diff --git a/go/src/com/android/launcher3/shortcuts/DeepShortcutManager.java b/go/src/com/android/launcher3/shortcuts/DeepShortcutManager.java
deleted file mode 100644
index 42b1194..0000000
--- a/go/src/com/android/launcher3/shortcuts/DeepShortcutManager.java
+++ /dev/null
@@ -1,119 +0,0 @@
-/*
- * Copyright (C) 2018 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.shortcuts;
-
-import android.content.ComponentName;
-import android.content.Context;
-import android.content.pm.ShortcutInfo;
-import android.graphics.Rect;
-import android.graphics.drawable.Drawable;
-import android.os.Bundle;
-import android.os.UserHandle;
-
-import com.android.launcher3.ItemInfo;
-import com.android.launcher3.notification.NotificationKeyData;
-
-import java.util.ArrayList;
-import java.util.List;
-
-/**
- * Performs operations related to deep shortcuts, such as querying for them, pinning them, etc.
- */
-public class DeepShortcutManager {
-
-    private static final DeepShortcutManager sInstance = new DeepShortcutManager();
-
-    public static DeepShortcutManager getInstance(Context context) {
-        return sInstance;
-    }
-
-    private final QueryResult mFailure = new QueryResult();
-
-    private DeepShortcutManager() { }
-
-    /**
-     * Queries for the shortcuts with the package name and provided ids.
-     *
-     * This method is intended to get the full details for shortcuts when they are added or updated,
-     * because we only get "key" fields in onShortcutsChanged().
-     */
-    public QueryResult queryForFullDetails(String packageName,
-            List<String> shortcutIds, UserHandle user) {
-        return mFailure;
-    }
-
-    /**
-     * Gets all the manifest and dynamic shortcuts associated with the given package and user,
-     * to be displayed in the shortcuts container on long press.
-     */
-    public QueryResult queryForShortcutsContainer(ComponentName activity,
-            UserHandle user) {
-        return mFailure;
-    }
-
-    /**
-     * Removes the given shortcut from the current list of pinned shortcuts.
-     * (Runs on background thread)
-     */
-    public void unpinShortcut(final ShortcutKey key) {
-    }
-
-    /**
-     * Adds the given shortcut to the current list of pinned shortcuts.
-     * (Runs on background thread)
-     */
-    public void pinShortcut(final ShortcutKey key) {
-    }
-
-    public void startShortcut(String packageName, String id, Rect sourceBounds,
-            Bundle startActivityOptions, UserHandle user) {
-    }
-
-    public Drawable getShortcutIconDrawable(ShortcutInfo shortcutInfo, int density) {
-        return null;
-    }
-
-    /**
-     * Returns the id's of pinned shortcuts associated with the given package and user.
-     *
-     * If packageName is null, returns all pinned shortcuts regardless of package.
-     */
-    public QueryResult queryForPinnedShortcuts(String packageName, UserHandle user) {
-        return mFailure;
-    }
-
-    public QueryResult queryForPinnedShortcuts(String packageName,
-            List<String> shortcutIds, UserHandle user) {
-        return mFailure;
-    }
-
-    public QueryResult queryForAllShortcuts(UserHandle user) {
-        return mFailure;
-    }
-
-    public boolean hasHostPermission() {
-        return false;
-    }
-
-
-    public static class QueryResult extends ArrayList<ShortcutInfo> {
-
-        public boolean wasSuccess() {
-            return true;
-        }
-    }
-}
diff --git a/iconloaderlib/src/com/android/launcher3/icons/cache/BaseIconCache.java b/iconloaderlib/src/com/android/launcher3/icons/cache/BaseIconCache.java
index 6f63d88..e807791 100644
--- a/iconloaderlib/src/com/android/launcher3/icons/cache/BaseIconCache.java
+++ b/iconloaderlib/src/com/android/launcher3/icons/cache/BaseIconCache.java
@@ -45,6 +45,7 @@
 
 import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
+import androidx.annotation.VisibleForTesting;
 
 import com.android.launcher3.icons.BaseIconFactory;
 import com.android.launcher3.icons.BitmapInfo;
@@ -250,9 +251,9 @@
      * @param replaceExisting if true, it will recreate the bitmap even if it already exists in
      *                        the memory. This is useful then the previous bitmap was created using
      *                        old data.
-     * package private
      */
-    protected synchronized <T> void addIconToDBAndMemCache(T object, CachingLogic<T> cachingLogic,
+    @VisibleForTesting
+    public synchronized <T> void addIconToDBAndMemCache(T object, CachingLogic<T> cachingLogic,
             PackageInfo info, long userSerial, boolean replaceExisting) {
         UserHandle user = cachingLogic.getUser(object);
         ComponentName componentName = cachingLogic.getComponent(object);
diff --git a/protos/launcher_log.proto b/protos/launcher_log.proto
index 8f413dc..0560d68 100644
--- a/protos/launcher_log.proto
+++ b/protos/launcher_log.proto
@@ -93,7 +93,7 @@
   TASKSWITCHER = 12; // Recents UI Container (QuickStep)
   APP = 13; // Foreground activity is another app (QuickStep)
   TIP = 14; // Onboarding texts (QuickStep)
-  SIDELOADED_LAUNCHER = 15;
+  OTHER_LAUNCHER_APP = 15;
 }
 
 // Used to define what type of control a Target would represent.
diff --git a/quickstep/recents_ui_overrides/res/drawable/predicted_icon_background.xml b/quickstep/recents_ui_overrides/res/drawable/predicted_icon_background.xml
deleted file mode 100644
index cfc6d48..0000000
--- a/quickstep/recents_ui_overrides/res/drawable/predicted_icon_background.xml
+++ /dev/null
@@ -1,8 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<inset xmlns:android="http://schemas.android.com/apk/res/android"
-    android:inset="@dimen/predicted_icon_background_inset">
-    <shape>
-        <solid android:color="?attr/folderFillColor" />
-        <corners android:radius="@dimen/predicted_icon_background_corner_radius" />
-    </shape>
-</inset>
diff --git a/quickstep/recents_ui_overrides/src/com/android/launcher3/HotseatPredictionController.java b/quickstep/recents_ui_overrides/src/com/android/launcher3/HotseatPredictionController.java
index f7e71f3..b94142a 100644
--- a/quickstep/recents_ui_overrides/src/com/android/launcher3/HotseatPredictionController.java
+++ b/quickstep/recents_ui_overrides/src/com/android/launcher3/HotseatPredictionController.java
@@ -44,6 +44,7 @@
 import com.android.launcher3.icons.IconCache;
 import com.android.launcher3.popup.SystemShortcut;
 import com.android.launcher3.shortcuts.ShortcutKey;
+import com.android.launcher3.touch.ItemLongClickListener;
 import com.android.launcher3.uioverrides.PredictedAppIcon;
 import com.android.launcher3.uioverrides.QuickstepLauncher;
 import com.android.launcher3.userevent.nano.LauncherLogProto;
@@ -61,7 +62,7 @@
 public class HotseatPredictionController implements DragController.DragListener,
         View.OnAttachStateChangeListener, SystemShortcut.Factory<QuickstepLauncher>,
         InvariantDeviceProfile.OnIDPChangeListener, AllAppsStore.OnUpdateListener,
-        IconCache.ItemInfoUpdateReceiver {
+        IconCache.ItemInfoUpdateReceiver, DragSource {
 
     private static final String TAG = "PredictiveHotseat";
     private static final boolean DEBUG = false;
@@ -72,6 +73,9 @@
     private static final String APP_LOCATION_HOTSEAT = "hotseat";
     private static final String APP_LOCATION_WORKSPACE = "workspace";
 
+    private static final String BUNDLE_KEY_HOTSEAT = "hotseat_apps";
+    private static final String BUNDLE_KEY_WORKSPACE = "workspace_apps";
+
     private static final String PREDICTION_CLIENT = "hotseat";
 
     private DropTarget.DragObject mDragObject;
@@ -79,7 +83,7 @@
     private int mPredictedSpotsCount = 0;
 
     private Launcher mLauncher;
-    private Hotseat mHotseat;
+    private final Hotseat mHotseat;
 
     private List<ComponentKeyMapper> mComponentKeyMappers = new ArrayList<>();
 
@@ -87,10 +91,18 @@
 
     private AppPredictor mAppPredictor;
     private AllAppsStore mAllAppsStore;
+    private AnimatorSet mIconRemoveAnimators;
+
 
     private List<PredictedAppIcon.PredictedIconOutlineDrawing> mOutlineDrawings = new ArrayList<>();
 
-    private static HotseatPredictionController sInstance;
+    private final View.OnLongClickListener mPredictionLongClickListener = v -> {
+        if (!ItemLongClickListener.canStartDrag(mLauncher)) return false;
+        if (mLauncher.getWorkspace().isSwitchingState()) return false;
+        // Start the drag
+        mLauncher.getWorkspace().beginDragShared(v, this, new DragOptions());
+        return false;
+    };
 
     public HotseatPredictionController(Launcher launcher) {
         mLauncher = launcher;
@@ -101,7 +113,9 @@
         mHotSeatItemsCount = mLauncher.getDeviceProfile().inv.numHotseatIcons;
         launcher.getDeviceProfile().inv.addOnChangeListener(this);
         mHotseat.addOnAttachStateChangeListener(this);
-        sInstance = this;
+        if (mHotseat.isAttachedToWindow()) {
+            onViewAttachedToWindow(mHotseat);
+        }
     }
 
     @Override
@@ -125,6 +139,17 @@
         List<WorkspaceItemInfo> predictedApps = mapToWorkspaceItemInfo(mComponentKeyMappers);
         int predictionIndex = 0;
         ArrayList<WorkspaceItemInfo> newItems = new ArrayList<>();
+        // make sure predicted icon removal and filling predictions don't step on each other
+        if (mIconRemoveAnimators != null && mIconRemoveAnimators.isRunning()) {
+            mIconRemoveAnimators.addListener(new AnimationSuccessListener() {
+                @Override
+                public void onAnimationSuccess(Animator animator) {
+                    fillGapsWithPrediction(animate, callback);
+                    mIconRemoveAnimators.removeListener(this);
+                }
+            });
+            return;
+        }
         for (int rank = 0; rank < mHotSeatItemsCount; rank++) {
             View child = mHotseat.getChildAt(
                     mHotseat.getCellXFromOrder(rank),
@@ -140,12 +165,11 @@
                 }
                 continue;
             }
-
             WorkspaceItemInfo predictedItem = predictedApps.get(predictionIndex++);
             if (isPredictedIcon(child) && child.isEnabled()) {
                 PredictedAppIcon icon = (PredictedAppIcon) child;
                 icon.applyFromWorkspaceItem(predictedItem);
-                icon.finishBinding();
+                icon.finishBinding(mPredictionLongClickListener);
             } else {
                 newItems.add(predictedItem);
             }
@@ -160,7 +184,7 @@
         for (WorkspaceItemInfo item : itemsToAdd) {
             PredictedAppIcon icon = PredictedAppIcon.createIcon(mHotseat, item);
             mLauncher.getWorkspace().addInScreenFromBind(icon, item);
-            icon.finishBinding();
+            icon.finishBinding(mPredictionLongClickListener);
             if (animate) {
                 animationSet.play(ObjectAnimator.ofFloat(icon, SCALE_PROPERTY, 0.2f, 1));
             }
@@ -215,9 +239,9 @@
 
     private Bundle getAppPredictionContextExtra() {
         Bundle bundle = new Bundle();
-        bundle.putParcelableArrayList(APP_LOCATION_HOTSEAT,
+        bundle.putParcelableArrayList(BUNDLE_KEY_HOTSEAT,
                 getPinnedAppTargetsInViewGroup((mHotseat.getShortcutsAndWidgets())));
-        bundle.putParcelableArrayList(APP_LOCATION_WORKSPACE, getPinnedAppTargetsInViewGroup(
+        bundle.putParcelableArrayList(BUNDLE_KEY_WORKSPACE, getPinnedAppTargetsInViewGroup(
                 mLauncher.getWorkspace().getScreenWithId(
                         Workspace.FIRST_SCREEN_ID).getShortcutsAndWidgets()));
         return bundle;
@@ -285,9 +309,12 @@
             ItemInfoWithIcon info = mapper.getApp(allAppsStore);
             if (info instanceof AppInfo) {
                 WorkspaceItemInfo predictedApp = new WorkspaceItemInfo((AppInfo) info);
+                predictedApp.container = LauncherSettings.Favorites.CONTAINER_HOTSEAT_PREDICTION;
                 predictedApps.add(predictedApp);
             } else if (info instanceof WorkspaceItemInfo) {
-                predictedApps.add(new WorkspaceItemInfo((WorkspaceItemInfo) info));
+                WorkspaceItemInfo predictedApp = new WorkspaceItemInfo((WorkspaceItemInfo) info);
+                predictedApp.container = LauncherSettings.Favorites.CONTAINER_HOTSEAT_PREDICTION;
+                predictedApps.add(predictedApp);
             } else {
                 if (DEBUG) {
                     Log.e(TAG, "Predicted app not found: " + mapper);
@@ -313,13 +340,27 @@
         return icons;
     }
 
-    private void removePredictedApps(List<PredictedAppIcon.PredictedIconOutlineDrawing> outlines) {
+    private void removePredictedApps(List<PredictedAppIcon.PredictedIconOutlineDrawing> outlines,
+            ItemInfo draggedInfo) {
+        if (mIconRemoveAnimators != null) {
+            mIconRemoveAnimators.end();
+        }
+        mIconRemoveAnimators = new AnimatorSet();
+        removeOutlineDrawings();
         for (PredictedAppIcon icon : getPredictedIcons()) {
+            if (!icon.isEnabled()) {
+                continue;
+            }
+            if (icon.getTag().equals(draggedInfo)) {
+                mHotseat.removeView(icon);
+                continue;
+            }
             int rank = ((WorkspaceItemInfo) icon.getTag()).rank;
             outlines.add(new PredictedAppIcon.PredictedIconOutlineDrawing(
                     mHotseat.getCellXFromOrder(rank), mHotseat.getCellYFromOrder(rank), icon));
             icon.setEnabled(false);
-            icon.animate().scaleY(0).scaleX(0).setListener(new AnimationSuccessListener() {
+            ObjectAnimator animator = ObjectAnimator.ofFloat(icon, SCALE_PROPERTY, 0);
+            animator.addListener(new AnimationSuccessListener() {
                 @Override
                 public void onAnimationSuccess(Animator animator) {
                     if (icon.getParent() != null) {
@@ -327,10 +368,11 @@
                     }
                 }
             });
+            mIconRemoveAnimators.play(animator);
         }
+        mIconRemoveAnimators.start();
     }
 
-
     private void notifyItemAction(AppTarget target, String location, int action) {
         if (mAppPredictor != null) {
             mAppPredictor.notifyAppTargetEvent(new AppTargetEvent.Builder(target,
@@ -340,7 +382,7 @@
 
     @Override
     public void onDragStart(DropTarget.DragObject dragObject, DragOptions options) {
-        removePredictedApps(mOutlineDrawings);
+        removePredictedApps(mOutlineDrawings, dragObject.dragInfo);
         mDragObject = dragObject;
         if (mOutlineDrawings.isEmpty()) return;
         for (PredictedAppIcon.PredictedIconOutlineDrawing outlineDrawing : mOutlineDrawings) {
@@ -354,14 +396,25 @@
         if (mDragObject == null) {
             return;
         }
+
         ItemInfo dragInfo = mDragObject.dragInfo;
-        if (dragInfo instanceof WorkspaceItemInfo && dragInfo.getTargetComponent() != null) {
+        ViewGroup hotseatVG = mHotseat.getShortcutsAndWidgets();
+        ViewGroup firstScreenVG = mLauncher.getWorkspace().getScreenWithId(
+                Workspace.FIRST_SCREEN_ID).getShortcutsAndWidgets();
+
+        if (dragInfo instanceof WorkspaceItemInfo
+                && dragInfo.itemType == LauncherSettings.Favorites.ITEM_TYPE_APPLICATION
+                && dragInfo.getTargetComponent() != null) {
             AppTarget appTarget = getAppTargetFromItemInfo(dragInfo);
             if (!isInHotseat(dragInfo) && isInHotseat(mDragObject.originalDragInfo)) {
-                notifyItemAction(appTarget, APP_LOCATION_HOTSEAT, APPTARGET_ACTION_UNPIN);
+                if (!getPinnedAppTargetsInViewGroup(hotseatVG).contains(appTarget)) {
+                    notifyItemAction(appTarget, APP_LOCATION_HOTSEAT, APPTARGET_ACTION_UNPIN);
+                }
             }
             if (!isInFirstPage(dragInfo) && isInFirstPage(mDragObject.originalDragInfo)) {
-                notifyItemAction(appTarget, APP_LOCATION_WORKSPACE, APPTARGET_ACTION_UNPIN);
+                if (!getPinnedAppTargetsInViewGroup(firstScreenVG).contains(appTarget)) {
+                    notifyItemAction(appTarget, APP_LOCATION_WORKSPACE, APPTARGET_ACTION_UNPIN);
+                }
             }
             if (isInHotseat(dragInfo) && !isInHotseat(mDragObject.originalDragInfo)) {
                 notifyItemAction(appTarget, APP_LOCATION_HOTSEAT, AppTargetEvent.ACTION_PIN);
@@ -371,14 +424,7 @@
             }
         }
         mDragObject = null;
-        fillGapsWithPrediction(true, () -> {
-            if (mOutlineDrawings.isEmpty()) return;
-            for (PredictedAppIcon.PredictedIconOutlineDrawing outlineDrawing : mOutlineDrawings) {
-                mHotseat.removeDelegatedCellDrawing(outlineDrawing);
-            }
-            mHotseat.invalidate();
-            mOutlineDrawings.clear();
-        });
+        fillGapsWithPrediction(true, this::removeOutlineDrawings);
     }
 
     @Nullable
@@ -394,11 +440,20 @@
     private void preparePredictionInfo(WorkspaceItemInfo itemInfo, int rank) {
         itemInfo.container = LauncherSettings.Favorites.CONTAINER_HOTSEAT_PREDICTION;
         itemInfo.rank = rank;
-        itemInfo.cellX = rank;
-        itemInfo.cellY = mHotSeatItemsCount - rank - 1;
+        itemInfo.cellX = mHotseat.getCellXFromOrder(rank);
+        itemInfo.cellY = mHotseat.getCellYFromOrder(rank);
         itemInfo.screenId = rank;
     }
 
+    private void removeOutlineDrawings() {
+        if (mOutlineDrawings.isEmpty()) return;
+        for (PredictedAppIcon.PredictedIconOutlineDrawing outlineDrawing : mOutlineDrawings) {
+            mHotseat.removeDelegatedCellDrawing(outlineDrawing);
+        }
+        mHotseat.invalidate();
+        mOutlineDrawings.clear();
+    }
+
     @Override
     public void onIdpChanged(int changeFlags, InvariantDeviceProfile profile) {
         this.mHotSeatItemsCount = profile.numHotseatIcons;
@@ -415,6 +470,17 @@
 
     }
 
+    @Override
+    public void onDropCompleted(View target, DropTarget.DragObject d, boolean success) {
+        //Does nothing
+    }
+
+    @Override
+    public void fillInLogContainerData(View v, ItemInfo info, LauncherLogProto.Target target,
+            LauncherLogProto.Target targetParent) {
+        mHotseat.fillInLogContainerData(v, info, target, targetParent);
+    }
+
     private class PinPrediction extends SystemShortcut<QuickstepLauncher> {
 
         private PinPrediction(QuickstepLauncher target, ItemInfo itemInfo) {
@@ -435,18 +501,22 @@
      */
     public static void fillInHybridHotseatRank(
             @NonNull ItemInfo itemInfo, @NonNull LauncherLogProto.Target target) {
-        if (sInstance == null || itemInfo.getTargetComponent() == null
+        QuickstepLauncher launcher = QuickstepLauncher.ACTIVITY_TRACKER.getCreatedActivity();
+        if (launcher == null || launcher.getHotseatPredictionController() == null
+                || itemInfo.getTargetComponent() == null
                 || itemInfo.container != LauncherSettings.Favorites.CONTAINER_HOTSEAT_PREDICTION) {
             return;
         }
+        HotseatPredictionController controller = launcher.getHotseatPredictionController();
+
         final ComponentKey k = new ComponentKey(itemInfo.getTargetComponent(), itemInfo.user);
 
-        final List<ComponentKeyMapper> predictedApps = sInstance.mComponentKeyMappers;
+        final List<ComponentKeyMapper> predictedApps = controller.mComponentKeyMappers;
         IntStream.range(0, predictedApps.size())
                 .filter((i) -> k.equals(predictedApps.get(i).getComponentKey()))
                 .findFirst()
                 .ifPresent((rank) -> target.predictedRank =
-                        Integer.parseInt(sInstance.mPredictedSpotsCount + "0" + rank));
+                        Integer.parseInt(controller.mPredictedSpotsCount + "0" + rank));
     }
 
     private static boolean isPredictedIcon(View view) {
@@ -461,8 +531,7 @@
         }
         ItemInfo info = (ItemInfo) view.getTag();
         return info.container != LauncherSettings.Favorites.CONTAINER_HOTSEAT_PREDICTION && (
-                info.itemType == LauncherSettings.Favorites.ITEM_TYPE_APPLICATION
-                        || info.itemType == LauncherSettings.Favorites.ITEM_TYPE_SHORTCUT);
+                info.itemType == LauncherSettings.Favorites.ITEM_TYPE_APPLICATION);
     }
 
     private static boolean isInHotseat(ItemInfo itemInfo) {
diff --git a/quickstep/recents_ui_overrides/src/com/android/launcher3/appprediction/DynamicItemCache.java b/quickstep/recents_ui_overrides/src/com/android/launcher3/appprediction/DynamicItemCache.java
index 38bb180..76972af 100644
--- a/quickstep/recents_ui_overrides/src/com/android/launcher3/appprediction/DynamicItemCache.java
+++ b/quickstep/recents_ui_overrides/src/com/android/launcher3/appprediction/DynamicItemCache.java
@@ -44,8 +44,8 @@
 import com.android.launcher3.allapps.AllAppsStore;
 import com.android.launcher3.icons.IconCache;
 import com.android.launcher3.icons.LauncherIcons;
-import com.android.launcher3.shortcuts.DeepShortcutManager;
 import com.android.launcher3.shortcuts.ShortcutKey;
+import com.android.launcher3.shortcuts.ShortcutRequest;
 import com.android.launcher3.util.InstantAppResolver;
 
 import java.util.ArrayList;
@@ -167,11 +167,7 @@
 
     @WorkerThread
     private WorkspaceItemInfo loadShortcutWorker(ShortcutKey shortcutKey) {
-        DeepShortcutManager mgr = DeepShortcutManager.getInstance(mContext);
-        List<ShortcutInfo> details = mgr.queryForFullDetails(
-                shortcutKey.componentName.getPackageName(),
-                Collections.<String>singletonList(shortcutKey.getId()),
-                shortcutKey.user);
+        List<ShortcutInfo> details = shortcutKey.buildRequest(mContext).query(ShortcutRequest.ALL);
         if (!details.isEmpty()) {
             WorkspaceItemInfo si = new WorkspaceItemInfo(details.get(0), mContext);
             try (LauncherIcons li = LauncherIcons.obtain(mContext)) {
diff --git a/quickstep/recents_ui_overrides/src/com/android/launcher3/uioverrides/PredictedAppIcon.java b/quickstep/recents_ui_overrides/src/com/android/launcher3/uioverrides/PredictedAppIcon.java
index 1dcbffb..27ac284 100644
--- a/quickstep/recents_ui_overrides/src/com/android/launcher3/uioverrides/PredictedAppIcon.java
+++ b/quickstep/recents_ui_overrides/src/com/android/launcher3/uioverrides/PredictedAppIcon.java
@@ -29,7 +29,6 @@
 
 import androidx.core.graphics.ColorUtils;
 
-import com.android.launcher3.BubbleTextView;
 import com.android.launcher3.CellLayout;
 import com.android.launcher3.DeviceProfile;
 import com.android.launcher3.Launcher;
@@ -37,7 +36,6 @@
 import com.android.launcher3.WorkspaceItemInfo;
 import com.android.launcher3.graphics.IconPalette;
 import com.android.launcher3.icons.IconNormalizer;
-import com.android.launcher3.popup.PopupContainerWithArrow;
 import com.android.launcher3.touch.ItemClickHandler;
 import com.android.launcher3.touch.ItemLongClickListener;
 import com.android.launcher3.views.DoubleShadowBubbleTextView;
@@ -47,14 +45,13 @@
  */
 public class PredictedAppIcon extends DoubleShadowBubbleTextView {
 
-    private static final float RING_EFFECT_RATIO = 0.12f;
+    private static final float RING_EFFECT_RATIO = 0.11f;
 
     private DeviceProfile mDeviceProfile;
     private final Paint mIconRingPaint = new Paint(Paint.ANTI_ALIAS_FLAG);
     private boolean mIsPinned = false;
     private int mNormalizedIconRadius;
 
-
     public PredictedAppIcon(Context context) {
         this(context, null, 0);
     }
@@ -105,14 +102,8 @@
     /**
      * prepares prediction icon for usage after bind
      */
-    public void finishBinding() {
-        setOnLongClickListener((v) -> {
-            PopupContainerWithArrow.showForIcon((BubbleTextView) v);
-            if (getParent() != null) {
-                getParent().requestDisallowInterceptTouchEvent(true);
-            }
-            return true;
-        });
+    public void finishBinding(OnLongClickListener longClickListener) {
+        setOnLongClickListener(longClickListener);
         ((CellLayout.LayoutParams) getLayoutParams()).canReorder = false;
         setTextVisibility(false);
         verifyHighRes();
diff --git a/quickstep/recents_ui_overrides/src/com/android/launcher3/uioverrides/QuickstepLauncher.java b/quickstep/recents_ui_overrides/src/com/android/launcher3/uioverrides/QuickstepLauncher.java
index 37a3929..cae01ae 100644
--- a/quickstep/recents_ui_overrides/src/com/android/launcher3/uioverrides/QuickstepLauncher.java
+++ b/quickstep/recents_ui_overrides/src/com/android/launcher3/uioverrides/QuickstepLauncher.java
@@ -178,6 +178,13 @@
     }
 
     /**
+     * Returns Prediction controller for hybrid hotseat
+     */
+    public HotseatPredictionController getHotseatPredictionController() {
+        return mHotseatPredictionController;
+    }
+
+    /**
      * Recents logic that triggers when launcher state changes or launcher activity stops/resumes.
      */
     private void onStateOrResumeChanged() {
diff --git a/quickstep/recents_ui_overrides/src/com/android/quickstep/FallbackActivityInterface.java b/quickstep/recents_ui_overrides/src/com/android/quickstep/FallbackActivityInterface.java
index f889bc1..6574d22 100644
--- a/quickstep/recents_ui_overrides/src/com/android/quickstep/FallbackActivityInterface.java
+++ b/quickstep/recents_ui_overrides/src/com/android/quickstep/FallbackActivityInterface.java
@@ -226,7 +226,7 @@
         RecentsActivity activity = getCreatedActivity();
         boolean visible = activity != null && activity.isStarted() && activity.hasWindowFocus();
         return visible
-                ? LauncherLogProto.ContainerType.SIDELOADED_LAUNCHER
+                ? LauncherLogProto.ContainerType.OTHER_LAUNCHER_APP
                 : LauncherLogProto.ContainerType.APP;
     }
 
diff --git a/quickstep/recents_ui_overrides/src/com/android/quickstep/TouchInteractionService.java b/quickstep/recents_ui_overrides/src/com/android/quickstep/TouchInteractionService.java
index bafb2ef..29df5cc 100644
--- a/quickstep/recents_ui_overrides/src/com/android/quickstep/TouchInteractionService.java
+++ b/quickstep/recents_ui_overrides/src/com/android/quickstep/TouchInteractionService.java
@@ -484,7 +484,9 @@
                 base = new AssistantInputConsumer(this, newGestureState, base, mInputMonitorCompat);
             }
 
-            if (mOverscrollPlugin != null) {
+            if (FeatureFlags.ENABLE_QUICK_CAPTURE_GESTURE.get()
+                    && (mOverscrollPlugin != null)
+                    && mOverscrollPlugin.isActive()) {
                 // Put the overscroll gesture as higher priority than the Assistant or base gestures
                 base = new OverscrollInputConsumer(this, newGestureState, base, mInputMonitorCompat,
                         mOverscrollPlugin);
diff --git a/quickstep/recents_ui_overrides/src/com/android/quickstep/inputconsumers/OverscrollInputConsumer.java b/quickstep/recents_ui_overrides/src/com/android/quickstep/inputconsumers/OverscrollInputConsumer.java
index e3da98b..0a21413 100644
--- a/quickstep/recents_ui_overrides/src/com/android/quickstep/inputconsumers/OverscrollInputConsumer.java
+++ b/quickstep/recents_ui_overrides/src/com/android/quickstep/inputconsumers/OverscrollInputConsumer.java
@@ -26,14 +26,17 @@
 
 import android.content.Context;
 import android.graphics.PointF;
+import android.view.GestureDetector;
 import android.view.MotionEvent;
 import android.view.ViewConfiguration;
 
 import androidx.annotation.Nullable;
 
 import com.android.launcher3.BaseDraggingActivity;
+import com.android.launcher3.R;
 import com.android.quickstep.GestureState;
 import com.android.quickstep.InputConsumer;
+import com.android.quickstep.views.LauncherRecentsView;
 import com.android.quickstep.views.RecentsView;
 import com.android.systemui.plugins.OverscrollPlugin;
 import com.android.systemui.shared.system.InputMonitorCompat;
@@ -47,12 +50,12 @@
 
     private static final String TAG = "OverscrollInputConsumer";
 
