merge in ics-mr1-release history after reset to ics-mr1
diff --git a/res/values-da/strings.xml b/res/values-da/strings.xml
index 1b48b8b..742788b 100644
--- a/res/values-da/strings.xml
+++ b/res/values-da/strings.xml
@@ -63,7 +63,7 @@
     <string name="menu_manage_apps" msgid="2308685199463588895">"Administrer apps"</string>
     <string name="menu_wallpaper" msgid="5837429080911269832">"Tapet"</string>
     <string name="menu_search" msgid="4826514464423239041">"Søg"</string>
-    <string name="menu_notifications" msgid="6424587053194766192">"Meddelelser"</string>
+    <string name="menu_notifications" msgid="6424587053194766192">"Underretninger"</string>
     <string name="menu_settings" msgid="3946232973327980394">"Systemindstillinger"</string>
     <string name="menu_help" msgid="4901160661634590633">"Hjælp"</string>
     <string name="cab_menu_delete_app" msgid="4089398025537640349">"Afinstaller appen"</string>
diff --git a/res/values-sw-sw600dp/strings.xml b/res/values-sw-sw600dp/strings.xml
index d65f8de..20b6c86 100644
--- a/res/values-sw-sw600dp/strings.xml
+++ b/res/values-sw-sw600dp/strings.xml
@@ -19,7 +19,7 @@
 
