diff --git a/src/com/android/launcher3/AppsCustomizePagedView.java b/src/com/android/launcher3/AppsCustomizePagedView.java
index d9ca157..688ff82 100644
--- a/src/com/android/launcher3/AppsCustomizePagedView.java
+++ b/src/com/android/launcher3/AppsCustomizePagedView.java
@@ -916,6 +916,13 @@
     }
 
     @Override
+    public float getIntrinsicIconScaleFactor() {
+        LauncherAppState app = LauncherAppState.getInstance();
+        DeviceProfile grid = app.getDynamicGrid().getDeviceProfile();
+        return (float) grid.allAppsIconSizePx / grid.iconSizePx;
+    }
+
+    @Override
     protected void onDetachedFromWindow() {
         super.onDetachedFromWindow();
         cancelAllTasks();
diff --git a/src/com/android/launcher3/DeviceProfile.java b/src/com/android/launcher3/DeviceProfile.java
new file mode 100644
index 0000000..626ec42
--- /dev/null
+++ b/src/com/android/launcher3/DeviceProfile.java
@@ -0,0 +1,717 @@
+/*
+ * Copyright (C) 2008 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.launcher3;
+
+import android.appwidget.AppWidgetHostView;
+import android.content.ComponentName;
+import android.content.Context;
+import android.content.res.Configuration;
+import android.content.res.Resources;
+import android.graphics.Paint;
+import android.graphics.Paint.FontMetrics;
+import android.graphics.Point;
+import android.graphics.PointF;
+import android.graphics.Rect;
+import android.util.DisplayMetrics;
+import android.view.Display;
+import android.view.Gravity;
+import android.view.Surface;
+import android.view.View;
+import android.view.ViewGroup.LayoutParams;
+import android.view.WindowManager;
+import android.widget.FrameLayout;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.Comparator;
+
+
+class DeviceProfileQuery {
+    float widthDps;
+    float heightDps;
+    float value;
+    PointF dimens;
+
+    DeviceProfileQuery(float w, float h, float v) {
+        widthDps = w;
+        heightDps = h;
+        value = v;
+        dimens = new PointF(w, h);
+    }
+}
+
+public class DeviceProfile {
+    public static interface DeviceProfileCallbacks {
+        public void onAvailableSizeChanged(DeviceProfile grid);
+    }
+
+    String name;
+    float minWidthDps;
+    float minHeightDps;
+    float numRows;
+    float numColumns;
+    float numHotseatIcons;
+    private float iconSize;
+    private float iconTextSize;
+    private int iconDrawablePaddingOriginalPx;
+    private float hotseatIconSize;
+
+    boolean isLandscape;
+    boolean isTablet;
+    boolean isLargeTablet;
+    boolean transposeLayoutWithOrientation;
+
+    int desiredWorkspaceLeftRightMarginPx;
+    int edgeMarginPx;
+    Rect defaultWidgetPadding;
+
+    int widthPx;
+    int heightPx;
+    int availableWidthPx;
+    int availableHeightPx;
+    int defaultPageSpacingPx;
+
+    int overviewModeMinIconZoneHeightPx;
+    int overviewModeMaxIconZoneHeightPx;
+    int overviewModeMaxBarWidthPx;
+    float overviewModeIconZoneRatio;
+    float overviewModeScaleFactor;
+
+    int iconSizePx;
+    int iconTextSizePx;
+    int iconDrawablePaddingPx;
+    int cellWidthPx;
+    int cellHeightPx;
+    int allAppsIconSizePx;
+    int allAppsIconTextSizePx;
+    int allAppsCellWidthPx;
+    int allAppsCellHeightPx;
+    int allAppsCellPaddingPx;
+    int folderBackgroundOffset;
+    int folderIconSizePx;
+    int folderCellWidthPx;
+    int folderCellHeightPx;
+    int hotseatCellWidthPx;
+    int hotseatCellHeightPx;
+    int hotseatIconSizePx;
+    int hotseatBarHeightPx;
+    int hotseatAllAppsRank;
+    int allAppsNumRows;
+    int allAppsNumCols;
+    int searchBarSpaceWidthPx;
+    int searchBarSpaceMaxWidthPx;
+    int searchBarSpaceHeightPx;
+    int searchBarHeightPx;
+    int pageIndicatorHeightPx;
+
+    private ArrayList<DeviceProfileCallbacks> mCallbacks = new ArrayList<DeviceProfileCallbacks>();
+
+    DeviceProfile(String n, float w, float h, float r, float c,
+                  float is, float its, float hs, float his) {
+        // Ensure that we have an odd number of hotseat items (since we need to place all apps)
+        if (!AppsCustomizePagedView.DISABLE_ALL_APPS && hs % 2 == 0) {
+            throw new RuntimeException("All Device Profiles must have an odd number of hotseat spaces");
+        }
+
+        name = n;
+        minWidthDps = w;
+        minHeightDps = h;
+        numRows = r;
+        numColumns = c;
+        iconSize = is;
+        iconTextSize = its;
+        numHotseatIcons = hs;
+        hotseatIconSize = his;
+    }
+
+    DeviceProfile(Context context,
+                  ArrayList<DeviceProfile> profiles,
+                  float minWidth, float minHeight,
+                  int wPx, int hPx,
+                  int awPx, int ahPx,
+                  Resources res) {
+        DisplayMetrics dm = res.getDisplayMetrics();
+        ArrayList<DeviceProfileQuery> points =
+                new ArrayList<DeviceProfileQuery>();
+        transposeLayoutWithOrientation =
+                res.getBoolean(R.bool.hotseat_transpose_layout_with_orientation);
+        minWidthDps = minWidth;
+        minHeightDps = minHeight;
+
+        ComponentName cn = new ComponentName(context.getPackageName(),
+                this.getClass().getName());
+        defaultWidgetPadding = AppWidgetHostView.getDefaultPaddingForWidget(context, cn, null);
+        edgeMarginPx = res.getDimensionPixelSize(R.dimen.dynamic_grid_edge_margin);
+        desiredWorkspaceLeftRightMarginPx = 2 * edgeMarginPx;
+        pageIndicatorHeightPx =
+                res.getDimensionPixelSize(R.dimen.dynamic_grid_page_indicator_height);
+        defaultPageSpacingPx =
+                res.getDimensionPixelSize(R.dimen.dynamic_grid_workspace_page_spacing);
+        allAppsCellPaddingPx =
+                res.getDimensionPixelSize(R.dimen.dynamic_grid_all_apps_cell_padding);
+        overviewModeMinIconZoneHeightPx =
+                res.getDimensionPixelSize(R.dimen.dynamic_grid_overview_min_icon_zone_height);
+        overviewModeMaxIconZoneHeightPx =
+                res.getDimensionPixelSize(R.dimen.dynamic_grid_overview_max_icon_zone_height);
+        overviewModeMaxBarWidthPx =
+                res.getDimensionPixelSize(R.dimen.dynamic_grid_overview_bar_max_width);
+        overviewModeIconZoneRatio =
+                res.getInteger(R.integer.config_dynamic_grid_overview_icon_zone_percentage) / 100f;
+        overviewModeScaleFactor =
+                res.getInteger(R.integer.config_dynamic_grid_overview_scale_percentage) / 100f;
+
+        // Interpolate the rows
+        for (DeviceProfile p : profiles) {
+            points.add(new DeviceProfileQuery(p.minWidthDps, p.minHeightDps, p.numRows));
+        }
+        numRows = Math.round(invDistWeightedInterpolate(minWidth, minHeight, points));
+        // Interpolate the columns
+        points.clear();
+        for (DeviceProfile p : profiles) {
+            points.add(new DeviceProfileQuery(p.minWidthDps, p.minHeightDps, p.numColumns));
+        }
+        numColumns = Math.round(invDistWeightedInterpolate(minWidth, minHeight, points));
+        // Interpolate the hotseat length
+        points.clear();
+        for (DeviceProfile p : profiles) {
+            points.add(new DeviceProfileQuery(p.minWidthDps, p.minHeightDps, p.numHotseatIcons));
+        }
+        numHotseatIcons = Math.round(invDistWeightedInterpolate(minWidth, minHeight, points));
+        hotseatAllAppsRank = (int) (numHotseatIcons / 2);
+
+        // Interpolate the icon size
+        points.clear();
+        for (DeviceProfile p : profiles) {
+            points.add(new DeviceProfileQuery(p.minWidthDps, p.minHeightDps, p.iconSize));
+        }
+        iconSize = invDistWeightedInterpolate(minWidth, minHeight, points);
+        // AllApps uses the original non-scaled icon size
+        allAppsIconSizePx = DynamicGrid.pxFromDp(iconSize, dm);
+
+        // Interpolate the icon text size
+        points.clear();
+        for (DeviceProfile p : profiles) {
+            points.add(new DeviceProfileQuery(p.minWidthDps, p.minHeightDps, p.iconTextSize));
+        }
+        iconTextSize = invDistWeightedInterpolate(minWidth, minHeight, points);
+        iconDrawablePaddingOriginalPx =
+                res.getDimensionPixelSize(R.dimen.dynamic_grid_icon_drawable_padding);
+        // AllApps uses the original non-scaled icon text size
+        allAppsIconTextSizePx = DynamicGrid.pxFromDp(iconTextSize, dm);
+
+        // Interpolate the hotseat icon size
+        points.clear();
+        for (DeviceProfile p : profiles) {
+            points.add(new DeviceProfileQuery(p.minWidthDps, p.minHeightDps, p.hotseatIconSize));
+        }
+        // Hotseat
+        hotseatIconSize = invDistWeightedInterpolate(minWidth, minHeight, points);
+
+        // Calculate the remaining vars
+        updateFromConfiguration(context, res, wPx, hPx, awPx, ahPx);
+        updateAvailableDimensions(context);
+    }
+
+    void addCallback(DeviceProfileCallbacks cb) {
+        mCallbacks.add(cb);
+        cb.onAvailableSizeChanged(this);
+    }
+    void removeCallback(DeviceProfileCallbacks cb) {
+        mCallbacks.remove(cb);
+    }
+
+    private int getDeviceOrientation(Context context) {
+        WindowManager windowManager =  (WindowManager)
+                context.getSystemService(Context.WINDOW_SERVICE);
+        Resources resources = context.getResources();
+        DisplayMetrics dm = resources.getDisplayMetrics();
+        Configuration config = resources.getConfiguration();
+        int rotation = windowManager.getDefaultDisplay().getRotation();
+
+        boolean isLandscape = (config.orientation == Configuration.ORIENTATION_LANDSCAPE) &&
+                (rotation == Surface.ROTATION_0 || rotation == Surface.ROTATION_180);
+        boolean isRotatedPortrait = (config.orientation == Configuration.ORIENTATION_PORTRAIT) &&
+                (rotation == Surface.ROTATION_90 || rotation == Surface.ROTATION_270);
+        if (isLandscape || isRotatedPortrait) {
+            return CellLayout.LANDSCAPE;
+        } else {
+            return CellLayout.PORTRAIT;
+        }
+    }
+
+    private void updateAvailableDimensions(Context context) {
+        WindowManager windowManager =  (WindowManager)
+                context.getSystemService(Context.WINDOW_SERVICE);
+        Display display = windowManager.getDefaultDisplay();
+        Resources resources = context.getResources();
+        DisplayMetrics dm = resources.getDisplayMetrics();
+        Configuration config = resources.getConfiguration();
+
+        // There are three possible configurations that the dynamic grid accounts for, portrait,
+        // landscape with the nav bar at the bottom, and landscape with the nav bar at the side.
+        // To prevent waiting for fitSystemWindows(), we make the observation that in landscape,
+        // the height is the smallest height (either with the nav bar at the bottom or to the
+        // side) and otherwise, the height is simply the largest possible height for a portrait
+        // device.
+        Point size = new Point();
+        Point smallestSize = new Point();
+        Point largestSize = new Point();
+        display.getSize(size);
+        display.getCurrentSizeRange(smallestSize, largestSize);
+        availableWidthPx = size.x;
+        if (config.orientation == Configuration.ORIENTATION_LANDSCAPE) {
+            availableHeightPx = smallestSize.y;
+        } else {
+            availableHeightPx = largestSize.y;
+        }
+
+        // Check to see if the icons fit in the new available height.  If not, then we need to
+        // shrink the icon size.
+        Rect workspacePadding = getWorkspacePadding();
+        float scale = 1f;
+        int drawablePadding = iconDrawablePaddingOriginalPx;
+        updateIconSize(1f, drawablePadding, resources, dm);
+        float usedHeight = (cellHeightPx * numRows);
+        int maxHeight = (availableHeightPx - workspacePadding.top - workspacePadding.bottom);
+        if (usedHeight > maxHeight) {
+            scale = maxHeight / usedHeight;
+            drawablePadding = 0;
+        }
+        updateIconSize(scale, drawablePadding, resources, dm);
+
+        // Make the callbacks
+        for (DeviceProfileCallbacks cb : mCallbacks) {
+            cb.onAvailableSizeChanged(this);
+        }
+    }
+
+    private void updateIconSize(float scale, int drawablePadding, Resources resources,
+                                DisplayMetrics dm) {
+        iconSizePx = (int) (DynamicGrid.pxFromDp(iconSize, dm) * scale);
+        iconTextSizePx = (int) (DynamicGrid.pxFromSp(iconTextSize, dm) * scale);
+        iconDrawablePaddingPx = drawablePadding;
+        hotseatIconSizePx = (int) (DynamicGrid.pxFromDp(hotseatIconSize, dm) * scale);
+
+        // Search Bar
+        searchBarSpaceMaxWidthPx = resources.getDimensionPixelSize(R.dimen.dynamic_grid_search_bar_max_width);
+        searchBarHeightPx = resources.getDimensionPixelSize(R.dimen.dynamic_grid_search_bar_height);
+        searchBarSpaceWidthPx = Math.min(searchBarSpaceMaxWidthPx, widthPx);
+        searchBarSpaceHeightPx = searchBarHeightPx + 2 * edgeMarginPx;
+
+        // Calculate the actual text height
+        Paint textPaint = new Paint();
+        textPaint.setTextSize(iconTextSizePx);
+        FontMetrics fm = textPaint.getFontMetrics();
+        cellWidthPx = iconSizePx;
+        cellHeightPx = iconSizePx + iconDrawablePaddingPx + (int) Math.ceil(fm.bottom - fm.top);
+
+        // Hotseat
+        hotseatBarHeightPx = iconSizePx + 4 * edgeMarginPx;
+        hotseatCellWidthPx = iconSizePx;
+        hotseatCellHeightPx = iconSizePx;
+
+        // Folder
+        folderCellWidthPx = cellWidthPx + 3 * edgeMarginPx;
+        folderCellHeightPx = cellHeightPx + edgeMarginPx;
+        folderBackgroundOffset = -edgeMarginPx;
+        folderIconSizePx = iconSizePx + 2 * -folderBackgroundOffset;
+
+        // All Apps
+        Rect padding = getWorkspacePadding(isLandscape ?
+                CellLayout.LANDSCAPE : CellLayout.PORTRAIT);
+        int pageIndicatorOffset =
+                resources.getDimensionPixelSize(R.dimen.apps_customize_page_indicator_offset);
+        allAppsCellWidthPx = allAppsIconSizePx;
+        allAppsCellHeightPx = allAppsIconSizePx + drawablePadding + iconTextSizePx;
+        int maxLongEdgeCellCount =
+                resources.getInteger(R.integer.config_dynamic_grid_max_long_edge_cell_count);
+        int maxShortEdgeCellCount =
+                resources.getInteger(R.integer.config_dynamic_grid_max_short_edge_cell_count);
+        int minEdgeCellCount =
+                resources.getInteger(R.integer.config_dynamic_grid_min_edge_cell_count);
+        int maxRows = (isLandscape ? maxShortEdgeCellCount : maxLongEdgeCellCount);
+        int maxCols = (isLandscape ? maxLongEdgeCellCount : maxShortEdgeCellCount);
+
+        allAppsNumRows = (availableHeightPx - pageIndicatorHeightPx) /
+                (allAppsCellHeightPx + allAppsCellPaddingPx);
+        allAppsNumRows = Math.max(minEdgeCellCount, Math.min(maxRows, allAppsNumRows));
+        allAppsNumCols = (availableWidthPx) /
+                (allAppsCellWidthPx + allAppsCellPaddingPx);
+        allAppsNumCols = Math.max(minEdgeCellCount, Math.min(maxCols, allAppsNumCols));
+    }
+
+    void updateFromConfiguration(Context context, Resources resources, int wPx, int hPx,
+                                 int awPx, int ahPx) {
+        isLandscape = (resources.getConfiguration().orientation ==
+                Configuration.ORIENTATION_LANDSCAPE);
+        isTablet = resources.getBoolean(R.bool.is_tablet);
+        isLargeTablet = resources.getBoolean(R.bool.is_large_tablet);
+        widthPx = wPx;
+        heightPx = hPx;
+        availableWidthPx = awPx;
+        availableHeightPx = ahPx;
+
+        updateAvailableDimensions(context);
+    }
+
+    private float dist(PointF p0, PointF p1) {
+        return (float) Math.sqrt((p1.x - p0.x)*(p1.x-p0.x) +
+                (p1.y-p0.y)*(p1.y-p0.y));
+    }
+
+    private float weight(PointF a, PointF b,
+                        float pow) {
+        float d = dist(a, b);
+        if (d == 0f) {
+            return Float.POSITIVE_INFINITY;
+        }
+        return (float) (1f / Math.pow(d, pow));
+    }
+
+    private float invDistWeightedInterpolate(float width, float height,
+                ArrayList<DeviceProfileQuery> points) {
+        float sum = 0;
+        float weights = 0;
+        float pow = 5;
+        float kNearestNeighbors = 3;
+        final PointF xy = new PointF(width, height);
+
+        ArrayList<DeviceProfileQuery> pointsByNearness = points;
+        Collections.sort(pointsByNearness, new Comparator<DeviceProfileQuery>() {
+            public int compare(DeviceProfileQuery a, DeviceProfileQuery b) {
+                return (int) (dist(xy, a.dimens) - dist(xy, b.dimens));
+            }
+        });
+
+        for (int i = 0; i < pointsByNearness.size(); ++i) {
+            DeviceProfileQuery p = pointsByNearness.get(i);
+            if (i < kNearestNeighbors) {
+                float w = weight(xy, p.dimens, pow);
+                if (w == Float.POSITIVE_INFINITY) {
+                    return p.value;
+                }
+                weights += w;
+            }
+        }
+
+        for (int i = 0; i < pointsByNearness.size(); ++i) {
+            DeviceProfileQuery p = pointsByNearness.get(i);
+            if (i < kNearestNeighbors) {
+                float w = weight(xy, p.dimens, pow);
+                sum += w * p.value / weights;
+            }
+        }
+
+        return sum;
+    }
+
+    /** Returns the search bar bounds in the current orientation */
+    Rect getSearchBarBounds() {
+        return getSearchBarBounds(isLandscape ? CellLayout.LANDSCAPE : CellLayout.PORTRAIT);
+    }
+    /** Returns the search bar bounds in the specified orientation */
+    Rect getSearchBarBounds(int orientation) {
+        Rect bounds = new Rect();
+        if (orientation == CellLayout.LANDSCAPE &&
+                transposeLayoutWithOrientation) {
+            bounds.set(0, edgeMarginPx, searchBarSpaceHeightPx, availableHeightPx - edgeMarginPx);
+        } else {
+            if (isTablet()) {
+                // Pad the left and right of the workspace to ensure consistent spacing
+                // between all icons
+                int width = (orientation == CellLayout.LANDSCAPE)
+                        ? Math.max(widthPx, heightPx)
+                        : Math.min(widthPx, heightPx);
+                // XXX: If the icon size changes across orientations, we will have to take
+                //      that into account here too.
+                int gap = (int) ((width - 2 * edgeMarginPx -
+                        (numColumns * cellWidthPx)) / (2 * (numColumns + 1)));
+                bounds.set(edgeMarginPx + gap, 0, availableWidthPx - (edgeMarginPx + gap),
+                        searchBarSpaceHeightPx);
+            } else {
+                bounds.set(desiredWorkspaceLeftRightMarginPx - defaultWidgetPadding.left, 0,
+                        availableWidthPx - (desiredWorkspaceLeftRightMarginPx -
+                        defaultWidgetPadding.right), searchBarSpaceHeightPx);
+            }
+        }
+        return bounds;
+    }
+
+    /** Returns the workspace padding in the specified orientation */
+    Rect getWorkspacePadding() {
+        return getWorkspacePadding(isLandscape ? CellLayout.LANDSCAPE : CellLayout.PORTRAIT);
+    }
+    Rect getWorkspacePadding(int orientation) {
+        Rect searchBarBounds = getSearchBarBounds(orientation);
+        Rect padding = new Rect();
+        if (orientation == CellLayout.LANDSCAPE &&
+                transposeLayoutWithOrientation) {
+            // Pad the left and right of the workspace with search/hotseat bar sizes
+            padding.set(searchBarBounds.right, edgeMarginPx,
+                    hotseatBarHeightPx, edgeMarginPx);
+        } else {
+            if (isTablet()) {
+                // Pad the left and right of the workspace to ensure consistent spacing
+                // between all icons
+                int width = (orientation == CellLayout.LANDSCAPE)
+                        ? Math.max(widthPx, heightPx)
+                        : Math.min(widthPx, heightPx);
+                // XXX: If the icon size changes across orientations, we will have to take
+                //      that into account here too.
+                int gap = (int) ((width - 2 * edgeMarginPx -
+                        (numColumns * cellWidthPx)) / (2 * (numColumns + 1)));
+                padding.set(edgeMarginPx + gap,
+                        searchBarBounds.bottom,
+                        edgeMarginPx + gap,
+                        hotseatBarHeightPx + pageIndicatorHeightPx);
+            } else {
+                // Pad the top and bottom of the workspace with search/hotseat bar sizes
+                padding.set(desiredWorkspaceLeftRightMarginPx - defaultWidgetPadding.left,
+                        searchBarBounds.bottom,
+                        desiredWorkspaceLeftRightMarginPx - defaultWidgetPadding.right,
+                        hotseatBarHeightPx + pageIndicatorHeightPx);
+            }
+        }
+        return padding;
+    }
+
+    int getWorkspacePageSpacing(int orientation) {
+        if (orientation == CellLayout.LANDSCAPE &&
+                transposeLayoutWithOrientation) {
+            // In landscape mode the page spacing is set to the default.
+            return defaultPageSpacingPx;
+        } else {
+            // In portrait, we want the pages spaced such that there is no
+            // overhang of the previous / next page into the current page viewport.
+            // We assume symmetrical padding in portrait mode.
+            return 2 * getWorkspacePadding().left;
+        }
+    }
+
+    Rect getOverviewModeButtonBarRect() {
+        int zoneHeight = (int) (overviewModeIconZoneRatio * availableHeightPx);
+        zoneHeight = Math.min(overviewModeMaxIconZoneHeightPx,
+                Math.max(overviewModeMinIconZoneHeightPx, zoneHeight));
+        return new Rect(0, availableHeightPx - zoneHeight, 0, availableHeightPx);
+    }
+
+    float getOverviewModeScale() {
+        Rect workspacePadding = getWorkspacePadding();
+        Rect overviewBar = getOverviewModeButtonBarRect();
+        int pageSpace = availableHeightPx - workspacePadding.top - workspacePadding.bottom;
+        return (overviewModeScaleFactor * (pageSpace - overviewBar.height())) / pageSpace;
+    }
+
+    // The rect returned will be extended to below the system ui that covers the workspace
+    Rect getHotseatRect() {
+        if (isVerticalBarLayout()) {
+            return new Rect(availableWidthPx - hotseatBarHeightPx, 0,
+                    Integer.MAX_VALUE, availableHeightPx);
+        } else {
+            return new Rect(0, availableHeightPx - hotseatBarHeightPx,
+                    availableWidthPx, Integer.MAX_VALUE);
+        }
+    }
+
+    int calculateCellWidth(int width, int countX) {
+        return width / countX;
+    }
+    int calculateCellHeight(int height, int countY) {
+        return height / countY;
+    }
+
+    boolean isPhone() {
+        return !isTablet && !isLargeTablet;
+    }
+    boolean isTablet() {
+        return isTablet;
+    }
+    boolean isLargeTablet() {
+        return isLargeTablet;
+    }
+
+    boolean isVerticalBarLayout() {
+        return isLandscape && transposeLayoutWithOrientation;
+    }
+
+    boolean shouldFadeAdjacentWorkspaceScreens() {
+        return isVerticalBarLayout() || isLargeTablet();
+    }
+
+    public void layout(Launcher launcher) {
+        FrameLayout.LayoutParams lp;
+        Resources res = launcher.getResources();
+        boolean hasVerticalBarLayout = isVerticalBarLayout();
+
+        // Layout the search bar space
+        View searchBar = launcher.getSearchBar();
+        lp = (FrameLayout.LayoutParams) searchBar.getLayoutParams();
+        if (hasVerticalBarLayout) {
+            // Vertical search bar
+            lp.gravity = Gravity.TOP | Gravity.LEFT;
+            lp.width = searchBarSpaceHeightPx;
+            lp.height = LayoutParams.MATCH_PARENT;
+            searchBar.setPadding(
+                    0, 2 * edgeMarginPx, 0,
+                    2 * edgeMarginPx);
+        } else {
+            // Horizontal search bar
+            lp.gravity = Gravity.TOP | Gravity.CENTER_HORIZONTAL;
+            lp.width = searchBarSpaceWidthPx;
+            lp.height = searchBarSpaceHeightPx;
+            searchBar.setPadding(
+                    2 * edgeMarginPx,
+                    2 * edgeMarginPx,
+                    2 * edgeMarginPx, 0);
+        }
+        searchBar.setLayoutParams(lp);
+
+        // Layout the search bar
+        View qsbBar = launcher.getQsbBar();
+        LayoutParams vglp = qsbBar.getLayoutParams();
+        vglp.width = LayoutParams.MATCH_PARENT;
+        vglp.height = LayoutParams.MATCH_PARENT;
+        qsbBar.setLayoutParams(vglp);
+
+        // Layout the voice proxy
+        View voiceButtonProxy = launcher.findViewById(R.id.voice_button_proxy);
+        if (voiceButtonProxy != null) {
+            if (hasVerticalBarLayout) {
+                // TODO: MOVE THIS INTO SEARCH BAR MEASURE
+            } else {
+                lp = (FrameLayout.LayoutParams) voiceButtonProxy.getLayoutParams();
+                lp.gravity = Gravity.TOP | Gravity.END;
+                lp.width = (widthPx - searchBarSpaceWidthPx) / 2 +
+                        2 * iconSizePx;
+                lp.height = searchBarSpaceHeightPx;
+            }
+        }
+
+        // Layout the workspace
+        PagedView workspace = (PagedView) launcher.findViewById(R.id.workspace);
+        lp = (FrameLayout.LayoutParams) workspace.getLayoutParams();
+        lp.gravity = Gravity.CENTER;
+        int orientation = isLandscape ? CellLayout.LANDSCAPE : CellLayout.PORTRAIT;
+        Rect padding = getWorkspacePadding(orientation);
+        workspace.setLayoutParams(lp);
+        workspace.setPadding(padding.left, padding.top, padding.right, padding.bottom);
+        workspace.setPageSpacing(getWorkspacePageSpacing(orientation));
+
+        // Layout the hotseat
+        View hotseat = launcher.findViewById(R.id.hotseat);
+        lp = (FrameLayout.LayoutParams) hotseat.getLayoutParams();
+        if (hasVerticalBarLayout) {
+            // Vertical hotseat
+            lp.gravity = Gravity.RIGHT;
+            lp.width = hotseatBarHeightPx;
+            lp.height = LayoutParams.MATCH_PARENT;
+            hotseat.findViewById(R.id.layout).setPadding(0, 2 * edgeMarginPx, 0, 2 * edgeMarginPx);
+        } else if (isTablet()) {
+            // Pad the hotseat with the grid gap calculated above
+            int gridGap = (int) ((widthPx - 2 * edgeMarginPx -
+                    (numColumns * cellWidthPx)) / (2 * (numColumns + 1)));
+            int gridWidth = (int) ((numColumns * cellWidthPx) +
+                    ((numColumns - 1) * gridGap));
+            int hotseatGap = (int) Math.max(0,
+                    (gridWidth - (numHotseatIcons * hotseatCellWidthPx))
+                            / (numHotseatIcons - 1));
+            lp.gravity = Gravity.BOTTOM;
+            lp.width = LayoutParams.MATCH_PARENT;
+            lp.height = hotseatBarHeightPx;
+            hotseat.setPadding(2 * edgeMarginPx + gridGap + hotseatGap, 0,
+                    2 * edgeMarginPx + gridGap + hotseatGap,
+                    2 * edgeMarginPx);
+        } else {
+            // For phones, layout the hotseat without any bottom margin
+            // to ensure that we have space for the folders
+            lp.gravity = Gravity.BOTTOM;
+            lp.width = LayoutParams.MATCH_PARENT;
+            lp.height = hotseatBarHeightPx;
+            hotseat.findViewById(R.id.layout).setPadding(2 * edgeMarginPx, 0,
+                    2 * edgeMarginPx, 0);
+        }
+        hotseat.setLayoutParams(lp);
+
+        // Layout the page indicators
+        View pageIndicator = launcher.findViewById(R.id.page_indicator);
+        if (pageIndicator != null) {
+            if (hasVerticalBarLayout) {
+                // Hide the page indicators when we have vertical search/hotseat
+                pageIndicator.setVisibility(View.GONE);
+            } else {
+                // Put the page indicators above the hotseat
+                lp = (FrameLayout.LayoutParams) pageIndicator.getLayoutParams();
+                lp.gravity = Gravity.CENTER_HORIZONTAL | Gravity.BOTTOM;
+                lp.width = LayoutParams.WRAP_CONTENT;
+                lp.height = LayoutParams.WRAP_CONTENT;
+                lp.bottomMargin = hotseatBarHeightPx;
+                pageIndicator.setLayoutParams(lp);
+            }
+        }
+
+        // Layout AllApps
+        AppsCustomizeTabHost host = (AppsCustomizeTabHost)
+                launcher.findViewById(R.id.apps_customize_pane);
+        if (host != null) {
+            // Center the all apps page indicator
+            int pageIndicatorHeight = (int) (pageIndicatorHeightPx * Math.min(1f,
+                    (allAppsIconSizePx / DynamicGrid.DEFAULT_ICON_SIZE_PX)));
+            pageIndicator = host.findViewById(R.id.apps_customize_page_indicator);
+            if (pageIndicator != null) {
+                lp = (FrameLayout.LayoutParams) pageIndicator.getLayoutParams();
+                lp.gravity = Gravity.CENTER_HORIZONTAL | Gravity.BOTTOM;
+                lp.width = LayoutParams.WRAP_CONTENT;
+                lp.height = pageIndicatorHeight;
+                pageIndicator.setLayoutParams(lp);
+            }
+
+            AppsCustomizePagedView pagedView = (AppsCustomizePagedView)
+                    host.findViewById(R.id.apps_customize_pane_content);
+            padding = new Rect();
+            if (pagedView != null) {
+                // Constrain the dimensions of all apps so that it does not span the full width
+                int paddingLR = (availableWidthPx - (allAppsCellWidthPx * allAppsNumCols)) /
+                        (2 * (allAppsNumCols + 1));
+                int paddingTB = (availableHeightPx - (allAppsCellHeightPx * allAppsNumRows)) /
+                        (2 * (allAppsNumRows + 1));
+                paddingLR = Math.min(paddingLR, (int)((paddingLR + paddingTB) * 0.75f));
+                paddingTB = Math.min(paddingTB, (int)((paddingLR + paddingTB) * 0.75f));
+                int maxAllAppsWidth = (allAppsNumCols * (allAppsCellWidthPx + 2 * paddingLR));
+                int gridPaddingLR = (availableWidthPx - maxAllAppsWidth) / 2;
+                if (gridPaddingLR > (allAppsCellWidthPx / 4)) {
+                    padding.left = padding.right = gridPaddingLR;
+                }
+                // The icons are centered, so we can't just offset by the page indicator height
+                // because the empty space will actually be pageIndicatorHeight + paddingTB
+                padding.bottom = Math.max(0, pageIndicatorHeight - paddingTB);
+                pagedView.setAllAppsPadding(padding);
+                pagedView.setWidgetsPageIndicatorPadding(pageIndicatorHeight);
+            }
+        }
+
+        // Layout the Overview Mode
+        View overviewMode = launcher.getOverviewPanel();
+        if (overviewMode != null) {
+            Rect r = getOverviewModeButtonBarRect();
+            lp = (FrameLayout.LayoutParams) overviewMode.getLayoutParams();
+            lp.gravity = Gravity.CENTER_HORIZONTAL | Gravity.BOTTOM;
+            lp.width = Math.min(availableWidthPx, overviewModeMaxBarWidthPx);
+            lp.height = r.height();
+            overviewMode.setLayoutParams(lp);
+        }
+    }
+}
diff --git a/src/com/android/launcher3/DragController.java b/src/com/android/launcher3/DragController.java
index ab48233..1bfaa23 100644
--- a/src/com/android/launcher3/DragController.java
+++ b/src/com/android/launcher3/DragController.java
@@ -198,7 +198,7 @@
      * @param dragRegion Coordinates within the bitmap b for the position of item being dragged.
      *          Makes dragging feel more precise, e.g. you can clip out a transparent border
      */
-    public void startDrag(Bitmap b, int dragLayerX, int dragLayerY,
+    public DragView startDrag(Bitmap b, int dragLayerX, int dragLayerY,
             DragSource source, Object dragInfo, int dragAction, Point dragOffset, Rect dragRegion,
             float initialDragViewScale) {
         if (PROFILE_DRAWING_DURING_DRAG) {
@@ -245,6 +245,7 @@
         mLauncher.getDragLayer().performHapticFeedback(HapticFeedbackConstants.LONG_PRESS);
         dragView.show(mMotionDownX, mMotionDownY);
         handleMoveEvent(mMotionDownX, mMotionDownY);
+        return dragView;
     }
 
