Merge "Updating the UI for focused state of an icon/folder." into ub-now-porkchop
diff --git a/res/drawable-hdpi/quantum_panel_dark.9.png b/res/drawable-hdpi/quantum_panel_dark.9.png
index 057efd1..abaf230 100644
--- a/res/drawable-hdpi/quantum_panel_dark.9.png
+++ b/res/drawable-hdpi/quantum_panel_dark.9.png
Binary files differ
diff --git a/res/drawable-hdpi/virtual_preload.9.png b/res/drawable-hdpi/virtual_preload.9.png
new file mode 100644
index 0000000..71e5326
--- /dev/null
+++ b/res/drawable-hdpi/virtual_preload.9.png
Binary files differ
diff --git a/res/drawable-hdpi/virtual_preload_folder.9.png b/res/drawable-hdpi/virtual_preload_folder.9.png
new file mode 100644
index 0000000..ece3226
--- /dev/null
+++ b/res/drawable-hdpi/virtual_preload_folder.9.png
Binary files differ
diff --git a/res/drawable-mdpi/quantum_panel_dark.9.png b/res/drawable-mdpi/quantum_panel_dark.9.png
index 7837e48..7728a72 100644
--- a/res/drawable-mdpi/quantum_panel_dark.9.png
+++ b/res/drawable-mdpi/quantum_panel_dark.9.png
Binary files differ
diff --git a/res/drawable-mdpi/virtual_preload.9.png b/res/drawable-mdpi/virtual_preload.9.png
new file mode 100644
index 0000000..a3c7519
--- /dev/null
+++ b/res/drawable-mdpi/virtual_preload.9.png
Binary files differ
diff --git a/res/drawable-mdpi/virtual_preload_folder.9.png b/res/drawable-mdpi/virtual_preload_folder.9.png
new file mode 100644
index 0000000..fa2f131
--- /dev/null
+++ b/res/drawable-mdpi/virtual_preload_folder.9.png
Binary files differ
diff --git a/res/drawable-xhdpi/quantum_panel_dark.9.png b/res/drawable-xhdpi/quantum_panel_dark.9.png
index 8944a8f..4c1868b 100644
--- a/res/drawable-xhdpi/quantum_panel_dark.9.png
+++ b/res/drawable-xhdpi/quantum_panel_dark.9.png
Binary files differ
diff --git a/res/drawable-xhdpi/virtual_preload.9.png b/res/drawable-xhdpi/virtual_preload.9.png
new file mode 100644
index 0000000..d2c3fea
--- /dev/null
+++ b/res/drawable-xhdpi/virtual_preload.9.png
Binary files differ
diff --git a/res/drawable-xhdpi/virtual_preload_folder.9.png b/res/drawable-xhdpi/virtual_preload_folder.9.png
new file mode 100644
index 0000000..1f9202b
--- /dev/null
+++ b/res/drawable-xhdpi/virtual_preload_folder.9.png
Binary files differ
diff --git a/res/drawable-xxhdpi/quantum_panel_dark.9.png b/res/drawable-xxhdpi/quantum_panel_dark.9.png
index b74f1a6..17ba0f1 100644
--- a/res/drawable-xxhdpi/quantum_panel_dark.9.png
+++ b/res/drawable-xxhdpi/quantum_panel_dark.9.png
Binary files differ
diff --git a/res/drawable-xxhdpi/virtual_preload.9.png b/res/drawable-xxhdpi/virtual_preload.9.png
index 0ec1740..93e3b33 100644
--- a/res/drawable-xxhdpi/virtual_preload.9.png
+++ b/res/drawable-xxhdpi/virtual_preload.9.png
Binary files differ
diff --git a/res/drawable-xxhdpi/virtual_preload_folder.9.png b/res/drawable-xxhdpi/virtual_preload_folder.9.png
index ee80c76..fae19b3 100644
--- a/res/drawable-xxhdpi/virtual_preload_folder.9.png
+++ b/res/drawable-xxhdpi/virtual_preload_folder.9.png
Binary files differ
diff --git a/res/layout/apps_customize_pane.xml b/res/layout/apps_customize_pane.xml
index 03e433a..c2d399e 100644
--- a/res/layout/apps_customize_pane.xml
+++ b/res/layout/apps_customize_pane.xml
@@ -15,7 +15,8 @@
 -->
 <com.android.launcher3.AppsCustomizeTabHost
     xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:launcher="http://schemas.android.com/apk/res-auto/com.android.launcher3">
+    xmlns:launcher="http://schemas.android.com/apk/res-auto/com.android.launcher3"
+    android:clipChildren="false">
 
     <LinearLayout
         android:id="@+id/content"
@@ -27,15 +28,20 @@
         <FrameLayout
             android:layout_width="match_parent"
             android:layout_height="0dp"
-            android:layout_weight="1">
+            android:layout_weight="1"
+            android:clipChildren="false">
             <FrameLayout
                 android:id="@+id/fake_page_container"
                 android:layout_width="match_parent"
-                android:layout_height="match_parent" >
+                android:layout_height="match_parent"
+                android:clipChildren="false"
+                android:clipToPadding="false">
                 <FrameLayout
-                android:id="@+id/fake_page"
-                android:layout_width="match_parent"
-                android:layout_height="match_parent" />
+                    android:id="@+id/fake_page"
+                    android:layout_width="match_parent"
+                    android:layout_height="match_parent"
+                    android:visibility="invisible"
+                    android:clipToPadding="false" />
             </FrameLayout>
             <com.android.launcher3.AppsCustomizePagedView
                 android:id="@+id/apps_customize_pane_content"
@@ -55,13 +61,4 @@
             android:layout_height="wrap_content"
             android:layout_gravity="center" />
     </LinearLayout>
-
-    <include
-        android:id="@+id/market_button"
-        layout="@layout/market_button"
-        android:layout_width="wrap_content"
-        android:layout_height="match_parent"
-        android:layout_gravity="end"
-        android:visibility="gone"/>
-
 </com.android.launcher3.AppsCustomizeTabHost>
diff --git a/res/values-tr/strings.xml b/res/values-tr/strings.xml
index 77ada31..d8ceb99 100644
--- a/res/values-tr/strings.xml
+++ b/res/values-tr/strings.xml
@@ -29,7 +29,7 @@
     <string name="widget_adder" msgid="3201040140710381657">"Widget\'lar"</string>
     <string name="toggle_weight_watcher" msgid="5645299835184636119">"Belleği Göster"</string>
     <string name="long_press_widget_to_add" msgid="7699152356777458215">"Widget seçmek için dokunun ve basılı tutun."</string>
-    <string name="market" msgid="2619650989819296998">"Alışveriş yap"</string>
+    <string name="market" msgid="2619650989819296998">"Mağaza"</string>
     <string name="widget_dims_format" msgid="2370757736025621599">"%1$d × %2$d"</string>
     <string name="external_drop_widget_error" msgid="3165821058322217155">"Öğe bu Ana ekrana bırakılamadı."</string>
     <string name="external_drop_widget_pick_title" msgid="3486317258037690630">"Oluşturmak için widget seçin"</string>
diff --git a/res/values-zh-rCN/strings.xml b/res/values-zh-rCN/strings.xml
index 2fc6a2f..c29cfb0 100644
--- a/res/values-zh-rCN/strings.xml
+++ b/res/values-zh-rCN/strings.xml
@@ -24,7 +24,7 @@
     <string name="uid_name" msgid="7820867637514617527">"Android 核心应用"</string>
     <string name="folder_name" msgid="7371454440695724752"></string>
     <string name="activity_not_found" msgid="8071924732094499514">"未安装该应用。"</string>
-    <string name="safemode_shortcut_error" msgid="9160126848219158407">"已下载的应用在安全模式下已被停用"</string>
+    <string name="safemode_shortcut_error" msgid="9160126848219158407">"安全模式下不允许使用下载的此应用"</string>
     <string name="widgets_tab_label" msgid="2921133187116603919">"小部件"</string>
     <string name="widget_adder" msgid="3201040140710381657">"小部件"</string>
     <string name="toggle_weight_watcher" msgid="5645299835184636119">"显示内存空间"</string>
diff --git a/res/values/config.xml b/res/values/config.xml
index 750a6aa..0da0b70 100644
--- a/res/values/config.xml
+++ b/res/values/config.xml
@@ -36,15 +36,19 @@
     <!-- Fade/zoom in/out duration & scale in the AllApps transition.
          Note: This should be less than the workspaceShrinkTime as they happen together. -->
     <integer name="config_appsCustomizeRevealTime">220</integer>
-    <integer name="config_appsCustomizeItemsAlphaStagger">60</integer>
     <integer name="config_appsCustomizeZoomInTime">350</integer>
     <integer name="config_appsCustomizeZoomOutTime">600</integer>
     <integer name="config_appsCustomizeZoomScaleFactor">7</integer>
     <integer name="config_appsCustomizeFadeInTime">250</integer>
     <integer name="config_appsCustomizeFadeOutTime">200</integer>
     <integer name="config_appsCustomizeWorkspaceShrinkTime">300</integer>
-    <integer name="config_appsCustomizeWorkspaceAnimationStagger">40</integer>
-    <integer name="config_workspaceAppsCustomizeAnimationStagger">100</integer>
+
+    <integer name="config_appsCustomizeConcealTime">250</integer>
+    <integer name="config_appsCustomizeItemsAlphaStagger">60</integer>
+
+    <!-- This constant stores the ratio of the all apps button drawable which
+         is used for internal (baked-in) padding -->
+    <integer name="config_allAppsButtonPaddingPercent">17</integer>
 
