diff --git a/src/com/android/launcher3/Launcher.java b/src/com/android/launcher3/Launcher.java
index 106a11b..6b2be3b 100644
--- a/src/com/android/launcher3/Launcher.java
+++ b/src/com/android/launcher3/Launcher.java
@@ -119,6 +119,7 @@
 import com.android.launcher3.userevent.nano.LauncherLogProto.ContainerType;
 import com.android.launcher3.userevent.nano.LauncherLogProto.ControlType;
 import com.android.launcher3.util.ActivityResultInfo;
+import com.android.launcher3.util.RunnableWithId;
 import com.android.launcher3.util.ComponentKey;
 import com.android.launcher3.util.ItemInfoMatcher;
 import com.android.launcher3.util.MultiHashMap;
@@ -146,6 +147,9 @@
 import java.util.Set;
 import java.util.concurrent.Executor;
 
+import static com.android.launcher3.util.RunnableWithId.RUNNABLE_ID_BIND_APPS;
+import static com.android.launcher3.util.RunnableWithId.RUNNABLE_ID_BIND_WIDGETS;
+
 /**
  * Default launcher application.
  */
@@ -246,7 +250,6 @@
 
     // Main container view and the model for the widget tray screen.
     @Thunk WidgetsContainerView mWidgetsView;
-    @Thunk MultiHashMap<PackageItemInfo, WidgetItem> mAllWidgets;
 
     // We set the state in both onCreate and then onNewIntent in some cases, which causes both
     // scroll issues (because the workspace may not have been measured yet) and extra work.
@@ -3111,12 +3114,12 @@
      *
      * @return {@code true} if we are currently paused. The caller might be able to skip some work
      */
-    @Thunk boolean waitUntilResume(Runnable run, boolean deletePreviousRunnables) {
+    @Thunk boolean waitUntilResume(Runnable run) {
         if (mPaused) {
             if (LOGD) Log.d(TAG, "Deferring update until onResume");
-            if (deletePreviousRunnables) {
-                while (mBindOnResumeCallbacks.remove(run)) {
-                }
+            if (run instanceof RunnableWithId) {
+                // Remove any runnables which have the same id
+                while (mBindOnResumeCallbacks.remove(run)) { }
             }
             mBindOnResumeCallbacks.add(run);
             return true;
@@ -3125,10 +3128,6 @@
         }
     }
 
-    private boolean waitUntilResume(Runnable run) {
-        return waitUntilResume(run, false);
-    }
-
     public void addOnResumeCallback(Runnable run) {
         mOnResumeCallbacks.add(run);
     }
@@ -3247,13 +3246,13 @@
         }
     }
 
+    @Override
     public void bindAppsAdded(final ArrayList<Long> newScreens,
                               final ArrayList<ItemInfo> addNotAnimated,
-                              final ArrayList<ItemInfo> addAnimated,
-                              final ArrayList<AppInfo> addedApps) {
+                              final ArrayList<ItemInfo> addAnimated) {
         Runnable r = new Runnable() {
             public void run() {
-                bindAppsAdded(newScreens, addNotAnimated, addAnimated, addedApps);
+                bindAppsAdded(newScreens, addNotAnimated, addAnimated);
             }
         };
         if (waitUntilResume(r)) {
@@ -3268,20 +3267,14 @@
         // We add the items without animation on non-visible pages, and with
         // animations on the new page (which we will try and snap to).
         if (addNotAnimated != null && !addNotAnimated.isEmpty()) {
-            bindItems(addNotAnimated, 0,
-                    addNotAnimated.size(), false);
+            bindItems(addNotAnimated, false);
         }
         if (addAnimated != null && !addAnimated.isEmpty()) {
-            bindItems(addAnimated, 0,
-                    addAnimated.size(), true);
+            bindItems(addAnimated, true);
         }
 
         // Remove the extra empty screen
         mWorkspace.removeExtraEmptyScreen(false, false);
-
-        if (addedApps != null && mAppsView != null) {
-            mAppsView.addApps(addedApps);
-        }
     }
 
