diff --git a/res/layout/all_apps_search_market.xml b/res/layout/all_apps_search_market.xml
index 1ed5088..a2bb2e7 100644
--- a/res/layout/all_apps_search_market.xml
+++ b/res/layout/all_apps_search_market.xml
@@ -25,5 +25,5 @@
     android:textSize="14sp"
     android:textColor="@color/launcher_accent_color"
     android:textAllCaps="true"
-    android:focusable="false"
+    android:focusable="true"
     android:background="@drawable/all_apps_search_market_bg" />
diff --git a/src/com/android/launcher3/CellLayout.java b/src/com/android/launcher3/CellLayout.java
index 700bf9e..b8b4144 100644
--- a/src/com/android/launcher3/CellLayout.java
+++ b/src/com/android/launcher3/CellLayout.java
@@ -2685,6 +2685,7 @@
             LayoutParams lp = (LayoutParams) child.getLayoutParams();
             lp.dropped = true;
             child.requestLayout();
+            markCellsAsOccupiedForView(child);
         }
     }
 
diff --git a/src/com/android/launcher3/DeleteDropTarget.java b/src/com/android/launcher3/DeleteDropTarget.java
index 9a9b57a..76e14f5 100644
--- a/src/com/android/launcher3/DeleteDropTarget.java
+++ b/src/com/android/launcher3/DeleteDropTarget.java
@@ -19,7 +19,6 @@
 import android.animation.TimeInterpolator;
 import android.content.Context;
 import android.graphics.PointF;
-import android.os.AsyncTask;
 import android.util.AttributeSet;
 import android.view.View;
 import android.view.animation.AnimationUtils;
@@ -71,8 +70,10 @@
      * @return true if the item was removed.
      */
     public static boolean removeWorkspaceOrFolderItem(Launcher launcher, ItemInfo item, View view) {
-        // Remove the item from launcher and the db
-        launcher.removeItem(view, item, true /* deleteFromDb */);
+        // Remove the item from launcher and the db, we can ignore the containerInfo in this call
+        // because we already remove the drag view from the folder (if the drag originated from
+        // a folder) in Folder.beginDrag()
+        launcher.removeItem(view, null, item, true /* deleteFromDb */);
         launcher.getWorkspace().stripEmptyScreens();
         return true;
     }
diff --git a/src/com/android/launcher3/DeviceProfile.java b/src/com/android/launcher3/DeviceProfile.java
index 66cf2df..69ef826 100644
--- a/src/com/android/launcher3/DeviceProfile.java
+++ b/src/com/android/launcher3/DeviceProfile.java
@@ -372,7 +372,7 @@
      * When {@code true}, hotseat is on the bottom row when in landscape mode.
      * If {@code false}, hotseat is on the right column when in landscape mode.
      */
-    boolean isVerticalBarLayout() {
+    public boolean isVerticalBarLayout() {
         return isLandscape && transposeLayoutWithOrientation;
     }
 
diff --git a/src/com/android/launcher3/FocusHelper.java b/src/com/android/launcher3/FocusHelper.java
index 6f34587..be4d04f 100644
--- a/src/com/android/launcher3/FocusHelper.java
+++ b/src/com/android/launcher3/FocusHelper.java
@@ -73,7 +73,6 @@
                         KeyEvent.keyCodeToString(keyCode)));
             }
 
-
             if (!(v.getParent() instanceof ShortcutAndWidgetContainer)) {
                 if (ProviderConfig.IS_DOGFOOD_BUILD) {
                     throw new IllegalStateException("Parent of the focused item is not supported.");
@@ -196,10 +195,11 @@
         }
 
         // Initialize the variables.
+        final Workspace workspace = (Workspace) v.getRootView().findViewById(R.id.workspace);
         final ShortcutAndWidgetContainer hotseatParent = (ShortcutAndWidgetContainer) v.getParent();
         final CellLayout hotseatLayout = (CellLayout) hotseatParent.getParent();
 
-        Workspace workspace = (Workspace) v.getRootView().findViewById(R.id.workspace);
+        final ItemInfo itemInfo = (ItemInfo) v.getTag();
         int pageIndex = workspace.getNextPage();
         int pageCount = workspace.getChildCount();
         int countX = -1;
@@ -241,9 +241,14 @@
         } else if (keyCode == KeyEvent.KEYCODE_DPAD_RIGHT &&
                 profile.isVerticalBarLayout()) {
             keyCode = KeyEvent.KEYCODE_PAGE_DOWN;
-        } else if (keyCode == KeyEvent.KEYCODE_DEL || keyCode == KeyEvent.KEYCODE_FORWARD_DEL) {
-            ItemInfo info = (ItemInfo) v.getTag();
-            launcher.removeItem(v, info, true /* deleteFromDb */);
+        } else if (isUninstallKeyChord(e)) {
+            matrix = FocusLogic.createSparseMatrix(iconLayout);
+            if (UninstallDropTarget.supportsDrop(launcher, itemInfo)) {
+                UninstallDropTarget.startUninstallActivity(launcher, itemInfo);
+            }
+        } else if (isDeleteKeyChord(e)) {
+            matrix = FocusLogic.createSparseMatrix(iconLayout);
+            launcher.removeItem(v, null, itemInfo, true /* deleteFromDb */);
         } else {
             // For other KEYCODE_DPAD_LEFT and KEYCODE_DPAD_RIGHT navigation, do not use the
             // matrix extended with hotseat.
@@ -305,6 +310,7 @@
         final ViewGroup tabs = (ViewGroup) dragLayer.findViewById(R.id.search_drop_target_bar);
         final Hotseat hotseat = (Hotseat) dragLayer.findViewById(R.id.hotseat);
 