     <integer name="config_workspaceDefaultScreen">0</integer>
 
diff --git a/src/com/android/launcher3/AppsCustomizePagedView.java b/src/com/android/launcher3/AppsCustomizePagedView.java
index f78cff0..b2228f7 100644
--- a/src/com/android/launcher3/AppsCustomizePagedView.java
+++ b/src/com/android/launcher3/AppsCustomizePagedView.java
@@ -190,16 +190,6 @@
     private int mNumWidgetPages;
     private Rect mAllAppsPadding = new Rect();
 
-    // Relating to the scroll and overscroll effects
-    Workspace.ZInterpolator mZInterpolator = new Workspace.ZInterpolator(0.5f);
-    private static float CAMERA_DISTANCE = 6500;
-    private static float TRANSITION_SCALE_FACTOR = 0.74f;
-    private static float TRANSITION_PIVOT = 0.65f;
-    private static float TRANSITION_MAX_ROTATION = 22;
-    private static final boolean PERFORM_OVERSCROLL_ROTATION = false;
-    private AccelerateInterpolator mAlphaInterpolator = new AccelerateInterpolator(0.9f);
-    private DecelerateInterpolator mLeftScreenAlphaInterpolator = new DecelerateInterpolator(4);
-
     // Previews & outlines
     ArrayList<AppsCustomizeAsyncTask> mRunningTasks;
     private static final int sPageSleepDelay = 200;
@@ -214,7 +204,7 @@
     int mWidgetLoadingId = -1;
     PendingAddWidgetInfo mCreateWidgetInfo = null;
     private boolean mDraggingWidget = false;
-    boolean mPageBackgroundsVisible;
+    boolean mPageBackgroundsVisible = true;
 
     private Toast mWidgetInstructionToast;
 
@@ -259,6 +249,7 @@
         if (getImportantForAccessibility() == View.IMPORTANT_FOR_ACCESSIBILITY_AUTO) {
             setImportantForAccessibility(View.IMPORTANT_FOR_ACCESSIBILITY_YES);
         }
+        setSinglePageInViewport();
     }
 
     @Override
@@ -376,52 +367,19 @@
         mWidgetSpacingLayout.measure(widthSpec, heightSpec);
 
         final boolean hostIsTransitioning = getTabHost().isInTransition();
-
-        // Restore the page
         int page = getPageForComponent(mSaveInstanceStateItemIndex);
         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)
-        if (!hostIsTransitioning) {
-            post(new Runnable() {
-                @Override
-                public void run() {
-                    showAllAppsCling();
-                }
-            });
-        }
     }
 
-    void showAllAppsCling() {
-        if (!mHasShownAllAppsCling && isDataReady()) {
-            mHasShownAllAppsCling = true;
-            // Calculate the position for the cling punch through
-            int[] offset = new int[2];
-            int[] pos = mWidgetSpacingLayout.estimateCellPosition(mClingFocusedX, mClingFocusedY);
-            mLauncher.getDragLayer().getLocationInDragLayer(this, offset);
-            // PagedViews are centered horizontally but top aligned
-            // Note we have to shift the items up now that Launcher sits under the status bar
-            pos[0] += (getMeasuredWidth() - mWidgetSpacingLayout.getMeasuredWidth()) / 2 +
-                    offset[0];
-            pos[1] += offset[1] - mLauncher.getDragLayer().getPaddingTop();
-        }
-    }
+    protected void onLayout(boolean changed, int l, int t, int r, int b) {
+        super.onLayout(changed, l, t, r, b);
 
-    @Override
-    protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
-        int width = MeasureSpec.getSize(widthMeasureSpec);
-        int height = MeasureSpec.getSize(heightMeasureSpec);
         if (!isDataReady()) {
             if ((LauncherAppState.isDisableAllApps() || !mApps.isEmpty()) && !mWidgets.isEmpty()) {
                 setDataIsReady();
-                setMeasuredDimension(width, height);
-                onDataReady(width, height);
+                onDataReady(getMeasuredWidth(), getMeasuredHeight());
             }
         }
-
-        super.onMeasure(widthMeasureSpec, heightMeasureSpec);
     }
 
     public void onPackagesUpdated(ArrayList<Object> widgetsAndShortcuts) {
@@ -1003,8 +961,8 @@
 
         Drawable bg = getContext().getResources().getDrawable(R.drawable.quantum_panel);
         if (bg != null) {
+            bg.setAlpha(mPageBackgroundsVisible ? 255: 0);
             layout.setBackground(bg);
-            bg.setVisible(mPageBackgroundsVisible, false);
         }
 
         setVisibilityOnChildren(layout, View.VISIBLE);
@@ -1016,7 +974,7 @@
         for (int i = 0; i < childCount; ++i) {
             Drawable bg = getChildAt(i).getBackground();
             if (bg != null) {
-                bg.setVisible(visible, false);
+                bg.setAlpha(visible ? 255 : 0);
             }
         }
     }
@@ -1164,7 +1122,12 @@
         // immediately after syncing, we don't have a proper width.
         int widthSpec = MeasureSpec.makeMeasureSpec(mContentWidth, MeasureSpec.AT_MOST);
         int heightSpec = MeasureSpec.makeMeasureSpec(mContentHeight, MeasureSpec.AT_MOST);
-        layout.setBackground(getContext().getResources().getDrawable(R.drawable.quantum_panel_dark));
+
+        Drawable bg = getContext().getResources().getDrawable(R.drawable.quantum_panel_dark);
+        if (bg != null) {
+            bg.setAlpha(mPageBackgroundsVisible ? 255 : 0);
+            layout.setBackground(bg);
+        }
         layout.measure(widthSpec, heightSpec);
     }
 
