackageManager;
@@ -174,17 +174,17 @@
 
     protected SQLiteDatabase mDb;
 
-    public AutoInstallsLayout(Context context, AppWidgetHost appWidgetHost,
+    public AutoInstallsLayout(Context context, LauncherWidgetHolder appWidgetHolder,
             LayoutParserCallback callback, Resources res,
             int layoutId, String rootTag) {
-        this(context, appWidgetHost, callback, res, () -> res.getXml(layoutId), rootTag);
+        this(context, appWidgetHolder, callback, res, () -> res.getXml(layoutId), rootTag);
     }
 
-    public AutoInstallsLayout(Context context, AppWidgetHost appWidgetHost,
+    public AutoInstallsLayout(Context context, LauncherWidgetHolder appWidgetHolder,
             LayoutParserCallback callback, Resources res,
             Supplier<XmlPullParser> initialLayoutSupplier, String rootTag) {
         mContext = context;
-        mAppWidgetHost = appWidgetHost;
+        mAppWidgetHolder = appWidgetHolder;
         mCallback = callback;
 
         mPackageManager = context.getPackageManager();
diff --git a/src/com/android/launcher3/BubbleTextView.java b/src/com/android/launcher3/BubbleTextView.java
index c0a00c2..9f54f09 100644
--- a/src/com/android/launcher3/BubbleTextView.java
+++ b/src/com/android/launcher3/BubbleTextView.java
@@ -607,15 +607,16 @@
      * Get the icon bounds on the view depending on the layout type.
      */
     public void getIconBounds(int iconSize, Rect outBounds) {
-        Utilities.setRectToViewCenter(this, iconSize, outBounds);
+        outBounds.set(0, 0, iconSize, iconSize);
         if (mLayoutHorizontal) {
+            int top = (getHeight() - iconSize) / 2;
             if (mIsRtl) {
-                outBounds.offsetTo(getWidth() - iconSize - getPaddingRight(), outBounds.top);
+                outBounds.offsetTo(getWidth() - iconSize - getPaddingRight(), top);
             } else {
-                outBounds.offsetTo(getPaddingLeft(), outBounds.top);
+                outBounds.offsetTo(getPaddingLeft(), top);
             }
         } else {
-            outBounds.offsetTo(outBounds.left, getPaddingTop());
+            outBounds.offset((getWidth() - iconSize) / 2, getPaddingTop());
         }
     }
 
diff --git a/src/com/android/launcher3/DefaultLayoutParser.java b/src/com/android/launcher3/DefaultLayoutParser.java
index 4daca8b..af13bea 100644
--- a/src/com/android/launcher3/DefaultLayoutParser.java
+++ b/src/com/android/launcher3/DefaultLayoutParser.java
@@ -1,6 +1,5 @@
 package com.android.launcher3;
 
-import android.appwidget.AppWidgetHost;
 import android.appwidget.AppWidgetManager;
 import android.content.ComponentName;
 import android.content.Context;
@@ -21,6 +20,7 @@
 import com.android.launcher3.model.data.WorkspaceItemInfo;
 import com.android.launcher3.shortcuts.ShortcutKey;
 import com.android.launcher3.util.Thunk;
+import com.android.launcher3.widget.LauncherWidgetHolder;
 
 import org.xmlpull.v1.XmlPullParser;
 import org.xmlpull.v1.XmlPullParserException;
@@ -55,9 +55,9 @@
     private static final String ACTION_APPWIDGET_DEFAULT_WORKSPACE_CONFIGURE =
             "com.android.launcher.action.APPWIDGET_DEFAULT_WORKSPACE_CONFIGURE";
 
-    public DefaultLayoutParser(Context context, AppWidgetHost appWidgetHost,
+    public DefaultLayoutParser(Context context, LauncherWidgetHolder appWidgetHolder,
             LayoutParserCallback callback, Resources sourceRes, int layoutId) {
-        super(context, appWidgetHost, callback, sourceRes, layoutId, TAG_FAVORITES);
+        super(context, appWidgetHolder, callback, sourceRes, layoutId, TAG_FAVORITES);
     }
 
     @Override
@@ -336,11 +336,11 @@
             final AppWidgetManager appWidgetManager = AppWidgetManager.getInstance(mContext);
             int insertedId = -1;
             try {
-                int appWidgetId = mAppWidgetHost.allocateAppWidgetId();
+                int appWidgetId = mAppWidgetHolder.allocateAppWidgetId();
 
                 if (!appWidgetManager.bindAppWidgetIdIfAllowed(appWidgetId, cn)) {
                     Log.e(TAG, "Unable to bind app widget id " + cn);
-                    mAppWidgetHost.deleteAppWidgetId(appWidgetId);
+                    mAppWidgetHolder.deleteAppWidgetId(appWidgetId);
                     return -1;
                 }
 
@@ -349,7 +349,7 @@
                 mValues.put(Favorites._ID, mCallback.generateNewItemId());
                 insertedId = mCallback.insertAndCheck(mDb, mValues);
                 if (insertedId < 0) {
-                    mAppWidgetHost.deleteAppWidgetId(appWidgetId);
+                    mAppWidgetHolder.deleteAppWidgetId(appWidgetId);
                     return insertedId;
                 }
 
diff --git a/src/com/android/launcher3/DeviceProfile.java b/src/com/android/launcher3/DeviceProfile.java
index c91e3eb..3cb3461 100644
--- a/src/com/android/launcher3/DeviceProfile.java
+++ b/src/com/android/launcher3/DeviceProfile.java
@@ -255,6 +255,7 @@
     public boolean isTaskbarPresentInApps;
     public int taskbarSize;
     public int stashedTaskbarSize;
+    public int transientTaskbarMargin;
 
     // DragController
     public int flingToDeleteThresholdVelocity;
@@ -320,6 +321,8 @@
                 taskbarSize = res.getDimensionPixelSize(R.dimen.transient_taskbar_size);
                 stashedTaskbarSize =
                         res.getDimensionPixelSize(R.dimen.transient_taskbar_stashed_size);
+                transientTaskbarMargin =
+                        res.getDimensionPixelSize(R.dimen.transient_taskbar_margin);
             } else {
                 taskbarSize = res.getDimensionPixelSize(R.dimen.taskbar_size);
                 stashedTaskbarSize = res.getDimensionPixelSize(R.dimen.taskbar_stashed_size);
@@ -1305,15 +1308,15 @@
      * Returns the number of pixels required below OverviewActions excluding insets.
      */
     public int getOverviewActionsClaimedSpaceBelow() {
-        if (isTaskbarPresent && !isGestureMode
-                // If taskbar is in overview, overview action has dedicated space above nav buttons
-                && !FeatureFlags.ENABLE_TASKBAR_IN_OVERVIEW.get()) {
-            // Align vertically to where nav buttons are.
-            return ((taskbarSize - overviewActionsHeight) / 2) + getTaskbarOffsetY();
-        }
-
         if (isTaskbarPresent) {
-            return FeatureFlags.ENABLE_TASKBAR_IN_OVERVIEW.get() ? taskbarSize : stashedTaskbarSize;
+            if (FeatureFlags.ENABLE_TASKBAR_IN_OVERVIEW.get()) {
+                return taskbarSize + transientTaskbarMargin;
+            }
+
+            return isGestureMode
+                    ? stashedTaskbarSize
+                    // Align vertically to where nav buttons are.
+                    : ((taskbarSize - overviewActionsHeight) / 2) + getTaskbarOffsetY();
         }
         return mInsets.bottom;
     }
diff --git a/src/com/android/launcher3/InvariantDeviceProfile.java b/src/com/android/launcher3/InvariantDeviceProfile.java
index 3d7d14f..87f5210 100644
--- a/src/com/android/launcher3/InvariantDeviceProfile.java
+++ b/src/com/android/launcher3/InvariantDeviceProfile.java
@@ -200,7 +200,8 @@
         String gridName = getCurrentGridName(context);
         String newGridName = initGrid(context, gridName);
         if (!newGridName.equals(gridName)) {
-            Utilities.getPrefs(context).edit().putString(KEY_IDP_GRID_NAME, newGridName).apply();
+            LauncherPrefs.getPrefs(context).edit().putString(KEY_IDP_GRID_NAME, newGridName)
+                    .apply();
         }
         new DeviceGridState(this).writeToPrefs(context);
 
@@ -308,8 +309,7 @@
     }
 
     public static String getCurrentGridName(Context context) {
-        return Utilities.isGridOptionsEnabled(context)
-                ? Utilities.getPrefs(context).getString(KEY_IDP_GRID_NAME, null) : null;
+        return LauncherPrefs.getPrefs(context).getString(KEY_IDP_GRID_NAME, null);
     }
 
     private String initGrid(Context context, String gridName) {
@@ -384,10 +384,6 @@
         allAppsBorderSpaces = displayOption.allAppsBorderSpaces;
         allAppsIconSize = displayOption.allAppsIconSizes;
         allAppsIconTextSize = displayOption.allAppsIconTextSizes;
-        if (!Utilities.isGridOptionsEnabled(context)) {
-            allAppsIconSize = iconSize;
-            allAppsIconTextSize = iconTextSize;
-        }
 
         if (devicePaddingId != 0) {
             devicePaddings = new DevicePaddings(context, devicePaddingId);
@@ -441,7 +437,7 @@
 
     public void setCurrentGrid(Context context, String gridName) {
         Context appContext = context.getApplicationContext();
-        Utilities.getPrefs(appContext).edit().putString(KEY_IDP_GRID_NAME, gridName).apply();
+        LauncherPrefs.getPrefs(appContext).edit().putString(KEY_IDP_GRID_NAME, gridName).apply();
         MAIN_EXECUTOR.execute(() -> onConfigChanged(appContext));
     }
 
diff --git a/src/com/android/launcher3/Launcher.java b/src/com/android/launcher3/Launcher.java
index ab7f622..5cce407 100644
--- a/src/com/android/launcher3/Launcher.java
+++ b/src/com/android/launcher3/Launcher.java
@@ -210,6 +210,7 @@
 import com.android.launcher3.views.ScrimView;
 import com.android.launcher3.widget.LauncherAppWidgetHostView;
 import com.android.launcher3.widget.LauncherAppWidgetProviderInfo;
+import com.android.launcher3.widget.LauncherWidgetHolder;
 import com.android.launcher3.widget.PendingAddShortcutInfo;
 import com.android.launcher3.widget.PendingAddWidgetInfo;
 import com.android.launcher3.widget.PendingAppWidgetHostView;
@@ -472,7 +473,7 @@
         InvariantDeviceProfile idp = app.getInvariantDeviceProfile();
         initDeviceProfile(idp);
         idp.addOnChangeListener(this);
-        mSharedPrefs = Utilities.getPrefs(this);
+        mSharedPrefs = LauncherPrefs.getPrefs(this);
         mIconCache = app.getIconCache();
         mAccessibilityDelegate = createAccessibilityDelegate();
 
@@ -648,14 +649,6 @@
     }
 
     /**
-     * Called when one handed mode activated and deactivated.
-     * @param activated true if one handed mode activated, false otherwise.
-     */
-    public void onOneHandedStateChanged(boolean activated) {
-        mDragLayer.onOneHandedModeStateChanged(activated);
-    }
-
-    /**
      * Returns {@code true} if a new DeviceProfile is initialized, and {@code false} otherwise.
      */
     protected boolean initDeviceProfile(InvariantDeviceProfile idp) {
@@ -1570,7 +1563,7 @@
 
     @Override
     public SharedPreferences getDevicePrefs() {
-        return Utilities.getDevicePrefs(this);
+        return LauncherPrefs.getDevicePrefs(this);
     }
 
     public int getOrientation() {
@@ -1720,6 +1713,7 @@
         } catch (NullPointerException ex) {
             Log.w(TAG, "problem while stopping AppWidgetHost during Launcher destruction", ex);
         }
+        mAppWidgetHolder.destroy();
 
         TextKeyListener.getInstance().release();
         clearPendingBinds();
diff --git a/src/com/android/launcher3/LauncherAppState.java b/src/com/android/launcher3/LauncherAppState.java
index ea3f723..4965936 100644
--- a/src/com/android/launcher3/LauncherAppState.java
+++ b/src/com/android/launcher3/LauncherAppState.java
@@ -18,7 +18,7 @@
 
 import static android.app.admin.DevicePolicyManager.ACTION_DEVICE_POLICY_RESOURCE_UPDATED;
 
-import static com.android.launcher3.Utilities.getDevicePrefs;
+import static com.android.launcher3.LauncherPrefs.getDevicePrefs;
 import static com.android.launcher3.util.Executors.MODEL_EXECUTOR;
 import static com.android.launcher3.util.SettingsCache.NOTIFICATION_BADGING_URI;
 
@@ -117,7 +117,7 @@
                 observer, MODEL_EXECUTOR.getHandler());
         mOnTerminateCallback.add(iconChangeTracker::close);
         MODEL_EXECUTOR.execute(observer::verifyIconChanged);
-        SharedPreferences prefs = Utilities.getPrefs(mContext);
+        SharedPreferences prefs = LauncherPrefs.getPrefs(mContext);
         prefs.registerOnSharedPreferenceChangeListener(observer);
         mOnTerminateCallback.add(
                 () -> prefs.unregisterOnSharedPreferenceChangeListener(observer));
diff --git a/src/com/android/launcher3/LauncherPrefs.kt b/src/com/android/launcher3/LauncherPrefs.kt
new file mode 100644
index 0000000..23ff10a
--- /dev/null
+++ b/src/com/android/launcher3/LauncherPrefs.kt
@@ -0,0 +1,20 @@
+package com.android.launcher3
+
+import android.content.Context
+import android.content.SharedPreferences
+
+object LauncherPrefs {
+
+    @JvmStatic
+    fun getPrefs(context: Context): SharedPreferences {
+        // Use application context for shared preferences, so that we use a single cached instance
+        return context.applicationContext.getSharedPreferences(
+                LauncherFiles.SHARED_PREFERENCES_KEY, Context.MODE_PRIVATE)
+    }
+
+    @JvmStatic
+    fun getDevicePrefs(context: Context): SharedPreferences {
+        // Use application context for shared preferences, so that we use a single cached instance
+        return context.applicationContext.getSharedPreferences(
+                LauncherFiles.DEVICE_PREFERENCES_KEY, Context.MODE_PRIVATE)
+    }}
\ No newline at end of file
diff --git a/src/com/android/launcher3/LauncherProvider.java b/src/com/android/launcher3/LauncherProvider.java
index 58e85fe..d002c2b 100644
--- a/src/com/android/launcher3/LauncherProvider.java
+++ b/src/com/android/launcher3/LauncherProvider.java
@@ -22,7 +22,6 @@
 
 import android.annotation.TargetApi;
 import android.app.backup.BackupManager;
-import android.appwidget.AppWidgetHost;
 import android.appwidget.AppWidgetManager;
 import android.content.ComponentName;
 import android.content.ContentProvider;
@@ -55,6 +54,8 @@
 import android.util.Log;
 import android.util.Xml;
 
+import androidx.annotation.NonNull;
+
 import com.android.launcher3.AutoInstallsLayout.LayoutParserCallback;
 import com.android.launcher3.LauncherSettings.Favorites;
 import com.android.launcher3.config.FeatureFlags;
@@ -70,7 +71,7 @@
 import com.android.launcher3.util.NoLocaleSQLiteHelper;
 import com.android.launcher3.util.PackageManagerHelper;
 import com.android.launcher3.util.Thunk;
-import com.android.launcher3.widget.LauncherAppWidgetHost;
+import com.android.launcher3.widget.LauncherWidgetHolder;
 
 import org.xmlpull.v1.XmlPullParser;
 
@@ -255,17 +256,20 @@
                     values.getAsString(Favorites.APPWIDGET_PROVIDER));
 
             if (cn != null) {
+                LauncherWidgetHolder widgetHolder = mOpenHelper.newLauncherWidgetHolder();
                 try {
-                    AppWidgetHost widgetHost = mOpenHelper.newLauncherWidgetHost();
-                    int appWidgetId = widgetHost.allocateAppWidgetId();
+                    int appWidgetId = widgetHolder.allocateAppWidgetId();
                     values.put(LauncherSettings.Favorites.APPWIDGET_ID, appWidgetId);
                     if (!appWidgetManager.bindAppWidgetIdIfAllowed(appWidgetId,cn)) {
-                        widgetHost.deleteAppWidgetId(appWidgetId);
+                        widgetHolder.deleteAppWidgetId(appWidgetId);
                         return false;
                     }
                 } catch (RuntimeException e) {
                     Log.e(TAG, "Failed to initialize external widget", e);
                     return false;
+                } finally {
+                    // Necessary to destroy the holder to free up possible activity context
+                    widgetHolder.destroy();
                 }
             } else {
                 return false;
@@ -370,7 +374,7 @@
             case LauncherSettings.Settings.METHOD_WAS_EMPTY_DB_CREATED : {
                 Bundle result = new Bundle();
                 result.putBoolean(LauncherSettings.Settings.EXTRA_VALUE,
-                        Utilities.getPrefs(getContext()).getBoolean(
+                        LauncherPrefs.getPrefs(getContext()).getBoolean(
                                 mOpenHelper.getKey(EMPTY_DATABASE_CREATED), false));
                 return result;
             }
@@ -516,7 +520,7 @@
     }
 
     private void clearFlagEmptyDbCreated() {
-        Utilities.getPrefs(getContext()).edit()
+        LauncherPrefs.getPrefs(getContext()).edit()
                 .remove(mOpenHelper.getKey(EMPTY_DATABASE_CREATED)).commit();
     }
 
@@ -528,15 +532,15 @@
      *   4) The default configuration for the particular device
      */
     synchronized private void loadDefaultFavoritesIfNecessary() {
-        SharedPreferences sp = Utilities.getPrefs(getContext());
+        SharedPreferences sp = LauncherPrefs.getPrefs(getContext());
 
         if (sp.getBoolean(mOpenHelper.getKey(EMPTY_DATABASE_CREATED), false)) {
             Log.d(TAG, "loading default workspace");
 