+        final ItemInfo itemInfo = (ItemInfo) v.getTag();
         final int iconIndex = parent.indexOfChild(v);
         final int pageIndex = workspace.indexOfChild(iconLayout);
         final int pageCount = workspace.getChildCount();
@@ -329,10 +335,14 @@
                     profile.inv.hotseatAllAppsRank,
                     !hotseat.hasIcons() /* ignore all apps icon, unless there are no other icons */);
             countX = countX + 1;
-        } else if (keyCode == KeyEvent.KEYCODE_DEL || keyCode == KeyEvent.KEYCODE_FORWARD_DEL) {
-            ItemInfo info = (ItemInfo) v.getTag();
-            launcher.removeItem(v, info, true /* deleteFromDb */);
-            return consume;
+        } else if (isUninstallKeyChord(e)) {
+            matrix = FocusLogic.createSparseMatrix(iconLayout);
+            if (UninstallDropTarget.supportsDrop(launcher, itemInfo)) {
+                UninstallDropTarget.startUninstallActivity(launcher, itemInfo);
+            }
+        } else if (isDeleteKeyChord(e)) {
+            matrix = FocusLogic.createSparseMatrix(iconLayout);
+            launcher.removeItem(v, null, itemInfo, true /* deleteFromDb */);
         } else {
             matrix = FocusLogic.createSparseMatrix(iconLayout);
         }
@@ -462,4 +472,22 @@
                 break;
         }
     }
+
+    /**
+     * Returns whether the key event represents a valid uninstall key chord.
+     */
+    private static boolean isUninstallKeyChord(KeyEvent event) {
+        int keyCode = event.getKeyCode();
+        return (keyCode == KeyEvent.KEYCODE_DEL || keyCode == KeyEvent.KEYCODE_FORWARD_DEL) &&
+                event.hasModifiers(KeyEvent.META_CTRL_ON | KeyEvent.META_SHIFT_ON);
+    }
+
+    /**
+     * Returns whether the key event represents a valid delete key chord.
+     */
+    private static boolean isDeleteKeyChord(KeyEvent event) {
+        int keyCode = event.getKeyCode();
+        return (keyCode == KeyEvent.KEYCODE_DEL || keyCode == KeyEvent.KEYCODE_FORWARD_DEL) &&
+                event.hasModifiers(KeyEvent.META_CTRL_ON);
+    }
 }
diff --git a/src/com/android/launcher3/Folder.java b/src/com/android/launcher3/Folder.java
index ff21be2..ff65d30 100644
--- a/src/com/android/launcher3/Folder.java
+++ b/src/com/android/launcher3/Folder.java
@@ -1123,26 +1123,29 @@
             public void run() {
                 CellLayout cellLayout = mLauncher.getCellLayout(mInfo.container, mInfo.screenId);
 
-                View child = null;
-                // Move the item from the folder to the workspace, in the position of the folder
-                if (getItemCount() == 1) {
-                    ShortcutInfo finalItem = mInfo.contents.get(0);
-                    child = mLauncher.createShortcut(cellLayout, finalItem);
-                    LauncherModel.addOrMoveItemInDatabase(mLauncher, finalItem, mInfo.container,
-                            mInfo.screenId, mInfo.cellX, mInfo.cellY);
-                }
+                // Remove the folder
                 if (getItemCount() <= 1) {
-                    mLauncher.removeItem(mFolderIcon, mInfo, true /* deleteFromDb */);
+                    mLauncher.removeItem(mFolderIcon, null, mInfo, true /* deleteFromDb */);
                     if (mFolderIcon instanceof DropTarget) {
                         mDragController.removeDropTarget((DropTarget) mFolderIcon);
                     }
                 }
-                // We add the child after removing the folder to prevent both from existing at
-                // the same time in the CellLayout.  We need to add the new item with addInScreenFromBind()
-                // to ensure that hotseat items are placed correctly.
-                if (child != null) {
+
+                // Move the item from the folder to the workspace, in the position of the folder
+                if (getItemCount() == 1) {
+                    ShortcutInfo finalItem = mInfo.contents.get(0);
+                    View child = mLauncher.createShortcut(cellLayout, finalItem);
+                    LauncherModel.addOrMoveItemInDatabase(mLauncher, finalItem, mInfo.container,
+                            mInfo.screenId, mInfo.cellX, mInfo.cellY);
+
+                    // We add the child after removing the folder to prevent both from existing at
+                    // the same time in the CellLayout.  We need to add the new item with addInScreenFromBind()
+                    // to ensure that hotseat items are placed correctly.
                     mLauncher.getWorkspace().addInScreenFromBind(child, mInfo.container, mInfo.screenId,
                             mInfo.cellX, mInfo.cellY, mInfo.spanX, mInfo.spanY);
+
+                    // Focus the newly created child
+                    child.requestFocus();
                 }
             }
         };
diff --git a/src/com/android/launcher3/InfoDropTarget.java b/src/com/android/launcher3/InfoDropTarget.java
index f5b7c56..006ce5d 100644
--- a/src/com/android/launcher3/InfoDropTarget.java
+++ b/src/com/android/launcher3/InfoDropTarget.java
@@ -20,7 +20,7 @@
 import android.content.Context;
 import android.util.AttributeSet;
 
-public class InfoDropTarget extends ButtonDropTarget {
+public class InfoDropTarget extends UninstallDropTarget {
 
     public InfoDropTarget(Context context, AttributeSet attrs) {
         this(context, attrs, 0);
@@ -39,7 +39,10 @@
         setDrawable(R.drawable.ic_info_launcher);
     }
 
-    public static void startDetailsActivityForInfo(ItemInfo info, Launcher launcher) {
+    /**
+     * @return Whether the activity was started.
+     */
+    public static boolean startDetailsActivityForInfo(ItemInfo info, Launcher launcher) {
         ComponentName componentName = null;
         if (info instanceof AppInfo) {
             componentName = ((AppInfo) info).componentName;
@@ -50,7 +53,14 @@
         }
         if (componentName != null) {
             launcher.startApplicationDetailsActivity(componentName, info.user);
+            return true;
         }
+        return false;
+    }
+
+    @Override
+    protected boolean startActivityWithUninstallAffordance(DragObject d) {
+        return startDetailsActivityForInfo(d.dragInfo, mLauncher);
     }
 