@@ -1175,11 +1138,10 @@
 
         // Calculate the dimensions of each cell we are giving to each widget
         final ArrayList<Object> items = new ArrayList<Object>();
-        int contentWidth = mContentWidth - getPaddingLeft() - getPaddingRight()
-                - layout.getPaddingLeft() - layout.getPaddingRight();
+        int contentWidth = mContentWidth - layout.getPaddingLeft() - layout.getPaddingRight();
         final int cellWidth = contentWidth / mWidgetCountX;
-        int contentHeight = mContentHeight - getPaddingTop() - getPaddingBottom()
-                - layout.getPaddingTop() - layout.getPaddingBottom();
+        int contentHeight = mContentHeight - layout.getPaddingTop() - layout.getPaddingBottom();
+
         final int cellHeight = contentHeight / mWidgetCountY;
 
         // Prepare the set of widgets to load previews for in the background
@@ -1394,73 +1356,7 @@
     // In apps customize, we have a scrolling effect which emulates pulling cards off of a stack.
     @Override
     protected void screenScrolled(int screenCenter) {
-        final boolean isRtl = isLayoutRtl();
         super.screenScrolled(screenCenter);
-
-        for (int i = 0; i < getChildCount(); i++) {
-            View v = getPageAt(i);
-            if (v != null) {
-                float scrollProgress = getScrollProgress(screenCenter, v, i);
-
-                float interpolatedProgress;
-                float translationX;
-                float maxScrollProgress = Math.max(0, scrollProgress);
-                float minScrollProgress = Math.min(0, scrollProgress);
-
-                if (isRtl) {
-                    translationX = maxScrollProgress * v.getMeasuredWidth();
-                    interpolatedProgress = mZInterpolator.getInterpolation(Math.abs(maxScrollProgress));
-                } else {
-                    translationX = minScrollProgress * v.getMeasuredWidth();
-                    interpolatedProgress = mZInterpolator.getInterpolation(Math.abs(minScrollProgress));
-                }
-                float scale = (1 - interpolatedProgress) +
-                        interpolatedProgress * TRANSITION_SCALE_FACTOR;
-
-                float alpha;
-                if (isRtl && (scrollProgress > 0)) {
-                    alpha = mAlphaInterpolator.getInterpolation(1 - Math.abs(maxScrollProgress));
-                } else if (!isRtl && (scrollProgress < 0)) {
-                    alpha = mAlphaInterpolator.getInterpolation(1 - Math.abs(scrollProgress));
-                } else {
-                    //  On large screens we need to fade the page as it nears its leftmost position
-                    alpha = mLeftScreenAlphaInterpolator.getInterpolation(1 - scrollProgress);
-                }
-
-                v.setCameraDistance(mDensity * CAMERA_DISTANCE);
-                int pageWidth = v.getMeasuredWidth();
-                int pageHeight = v.getMeasuredHeight();
-
-                if (PERFORM_OVERSCROLL_ROTATION) {
-                    float xPivot = isRtl ? 1f - TRANSITION_PIVOT : TRANSITION_PIVOT;
-                    boolean isOverscrollingFirstPage = isRtl ? scrollProgress > 0 : scrollProgress < 0;
-                    boolean isOverscrollingLastPage = isRtl ? scrollProgress < 0 : scrollProgress > 0;
-
-                    if (i == 0 && isOverscrollingFirstPage) {
-                        // Overscroll to the left
-                        v.setPivotX(xPivot * pageWidth);
-                        v.setRotationY(-TRANSITION_MAX_ROTATION * scrollProgress);
-                        scale = 1.0f;
-                        alpha = 1.0f;
-                        // On the first page, we don't want the page to have any lateral motion
-                        translationX = 0;
-                    } else if (i == getChildCount() - 1 && isOverscrollingLastPage) {
-                        // Overscroll to the right
-                        v.setPivotX((1 - xPivot) * pageWidth);
-                        v.setRotationY(-TRANSITION_MAX_ROTATION * scrollProgress);
-                        scale = 1.0f;
-                        alpha = 1.0f;
-                        // On the last page, we don't want the page to have any lateral motion.
-                        translationX = 0;
-                    } else {
-                        v.setPivotY(pageHeight / 2.0f);
-                        v.setPivotX(pageWidth / 2.0f);
-                        v.setRotationY(0f);
-                    }
-                }
-            }
-        }
-
         enableHwLayersOnVisiblePages();
     }
 
@@ -1505,7 +1401,7 @@
     }
 
     protected void overScroll(float amount) {
-        acceleratedOverScroll(amount);
+        dampedOverScroll(amount);
     }
 
     /**
diff --git a/src/com/android/launcher3/AppsCustomizeTabHost.java b/src/com/android/launcher3/AppsCustomizeTabHost.java
index 629bcdb..9a516fd 100644
--- a/src/com/android/launcher3/AppsCustomizeTabHost.java
+++ b/src/com/android/launcher3/AppsCustomizeTabHost.java
@@ -174,7 +174,7 @@
             // Make sure the current page is loaded (we start loading the side pages after the
             // transition to prevent slowing down the animation)
             // TODO: revisit this
-            mPagedView.loadAssociatedPages(mPagedView.getCurrentPage(), true);
+            mPagedView.loadAssociatedPages(mPagedView.getCurrentPage());
         }
     }
 
diff --git a/src/com/android/launcher3/CellLayout.java b/src/com/android/launcher3/CellLayout.java
index 07120c5..93006b3 100644
--- a/src/com/android/launcher3/CellLayout.java
+++ b/src/com/android/launcher3/CellLayout.java
@@ -71,7 +71,6 @@
     private int mWidthGap;
     private int mHeightGap;
     private int mMaxGap;
-    private boolean mScrollingTransformsDirty = false;
     private boolean mDropPending = false;
 
     // These are temporary variables to prevent having to allocate a new object just to
@@ -388,23 +387,6 @@
         return mIsDragOverlapping;
     }
 
-    protected void setOverscrollTransformsDirty(boolean dirty) {
-        mScrollingTransformsDirty = dirty;
-    }
-
-    protected void resetOverscrollTransforms() {
-        if (mScrollingTransformsDirty) {
-            setOverscrollTransformsDirty(false);
-            setTranslationX(0);
-            setRotationY(0);
-            // It doesn't matter if we pass true or false here, the important thing is that we
-            // pass 0, which results in the overscroll drawable not being drawn any more.
-            setOverScrollAmount(0, false);
-            setPivotX(getMeasuredWidth() / 2);
-            setPivotY(getMeasuredHeight() / 2);
-        }
-    }
-
     @Override
     protected void onDraw(Canvas canvas) {
         // When we're large, we are either drawn in a "hover" state (ie when dragging an item to
diff --git a/src/com/android/launcher3/DeviceProfile.java b/src/com/android/launcher3/DeviceProfile.java
index 018fcfc..8af2a7f 100644
--- a/src/com/android/launcher3/DeviceProfile.java
+++ b/src/com/android/launcher3/DeviceProfile.java
@@ -126,6 +126,7 @@
     int searchBarSpaceHeightPx;
     int searchBarHeightPx;
     int pageIndicatorHeightPx;
+    int allAppsButtonVisualSize;
 
     float dragViewScale;
 
