diff --git a/res/layout-land/workspace_screen.xml b/res/layout-land/workspace_screen.xml
index 2483f51..a58ea07 100644
--- a/res/layout-land/workspace_screen.xml
+++ b/res/layout-land/workspace_screen.xml
@@ -20,6 +20,7 @@
 
     android:layout_width="match_parent"
     android:layout_height="match_parent"
+    android:hapticFeedbackEnabled="false"
 
     launcher:cellWidth="@dimen/workspace_cell_width"
     launcher:cellHeight="@dimen/workspace_cell_height"
diff --git a/res/layout-port/workspace_screen.xml b/res/layout-port/workspace_screen.xml
index b43375b..4929c2f 100644
--- a/res/layout-port/workspace_screen.xml
+++ b/res/layout-port/workspace_screen.xml
@@ -20,6 +20,7 @@
 
     android:layout_width="match_parent"
     android:layout_height="match_parent"
+    android:hapticFeedbackEnabled="false"
 
     launcher:cellWidth="@dimen/workspace_cell_width"
     launcher:cellHeight="@dimen/workspace_cell_height"
diff --git a/src/com/android/launcher2/AllAppsView.java b/src/com/android/launcher2/AllAppsView.java
index 321874b..d3503de 100644
--- a/src/com/android/launcher2/AllAppsView.java
+++ b/src/com/android/launcher2/AllAppsView.java
@@ -160,9 +160,14 @@
         mRS = createRenderScript(true);
     }
 
+    /**
+     * Note that this implementation prohibits this view from ever being reattached.
+     */
     @Override
     protected void onDetachedFromWindow() {
         destroyRenderScript();
+        mRS.mMessageCallback = null;
+        mRS = null;
     }
 
     /**
@@ -217,7 +222,9 @@
         mRollo.dirtyCheck();
         mRollo.resize(w, h);
 
-        mRS.mMessageCallback = mMessageProc = new AAMessage();
+        if (mRS != null) {
+            mRS.mMessageCallback = mMessageProc = new AAMessage();
+        }
 
         Resources res = getContext().getResources();
         int barHeight = (int)res.getDimension(R.dimen.button_bar_height);
@@ -683,6 +690,11 @@
     }
 
     public void setApps(ArrayList<ApplicationInfo> list) {
+        if (mRS == null) {
+            // We've been removed from the window.  Don't bother with all this.
+            return;
+        }
+
         mAllAppsList = list;
         if (mRollo != null) {
             mRollo.setApps(list);
@@ -695,6 +707,10 @@
             // Not done loading yet.  We'll find out about it later.
             return;
         }
+        if (mRS == null) {
+            // We've been removed from the window.  Don't bother with all this.
+            return;
+        }
 
         final int N = list.size();
         if (mRollo != null) {
diff --git a/src/com/android/launcher2/Launcher.java b/src/com/android/launcher2/Launcher.java
index 089e551..ee92fc7 100644
--- a/src/com/android/launcher2/Launcher.java
+++ b/src/com/android/launcher2/Launcher.java
@@ -558,6 +558,7 @@
 
         mWorkspace = (Workspace) dragLayer.findViewById(R.id.workspace);
         final Workspace workspace = mWorkspace;
+        workspace.setHapticFeedbackEnabled(false);
 
         DeleteZone deleteZone = (DeleteZone) dragLayer.findViewById(R.id.delete_zone);
         mDeleteZone = deleteZone;
@@ -1385,6 +1386,8 @@
                 if (cellInfo.valid) {
                     // User long pressed on empty space
                     mWorkspace.setAllowLongPress(false);
+                    mWorkspace.performHapticFeedback(HapticFeedbackConstants.LONG_PRESS,
+                            HapticFeedbackConstants.FLAG_IGNORE_VIEW_SETTING);
                     showAddDialog(cellInfo);
                 }
             } else {