     @Override
@@ -62,9 +72,4 @@
         return info instanceof AppInfo || info instanceof ShortcutInfo
                 || info instanceof PendingAddItemInfo;
     }
-
-    @Override
-    void completeDrop(DragObject d) {
-        startDetailsActivityForInfo(d.dragInfo, mLauncher);
-    }
 }
diff --git a/src/com/android/launcher3/Launcher.java b/src/com/android/launcher3/Launcher.java
index 7722f6e..6df7cd8 100644
--- a/src/com/android/launcher3/Launcher.java
+++ b/src/com/android/launcher3/Launcher.java
@@ -110,6 +110,7 @@
 import com.android.launcher3.util.ComponentKey;
 import com.android.launcher3.util.LongArrayMap;
 import com.android.launcher3.util.Thunk;
+import com.android.launcher3.util.ViewOnDrawExecutor;
 import com.android.launcher3.widget.PendingAddWidgetInfo;
 import com.android.launcher3.widget.WidgetHostViewLoader;
 import com.android.launcher3.widget.WidgetsContainerView;
@@ -275,6 +276,7 @@
 
     private ArrayList<Runnable> mBindOnResumeCallbacks = new ArrayList<Runnable>();
     private ArrayList<Runnable> mOnResumeCallbacks = new ArrayList<Runnable>();
+    private ViewOnDrawExecutor mPendingExecutor;
 
     private LauncherModel mModel;
     private IconCache mIconCache;
@@ -953,12 +955,6 @@
         mPaused = false;
         if (mRestoring || mOnResumeNeedsLoad) {
             setWorkspaceLoading(true);
-
-            // If we're starting binding all over again, clear any bind calls we'd postponed in
-            // the past (see waitUntilResume) -- we don't need them since we're starting binding
-            // from scratch again
-            mBindOnResumeCallbacks.clear();
-
             mModel.startLoader(PagedView.INVALID_RESTORE_PAGE);
             mRestoring = false;
             mOnResumeNeedsLoad = false;
@@ -2333,13 +2329,22 @@
     }
 
     /**
-     * Unbinds the view for the specified item, and removes the item and all its children items
-     * from the database.  For folders, this incl udes the folder contents.  AppWidgets will also
-     * have their widget ids deleted.
+     * Unbinds the view for the specified item, and removes the item and all its children.
+     *
+     * @param v the view being removed.
+     * @param containerInfo the {@link FolderInfo} container of this view (can be null).
+     * @param itemInfo the {@link ItemInfo} for this view.
+     * @param deleteFromDb whether or not to delete this item from the db.
      */
-    public boolean removeItem(View v, ItemInfo itemInfo, boolean deleteFromDb) {
+    public boolean removeItem(View v, FolderInfo containerInfo, ItemInfo itemInfo,
+            boolean deleteFromDb) {
         if (itemInfo instanceof ShortcutInfo) {
-            mWorkspace.removeWorkspaceItem(v);
+            // Remove the shortcut from the folder before removing it from launcher
+            if (containerInfo != null) {
+                containerInfo.remove((ShortcutInfo) itemInfo);
+            } else {
+                mWorkspace.removeWorkspaceItem(v);
+            }
             if (deleteFromDb) {
                 LauncherModel.deleteItemFromDatabase(this, itemInfo);
             }
@@ -3639,6 +3644,19 @@
     }
 
     /**
+     * Clear any pending bind callbacks. This is called when is loader is planning to
+     * perform a full rebind from scratch.
+     */
+    @Override
+    public void clearPendingBinds() {
+        mBindOnResumeCallbacks.clear();
+        if (mPendingExecutor != null) {
+            mPendingExecutor.markCompleted();
+            mPendingExecutor = null;
+        }
+    }
+
+    /**
      * Refreshes the shortcuts shown on the workspace.
      *
      * Implementation of the method from LauncherModel.Callbacks.
@@ -3646,11 +3664,6 @@
     public void startBinding() {
         setWorkspaceLoading(true);
 
-        // If we're starting binding all over again, clear any bind calls we'd postponed in
-        // the past (see waitUntilResume) -- we don't need them since we're starting binding
-        // from scratch again
-        mBindOnResumeCallbacks.clear();
-
         // Clear the workspace because it's going to be rebound
         mWorkspace.clearDropTargets();
         mWorkspace.removeAllWorkspaceScreens();
@@ -4015,6 +4028,21 @@
         mSynchronouslyBoundPages.add(page);
     }
 
+    @Override
+    public void executeOnNextDraw(ViewOnDrawExecutor executor) {
+        if (mPendingExecutor != null) {
+            mPendingExecutor.markCompleted();
+        }
+        mPendingExecutor = executor;
+        executor.attachTo(this);
+    }
+
+    public void clearPendingExecutor(ViewOnDrawExecutor executor) {
+        if (mPendingExecutor == executor) {
+            mPendingExecutor = null;
+        }
+    }
+
     /**
      * Callback saying that there aren't any more items to bind.
      *
diff --git a/src/com/android/launcher3/LauncherModel.java b/src/com/android/launcher3/LauncherModel.java
index 323794f..0f043ce 100644
--- a/src/com/android/launcher3/LauncherModel.java
+++ b/src/com/android/launcher3/LauncherModel.java
@@ -64,6 +64,7 @@
 import com.android.launcher3.util.LongArrayMap;
 import com.android.launcher3.util.ManagedProfileHeuristic;
 import com.android.launcher3.util.Thunk;
+import com.android.launcher3.util.ViewOnDrawExecutor;
 
 import java.lang.ref.WeakReference;
 import java.net.URISyntaxException;
@@ -79,6 +80,7 @@
 import java.util.List;
 import java.util.Map.Entry;
 import java.util.Set;
+import java.util.concurrent.Executor;
 
 /**
  * Maintains in-memory state of the Launcher. It is expected that there should be only one
@@ -124,12 +126,6 @@
     @Thunk boolean mWorkspaceLoaded;
     @Thunk boolean mAllAppsLoaded;
 