     /**
@@ -3290,11 +3283,10 @@
      * Implementation of the method from LauncherModel.Callbacks.
      */
     @Override
-    public void bindItems(final ArrayList<ItemInfo> items, final int start, final int end,
-                          final boolean forceAnimateIcons) {
+    public void bindItems(final List<ItemInfo> items, final boolean forceAnimateIcons) {
         Runnable r = new Runnable() {
             public void run() {
-                bindItems(items, start, end, forceAnimateIcons);
+                bindItems(items, forceAnimateIcons);
             }
         };
         if (waitUntilResume(r)) {
@@ -3307,7 +3299,8 @@
         final boolean animateIcons = forceAnimateIcons && canRunNewAppsAnimation();
         Workspace workspace = mWorkspace;
         long newItemsScreenId = -1;
-        for (int i = start; i < end; i++) {
+        int end = items.size();
+        for (int i = 0; i < end; i++) {
             final ItemInfo item = items.get(i);
 
             // Short circuit if we are loading dock items for a configuration which has no dock
@@ -3332,19 +3325,10 @@
                     break;
                 }
                 case LauncherSettings.Favorites.ITEM_TYPE_APPWIDGET: {
-                    LauncherAppWidgetInfo info = (LauncherAppWidgetInfo) item;
-                    if (mIsSafeModeEnabled) {
-                        view = new PendingAppWidgetHostView(this, info, mIconCache, true);
-                    } else {
-                        LauncherAppWidgetProviderInfo providerInfo =
-                                mAppWidgetManager.getLauncherAppWidgetInfo(info.appWidgetId);
-                        if (providerInfo == null) {
-                            deleteWidgetInfo(info);
-                            continue;
-                        }
-                        view = mAppWidgetHost.createView(this, info.appWidgetId, providerInfo);
+                    view = inflateAppWidget((LauncherAppWidgetInfo) item);
+                    if (view == null) {
+                        continue;
                     }
-                    prepareAppWidget((AppWidgetHostView) view, info);
                     break;
                 }
                 default:
@@ -3414,26 +3398,21 @@
 
     /**
      * Add the views for a widget to the workspace.
-     *
-     * Implementation of the method from LauncherModel.Callbacks.
      */
-    public void bindAppWidget(final LauncherAppWidgetInfo item) {
-        Runnable r = new Runnable() {
-            public void run() {
-                bindAppWidget(item);
-            }
-        };
-        if (waitUntilResume(r)) {
-            return;
+    public void bindAppWidget(LauncherAppWidgetInfo item) {
+        View view = inflateAppWidget(item);
+        if (view != null) {
+            mWorkspace.addInScreen(view, item);
+            mWorkspace.requestLayout();
         }
+    }
 
+    private View inflateAppWidget(LauncherAppWidgetInfo item) {
         if (mIsSafeModeEnabled) {
             PendingAppWidgetHostView view =
                     new PendingAppWidgetHostView(this, item, mIconCache, true);
             prepareAppWidget(view, item);
-            mWorkspace.addInScreen(view, item);
-            mWorkspace.requestLayout();
-            return;
+            return view;
         }
 
         final long start = DEBUG_WIDGETS ? SystemClock.uptimeMillis() : 0;
@@ -3463,7 +3442,7 @@
                             + ", as the provider is null");
                 }
                 getModelWriter().deleteItemFromDatabase(item);
-                return;
+                return null;
             }
 
             // If we do not have a valid id, try to bind an id.
@@ -3531,7 +3510,7 @@
             if (appWidgetInfo == null) {
                 FileLog.e(TAG, "Removing invalid widget: id=" + item.appWidgetId);
                 deleteWidgetInfo(item);
-                return;
+                return null;
             }
 
             item.minSpanX = appWidgetInfo.minSpanX;
@@ -3541,13 +3520,12 @@
             view = new PendingAppWidgetHostView(this, item, mIconCache, false);
         }
         prepareAppWidget(view, item);
-        mWorkspace.addInScreen(view, item);
-        mWorkspace.requestLayout();
 
         if (DEBUG_WIDGETS) {
             Log.d(TAG, "bound widget id="+item.appWidgetId+" in "
                     + (SystemClock.uptimeMillis()-start) + "ms");
         }
+        return view;
     }
 
