diff --git a/src/com/android/launcher3/CellLayout.java b/src/com/android/launcher3/CellLayout.java
index ad4cae4..e184a91 100644
--- a/src/com/android/launcher3/CellLayout.java
+++ b/src/com/android/launcher3/CellLayout.java
@@ -148,7 +148,8 @@
     private boolean mVisualizeDropLocation = true;
     private RectF mVisualizeGridRect = new RectF();
     private Paint mVisualizeGridPaint = new Paint();
-    private int mGridVisualizationPadding;
+    private int mGridVisualizationPaddingX;
+    private int mGridVisualizationPaddingY;
     private int mGridVisualizationRoundingRadius;
     private float mGridAlpha = 0f;
     private int mGridColor = 0;
@@ -275,8 +276,10 @@
         mBackground.setAlpha(0);
 
         mGridColor = Themes.getAttrColor(getContext(), R.attr.workspaceAccentColor);
-        mGridVisualizationPadding =
-                res.getDimensionPixelSize(R.dimen.grid_visualization_cell_spacing);
+        mGridVisualizationPaddingX = res.getDimensionPixelSize(
+                R.dimen.grid_visualization_horizontal_cell_spacing);
+        mGridVisualizationPaddingY = res.getDimensionPixelSize(
+                R.dimen.grid_visualization_vertical_cell_spacing);
         mGridVisualizationRoundingRadius =
                 res.getDimensionPixelSize(R.dimen.grid_visualization_rounding_radius);
         mReorderPreviewAnimationMagnitude = (REORDER_PREVIEW_MAGNITUDE * deviceProfile.iconSizePx);
@@ -573,8 +576,8 @@
 
     protected void visualizeGrid(Canvas canvas) {
         DeviceProfile dp = mActivity.getDeviceProfile();
-        int paddingX = (int) Math.min((mCellWidth - dp.iconSizePx) / 2, mGridVisualizationPadding);
-        int paddingY = (int) Math.min((mCellHeight - dp.iconSizePx) / 2, mGridVisualizationPadding);
+        int paddingX = Math.min((mCellWidth - dp.iconSizePx) / 2, mGridVisualizationPaddingX);
+        int paddingY = Math.min((mCellHeight - dp.iconSizePx) / 2, mGridVisualizationPaddingY);
         mVisualizeGridRect.set(paddingX, paddingY,
                 mCellWidth - paddingX,
                 mCellHeight - paddingY);
diff --git a/src/com/android/launcher3/DeviceProfile.java b/src/com/android/launcher3/DeviceProfile.java
index 622d750..514490a 100644
--- a/src/com/android/launcher3/DeviceProfile.java
+++ b/src/com/android/launcher3/DeviceProfile.java
@@ -94,18 +94,16 @@
     private static final float TALL_DEVICE_EXTRA_SPACE_THRESHOLD_DP = 252;
     private static final float TALL_DEVICE_MORE_EXTRA_SPACE_THRESHOLD_DP = 268;
 
-    // To evenly space the icons, increase the left/right margins for tablets in portrait mode.
-    private static final int PORTRAIT_TABLET_LEFT_RIGHT_PADDING_MULTIPLIER = 4;
-
     // Workspace
     public final int desiredWorkspaceHorizontalMarginOriginalPx;
     public int desiredWorkspaceHorizontalMarginPx;
     public Point cellLayoutBorderSpaceOriginalPx;
     public Point cellLayoutBorderSpacePx;
-    public final int cellLayoutPaddingLeftRightPx;
-    public final int cellLayoutBottomPaddingPx;
+    public Rect cellLayoutPaddingPx = new Rect();
+
     public final int edgeMarginPx;
-    public float workspaceSpringLoadShrinkFactor;
+    public float workspaceSpringLoadShrunkTop;
+    public float workspaceSpringLoadShrunkBottom;
     public final int workspaceSpringLoadedBottomSpace;
 
     private final int extraSpace;
@@ -161,6 +159,7 @@
     public int hotseatBarSizePx;
     public int hotseatBarTopPaddingPx;
     public final int hotseatBarBottomPaddingPx;
+    public int springLoadedHotseatBarTopMarginPx;
     // Start is the side next to the nav bar, end is the side next to the workspace
     public final int hotseatBarSidePaddingStartPx;
     public final int hotseatBarSidePaddingEndPx;
@@ -206,8 +205,13 @@
 