-            AppWidgetHost widgetHost = mOpenHelper.newLauncherWidgetHost();
-            AutoInstallsLayout loader = createWorkspaceLoaderFromAppRestriction(widgetHost);
+            LauncherWidgetHolder widgetHolder = mOpenHelper.newLauncherWidgetHolder();
+            AutoInstallsLayout loader = createWorkspaceLoaderFromAppRestriction(widgetHolder);
             if (loader == null) {
-                loader = AutoInstallsLayout.get(getContext(),widgetHost, mOpenHelper);
+                loader = AutoInstallsLayout.get(getContext(), widgetHolder, mOpenHelper);
             }
             if (loader == null) {
                 final Partner partner = Partner.get(getContext().getPackageManager());
@@ -545,7 +549,7 @@
                     int workspaceResId = partnerRes.getIdentifier(Partner.RES_DEFAULT_LAYOUT,
                             "xml", partner.getPackageName());
                     if (workspaceResId != 0) {
-                        loader = new DefaultLayoutParser(getContext(), widgetHost,
+                        loader = new DefaultLayoutParser(getContext(), widgetHolder,
                                 mOpenHelper, partnerRes, workspaceResId);
                     }
                 }
@@ -553,7 +557,7 @@
 
             final boolean usingExternallyProvidedLayout = loader != null;
             if (loader == null) {
-                loader = getDefaultLayoutParser(widgetHost);
+                loader = getDefaultLayoutParser(widgetHolder);
             }
 
             // There might be some partially restored DB items, due to buggy restore logic in
@@ -565,9 +569,10 @@
                 // Unable to load external layout. Cleanup and load the internal layout.
                 mOpenHelper.createEmptyDB(mOpenHelper.getWritableDatabase());
                 mOpenHelper.loadFavorites(mOpenHelper.getWritableDatabase(),
-                        getDefaultLayoutParser(widgetHost));
+                        getDefaultLayoutParser(widgetHolder));
             }
             clearFlagEmptyDbCreated();
+            widgetHolder.destroy();
         }
     }
 
@@ -576,7 +581,8 @@
      *
      * @return the loader if the restrictions are set and the resource exists; null otherwise.
      */
-    private AutoInstallsLayout createWorkspaceLoaderFromAppRestriction(AppWidgetHost widgetHost) {
+    private AutoInstallsLayout createWorkspaceLoaderFromAppRestriction(
+            LauncherWidgetHolder widgetHolder) {
         Context ctx = getContext();
         final String authority;
         if (!TextUtils.isEmpty(mProviderAuthority)) {
@@ -602,7 +608,7 @@
             parser.setInput(new StringReader(layout));
 
             Log.d(TAG, "Loading layout from " + authority);
-            return new AutoInstallsLayout(ctx, widgetHost, mOpenHelper,
+            return new AutoInstallsLayout(ctx, widgetHolder, mOpenHelper,
                     ctx.getPackageManager().getResourcesForApplication(pi.applicationInfo),
                     () -> parser, AutoInstallsLayout.TAG_WORKSPACE);
         } catch (Exception e) {
@@ -621,7 +627,7 @@
                 .build();
     }
 
-    private DefaultLayoutParser getDefaultLayoutParser(AppWidgetHost widgetHost) {
+    private DefaultLayoutParser getDefaultLayoutParser(LauncherWidgetHolder widgetHolder) {
         InvariantDeviceProfile idp = LauncherAppState.getIDP(getContext());
         int defaultLayout = mUseTestWorkspaceLayout
                 ? TEST_WORKSPACE_LAYOUT_RES_XML : idp.defaultLayoutId;
@@ -631,7 +637,7 @@
             defaultLayout = idp.demoModeLayoutId;
         }
 
-        return new DefaultLayoutParser(getContext(), widgetHost,
+        return new DefaultLayoutParser(getContext(), widgetHolder,
                 mOpenHelper, getContext().getResources(), defaultLayout);
     }
 
@@ -732,7 +738,7 @@
          */
         protected void onEmptyDbCreated() {
             // Set the flag for empty DB
-            Utilities.getPrefs(mContext).edit().putBoolean(getKey(EMPTY_DATABASE_CREATED), true)
+            LauncherPrefs.getPrefs(mContext).edit().putBoolean(getKey(EMPTY_DATABASE_CREATED), true)
                     .commit();
         }
 
@@ -932,40 +938,46 @@
          */
         public void removeGhostWidgets(SQLiteDatabase db) {
             // Get all existing widget ids.
-            final AppWidgetHost host = newLauncherWidgetHost();
-            final int[] allWidgets;
+            final LauncherWidgetHolder holder = newLauncherWidgetHolder();
             try {
-                // Although the method was defined in O, it has existed since the beginning of time,
-                // so it might work on older platforms as well.
-                allWidgets = host.getAppWidgetIds();
-            } catch (IncompatibleClassChangeError e) {
-                Log.e(TAG, "getAppWidgetIds not supported", e);
-                return;
-            }
-            final IntSet validWidgets = IntSet.wrap(LauncherDbUtils.queryIntArray(false, db,
-                    Favorites.TABLE_NAME, Favorites.APPWIDGET_ID,
-                    "itemType=" + Favorites.ITEM_TYPE_APPWIDGET, null, null));
-            boolean isAnyWidgetRemoved = false;
-            for (int widgetId : allWidgets) {
-                if (!validWidgets.contains(widgetId)) {
-                    try {
-                        FileLog.d(TAG, "Deleting invalid widget " + widgetId);
-                        host.deleteAppWidgetId(widgetId);
-                        isAnyWidgetRemoved = true;
-                    } catch (RuntimeException e) {
-                        // Ignore
+                final int[] allWidgets;
+                try {
+                    // Although the method was defined in O, it has existed since the beginning of
+                    // time, so it might work on older platforms as well.
+                    allWidgets = holder.getAppWidgetIds();
+                } catch (IncompatibleClassChangeError e) {
+                    Log.e(TAG, "getAppWidgetIds not supported", e);
+                    // Necessary to destroy the holder to free up possible activity context
+                    holder.destroy();
+                    return;
+                }
+                final IntSet validWidgets = IntSet.wrap(LauncherDbUtils.queryIntArray(false, db,
+                        Favorites.TABLE_NAME, Favorites.APPWIDGET_ID,
+                        "itemType=" + Favorites.ITEM_TYPE_APPWIDGET, null, null));
+                boolean isAnyWidgetRemoved = false;
+                for (int widgetId : allWidgets) {
+                    if (!validWidgets.contains(widgetId)) {
+                        try {
+                            FileLog.d(TAG, "Deleting invalid widget " + widgetId);
+                            holder.deleteAppWidgetId(widgetId);
+                            isAnyWidgetRemoved = true;
+                        } catch (RuntimeException e) {
+                            // Ignore
+                        }
                     }
                 }
-            }
-            if (isAnyWidgetRemoved) {
-                final String allWidgetsIds = Arrays.stream(allWidgets).mapToObj(String::valueOf)
-                        .collect(Collectors.joining(",", "[", "]"));
-                final String validWidgetsIds = Arrays.stream(
-                        validWidgets.getArray().toArray()).mapToObj(String::valueOf)
-                        .collect(Collectors.joining(",", "[", "]"));
-                FileLog.d(TAG, "One or more widgets was removed. db_path=" + db.getPath()
-                        + " allWidgetsIds=" + allWidgetsIds
-                        + ", validWidgetsIds=" + validWidgetsIds);
+                if (isAnyWidgetRemoved) {
+                    final String allWidgetsIds = Arrays.stream(allWidgets).mapToObj(String::valueOf)
+                            .collect(Collectors.joining(",", "[", "]"));
+                    final String validWidgetsIds = Arrays.stream(
+                                    validWidgets.getArray().toArray()).mapToObj(String::valueOf)
+                            .collect(Collectors.joining(",", "[", "]"));
+                    FileLog.d(TAG, "One or more widgets was removed. db_path=" + db.getPath()
+                            + " allWidgetsIds=" + allWidgetsIds
+                            + ", validWidgetsIds=" + validWidgetsIds);
+                }
+            } finally {
+                holder.destroy();
             }
         }
 
@@ -1066,8 +1078,12 @@
             return mMaxItemId;
         }
 
-        public AppWidgetHost newLauncherWidgetHost() {
-            return new LauncherAppWidgetHost(mContext);
+        /**
+         * @return A new {@link LauncherWidgetHolder} based on the current context
+         */
+        @NonNull
+        public LauncherWidgetHolder newLauncherWidgetHolder() {
+            return new LauncherWidgetHolder(mContext);
         }
 
         @Override
diff --git a/src/com/android/launcher3/LauncherWidgetHolder.java b/src/com/android/launcher3/LauncherWidgetHolder.java
deleted file mode 100644
index 5fcd46f..0000000
--- a/src/com/android/launcher3/LauncherWidgetHolder.java
+++ /dev/null
@@ -1,187 +0,0 @@
-/**
- * Copyright (C) 2022 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package com.android.launcher3;
-
-import android.appwidget.AppWidgetHostView;
-import android.appwidget.AppWidgetProviderInfo;
-import android.content.Context;
-
-import androidx.annotation.NonNull;
-import androidx.annotation.Nullable;
-
-import com.android.launcher3.uioverrides.ApiWrapper;
-import com.android.launcher3.widget.LauncherAppWidgetHost;
-import com.android.launcher3.widget.LauncherAppWidgetProviderInfo;
-import com.android.launcher3.widget.PendingAppWidgetHostView;
-
-import java.util.function.IntConsumer;
-
-/**
- * A wrapper for LauncherAppWidgetHost. This class is created so the AppWidgetHost could run in
- * background.
- */
-public class LauncherWidgetHolder {
-    @NonNull
-    private final LauncherAppWidgetHost mWidgetHost;
-
-    public LauncherWidgetHolder(@NonNull Context context) {
-        this(context, null);
-    }
-
-    public LauncherWidgetHolder(@NonNull Context context,
-            @Nullable IntConsumer appWidgetRemovedCallback) {
-        mWidgetHost = new LauncherAppWidgetHost(context, appWidgetRemovedCallback);
-    }
-
-    /**
-     * Starts listening to the widget updates from the server side
-     */
-    public void startListening() {
-        mWidgetHost.startListening();
-    }
-
-    /**
-     * Set the STARTED state of the widget host
-     * @param isStarted True if setting the host as started, false otherwise
-     */
-    public void setActivityStarted(boolean isStarted) {
-        mWidgetHost.setActivityStarted(isStarted);
-    }
-
-    /**
-     * Set the RESUMED state of the widget host
-     * @param isResumed True if setting the host as resumed, false otherwise
-     */
-    public void setActivityResumed(boolean isResumed) {
-        mWidgetHost.setActivityResumed(isResumed);
-    }
-
-    /**
-     * Set the NORMAL state of the widget host
-     * @param isNormal True if setting the host to be in normal state, false otherwise
-     */
-    public void setStateIsNormal(boolean isNormal) {
-        mWidgetHost.setStateIsNormal(isNormal);
-    }
-
-    /**
-     * Delete the specified app widget from the host
-     * @param appWidgetId The ID of the app widget to be deleted
-     */
-    public void deleteAppWidgetId(int appWidgetId) {
-        mWidgetHost.deleteAppWidgetId(appWidgetId);
-    }
-
-    /**
-     * Add the pending view to the host for complete configuration in further steps
-     * @param appWidgetId The ID of the specified app widget
-     * @param view The {@link PendingAppWidgetHostView} of the app widget
-     */
-    public void addPendingView(int appWidgetId, @NonNull PendingAppWidgetHostView view) {
-        mWidgetHost.addPendingView(appWidgetId, view);
-    }
-
-    /**
-     * @return True if the host is listening to the widget updates, false otherwise
-     */
-    public boolean isListening() {
-        return mWidgetHost.isListening();
-    }
-
-    /**
-     * @return The allocated app widget id if allocation is successful, returns -1 otherwise
-     */
-    public int allocateAppWidgetId() {
-        return mWidgetHost.allocateAppWidgetId();
-    }
-
-    /**
-     * Add a listener that is triggered when the providers of the widgets are changed
-     * @param listener The listener that notifies when the providers changed
-     */
-    public void addProviderChangeListener(
-            @NonNull LauncherAppWidgetHost.ProviderChangedListener listener) {
-        mWidgetHost.addProviderChangeListener(listener);
-    }
-
-    /**
-     * Remove the specified listener from the host
-     * @param listener The listener that is to be removed from the host
-     */
-    public void removeProviderChangeListener(
-            LauncherAppWidgetHost.ProviderChangedListener listener) {
-        mWidgetHost.removeProviderChangeListener(listener);
-    }
-
-    /**
-     * Starts the configuration activity for the widget
-     * @param activity The activity in which to start the configuration page
-     * @param widgetId The ID of the widget
-     * @param requestCode The request code
-     */
-    public void startConfigActivity(@NonNull BaseDraggingActivity activity, int widgetId,
-            int requestCode) {
-        mWidgetHost.startConfigActivity(activity, widgetId, requestCode);
-    }
-
-    /**
-     * Starts the binding flow for the widget
-     * @param activity The activity for which to bind the widget
-     * @param appWidgetId The ID of the widget
-     * @param info The {@link AppWidgetProviderInfo} of the widget
-     * @param requestCode The request code
-     */
-    public void startBindFlow(@NonNull BaseActivity activity,
-            int appWidgetId, @NonNull AppWidgetProviderInfo info, int requestCode) {
-        mWidgetHost.startBindFlow(activity, appWidgetId, info, requestCode);
-    }
-
-    /**
-     * Stop the host from listening to the widget updates
-     */
-    public void stopListening() {
-        mWidgetHost.stopListening();
-    }
-
-    /**
-     * Create a view for the specified app widget
-     * @param context The activity context for which the view is created
-     * @param appWidgetId The ID of the widget
-     * @param info The {@link LauncherAppWidgetProviderInfo} of the widget
-     * @return A view for the widget
-     */
-    @NonNull
-    public AppWidgetHostView createView(@NonNull Context context, int appWidgetId,
-            @NonNull LauncherAppWidgetProviderInfo info) {
-        return mWidgetHost.createView(context, appWidgetId, info);
-    }
-
-    /**
-     * Set the interaction handler for the widget host
-     * @param handler The interaction handler
-     */
-    public void setInteractionHandler(
-            @Nullable LauncherAppWidgetHost.LauncherWidgetInteractionHandler handler) {
-        ApiWrapper.setHostInteractionHandler(mWidgetHost, handler);
-    }
-
-    /**
-     * Clears all the views from the host
-     */
-    public void clearViews() {
-        mWidgetHost.clearViews();
-    }
-}
diff --git a/src/com/android/launcher3/SessionCommitReceiver.java b/src/com/android/launcher3/SessionCommitReceiver.java
index bcd4c3f..50ad2be 100644
--- a/src/com/android/launcher3/SessionCommitReceiver.java
+++ b/src/com/android/launcher3/SessionCommitReceiver.java
@@ -98,6 +98,6 @@
     }
 
     public static boolean isEnabled(Context context) {
-        return Utilities.getPrefs(context).getBoolean(ADD_ICON_PREFERENCE_KEY, true);
+        return LauncherPrefs.getPrefs(context).getBoolean(ADD_ICON_PREFERENCE_KEY, true);
     }
 }
diff --git a/src/com/android/launcher3/Utilities.java b/src/com/android/launcher3/Utilities.java
index a507532..ce009a1 100644
--- a/src/com/android/launcher3/Utilities.java
+++ b/src/com/android/launcher3/Utilities.java
@@ -26,20 +26,12 @@
 import android.app.ActivityManager;
 import android.app.Person;
 import android.app.WallpaperManager;
-import android.content.BroadcastReceiver;
-import android.content.ComponentName;
 import android.content.Context;
-import android.content.Intent;
-import android.content.SharedPreferences;
 import android.content.pm.LauncherActivityInfo;
 import android.content.pm.LauncherApps;
-import android.content.pm.PackageInfo;
-import android.content.pm.PackageManager;
-import android.content.pm.ResolveInfo;
 import android.content.pm.ShortcutInfo;
 import android.content.res.Configuration;
 import android.content.res.Resources;
-import android.database.ContentObserver;
 import android.graphics.Color;
 import android.graphics.ColorFilter;
 import android.graphics.LightingColorFilter;
@@ -51,7 +43,6 @@
 import android.graphics.drawable.AdaptiveIconDrawable;
 import android.graphics.drawable.ColorDrawable;
 import android.graphics.drawable.Drawable;
-import android.net.Uri;
 import android.os.Build;
 import android.os.Build.VERSION_CODES;
 import android.os.DeadObjectException;
@@ -71,15 +62,12 @@
 import android.view.View;
 import android.view.ViewConfiguration;
 import android.view.animation.Interpolator;
-import android.widget.LinearLayout;
 
 import androidx.annotation.ChecksSdkIntAtLeast;
 import androidx.annotation.NonNull;
-import androidx.annotation.Nullable;
 import androidx.core.graphics.ColorUtils;
 
 import com.android.launcher3.dragndrop.FolderAdaptiveIcon;
-import com.android.launcher3.graphics.GridCustomizationsProvider;
 import com.android.launcher3.graphics.TintedDrawableSpan;
 import com.android.launcher3.icons.ShortcutCachingLogic;
 import com.android.launcher3.icons.ThemedIconDrawable;
@@ -91,7 +79,6 @@
 import com.android.launcher3.shortcuts.ShortcutRequest;
 import com.android.launcher3.testing.shared.ResourceUtils;
 import com.android.launcher3.util.IntArray;
-import com.android.launcher3.util.PackageManagerHelper;
 import com.android.launcher3.util.SplitConfigurationOptions.SplitPositionOption;
 import com.android.launcher3.util.Themes;
 import com.android.launcher3.views.ActivityContext;
@@ -100,10 +87,8 @@
 
 import java.lang.reflect.Method;
 import java.util.ArrayList;
-import java.util.Arrays;
 import java.util.List;
 import java.util.Locale;
-import java.util.function.Consumer;
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 
@@ -117,8 +102,6 @@
     private static final Pattern sTrimPattern =
             Pattern.compile("^[\\s|\\p{javaSpaceChar}]*(.*)[\\s|\\p{javaSpaceChar}]*$");
 
-    private static final int[] sLoc0 = new int[2];
-    private static final int[] sLoc1 = new int[2];
     private static final Matrix sMatrix = new Matrix();
     private static final Matrix sInverseMatrix = new Matrix();
 
@@ -167,14 +150,6 @@
                         Settings.Global.DEVELOPMENT_SETTINGS_ENABLED, 0) != 0;
     }
 
-    // An intent extra to indicate the horizontal scroll of the wallpaper.
-    public static final String EXTRA_WALLPAPER_OFFSET = "com.android.launcher3.WALLPAPER_OFFSET";
-    public static final String EXTRA_WALLPAPER_FLAVOR = "com.android.launcher3.WALLPAPER_FLAVOR";
-
-    // An intent extra to indicate the launch source by launcher.
-    public static final String EXTRA_WALLPAPER_LAUNCH_SOURCE =
-            "com.android.wallpaper.LAUNCH_SOURCE";
-
     public static boolean IS_RUNNING_IN_TEST_HARNESS =
                     ActivityManager.isRunningInTestHarness();
 
@@ -186,12 +161,6 @@
         return Log.isLoggable(propertyName, Log.VERBOSE);
     }
 