     /**
diff --git a/src/com/android/launcher3/DragLayer.java b/src/com/android/launcher3/DragLayer.java
index 159d7d9..dc0ba90 100644
--- a/src/com/android/launcher3/DragLayer.java
+++ b/src/com/android/launcher3/DragLayer.java
@@ -522,14 +522,18 @@
         scale *= childScale;
         int toX = coord[0];
         int toY = coord[1];
+        float toScale = scale;
         if (child instanceof TextView) {
             TextView tv = (TextView) child;
+            // Account for the source scale of the icon (ie. from AllApps to Workspace, in which
+            // the workspace may have smaller icon bounds).
+            toScale = scale / dragView.getIntrinsicIconScaleFactor();
 
             // The child may be scaled (always about the center of the view) so to account for it,
             // we have to offset the position by the scaled size.  Once we do that, we can center
             // the drag view about the scaled child view.
-            toY += Math.round(scale * tv.getPaddingTop());
-            toY -= dragView.getMeasuredHeight() * (1 - scale) / 2;
+            toY += Math.round(toScale * tv.getPaddingTop());
+            toY -= dragView.getMeasuredHeight() * (1 - toScale) / 2;
             toX -= (dragView.getMeasuredWidth() - Math.round(scale * child.getMeasuredWidth())) / 2;
         } else if (child instanceof FolderIcon) {
             // Account for holographic blur padding on the drag view
@@ -555,7 +559,7 @@
                 }
             }
         };
-        animateViewIntoPosition(dragView, fromX, fromY, toX, toY, 1, 1, 1, scale, scale,
+        animateViewIntoPosition(dragView, fromX, fromY, toX, toY, 1, 1, 1, toScale, toScale,
                 onCompleteRunnable, ANIMATION_END_DISAPPEAR, duration, anchorView);
     }
 
diff --git a/src/com/android/launcher3/DragSource.java b/src/com/android/launcher3/DragSource.java
index 2ef99ae..cca9ab1 100644
--- a/src/com/android/launcher3/DragSource.java
+++ b/src/com/android/launcher3/DragSource.java
@@ -30,6 +30,11 @@
      */
     boolean supportsFlingToDelete();
 