     // Drop Target
     public int dropTargetBarSizePx;
+    public int dropTargetBarTopMarginPx;
+    public int dropTargetBarBottomMarginPx;
     public int dropTargetDragPaddingPx;
     public int dropTargetTextSizePx;
+    public int dropTargetHorizontalPaddingPx;
+    public int dropTargetVerticalPaddingPx;
+    public int dropTargetGapPx;
 
     // Insets
     private final Rect mInsets = new Rect();
@@ -318,23 +322,6 @@
         folderCellLayoutBorderSpacePx = new Point(folderCellLayoutBorderSpaceOriginalPx,
                 folderCellLayoutBorderSpaceOriginalPx);
 
-        int cellLayoutPaddingLeftRightMultiplier = !isVerticalBarLayout() && isTablet
-                ? PORTRAIT_TABLET_LEFT_RIGHT_PADDING_MULTIPLIER : 1;
-        int cellLayoutPadding = isScalableGrid
-                ? 0
-                : res.getDimensionPixelSize(R.dimen.dynamic_grid_cell_layout_padding);
-
-        if (isTwoPanels) {
-            cellLayoutPaddingLeftRightPx = 0;
-            cellLayoutBottomPaddingPx = 0;
-        } else if (isLandscape) {
-            cellLayoutPaddingLeftRightPx = 0;
-            cellLayoutBottomPaddingPx = cellLayoutPadding;
-        } else {
-            cellLayoutPaddingLeftRightPx = cellLayoutPaddingLeftRightMultiplier * cellLayoutPadding;
-            cellLayoutBottomPaddingPx = 0;
-        }
-
         workspacePageIndicatorHeight = res.getDimensionPixelSize(
                 R.dimen.workspace_page_indicator_height);
         mWorkspacePageIndicatorOverlapWorkspace =
@@ -344,8 +331,15 @@
                 res.getDimensionPixelSize(R.dimen.dynamic_grid_icon_drawable_padding);
 
         dropTargetBarSizePx = res.getDimensionPixelSize(R.dimen.dynamic_grid_drop_target_size);
+        dropTargetBarTopMarginPx = res.getDimensionPixelSize(R.dimen.drop_target_top_margin);
+        dropTargetBarBottomMarginPx = res.getDimensionPixelSize(R.dimen.drop_target_bottom_margin);
         dropTargetDragPaddingPx = res.getDimensionPixelSize(R.dimen.drop_target_drag_padding);
         dropTargetTextSizePx = res.getDimensionPixelSize(R.dimen.drop_target_text_size);
+        dropTargetHorizontalPaddingPx = res.getDimensionPixelSize(
+                R.dimen.drop_target_button_drawable_horizontal_padding);
+        dropTargetVerticalPaddingPx = res.getDimensionPixelSize(
+                R.dimen.drop_target_button_drawable_vertical_padding);
+        dropTargetGapPx = res.getDimensionPixelSize(R.dimen.drop_target_button_gap);
 
         workspaceSpringLoadedBottomSpace =
                 res.getDimensionPixelSize(R.dimen.dynamic_grid_min_spring_loaded_space);
@@ -383,6 +377,8 @@
                     + res.getDimensionPixelSize(R.dimen.dynamic_grid_hotseat_bottom_padding);
             qsbWidth = 0;
         }
+        springLoadedHotseatBarTopMarginPx = res.getDimensionPixelSize(
+                R.dimen.spring_loaded_hotseat_top_margin);
         hotseatBarSidePaddingEndPx =
                 res.getDimensionPixelSize(R.dimen.dynamic_grid_hotseat_side_padding);
         // Add a bit of space between nav bar and hotseat in vertical bar layout.
@@ -476,6 +472,12 @@
             // Recalculate the available dimensions using the new hotseat size.
             updateAvailableDimensions(res);
         }
+
+        int cellLayoutPadding =
+                isTwoPanels ? cellLayoutBorderSpacePx.x / 2 : res.getDimensionPixelSize(
+                        R.dimen.cell_layout_padding);
+        cellLayoutPaddingPx = new Rect(cellLayoutPadding, cellLayoutPadding, cellLayoutPadding,
+                cellLayoutPadding);
         updateWorkspacePadding();
 