-    public static boolean existsStyleWallpapers(Context context) {
-        ResolveInfo ri = context.getPackageManager().resolveActivity(
-                PackageManagerHelper.getStyleWallpapersIntent(context), 0);
-        return ri != null;
-    }
-
     /**
      * Given a coordinate relative to the descendant, find the coordinate in a parent view's
      * coordinates.
@@ -305,9 +274,9 @@
      * Sets {@param out} to be same as {@param in} by rounding individual values
      */
     public static void roundArray(float[] in, int[] out) {
-       for (int i = 0; i < in.length; i++) {
-           out[i] = Math.round(in[i]);
-       }
+        for (int i = 0; i < in.length; i++) {
+            out[i] = Math.round(in[i]);
+        }
     }
 
     public static void offsetPoints(float[] points, float offsetX, float offsetY) {
@@ -328,80 +297,8 @@
                 localY < (v.getHeight() + slop);
     }
 
-    public static int[] getCenterDeltaInScreenSpace(View v0, View v1) {
-        v0.getLocationInWindow(sLoc0);
-        v1.getLocationInWindow(sLoc1);
-
-        sLoc0[0] += (v0.getMeasuredWidth() * v0.getScaleX()) / 2;
-        sLoc0[1] += (v0.getMeasuredHeight() * v0.getScaleY()) / 2;
-        sLoc1[0] += (v1.getMeasuredWidth() * v1.getScaleX()) / 2;
-        sLoc1[1] += (v1.getMeasuredHeight() * v1.getScaleY()) / 2;
-        return new int[] {sLoc1[0] - sLoc0[0], sLoc1[1] - sLoc0[1]};
-    }
-
-    /**
-     * Helper method to set rectOut with rectFSrc.
-     */
-    public static void setRect(RectF rectFSrc, Rect rectOut) {
-        rectOut.left = (int) rectFSrc.left;
-        rectOut.top = (int) rectFSrc.top;
-        rectOut.right = (int) rectFSrc.right;
-        rectOut.bottom = (int) rectFSrc.bottom;
-    }
-
     public static void scaleRectFAboutCenter(RectF r, float scale) {
-        scaleRectFAboutPivot(r, scale, r.centerX(), r.centerY());
-    }
-
-    public static void scaleRectFAboutPivot(RectF r, float scale, float px, float py) {
-        if (scale != 1.0f) {
-            r.offset(-px, -py);
-            r.left = r.left * scale;
-            r.top = r.top * scale ;
-            r.right = r.right * scale;
-            r.bottom = r.bottom * scale;
-            r.offset(px, py);
-        }
-    }
-
-    public static void scaleRectAboutCenter(Rect r, float scale) {
-        if (scale != 1.0f) {
-            int cx = r.centerX();
-            int cy = r.centerY();
-            r.offset(-cx, -cy);
-            scaleRect(r, scale);
-            r.offset(cx, cy);
-        }
-    }
-
-    public static void scaleRect(Rect r, float scale) {
-        if (scale != 1.0f) {
-            r.left = (int) (r.left * scale + 0.5f);
-            r.top = (int) (r.top * scale + 0.5f);
-            r.right = (int) (r.right * scale + 0.5f);
-            r.bottom = (int) (r.bottom * scale + 0.5f);
-        }
-    }
-
-    public static void insetRect(Rect r, Rect insets) {
-        r.left = Math.min(r.right, r.left + insets.left);
-        r.top = Math.min(r.bottom, r.top + insets.top);
-        r.right = Math.max(r.left, r.right - insets.right);
-        r.bottom = Math.max(r.top, r.bottom - insets.bottom);
-    }
-
-    public static float shrinkRect(Rect r, float scaleX, float scaleY) {
-        float scale = Math.min(Math.min(scaleX, scaleY), 1.0f);
-        if (scale < 1.0f) {
-            int deltaX = (int) (r.width() * (scaleX - scale) * 0.5f);
-            r.left += deltaX;
-            r.right -= deltaX;
-
-            int deltaY = (int) (r.height() * (scaleY - scale) * 0.5f);
-            r.top += deltaY;
-            r.bottom -= deltaY;
-        }
-        return scale;
+        scaleRectFAboutCenter(r, scale, scale);
     }
 
     /**
@@ -419,6 +316,33 @@
         r.offset(px, py);
     }
 
+    public static void scaleRectAboutCenter(Rect r, float scale) {
+        if (scale != 1.0f) {
+            int cx = r.centerX();
+            int cy = r.centerY();
+            r.offset(-cx, -cy);
+            r.left = (int) (r.left * scale + 0.5f);
+            r.top = (int) (r.top * scale + 0.5f);
+            r.right = (int) (r.right * scale + 0.5f);
+            r.bottom = (int) (r.bottom * scale + 0.5f);
+            r.offset(cx, cy);
+        }
+    }
+
+    public static float shrinkRect(Rect r, float scaleX, float scaleY) {
+        float scale = Math.min(Math.min(scaleX, scaleY), 1.0f);
+        if (scale < 1.0f) {
+            int deltaX = (int) (r.width() * (scaleX - scale) * 0.5f);
+            r.left += deltaX;
+            r.right -= deltaX;
+
+            int deltaY = (int) (r.height() * (scaleY - scale) * 0.5f);
+            r.top += deltaY;
+            r.bottom -= deltaY;
+        }
+        return scale;
+    }
+
     /**
      * Maps t from one range to another range.
      * @param t The value to map.
@@ -454,30 +378,6 @@
     }
 
     /**
-     * Bounds parameter to the range [0, 1]
-     */
-    public static float saturate(float a) {
-        return boundToRange(a, 0, 1.0f);
-    }
-
-    /**
-     * Returns the compliment (1 - a) of the parameter.
-     */
-    public static float comp(float a) {
-        return 1 - a;
-    }
-
-    /**
-     * Returns the "probabilistic or" of a and b. (a + b - ab).
-     * Useful beyond probability, can be used to combine two unit progresses for example.
-     */
-    public static float or(float a, float b) {
-        float satA = saturate(a);
-        float satB = saturate(b);
-        return satA + satB - (satA * satB);
-    }
-
-    /**
      * Trims the string, removing all whitespace at the beginning and end of the string.
      * Non-breaking whitespaces are also removed.
      */
@@ -536,7 +436,6 @@
         return ResourceUtils.roundPxValueFromFloat(value);
     }
 
-
     public static String createDbSelectionQuery(String columnName, IntArray values) {
         return String.format(Locale.ENGLISH, "%s IN (%s)", columnName, values.toConcatString());
     }
@@ -560,18 +459,6 @@
     }
 
     /**
-     * Using the view's bounds and icon size, calculate where the icon bounds will
-     * be if it was positioned at the center of the view.
-     */
-    public static void setRectToViewCenter(View iconView, int iconSize, Rect outBounds) {
-        int top = (iconView.getHeight() - iconSize) / 2;
-        int left = (iconView.getWidth() - iconSize) / 2;
-        int right = left + iconSize;
-        int bottom = top + iconSize;
-        outBounds.set(left, top, right, bottom);
-    }
-
-    /**
      * Ensures that a value is within given bounds. Specifically:
      * If value is less than lowerBound, return lowerBound; else if value is greater than upperBound,
      * return upperBound; else return value unchanged.
@@ -621,18 +508,6 @@
         return spanned;
     }
 
-    public static SharedPreferences getPrefs(Context context) {
-        // Use application context for shared preferences, so that we use a single cached instance
-        return context.getApplicationContext().getSharedPreferences(
-                LauncherFiles.SHARED_PREFERENCES_KEY, Context.MODE_PRIVATE);
-    }
-
-    public static SharedPreferences getDevicePrefs(Context context) {
-        // Use application context for shared preferences, so that we use a single cached instance
-        return context.getApplicationContext().getSharedPreferences(
-                LauncherFiles.DEVICE_PREFERENCES_KEY, Context.MODE_PRIVATE);
-    }
-
     public static boolean isWallpaperSupported(Context context) {
         return context.getSystemService(WallpaperManager.class).isWallpaperSupported();
     }
@@ -646,42 +521,6 @@
                 || e.getCause() instanceof DeadObjectException;
     }
 
-    public static boolean isGridOptionsEnabled(Context context) {
-        return isComponentEnabled(context.getPackageManager(),
-                context.getPackageName(),
-                GridCustomizationsProvider.class.getName());
-    }
-
-    private static boolean isComponentEnabled(PackageManager pm, String pkgName, String clsName) {
-        ComponentName componentName = new ComponentName(pkgName, clsName);
-        int componentEnabledSetting = pm.getComponentEnabledSetting(componentName);
-
-        switch (componentEnabledSetting) {
-            case PackageManager.COMPONENT_ENABLED_STATE_DISABLED:
-                return false;
-            case PackageManager.COMPONENT_ENABLED_STATE_ENABLED:
-                return true;
-            case PackageManager.COMPONENT_ENABLED_STATE_DEFAULT:
-            default:
-                // We need to get the application info to get the component's default state
-                try {
-                    PackageInfo packageInfo = pm.getPackageInfo(pkgName,
-                            PackageManager.GET_PROVIDERS | PackageManager.GET_DISABLED_COMPONENTS);
-
-                    if (packageInfo.providers != null) {
-                        return Arrays.stream(packageInfo.providers).anyMatch(
-                                pi -> pi.name.equals(clsName) && pi.isEnabled());
-                    }
-
-                    // the component is not declared in the AndroidManifest
-                    return false;
-                } catch (PackageManager.NameNotFoundException e) {
-                    // the package isn't installed on the device
-                    return false;
-                }
-        }
-    }
-
     /**
      * Utility method to post a runnable on the handler, skipping the synchronization barriers.
      */
@@ -691,12 +530,6 @@
         handler.sendMessage(msg);
     }
 
-    public static void unregisterReceiverSafely(Context context, BroadcastReceiver receiver) {
-        try {
-            context.unregisterReceiver(receiver);
-        } catch (IllegalArgumentException e) {}
-    }
-
     /**
      * Returns the full drawable for info without any flattening or pre-processing.
      *
@@ -794,14 +627,6 @@
         }
     }
 
-    /**
-     * @return true is the extra is either null or is of type {@param type}
-     */
-    public static boolean isValidExtraType(Intent intent, String key, Class type) {
-        Object extra = intent.getParcelableExtra(key);
-        return extra == null || type.isInstance(extra);
-    }
-
     public static float squaredHypot(float x, float y) {
         return x * x + y * y;
     }
@@ -812,18 +637,6 @@
     }
 
     /**
-     * Helper method to create a content provider
-     */
-    public static ContentObserver newContentObserver(Handler handler, Consumer<Uri> command) {
-        return new ContentObserver(handler) {
-            @Override
-            public void onChange(boolean selfChange, Uri uri) {
-                command.accept(uri);
-            }
-        };
-    }
-
-    /**
      * Rotates `inOutBounds` by `delta` 90-degree increments. Rotation is visually CCW. Parent
      * sizes represent the "space" that will rotate carrying inOutBounds along with it to determine
      * the final bounds.
@@ -871,16 +684,6 @@
                 ColorUtils.blendARGB(0, color, tintAmount));
     }
 
-    /**
-     * Sets start margin on the provided {@param view} to be {@param margin}.
-     * Assumes {@param view} is a child of {@link LinearLayout}
-     */
-    public static void setStartMarginForView(View view, int margin) {
-        LinearLayout.LayoutParams lp = (LinearLayout.LayoutParams) view.getLayoutParams();
-        lp.setMarginStart(margin);
-        view.setLayoutParams(lp);
-    }
-
     public static Rect getViewBounds(@NonNull View v) {
         int[] pos = new int[2];
         v.getLocationOnScreen(pos);
@@ -921,12 +724,4 @@
         }
         return options;
     }
-
-    public static boolean bothNull(@Nullable Object a, @Nullable Object b) {
-        return a == null && b == null;
-    }
-
-    public static boolean bothNonNull(@Nullable Object a, @Nullable Object b) {
-        return a != null && b != null;
-    }
 }
diff --git a/src/com/android/launcher3/Workspace.java b/src/com/android/launcher3/Workspace.java
index a8def69..191d063 100644
--- a/src/com/android/launcher3/Workspace.java
+++ b/src/com/android/launcher3/Workspace.java
@@ -107,8 +107,9 @@
 import com.android.launcher3.util.RunnableList;
 import com.android.launcher3.util.Thunk;
 import com.android.launcher3.util.WallpaperOffsetInterpolator;
-import com.android.launcher3.widget.LauncherAppWidgetHost.ProviderChangedListener;
 import com.android.launcher3.widget.LauncherAppWidgetHostView;
+import com.android.launcher3.widget.LauncherWidgetHolder;
+import com.android.launcher3.widget.LauncherWidgetHolder.ProviderChangedListener;
 import com.android.launcher3.widget.NavigableAppWidgetHostView;
 import com.android.launcher3.widget.PendingAddShortcutInfo;
 import com.android.launcher3.widget.PendingAddWidgetInfo;
@@ -2384,6 +2385,9 @@
         ItemInfo item = d.dragInfo;
         final View child = (mDragInfo == null) ? null : mDragInfo.cell;
         if (!nearestDropOccupied) {
+            mDragTargetLayout.performReorder((int) mDragViewVisualCenter[0],
+                    (int) mDragViewVisualCenter[1], minSpanX, minSpanY, item.spanX, item.spanY,
+                    child, mTargetCell, new int[2], CellLayout.MODE_SHOW_REORDER_HINT);
             mDragTargetLayout.visualizeDropLocation(mTargetCell[0], mTargetCell[1],
                     item.spanX, item.spanY, d);
         } else if ((mDragMode == DRAG_MODE_NONE || mDragMode == DRAG_MODE_REORDER)
diff --git a/src/com/android/launcher3/allapps/BaseAllAppsContainerView.java b/src/com/android/launcher3/allapps/BaseAllAppsContainerView.java
index da86d98..8e519c1 100644
--- a/src/com/android/launcher3/allapps/BaseAllAppsContainerView.java
+++ b/src/com/android/launcher3/allapps/BaseAllAppsContainerView.java
@@ -54,6 +54,7 @@
 import com.android.launcher3.DropTarget.DragObject;
 import com.android.launcher3.Insettable;
 import com.android.launcher3.InsettableFrameLayout;
+import com.android.launcher3.LauncherPrefs;
 import com.android.launcher3.R;
 import com.android.launcher3.Utilities;
 import com.android.launcher3.allapps.search.SearchAdapterProvider;
@@ -148,7 +149,7 @@
 
         mWorkManager = new WorkProfileManager(
                 mActivityContext.getSystemService(UserManager.class),
-                this, Utilities.getPrefs(mActivityContext));
+                this, LauncherPrefs.getPrefs(mActivityContext));
         mAH = Arrays.asList(null, null, null);
         mAH.set(AdapterHolder.MAIN, new AdapterHolder(AdapterHolder.MAIN));
         mAH.set(AdapterHolder.WORK, new AdapterHolder(AdapterHolder.WORK));
diff --git a/src/com/android/launcher3/allapps/WorkEduCard.java b/src/com/android/launcher3/allapps/WorkEduCard.java
index 968a556..b3245ee 100644
--- a/src/com/android/launcher3/allapps/WorkEduCard.java
+++ b/src/com/android/launcher3/allapps/WorkEduCard.java
@@ -26,8 +26,8 @@
 import android.widget.FrameLayout;
 import android.widget.TextView;
 
+import com.android.launcher3.LauncherPrefs;
 import com.android.launcher3.R;
-import com.android.launcher3.Utilities;
 import com.android.launcher3.model.StringCache;
 import com.android.launcher3.views.ActivityContext;
 
@@ -85,7 +85,7 @@
     @Override
     public void onClick(View view) {
         startAnimation(mDismissAnim);
-        Utilities.getPrefs(getContext()).edit().putInt(WorkProfileManager.KEY_WORK_EDU_STEP,
+        LauncherPrefs.getPrefs(getContext()).edit().putInt(WorkProfileManager.KEY_WORK_EDU_STEP,
                 1).apply();
     }
 
diff --git a/src/com/android/launcher3/allapps/WorkModeSwitch.java b/src/com/android/launcher3/allapps/WorkModeSwitch.java
index 0a938b2..2272cdc 100644
--- a/src/com/android/launcher3/allapps/WorkModeSwitch.java
+++ b/src/com/android/launcher3/allapps/WorkModeSwitch.java
@@ -154,6 +154,7 @@
 
     private void updateVisibility() {
         clearAnimation();
+        onApplyWindowInsets(getRootWindowInsets());
         if (mWorkEnabled && mOnWorkTab) {
             setFlag(FLAG_FADE_ONGOING);
             setVisibility(VISIBLE);
diff --git a/src/com/android/launcher3/allapps/search/AllAppsSearchBarController.java b/src/com/android/launcher3/allapps/search/AllAppsSearchBarController.java
index 4c461aa..4d58eb0 100644
--- a/src/com/android/launcher3/allapps/search/AllAppsSearchBarController.java
+++ b/src/com/android/launcher3/allapps/search/AllAppsSearchBarController.java
@@ -15,9 +15,6 @@
  */
 package com.android.launcher3.allapps.search;
 
-import static com.android.launcher3.logging.StatsLogManager.LauncherEvent.LAUNCHER_ALLAPPS_FOCUSED_ITEM_SELECTED_WITH_IME;
-import static com.android.launcher3.logging.StatsLogManager.LauncherEvent.LAUNCHER_ALLAPPS_QUICK_SEARCH_WITH_IME;
-
 import android.text.Editable;
 import android.text.SpannableStringBuilder;
 import android.text.TextUtils;
@@ -125,10 +122,6 @@
     public boolean onEditorAction(TextView v, int actionId, KeyEvent event) {
 
         if (actionId == EditorInfo.IME_ACTION_SEARCH || actionId == EditorInfo.IME_ACTION_GO) {
-            mLauncher.getStatsLogManager().logger()
-                    .log(actionId == EditorInfo.IME_ACTION_SEARCH
-                            ? LAUNCHER_ALLAPPS_QUICK_SEARCH_WITH_IME
-                            : LAUNCHER_ALLAPPS_FOCUSED_ITEM_SELECTED_WITH_IME);
             // selectFocusedView should return SearchTargetEvent that is passed onto onClick
             return mLauncher.getAppsView().getMainAdapterProvider().launchHighlightedItem();
         }
diff --git a/src/com/android/launcher3/config/FeatureFlags.java b/src/com/android/launcher3/config/FeatureFlags.java
index 33f3bfd..9607da8 100644
--- a/src/com/android/launcher3/config/FeatureFlags.java
+++ b/src/com/android/launcher3/config/FeatureFlags.java
@@ -258,6 +258,10 @@
             getDebugFlag("ENABLE_SPLIT_FROM_FULLSCREEN_SHORTCUT", false,
                     "Enable splitting from fullscreen app with keyboard shortcuts");
 