+    /*
+     * @return the scale of the icons over the workspace icon size
+     */
+    float getIntrinsicIconScaleFactor();
+
     /**
      * A callback specifically made back to the source after an item from this source has been flung
      * to be deleted on a DropTarget.  In such a situation, this method will be called after
diff --git a/src/com/android/launcher3/DragView.java b/src/com/android/launcher3/DragView.java
index 686cf62..b66b55c 100644
--- a/src/com/android/launcher3/DragView.java
+++ b/src/com/android/launcher3/DragView.java
@@ -51,6 +51,9 @@
     private float mOffsetX = 0.0f;
     private float mOffsetY = 0.0f;
     private float mInitialScale = 1f;
+    // The intrinsic icon scale factor is the scale factor for a drag icon over the workspace
+    // size.  This is ignored for non-icons.
+    private float mIntrinsicIconScale = 1f;
 
     /**
      * Construct the drag view.
@@ -120,6 +123,15 @@
         mPaint = new Paint(Paint.FILTER_BITMAP_FLAG);
     }
 
+    /** Sets the scale of the view over the normal workspace icon size. */
+    public void setIntrinsicIconScaleFactor(float scale) {
+        mIntrinsicIconScale = scale;
+    }
+
+    public float getIntrinsicIconScaleFactor() {
+        return mIntrinsicIconScale;
+    }
+
     public float getOffsetY() {
         return mOffsetY;
     }
diff --git a/src/com/android/launcher3/DynamicGrid.java b/src/com/android/launcher3/DynamicGrid.java
index 5f8c011..ce78553 100644
--- a/src/com/android/launcher3/DynamicGrid.java
+++ b/src/com/android/launcher3/DynamicGrid.java
@@ -16,674 +16,14 @@
 
 package com.android.launcher3;
 
-import android.appwidget.AppWidgetHostView;
-import android.content.ComponentName;
 import android.content.Context;
-import android.content.res.Configuration;
 import android.content.res.Resources;
-import android.graphics.Paint;
-import android.graphics.Paint.FontMetrics;
-import android.graphics.Point;
-import android.graphics.PointF;
-import android.graphics.Rect;
 import android.util.DisplayMetrics;
 import android.util.TypedValue;
-import android.view.Display;
-import android.view.Gravity;
-import android.view.Surface;
-import android.view.View;
-import android.view.ViewGroup.LayoutParams;
-import android.view.WindowManager;
-import android.widget.FrameLayout;
 
 import java.util.ArrayList;
-import java.util.Collections;
-import java.util.Comparator;
 