         flingToDeleteThresholdVelocity = res.getDimensionPixelSize(
@@ -586,7 +588,6 @@
         float appWidgetScaleX = (float) profile.getCellSize().x / getCellSize().x;
         float appWidgetScaleY = (float) profile.getCellSize().y / getCellSize().y;
         profile.appWidgetScale.set(appWidgetScaleX, appWidgetScaleY);
-        profile.updateWorkspacePadding();
 
         return profile;
     }
@@ -621,18 +622,18 @@
     }
 
     private void updateAllAppsWidth(Resources res) {
-
+        int cellLayoutHorizontalPadding =
+                (cellLayoutPaddingPx.left + cellLayoutPaddingPx.right) / 2;
         if (isTablet) {
-            allAppsLeftRightPadding =
-                    res.getDimensionPixelSize(R.dimen.all_apps_bottom_sheet_horizontal_padding)
-                            + cellLayoutPaddingLeftRightPx;
+            allAppsLeftRightPadding = res.getDimensionPixelSize(
+                    R.dimen.all_apps_bottom_sheet_horizontal_padding) + cellLayoutHorizontalPadding;
             int usedWidth = (allAppsCellWidthPx * numShownAllAppsColumns)
                     + (allAppsBorderSpacePx.x * (numShownAllAppsColumns + 1))
                     + allAppsLeftRightPadding * 2;
             allAppsLeftRightMargin = Math.max(1, (availableWidthPx - usedWidth) / 2);
         } else {
             allAppsLeftRightPadding =
-                    desiredWorkspaceHorizontalMarginPx + cellLayoutPaddingLeftRightPx;
+                    desiredWorkspaceHorizontalMarginPx + cellLayoutHorizontalPadding;
         }
     }
 
@@ -642,11 +643,12 @@
     private int updateAvailableDimensions(Resources res) {
         updateIconSize(1f, res);
 
+        updateWorkspacePadding();
         Point workspacePadding = getTotalWorkspacePadding();
 
         // Check to see if the icons fit within the available height.
         float usedHeight = getCellLayoutHeight();
-        final int maxHeight = availableHeightPx - workspacePadding.y;
+        final int maxHeight = getWorkspaceHeight(workspacePadding);
         float extraHeight = Math.max(0, maxHeight - usedHeight);
         float scaleY = maxHeight / usedHeight;
         boolean shouldScale = scaleY < 1f;
@@ -656,10 +658,7 @@
             // We scale to fit the cellWidth and cellHeight in the available space.
             // The benefit of scalable grids is that we can get consistent aspect ratios between
             // devices.
-            int numColumns = isTwoPanels ? inv.numColumns * 2 : inv.numColumns;
-            float usedWidth = (cellWidthPx * numColumns)
-                    + (cellLayoutBorderSpacePx.x * (numColumns - 1))
-                    + (desiredWorkspaceHorizontalMarginPx * 2);
+            float usedWidth = getCellLayoutWidth() + (desiredWorkspaceHorizontalMarginPx * 2);
             // We do not subtract padding here, as we also scale the workspace padding if needed.
             scaleX = availableWidthPx / usedWidth;
             shouldScale = true;
@@ -676,7 +675,14 @@
     }
 
     private int getCellLayoutHeight() {
-        return (cellHeightPx * inv.numRows) + (cellLayoutBorderSpacePx.y * (inv.numRows - 1));
+        return (cellHeightPx * inv.numRows) + (cellLayoutBorderSpacePx.y * (inv.numRows - 1))
+                + cellLayoutPaddingPx.top + cellLayoutPaddingPx.bottom;
+    }
+
+    private int getCellLayoutWidth() {
+        int numColumns = isTwoPanels ? inv.numColumns * 2 : inv.numColumns;
+        return (cellWidthPx * numColumns) + (cellLayoutBorderSpacePx.x * (numColumns - 1))
+                + cellLayoutPaddingPx.left + cellLayoutPaddingPx.right;
     }
 
     /**
@@ -736,18 +742,6 @@
         }
         updateHotseatIconSize(iconSizePx);
 