-    private static final int ANGLE_THRESHOLD = 35; // Degrees
-
     private final PointF mDownPos = new PointF();
     private final PointF mLastPos = new PointF();
     private final PointF mStartDragPos = new PointF();
+    private final int mAngleThreshold;
 
+    private final float mFlingThresholdPx;
     private int mActivePointerId = -1;
     private boolean mPassedSlop = false;
 
@@ -60,19 +63,28 @@
 
     private final Context mContext;
     private final GestureState mGestureState;
-    @Nullable private final OverscrollPlugin mPlugin;
+    @Nullable
+    private final OverscrollPlugin mPlugin;
+    private final GestureDetector mGestureDetector;
 
     private RecentsView mRecentsView;
 
     public OverscrollInputConsumer(Context context, GestureState gestureState,
             InputConsumer delegate, InputMonitorCompat inputMonitor, OverscrollPlugin plugin) {
         super(delegate, inputMonitor);
+
+        mAngleThreshold = context.getResources()
+                .getInteger(R.integer.assistant_gesture_corner_deg_threshold);
+        mFlingThresholdPx = context.getResources()
+            .getDimension(R.dimen.gestures_overscroll_fling_threshold);
         mContext = context;
         mGestureState = gestureState;
         mPlugin = plugin;
 
         float slop = ViewConfiguration.get(context).getScaledTouchSlop();
+
         mSquaredSlop = slop * slop;
+        mGestureDetector = new GestureDetector(context, new FlingGestureListener());
 
         gestureState.getActivityInterface().createActivityInitListener(this::onActivityInit)
                 .register();
@@ -139,21 +151,29 @@
 
                         mPassedSlop = true;
                         mStartDragPos.set(mLastPos.x, mLastPos.y);
-
                         if (isOverscrolled()) {
                             setActive(ev);
+
+                            if (mPlugin != null) {
+                                mPlugin.onTouchStart(getDeviceState(), getUnderlyingActivity());
+                            }
                         } else {
                             mState = STATE_DELEGATE_ACTIVE;
                         }
                     }
                 }
 
+                if (mPassedSlop && mState != STATE_DELEGATE_ACTIVE && isOverscrolled()
+                        && mPlugin != null) {
+                    mPlugin.onTouchTraveled(getDistancePx());
+                }
+
                 break;
             }
             case ACTION_CANCEL:
             case ACTION_UP:
                 if (mState != STATE_DELEGATE_ACTIVE && mPassedSlop && mPlugin != null) {
-                    mPlugin.onOverscroll(getDeviceState());
+                    mPlugin.onTouchEnd(getDistancePx());
                 }
 
                 mPassedSlop = false;
@@ -161,6 +181,10 @@
                 break;
         }
 
+        if (mState != STATE_DELEGATE_ACTIVE) {
+            mGestureDetector.onTouchEvent(ev);
+        }
+
         if (mState != STATE_ACTIVE) {
             mDelegate.onMotionEvent(ev);
         }
@@ -168,12 +192,19 @@
 
     private boolean isOverscrolled() {
         // Make sure there isn't an app to quick switch to on our right
-        boolean atRightMostApp = (mRecentsView == null || mRecentsView.getRunningTaskIndex() <= 0);
+        int maxIndex = 0;
+        if ((mRecentsView instanceof LauncherRecentsView)
+                && ((LauncherRecentsView) mRecentsView).hasRecentsExtraCard()) {
+            maxIndex = 1;
+        }
+
+        boolean atRightMostApp = (mRecentsView == null
+                || mRecentsView.getRunningTaskIndex() <= maxIndex);
 
         // Check if the gesture is within our angle threshold of horizontal
         float deltaY = Math.abs(mLastPos.y - mDownPos.y);
         float deltaX = mDownPos.x - mLastPos.x; // Positive if this is a gesture to the left
-        boolean angleInBounds = Math.toDegrees(Math.atan2(deltaY, deltaX)) < ANGLE_THRESHOLD;
+        boolean angleInBounds = Math.toDegrees(Math.atan2(deltaY, deltaX)) < mAngleThreshold;
 
         return atRightMostApp && angleInBounds;
     }
@@ -193,4 +224,36 @@
 
         return deviceState;
     }
+
+    private int getDistancePx() {
+        return (int) Math.hypot(mLastPos.x - mDownPos.x, mLastPos.y - mDownPos.y);
+    }
+
+    private String getUnderlyingActivity() {
+        return mGestureState.getRunningTask().topActivity.flattenToString();
+    }
+
+    private class FlingGestureListener extends GestureDetector.SimpleOnGestureListener {
+        @Override
+        public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY) {
+            if (isValidAngle(velocityX, -velocityY)
+                    && getDistancePx() >= mFlingThresholdPx
+                    && mState != STATE_DELEGATE_ACTIVE) {
+
+                if (mPlugin != null) {
+                    mPlugin.onFling(-velocityX);
+                }
+            }
+            return true;
+        }
+
+        private boolean isValidAngle(float deltaX, float deltaY) {
+            float angle = (float) Math.toDegrees(Math.atan2(deltaY, deltaX));
+            // normalize so that angle is measured clockwise from horizontal in the bottom right
+            // corner and counterclockwise from horizontal in the bottom left corner
+
+            angle = angle > 90 ? 180 - angle : angle;
+            return (angle < mAngleThreshold);
+        }
+    }
 }
diff --git a/quickstep/recents_ui_overrides/src/com/android/quickstep/views/LauncherRecentsView.java b/quickstep/recents_ui_overrides/src/com/android/quickstep/views/LauncherRecentsView.java
index 82fbbc6..1bbb3f5 100644
--- a/quickstep/recents_ui_overrides/src/com/android/quickstep/views/LauncherRecentsView.java
+++ b/quickstep/recents_ui_overrides/src/com/android/quickstep/views/LauncherRecentsView.java
@@ -378,6 +378,11 @@
     }
 
     @Override
+    public boolean hasRecentsExtraCard() {
+        return mRecentsExtraViewContainer != null;
+    }
+
+    @Override
     public void setContentAlpha(float alpha) {
         super.setContentAlpha(alpha);
         if (mRecentsExtraViewContainer != null) {
diff --git a/quickstep/recents_ui_overrides/src/com/android/quickstep/views/RecentsView.java b/quickstep/recents_ui_overrides/src/com/android/quickstep/views/RecentsView.java
index bcaa126..47bc31a 100644
--- a/quickstep/recents_ui_overrides/src/com/android/quickstep/views/RecentsView.java
+++ b/quickstep/recents_ui_overrides/src/com/android/quickstep/views/RecentsView.java
@@ -830,6 +830,11 @@
 
     public abstract void startHome();
 
+    /** `true` if there is a +1 space available in overview. */
+    public boolean hasRecentsExtraCard() {
+        return false;
+    }
+
     public void reset() {
         setCurrentTask(-1);
         mIgnoreResetTaskId = -1;
diff --git a/quickstep/res/drawable-v28/back_gesture_tutorial_action_button_background.xml b/quickstep/res/drawable-v28/back_gesture_tutorial_action_button_background.xml
new file mode 100644
index 0000000..cd30ef7
--- /dev/null
+++ b/quickstep/res/drawable-v28/back_gesture_tutorial_action_button_background.xml
@@ -0,0 +1,20 @@
+<!--
+    Copyright (C) 2020 The Android Open Source Project
+
+    Licensed under the Apache License, Version 2.0 (the "License");
+    you may not use this file except in compliance with the License.
+    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.
+-->
+<shape xmlns:android="http://schemas.android.com/apk/res/android"
+    android:shape="rectangle">
+    <corners android:radius="?android:attr/dialogCornerRadius"/>
+    <solid android:color="@color/back_gesture_tutorial_primary_color"/>
+</shape>
\ No newline at end of file
diff --git a/quickstep/res/drawable/back_gesture.xml b/quickstep/res/drawable/back_gesture.xml
new file mode 100644
index 0000000..a5c57b4
--- /dev/null
+++ b/quickstep/res/drawable/back_gesture.xml
@@ -0,0 +1,367 @@
+<!--
+    Copyright (C) 2020 The Android Open Source Project
+
+    Licensed under the Apache License, Version 2.0 (the "License");
+    you may not use this file except in compliance with the License.
+    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.
+-->
+<animated-vector xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:aapt="http://schemas.android.com/aapt">
+    <aapt:attr name="android:drawable">
+        <vector
+            android:width="206dp"
+            android:height="435dp"
+            android:viewportWidth="206"
+            android:viewportHeight="435">
+            <group android:name="edgeGroup"
+                android:translateX="197"
+                android:translateY="0">
+                <path
+                    android:name="edge"
+                    android:fillAlpha="0"
+                    android:fillType="nonZero"
+                    android:fillColor="#1a73eb"
+                    android:pathData=" M0,0 h9 v435 h-9 z " />
+            </group>
+            <group
+                android:name="trailGroup"
+                android:translateX="226"
+                android:translateY="200">
+                <path
+                    android:name="trail"
+                    android:fillAlpha="1"
+                    android:fillType="nonZero"
+                    android:pathData=" M0,0 h55 v36 h-55 z ">
+                    <aapt:attr name="android:fillColor">
+                        <gradient
+                            android:startX="0"
+                            android:endX="55"
+                            android:type="linear">
+                            <item
+                                android:color="#991a73eb"
+                                android:offset="0" />
+                            <item
+                                android:color="#401a73eb"
+                                android:offset="0.5" />
+                            <item
+                                android:color="#001a73eb"
+                                android:offset="1" />
+                        </gradient>
+                    </aapt:attr>
+                </path>
+            </group>
+            <group android:name="_R_G">
+                <group
+                    android:name="_R_G_L_0_G_T_1"
+                    android:rotation="11"
+                    android:scaleX="0.9"
+                    android:scaleY="0.9"
+                    android:translateX="309"
+                    android:translateY="422.5">
+                    <group
+                        android:name="_R_G_L_0_G"
+                        android:translateX="-145"
+                        android:translateY="-208">
+                        <path
+                            android:name="_R_G_L_0_G_D_0_P_0"
+                            android:fillAlpha="1"
+                            android:fillColor="#d2e3fc"
+                            android:fillType="nonZero"
+                            android:pathData=" M12.5 -47 C-7.93,-41.24 -3,-20.5 -1.5,-7 C0,6.5 2.5,22 9,39.5 C13.52,51.67 17.06,63.52 19,113 C21,164 53.5,243.5 53.5,243.5 C53.5,243.5 59,275.5 123.5,326 C188,376.5 283.5,236 290.5,199 C297.5,162 194.5,80 149,73 C103.5,66 90.5,57.5 77,50 C63.5,42.5 57,27 54.5,13.5 C52,0 43.5,-15 40,-25 C36.5,-35 32,-52.5 12.5,-47c " />
+                        <path
+                            android:name="_R_G_L_0_G_D_1_P_0"
+                            android:pathData=" M4.45 -34.66 C4.45,-34.66 10.5,-12.66 10.5,-12.66 C11.24,-9.98 13.98,-8.38 16.67,-9.04 C16.67,-9.04 29.72,-12.27 29.72,-12.27 C32.39,-12.93 34.05,-15.59 33.47,-18.28 C33.47,-18.28 32.11,-24.57 32.11,-24.57 "
+                            android:strokeWidth="4"
+                            android:strokeAlpha="1"
+                            android:strokeColor="#a0c2f9" />
+                        <path
+                            android:name="_R_G_L_0_G_D_2_P_0"
+                            android:pathData=" M18.35 21.81 C21.41,17.24 36.97,10.77 44.63,13.55 "
+                            android:strokeWidth="4"
+                            android:strokeAlpha="1"
+                            android:strokeColor="#a0c2f9" />
+                    </group>
+                </group>
+            </group>
+            <group android:name="time_group" />
+        </vector>
+    </aapt:attr>
+    <target android:name="edge">
+        <aapt:attr name="android:animation">
+            <set android:ordering="together">
+                <objectAnimator
+                    android:duration="333"
+                    android:propertyName="fillAlpha"
+                    android:startOffset="0"
+                    android:valueFrom="0"
+                    android:valueTo="0.2"
+                    android:valueType="floatType">
+                    <aapt:attr name="android:interpolator">
+                        <pathInterpolator android:pathData="M 0.0,0.0 c0.167,0.167 0.833,0.833 1.0,1.0" />
+                    </aapt:attr>
+                </objectAnimator>
+                <objectAnimator
+                    android:duration="917"
+                    android:propertyName="fillAlpha"
+                    android:startOffset="333"
+                    android:valueFrom="0.2"
+                    android:valueTo="0.2"
+                    android:valueType="floatType">
+                    <aapt:attr name="android:interpolator">
+                        <pathInterpolator android:pathData="M 0.0,0.0 c0.167,0.167 0.833,0.833 1.0,1.0" />
+                    </aapt:attr>
+                </objectAnimator>
+                <objectAnimator
+                    android:duration="583"
+                    android:propertyName="fillAlpha"
+                    android:startOffset="1250"
+                    android:valueFrom="0.2"
+                    android:valueTo="0"
+                    android:valueType="floatType">
+                    <aapt:attr name="android:interpolator">
+                        <pathInterpolator android:pathData="M 0.0,0.0 c0.167,0.167 0.833,0.833 1.0,1.0" />
+                    </aapt:attr>
+                </objectAnimator>
+            </set>
+        </aapt:attr>
+    </target>
+    <target android:name="trail">
+        <aapt:attr name="android:animation">
+            <set android:ordering="together">
+                <objectAnimator
+                    android:duration="2000"
+                    android:propertyName="fillAlpha"
+                    android:startOffset="0"
+                    android:valueFrom="1"
+                    android:valueTo="1"
+                    android:valueType="floatType">
+                    <aapt:attr name="android:interpolator">
+                        <pathInterpolator android:pathData="M 0.0,0.0 c0.167,0.167 0.833,0.833 1.0,1.0" />
+                    </aapt:attr>
+                </objectAnimator>
+                <objectAnimator
+                    android:duration="850"
+                    android:propertyName="fillAlpha"
+                    android:startOffset="2000"
+                    android:valueFrom="1"
+                    android:valueTo="0"
+                    android:valueType="floatType">
+                    <aapt:attr name="android:interpolator">
+                        <pathInterpolator android:pathData="M 0.0,0.0 c0.167,0.167 0.833,0.833 1.0,1.0" />
+                    </aapt:attr>
+                </objectAnimator>
+            </set>
+        </aapt:attr>
+    </target>
+    <target android:name="trailGroup">
+        <aapt:attr name="android:animation">
+            <set android:ordering="together">
+                <objectAnimator
+                    android:duration="83"
+                    android:propertyName="translateX"
+                    android:startOffset="1250"
+                    android:valueFrom="226"
+                    android:valueTo="226"
+                    android:valueType="floatType">
+                    <aapt:attr name="android:interpolator">
+                        <pathInterpolator android:pathData="M 0.0,0.0 c0.167,0.167 0.285,1 1.0,1.0" />
+                    </aapt:attr>
+                </objectAnimator>
+                <objectAnimator
+                    android:duration="1000"
+                    android:propertyName="translateX"
+                    android:startOffset="1333"
+                    android:valueFrom="226"
+                    android:valueTo="151"
+                    android:valueType="floatType">
+                    <aapt:attr name="android:interpolator">
+                        <pathInterpolator android:pathData="M 0.0,0.0 c0.167,0.167 0.285,1 1.0,1.0" />
+                    </aapt:attr>
+                </objectAnimator>
+                <objectAnimator
+                    android:duration="517"
+                    android:propertyName="translateX"
+                    android:startOffset="2333"
+                    android:valueFrom="151"
+                    android:valueTo="151"
+                    android:valueType="floatType">
+                    <aapt:attr name="android:interpolator">
+                        <pathInterpolator android:pathData="M 0.0,0.0 c0.167,0.167 0.285,1 1.0,1.0" />
+                    </aapt:attr>
+                </objectAnimator>
+                <objectAnimator
+                    android:duration="50"
+                    android:propertyName="translateX"
+                    android:startOffset="2850"
+                    android:valueFrom="226"
+                    android:valueTo="226"
+                    android:valueType="floatType">
+                    <aapt:attr name="android:interpolator">
+                        <pathInterpolator android:pathData="M 0.0,0.0 c0.167,0.167 0.285,1 1.0,1.0" />
+                    </aapt:attr>
+                </objectAnimator>
+            </set>
+        </aapt:attr>
+    </target>
+    <target android:name="_R_G_L_0_G_D_0_P_0">
+        <aapt:attr name="android:animation">
+            <set android:ordering="together">
+                <objectAnimator
+                    android:duration="1833"
+                    android:propertyName="fillAlpha"
+                    android:startOffset="1250"
+                    android:valueFrom="1"
+                    android:valueTo="1"
+                    android:valueType="floatType">
+                    <aapt:attr name="android:interpolator">
+                        <pathInterpolator android:pathData="M 0.0,0.0 c0.167,0.167 0.833,0.833 1.0,1.0" />
+                    </aapt:attr>
+                </objectAnimator>
+                <objectAnimator
+                    android:duration="167"
+                    android:propertyName="fillAlpha"
+                    android:startOffset="3083"
+                    android:valueFrom="1"
+                    android:valueTo="0"
+                    android:valueType="floatType">
+                    <aapt:attr name="android:interpolator">
+                        <pathInterpolator android:pathData="M 0.0,0.0 c0.167,0.167 0.833,0.833 1.0,1.0" />
+                    </aapt:attr>
+                </objectAnimator>
+            </set>
+        </aapt:attr>
+    </target>
+    <target android:name="_R_G_L_0_G_D_1_P_0">
+        <aapt:attr name="android:animation">
+            <set android:ordering="together">
+                <objectAnimator
+                    android:duration="1833"
+                    android:propertyName="strokeAlpha"
+                    android:startOffset="1250"
+                    android:valueFrom="1"
+                    android:valueTo="1"
+                    android:valueType="floatType">
+                    <aapt:attr name="android:interpolator">
+                        <pathInterpolator android:pathData="M 0.0,0.0 c0.167,0.167 0.833,0.833 1.0,1.0" />
+                    </aapt:attr>
+                </objectAnimator>
+                <objectAnimator
+                    android:duration="100"
+                    android:propertyName="strokeAlpha"
+                    android:startOffset="3083"
+                    android:valueFrom="1"
+                    android:valueTo="0"
+                    android:valueType="floatType">
+                    <aapt:attr name="android:interpolator">
+                        <pathInterpolator android:pathData="M 0.0,0.0 c0.167,0.167 0.833,0.833 1.0,1.0" />
+                    </aapt:attr>
+                </objectAnimator>
+            </set>
+        </aapt:attr>
+    </target>
+    <target android:name="_R_G_L_0_G_D_2_P_0">
+        <aapt:attr name="android:animation">
+            <set android:ordering="together">
+                <objectAnimator
+                    android:duration="1833"
+                    android:propertyName="strokeAlpha"
+                    android:startOffset="1250"
+                    android:valueFrom="1"
+                    android:valueTo="1"
+                    android:valueType="floatType">
+                    <aapt:attr name="android:interpolator">
+                        <pathInterpolator android:pathData="M 0.0,0.0 c0.167,0.167 0.833,0.833 1.0,1.0" />
+                    </aapt:attr>
+                </objectAnimator>
+                <objectAnimator
+                    android:duration="100"
+                    android:propertyName="strokeAlpha"
+                    android:startOffset="3083"
+                    android:valueFrom="1"
+                    android:valueTo="0"
+                    android:valueType="floatType">
+                    <aapt:attr name="android:interpolator">
+                        <pathInterpolator android:pathData="M 0.0,0.0 c0.167,0.167 0.833,0.833 1.0,1.0" />
+                    </aapt:attr>
+                </objectAnimator>
+            </set>
+        </aapt:attr>
+    </target>
+    <target android:name="_R_G_L_0_G_T_1">
+        <aapt:attr name="android:animation">
+            <set android:ordering="together">
+                <objectAnimator
+                    android:duration="83"
+                    android:propertyName="translateX"
+                    android:startOffset="1250"
+                    android:valueFrom="309"
+                    android:valueTo="309"
+                    android:valueType="floatType">
+                    <aapt:attr name="android:interpolator">
+                        <pathInterpolator android:pathData="M 0.0,0.0 c0.167,0.167 0.285,1 1.0,1.0" />
+                    </aapt:attr>
+                </objectAnimator>
+                <objectAnimator
+                    android:duration="1417"
+                    android:propertyName="translateX"
+                    android:startOffset="1333"
+                    android:valueFrom="309"
+                    android:valueTo="251"
+                    android:valueType="floatType">
+                    <aapt:attr name="android:interpolator">
+                        <pathInterpolator android:pathData="M 0.0,0.0 c0.167,0.167 0.285,1 1.0,1.0" />
+                    </aapt:attr>
+                </objectAnimator>
+            </set>
+        </aapt:attr>
+    </target>
+    <target android:name="_R_G_L_0_G_T_1">
+        <aapt:attr name="android:animation">
+            <set android:ordering="together">
+                <objectAnimator
+                    android:duration="83"
+                    android:propertyName="rotation"
+                    android:startOffset="1250"
+                    android:valueFrom="11"
+                    android:valueTo="11"
+                    android:valueType="floatType">
+                    <aapt:attr name="android:interpolator">
+                        <pathInterpolator android:pathData="M 0.0,0.0 c0.167,0.167 0.277,1 1.0,1.0" />
+                    </aapt:attr>
+                </objectAnimator>
+                <objectAnimator
+                    android:duration="1417"
+                    android:propertyName="rotation"
+                    android:startOffset="1333"
+                    android:valueFrom="11"
+                    android:valueTo="0"
+                    android:valueType="floatType">
+                    <aapt:attr name="android:interpolator">
+                        <pathInterpolator android:pathData="M 0.0,0.0 c0.167,0.167 0.277,1 1.0,1.0" />
+                    </aapt:attr>
+                </objectAnimator>
+            </set>
+        </aapt:attr>
+    </target>
+    <target android:name="time_group">
+        <aapt:attr name="android:animation">
+            <set android:ordering="together">
+                <objectAnimator
+                    android:duration="2183"
+                    android:propertyName="translateX"
+                    android:startOffset="1250"
+                    android:valueFrom="0"
+                    android:valueTo="1"
+                    android:valueType="floatType" />
+            </set>
+        </aapt:attr>
+    </target>
+</animated-vector>
\ No newline at end of file
diff --git a/quickstep/res/drawable/back_gesture_tutorial_action_button_background.xml b/quickstep/res/drawable/back_gesture_tutorial_action_button_background.xml
new file mode 100644
index 0000000..d7b9102
--- /dev/null
+++ b/quickstep/res/drawable/back_gesture_tutorial_action_button_background.xml
@@ -0,0 +1,20 @@
+<!--
+    Copyright (C) 2020 The Android Open Source Project
+
+    Licensed under the Apache License, Version 2.0 (the "License");
+    you may not use this file except in compliance with the License.
+    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.
+-->
+<shape xmlns:android="http://schemas.android.com/apk/res/android"
+    android:shape="rectangle">
+    <corners android:radius="@dimen/default_dialog_corner_radius"/>
+    <solid android:color="@color/back_gesture_tutorial_primary_color"/>
+</shape>
\ No newline at end of file
diff --git a/quickstep/res/drawable/back_gesture_tutorial_close_button.xml b/quickstep/res/drawable/back_gesture_tutorial_close_button.xml
new file mode 100644
index 0000000..0702042
--- /dev/null
+++ b/quickstep/res/drawable/back_gesture_tutorial_close_button.xml
@@ -0,0 +1,25 @@
+<!--
+    Copyright (C) 2020 The Android Open Source Project
+
+    Licensed under the Apache License, Version 2.0 (the "License");
+    you may not use this file except in compliance with the License.
+    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.
+-->
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:height="13dp"
+    android:viewportHeight="14"
+    android:viewportWidth="14"
+    android:width="13dp">
+    <path
+        android:fillColor="#000000"
+        android:fillType="evenOdd"
+        android:pathData="M14,1.41L12.59,0L7,5.59L1.41,0L0,1.41L5.59,7L0,12.59L1.41,14L7,8.41L12.59,14L14,12.59L8.41,7L14,1.41Z"/>
+</vector>
\ No newline at end of file
diff --git a/quickstep/res/drawable/ic_bulb_outline.xml b/quickstep/res/drawable/ic_bulb_outline.xml
new file mode 100644
index 0000000..ef7bf9a
--- /dev/null
+++ b/quickstep/res/drawable/ic_bulb_outline.xml
@@ -0,0 +1,29 @@
+<!--
+    Copyright (C) 2020 The Android Open Source Project
+
+    Licensed under the Apache License, Version 2.0 (the "License");
+    you may not use this file except in compliance with the License.
+    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.
+-->
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="192dp"
+    android:height="192dp"
+    android:viewportWidth="192"
+    android:viewportHeight="192">
+    <path
+        android:pathData="M96,90.01"
+        android:strokeWidth="2.4297"
+        android:fillColor="#00000000"
+        android:strokeColor="#FFC800"/>
+    <path
+        android:pathData="M153.24,48.09c-0.5,-1.51 -0.99,-2.86 -1.51,-4.12c-3.03,-7.1 -7.26,-13.45 -12.59,-18.88C127.68,13.42 112.4,7 96.1,7c-14,0 -27.66,4.93 -38.45,13.87C47,29.69 39.61,41.99 36.82,55.51c-0.76,3.9 -1.14,7.86 -1.14,11.78c0,16.39 6.36,31.77 17.9,43.3c2.65,2.65 5.59,5.08 8.74,7.23l0.09,24.14v22.03c0,5.33 4.82,10.01 10.32,10.01h0.41h3.85v0c0,6.23 4.53,10.93 10.53,10.93h16.94c6.01,0 10.54,-4.7 10.54,-10.93v0h4.31c5.56,0 10.26,-4.5 10.26,-9.83v-22.01c0.01,-0.06 0.01,-0.13 0.01,-0.2v-23.74c16.75,-11.15 26.73,-30.15 26.73,-50.94C156.31,60.76 155.28,54.3 153.24,48.09zM118.51,111.08l-0.46,0.29l-0.46,0.29v0.55v0.55v4.38v22.77l-14.12,0V95.9h14h2v-2v-8.5v-2h-2H74.53h-2v2v8.5v2h2h14v44.02l-14.13,0l-0.09,-23.21l-0.02,-4.3l0,-0.54l0,-0.54l-0.45,-0.29l-0.45,-0.29l-3.6,-2.36c-2.81,-1.84 -5.41,-3.95 -7.73,-6.28c-9.27,-9.26 -14.38,-21.63 -14.38,-34.82c0,-3.14 0.3,-6.31 0.9,-9.43C53.25,35.35 73.23,19 96.1,19c13.05,0 25.3,5.15 34.48,14.5c4.27,4.34 7.66,9.43 10.08,15.1c0.39,0.96 0.78,2.03 1.18,3.24c1.64,5 2.47,10.2 2.47,15.45c0,17.1 -8.27,32.58 -22.11,41.43L118.51,111.08z"
+        android:fillColor="#4285F4"/>
+</vector>
\ No newline at end of file
diff --git a/quickstep/res/layout/back_gesture_tutorial_activity.xml b/quickstep/res/layout/back_gesture_tutorial_activity.xml
new file mode 100644
index 0000000..e894e89
--- /dev/null
+++ b/quickstep/res/layout/back_gesture_tutorial_activity.xml
@@ -0,0 +1,19 @@
+<!--
+    Copyright (C) 2020 The Android Open Source Project
+
+    Licensed under the Apache License, Version 2.0 (the "License");
+    you may not use this file except in compliance with the License.
+    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.
+-->
+<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:id="@+id/back_gesture_tutorial_fragment_container"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"/>
\ No newline at end of file
diff --git a/quickstep/res/layout/back_gesture_tutorial_fragment.xml b/quickstep/res/layout/back_gesture_tutorial_fragment.xml
new file mode 100644
index 0000000..294e46e
--- /dev/null
+++ b/quickstep/res/layout/back_gesture_tutorial_fragment.xml
@@ -0,0 +1,121 @@
+<!--
+    Copyright (C) 2020 The Android Open Source Project
+
+    Licensed under the Apache License, Version 2.0 (the "License");
+    you may not use this file except in compliance with the License.
+    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.
+-->
+<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:layerType="software"
+    android:background="@color/back_gesture_tutorial_background_color">
+    <!--The layout is rendered on the software layer to avoid b/136158117-->
+
+    <ImageView
+        android:id="@+id/back_gesture_tutorial_fragment_hand_coaching"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:scaleType="centerCrop"/>
+
+    <ImageButton
+        android:id="@+id/back_gesture_tutorial_fragment_close_button"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:padding="18dp"
+        android:layout_marginTop="30dp"
+        android:layout_marginStart="4dp"
+        android:layout_alignParentLeft="true"
+        android:layout_alignParentTop="true"
+        android:background="@android:color/transparent"
+        android:accessibilityTraversalAfter="@id/back_gesture_tutorial_fragment_titles_container"
+        android:contentDescription="@string/back_gesture_tutorial_close_button_content_description"
+        android:src="@drawable/back_gesture_tutorial_close_button"/>
+
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:layout_marginTop="70dp"
+        android:orientation="vertical">
+
+        <LinearLayout
+            android:id="@+id/back_gesture_tutorial_fragment_titles_container"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:orientation="vertical"
+            android:focusable="true">
+
+            <TextView
+                android:id="@+id/back_gesture_tutorial_fragment_title_view"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_gravity="center_horizontal"
+                android:layout_marginStart="@dimen/back_gesture_tutorial_title_margin_start_end"
+                android:layout_marginEnd="@dimen/back_gesture_tutorial_title_margin_start_end"
+                style="@style/TextAppearance.BackGestureTutorial.Title"/>
+
+            <TextView
+                android:id="@+id/back_gesture_tutorial_fragment_subtitle_view"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_gravity="center_horizontal"
+                android:layout_marginTop="10dp"
+                android:layout_marginStart="@dimen/back_gesture_tutorial_subtitle_margin_start_end"
+                android:layout_marginEnd="@dimen/back_gesture_tutorial_subtitle_margin_start_end"
+                style="@style/TextAppearance.BackGestureTutorial.Subtitle"/>
+
+        </LinearLayout>
+
+        <Space
+            android:layout_width="wrap_content"
+            android:layout_weight="1"
+            android:layout_height="0dp"
+            android:layout_marginTop="48dp"
+            android:layout_gravity="center_horizontal"
+            android:gravity="center_horizontal"
+            android:orientation="vertical"/>
+
+        <!-- android:stateListAnimator="@null" removes shadow and normal on click behavior (increase
+             of elevation and shadow) which is replaced by ripple effect in android:foreground -->
+        <RelativeLayout
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="46dp"
+            android:layout_marginBottom="48dp"
+            android:layout_gravity="center_horizontal">
+
+            <Button
+                android:id="@+id/back_gesture_tutorial_fragment_action_button"
+                android:layout_width="142dp"
+                android:layout_height="49dp"
+                android:layout_marginEnd="@dimen/back_gesture_tutorial_button_margin_start_end"
+                android:layout_alignParentEnd="true"
+                android:stateListAnimator="@null"
+                android:background="@drawable/back_gesture_tutorial_action_button_background"
+                android:foreground="?android:attr/selectableItemBackgroundBorderless"
+                style="@style/TextAppearance.BackGestureTutorial.ButtonLabel"/>
+
+            <Button
+                android:id="@+id/back_gesture_tutorial_fragment_action_text_button"
+                android:layout_width="142dp"
+                android:layout_height="49dp"
+                android:layout_marginStart="@dimen/back_gesture_tutorial_button_margin_start_end"
+                android:layout_alignParentStart="true"
+                android:stateListAnimator="@null"
+                android:background="@null"
+                android:foreground="?android:attr/selectableItemBackgroundBorderless"
+                style="@style/TextAppearance.BackGestureTutorial.TextButtonLabel"/>
+
+        </RelativeLayout>
+
+    </LinearLayout>
+
+</RelativeLayout>
\ No newline at end of file
diff --git a/quickstep/res/values/dimens.xml b/quickstep/res/values/dimens.xml
index 9ff1350..988c78d 100644
--- a/quickstep/res/values/dimens.xml
+++ b/quickstep/res/values/dimens.xml
@@ -77,4 +77,12 @@
 