     /**
@@ -3683,25 +3661,17 @@
     }
 
     /**
-     * A runnable that we can dequeue and re-enqueue when all applications are bound (to prevent
-     * multiple calls to bind the same list.)
-     */
-    @Thunk ArrayList<AppInfo> mTmpAppsList;
-    private final Runnable mBindAllApplicationsRunnable = new Runnable() {
-        public void run() {
-            bindAllApplications(mTmpAppsList);
-            mTmpAppsList = null;
-        }
-    };
-
-    /**
      * Add the icons for all apps.
      *
      * Implementation of the method from LauncherModel.Callbacks.
      */
     public void bindAllApplications(final ArrayList<AppInfo> apps) {
-        if (waitUntilResume(mBindAllApplicationsRunnable, true)) {
-            mTmpAppsList = apps;
+        Runnable r = new RunnableWithId(RUNNABLE_ID_BIND_APPS) {
+            public void run() {
+                bindAllApplications(apps);
+            }
+        };
+        if (waitUntilResume(r)) {
             return;
         }
 
@@ -3709,10 +3679,10 @@
             Executor pendingExecutor = getPendingExecutor();
             if (pendingExecutor != null && mState != State.APPS) {
                 // Wait until the fade in animation has finished before setting all apps list.
-                mTmpAppsList = apps;
-                pendingExecutor.execute(mBindAllApplicationsRunnable);
+                pendingExecutor.execute(r);
                 return;
             }
+
             mAppsView.setApps(apps);
         }
         if (mLauncherCallbacks != null) {
@@ -3742,10 +3712,10 @@
      *
      * Implementation of the method from LauncherModel.Callbacks.
      */
-    public void bindAppsUpdated(final ArrayList<AppInfo> apps) {
+    public void bindAppsAddedOrUpdated(final ArrayList<AppInfo> apps) {
         Runnable r = new Runnable() {
             public void run() {
-                bindAppsUpdated(apps);
+                bindAppsAddedOrUpdated(apps);
             }
         };
         if (waitUntilResume(r)) {
@@ -3753,7 +3723,7 @@
         }
 
         if (mAppsView != null) {
-            mAppsView.updateApps(apps);
+            mAppsView.addOrUpdateApps(apps);
         }
     }
 
@@ -3906,28 +3876,25 @@
         }
     }
 
-    private final Runnable mBindAllWidgetsRunnable = new Runnable() {
+    @Override
+    public void bindAllWidgets(final MultiHashMap<PackageItemInfo, WidgetItem> allWidgets) {
+        Runnable r = new RunnableWithId(RUNNABLE_ID_BIND_WIDGETS) {
+            @Override
             public void run() {
-                bindAllWidgets(mAllWidgets);
+                bindAllWidgets(allWidgets);
             }
         };
-
-    @Override
-    public void bindAllWidgets(MultiHashMap<PackageItemInfo, WidgetItem> allWidgets) {
-        if (waitUntilResume(mBindAllWidgetsRunnable, true)) {
-            mAllWidgets = allWidgets;
+        if (waitUntilResume(r)) {
             return;
         }
 
         if (mWidgetsView != null && allWidgets != null) {
             Executor pendingExecutor = getPendingExecutor();
             if (pendingExecutor != null && mState != State.WIDGETS) {
-                mAllWidgets = allWidgets;
-                pendingExecutor.execute(mBindAllWidgetsRunnable);
+                pendingExecutor.execute(r);
                 return;
             }
             mWidgetsView.setWidgets(allWidgets);
-            mAllWidgets = null;
         }
 