 <resources xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
-    <string name="wallpaper_dialog_title" msgid="6395005465873616423">"Chagua pazia"</string>
-    <string name="wallpaper_chooser_empty" msgid="5909737215399452696">"Hakuna pazia zinazopatikana"</string>
+    <string name="wallpaper_dialog_title" msgid="6395005465873616423">"Chagua mandhari"</string>
+    <string name="wallpaper_chooser_empty" msgid="5909737215399452696">"Hakuna mandhari zinazopatikana"</string>
     <string name="wallpaper_cancel" msgid="1110492200533814461">"Ghairi"</string>
 </resources>
diff --git a/res/values-sw/strings.xml b/res/values-sw/strings.xml
index 053ce2e..df786fb 100644
--- a/res/values-sw/strings.xml
+++ b/res/values-sw/strings.xml
@@ -23,8 +23,8 @@
     <string name="uid_name" msgid="3371120195364560632">"Programu Kuu za Android"</string>
     <string name="folder_name" msgid="8551881338202938211"></string>
     <string name="chooser_wallpaper" msgid="6063168087625352235">"Chagua mandhari kutoka"</string>
-    <string name="wallpaper_instructions" msgid="4215640646180727542">"Weka pazia"</string>
-    <string name="pick_wallpaper" msgid="5630222540525626723">"Taswira"</string>
+    <string name="wallpaper_instructions" msgid="4215640646180727542">"Weka mandhari"</string>
+    <string name="pick_wallpaper" msgid="5630222540525626723">"Mandhari"</string>
     <string name="activity_not_found" msgid="217823393239365967">"Programu haijasakinishwa."</string>
     <string name="widgets_tab_label" msgid="9145860100000983599">"Wijeti"</string>
     <string name="long_press_widget_to_add" msgid="7395697462851217506">"Gusa &amp; ushikilie ili kuteua wijeti."</string>
@@ -39,7 +39,7 @@
     <string name="group_applications" msgid="2103752818818161976">"Prog"</string>
     <string name="group_shortcuts" msgid="9133529424900391877">"Njia za mkato"</string>
     <string name="group_widgets" msgid="6704978494073105844">"Wijeti"</string>
-    <string name="group_wallpapers" msgid="1568191644272224858">"Pazia"</string>
+    <string name="group_wallpapers" msgid="1568191644272224858">"Mandhari"</string>
     <string name="out_of_space" msgid="8365249326091984698">"Hakuna nafasi katika skrini hii ya nyumbani."</string>
     <string name="invalid_hotseat_item" msgid="6545340627805449250">"Wijeti hii ni kubwa zaidi kwa hotseat."</string>
     <string name="shortcut_installed" msgid="7071557296331322355">"Njia ya mkato ya \"<xliff:g id="NAME">%s</xliff:g>\" imeundwa."</string>
@@ -61,7 +61,7 @@
     <string name="delete_zone_label_all_apps_system_app" msgid="3683920959591819044">"Sanidua sasisho"</string>
     <string name="menu_add" msgid="3065046628354640854">"Ongeza"</string>
     <string name="menu_manage_apps" msgid="2308685199463588895">"Dhibiti programu"</string>
-    <string name="menu_wallpaper" msgid="5837429080911269832">"Pazia"</string>
+    <string name="menu_wallpaper" msgid="5837429080911269832">"Mandhari"</string>
     <string name="menu_search" msgid="4826514464423239041">"Tafuta"</string>
     <string name="menu_notifications" msgid="6424587053194766192">"Arifa"</string>
     <string name="menu_settings" msgid="3946232973327980394">"Mipangilio ya mfumo"</string>
@@ -88,13 +88,13 @@
     <string name="workspace_scroll_format" msgid="7911126267695001437">"Nafasi ya kazi %1$d ya %2$d"</string>
     <string name="apps_customize_apps_scroll_format" msgid="5494241912377704885">"Ukurasa wa programu %1$d ya %2$d"</string>
     <string name="apps_customize_widgets_scroll_format" msgid="5383009742241717437">"Ukurasa wa wijeti %1$d ya %2$d"</string>
-    <string name="workspace_cling_title" msgid="738396473989890567">"Jifanyie ujihisi nyumbani"</string>
-    <string name="workspace_cling_move_item" msgid="791013895761065070">"Unaweza kuweka prog zako uzipendazo hapa."</string>
-    <string name="workspace_cling_open_all_apps" msgid="2459977609848572588">"Kuangalia prog zako zote, gusa durara."</string>
-    <string name="all_apps_cling_title" msgid="2559734712581447107">"Chagua baadhi"</string>
-    <string name="all_apps_cling_add_item" msgid="5665035103260318891">"Ili kuongeza programu kwa skrini yako ya Nyumbani, gusa &amp; ishikilie."</string>
-    <string name="folder_cling_title" msgid="4308949882377840953">"Panga prog zako na folda"</string>
-    <string name="folder_cling_move_item" msgid="270598675060435169">"Kuhamisha prog, gusa na; uishikilie."</string>
+    <string name="workspace_cling_title" msgid="738396473989890567">"Jisikie huru"</string>
+    <string name="workspace_cling_move_item" msgid="791013895761065070">"Unaweza kuweka programu unazozipenda zaidi hapa."</string>
+    <string name="workspace_cling_open_all_apps" msgid="2459977609848572588">"Kutazama programu zako zote, gusa duara."</string>
+    <string name="all_apps_cling_title" msgid="2559734712581447107">"Chagua programu kadhaa"</string>
+    <string name="all_apps_cling_add_item" msgid="5665035103260318891">"Ili kuongeza programu kwa skrini yako ya Nyumbani, iguse na uishikilie."</string>
+    <string name="folder_cling_title" msgid="4308949882377840953">"Panga programu zako na folda"</string>
+    <string name="folder_cling_move_item" msgid="270598675060435169">"Kuhamisha programu, gusa na; uishikilie."</string>
     <string name="folder_cling_create_folder" msgid="8352867485656129478">"Kuunda folda mpya katika skrini yako ya nyumbani, rundika programu moja juu ya nyingine."</string>
     <string name="cling_dismiss" msgid="2780907108735868381">"Sawa"</string>
     <string name="folder_opened" msgid="4129072635480822768">"Folda imefunguliwa,%1$d na %2$d"</string>
diff --git a/res/values-vi/strings.xml b/res/values-vi/strings.xml
index 164f1e1..73896b4 100644
--- a/res/values-vi/strings.xml
+++ b/res/values-vi/strings.xml
@@ -43,7 +43,7 @@
     <string name="out_of_space" msgid="8365249326091984698">"Không còn khoảng trống trên Màn hình chính này."</string>
     <string name="invalid_hotseat_item" msgid="6545340627805449250">"Tiện ích này quá lớn cho điểm giới hạn."</string>
     <string name="shortcut_installed" msgid="7071557296331322355">"Lối tắt \"<xliff:g id="NAME">%s</xliff:g>\" đã được tạo."</string>
-    <string name="shortcut_uninstalled" msgid="2129499669449749995">"Lối tắt \"<xliff:g id="NAME">%s</xliff:g>\" đã bị xoá."</string>
+    <string name="shortcut_uninstalled" msgid="2129499669449749995">"Lối tắt \"<xliff:g id="NAME">%s</xliff:g>\" đã bị xóa."</string>
     <string name="shortcut_duplicate" msgid="4757756326465060694">"Lối tắt \"<xliff:g id="NAME">%s</xliff:g>\" đã tồn tại."</string>
     <string name="title_select_shortcut" msgid="2858897527672831763">"Chọn lối tắt"</string>
     <string name="title_select_application" msgid="1793455815754848652">"Chọn ứng dụng"</string>
diff --git a/src/com/android/launcher2/AppsCustomizePagedView.java b/src/com/android/launcher2/AppsCustomizePagedView.java
index 0189d6c..b732eec 100644
--- a/src/com/android/launcher2/AppsCustomizePagedView.java
+++ b/src/com/android/launcher2/AppsCustomizePagedView.java
@@ -393,15 +393,17 @@
         mWidgetSpacingLayout.measure(widthSpec, heightSpec);
         mContentWidth = mWidgetSpacingLayout.getContentWidth();
 