     <!-- Distance to move elements when swiping up to go home from launcher -->
     <dimen name="home_pullback_distance">28dp</dimen>
+
+    <!-- Overscroll Gesture -->
+    <dimen name="gestures_overscroll_fling_threshold">40dp</dimen>
+
+    <!-- Tips Gesture Tutorial -->
+    <dimen name="back_gesture_tutorial_title_margin_start_end">40dp</dimen>
+    <dimen name="back_gesture_tutorial_subtitle_margin_start_end">16dp</dimen>
+    <dimen name="back_gesture_tutorial_button_margin_start_end">18dp</dimen>
 </resources>
diff --git a/quickstep/res/values/strings.xml b/quickstep/res/values/strings.xml
index 4319b5d..378858f 100644
--- a/quickstep/res/values/strings.xml
+++ b/quickstep/res/values/strings.xml
@@ -66,5 +66,33 @@
     <!-- Text of the tip when user lands in all apps view for the first time, indicating where the tip toast points to is the predicted apps section. [CHAR_LIMIT=50] -->
     <string name="all_apps_prediction_tip">Your predicted apps</string>
 
+    <!-- Content description for a close button. [CHAR LIMIT=NONE] -->
+    <string name="back_gesture_tutorial_close_button_content_description" translatable="false">Close</string>
 
+    <!-- Title shown on the notification of Back gesture tutorial. [CHAR LIMIT=30] -->
+    <string name="back_gesture_tutorial_notification_title" translatable="false">Try the new back gesture</string>
+    <!-- Subtitle shown on the notification of Back gesture tutorial. [CHAR LIMIT=60] -->
+    <string name="back_gesture_tutorial_notification_subtitle" translatable="false">Learn how to go back while using your apps</string>
+    <!-- Action text shown on the notification of Back gesture tutorial. [CHAR LIMIT=14] -->
+    <string name="back_gesture_tutorial_notification_action_label" translatable="false">Try it</string>
+
+    <!-- Title shown during interactive part of Back gesture tutorial for right edge. [CHAR LIMIT=30] -->
+    <string name="back_gesture_tutorial_playground_title_swipe_inward_right_edge" translatable="false">Try the back gesture</string>
+    <!-- Subtitle shown during interactive parts of Back gesture tutorial for right edge. [CHAR LIMIT=60] -->
+    <string name="back_gesture_tutorial_engaged_subtitle_swipe_inward_right_edge" translatable="false">Start at the right edge and swipe toward the middle</string>
+
+    <!-- Title shown during interactive part of Back gesture tutorial for left edge. [CHAR LIMIT=30] -->
+    <string name="back_gesture_tutorial_playground_title_swipe_inward_left_edge" translatable="false">Try the other side</string>
+    <!-- Subtitle shown during interactive parts of Back gesture tutorial for left edge. [CHAR LIMIT=60] -->
+    <string name="back_gesture_tutorial_engaged_subtitle_swipe_inward_left_edge" translatable="false">That\'s it! Now try swiping from the left edge.</string>
+
+    <!-- Title shown on the confirmation screen after successful gesture. [CHAR LIMIT=30] -->
+    <string name="back_gesture_tutorial_confirm_title" translatable="false">All set</string>
+    <!-- Subtitle shown on the confirmation screen after successful gesture. [CHAR LIMIT=60] -->
+    <string name="back_gesture_tutorial_confirm_subtitle" translatable="false">To change the sensitivity of the back gesture, go to Settings</string>
+
+    <!-- Button text shown on a button on the confirm screen. [CHAR LIMIT=14] -->
+    <string name="back_gesture_tutorial_action_button_label" translatable="false">Done</string>
+    <!-- Button text shown on a text button on the confirm screen. [CHAR LIMIT=14] -->
+    <string name="back_gesture_tutorial_action_text_button_label" translatable="false">Settings</string>
 </resources>
\ No newline at end of file
diff --git a/quickstep/res/values/styles.xml b/quickstep/res/values/styles.xml
index bb364ff..c8d7777 100644
--- a/quickstep/res/values/styles.xml
+++ b/quickstep/res/values/styles.xml
@@ -25,4 +25,39 @@
         <item name="android:layout_width">match_parent</item>
         <item name="android:layout_height">wrap_content</item>
     </style>
+
+    <style name="TextAppearance.BackGestureTutorial"
+        parent="android:TextAppearance.Material.Body1" />
+
+    <style name="TextAppearance.BackGestureTutorial.CallToAction"
+        parent="android:TextAppearance.Material.Body2" />
+
+    <style name="TextAppearance.BackGestureTutorial.Title"
+        parent="TextAppearance.BackGestureTutorial">
+        <item name="android:gravity">center</item>
+        <item name="android:textColor">@color/back_gesture_tutorial_title_color</item>
+        <item name="android:textSize">28sp</item>
+    </style>
+
+    <style name="TextAppearance.BackGestureTutorial.Subtitle"
+        parent="TextAppearance.BackGestureTutorial">
+        <item name="android:gravity">center</item>
+        <item name="android:textColor">@color/back_gesture_tutorial_subtitle_color</item>
+        <item name="android:letterSpacing">0.03</item>
+        <item name="android:textSize">21sp</item>
+    </style>
+
+    <style name="TextAppearance.BackGestureTutorial.ButtonLabel"
+        parent="TextAppearance.BackGestureTutorial.CallToAction">
+        <item name="android:gravity">center</item>
+        <item name="android:textColor">@color/back_gesture_tutorial_action_button_label_color</item>
+        <item name="android:letterSpacing">0.02</item>
+        <item name="android:textSize">16sp</item>
+        <item name="android:textAllCaps">false</item>
+    </style>
+
+    <style name="TextAppearance.BackGestureTutorial.TextButtonLabel"
+        parent="TextAppearance.BackGestureTutorial.ButtonLabel">
+        <item name="android:textColor">@color/back_gesture_tutorial_primary_color</item>
+    </style>
 </resources>
\ No newline at end of file
diff --git a/quickstep/res/xml/notification_action.xml b/quickstep/res/xml/notification_action.xml
new file mode 100644
index 0000000..cc3612e
--- /dev/null
+++ b/quickstep/res/xml/notification_action.xml
@@ -0,0 +1,19 @@
+<!--
+    Copyright (C) 2020 The Android Open Source Project
+
+    Licensed under the Apache License, Version 2.0 (the "License");
+    you may not use this file except in compliance with the License.
+    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.
+-->
+<alias xmlns:android="http://schemas.android.com/apk/res/android">
+    <intent
+        android:action="com.android.quickstep.action.BACK_GESTURE_TUTORIAL" />
+</alias>
\ No newline at end of file
diff --git a/res/values/colors.xml b/res/values/colors.xml
index 3c8fe1e..815ae21 100644
--- a/res/values/colors.xml
+++ b/res/values/colors.xml
@@ -37,4 +37,10 @@
 
     <color name="all_apps_bg_hand_fill">#E5E5E5</color>
     <color name="all_apps_bg_hand_fill_dark">#9AA0A6</color>
+
+    <color name="back_gesture_tutorial_background_color">#FFFFFFFF</color>
+    <color name="back_gesture_tutorial_subtitle_color">#99000000</color> <!-- 60% black -->
+    <color name="back_gesture_tutorial_title_color">#FF000000</color>
+    <color name="back_gesture_tutorial_action_button_label_color">#FFFFFFFF</color>
+    <color name="back_gesture_tutorial_primary_color">#1A73E8</color> <!-- Blue -->
 </resources>
diff --git a/robolectric_tests/Android.mk b/robolectric_tests/Android.mk
index 310d43c..86a6e8c 100644
--- a/robolectric_tests/Android.mk
+++ b/robolectric_tests/Android.mk
@@ -19,6 +19,8 @@
 include $(CLEAR_VARS)
 
 LOCAL_MODULE := LauncherRoboTests
+LOCAL_MODULE_CLASS := JAVA_LIBRARIES
+
 LOCAL_SDK_VERSION := current
 LOCAL_SRC_FILES := $(call all-java-files-under, src)
 LOCAL_STATIC_JAVA_LIBRARIES := \
@@ -34,6 +36,9 @@
 LOCAL_INSTRUMENTATION_FOR := Launcher3
 LOCAL_MODULE_TAGS := optional
 
+# Generate test_config.properties
+include external/robolectric-shadows/gen_test_config.mk
+
 include $(BUILD_STATIC_JAVA_LIBRARY)
 
 ############################################
@@ -43,14 +48,11 @@
 
 LOCAL_MODULE := RunLauncherRoboTests
 LOCAL_SDK_VERSION := current
-LOCAL_JAVA_LIBRARIES := \
-    LauncherRoboTests
+LOCAL_JAVA_LIBRARIES := LauncherRoboTests
 
 LOCAL_RESOURCE_DIR := $(LOCAL_PATH)/res
-
 LOCAL_TEST_PACKAGE := Launcher3
-
-LOCAL_INSTRUMENT_SOURCE_DIRS := $(dir $(LOCAL_PATH))../src \
+LOCAL_INSTRUMENT_SOURCE_DIRS := $(dir $(LOCAL_PATH))../src
 
 LOCAL_ROBOTEST_TIMEOUT := 36000
 
diff --git a/robolectric_tests/config/robolectric.properties b/robolectric_tests/config/robolectric.properties
index e0d6e53..932b01b 100644
--- a/robolectric_tests/config/robolectric.properties
+++ b/robolectric_tests/config/robolectric.properties
@@ -1,2 +1 @@
-manifest=packages/apps/Launcher3/AndroidManifest.xml
-sdk=26
+sdk=28
diff --git a/robolectric_tests/src/com/android/launcher3/config/FlagOverrideRule.java b/robolectric_tests/src/com/android/launcher3/config/FlagOverrideRule.java
index 4bb9a53..d33fecd 100644
--- a/robolectric_tests/src/com/android/launcher3/config/FlagOverrideRule.java
+++ b/robolectric_tests/src/com/android/launcher3/config/FlagOverrideRule.java
@@ -14,6 +14,7 @@
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
 import java.lang.annotation.Target;
+import java.util.Arrays;
 import java.util.HashMap;
 import java.util.Map;
 import java.util.function.Function;
@@ -35,6 +36,8 @@
  */
 public final class FlagOverrideRule implements TestRule {
 
+    private final HashMap<String, Boolean> mDefaultOverrides = new HashMap<>();
+
     /**
      * Container annotation for handling multiple {@link FlagOverride} annotations.
      * <p>
@@ -60,6 +63,14 @@
         return new MyStatement(base, description);
     }
 
+    /**
+     * Sets a default override to apply on all tests
+     */
+    public FlagOverrideRule setOverride(BaseTogglableFlag flag, boolean value) {
+        mDefaultOverrides.put(flag.getKey(), value);
+        return this;
+    }
+
     private class MyStatement extends Statement {
 
         private final Statement mBase;
@@ -87,11 +98,15 @@
                         overrides = ((FlagOverrides) annotation).value();
                     }
                 }
-                for (FlagOverride override : overrides) {
-                    BaseTogglableFlag flag = allFlags.get(override.key());
+
+                HashMap<String, Boolean> allOverrides = new HashMap<>(mDefaultOverrides);
+                Arrays.stream(overrides).forEach(o -> allOverrides.put(o.key(), o.value()));
+
+                allOverrides.forEach((key, val) -> {
+                    BaseTogglableFlag flag = allFlags.get(key);
                     changedValues.put(flag, flag.get());
-                    flag.setForTests(override.value());
-                }
+                    flag.setForTests(val);
+                });
                 mBase.evaluate();
             } finally {
                 // Clear the values
diff --git a/robolectric_tests/src/com/android/launcher3/config/FlagOverrideSampleTest.java b/robolectric_tests/src/com/android/launcher3/config/FlagOverrideSampleTest.java
index 31a037b..2a359df 100644
--- a/robolectric_tests/src/com/android/launcher3/config/FlagOverrideSampleTest.java
+++ b/robolectric_tests/src/com/android/launcher3/config/FlagOverrideSampleTest.java
@@ -4,16 +4,16 @@
 import static org.junit.Assert.assertTrue;
 
 import com.android.launcher3.config.FlagOverrideRule.FlagOverride;
+import com.android.launcher3.util.LauncherRoboTestRunner;
 
 import org.junit.Rule;
 import org.junit.Test;
 import org.junit.runner.RunWith;
-import org.robolectric.RobolectricTestRunner;
 
 /**
  * Sample Robolectric test that demonstrates flag-overriding.
  */
-@RunWith(RobolectricTestRunner.class)
+@RunWith(LauncherRoboTestRunner.class)
 public class FlagOverrideSampleTest {
 
     // Check out https://junit.org/junit4/javadoc/4.12/org/junit/Rule.html for more information
diff --git a/robolectric_tests/src/com/android/launcher3/logging/FileLogTest.java b/robolectric_tests/src/com/android/launcher3/logging/FileLogTest.java
index 410a077..48b5a45 100644
--- a/robolectric_tests/src/com/android/launcher3/logging/FileLogTest.java
+++ b/robolectric_tests/src/com/android/launcher3/logging/FileLogTest.java
@@ -3,11 +3,12 @@
 import static org.junit.Assert.assertFalse;
 import static org.junit.Assert.assertTrue;
 
+import com.android.launcher3.util.LauncherRoboTestRunner;
+
 import org.junit.After;
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
-import org.robolectric.RobolectricTestRunner;
 import org.robolectric.RuntimeEnvironment;
 import org.robolectric.Shadows;
 import org.robolectric.util.Scheduler;
@@ -20,7 +21,7 @@
 /**
  * Tests for {@link FileLog}
  */
-@RunWith(RobolectricTestRunner.class)
+@RunWith(LauncherRoboTestRunner.class)
 public class FileLogTest {
 
     private File mTempDir;
diff --git a/robolectric_tests/src/com/android/launcher3/model/AddWorkspaceItemsTaskTest.java b/robolectric_tests/src/com/android/launcher3/model/AddWorkspaceItemsTaskTest.java
index d7a2278..ea7c137 100644
--- a/robolectric_tests/src/com/android/launcher3/model/AddWorkspaceItemsTaskTest.java
+++ b/robolectric_tests/src/com/android/launcher3/model/AddWorkspaceItemsTaskTest.java
@@ -4,54 +4,70 @@
 import static org.junit.Assert.assertFalse;
 import static org.junit.Assert.assertTrue;
 import static org.mockito.Mockito.any;
+import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.verify;
 
 import android.content.ComponentName;
+import android.content.Context;
 import android.content.Intent;
 import android.graphics.Rect;
 import android.util.Pair;
 
+import com.android.launcher3.InvariantDeviceProfile;
 import com.android.launcher3.ItemInfo;
+import com.android.launcher3.LauncherAppState;
 import com.android.launcher3.LauncherSettings;
 import com.android.launcher3.LauncherSettings.Favorites;
 import com.android.launcher3.WorkspaceItemInfo;
+import com.android.launcher3.model.BgDataModel.Callbacks;
 import com.android.launcher3.util.ContentWriter;
 import com.android.launcher3.util.GridOccupancy;
 import com.android.launcher3.util.IntArray;
 import com.android.launcher3.util.IntSparseArrayMap;
+import com.android.launcher3.util.LauncherModelHelper;
+import com.android.launcher3.util.LauncherRoboTestRunner;
 
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.mockito.ArgumentCaptor;
-import org.robolectric.RobolectricTestRunner;
+import org.robolectric.RuntimeEnvironment;
+import org.robolectric.annotation.LooperMode;
+import org.robolectric.annotation.LooperMode.Mode;
 
 import java.util.ArrayList;
 import java.util.List;
-import java.util.concurrent.ExecutorService;
-import java.util.concurrent.Executors;
 
 /**
  * Tests for {@link AddWorkspaceItemsTask}
  */
-@RunWith(RobolectricTestRunner.class)
-public class AddWorkspaceItemsTaskTest extends BaseModelUpdateTaskTestCase {
+@RunWith(LauncherRoboTestRunner.class)
+@LooperMode(Mode.PAUSED)
+public class AddWorkspaceItemsTaskTest {
 
     private final ComponentName mComponent1 = new ComponentName("a", "b");
     private final ComponentName mComponent2 = new ComponentName("b", "b");
 
-    private IntArray existingScreens;
-    private IntArray newScreens;
-    private IntSparseArrayMap<GridOccupancy> screenOccupancy;
+    private Context mTargetContext;
+    private InvariantDeviceProfile mIdp;
+    private LauncherAppState mAppState;
+    private LauncherModelHelper mModelHelper;
+
+    private IntArray mExistingScreens;
+    private IntArray mNewScreens;
+    private IntSparseArrayMap<GridOccupancy> mScreenOccupancy;
 
     @Before
-    public void initData() throws Exception {
-        existingScreens = new IntArray();
-        screenOccupancy = new IntSparseArrayMap<>();
-        newScreens = new IntArray();
+    public void setup() {
+        mModelHelper = new LauncherModelHelper();
+        mTargetContext = RuntimeEnvironment.application;
+        mIdp = InvariantDeviceProfile.INSTANCE.get(mTargetContext);
+        mIdp.numColumns = mIdp.numRows = 5;
+        mAppState = LauncherAppState.getInstance(mTargetContext);
 
-        idp.numColumns = 5;
-        idp.numRows = 5;
+        mExistingScreens = new IntArray();
+        mScreenOccupancy = new IntSparseArrayMap<>();
+        mNewScreens = new IntArray();
     }
 
     private AddWorkspaceItemsTask newTask(ItemInfo... items) {
@@ -70,17 +86,17 @@
         // Second screen has 2 holes of sizes 3x2 and 2x3
         setupWorkspaceWithHoles(nextId, 2, new Rect(2, 0, 5, 2), new Rect(0, 2, 2, 5));
 
-        int[] spaceFound = newTask()
-                .findSpaceForItem(appState, bgDataModel, existingScreens, newScreens, 1, 1);
+        int[] spaceFound = newTask().findSpaceForItem(
+                mAppState, mModelHelper.getBgDataModel(), mExistingScreens, mNewScreens, 1, 1);
         assertEquals(2, spaceFound[0]);
-        assertTrue(screenOccupancy.get(spaceFound[0])
+        assertTrue(mScreenOccupancy.get(spaceFound[0])
                 .isRegionVacant(spaceFound[1], spaceFound[2], 1, 1));
 
         // Find a larger space
-        spaceFound = newTask()
-                .findSpaceForItem(appState, bgDataModel, existingScreens, newScreens, 2, 3);
+        spaceFound = newTask().findSpaceForItem(
+                mAppState, mModelHelper.getBgDataModel(), mExistingScreens, mNewScreens, 2, 3);
         assertEquals(2, spaceFound[0]);
-        assertTrue(screenOccupancy.get(spaceFound[0])
+        assertTrue(mScreenOccupancy.get(spaceFound[0])
                 .isRegionVacant(spaceFound[1], spaceFound[2], 2, 3));
     }
 
@@ -89,11 +105,11 @@
         // First screen has 2 holes of sizes 3x2 and 2x3
         setupWorkspaceWithHoles(1, 1, new Rect(2, 0, 5, 2), new Rect(0, 2, 2, 5));
 
-        IntArray oldScreens = existingScreens.clone();
-        int[] spaceFound = newTask()
-                .findSpaceForItem(appState, bgDataModel, existingScreens, newScreens, 3, 3);
+        IntArray oldScreens = mExistingScreens.clone();
+        int[] spaceFound = newTask().findSpaceForItem(
+                mAppState, mModelHelper.getBgDataModel(), mExistingScreens, mNewScreens, 3, 3);
         assertFalse(oldScreens.contains(spaceFound[0]));
-        assertTrue(newScreens.contains(spaceFound[0]));
+        assertTrue(mNewScreens.contains(spaceFound[0]));
     }
 
     @Test
@@ -105,11 +121,14 @@
         setupWorkspaceWithHoles(1, 1, new Rect(2, 2, 3, 3));
 
         // Nothing was added
-        assertTrue(executeTaskForTest(newTask(info)).isEmpty());
+        assertTrue(mModelHelper.executeTaskForTest(newTask(info)).isEmpty());
     }
 
     @Test
     public void testAddItem_some_items_added() throws Exception {
+        Callbacks callbacks = mock(Callbacks.class);
+        mModelHelper.getModel().initialize(callbacks);
+
         WorkspaceItemInfo info = new WorkspaceItemInfo();
         info.intent = new Intent().setComponent(mComponent1);
 
@@ -119,7 +138,7 @@
         // Setup a screen with a hole
         setupWorkspaceWithHoles(1, 1, new Rect(2, 2, 3, 3));
 
-        executeTaskForTest(newTask(info, info2)).get(0).run();
+        mModelHelper.executeTaskForTest(newTask(info, info2)).get(0).run();
         ArgumentCaptor<ArrayList> notAnimated = ArgumentCaptor.forClass(ArrayList.class);
         ArgumentCaptor<ArrayList> animated = ArgumentCaptor.forClass(ArrayList.class);
 
@@ -134,18 +153,23 @@
     }
 
     private int setupWorkspaceWithHoles(int startId, int screenId, Rect... holes) throws Exception {
-        GridOccupancy occupancy = new GridOccupancy(idp.numColumns, idp.numRows);
-        occupancy.markCells(0, 0, idp.numColumns, idp.numRows, true);
+        return mModelHelper.executeSimpleTask(
+                model -> writeWorkspaceWithHoles(model, startId, screenId, holes));
+    }
+
+    private int writeWorkspaceWithHoles(
+            BgDataModel bgDataModel, int startId, int screenId, Rect... holes) {
+        GridOccupancy occupancy = new GridOccupancy(mIdp.numColumns, mIdp.numRows);
+        occupancy.markCells(0, 0, mIdp.numColumns, mIdp.numRows, true);
         for (Rect r : holes) {
             occupancy.markCells(r, false);
         }
 
-        existingScreens.add(screenId);
-        screenOccupancy.append(screenId, occupancy);
+        mExistingScreens.add(screenId);
+        mScreenOccupancy.append(screenId, occupancy);
 
-        ExecutorService executor = Executors.newSingleThreadExecutor();
-        for (int x = 0; x < idp.numColumns; x++) {
-            for (int y = 0; y < idp.numRows; y++) {
+        for (int x = 0; x < mIdp.numColumns; x++) {
+            for (int y = 0; y < mIdp.numRows; y++) {
                 if (!occupancy.cells[x][y]) {
                     continue;
                 }
@@ -157,20 +181,15 @@
                 info.cellX = x;
                 info.cellY = y;
                 info.container = LauncherSettings.Favorites.CONTAINER_DESKTOP;
-                bgDataModel.addItem(targetContext, info, false);
+                bgDataModel.addItem(mTargetContext, info, false);
 