         AbstractFloatingView topView = AbstractFloatingView.getTopOpenView(this);
diff --git a/src/com/android/launcher3/LauncherModel.java b/src/com/android/launcher3/LauncherModel.java
index 1007748..22d62ec 100644
--- a/src/com/android/launcher3/LauncherModel.java
+++ b/src/com/android/launcher3/LauncherModel.java
@@ -138,18 +138,15 @@
         public int getCurrentWorkspaceScreen();
         public void clearPendingBinds();
         public void startBinding();
-        public void bindItems(ArrayList<ItemInfo> shortcuts, int start, int end,
-                              boolean forceAnimateIcons);
+        public void bindItems(List<ItemInfo> shortcuts, boolean forceAnimateIcons);
         public void bindScreens(ArrayList<Long> orderedScreenIds);
         public void finishFirstPageBind(ViewOnDrawExecutor executor);
         public void finishBindingItems();
-        public void bindAppWidget(LauncherAppWidgetInfo info);
         public void bindAllApplications(ArrayList<AppInfo> apps);
+        public void bindAppsAddedOrUpdated(ArrayList<AppInfo> apps);
         public void bindAppsAdded(ArrayList<Long> newScreens,
                                   ArrayList<ItemInfo> addNotAnimated,
-                                  ArrayList<ItemInfo> addAnimated,
-                                  ArrayList<AppInfo> addedApps);
-        public void bindAppsUpdated(ArrayList<AppInfo> apps);
+                                  ArrayList<ItemInfo> addAnimated);
         public void bindPromiseAppProgressUpdated(PromiseAppInfo app);
         public void bindShortcutsChanged(ArrayList<ShortcutInfo> updated,
                 ArrayList<ShortcutInfo> removed, UserHandle user);
@@ -537,7 +534,7 @@
                     scheduleCallbackTask(new CallbackTask() {
                         @Override
                         public void execute(Callbacks callbacks) {
-                            callbacks.bindAppsAdded(null, null, null, arrayList);
+                            callbacks.bindAppsAddedOrUpdated(arrayList);
                         }
                     });
                 }
diff --git a/src/com/android/launcher3/LauncherRootView.java b/src/com/android/launcher3/LauncherRootView.java
index 643d48a..a814323 100644
--- a/src/com/android/launcher3/LauncherRootView.java
+++ b/src/com/android/launcher3/LauncherRootView.java
@@ -11,6 +11,9 @@
 import android.view.View;
 import android.view.ViewDebug;
 
+import static com.android.launcher3.util.SystemUiController.FLAG_DARK_NAV;
+import static com.android.launcher3.util.SystemUiController.UI_STATE_ROOT_VIEW;
+
 public class LauncherRootView extends InsettableFrameLayout {
 
     private final Paint mOpaquePaint;
@@ -44,20 +47,28 @@
     @TargetApi(23)
     @Override
     protected boolean fitSystemWindows(Rect insets) {
-        boolean rawInsetsChanged = !mInsets.equals(insets);
         mDrawSideInsetBar = (insets.right > 0 || insets.left > 0) &&
                 (!Utilities.ATLEAST_MARSHMALLOW ||
-                getContext().getSystemService(ActivityManager.class).isLowRamDevice());
-        mRightInsetBarWidth = insets.right;
-        mLeftInsetBarWidth = insets.left;
-        setInsets(mDrawSideInsetBar ? new Rect(0, insets.top, 0, insets.bottom) : insets);
+                        getContext().getSystemService(ActivityManager.class).isLowRamDevice());
+        if (mDrawSideInsetBar) {
+            mLeftInsetBarWidth = insets.left;
+            mRightInsetBarWidth = insets.right;
+            insets = new Rect(0, insets.top, 0, insets.bottom);
+        } else {
+            mLeftInsetBarWidth = mRightInsetBarWidth = 0;
+        }
+        Launcher.getLauncher(getContext()).getSystemUiController().updateUiState(
+                UI_STATE_ROOT_VIEW, mDrawSideInsetBar ? FLAG_DARK_NAV : 0);
 