+        AppsCustomizeTabHost host = (AppsCustomizeTabHost) getTabHost();
+        final boolean hostIsTransitioning = host.isTransitioning();
+
         // Restore the page
         int page = getPageForComponent(mSaveInstanceStateItemIndex);
-        invalidatePageData(Math.max(0, page));
+        invalidatePageData(Math.max(0, page), hostIsTransitioning);
 
         // Show All Apps cling if we are finished transitioning, otherwise, we will try again when
         // the transition completes in AppsCustomizeTabHost (otherwise the wrong offsets will be
         // returned while animating)
-        AppsCustomizeTabHost host = (AppsCustomizeTabHost) getTabHost();
-        if (!host.isTransitioning()) {
+        if (!hostIsTransitioning) {
             post(new Runnable() {
                 @Override
                 public void run() {
@@ -558,7 +560,8 @@
         PendingAddItemInfo createItemInfo = (PendingAddItemInfo) v.getTag();
 
         // Compose the drag image
-        Bitmap b;
+        Bitmap preview;
+        Bitmap outline;
         if (createItemInfo instanceof PendingAddWidgetInfo) {
             PendingAddWidgetInfo createWidgetInfo = (PendingAddWidgetInfo) createItemInfo;
             int[] spanXY = mLauncher.getSpanForWidget(createWidgetInfo, null);
@@ -567,20 +570,17 @@
 
             int[] maxSize = mLauncher.getWorkspace().estimateItemSize(spanXY[0], spanXY[1],
                     createWidgetInfo, true);
-            b = getWidgetPreview(createWidgetInfo.componentName, createWidgetInfo.previewImage,
+            preview = getWidgetPreview(createWidgetInfo.componentName, createWidgetInfo.previewImage,
                     createWidgetInfo.icon, spanXY[0], spanXY[1], maxSize[0], maxSize[1]);
         } else {
             // Workaround for the fact that we don't keep the original ResolveInfo associated with
             // the shortcut around.  To get the icon, we just render the preview image (which has
             // the shortcut icon) to a new drag bitmap that clips the non-icon space.
-            b = Bitmap.createBitmap(mWidgetPreviewIconPaddedDimension,
+            preview = Bitmap.createBitmap(mWidgetPreviewIconPaddedDimension,
                     mWidgetPreviewIconPaddedDimension, Bitmap.Config.ARGB_8888);
-            Drawable preview = image.getDrawable();
-            mCanvas.setBitmap(b);
-            mCanvas.save();
-            preview.draw(mCanvas);
-            mCanvas.restore();
-            mCanvas.drawColor(mDragViewMultiplyColor, PorterDuff.Mode.MULTIPLY);
+            Drawable d = image.getDrawable();
+            mCanvas.setBitmap(preview);
+            d.draw(mCanvas);
             mCanvas.setBitmap(null);
             createItemInfo.spanX = createItemInfo.spanY = 1;
         }
@@ -595,12 +595,21 @@
             }
         }
 
+        // Save the preview for the outline generation, then dim the preview
+        outline = Bitmap.createScaledBitmap(preview, preview.getWidth(), preview.getHeight(),
+                false);
+        mCanvas.setBitmap(preview);
+        mCanvas.drawColor(mDragViewMultiplyColor, PorterDuff.Mode.MULTIPLY);
+        mCanvas.setBitmap(null);
+
         // Start the drag
+        alphaClipPaint = null;
         mLauncher.lockScreenOrientationOnLargeUI();
-        mLauncher.getWorkspace().onDragStartedWithItem(createItemInfo, b, alphaClipPaint);
-        mDragController.startDrag(image, b, this, createItemInfo,
+        mLauncher.getWorkspace().onDragStartedWithItem(createItemInfo, outline, alphaClipPaint);
+        mDragController.startDrag(image, preview, this, createItemInfo,
                 DragController.DRAG_ACTION_COPY, null);
-        b.recycle();
+        outline.recycle();
+        preview.recycle();
     }
     @Override
     protected boolean beginDragging(View v) {
@@ -662,6 +671,18 @@
         cancelAllTasks();
     }
 
+    public void clearAllWidgetPages() {
+        cancelAllTasks();
+        int count = getChildCount();
+        for (int i = 0; i < count; i++) {
+            View v = getPageAt(i);
+            if (v instanceof PagedViewGridLayout) {
+                ((PagedViewGridLayout) v).removeAllViewsOnPage();
+                mDirtyPageContent.set(i, true);
+            }
+        }
+    }
+
     private void cancelAllTasks() {
         // Clean up all the async tasks
         Iterator<AppsCustomizeAsyncTask> iter = mRunningTasks.iterator();
diff --git a/src/com/android/launcher2/AppsCustomizeTabHost.java b/src/com/android/launcher2/AppsCustomizeTabHost.java
index 778d6bc..2963240 100644
--- a/src/com/android/launcher2/AppsCustomizeTabHost.java
+++ b/src/com/android/launcher2/AppsCustomizeTabHost.java
@@ -366,6 +366,11 @@
         }
         mContent.setVisibility(VISIBLE);
 