-    // When we are loading pages synchronously, we can't just post the binding of items on the side
-    // pages as this delays the rotation process.  Instead, we wait for a callback from the first
-    // draw (in Workspace) to initiate the binding of the remaining side pages.  Any time we start
-    // a normal load, we also clear this set of Runnables.
-    static final ArrayList<Runnable> mDeferredBindRunnables = new ArrayList<Runnable>();
-
     /**
      * Set of runnables to be called on the background thread after the workspace binding
      * is complete.
@@ -171,6 +167,9 @@
     // sBgWidgetProviders is the set of widget providers including custom internal widgets
     public static HashMap<ComponentKey, LauncherAppWidgetProviderInfo> sBgWidgetProviders;
 
+    // sBgShortcutProviders is the set of custom shortcut providers
+    public static List<ResolveInfo> sBgShortcutProviders;
+
     // sPendingPackages is a set of packages which could be on sdcard and are not available yet
     static final HashMap<UserHandleCompat, HashSet<String>> sPendingPackages =
             new HashMap<UserHandleCompat, HashSet<String>>();
@@ -185,6 +184,7 @@
     public interface Callbacks {
         public boolean setLoadOnResume();
         public int getCurrentWorkspaceScreen();
+        public void clearPendingBinds();
         public void startBinding();
         public void bindItems(ArrayList<ItemInfo> shortcuts, int start, int end,
                               boolean forceAnimateIcons);
@@ -209,6 +209,7 @@
         public void bindSearchProviderChanged();
         public boolean isAllAppsButtonRank(int rank);
         public void onPageBoundSynchronously(int page);
+        public void executeOnNextDraw(ViewOnDrawExecutor executor);
         public void dumpLogsToLocalData();
     }
 
@@ -587,11 +588,6 @@
                     "main thread");
         }
 
-        // Clear any deferred bind runnables
-        synchronized (mDeferredBindRunnables) {
-            mDeferredBindRunnables.clear();
-        }
-
         // Remove any queued UI runnables
         mHandler.cancelAll();
         // Unbind all the workspace items
@@ -1339,14 +1335,16 @@
         // Enable queue before starting loader. It will get disabled in Launcher#finishBindingItems
         InstallShortcutReceiver.enableInstallQueue();
         synchronized (mLock) {
-            // Clear any deferred bind-runnables from the synchronized load process
-            // We must do this before any loading/binding is scheduled below.
-            synchronized (mDeferredBindRunnables) {
-                mDeferredBindRunnables.clear();
-            }
-
             // Don't bother to start the thread if we know it's not going to do anything
             if (mCallbacks != null && mCallbacks.get() != null) {
+                final Callbacks oldCallbacks = mCallbacks.get();
+                // Clear any pending bind-runnables from the synchronized load process.
+                runOnMainThread(new Runnable() {
+                    public void run() {
+                        oldCallbacks.clearPendingBinds();
+                    }
+                });
+
                 // If there is already one running, tell it to stop.
                 stopLoaderLocked();
                 mLoaderTask = new LoaderTask(mApp.getContext(), loadFlags);
@@ -1361,21 +1359,6 @@
         }
     }
 
-    void bindRemainingSynchronousPages() {
-        // Post the remaining side pages to be loaded
-        if (!mDeferredBindRunnables.isEmpty()) {
-            Runnable[] deferredBindRunnables = null;
-            synchronized (mDeferredBindRunnables) {
-                deferredBindRunnables = mDeferredBindRunnables.toArray(
-                        new Runnable[mDeferredBindRunnables.size()]);
-                mDeferredBindRunnables.clear();
-            }
-            for (final Runnable r : deferredBindRunnables) {
-                mHandler.post(r);
-            }
-        }
-    }
-
     public void stopLoader() {
         synchronized (mLock) {
             if (mLoaderTask != null) {
@@ -2501,9 +2484,7 @@
                 final ArrayList<ItemInfo> workspaceItems,
                 final ArrayList<LauncherAppWidgetInfo> appWidgets,
                 final LongArrayMap<FolderInfo> folders,
-                ArrayList<Runnable> deferredBindRunnables) {
-
-            final boolean postOnMainThread = (deferredBindRunnables != null);
+                final Executor executor) {
 
             // Bind the workspace items
             int N = workspaceItems.size();
@@ -2520,13 +2501,7 @@
                         }
                     }
                 };
-                if (postOnMainThread) {
-                    synchronized (deferredBindRunnables) {
-                        deferredBindRunnables.add(r);
-                    }
-                } else {
-                    runOnMainThread(r);
-                }
+                executor.execute(r);
             }
 
             // Bind the folders
@@ -2539,13 +2514,7 @@
                         }
                     }
                 };
-                if (postOnMainThread) {
-                    synchronized (deferredBindRunnables) {
-                        deferredBindRunnables.add(r);
-                    }
-                } else {
-                    runOnMainThread(r);
-                }
+                executor.execute(r);
             }
 
             // Bind the widgets, one at a time
@@ -2560,11 +2529,7 @@
                         }
                     }
                 };
-                if (postOnMainThread) {
-                    deferredBindRunnables.add(r);
-                } else {
-                    runOnMainThread(r);
-                }
+                executor.execute(r);
             }
         }
 
@@ -2642,6 +2607,7 @@
                 public void run() {
                     Callbacks callbacks = tryGetCallbacks(oldCallbacks);
                     if (callbacks != null) {
+                        callbacks.clearPendingBinds();
                         callbacks.startBinding();
                     }
                 }
@@ -2650,28 +2616,20 @@
 
             bindWorkspaceScreens(oldCallbacks, orderedScreenIds);
 
-            // Load items on the current page
+            Executor mainExecutor = new DeferredMainThreadExecutor();
+            // Load items on the current page.
             bindWorkspaceItems(oldCallbacks, currentWorkspaceItems, currentAppWidgets,
-                    currentFolders, null);
-            if (isLoadingSynchronously) {
-                r = new Runnable() {
-                    public void run() {
-                        Callbacks callbacks = tryGetCallbacks(oldCallbacks);
-                        if (callbacks != null && currentScreen != PagedView.INVALID_RESTORE_PAGE) {
-                            callbacks.onPageBoundSynchronously(currentScreen);
-                        }
-                    }
-                };
-                runOnMainThread(r);
-            }
+                    currentFolders, mainExecutor);
 