-        if (!isVerticalLayout) {
-            int expectedWorkspaceHeight = availableHeightPx - hotseatBarSizePx
-                    - workspacePageIndicatorHeight - edgeMarginPx;
-            float minRequiredHeight = dropTargetBarSizePx + workspaceSpringLoadedBottomSpace;
-            workspaceSpringLoadShrinkFactor = Math.min(
-                    res.getInteger(R.integer.config_workspaceSpringLoadShrinkPercentage) / 100.0f,
-                    1 - (minRequiredHeight / expectedWorkspaceHeight));
-        } else {
-            workspaceSpringLoadShrinkFactor =
-                    res.getInteger(R.integer.config_workspaceSpringLoadShrinkPercentage) / 100.0f;
-        }
-
         // Folder icon
         folderIconSizePx = IconNormalizer.getNormalizedCircleSize(iconSizePx);
         folderIconOffsetYPx = (iconSizePx - folderIconSizePx) / 2;
@@ -848,7 +842,6 @@
 
     public void updateInsets(Rect insets) {
         mInsets.set(insets);
-        updateWorkspacePadding();
     }
 
     /**
@@ -875,23 +868,62 @@
         int numColumns = isTwoPanels ? inv.numColumns * 2 : inv.numColumns;
         int screenWidthPx = getWorkspaceWidth(padding);
         result.x = calculateCellWidth(screenWidthPx, cellLayoutBorderSpacePx.x, numColumns);
-        result.y = calculateCellHeight(availableHeightPx - padding.y
-                - cellLayoutBottomPaddingPx, cellLayoutBorderSpacePx.y, inv.numRows);
+        int screenHeightPx = getWorkspaceHeight(padding);
+        result.y = calculateCellHeight(screenHeightPx, cellLayoutBorderSpacePx.y, inv.numRows);
         return result;
     }
 
+    /**
+     * Gets the space in px from the bottom of last item in the vertical-bar hotseat to the
+     * bottom of the screen.
+     */
+    public int getVerticalHotseatLastItemBottomOffset() {
+        int cellHeight = calculateCellHeight(
+                heightPx - mHotseatPadding.top - mHotseatPadding.bottom, hotseatBorderSpace,
+                numShownHotseatIcons);
+        int hotseatSize = (cellHeight * numShownHotseatIcons)
+                + (hotseatBorderSpace * (numShownHotseatIcons - 1));
+        int extraHotseatEndSpacing = (heightPx - hotseatSize) / 2;
+        int extraIconEndSpacing = (cellHeight - iconSizePx) / 2;
+        return extraHotseatEndSpacing + extraIconEndSpacing + mHotseatPadding.bottom;
+    }
+
+    /**
+     * Gets the scaled top of the workspace in px for the spring-loaded edit state.
+     */
+    public float getWorkspaceSpringLoadShrunkTop() {
+        workspaceSpringLoadShrunkTop = mInsets.top + dropTargetBarTopMarginPx + dropTargetBarSizePx
+                + dropTargetBarBottomMarginPx;
+        return workspaceSpringLoadShrunkTop;
+    }
+
+    /**
+     * Gets the scaled bottom of the workspace in px for the spring-loaded edit state.
+     */
+    public float getWorkspaceSpringLoadShrunkBottom() {
+        int topOfHotseat = hotseatBarSizePx + springLoadedHotseatBarTopMarginPx;
+        workspaceSpringLoadShrunkBottom =
+                heightPx - (isVerticalBarLayout() ? getVerticalHotseatLastItemBottomOffset()
+                        : topOfHotseat);
+        return workspaceSpringLoadShrunkBottom;
+    }
+
     public int getWorkspaceWidth() {
         return getWorkspaceWidth(getTotalWorkspacePadding());
     }
 
     public int getWorkspaceWidth(Point workspacePadding) {
         int cellLayoutTotalPadding =
-                isTwoPanels ? 4 * cellLayoutPaddingLeftRightPx : 2 * cellLayoutPaddingLeftRightPx;
+                (isTwoPanels ? 2 : 1) * (cellLayoutPaddingPx.left + cellLayoutPaddingPx.right);
         return availableWidthPx - workspacePadding.x - cellLayoutTotalPadding;
     }
 