+        if (!toWorkspace) {
+            // Make sure the current page is loaded (we start loading the side pages after the
+            // transition to prevent slowing down the animation)
+            mAppsCustomizePane.loadAssociatedPages(mAppsCustomizePane.getCurrentPage(), true);
+        }
         if (animated && !delayLauncherTransitionUntilLayout) {
             enableAndBuildHardwareLayer();
         }
@@ -391,6 +396,9 @@
             // Dismiss the workspace cling and show the all apps cling (if not already shown)
             l.dismissWorkspaceCling(null);
             mAppsCustomizePane.showAllAppsCling();
+            // Make sure adjacent pages are loaded (we wait until after the transition to
+            // prevent slowing down the animation)
+            mAppsCustomizePane.loadAssociatedPages(mAppsCustomizePane.getCurrentPage());
 
             if (!LauncherApplication.isScreenLarge()) {
                 mAppsCustomizePane.hideScrollingIndicator(false);
@@ -398,6 +406,23 @@
         }
     }
 
+    public void onResume() {
+        if (getVisibility() == VISIBLE) {
+            mContent.setVisibility(VISIBLE);
+            // We unload the widget previews when the UI is hidden, so need to reload pages
+            // Load the current page synchronously, and the neighboring pages asynchronously
+            mAppsCustomizePane.loadAssociatedPages(mAppsCustomizePane.getCurrentPage(), true);
+            mAppsCustomizePane.loadAssociatedPages(mAppsCustomizePane.getCurrentPage());
+        }
+    }
+
+    public void onTrimMemory() {
+        mContent.setVisibility(GONE);
+        // Clear the widget pages of all their subviews - this will trigger the widget previews
+        // to delete their bitmaps
+        mAppsCustomizePane.clearAllWidgetPages();
+    }
+
     boolean isTransitioning() {
         return mInTransition;
     }
diff --git a/src/com/android/launcher2/Folder.java b/src/com/android/launcher2/Folder.java
index a6757d7..fdde4d5 100644
--- a/src/com/android/launcher2/Folder.java
+++ b/src/com/android/launcher2/Folder.java
@@ -156,6 +156,7 @@
         super.onFinishInflate();
         mContent = (CellLayout) findViewById(R.id.folder_content);
         mContent.setGridSize(0, 0);
+        mContent.getChildrenLayout().setMotionEventSplittingEnabled(false);
         mFolderName = (FolderEditText) findViewById(R.id.folder_name);
         mFolderName.setFolder(this);
         mFolderName.setOnFocusChangeListener(this);
diff --git a/src/com/android/launcher2/HolographicImageView.java b/src/com/android/launcher2/HolographicImageView.java
index 1d34cd6..9e551e0 100644
--- a/src/com/android/launcher2/HolographicImageView.java
+++ b/src/com/android/launcher2/HolographicImageView.java
@@ -39,6 +39,10 @@
         mHolographicHelper = new HolographicViewHelper(context);
     }
 
+    void invalidatePressedFocusedStates() {
+        mHolographicHelper.invalidatePressedFocusedStates(this);
+    }
+
     @Override
     protected void onDraw(Canvas canvas) {
         super.onDraw(canvas);
diff --git a/src/com/android/launcher2/HolographicLinearLayout.java b/src/com/android/launcher2/HolographicLinearLayout.java
index c6a8d6a..a40c727 100644
--- a/src/com/android/launcher2/HolographicLinearLayout.java
+++ b/src/com/android/launcher2/HolographicLinearLayout.java
@@ -66,6 +66,10 @@
         }
     }
 
+    void invalidatePressedFocusedStates() {
+        mHolographicHelper.invalidatePressedFocusedStates(mImageView);
+    }
+
     @Override
     protected void onDraw(Canvas canvas) {
         super.onDraw(canvas);
diff --git a/src/com/android/launcher2/HolographicViewHelper.java b/src/com/android/launcher2/HolographicViewHelper.java
index 11e81b4..fd49908 100644
--- a/src/com/android/launcher2/HolographicViewHelper.java
+++ b/src/com/android/launcher2/HolographicViewHelper.java
@@ -42,7 +42,7 @@
     void generatePressedFocusedStates(ImageView v) {
         if (!mStatesUpdated && v != null) {
             mStatesUpdated = true;
-            Bitmap outline = createGlowingOutline(v, mTempCanvas);
+            Bitmap outline = createPressImage(v, mTempCanvas);
             FastBitmapDrawable d = new FastBitmapDrawable(outline);
 