@@ -242,6 +243,18 @@
         // Calculate the remaining vars
         updateFromConfiguration(context, res, wPx, hPx, awPx, ahPx);
         updateAvailableDimensions(context);
+        computeAllAppsButtonSize(context);
+    }
+
+    /**
+     * Determine the exact visual footprint of the all apps button, taking into account scaling
+     * and internal padding of the drawable.
+     */
+    private void computeAllAppsButtonSize(Context context) {
+        Resources res = context.getResources();
+        float padding = res.getInteger(R.integer.config_allAppsButtonPaddingPercent) / 100f;
+        LauncherAppState app = LauncherAppState.getInstance();
+        allAppsButtonVisualSize = (int) (hotseatIconSizePx * (1 - padding));
     }
 
     void addCallback(DeviceProfileCallbacks cb) {
diff --git a/src/com/android/launcher3/FocusHelper.java b/src/com/android/launcher3/FocusHelper.java
index b1250ce..df5e0fc 100644
--- a/src/com/android/launcher3/FocusHelper.java
+++ b/src/com/android/launcher3/FocusHelper.java
@@ -57,16 +57,6 @@
     }
 }
 
-/**
- * A keyboard listener we set on the last tab button in AppsCustomize to jump to then
- * market icon and vice versa.
- */
-class AppsCustomizeTabKeyEventListener implements View.OnKeyListener {
-    public boolean onKey(View v, int keyCode, KeyEvent event) {
-        return FocusHelper.handleAppsCustomizeTabKeyEvent(v, keyCode, event);
-    }
-}
-
 public class FocusHelper {
     /**
      * Private helper to get the parent TabHost in the view hiearchy.
@@ -80,41 +70,6 @@
     }
 
     /**
-     * Handles key events in a AppsCustomize tab between the last tab view and the shop button.
-     */
-    static boolean handleAppsCustomizeTabKeyEvent(View v, int keyCode, KeyEvent e) {
-        final AppsCustomizeTabHost tabHost = findTabHostParent(v);
-        final ViewGroup contents = tabHost.getContent();
-        final View shop = tabHost.findViewById(R.id.market_button);
-
-        final int action = e.getAction();
-        final boolean handleKeyEvent = (action != KeyEvent.ACTION_UP);
-        boolean wasHandled = false;
-        switch (keyCode) {
-            case KeyEvent.KEYCODE_DPAD_RIGHT:
-                if (handleKeyEvent) {
-                    // Select the shop button if we aren't on it
-                    if (v != shop) {
-                        shop.requestFocus();
-                    }
-                }
-                wasHandled = true;
-                break;
-            case KeyEvent.KEYCODE_DPAD_DOWN:
-                if (handleKeyEvent) {
-                    // Select the content view (down is handled by the tab key handler otherwise)
-                    if (v == shop) {
-                        contents.requestFocus();
-                        wasHandled = true;
-                    }
-                }
-                break;
-            default: break;
-        }
-        return wasHandled;
-    }
-
-    /**
      * Returns the Viewgroup containing page contents for the page at the index specified.
      */
     private static ViewGroup getAppsCustomizePage(ViewGroup container, int index) {
diff --git a/src/com/android/launcher3/Launcher.java b/src/com/android/launcher3/Launcher.java
index c9d423c..090d2f7 100644
--- a/src/com/android/launcher3/Launcher.java
+++ b/src/com/android/launcher3/Launcher.java
@@ -242,6 +242,7 @@
     private static int NEW_APPS_PAGE_MOVE_DELAY = 500;
     private static int NEW_APPS_ANIMATION_INACTIVE_TIMEOUT_SECONDS = 5;
     private static int NEW_APPS_ANIMATION_DELAY = 500;
+    private static final int SINGLE_FRAME_DELAY = 16;
 
     private final BroadcastReceiver mCloseSystemDialogsReceiver
             = new CloseSystemDialogsIntentReceiver();
@@ -328,10 +329,6 @@
     // External icons saved in case of resource changes, orientation, etc.
     private static Drawable.ConstantState[] sGlobalSearchIcon = new Drawable.ConstantState[2];
     private static Drawable.ConstantState[] sVoiceSearchIcon = new Drawable.ConstantState[2];
-    private static Drawable.ConstantState[] sAppMarketIcon = new Drawable.ConstantState[2];
-
-    private Intent mAppMarketIntent = null;
-    private static final boolean DISABLE_MARKET_BUTTON = true;
 
     private Drawable mWorkspaceBackgroundDrawable;
 
@@ -457,7 +454,6 @@
                     Environment.getExternalStorageDirectory() + "/launcher");
         }
 
-
         checkForLocaleChange();
         setContentView(R.layout.launcher);
 
@@ -559,11 +555,7 @@
         boolean voiceVisible = false;
         // If we have a saved version of these external icons, we load them up immediately
         int coi = getCurrentOrientationIndexForGlobalIcons();
-        if (sGlobalSearchIcon[coi] == null || sVoiceSearchIcon[coi] == null ||
-                sAppMarketIcon[coi] == null) {
-            if (!DISABLE_MARKET_BUTTON) {
-                updateAppMarketIcon();
-            }
+        if (sGlobalSearchIcon[coi] == null || sVoiceSearchIcon[coi] == null) {
             searchVisible = updateGlobalSearchIcon();
             voiceVisible = updateVoiceSearchIcon(searchVisible);
         }
@@ -575,9 +567,6 @@
             updateVoiceSearchIcon(sVoiceSearchIcon[coi]);
             voiceVisible = true;
         }
-        if (!DISABLE_MARKET_BUTTON && sAppMarketIcon[coi] != null) {
-            updateAppMarketIcon(sAppMarketIcon[coi]);
-        }
         if (mSearchDropTargetBar != null) {
             mSearchDropTargetBar.onSearchPackagesChanged(searchVisible, voiceVisible);
         }
@@ -1757,11 +1746,6 @@
                     }
                 });
             }
-            // When Launcher comes back to foreground, a different Activity might be responsible for
-            // the app market intent, so refresh the icon
-            if (!DISABLE_MARKET_BUTTON) {
-                updateAppMarketIcon();
-            }
             clearTypedText();
         }
     }
@@ -2743,16 +2727,6 @@
         return mHapticFeedbackTouchListener;
     }
 
-    public void onClickAppMarketButton(View v) {
-        if (!DISABLE_MARKET_BUTTON) {
-            if (mAppMarketIntent != null) {
-                startActivitySafely(v, mAppMarketIntent, "app market");
-            } else {
-                Log.e(TAG, "Invalid app market intent.");
-            }
-        }
-    }
-
     public void onDragStarted(View view) {}
 
     /**
@@ -3227,8 +3201,6 @@
         final float scale = (float) res.getInteger(R.integer.config_appsCustomizeZoomScaleFactor);
         final View fromView = mWorkspace;
         final AppsCustomizeTabHost toView = mAppsCustomizeTabHost;
-        final int startDelay =
-                res.getInteger(R.integer.config_workspaceAppsCustomizeAnimationStagger);
 