-                executor.execute(() -> {
-                    ContentWriter writer = new ContentWriter(targetContext);
-                    info.writeToValues(writer);
-                    writer.put(Favorites._ID, info.id);
-                    targetContext.getContentResolver().insert(Favorites.CONTENT_URI,
-                            writer.getValues(targetContext));
-                });
+                ContentWriter writer = new ContentWriter(mTargetContext);
+                info.writeToValues(writer);
+                writer.put(Favorites._ID, info.id);
+                mTargetContext.getContentResolver().insert(Favorites.CONTENT_URI,
+                        writer.getValues(mTargetContext));
             }
         }
-
-        executor.submit(() -> null).get();
-        executor.shutdown();
         return startId;
     }
 }
diff --git a/robolectric_tests/src/com/android/launcher3/model/BaseGridChangesTestCase.java b/robolectric_tests/src/com/android/launcher3/model/BaseGridChangesTestCase.java
deleted file mode 100644
index 07834fc..0000000
--- a/robolectric_tests/src/com/android/launcher3/model/BaseGridChangesTestCase.java
+++ /dev/null
@@ -1,121 +0,0 @@
-package com.android.launcher3.model;
-
-import android.content.ContentValues;
-import android.content.Context;
-import android.content.Intent;
-import android.database.sqlite.SQLiteDatabase;
-
-import com.android.launcher3.LauncherProvider;
-import com.android.launcher3.LauncherSettings;
-import com.android.launcher3.util.TestLauncherProvider;
-
-import org.junit.Before;
-import org.robolectric.Robolectric;
-import org.robolectric.RuntimeEnvironment;
-import org.robolectric.shadows.ShadowContentResolver;
-import org.robolectric.shadows.ShadowLog;
-
-public abstract class BaseGridChangesTestCase {
-
-
-    public static final int DESKTOP = LauncherSettings.Favorites.CONTAINER_DESKTOP;
-    public static final int HOTSEAT = LauncherSettings.Favorites.CONTAINER_HOTSEAT;
-
-    public static final int APP_ICON = LauncherSettings.Favorites.ITEM_TYPE_APPLICATION;
-    public static final int SHORTCUT = LauncherSettings.Favorites.ITEM_TYPE_SHORTCUT;
-    public static final int NO__ICON = -1;
-
-    public static final String TEST_PACKAGE = "com.android.launcher3.validpackage";
-
-    public Context mContext;
-    public TestLauncherProvider mProvider;
-    public SQLiteDatabase mDb;
-
-    @Before
-    public void setUpBaseCase() {
-        ShadowLog.stream = System.out;
-
-        mContext = RuntimeEnvironment.application;
-        mProvider = Robolectric.setupContentProvider(TestLauncherProvider.class);
-        ShadowContentResolver.registerProviderInternal(LauncherProvider.AUTHORITY, mProvider);
-        mDb = mProvider.getDb();
-    }
-
-    /**
-     * Adds a dummy item in the DB.
-     * @param type {@link #APP_ICON} or {@link #SHORTCUT} or >= 2 for
-     *             folder (where the type represents the number of items in the folder).
-     */
-    public int addItem(int type, int screen, int container, int x, int y) {
-        int id = LauncherSettings.Settings.call(mContext.getContentResolver(),
-                LauncherSettings.Settings.METHOD_NEW_ITEM_ID)
-                .getInt(LauncherSettings.Settings.EXTRA_VALUE);
-
-        ContentValues values = new ContentValues();
-        values.put(LauncherSettings.Favorites._ID, id);
-        values.put(LauncherSettings.Favorites.CONTAINER, container);
-        values.put(LauncherSettings.Favorites.SCREEN, screen);
-        values.put(LauncherSettings.Favorites.CELLX, x);
-        values.put(LauncherSettings.Favorites.CELLY, y);
-        values.put(LauncherSettings.Favorites.SPANX, 1);
-        values.put(LauncherSettings.Favorites.SPANY, 1);
-
-        if (type == APP_ICON || type == SHORTCUT) {
-            values.put(LauncherSettings.Favorites.ITEM_TYPE, type);
-            values.put(LauncherSettings.Favorites.INTENT,
-                    new Intent(Intent.ACTION_MAIN).setPackage(TEST_PACKAGE).toUri(0));
-        } else {
-            values.put(LauncherSettings.Favorites.ITEM_TYPE,
-                    LauncherSettings.Favorites.ITEM_TYPE_FOLDER);
-            // Add folder items.
-            for (int i = 0; i < type; i++) {
-                addItem(APP_ICON, 0, id, 0, 0);
-            }
-        }
-
-        mContext.getContentResolver().insert(LauncherSettings.Favorites.CONTENT_URI, values);
-        return id;
-    }
-
-    public int[][][] createGrid(int[][][] typeArray) {
-        return createGrid(typeArray, 1);
-    }
-
-    /**
-     * Initializes the DB with dummy elements to represent the provided grid structure.
-     * @param typeArray A 3d array of item types. {@see #addItem(int, long, long, int, int)} for
-     *                  type definitions. The first dimension represents the screens and the next
-     *                  two represent the workspace grid.
-     * @param startScreen First screen id from where the icons will be added.
-     * @return the same grid representation where each entry is the corresponding item id.
-     */
-    public int[][][] createGrid(int[][][] typeArray, int startScreen) {
-        LauncherSettings.Settings.call(mContext.getContentResolver(),
-                LauncherSettings.Settings.METHOD_CREATE_EMPTY_DB);
-        int[][][] ids = new int[typeArray.length][][];
-
-        for (int i = 0; i < typeArray.length; i++) {
-            // Add screen to DB
-            int screenId = startScreen + i;
-
-            // Keep the screen id counter up to date
-            LauncherSettings.Settings.call(mContext.getContentResolver(),
-                    LauncherSettings.Settings.METHOD_NEW_SCREEN_ID);
-
-            ids[i] = new int[typeArray[i].length][];
-            for (int y = 0; y < typeArray[i].length; y++) {
-                ids[i][y] = new int[typeArray[i][y].length];
-                for (int x = 0; x < typeArray[i][y].length; x++) {
-                    if (typeArray[i][y][x] < 0) {
-                        // Empty cell
-                        ids[i][y][x] = -1;
-                    } else {
-                        ids[i][y][x] = addItem(typeArray[i][y][x], screenId, DESKTOP, x, y);
-                    }
-                }
-            }
-        }
-
-        return ids;
-    }
-}
diff --git a/robolectric_tests/src/com/android/launcher3/model/BaseModelUpdateTaskTestCase.java b/robolectric_tests/src/com/android/launcher3/model/BaseModelUpdateTaskTestCase.java
deleted file mode 100644
index 012258d..0000000
--- a/robolectric_tests/src/com/android/launcher3/model/BaseModelUpdateTaskTestCase.java
+++ /dev/null
@@ -1,231 +0,0 @@
-package com.android.launcher3.model;
-
-import static com.android.launcher3.shadows.ShadowLooperExecutor.reinitializeStaticExecutors;
-
-import static org.mockito.Matchers.anyBoolean;
-import static org.mockito.Mockito.atLeast;
-import static org.mockito.Mockito.mock;
-import static org.mockito.Mockito.verify;
-import static org.mockito.Mockito.when;
-
-import android.content.ComponentName;
-import android.content.Context;
-import android.content.Intent;
-import android.graphics.Bitmap;
-import android.graphics.Bitmap.Config;
-import android.graphics.Color;
-import android.os.Process;
-import android.os.UserHandle;
-
-import androidx.annotation.NonNull;
-
-import com.android.launcher3.AppFilter;
-import com.android.launcher3.AppInfo;
-import com.android.launcher3.InvariantDeviceProfile;
-import com.android.launcher3.ItemInfo;
-import com.android.launcher3.LauncherAppState;
-import com.android.launcher3.LauncherModel;
-import com.android.launcher3.LauncherModel.ModelUpdateTask;
-import com.android.launcher3.LauncherProvider;
-import com.android.launcher3.icons.BitmapInfo;
-import com.android.launcher3.icons.IconCache;
-import com.android.launcher3.icons.cache.CachingLogic;
-import com.android.launcher3.model.BgDataModel.Callbacks;
-import com.android.launcher3.pm.InstallSessionHelper;
-import com.android.launcher3.util.ComponentKey;
-import com.android.launcher3.util.TestLauncherProvider;
-
-import org.junit.Before;
-import org.mockito.ArgumentCaptor;
-import org.robolectric.Robolectric;
-import org.robolectric.RuntimeEnvironment;
-import org.robolectric.shadows.ShadowContentResolver;
-import org.robolectric.shadows.ShadowLog;
-
-import java.io.BufferedReader;
-import java.io.InputStreamReader;
-import java.lang.reflect.Field;
-import java.util.HashMap;
-import java.util.List;
-import java.util.concurrent.Executor;
-import java.util.function.Supplier;
-
-/**
- * Base class for writing tests for Model update tasks.
- */
-public class BaseModelUpdateTaskTestCase {
-
-    public final HashMap<Class, HashMap<String, Field>> fieldCache = new HashMap<>();
-    public TestLauncherProvider provider;
-
-    public Context targetContext;
-    public UserHandle myUser;
-
-    public InvariantDeviceProfile idp;
-    public LauncherAppState appState;
-    public LauncherModel model;
-    public ModelWriter modelWriter;
-    public MyIconCache iconCache;
-
-    public BgDataModel bgDataModel;
-    public AllAppsList allAppsList;
-    public Callbacks callbacks;
-
-    @Before
-    public void setUp() throws Exception {
-        ShadowLog.stream = System.out;
-        reinitializeStaticExecutors();
-        InstallSessionHelper.INSTANCE.initializeForTesting(null);
-
-        provider = Robolectric.setupContentProvider(TestLauncherProvider.class);
-        ShadowContentResolver.registerProviderInternal(LauncherProvider.AUTHORITY, provider);
-
-        callbacks = mock(Callbacks.class);
-        appState = mock(LauncherAppState.class);
-        model = mock(LauncherModel.class);
-        modelWriter = mock(ModelWriter.class);
-
-        LauncherAppState.INSTANCE.initializeForTesting(appState);
-        when(appState.getModel()).thenReturn(model);
-        when(model.getWriter(anyBoolean(), anyBoolean())).thenReturn(modelWriter);
-        when(model.getCallback()).thenReturn(callbacks);
-
-        myUser = Process.myUserHandle();
-
-        bgDataModel = new BgDataModel();
-        targetContext = RuntimeEnvironment.application;
-
-        idp = new InvariantDeviceProfile();
-        iconCache = new MyIconCache(targetContext, idp);
-
-        allAppsList = new AllAppsList(iconCache, new AppFilter());
-
-        when(appState.getIconCache()).thenReturn(iconCache);
-        when(appState.getInvariantDeviceProfile()).thenReturn(idp);
-        when(appState.getContext()).thenReturn(targetContext);
-    }
-
-    /**
-     * Synchronously executes the task and returns all the UI callbacks posted.
-     */
-    public List<Runnable> executeTaskForTest(ModelUpdateTask task) throws Exception {
-        when(model.isModelLoaded()).thenReturn(true);
-
-        Executor mockExecutor = mock(Executor.class);
-
-        task.init(appState, model, bgDataModel, allAppsList, mockExecutor);
-        task.run();
-        ArgumentCaptor<Runnable> captor = ArgumentCaptor.forClass(Runnable.class);
-        verify(mockExecutor, atLeast(0)).execute(captor.capture());
-
-        return captor.getAllValues();
-    }
-
-    /**
-     * Initializes mock data for the test.
-     */
-    public void initializeData(String resourceName) throws Exception {
-        try (BufferedReader reader = new BufferedReader(new InputStreamReader(
-                this.getClass().getResourceAsStream(resourceName)))) {
-            String line;
-            HashMap<String, Class> classMap = new HashMap<>();
-            while((line = reader.readLine()) != null) {
-                line = line.trim();
-                if (line.startsWith("#") || line.isEmpty()) {
-                    continue;
-                }
-                String[] commands = line.split(" ");
-                switch (commands[0]) {
-                    case "classMap":
-                        classMap.put(commands[1], Class.forName(commands[2]));
-                        break;
-                    case "bgItem":
-                        bgDataModel.addItem(targetContext,
-                                (ItemInfo) initItem(classMap.get(commands[1]), commands, 2), false);
-                        break;
-                    case "allApps":
-                        allAppsList.add((AppInfo) initItem(AppInfo.class, commands, 1), null);
-                        break;
-                }
-            }
-        }
-    }
-
-    private Object initItem(Class clazz, String[] fieldDef, int startIndex) throws Exception {
-        HashMap<String, Field> cache = fieldCache.get(clazz);
-        if (cache == null) {
-            cache = new HashMap<>();
-            Class c = clazz;
-            while (c != null) {
-                for (Field f : c.getDeclaredFields()) {
-                    f.setAccessible(true);
-                    cache.put(f.getName(), f);
-                }
-                c = c.getSuperclass();
-            }
-            fieldCache.put(clazz, cache);
-        }
-
-        Object item = clazz.newInstance();
-        for (int i = startIndex; i < fieldDef.length; i++) {
-            String[] fieldData = fieldDef[i].split("=", 2);
-            Field f = cache.get(fieldData[0]);
-            Class type = f.getType();
-            if (type == int.class || type == long.class) {
-                f.set(item, Integer.parseInt(fieldData[1]));
-            } else if (type == CharSequence.class || type == String.class) {
-                f.set(item, fieldData[1]);
-            } else if (type == Intent.class) {
-                if (!fieldData[1].startsWith("#Intent")) {
-                    fieldData[1] = "#Intent;" + fieldData[1] + ";end";
-                }
-                f.set(item, Intent.parseUri(fieldData[1], 0));
-            } else if (type == ComponentName.class) {
-                f.set(item, ComponentName.unflattenFromString(fieldData[1]));
-            } else {
-                throw new Exception("Added parsing logic for "
-                        + f.getName() + " of type " + f.getType());
-            }
-        }
-        return item;
-    }
-
-    public static class MyIconCache extends IconCache {
-
-        private final HashMap<ComponentKey, CacheEntry> mCache = new HashMap<>();
-
-        public MyIconCache(Context context, InvariantDeviceProfile idp) {
-            super(context, idp);
-        }
-
-        @Override
-        protected <T> CacheEntry cacheLocked(
-                @NonNull ComponentName componentName,
-                UserHandle user, @NonNull Supplier<T> infoProvider,
-                @NonNull CachingLogic<T> cachingLogic,
-                boolean usePackageIcon, boolean useLowResIcon) {
-            CacheEntry entry = mCache.get(new ComponentKey(componentName, user));
-            if (entry == null) {
-                entry = new CacheEntry();
-                entry.bitmap = getDefaultIcon(user);
-            }
-            return entry;
-        }
-
-        public void addCache(ComponentName key, String title) {
-            CacheEntry entry = new CacheEntry();
-            entry.bitmap = BitmapInfo.of(newIcon(), Color.RED);
-            entry.title = title;
-            mCache.put(new ComponentKey(key, Process.myUserHandle()), entry);
-        }
-
-        public Bitmap newIcon() {
-            return Bitmap.createBitmap(1, 1, Config.ARGB_8888);
-        }
-
-        @Override
-        public synchronized BitmapInfo getDefaultIcon(UserHandle user) {
-            return BitmapInfo.fromBitmap(newIcon());
-        }
-    }
-}
diff --git a/robolectric_tests/src/com/android/launcher3/model/CacheDataUpdatedTaskTest.java b/robolectric_tests/src/com/android/launcher3/model/CacheDataUpdatedTaskTest.java
index 69c5b00..f128e24 100644
--- a/robolectric_tests/src/com/android/launcher3/model/CacheDataUpdatedTaskTest.java
+++ b/robolectric_tests/src/com/android/launcher3/model/CacheDataUpdatedTaskTest.java
@@ -5,15 +5,34 @@
 import static org.junit.Assert.assertNotSame;
 import static org.junit.Assert.assertTrue;
 
+import android.content.ComponentName;
+import android.content.Context;
+import android.content.pm.PackageInfo;
+import android.graphics.Bitmap;
+import android.graphics.Bitmap.Config;
+import android.graphics.Color;
+import android.os.Process;
+import android.os.UserHandle;
+import android.os.UserManager;
+
+import androidx.annotation.NonNull;
+
 import com.android.launcher3.AppInfo;
 import com.android.launcher3.ItemInfo;
+import com.android.launcher3.LauncherAppState;
 import com.android.launcher3.WorkspaceItemInfo;
 import com.android.launcher3.icons.BitmapInfo;
+import com.android.launcher3.icons.IconCache;
+import com.android.launcher3.icons.cache.CachingLogic;
+import com.android.launcher3.util.LauncherModelHelper;
+import com.android.launcher3.util.LauncherRoboTestRunner;
 
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
-import org.robolectric.RobolectricTestRunner;
+import org.robolectric.RuntimeEnvironment;
+import org.robolectric.annotation.LooperMode;
+import org.robolectric.annotation.LooperMode.Mode;
 
 import java.util.Arrays;
 import java.util.HashSet;
@@ -21,40 +40,73 @@
 /**
  * Tests for {@link CacheDataUpdatedTask}
  */
-@RunWith(RobolectricTestRunner.class)
-public class CacheDataUpdatedTaskTest extends BaseModelUpdateTaskTestCase {
+@RunWith(LauncherRoboTestRunner.class)
+@LooperMode(Mode.PAUSED)
+public class CacheDataUpdatedTaskTest {
 
     private static final String NEW_LABEL_PREFIX = "new-label-";
 
+    private LauncherModelHelper mModelHelper;
+
     @Before
-    public void initData() throws Exception {
-        initializeData("/cache_data_updated_task_data.txt");
+    public void setup() throws Exception {
+        mModelHelper = new LauncherModelHelper();
+        mModelHelper.initializeData("/cache_data_updated_task_data.txt");
+
         // Add dummy entries in the cache to simulate update
-        for (ItemInfo info : bgDataModel.itemsIdMap) {
-            iconCache.addCache(info.getTargetComponent(), NEW_LABEL_PREFIX + info.id);
+        Context context = RuntimeEnvironment.application;
+        IconCache iconCache = LauncherAppState.getInstance(context).getIconCache();
+        CachingLogic<ItemInfo> dummyLogic = new CachingLogic<ItemInfo>() {
+            @Override
+            public ComponentName getComponent(ItemInfo info) {
+                return info.getTargetComponent();
+            }
+
+            @Override
+            public UserHandle getUser(ItemInfo info) {
+                return info.user;
+            }
+
+            @Override
+            public CharSequence getLabel(ItemInfo info) {
+                return NEW_LABEL_PREFIX + info.id;
+            }
+
+            @NonNull
+            @Override
+            public BitmapInfo loadIcon(Context context, ItemInfo info) {
+                return BitmapInfo.of(Bitmap.createBitmap(1, 1, Config.ARGB_8888), Color.RED);
+            }
+        };
+
+        UserManager um = context.getSystemService(UserManager.class);
+        for (ItemInfo info : mModelHelper.getBgDataModel().itemsIdMap) {
+            iconCache.addIconToDBAndMemCache(info, dummyLogic, new PackageInfo(),
+                    um.getSerialNumberForUser(info.user), true);
         }
     }
 
     private CacheDataUpdatedTask newTask(int op, String... pkg) {
-        return new CacheDataUpdatedTask(op, myUser, new HashSet<>(Arrays.asList(pkg)));
+        return new CacheDataUpdatedTask(op, Process.myUserHandle(),
+                new HashSet<>(Arrays.asList(pkg)));
     }
 
     @Test
     public void testCacheUpdate_update_apps() throws Exception {
         // Clear all icons from apps list so that its easy to check what was updated
-        for (AppInfo info : allAppsList.data) {
+        for (AppInfo info : mModelHelper.getAllAppsList().data) {
             info.bitmap = BitmapInfo.LOW_RES_INFO;
         }
 
-        executeTaskForTest(newTask(CacheDataUpdatedTask.OP_CACHE_UPDATE, "app1"));
+        mModelHelper.executeTaskForTest(newTask(CacheDataUpdatedTask.OP_CACHE_UPDATE, "app1"));
 
         // Verify that only the app icons of app1 (id 1 & 2) are updated. Custom shortcut (id 7)
         // is not updated
         verifyUpdate(1, 2);
 
         // Verify that only app1 var updated in allAppsList
-        assertFalse(allAppsList.data.isEmpty());
-        for (AppInfo info : allAppsList.data) {
+        assertFalse(mModelHelper.getAllAppsList().data.isEmpty());
+        for (AppInfo info : mModelHelper.getAllAppsList().data) {
             if (info.componentName.getPackageName().equals("app1")) {
                 assertFalse(info.bitmap.isNullOrLowRes());
             } else {
@@ -65,7 +117,7 @@
 
     @Test
     public void testSessionUpdate_ignores_normal_apps() throws Exception {
-        executeTaskForTest(newTask(CacheDataUpdatedTask.OP_SESSION_UPDATE, "app1"));
+        mModelHelper.executeTaskForTest(newTask(CacheDataUpdatedTask.OP_SESSION_UPDATE, "app1"));
 
         // app1 has no restored shortcuts. Verify that nothing was updated.
         verifyUpdate();
@@ -73,7 +125,7 @@
 
     @Test
     public void testSessionUpdate_updates_pending_apps() throws Exception {
-        executeTaskForTest(newTask(CacheDataUpdatedTask.OP_SESSION_UPDATE, "app3"));
+        mModelHelper.executeTaskForTest(newTask(CacheDataUpdatedTask.OP_SESSION_UPDATE, "app3"));
 
         // app3 has only restored apps (id 5, 6) and shortcuts (id 9). Verify that only apps were
         // were updated
@@ -82,7 +134,7 @@
 
     private void verifyUpdate(Integer... idsUpdated) {
         HashSet<Integer> updates = new HashSet<>(Arrays.asList(idsUpdated));
-        for (ItemInfo info : bgDataModel.itemsIdMap) {
+        for (ItemInfo info : mModelHelper.getBgDataModel().itemsIdMap) {
             if (updates.contains(info.id)) {
                 assertEquals(NEW_LABEL_PREFIX + info.id, info.title);
                 assertFalse(((WorkspaceItemInfo) info).bitmap.isNullOrLowRes());
diff --git a/robolectric_tests/src/com/android/launcher3/model/DbDowngradeHelperTest.java b/robolectric_tests/src/com/android/launcher3/model/DbDowngradeHelperTest.java
index b7340cf..1442c55 100644
--- a/robolectric_tests/src/com/android/launcher3/model/DbDowngradeHelperTest.java
+++ b/robolectric_tests/src/com/android/launcher3/model/DbDowngradeHelperTest.java
@@ -36,11 +36,11 @@
 import com.android.launcher3.LauncherProvider.DatabaseHelper;
 import com.android.launcher3.LauncherSettings.Favorites;
 import com.android.launcher3.R;
+import com.android.launcher3.util.LauncherRoboTestRunner;
 
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
-import org.robolectric.RobolectricTestRunner;
 import org.robolectric.RuntimeEnvironment;
 
 import java.io.File;
@@ -48,7 +48,7 @@
 /**
  * Tests for {@link DbDowngradeHelper}
  */
-@RunWith(RobolectricTestRunner.class)
+@RunWith(LauncherRoboTestRunner.class)
 public class DbDowngradeHelperTest {
 
     private static final String SCHEMA_FILE = "test_schema.json";
diff --git a/robolectric_tests/src/com/android/launcher3/model/DefaultLayoutProviderTest.java b/robolectric_tests/src/com/android/launcher3/model/DefaultLayoutProviderTest.java
index 68713d8..e0ddcb1 100644
--- a/robolectric_tests/src/com/android/launcher3/model/DefaultLayoutProviderTest.java
+++ b/robolectric_tests/src/com/android/launcher3/model/DefaultLayoutProviderTest.java
@@ -22,6 +22,7 @@
 import static org.robolectric.util.ReflectionHelpers.setField;
 
 import android.content.ComponentName;
+import android.content.Context;
 import android.content.pm.PackageInstaller;
 import android.content.pm.PackageInstaller.SessionInfo;
 import android.content.pm.PackageInstaller.SessionParams;
@@ -31,23 +32,20 @@
 import com.android.launcher3.FolderInfo;
 import com.android.launcher3.InvariantDeviceProfile;
 import com.android.launcher3.ItemInfo;
+import com.android.launcher3.LauncherAppState;
 import com.android.launcher3.LauncherProvider;
 import com.android.launcher3.LauncherSettings;
 import com.android.launcher3.icons.BitmapInfo;
-import com.android.launcher3.pm.InstallSessionHelper;
-import com.android.launcher3.shadows.LShadowLauncherApps;
-import com.android.launcher3.shadows.LShadowUserManager;
-import com.android.launcher3.shadows.ShadowLooperExecutor;
+import com.android.launcher3.model.BgDataModel.Callbacks;
 import com.android.launcher3.util.Executors;
 import com.android.launcher3.util.LauncherLayoutBuilder;
-import com.android.launcher3.widget.custom.CustomWidgetManager;
+import com.android.launcher3.util.LauncherModelHelper;
+import com.android.launcher3.util.LauncherRoboTestRunner;
 
-import org.junit.After;
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
-import org.robolectric.RobolectricTestRunner;
-import org.robolectric.annotation.Config;
+import org.robolectric.RuntimeEnvironment;
 import org.robolectric.annotation.LooperMode;
 import org.robolectric.annotation.LooperMode.Mode;
 import org.robolectric.shadows.ShadowPackageManager;
@@ -61,10 +59,9 @@
 /**
  * Tests for layout parser for remote layout
  */
-@RunWith(RobolectricTestRunner.class)
-@Config(shadows = {LShadowUserManager.class, LShadowLauncherApps.class, ShadowLooperExecutor.class})
+@RunWith(LauncherRoboTestRunner.class)
 @LooperMode(Mode.PAUSED)
-public class DefaultLayoutProviderTest extends BaseModelUpdateTaskTestCase {
+public class DefaultLayoutProviderTest {
 
     private static final String SETTINGS_APP = "com.android.settings";
     private static final String TEST_PROVIDER_AUTHORITY =
@@ -73,40 +70,37 @@
     private static final int BITMAP_SIZE = 10;
     private static final int GRID_SIZE = 4;
 
+    private LauncherModelHelper mModelHelper;
+    private Context mTargetContext;
+    private InvariantDeviceProfile mIdp;
+
     @Before
-    public void setUp() throws Exception {
-        super.setUp();
-        InvariantDeviceProfile.INSTANCE.initializeForTesting(idp);
-        CustomWidgetManager.INSTANCE.initializeForTesting(mock(CustomWidgetManager.class));
+    public void setUp() {
+        mModelHelper = new LauncherModelHelper();
+        mTargetContext = RuntimeEnvironment.application;
 
-        idp.numRows = idp.numColumns = idp.numHotseatIcons = GRID_SIZE;
-        idp.iconBitmapSize = BITMAP_SIZE;
+        mIdp = InvariantDeviceProfile.INSTANCE.get(mTargetContext);
+        mIdp.numRows = mIdp.numColumns = mIdp.numHotseatIcons = GRID_SIZE;
+        mIdp.iconBitmapSize = BITMAP_SIZE;
 
-        provider.setAllowLoadDefaultFavorites(true);
-        Settings.Secure.putString(targetContext.getContentResolver(),
+        mModelHelper.provider.setAllowLoadDefaultFavorites(true);
+        Settings.Secure.putString(mTargetContext.getContentResolver(),
                 "launcher3.layout.provider", TEST_PROVIDER_AUTHORITY);
 
-        ShadowPackageManager spm = shadowOf(targetContext.getPackageManager());
+        ShadowPackageManager spm = shadowOf(mTargetContext.getPackageManager());
         spm.addProviderIfNotPresent(new ComponentName("com.test", "Dummy")).authority =
                 TEST_PROVIDER_AUTHORITY;
         spm.addActivityIfNotPresent(new ComponentName(SETTINGS_APP, SETTINGS_APP));
     }
 
-    @After
-    public void cleanup() {
-        InvariantDeviceProfile.INSTANCE.initializeForTesting(null);
-        CustomWidgetManager.INSTANCE.initializeForTesting(null);
-        InstallSessionHelper.INSTANCE.initializeForTesting(null);
-    }
-
     @Test
     public void testCustomProfileLoaded_with_icon_on_hotseat() throws Exception {
         writeLayoutAndLoad(new LauncherLayoutBuilder().atHotseat(0)
                 .putApp(SETTINGS_APP, SETTINGS_APP));
 
         // Verify one item in hotseat
-        assertEquals(1, bgDataModel.workspaceItems.size());
-        ItemInfo info = bgDataModel.workspaceItems.get(0);
+        assertEquals(1, mModelHelper.getBgDataModel().workspaceItems.size());
+        ItemInfo info = mModelHelper.getBgDataModel().workspaceItems.get(0);
         assertEquals(LauncherSettings.Favorites.CONTAINER_HOTSEAT, info.container);
         assertEquals(LauncherSettings.Favorites.ITEM_TYPE_APPLICATION, info.itemType);
     }
@@ -120,8 +114,8 @@
                 .build());
 
         // Verify folder
-        assertEquals(1, bgDataModel.workspaceItems.size());
-        ItemInfo info = bgDataModel.workspaceItems.get(0);
+        assertEquals(1, mModelHelper.getBgDataModel().workspaceItems.size());
+        ItemInfo info = mModelHelper.getBgDataModel().workspaceItems.get(0);
         assertEquals(LauncherSettings.Favorites.ITEM_TYPE_FOLDER, info.itemType);
         assertEquals(3, ((FolderInfo) info).contents.size());
     }
@@ -134,7 +128,7 @@
         SessionParams params = new SessionParams(SessionParams.MODE_FULL_INSTALL);
         params.setAppPackageName(pendingAppPkg);
 
-        PackageInstaller installer = targetContext.getPackageManager().getPackageInstaller();
+        PackageInstaller installer = mTargetContext.getPackageManager().getPackageInstaller();
         int sessionId = installer.createSession(params);
         SessionInfo sessionInfo = installer.getSessionInfo(sessionId);
         setField(sessionInfo, "installerPackageName", "com.test");
@@ -144,8 +138,8 @@
                 .putWidget(pendingAppPkg, "DummyWidget", 2, 2));
 
         // Verify widget
-        assertEquals(1, bgDataModel.appWidgets.size());
-        ItemInfo info = bgDataModel.appWidgets.get(0);
+        assertEquals(1, mModelHelper.getBgDataModel().appWidgets.size());
+        ItemInfo info = mModelHelper.getBgDataModel().appWidgets.get(0);
         assertEquals(LauncherSettings.Favorites.ITEM_TYPE_APPWIDGET, info.itemType);
         assertEquals(2, info.spanX);
         assertEquals(2, info.spanY);
@@ -155,13 +149,21 @@
         ByteArrayOutputStream bos = new ByteArrayOutputStream();
         builder.build(new OutputStreamWriter(bos));
 
-        Uri layoutUri = LauncherProvider.getLayoutUri(TEST_PROVIDER_AUTHORITY, targetContext);
-        shadowOf(targetContext.getContentResolver()).registerInputStream(layoutUri,
+        Uri layoutUri = LauncherProvider.getLayoutUri(TEST_PROVIDER_AUTHORITY, mTargetContext);
+        shadowOf(mTargetContext.getContentResolver()).registerInputStream(layoutUri,
                 new ByteArrayInputStream(bos.toByteArray()));
 
-        LoaderResults results = new LoaderResults(appState, bgDataModel, allAppsList, 0,
-                new WeakReference<>(callbacks));
-        LoaderTask task = new LoaderTask(appState, allAppsList, bgDataModel, results);
+        LoaderResults results = new LoaderResults(
+                LauncherAppState.getInstance(mTargetContext),
+                mModelHelper.getBgDataModel(),
+                mModelHelper.getAllAppsList(),
+                0,
+                new WeakReference<>(mock(Callbacks.class)));
+        LoaderTask task = new LoaderTask(
+                LauncherAppState.getInstance(mTargetContext),
+                mModelHelper.getAllAppsList(),
+                mModelHelper.getBgDataModel(),
+                results);
         Executors.MODEL_EXECUTOR.submit(() -> task.loadWorkspace(new ArrayList<>())).get();
     }
 }
diff --git a/robolectric_tests/src/com/android/launcher3/model/GridBackupTableTest.java b/robolectric_tests/src/com/android/launcher3/model/GridBackupTableTest.java
index 53287a9..f46b849 100644
--- a/robolectric_tests/src/com/android/launcher3/model/GridBackupTableTest.java
+++ b/robolectric_tests/src/com/android/launcher3/model/GridBackupTableTest.java
@@ -6,33 +6,53 @@
 import static com.android.launcher3.LauncherSettings.Favorites.BACKUP_TABLE_NAME;
 import static com.android.launcher3.LauncherSettings.Favorites.TABLE_NAME;
 import static com.android.launcher3.provider.LauncherDbUtils.tableExists;
+import static com.android.launcher3.util.LauncherModelHelper.APP_ICON;
+import static com.android.launcher3.util.LauncherModelHelper.DESKTOP;
+import static com.android.launcher3.util.LauncherModelHelper.NO__ICON;
+import static com.android.launcher3.util.LauncherModelHelper.SHORTCUT;
 