             StateListDrawable states = new StateListDrawable();
@@ -54,10 +54,20 @@
     }
 
     /**
-     * Returns a new bitmap to be used as the object outline, e.g. to visualize the drop location.
+     * Invalidates the pressed/focused states.
+     */
+    void invalidatePressedFocusedStates(ImageView v) {
+        mStatesUpdated = false;
+        if (v != null) {
+            v.invalidate();
+        }
+    }
+
+    /**
+     * Creates a new press state image which is the old image with a blue overlay.
      * Responsibility for the bitmap is transferred to the caller.
      */
-    private Bitmap createGlowingOutline(ImageView v, Canvas canvas) {
+    private Bitmap createPressImage(ImageView v, Canvas canvas) {
         final int padding = HolographicOutlineHelper.MAX_OUTER_BLUR_RADIUS;
         final Bitmap b = Bitmap.createBitmap(
                 v.getWidth() + padding, v.getHeight() + padding, Bitmap.Config.ARGB_8888);
diff --git a/src/com/android/launcher2/InstallShortcutReceiver.java b/src/com/android/launcher2/InstallShortcutReceiver.java
index 9d7054c..ed8f299 100644
--- a/src/com/android/launcher2/InstallShortcutReceiver.java
+++ b/src/com/android/launcher2/InstallShortcutReceiver.java
@@ -65,11 +65,15 @@
                 boolean duplicate = data.getBooleanExtra(Launcher.EXTRA_SHORTCUT_DUPLICATE, true);
                 if (duplicate || !LauncherModel.shortcutExists(context, name, intent)) {
                     LauncherApplication app = (LauncherApplication) context.getApplicationContext();
-                    app.getModel().addShortcut(context, data,
+                    ShortcutInfo info = app.getModel().addShortcut(context, data,
                             LauncherSettings.Favorites.CONTAINER_DESKTOP, screen, mCoordinates[0],
                             mCoordinates[1], true);
-                    Toast.makeText(context, context.getString(R.string.shortcut_installed, name),
-                            Toast.LENGTH_SHORT).show();
+                    if (info != null) {
+                        Toast.makeText(context, context.getString(R.string.shortcut_installed, name),
+                                Toast.LENGTH_SHORT).show();
+                    } else {
+                        return false;
+                    }
                 } else {
                     Toast.makeText(context, context.getString(R.string.shortcut_duplicate, name),
                             Toast.LENGTH_SHORT).show();
diff --git a/src/com/android/launcher2/Launcher.java b/src/com/android/launcher2/Launcher.java
index 6ea14db..33ead5c 100644
--- a/src/com/android/launcher2/Launcher.java
+++ b/src/com/android/launcher2/Launcher.java
@@ -36,6 +36,7 @@
 import android.content.BroadcastReceiver;
 import android.content.ClipData;
 import android.content.ClipDescription;
+import android.content.ComponentCallbacks2;
 import android.content.ComponentName;
 import android.content.ContentResolver;
 import android.content.Context;
@@ -563,6 +564,7 @@
         // When we resume Launcher, a different Activity might be responsible for the app
         // market intent, so refresh the icon
         updateAppMarketIcon();
+        mAppsCustomizeTabHost.onResume();
         if (!mWorkspaceLoading) {
             final ViewTreeObserver observer = mWorkspace.getViewTreeObserver();
             final Workspace workspace = mWorkspace;
@@ -873,6 +875,9 @@
         boolean foundCellSpan = false;
 
         ShortcutInfo info = mModel.infoFromShortcutIntent(this, data, null);
+        if (info == null) {
+            return;
+        }
         final View view = createShortcut(info);
 
         // First we check if we already know the exact location where we want to add this item.
@@ -1709,6 +1714,8 @@
      * @param v The view that was clicked.
      */
     public void onClickSearchButton(View v) {
+        v.performHapticFeedback(HapticFeedbackConstants.VIRTUAL_KEY);
+
         onSearchRequested();
     }
 
@@ -1718,10 +1725,8 @@
      * @param v The view that was clicked.
      */
     public void onClickVoiceButton(View v) {
-        startVoiceSearch();
-    }
+        v.performHapticFeedback(HapticFeedbackConstants.VIRTUAL_KEY);
 
-    private void startVoiceSearch() {
         Intent intent = new Intent(RecognizerIntent.ACTION_WEB_SEARCH);
         intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_EXCLUDE_FROM_RECENTS);
         startActivity(intent);
@@ -2397,6 +2402,14 @@
         }
     }
 