 
-class DeviceProfileQuery {
-    float widthDps;
-    float heightDps;
-    float value;
-    PointF dimens;
-
-    DeviceProfileQuery(float w, float h, float v) {
-        widthDps = w;
-        heightDps = h;
-        value = v;
-        dimens = new PointF(w, h);
-    }
-}
-
-class DeviceProfile {
-    public static interface DeviceProfileCallbacks {
-        public void onAvailableSizeChanged(DeviceProfile grid);
-    }
-
-    String name;
-    float minWidthDps;
-    float minHeightDps;
-    float numRows;
-    float numColumns;
-    float numHotseatIcons;
-    private float iconSize;
-    private float iconTextSize;
-    private int iconDrawablePaddingOriginalPx;
-    private float hotseatIconSize;
-
-    boolean isLandscape;
-    boolean isTablet;
-    boolean isLargeTablet;
-    boolean transposeLayoutWithOrientation;
-
-    int desiredWorkspaceLeftRightMarginPx;
-    int edgeMarginPx;
-    Rect defaultWidgetPadding;
-
-    int widthPx;
-    int heightPx;
-    int availableWidthPx;
-    int availableHeightPx;
-    int defaultPageSpacingPx;
-
-    int overviewModeMinIconZoneHeightPx;
-    int overviewModeMaxIconZoneHeightPx;
-    int overviewModeMaxBarWidthPx;
-    float overviewModeIconZoneRatio;
-    float overviewModeScaleFactor;
-
-    int iconSizePx;
-    int iconTextSizePx;
-    int iconDrawablePaddingPx;
-    int cellWidthPx;
-    int cellHeightPx;
-    int allAppsIconSizePx;
-    int allAppsIconTextSizePx;
-    int allAppsCellWidthPx;
-    int allAppsCellHeightPx;
-    int allAppsCellPaddingPx;
-    int folderBackgroundOffset;
-    int folderIconSizePx;
-    int folderCellWidthPx;
-    int folderCellHeightPx;
-    int hotseatCellWidthPx;
-    int hotseatCellHeightPx;
-    int hotseatIconSizePx;
-    int hotseatBarHeightPx;
-    int hotseatAllAppsRank;
-    int allAppsNumRows;
-    int allAppsNumCols;
-    int searchBarSpaceWidthPx;
-    int searchBarSpaceMaxWidthPx;
-    int searchBarSpaceHeightPx;
-    int searchBarHeightPx;
-    int pageIndicatorHeightPx;
-
-    private ArrayList<DeviceProfileCallbacks> mCallbacks = new ArrayList<DeviceProfileCallbacks>();
-
-    DeviceProfile(String n, float w, float h, float r, float c,
-                  float is, float its, float hs, float his) {
-        // Ensure that we have an odd number of hotseat items (since we need to place all apps)
-        if (!AppsCustomizePagedView.DISABLE_ALL_APPS && hs % 2 == 0) {
-            throw new RuntimeException("All Device Profiles must have an odd number of hotseat spaces");
-        }
-
-        name = n;
-        minWidthDps = w;
-        minHeightDps = h;
-        numRows = r;
-        numColumns = c;
-        iconSize = is;
-        iconTextSize = its;
-        numHotseatIcons = hs;
-        hotseatIconSize = his;
-    }
-
-    DeviceProfile(Context context,
-                  ArrayList<DeviceProfile> profiles,
-                  float minWidth, float minHeight,
-                  int wPx, int hPx,
-                  int awPx, int ahPx,
-                  Resources res) {
-        DisplayMetrics dm = res.getDisplayMetrics();
-        ArrayList<DeviceProfileQuery> points =
-                new ArrayList<DeviceProfileQuery>();
-        transposeLayoutWithOrientation =
-                res.getBoolean(R.bool.hotseat_transpose_layout_with_orientation);
-        minWidthDps = minWidth;
-        minHeightDps = minHeight;
-
-        ComponentName cn = new ComponentName(context.getPackageName(),
-                this.getClass().getName());
-        defaultWidgetPadding = AppWidgetHostView.getDefaultPaddingForWidget(context, cn, null);
-        edgeMarginPx = res.getDimensionPixelSize(R.dimen.dynamic_grid_edge_margin);
-        desiredWorkspaceLeftRightMarginPx = 2 * edgeMarginPx;
-        pageIndicatorHeightPx =
-                res.getDimensionPixelSize(R.dimen.dynamic_grid_page_indicator_height);
-        defaultPageSpacingPx =
-                res.getDimensionPixelSize(R.dimen.dynamic_grid_workspace_page_spacing);
-        allAppsCellPaddingPx =
-                res.getDimensionPixelSize(R.dimen.dynamic_grid_all_apps_cell_padding);
-        overviewModeMinIconZoneHeightPx =
-                res.getDimensionPixelSize(R.dimen.dynamic_grid_overview_min_icon_zone_height);
-        overviewModeMaxIconZoneHeightPx =
-                res.getDimensionPixelSize(R.dimen.dynamic_grid_overview_max_icon_zone_height);
-        overviewModeMaxBarWidthPx =
-                res.getDimensionPixelSize(R.dimen.dynamic_grid_overview_bar_max_width);
-        overviewModeIconZoneRatio =
-                res.getInteger(R.integer.config_dynamic_grid_overview_icon_zone_percentage) / 100f;
-        overviewModeScaleFactor =
-                res.getInteger(R.integer.config_dynamic_grid_overview_scale_percentage) / 100f;
-
-        // Interpolate the rows
-        for (DeviceProfile p : profiles) {
-            points.add(new DeviceProfileQuery(p.minWidthDps, p.minHeightDps, p.numRows));
-        }
-        numRows = Math.round(invDistWeightedInterpolate(minWidth, minHeight, points));
-        // Interpolate the columns
-        points.clear();
-        for (DeviceProfile p : profiles) {
-            points.add(new DeviceProfileQuery(p.minWidthDps, p.minHeightDps, p.numColumns));
-        }
-        numColumns = Math.round(invDistWeightedInterpolate(minWidth, minHeight, points));
-        // Interpolate the hotseat length
-        points.clear();
-        for (DeviceProfile p : profiles) {
-            points.add(new DeviceProfileQuery(p.minWidthDps, p.minHeightDps, p.numHotseatIcons));
-        }
-        numHotseatIcons = Math.round(invDistWeightedInterpolate(minWidth, minHeight, points));
-        hotseatAllAppsRank = (int) (numHotseatIcons / 2);
-
-        // Interpolate the icon size
-        points.clear();
-        for (DeviceProfile p : profiles) {
-            points.add(new DeviceProfileQuery(p.minWidthDps, p.minHeightDps, p.iconSize));
-        }
-        iconSize = invDistWeightedInterpolate(minWidth, minHeight, points);
-        // AllApps uses the original non-scaled icon size
-        allAppsIconSizePx = DynamicGrid.pxFromDp(iconSize, dm);
-
-        // Interpolate the icon text size
-        points.clear();
-        for (DeviceProfile p : profiles) {
-            points.add(new DeviceProfileQuery(p.minWidthDps, p.minHeightDps, p.iconTextSize));
-        }
-        iconTextSize = invDistWeightedInterpolate(minWidth, minHeight, points);
-        iconDrawablePaddingOriginalPx =
-                res.getDimensionPixelSize(R.dimen.dynamic_grid_icon_drawable_padding);
-        // AllApps uses the original non-scaled icon text size
-        allAppsIconTextSizePx = DynamicGrid.pxFromDp(iconTextSize, dm);
-
-        // Interpolate the hotseat icon size
-        points.clear();
-        for (DeviceProfile p : profiles) {
-            points.add(new DeviceProfileQuery(p.minWidthDps, p.minHeightDps, p.hotseatIconSize));
-        }
-        // Hotseat
-        hotseatIconSize = invDistWeightedInterpolate(minWidth, minHeight, points);
-
-        // Calculate the remaining vars
-        updateFromConfiguration(context, res, wPx, hPx, awPx, ahPx);
-        updateAvailableDimensions(context);
-    }
-
-    void addCallback(DeviceProfileCallbacks cb) {
-        mCallbacks.add(cb);
-        cb.onAvailableSizeChanged(this);
-    }
-    void removeCallback(DeviceProfileCallbacks cb) {
-        mCallbacks.remove(cb);
-    }
-
-    private int getDeviceOrientation(Context context) {
-        WindowManager windowManager =  (WindowManager)
-                context.getSystemService(Context.WINDOW_SERVICE);
-        Resources resources = context.getResources();
-        DisplayMetrics dm = resources.getDisplayMetrics();
-        Configuration config = resources.getConfiguration();
-        int rotation = windowManager.getDefaultDisplay().getRotation();
-
-        boolean isLandscape = (config.orientation == Configuration.ORIENTATION_LANDSCAPE) &&
-                (rotation == Surface.ROTATION_0 || rotation == Surface.ROTATION_180);
-        boolean isRotatedPortrait = (config.orientation == Configuration.ORIENTATION_PORTRAIT) &&
-                (rotation == Surface.ROTATION_90 || rotation == Surface.ROTATION_270);
-        if (isLandscape || isRotatedPortrait) {
-            return CellLayout.LANDSCAPE;
-        } else {
-            return CellLayout.PORTRAIT;
-        }
-    }
-
-    private void updateAvailableDimensions(Context context) {
-        WindowManager windowManager =  (WindowManager)
-                context.getSystemService(Context.WINDOW_SERVICE);
-        Display display = windowManager.getDefaultDisplay();
-        Resources resources = context.getResources();
-        DisplayMetrics dm = resources.getDisplayMetrics();
-        Configuration config = resources.getConfiguration();
-
-        // There are three possible configurations that the dynamic grid accounts for, portrait,
-        // landscape with the nav bar at the bottom, and landscape with the nav bar at the side.
-        // To prevent waiting for fitSystemWindows(), we make the observation that in landscape,
-        // the height is the smallest height (either with the nav bar at the bottom or to the
-        // side) and otherwise, the height is simply the largest possible height for a portrait
-        // device.
-        Point size = new Point();
-        Point smallestSize = new Point();
-        Point largestSize = new Point();
-        display.getSize(size);
-        display.getCurrentSizeRange(smallestSize, largestSize);
-        availableWidthPx = size.x;
-        if (config.orientation == Configuration.ORIENTATION_LANDSCAPE) {
-            availableHeightPx = smallestSize.y;
-        } else {
-            availableHeightPx = largestSize.y;
-        }
-
-        // Check to see if the icons fit in the new available height.  If not, then we need to
-        // shrink the icon size.
-        Rect workspacePadding = getWorkspacePadding();
-        float scale = 1f;
-        int drawablePadding = iconDrawablePaddingOriginalPx;
-        updateIconSize(1f, drawablePadding, resources, dm);
-        float usedHeight = (cellHeightPx * numRows);
-        int maxHeight = (availableHeightPx - workspacePadding.top - workspacePadding.bottom);
-        if (usedHeight > maxHeight) {
-            scale = maxHeight / usedHeight;
-            drawablePadding = 0;
-        }
-        updateIconSize(scale, drawablePadding, resources, dm);
-
-        // Make the callbacks
-        for (DeviceProfileCallbacks cb : mCallbacks) {
-            cb.onAvailableSizeChanged(this);
-        }
-    }
-
-    private void updateIconSize(float scale, int drawablePadding, Resources resources,
-                                DisplayMetrics dm) {
-        iconSizePx = (int) (DynamicGrid.pxFromDp(iconSize, dm) * scale);
-        iconTextSizePx = (int) (DynamicGrid.pxFromSp(iconTextSize, dm) * scale);
-        iconDrawablePaddingPx = drawablePadding;
-        hotseatIconSizePx = (int) (DynamicGrid.pxFromDp(hotseatIconSize, dm) * scale);
-
-        // Search Bar
-        searchBarSpaceMaxWidthPx = resources.getDimensionPixelSize(R.dimen.dynamic_grid_search_bar_max_width);
-        searchBarHeightPx = resources.getDimensionPixelSize(R.dimen.dynamic_grid_search_bar_height);
-        searchBarSpaceWidthPx = Math.min(searchBarSpaceMaxWidthPx, widthPx);
-        searchBarSpaceHeightPx = searchBarHeightPx + 2 * edgeMarginPx;
-
-        // Calculate the actual text height
-        Paint textPaint = new Paint();
-        textPaint.setTextSize(iconTextSizePx);
-        FontMetrics fm = textPaint.getFontMetrics();
-        cellWidthPx = iconSizePx;
-        cellHeightPx = iconSizePx + iconDrawablePaddingPx + (int) Math.ceil(fm.bottom - fm.top);
-
-        // Hotseat
-        hotseatBarHeightPx = iconSizePx + 4 * edgeMarginPx;
-        hotseatCellWidthPx = iconSizePx;
-        hotseatCellHeightPx = iconSizePx;
-
-        // Folder
-        folderCellWidthPx = cellWidthPx + 3 * edgeMarginPx;
-        folderCellHeightPx = cellHeightPx + edgeMarginPx;
-        folderBackgroundOffset = -edgeMarginPx;
-        folderIconSizePx = iconSizePx + 2 * -folderBackgroundOffset;
-
-        // All Apps
-        Rect padding = getWorkspacePadding(isLandscape ?
-                CellLayout.LANDSCAPE : CellLayout.PORTRAIT);
-        int pageIndicatorOffset =
-                resources.getDimensionPixelSize(R.dimen.apps_customize_page_indicator_offset);
-        allAppsCellWidthPx = allAppsIconSizePx;
-        allAppsCellHeightPx = allAppsIconSizePx + drawablePadding + iconTextSizePx;
-        int maxLongEdgeCellCount =
-                resources.getInteger(R.integer.config_dynamic_grid_max_long_edge_cell_count);
-        int maxShortEdgeCellCount =
-                resources.getInteger(R.integer.config_dynamic_grid_max_short_edge_cell_count);
-        int minEdgeCellCount =
-                resources.getInteger(R.integer.config_dynamic_grid_min_edge_cell_count);
-        int maxRows = (isLandscape ? maxShortEdgeCellCount : maxLongEdgeCellCount);
-        int maxCols = (isLandscape ? maxLongEdgeCellCount : maxShortEdgeCellCount);
-
-        allAppsNumRows = (availableHeightPx - pageIndicatorHeightPx) /
-                (allAppsCellHeightPx + allAppsCellPaddingPx);
-        allAppsNumRows = Math.max(minEdgeCellCount, Math.min(maxRows, allAppsNumRows));
-        allAppsNumCols = (availableWidthPx) /
-                (allAppsCellWidthPx + allAppsCellPaddingPx);
-        allAppsNumCols = Math.max(minEdgeCellCount, Math.min(maxCols, allAppsNumCols));
-    }
-
-    void updateFromConfiguration(Context context, Resources resources, int wPx, int hPx,
-                                 int awPx, int ahPx) {
-        isLandscape = (resources.getConfiguration().orientation ==
-                Configuration.ORIENTATION_LANDSCAPE);
-        isTablet = resources.getBoolean(R.bool.is_tablet);
-        isLargeTablet = resources.getBoolean(R.bool.is_large_tablet);
-        widthPx = wPx;
-        heightPx = hPx;
-        availableWidthPx = awPx;
-        availableHeightPx = ahPx;
-
-        updateAvailableDimensions(context);
-    }
-
-    private float dist(PointF p0, PointF p1) {
-        return (float) Math.sqrt((p1.x - p0.x)*(p1.x-p0.x) +
-                (p1.y-p0.y)*(p1.y-p0.y));
-    }
-
-    private float weight(PointF a, PointF b,
-                        float pow) {
-        float d = dist(a, b);
-        if (d == 0f) {
-            return Float.POSITIVE_INFINITY;
-        }
-        return (float) (1f / Math.pow(d, pow));
-    }
-
-    private float invDistWeightedInterpolate(float width, float height,
-                ArrayList<DeviceProfileQuery> points) {
-        float sum = 0;
-        float weights = 0;
-        float pow = 5;
-        float kNearestNeighbors = 3;
-        final PointF xy = new PointF(width, height);
-
-        ArrayList<DeviceProfileQuery> pointsByNearness = points;
-        Collections.sort(pointsByNearness, new Comparator<DeviceProfileQuery>() {
-            public int compare(DeviceProfileQuery a, DeviceProfileQuery b) {
-                return (int) (dist(xy, a.dimens) - dist(xy, b.dimens));
-            }
-        });
-
-        for (int i = 0; i < pointsByNearness.size(); ++i) {
-            DeviceProfileQuery p = pointsByNearness.get(i);
-            if (i < kNearestNeighbors) {
-                float w = weight(xy, p.dimens, pow);
-                if (w == Float.POSITIVE_INFINITY) {
-                    return p.value;
-                }
-                weights += w;
-            }
-        }
-
-        for (int i = 0; i < pointsByNearness.size(); ++i) {
-            DeviceProfileQuery p = pointsByNearness.get(i);
-            if (i < kNearestNeighbors) {
-                float w = weight(xy, p.dimens, pow);
-                sum += w * p.value / weights;
-            }
-        }
-
-        return sum;
-    }
-
-    Rect getWorkspacePadding() {
-        return getWorkspacePadding(isLandscape ? CellLayout.LANDSCAPE : CellLayout.PORTRAIT);
-    }
-
-    Rect getWorkspacePadding(int orientation) {
-        Rect padding = new Rect();
-        if (orientation == CellLayout.LANDSCAPE &&
-                transposeLayoutWithOrientation) {
-            // Pad the left and right of the workspace with search/hotseat bar sizes
-            padding.set(searchBarSpaceHeightPx, edgeMarginPx,
-                    hotseatBarHeightPx, edgeMarginPx);
-        } else {
-            if (isTablet()) {
-                // Pad the left and right of the workspace to ensure consistent spacing
-                // between all icons
-                int width = (orientation == CellLayout.LANDSCAPE)
-                        ? Math.max(widthPx, heightPx)
-                        : Math.min(widthPx, heightPx);
-                // XXX: If the icon size changes across orientations, we will have to take
-                //      that into account here too.
-                int gap = (int) ((width - 2 * edgeMarginPx -
-                        (numColumns * cellWidthPx)) / (2 * (numColumns + 1)));
-                padding.set(edgeMarginPx + gap,
-                        searchBarSpaceHeightPx,
-                        edgeMarginPx + gap,
-                        hotseatBarHeightPx + pageIndicatorHeightPx);
-            } else {
-                // Pad the top and bottom of the workspace with search/hotseat bar sizes
-                padding.set(desiredWorkspaceLeftRightMarginPx - defaultWidgetPadding.left,
-                        searchBarSpaceHeightPx,
-                        desiredWorkspaceLeftRightMarginPx - defaultWidgetPadding.right,
-                        hotseatBarHeightPx + pageIndicatorHeightPx);
-            }
-        }
-        return padding;
-    }
-
-    int getWorkspacePageSpacing(int orientation) {
-        if (orientation == CellLayout.LANDSCAPE &&
-                transposeLayoutWithOrientation) {
-            // In landscape mode the page spacing is set to the default.
-            return defaultPageSpacingPx;
-        } else {
-            // In portrait, we want the pages spaced such that there is no
-            // overhang of the previous / next page into the current page viewport.
-            // We assume symmetrical padding in portrait mode.
-            return 2 * getWorkspacePadding().left;
-        }
-    }
-
-    Rect getOverviewModeButtonBarRect() {
-        int zoneHeight = (int) (overviewModeIconZoneRatio * availableHeightPx);
-        zoneHeight = Math.min(overviewModeMaxIconZoneHeightPx,
-                Math.max(overviewModeMinIconZoneHeightPx, zoneHeight));
-        return new Rect(0, availableHeightPx - zoneHeight, 0, availableHeightPx);
-    }
-
-    float getOverviewModeScale() {
-        Rect workspacePadding = getWorkspacePadding();
-        Rect overviewBar = getOverviewModeButtonBarRect();
-        int pageSpace = availableHeightPx - workspacePadding.top - workspacePadding.bottom;
-        return (overviewModeScaleFactor * (pageSpace - overviewBar.height())) / pageSpace;
-    }
-
-    // The rect returned will be extended to below the system ui that covers the workspace
-    Rect getHotseatRect() {
-        if (isVerticalBarLayout()) {
-            return new Rect(availableWidthPx - hotseatBarHeightPx, 0,
-                    Integer.MAX_VALUE, availableHeightPx);
-        } else {
-            return new Rect(0, availableHeightPx - hotseatBarHeightPx,
-                    availableWidthPx, Integer.MAX_VALUE);
-        }
-    }
-
-    int calculateCellWidth(int width, int countX) {
-        return width / countX;
-    }
-    int calculateCellHeight(int height, int countY) {
-        return height / countY;
-    }
-
-    boolean isPhone() {
-        return !isTablet && !isLargeTablet;
-    }
-    boolean isTablet() {
-        return isTablet;
-    }
-    boolean isLargeTablet() {
-        return isLargeTablet;
-    }
-
-    boolean isVerticalBarLayout() {
-        return isLandscape && transposeLayoutWithOrientation;
-    }
-
-    boolean shouldFadeAdjacentWorkspaceScreens() {
-        return isVerticalBarLayout() || isLargeTablet();
-    }
-
-    public void layout(Launcher launcher) {
-        FrameLayout.LayoutParams lp;
-        Resources res = launcher.getResources();
-        boolean hasVerticalBarLayout = isVerticalBarLayout();
-
-        // Layout the search bar space
-        View searchBar = launcher.getSearchBar();
-        lp = (FrameLayout.LayoutParams) searchBar.getLayoutParams();
-        if (hasVerticalBarLayout) {
-            // Vertical search bar
-            lp.gravity = Gravity.TOP | Gravity.LEFT;
-            lp.width = searchBarSpaceHeightPx;
-            lp.height = LayoutParams.MATCH_PARENT;
-            searchBar.setPadding(
-                    0, 2 * edgeMarginPx, 0,
-                    2 * edgeMarginPx);
-        } else {
-            // Horizontal search bar
-            lp.gravity = Gravity.TOP | Gravity.CENTER_HORIZONTAL;
-            lp.width = searchBarSpaceWidthPx;
-            lp.height = searchBarSpaceHeightPx;
-            searchBar.setPadding(
-                    2 * edgeMarginPx,
-                    2 * edgeMarginPx,
-                    2 * edgeMarginPx, 0);
-        }
-        searchBar.setLayoutParams(lp);
-
-        // Layout the search bar
-        View qsbBar = launcher.getQsbBar();
-        LayoutParams vglp = qsbBar.getLayoutParams();
-        vglp.width = LayoutParams.MATCH_PARENT;
-        vglp.height = LayoutParams.MATCH_PARENT;
-        qsbBar.setLayoutParams(vglp);
-
-        // Layout the voice proxy
-        View voiceButtonProxy = launcher.findViewById(R.id.voice_button_proxy);
-        if (voiceButtonProxy != null) {
-            if (hasVerticalBarLayout) {
-                // TODO: MOVE THIS INTO SEARCH BAR MEASURE
-            } else {
-                lp = (FrameLayout.LayoutParams) voiceButtonProxy.getLayoutParams();
-                lp.gravity = Gravity.TOP | Gravity.END;
-                lp.width = (widthPx - searchBarSpaceWidthPx) / 2 +
-                        2 * iconSizePx;
-                lp.height = searchBarSpaceHeightPx;
-            }
-        }
-
-        // Layout the workspace
-        PagedView workspace = (PagedView) launcher.findViewById(R.id.workspace);
-        lp = (FrameLayout.LayoutParams) workspace.getLayoutParams();
-        lp.gravity = Gravity.CENTER;
-        int orientation = isLandscape ? CellLayout.LANDSCAPE : CellLayout.PORTRAIT;
-        Rect padding = getWorkspacePadding(orientation);
-        workspace.setLayoutParams(lp);
-        workspace.setPadding(padding.left, padding.top, padding.right, padding.bottom);
-        workspace.setPageSpacing(getWorkspacePageSpacing(orientation));
-
-        // Layout the hotseat
-        View hotseat = launcher.findViewById(R.id.hotseat);
-        lp = (FrameLayout.LayoutParams) hotseat.getLayoutParams();
-        if (hasVerticalBarLayout) {
-            // Vertical hotseat
-            lp.gravity = Gravity.RIGHT;
-            lp.width = hotseatBarHeightPx;
-            lp.height = LayoutParams.MATCH_PARENT;
-            hotseat.findViewById(R.id.layout).setPadding(0, 2 * edgeMarginPx, 0, 2 * edgeMarginPx);
-        } else if (isTablet()) {
-            // Pad the hotseat with the grid gap calculated above
-            int gridGap = (int) ((widthPx - 2 * edgeMarginPx -
-                    (numColumns * cellWidthPx)) / (2 * (numColumns + 1)));
-            int gridWidth = (int) ((numColumns * cellWidthPx) +
-                    ((numColumns - 1) * gridGap));
-            int hotseatGap = (int) Math.max(0,
-                    (gridWidth - (numHotseatIcons * hotseatCellWidthPx))
-                            / (numHotseatIcons - 1));
-            lp.gravity = Gravity.BOTTOM;
-            lp.width = LayoutParams.MATCH_PARENT;
-            lp.height = hotseatBarHeightPx;
-            hotseat.setPadding(2 * edgeMarginPx + gridGap + hotseatGap, 0,
-                    2 * edgeMarginPx + gridGap + hotseatGap,
-                    2 * edgeMarginPx);
-        } else {
-            // For phones, layout the hotseat without any bottom margin
-            // to ensure that we have space for the folders
-            lp.gravity = Gravity.BOTTOM;
-            lp.width = LayoutParams.MATCH_PARENT;
-            lp.height = hotseatBarHeightPx;
-            hotseat.findViewById(R.id.layout).setPadding(2 * edgeMarginPx, 0,
-                    2 * edgeMarginPx, 0);
-        }
-        hotseat.setLayoutParams(lp);
-
-        // Layout the page indicators
-        View pageIndicator = launcher.findViewById(R.id.page_indicator);
-        if (pageIndicator != null) {
-            if (hasVerticalBarLayout) {
-                // Hide the page indicators when we have vertical search/hotseat
-                pageIndicator.setVisibility(View.GONE);
-            } else {
-                // Put the page indicators above the hotseat
-                lp = (FrameLayout.LayoutParams) pageIndicator.getLayoutParams();
-                lp.gravity = Gravity.CENTER_HORIZONTAL | Gravity.BOTTOM;
-                lp.width = LayoutParams.WRAP_CONTENT;
-                lp.height = LayoutParams.WRAP_CONTENT;
-                lp.bottomMargin = hotseatBarHeightPx;
-                pageIndicator.setLayoutParams(lp);
-            }
-        }
-
-        // Layout AllApps
-        AppsCustomizeTabHost host = (AppsCustomizeTabHost)
-                launcher.findViewById(R.id.apps_customize_pane);
-        if (host != null) {
-            // Center the all apps page indicator
-            int pageIndicatorHeight = (int) (pageIndicatorHeightPx * Math.min(1f,
-                    (allAppsIconSizePx / DynamicGrid.DEFAULT_ICON_SIZE_PX)));
-            pageIndicator = host.findViewById(R.id.apps_customize_page_indicator);
-            if (pageIndicator != null) {
-                lp = (FrameLayout.LayoutParams) pageIndicator.getLayoutParams();
-                lp.gravity = Gravity.CENTER_HORIZONTAL | Gravity.BOTTOM;
-                lp.width = LayoutParams.WRAP_CONTENT;
-                lp.height = pageIndicatorHeight;
-                pageIndicator.setLayoutParams(lp);
-            }
-
-            AppsCustomizePagedView pagedView = (AppsCustomizePagedView)
-                    host.findViewById(R.id.apps_customize_pane_content);
-            padding = new Rect();
-            if (pagedView != null) {
-                // Constrain the dimensions of all apps so that it does not span the full width
-                int paddingLR = (availableWidthPx - (allAppsCellWidthPx * allAppsNumCols)) /
-                        (2 * (allAppsNumCols + 1));
-                int paddingTB = (availableHeightPx - (allAppsCellHeightPx * allAppsNumRows)) /
-                        (2 * (allAppsNumRows + 1));
-                paddingLR = Math.min(paddingLR, (int)((paddingLR + paddingTB) * 0.75f));
-                paddingTB = Math.min(paddingTB, (int)((paddingLR + paddingTB) * 0.75f));
-                int maxAllAppsWidth = (allAppsNumCols * (allAppsCellWidthPx + 2 * paddingLR));
-                int gridPaddingLR = (availableWidthPx - maxAllAppsWidth) / 2;
-                if (gridPaddingLR > (allAppsCellWidthPx / 4)) {
-                    padding.left = padding.right = gridPaddingLR;
-                }
-                // The icons are centered, so we can't just offset by the page indicator height
-                // because the empty space will actually be pageIndicatorHeight + paddingTB
-                padding.bottom = Math.max(0, pageIndicatorHeight - paddingTB);
-                pagedView.setAllAppsPadding(padding);
-                pagedView.setWidgetsPageIndicatorPadding(pageIndicatorHeight);
-            }
-        }
-
-        // Layout the Overview Mode
-        View overviewMode = launcher.getOverviewPanel();
-        if (overviewMode != null) {
-            Rect r = getOverviewModeButtonBarRect();
-            lp = (FrameLayout.LayoutParams) overviewMode.getLayoutParams();
-            lp.gravity = Gravity.CENTER_HORIZONTAL | Gravity.BOTTOM;
-            lp.width = Math.min(availableWidthPx, overviewModeMaxBarWidthPx);
-            lp.height = r.height();
-            overviewMode.setLayoutParams(lp);
-        }
-    }
-}
-
 public class DynamicGrid {
     @SuppressWarnings("unused")
     private static final String TAG = "DynamicGrid";
@@ -734,10 +74,10 @@
         // The tablet profile is odd in that the landscape orientation
         // also includes the nav bar on the side
         deviceProfiles.add(new DeviceProfile("Nexus 7",
-                575, 904,  6, 6,  72, 14.4f,  7, 60));
+                575, 904,  5, 5,  72, 14.4f,  7, 60));
         // Larger tablet profiles always have system bars on the top & bottom
         deviceProfiles.add(new DeviceProfile("Nexus 10",
-                727, 1207,  5, 8,  80, 14.4f,  9, 64));
+                727, 1207,  5, 5,  80, 14.4f,  7, 64));
         /*
         deviceProfiles.add(new DeviceProfile("Nexus 7",
                 600, 960,  5, 5,  72, 14.4f,  5, 60));
@@ -755,7 +95,7 @@
                 resources);
     }
 
-    DeviceProfile getDeviceProfile() {
+    public DeviceProfile getDeviceProfile() {
         return mProfile;
     }
 
diff --git a/src/com/android/launcher3/FastBitmapDrawable.java b/src/com/android/launcher3/FastBitmapDrawable.java
index bce6707..85e9020 100644
--- a/src/com/android/launcher3/FastBitmapDrawable.java
+++ b/src/com/android/launcher3/FastBitmapDrawable.java
@@ -27,19 +27,12 @@
 class FastBitmapDrawable extends Drawable {
     private Bitmap mBitmap;
     private int mAlpha;
-    private int mWidth;
-    private int mHeight;
     private final Paint mPaint = new Paint(Paint.FILTER_BITMAP_FLAG);
 
     FastBitmapDrawable(Bitmap b) {
-	mAlpha = 255;
+        mAlpha = 255;
         mBitmap = b;
-        if (b != null) {
-            mWidth = mBitmap.getWidth();
-            mHeight = mBitmap.getHeight();
-        } else {
-            mWidth = mHeight = 0;
-        }
+        setBounds(0, 0, b.getWidth(), b.getHeight());
     }
 
     @Override
@@ -76,32 +69,22 @@
 
     @Override
     public int getIntrinsicWidth() {
-        return mWidth;
+        return getBounds().width();
     }
 
     @Override
     public int getIntrinsicHeight() {
-        return mHeight;
+        return getBounds().height();
     }
 
     @Override
     public int getMinimumWidth() {
-        return mWidth;
+        return getBounds().width();
     }
 
     @Override
     public int getMinimumHeight() {
-        return mHeight;
-    }
-
-    public void setBitmap(Bitmap b) {
-        mBitmap = b;
-        if (b != null) {
-            mWidth = mBitmap.getWidth();
-            mHeight = mBitmap.getHeight();
-        } else {
-            mWidth = mHeight = 0;
-        }
+        return getBounds().height();
     }
 
     public Bitmap getBitmap() {
diff --git a/src/com/android/launcher3/Folder.java b/src/com/android/launcher3/Folder.java
index 0514615..1d234ff 100644
--- a/src/com/android/launcher3/Folder.java
+++ b/src/com/android/launcher3/Folder.java
@@ -792,6 +792,11 @@
     }
 