-        if (mAlignedView != null && mDrawSideInsetBar) {
+        boolean rawInsetsChanged = !mInsets.equals(insets);
+        setInsets(insets);
+
+        if (mAlignedView != null) {
             // Apply margins on aligned view to handle left/right insets.
             MarginLayoutParams lp = (MarginLayoutParams) mAlignedView.getLayoutParams();
-            if (lp.leftMargin != insets.left || lp.rightMargin != insets.right) {
-                lp.leftMargin = insets.left;
-                lp.rightMargin = insets.right;
+            if (lp.leftMargin != mLeftInsetBarWidth || lp.rightMargin != mRightInsetBarWidth) {
+                lp.leftMargin = mLeftInsetBarWidth;
+                lp.rightMargin = mRightInsetBarWidth;
                 mAlignedView.setLayoutParams(lp);
             }
         }
diff --git a/src/com/android/launcher3/accessibility/LauncherAccessibilityDelegate.java b/src/com/android/launcher3/accessibility/LauncherAccessibilityDelegate.java
index 3433533..a0ad07a 100644
--- a/src/com/android/launcher3/accessibility/LauncherAccessibilityDelegate.java
+++ b/src/com/android/launcher3/accessibility/LauncherAccessibilityDelegate.java
@@ -173,7 +173,7 @@
 
                         ArrayList<ItemInfo> itemList = new ArrayList<>();
                         itemList.add(info);
-                        mLauncher.bindItems(itemList, 0, itemList.size(), true);
+                        mLauncher.bindItems(itemList, true);
                     } else if (item instanceof PendingAddItemInfo) {
                         PendingAddItemInfo info = (PendingAddItemInfo) item;
                         Workspace workspace = mLauncher.getWorkspace();
@@ -205,7 +205,7 @@
                 public void run() {
                     ArrayList<ItemInfo> itemList = new ArrayList<>();
                     itemList.add(item);
-                    mLauncher.bindItems(itemList, 0, itemList.size(), true);
+                    mLauncher.bindItems(itemList, true);
                     announceConfirmation(R.string.item_moved);
                 }
             });
diff --git a/src/com/android/launcher3/accessibility/ShortcutMenuAccessibilityDelegate.java b/src/com/android/launcher3/accessibility/ShortcutMenuAccessibilityDelegate.java
index b7c500f..5b7353a 100644
--- a/src/com/android/launcher3/accessibility/ShortcutMenuAccessibilityDelegate.java
+++ b/src/com/android/launcher3/accessibility/ShortcutMenuAccessibilityDelegate.java
@@ -73,7 +73,7 @@
                             screenId, coordinates[0], coordinates[1]);
                     ArrayList<ItemInfo> itemList = new ArrayList<>();
                     itemList.add(info);
-                    mLauncher.bindItems(itemList, 0, itemList.size(), true);
+                    mLauncher.bindItems(itemList, true);
                     AbstractFloatingView.closeAllOpenViews(mLauncher);
                     announceConfirmation(R.string.item_added_to_workspace);
                 }
diff --git a/src/com/android/launcher3/allapps/AllAppsContainerView.java b/src/com/android/launcher3/allapps/AllAppsContainerView.java
index 93f04e9..97a87c1 100644
--- a/src/com/android/launcher3/allapps/AllAppsContainerView.java
+++ b/src/com/android/launcher3/allapps/AllAppsContainerView.java
@@ -128,18 +128,10 @@
     }
 
     /**
-     * Adds new apps to the list.
+     * Adds or updates existing apps in the list
      */
-    public void addApps(List<AppInfo> apps) {
-        mApps.addApps(apps);
-        mSearchUiManager.refreshSearchResult();
-    }
-
-    /**
-     * Updates existing apps in the list
-     */
-    public void updateApps(List<AppInfo> apps) {
-        mApps.updateApps(apps);
+    public void addOrUpdateApps(List<AppInfo> apps) {
+        mApps.addOrUpdateApps(apps);
         mSearchUiManager.refreshSearchResult();
     }
 
diff --git a/src/com/android/launcher3/allapps/AlphabeticalAppsList.java b/src/com/android/launcher3/allapps/AlphabeticalAppsList.java
index 43b56a4..5e7a5ca 100644
--- a/src/com/android/launcher3/allapps/AlphabeticalAppsList.java
+++ b/src/com/android/launcher3/allapps/AlphabeticalAppsList.java
@@ -374,20 +374,13 @@
      */
     public void setApps(List<AppInfo> apps) {
         mComponentToAppMap.clear();
-        addApps(apps);
+        addOrUpdateApps(apps);
     }
 