+    @Override
+    public void onTrimMemory(int level) {
+        super.onTrimMemory(level);
+        if (level == ComponentCallbacks2.TRIM_MEMORY_UI_HIDDEN) {
+            mAppsCustomizeTabHost.onTrimMemory();
+        }
+    }
+
     void showWorkspace(boolean animated) {
         Resources res = getResources();
         int stagger = res.getInteger(R.integer.config_appsCustomizeWorkspaceAnimationStagger);
@@ -2661,6 +2674,16 @@
         button.setImageDrawable(d.newDrawable(getResources()));
     }
 
+    private void invalidatePressedFocusedStates(View container, View button) {
+        if (container instanceof HolographicLinearLayout) {
+            HolographicLinearLayout layout = (HolographicLinearLayout) container;
+            layout.invalidatePressedFocusedStates();
+        } else if (button instanceof HolographicImageView) {
+            HolographicImageView view = (HolographicImageView) button;
+            view.invalidatePressedFocusedStates();
+        }
+    }
+
     private boolean updateGlobalSearchIcon() {
         final View searchButtonContainer = findViewById(R.id.search_button_container);
         final ImageView searchButton = (ImageView) findViewById(R.id.search_button);
@@ -2678,6 +2701,7 @@
             if (searchDivider != null) searchDivider.setVisibility(View.VISIBLE);
             if (searchButtonContainer != null) searchButtonContainer.setVisibility(View.VISIBLE);
             searchButton.setVisibility(View.VISIBLE);
+            invalidatePressedFocusedStates(searchButtonContainer, searchButton);
             return true;
         } else {
             // We disable both search and voice search when there is no global search provider
@@ -2691,7 +2715,10 @@
     }
 
     private void updateGlobalSearchIcon(Drawable.ConstantState d) {
+        final View searchButtonContainer = findViewById(R.id.search_button_container);
+        final View searchButton = (ImageView) findViewById(R.id.search_button);
         updateButtonWithDrawable(R.id.search_button, d);
+        invalidatePressedFocusedStates(searchButtonContainer, searchButton);
     }
 
     private boolean updateVoiceSearchIcon(boolean searchVisible) {
@@ -2709,6 +2736,7 @@
             if (searchDivider != null) searchDivider.setVisibility(View.VISIBLE);
             if (voiceButtonContainer != null) voiceButtonContainer.setVisibility(View.VISIBLE);
             voiceButton.setVisibility(View.VISIBLE);
+            invalidatePressedFocusedStates(voiceButtonContainer, voiceButton);
             return true;
         } else {
             if (searchDivider != null) searchDivider.setVisibility(View.GONE);
@@ -2719,7 +2747,10 @@
     }
 
     private void updateVoiceSearchIcon(Drawable.ConstantState d) {
+        final View voiceButtonContainer = findViewById(R.id.voice_button_container);
+        final View voiceButton = findViewById(R.id.voice_button);
         updateButtonWithDrawable(R.id.voice_button, d);
+        invalidatePressedFocusedStates(voiceButtonContainer, voiceButton);
     }
 
     /**
diff --git a/src/com/android/launcher2/LauncherModel.java b/src/com/android/launcher2/LauncherModel.java
index 1755903..50a36a5 100644
--- a/src/com/android/launcher2/LauncherModel.java
+++ b/src/com/android/launcher2/LauncherModel.java
@@ -1772,6 +1772,9 @@
     ShortcutInfo addShortcut(Context context, Intent data, long container, int screen,
             int cellX, int cellY, boolean notify) {
         final ShortcutInfo info = infoFromShortcutIntent(context, data, null);
+        if (info == null) {
+            return null;
+        }
         addItemToDatabase(context, info, container, screen, cellX, cellY, notify);
 
         return info;
@@ -1835,6 +1838,12 @@
         String name = data.getStringExtra(Intent.EXTRA_SHORTCUT_NAME);
         Parcelable bitmap = data.getParcelableExtra(Intent.EXTRA_SHORTCUT_ICON);
 
+        if (intent == null) {
+            // If the intent is null, we can't construct a valid ShortcutInfo, so we return null
+            Log.e(TAG, "Can't construct ShorcutInfo with null intent");
+            return null;
+        }
+
         Bitmap icon = null;
         boolean customIcon = false;
         ShortcutIconResource iconResource = null;
diff --git a/src/com/android/launcher2/PagedView.java b/src/com/android/launcher2/PagedView.java
index 2f66537..3f5652e 100644
--- a/src/com/android/launcher2/PagedView.java
+++ b/src/com/android/launcher2/PagedView.java
@@ -61,8 +61,6 @@
 