     @Override
+    public float getIntrinsicIconScaleFactor() {
+        return 1f;
+    }
+
+    @Override
     public boolean supportsFlingToDelete() {
         return true;
     }
diff --git a/src/com/android/launcher3/InstallShortcutReceiver.java b/src/com/android/launcher3/InstallShortcutReceiver.java
index 835c472..fb75161 100644
--- a/src/com/android/launcher3/InstallShortcutReceiver.java
+++ b/src/com/android/launcher3/InstallShortcutReceiver.java
@@ -294,7 +294,7 @@
             // Add the new apps to the model and bind them
             if (!addShortcuts.isEmpty()) {
                 LauncherAppState app = LauncherAppState.getInstance();
-                app.getModel().addAndBindAddedApps(context, addShortcuts, null);
+                app.getModel().addAndBindAddedApps(context, addShortcuts, new ArrayList<AppInfo>());
             }
         }
     }
diff --git a/src/com/android/launcher3/Launcher.java b/src/com/android/launcher3/Launcher.java
index b76379a..4d802bd 100644
--- a/src/com/android/launcher3/Launcher.java
+++ b/src/com/android/launcher3/Launcher.java
@@ -45,7 +45,6 @@
 import android.content.pm.ActivityInfo;
 import android.content.pm.PackageManager;
 import android.content.pm.PackageManager.NameNotFoundException;
-import android.content.pm.ResolveInfo;
 import android.content.res.Configuration;
 import android.content.res.Resources;
 import android.database.ContentObserver;
@@ -113,6 +112,7 @@
 import java.util.Date;
 import java.util.HashMap;
 import java.util.List;
+import java.util.concurrent.atomic.AtomicInteger;
 
 /**
  * Default launcher application.
@@ -181,8 +181,10 @@
     private static final String RUNTIME_STATE_PENDING_ADD_SPAN_Y = "launcher.add_span_y";
     // Type: parcelable
     private static final String RUNTIME_STATE_PENDING_ADD_WIDGET_INFO = "launcher.add_widget_info";
- // Type: parcelable
+    // Type: parcelable
     private static final String RUNTIME_STATE_PENDING_ADD_WIDGET_ID = "launcher.add_widget_id";
+    // Type: int[]
+    private static final String RUNTIME_STATE_VIEW_IDS = "launcher.view_ids";
 
     private static final String TOOLBAR_ICON_METADATA_NAME = "com.android.launcher.toolbar_icon";
     private static final String TOOLBAR_SEARCH_ICON_METADATA_NAME =
@@ -207,6 +209,9 @@
     private static final Object sLock = new Object();
     private static int sScreen = DEFAULT_SCREEN;
 
+    private HashMap<Integer, Integer> mItemIdToViewId = new HashMap<Integer, Integer>();
+    private static final AtomicInteger sNextGeneratedId = new AtomicInteger(1);
+
     // How long to wait before the new-shortcut animation automatically pans the workspace
     private static int NEW_APPS_PAGE_MOVE_DELAY = 500;
     private static int NEW_APPS_ANIMATION_INACTIVE_TIMEOUT_SECONDS = 5;
@@ -454,7 +459,7 @@
             } else {
                 // We only load the page synchronously if the user rotates (or triggers a
                 // configuration change) while launcher is in the foreground
-                mModel.startLoader(true, mWorkspace.getCurrentPage());
+                mModel.startLoader(true, mWorkspace.getRestorePage());
             }
         }
 
@@ -671,6 +676,34 @@
     }
 
     /**
+     * Copied from View -- the View version of the method isn't called
+     * anywhere else in our process and only exists for API level 17+,
+     * so it's ok to keep our own version with no API requirement.
+     */
+    public static int generateViewId() {
+        for (;;) {
+            final int result = sNextGeneratedId.get();
+            // aapt-generated IDs have the high byte nonzero; clamp to the range under that.
+            int newValue = result + 1;
+            if (newValue > 0x00FFFFFF) newValue = 1; // Roll over to 1, not 0.
+            if (sNextGeneratedId.compareAndSet(result, newValue)) {
+                return result;
+            }
+        }
+    }
+
+    public int getViewIdForItem(ItemInfo info) {
+        // This cast is safe given the > 2B range for int.
+        int itemId = (int) info.id;
+        if (mItemIdToViewId.containsKey(itemId)) {
+            return mItemIdToViewId.get(itemId);
+        }
+        int viewId = generateViewId();
+        mItemIdToViewId.put(itemId, viewId);
+        return viewId;
+    }
+
+    /**
      * Returns whether we should delay spring loaded mode -- for shortcuts and widgets that have
      * a configuration step, this allows the proper animations to run after other transitions.
      */
@@ -1108,6 +1141,7 @@
      *
      * @param savedState The previous state.
      */
+    @SuppressWarnings("unchecked")
     private void restoreState(Bundle savedState) {
         if (savedState == null) {
             return;
@@ -1160,6 +1194,8 @@
             int currentIndex = savedState.getInt("apps_customize_currentIndex");
             mAppsCustomizeContent.restorePageForIndex(currentIndex);
         }
+        mItemIdToViewId = (HashMap<Integer, Integer>)
+                savedState.getSerializable(RUNTIME_STATE_VIEW_IDS);
     }
 
     /**
@@ -1705,7 +1741,7 @@
             // In all these cases, only animate if we're already on home
             mWorkspace.exitWidgetResizeMode();
             if (alreadyOnHome && mState == State.WORKSPACE && !mWorkspace.isTouchActive() &&
-                    openFolder == null) {
+                    openFolder == null && shouldMoveToDefaultScreenOnHomeIntent()) {
                 mWorkspace.moveToDefaultScreen(true);
             }
 
@@ -1731,6 +1767,8 @@
             if (mAppsCustomizeTabHost != null) {
                 mAppsCustomizeTabHost.reset();
             }
+
+            onHomeIntent();
         }
 
         if (DEBUG_RESUME_TIME) {
@@ -1738,6 +1776,21 @@
         }
     }
 
+    /**
+     * Override point for subclasses to prevent movement to the default screen when the home
+     * button is pressed. Used (for example) in GEL, to prevent movement during a search.
+     */
+    protected boolean shouldMoveToDefaultScreenOnHomeIntent() {
+        return true;
+    }
+
+    /**
+     * Override point for subclasses to provide custom behaviour for when a home intent is fired.
+     */
+    protected void onHomeIntent() {
+        // Do nothing
+    }
+
     @Override
     public void onRestoreInstanceState(Bundle state) {
         super.onRestoreInstanceState(state);
@@ -1749,7 +1802,8 @@
     @Override
     protected void onSaveInstanceState(Bundle outState) {
         if (mWorkspace.getChildCount() > 0) {
-            outState.putInt(RUNTIME_STATE_CURRENT_SCREEN, mWorkspace.getRestorePage());
+            outState.putInt(RUNTIME_STATE_CURRENT_SCREEN,
+                    mWorkspace.getCurrentPageOffsetFromCustomContent());
         }
         super.onSaveInstanceState(outState);
 
@@ -1785,6 +1839,7 @@
             int currentIndex = mAppsCustomizeContent.getSaveInstanceStateIndex();
             outState.putInt("apps_customize_currentIndex", currentIndex);
         }
+        outState.putSerializable(RUNTIME_STATE_VIEW_IDS, mItemIdToViewId);
     }
 
     @Override
@@ -1823,7 +1878,7 @@
 
         mDragLayer.clearAllResizeFrames();
         ((ViewGroup) mWorkspace.getParent()).removeAllViews();
-        mWorkspace.removeAllViews();
+        mWorkspace.removeAllWorkspaceScreens();
         mWorkspace = null;
         mDragController = null;
 
@@ -2609,7 +2664,7 @@
     }
 
     public void closeFolder() {
-        Folder folder = mWorkspace.getOpenFolder();
+        Folder folder = mWorkspace != null ? mWorkspace.getOpenFolder() : null;
         if (folder != null) {
             if (folder.isEditingName()) {
                 folder.dismissEditingName();
@@ -3658,6 +3713,10 @@
 
     @Override
     public void bindAddScreens(ArrayList<Long> orderedScreenIds) {
+        // Log to disk
+        Launcher.addDumpLog(TAG, "11683562 - bindAddScreens()", true);
+        Launcher.addDumpLog(TAG, "11683562 -   orderedScreenIds: " +
+                TextUtils.join(", ", orderedScreenIds), true);
         int count = orderedScreenIds.size();
         for (int i = 0; i < count; i++) {
             mWorkspace.insertNewWorkspaceScreenBeforeEmptyScreen(orderedScreenIds.get(i));
@@ -3965,6 +4024,11 @@
                 getDeviceProfile().isVerticalBarLayout();
     }
 
+    protected Rect getSearchBarBounds() {
+        return LauncherAppState.getInstance().getDynamicGrid().
+                getDeviceProfile().getSearchBarBounds();
+    }
+
     @Override
     public void bindSearchablesChanged() {
         boolean searchVisible = updateGlobalSearchIcon();
diff --git a/src/com/android/launcher3/LauncherAppState.java b/src/com/android/launcher3/LauncherAppState.java
index fe2b43f..9a47eaa 100644
--- a/src/com/android/launcher3/LauncherAppState.java
+++ b/src/com/android/launcher3/LauncherAppState.java
@@ -191,7 +191,7 @@
                 availableWidth, availableHeight);
         return grid;
     }
-    DynamicGrid getDynamicGrid() {
+    public DynamicGrid getDynamicGrid() {
         return mDynamicGrid;
     }
 
diff --git a/src/com/android/launcher3/LauncherModel.java b/src/com/android/launcher3/LauncherModel.java
index dff1814..4d9dff9 100644
--- a/src/com/android/launcher3/LauncherModel.java
+++ b/src/com/android/launcher3/LauncherModel.java
@@ -40,6 +40,7 @@
 import android.os.RemoteException;
 import android.os.SystemClock;
 import android.provider.BaseColumns;
+import android.text.TextUtils;
 import android.util.Log;
 import android.util.Pair;
 import com.android.launcher3.InstallWidgetReceiver.WidgetMimeTypeHandlerData;
@@ -282,7 +283,10 @@
         addAndBindAddedApps(context, workspaceApps, cb, allAppsApps);
     }
     public void addAndBindAddedApps(final Context context, final ArrayList<ItemInfo> workspaceApps,
-                                    final Callbacks callbacks, final ArrayList<AppInfo> allAppsApps) {
+                                final Callbacks callbacks, final ArrayList<AppInfo> allAppsApps) {
+        if (workspaceApps == null || allAppsApps == null) {
+            throw new RuntimeException("workspaceApps and allAppsApps must not be null");
+        }
         if (workspaceApps.isEmpty() && allAppsApps.isEmpty()) {
             return;
         }
@@ -955,6 +959,10 @@
      * a list of screen ids in the order that they should appear.
      */
     void updateWorkspaceScreenOrder(Context context, final ArrayList<Long> screens) {
+        // Log to disk
+        Launcher.addDumpLog(TAG, "11683562 - updateWorkspaceScreenOrder()", true);
+        Launcher.addDumpLog(TAG, "11683562 -   screens: " + TextUtils.join(", ", screens), true);
+
         final ArrayList<Long> screensCopy = new ArrayList<Long>(screens);
         final ContentResolver cr = context.getContentResolver();
         final Uri uri = LauncherSettings.WorkspaceScreens.CONTENT_URI;
@@ -1235,6 +1243,15 @@
         } finally {
             sc.close();
         }
+
+        // Log to disk
+        Launcher.addDumpLog(TAG, "11683562 - loadWorkspaceScreensDb()", true);
+        ArrayList<String> orderedScreensPairs= new ArrayList<String>();
+        for (Integer i : orderedScreens.keySet()) {
+            orderedScreensPairs.add("{ " + i + ": " + orderedScreens.get(i) + " }");
+        }
+        Launcher.addDumpLog(TAG, "11683562 -   screens: " +
+                TextUtils.join(", ", orderedScreensPairs), true);
         return orderedScreens;
     }
 
@@ -1508,7 +1525,7 @@
             }
             if (!added.isEmpty()) {
                 Callbacks cb = mCallbacks != null ? mCallbacks.get() : null;
-                addAndBindAddedApps(context, added, cb, null);
+                addAndBindAddedApps(context, added, cb, new ArrayList<AppInfo>());
             }
         }
 
@@ -1599,6 +1616,9 @@
 
         /** Returns whether this is an upgradge path */
         private boolean loadWorkspace() {
+            // Log to disk
+            Launcher.addDumpLog(TAG, "11683562 - loadWorkspace()", true);
+
             final long t = DEBUG_LOADERS ? SystemClock.uptimeMillis() : 0;
 
             final Context context = mContext;
@@ -1616,8 +1636,12 @@
             LauncherAppState.getLauncherProvider().loadDefaultFavoritesIfNecessary(0);
 
             // Check if we need to do any upgrade-path logic
+            // (Includes having just imported default favorites)
             boolean loadedOldDb = LauncherAppState.getLauncherProvider().justLoadedOldDb();
 
+            // Log to disk
+            Launcher.addDumpLog(TAG, "11683562 -   loadedOldDb: " + loadedOldDb, true);
+
             synchronized (sBgLock) {
                 clearSBgDataStructures();
 
@@ -1933,6 +1957,10 @@
                         }
                     }
                     Collections.sort(sBgWorkspaceScreens);
+                    // Log to disk
+                    Launcher.addDumpLog(TAG, "11683562 -   maxScreenId: " + maxScreenId, true);
+                    Launcher.addDumpLog(TAG, "11683562 -   sBgWorkspaceScreens: " +
+                            TextUtils.join(", ", sBgWorkspaceScreens), true);
 
                     LauncherAppState.getLauncherProvider().updateMaxScreenId(maxScreenId);
                     updateWorkspaceScreenOrder(context, sBgWorkspaceScreens);
@@ -1949,6 +1977,9 @@
                     for (Integer i : orderedScreens.keySet()) {
                         sBgWorkspaceScreens.add(orderedScreens.get(i));
                     }
+                    // Log to disk
+                    Launcher.addDumpLog(TAG, "11683562 -   sBgWorkspaceScreens: " +
+                            TextUtils.join(", ", sBgWorkspaceScreens), true);
 
                     // Remove any empty screens
                     ArrayList<Long> unusedScreens = new ArrayList<Long>(sBgWorkspaceScreens);
@@ -1962,6 +1993,10 @@
 
                     // If there are any empty screens remove them, and update.
                     if (unusedScreens.size() != 0) {
+                        // Log to disk
+                        Launcher.addDumpLog(TAG, "11683562 -   unusedScreens (to be removed): " +
+                                TextUtils.join(", ", unusedScreens), true);
+
                         sBgWorkspaceScreens.removeAll(unusedScreens);
                         updateWorkspaceScreenOrder(context, sBgWorkspaceScreens);
                     }
@@ -1993,7 +2028,7 @@
 
         /** Filters the set of items who are directly or indirectly (via another container) on the
          * specified screen. */
-        private void filterCurrentWorkspaceItems(int currentScreen,
+        private void filterCurrentWorkspaceItems(long currentScreenId,
                 ArrayList<ItemInfo> allWorkspaceItems,
                 ArrayList<ItemInfo> currentScreenItems,
                 ArrayList<ItemInfo> otherScreenItems) {
@@ -2006,12 +2041,6 @@
                 }
             }
 
-            // If we aren't filtering on a screen, then the set of items to load is the full set of
-            // items given.
-            if (currentScreen < 0) {
-                currentScreenItems.addAll(allWorkspaceItems);
-            }
-
             // Order the set of items by their containers first, this allows use to walk through the
             // list sequentially, build up a list of containers that are in the specified screen,
             // as well as all items in those containers.
@@ -2024,7 +2053,7 @@
             });
             for (ItemInfo info : allWorkspaceItems) {
                 if (info.container == LauncherSettings.Favorites.CONTAINER_DESKTOP) {
-                    if (info.screenId == currentScreen) {
+                    if (info.screenId == currentScreenId) {
                         currentScreenItems.add(info);
                         itemsOnScreen.add(info.id);
                     } else {
@@ -2045,20 +2074,15 @@
         }
 
         /** Filters the set of widgets which are on the specified screen. */
-        private void filterCurrentAppWidgets(int currentScreen,
+        private void filterCurrentAppWidgets(long currentScreenId,
                 ArrayList<LauncherAppWidgetInfo> appWidgets,
                 ArrayList<LauncherAppWidgetInfo> currentScreenWidgets,
                 ArrayList<LauncherAppWidgetInfo> otherScreenWidgets) {
-            // If we aren't filtering on a screen, then the set of items to load is the full set of
-            // widgets given.
-            if (currentScreen < 0) {
-                currentScreenWidgets.addAll(appWidgets);
-            }
 
             for (LauncherAppWidgetInfo widget : appWidgets) {
                 if (widget == null) continue;
                 if (widget.container == LauncherSettings.Favorites.CONTAINER_DESKTOP &&
-                        widget.screenId == currentScreen) {
+                        widget.screenId == currentScreenId) {
                     currentScreenWidgets.add(widget);
                 } else {
                     otherScreenWidgets.add(widget);
@@ -2067,23 +2091,18 @@
         }
 
         /** Filters the set of folders which are on the specified screen. */
-        private void filterCurrentFolders(int currentScreen,
+        private void filterCurrentFolders(long currentScreenId,
                 HashMap<Long, ItemInfo> itemsIdMap,
                 HashMap<Long, FolderInfo> folders,
                 HashMap<Long, FolderInfo> currentScreenFolders,
                 HashMap<Long, FolderInfo> otherScreenFolders) {
-            // If we aren't filtering on a screen, then the set of items to load is the full set of
-            // widgets given.
-            if (currentScreen < 0) {
-                currentScreenFolders.putAll(folders);
-            }
 
             for (long id : folders.keySet()) {
                 ItemInfo info = itemsIdMap.get(id);
                 FolderInfo folder = folders.get(id);
                 if (info == null || folder == null) continue;
                 if (info.container == LauncherSettings.Favorites.CONTAINER_DESKTOP &&
-                        info.screenId == currentScreen) {
+                        info.screenId == currentScreenId) {
                     currentScreenFolders.put(id, folder);
                 } else {
                     otherScreenFolders.put(id, folder);
@@ -2210,13 +2229,7 @@
                 return;
             }
 