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertFalse;
 import static org.junit.Assert.assertTrue;
 
 import android.content.ContentValues;
+import android.content.Context;
+import android.database.sqlite.SQLiteDatabase;
 import android.graphics.Point;
 
 import com.android.launcher3.LauncherSettings.Favorites;
 import com.android.launcher3.LauncherSettings.Settings;
+import com.android.launcher3.util.LauncherModelHelper;
+import com.android.launcher3.util.LauncherRoboTestRunner;
 
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
-import org.robolectric.RobolectricTestRunner;
+import org.robolectric.RuntimeEnvironment;
 
 /**
  * Unit tests for {@link GridBackupTable}
  */
-@RunWith(RobolectricTestRunner.class)
-public class GridBackupTableTest extends BaseGridChangesTestCase {
+@RunWith(LauncherRoboTestRunner.class)
+public class GridBackupTableTest {
 
     private static final int BACKUP_ITEM_COUNT = 12;
 
+    private LauncherModelHelper mModelHelper;
+    private Context mContext;
+    private SQLiteDatabase mDb;
+
     @Before
-    public void setupGridData() {
-        createGrid(new int[][][]{{
+    public void setUp() {
+        mModelHelper = new LauncherModelHelper();
+        mContext = RuntimeEnvironment.application;
+        mDb = mModelHelper.provider.getDb();
+
+        setupGridData();
+    }
+
+    private void setupGridData() {
+        mModelHelper.createGrid(new int[][][]{{
                 { APP_ICON, APP_ICON, SHORTCUT, SHORTCUT},
                 { SHORTCUT, SHORTCUT, NO__ICON, NO__ICON},
                 { NO__ICON, NO__ICON, SHORTCUT, SHORTCUT},
@@ -81,7 +101,7 @@
 
         assertTrue(tableExists(mDb, BACKUP_TABLE_NAME));
 
-        addItem(1, 2, DESKTOP, 1, 1);
+        mModelHelper.addItem(1, 2, DESKTOP, 1, 1);
         assertFalse(tableExists(mDb, BACKUP_TABLE_NAME));
     }
 
diff --git a/robolectric_tests/src/com/android/launcher3/model/GridSizeMigrationTaskTest.java b/robolectric_tests/src/com/android/launcher3/model/GridSizeMigrationTaskTest.java
index 53f6a06..8dd7588 100644
--- a/robolectric_tests/src/com/android/launcher3/model/GridSizeMigrationTaskTest.java
+++ b/robolectric_tests/src/com/android/launcher3/model/GridSizeMigrationTaskTest.java
@@ -1,25 +1,31 @@
 package com.android.launcher3.model;
 
 import static com.android.launcher3.model.GridSizeMigrationTask.getWorkspaceScreenIds;
+import static com.android.launcher3.util.LauncherModelHelper.APP_ICON;
+import static com.android.launcher3.util.LauncherModelHelper.HOTSEAT;
+import static com.android.launcher3.util.LauncherModelHelper.SHORTCUT;
+import static com.android.launcher3.util.LauncherModelHelper.TEST_PACKAGE;
 
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertTrue;
 
+import android.content.Context;
 import android.database.Cursor;
+import android.database.sqlite.SQLiteDatabase;
 import android.graphics.Point;
 
 import com.android.launcher3.InvariantDeviceProfile;
 import com.android.launcher3.LauncherSettings;
 import com.android.launcher3.config.FeatureFlags;
-import com.android.launcher3.config.FlagOverrideRule;
 import com.android.launcher3.model.GridSizeMigrationTask.MultiStepMigrationTask;
 import com.android.launcher3.util.IntArray;
+import com.android.launcher3.util.LauncherModelHelper;
+import com.android.launcher3.util.LauncherRoboTestRunner;
 
 import org.junit.Before;
-import org.junit.Rule;
 import org.junit.Test;
 import org.junit.runner.RunWith;
-import org.robolectric.RobolectricTestRunner;
+import org.robolectric.RuntimeEnvironment;
 
 import java.util.HashSet;
 import java.util.LinkedList;
@@ -27,30 +33,35 @@
 /**
  * Unit tests for {@link GridSizeMigrationTask}
  */
-@RunWith(RobolectricTestRunner.class)
-public class GridSizeMigrationTaskTest extends BaseGridChangesTestCase {
+@RunWith(LauncherRoboTestRunner.class)
+public class GridSizeMigrationTaskTest {
 
-    @Rule
-    public final FlagOverrideRule flags = new FlagOverrideRule();
+    private LauncherModelHelper mModelHelper;
+    private Context mContext;
+    private SQLiteDatabase mDb;
 
     private HashSet<String> mValidPackages;
     private InvariantDeviceProfile mIdp;
 
     @Before
     public void setUp() {
+        mModelHelper = new LauncherModelHelper();
+        mContext = RuntimeEnvironment.application;
+        mDb = mModelHelper.provider.getDb();
+
         mValidPackages = new HashSet<>();
         mValidPackages.add(TEST_PACKAGE);
-        mIdp = new InvariantDeviceProfile();
+        mIdp = InvariantDeviceProfile.INSTANCE.get(mContext);
     }
 
     @Test
     public void testHotseatMigration_apps_dropped() throws Exception {
         int[] hotseatItems = {
-                addItem(APP_ICON, 0, HOTSEAT, 0, 0),
-                addItem(SHORTCUT, 1, HOTSEAT, 0, 0),
+                mModelHelper.addItem(APP_ICON, 0, HOTSEAT, 0, 0),
+                mModelHelper.addItem(SHORTCUT, 1, HOTSEAT, 0, 0),
                 -1,
-                addItem(SHORTCUT, 3, HOTSEAT, 0, 0),
-                addItem(APP_ICON, 4, HOTSEAT, 0, 0),
+                mModelHelper.addItem(SHORTCUT, 3, HOTSEAT, 0, 0),
+                mModelHelper.addItem(APP_ICON, 4, HOTSEAT, 0, 0),
         };
 
         mIdp.numHotseatIcons = 3;
@@ -63,11 +74,11 @@
     @Test
     public void testHotseatMigration_shortcuts_dropped() throws Exception {
         int[] hotseatItems = {
-                addItem(APP_ICON, 0, HOTSEAT, 0, 0),
-                addItem(30, 1, HOTSEAT, 0, 0),
+                mModelHelper.addItem(APP_ICON, 0, HOTSEAT, 0, 0),
+                mModelHelper.addItem(30, 1, HOTSEAT, 0, 0),
                 -1,
-                addItem(SHORTCUT, 3, HOTSEAT, 0, 0),
-                addItem(10, 4, HOTSEAT, 0, 0),
+                mModelHelper.addItem(SHORTCUT, 3, HOTSEAT, 0, 0),
+                mModelHelper.addItem(10, 4, HOTSEAT, 0, 0),
         };
 
         mIdp.numHotseatIcons = 3;
@@ -109,7 +120,7 @@
 
     @Test
     public void testWorkspace_empty_row_column_removed() throws Exception {
-        int[][][] ids = createGrid(new int[][][]{{
+        int[][][] ids = mModelHelper.createGrid(new int[][][]{{
                 {  0,  0, -1,  1},
                 {  3,  1, -1,  4},
                 { -1, -1, -1, -1},
@@ -129,7 +140,7 @@
 
     @Test
     public void testWorkspace_new_screen_created() throws Exception {
-        int[][][] ids = createGrid(new int[][][]{{
+        int[][][] ids = mModelHelper.createGrid(new int[][][]{{
                 {  0,  0,  0,  1},
                 {  3,  1,  0,  4},
                 { -1, -1, -1, -1},
@@ -151,7 +162,7 @@
 
     @Test
     public void testWorkspace_items_merged_in_next_screen() throws Exception {
-        int[][][] ids = createGrid(new int[][][]{{
+        int[][][] ids = mModelHelper.createGrid(new int[][][]{{
                 {  0,  0,  0,  1},
                 {  3,  1,  0,  4},
                 { -1, -1, -1, -1},
@@ -181,7 +192,7 @@
     public void testWorkspace_items_not_merged_in_next_screen() throws Exception {
         // First screen has 2 items that need to be moved, but second screen has only one
         // empty space after migration (top-left corner)
-        int[][][] ids = createGrid(new int[][][]{{
+        int[][][] ids = mModelHelper.createGrid(new int[][][]{{
                 {  0,  0,  0,  1},
                 {  3,  1,  0,  4},
                 { -1, -1, -1, -1},
@@ -217,7 +228,7 @@
         }
         // The first screen has one item on the 4th column which needs moving, as the first row
         // will be kept empty.
-        int[][][] ids = createGrid(new int[][][]{{
+        int[][][] ids = mModelHelper.createGrid(new int[][][]{{
                 { -1, -1, -1, -1},
                 {  3,  1,  7,  0},
                 {  8,  7,  7, -1},
@@ -244,7 +255,7 @@
             return;
         }
         // Items will get moved to the next screen to keep the first screen empty.
-        int[][][] ids = createGrid(new int[][][]{{
+        int[][][] ids = mModelHelper.createGrid(new int[][][]{{
                 { -1, -1, -1, -1},
                 {  0,  1,  0,  0},
                 {  8,  7,  7, -1},
diff --git a/tests/src/com/android/launcher3/model/LoaderCursorTest.java b/robolectric_tests/src/com/android/launcher3/model/LoaderCursorTest.java
similarity index 76%
rename from tests/src/com/android/launcher3/model/LoaderCursorTest.java
rename to robolectric_tests/src/com/android/launcher3/model/LoaderCursorTest.java
index 0dcfaa8..4854314 100644
--- a/tests/src/com/android/launcher3/model/LoaderCursorTest.java
+++ b/robolectric_tests/src/com/android/launcher3/model/LoaderCursorTest.java
@@ -1,3 +1,19 @@
+/*
+ * Copyright (C) 2019 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package com.android.launcher3.model;
 
 import static com.android.launcher3.LauncherSettings.Favorites.CELLX;
@@ -17,6 +33,7 @@
 import static com.android.launcher3.LauncherSettings.Favorites.SCREEN;
 import static com.android.launcher3.LauncherSettings.Favorites.TITLE;
 import static com.android.launcher3.LauncherSettings.Favorites._ID;
+import static com.android.launcher3.util.LauncherModelHelper.TEST_PACKAGE;
 
 import static junit.framework.Assert.assertEquals;
 import static junit.framework.Assert.assertFalse;
@@ -24,43 +41,38 @@
 import static junit.framework.Assert.assertNull;
 import static junit.framework.Assert.assertTrue;
 
-import static org.mockito.Mockito.eq;
-import static org.mockito.Mockito.mock;
-import static org.mockito.Mockito.when;
+import static org.robolectric.Shadows.shadowOf;
 
 import android.content.ComponentName;
 import android.content.Context;
 import android.content.Intent;
 import android.content.pm.LauncherApps;
 import android.database.MatrixCursor;
-import android.graphics.Bitmap;
 import android.os.Process;
 
-import androidx.test.InstrumentationRegistry;
-import androidx.test.filters.SmallTest;
-import androidx.test.runner.AndroidJUnit4;
-
 import com.android.launcher3.InvariantDeviceProfile;
 import com.android.launcher3.ItemInfo;
 import com.android.launcher3.LauncherAppState;
 import com.android.launcher3.WorkspaceItemInfo;
-import com.android.launcher3.icons.BitmapInfo;
-import com.android.launcher3.icons.IconCache;
+import com.android.launcher3.util.Executors;
+import com.android.launcher3.util.LauncherRoboTestRunner;
 import com.android.launcher3.util.PackageManagerHelper;
 
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
+import org.robolectric.RuntimeEnvironment;
+import org.robolectric.annotation.LooperMode;
+import org.robolectric.annotation.LooperMode.Mode;
 
 /**
  * Tests for {@link LoaderCursor}
  */
-@SmallTest
-@RunWith(AndroidJUnit4.class)
+@RunWith(LauncherRoboTestRunner.class)
+@LooperMode(Mode.PAUSED)
 public class LoaderCursorTest {
 
-    private LauncherAppState mMockApp;
-    private IconCache mMockIconCache;
+    private LauncherAppState mApp;
 
     private MatrixCursor mCursor;
     private InvariantDeviceProfile mIDP;
@@ -71,22 +83,18 @@
 
     @Before
     public void setup() {
-        mIDP = new InvariantDeviceProfile();
+        mContext = RuntimeEnvironment.application;
+        mIDP = InvariantDeviceProfile.INSTANCE.get(mContext);
+        mApp = LauncherAppState.getInstance(mContext);
+        mLauncherApps = mContext.getSystemService(LauncherApps.class);
+
         mCursor = new MatrixCursor(new String[] {
                 ICON, ICON_PACKAGE, ICON_RESOURCE, TITLE,
                 _ID, CONTAINER, ITEM_TYPE, PROFILE_ID,
                 SCREEN, CELLX, CELLY, RESTORED, INTENT
         });
-        mContext = InstrumentationRegistry.getTargetContext();
 
-        mMockApp = mock(LauncherAppState.class);
-        mMockIconCache = mock(IconCache.class);
-        when(mMockApp.getIconCache()).thenReturn(mMockIconCache);
-        when(mMockApp.getInvariantDeviceProfile()).thenReturn(mIDP);
-        when(mMockApp.getContext()).thenReturn(mContext);
-        mLauncherApps = mContext.getSystemService(LauncherApps.class);
-
-        mLoaderCursor = new LoaderCursor(mCursor, mMockApp);
+        mLoaderCursor = new LoaderCursor(mCursor, mApp);
         mLoaderCursor.allUsers.put(0, Process.myUserHandle());
     }
 
@@ -109,26 +117,31 @@
     }
 
     @Test
-    public void getAppShortcutInfo_dontAllowMissing_validComponent() {
+    public void getAppShortcutInfo_dontAllowMissing_validComponent() throws Exception {
+        ComponentName cn = new ComponentName(TEST_PACKAGE, TEST_PACKAGE);
+        shadowOf(mContext.getPackageManager()).addActivityIfNotPresent(cn);
+
         initCursor(ITEM_TYPE_APPLICATION, "");
         assertTrue(mLoaderCursor.moveToNext());
 
-        ComponentName cn = mLauncherApps.getActivityList(null, mLoaderCursor.user)
-                .get(0).getComponentName();
-        WorkspaceItemInfo info = mLoaderCursor.getAppShortcutInfo(
-                new Intent().setComponent(cn), false /* allowMissingTarget */, true);
+        WorkspaceItemInfo info = Executors.MODEL_EXECUTOR.submit(() ->
+                mLoaderCursor.getAppShortcutInfo(
+                        new Intent().setComponent(cn), false  /* allowMissingTarget */, true))
+                .get();
         assertNotNull(info);
         assertTrue(PackageManagerHelper.isLauncherAppTarget(info.intent));
     }
 
     @Test
-    public void getAppShortcutInfo_allowMissing_invalidComponent() {
+    public void getAppShortcutInfo_allowMissing_invalidComponent() throws Exception {
         initCursor(ITEM_TYPE_APPLICATION, "");
         assertTrue(mLoaderCursor.moveToNext());
 
         ComponentName cn = new ComponentName(mContext.getPackageName(), "dummy-do");
-        WorkspaceItemInfo info = mLoaderCursor.getAppShortcutInfo(
-                new Intent().setComponent(cn), true  /* allowMissingTarget */, true);
+        WorkspaceItemInfo info = Executors.MODEL_EXECUTOR.submit(() ->
+                mLoaderCursor.getAppShortcutInfo(
+                        new Intent().setComponent(cn), true  /* allowMissingTarget */, true))
+                .get();
         assertNotNull(info);
         assertTrue(PackageManagerHelper.isLauncherAppTarget(info.intent));
     }
@@ -138,11 +151,8 @@
         initCursor(ITEM_TYPE_SHORTCUT, "my-shortcut");
         assertTrue(mLoaderCursor.moveToNext());
 
-        Bitmap icon = Bitmap.createBitmap(1, 1, Bitmap.Config.ALPHA_8);
-        when(mMockIconCache.getDefaultIcon(eq(mLoaderCursor.user)))
-                .thenReturn(BitmapInfo.fromBitmap(icon));
         WorkspaceItemInfo info = mLoaderCursor.loadSimpleWorkspaceItem();
-        assertEquals(icon, info.bitmap.icon);
+        assertTrue(mApp.getIconCache().isDefaultIcon(info.bitmap, info.user));
         assertEquals("my-shortcut", info.title);
         assertEquals(ITEM_TYPE_SHORTCUT, info.itemType);
     }
diff --git a/robolectric_tests/src/com/android/launcher3/model/PackageInstallStateChangedTaskTest.java b/robolectric_tests/src/com/android/launcher3/model/PackageInstallStateChangedTaskTest.java
index a1a4561..bd71f01 100644
--- a/robolectric_tests/src/com/android/launcher3/model/PackageInstallStateChangedTaskTest.java
+++ b/robolectric_tests/src/com/android/launcher3/model/PackageInstallStateChangedTaskTest.java
@@ -6,11 +6,14 @@
 import com.android.launcher3.LauncherAppWidgetInfo;
 import com.android.launcher3.WorkspaceItemInfo;
 import com.android.launcher3.pm.PackageInstallInfo;
+import com.android.launcher3.util.LauncherModelHelper;
+import com.android.launcher3.util.LauncherRoboTestRunner;
 
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
-import org.robolectric.RobolectricTestRunner;
+import org.robolectric.annotation.LooperMode;
+import org.robolectric.annotation.LooperMode.Mode;
 
 import java.util.Arrays;
 import java.util.HashSet;
@@ -18,12 +21,16 @@
 /**
  * Tests for {@link PackageInstallStateChangedTask}
  */
-@RunWith(RobolectricTestRunner.class)
-public class PackageInstallStateChangedTaskTest extends BaseModelUpdateTaskTestCase {
+@RunWith(LauncherRoboTestRunner.class)
+@LooperMode(Mode.PAUSED)
+public class PackageInstallStateChangedTaskTest {
+
+    private LauncherModelHelper mModelHelper;
 
     @Before
-    public void initData() throws Exception {
-        initializeData("/package_install_state_change_task_data.txt");
+    public void setup() throws Exception {
+        mModelHelper = new LauncherModelHelper();
+        mModelHelper.initializeData("/package_install_state_change_task_data.txt");
     }
 
     private PackageInstallStateChangedTask newTask(String pkg, int progress) {
@@ -35,7 +42,7 @@
 
     @Test
     public void testSessionUpdate_ignore_installed() throws Exception {
-        executeTaskForTest(newTask("app1", 30));
+        mModelHelper.executeTaskForTest(newTask("app1", 30));
 
         // No shortcuts were updated
         verifyProgressUpdate(0);
@@ -43,21 +50,21 @@
 
     @Test
     public void testSessionUpdate_shortcuts_updated() throws Exception {
-        executeTaskForTest(newTask("app3", 30));
+        mModelHelper.executeTaskForTest(newTask("app3", 30));
 
         verifyProgressUpdate(30, 5, 6, 7);
     }
 
     @Test
     public void testSessionUpdate_widgets_updated() throws Exception {
-        executeTaskForTest(newTask("app4", 30));
+        mModelHelper.executeTaskForTest(newTask("app4", 30));
 
         verifyProgressUpdate(30, 8, 9);
     }
 
     private void verifyProgressUpdate(int progress, Integer... idsUpdated) {
         HashSet<Integer> updates = new HashSet<>(Arrays.asList(idsUpdated));
-        for (ItemInfo info : bgDataModel.itemsIdMap) {
+        for (ItemInfo info : mModelHelper.getBgDataModel().itemsIdMap) {
             if (info instanceof WorkspaceItemInfo) {
                 assertEquals(updates.contains(info.id) ? progress: 0,
                         ((WorkspaceItemInfo) info).getInstallProgress());
diff --git a/robolectric_tests/src/com/android/launcher3/popup/PopupPopulatorTest.java b/robolectric_tests/src/com/android/launcher3/popup/PopupPopulatorTest.java
index 83bf7da..7612ae1 100644
--- a/robolectric_tests/src/com/android/launcher3/popup/PopupPopulatorTest.java
+++ b/robolectric_tests/src/com/android/launcher3/popup/PopupPopulatorTest.java
@@ -27,9 +27,10 @@
 
 import android.content.pm.ShortcutInfo;
 
+import com.android.launcher3.util.LauncherRoboTestRunner;
+
 import org.junit.Test;
 import org.junit.runner.RunWith;
-import org.robolectric.RobolectricTestRunner;
 import org.robolectric.RuntimeEnvironment;
 
 import java.util.ArrayList;
@@ -39,7 +40,7 @@
 /**
  * Tests the sorting and filtering of shortcuts in {@link PopupPopulator}.
  */
-@RunWith(RobolectricTestRunner.class)
+@RunWith(LauncherRoboTestRunner.class)
 public class PopupPopulatorTest {
 
     @Test
diff --git a/tests/src/com/android/launcher3/provider/RestoreDbTaskTest.java b/robolectric_tests/src/com/android/launcher3/provider/RestoreDbTaskTest.java
similarity index 78%
rename from tests/src/com/android/launcher3/provider/RestoreDbTaskTest.java
rename to robolectric_tests/src/com/android/launcher3/provider/RestoreDbTaskTest.java
index 27990f4..7ef670c 100644
--- a/tests/src/com/android/launcher3/provider/RestoreDbTaskTest.java
+++ b/robolectric_tests/src/com/android/launcher3/provider/RestoreDbTaskTest.java
@@ -1,3 +1,18 @@
+/*
+ * Copyright (C) 2019 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 package com.android.launcher3.provider;
 
 import static org.junit.Assert.assertEquals;
@@ -6,21 +21,18 @@
 import android.database.Cursor;
 import android.database.sqlite.SQLiteDatabase;
 
-import androidx.test.InstrumentationRegistry;
-import androidx.test.filters.MediumTest;
-import androidx.test.runner.AndroidJUnit4;
-
 import com.android.launcher3.LauncherProvider.DatabaseHelper;
 import com.android.launcher3.LauncherSettings.Favorites;
+import com.android.launcher3.util.LauncherRoboTestRunner;
 
 import org.junit.Test;
 import org.junit.runner.RunWith;
+import org.robolectric.RuntimeEnvironment;
 
 /**
  * Tests for {@link RestoreDbTask}
  */
-@MediumTest
-@RunWith(AndroidJUnit4.class)
+@RunWith(LauncherRoboTestRunner.class)
 public class RestoreDbTaskTest {
 
     @Test
@@ -83,7 +95,7 @@
         private final long mProfileId;
 
         MyDatabaseHelper(long profileId) {
-            super(InstrumentationRegistry.getContext(), null);
+            super(RuntimeEnvironment.application, null);
             mProfileId = profileId;
         }
 
diff --git a/robolectric_tests/src/com/android/launcher3/shadows/LShadowAppWidgetManager.java b/robolectric_tests/src/com/android/launcher3/shadows/LShadowAppWidgetManager.java
new file mode 100644
index 0000000..696ffd0
--- /dev/null
+++ b/robolectric_tests/src/com/android/launcher3/shadows/LShadowAppWidgetManager.java
@@ -0,0 +1,48 @@
+/*
+ * Copyright (C) 2019 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.launcher3.shadows;
+
+import android.appwidget.AppWidgetManager;
+import android.appwidget.AppWidgetProviderInfo;
+import android.os.Process;
+import android.os.UserHandle;
+
+import org.robolectric.annotation.Implementation;
+import org.robolectric.annotation.Implements;
+import org.robolectric.shadows.ShadowAppWidgetManager;
+
+import java.util.List;
+import java.util.stream.Collectors;
+
+/**
+ * Extension of {@link ShadowAppWidgetManager} with missing shadow methods
+ */
+@Implements(value = AppWidgetManager.class)
+public class LShadowAppWidgetManager extends ShadowAppWidgetManager {
+
+    @Override
+    protected List<AppWidgetProviderInfo> getInstalledProviders() {
+        return getInstalledProvidersForProfile(null);
+    }
+
+    @Implementation
+    public List<AppWidgetProviderInfo> getInstalledProvidersForProfile(UserHandle profile) {
+        UserHandle user = profile == null ? Process.myUserHandle() : profile;
+        return super.getInstalledProviders().stream().filter(
+                info -> user.equals(info.getProfile())).collect(Collectors.toList());
+    }
+}
diff --git a/robolectric_tests/src/com/android/launcher3/shadows/LShadowBitmap.java b/robolectric_tests/src/com/android/launcher3/shadows/LShadowBitmap.java
new file mode 100644
index 0000000..abd90bb
--- /dev/null
+++ b/robolectric_tests/src/com/android/launcher3/shadows/LShadowBitmap.java
@@ -0,0 +1,36 @@
+/*
+ * Copyright (C) 2019 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.launcher3.shadows;
+
+import android.graphics.Bitmap;
+import android.graphics.Paint;
+
+import org.robolectric.annotation.Implementation;
+import org.robolectric.annotation.Implements;
+import org.robolectric.shadows.ShadowBitmap;
+
+/**
+ * Extension of {@link ShadowBitmap} with missing shadow methods
+ */
+@Implements(value = Bitmap.class)
+public class LShadowBitmap extends ShadowBitmap {
+
+    @Implementation
+    protected Bitmap extractAlpha(Paint paint, int[] offsetXY) {
+        return extractAlpha();
+    }
+}
diff --git a/robolectric_tests/src/com/android/launcher3/shadows/LShadowLauncherApps.java b/robolectric_tests/src/com/android/launcher3/shadows/LShadowLauncherApps.java
index 204ec9b..ccbc18a 100644
--- a/robolectric_tests/src/com/android/launcher3/shadows/LShadowLauncherApps.java
+++ b/robolectric_tests/src/com/android/launcher3/shadows/LShadowLauncherApps.java
@@ -77,7 +77,7 @@
     protected LauncherActivityInfo resolveActivity(Intent intent, UserHandle user) {
         ResolveInfo ri = RuntimeEnvironment.application.getPackageManager()
                 .resolveActivity(intent, 0);
-        return getLauncherActivityInfo(ri.activityInfo);
+        return ri == null ? null : getLauncherActivityInfo(ri.activityInfo);
     }
 
     public LauncherActivityInfo getLauncherActivityInfo(ActivityInfo activityInfo) {
diff --git a/robolectric_tests/src/com/android/launcher3/shadows/ShadowLooperExecutor.java b/robolectric_tests/src/com/android/launcher3/shadows/ShadowLooperExecutor.java
index d56de3c..a3b7dc7 100644
--- a/robolectric_tests/src/com/android/launcher3/shadows/ShadowLooperExecutor.java
+++ b/robolectric_tests/src/com/android/launcher3/shadows/ShadowLooperExecutor.java
@@ -18,25 +18,16 @@
 
 import static com.android.launcher3.util.Executors.createAndStartNewLooper;
 
-import static org.robolectric.shadow.api.Shadow.invokeConstructor;
-import static org.robolectric.util.ReflectionHelpers.ClassParameter.from;
+import static org.robolectric.shadow.api.Shadow.directlyOn;
 import static org.robolectric.util.ReflectionHelpers.setField;
 
 import android.os.Handler;
-import android.os.Looper;
 
-import com.android.launcher3.util.Executors;
 import com.android.launcher3.util.LooperExecutor;
 
 import org.robolectric.annotation.Implementation;
 import org.robolectric.annotation.Implements;
 import org.robolectric.annotation.RealObject;
-import org.robolectric.util.ReflectionHelpers;
-
-import java.util.ArrayList;
-import java.util.Collections;
-import java.util.Set;
-import java.util.WeakHashMap;
 
 /**
  * Shadow for {@link LooperExecutor} to provide reset functionality for static executors.
@@ -44,25 +35,18 @@
 @Implements(value = LooperExecutor.class, isInAndroidSdk = false)
 public class ShadowLooperExecutor {
 
-    // Keep reference to all created Loopers so they can be torn down after test
-    private static Set<LooperExecutor> executors =
-            Collections.synchronizedSet(Collections.newSetFromMap(new WeakHashMap<>()));
-
-    @RealObject private LooperExecutor realExecutor;
+    @RealObject private LooperExecutor mRealExecutor;
 