+    public static final BooleanFlag ENABLE_SPLIT_FROM_WORKSPACE_TO_WORKSPACE = getDebugFlag(
+            "ENABLE_SPLIT_FROM_WORKSPACE_TO_WORKSPACE", false,
+            "Enable initiating split screen from workspace to workspace.");
+
     public static final BooleanFlag ENABLE_NEW_MIGRATION_LOGIC = getDebugFlag(
             "ENABLE_NEW_MIGRATION_LOGIC", true,
             "Enable the new grid migration logic, keeping pages when src < dest");
@@ -342,6 +346,11 @@
     public static final BooleanFlag ENABLE_DEVICE_PROFILE_LOGGING = new DeviceFlag(
             "ENABLE_DEVICE_PROFILE_LOGGING", false, "Allows DeviceProfile logging");
 
+    public static final BooleanFlag ENABLE_LAUNCH_FROM_STAGED_APP = getDebugFlag(
+            "ENABLE_LAUNCH_FROM_STAGED_APP", false,
+            "Enable the ability to tap a staged app during split select to launch it in full screen"
+    );
+
     public static void initialize(Context context) {
         synchronized (sDebugFlags) {
             for (DebugFlag flag : sDebugFlags) {
diff --git a/src/com/android/launcher3/dragndrop/AddItemActivity.java b/src/com/android/launcher3/dragndrop/AddItemActivity.java
index 05b1984..5a49f4a 100644
--- a/src/com/android/launcher3/dragndrop/AddItemActivity.java
+++ b/src/com/android/launcher3/dragndrop/AddItemActivity.java
@@ -53,6 +53,8 @@
 import android.view.accessibility.AccessibilityManager;
 import android.widget.TextView;
 
+import androidx.annotation.Nullable;
+
 import com.android.launcher3.BaseActivity;
 import com.android.launcher3.InvariantDeviceProfile;
 import com.android.launcher3.Launcher;
@@ -69,8 +71,8 @@
 import com.android.launcher3.views.AbstractSlideInView;
 import com.android.launcher3.views.BaseDragLayer;
 import com.android.launcher3.widget.AddItemWidgetsBottomSheet;
-import com.android.launcher3.widget.LauncherAppWidgetHost;
 import com.android.launcher3.widget.LauncherAppWidgetProviderInfo;
+import com.android.launcher3.widget.LauncherWidgetHolder;
 import com.android.launcher3.widget.NavigableAppWidgetHostView;
 import com.android.launcher3.widget.PendingAddShortcutInfo;
 import com.android.launcher3.widget.PendingAddWidgetInfo;
@@ -105,7 +107,8 @@
     private WidgetCell mWidgetCell;
 
     // Widget request specific options.
-    private LauncherAppWidgetHost mAppWidgetHost;
+    @Nullable
+    private LauncherWidgetHolder mAppWidgetHolder = null;
     private WidgetManagerHelper mAppWidgetManager;
     private int mPendingBindWidgetId;
     private Bundle mWidgetOptions;
@@ -284,7 +287,7 @@
         mWidgetCell.setRemoteViewsPreview(PinItemDragListener.getPreview(mRequest));
 
         mAppWidgetManager = new WidgetManagerHelper(this);
-        mAppWidgetHost = new LauncherAppWidgetHost(this);
+        mAppWidgetHolder = new LauncherWidgetHolder(this);
 
         PendingAddWidgetInfo pendingInfo =
                 new PendingAddWidgetInfo(widgetInfo, CONTAINER_PIN_WIDGETS);
@@ -338,7 +341,7 @@
             return;
         }
 
-        mPendingBindWidgetId = mAppWidgetHost.allocateAppWidgetId();
+        mPendingBindWidgetId = mAppWidgetHolder.allocateAppWidgetId();
         AppWidgetProviderInfo widgetProviderInfo = mRequest.getAppWidgetProviderInfo(this);
         boolean success = mAppWidgetManager.bindAppWidgetIdIfAllowed(
                 mPendingBindWidgetId, widgetProviderInfo, mWidgetOptions);
@@ -349,7 +352,7 @@
         }
 
         // request bind widget
-        mAppWidgetHost.startBindFlow(this, mPendingBindWidgetId,
+        mAppWidgetHolder.startBindFlow(this, mPendingBindWidgetId,
                 mRequest.getAppWidgetProviderInfo(this), REQUEST_BIND_APPWIDGET);
     }
 
@@ -363,6 +366,15 @@
     }
 
     @Override
+    public void onDestroy() {
+        super.onDestroy();
+        if (mAppWidgetHolder != null) {
+            // Necessary to destroy the holder to free up possible activity context
+            mAppWidgetHolder.destroy();
+        }
+    }
+
+    @Override
     public void onBackPressed() {
         logCommand(LAUNCHER_ADD_EXTERNAL_ITEM_BACK);
         mSlideInView.close(/* animate= */ true);
@@ -378,7 +390,7 @@
                 acceptWidget(widgetId);
             } else {
                 // Simply wait it out.
-                mAppWidgetHost.deleteAppWidgetId(widgetId);
+                mAppWidgetHolder.deleteAppWidgetId(widgetId);
                 mPendingBindWidgetId = -1;
             }
             return;
diff --git a/src/com/android/launcher3/dragndrop/DragLayer.java b/src/com/android/launcher3/dragndrop/DragLayer.java
index 1ee7fc1..366870b 100644
--- a/src/com/android/launcher3/dragndrop/DragLayer.java
+++ b/src/com/android/launcher3/dragndrop/DragLayer.java
@@ -56,7 +56,6 @@
 import com.android.launcher3.folder.Folder;
 import com.android.launcher3.graphics.Scrim;
 import com.android.launcher3.keyboard.ViewGroupFocusHelper;
-import com.android.launcher3.util.TouchController;
 import com.android.launcher3.views.BaseDragLayer;
 import com.android.systemui.plugins.shared.LauncherOverlayManager.LauncherOverlayCallbacks;
 
@@ -474,16 +473,6 @@
         return mWorkspaceDragScrim;
     }
 
-    /**
-     * Called when one handed mode state changed.
-     * @param activated true if one handed mode activated, false otherwise.
-     */
-    public void onOneHandedModeStateChanged(boolean activated) {
-        for (TouchController controller : mControllers) {
-            controller.onOneHandedModeStateChanged(activated);
-        }
-    }
-
     @Override
     public void onOverlayScrollChanged(float progress) {
         float alpha = 1 - Interpolators.DEACCEL_3.getInterpolation(progress);
diff --git a/src/com/android/launcher3/folder/FolderIcon.java b/src/com/android/launcher3/folder/FolderIcon.java
index e8759da..dd00f07 100644
--- a/src/com/android/launcher3/folder/FolderIcon.java
+++ b/src/com/android/launcher3/folder/FolderIcon.java
@@ -616,11 +616,14 @@
     public void drawDot(Canvas canvas) {
         if (!mForceHideDot && ((mDotInfo != null && mDotInfo.hasDot()) || mDotScale > 0)) {
             Rect iconBounds = mDotParams.iconBounds;
+            // FolderIcon draws the icon to be top-aligned (with padding) & horizontally-centered
+            int iconSize = mActivity.getDeviceProfile().iconSizePx;
+            iconBounds.left = (getWidth() - iconSize) / 2;
+            iconBounds.right = iconBounds.left + iconSize;
+            iconBounds.top = getPaddingTop();
+            iconBounds.bottom = iconBounds.top + iconSize;
 
-            Utilities.setRectToViewCenter(this, mActivity.getDeviceProfile().iconSizePx,
-                    iconBounds);
-            iconBounds.offsetTo(iconBounds.left, getPaddingTop());
-            float iconScale = (float) mBackground.previewSize / iconBounds.width();
+            float iconScale = (float) mBackground.previewSize / iconSize;
             Utilities.scaleRectAboutCenter(iconBounds, iconScale);
 
             // If we are animating to the accepting state, animate the dot out.
diff --git a/src/com/android/launcher3/graphics/GridCustomizationsProvider.java b/src/com/android/launcher3/graphics/GridCustomizationsProvider.java
index c28bab5..feadafa 100644
--- a/src/com/android/launcher3/graphics/GridCustomizationsProvider.java
+++ b/src/com/android/launcher3/graphics/GridCustomizationsProvider.java
@@ -1,6 +1,6 @@
 package com.android.launcher3.graphics;
 
-import static com.android.launcher3.Utilities.getPrefs;
+import static com.android.launcher3.LauncherPrefs.getPrefs;
 import static com.android.launcher3.util.Executors.UI_HELPER_EXECUTOR;
 import static com.android.launcher3.util.Themes.KEY_THEMED_ICONS;
 import static com.android.launcher3.util.Themes.isThemedIconEnabled;
diff --git a/src/com/android/launcher3/graphics/LauncherPreviewRenderer.java b/src/com/android/launcher3/graphics/LauncherPreviewRenderer.java
index 482e923..2361907 100644
--- a/src/com/android/launcher3/graphics/LauncherPreviewRenderer.java
+++ b/src/com/android/launcher3/graphics/LauncherPreviewRenderer.java
@@ -99,8 +99,8 @@
 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.LauncherWidgetHolder;
 import com.android.launcher3.widget.LocalColorExtractor;
 import com.android.launcher3.widget.NavigableAppWidgetHostView;
 import com.android.launcher3.widget.custom.CustomWidgetManager;
@@ -554,7 +554,7 @@
     private class LauncherPreviewAppWidgetHost extends AppWidgetHost {
 
         private LauncherPreviewAppWidgetHost(Context context) {
-            super(context, LauncherAppWidgetHost.APPWIDGET_HOST_ID);
+            super(context, LauncherWidgetHolder.APPWIDGET_HOST_ID);
         }
 
         @Override
diff --git a/src/com/android/launcher3/icons/ShortcutCachingLogic.java b/src/com/android/launcher3/icons/ShortcutCachingLogic.java
index 26ddc0b..9a86ede 100644
--- a/src/com/android/launcher3/icons/ShortcutCachingLogic.java
+++ b/src/com/android/launcher3/icons/ShortcutCachingLogic.java
@@ -16,7 +16,7 @@
 
 package com.android.launcher3.icons;
 
-import static com.android.launcher3.model.WidgetsModel.GO_DISABLE_SHORTCUTS;
+import static com.android.launcher3.model.WidgetsModel.GO_DISABLE_WIDGETS;
 
 import android.content.ComponentName;
 import android.content.Context;
@@ -101,7 +101,7 @@
      * Launcher specific checks
      */
     public static Drawable getIcon(Context context, ShortcutInfo shortcutInfo, int density) {
-        if (GO_DISABLE_SHORTCUTS) {
+        if (GO_DISABLE_WIDGETS) {
             return null;
         }
         try {
diff --git a/src/com/android/launcher3/model/BaseModelUpdateTask.java b/src/com/android/launcher3/model/BaseModelUpdateTask.java
index 5b6f9f6..74a2c5d 100644
--- a/src/com/android/launcher3/model/BaseModelUpdateTask.java
+++ b/src/com/android/launcher3/model/BaseModelUpdateTask.java
@@ -118,8 +118,7 @@
     }
 
     public void bindExtraContainerItems(@NonNull final FixedContainerItems item) {
-        FixedContainerItems copy = item.clone();
-        scheduleCallbackTask(c -> c.bindExtraContainerItems(copy));
+        scheduleCallbackTask(c -> c.bindExtraContainerItems(item));
     }
 
     public void bindDeepShortcuts(@NonNull final BgDataModel dataModel) {
diff --git a/src/com/android/launcher3/model/BgDataModel.java b/src/com/android/launcher3/model/BgDataModel.java
index ffb0f2f..b0f6e13 100644
--- a/src/com/android/launcher3/model/BgDataModel.java
+++ b/src/com/android/launcher3/model/BgDataModel.java
@@ -17,7 +17,7 @@
 
 import static android.content.pm.LauncherApps.ShortcutQuery.FLAG_GET_KEY_FIELDS_ONLY;
 
-import static com.android.launcher3.model.WidgetsModel.GO_DISABLE_SHORTCUTS;
+import static com.android.launcher3.model.WidgetsModel.GO_DISABLE_WIDGETS;
 import static com.android.launcher3.shortcuts.ShortcutRequest.PINNED;
 
 import static java.util.stream.Collectors.groupingBy;
@@ -286,7 +286,7 @@
      * shortcuts and unpinning any extra shortcuts.
      */
     public synchronized void updateShortcutPinnedState(Context context, UserHandle user) {
-        if (GO_DISABLE_SHORTCUTS) {
+        if (GO_DISABLE_WIDGETS) {
             return;
         }
 
@@ -433,26 +433,9 @@
         public final int containerId;
         public final List<ItemInfo> items;
 
-        public FixedContainerItems(int containerId) {
-            this(containerId, new ArrayList<>());
-        }
-
         public FixedContainerItems(int containerId, List<ItemInfo> items) {
             this.containerId = containerId;
-            this.items = items;
-        }
-
-        @Override
-        public FixedContainerItems clone() {
-            return new FixedContainerItems(containerId, new ArrayList<>(items));
-        }
-
-        public void setItems(List<ItemInfo> newItems) {
-            items.clear();
-            newItems.forEach(item -> {
-                item.container = containerId;
-                items.add(item);
-            });
+            this.items = Collections.unmodifiableList(items);
         }
     }
 
diff --git a/src/com/android/launcher3/model/DeviceGridState.java b/src/com/android/launcher3/model/DeviceGridState.java
index 46f0b0b..85d54c0 100644
--- a/src/com/android/launcher3/model/DeviceGridState.java
+++ b/src/com/android/launcher3/model/DeviceGridState.java
@@ -29,7 +29,7 @@
 import android.text.TextUtils;
 
 import com.android.launcher3.InvariantDeviceProfile;
-import com.android.launcher3.Utilities;
+import com.android.launcher3.LauncherPrefs;
 import com.android.launcher3.logging.StatsLogManager.LauncherEvent;
 
 import java.util.Locale;
@@ -58,7 +58,7 @@
     }
 
     public DeviceGridState(Context context) {
-        SharedPreferences prefs = Utilities.getPrefs(context);
+        SharedPreferences prefs = LauncherPrefs.getPrefs(context);
         mGridSizeString = prefs.getString(KEY_WORKSPACE_SIZE, "");
         mNumHotseat = prefs.getInt(KEY_HOTSEAT_COUNT, -1);
         mDeviceType = prefs.getInt(KEY_DEVICE_TYPE, TYPE_PHONE);
@@ -90,7 +90,7 @@
      * Stores the device state to shared preferences
      */
     public void writeToPrefs(Context context) {
-        Utilities.getPrefs(context).edit()
+        LauncherPrefs.getPrefs(context).edit()
                 .putString(KEY_WORKSPACE_SIZE, mGridSizeString)
                 .putInt(KEY_HOTSEAT_COUNT, mNumHotseat)
                 .putInt(KEY_DEVICE_TYPE, mDeviceType)
diff --git a/src/com/android/launcher3/model/ModelUtils.java b/src/com/android/launcher3/model/ModelUtils.java
index 1ced0b1..c21fc38 100644
--- a/src/com/android/launcher3/model/ModelUtils.java
+++ b/src/com/android/launcher3/model/ModelUtils.java
@@ -15,8 +15,6 @@
  */
 package com.android.launcher3.model;
 
-import static com.android.launcher3.Utilities.isValidExtraType;
-
 import android.content.Context;
 import android.content.Intent;
 import android.graphics.Bitmap;
@@ -149,4 +147,12 @@
         info.intent = launchIntent;
         return info;
     }
+
+    /**
+     * @return true if the extra is either null or is of type {@param type}
+     */
+    private static boolean isValidExtraType(Intent intent, String key, Class type) {
+        Object extra = intent.getParcelableExtra(key);
+        return extra == null || type.isInstance(extra);
+    }
 }
diff --git a/src/com/android/launcher3/model/ModelWriter.java b/src/com/android/launcher3/model/ModelWriter.java
index 514e7b2..f444bd5 100644
--- a/src/com/android/launcher3/model/ModelWriter.java
+++ b/src/com/android/launcher3/model/ModelWriter.java
@@ -36,7 +36,6 @@
 import com.android.launcher3.LauncherSettings;
 import com.android.launcher3.LauncherSettings.Favorites;
 import com.android.launcher3.LauncherSettings.Settings;
-import com.android.launcher3.LauncherWidgetHolder;
 import com.android.launcher3.Utilities;
 import com.android.launcher3.config.FeatureFlags;
 import com.android.launcher3.logging.FileLog;
@@ -49,6 +48,7 @@
 import com.android.launcher3.util.Executors;
 import com.android.launcher3.util.ItemInfoMatcher;
 import com.android.launcher3.util.LooperExecutor;
+import com.android.launcher3.widget.LauncherWidgetHolder;
 
 import java.util.ArrayList;
 import java.util.Arrays;
diff --git a/src/com/android/launcher3/pm/InstallSessionHelper.java b/src/com/android/launcher3/pm/InstallSessionHelper.java
index 16bb868..150bca4 100644
--- a/src/com/android/launcher3/pm/InstallSessionHelper.java
+++ b/src/com/android/launcher3/pm/InstallSessionHelper.java
@@ -16,7 +16,7 @@
 
 package com.android.launcher3.pm;
 
-import static com.android.launcher3.Utilities.getPrefs;
+import static com.android.launcher3.LauncherPrefs.getPrefs;
 
 import android.content.Context;
 import android.content.pm.ApplicationInfo;
diff --git a/src/com/android/launcher3/provider/RestoreDbTask.java b/src/com/android/launcher3/provider/RestoreDbTask.java
index 48b3acf..a45e835 100644
--- a/src/com/android/launcher3/provider/RestoreDbTask.java
+++ b/src/com/android/launcher3/provider/RestoreDbTask.java
@@ -36,6 +36,7 @@
 import com.android.launcher3.AppWidgetsRestoredReceiver;
 import com.android.launcher3.InvariantDeviceProfile;
 import com.android.launcher3.LauncherAppState;
+import com.android.launcher3.LauncherPrefs;
 import com.android.launcher3.LauncherProvider.DatabaseHelper;
 import com.android.launcher3.LauncherSettings.Favorites;
 import com.android.launcher3.Utilities;
@@ -47,6 +48,7 @@
 import com.android.launcher3.provider.LauncherDbUtils.SQLiteTransaction;
 import com.android.launcher3.util.IntArray;
 import com.android.launcher3.util.LogConfig;
+import com.android.launcher3.widget.LauncherWidgetHolder;
 
 import java.io.InvalidObjectException;
 import java.util.Arrays;
@@ -85,7 +87,7 @@
 