-            final boolean isLoadingSynchronously = (synchronizeBindPage > -1);
-            final int currentScreen = isLoadingSynchronously ? synchronizeBindPage :
-                oldCallbacks.getCurrentWorkspaceScreen();
-
-            // Load all the items that are on the current page first (and in the process, unbind
-            // all the existing workspace items before we call startBinding() below.
-            unbindWorkspaceItemsOnMainThread();
+            // Save a copy of all the bg-thread collections
             ArrayList<ItemInfo> workspaceItems = new ArrayList<ItemInfo>();
             ArrayList<LauncherAppWidgetInfo> appWidgets =
                     new ArrayList<LauncherAppWidgetInfo>();
@@ -2231,6 +2244,22 @@
                 orderedScreenIds.addAll(sBgWorkspaceScreens);
             }
 
+            final boolean isLoadingSynchronously = (synchronizeBindPage > -1);
+            int currScreen = isLoadingSynchronously ? synchronizeBindPage :
+                oldCallbacks.getCurrentWorkspaceScreen();
+            if (currScreen >= orderedScreenIds.size()) {
+                // There may be no workspace screens (just hotseat items and an empty page).
+                currScreen = -1;
+            }
+            final int currentScreen = currScreen;
+            final long currentScreenId =
+                    currentScreen < 0 ? -1 : orderedScreenIds.get(currentScreen);
+
+            // Load all the items that are on the current page first (and in the process, unbind
+            // all the existing workspace items before we call startBinding() below.
+            unbindWorkspaceItemsOnMainThread();
+
+            // Separate the items that are on the current screen, and all the other remaining items
             ArrayList<ItemInfo> currentWorkspaceItems = new ArrayList<ItemInfo>();
             ArrayList<ItemInfo> otherWorkspaceItems = new ArrayList<ItemInfo>();
             ArrayList<LauncherAppWidgetInfo> currentAppWidgets =
@@ -2240,12 +2269,11 @@
             HashMap<Long, FolderInfo> currentFolders = new HashMap<Long, FolderInfo>();
             HashMap<Long, FolderInfo> otherFolders = new HashMap<Long, FolderInfo>();
 
-            // Separate the items that are on the current screen, and all the other remaining items
-            filterCurrentWorkspaceItems(currentScreen, workspaceItems, currentWorkspaceItems,
+            filterCurrentWorkspaceItems(currentScreenId, workspaceItems, currentWorkspaceItems,
                     otherWorkspaceItems);
-            filterCurrentAppWidgets(currentScreen, appWidgets, currentAppWidgets,
+            filterCurrentAppWidgets(currentScreenId, appWidgets, currentAppWidgets,
                     otherAppWidgets);
-            filterCurrentFolders(currentScreen, itemsIdMap, folders, currentFolders,
+            filterCurrentFolders(currentScreenId, itemsIdMap, folders, currentFolders,
                     otherFolders);
             sortWorkspaceItemsSpatially(currentWorkspaceItems);
             sortWorkspaceItemsSpatially(otherWorkspaceItems);
diff --git a/src/com/android/launcher3/LauncherProvider.java b/src/com/android/launcher3/LauncherProvider.java
index e992706..4eb30e7 100644
--- a/src/com/android/launcher3/LauncherProvider.java
+++ b/src/com/android/launcher3/LauncherProvider.java
@@ -71,6 +71,9 @@
     static final String OLD_AUTHORITY = "com.android.launcher2.settings";
     static final String AUTHORITY = ProviderConfig.AUTHORITY;
 
+    // Should we attempt to load anything from the com.android.launcher2 provider?
+    static final boolean IMPORT_LAUNCHER2_DATABASE = false;
+
     static final String TABLE_FAVORITES = "favorites";
     static final String TABLE_WORKSPACE_SCREENS = "workspaceScreens";
     static final String PARAMETER_NOTIFY = "notify";
@@ -366,32 +369,38 @@
                 sendAppWidgetResetNotify();
             }
 
-            // Try converting the old database
-            ContentValuesCallback permuteScreensCb = new ContentValuesCallback() {
-                public void onRow(ContentValues values) {
-                    int container = values.getAsInteger(LauncherSettings.Favorites.CONTAINER);
-                    if (container == Favorites.CONTAINER_DESKTOP) {
-                        int screen = values.getAsInteger(LauncherSettings.Favorites.SCREEN);
-                        screen = (int) upgradeLauncherDb_permuteScreens(screen);
-                        values.put(LauncherSettings.Favorites.SCREEN, screen);
+            if (IMPORT_LAUNCHER2_DATABASE) {
+                // Try converting the old database
+                ContentValuesCallback permuteScreensCb = new ContentValuesCallback() {
+                    public void onRow(ContentValues values) {
+                        int container = values.getAsInteger(LauncherSettings.Favorites.CONTAINER);
+                        if (container == Favorites.CONTAINER_DESKTOP) {
+                            int screen = values.getAsInteger(LauncherSettings.Favorites.SCREEN);
+                            screen = (int) upgradeLauncherDb_permuteScreens(screen);
+                            values.put(LauncherSettings.Favorites.SCREEN, screen);
+                        }
+                    }
+                };
+                Uri uri = Uri.parse("content://" + Settings.AUTHORITY +
+                        "/old_favorites?notify=true");
+                if (!convertDatabase(db, uri, permuteScreensCb, true)) {
+                    // Try and upgrade from the Launcher2 db
+                    uri = LauncherSettings.Favorites.OLD_CONTENT_URI;
+                    if (!convertDatabase(db, uri, permuteScreensCb, false)) {
+                        // If we fail, then set a flag to load the default workspace
+                        setFlagEmptyDbCreated();
+                        return;
                     }
                 }
-            };
-            Uri uri = Uri.parse("content://" + Settings.AUTHORITY +
-                    "/old_favorites?notify=true");
-            if (!convertDatabase(db, uri, permuteScreensCb, true)) {
-                // Try and upgrade from the Launcher2 db
-                uri = LauncherSettings.Favorites.OLD_CONTENT_URI;
-                if (!convertDatabase(db, uri, permuteScreensCb, false)) {
-                    // If we fail, then set a flag to load the default workspace
-                    setFlagEmptyDbCreated();
-                    return;
-                }
+                // Right now, in non-default workspace cases, we want to run the final
+                // upgrade code (ie. to fix workspace screen indices -> ids, etc.), so
+                // set that flag too.
+                setFlagJustLoadedOldDb();
+            } else {
+                // Fresh and clean launcher DB.
+                mMaxItemId = initializeMaxItemId(db);
+                setFlagEmptyDbCreated();
             }
-            // Right now, in non-default workspace cases, we want to run the final
-            // upgrade code (ie. to fix workspace screen indices -> ids, etc.), so
-            // set that flag too.
-            setFlagJustLoadedOldDb();
         }
 
         private void addWorkspacesTable(SQLiteDatabase db) {
@@ -868,10 +877,14 @@
                 throw new RuntimeException("Error: max screen id was not initialized");
             }
             mMaxScreenId += 1;
+            // Log to disk
+            Launcher.addDumpLog(TAG, "11683562 - generateNewScreenId(): " + mMaxScreenId, true);
             return mMaxScreenId;
         }
 
         public void updateMaxScreenId(long maxScreenId) {
+            // Log to disk
+            Launcher.addDumpLog(TAG, "11683562 - updateMaxScreenId(): " + maxScreenId, true);
             mMaxScreenId = maxScreenId;
         }
 
@@ -892,6 +905,8 @@
                 throw new RuntimeException("Error: could not query max screen id");
             }
 
+            // Log to disk
+            Launcher.addDumpLog(TAG, "11683562 - initializeMaxScreenId(): " + id, true);
             return id;
         }
 
diff --git a/src/com/android/launcher3/LauncherScroller.java b/src/com/android/launcher3/LauncherScroller.java
new file mode 100644
index 0000000..3bd0a78
--- /dev/null
+++ b/src/com/android/launcher3/LauncherScroller.java
@@ -0,0 +1,559 @@
+/*
+ * Copyright (C) 2006 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.launcher3;
+
+import android.animation.TimeInterpolator;
+import android.content.Context;
+import android.hardware.SensorManager;
+import android.os.Build;
+import android.util.FloatMath;
+import android.view.ViewConfiguration;
+import android.view.animation.AnimationUtils;
+import android.view.animation.Interpolator;
+
+/**
+ * This class differs from the framework {@link android.widget.Scroller} in that
+ * you can modify the Interpolator post-construction.
+ */
+public class LauncherScroller  {
+    private int mMode;
+
+    private int mStartX;
+    private int mStartY;
+    private int mFinalX;
+    private int mFinalY;
+
+    private int mMinX;
+    private int mMaxX;
+    private int mMinY;
+    private int mMaxY;
+
+    private int mCurrX;
+    private int mCurrY;
+    private long mStartTime;
+    private int mDuration;
+    private float mDurationReciprocal;
+    private float mDeltaX;
+    private float mDeltaY;
+    private boolean mFinished;
+    private TimeInterpolator mInterpolator;
+    private boolean mFlywheel;
+
+    private float mVelocity;
+    private float mCurrVelocity;
+    private int mDistance;
+
+    private float mFlingFriction = ViewConfiguration.getScrollFriction();
+
+    private static final int DEFAULT_DURATION = 250;
+    private static final int SCROLL_MODE = 0;
+    private static final int FLING_MODE = 1;
+
+    private static float DECELERATION_RATE = (float) (Math.log(0.78) / Math.log(0.9));
+    private static final float INFLEXION = 0.35f; // Tension lines cross at (INFLEXION, 1)
+    private static final float START_TENSION = 0.5f;
+    private static final float END_TENSION = 1.0f;
+    private static final float P1 = START_TENSION * INFLEXION;
+    private static final float P2 = 1.0f - END_TENSION * (1.0f - INFLEXION);
+
+    private static final int NB_SAMPLES = 100;
+    private static final float[] SPLINE_POSITION = new float[NB_SAMPLES + 1];
+    private static final float[] SPLINE_TIME = new float[NB_SAMPLES + 1];
+
+    private float mDeceleration;
+    private final float mPpi;
+
+    // A context-specific coefficient adjusted to physical values.
+    private float mPhysicalCoeff;
+
+    static {
+        float x_min = 0.0f;
+        float y_min = 0.0f;
+        for (int i = 0; i < NB_SAMPLES; i++) {
+            final float alpha = (float) i / NB_SAMPLES;
+
+            float x_max = 1.0f;
+            float x, tx, coef;
+            while (true) {
+                x = x_min + (x_max - x_min) / 2.0f;
+                coef = 3.0f * x * (1.0f - x);
+                tx = coef * ((1.0f - x) * P1 + x * P2) + x * x * x;
+                if (Math.abs(tx - alpha) < 1E-5) break;
+                if (tx > alpha) x_max = x;
+                else x_min = x;
+            }
+            SPLINE_POSITION[i] = coef * ((1.0f - x) * START_TENSION + x) + x * x * x;
+
+            float y_max = 1.0f;
+            float y, dy;
+            while (true) {
+                y = y_min + (y_max - y_min) / 2.0f;
+                coef = 3.0f * y * (1.0f - y);
+                dy = coef * ((1.0f - y) * START_TENSION + y) + y * y * y;
+                if (Math.abs(dy - alpha) < 1E-5) break;
+                if (dy > alpha) y_max = y;
+                else y_min = y;
+            }
+            SPLINE_TIME[i] = coef * ((1.0f - y) * P1 + y * P2) + y * y * y;
+        }
+        SPLINE_POSITION[NB_SAMPLES] = SPLINE_TIME[NB_SAMPLES] = 1.0f;
+
+        // This controls the viscous fluid effect (how much of it)
+        sViscousFluidScale = 8.0f;
+        // must be set to 1.0 (used in viscousFluid())
+        sViscousFluidNormalize = 1.0f;
+        sViscousFluidNormalize = 1.0f / viscousFluid(1.0f);
+
+    }
+
+    private static float sViscousFluidScale;
+    private static float sViscousFluidNormalize;
+
+    public void setInterpolator(TimeInterpolator interpolator) {
+        mInterpolator = interpolator;
+    }
+
+    /**
+     * Create a Scroller with the default duration and interpolator.
+     */
+    public LauncherScroller(Context context) {
+        this(context, null);
+    }
+
+    /**
+     * Create a Scroller with the specified interpolator. If the interpolator is
+     * null, the default (viscous) interpolator will be used. "Flywheel" behavior will
+     * be in effect for apps targeting Honeycomb or newer.
+     */
+    public LauncherScroller(Context context, Interpolator interpolator) {
+        this(context, interpolator,
+                context.getApplicationInfo().targetSdkVersion >= Build.VERSION_CODES.HONEYCOMB);
+    }
+
+    /**
+     * Create a Scroller with the specified interpolator. If the interpolator is
+     * null, the default (viscous) interpolator will be used. Specify whether or
+     * not to support progressive "flywheel" behavior in flinging.
+     */
+    public LauncherScroller(Context context, Interpolator interpolator, boolean flywheel) {
+        mFinished = true;
+        mInterpolator = interpolator;
+        mPpi = context.getResources().getDisplayMetrics().density * 160.0f;
+        mDeceleration = computeDeceleration(ViewConfiguration.getScrollFriction());
+        mFlywheel = flywheel;
+
+        mPhysicalCoeff = computeDeceleration(0.84f); // look and feel tuning
+    }
+
+    /**
+     * The amount of friction applied to flings. The default value
+     * is {@link ViewConfiguration#getScrollFriction}.
+     *
+     * @param friction A scalar dimension-less value representing the coefficient of
+     *         friction.
+     */
+    public final void setFriction(float friction) {
+        mDeceleration = computeDeceleration(friction);
+        mFlingFriction = friction;
+    }
+
+    private float computeDeceleration(float friction) {
+        return SensorManager.GRAVITY_EARTH   // g (m/s^2)
+                      * 39.37f               // inch/meter
+                      * mPpi                 // pixels per inch
+                      * friction;
+    }
+
+    /**
+     *
+     * Returns whether the scroller has finished scrolling.
+     *
+     * @return True if the scroller has finished scrolling, false otherwise.
+     */
+    public final boolean isFinished() {
+        return mFinished;
+    }
+
+    /**
+     * Force the finished field to a particular value.
+     *
+     * @param finished The new finished value.
+     */
+    public final void forceFinished(boolean finished) {
+        mFinished = finished;
+    }
+
+    /**
+     * Returns how long the scroll event will take, in milliseconds.
+     *
+     * @return The duration of the scroll in milliseconds.
+     */
+    public final int getDuration() {
+        return mDuration;
+    }
+
+    /**
+     * Returns the current X offset in the scroll.
+     *
+     * @return The new X offset as an absolute distance from the origin.
+     */
+    public final int getCurrX() {
+        return mCurrX;
+    }
+
+    /**
+     * Returns the current Y offset in the scroll.
+     *
+     * @return The new Y offset as an absolute distance from the origin.
+     */
+    public final int getCurrY() {
+        return mCurrY;
+    }
+
+    /**
+     * Returns the current velocity.
+     *
+     * @return The original velocity less the deceleration. Result may be
+     * negative.
+     */
+    public float getCurrVelocity() {
+        return mMode == FLING_MODE ?
+                mCurrVelocity : mVelocity - mDeceleration * timePassed() / 2000.0f;
+    }
+
+    /**
+     * Returns the start X offset in the scroll.
+     *
+     * @return The start X offset as an absolute distance from the origin.
+     */
+    public final int getStartX() {
+        return mStartX;
+    }
+
+    /**
+     * Returns the start Y offset in the scroll.
+     *
+     * @return The start Y offset as an absolute distance from the origin.
+     */
+    public final int getStartY() {
+        return mStartY;
+    }
+
+    /**
+     * Returns where the scroll will end. Valid only for "fling" scrolls.
+     *
+     * @return The final X offset as an absolute distance from the origin.
+     */
+    public final int getFinalX() {
+        return mFinalX;
+    }
+
+    /**
+     * Returns where the scroll will end. Valid only for "fling" scrolls.
+     *
+     * @return The final Y offset as an absolute distance from the origin.
+     */
+    public final int getFinalY() {
+        return mFinalY;
+    }
+
+    /**
+     * Call this when you want to know the new location.  If it returns true,
+     * the animation is not yet finished.
+     */
+    public boolean computeScrollOffset() {
+        if (mFinished) {
+            return false;
+        }
+
+        int timePassed = (int)(AnimationUtils.currentAnimationTimeMillis() - mStartTime);
+
+        if (timePassed < mDuration) {
+            switch (mMode) {
+            case SCROLL_MODE:
+                float x = timePassed * mDurationReciprocal;
+
+                if (mInterpolator == null)
+                    x = viscousFluid(x);
+                else
+                    x = mInterpolator.getInterpolation(x);
+
+                mCurrX = mStartX + Math.round(x * mDeltaX);
+                mCurrY = mStartY + Math.round(x * mDeltaY);
+                break;
+            case FLING_MODE:
+                final float t = (float) timePassed / mDuration;
+                final int index = (int) (NB_SAMPLES * t);
+                float distanceCoef = 1.f;
+                float velocityCoef = 0.f;
+                if (index < NB_SAMPLES) {
+                    final float t_inf = (float) index / NB_SAMPLES;
+                    final float t_sup = (float) (index + 1) / NB_SAMPLES;
+                    final float d_inf = SPLINE_POSITION[index];
+                    final float d_sup = SPLINE_POSITION[index + 1];
+                    velocityCoef = (d_sup - d_inf) / (t_sup - t_inf);
+                    distanceCoef = d_inf + (t - t_inf) * velocityCoef;
+                }
+
+                mCurrVelocity = velocityCoef * mDistance / mDuration * 1000.0f;
+
+                mCurrX = mStartX + Math.round(distanceCoef * (mFinalX - mStartX));
+                // Pin to mMinX <= mCurrX <= mMaxX
+                mCurrX = Math.min(mCurrX, mMaxX);
+                mCurrX = Math.max(mCurrX, mMinX);
+
+                mCurrY = mStartY + Math.round(distanceCoef * (mFinalY - mStartY));
+                // Pin to mMinY <= mCurrY <= mMaxY
+                mCurrY = Math.min(mCurrY, mMaxY);
+                mCurrY = Math.max(mCurrY, mMinY);
+
+                if (mCurrX == mFinalX && mCurrY == mFinalY) {
+                    mFinished = true;
+                }
+
+                break;
+            }
+        }
+        else {
+            mCurrX = mFinalX;
+            mCurrY = mFinalY;
+            mFinished = true;
+        }
+        return true;
+    }
+
+    /**
+     * Start scrolling by providing a starting point and the distance to travel.
+     * The scroll will use the default value of 250 milliseconds for the
+     * duration.
+     *
+     * @param startX Starting horizontal scroll offset in pixels. Positive
+     *        numbers will scroll the content to the left.
+     * @param startY Starting vertical scroll offset in pixels. Positive numbers
+     *        will scroll the content up.
+     * @param dx Horizontal distance to travel. Positive numbers will scroll the
+     *        content to the left.
+     * @param dy Vertical distance to travel. Positive numbers will scroll the
+     *        content up.
+     */
+    public void startScroll(int startX, int startY, int dx, int dy) {
+        startScroll(startX, startY, dx, dy, DEFAULT_DURATION);
+    }
+
+    /**
+     * Start scrolling by providing a starting point, the distance to travel,
+     * and the duration of the scroll.
+     *
+     * @param startX Starting horizontal scroll offset in pixels. Positive
+     *        numbers will scroll the content to the left.
+     * @param startY Starting vertical scroll offset in pixels. Positive numbers
+     *        will scroll the content up.
+     * @param dx Horizontal distance to travel. Positive numbers will scroll the
+     *        content to the left.
+     * @param dy Vertical distance to travel. Positive numbers will scroll the
+     *        content up.
+     * @param duration Duration of the scroll in milliseconds.
+     */
+    public void startScroll(int startX, int startY, int dx, int dy, int duration) {
+        mMode = SCROLL_MODE;
+        mFinished = false;
+        mDuration = duration;
+        mStartTime = AnimationUtils.currentAnimationTimeMillis();
+        mStartX = startX;
+        mStartY = startY;
+        mFinalX = startX + dx;
+        mFinalY = startY + dy;
+        mDeltaX = dx;
+        mDeltaY = dy;
+        mDurationReciprocal = 1.0f / (float) mDuration;
+    }
+
+    /**
+     * Start scrolling based on a fling gesture. The distance travelled will
+     * depend on the initial velocity of the fling.
+     *
+     * @param startX Starting point of the scroll (X)
+     * @param startY Starting point of the scroll (Y)
+     * @param velocityX Initial velocity of the fling (X) measured in pixels per
+     *        second.
+     * @param velocityY Initial velocity of the fling (Y) measured in pixels per
+     *        second
+     * @param minX Minimum X value. The scroller will not scroll past this
+     *        point.
+     * @param maxX Maximum X value. The scroller will not scroll past this
+     *        point.
+     * @param minY Minimum Y value. The scroller will not scroll past this
+     *        point.
+     * @param maxY Maximum Y value. The scroller will not scroll past this
+     *        point.
+     */
+    public void fling(int startX, int startY, int velocityX, int velocityY,
+            int minX, int maxX, int minY, int maxY) {
+        // Continue a scroll or fling in progress
+        if (mFlywheel && !mFinished) {
+            float oldVel = getCurrVelocity();
+
+            float dx = (float) (mFinalX - mStartX);
+            float dy = (float) (mFinalY - mStartY);
+            float hyp = FloatMath.sqrt(dx * dx + dy * dy);
+
+            float ndx = dx / hyp;
+            float ndy = dy / hyp;
+
+            float oldVelocityX = ndx * oldVel;
+            float oldVelocityY = ndy * oldVel;
+            if (Math.signum(velocityX) == Math.signum(oldVelocityX) &&
+                    Math.signum(velocityY) == Math.signum(oldVelocityY)) {
+                velocityX += oldVelocityX;
+                velocityY += oldVelocityY;
+            }
+        }
+
+        mMode = FLING_MODE;
+        mFinished = false;
+
+        float velocity = FloatMath.sqrt(velocityX * velocityX + velocityY * velocityY);
+
+        mVelocity = velocity;
+        mDuration = getSplineFlingDuration(velocity);
+        mStartTime = AnimationUtils.currentAnimationTimeMillis();
+        mStartX = startX;
+        mStartY = startY;
+
+        float coeffX = velocity == 0 ? 1.0f : velocityX / velocity;
+        float coeffY = velocity == 0 ? 1.0f : velocityY / velocity;
+
+        double totalDistance = getSplineFlingDistance(velocity);
+        mDistance = (int) (totalDistance * Math.signum(velocity));
+
+        mMinX = minX;
+        mMaxX = maxX;
+        mMinY = minY;
+        mMaxY = maxY;
+
+        mFinalX = startX + (int) Math.round(totalDistance * coeffX);
+        // Pin to mMinX <= mFinalX <= mMaxX
+        mFinalX = Math.min(mFinalX, mMaxX);
+        mFinalX = Math.max(mFinalX, mMinX);
+
+        mFinalY = startY + (int) Math.round(totalDistance * coeffY);
+        // Pin to mMinY <= mFinalY <= mMaxY
+        mFinalY = Math.min(mFinalY, mMaxY);
+        mFinalY = Math.max(mFinalY, mMinY);
+    }
+
+    private double getSplineDeceleration(float velocity) {
+        return Math.log(INFLEXION * Math.abs(velocity) / (mFlingFriction * mPhysicalCoeff));
+    }
+
+    private int getSplineFlingDuration(float velocity) {
+        final double l = getSplineDeceleration(velocity);
+        final double decelMinusOne = DECELERATION_RATE - 1.0;
+        return (int) (1000.0 * Math.exp(l / decelMinusOne));
+    }
+
+    private double getSplineFlingDistance(float velocity) {
+        final double l = getSplineDeceleration(velocity);
+        final double decelMinusOne = DECELERATION_RATE - 1.0;
+        return mFlingFriction * mPhysicalCoeff * Math.exp(DECELERATION_RATE / decelMinusOne * l);
+    }
+
+    static float viscousFluid(float x)
+    {
+        x *= sViscousFluidScale;
+        if (x < 1.0f) {
+            x -= (1.0f - (float)Math.exp(-x));
+        } else {
+            float start = 0.36787944117f;   // 1/e == exp(-1)
+            x = 1.0f - (float)Math.exp(1.0f - x);
+            x = start + x * (1.0f - start);
+        }
+        x *= sViscousFluidNormalize;
+        return x;
+    }
+
+    /**
+     * Stops the animation. Contrary to {@link #forceFinished(boolean)},
+     * aborting the animating cause the scroller to move to the final x and y
+     * position
+     *
+     * @see #forceFinished(boolean)
+     */
+    public void abortAnimation() {
+        mCurrX = mFinalX;
+        mCurrY = mFinalY;
+        mFinished = true;
+    }
+
+    /**
+     * Extend the scroll animation. This allows a running animation to scroll
+     * further and longer, when used with {@link #setFinalX(int)} or {@link #setFinalY(int)}.
+     *
+     * @param extend Additional time to scroll in milliseconds.
+     * @see #setFinalX(int)
+     * @see #setFinalY(int)
+     */
+    public void extendDuration(int extend) {
+        int passed = timePassed();
+        mDuration = passed + extend;
+        mDurationReciprocal = 1.0f / mDuration;
+        mFinished = false;
+    }
+
+    /**
+     * Returns the time elapsed since the beginning of the scrolling.
+     *
+     * @return The elapsed time in milliseconds.
+     */
+    public int timePassed() {
+        return (int)(AnimationUtils.currentAnimationTimeMillis() - mStartTime);
+    }
+
+    /**
+     * Sets the final position (X) for this scroller.
+     *
+     * @param newX The new X offset as an absolute distance from the origin.
+     * @see #extendDuration(int)
+     * @see #setFinalY(int)
+     */
+    public void setFinalX(int newX) {
+        mFinalX = newX;
+        mDeltaX = mFinalX - mStartX;
+        mFinished = false;
+    }
+
+    /**
+     * Sets the final position (Y) for this scroller.
+     *
+     * @param newY The new Y offset as an absolute distance from the origin.
+     * @see #extendDuration(int)
+     * @see #setFinalX(int)
+     */
+    public void setFinalY(int newY) {
+        mFinalY = newY;
+        mDeltaY = mFinalY - mStartY;
+        mFinished = false;
+    }
+
+    /**
+     * @hide
+     */
+    public boolean isScrollingInDirection(float xvel, float yvel) {
+        return !mFinished && Math.signum(xvel) == Math.signum(mFinalX - mStartX) &&
+                Math.signum(yvel) == Math.signum(mFinalY - mStartY);
+    }
+}
diff --git a/src/com/android/launcher3/PagedView.java b/src/com/android/launcher3/PagedView.java
index 3eecedb..2c7114b 100644
--- a/src/com/android/launcher3/PagedView.java
+++ b/src/com/android/launcher3/PagedView.java
@@ -122,7 +122,8 @@
 