     @Implementation
-    protected void __constructor__(Looper looper) {
-        invokeConstructor(LooperExecutor.class, realExecutor, from(Looper.class, looper));
-        executors.add(realExecutor);
-    }
-
-    /**
-     * Re-initializes any executor which may have been reset when a test finished
-     */
-    public static void reinitializeStaticExecutors() {
-        for (LooperExecutor executor : new ArrayList<>(executors)) {
-            setField(executor, "mHandler",
-                    new Handler(createAndStartNewLooper(executor.getThread().getName())));
+    protected Handler getHandler() {
+        Handler handler = directlyOn(mRealExecutor, LooperExecutor.class, "getHandler");
+        Thread thread = handler.getLooper().getThread();
+        if (!thread.isAlive()) {
+            // Robolectric destroys all loopers at the end of every test. Since Launcher maintains
+            // some static threads, they need to be reinitialized in case they were destroyed.
+            setField(mRealExecutor, "mHandler",
+                    new Handler(createAndStartNewLooper(thread.getName())));
         }
+        return directlyOn(mRealExecutor, LooperExecutor.class, "getHandler");
     }
 }
diff --git a/robolectric_tests/src/com/android/launcher3/shadows/ShadowMainThreadInitializedObject.java b/robolectric_tests/src/com/android/launcher3/shadows/ShadowMainThreadInitializedObject.java
new file mode 100644
index 0000000..6e2ccf8
--- /dev/null
+++ b/robolectric_tests/src/com/android/launcher3/shadows/ShadowMainThreadInitializedObject.java
@@ -0,0 +1,61 @@
+/*
+ * Copyright (C) 2019 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.launcher3.shadows;
+
+import static org.robolectric.shadow.api.Shadow.invokeConstructor;
+import static org.robolectric.util.ReflectionHelpers.ClassParameter.from;
+
+import com.android.launcher3.util.MainThreadInitializedObject;
+import com.android.launcher3.util.MainThreadInitializedObject.ObjectProvider;
+
+import org.robolectric.annotation.Implementation;
+import org.robolectric.annotation.Implements;
+import org.robolectric.annotation.RealObject;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.Set;
+import java.util.WeakHashMap;
+
+/**
+ * Shadow for {@link MainThreadInitializedObject} to provide reset functionality for static sObjects
+ */
+@Implements(value = MainThreadInitializedObject.class, isInAndroidSdk = false)
+public class ShadowMainThreadInitializedObject {
+
+    // Keep reference to all created MainThreadInitializedObject so they can be cleared after test
+    private static Set<MainThreadInitializedObject> sObjects =
+            Collections.synchronizedSet(Collections.newSetFromMap(new WeakHashMap<>()));
+
+    @RealObject private MainThreadInitializedObject mRealObject;
+
+    @Implementation
+    protected void __constructor__(ObjectProvider provider) {
+        invokeConstructor(MainThreadInitializedObject.class, mRealObject,
+                from(ObjectProvider.class, provider));
+        sObjects.add(mRealObject);
+    }
+
+    /**
+     * Resets all the initialized sObjects to be null
+     */
+    public static void resetInitializedObjects() {
+        for (MainThreadInitializedObject object : new ArrayList<>(sObjects)) {
+            object.initializeForTesting(null);
+        }
+    }
+}
diff --git a/robolectric_tests/src/com/android/launcher3/shadows/ShadowTogglableFlag.java b/robolectric_tests/src/com/android/launcher3/shadows/ShadowTogglableFlag.java
new file mode 100644
index 0000000..3603dd8
--- /dev/null
+++ b/robolectric_tests/src/com/android/launcher3/shadows/ShadowTogglableFlag.java
@@ -0,0 +1,38 @@
+/*
+ * Copyright (C) 2019 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.launcher3.shadows;
+
+import android.content.Context;
+
+import com.android.launcher3.uioverrides.TogglableFlag;
+import com.android.launcher3.util.LooperExecutor;
+
+import org.robolectric.annotation.Implementation;
+import org.robolectric.annotation.Implements;
+
+/**
+ * Shadow for {@link LooperExecutor} to provide reset functionality for static executors.
+ */
+@Implements(value = TogglableFlag.class, isInAndroidSdk = false)
+public class ShadowTogglableFlag {
+
+    /**
+     * Mock change listener as it uses internal system classes not available to robolectric
+     */
+    @Implementation
+    protected void addChangeListener(Context context, Runnable r) { }
+}
diff --git a/robolectric_tests/src/com/android/launcher3/util/GridOccupancyTest.java b/robolectric_tests/src/com/android/launcher3/util/GridOccupancyTest.java
index aa51ad2..e453e31 100644
--- a/robolectric_tests/src/com/android/launcher3/util/GridOccupancyTest.java
+++ b/robolectric_tests/src/com/android/launcher3/util/GridOccupancyTest.java
@@ -2,7 +2,6 @@
 
 import org.junit.Test;
 import org.junit.runner.RunWith;
-import org.robolectric.RobolectricTestRunner;
 
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertFalse;
@@ -11,7 +10,7 @@
 /**
  * Unit tests for {@link GridOccupancy}
  */
-@RunWith(RobolectricTestRunner.class)
+@RunWith(LauncherRoboTestRunner.class)
 public class GridOccupancyTest {
 
     @Test
diff --git a/robolectric_tests/src/com/android/launcher3/util/IntArrayTest.java b/robolectric_tests/src/com/android/launcher3/util/IntArrayTest.java
index c08e198..5974ea5 100644
--- a/robolectric_tests/src/com/android/launcher3/util/IntArrayTest.java
+++ b/robolectric_tests/src/com/android/launcher3/util/IntArrayTest.java
@@ -19,12 +19,11 @@
 
 import org.junit.Test;
 import org.junit.runner.RunWith;
-import org.robolectric.RobolectricTestRunner;
 
 /**
  * Robolectric unit tests for {@link IntArray}
  */
-@RunWith(RobolectricTestRunner.class)
+@RunWith(LauncherRoboTestRunner.class)
 public class IntArrayTest {
 
     @Test
diff --git a/robolectric_tests/src/com/android/launcher3/util/IntSetTest.java b/robolectric_tests/src/com/android/launcher3/util/IntSetTest.java
index 8513353..aedf71e 100644
--- a/robolectric_tests/src/com/android/launcher3/util/IntSetTest.java
+++ b/robolectric_tests/src/com/android/launcher3/util/IntSetTest.java
@@ -20,8 +20,6 @@
 import org.junit.Test;
 import org.junit.runner.RunWith;
 
-import org.robolectric.RobolectricTestRunner;
-
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertFalse;
 import static org.junit.Assert.assertTrue;
@@ -29,7 +27,7 @@
 /**
  * Robolectric unit tests for {@link IntSet}
  */
-@RunWith(RobolectricTestRunner.class)
+@RunWith(LauncherRoboTestRunner.class)
 public class IntSetTest {
 
     @Test
diff --git a/robolectric_tests/src/com/android/launcher3/util/LauncherModelHelper.java b/robolectric_tests/src/com/android/launcher3/util/LauncherModelHelper.java
new file mode 100644
index 0000000..1a03f9f
--- /dev/null
+++ b/robolectric_tests/src/com/android/launcher3/util/LauncherModelHelper.java
@@ -0,0 +1,288 @@
+/*
+ * Copyright (C) 2019 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.android.launcher3.util;
+
+import static com.android.launcher3.util.Executors.MODEL_EXECUTOR;
+
+import static org.mockito.Mockito.atLeast;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.verify;
+
+import android.content.ComponentName;
+import android.content.ContentValues;
+import android.content.Context;
+import android.content.Intent;
+
+import com.android.launcher3.AppInfo;
+import com.android.launcher3.ItemInfo;
+import com.android.launcher3.LauncherAppState;
+import com.android.launcher3.LauncherModel;
+import com.android.launcher3.LauncherModel.ModelUpdateTask;
+import com.android.launcher3.LauncherProvider;
+import com.android.launcher3.LauncherSettings;
+import com.android.launcher3.model.AllAppsList;
+import com.android.launcher3.model.BgDataModel;
+
+import org.mockito.ArgumentCaptor;
+import org.robolectric.Robolectric;
+import org.robolectric.RuntimeEnvironment;
+import org.robolectric.shadows.ShadowContentResolver;
+import org.robolectric.util.ReflectionHelpers;
+
+import java.io.BufferedReader;
+import java.io.InputStreamReader;
+import java.lang.reflect.Field;
+import java.util.HashMap;
+import java.util.List;
+import java.util.concurrent.Executor;
+import java.util.function.Function;
+
+/**
+ * Utility class to help manage Launcher Model and related objects for test.
+ */
+public class LauncherModelHelper {
+
+    public static final int DESKTOP = LauncherSettings.Favorites.CONTAINER_DESKTOP;
+    public static final int HOTSEAT = LauncherSettings.Favorites.CONTAINER_HOTSEAT;
+
+    public static final int APP_ICON = LauncherSettings.Favorites.ITEM_TYPE_APPLICATION;
+    public static final int SHORTCUT = LauncherSettings.Favorites.ITEM_TYPE_SHORTCUT;
+    public static final int NO__ICON = -1;
+    public static final String TEST_PACKAGE = "com.android.launcher3.validpackage";
+
+    private final HashMap<Class, HashMap<String, Field>> mFieldCache = new HashMap<>();
+    public final TestLauncherProvider provider;
+
+    private BgDataModel mDataModel;
+    private AllAppsList mAllAppsList;
+
+    public LauncherModelHelper() {
+        provider = Robolectric.setupContentProvider(TestLauncherProvider.class);
+        ShadowContentResolver.registerProviderInternal(LauncherProvider.AUTHORITY, provider);
+    }
+
+    public LauncherModel getModel() {
+        return LauncherAppState.getInstance(RuntimeEnvironment.application).getModel();
+    }
+
+    public synchronized BgDataModel getBgDataModel() {
+        if (mDataModel == null) {
+            mDataModel = ReflectionHelpers.getField(getModel(), "mBgDataModel");
+        }
+        return mDataModel;
+    }
+
+    public synchronized AllAppsList getAllAppsList() {
+        if (mAllAppsList == null) {
+            mAllAppsList = ReflectionHelpers.getField(getModel(), "mBgAllAppsList");
+        }
+        return mAllAppsList;
+    }
+
+    /**
+     * Synchronously executes the task and returns all the UI callbacks posted.
+     */
+    public List<Runnable> executeTaskForTest(ModelUpdateTask task) throws Exception {
+        LauncherModel model = getModel();
+        if (!model.isModelLoaded()) {
+            ReflectionHelpers.setField(model, "mModelLoaded", true);
+        }
+        Executor mockExecutor = mock(Executor.class);
+        model.enqueueModelUpdateTask(new ModelUpdateTask() {
+            @Override
+            public void init(LauncherAppState app, LauncherModel model, BgDataModel dataModel,
+                    AllAppsList allAppsList, Executor uiExecutor) {
+                task.init(app, model, dataModel, allAppsList, mockExecutor);
+            }
+
+            @Override
+            public void run() {
+                task.run();
+            }
+        });
+        MODEL_EXECUTOR.submit(() -> null).get();
+
+        ArgumentCaptor<Runnable> captor = ArgumentCaptor.forClass(Runnable.class);
+        verify(mockExecutor, atLeast(0)).execute(captor.capture());
+        return captor.getAllValues();
+    }
+
+    /**
+     * Synchronously executes a task on the model
+     */
+    public <T> T executeSimpleTask(Function<BgDataModel, T> task) throws Exception {
+        BgDataModel dataModel = getBgDataModel();
+        return MODEL_EXECUTOR.submit(() -> task.apply(dataModel)).get();
+    }
+
+    /**
+     * Initializes mock data for the test.
+     */
+    public void initializeData(String resourceName) throws Exception {
+        Context targetContext = RuntimeEnvironment.application;
+        BgDataModel bgDataModel = getBgDataModel();
+        AllAppsList allAppsList = getAllAppsList();
+
+        MODEL_EXECUTOR.submit(() -> {
+            try (BufferedReader reader = new BufferedReader(new InputStreamReader(
+                    this.getClass().getResourceAsStream(resourceName)))) {
+                String line;
+                HashMap<String, Class> classMap = new HashMap<>();
+                while ((line = reader.readLine()) != null) {
+                    line = line.trim();
+                    if (line.startsWith("#") || line.isEmpty()) {
+                        continue;
+                    }
+                    String[] commands = line.split(" ");
+                    switch (commands[0]) {
+                        case "classMap":
+                            classMap.put(commands[1], Class.forName(commands[2]));
+                            break;
+                        case "bgItem":
+                            bgDataModel.addItem(targetContext,
+                                    (ItemInfo) initItem(classMap.get(commands[1]), commands, 2),
+                                    false);
+                            break;
+                        case "allApps":
+                            allAppsList.add((AppInfo) initItem(AppInfo.class, commands, 1), null);
+                            break;
+                    }
+                }
+            } catch (Exception e) {
+                throw new RuntimeException(e);
+            }
+        }).get();
+    }
+
+    private Object initItem(Class clazz, String[] fieldDef, int startIndex) throws Exception {
+        HashMap<String, Field> cache = mFieldCache.get(clazz);
+        if (cache == null) {
+            cache = new HashMap<>();
+            Class c = clazz;
+            while (c != null) {
+                for (Field f : c.getDeclaredFields()) {
+                    f.setAccessible(true);
+                    cache.put(f.getName(), f);
+                }
+                c = c.getSuperclass();
+            }
+            mFieldCache.put(clazz, cache);
+        }
+
+        Object item = clazz.newInstance();
+        for (int i = startIndex; i < fieldDef.length; i++) {
+            String[] fieldData = fieldDef[i].split("=", 2);
+            Field f = cache.get(fieldData[0]);
+            Class type = f.getType();
+            if (type == int.class || type == long.class) {
+                f.set(item, Integer.parseInt(fieldData[1]));
+            } else if (type == CharSequence.class || type == String.class) {
+                f.set(item, fieldData[1]);
+            } else if (type == Intent.class) {
+                if (!fieldData[1].startsWith("#Intent")) {
+                    fieldData[1] = "#Intent;" + fieldData[1] + ";end";
+                }
+                f.set(item, Intent.parseUri(fieldData[1], 0));
+            } else if (type == ComponentName.class) {
+                f.set(item, ComponentName.unflattenFromString(fieldData[1]));
+            } else {
+                throw new Exception("Added parsing logic for "
+                        + f.getName() + " of type " + f.getType());
+            }
+        }
+        return item;
+    }
+
+    /**
+     * Adds a dummy item in the DB.
+     * @param type {@link #APP_ICON} or {@link #SHORTCUT} or >= 2 for
+     *             folder (where the type represents the number of items in the folder).
+     */
+    public int addItem(int type, int screen, int container, int x, int y) {
+        Context context = RuntimeEnvironment.application;
+        int id = LauncherSettings.Settings.call(context.getContentResolver(),
+                LauncherSettings.Settings.METHOD_NEW_ITEM_ID)
+                .getInt(LauncherSettings.Settings.EXTRA_VALUE);
+
+        ContentValues values = new ContentValues();
+        values.put(LauncherSettings.Favorites._ID, id);
+        values.put(LauncherSettings.Favorites.CONTAINER, container);
+        values.put(LauncherSettings.Favorites.SCREEN, screen);
+        values.put(LauncherSettings.Favorites.CELLX, x);
+        values.put(LauncherSettings.Favorites.CELLY, y);
+        values.put(LauncherSettings.Favorites.SPANX, 1);
+        values.put(LauncherSettings.Favorites.SPANY, 1);
+
+        if (type == APP_ICON || type == SHORTCUT) {
+            values.put(LauncherSettings.Favorites.ITEM_TYPE, type);
+            values.put(LauncherSettings.Favorites.INTENT,
+                    new Intent(Intent.ACTION_MAIN).setPackage(TEST_PACKAGE).toUri(0));
+        } else {
+            values.put(LauncherSettings.Favorites.ITEM_TYPE,
+                    LauncherSettings.Favorites.ITEM_TYPE_FOLDER);
+            // Add folder items.
+            for (int i = 0; i < type; i++) {
+                addItem(APP_ICON, 0, id, 0, 0);
+            }
+        }
+
+        context.getContentResolver().insert(LauncherSettings.Favorites.CONTENT_URI, values);
+        return id;
+    }
+
+    public int[][][] createGrid(int[][][] typeArray) {
+        return createGrid(typeArray, 1);
+    }
+
+    /**
+     * Initializes the DB with dummy elements to represent the provided grid structure.
+     * @param typeArray A 3d array of item types. {@see #addItem(int, long, long, int, int)} for
+     *                  type definitions. The first dimension represents the screens and the next
+     *                  two represent the workspace grid.
+     * @param startScreen First screen id from where the icons will be added.
+     * @return the same grid representation where each entry is the corresponding item id.
+     */
+    public int[][][] createGrid(int[][][] typeArray, int startScreen) {
+        Context context = RuntimeEnvironment.application;
+        LauncherSettings.Settings.call(context.getContentResolver(),
+                LauncherSettings.Settings.METHOD_CREATE_EMPTY_DB);
+        int[][][] ids = new int[typeArray.length][][];
+
+        for (int i = 0; i < typeArray.length; i++) {
+            // Add screen to DB
+            int screenId = startScreen + i;
+
+            // Keep the screen id counter up to date
+            LauncherSettings.Settings.call(context.getContentResolver(),
+                    LauncherSettings.Settings.METHOD_NEW_SCREEN_ID);
+
+            ids[i] = new int[typeArray[i].length][];
+            for (int y = 0; y < typeArray[i].length; y++) {
+                ids[i][y] = new int[typeArray[i][y].length];
+                for (int x = 0; x < typeArray[i][y].length; x++) {
+                    if (typeArray[i][y][x] < 0) {
+                        // Empty cell
+                        ids[i][y][x] = -1;
+                    } else {
+                        ids[i][y][x] = addItem(typeArray[i][y][x], screenId, DESKTOP, x, y);
+                    }
+                }
+            }
+        }
+
+        return ids;
+    }
+}
diff --git a/robolectric_tests/src/com/android/launcher3/util/LauncherRoboTestRunner.java b/robolectric_tests/src/com/android/launcher3/util/LauncherRoboTestRunner.java
new file mode 100644
index 0000000..5c6b486
--- /dev/null
+++ b/robolectric_tests/src/com/android/launcher3/util/LauncherRoboTestRunner.java
@@ -0,0 +1,90 @@
+/*
+ * Copyright (C) 2019 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.android.launcher3.util;
+
+import static org.mockito.Mockito.mock;
+
+import com.android.launcher3.shadows.LShadowAppWidgetManager;
+import com.android.launcher3.shadows.LShadowBitmap;
+import com.android.launcher3.shadows.LShadowLauncherApps;
+import com.android.launcher3.shadows.LShadowUserManager;
+import com.android.launcher3.shadows.ShadowLooperExecutor;
+import com.android.launcher3.shadows.ShadowMainThreadInitializedObject;
+import com.android.launcher3.shadows.ShadowTogglableFlag;
+import com.android.launcher3.uioverrides.plugins.PluginManagerWrapper;
+
+import org.junit.runners.model.InitializationError;
+import org.robolectric.DefaultTestLifecycle;
+import org.robolectric.RobolectricTestRunner;
+import org.robolectric.TestLifecycle;
+import org.robolectric.annotation.Config;
+import org.robolectric.shadows.ShadowLog;
+
+import java.lang.reflect.Method;
+
+import javax.annotation.Nonnull;
+
+/**
+ * Test runner with Launcher specific configurations
+ */
+public class LauncherRoboTestRunner extends RobolectricTestRunner {
+
+    private static final Class<?>[] SHADOWS = new Class<?>[] {
+            LShadowAppWidgetManager.class,
+            LShadowUserManager.class,
+            LShadowLauncherApps.class,
+            LShadowBitmap.class,
+
+            ShadowLooperExecutor.class,
+            ShadowMainThreadInitializedObject.class,
+            ShadowTogglableFlag.class,
+    };
+
+    public LauncherRoboTestRunner(Class<?> testClass) throws InitializationError {
+        super(testClass);
+    }
+
+    @Override
+    protected Config buildGlobalConfig() {
+        return new Config.Builder().setShadows(SHADOWS).build();
+    }
+
+    @Nonnull
+    @Override
+    protected Class<? extends TestLifecycle> getTestLifecycleClass() {
+        return LauncherTestLifecycle.class;
+    }
+
+    public static class LauncherTestLifecycle extends DefaultTestLifecycle {
+
+        @Override
+        public void beforeTest(Method method) {
+            super.beforeTest(method);
+            ShadowLog.stream = System.out;
+
+            // Disable plugins
+            PluginManagerWrapper.INSTANCE.initializeForTesting(mock(PluginManagerWrapper.class));
+        }
+
+        @Override
+        public void afterTest(Method method) {
+            super.afterTest(method);
+
+            ShadowLog.stream = null;
+            ShadowMainThreadInitializedObject.resetInitializedObjects();
+        }
+    }
+}
diff --git a/tests/src/com/android/launcher3/widget/WidgetsListAdapterTest.java b/robolectric_tests/src/com/android/launcher3/widget/WidgetsListAdapterTest.java
similarity index 83%
rename from tests/src/com/android/launcher3/widget/WidgetsListAdapterTest.java
rename to robolectric_tests/src/com/android/launcher3/widget/WidgetsListAdapterTest.java
index 57b0b09..daae818 100644
--- a/tests/src/com/android/launcher3/widget/WidgetsListAdapterTest.java
+++ b/robolectric_tests/src/com/android/launcher3/widget/WidgetsListAdapterTest.java
@@ -19,16 +19,15 @@
 import static org.mockito.Matchers.isNull;
 import static org.mockito.Mockito.times;
 import static org.mockito.Mockito.verify;
+import static org.robolectric.Shadows.shadowOf;
 
 import android.appwidget.AppWidgetProviderInfo;
+import android.content.ComponentName;
 import android.content.Context;
 import android.graphics.Bitmap;
 import android.view.LayoutInflater;
 
 import androidx.recyclerview.widget.RecyclerView;
-import androidx.test.InstrumentationRegistry;
-import androidx.test.filters.SmallTest;
-import androidx.test.runner.AndroidJUnit4;
 
 import com.android.launcher3.InvariantDeviceProfile;
 import com.android.launcher3.LauncherAppWidgetProviderInfo;
@@ -37,19 +36,21 @@
 import com.android.launcher3.icons.IconCache;
 import com.android.launcher3.model.PackageItemInfo;
 import com.android.launcher3.model.WidgetItem;
-import com.android.launcher3.util.MultiHashMap;
+import com.android.launcher3.util.LauncherRoboTestRunner;
 
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.mockito.Mock;
 import org.mockito.MockitoAnnotations;
+import org.robolectric.RuntimeEnvironment;
+import org.robolectric.shadows.ShadowPackageManager;
+import org.robolectric.util.ReflectionHelpers;
 
 import java.util.ArrayList;
-import java.util.Map;
+import java.util.Collections;
 
-@SmallTest
-@RunWith(AndroidJUnit4.class)
+@RunWith(LauncherRoboTestRunner.class)
 public class WidgetsListAdapterTest {
 
     @Mock private LayoutInflater mMockLayoutInflater;
@@ -64,7 +65,7 @@
     @Before
     public void setup() {
         MockitoAnnotations.initMocks(this);
-        mContext = InstrumentationRegistry.getTargetContext();
+        mContext = RuntimeEnvironment.application;
         mTestProfile = new InvariantDeviceProfile();
         mTestProfile.numRows = 5;
         mTestProfile.numColumns = 5;
@@ -121,15 +122,19 @@
     /**
      * Helper method to generate the sample widget model map that can be used for the tests
      * @param num the number of WidgetItem the map should contain
-     * @return
      */
     private ArrayList<WidgetListRowEntry> generateSampleMap(int num) {
         ArrayList<WidgetListRowEntry> result = new ArrayList<>();
         if (num <= 0) return result;
+        ShadowPackageManager spm = shadowOf(mContext.getPackageManager());
 
-        MultiHashMap<PackageItemInfo, WidgetItem> newMap = new MultiHashMap();
-        WidgetManagerHelper widgetManager = new WidgetManagerHelper(mContext);
-        for (AppWidgetProviderInfo widgetInfo : widgetManager.getAllProviders(null)) {
+        for (int i = 0; i < num; i++) {
+            ComponentName cn = new ComponentName("com.dummy.apk" + i, "DummyWidet");
+
+            AppWidgetProviderInfo widgetInfo = new AppWidgetProviderInfo();
+            widgetInfo.provider = cn;
+            ReflectionHelpers.setField(widgetInfo, "providerInfo", spm.addReceiverIfNotPresent(cn));
+
             WidgetItem wi = new WidgetItem(LauncherAppWidgetProviderInfo
                     .fromProviderInfo(mContext, widgetInfo), mTestProfile, mIconCache);
 
@@ -137,13 +142,8 @@
             pInfo.title = pInfo.packageName;
             pInfo.user = wi.user;
             pInfo.bitmap = BitmapInfo.of(Bitmap.createBitmap(10, 10, Bitmap.Config.ALPHA_8), 0);
-            newMap.addToList(pInfo, wi);
-            if (newMap.size() == num) {
-                break;
-            }
-        }
-        for (Map.Entry<PackageItemInfo, ArrayList<WidgetItem>> entry : newMap.entrySet()) {
-            result.add(new WidgetListRowEntry(entry.getKey(), entry.getValue()));
+
+            result.add(new WidgetListRowEntry(pInfo, new ArrayList<>(Collections.singleton(wi))));
         }
 
         return result;
diff --git a/src/com/android/launcher3/BaseActivity.java b/src/com/android/launcher3/BaseActivity.java
index f319ae1..ea63fa7 100644
--- a/src/com/android/launcher3/BaseActivity.java
+++ b/src/com/android/launcher3/BaseActivity.java
@@ -16,6 +16,7 @@
 
 package com.android.launcher3;
 
+import static com.android.launcher3.model.WidgetsModel.GO_DISABLE_WIDGETS;
 import static com.android.launcher3.util.SystemUiController.UI_STATE_OVERVIEW;
 
 import static java.lang.annotation.RetentionPolicy.SOURCE;
@@ -24,7 +25,12 @@
 import android.content.Context;
 import android.content.ContextWrapper;
 import android.content.Intent;
+import android.content.pm.LauncherApps;
 import android.content.res.Configuration;
+import android.graphics.Rect;
+import android.os.Bundle;
+import android.os.UserHandle;
+import android.util.Log;
 import android.view.ContextThemeWrapper;
 
 import androidx.annotation.IntDef;
@@ -47,6 +53,8 @@
 public abstract class BaseActivity extends Activity
         implements UserEventDelegate, LogStateProvider, ActivityContext {
 
+    private static final String TAG = "BaseActivity";
+
     public static final int INVISIBLE_BY_STATE_HANDLER = 1 << 0;
     public static final int INVISIBLE_BY_APP_TRANSITIONS = 1 << 1;
     public static final int INVISIBLE_BY_PENDING_FLAGS = 1 << 2;
@@ -312,6 +320,22 @@
         writer.println(prefix + "mForceInvisible: " + mForceInvisible);
     }
 
+    /**
+     * A wrapper around the platform method with Launcher specific checks
+     */
+    public void startShortcut(String packageName, String id, Rect sourceBounds,
+            Bundle startActivityOptions, UserHandle user) {
+        if (GO_DISABLE_WIDGETS) {
+            return;
+        }
+        try {
+            getSystemService(LauncherApps.class).startShortcut(packageName, id, sourceBounds,
+                    startActivityOptions, user);
+        } catch (SecurityException | IllegalStateException e) {
+            Log.e(TAG, "Failed to start shortcut", e);
+        }
+    }
+
     public static <T extends BaseActivity> T fromContext(Context context) {
         if (context instanceof BaseActivity) {
             return (T) context;
diff --git a/src/com/android/launcher3/BaseDraggingActivity.java b/src/com/android/launcher3/BaseDraggingActivity.java
index 21c819a..df15fc1 100644
--- a/src/com/android/launcher3/BaseDraggingActivity.java
+++ b/src/com/android/launcher3/BaseDraggingActivity.java
@@ -35,7 +35,6 @@
 
 import com.android.launcher3.LauncherSettings.Favorites;
 import com.android.launcher3.model.AppLaunchTracker;
-import com.android.launcher3.shortcuts.DeepShortcutManager;
 import com.android.launcher3.uioverrides.DisplayRotationListener;
 import com.android.launcher3.uioverrides.WallpaperColorInfo;
 import com.android.launcher3.util.PackageManagerHelper;
@@ -198,8 +197,7 @@
                 if (info.itemType == LauncherSettings.Favorites.ITEM_TYPE_DEEP_SHORTCUT) {
                     String id = ((WorkspaceItemInfo) info).getDeepShortcutId();
                     String packageName = intent.getPackage();
-                    DeepShortcutManager.getInstance(this).startShortcut(
-                            packageName, id, intent.getSourceBounds(), optsBundle, info.user);
+                    startShortcut(packageName, id, intent.getSourceBounds(), optsBundle, info.user);
                     AppLaunchTracker.INSTANCE.get(this).onStartShortcut(packageName, id, info.user,
                             sourceContainer);
                 } else {
diff --git a/src/com/android/launcher3/ExtendedEditText.java b/src/com/android/launcher3/ExtendedEditText.java
index 52a393f..8b6d209 100644
--- a/src/com/android/launcher3/ExtendedEditText.java
+++ b/src/com/android/launcher3/ExtendedEditText.java
@@ -108,6 +108,7 @@
     @Override
     public void onCommitCompletion(CompletionInfo text) {
         setText(text.getText());
+        setSelection(text.getText().length());
     }
 