         // Set is pending to false irrespective of the result, so that it doesn't get
         // executed again.
-        Utilities.getPrefs(context).edit().remove(RESTORED_DEVICE_TYPE).commit();
+        LauncherPrefs.getPrefs(context).edit().remove(RESTORED_DEVICE_TYPE).commit();
 
         idp.reinitializeAfterRestore(context);
     }
@@ -238,7 +240,7 @@
         }
 
         // If restored from a single display backup, remove gaps between screenIds
-        if (Utilities.getPrefs(context).getInt(RESTORED_DEVICE_TYPE, TYPE_PHONE)
+        if (LauncherPrefs.getPrefs(context).getInt(RESTORED_DEVICE_TYPE, TYPE_PHONE)
                 != TYPE_MULTI_DISPLAY) {
             removeScreenIdGaps(db);
         }
@@ -337,7 +339,7 @@
     }
 
     public static boolean isPending(Context context) {
-        return Utilities.getPrefs(context).contains(RESTORED_DEVICE_TYPE);
+        return LauncherPrefs.getPrefs(context).contains(RESTORED_DEVICE_TYPE);
     }
 
     /**
@@ -345,17 +347,20 @@
      */
     public static void setPending(Context context) {
         FileLog.d(TAG, "Restore data received through full backup ");
-        Utilities.getPrefs(context).edit()
+        LauncherPrefs.getPrefs(context).edit()
                 .putInt(RESTORED_DEVICE_TYPE, new DeviceGridState(context).getDeviceType())
                 .commit();
     }
 
     private void restoreAppWidgetIdsIfExists(Context context) {
-        SharedPreferences prefs = Utilities.getPrefs(context);
+        SharedPreferences prefs = LauncherPrefs.getPrefs(context);
         if (prefs.contains(APPWIDGET_OLD_IDS) && prefs.contains(APPWIDGET_IDS)) {
+            LauncherWidgetHolder holder = new LauncherWidgetHolder(context);
             AppWidgetsRestoredReceiver.restoreAppWidgetIds(context,
                     IntArray.fromConcatString(prefs.getString(APPWIDGET_OLD_IDS, "")).toArray(),
-                    IntArray.fromConcatString(prefs.getString(APPWIDGET_IDS, "")).toArray());
+                    IntArray.fromConcatString(prefs.getString(APPWIDGET_IDS, "")).toArray(),
+                    holder);
+            holder.destroy();
         } else {
             FileLog.d(TAG, "No app widget ids to restore.");
         }
@@ -366,7 +371,7 @@
 
     public static void setRestoredAppWidgetIds(Context context, @NonNull int[] oldIds,
             @NonNull int[] newIds) {
-        Utilities.getPrefs(context).edit()
+        LauncherPrefs.getPrefs(context).edit()
                 .putString(APPWIDGET_OLD_IDS, IntArray.wrap(oldIds).toConcatString())
                 .putString(APPWIDGET_IDS, IntArray.wrap(newIds).toConcatString())
                 .commit();
diff --git a/src/com/android/launcher3/qsb/QsbContainerView.java b/src/com/android/launcher3/qsb/QsbContainerView.java
index 23ee251..f295204 100644
--- a/src/com/android/launcher3/qsb/QsbContainerView.java
+++ b/src/com/android/launcher3/qsb/QsbContainerView.java
@@ -43,8 +43,8 @@
 
 import com.android.launcher3.InvariantDeviceProfile;
 import com.android.launcher3.LauncherAppState;
+import com.android.launcher3.LauncherPrefs;
 import com.android.launcher3.R;
-import com.android.launcher3.Utilities;
 import com.android.launcher3.config.FeatureFlags;
 import com.android.launcher3.graphics.FragmentWithPreview;
 import com.android.launcher3.widget.util.WidgetSizes;
@@ -200,7 +200,7 @@
             Context context = getContext();
             AppWidgetManager widgetManager = AppWidgetManager.getInstance(context);
 
-            int widgetId = Utilities.getPrefs(context).getInt(mKeyWidgetId, -1);
+            int widgetId = LauncherPrefs.getPrefs(context).getInt(mKeyWidgetId, -1);
             AppWidgetProviderInfo widgetInfo = widgetManager.getAppWidgetInfo(widgetId);
             boolean isWidgetBound = (widgetInfo != null) &&
                     widgetInfo.provider.equals(mWidgetInfo.provider);
@@ -244,7 +244,7 @@
         }
 
         private void saveWidgetId(int widgetId) {
-            Utilities.getPrefs(getContext()).edit().putInt(mKeyWidgetId, widgetId).apply();
+            LauncherPrefs.getPrefs(getContext()).edit().putInt(mKeyWidgetId, widgetId).apply();
         }
 
         @Override
diff --git a/src/com/android/launcher3/search/StringMatcherUtility.java b/src/com/android/launcher3/search/StringMatcherUtility.java
index acab52b..c66f3a1 100644
--- a/src/com/android/launcher3/search/StringMatcherUtility.java
+++ b/src/com/android/launcher3/search/StringMatcherUtility.java
@@ -24,8 +24,8 @@
 public class StringMatcherUtility {
 
     /**
-     * Returns {@code true} is {@code query} is a prefix substring of a complete word/phrase in
-     * {@code target}.
+     * Returns {@code true} if {@code query} is a prefix of a substring in {@code target}. How to
+     * break target to valid substring is defined in the given {@code matcher}.
      */
     public static boolean matches(String query, String target, StringMatcher matcher) {
         int queryLength = query.length();
@@ -50,7 +50,7 @@
             thisType = nextType;
             nextType = i < (targetLength - 1)
                     ? Character.getType(target.codePointAt(i + 1)) : Character.UNASSIGNED;
-            if (isBreak(thisType, lastType, nextType)
+            if (matcher.isBreak(thisType, lastType, nextType)
                     && matcher.matches(query, target.substring(i, i + queryLength))) {
                 return true;
             }
@@ -59,52 +59,6 @@
     }
 
     /**
-     * Returns true if the current point should be a break point. Following cases
-     * are considered as break points:
-     *      1) Any non space character after a space character
-     *      2) Any digit after a non-digit character
-     *      3) Any capital character after a digit or small character
-     *      4) Any capital character before a small character
-     */
-    private static boolean isBreak(int thisType, int prevType, int nextType) {
-        switch (prevType) {
-            case Character.UNASSIGNED:
-            case Character.SPACE_SEPARATOR:
-            case Character.LINE_SEPARATOR:
-            case Character.PARAGRAPH_SEPARATOR:
-                return true;
-        }
-        switch (thisType) {
-            case Character.UPPERCASE_LETTER:
-                if (nextType == Character.UPPERCASE_LETTER) {
-                    return true;
-                }
-                // Follow through
-            case Character.TITLECASE_LETTER:
-                // Break point if previous was not a upper case
-                return prevType != Character.UPPERCASE_LETTER;
-            case Character.LOWERCASE_LETTER:
-                // Break point if previous was not a letter.
-                return prevType > Character.OTHER_LETTER || prevType <= Character.UNASSIGNED;
-            case Character.DECIMAL_DIGIT_NUMBER:
-            case Character.LETTER_NUMBER:
-            case Character.OTHER_NUMBER:
-                // Break point if previous was not a number
-                return !(prevType == Character.DECIMAL_DIGIT_NUMBER
-                        || prevType == Character.LETTER_NUMBER
-                        || prevType == Character.OTHER_NUMBER);
-            case Character.MATH_SYMBOL:
-            case Character.CURRENCY_SYMBOL:
-            case Character.OTHER_PUNCTUATION:
-            case Character.DASH_PUNCTUATION:
-                // Always a break point for a symbol
-                return true;
-            default:
-                return  false;
-        }
-    }
-
-    /**
      * Performs locale sensitive string comparison using {@link Collator}.
      */
     public static class StringMatcher {
@@ -142,6 +96,75 @@
         public static StringMatcher getInstance() {
             return new StringMatcher();
         }
+
+        /**
+         * Returns true if the current point should be a break point.
+         *
+         * Following cases are considered as break points:
+         *     1) Any non space character after a space character
+         *     2) Any digit after a non-digit character
+         *     3) Any capital character after a digit or small character
+         *     4) Any capital character before a small character
+         *
+         * E.g., "YouTube" matches the input "you" and "tube", but not "out".
+         */
+        protected boolean isBreak(int thisType, int prevType, int nextType) {
+            switch (prevType) {
+                case Character.UNASSIGNED:
+                case Character.SPACE_SEPARATOR:
+                case Character.LINE_SEPARATOR:
+                case Character.PARAGRAPH_SEPARATOR:
+                    return true;
+            }
+            switch (thisType) {
+                case Character.UPPERCASE_LETTER:
+                    if (nextType == Character.UPPERCASE_LETTER) {
+                        return true;
+                    }
+                    // Follow through
+                case Character.TITLECASE_LETTER:
+                    // Break point if previous was not a upper case
+                    return prevType != Character.UPPERCASE_LETTER;
+                case Character.LOWERCASE_LETTER:
+                    // Break point if previous was not a letter.
+                    return prevType > Character.OTHER_LETTER || prevType <= Character.UNASSIGNED;
+                case Character.DECIMAL_DIGIT_NUMBER:
+                case Character.LETTER_NUMBER:
+                case Character.OTHER_NUMBER:
+                    // Break point if previous was not a number
+                    return !(prevType == Character.DECIMAL_DIGIT_NUMBER
+                            || prevType == Character.LETTER_NUMBER
+                            || prevType == Character.OTHER_NUMBER);
+                case Character.MATH_SYMBOL:
+                case Character.CURRENCY_SYMBOL:
+                case Character.OTHER_PUNCTUATION:
+                case Character.DASH_PUNCTUATION:
+                    // Always a break point for a symbol
+                    return true;
+                default:
+                    return  false;
+            }
+        }
+    }
+
+    /**
+     * Subclass of {@code StringMatcher} using simple space break for prefix matching.
+     * E.g., "YouTube" matches the input "you". "Play Store" matches the input "play".
+     */
+    public static class StringMatcherSpace extends StringMatcher {
+
+        public static StringMatcherSpace getInstance() {
+            return new StringMatcherSpace();
+        }
+
+        /**
+         * The first character or any character after a space is considered as a break point.
+         * Returns true if the current point should be a break point.
+         */
+        @Override
+        protected boolean isBreak(int thisType, int prevType, int nextType) {
+            return prevType == Character.UNASSIGNED || prevType == Character.SPACE_SEPARATOR;
+        }
     }
 
     /**
diff --git a/src/com/android/launcher3/secondarydisplay/SecondaryDisplayLauncher.java b/src/com/android/launcher3/secondarydisplay/SecondaryDisplayLauncher.java
index 7b32d8b..dbab700 100644
--- a/src/com/android/launcher3/secondarydisplay/SecondaryDisplayLauncher.java
+++ b/src/com/android/launcher3/secondarydisplay/SecondaryDisplayLauncher.java
@@ -35,9 +35,9 @@
 import com.android.launcher3.InvariantDeviceProfile;
 import com.android.launcher3.LauncherAppState;
 import com.android.launcher3.LauncherModel;
+import com.android.launcher3.LauncherPrefs;
 import com.android.launcher3.LauncherSettings;
 import com.android.launcher3.R;
-import com.android.launcher3.Utilities;
 import com.android.launcher3.allapps.ActivityAllAppsContainerView;
 import com.android.launcher3.dragndrop.DragController;
 import com.android.launcher3.dragndrop.DragOptions;
@@ -87,7 +87,7 @@
         super.onCreate(savedInstanceState);
         mModel = LauncherAppState.getInstance(this).getModel();
         mDragController = new SecondaryDragController(this);
-        mOnboardingPrefs = new OnboardingPrefs<>(this, Utilities.getPrefs(this));
+        mOnboardingPrefs = new OnboardingPrefs<>(this, LauncherPrefs.getPrefs(this));
         mSecondaryDisplayPredictions = SecondaryDisplayPredictions.newInstance(this);
         if (getWindow().getDecorView().isAttachedToWindow()) {
             initUi();
diff --git a/src/com/android/launcher3/settings/DeveloperOptionsFragment.java b/src/com/android/launcher3/settings/DeveloperOptionsFragment.java
index 6057586..c81214e 100644
--- a/src/com/android/launcher3/settings/DeveloperOptionsFragment.java
+++ b/src/com/android/launcher3/settings/DeveloperOptionsFragment.java
@@ -59,8 +59,8 @@
 import androidx.preference.PreferenceViewHolder;
 import androidx.preference.SwitchPreference;
 
+import com.android.launcher3.LauncherPrefs;
 import com.android.launcher3.R;
-import com.android.launcher3.Utilities;
 import com.android.launcher3.config.FeatureFlags;
 import com.android.launcher3.config.FlagTogglerPrefUi;
 import com.android.launcher3.secondarydisplay.SecondaryDisplayLauncher;
@@ -392,7 +392,8 @@
             onboardingPref.setTitle(title);
             onboardingPref.setSummary("Tap to reset");
             onboardingPref.setOnPreferenceClickListener(preference -> {
-                SharedPreferences.Editor sharedPrefsEdit = Utilities.getPrefs(getContext()).edit();
+                SharedPreferences.Editor sharedPrefsEdit = LauncherPrefs.getPrefs(getContext())
+                        .edit();
                 for (String key : keys) {
                     sharedPrefsEdit.remove(key);
                 }
diff --git a/src/com/android/launcher3/settings/SettingsActivity.java b/src/com/android/launcher3/settings/SettingsActivity.java
index 70956a3..4cb4348 100644
--- a/src/com/android/launcher3/settings/SettingsActivity.java
+++ b/src/com/android/launcher3/settings/SettingsActivity.java
@@ -46,6 +46,7 @@
 import com.android.launcher3.DeviceProfile;
 import com.android.launcher3.InvariantDeviceProfile;
 import com.android.launcher3.LauncherFiles;
+import com.android.launcher3.LauncherPrefs;
 import com.android.launcher3.R;
 import com.android.launcher3.Utilities;
 import com.android.launcher3.config.FeatureFlags;
@@ -113,7 +114,8 @@
             // Display the fragment as the main content.
             fm.beginTransaction().replace(R.id.content_frame, f).commit();
         }
-        Utilities.getPrefs(getApplicationContext()).registerOnSharedPreferenceChangeListener(this);
+        LauncherPrefs.getPrefs(getApplicationContext())
+                .registerOnSharedPreferenceChangeListener(this);
     }
 
     /**
diff --git a/src/com/android/launcher3/shortcuts/ShortcutRequest.java b/src/com/android/launcher3/shortcuts/ShortcutRequest.java
index 07d3292..5291ce4 100644
--- a/src/com/android/launcher3/shortcuts/ShortcutRequest.java
+++ b/src/com/android/launcher3/shortcuts/ShortcutRequest.java
@@ -16,7 +16,7 @@
 
 package com.android.launcher3.shortcuts;
 
-import static com.android.launcher3.model.WidgetsModel.GO_DISABLE_SHORTCUTS;
+import static com.android.launcher3.model.WidgetsModel.GO_DISABLE_WIDGETS;
 
 import android.content.ComponentName;
 import android.content.Context;
@@ -46,7 +46,7 @@
             | ShortcutQuery.FLAG_MATCH_MANIFEST;
     public static final int PINNED = ShortcutQuery.FLAG_MATCH_PINNED;
 
-    private final ShortcutQuery mQuery = GO_DISABLE_SHORTCUTS ? null : new ShortcutQuery();
+    private final ShortcutQuery mQuery = GO_DISABLE_WIDGETS ? null : new ShortcutQuery();
 
     private final Context mContext;
     private final UserHandle mUserHandle;
@@ -73,7 +73,7 @@
      * @return A list of ShortcutInfo's associated with the given package.
      */
     public ShortcutRequest forPackage(String packageName, @Nullable List<String> shortcutIds) {
-        if (!GO_DISABLE_SHORTCUTS && packageName != null) {
+        if (!GO_DISABLE_WIDGETS && packageName != null) {
             mQuery.setPackage(packageName);
             mQuery.setShortcutIds(shortcutIds);
         }
@@ -81,7 +81,7 @@
     }
 
     public ShortcutRequest withContainer(@Nullable ComponentName activity) {
-        if (!GO_DISABLE_SHORTCUTS) {
+        if (!GO_DISABLE_WIDGETS) {
             if (activity == null) {
                 mFailed = true;
             } else {
@@ -92,7 +92,7 @@
     }
 
     public QueryResult query(int flags) {
-        if (GO_DISABLE_SHORTCUTS || mFailed) {
+        if (GO_DISABLE_WIDGETS || mFailed) {
             return QueryResult.DEFAULT;
         }
         mQuery.setQueryFlags(flags);
@@ -108,7 +108,7 @@
 
     public static class QueryResult extends ArrayList<ShortcutInfo> {
 
-        static final QueryResult DEFAULT = new QueryResult(GO_DISABLE_SHORTCUTS);
+        static final QueryResult DEFAULT = new QueryResult(GO_DISABLE_WIDGETS);
 
         private final boolean mWasSuccess;
 
diff --git a/src/com/android/launcher3/states/RotationHelper.java b/src/com/android/launcher3/states/RotationHelper.java
index b94ea07..642bdcd 100644
--- a/src/com/android/launcher3/states/RotationHelper.java
+++ b/src/com/android/launcher3/states/RotationHelper.java
@@ -36,7 +36,7 @@
 
 import com.android.launcher3.BaseActivity;
 import com.android.launcher3.DeviceProfile;
-import com.android.launcher3.Utilities;
+import com.android.launcher3.LauncherPrefs;
 import com.android.launcher3.util.DisplayController;
 
 /**
@@ -104,7 +104,7 @@
         mIgnoreAutoRotateSettings = ignoreAutoRotateSettings;
         if (!mIgnoreAutoRotateSettings) {
             if (mSharedPrefs == null) {
-                mSharedPrefs = Utilities.getPrefs(mActivity);
+                mSharedPrefs = LauncherPrefs.getPrefs(mActivity);
                 mSharedPrefs.registerOnSharedPreferenceChangeListener(this);
             }
             mHomeRotationEnabled = mSharedPrefs.getBoolean(ALLOW_ROTATION_PREFERENCE_KEY,
diff --git a/src/com/android/launcher3/util/BgObjectWithLooper.java b/src/com/android/launcher3/util/BgObjectWithLooper.java
index 1483c43..adc3c7d 100644
--- a/src/com/android/launcher3/util/BgObjectWithLooper.java
+++ b/src/com/android/launcher3/util/BgObjectWithLooper.java
@@ -15,10 +15,15 @@
  */
 package com.android.launcher3.util;
 
+import android.database.ContentObserver;
+import android.net.Uri;
+import android.os.Handler;
 import android.os.Looper;
 
 import androidx.annotation.WorkerThread;
 