     protected int mNextPage = INVALID_PAGE;
     protected int mMaxScrollX;
-    protected Scroller mScroller;
+    protected LauncherScroller mScroller;
+    private Interpolator mDefaultInterpolator;
     private VelocityTracker mVelocityTracker;
     private int mPageSpacing = 0;
 
@@ -152,7 +153,6 @@
 
     protected int mTouchState = TOUCH_STATE_REST;
     protected boolean mForceScreenScrolled = false;
-    private boolean mScrollAbortedFromIntercept = false;
 
 
     protected OnLongClickListener mLongClickListener;
@@ -310,7 +310,8 @@
     protected void init() {
         mDirtyPageContent = new ArrayList<Boolean>();
         mDirtyPageContent.ensureCapacity(32);
-        mScroller = new Scroller(getContext(), new ScrollInterpolator());
+        mScroller = new LauncherScroller(getContext());
+        setDefaultInterpolator(new ScrollInterpolator());
         mCurrentPage = 0;
         mCenterPagesVertically = true;
 
@@ -330,6 +331,11 @@
         setOnHierarchyChangeListener(this);
     }
 
+    protected void setDefaultInterpolator(Interpolator interpolator) {
+        mDefaultInterpolator = interpolator;
+        mScroller.setInterpolator(mDefaultInterpolator);
+    }
+
     protected void onAttachedToWindow() {
         super.onAttachedToWindow();
 
@@ -564,6 +570,9 @@
     void setRestorePage(int restorePage) {
         mRestorePage = restorePage;
     }
+    int getRestorePage() {
+        return mRestorePage;
+    }
 
     protected void notifyPageSwitchListener() {
         if (mPageSwitchListener != null) {
@@ -1385,13 +1394,13 @@
                  * being flinged.
                  */
                 final int xDist = Math.abs(mScroller.getFinalX() - mScroller.getCurrX());
-                final boolean finishedScrolling = (mScroller.isFinished() || xDist < mTouchSlop);
+                final boolean finishedScrolling = (mScroller.isFinished() || xDist < mTouchSlop / 3);
 
                 if (finishedScrolling) {
                     mTouchState = TOUCH_STATE_REST;
                     if (!mScroller.isFinished()) {
-                        mScrollAbortedFromIntercept = true;
-                        abortScrollerAnimation(false);
+                        setCurrentPage(getNextPage());
+                        pageEndMoving();
                     }
                 } else {
                     if (isTouchPointInViewportWithBuffer((int) mDownMotionX, (int) mDownMotionY)) {
@@ -1419,9 +1428,6 @@
 
             case MotionEvent.ACTION_UP:
             case MotionEvent.ACTION_CANCEL:
-                if (mScrollAbortedFromIntercept) {
-                    snapToDestination();
-                }
                 resetTouchState();
                 break;
 
@@ -1625,11 +1631,11 @@
     }
 
     protected void enableFreeScroll() {
-        setEnableFreeScroll(true, -1);
+        setEnableFreeScroll(true);
     }
 
-    protected void disableFreeScroll(int snapPage) {
-        setEnableFreeScroll(false, snapPage);
+    protected void disableFreeScroll() {
+        setEnableFreeScroll(false);
     }
 
     void updateFreescrollBounds() {
@@ -1643,16 +1649,10 @@
         }
     }
 
-    private void setEnableFreeScroll(boolean freeScroll, int snapPage) {
+    private void setEnableFreeScroll(boolean freeScroll) {
         mFreeScroll = freeScroll;
 
-        if (snapPage == -1) {
-            snapPage = getPageNearestToCenterOfScreen();
-        }
-
-        if (!mFreeScroll) {
-            snapToPage(snapPage);
-        } else {
+        if (mFreeScroll) {
             updateFreescrollBounds();
             getOverviewModePages(mTempVisiblePagesRange);
             if (getCurrentPage() < mTempVisiblePagesRange[0]) {
@@ -1910,6 +1910,7 @@
                     int vX = (int) (-velocityX * scaleX);
                     int initialScrollX = (int) (getScrollX() * scaleX);
 
+                    mScroller.setInterpolator(mDefaultInterpolator);
                     mScroller.fling(initialScrollX,
                             getScrollY(), vX, 0, Integer.MIN_VALUE, Integer.MAX_VALUE, 0, 0);
                     invalidate();
@@ -1995,7 +1996,6 @@
         releaseVelocityTracker();
         endReordering();
         mCancelTap = false;
-        mScrollAbortedFromIntercept = false;
         mTouchState = TOUCH_STATE_REST;
         mActivePointerId = INVALID_POINTER;
     }
@@ -2176,27 +2176,33 @@
     }
 
     protected void snapToPageImmediately(int whichPage) {
-        snapToPage(whichPage, PAGE_SNAP_ANIMATION_DURATION, true);
+        snapToPage(whichPage, PAGE_SNAP_ANIMATION_DURATION, true, null);
     }
 
     protected void snapToPage(int whichPage, int duration) {
-        snapToPage(whichPage, duration, false);
+        snapToPage(whichPage, duration, false, null);
     }
 
-    protected void snapToPage(int whichPage, int duration, boolean immediate) {
+    protected void snapToPage(int whichPage, int duration, TimeInterpolator interpolator) {
+        snapToPage(whichPage, duration, false, interpolator);
+    }
+
+    protected void snapToPage(int whichPage, int duration, boolean immediate,
+            TimeInterpolator interpolator) {
         whichPage = Math.max(0, Math.min(whichPage, getPageCount() - 1));
 
         int newX = getScrollForPage(whichPage);
         final int sX = mUnboundedScrollX;
         final int delta = newX - sX;
-        snapToPage(whichPage, delta, duration, immediate);
+        snapToPage(whichPage, delta, duration, immediate, interpolator);
     }
 
     protected void snapToPage(int whichPage, int delta, int duration) {
-        snapToPage(whichPage, delta, duration, false);
+        snapToPage(whichPage, delta, duration, false, null);
     }
 
-    protected void snapToPage(int whichPage, int delta, int duration, boolean immediate) {
+    protected void snapToPage(int whichPage, int delta, int duration, boolean immediate,
+            TimeInterpolator interpolator) {
         mNextPage = whichPage;
         View focusedChild = getFocusedChild();
         if (focusedChild != null && whichPage != mCurrentPage &&
@@ -2215,8 +2221,15 @@
         }
 
         if (!mScroller.isFinished()) {
-            mScroller.abortAnimation();
+            abortScrollerAnimation(false);
         }
+
+        if (interpolator != null) {
+            mScroller.setInterpolator(interpolator);
+        } else {
+            mScroller.setInterpolator(mDefaultInterpolator);
+        }
+
         mScroller.startScroll(mUnboundedScrollX, 0, delta, 0, duration);
 
         notifyPageSwitchListener();
@@ -2472,7 +2485,8 @@
             mDragView = getChildAt(dragViewIndex);
             mDragView.animate().scaleX(1.15f).scaleY(1.15f).setDuration(100).start();
             mDragViewBaselineLeft = mDragView.getLeft();
-            disableFreeScroll(-1);
+            snapToPage(getPageNearestToCenterOfScreen());
+            disableFreeScroll();
             onStartReordering();
             return true;
         }
diff --git a/src/com/android/launcher3/RampUpScroller.java b/src/com/android/launcher3/RampUpScroller.java
deleted file mode 100644
index 89eb579..0000000
--- a/src/com/android/launcher3/RampUpScroller.java
+++ /dev/null
@@ -1,120 +0,0 @@
-/*
- * Copyright (C) 2013 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package com.android.launcher3;
-
-import android.view.animation.AccelerateInterpolator;
-import android.view.animation.AnimationUtils;
-import android.view.animation.Interpolator;
-
-/**
- * Scroller that gradually reaches a target velocity.
- */
-class RampUpScroller {
-    private final Interpolator mInterpolator;
-    private final long mRampUpTime;
-
-    private long mStartTime;
-    private long mDeltaTime;
-    private float mTargetVelocityX;
-    private float mTargetVelocityY;
-    private int mDeltaX;
-    private int mDeltaY;
-
-    /**
-     * Creates a new ramp-up scroller that reaches full velocity after a
-     * specified duration.
-     *
-     * @param rampUpTime Duration before the scroller reaches target velocity.
-     */
-    public RampUpScroller(long rampUpTime) {
-        mInterpolator = new AccelerateInterpolator();
-        mRampUpTime = rampUpTime;
-    }
-
-    /**
-     * Starts the scroller at the current animation time.
-     */
-    public void start() {
-        mStartTime = AnimationUtils.currentAnimationTimeMillis();
-        mDeltaTime = mStartTime;
-    }
-
-    /**
-     * Computes the current scroll deltas. This usually only be called after
-     * starting the scroller with {@link #start()}.
-     *
-     * @see #getDeltaX()
-     * @see #getDeltaY()
-     */
-    public void computeScrollDelta() {
-        final long currentTime = AnimationUtils.currentAnimationTimeMillis();
-        final long elapsedSinceStart = currentTime - mStartTime;
-        final float scale;
-        if (elapsedSinceStart < mRampUpTime) {
-            scale = mInterpolator.getInterpolation((float) elapsedSinceStart / mRampUpTime);
-        } else {
-            scale = 1f;
-        }
-
-        final long elapsedSinceDelta = currentTime - mDeltaTime;
-        mDeltaTime = currentTime;
-
-        mDeltaX = (int) (elapsedSinceDelta * scale * mTargetVelocityX);
-        mDeltaY = (int) (elapsedSinceDelta * scale * mTargetVelocityY);
-    }
-
-    /**
-     * Sets the target velocity for this scroller.
-     *
-     * @param x The target X velocity in pixels per millisecond.
-     * @param y The target Y velocity in pixels per millisecond.
-     */
-    public void setTargetVelocity(float x, float y) {
-        mTargetVelocityX = x;
-        mTargetVelocityY = y;
-    }
-
-    /**
-     * @return The target X velocity for this scroller.
-     */
-    public float getTargetVelocityX() {
-        return mTargetVelocityX;
-    }
-
-    /**
-     * @return The target Y velocity for this scroller.
-     */
-    public float getTargetVelocityY() {
-        return mTargetVelocityY;
-    }
-
-    /**
-     * The distance traveled in the X-coordinate computed by the last call to
-     * {@link #computeScrollDelta()}.
-     */
-    public int getDeltaX() {
-        return mDeltaX;
-    }
-
-    /**
-     * The distance traveled in the Y-coordinate computed by the last call to
-     * {@link #computeScrollDelta()}.
-     */
-    public int getDeltaY() {
-        return mDeltaY;
-    }
-}
diff --git a/src/com/android/launcher3/SmoothPagedView.java b/src/com/android/launcher3/SmoothPagedView.java
index 64dcb34..4e331aa 100644
--- a/src/com/android/launcher3/SmoothPagedView.java
+++ b/src/com/android/launcher3/SmoothPagedView.java
@@ -19,7 +19,6 @@
 import android.content.Context;
 import android.util.AttributeSet;
 import android.view.animation.Interpolator;
-import android.widget.Scroller;
 