         Workspace.State workspaceState = contentType == AppsCustomizePagedView.ContentType.Widgets ?
                 Workspace.State.OVERVIEW_HIDDEN : Workspace.State.NORMAL_HIDDEN;
@@ -3249,7 +3221,10 @@
             final View page = content.getPageAt(content.getCurrentPage());
             final View revealView = toView.findViewById(R.id.fake_page);
 
-            if (contentType == AppsCustomizePagedView.ContentType.Widgets) {
+            final float initialPanelAlpha = 1f;
+
+            final boolean isWidgetTray = contentType == AppsCustomizePagedView.ContentType.Widgets;
+            if (isWidgetTray) {
                 revealView.setBackground(res.getDrawable(R.drawable.quantum_panel_dark));
             } else {
                 revealView.setBackground(res.getDrawable(R.drawable.quantum_panel));
@@ -3263,15 +3238,21 @@
             int height = revealView.getMeasuredHeight();
 
             float revealRadius = (float) Math.sqrt((width * width) / 4 + (height * height) / 4);
-            float yDrift = height / 2f;
+            revealView.setTranslationY(0);
 
+            // Get the y delta between the center of the page and the center of the all apps button
+            int[] allAppsToPanelDelta = Utilities.getCenterDeltaInScreenSpace(revealView,
+                    getAllAppsButton(), null);
+            float yDrift = isWidgetTray ? height / 2 : allAppsToPanelDelta[1];
+
+            float initAlpha = isWidgetTray ? 0.3f : 1f;
             revealView.setLayerType(View.LAYER_TYPE_HARDWARE, null);
-            PropertyValuesHolder panelAlpha = PropertyValuesHolder.ofFloat("alpha", 0.4f, 1f);
+            PropertyValuesHolder panelAlpha = PropertyValuesHolder.ofFloat("alpha", initAlpha, 1f);
             PropertyValuesHolder panelDrift =
-                    PropertyValuesHolder.ofFloat("translationY", yDrift, 0f);
+                    PropertyValuesHolder.ofFloat("translationY", yDrift, 0);
 
             ObjectAnimator panelAlphaAndDrift =
-                    ObjectAnimator.ofPropertyValuesHolder(revealView, panelAlpha, panelDrift);
+                    LauncherAnimUtils.ofPropertyValuesHolder(revealView, panelAlpha, panelDrift);
             panelAlphaAndDrift.setDuration(revealDuration);
             panelAlphaAndDrift.setInterpolator(new LogDecelerateInterpolator(100, 0));
 
@@ -3281,15 +3262,14 @@
                 page.setVisibility(View.VISIBLE);
                 page.setLayerType(View.LAYER_TYPE_HARDWARE, null);
 
-                ObjectAnimator pageDrift = ObjectAnimator.ofFloat(page, "translationY", yDrift, 0);
+                ObjectAnimator pageDrift = LauncherAnimUtils.ofFloat(page, "translationY", yDrift, 0);
                 pageDrift.setDuration(revealDuration);
                 pageDrift.setInterpolator(new LogDecelerateInterpolator(100, 0));
+                pageDrift.setStartDelay(itemsAlphaStagger);
                 mStateAnimation.play(pageDrift);
 
-                // TODO (adamcohen): remove this 0.01f hack once fw is fixed
-                // it's there to work around a framework bug (16918357)
-                page.setAlpha(0.01f);
-                ObjectAnimator itemsAlpha = ObjectAnimator.ofFloat(page, "alpha", 0.01f, 1f);
+                page.setAlpha(0f);
+                ObjectAnimator itemsAlpha = LauncherAnimUtils.ofFloat(page, "alpha", 0f, 1f);
                 itemsAlpha.setDuration(revealDuration);
                 itemsAlpha.setInterpolator(new AccelerateInterpolator(1.5f));
                 itemsAlpha.setStartDelay(itemsAlphaStagger);
@@ -3299,16 +3279,34 @@
             View pageIndicators = toView.findViewById(R.id.apps_customize_page_indicator);
             pageIndicators.setAlpha(0.01f);
             ObjectAnimator indicatorsAlpha =
-                    ObjectAnimator.ofFloat(pageIndicators, "alpha", 1f);
+                    LauncherAnimUtils.ofFloat(pageIndicators, "alpha", 1f);
             indicatorsAlpha.setDuration(revealDuration);
             mStateAnimation.play(indicatorsAlpha);
 
             if (material) {
+                final View allApps = getAllAppsButton();
+                int allAppsButtonSize = LauncherAppState.getInstance().
+                        getDynamicGrid().getDeviceProfile().allAppsButtonVisualSize;
+                float startRadius = isWidgetTray ? 0 : allAppsButtonSize / 2;
                 ValueAnimator reveal = (ValueAnimator)
-                        ViewAnimationUtils.createCircularReveal(revealView, width / 2,
-                                height / 2, 0f, revealRadius);
+                        LauncherAnimUtils.createCircularReveal(revealView, width / 2,
+                                height / 2, startRadius, revealRadius);
                 reveal.setDuration(revealDuration);
                 reveal.setInterpolator(new LogDecelerateInterpolator(100, 0));
+
+                reveal.addListener(new AnimatorListenerAdapter() {
+                    public void onAnimationStart(Animator animation) {
+                        if (!isWidgetTray) {
+                            allApps.setVisibility(View.INVISIBLE);
+                        }
+                    }
+                    public void onAnimationEnd(Animator animation) {
+                        if (!isWidgetTray) {
+                            allApps.setVisibility(View.VISIBLE);
+                        }
+                    }
+                });
+
                 mStateAnimation.play(reveal);
             }
 
@@ -3417,12 +3415,11 @@
         }
 
         boolean material = Utilities.isLmp();
-
         Resources res = getResources();
 
         final int duration = res.getInteger(R.integer.config_appsCustomizeZoomOutTime);
         final int fadeOutDuration = res.getInteger(R.integer.config_appsCustomizeFadeOutTime);
-        final int revealDuration = res.getInteger(R.integer.config_appsCustomizeRevealTime);
+        final int revealDuration = res.getInteger(R.integer.config_appsCustomizeConcealTime);
         final int itemsAlphaStagger =
                 res.getInteger(R.integer.config_appsCustomizeItemsAlphaStagger);
 
@@ -3432,9 +3429,8 @@
         final View toView = mWorkspace;
         Animator workspaceAnim = null;
         if (toState == Workspace.State.NORMAL) {
-            int stagger = res.getInteger(R.integer.config_appsCustomizeWorkspaceAnimationStagger);
             workspaceAnim = mWorkspace.getChangeStateAnimation(
-                    toState, animated, stagger, -1);
+                    toState, animated);
         } else if (toState == Workspace.State.SPRING_LOADED ||
                 toState == Workspace.State.OVERVIEW) {
             workspaceAnim = mWorkspace.getChangeStateAnimation(
@@ -3452,7 +3448,9 @@
             final View revealView = fromView.findViewById(R.id.fake_page);
 
             AppsCustomizePagedView.ContentType contentType = content.getContentType();
-            if (contentType == AppsCustomizePagedView.ContentType.Widgets) {
+            final boolean isWidgetTray = contentType == AppsCustomizePagedView.ContentType.Widgets;
+
+            if (isWidgetTray) {
                 revealView.setBackground(res.getDrawable(R.drawable.quantum_panel_dark));
             } else {
                 revealView.setBackground(res.getDrawable(R.drawable.quantum_panel));
@@ -3466,34 +3464,43 @@
             revealView.setVisibility(View.VISIBLE);
             content.setPageBackgroundsVisible(false);
 