-            // Load all the remaining pages (if we are loading synchronously, we want to defer this
-            // work until after the first render)
-            synchronized (mDeferredBindRunnables) {
-                mDeferredBindRunnables.clear();
-            }
-            bindWorkspaceItems(oldCallbacks, otherWorkspaceItems, otherAppWidgets, otherFolders,
-                    (isLoadingSynchronously ? mDeferredBindRunnables : null));
+            // In case of isLoadingSynchronously, only bind the first screen, and defer binding the
+            // remaining screens after first onDraw is called. This ensures that the first screen
+            // is immediately visible (eg. during rotation)
+            // In case of !isLoadingSynchronously, bind all pages one after other.
+            final Executor deferredExecutor = isLoadingSynchronously ?
+                    new ViewOnDrawExecutor(mHandler) : mainExecutor;
+
+            bindWorkspaceItems(oldCallbacks, otherWorkspaceItems, otherAppWidgets,
+                    otherFolders, deferredExecutor);
 
             // Tell the workspace that we're done binding items
             r = new Runnable() {
@@ -2701,11 +2659,23 @@
 
                 }
             };
+            deferredExecutor.execute(r);
+
             if (isLoadingSynchronously) {
-                synchronized (mDeferredBindRunnables) {
-                    mDeferredBindRunnables.add(r);
-                }
-            } else {
+                r = new Runnable() {
+                    public void run() {
+                        Callbacks callbacks = tryGetCallbacks(oldCallbacks);
+                        if (callbacks != null) {
+                            // We are loading synchronously, which means, some of the pages will be
+                            // bound after first draw. Inform the callbacks that page binding is
+                            // not complete, and schedule the remaining pages.
+                            if (currentScreen != PagedView.INVALID_RESTORE_PAGE) {
+                                callbacks.onPageBoundSynchronously(currentScreen);
+                            }
+                            callbacks.executeOnNextDraw((ViewOnDrawExecutor) deferredExecutor);
+                        }
+                    }
+                };
                 runOnMainThread(r);
             }
         }
@@ -3315,10 +3285,14 @@
                     PackageManager pm = context.getPackageManager();
                     for (String pkg : mPackages) {
                         try {
-                            needToRefresh |= !pm.queryBroadcastReceivers(
+                            List<ResolveInfo> widgets = pm.queryBroadcastReceivers(
                                     new Intent(AppWidgetManager.ACTION_APPWIDGET_UPDATE)
-                                            .setPackage(pkg), 0).isEmpty();
+                                            .setPackage(pkg), 0);
+                            needToRefresh |= widgets != null && !widgets.isEmpty();
                         } catch (RuntimeException e) {
+                            if (ProviderConfig.IS_DOGFOOD_BUILD) {
+                                throw e;
+                            }
                             // Ignore the crash. We can live with a state widget list.
                             Log.e(TAG, "PM call failed for " + pkg, e);
                         }
@@ -3373,8 +3347,9 @@
                 return results;
             }
         } catch (Exception e) {
-            if (e.getCause() instanceof TransactionTooLargeException ||
-                    e.getCause() instanceof DeadObjectException) {
+            if (!ProviderConfig.IS_DOGFOOD_BUILD &&
+                    (e.getCause() instanceof TransactionTooLargeException ||
+                    e.getCause() instanceof DeadObjectException)) {
                 // the returned value may be incomplete and will not be refreshed until the next
                 // time Launcher starts.
                 // TODO: after figuring out a repro step, introduce a dirty bit to check when
@@ -3434,8 +3409,29 @@
         PackageManager packageManager = mApp.getContext().getPackageManager();
         final ArrayList<Object> widgetsAndShortcuts = new ArrayList<Object>();
         widgetsAndShortcuts.addAll(getWidgetProviders(mApp.getContext(), refresh));
-        Intent shortcutsIntent = new Intent(Intent.ACTION_CREATE_SHORTCUT);
-        widgetsAndShortcuts.addAll(packageManager.queryIntentActivities(shortcutsIntent, 0));
+
+        // Update shortcut providers
+        synchronized (sBgLock) {
+            try {
+                Intent shortcutsIntent = new Intent(Intent.ACTION_CREATE_SHORTCUT);
+                List<ResolveInfo> providers = packageManager.queryIntentActivities(shortcutsIntent, 0);
+                sBgShortcutProviders = providers;
+            } catch (RuntimeException e) {
+                if (!ProviderConfig.IS_DOGFOOD_BUILD &&
+                        (e.getCause() instanceof TransactionTooLargeException ||
+                                e.getCause() instanceof DeadObjectException)) {
+                    /**
+                     * Ignore exception and use the cached list if available.
+                     * Refer to {@link #getWidgetProviders(Context, boolean}} for more info.
+                     */
+                } else {
+                    throw e;
+                }
+            }
+            if (sBgShortcutProviders != null) {
+                widgetsAndShortcuts.addAll(sBgShortcutProviders);
+            }
+        }
         mBgWidgetsModel.setWidgetsAndShortcuts(widgetsAndShortcuts);
     }
 
@@ -3737,6 +3733,14 @@
         }
     }
 
+    @Thunk class DeferredMainThreadExecutor implements Executor {
+
+        @Override
+        public void execute(Runnable command) {
+            runOnMainThread(command);
+        }
+    }
+
     /**
      * @return the looper for the worker thread which can be used to start background tasks.
      */
diff --git a/src/com/android/launcher3/LauncherStateTransitionAnimation.java b/src/com/android/launcher3/LauncherStateTransitionAnimation.java
index 0e20fab..d3af19a 100644
--- a/src/com/android/launcher3/LauncherStateTransitionAnimation.java
+++ b/src/com/android/launcher3/LauncherStateTransitionAnimation.java
@@ -176,7 +176,7 @@
     }
 