     /**
-     * Adds new apps to the list.
+     * Adds or updates existing apps in the list
      */
-    public void addApps(List<AppInfo> apps) {
-        updateApps(apps);
-    }
-
-    /**
-     * Updates existing apps in the list
-     */
-    public void updateApps(List<AppInfo> apps) {
+    public void addOrUpdateApps(List<AppInfo> apps) {
         for (AppInfo app : apps) {
             mComponentToAppMap.put(app.toComponentKey(), app);
         }
diff --git a/src/com/android/launcher3/model/AddWorkspaceItemsTask.java b/src/com/android/launcher3/model/AddWorkspaceItemsTask.java
index 68012c4..42926fa 100644
--- a/src/com/android/launcher3/model/AddWorkspaceItemsTask.java
+++ b/src/com/android/launcher3/model/AddWorkspaceItemsTask.java
@@ -158,7 +158,7 @@
                         }
                     }
                     callbacks.bindAppsAdded(addedWorkspaceScreensFinal,
-                            addNotAnimated, addAnimated, null);
+                            addNotAnimated, addAnimated);
                 }
             });
         }
diff --git a/src/com/android/launcher3/model/CacheDataUpdatedTask.java b/src/com/android/launcher3/model/CacheDataUpdatedTask.java
index 8597e10..7a27741 100644
--- a/src/com/android/launcher3/model/CacheDataUpdatedTask.java
+++ b/src/com/android/launcher3/model/CacheDataUpdatedTask.java
@@ -77,7 +77,7 @@
             scheduleCallbackTask(new CallbackTask() {
                 @Override
                 public void execute(Callbacks callbacks) {
-                    callbacks.bindAppsUpdated(updatedApps);
+                    callbacks.bindAppsAddedOrUpdated(updatedApps);
                 }
             });
         }
diff --git a/src/com/android/launcher3/model/LoaderResults.java b/src/com/android/launcher3/model/LoaderResults.java
index 0df8b6f..b7a6b68 100644
--- a/src/com/android/launcher3/model/LoaderResults.java
+++ b/src/com/android/launcher3/model/LoaderResults.java
@@ -122,7 +122,7 @@
 
         filterCurrentWorkspaceItems(currentScreenId, workspaceItems, currentWorkspaceItems,
                 otherWorkspaceItems);
-        filterCurrentAppWidgets(currentScreenId, appWidgets, currentAppWidgets,
+        filterCurrentWorkspaceItems(currentScreenId, appWidgets, currentAppWidgets,
                 otherAppWidgets);
         sortWorkspaceItemsSpatially(currentWorkspaceItems);
         sortWorkspaceItemsSpatially(otherWorkspaceItems);
@@ -208,12 +208,12 @@
 
     /** Filters the set of items who are directly or indirectly (via another container) on the
      * specified screen. */
-    private void filterCurrentWorkspaceItems(long currentScreenId,
-            ArrayList<ItemInfo> allWorkspaceItems,
-            ArrayList<ItemInfo> currentScreenItems,
-            ArrayList<ItemInfo> otherScreenItems) {
+    private <T extends ItemInfo> void filterCurrentWorkspaceItems(long currentScreenId,
+            ArrayList<T> allWorkspaceItems,
+            ArrayList<T> currentScreenItems,
+            ArrayList<T> otherScreenItems) {
         // Purge any null ItemInfos
-        Iterator<ItemInfo> iter = allWorkspaceItems.iterator();
+        Iterator<T> iter = allWorkspaceItems.iterator();
         while (iter.hasNext()) {
             ItemInfo i = iter.next();
             if (i == null) {
@@ -224,14 +224,14 @@
         // Order the set of items by their containers first, this allows use to walk through the
         // list sequentially, build up a list of containers that are in the specified screen,
         // as well as all items in those containers.
-        Set<Long> itemsOnScreen = new HashSet<Long>();
+        Set<Long> itemsOnScreen = new HashSet<>();
         Collections.sort(allWorkspaceItems, new Comparator<ItemInfo>() {
             @Override
             public int compare(ItemInfo lhs, ItemInfo rhs) {
                 return Utilities.longCompare(lhs.container, rhs.container);
             }
         });
-        for (ItemInfo info : allWorkspaceItems) {
+        for (T info : allWorkspaceItems) {
             if (info.container == LauncherSettings.Favorites.CONTAINER_DESKTOP) {
                 if (info.screenId == currentScreenId) {
                     currentScreenItems.add(info);
@@ -253,23 +253,6 @@
         }
     }
 