-            float yDrift = height / 2f;
+            final View allAppsButton = getAllAppsButton();
+            revealView.setTranslationY(0);
+            int[] allAppsToPanelDelta = Utilities.getCenterDeltaInScreenSpace(revealView,
+                    allAppsButton, null);
+            float yDrift = isWidgetTray ? height / 2 : allAppsToPanelDelta[1];
 
             revealView.setLayerType(View.LAYER_TYPE_HARDWARE, null);
 
-            PropertyValuesHolder panelAlpha = PropertyValuesHolder.ofFloat(View.ALPHA, 1f, 0f);
-            PropertyValuesHolder panelDrift =
-                    PropertyValuesHolder.ofFloat("translationY", 0, yDrift);
-            ObjectAnimator panelAlphaAndDrift =
-                    ObjectAnimator.ofPropertyValuesHolder(revealView, panelAlpha, panelDrift);
-            panelAlphaAndDrift.setDuration(revealDuration);
+            // The vertical motion of the apps panel should be delayed by one frame
+            // from the conceal animation in order to give the right feel. We correpsondingly
+            // shorten the duration so that the slide and conceal end at the same time.
+            ObjectAnimator panelDrift = LauncherAnimUtils.ofFloat(revealView, "translationY", 0, yDrift);
+            panelDrift.setDuration(revealDuration - SINGLE_FRAME_DELAY);
+            panelDrift.setStartDelay(itemsAlphaStagger + SINGLE_FRAME_DELAY);
+            panelDrift.setInterpolator(new LogDecelerateInterpolator(100, 0));
+            mStateAnimation.play(panelDrift);
 
-            panelAlphaAndDrift.setInterpolator(new LogDecelerateInterpolator(100, 0));
-            panelAlphaAndDrift.setStartDelay(itemsAlphaStagger);
-
-            mStateAnimation.play(panelAlphaAndDrift);
+            if (isWidgetTray) {
+                ObjectAnimator panelAlpha = LauncherAnimUtils.ofFloat(revealView, "alpha", 1f, 0.4f);
+                panelAlpha.setDuration(revealDuration);
+                panelAlpha.setInterpolator(new LogDecelerateInterpolator(100, 0));
+                mStateAnimation.play(panelAlpha);
+            }
 
             if (page != null) {
                 page.setLayerType(View.LAYER_TYPE_HARDWARE, null);
 
-                ObjectAnimator pageDrift = ObjectAnimator.ofFloat(page, "translationY", 0, yDrift);
-                pageDrift.setDuration(revealDuration);
+                ObjectAnimator pageDrift = LauncherAnimUtils.ofFloat(page, "translationY",
+                        0, yDrift);
+                pageDrift.setDuration(revealDuration - SINGLE_FRAME_DELAY);
                 pageDrift.setInterpolator(new LogDecelerateInterpolator(100, 0));
-                pageDrift.setStartDelay(itemsAlphaStagger);
+                pageDrift.setStartDelay(itemsAlphaStagger + SINGLE_FRAME_DELAY);
                 mStateAnimation.play(pageDrift);
 
                 page.setAlpha(1f);
-                ObjectAnimator itemsAlpha = ObjectAnimator.ofFloat(page, View.ALPHA, 1f, 0f);
-                itemsAlpha.setDuration(revealDuration);
+                ObjectAnimator itemsAlpha = LauncherAnimUtils.ofFloat(page, "alpha", 1f, 0f);
+                itemsAlpha.setDuration(100);
                 itemsAlpha.setInterpolator(new LogDecelerateInterpolator(100, 0));
                 mStateAnimation.play(itemsAlpha);
             }
@@ -3501,7 +3508,7 @@
             View pageIndicators = fromView.findViewById(R.id.apps_customize_page_indicator);
             pageIndicators.setAlpha(1f);
             ObjectAnimator indicatorsAlpha =
-                    ObjectAnimator.ofFloat(pageIndicators, "alpha", 0f);
+                    LauncherAnimUtils.ofFloat(pageIndicators, "alpha", 0f);
             indicatorsAlpha.setDuration(revealDuration);
             indicatorsAlpha.setInterpolator(new DecelerateInterpolator(1.5f));
             mStateAnimation.play(indicatorsAlpha);
@@ -3509,9 +3516,15 @@
             width = revealView.getMeasuredWidth();
 
             if (material) {
+                if (!isWidgetTray) {
+                    allAppsButton.setVisibility(View.INVISIBLE);
+                }
+                int allAppsButtonSize = LauncherAppState.getInstance().
+                        getDynamicGrid().getDeviceProfile().allAppsButtonVisualSize;
+                float finalRadius = isWidgetTray ? 0 : allAppsButtonSize / 2;
                 Animator reveal =
-                        ViewAnimationUtils.createCircularReveal(revealView, width / 2,
-                                height / 2 + 100, revealRadius, 0f);
+                        LauncherAnimUtils.createCircularReveal(revealView, width / 2,
+                                height / 2, revealRadius, finalRadius);
                 reveal.setInterpolator(new LogDecelerateInterpolator(100, 0));
                 reveal.setDuration(revealDuration);
                 reveal.setStartDelay(itemsAlphaStagger);
@@ -3519,6 +3532,9 @@
                 reveal.addListener(new AnimatorListenerAdapter() {
                     public void onAnimationEnd(Animator animation) {
                         revealView.setVisibility(View.INVISIBLE);
+                        if (!isWidgetTray) {
+                            allAppsButton.setVisibility(View.VISIBLE);
+                        }
                     }
                 });
 
@@ -3970,44 +3986,6 @@
     public void disableVoiceButtonProxy(boolean disabled) {
         updateVoiceButtonProxyVisible(disabled);
     }
-    /**
-     * Sets the app market icon
-     */
-    private void updateAppMarketIcon() {
-        if (!DISABLE_MARKET_BUTTON) {
-            final View marketButton = findViewById(R.id.market_button);
-            Intent intent = new Intent(Intent.ACTION_MAIN).addCategory(Intent.CATEGORY_APP_MARKET);
-            // Find the app market activity by resolving an intent.
-            // (If multiple app markets are installed, it will return the ResolverActivity.)
-            ComponentName activityName = intent.resolveActivity(getPackageManager());
-            if (activityName != null) {
-                int coi = getCurrentOrientationIndexForGlobalIcons();
-                mAppMarketIntent = intent;
-                sAppMarketIcon[coi] = updateTextButtonWithIconFromExternalActivity(
-                        R.id.market_button, activityName, R.drawable.ic_launcher_market_holo,
-                        TOOLBAR_ICON_METADATA_NAME);
-                marketButton.setVisibility(View.VISIBLE);
-            } else {
-                // We should hide and disable the view so that we don't try and restore the visibility
-                // of it when we swap between drag & normal states from IconDropTarget subclasses.
-                marketButton.setVisibility(View.GONE);
-                marketButton.setEnabled(false);
-            }
-        }
-    }
-
-    private void updateAppMarketIcon(Drawable.ConstantState d) {
-        if (!DISABLE_MARKET_BUTTON) {
-            // Ensure that the new drawable we are creating has the approprate toolbar icon bounds
-            Resources r = getResources();
-            Drawable marketIconDrawable = d.newDrawable(r);
-            int w = r.getDimensionPixelSize(R.dimen.toolbar_external_icon_width);
-            int h = r.getDimensionPixelSize(R.dimen.toolbar_external_icon_height);
-            marketIconDrawable.setBounds(0, 0, w, h);
-
-            updateTextButtonWithDrawable(R.id.market_button, marketIconDrawable);
-        }
-    }
 