     /**
-     * Starts and animation to the workspace from the current overlay view.
+     * Starts an animation to the workspace from the current overlay view.
      */
     public void startAnimationToWorkspace(final Launcher.State fromState,
             final Workspace.State fromWorkspaceState, final Workspace.State toWorkspaceState,
@@ -190,9 +190,13 @@
         if (fromState == Launcher.State.APPS || fromState == Launcher.State.APPS_SPRING_LOADED) {
             startAnimationToWorkspaceFromAllApps(fromWorkspaceState, toWorkspaceState,
                     animated, onCompleteRunnable);
-        } else {
+        } else if (fromState == Launcher.State.WIDGETS ||
+                fromState == Launcher.State.WIDGETS_SPRING_LOADED) {
             startAnimationToWorkspaceFromWidgets(fromWorkspaceState, toWorkspaceState,
                     animated, onCompleteRunnable);
+        } else {
+            startAnimationToNewWorkspaceState(fromWorkspaceState, toWorkspaceState,
+                    animated, onCompleteRunnable);
         }
     }
 
@@ -403,7 +407,7 @@
     }
 
     /**
-     * Starts and animation to the workspace from the apps view.
+     * Starts an animation to the workspace from the apps view.
      */
     private void startAnimationToWorkspaceFromAllApps(final Workspace.State fromWorkspaceState,
             final Workspace.State toWorkspaceState, final boolean animated, 
@@ -448,10 +452,10 @@
     }
 
     /**
-     * Starts and animation to the workspace from the widgets view.
+     * Starts an animation to the workspace from the widgets view.
      */
     private void startAnimationToWorkspaceFromWidgets(final Workspace.State fromWorkspaceState,
-            final Workspace.State toWorkspaceState, final boolean animated, 
+            final Workspace.State toWorkspaceState, final boolean animated,
             final Runnable onCompleteRunnable) {
         final WidgetsContainerView widgetsView = mLauncher.getWidgetsView();
         PrivateTransitionCallbacks cb = new PrivateTransitionCallbacks() {
@@ -477,6 +481,95 @@
     }
 
     /**
+     * Starts an animation to the workspace from another workspace state, e.g. normal to overview.
+     */
+    private void startAnimationToNewWorkspaceState(final Workspace.State fromWorkspaceState,
+            final Workspace.State toWorkspaceState, final boolean animated,
+            final Runnable onCompleteRunnable) {
+        final View fromWorkspace = mLauncher.getWorkspace();
+        final HashMap<View, Integer> layerViews = new HashMap<>();
+        final AnimatorSet animation = LauncherAnimUtils.createAnimatorSet();
+        final int revealDuration = mLauncher.getResources()
+                .getInteger(R.integer.config_overlayRevealTime);
+
+        // Cancel the current animation
+        cancelAnimation();
+
+        // Create the workspace animation.
+        // NOTE: this call apparently also sets the state for the workspace if !animated
+        Animator workspaceAnim = mLauncher.startWorkspaceStateChangeAnimation(toWorkspaceState,
+                animated, layerViews);
+
+        startWorkspaceSearchBarAnimation(animation, fromWorkspaceState, toWorkspaceState,
+                animated ? revealDuration : 0, null);
+
+        if (animated) {
+            if (workspaceAnim != null) {
+                animation.play(workspaceAnim);
+            }
+            dispatchOnLauncherTransitionPrepare(fromWorkspace, animated, true);
+
+            final AnimatorSet stateAnimation = animation;
+            final Runnable startAnimRunnable = new Runnable() {
+                @TargetApi(Build.VERSION_CODES.LOLLIPOP)
+                public void run() {
+                    // Check that mCurrentAnimation hasn't changed while
+                    // we waited for a layout/draw pass
+                    if (mCurrentAnimation != stateAnimation)
+                        return;
+
+                    dispatchOnLauncherTransitionStart(fromWorkspace, animated, true);
+
+                    // Enable all necessary layers
+                    for (View v : layerViews.keySet()) {
+                        if (layerViews.get(v) == BUILD_AND_SET_LAYER) {
+                            v.setLayerType(View.LAYER_TYPE_HARDWARE, null);
+                        }
+                        if (Utilities.ATLEAST_LOLLIPOP && v.isAttachedToWindow()) {
+                            v.buildLayer();
+                        }
+                    }
+                    stateAnimation.start();
+                }
+            };
+            animation.addListener(new AnimatorListenerAdapter() {
+                @Override
+                public void onAnimationEnd(Animator animation) {
+                    dispatchOnLauncherTransitionEnd(fromWorkspace, animated, true);
+
+                    // Run any queued runnables
+                    if (onCompleteRunnable != null) {
+                        onCompleteRunnable.run();
+                    }
+
+                    // Disable all necessary layers
+                    for (View v : layerViews.keySet()) {
+                        if (layerViews.get(v) == BUILD_AND_SET_LAYER) {
+                            v.setLayerType(View.LAYER_TYPE_NONE, null);
+                        }
+                    }
+
+                    // This can hold unnecessary references to views.
+                    cleanupAnimation();
+                }
+            });
+            fromWorkspace.post(startAnimRunnable);
+            mCurrentAnimation = animation;
+        } else /* if (!animated) */ {
+            dispatchOnLauncherTransitionPrepare(fromWorkspace, animated, true);
+            dispatchOnLauncherTransitionStart(fromWorkspace, animated, true);
+            dispatchOnLauncherTransitionEnd(fromWorkspace, animated, true);
+
+            // Run any queued runnables
+            if (onCompleteRunnable != null) {
+                onCompleteRunnable.run();
+            }
+
+            mCurrentAnimation = null;
+        }
+    }
+
+    /**
      * Creates and starts a new animation to the workspace.
      */
     private AnimatorSet startAnimationToWorkspaceFromOverlay(final Workspace.State fromWorkspaceState,
@@ -683,7 +776,7 @@
             fromView.post(startAnimRunnable);
 
             return animation;
-        } else {
+        } else /* if (!(animated && initialized)) */ {
             fromView.setVisibility(View.GONE);
             dispatchOnLauncherTransitionPrepare(fromView, animated, true);
             dispatchOnLauncherTransitionStart(fromView, animated, true);
diff --git a/src/com/android/launcher3/UninstallDropTarget.java b/src/com/android/launcher3/UninstallDropTarget.java
index 9ed4fb6..b69c79d 100644
--- a/src/com/android/launcher3/UninstallDropTarget.java
+++ b/src/com/android/launcher3/UninstallDropTarget.java
@@ -82,7 +82,7 @@
     void completeDrop(final DragObject d) {
         final Pair<ComponentName, Integer> componentInfo = getAppInfoFlags(d.dragInfo);
         final UserHandleCompat user = d.dragInfo.user;
-        if (startUninstallActivity(mLauncher, d.dragInfo)) {
+        if (startActivityWithUninstallAffordance(d)) {
 
             final Runnable checkIfUninstallWasSuccess = new Runnable() {
                 @Override
@@ -99,6 +99,10 @@
         }
     }
 