-    /** Filters the set of widgets which are on the specified screen. */
-    private void filterCurrentAppWidgets(long currentScreenId,
-            ArrayList<LauncherAppWidgetInfo> appWidgets,
-            ArrayList<LauncherAppWidgetInfo> currentScreenWidgets,
-            ArrayList<LauncherAppWidgetInfo> otherScreenWidgets) {
-
-        for (LauncherAppWidgetInfo widget : appWidgets) {
-            if (widget == null) continue;
-            if (widget.container == LauncherSettings.Favorites.CONTAINER_DESKTOP &&
-                    widget.screenId == currentScreenId) {
-                currentScreenWidgets.add(widget);
-            } else {
-                otherScreenWidgets.add(widget);
-            }
-        }
-    }
-
     /** Sorts the set of items by hotseat, workspace (spatially from top to bottom, left to
      * right) */
     private void sortWorkspaceItemsSpatially(ArrayList<ItemInfo> workspaceItems) {
@@ -322,7 +305,7 @@
                 public void run() {
                     Callbacks callbacks = mCallbacks.get();
                     if (callbacks != null) {
-                        callbacks.bindItems(workspaceItems, start, start+chunkSize, false);
+                        callbacks.bindItems(workspaceItems.subList(start, start+chunkSize), false);
                     }
                 }
             };
@@ -332,12 +315,12 @@
         // Bind the widgets, one at a time
         N = appWidgets.size();
         for (int i = 0; i < N; i++) {
-            final LauncherAppWidgetInfo widget = appWidgets.get(i);
+            final ItemInfo widget = appWidgets.get(i);
             final Runnable r = new Runnable() {
                 public void run() {
                     Callbacks callbacks = mCallbacks.get();
                     if (callbacks != null) {
-                        callbacks.bindAppWidget(widget);
+                        callbacks.bindItems(Collections.singletonList(widget), false);
                     }
                 }
             };
diff --git a/src/com/android/launcher3/model/PackageUpdatedTask.java b/src/com/android/launcher3/model/PackageUpdatedTask.java
index 1b2f8d6..c6e878c 100644
--- a/src/com/android/launcher3/model/PackageUpdatedTask.java
+++ b/src/com/android/launcher3/model/PackageUpdatedTask.java
@@ -147,51 +147,28 @@
                 break;
         }
 
-        ArrayList<AppInfo> added = null;
-        ArrayList<AppInfo> modified = null;
-        final ArrayList<AppInfo> removedApps = new ArrayList<>();
+        final ArrayList<AppInfo> addedOrModified = new ArrayList<>();
+        addedOrModified.addAll(appsList.added);
+        appsList.added.clear();
+        addedOrModified.addAll(appsList.modified);
+        appsList.modified.clear();
 
-        if (appsList.added.size() > 0) {
-            added = new ArrayList<>(appsList.added);
-            appsList.added.clear();
-        }
-        if (appsList.modified.size() > 0) {
-            modified = new ArrayList<>(appsList.modified);
-            appsList.modified.clear();
-        }
-        if (appsList.removed.size() > 0) {
-            removedApps.addAll(appsList.removed);
-            appsList.removed.clear();
-        }
+        final ArrayList<AppInfo> removedApps = new ArrayList<>(appsList.removed);
+        appsList.removed.clear();
 