+import java.util.function.Consumer;
+
 /**
  * Utility class to define an object which does most of it's processing on a
  * dedicated background thread.
@@ -43,4 +48,16 @@
      */
     @WorkerThread
     protected abstract void onInitialized(Looper looper);
+
+    /**
+     * Helper method to create a content provider
+     */
+    protected static ContentObserver newContentObserver(Handler handler, Consumer<Uri> command) {
+        return new ContentObserver(handler) {
+            @Override
+            public void onChange(boolean selfChange, Uri uri) {
+                command.accept(uri);
+            }
+        };
+    }
 }
diff --git a/src/com/android/launcher3/util/ShortcutUtil.java b/src/com/android/launcher3/util/ShortcutUtil.java
index 79cafa0..91cf835 100644
--- a/src/com/android/launcher3/util/ShortcutUtil.java
+++ b/src/com/android/launcher3/util/ShortcutUtil.java
@@ -34,7 +34,7 @@
      * Returns true when we should show depp shortcuts in shortcut menu for the item.
      */
     public static boolean supportsDeepShortcuts(ItemInfo info) {
-        return isActive(info) && isApp(info) && !WidgetsModel.GO_DISABLE_SHORTCUTS;
+        return isActive(info) && isApp(info) && !WidgetsModel.GO_DISABLE_WIDGETS;
     }
 
     /**
diff --git a/src/com/android/launcher3/util/SimpleBroadcastReceiver.java b/src/com/android/launcher3/util/SimpleBroadcastReceiver.java
index 4dfa5cc..0a23506 100644
--- a/src/com/android/launcher3/util/SimpleBroadcastReceiver.java
+++ b/src/com/android/launcher3/util/SimpleBroadcastReceiver.java
@@ -52,4 +52,15 @@
         }
         context.registerReceiver(this, filter, flags);
     }
+
+    /**
+     * Unregisters the receiver ignoring any errors
+     */
+    public void unregisterReceiverSafely(Context context) {
+        try {
+            context.unregisterReceiver(this);
+        } catch (IllegalArgumentException e) {
+            // It was probably never registered or already unregistered. Ignore.
+        }
+    }
 }
diff --git a/src/com/android/launcher3/util/Themes.java b/src/com/android/launcher3/util/Themes.java
index 1728f4d..585bea9 100644
--- a/src/com/android/launcher3/util/Themes.java
+++ b/src/com/android/launcher3/util/Themes.java
@@ -30,6 +30,7 @@
 import android.util.SparseArray;
 import android.util.TypedValue;
 
+import com.android.launcher3.LauncherPrefs;
 import com.android.launcher3.R;
 import com.android.launcher3.Utilities;
 import com.android.launcher3.icons.GraphicsUtils;
@@ -73,7 +74,7 @@
      * Returns true if workspace icon theming is enabled
      */
     public static boolean isThemedIconEnabled(Context context) {
-        return Utilities.getPrefs(context).getBoolean(KEY_THEMED_ICONS, false);
+        return LauncherPrefs.getPrefs(context).getBoolean(KEY_THEMED_ICONS, false);
     }
 
     public static String getDefaultBodyFont(Context context) {
diff --git a/src/com/android/launcher3/util/TouchController.java b/src/com/android/launcher3/util/TouchController.java
index 9c397c0..fc1d819 100644
--- a/src/com/android/launcher3/util/TouchController.java
+++ b/src/com/android/launcher3/util/TouchController.java
@@ -32,10 +32,5 @@
      */
     boolean onControllerInterceptTouchEvent(MotionEvent ev);
 
-    /**
-     * Called when one handed mode state changed
-     */
-    default void onOneHandedModeStateChanged(boolean activated) { }
-
     default void dump(String prefix, PrintWriter writer) { }
 }
diff --git a/src/com/android/launcher3/views/AppLauncher.java b/src/com/android/launcher3/views/AppLauncher.java
index dc07e45..19e66ab 100644
--- a/src/com/android/launcher3/views/AppLauncher.java
+++ b/src/com/android/launcher3/views/AppLauncher.java
@@ -16,7 +16,7 @@
 package com.android.launcher3.views;
 
 import static com.android.launcher3.logging.StatsLogManager.LauncherEvent.LAUNCHER_APP_LAUNCH_TAP;
-import static com.android.launcher3.model.WidgetsModel.GO_DISABLE_SHORTCUTS;
+import static com.android.launcher3.model.WidgetsModel.GO_DISABLE_WIDGETS;
 
 import android.app.ActivityOptions;
 import android.content.ActivityNotFoundException;
@@ -190,7 +190,7 @@
      */
     default void startShortcut(String packageName, String id, Rect sourceBounds,
             Bundle startActivityOptions, UserHandle user) {
-        if (GO_DISABLE_SHORTCUTS) {
+        if (GO_DISABLE_WIDGETS) {
             return;
         }
         try {
diff --git a/src/com/android/launcher3/views/OptionsPopupView.java b/src/com/android/launcher3/views/OptionsPopupView.java
index d301925..b3c376f 100644
--- a/src/com/android/launcher3/views/OptionsPopupView.java
+++ b/src/com/android/launcher3/views/OptionsPopupView.java
@@ -15,9 +15,6 @@
  */
 package com.android.launcher3.views;
 
-import static com.android.launcher3.Utilities.EXTRA_WALLPAPER_FLAVOR;
-import static com.android.launcher3.Utilities.EXTRA_WALLPAPER_LAUNCH_SOURCE;
-import static com.android.launcher3.Utilities.EXTRA_WALLPAPER_OFFSET;
 import static com.android.launcher3.logging.StatsLogManager.LauncherEvent.IGNORE;
 import static com.android.launcher3.logging.StatsLogManager.LauncherEvent.LAUNCHER_SETTINGS_BUTTON_TAP_OR_LONGPRESS;
 import static com.android.launcher3.logging.StatsLogManager.LauncherEvent.LAUNCHER_WIDGETSTRAY_BUTTON_TAP_OR_LONGPRESS;
@@ -51,6 +48,7 @@
 import com.android.launcher3.shortcuts.DeepShortcutView;
 import com.android.launcher3.testing.TestLogging;
 import com.android.launcher3.testing.shared.TestProtocol;
+import com.android.launcher3.util.PackageManagerHelper;
 import com.android.launcher3.widget.picker.WidgetsFullSheet;
 
 import java.util.ArrayList;
@@ -62,6 +60,13 @@
 public class OptionsPopupView extends ArrowPopup<Launcher>
         implements OnClickListener, OnLongClickListener {
 
+    // An intent extra to indicate the horizontal scroll of the wallpaper.
+    private static final String EXTRA_WALLPAPER_OFFSET = "com.android.launcher3.WALLPAPER_OFFSET";
+    private static final String EXTRA_WALLPAPER_FLAVOR = "com.android.launcher3.WALLPAPER_FLAVOR";
+    // An intent extra to indicate the launch source by launcher.
+    private static final String EXTRA_WALLPAPER_LAUNCH_SOURCE =
+            "com.android.wallpaper.LAUNCH_SOURCE";
+
     private final ArrayMap<View, OptionItem> mItemMap = new ArrayMap<>();
     private RectF mTargetRect;
     private boolean mShouldAddArrow;
@@ -180,10 +185,11 @@
      */
     public static ArrayList<OptionItem> getOptions(Launcher launcher) {
         ArrayList<OptionItem> options = new ArrayList<>();
-        int resString = Utilities.existsStyleWallpapers(launcher) ?
-                R.string.styles_wallpaper_button_text : R.string.wallpaper_button_text;
-        int resDrawable = Utilities.existsStyleWallpapers(launcher) ?
-                R.drawable.ic_palette : R.drawable.ic_wallpaper;
+        boolean styleWallpaperExists = styleWallpapersExists(launcher);
+        int resString = styleWallpaperExists
+                ? R.string.styles_wallpaper_button_text : R.string.wallpaper_button_text;
+        int resDrawable = styleWallpaperExists
+                ? R.drawable.ic_palette : R.drawable.ic_wallpaper;
         options.add(new OptionItem(launcher,
                 resString,
                 resDrawable,
@@ -251,7 +257,7 @@
                 .putExtra(EXTRA_WALLPAPER_OFFSET,
                         launcher.getWorkspace().getWallpaperOffsetForCenterPage())
                 .putExtra(EXTRA_WALLPAPER_LAUNCH_SOURCE, "app_launched_launcher");
-        if (!Utilities.existsStyleWallpapers(launcher)) {
+        if (!styleWallpapersExists(launcher)) {
             intent.putExtra(EXTRA_WALLPAPER_FLAVOR, "wallpaper_only");
         } else {
             intent.putExtra(EXTRA_WALLPAPER_FLAVOR, "focus_wallpaper");
@@ -299,4 +305,9 @@
             this.clickListener = clickListener;
         }
     }
+
+    private static boolean styleWallpapersExists(Context context) {
+        return context.getPackageManager().resolveActivity(
+                PackageManagerHelper.getStyleWallpapersIntent(context), 0) != null;
+    }
 }
diff --git a/src/com/android/launcher3/widget/LauncherAppWidgetHost.java b/src/com/android/launcher3/widget/LauncherAppWidgetHost.java
index fff8fbb..9c21ea2 100644
--- a/src/com/android/launcher3/widget/LauncherAppWidgetHost.java
+++ b/src/com/android/launcher3/widget/LauncherAppWidgetHost.java
@@ -16,301 +16,87 @@
 
 package com.android.launcher3.widget;
 
-import static android.app.Activity.RESULT_CANCELED;
+import static com.android.launcher3.widget.LauncherWidgetHolder.APPWIDGET_HOST_ID;
 
-import android.app.PendingIntent;
 import android.appwidget.AppWidgetHost;
-import android.appwidget.AppWidgetHostView;
-import android.appwidget.AppWidgetManager;
 import android.appwidget.AppWidgetProviderInfo;
-import android.content.ActivityNotFoundException;
 import android.content.Context;
-import android.content.Intent;
-import android.os.Bundle;
-import android.os.Handler;
-import android.util.SparseArray;
-import android.view.View;
-import android.widget.RemoteViews;
-import android.widget.Toast;
 
+import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
 
-import com.android.launcher3.BaseActivity;
-import com.android.launcher3.BaseDraggingActivity;
 import com.android.launcher3.LauncherAppState;
-import com.android.launcher3.R;
-import com.android.launcher3.Utilities;
-import com.android.launcher3.config.FeatureFlags;
-import com.android.launcher3.model.WidgetsModel;
-import com.android.launcher3.model.data.ItemInfo;
-import com.android.launcher3.testing.TestLogging;
-import com.android.launcher3.testing.shared.TestProtocol;
-import com.android.launcher3.widget.custom.CustomWidgetManager;
 
 import java.util.ArrayList;
 import java.util.function.IntConsumer;
 
-
 /**
  * Specific {@link AppWidgetHost} that creates our {@link LauncherAppWidgetHostView}
  * which correctly captures all long-press events. This ensures that users can
  * always pick up and move widgets.
  */
-public class LauncherAppWidgetHost extends AppWidgetHost {
+class LauncherAppWidgetHost extends AppWidgetHost {
+    @NonNull
+    private final ArrayList<LauncherWidgetHolder.ProviderChangedListener>
+            mProviderChangeListeners = new ArrayList<>();
 
-    private static final int FLAG_LISTENING = 1;
-    private static final int FLAG_STATE_IS_NORMAL = 1 << 1;
-    private static final int FLAG_ACTIVITY_STARTED = 1 << 2;
-    private static final int FLAG_ACTIVITY_RESUMED = 1 << 3;
-    private static final int FLAGS_SHOULD_LISTEN =
-            FLAG_STATE_IS_NORMAL | FLAG_ACTIVITY_STARTED | FLAG_ACTIVITY_RESUMED;
-    // TODO(b/191735836): Replace with ActivityOptions.KEY_SPLASH_SCREEN_STYLE when un-hidden
-    private static final String KEY_SPLASH_SCREEN_STYLE = "android.activity.splashScreenStyle";
-    // TODO(b/191735836): Replace with SplashScreen.SPLASH_SCREEN_STYLE_EMPTY when un-hidden
-    private static final int SPLASH_SCREEN_STYLE_EMPTY = 0;
-
-    public static final int APPWIDGET_HOST_ID = 1024;
-
-    private final ArrayList<ProviderChangedListener> mProviderChangeListeners = new ArrayList<>();
-    private final SparseArray<LauncherAppWidgetHostView> mViews = new SparseArray<>();
-    private final SparseArray<PendingAppWidgetHostView> mPendingViews = new SparseArray<>();
-    private final SparseArray<LauncherAppWidgetHostView> mDeferredViews = new SparseArray<>();
-    private final SparseArray<RemoteViews> mCachedRemoteViews = new SparseArray<>();
-
+    @NonNull
     private final Context mContext;
-    private int mFlags = FLAG_STATE_IS_NORMAL;
 
-    private IntConsumer mAppWidgetRemovedCallback = null;
+    @Nullable
+    private final IntConsumer mAppWidgetRemovedCallback;
 
-    /**
-     * This serves for the purpose of getting rid of the hidden API calling of InteractionHandler
-     */
-    public interface LauncherWidgetInteractionHandler {
-        /**
-         * Invoked when the user performs an interaction on the View.
-         *
-         * @param view the View with which the user interacted
-         * @param pendingIntent the base PendingIntent associated with the view
-         * @param response the response to the interaction, which knows how to fill in the
-         *                 attached PendingIntent
-         */
-        boolean onInteraction(
-                View view,
-                PendingIntent pendingIntent,
-                RemoteViews.RemoteResponse response);
-    }
+    @NonNull
+    private final LauncherWidgetHolder mHolder;
 
-    public LauncherAppWidgetHost(Context context) {
-        this(context, null);
-    }
-
-    public LauncherAppWidgetHost(Context context,
-            IntConsumer appWidgetRemovedCallback) {
+    public LauncherAppWidgetHost(@NonNull Context context,
+            @Nullable IntConsumer appWidgetRemovedCallback, @NonNull LauncherWidgetHolder holder) {
         super(context, APPWIDGET_HOST_ID);
         mContext = context;
         mAppWidgetRemovedCallback = appWidgetRemovedCallback;
-    }
-
-    @Override
-    protected LauncherAppWidgetHostView onCreateView(Context context, int appWidgetId,
-            AppWidgetProviderInfo appWidget) {
-        final LauncherAppWidgetHostView view;
-        if (mPendingViews.get(appWidgetId) != null) {
-            view = mPendingViews.get(appWidgetId);
-            mPendingViews.remove(appWidgetId);
-        } else if (mDeferredViews.get(appWidgetId) != null) {
-            // In case the widget view is deferred, we will simply return the deferred view as
-            // opposed to instantiate a new instance of LauncherAppWidgetHostView since launcher
-            // already added the former to the workspace.
-            view = mDeferredViews.get(appWidgetId);
-        } else {
-            view = new LauncherAppWidgetHostView(context);
-        }
-        mViews.put(appWidgetId, view);
-        return view;
-    }
-
-    @Override
-    public void startListening() {
-        if (WidgetsModel.GO_DISABLE_WIDGETS) {
-            return;
-        }
-        mFlags |= FLAG_LISTENING;
-        try {
-            super.startListening();
-        } catch (Exception e) {
-            if (!Utilities.isBinderSizeError(e)) {
-                throw new RuntimeException(e);
-            }
-            // We're willing to let this slide. The exception is being caused by the list of
-            // RemoteViews which is being passed back. The startListening relationship will
-            // have been established by this point, and we will end up populating the
-            // widgets upon bind anyway. See issue 14255011 for more context.
-        }
-
-        // We go in reverse order and inflate any deferred or cached widget
-        for (int i = mViews.size() - 1; i >= 0; i--) {
-            LauncherAppWidgetHostView view = mViews.valueAt(i);
-            if (view instanceof DeferredAppWidgetHostView) {
-                view.reInflate();
-            }
-            if (FeatureFlags.ENABLE_CACHED_WIDGET.get()) {
-                final int appWidgetId = mViews.keyAt(i);
-                if (view == mDeferredViews.get(appWidgetId)) {
-                    // If the widget view was deferred, we'll need to call super.createView here
-                    // to make the binder call to system process to fetch cumulative updates to this
-                    // widget, as well as setting up this view for future updates.
-                    super.createView(view.mLauncher, appWidgetId, view.getAppWidgetInfo());
-                    // At this point #onCreateView should have been called, which in turn returned
-                    // the deferred view. There's no reason to keep the reference anymore, so we
-                    // removed it here.
-                    mDeferredViews.remove(appWidgetId);
-                }
-            }
-        }
-    }
-
-    @Override
-    public void stopListening() {
-        if (WidgetsModel.GO_DISABLE_WIDGETS) {
-            return;
-        }
-        mFlags &= ~FLAG_LISTENING;
-        super.stopListening();
-    }
-
-    public boolean isListening() {
-        return (mFlags & FLAG_LISTENING) != 0;
+        mHolder = holder;
     }
 
     /**
-     * Sets or unsets a flag the can change whether the widget host should be in the listening
-     * state.
+     * Add a listener that is triggered when the providers of the widgets are changed
+     * @param listener The listener that notifies when the providers changed
      */
-    private void setShouldListenFlag(int flag, boolean on) {
-        if (on) {
-            mFlags |= flag;
-        } else {
-            mFlags &= ~flag;
-        }
-
-        final boolean listening = isListening();
-        if (!listening && (mFlags & FLAGS_SHOULD_LISTEN) == FLAGS_SHOULD_LISTEN) {
-            // Postpone starting listening until all flags are on.
-            startListening();
-        } else if (listening && (mFlags & FLAG_ACTIVITY_STARTED) == 0) {
-            // Postpone stopping listening until the activity is stopped.
-            stopListening();
-        }
+    public void addProviderChangeListener(
+            @NonNull LauncherWidgetHolder.ProviderChangedListener listener) {
+        mProviderChangeListeners.add(listener);
     }
 
     /**
-     * Registers an "entering/leaving Normal state" event.
+     * Remove the specified listener from the host
+     * @param listener The listener that is to be removed from the host
      */
-    public void setStateIsNormal(boolean isNormal) {
-        setShouldListenFlag(FLAG_STATE_IS_NORMAL, isNormal);
-    }
-
-    /**
-     * Registers an "activity started/stopped" event.
-     */
-    public void setActivityStarted(boolean isStarted) {
-        setShouldListenFlag(FLAG_ACTIVITY_STARTED, isStarted);
-    }
-
-    /**
-     * Registers an "activity paused/resumed" event.
-     */
-    public void setActivityResumed(boolean isResumed) {
-        setShouldListenFlag(FLAG_ACTIVITY_RESUMED, isResumed);
+    public void removeProviderChangeListener(
+            LauncherWidgetHolder.ProviderChangedListener listener) {
+        mProviderChangeListeners.remove(listener);
     }
 