+    protected boolean startActivityWithUninstallAffordance(DragObject d) {
+        return startUninstallActivity(mLauncher, d.dragInfo);
+    }
+
     public static boolean startUninstallActivity(Launcher launcher, ItemInfo info) {
         final Pair<ComponentName, Integer> componentInfo = getAppInfoFlags(info);
         final UserHandleCompat user = info.user;
@@ -115,7 +119,7 @@
     /**
      * Interface defining an object that can provide uninstallable drag objects.
      */
-    public static interface UninstallSource {
+    public interface UninstallSource {
 
         /**
          * A pending uninstall operation was complete.
diff --git a/src/com/android/launcher3/Workspace.java b/src/com/android/launcher3/Workspace.java
index 0fe37de..778bff7 100644
--- a/src/com/android/launcher3/Workspace.java
+++ b/src/com/android/launcher3/Workspace.java
@@ -278,13 +278,6 @@
 
     private AccessibilityDelegate mPagesAccessibilityDelegate;
 
-    private final Runnable mBindPages = new Runnable() {
-        @Override
-        public void run() {
-            mLauncher.getModel().bindRemainingSynchronousPages();
-        }
-    };
-
     /**
      * Used to inflate the Workspace from XML.
      *
@@ -1112,7 +1105,7 @@
                     if (lahv != null && lahv.isReinflateRequired()) {
                         // Remove and rebind the current widget (which was inflated in the wrong
                         // orientation), but don't delete it from the database
-                        mLauncher.removeItem(lahv, info, false  /* deleteFromDb */);
+                        mLauncher.removeItem(lahv, null, info, false  /* deleteFromDb */);
                         mLauncher.bindAppWidget(info);
                     }
                 }
@@ -1720,14 +1713,6 @@
     }
 
     @Override
-    protected void onDraw(Canvas canvas) {
-        super.onDraw(canvas);
-
-        // Call back to LauncherModel to finish binding after the first draw
-        post(mBindPages);
-    }
-
-    @Override
     protected boolean onRequestFocusInDescendants(int direction, Rect previouslyFocusedRect) {
         if (!mLauncher.isAppsViewVisible()) {
             final Folder openFolder = getOpenFolder();
@@ -4456,7 +4441,7 @@
                 if (info.hostView instanceof PendingAppWidgetHostView) {
                     // Remove and rebind the current widget, but don't delete it from the database
                     PendingAppWidgetHostView view = (PendingAppWidgetHostView) info.hostView;
-                    mLauncher.removeItem(view, info, false /* deleteFromDb */);
+                    mLauncher.removeItem(view, null, info, false /* deleteFromDb */);
                     mLauncher.bindAppWidget(info);
                 }
             }
diff --git a/src/com/android/launcher3/allapps/AllAppsBackgroundDrawable.java b/src/com/android/launcher3/allapps/AllAppsBackgroundDrawable.java
index 117aca9..dafa73f 100644
--- a/src/com/android/launcher3/allapps/AllAppsBackgroundDrawable.java
+++ b/src/com/android/launcher3/allapps/AllAppsBackgroundDrawable.java
@@ -35,6 +35,7 @@
     private float mXPercent;
     private float mYPercent;
     private int mGravity;
+    private int mAlpha;
 
     /**
      * @param gravity If one of the Gravity center values, the x and y offset will take the width
@@ -50,10 +51,11 @@
 
     public void setAlpha(int alpha) {
         mImage.setAlpha(alpha);
+        mAlpha = alpha;
     }
 
     public int getAlpha() {
-        return mImage.getAlpha();
+        return mAlpha;
     }
 
     public void updateBounds(Rect bounds) {
diff --git a/src/com/android/launcher3/dragndrop/DragController.java b/src/com/android/launcher3/dragndrop/DragController.java
index e72f341..4a39e6b 100644
--- a/src/com/android/launcher3/dragndrop/DragController.java
+++ b/src/com/android/launcher3/dragndrop/DragController.java
@@ -42,7 +42,6 @@
 import com.android.launcher3.Launcher;
 import com.android.launcher3.PagedView;
 import com.android.launcher3.ShortcutInfo;
-import com.android.launcher3.Utilities;
 import com.android.launcher3.util.Thunk;
 
 import com.android.launcher3.R;
@@ -657,21 +656,29 @@
 
         ViewConfiguration config = ViewConfiguration.get(mLauncher);
         mVelocityTracker.computeCurrentVelocity(1000, config.getScaledMaximumFlingVelocity());
-
+        PointF vel = new PointF(mVelocityTracker.getXVelocity(), mVelocityTracker.getYVelocity());
+        float theta = MAX_FLING_DEGREES + 1;
         if (mVelocityTracker.getYVelocity() < mFlingToDeleteThresholdVelocity) {
             // Do a quick dot product test to ensure that we are flinging upwards
-            PointF vel = new PointF(mVelocityTracker.getXVelocity(),
-                    mVelocityTracker.getYVelocity());
             PointF upVec = new PointF(0f, -1f);
-            float theta = (float) Math.acos(((vel.x * upVec.x) + (vel.y * upVec.y)) /
-                    (vel.length() * upVec.length()));
-            if (theta <= Math.toRadians(MAX_FLING_DEGREES)) {
-                return vel;
-            }
+            theta = getAngleBetweenVectors(vel, upVec);
+        } else if (mLauncher.getDeviceProfile().isVerticalBarLayout() &&
+                mVelocityTracker.getXVelocity() < mFlingToDeleteThresholdVelocity) {
+            // Remove icon is on left side instead of top, so check if we are flinging to the left.
+            PointF leftVec = new PointF(-1f, 0f);
+            theta = getAngleBetweenVectors(vel, leftVec);
+        }
+        if (theta <= Math.toRadians(MAX_FLING_DEGREES)) {
+            return vel;
         }
         return null;
     }
 