     // the min drag distance for a fling to register, to prevent random page shifts
     private static final int MIN_LENGTH_FOR_FLING = 25;
-    // The min drag distance to trigger a page shift (regardless of velocity)
-    private static final int MIN_LENGTH_FOR_MOVE = 200;
 
     private static final int PAGE_SNAP_ANIMATION_DURATION = 550;
     protected static final float NANOTIME_DIV = 1000000000.0f;
@@ -72,6 +70,8 @@
     private static final int MINIMUM_SNAP_VELOCITY = 2200;
     private static final int MIN_FLING_VELOCITY = 250;
     private static final float RETURN_TO_ORIGINAL_PAGE_THRESHOLD = 0.33f;
+    // The page is moved more than halfway, automatically move to the next page on touch up.
+    private static final float SIGNIFICANT_MOVE_THRESHOLD = 0.4f;
 
     // the velocity at which a fling gesture will cause us to snap to the next page
     protected int mSnapVelocity = 500;
@@ -143,7 +143,7 @@
 
     private PageSwitchListener mPageSwitchListener;
 
-    private ArrayList<Boolean> mDirtyPageContent;
+    protected ArrayList<Boolean> mDirtyPageContent;
 
     // choice modes
     protected static final int CHOICE_MODE_NONE = 0;
@@ -1205,24 +1205,25 @@
                 velocityTracker.computeCurrentVelocity(1000, mMaximumVelocity);
                 int velocityX = (int) velocityTracker.getXVelocity(activePointerId);
                 final int deltaX = (int) (x - mDownMotionX);
-                boolean isSignificantMove = Math.abs(deltaX) > MIN_LENGTH_FOR_MOVE;
+                final int pageWidth = getScaledMeasuredWidth(getPageAt(mCurrentPage));
+                boolean isSignificantMove = Math.abs(deltaX) > pageWidth *
+                        SIGNIFICANT_MOVE_THRESHOLD;
                 final int snapVelocity = mSnapVelocity;
 
                 mTotalMotionX += Math.abs(mLastMotionX + mLastMotionXRemainder - x);
 
+                boolean isFling = mTotalMotionX > MIN_LENGTH_FOR_FLING &&
+                        Math.abs(velocityX) > snapVelocity;
+
                 // In the case that the page is moved far to one direction and then is flung
                 // in the opposite direction, we use a threshold to determine whether we should
                 // just return to the starting page, or if we should skip one further.
                 boolean returnToOriginalPage = false;
-                final int pageWidth = getScaledMeasuredWidth(getPageAt(mCurrentPage));
                 if (Math.abs(deltaX) > pageWidth * RETURN_TO_ORIGINAL_PAGE_THRESHOLD &&
-                        Math.signum(velocityX) != Math.signum(deltaX)) {
+                        Math.signum(velocityX) != Math.signum(deltaX) && isFling) {
                     returnToOriginalPage = true;
                 }
 
-                boolean isFling = mTotalMotionX > MIN_LENGTH_FOR_FLING &&
-                        Math.abs(velocityX) > snapVelocity;
-
                 int finalPage;
                 // We give flings precedence over large moves, which is why we short-circuit our
                 // test for a large move if a fling has been registered. That is, a large
diff --git a/src/com/android/launcher2/PagedViewGridLayout.java b/src/com/android/launcher2/PagedViewGridLayout.java
index 5c32e09..b1b6215 100644
--- a/src/com/android/launcher2/PagedViewGridLayout.java
+++ b/src/com/android/launcher2/PagedViewGridLayout.java
@@ -68,6 +68,12 @@
                 heightMeasureSpec);
     }
 
+    @Override
+    protected void onDetachedFromWindow() {
+        super.onDetachedFromWindow();
+        mOnLayoutListener = null;
+    }
+
     public void setOnLayoutListener(Runnable r) {
         mOnLayoutListener = r;
     }
diff --git a/src/com/android/launcher2/Workspace.java b/src/com/android/launcher2/Workspace.java
index 79e9942..d4e8ad4 100644
--- a/src/com/android/launcher2/Workspace.java
+++ b/src/com/android/launcher2/Workspace.java
@@ -57,6 +57,7 @@
 import android.view.DragEvent;
 import android.view.MotionEvent;
 import android.view.View;
+import android.view.ViewConfiguration;
 import android.view.ViewGroup;
 import android.view.animation.DecelerateInterpolator;
 import android.widget.ImageView;
@@ -1280,21 +1281,34 @@
         return (mBackground != null && mBackgroundAlpha > 0.0f && mDrawBackground);
     }
 