     @Override
-    public int allocateAppWidgetId() {
-        if (WidgetsModel.GO_DISABLE_WIDGETS) {
-            return AppWidgetManager.INVALID_APPWIDGET_ID;
-        }
-
-        return super.allocateAppWidgetId();
-    }
-
-    public void addProviderChangeListener(ProviderChangedListener callback) {
-        mProviderChangeListeners.add(callback);
-    }
-
-    public void removeProviderChangeListener(ProviderChangedListener callback) {
-        mProviderChangeListeners.remove(callback);
-    }
-
     protected void onProvidersChanged() {
         if (!mProviderChangeListeners.isEmpty()) {
-            for (ProviderChangedListener callback : new ArrayList<>(mProviderChangeListeners)) {
+            for (LauncherWidgetHolder.ProviderChangedListener callback :
+                    new ArrayList<>(mProviderChangeListeners)) {
                 callback.notifyWidgetProvidersChanged();
             }
         }
     }
 
-    public void addPendingView(int appWidgetId, PendingAppWidgetHostView view) {
-        mPendingViews.put(appWidgetId, view);
-    }
-
-    public AppWidgetHostView createView(Context context, int appWidgetId,
-            LauncherAppWidgetProviderInfo appWidget) {
-        if (appWidget.isCustomWidget()) {
-            LauncherAppWidgetHostView lahv = new LauncherAppWidgetHostView(context);
-            lahv.setAppWidget(0, appWidget);
-            CustomWidgetManager.INSTANCE.get(context).onViewCreated(lahv);
-            return lahv;
-        } else if ((mFlags & FLAG_LISTENING) == 0) {
-            // Since the launcher hasn't started listening to widget updates, we can't simply call
-            // super.createView here because the later will make a binder call to retrieve
-            // RemoteViews from system process.
-            // TODO: have launcher always listens to widget updates in background so that this
-            //  check can be removed altogether.
-            if (FeatureFlags.ENABLE_CACHED_WIDGET.get()
-                    && mCachedRemoteViews.get(appWidgetId) != null) {
-                // We've found RemoteViews from cache for this widget, so we will instantiate a
-                // widget host view and populate it with the cached RemoteViews.
-                final LauncherAppWidgetHostView view = new LauncherAppWidgetHostView(context);
-                view.setAppWidget(appWidgetId, appWidget);
-                view.updateAppWidget(mCachedRemoteViews.get(appWidgetId));
-                mDeferredViews.put(appWidgetId, view);
-                mViews.put(appWidgetId, view);
-                return view;
-            } else {
-                // When cache misses, a placeholder for the widget will be returned instead.
-                DeferredAppWidgetHostView view = new DeferredAppWidgetHostView(context);
-                view.setAppWidget(appWidgetId, appWidget);
-                mViews.put(appWidgetId, view);
-                return view;
-            }
-        } else {
-            try {
-                return super.createView(context, appWidgetId, appWidget);
-            } catch (Exception e) {
-                if (!Utilities.isBinderSizeError(e)) {
-                    throw new RuntimeException(e);
-                }
-
-                // If the exception was thrown while fetching the remote views, let the view stay.
-                // This will ensure that if the widget posts a valid update later, the view
-                // will update.
-                LauncherAppWidgetHostView view = mViews.get(appWidgetId);
-                if (view == null) {
-                    view = onCreateView(mContext, appWidgetId, appWidget);
-                }
-                view.setAppWidget(appWidgetId, appWidget);
-                view.switchToErrorView();
-                return view;
-            }
-        }
+    @Override
+    @NonNull
+    public LauncherAppWidgetHostView onCreateView(Context context, int appWidgetId,
+            AppWidgetProviderInfo appWidget) {
+        return mHolder.onCreateView(context, appWidgetId, appWidget);
     }
 
     /**
      * Called when the AppWidget provider for a AppWidget has been upgraded to a new apk.
      */
     @Override
-    protected void onProviderChanged(int appWidgetId, AppWidgetProviderInfo appWidget) {
+    protected void onProviderChanged(int appWidgetId, @NonNull AppWidgetProviderInfo appWidget) {
         LauncherAppWidgetProviderInfo info = LauncherAppWidgetProviderInfo.fromProviderInfo(
                 mContext, appWidget);
         super.onProviderChanged(appWidgetId, info);
@@ -324,6 +110,7 @@
      *
      * @param appWidgetId TODO: make this override when SDK is updated
      */
+    @Override
     public void onAppWidgetRemoved(int appWidgetId) {
         if (mAppWidgetRemovedCallback == null) {
             return;
@@ -331,92 +118,12 @@
         mAppWidgetRemovedCallback.accept(appWidgetId);
     }
 
-    @Override
-    public void deleteAppWidgetId(int appWidgetId) {
-        super.deleteAppWidgetId(appWidgetId);
-        mViews.remove(appWidgetId);
-    }
-
+    /**
+     * The same as super.clearViews(), except with the scope exposed
+     */
     @Override
     public void clearViews() {
         super.clearViews();
-        if (FeatureFlags.ENABLE_CACHED_WIDGET.get()) {
-            // First, we clear any previously cached content from existing widgets
-            mCachedRemoteViews.clear();
-            mDeferredViews.clear();
-            // Then we proceed to cache the content from the widgets
-            for (int i = 0; i < mViews.size(); i++) {
-                final int appWidgetId = mViews.keyAt(i);
-                final LauncherAppWidgetHostView view = mViews.get(appWidgetId);
-                mCachedRemoteViews.put(appWidgetId, view.mLastRemoteViews);
-            }
-        }
-        mViews.clear();
     }
 
-    public void startBindFlow(BaseActivity activity,
-            int appWidgetId, AppWidgetProviderInfo info, int requestCode) {
-
-        if (WidgetsModel.GO_DISABLE_WIDGETS) {
-            sendActionCancelled(activity, requestCode);
-            return;
-        }
-
-        Intent intent = new Intent(AppWidgetManager.ACTION_APPWIDGET_BIND)
-                .putExtra(AppWidgetManager.EXTRA_APPWIDGET_ID, appWidgetId)
-                .putExtra(AppWidgetManager.EXTRA_APPWIDGET_PROVIDER, info.provider)
-                .putExtra(AppWidgetManager.EXTRA_APPWIDGET_PROVIDER_PROFILE, info.getProfile());
-        // TODO: we need to make sure that this accounts for the options bundle.
-        // intent.putExtra(AppWidgetManager.EXTRA_APPWIDGET_OPTIONS, options);
-        activity.startActivityForResult(intent, requestCode);
-    }
-
-    /**
-     * Launches an app widget's configuration activity.
-     * @param activity The activity from which to launch the configuration activity
-     * @param widgetId The id of the bound app widget to be configured
-     * @param requestCode An optional request code to be returned with the result
-     */
-    public void startConfigActivity(BaseDraggingActivity activity, int widgetId, int requestCode) {
-        if (WidgetsModel.GO_DISABLE_WIDGETS) {
-            sendActionCancelled(activity, requestCode);
-            return;
-        }
-
-        try {
-            TestLogging.recordEvent(TestProtocol.SEQUENCE_MAIN, "start: startConfigActivity");
-            startAppWidgetConfigureActivityForResult(activity, widgetId, 0, requestCode,
-                    getConfigurationActivityOptions(activity, widgetId));
-        } catch (ActivityNotFoundException | SecurityException e) {
-            Toast.makeText(activity, R.string.activity_not_found, Toast.LENGTH_SHORT).show();
-            sendActionCancelled(activity, requestCode);
-        }
-    }
-
-    /**
-     * Returns an {@link android.app.ActivityOptions} bundle from the {code activity} for launching
-     * the configuration of the {@code widgetId} app widget, or null of options cannot be produced.
-     */
-    @Nullable
-    private Bundle getConfigurationActivityOptions(BaseDraggingActivity activity, int widgetId) {
-        LauncherAppWidgetHostView view = mViews.get(widgetId);
-        if (view == null) return null;
-        Object tag = view.getTag();
-        if (!(tag instanceof ItemInfo)) return null;
-        Bundle bundle = activity.getActivityLaunchOptions(view, (ItemInfo) tag).toBundle();
-        bundle.putInt(KEY_SPLASH_SCREEN_STYLE, SPLASH_SCREEN_STYLE_EMPTY);
-        return bundle;
-    }
-
-    private void sendActionCancelled(final BaseActivity activity, final int requestCode) {
-        new Handler().post(() -> activity.onActivityResult(requestCode, RESULT_CANCELED, null));
-    }
-
-    /**
-     * Listener for getting notifications on provider changes.
-     */
-    public interface ProviderChangedListener {
-
-        void notifyWidgetProvidersChanged();
-    }
 }
diff --git a/src/com/android/launcher3/widget/LauncherWidgetHolder.java b/src/com/android/launcher3/widget/LauncherWidgetHolder.java
new file mode 100644
index 0000000..5497729
--- /dev/null
+++ b/src/com/android/launcher3/widget/LauncherWidgetHolder.java
@@ -0,0 +1,508 @@
+/**
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.android.launcher3.widget;
+
+import static android.app.Activity.RESULT_CANCELED;
+
+import static com.android.launcher3.util.Executors.MAIN_EXECUTOR;
+
+import android.app.PendingIntent;
+import android.appwidget.AppWidgetHost;
+import android.appwidget.AppWidgetHostView;
+import android.appwidget.AppWidgetManager;
+import android.appwidget.AppWidgetProviderInfo;
+import android.content.ActivityNotFoundException;
+import android.content.Context;
+import android.content.Intent;
+import android.os.Bundle;
+import android.util.SparseArray;
+import android.view.View;
+import android.widget.RemoteViews;
+import android.widget.Toast;
+
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+
+import com.android.launcher3.BaseActivity;
+import com.android.launcher3.BaseDraggingActivity;
+import com.android.launcher3.R;
+import com.android.launcher3.Utilities;
+import com.android.launcher3.config.FeatureFlags;
+import com.android.launcher3.model.WidgetsModel;
+import com.android.launcher3.model.data.ItemInfo;
+import com.android.launcher3.testing.TestLogging;
+import com.android.launcher3.testing.shared.TestProtocol;
+import com.android.launcher3.uioverrides.ApiWrapper;
+import com.android.launcher3.widget.custom.CustomWidgetManager;
+
+import java.util.function.IntConsumer;
+
+/**
+ * A wrapper for LauncherAppWidgetHost. This class is created so the AppWidgetHost could run in
+ * background.
+ */
+public class LauncherWidgetHolder {
+    public static final int APPWIDGET_HOST_ID = 1024;
+
+    private static final int FLAG_LISTENING = 1;
+    private static final int FLAG_STATE_IS_NORMAL = 1 << 1;
+    private static final int FLAG_ACTIVITY_STARTED = 1 << 2;
+    private static final int FLAG_ACTIVITY_RESUMED = 1 << 3;
+    private static final int FLAGS_SHOULD_LISTEN =
+            FLAG_STATE_IS_NORMAL | FLAG_ACTIVITY_STARTED | FLAG_ACTIVITY_RESUMED;
+
+    @NonNull
+    private final Context mContext;
+
+    @NonNull
+    private final AppWidgetHost mWidgetHost;
+
+    @NonNull
+    private final SparseArray<LauncherAppWidgetHostView> mViews = new SparseArray<>();
+    @NonNull
+    private final SparseArray<PendingAppWidgetHostView> mPendingViews = new SparseArray<>();
+    @NonNull
+    private final SparseArray<LauncherAppWidgetHostView> mDeferredViews = new SparseArray<>();
+    @NonNull
+    private final SparseArray<RemoteViews> mCachedRemoteViews = new SparseArray<>();
+
+    private int mFlags = FLAG_STATE_IS_NORMAL;
+
+    // TODO(b/191735836): Replace with ActivityOptions.KEY_SPLASH_SCREEN_STYLE when un-hidden
+    private static final String KEY_SPLASH_SCREEN_STYLE = "android.activity.splashScreenStyle";
+    // TODO(b/191735836): Replace with SplashScreen.SPLASH_SCREEN_STYLE_EMPTY when un-hidden
+    private static final int SPLASH_SCREEN_STYLE_EMPTY = 0;
+
+    public LauncherWidgetHolder(@NonNull Context context) {
+        this(context, null);
+    }
+
+    public LauncherWidgetHolder(@NonNull Context context,
+            @Nullable IntConsumer appWidgetRemovedCallback) {
+        mContext = context;
+        mWidgetHost = createHost(context, appWidgetRemovedCallback);
+    }
+
+    protected AppWidgetHost createHost(
+            Context context, @Nullable IntConsumer appWidgetRemovedCallback) {
+        return new LauncherAppWidgetHost(context, appWidgetRemovedCallback, this);
+    }
+
+    /**
+     * Starts listening to the widget updates from the server side
+     */
+    public void startListening() {
+        if (WidgetsModel.GO_DISABLE_WIDGETS) {
+            return;
+        }
+        setListeningFlag(true);
+        try {
+            mWidgetHost.startListening();
+        } catch (Exception e) {
+            if (!Utilities.isBinderSizeError(e)) {
+                throw new RuntimeException(e);
+            }
+            // We're willing to let this slide. The exception is being caused by the list of
+            // RemoteViews which is being passed back. The startListening relationship will
+            // have been established by this point, and we will end up populating the
+            // widgets upon bind anyway. See issue 14255011 for more context.
+        }
+
+        // We go in reverse order and inflate any deferred or cached widget
+        for (int i = mViews.size() - 1; i >= 0; i--) {
+            LauncherAppWidgetHostView view = mViews.valueAt(i);
+            if (view instanceof DeferredAppWidgetHostView) {
+                view.reInflate();
+            }
+            if (FeatureFlags.ENABLE_CACHED_WIDGET.get()) {
+                final int appWidgetId = mViews.keyAt(i);
+                if (view == mDeferredViews.get(appWidgetId)) {
+                    // If the widget view was deferred, we'll need to call super.createView here
+                    // to make the binder call to system process to fetch cumulative updates to this
+                    // widget, as well as setting up this view for future updates.
+                    mWidgetHost.createView(view.mLauncher, appWidgetId,
+                            view.getAppWidgetInfo());
+                    // At this point #onCreateView should have been called, which in turn returned
+                    // the deferred view. There's no reason to keep the reference anymore, so we
+                    // removed it here.
+                    mDeferredViews.remove(appWidgetId);
+                }
+            }
+        }
+    }
+
+    /**
+     * Registers an "activity started/stopped" event.
+     */
+    public void setActivityStarted(boolean isStarted) {
+        setShouldListenFlag(FLAG_ACTIVITY_STARTED, isStarted);
+    }
+
+    /**
+     * Registers an "activity paused/resumed" event.
+     */
+    public void setActivityResumed(boolean isResumed) {
+        setShouldListenFlag(FLAG_ACTIVITY_RESUMED, isResumed);
+    }
+
+    /**
+     * Set the NORMAL state of the widget host
+     * @param isNormal True if setting the host to be in normal state, false otherwise
+     */
+    public void setStateIsNormal(boolean isNormal) {
+        setShouldListenFlag(FLAG_STATE_IS_NORMAL, isNormal);
+    }
+
+    /**
+     * Delete the specified app widget from the host
+     * @param appWidgetId The ID of the app widget to be deleted
+     */
+    public void deleteAppWidgetId(int appWidgetId) {
+        mWidgetHost.deleteAppWidgetId(appWidgetId);
+        mViews.remove(appWidgetId);
+    }
+
+    /**
+     * Add the pending view to the host for complete configuration in further steps
+     * @param appWidgetId The ID of the specified app widget
+     * @param view The {@link PendingAppWidgetHostView} of the app widget
+     */
+    public void addPendingView(int appWidgetId, @NonNull PendingAppWidgetHostView view) {
+        mPendingViews.put(appWidgetId, view);
+    }
+
+    /**
+     * @param appWidgetId The app widget id of the specified widget
+     * @return The {@link PendingAppWidgetHostView} of the widget if it exists, null otherwise
+     */
+    @Nullable
+    protected PendingAppWidgetHostView getPendingView(int appWidgetId) {
+        return mPendingViews.get(appWidgetId);
+    }
+
+    protected void removePendingView(int appWidgetId) {
+        mPendingViews.remove(appWidgetId);
+    }
+
+    /**
+     * Called when the launcher is destroyed
+     */
+    public void destroy() {
+        // No-op
+    }
+
+    /**
+     * @return The allocated app widget id if allocation is successful, returns -1 otherwise
+     */
+    public int allocateAppWidgetId() {
+        if (WidgetsModel.GO_DISABLE_WIDGETS) {
+            return AppWidgetManager.INVALID_APPWIDGET_ID;
+        }
+
+        return mWidgetHost.allocateAppWidgetId();
+    }
+
+    /**
+     * Add a listener that is triggered when the providers of the widgets are changed
+     * @param listener The listener that notifies when the providers changed
+     */
+    public void addProviderChangeListener(@NonNull ProviderChangedListener listener) {
+        LauncherAppWidgetHost tempHost = (LauncherAppWidgetHost) mWidgetHost;
+        tempHost.addProviderChangeListener(listener);
+    }
+
+    /**
+     * Remove the specified listener from the host
+     * @param listener The listener that is to be removed from the host
+     */
+    public void removeProviderChangeListener(ProviderChangedListener listener) {
+        LauncherAppWidgetHost tempHost = (LauncherAppWidgetHost) mWidgetHost;
+        tempHost.removeProviderChangeListener(listener);
+    }
+
+    /**
+     * Starts the configuration activity for the widget
+     * @param activity The activity in which to start the configuration page
+     * @param widgetId The ID of the widget
+     * @param requestCode The request code
+     */
+    public void startConfigActivity(@NonNull BaseDraggingActivity activity, int widgetId,
+            int requestCode) {
+        if (WidgetsModel.GO_DISABLE_WIDGETS) {
+            sendActionCancelled(activity, requestCode);
+            return;
+        }
+
+        try {
+            TestLogging.recordEvent(TestProtocol.SEQUENCE_MAIN, "start: startConfigActivity");
+            mWidgetHost.startAppWidgetConfigureActivityForResult(activity, widgetId, 0, requestCode,
+                    getConfigurationActivityOptions(activity, widgetId));
+        } catch (ActivityNotFoundException | SecurityException e) {
+            Toast.makeText(activity, R.string.activity_not_found, Toast.LENGTH_SHORT).show();
+            sendActionCancelled(activity, requestCode);
+        }
+    }
+
+    private void sendActionCancelled(final BaseActivity activity, final int requestCode) {
+        MAIN_EXECUTOR.execute(
+                () -> activity.onActivityResult(requestCode, RESULT_CANCELED, null));
+    }
+
+    /**
+     * Returns an {@link android.app.ActivityOptions} bundle from the {code activity} for launching
+     * the configuration of the {@code widgetId} app widget, or null of options cannot be produced.
+     */
+    @Nullable
+    protected Bundle getConfigurationActivityOptions(@NonNull BaseDraggingActivity activity,
+            int widgetId) {
+        LauncherAppWidgetHostView view = mViews.get(widgetId);
+        if (view == null) return null;
+        Object tag = view.getTag();
+        if (!(tag instanceof ItemInfo)) return null;
+        Bundle bundle = activity.getActivityLaunchOptions(view, (ItemInfo) tag).toBundle();
+        bundle.putInt(KEY_SPLASH_SCREEN_STYLE, SPLASH_SCREEN_STYLE_EMPTY);
+        return bundle;
+    }
+
+    /**
+     * Starts the binding flow for the widget
+     * @param activity The activity for which to bind the widget
+     * @param appWidgetId The ID of the widget
+     * @param info The {@link AppWidgetProviderInfo} of the widget
+     * @param requestCode The request code
+     */
+    public void startBindFlow(@NonNull BaseActivity activity,
+            int appWidgetId, @NonNull AppWidgetProviderInfo info, int requestCode) {
+        if (WidgetsModel.GO_DISABLE_WIDGETS) {
+            sendActionCancelled(activity, requestCode);
+            return;
+        }
+
+        Intent intent = new Intent(AppWidgetManager.ACTION_APPWIDGET_BIND)
+                .putExtra(AppWidgetManager.EXTRA_APPWIDGET_ID, appWidgetId)
+                .putExtra(AppWidgetManager.EXTRA_APPWIDGET_PROVIDER, info.provider)
+                .putExtra(AppWidgetManager.EXTRA_APPWIDGET_PROVIDER_PROFILE, info.getProfile());
+        // TODO: we need to make sure that this accounts for the options bundle.
+        // intent.putExtra(AppWidgetManager.EXTRA_APPWIDGET_OPTIONS, options);
+        activity.startActivityForResult(intent, requestCode);
+    }
+
+    /**
+     * Stop the host from listening to the widget updates
+     */
+    public void stopListening() {
+        if (WidgetsModel.GO_DISABLE_WIDGETS) {
+            return;
+        }
+
+        mWidgetHost.stopListening();
+        setListeningFlag(false);
+    }
+
+    protected void setListeningFlag(final boolean isListening) {
+        if (isListening) {
+            mFlags |= FLAG_LISTENING;
+            return;
+        }
+        mFlags &= ~FLAG_LISTENING;
+    }
+
+    /**
+     * Set the interaction handler for the widget host
+     * @param handler The interaction handler
+     */
+    public void setInteractionHandler(
+            @Nullable LauncherWidgetInteractionHandler handler) {
+        ApiWrapper.setHostInteractionHandler(mWidgetHost, handler);
+    }
+
+    /**
+     * Delete the host
+     */
+    public void deleteHost() {
+        mWidgetHost.deleteHost();
+    }
+
+    /**
+     * @return The app widget ids
+     */
+    @NonNull
+    public int[] getAppWidgetIds() {
+        return mWidgetHost.getAppWidgetIds();
+    }
+
+    /**
+     * Create a view for the specified app widget
+     * @param context The activity context for which the view is created
+     * @param appWidgetId The ID of the widget
+     * @param appWidget The {@link LauncherAppWidgetProviderInfo} of the widget
+     * @return A view for the widget
+     */
+    @NonNull
+    public AppWidgetHostView createView(@NonNull Context context, int appWidgetId,
+            @NonNull LauncherAppWidgetProviderInfo appWidget) {
+        if (appWidget.isCustomWidget()) {
+            LauncherAppWidgetHostView lahv = new LauncherAppWidgetHostView(context);
+            lahv.setAppWidget(0, appWidget);
+            CustomWidgetManager.INSTANCE.get(context).onViewCreated(lahv);
+            return lahv;
+        } else if ((mFlags & FLAG_LISTENING) == 0) {
+            // Since the launcher hasn't started listening to widget updates, we can't simply call
+            // super.createView here because the later will make a binder call to retrieve
+            // RemoteViews from system process.
+            // TODO: have launcher always listens to widget updates in background so that this
+            //  check can be removed altogether.
+            if (FeatureFlags.ENABLE_CACHED_WIDGET.get()
+                    && mCachedRemoteViews.get(appWidgetId) != null) {
+                // We've found RemoteViews from cache for this widget, so we will instantiate a
+                // widget host view and populate it with the cached RemoteViews.
+                final LauncherAppWidgetHostView view = new LauncherAppWidgetHostView(context);
+                view.setAppWidget(appWidgetId, appWidget);
+                view.updateAppWidget(mCachedRemoteViews.get(appWidgetId));
+                mDeferredViews.put(appWidgetId, view);
+                mViews.put(appWidgetId, view);
+                return view;
+            } else {
+                // When cache misses, a placeholder for the widget will be returned instead.
+                DeferredAppWidgetHostView view = new DeferredAppWidgetHostView(context);
+                view.setAppWidget(appWidgetId, appWidget);
+                mViews.put(appWidgetId, view);
+                return view;
+            }
+        } else {
+            try {
+                return mWidgetHost.createView(context, appWidgetId, appWidget);
+            } catch (Exception e) {
+                if (!Utilities.isBinderSizeError(e)) {
+                    throw new RuntimeException(e);
+                }
+
+                // If the exception was thrown while fetching the remote views, let the view stay.
+                // This will ensure that if the widget posts a valid update later, the view
+                // will update.
+                LauncherAppWidgetHostView view = mViews.get(appWidgetId);
+                if (view == null) {
+                    view = onCreateView(mContext, appWidgetId, appWidget);
+                }
+                view.setAppWidget(appWidgetId, appWidget);
+                view.switchToErrorView();
+                return view;
+            }
+        }
+    }
+
+    /**
+     * Listener for getting notifications on provider changes.
+     */
+    public interface ProviderChangedListener {
+        /**
+         * Notify the listener that the providers have changed
+         */
+        void notifyWidgetProvidersChanged();
+    }
+
+    /**
+     * Called to return a proper view when creating a view
+     * @param context The context for which the widget view is created
+     * @param appWidgetId The ID of the added widget
+     * @param appWidget The provider info of the added widget
+     * @return A view for the specified app widget
+     */
+    @NonNull
+    public LauncherAppWidgetHostView onCreateView(Context context, int appWidgetId,
+            AppWidgetProviderInfo appWidget) {
+        final LauncherAppWidgetHostView view;
+        if (getPendingView(appWidgetId) != null) {
+            view = getPendingView(appWidgetId);
+            removePendingView(appWidgetId);
+        } else if (mDeferredViews.get(appWidgetId) != null) {
+            // In case the widget view is deferred, we will simply return the deferred view as
+            // opposed to instantiate a new instance of LauncherAppWidgetHostView since launcher
+            // already added the former to the workspace.
+            view = mDeferredViews.get(appWidgetId);
+        } else {
+            view = new LauncherAppWidgetHostView(context);
+        }
+        mViews.put(appWidgetId, view);
+        return view;
+    }
+
+    /**
+     * Clears all the views from the host
+     */
+    public void clearViews() {
+        LauncherAppWidgetHost tempHost = (LauncherAppWidgetHost) mWidgetHost;
+        tempHost.clearViews();
+        if (FeatureFlags.ENABLE_CACHED_WIDGET.get()) {
+            // First, we clear any previously cached content from existing widgets
+            mCachedRemoteViews.clear();
+            mDeferredViews.clear();
+            // Then we proceed to cache the content from the widgets
+            for (int i = 0; i < mViews.size(); i++) {
+                final int appWidgetId = mViews.keyAt(i);
+                final LauncherAppWidgetHostView view = mViews.get(appWidgetId);
+                mCachedRemoteViews.put(appWidgetId, view.mLastRemoteViews);
+            }
+        }
+        mViews.clear();
+    }
+
+    /**
+     * @return True if the host is listening to the updates, false otherwise
+     */
+    public boolean isListening() {
+        return (mFlags & FLAG_LISTENING) != 0;
+    }
+
+    /**
+     * Sets or unsets a flag the can change whether the widget host should be in the listening
+     * state.
+     */
+    private void setShouldListenFlag(int flag, boolean on) {
+        if (on) {
+            mFlags |= flag;
+        } else {
+            mFlags &= ~flag;
+        }
+
+        final boolean listening = isListening();
+        if (!listening && (mFlags & FLAGS_SHOULD_LISTEN) == FLAGS_SHOULD_LISTEN) {
+            // Postpone starting listening until all flags are on.
+            startListening();
+        } else if (listening && (mFlags & FLAG_ACTIVITY_STARTED) == 0) {
+            // Postpone stopping listening until the activity is stopped.
+            stopListening();
+        }
+    }
+
+    /**
+     * Set as a substitution for the hidden interaction handler in RemoteViews
+     */
+    public interface LauncherWidgetInteractionHandler {
+        /**
+         * Invoked when the user performs an interaction on the View.
+         *
+         * @param view the View with which the user interacted
+         * @param pendingIntent the base PendingIntent associated with the view
+         * @param response the response to the interaction, which knows how to fill in the
+         *                 attached PendingIntent
+         */
+        boolean onInteraction(
+                View view,
+                PendingIntent pendingIntent,
+                RemoteViews.RemoteResponse response);
+    }
+}
diff --git a/src/com/android/launcher3/widget/picker/WidgetsFullSheet.java b/src/com/android/launcher3/widget/picker/WidgetsFullSheet.java
index 21b2647..72ec629 100644
--- a/src/com/android/launcher3/widget/picker/WidgetsFullSheet.java
+++ b/src/com/android/launcher3/widget/picker/WidgetsFullSheet.java
@@ -65,7 +65,7 @@
 import com.android.launcher3.views.StickyHeaderLayout;
 import com.android.launcher3.views.WidgetsEduView;
 import com.android.launcher3.widget.BaseWidgetSheet;
-import com.android.launcher3.widget.LauncherAppWidgetHost.ProviderChangedListener;
+import com.android.launcher3.widget.LauncherWidgetHolder.ProviderChangedListener;
 import com.android.launcher3.widget.model.WidgetsListBaseEntry;
 import com.android.launcher3.widget.picker.search.SearchModeListener;
 import com.android.launcher3.widget.picker.search.WidgetsSearchBar;
diff --git a/src_shortcuts_overrides/com/android/launcher3/model/WidgetsModel.java b/src_shortcuts_overrides/com/android/launcher3/model/WidgetsModel.java
index 13ad7a4..702f343 100644
--- a/src_shortcuts_overrides/com/android/launcher3/model/WidgetsModel.java
+++ b/src_shortcuts_overrides/com/android/launcher3/model/WidgetsModel.java
@@ -62,8 +62,6 @@
 