         final ArrayMap<ComponentName, AppInfo> addedOrUpdatedApps = new ArrayMap<>();
-
-        if (added != null) {
-            final ArrayList<AppInfo> addedApps = added;
+        if (!addedOrModified.isEmpty()) {
             scheduleCallbackTask(new CallbackTask() {
                 @Override
                 public void execute(Callbacks callbacks) {
-                    callbacks.bindAppsAdded(null, null, null, addedApps);
+                    callbacks.bindAppsAddedOrUpdated(addedOrModified);
                 }
             });
-            for (AppInfo ai : added) {
+            for (AppInfo ai : addedOrModified) {
                 addedOrUpdatedApps.put(ai.componentName, ai);
             }
         }
 
-        if (modified != null) {
-            final ArrayList<AppInfo> modifiedFinal = modified;
-            for (AppInfo ai : modified) {
-                addedOrUpdatedApps.put(ai.componentName, ai);
-            }
-            scheduleCallbackTask(new CallbackTask() {
-                @Override
-                public void execute(Callbacks callbacks) {
-                    callbacks.bindAppsUpdated(modifiedFinal);
-                }
-            });
-        }
-
         // Update shortcut infos
         if (mOp == OP_ADD || flagOp != FlagOp.NO_OP) {
             final ArrayList<ShortcutInfo> updatedShortcuts = new ArrayList<>();
diff --git a/src/com/android/launcher3/util/RunnableWithId.java b/src/com/android/launcher3/util/RunnableWithId.java
new file mode 100644
index 0000000..030eb09
--- /dev/null
+++ b/src/com/android/launcher3/util/RunnableWithId.java
@@ -0,0 +1,36 @@
+/*
+ * Copyright (C) 2017 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;
+
+/**
+ * A runnable with an id associated which is used for equality check.
+ */
+public abstract class RunnableWithId implements Runnable {
+
+    public static final int RUNNABLE_ID_BIND_APPS = 1;
+    public static final int RUNNABLE_ID_BIND_WIDGETS = 2;
+
+    public final int id;
+
+    public RunnableWithId(int id) {
+        this.id = id;
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        return obj instanceof RunnableWithId && ((RunnableWithId) obj).id == id;
+    }
+}
diff --git a/src/com/android/launcher3/util/SystemUiController.java b/src/com/android/launcher3/util/SystemUiController.java
index 6b5b095..d7a2625 100644
--- a/src/com/android/launcher3/util/SystemUiController.java
+++ b/src/com/android/launcher3/util/SystemUiController.java
@@ -30,6 +30,7 @@
     public static final int UI_STATE_BASE_WINDOW = 0;
     public static final int UI_STATE_ALL_APPS = 1;
     public static final int UI_STATE_WIDGET_BOTTOM_SHEET = 2;
+    public static final int UI_STATE_ROOT_VIEW = 3;
 
     public static final int FLAG_LIGHT_NAV = 1 << 0;
     public static final int FLAG_DARK_NAV = 1 << 1;
@@ -37,7 +38,7 @@
     public static final int FLAG_DARK_STATUS = 1 << 3;
 
     private final Window mWindow;
-    private final int[] mStates = new int[3];
+    private final int[] mStates = new int[4];
 
     public SystemUiController(Window window) {
         mWindow = window;
diff --git a/tests/src/com/android/launcher3/model/AddWorkspaceItemsTaskTest.java b/tests/src/com/android/launcher3/model/AddWorkspaceItemsTaskTest.java
index ae15f08..82f34e4 100644
--- a/tests/src/com/android/launcher3/model/AddWorkspaceItemsTaskTest.java
+++ b/tests/src/com/android/launcher3/model/AddWorkspaceItemsTaskTest.java
@@ -131,7 +131,7 @@
         // only info2 should be added because info was already added to the workspace
         // in setupWorkspaceWithHoles()
         verify(callbacks).bindAppsAdded(any(ArrayList.class), notAnimated.capture(),
-                animated.capture(), isNull(ArrayList.class));
+                animated.capture());
         assertTrue(notAnimated.getValue().isEmpty());
 
         assertEquals(1, animated.getValue().size());