-    @Override
-    protected void dispatchDraw(Canvas canvas) {
+    public void scrollTo (int x, int y) {
+        super.scrollTo(x, y);
+        syncChildrenLayersEnabledOnVisiblePages();
+    }
+
+    // This method just applies the value mChildrenLayersEnabled to all the pages that
+    // will be rendered on the next frame.
+    // We do this because calling setChildrenLayersEnabled on a view that's not
+    // visible/rendered causes slowdowns on some graphics cards
+    private void syncChildrenLayersEnabledOnVisiblePages() {
         if (mChildrenLayersEnabled) {
             getVisiblePages(mTempVisiblePagesRange);
             final int leftScreen = mTempVisiblePagesRange[0];
             final int rightScreen = mTempVisiblePagesRange[1];
             if (leftScreen != -1 && rightScreen != -1) {
-                // calling setChildrenLayersEnabled on a view that's not visible/rendered
-                // causes slowdowns on some graphics cards, so we set it here to be sure
-                // it's only called when it's safe (ie when the view will be rendered)
                 for (int i = leftScreen; i <= rightScreen; i++) {
-                    ((ViewGroup)getPageAt(i)).setChildrenLayersEnabled(true);
+                    ViewGroup page = (ViewGroup) getPageAt(i);
+                    if (page.getVisibility() == VISIBLE &&
+                            page.getAlpha() > ViewConfiguration.ALPHA_THRESHOLD) {
+                        ((ViewGroup)getPageAt(i)).setChildrenLayersEnabled(true);
+                    }
                 }
             }
         }
+    }
+
+    @Override
+    protected void dispatchDraw(Canvas canvas) {
         super.dispatchDraw(canvas);
 
         if (mInScrollArea && !LauncherApplication.isScreenLarge()) {
@@ -1723,6 +1737,7 @@
                                 b * mNewBackgroundAlphaMultipliers[i]);
                         cl.setFastAlpha(a * mOldAlphas[i] + b * mNewAlphas[i]);
                     }
+                    syncChildrenLayersEnabledOnVisiblePages();
                 }
             });
 
@@ -1760,6 +1775,7 @@
             // Fade the background gradient away
             animateBackgroundGradient(0f, true);
         }
+        syncChildrenLayersEnabledOnVisiblePages();
     }
 
     /**
@@ -1875,9 +1891,7 @@
         // center the image
         dst.offset((w - scaledWidth) / 2, (h - scaledHeight) / 2);
 
-        Paint p = new Paint();
-        p.setFilterBitmap(true);
-        canvas.drawBitmap(orig, src, dst, p);
+        canvas.drawBitmap(orig, src, dst, null);
         mOutlineHelper.applyMediumExpensiveOutlineWithBlur(b, canvas, outlineColor, outlineColor,
                 alphaClipPaint);
         canvas.setBitmap(null);
@@ -2038,9 +2052,18 @@
                 return true;
             }
 
-
             // Don't accept the drop if there's no room for the item
             if (!mDragTargetLayout.findCellForSpanIgnoring(null, spanX, spanY, ignoreView)) {
+                // Don't show the message if we are dropping on the AllApps button and the hotseat
+                // is full
+                if (mTargetCell != null && mLauncher.isHotseatLayout(mDragTargetLayout)) {
+                    Hotseat hotseat = mLauncher.getHotseat();
+                    if (Hotseat.isAllAppsButtonRank(
+                            hotseat.getOrderInHotseat(mTargetCell[0], mTargetCell[1]))) {
+                        return false;
+                    }
+                }
+
                 mLauncher.showOutOfSpaceMessage();
                 return false;
             }
@@ -2347,6 +2370,7 @@
             mDragTargetLayout.onDragExit();
         }
         mLastDragOverView = null;
+        mSpringLoadedDragController.cancel();
 
         if (!mIsPageMoving) {
             hideOutlines();
@@ -2455,7 +2479,9 @@
                 if (isShortcut) {
                     final Intent intent = data.getItemAt(index).getIntent();
                     Object info = model.infoFromShortcutIntent(mContext, intent, data.getIcon());
-                    onDropExternal(new int[] { x, y }, info, layout, false);
+                    if (info != null) {
+                        onDropExternal(new int[] { x, y }, info, layout, false);
+                    }
                 } else {
                     if (widgets.size() == 1) {
                         // If there is only one item, then go ahead and add and configure
@@ -2620,7 +2646,7 @@
                 return cl;
             }
 
-            if (!exact && overlaps(cl, dragView, (int) originX, (int) originY, mTempInverseMatrix)) {
+            if (!exact) {
                 // Get the center of the cell layout in screen coordinates
                 final float[] cellLayoutCenter = mTempCellLayoutCenterCoordinates;
                 cellLayoutCenter[0] = cl.getWidth()/2;
@@ -2706,7 +2732,7 @@
                 }
             }
             if (layout == null) {
-                layout = findMatchingPageForDragOver(d.dragView, d.x, d.y, true);
+                layout = findMatchingPageForDragOver(d.dragView, d.x, d.y, false);
             }
             if (layout != mDragTargetLayout) {
                 // Cancel all intermediate folder states