     // True is the widget support is disabled.
     public static final boolean GO_DISABLE_WIDGETS = false;
-    // True is the shortcut support is disabled.
-    public static final boolean GO_DISABLE_SHORTCUTS = false;
     public static final boolean GO_DISABLE_NOTIFICATION_DOTS = false;
 
     private static final String TAG = "WidgetsModel";
diff --git a/src_ui_overrides/com/android/launcher3/uioverrides/ApiWrapper.java b/src_ui_overrides/com/android/launcher3/uioverrides/ApiWrapper.java
index ea0f5a3..02f4ece 100644
--- a/src_ui_overrides/com/android/launcher3/uioverrides/ApiWrapper.java
+++ b/src_ui_overrides/com/android/launcher3/uioverrides/ApiWrapper.java
@@ -24,7 +24,7 @@
 import androidx.annotation.Nullable;
 
 import com.android.launcher3.Utilities;
-import com.android.launcher3.widget.LauncherAppWidgetHost;
+import com.android.launcher3.widget.LauncherWidgetHolder;
 
 /**
  * A wrapper for the hidden API calls
@@ -43,7 +43,7 @@
      * @param handler InteractionHandler for the views in the host
      */
     public static void setHostInteractionHandler(@NonNull AppWidgetHost host,
-            @Nullable LauncherAppWidgetHost.LauncherWidgetInteractionHandler handler) {
+            @Nullable LauncherWidgetHolder.LauncherWidgetInteractionHandler handler) {
         // No-op
     }
 }
diff --git a/tests/src/com/android/launcher3/search/StringMatcherUtilityTest.java b/tests/src/com/android/launcher3/search/StringMatcherUtilityTest.java
index 413f404..3b53255 100644
--- a/tests/src/com/android/launcher3/search/StringMatcherUtilityTest.java
+++ b/tests/src/com/android/launcher3/search/StringMatcherUtilityTest.java
@@ -24,6 +24,7 @@
 import androidx.test.runner.AndroidJUnit4;
 
 import com.android.launcher3.search.StringMatcherUtility.StringMatcher;
+import com.android.launcher3.search.StringMatcherUtility.StringMatcherSpace;
 
 import org.junit.Test;
 import org.junit.runner.RunWith;
@@ -34,11 +35,12 @@
 @SmallTest
 @RunWith(AndroidJUnit4.class)
 public class StringMatcherUtilityTest {
-    private static final StringMatcher MATCHER =
-            StringMatcher.getInstance();
+    private static final StringMatcher MATCHER = StringMatcher.getInstance();
+    private static final StringMatcherSpace MATCHER_SPACE = StringMatcherSpace.getInstance();
 
     @Test
     public void testMatches() {
+        assertTrue(matches("white", "white cow", MATCHER));
         assertTrue(matches("white ", "white cow", MATCHER));
         assertTrue(matches("white c", "white cow", MATCHER));
         assertTrue(matches("cow", "white cow", MATCHER));
@@ -93,4 +95,47 @@
         assertFalse(matches("ㄷ", "로드라이브", MATCHER));
         assertFalse(matches("åç", "abc", MATCHER));
     }
+
+    @Test
+    public void testMatchesWithSpaceBreakOnly() {
+        assertTrue(matches("white", "white cow", MATCHER_SPACE));
+        assertTrue(matches("white ", "white cow", MATCHER_SPACE));
+        assertTrue(matches("white c", "white cow", MATCHER_SPACE));
+        assertTrue(matches("cow", "white cow", MATCHER_SPACE));
+        assertTrue(matches("cow", "whitecow cow", MATCHER_SPACE));
+
+        assertFalse(matches("cow", "whiteCow", MATCHER_SPACE));
+        assertFalse(matches("cow", "whiteCOW", MATCHER_SPACE));
+        assertFalse(matches("cow", "whitecowCOW", MATCHER_SPACE));
+        assertFalse(matches("cow", "white2cow", MATCHER_SPACE));
+        assertFalse(matches("cow", "whitecow", MATCHER_SPACE));
+        assertFalse(matches("cow", "whitEcow", MATCHER_SPACE));
+        assertFalse(matches("cow", "whitecowCow", MATCHER_SPACE));
+        assertFalse(matches("cow", "whitecowcow", MATCHER_SPACE));
+        assertFalse(matches("cow", "whit ecowcow", MATCHER_SPACE));
+
+        assertFalse(matches("dog", "cats&dogs", MATCHER_SPACE));
+        assertFalse(matches("dog", "cats&Dogs", MATCHER_SPACE));
+        assertFalse(matches("&", "cats&Dogs", MATCHER_SPACE));
+
+        assertFalse(matches("43", "2+43", MATCHER_SPACE));
+        assertFalse(matches("3", "2+43", MATCHER_SPACE));
+
+        assertTrue(matches("q", "Q", MATCHER_SPACE));
+        assertTrue(matches("q", "  Q", MATCHER_SPACE));
+
+        // match lower case words
+        assertTrue(matches("e", "elephant", MATCHER_SPACE));
+        assertTrue(matches("eL", "Elephant", MATCHER_SPACE));
+
+        assertTrue(matches("电", "电子邮件", MATCHER_SPACE));
+        assertTrue(matches("电子", "电子邮件", MATCHER_SPACE));
+        assertTrue(matches("子", "电子邮件", MATCHER_SPACE));
+        assertTrue(matches("邮件", "电子邮件", MATCHER_SPACE));
+
+        assertFalse(matches("ba", "Bot", MATCHER_SPACE));
+        assertFalse(matches("ba", "bot", MATCHER_SPACE));
+        assertFalse(matches("phant", "elephant", MATCHER_SPACE));
+        assertFalse(matches("elephants", "elephant", MATCHER_SPACE));
+    }
 }
diff --git a/tests/src/com/android/launcher3/util/WidgetUtils.java b/tests/src/com/android/launcher3/util/WidgetUtils.java
index 6fc8491..e514142 100644
--- a/tests/src/com/android/launcher3/util/WidgetUtils.java
+++ b/tests/src/com/android/launcher3/util/WidgetUtils.java
@@ -20,7 +20,6 @@
 
 import static com.android.launcher3.WorkspaceLayoutManager.FIRST_SCREEN_ID;
 
-import android.appwidget.AppWidgetHost;
 import android.appwidget.AppWidgetManager;
 import android.appwidget.AppWidgetProviderInfo;
 import android.content.ComponentName;
@@ -32,8 +31,8 @@
 import com.android.launcher3.LauncherSettings;
 import com.android.launcher3.model.data.ItemInfo;
 import com.android.launcher3.model.data.LauncherAppWidgetInfo;
-import com.android.launcher3.widget.LauncherAppWidgetHost;
 import com.android.launcher3.widget.LauncherAppWidgetProviderInfo;
+import com.android.launcher3.widget.LauncherWidgetHolder;
 import com.android.launcher3.widget.PendingAddWidgetInfo;
 import com.android.launcher3.widget.WidgetManagerHelper;
 
@@ -71,14 +70,19 @@
             pendingInfo.minSpanY = item.minSpanY;
             Bundle options = pendingInfo.getDefaultSizeOptions(targetContext);
 
-            AppWidgetHost host = new LauncherAppWidgetHost(targetContext);
-            int widgetId = host.allocateAppWidgetId();
-            if (!new WidgetManagerHelper(targetContext)
-                    .bindAppWidgetIdIfAllowed(widgetId, info, options)) {
-                host.deleteAppWidgetId(widgetId);
-                throw new IllegalArgumentException("Unable to bind widget id");
+            LauncherWidgetHolder holder = new LauncherWidgetHolder(targetContext);
+            try {
+                int widgetId = holder.allocateAppWidgetId();
+                if (!new WidgetManagerHelper(targetContext)
+                        .bindAppWidgetIdIfAllowed(widgetId, info, options)) {
+                    holder.deleteAppWidgetId(widgetId);
+                    throw new IllegalArgumentException("Unable to bind widget id");
+                }
+                item.appWidgetId = widgetId;
+            } finally {
+                // Necessary to destroy the holder to free up possible activity context
+                holder.destroy();
             }
-            item.appWidgetId = widgetId;
         }
         return item;
     }