     /**
diff --git a/src/com/android/launcher3/InstallShortcutReceiver.java b/src/com/android/launcher3/InstallShortcutReceiver.java
index df03027..3eb02b3 100644
--- a/src/com/android/launcher3/InstallShortcutReceiver.java
+++ b/src/com/android/launcher3/InstallShortcutReceiver.java
@@ -49,8 +49,8 @@
 import com.android.launcher3.icons.GraphicsUtils;
 import com.android.launcher3.icons.LauncherIcons;
 import com.android.launcher3.pm.UserCache;
-import com.android.launcher3.shortcuts.DeepShortcutManager;
 import com.android.launcher3.shortcuts.ShortcutKey;
+import com.android.launcher3.shortcuts.ShortcutRequest;
 import com.android.launcher3.util.PackageManagerHelper;
 import com.android.launcher3.util.Preconditions;
 import com.android.launcher3.util.Thunk;
@@ -538,12 +538,9 @@
                     return new PendingInstallShortcutInfo(info, context);
                 }
             } else if (decoder.optBoolean(DEEPSHORTCUT_TYPE_KEY)) {
-                DeepShortcutManager sm = DeepShortcutManager.getInstance(context);
-                List<ShortcutInfo> si = sm.queryForFullDetails(
-                        decoder.launcherIntent.getPackage(),
-                        Arrays.asList(decoder.launcherIntent.getStringExtra(
-                                ShortcutKey.EXTRA_SHORTCUT_ID)),
-                        decoder.user);
+                List<ShortcutInfo> si = ShortcutKey.fromIntent(decoder.launcherIntent, decoder.user)
+                        .buildRequest(context)
+                        .query(ShortcutRequest.ALL);
                 if (si.isEmpty()) {
                     return null;
                 } else {
diff --git a/src/com/android/launcher3/LauncherModel.java b/src/com/android/launcher3/LauncherModel.java
index 67fd7db..e005320 100644
--- a/src/com/android/launcher3/LauncherModel.java
+++ b/src/com/android/launcher3/LauncherModel.java
@@ -20,6 +20,7 @@
 import static com.android.launcher3.config.FeatureFlags.IS_DOGFOOD_BUILD;
 import static com.android.launcher3.util.Executors.MAIN_EXECUTOR;
 import static com.android.launcher3.util.Executors.MODEL_EXECUTOR;
+import static com.android.launcher3.util.PackageManagerHelper.hasShortcutsPermission;
 
 import android.content.Context;
 import android.content.Intent;
@@ -54,7 +55,7 @@
 import com.android.launcher3.pm.InstallSessionTracker;
 import com.android.launcher3.pm.PackageInstallInfo;
 import com.android.launcher3.pm.UserCache;
-import com.android.launcher3.shortcuts.DeepShortcutManager;
+import com.android.launcher3.shortcuts.ShortcutRequest;
 import com.android.launcher3.util.IntSparseArrayMap;
 import com.android.launcher3.util.ItemInfoMatcher;
 import com.android.launcher3.util.PackageUserKey;
@@ -107,18 +108,15 @@
      * All the static data should be accessed on the background thread, A lock should be acquired
      * on this object when accessing any data from this model.
      */
-    static final BgDataModel sBgDataModel = new BgDataModel();
+    private final BgDataModel mBgDataModel = new BgDataModel();
 
     // Runnable to check if the shortcuts permission has changed.
     private final Runnable mShortcutPermissionCheckRunnable = new Runnable() {
         @Override
         public void run() {
-            if (mModelLoaded) {
-                boolean hasShortcutHostPermission =
-                        DeepShortcutManager.getInstance(mApp.getContext()).hasHostPermission();
-                if (hasShortcutHostPermission != sBgDataModel.hasShortcutHostPermission) {
-                    forceReload();
-                }
+            if (mModelLoaded && hasShortcutsPermission(mApp.getContext())
+                    != mBgDataModel.hasShortcutHostPermission) {
+                forceReload();
             }
         }
     };
@@ -140,7 +138,7 @@
     }
 
     public ModelWriter getWriter(boolean hasVerticalHotseat, boolean verifyChanges) {
-        return new ModelWriter(mApp.getContext(), this, sBgDataModel,
+        return new ModelWriter(mApp.getContext(), this, mBgDataModel,
                 hasVerticalHotseat, verifyChanges);
     }
 
@@ -220,8 +218,8 @@
         Context context = mApp.getContext();
         onPackageChanged(packageName, user);
 
-        List<ShortcutInfo> pinnedShortcuts = DeepShortcutManager.getInstance(context)
-                .queryForPinnedShortcuts(packageName, user);
+        List<ShortcutInfo> pinnedShortcuts = new ShortcutRequest(context, user)
+                .forPackage(packageName).query(ShortcutRequest.PINNED);
         if (!pinnedShortcuts.isEmpty()) {
             enqueueModelUpdateTask(new ShortcutsChangedTask(packageName, pinnedShortcuts, user,
                     false));
@@ -305,7 +303,7 @@
 
                 // If there is already one running, tell it to stop.
                 stopLoader();
-                LoaderResults loaderResults = new LoaderResults(mApp, sBgDataModel,
+                LoaderResults loaderResults = new LoaderResults(mApp, mBgDataModel,
                         mBgAllAppsList, synchronousBindPage, mCallbacks);
                 if (mModelLoaded && !mIsLoaderTaskRunning) {
                     // Divide the set of loaded items into those that we are binding synchronously,
@@ -341,7 +339,7 @@
     public void startLoaderForResults(LoaderResults results) {
         synchronized (mLock) {
             stopLoader();
-            mLoaderTask = new LoaderTask(mApp, mBgAllAppsList, sBgDataModel, results);
+            mLoaderTask = new LoaderTask(mApp, mBgAllAppsList, mBgDataModel, results);
 
             // Always post the loader task, instead of running directly (even on same thread) so
             // that we exit any nested synchronized blocks
@@ -489,7 +487,7 @@
     }
 
     public void enqueueModelUpdateTask(ModelUpdateTask task) {
-        task.init(mApp, this, sBgDataModel, mBgAllAppsList, MAIN_EXECUTOR);
+        task.init(mApp, this, mBgDataModel, mBgAllAppsList, MAIN_EXECUTOR);
         MODEL_EXECUTOR.execute(task);
     }
 
@@ -560,7 +558,7 @@
                         + " componentName=" + info.componentName.getPackageName());
             }
         }
-        sBgDataModel.dump(prefix, fd, writer, args);
+        mBgDataModel.dump(prefix, fd, writer, args);
     }
 
     public Callbacks getCallback() {
diff --git a/src/com/android/launcher3/Utilities.java b/src/com/android/launcher3/Utilities.java
index 2bec0ba..af9a1b4 100644
--- a/src/com/android/launcher3/Utilities.java
+++ b/src/com/android/launcher3/Utilities.java
@@ -65,9 +65,10 @@
 import com.android.launcher3.graphics.TintedDrawableSpan;
 import com.android.launcher3.icons.IconProvider;
 import com.android.launcher3.icons.LauncherIcons;
+import com.android.launcher3.icons.ShortcutCachingLogic;
 import com.android.launcher3.pm.ShortcutConfigActivityInfo;
-import com.android.launcher3.shortcuts.DeepShortcutManager;
 import com.android.launcher3.shortcuts.ShortcutKey;
+import com.android.launcher3.shortcuts.ShortcutRequest;
 import com.android.launcher3.util.IntArray;
 import com.android.launcher3.util.PackageManagerHelper;
 import com.android.launcher3.views.Transposable;
@@ -540,15 +541,14 @@
                 outObj[0] = activityInfo;
                 return activityInfo.getFullResIcon(appState.getIconCache());
             }
-            ShortcutKey key = ShortcutKey.fromItemInfo(info);
-            DeepShortcutManager sm = DeepShortcutManager.getInstance(launcher);
-            List<ShortcutInfo> si = sm.queryForFullDetails(
-                    key.componentName.getPackageName(), Arrays.asList(key.getId()), key.user);
+            List<ShortcutInfo> si = ShortcutKey.fromItemInfo(info)
+                    .buildRequest(launcher)
+                    .query(ShortcutRequest.ALL);
             if (si.isEmpty()) {
                 return null;
             } else {
                 outObj[0] = si.get(0);
-                return sm.getShortcutIconDrawable(si.get(0),
+                return ShortcutCachingLogic.getIcon(launcher, si.get(0),
                         appState.getInvariantDeviceProfile().fillResIconDpi);
             }
         } else if (info.itemType == LauncherSettings.Favorites.ITEM_TYPE_FOLDER) {
diff --git a/src/com/android/launcher3/allapps/AlphabeticalAppsList.java b/src/com/android/launcher3/allapps/AlphabeticalAppsList.java
index 0c4be62..10e2821 100644
--- a/src/com/android/launcher3/allapps/AlphabeticalAppsList.java
+++ b/src/com/android/launcher3/allapps/AlphabeticalAppsList.java
@@ -15,13 +15,14 @@
  */
 package com.android.launcher3.allapps;
 
+import static com.android.launcher3.util.PackageManagerHelper.hasShortcutsPermission;
+
 import android.content.Context;
 import android.content.pm.PackageManager;
 
 import com.android.launcher3.AppInfo;
 import com.android.launcher3.Launcher;
 import com.android.launcher3.Utilities;
-import com.android.launcher3.shortcuts.DeepShortcutManager;
 import com.android.launcher3.util.ComponentKey;
 import com.android.launcher3.util.ItemInfoMatcher;
 import com.android.launcher3.util.LabelComparator;
@@ -398,7 +399,7 @@
 
     private boolean shouldShowWorkFooter() {
         return mIsWork && Utilities.ATLEAST_P &&
-                (DeepShortcutManager.getInstance(mLauncher).hasHostPermission()
+                (hasShortcutsPermission(mLauncher)
                         || mLauncher.checkSelfPermission("android.permission.MODIFY_QUIET_MODE")
                         == PackageManager.PERMISSION_GRANTED);
     }
diff --git a/src/com/android/launcher3/config/FeatureFlags.java b/src/com/android/launcher3/config/FeatureFlags.java
index 7334964..003ca82 100644
--- a/src/com/android/launcher3/config/FeatureFlags.java
+++ b/src/com/android/launcher3/config/FeatureFlags.java
@@ -114,7 +114,7 @@
             "ENABLE_PREDICTION_DISMISS", false, "Allow option to dimiss apps from predicted list");
 
     public static final TogglableFlag ENABLE_QUICK_CAPTURE_GESTURE = new TogglableFlag(
-            "ENABLE_QUICK_CAPTURE_GESTURE", false, "Swipe from right to left to quick capture");
+            "ENABLE_QUICK_CAPTURE_GESTURE", true, "Swipe from right to left to quick capture");
 
     public static final TogglableFlag ASSISTANT_GIVES_LAUNCHER_FOCUS = new TogglableFlag(
             "ASSISTANT_GIVES_LAUNCHER_FOCUS", false,
diff --git a/src/com/android/launcher3/dragndrop/DragController.java b/src/com/android/launcher3/dragndrop/DragController.java
index b72fd98..dcdf5d6 100644
--- a/src/com/android/launcher3/dragndrop/DragController.java
+++ b/src/com/android/launcher3/dragndrop/DragController.java
@@ -19,6 +19,7 @@
 import static com.android.launcher3.AbstractFloatingView.TYPE_DISCOVERY_BOUNCE;
 import static com.android.launcher3.LauncherAnimUtils.SPRING_LOADED_EXIT_DELAY;
 import static com.android.launcher3.LauncherState.NORMAL;
+import static com.android.launcher3.Utilities.ATLEAST_Q;
 
 import android.animation.ValueAnimator;
 import android.content.ComponentName;
@@ -56,6 +57,12 @@
 public class DragController implements DragDriver.EventListener, TouchController {
     private static final boolean PROFILE_DRAWING_DURING_DRAG = false;
 
+    /**
+     * When a drag is started from a deep press, you need to drag this much farther than normal to
+     * end a pre-drag. See {@link DragOptions.PreDragCondition#shouldStartDrag(double)}.
+     */
+    private static final int DEEP_PRESS_DISTANCE_FACTOR = 3;
+
     @Thunk Launcher mLauncher;
     private FlingToDeleteHelper mFlingToDeleteHelper;
 
@@ -91,9 +98,10 @@
 
     private DropTarget mLastDropTarget;
 
-    @Thunk int mLastTouch[] = new int[2];
-    @Thunk long mLastTouchUpTime = -1;
-    @Thunk int mDistanceSinceScroll = 0;
+    private final int[] mLastTouch = new int[2];
+    private long mLastTouchUpTime = -1;
+    private int mLastTouchClassification;
+    private int mDistanceSinceScroll = 0;
 
     private int mTmpPoint[] = new int[2];
     private Rect mDragLayerRect = new Rect();
@@ -204,7 +212,7 @@
         }
 
         mLauncher.getDragLayer().performHapticFeedback(HapticFeedbackConstants.LONG_PRESS);
-        dragView.show(mMotionDownX, mMotionDownY);
+        dragView.show(mLastTouch[0], mLastTouch[1]);
         mDistanceSinceScroll = 0;
 
         if (!mIsInPreDrag) {
@@ -213,9 +221,7 @@
             mOptions.preDragCondition.onPreDragStart(mDragObject);
         }
 
-        mLastTouch[0] = mMotionDownX;
-        mLastTouch[1] = mMotionDownY;
-        handleMoveEvent(mMotionDownX, mMotionDownY);
+        handleMoveEvent(mLastTouch[0], mLastTouch[1]);
         mLauncher.getUserEventDispatcher().resetActionDurationMillis();
         return dragView;
     }
@@ -430,6 +436,11 @@
         final int[] dragLayerPos = getClampedDragLayerPos(ev.getX(), ev.getY());
         final int dragLayerX = dragLayerPos[0];
         final int dragLayerY = dragLayerPos[1];
+        mLastTouch[0] = dragLayerX;
+        mLastTouch[1] = dragLayerY;
+        if (ATLEAST_Q) {
+            mLastTouchClassification = ev.getClassification();
+        }
 
         switch (action) {
             case MotionEvent.ACTION_DOWN:
@@ -488,8 +499,12 @@
         mLastTouch[0] = x;
         mLastTouch[1] = y;
 
+        int distanceDragged = mDistanceSinceScroll;
+        if (ATLEAST_Q && mLastTouchClassification == MotionEvent.CLASSIFICATION_DEEP_PRESS) {
+            distanceDragged /= DEEP_PRESS_DISTANCE_FACTOR;
+        }
         if (mIsInPreDrag && mOptions.preDragCondition != null
-                && mOptions.preDragCondition.shouldStartDrag(mDistanceSinceScroll)) {
+                && mOptions.preDragCondition.shouldStartDrag(distanceDragged)) {
             callOnDragStart();
         }
     }
diff --git a/src/com/android/launcher3/icons/LauncherIcons.java b/src/com/android/launcher3/icons/LauncherIcons.java
index 4d3599e..e67d244 100644
--- a/src/com/android/launcher3/icons/LauncherIcons.java
+++ b/src/com/android/launcher3/icons/LauncherIcons.java
@@ -35,7 +35,6 @@
 import com.android.launcher3.config.FeatureFlags;
 import com.android.launcher3.graphics.IconShape;
 import com.android.launcher3.model.PackageItemInfo;
-import com.android.launcher3.shortcuts.DeepShortcutManager;
 import com.android.launcher3.util.Themes;
 
 import java.util.function.Supplier;
@@ -133,8 +132,8 @@
 
     public BitmapInfo createShortcutIconLegacy(ShortcutInfo shortcutInfo, boolean badged,
             @Nullable Supplier<ItemInfoWithIcon> fallbackIconProvider) {
-        Drawable unbadgedDrawable = DeepShortcutManager.getInstance(mContext)
-                .getShortcutIconDrawable(shortcutInfo, mFillResIconDpi);
+        Drawable unbadgedDrawable = ShortcutCachingLogic.getIcon(
+                mContext, shortcutInfo, mFillResIconDpi);
         IconCache cache = LauncherAppState.getInstance(mContext).getIconCache();
         final Bitmap unbadgedBitmap;
         if (unbadgedDrawable != null) {
diff --git a/src/com/android/launcher3/icons/ShortcutCachingLogic.java b/src/com/android/launcher3/icons/ShortcutCachingLogic.java
index 5c21470..b856dd1 100644
--- a/src/com/android/launcher3/icons/ShortcutCachingLogic.java
+++ b/src/com/android/launcher3/icons/ShortcutCachingLogic.java
@@ -16,19 +16,22 @@
 
 package com.android.launcher3.icons;
 
+import static com.android.launcher3.model.WidgetsModel.GO_DISABLE_WIDGETS;
+
 import android.content.ComponentName;
 import android.content.Context;
+import android.content.pm.LauncherApps;
 import android.content.pm.PackageInfo;
 import android.content.pm.ShortcutInfo;
 import android.graphics.drawable.Drawable;
 import android.os.UserHandle;
+import android.util.Log;
 
 import androidx.annotation.NonNull;
 
 import com.android.launcher3.LauncherAppState;
 import com.android.launcher3.config.FeatureFlags;
 import com.android.launcher3.icons.cache.CachingLogic;
-import com.android.launcher3.shortcuts.DeepShortcutManager;
 import com.android.launcher3.shortcuts.ShortcutKey;
 import com.android.launcher3.util.Themes;
 
@@ -37,6 +40,8 @@
  */
 public class ShortcutCachingLogic implements CachingLogic<ShortcutInfo> {
 
+    private static final String TAG = "ShortcutCachingLogic";
+
     @Override
     public ComponentName getComponent(ShortcutInfo info) {
         return ShortcutKey.fromInfo(info).componentName;
@@ -56,8 +61,8 @@
     @Override
     public BitmapInfo loadIcon(Context context, ShortcutInfo info) {
         try (LauncherIcons li = LauncherIcons.obtain(context)) {
-            Drawable unbadgedDrawable = DeepShortcutManager.getInstance(context)
-                    .getShortcutIconDrawable(info, LauncherAppState.getIDP(context).fillResIconDpi);
+            Drawable unbadgedDrawable = ShortcutCachingLogic.getIcon(
+                    context, info, LauncherAppState.getIDP(context).fillResIconDpi);
             if (unbadgedDrawable == null) return BitmapInfo.LOW_RES_INFO;
             return new BitmapInfo(li.createScaledBitmapWithoutShadow(
                     unbadgedDrawable, 0), Themes.getColorAccent(context));
@@ -76,4 +81,21 @@
     public boolean addToMemCache() {
         return false;
     }
+
+    /**
+     * Similar to {@link LauncherApps#getShortcutIconDrawable(ShortcutInfo, int)} with additional
+     * Launcher specific checks
+     */
+    public static Drawable getIcon(Context context, ShortcutInfo shortcutInfo, int density) {
+        if (GO_DISABLE_WIDGETS) {
+            return null;
+        }
+        try {
+            return context.getSystemService(LauncherApps.class)
+                    .getShortcutIconDrawable(shortcutInfo, density);
+        } catch (SecurityException | IllegalStateException e) {
+            Log.e(TAG, "Failed to get shortcut icon", e);
+            return null;
+        }
+    }
 }
diff --git a/src/com/android/launcher3/logging/FileLog.java b/src/com/android/launcher3/logging/FileLog.java
index 04cf20a..2c972a0 100644
--- a/src/com/android/launcher3/logging/FileLog.java
+++ b/src/com/android/launcher3/logging/FileLog.java
@@ -42,6 +42,8 @@
     private static Handler sHandler = null;
     private static File sLogsDirectory = null;
 
+    private static final int LOG_DAYS = 2;
+
     public static void setDir(File logsDir) {
         if (ENABLED) {
             synchronized (DATE_FORMAT) {
@@ -147,7 +149,7 @@
                 case MSG_WRITE: {
                     Calendar cal = Calendar.getInstance();
                     // suffix with 0 or 1 based on the day of the year.
-                    String fileName = FILE_NAME_PREFIX + (cal.get(Calendar.DAY_OF_YEAR) & 1);
+                    String fileName = FILE_NAME_PREFIX + (cal.get(Calendar.DAY_OF_YEAR) % LOG_DAYS);
 
                     if (!fileName.equals(mCurrentFileName)) {
                         closeWriter();
@@ -195,8 +197,9 @@
                             (Pair<PrintWriter, CountDownLatch>) msg.obj;
 
                     if (p.first != null) {
-                        dumpFile(p.first, FILE_NAME_PREFIX + 0);
-                        dumpFile(p.first, FILE_NAME_PREFIX + 1);
+                        for (int i = 0; i < LOG_DAYS; i++) {
+                            dumpFile(p.first, FILE_NAME_PREFIX + i);
+                        }
                     }
                     p.second.countDown();
                     return true;
@@ -226,4 +229,15 @@
             }
         }
     }
+
+    /**
+     * Gets files used for FileLog
+     */
+    public static File[] getLogFiles() {
+        File[] files = new File[LOG_DAYS];
+        for (int i = 0; i < LOG_DAYS; i++) {
+            files[i] = new File(sLogsDirectory, FILE_NAME_PREFIX + i);
+        }
+        return files;
+    }
 }
diff --git a/src/com/android/launcher3/logging/UserEventDispatcher.java b/src/com/android/launcher3/logging/UserEventDispatcher.java
index 499cd2a..8289da9 100644
--- a/src/com/android/launcher3/logging/UserEventDispatcher.java
+++ b/src/com/android/launcher3/logging/UserEventDispatcher.java
@@ -147,6 +147,12 @@
             }
             fillIntentInfo(event.srcTarget[0], intent, userHandle);
         }
+        ItemInfo info = (ItemInfo) v.getTag();
+        if (Utilities.IS_DEBUG_DEVICE && FeatureFlags.ENABLE_HYBRID_HOTSEAT.get()) {
+            FileLog.d(TAG, "appLaunch: packageName:" + info.getTargetComponent().getPackageName()
+                    + ",isWorkApp:" + (info.user != null && !Process.myUserHandle().equals(
+                    userHandle)) + ",launchLocation:" + info.container);
+        }
         dispatchUserEvent(event, intent);
         mAppOrTaskLaunch = true;
     }
diff --git a/src/com/android/launcher3/model/BgDataModel.java b/src/com/android/launcher3/model/BgDataModel.java
index 0e20270..88f2a09 100644
--- a/src/com/android/launcher3/model/BgDataModel.java
+++ b/src/com/android/launcher3/model/BgDataModel.java
@@ -15,7 +15,11 @@
  */
 package com.android.launcher3.model;
 
+import static com.android.launcher3.model.WidgetsModel.GO_DISABLE_WIDGETS;
+import static com.android.launcher3.shortcuts.ShortcutRequest.PINNED;
+
 import android.content.Context;
+import android.content.pm.LauncherApps;
 import android.content.pm.ShortcutInfo;
 import android.os.UserHandle;
 import android.text.TextUtils;
@@ -29,15 +33,15 @@
 import com.android.launcher3.LauncherAppWidgetInfo;
 import com.android.launcher3.LauncherSettings;
 import com.android.launcher3.PromiseAppInfo;
-import com.android.launcher3.WorkspaceItemInfo;
 import com.android.launcher3.Workspace;
+import com.android.launcher3.WorkspaceItemInfo;
 import com.android.launcher3.config.FeatureFlags;
 import com.android.launcher3.logging.DumpTargetWrapper;
 import com.android.launcher3.model.nano.LauncherDumpProto;
 import com.android.launcher3.model.nano.LauncherDumpProto.ContainerType;
 import com.android.launcher3.model.nano.LauncherDumpProto.DumpTarget;
-import com.android.launcher3.shortcuts.DeepShortcutManager;
 import com.android.launcher3.shortcuts.ShortcutKey;
+import com.android.launcher3.shortcuts.ShortcutRequest;
 import com.android.launcher3.util.ComponentKey;
 import com.android.launcher3.util.IntArray;
 import com.android.launcher3.util.IntSet;
@@ -59,6 +63,8 @@
 import java.util.Iterator;
 import java.util.List;
 import java.util.Map;
+import java.util.function.BiConsumer;
+import java.util.stream.Collectors;
 
 /**
  * All the data stored in-memory and managed by the LauncherModel
@@ -287,7 +293,7 @@
                     if ((count == null || --count.value == 0)
                             && !InstallShortcutReceiver.getPendingShortcuts(context)
                                 .contains(pinnedShortcut)) {
-                        DeepShortcutManager.getInstance(context).unpinShortcut(pinnedShortcut);
+                        unpinShortcut(context, pinnedShortcut);
                     }
                     // Fall through.
                 }
@@ -324,7 +330,7 @@
 
                 // Since this is a new item, pin the shortcut in the system server.
                 if (newItem && count.value == 1) {
-                    DeepShortcutManager.getInstance(context).pinShortcut(pinnedShortcut);
+                    updatePinnedShortcuts(context, pinnedShortcut, List::add);
                 }
                 // Fall through
             }
@@ -355,6 +361,36 @@
     }
 
     /**
+     * Removes the given shortcut from the current list of pinned shortcuts.
+     * (Runs on background thread)
+     */
+    public void unpinShortcut(Context context, ShortcutKey key) {
+        updatePinnedShortcuts(context, key, List::remove);
+    }
+
+    private void updatePinnedShortcuts(Context context, ShortcutKey key,
+            BiConsumer<List<String>, String> idOp) {
+        if (GO_DISABLE_WIDGETS) {
+            return;
+        }
+        String packageName = key.componentName.getPackageName();
+        String id = key.getId();
+        UserHandle user = key.user;
+        List<String> pinnedIds = new ShortcutRequest(context, user)
+                .forPackage(packageName)
+                .query(PINNED)
+                .stream()
+                .map(ShortcutInfo::getId)
+                .collect(Collectors.toCollection(ArrayList::new));
+        idOp.accept(pinnedIds, id);
+        try {
+            context.getSystemService(LauncherApps.class).pinShortcuts(packageName, pinnedIds, user);
+        } catch (SecurityException | IllegalStateException e) {
+            Log.w(TAG, "Failed to pin shortcut", e);
+        }
+    }
+
+    /**
      * Return an existing FolderInfo object if we have encountered this ID previously,
      * or make a new one.
      */
diff --git a/src/com/android/launcher3/model/LoaderTask.java b/src/com/android/launcher3/model/LoaderTask.java
index 605bb75..571d41a 100644
--- a/src/com/android/launcher3/model/LoaderTask.java
+++ b/src/com/android/launcher3/model/LoaderTask.java
@@ -21,6 +21,7 @@
 import static com.android.launcher3.ItemInfoWithIcon.FLAG_DISABLED_SUSPENDED;
 import static com.android.launcher3.model.ModelUtils.filterCurrentWorkspaceItems;
 import static com.android.launcher3.util.Executors.MODEL_EXECUTOR;
+import static com.android.launcher3.util.PackageManagerHelper.hasShortcutsPermission;
 import static com.android.launcher3.util.PackageManagerHelper.isSystemApp;
 
 import android.appwidget.AppWidgetProviderInfo;
@@ -72,8 +73,9 @@
 import com.android.launcher3.pm.UserCache;
 import com.android.launcher3.provider.ImportDataTask;
 import com.android.launcher3.qsb.QsbContainerView;
-import com.android.launcher3.shortcuts.DeepShortcutManager;
 import com.android.launcher3.shortcuts.ShortcutKey;
+import com.android.launcher3.shortcuts.ShortcutRequest;
+import com.android.launcher3.shortcuts.ShortcutRequest.QueryResult;
 import com.android.launcher3.util.ComponentKey;
 import com.android.launcher3.util.IOUtils;
 import com.android.launcher3.util.LooperIdleLock;
@@ -114,7 +116,6 @@
     private final UserManager mUserManager;
     private final UserCache mUserCache;
 
-    private final DeepShortcutManager mShortcutManager;
     private final InstallSessionHelper mSessionHelper;
     private final IconCache mIconCache;
 
@@ -130,7 +131,6 @@
         mLauncherApps = mApp.getContext().getSystemService(LauncherApps.class);
         mUserManager = mApp.getContext().getSystemService(UserManager.class);
         mUserCache = UserCache.INSTANCE.get(mApp.getContext());
-        mShortcutManager = DeepShortcutManager.getInstance(mApp.getContext());
         mSessionHelper = InstallSessionHelper.INSTANCE.get(mApp.getContext());
         mIconCache = mApp.getIconCache();
     }
@@ -349,8 +349,8 @@
 
                     // We can only query for shortcuts when the user is unlocked.
                     if (userUnlocked) {
-                        DeepShortcutManager.QueryResult pinnedShortcuts =
-                                mShortcutManager.queryForPinnedShortcuts(null, user);
+                        QueryResult pinnedShortcuts = new ShortcutRequest(context, user)
+                                .query(ShortcutRequest.PINNED);
                         if (pinnedShortcuts.wasSuccess()) {
                             for (ShortcutInfo shortcut : pinnedShortcuts) {
                                 shortcutKeyToPinnedShortcuts.put(ShortcutKey.fromInfo(shortcut),
@@ -786,7 +786,7 @@
                 if ((numTimesPinned == null || numTimesPinned.value == 0)
                         && !pendingShortcuts.contains(key)) {
                     // Shortcut is pinned but doesn't exist on the workspace; unpin it.
-                    mShortcutManager.unpinShortcut(key);
+                    mBgDataModel.unpinShortcut(context, key);
                 }
             }
 