     @Override
     public boolean dispatchPopulateAccessibilityEvent(AccessibilityEvent event) {
@@ -4515,12 +4493,6 @@
 
         mWorkspace.restoreInstanceStateForRemainingPages();
 
-        // Update the market app icon as necessary (the other icons will be managed in response to
-        // package changes in bindSearchablesChanged()
-        if (!DISABLE_MARKET_BUTTON) {
-            updateAppMarketIcon();
-        }
-
         setWorkspaceLoading(false);
         sendLoadingCompleteBroadcastIfNecessary();
 
diff --git a/src/com/android/launcher3/LauncherAnimUtils.java b/src/com/android/launcher3/LauncherAnimUtils.java
index e6c220b..be295f8 100644
--- a/src/com/android/launcher3/LauncherAnimUtils.java
+++ b/src/com/android/launcher3/LauncherAnimUtils.java
@@ -22,6 +22,7 @@
 import android.animation.PropertyValuesHolder;
 import android.animation.ValueAnimator;
 import android.view.View;
+import android.view.ViewAnimationUtils;
 import android.view.ViewTreeObserver;
 
 import java.util.HashSet;
@@ -126,4 +127,14 @@
         new FirstFrameAnimatorHelper(anim, view);
         return anim;
     }
+
+    public static Animator createCircularReveal(View view, int centerX,
+            int centerY, float startRadius, float endRadius) {
+        Animator anim = ViewAnimationUtils.createCircularReveal(view, centerX,
+                centerY, startRadius, endRadius);
+        if (anim instanceof ValueAnimator) {
+            new FirstFrameAnimatorHelper((ValueAnimator) anim, view);
+        }
+        return anim;
+    }
 }
diff --git a/src/com/android/launcher3/PagedView.java b/src/com/android/launcher3/PagedView.java
index 90a6b15..54aa24e 100644
--- a/src/com/android/launcher3/PagedView.java
+++ b/src/com/android/launcher3/PagedView.java
@@ -74,11 +74,12 @@
     private static final int MIN_LENGTH_FOR_FLING = 25;
 
     protected static final int PAGE_SNAP_ANIMATION_DURATION = 750;
+    protected static final int OVER_SCROLL_PAGE_SNAP_ANIMATION_DURATION = 350;
     protected static final int SLOW_PAGE_SNAP_ANIMATION_DURATION = 950;
     protected static final float NANOTIME_DIV = 1000000000.0f;
 
     private static final float OVERSCROLL_ACCELERATE_FACTOR = 2;
-    private static final float OVERSCROLL_DAMP_FACTOR = 0.14f;
+    private static final float OVERSCROLL_DAMP_FACTOR = 0.07f;
 
     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.
@@ -166,6 +167,7 @@
     protected int mUnboundedScrollX;
     protected int[] mTempVisiblePagesRange = new int[2];
     protected boolean mForceDrawAllChildrenNextFrame;
+    private boolean mSpacePagesAutomatically = false;
 
     // mOverScrollX is equal to getScrollX() when we're within the normal scroll range. Otherwise
     // it is equal to the scaled overscroll position. We use a separate value so as to prevent
@@ -844,6 +846,7 @@
         final int verticalPadding = getPaddingTop() + getPaddingBottom();
         final int horizontalPadding = getPaddingLeft() + getPaddingRight();
 
+        int referenceChildWidth = 0;
         // The children are given the same width and height as the workspace
         // unless they were set to WRAP_CONTENT
         if (DEBUG) Log.d(TAG, "PagedView.onMeasure(): " + widthSize + ", " + heightSize);
@@ -888,6 +891,9 @@
                     childWidth = getViewportWidth() - mInsets.left - mInsets.right;
                     childHeight = getViewportHeight();
                 }
+                if (referenceChildWidth == 0) {
+                    referenceChildWidth = childWidth;
+                }
 
                 final int childWidthMeasureSpec =
                         MeasureSpec.makeMeasureSpec(childWidth, childWidthMode);
@@ -896,9 +902,24 @@
                 child.measure(childWidthMeasureSpec, childHeightMeasureSpec);
             }
         }
+        if (mSpacePagesAutomatically) {
+            int spacing = (getViewportWidth() - mInsets.left - mInsets.right
+                    - referenceChildWidth) / 2;
+            if (spacing >= 0) {
+                setPageSpacing(spacing);
+            }
+            mSpacePagesAutomatically = false;
+        }
         setMeasuredDimension(scaledWidthSize, scaledHeightSize);
     }
 
+    /**
+     * This method should be called once before first layout / measure pass.
+     */
+    protected void setSinglePageInViewport() {
+        mSpacePagesAutomatically = true;
+    }
+
     @Override
     protected void onLayout(boolean changed, int left, int top, int right, int bottom) {
         if (!mIsDataReady || getChildCount() == 0) {
@@ -1159,7 +1180,7 @@
     }
 
     protected boolean shouldDrawChild(View child) {
-        return child.getAlpha() > 0 && child.getVisibility() == VISIBLE;
+        return child.getVisibility() == VISIBLE;
     }
 
     @Override
@@ -1581,29 +1602,20 @@
         return f * f * f + 1.0f;
     }
 
-    protected void acceleratedOverScroll(float amount) {
+    protected float acceleratedOverFactor(float amount) {
         int screenSize = getViewportWidth();
 
         // We want to reach the max over scroll effect when the user has
         // over scrolled half the size of the screen
         float f = OVERSCROLL_ACCELERATE_FACTOR * (amount / screenSize);
 
-        if (f == 0) return;
+        if (f == 0) return 0;
 
         // Clamp this factor, f, to -1 < f < 1
         if (Math.abs(f) >= 1) {
             f /= Math.abs(f);
         }
-
-        int overScrollAmount = (int) Math.round(f * screenSize);
-        if (amount < 0) {
-            mOverScrollX = overScrollAmount;
-            super.scrollTo(0, getScrollY());
-        } else {
-            mOverScrollX = mMaxScrollX + overScrollAmount;
-            super.scrollTo(mMaxScrollX, getScrollY());
-        }
-        invalidate();
+        return f;
     }
 
     protected void dampedOverScroll(float amount) {
@@ -1622,10 +1634,10 @@
         int overScrollAmount = (int) Math.round(OVERSCROLL_DAMP_FACTOR * f * screenSize);
         if (amount < 0) {
             mOverScrollX = overScrollAmount;
-            super.scrollTo(0, getScrollY());
+            super.scrollTo(mOverScrollX, getScrollY());
         } else {
             mOverScrollX = mMaxScrollX + overScrollAmount;
-            super.scrollTo(mMaxScrollX, getScrollY());
+            super.scrollTo(mOverScrollX, getScrollY());
         }
         invalidate();
     }
@@ -2125,8 +2137,20 @@
         return minDistanceFromScreenCenterIndex;
     }
 