 public abstract class SmoothPagedView extends PagedView {
     private static final float SMOOTHING_SPEED = 0.75f;
@@ -100,7 +99,7 @@
             mBaseLineFlingVelocity = 2500.0f;
             mFlingVelocityInfluence = 0.4f;
             mScrollInterpolator = new OvershootInterpolator();
-            mScroller = new Scroller(getContext(), mScrollInterpolator);
+            setDefaultInterpolator(mScrollInterpolator);
         }
     }
 
diff --git a/src/com/android/launcher3/Workspace.java b/src/com/android/launcher3/Workspace.java
index 6c346c4..b8af9ad 100644
--- a/src/com/android/launcher3/Workspace.java
+++ b/src/com/android/launcher3/Workspace.java
@@ -31,7 +31,6 @@
 import android.appwidget.AppWidgetProviderInfo;
 import android.content.ComponentName;
 import android.content.Context;
-import android.content.Intent;
 import android.content.SharedPreferences;
 import android.content.res.Resources;
 import android.content.res.TypedArray;
@@ -55,10 +54,7 @@
 import android.view.MotionEvent;
 import android.view.View;
 import android.view.ViewGroup;
-import android.view.View.OnClickListener;
-import android.view.accessibility.AccessibilityEvent;
 import android.view.accessibility.AccessibilityManager;
-import android.view.accessibility.AccessibilityNodeInfo;
 import android.view.animation.DecelerateInterpolator;
 import android.view.animation.Interpolator;
 import android.widget.TextView;
@@ -338,6 +334,14 @@
     @Override
     public void setInsets(Rect insets) {
         mInsets.set(insets);
+
+        CellLayout customScreen = getScreenWithId(CUSTOM_CONTENT_SCREEN_ID);
+        if (customScreen != null) {
+            View customContent = customScreen.getShortcutsAndWidgets().getChildAt(0);
+            if (customContent instanceof Insettable) {
+                ((Insettable) customContent).setInsets(mInsets);
+            }
+        }
     }
 
     // estimate the size of a widget with spans hSpan, vSpan. return MAX_VALUE for each
@@ -534,6 +538,10 @@
     }
 
     public long insertNewWorkspaceScreen(long screenId, int insertIndex) {
+        // Log to disk
+        Launcher.addDumpLog(TAG, "11683562 - insertNewWorkspaceScreen(): " + screenId +
+                " at index: " + insertIndex, true);
+
         if (mWorkspaceScreens.containsKey(screenId)) {
             throw new RuntimeException("Screen id " + screenId + " already exists!");
         }
@@ -619,6 +627,12 @@
         if (customContent instanceof Insettable) {
             ((Insettable)customContent).setInsets(mInsets);
         }
+
+        // Verify that the child is removed from any existing parent.
+        if (customContent.getParent() instanceof ViewGroup) {
+            ViewGroup parent = (ViewGroup) customContent.getParent();
+            parent.removeView(customContent);
+        }
         customScreen.removeAllViews();
         customScreen.addViewToCellLayout(customContent, 0, 0, lp, true);
         mCustomContentDescription = description;
@@ -627,6 +641,9 @@
     }
 
     public void addExtraEmptyScreenOnDrag() {
+        // Log to disk
+        Launcher.addDumpLog(TAG, "11683562 - addExtraEmptyScreenOnDrag()", true);
+
         boolean lastChildOnScreen = false;
         boolean childOnFinalScreen = false;
 
@@ -653,6 +670,9 @@
     }
 
     public boolean addExtraEmptyScreen() {
+        // Log to disk
+        Launcher.addDumpLog(TAG, "11683562 - addExtraEmptyScreen()", true);
+
         if (!mWorkspaceScreens.containsKey(EXTRA_EMPTY_SCREEN_ID)) {
             insertNewWorkspaceScreen(EXTRA_EMPTY_SCREEN_ID);
             return true;
@@ -661,6 +681,9 @@
     }
 
     private void convertFinalScreenToEmptyScreenIfNecessary() {
+        // Log to disk
+        Launcher.addDumpLog(TAG, "11683562 - convertFinalScreenToEmptyScreenIfNecessary()", true);
+
         if (hasExtraEmptyScreen() || mScreenOrder.size() == 0) return;
         long finalScreenId = mScreenOrder.get(mScreenOrder.size() - 1);
 
@@ -676,6 +699,10 @@
             // if this is the last non-custom content screen, convert it to the empty screen
             mWorkspaceScreens.put(EXTRA_EMPTY_SCREEN_ID, finalScreen);
             mScreenOrder.add(EXTRA_EMPTY_SCREEN_ID);
+
+            // Update the model if we have changed any screens
+            mLauncher.getModel().updateWorkspaceScreenOrder(mLauncher, mScreenOrder);
+            Launcher.addDumpLog(TAG, "11683562 -   extra empty screen: " + finalScreenId, true);
         }
     }
 
@@ -685,6 +712,8 @@
 
     public void removeExtraEmptyScreen(final boolean animate, final Runnable onComplete,
             final int delay, final boolean stripEmptyScreens) {
+        // Log to disk
+        Launcher.addDumpLog(TAG, "11683562 - removeExtraEmptyScreen()", true);
         if (delay > 0) {
             postDelayed(new Runnable() {
                 @Override
@@ -708,7 +737,12 @@
                         onComplete, stripEmptyScreens);
             }
             return;
+        } else if (stripEmptyScreens) {
+            // If we're not going to strip the empty screens after removing
+            // the extra empty screen, do it right away.
+            stripEmptyScreens();
         }
+
         if (onComplete != null) {
             onComplete.run();
         }
@@ -716,6 +750,9 @@
 
     private void fadeAndRemoveEmptyScreen(int delay, int duration, final Runnable onComplete,
             final boolean stripEmptyScreens) {
+        // Log to disk
+        // XXX: Do we need to update LM workspace screens below?
+        Launcher.addDumpLog(TAG, "11683562 - fadeAndRemoveEmptyScreen()", true);
         PropertyValuesHolder alpha = PropertyValuesHolder.ofFloat("alpha", 0f);
         PropertyValuesHolder bgAlpha = PropertyValuesHolder.ofFloat("backgroundAlpha", 0f);
 
@@ -759,6 +796,9 @@
     }
 
     public long commitExtraEmptyScreen() {
+        // Log to disk
+        Launcher.addDumpLog(TAG, "11683562 - commitExtraEmptyScreen()", true);
+
         int index = getPageIndexForScreenId(EXTRA_EMPTY_SCREEN_ID);
         CellLayout cl = mWorkspaceScreens.get(EXTRA_EMPTY_SCREEN_ID);
         mWorkspaceScreens.remove(EXTRA_EMPTY_SCREEN_ID);
@@ -811,6 +851,9 @@
     }
 
     public void stripEmptyScreens() {
+        // Log to disk
+        Launcher.addDumpLog(TAG, "11683562 - stripEmptyScreens()", true);
+
         if (isPageMoving()) {
             mStripScreensOnPageStopMoving = true;
             return;
@@ -831,6 +874,7 @@
 
         int pageShift = 0;
         for (Long id: removeScreens) {
+            Launcher.addDumpLog(TAG, "11683562 -   removing id: " + id, true);
             CellLayout cl = mWorkspaceScreens.get(id);
             mWorkspaceScreens.remove(id);
             mScreenOrder.remove(id);
@@ -949,7 +993,9 @@
         }
 
         // Get the canonical child id to uniquely represent this view in this screen
-        int childId = LauncherModel.getCellLayoutChildId(container, screenId, x, y, spanX, spanY);
+        ItemInfo info = (ItemInfo) child.getTag();
+        int childId = mLauncher.getViewIdForItem(info);
+
         boolean markCellsAsOccupied = !(child instanceof Folder);
         if (!layout.addViewToCellLayout(child, insert ? 0 : -1, childId, lp, markCellsAsOccupied)) {
             // TODO: This branch occurs when the workspace is adding views
@@ -2073,7 +2119,7 @@
         mNewScale = 1.0f;
 
         if (oldStateIsOverview) {
-            disableFreeScroll(snapPage);
+            disableFreeScroll();
         } else if (stateIsOverview) {
             enableFreeScroll();
         }
@@ -2100,15 +2146,20 @@
             duration = getResources().getInteger(R.integer.config_appsCustomizeWorkspaceShrinkTime);
         }
 
+        if (snapPage == -1) {
+            snapPage = getPageNearestToCenterOfScreen();
+        }
+        snapToPage(snapPage, duration, mZoomInInterpolator);
+
         for (int i = 0; i < getChildCount(); i++) {
             final CellLayout cl = (CellLayout) getChildAt(i);
-            boolean isCurrentPage = (i == getNextPage());
+            boolean isCurrentPage = (i == snapPage);
             float initialAlpha = cl.getShortcutsAndWidgets().getAlpha();
             float finalAlpha;
             if (stateIsSmall) {
                 finalAlpha = 0f;
             } else if (stateIsNormal && mWorkspaceFadeInAdjacentScreens) {
-                finalAlpha = i == getNextPage() ? 1f : 0f;
+                finalAlpha = (i == snapPage || i < numCustomPages()) ? 1f : 0f;
             } else {
                 finalAlpha = 1f;
             }
@@ -2140,6 +2191,7 @@
         final View searchBar = mLauncher.getQsbBar();
         final View overviewPanel = mLauncher.getOverviewPanel();
         final View hotseat = mLauncher.getHotseat();
+        final View pageIndicator = getPageIndicator();
         if (animated) {
             anim.setDuration(duration);
             LauncherViewPropertyAnimator scale = new LauncherViewPropertyAnimator(this);
@@ -2179,31 +2231,36 @@
                     }
                 }
             }
-            ObjectAnimator pageIndicatorAlpha = null;
-            if (getPageIndicator() != null) {
-                pageIndicatorAlpha = ObjectAnimator.ofFloat(getPageIndicator(), "alpha",
-                        finalHotseatAndPageIndicatorAlpha);
+            Animator pageIndicatorAlpha = null;
+            if (pageIndicator != null) {
+                pageIndicatorAlpha = new LauncherViewPropertyAnimator(pageIndicator)
+                    .alpha(finalHotseatAndPageIndicatorAlpha).withLayer();
+            } else {
+                // create a dummy animation so we don't need to do null checks later
+                pageIndicatorAlpha = ValueAnimator.ofFloat(0, 0);
             }
-            ObjectAnimator hotseatAlpha = ObjectAnimator.ofFloat(hotseat, "alpha",
-                    finalHotseatAndPageIndicatorAlpha);
-            ObjectAnimator searchBarAlpha = ObjectAnimator.ofFloat(searchBar,
-                    "alpha", finalSearchBarAlpha);
-            ObjectAnimator overviewPanelAlpha = ObjectAnimator.ofFloat(overviewPanel,
-                    "alpha", finalOverviewPanelAlpha);
+            Animator hotseatAlpha = new LauncherViewPropertyAnimator(hotseat)
+                .alpha(finalHotseatAndPageIndicatorAlpha).withLayer();
+            Animator searchBarAlpha = new LauncherViewPropertyAnimator(searchBar)
+                .alpha(finalSearchBarAlpha).withLayer();
+            Animator overviewPanelAlpha = new LauncherViewPropertyAnimator(overviewPanel)
+                .alpha(finalOverviewPanelAlpha).withLayer();
 
-            overviewPanelAlpha.addListener(new AlphaUpdateListener(overviewPanel));
+            pageIndicatorAlpha.addListener(new AlphaUpdateListener(pageIndicator));
             hotseatAlpha.addListener(new AlphaUpdateListener(hotseat));
             searchBarAlpha.addListener(new AlphaUpdateListener(searchBar));
+            overviewPanelAlpha.addListener(new AlphaUpdateListener(overviewPanel));
 
             if (workspaceToOverview) {
+                pageIndicatorAlpha.setInterpolator(new DecelerateInterpolator(2));
                 hotseatAlpha.setInterpolator(new DecelerateInterpolator(2));
+                overviewPanelAlpha.setInterpolator(null);
             } else if (overviewToWorkspace) {
+                pageIndicatorAlpha.setInterpolator(null);
+                hotseatAlpha.setInterpolator(null);
                 overviewPanelAlpha.setInterpolator(new DecelerateInterpolator(2));
             }
-
-            if (getPageIndicator() != null) {
-                pageIndicatorAlpha.addListener(new AlphaUpdateListener(getPageIndicator()));
-            }
+            searchBarAlpha.setInterpolator(null);
 
             anim.play(overviewPanelAlpha);
             anim.play(hotseatAlpha);
@@ -2215,9 +2272,9 @@
             AlphaUpdateListener.updateVisibility(overviewPanel);
             hotseat.setAlpha(finalHotseatAndPageIndicatorAlpha);
             AlphaUpdateListener.updateVisibility(hotseat);
-            if (getPageIndicator() != null) {
-                getPageIndicator().setAlpha(finalHotseatAndPageIndicatorAlpha);
-                AlphaUpdateListener.updateVisibility(getPageIndicator());
+            if (pageIndicator != null) {
+                pageIndicator.setAlpha(finalHotseatAndPageIndicatorAlpha);
+                AlphaUpdateListener.updateVisibility(pageIndicator);
             }
             searchBar.setAlpha(finalSearchBarAlpha);
             AlphaUpdateListener.updateVisibility(searchBar);
@@ -2333,7 +2390,9 @@
     void hideCustomContentIfNecessary() {
         boolean hide  = mState != Workspace.State.NORMAL;
         if (hide && hasCustomContent()) {
+            disableLayoutTransitions();
             mWorkspaceScreens.get(CUSTOM_CONTENT_SCREEN_ID).setVisibility(INVISIBLE);
+            enableLayoutTransitions();
         }
     }
 
@@ -2349,6 +2408,11 @@
                 final CellLayout cl = (CellLayout) getChildAt(i);
                 cl.setShortcutAndWidgetAlpha(1f);
             }
+        } else {
+            for (int i = 0; i < numCustomPages(); i++) {
+                final CellLayout cl = (CellLayout) getChildAt(i);
+                cl.setShortcutAndWidgetAlpha(1f);
+            }
         }
         showCustomContentIfNecessary();
     }
@@ -2543,8 +2607,9 @@
             throw new IllegalStateException(msg);
         }
 
-        mDragController.startDrag(b, dragLayerX, dragLayerY, source, child.getTag(),
+        DragView dv = mDragController.startDrag(b, dragLayerX, dragLayerY, source, child.getTag(),
                 DragController.DRAG_ACTION_MOVE, dragVisualizeOffset, dragRect, scale);
+        dv.setIntrinsicIconScaleFactor(source.getIntrinsicIconScaleFactor());
 
         if (child.getParent() instanceof ShortcutAndWidgetContainer) {
             mDragSourceInternal = (ShortcutAndWidgetContainer) child.getParent();
@@ -2890,8 +2955,6 @@
                     lp.cellHSpan = item.spanX;
                     lp.cellVSpan = item.spanY;
                     lp.isLockedToGrid = true;
-                    cell.setId(LauncherModel.getCellLayoutChildId(container, mDragInfo.screenId,
-                            mTargetCell[0], mTargetCell[1], mDragInfo.spanX, mDragInfo.spanY));
 
                     if (container != LauncherSettings.Favorites.CONTAINER_HOTSEAT &&
                             cell instanceof LauncherAppWidgetHostView) {
@@ -3914,7 +3977,7 @@
         return mDragInfo;
     }
 
-    public int getRestorePage() {
+    public int getCurrentPageOffsetFromCustomContent() {
         return getNextPage() - numCustomPages();
     }
 
@@ -4148,6 +4211,11 @@
     }
 
     @Override
+    public float getIntrinsicIconScaleFactor() {
+        return 1f;
+    }
+
+    @Override
     public boolean supportsFlingToDelete() {
         return true;
     }
@@ -4568,6 +4636,7 @@
                 child.requestFocus();
             }
          }
+        exitWidgetResizeMode();
     }
 
     @Override