@@ -884,12 +884,12 @@
     private List<ShortcutInfo> loadDeepShortcuts() {
         List<ShortcutInfo> allShortcuts = new ArrayList<>();
         mBgDataModel.deepShortcutMap.clear();
-        mBgDataModel.hasShortcutHostPermission = mShortcutManager.hasHostPermission();
+        mBgDataModel.hasShortcutHostPermission = hasShortcutsPermission(mApp.getContext());
         if (mBgDataModel.hasShortcutHostPermission) {
             for (UserHandle user : mUserCache.getUserProfiles()) {
                 if (mUserManager.isUserUnlocked(user)) {
-                    List<ShortcutInfo> shortcuts =
-                            mShortcutManager.queryForAllShortcuts(user);
+                    List<ShortcutInfo> shortcuts = new ShortcutRequest(mApp.getContext(), user)
+                            .query(ShortcutRequest.ALL);
                     allShortcuts.addAll(shortcuts);
                     mBgDataModel.updateDeepShortcutCounts(null, user, shortcuts);
                 }
diff --git a/src/com/android/launcher3/model/PackageUpdatedTask.java b/src/com/android/launcher3/model/PackageUpdatedTask.java
index 3361ff0..48c56e9 100644
--- a/src/com/android/launcher3/model/PackageUpdatedTask.java
+++ b/src/com/android/launcher3/model/PackageUpdatedTask.java
@@ -41,7 +41,7 @@
 import com.android.launcher3.icons.IconCache;
 import com.android.launcher3.icons.LauncherIcons;
 import com.android.launcher3.logging.FileLog;
-import com.android.launcher3.shortcuts.DeepShortcutManager;
+import com.android.launcher3.shortcuts.ShortcutRequest;
 import com.android.launcher3.testing.TestProtocol;
 import com.android.launcher3.util.FlagOp;
 import com.android.launcher3.util.IntSparseArrayMap;
@@ -208,10 +208,11 @@
                             if (si.isPromise() && isNewApkAvailable) {
                                 boolean isTargetValid = true;
                                 if (si.itemType == Favorites.ITEM_TYPE_DEEP_SHORTCUT) {
-                                    List<ShortcutInfo> shortcut = DeepShortcutManager
-                                            .getInstance(context).queryForPinnedShortcuts(
-                                                    cn.getPackageName(),
-                                                    Arrays.asList(si.getDeepShortcutId()), mUser);
+                                    List<ShortcutInfo> shortcut =
+                                            new ShortcutRequest(context, mUser)
+                                                    .forPackage(cn.getPackageName(),
+                                                            si.getDeepShortcutId())
+                                                    .query(ShortcutRequest.PINNED);
                                     if (shortcut.isEmpty()) {
                                         isTargetValid = false;
                                     } else {
diff --git a/src/com/android/launcher3/model/ShortcutsChangedTask.java b/src/com/android/launcher3/model/ShortcutsChangedTask.java
index 05225d4..b0e7a69 100644
--- a/src/com/android/launcher3/model/ShortcutsChangedTask.java
+++ b/src/com/android/launcher3/model/ShortcutsChangedTask.java
@@ -24,8 +24,8 @@
 import com.android.launcher3.LauncherSettings;
 import com.android.launcher3.WorkspaceItemInfo;
 import com.android.launcher3.icons.LauncherIcons;
-import com.android.launcher3.shortcuts.DeepShortcutManager;
 import com.android.launcher3.shortcuts.ShortcutKey;
+import com.android.launcher3.shortcuts.ShortcutRequest;
 import com.android.launcher3.util.ItemInfoMatcher;
 import com.android.launcher3.util.MultiHashMap;
 
@@ -54,8 +54,6 @@
     @Override
     public void execute(LauncherAppState app, BgDataModel dataModel, AllAppsList apps) {
         final Context context = app.getContext();
-        DeepShortcutManager deepShortcutManager = DeepShortcutManager.getInstance(context);
-
         // Find WorkspaceItemInfo's that have changed on the workspace.
         HashSet<ShortcutKey> removedKeys = new HashSet<>();
         MultiHashMap<ShortcutKey, WorkspaceItemInfo> keyToShortcutInfo = new MultiHashMap<>();
@@ -74,8 +72,9 @@
         final ArrayList<WorkspaceItemInfo> updatedWorkspaceItemInfos = new ArrayList<>();
         if (!keyToShortcutInfo.isEmpty()) {
             // Update the workspace to reflect the changes to updated shortcuts residing on it.
-            List<ShortcutInfo> shortcuts = deepShortcutManager.queryForFullDetails(
-                    mPackageName, new ArrayList<>(allIds), mUser);
+            List<ShortcutInfo> shortcuts = new ShortcutRequest(context, mUser)
+                    .forPackage(mPackageName, new ArrayList<>(allIds))
+                    .query(ShortcutRequest.ALL);
             for (ShortcutInfo fullDetails : shortcuts) {
                 ShortcutKey key = ShortcutKey.fromInfo(fullDetails);
                 List<WorkspaceItemInfo> workspaceItemInfos = keyToShortcutInfo.remove(key);
diff --git a/src/com/android/launcher3/model/UserLockStateChangedTask.java b/src/com/android/launcher3/model/UserLockStateChangedTask.java
index 694ae1a..d527423 100644
--- a/src/com/android/launcher3/model/UserLockStateChangedTask.java
+++ b/src/com/android/launcher3/model/UserLockStateChangedTask.java
@@ -27,8 +27,9 @@
 import com.android.launcher3.LauncherSettings;
 import com.android.launcher3.WorkspaceItemInfo;
 import com.android.launcher3.icons.LauncherIcons;
-import com.android.launcher3.shortcuts.DeepShortcutManager;
 import com.android.launcher3.shortcuts.ShortcutKey;
+import com.android.launcher3.shortcuts.ShortcutRequest;
+import com.android.launcher3.shortcuts.ShortcutRequest.QueryResult;
 import com.android.launcher3.util.ComponentKey;
 import com.android.launcher3.util.ItemInfoMatcher;
 
@@ -52,12 +53,11 @@
     public void execute(LauncherAppState app, BgDataModel dataModel, AllAppsList apps) {
         Context context = app.getContext();
         boolean isUserUnlocked = context.getSystemService(UserManager.class).isUserUnlocked(mUser);
-        DeepShortcutManager deepShortcutManager = DeepShortcutManager.getInstance(context);
 
         HashMap<ShortcutKey, ShortcutInfo> pinnedShortcuts = new HashMap<>();
         if (isUserUnlocked) {
-            DeepShortcutManager.QueryResult shortcuts =
-                    deepShortcutManager.queryForPinnedShortcuts(null, mUser);
+            QueryResult shortcuts = new ShortcutRequest(context, mUser)
+                    .query(ShortcutRequest.PINNED);
             if (shortcuts.wasSuccess()) {
                 for (ShortcutInfo shortcut : shortcuts) {
                     pinnedShortcuts.put(ShortcutKey.fromInfo(shortcut), shortcut);
@@ -115,7 +115,8 @@
 
         if (isUserUnlocked) {
             dataModel.updateDeepShortcutCounts(
-                    null, mUser, deepShortcutManager.queryForAllShortcuts(mUser));
+                    null, mUser,
+                    new ShortcutRequest(context, mUser).query(ShortcutRequest.ALL));
         }
         bindDeepShortcuts(dataModel);
     }
diff --git a/src/com/android/launcher3/popup/PopupPopulator.java b/src/com/android/launcher3/popup/PopupPopulator.java
index 80c6683..947f49d 100644
--- a/src/com/android/launcher3/popup/PopupPopulator.java
+++ b/src/com/android/launcher3/popup/PopupPopulator.java
@@ -31,8 +31,8 @@
 import com.android.launcher3.notification.NotificationInfo;
 import com.android.launcher3.notification.NotificationKeyData;
 import com.android.launcher3.notification.NotificationListener;
-import com.android.launcher3.shortcuts.DeepShortcutManager;
 import com.android.launcher3.shortcuts.DeepShortcutView;
+import com.android.launcher3.shortcuts.ShortcutRequest;
 import com.android.launcher3.util.PackageUserKey;
 
 import java.util.ArrayList;
@@ -144,8 +144,9 @@
                 uiHandler.post(() -> container.applyNotificationInfos(infos));
             }
 
-            List<ShortcutInfo> shortcuts = DeepShortcutManager.getInstance(launcher)
-                    .queryForShortcutsContainer(activity, user);
+            List<ShortcutInfo> shortcuts = new ShortcutRequest(launcher, user)
+                    .withContainer(activity)
+                    .query(ShortcutRequest.PUBLISHED);
             String shortcutIdToDeDupe = notificationKeys.isEmpty() ? null
                     : notificationKeys.get(0).shortcutId;
             shortcuts = PopupPopulator.sortAndFilterShortcuts(shortcuts, shortcutIdToDeDupe);
diff --git a/src/com/android/launcher3/provider/RestoreDbTask.java b/src/com/android/launcher3/provider/RestoreDbTask.java
index fb33551..36ff07e 100644
--- a/src/com/android/launcher3/provider/RestoreDbTask.java
+++ b/src/com/android/launcher3/provider/RestoreDbTask.java
@@ -34,8 +34,8 @@
 import com.android.launcher3.LauncherAppWidgetInfo;
 import com.android.launcher3.LauncherProvider.DatabaseHelper;
 import com.android.launcher3.LauncherSettings.Favorites;
-import com.android.launcher3.WorkspaceItemInfo;
 import com.android.launcher3.Utilities;
+import com.android.launcher3.WorkspaceItemInfo;
 import com.android.launcher3.logging.FileLog;
 import com.android.launcher3.provider.LauncherDbUtils.SQLiteTransaction;
 import com.android.launcher3.util.IntArray;
@@ -112,9 +112,18 @@
             whereClause.append(" AND profileId != ?");
             profileIds[i] = Long.toString(profileMapping.keyAt(i));
         }
-        int itemsDeleted = db.delete(Favorites.TABLE_NAME, whereClause.toString(), profileIds);
-        if (itemsDeleted > 0) {
-            FileLog.d(TAG, itemsDeleted + " items from unrestored user(s) were deleted");
+        try {
+            int itemsDeleted = db.delete(Favorites.TABLE_NAME, whereClause.toString(), profileIds);
+            if (itemsDeleted > 0) {
+                FileLog.d(TAG, itemsDeleted + " items from unrestored user(s) were deleted");
+            }
+        } catch (IllegalArgumentException exception) {
+            // b/147114476
+            FileLog.e(TAG, new StringBuilder("Failed to execute delete, where clause: '")
+                    .append(whereClause).append("', profile Id size:").append(profileIds.length)
+                    .append("profileIds: ").append(String.join(", ", profileIds)).toString()
+            );
+            throw exception;
         }
 
         // Mark all items as restored.
diff --git a/src/com/android/launcher3/shortcuts/ShortcutKey.java b/src/com/android/launcher3/shortcuts/ShortcutKey.java
index 70665ca..fa1a85f 100644
--- a/src/com/android/launcher3/shortcuts/ShortcutKey.java
+++ b/src/com/android/launcher3/shortcuts/ShortcutKey.java
@@ -1,6 +1,7 @@
 package com.android.launcher3.shortcuts;
 
 import android.content.ComponentName;
+import android.content.Context;
 import android.content.Intent;
 import android.content.pm.ShortcutInfo;
 import android.os.UserHandle;
@@ -29,6 +30,14 @@
         return componentName.getClassName();
     }
 
+    /**
+     * Creates a {@link ShortcutRequest} for this key
+     */
+    public ShortcutRequest buildRequest(Context context) {
+        return new ShortcutRequest(context, user)
+                .forPackage(componentName.getPackageName(), getId());
+    }
+
     public static ShortcutKey fromInfo(ShortcutInfo shortcutInfo) {
         return new ShortcutKey(shortcutInfo.getPackage(), shortcutInfo.getUserHandle(),
                 shortcutInfo.getId());
diff --git a/src/com/android/launcher3/shortcuts/ShortcutRequest.java b/src/com/android/launcher3/shortcuts/ShortcutRequest.java
new file mode 100644
index 0000000..e6203b4
--- /dev/null
+++ b/src/com/android/launcher3/shortcuts/ShortcutRequest.java
@@ -0,0 +1,119 @@
+/*
+ * Copyright (C) 2020 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * 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.shortcuts;
+
+import static com.android.launcher3.model.WidgetsModel.GO_DISABLE_WIDGETS;
+
+import android.content.ComponentName;
+import android.content.Context;
+import android.content.pm.LauncherApps;
+import android.content.pm.LauncherApps.ShortcutQuery;
+import android.content.pm.ShortcutInfo;
+import android.os.UserHandle;
+import android.util.Log;
+
+import androidx.annotation.Nullable;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.List;
+
+/**
+ * Utility class to streamline Shortcut query
+ */
+public class ShortcutRequest {
+
+    private static final String TAG = "ShortcutRequest";
+
+    public static final int ALL = ShortcutQuery.FLAG_MATCH_DYNAMIC
+            | ShortcutQuery.FLAG_MATCH_MANIFEST | ShortcutQuery.FLAG_MATCH_PINNED;
+    public static final int PUBLISHED = ShortcutQuery.FLAG_MATCH_DYNAMIC
+            | ShortcutQuery.FLAG_MATCH_MANIFEST;
+    public static final int PINNED = ShortcutQuery.FLAG_MATCH_PINNED;
+
+    private final ShortcutQuery mQuery = GO_DISABLE_WIDGETS ? null : new ShortcutQuery();
+
+    private final Context mContext;
+    private final UserHandle mUserHandle;
+
+    boolean mFailed = false;
+
+    public ShortcutRequest(Context context, UserHandle userHandle) {
+        mContext = context;
+        mUserHandle = userHandle;
+    }
+
+    public ShortcutRequest forPackage(String packageName, String... shortcutIds) {
+        return forPackage(packageName, Arrays.asList(shortcutIds));
+    }
+
+    public ShortcutRequest forPackage(String packageName, @Nullable List<String> shortcutIds) {
+        if (!GO_DISABLE_WIDGETS && packageName != null) {
+            mQuery.setPackage(packageName);
+            mQuery.setShortcutIds(shortcutIds);
+        }
+        return this;
+    }
+
+    public ShortcutRequest withContainer(@Nullable ComponentName activity) {
+        if (!GO_DISABLE_WIDGETS) {
+            if (activity == null) {
+                mFailed = true;
+            } else {
+                mQuery.setActivity(activity);
+            }
+        }
+        return this;
+    }
+
+    public QueryResult query(int flags) {
+        if (GO_DISABLE_WIDGETS || mFailed) {
+            return QueryResult.DEFAULT;
+        }
+        mQuery.setQueryFlags(flags);
+
+        try {
+            return new QueryResult(mContext.getSystemService(LauncherApps.class)
+                    .getShortcuts(mQuery, mUserHandle));
+        } catch (SecurityException | IllegalStateException e) {
+            Log.e(TAG, "Failed to query for shortcuts", e);
+            return QueryResult.DEFAULT;
+        }
+    }
+
+    public static class QueryResult extends ArrayList<ShortcutInfo> {
+
+        static final QueryResult DEFAULT = new QueryResult(GO_DISABLE_WIDGETS);
+
+        private final boolean mWasSuccess;
+
+        QueryResult(List<ShortcutInfo> result) {
+            super(result == null ? Collections.emptyList() : result);
+            mWasSuccess = true;
+        }
+
+        QueryResult(boolean wasSuccess) {
+            mWasSuccess = wasSuccess;
+        }
+
+
+        public boolean wasSuccess() {
+            return mWasSuccess;
+        }
+    }
+}
diff --git a/src/com/android/launcher3/util/Executors.java b/src/com/android/launcher3/util/Executors.java
index 4d5ee49..0a32734 100644
--- a/src/com/android/launcher3/util/Executors.java
+++ b/src/com/android/launcher3/util/Executors.java
@@ -19,7 +19,6 @@
 import android.os.Looper;
 import android.os.Process;
 
-import java.util.concurrent.Executor;
 import java.util.concurrent.LinkedBlockingQueue;
 import java.util.concurrent.ThreadPoolExecutor;
 import java.util.concurrent.TimeUnit;
@@ -36,9 +35,9 @@
     private static final int KEEP_ALIVE = 1;
 
     /**
-     * An {@link Executor} to be used with async task with no limit on the queue size.
+     * An {@link ThreadPoolExecutor} to be used with async task with no limit on the queue size.
      */
-    public static final Executor THREAD_POOL_EXECUTOR = new ThreadPoolExecutor(
+    public static final ThreadPoolExecutor THREAD_POOL_EXECUTOR = new ThreadPoolExecutor(
             CORE_POOL_SIZE, MAXIMUM_POOL_SIZE, KEEP_ALIVE,
             TimeUnit.SECONDS, new LinkedBlockingQueue<>());
 
diff --git a/src/com/android/launcher3/util/LooperExecutor.java b/src/com/android/launcher3/util/LooperExecutor.java
index 8ac600f..3a8a13c 100644
--- a/src/com/android/launcher3/util/LooperExecutor.java
+++ b/src/com/android/launcher3/util/LooperExecutor.java
@@ -41,10 +41,10 @@
 
     @Override
     public void execute(Runnable runnable) {
-        if (mHandler.getLooper() == Looper.myLooper()) {
+        if (getHandler().getLooper() == Looper.myLooper()) {
             runnable.run();
         } else {
-            mHandler.post(runnable);
+            getHandler().post(runnable);
         }
     }
 
@@ -52,7 +52,7 @@
      * Same as execute, but never runs the action inline.
      */
     public void post(Runnable runnable) {
-        mHandler.post(runnable);
+        getHandler().post(runnable);
     }
 
     /**
@@ -96,14 +96,14 @@
      * Returns the thread for this executor
      */
     public Thread getThread() {
-        return mHandler.getLooper().getThread();
+        return getHandler().getLooper().getThread();
     }
 
     /**
      * Returns the looper for this executor
      */
     public Looper getLooper() {
-        return mHandler.getLooper();
+        return getHandler().getLooper();
     }
 
     /**
diff --git a/src/com/android/launcher3/util/PackageManagerHelper.java b/src/com/android/launcher3/util/PackageManagerHelper.java
index 2d56ce7..8b2ee36 100644
--- a/src/com/android/launcher3/util/PackageManagerHelper.java
+++ b/src/com/android/launcher3/util/PackageManagerHelper.java
@@ -332,4 +332,17 @@
         }
         return false;
     }
+
+    /**
+     * Returns true if Launcher has the permission to access shortcuts.
+     * @see LauncherApps#hasShortcutHostPermission()
+     */
+    public static boolean hasShortcutsPermission(Context context) {
+        try {
+            return context.getSystemService(LauncherApps.class).hasShortcutHostPermission();
+        } catch (SecurityException | IllegalStateException e) {
+            Log.e(TAG, "Failed to make shortcut manager call", e);
+        }
+        return false;
+    }
 }
diff --git a/src_plugins/com/android/systemui/plugins/OverscrollPlugin.java b/src_plugins/com/android/systemui/plugins/OverscrollPlugin.java
index 60eb304..28a9193 100644
--- a/src_plugins/com/android/systemui/plugins/OverscrollPlugin.java
+++ b/src_plugins/com/android/systemui/plugins/OverscrollPlugin.java
@@ -24,11 +24,11 @@
  * the user to a more recent app).
  */
 @ProvidesInterface(action = com.android.systemui.plugins.OverscrollPlugin.ACTION,
-        version = com.android.systemui.plugins.OverlayPlugin.VERSION)
+        version = com.android.systemui.plugins.OverscrollPlugin.VERSION)
 public interface OverscrollPlugin extends Plugin {
 
     String ACTION = "com.android.systemui.action.PLUGIN_LAUNCHER_OVERSCROLL";
-    int VERSION = 1;
+    int VERSION = 3;
 
     String DEVICE_STATE_LOCKED = "Locked";
     String DEVICE_STATE_LAUNCHER = "Launcher";
@@ -36,9 +36,38 @@
     String DEVICE_STATE_UNKNOWN = "Unknown";
 
     /**
-     * Called when the user completed a right to left swipe in the gesture area.
-     *
-     * @param deviceState One of the DEVICE_STATE_* constants.
+     * @return true if the plugin is active and will accept overscroll gestures
      */
-    void onOverscroll(String deviceState);
+    boolean isActive();
+
+    /**
+     * Called when a touch is down and has been recognized as an overscroll gesture.
+     * A call of this method will always result in `onTouchUp` being called, and possibly
+     * `onFling` as well.
+     *
+     * @param deviceState String representing the current device state
+     * @param underlyingActivity String representing the currently active Activity
+     */
+    void onTouchStart(String deviceState, String underlyingActivity);
+
+    /**
+     * Called when a touch that was previously recognized has moved.
+     *
+     * @param px distance between the position of touch on this update and the position of the
+     * touch when it was initially recognized.
+     */
+    void onTouchTraveled(int px);
+
+    /**
+     * Called when a touch that was previously recognized has ended.
+     *
+     * @param px distance between the position of touch on this update and the position of the
+     * touch when it was initially recognized.
+     */
+    void onTouchEnd(int px);
+
+    /**
+     * Called when the user starts Compose with a fling. `onTouchUp` will also be called.
+     */
+    void onFling(float velocity);
 }
diff --git a/src_shortcuts_overrides/com/android/launcher3/shortcuts/DeepShortcutManager.java b/src_shortcuts_overrides/com/android/launcher3/shortcuts/DeepShortcutManager.java
deleted file mode 100644
index 57f4164..0000000
--- a/src_shortcuts_overrides/com/android/launcher3/shortcuts/DeepShortcutManager.java
+++ /dev/null
@@ -1,213 +0,0 @@
-/*
- * Copyright (C) 2016 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.shortcuts;
-
-import android.content.ComponentName;
-import android.content.Context;
-import android.content.pm.LauncherApps;
-import android.content.pm.LauncherApps.ShortcutQuery;
-import android.content.pm.ShortcutInfo;
-import android.graphics.Rect;
-import android.graphics.drawable.Drawable;
-import android.os.Bundle;
-import android.os.UserHandle;
-import android.util.Log;
-
-import androidx.annotation.Nullable;
-
-import java.util.ArrayList;
-import java.util.Collections;
-import java.util.List;
-
-/**
- * Performs operations related to deep shortcuts, such as querying for them, pinning them, etc.
- */
-public class DeepShortcutManager {
-    private static final String TAG = "DeepShortcutManager";
-
-    private static final int FLAG_GET_ALL = ShortcutQuery.FLAG_MATCH_DYNAMIC
-            | ShortcutQuery.FLAG_MATCH_MANIFEST | ShortcutQuery.FLAG_MATCH_PINNED;
-
-    private static DeepShortcutManager sInstance;
-
-    public static DeepShortcutManager getInstance(Context context) {
-        if (sInstance == null) {
-            sInstance = new DeepShortcutManager(context.getApplicationContext());
-        }
-        return sInstance;
-    }
-
-    private final LauncherApps mLauncherApps;
-
-    private DeepShortcutManager(Context context) {
-        mLauncherApps = (LauncherApps) context.getSystemService(Context.LAUNCHER_APPS_SERVICE);
-    }
-
-    /**
-     * Queries for the shortcuts with the package name and provided ids.
-     *
-     * This method is intended to get the full details for shortcuts when they are added or updated,
-     * because we only get "key" fields in onShortcutsChanged().
-     */
-    public QueryResult queryForFullDetails(String packageName,
-            List<String> shortcutIds, UserHandle user) {
-        return query(FLAG_GET_ALL, packageName, null, shortcutIds, user);
-    }
-
-    /**
-     * Gets all the manifest and dynamic shortcuts associated with the given package and user,
-     * to be displayed in the shortcuts container on long press.
-     */
-    public QueryResult queryForShortcutsContainer(@Nullable ComponentName activity,
-            UserHandle user) {
-        if (activity == null) return QueryResult.FAILURE;
-        return query(ShortcutQuery.FLAG_MATCH_MANIFEST | ShortcutQuery.FLAG_MATCH_DYNAMIC,
-                activity.getPackageName(), activity, null, user);
-    }
-
-    /**
-     * Removes the given shortcut from the current list of pinned shortcuts.
-     * (Runs on background thread)
-     */
-    public void unpinShortcut(final ShortcutKey key) {
-        String packageName = key.componentName.getPackageName();
-        String id = key.getId();
-        UserHandle user = key.user;
-        List<String> pinnedIds = extractIds(queryForPinnedShortcuts(packageName, user));
-        pinnedIds.remove(id);
-        try {
-            mLauncherApps.pinShortcuts(packageName, pinnedIds, user);
-        } catch (SecurityException|IllegalStateException e) {
-            Log.w(TAG, "Failed to unpin shortcut", e);
-        }
-    }
-
-    /**
-     * Adds the given shortcut to the current list of pinned shortcuts.
-     * (Runs on background thread)
-     */
-    public void pinShortcut(final ShortcutKey key) {
-        String packageName = key.componentName.getPackageName();
-        String id = key.getId();
-        UserHandle user = key.user;
-        List<String> pinnedIds = extractIds(queryForPinnedShortcuts(packageName, user));
-        pinnedIds.add(id);
-        try {
-            mLauncherApps.pinShortcuts(packageName, pinnedIds, user);
-        } catch (SecurityException|IllegalStateException e) {
-            Log.w(TAG, "Failed to pin shortcut", e);
-        }
-    }
-
-    public void startShortcut(String packageName, String id, Rect sourceBounds,
-          Bundle startActivityOptions, UserHandle user) {
-        try {
-            mLauncherApps.startShortcut(packageName, id, sourceBounds,
-                    startActivityOptions, user);
-        } catch (SecurityException|IllegalStateException e) {
-            Log.e(TAG, "Failed to start shortcut", e);
-        }
-    }
-
-    public Drawable getShortcutIconDrawable(ShortcutInfo shortcutInfo, int density) {
-        try {
-            return mLauncherApps.getShortcutIconDrawable(shortcutInfo, density);
-        } catch (SecurityException|IllegalStateException e) {
-            Log.e(TAG, "Failed to get shortcut icon", e);
-            return null;
-        }
-    }
-
-    /**
-     * Returns the id's of pinned shortcuts associated with the given package and user.
-     *
-     * If packageName is null, returns all pinned shortcuts regardless of package.
-     */
-    public QueryResult queryForPinnedShortcuts(String packageName, UserHandle user) {
-        return queryForPinnedShortcuts(packageName, null, user);
-    }
-
-    public QueryResult queryForPinnedShortcuts(String packageName, List<String> shortcutIds,
-            UserHandle user) {
-        return query(ShortcutQuery.FLAG_MATCH_PINNED, packageName, null, shortcutIds, user);
-    }
-
-    public QueryResult queryForAllShortcuts(UserHandle user) {
-        return query(FLAG_GET_ALL, null, null, null, user);
-    }
-
-    private static List<String> extractIds(List<ShortcutInfo> shortcuts) {
-        List<String> shortcutIds = new ArrayList<>(shortcuts.size());
-        for (ShortcutInfo shortcut : shortcuts) {
-            shortcutIds.add(shortcut.getId());
-        }
-        return shortcutIds;
-    }
-
-    /**
-     * Query the system server for all the shortcuts matching the given parameters.
-     * If packageName == null, we query for all shortcuts with the passed flags, regardless of app.
-     *
-     * TODO: Use the cache to optimize this so we don't make an RPC every time.
-     */
-    private QueryResult query(int flags, String packageName, ComponentName activity,
-            List<String> shortcutIds, UserHandle user) {
-        ShortcutQuery q = new ShortcutQuery();
-        q.setQueryFlags(flags);
-        if (packageName != null) {
-            q.setPackage(packageName);
-            q.setActivity(activity);
-            q.setShortcutIds(shortcutIds);
-        }
-        try {
-            return new QueryResult(mLauncherApps.getShortcuts(q, user));
-        } catch (SecurityException|IllegalStateException e) {
-            Log.e(TAG, "Failed to query for shortcuts", e);
-            return QueryResult.FAILURE;
-        }
-    }
-
-    public boolean hasHostPermission() {
-        try {
-            return mLauncherApps.hasShortcutHostPermission();
-        } catch (SecurityException|IllegalStateException e) {
-            Log.e(TAG, "Failed to make shortcut manager call", e);
-        }
-        return false;
-    }
-
-    public static class QueryResult extends ArrayList<ShortcutInfo> {
-
-        static QueryResult FAILURE = new QueryResult();
-
-        private final boolean mWasSuccess;
-
-        QueryResult(List<ShortcutInfo> result) {
-            super(result == null ? Collections.emptyList() : result);
-            mWasSuccess = true;
-        }
-
-        QueryResult() {
-            mWasSuccess = false;
-        }
-
-
-        public boolean wasSuccess() {
-            return mWasSuccess;
-        }
-    }
-}
diff --git a/tests/Android.mk b/tests/Android.mk
index 83fdddc..d1a6c06 100644
--- a/tests/Android.mk
+++ b/tests/Android.mk
@@ -57,7 +57,7 @@
     LOCAL_PRIVATE_PLATFORM_APIS := true
     LOCAL_STATIC_JAVA_LIBRARIES += launcher-aosp-tapl
 else
-    LOCAL_SDK_VERSION := 28
+    LOCAL_SDK_VERSION := system_28
     LOCAL_MIN_SDK_VERSION := 21
     LOCAL_STATIC_JAVA_LIBRARIES += ub-launcher-aosp-tapl
 endif
diff --git a/tests/tapl/com/android/launcher3/tapl/TestHelpers.java b/tests/tapl/com/android/launcher3/tapl/TestHelpers.java
index e882171..b8791e8 100644
--- a/tests/tapl/com/android/launcher3/tapl/TestHelpers.java
+++ b/tests/tapl/com/android/launcher3/tapl/TestHelpers.java
@@ -151,8 +151,7 @@
                     ? "Current time: " + new Date(System.currentTimeMillis()) + "\n" + errors
                     : null;
         } catch (Exception e) {
-            return "Failed to get system health diags, maybe build your test via .bp instead of "
-                    + ".mk? " + android.util.Log.getStackTraceString(e);
+            return null;
         }
     }
 }