+    protected boolean isInOverScroll() {
+        return (mOverScrollX > mMaxScrollX || mOverScrollX < 0);
+    }
+
+    protected int getPageSnapDuration() {
+        if (isInOverScroll()) {
+            return OVER_SCROLL_PAGE_SNAP_ANIMATION_DURATION;
+        }
+        return PAGE_SNAP_ANIMATION_DURATION;
+
+    }
+
     protected void snapToDestination() {
-        snapToPage(getPageNearestToCenterOfScreen(), PAGE_SNAP_ANIMATION_DURATION);
+        snapToPage(getPageNearestToCenterOfScreen(), getPageSnapDuration());
     }
 
     private static class ScrollInterpolator implements Interpolator {
@@ -2157,10 +2181,10 @@
         int delta = newX - mUnboundedScrollX;
         int duration = 0;
 
-        if (Math.abs(velocity) < mMinFlingVelocity) {
+        if (Math.abs(velocity) < mMinFlingVelocity || isInOverScroll()) {
             // If the velocity is low enough, then treat this more as an automatic page advance
             // as opposed to an apparent physical response to flinging
-            snapToPage(whichPage, PAGE_SNAP_ANIMATION_DURATION);
+            snapToPage(whichPage, getPageSnapDuration());
             return;
         }
 
@@ -2184,11 +2208,11 @@
     }
 
     protected void snapToPage(int whichPage) {
-        snapToPage(whichPage, PAGE_SNAP_ANIMATION_DURATION);
+        snapToPage(whichPage, getPageSnapDuration());
     }
 
     protected void snapToPageImmediately(int whichPage) {
-        snapToPage(whichPage, PAGE_SNAP_ANIMATION_DURATION, true, null);
+        snapToPage(whichPage, getPageSnapDuration(), true, null);
     }
 
     protected void snapToPage(int whichPage, int duration) {
diff --git a/src/com/android/launcher3/Utilities.java b/src/com/android/launcher3/Utilities.java
index 60185c6..f70fc4d 100644
--- a/src/com/android/launcher3/Utilities.java
+++ b/src/com/android/launcher3/Utilities.java
@@ -67,6 +67,8 @@
     static int sColors[] = { 0xffff0000, 0xff00ff00, 0xff0000ff };
     static int sColorIndex = 0;
 
+    static int[] sLoc0 = new int[2];
+    static int[] sLoc1 = new int[2];
 
     // To turn on these properties, type
     // adb shell setprop log.tag.PROPERTY_NAME [VERBOSE | SUPPRESS]
@@ -346,6 +348,25 @@
         }
     }
 
+    public static int[] getCenterDeltaInScreenSpace(View v0, View v1, int[] delta) {
+        v0.getLocationInWindow(sLoc0);
+        v1.getLocationInWindow(sLoc1);
+
+        sLoc0[0] += (v0.getMeasuredWidth() * v0.getScaleX()) / 2;
+        sLoc0[1] += (v0.getMeasuredHeight() * v0.getScaleY()) / 2;
+        sLoc1[0] += (v1.getMeasuredWidth() * v1.getScaleX()) / 2;
+        sLoc1[1] += (v1.getMeasuredHeight() * v1.getScaleY()) / 2;
+
+        if (delta == null) {
+            delta = new int[2];
+        }
+
+        delta[0] = sLoc1[0] - sLoc0[0];
+        delta[1] = sLoc1[1] - sLoc0[1];
+
+        return delta;
+    }
+
     public static void scaleRectAboutCenter(Rect r, float scale) {
         int cx = r.centerX();
         int cy = r.centerY();
diff --git a/src/com/android/launcher3/Workspace.java b/src/com/android/launcher3/Workspace.java
index 8b3a514..53a3f94 100644
--- a/src/com/android/launcher3/Workspace.java
+++ b/src/com/android/launcher3/Workspace.java
@@ -215,7 +215,7 @@
     private final Rect mTempRect = new Rect();
     private final int[] mTempXY = new int[2];
     private int[] mTempVisiblePagesRange = new int[2];
-    private boolean mOverscrollTransformsSet;
+    private boolean mOverscrollEffectSet;
     public static final int DRAG_BITMAP_PADDING = 2;
     private boolean mWorkspaceFadeInAdjacentScreens;
 
@@ -281,6 +281,8 @@
     private int mLastChildCount = -1;
     private float mTransitionProgress;
 
+    float mOverScrollEffect = 0f;
+
     private Runnable mDeferredAction;
     private boolean mDeferDropAfterUninstall;
     private boolean mUninstallSuccessful;
@@ -1683,14 +1685,11 @@
         updateStateForCustomContent(screenCenter);
         enableHwLayersOnVisiblePages();
 
-        boolean shouldOverScroll = (mOverScrollX < 0 && (!hasCustomContent() || isLayoutRtl())) ||
-                (mOverScrollX > mMaxScrollX && (!hasCustomContent() || !isLayoutRtl()));
+        boolean shouldOverScroll = (mOverScrollEffect < 0 && (!hasCustomContent() || isLayoutRtl())) ||
+                (mOverScrollEffect > 0 && (!hasCustomContent() || !isLayoutRtl()));
 
         if (shouldOverScroll) {
             int index = 0;
-            float pivotX = 0f;
-            final float leftBiasedPivot = 0.25f;
-            final float rightBiasedPivot = 0.75f;
             final int lowerIndex = 0;
             final int upperIndex = getChildCount() - 1;
 
@@ -1698,25 +1697,27 @@
             index = (!isRtl && isLeftPage) || (isRtl && !isLeftPage) ? lowerIndex : upperIndex;
 
             CellLayout cl = (CellLayout) getChildAt(index);
-            float scrollProgress = getScrollProgress(screenCenter, cl, index);
-            cl.setOverScrollAmount(Math.abs(scrollProgress), isLeftPage);
+            float effect = Math.abs(mOverScrollEffect);
+            cl.setOverScrollAmount(Math.abs(effect), isLeftPage);
 
-            if (!mOverscrollTransformsSet) {
-                mOverscrollTransformsSet = true;
-                cl.setOverscrollTransformsDirty(true);
-            }
+            mOverscrollEffectSet = true;
         } else {
-            if (mOverscrollTransformsSet && getChildCount() > 0) {
-                mOverscrollTransformsSet = false;
-                ((CellLayout) getChildAt(0)).resetOverscrollTransforms();
-                ((CellLayout) getChildAt(getChildCount() - 1)).resetOverscrollTransforms();
+            if (mOverscrollEffectSet && getChildCount() > 0) {
+                mOverscrollEffectSet = false;
+                ((CellLayout) getChildAt(0)).setOverScrollAmount(0, false);
+                ((CellLayout) getChildAt(getChildCount() - 1)).setOverScrollAmount(0, false);
             }
         }
     }
 
+    private void computeOverScrollEffect(float amount) {
+        mOverScrollEffect = acceleratedOverFactor(amount);
+    }
+
     @Override
     protected void overScroll(float amount) {
-        acceleratedOverScroll(amount);
+        computeOverScrollEffect(amount);
+        dampedOverScroll(amount);
     }
 
     protected void onAttachedToWindow() {
@@ -2241,9 +2242,6 @@
             } else if (stateIsOverview || stateIsOverviewHidden) {
                 mNewScale = mOverviewModeShrinkFactor;
             }
-            if (workspaceToAllApps) {
-                updateChildrenLayersEnabled(false);
-            }
         }
 
         final int duration;