+    private float getAngleBetweenVectors(PointF vec1, PointF vec2) {
+        return (float) Math.acos(((vec1.x * vec2.x) + (vec1.y * vec2.y)) /
+                (vec1.length() * vec2.length()));
+    }
+
     void drop(DropTarget dropTarget, float x, float y, PointF flingVel) {
         final int[] coordinates = mCoordinatesTemp;
 
diff --git a/src/com/android/launcher3/util/FlingAnimation.java b/src/com/android/launcher3/util/FlingAnimation.java
index f82038b..da8bae7 100644
--- a/src/com/android/launcher3/util/FlingAnimation.java
+++ b/src/com/android/launcher3/util/FlingAnimation.java
@@ -51,7 +51,7 @@
         mFrom.top += yOffset;
         mFrom.bottom -= yOffset;
 
-        mDuration = initDuration();
+        mDuration = Math.abs(vel.y) > Math.abs(vel.x) ? initFlingUpDuration() : initFlingLeftDuration();
         mAnimationTimeFraction = ((float) mDuration) / (mDuration + DRAG_END_DELAY);
     }
 
@@ -62,7 +62,7 @@
      *   - Calculate a constant acceleration in x direction such that the object reaches
      *     {@link #mIconRect} in the given time.
      */
-    protected int initDuration() {
+    protected int initFlingUpDuration() {
         float sY = -mFrom.bottom;
 
         float d = mUY * mUY + 2 * sY * MAX_ACCELERATION;
@@ -83,6 +83,34 @@
         return (int) Math.round(t);
     }
 
+    /**
+     * The fling animation is based on the following system
+     *   - Apply a constant force in the x direction to causing the fling to decelerate.
+     *   - The animation runs for the time taken by the object to go out of the screen.
+     *   - Calculate a constant acceleration in y direction such that the object reaches
+     *     {@link #mIconRect} in the given time.
+     */
+    protected int initFlingLeftDuration() {
+        float sX = -mFrom.right;
+
+        float d = mUX * mUX + 2 * sX * MAX_ACCELERATION;
+        if (d >= 0) {
+            // sX can be reached under the MAX_ACCELERATION. Use MAX_ACCELERATION for x direction.
+            mAX = MAX_ACCELERATION;
+        } else {
+            // sX is not reachable, decrease the acceleration so that sX is almost reached.
+            d = 0;
+            mAX = mUX * mUX / (2 * -sX);
+        }
+        double t = (-mUX - Math.sqrt(d)) / mAX;
+
+        float sY = -mFrom.exactCenterY() + mIconRect.exactCenterY();
+
+        // Find vertical acceleration such that: u*t + a*t*t/2 = s
+        mAY = (float) ((sY - t * mUY) * 2 / (t * t));
+        return (int) Math.round(t);
+    }
+
     public final int getDuration() {
         return mDuration + DRAG_END_DELAY;
     }
diff --git a/src/com/android/launcher3/util/ViewOnDrawExecutor.java b/src/com/android/launcher3/util/ViewOnDrawExecutor.java
new file mode 100644
index 0000000..01808ba
--- /dev/null
+++ b/src/com/android/launcher3/util/ViewOnDrawExecutor.java
@@ -0,0 +1,96 @@
+/**
+ * Copyright (C) 2015 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 android.view.View;
+import android.view.View.OnAttachStateChangeListener;
+import android.view.ViewTreeObserver.OnDrawListener;
+
+import com.android.launcher3.DeferredHandler;
+import com.android.launcher3.Launcher;
+
+import java.util.ArrayList;
+import java.util.concurrent.Executor;
+
+/**
+ * An executor which runs all the tasks after the first onDraw is called on the target view.
+ */
+public class ViewOnDrawExecutor implements Executor, OnDrawListener, Runnable,
+        OnAttachStateChangeListener {
+
+    private final ArrayList<Runnable> mTasks = new ArrayList<>();
+    private final DeferredHandler mHandler;
+
+    private Launcher mLauncher;
+    private View mAttachedView;
+    private boolean mCompleted;
+
+    public ViewOnDrawExecutor(DeferredHandler handler) {
+        mHandler = handler;
+    }
+
+    public void attachTo(Launcher launcher) {
+        mLauncher = launcher;
+        mAttachedView = launcher.getWorkspace();
+        mAttachedView.addOnAttachStateChangeListener(this);
+
+        attachObserver();
+    }
+
+    private void attachObserver() {
+        if (!mCompleted) {
+            mAttachedView.getViewTreeObserver().addOnDrawListener(this);
+        }
+    }
+
+    @Override
+    public void execute(Runnable command) {
+        mTasks.add(command);
+    }
+
+    @Override
+    public void onViewAttachedToWindow(View v) {
+        attachObserver();
+    }
+
+    @Override
+    public void onViewDetachedFromWindow(View v) { }
+
+    @Override
+    public void onDraw() {
+        mAttachedView.post(this);
+    }
+
+    @Override
+    public void run() {
+        for (final Runnable r : mTasks) {
+            mHandler.post(r);
+        }
+        markCompleted();
+    }
+
+    public void markCompleted() {
+        mTasks.clear();
+        if (mAttachedView != null) {
+            mAttachedView.getViewTreeObserver().removeOnDrawListener(this);
+            mAttachedView.removeOnAttachStateChangeListener(this);
+        }
+        if (mLauncher != null) {
+            mLauncher.clearPendingExecutor(this);
+        }
+    }
+}