+    private int getWorkspaceHeight(Point workspacePadding) {
+        return availableHeightPx - workspacePadding.y - (cellLayoutPaddingPx.top
+                + cellLayoutPaddingPx.bottom);
+    }
+
     public Point getTotalWorkspacePadding() {
-        updateWorkspacePadding();
         return new Point(workspacePadding.left + workspacePadding.right,
                 workspacePadding.top + workspacePadding.bottom);
     }
@@ -917,12 +949,26 @@
             int hotseatTop = hotseatBarSizePx;
             int paddingBottom = hotseatTop + workspacePageIndicatorHeight
                     + workspaceBottomPadding - mWorkspacePageIndicatorOverlapWorkspace;
+            int paddingTop = workspaceTopPadding + (isScalableGrid ? 0 : edgeMarginPx);
+            int paddingSide = desiredWorkspaceHorizontalMarginPx;
 
-            padding.set(desiredWorkspaceHorizontalMarginPx,
-                    workspaceTopPadding + (isScalableGrid ? 0 : edgeMarginPx),
-                    desiredWorkspaceHorizontalMarginPx,
-                    paddingBottom);
+            padding.set(paddingSide, paddingTop, paddingSide, paddingBottom);
         }
+        insetPadding(workspacePadding, cellLayoutPaddingPx);
+    }
+
+    private void insetPadding(Rect paddings, Rect insets) {
+        insets.left = Math.min(insets.left, paddings.left);
+        paddings.left -= insets.left;
+
+        insets.top = Math.min(insets.top, paddings.top);
+        paddings.top -= insets.top;
+
+        insets.right = Math.min(insets.right, paddings.right);
+        paddings.right -= insets.right;
+
+        insets.bottom = Math.min(insets.bottom, paddings.bottom);
+        paddings.bottom -= insets.bottom;
     }
 
     /**
@@ -930,12 +976,14 @@
      */
     public Rect getHotseatLayoutPadding(Context context) {
         if (isVerticalBarLayout()) {
+            int paddingTop = Math.max(mInsets.top - cellLayoutPaddingPx.top, 0);
+            int paddingBottom = Math.max(mInsets.bottom - cellLayoutPaddingPx.bottom, 0);
             if (isSeascape()) {
-                mHotseatPadding.set(mInsets.left + hotseatBarSidePaddingStartPx,
-                        mInsets.top, hotseatBarSidePaddingEndPx, mInsets.bottom);
+                mHotseatPadding.set(mInsets.left + hotseatBarSidePaddingStartPx, paddingTop,
+                        hotseatBarSidePaddingEndPx, paddingBottom);
             } else {
-                mHotseatPadding.set(hotseatBarSidePaddingEndPx, mInsets.top,
-                        mInsets.right + hotseatBarSidePaddingStartPx, mInsets.bottom);
+                mHotseatPadding.set(hotseatBarSidePaddingEndPx, paddingTop,
+                        mInsets.right + hotseatBarSidePaddingStartPx, paddingBottom);
             }
         } else if (isTaskbarPresent) {
             int hotseatHeight = workspacePadding.bottom;
@@ -974,14 +1022,12 @@
             float workspaceCellWidth = (float) widthPx / inv.numColumns;
             float hotseatCellWidth = (float) widthPx / numShownHotseatIcons;
             int hotseatAdjustment = Math.round((workspaceCellWidth - hotseatCellWidth) / 2);
-            mHotseatPadding.set(
-                    hotseatAdjustment + workspacePadding.left + cellLayoutPaddingLeftRightPx
-                            + mInsets.left,
-                    hotseatBarTopPaddingPx,
-                    hotseatAdjustment + workspacePadding.right + cellLayoutPaddingLeftRightPx
+            mHotseatPadding.set(hotseatAdjustment + workspacePadding.left + cellLayoutPaddingPx.left
+                            + mInsets.left, hotseatBarTopPaddingPx,
+                    hotseatAdjustment + workspacePadding.right + cellLayoutPaddingPx.right
                             + mInsets.right,
                     hotseatBarSizePx - hotseatCellHeightPx - hotseatBarTopPaddingPx
-                            + cellLayoutBottomPaddingPx + mInsets.bottom);
+                            + mInsets.bottom);
         }
         return mHotseatPadding;
     }
@@ -1065,6 +1111,8 @@
                     .getInfo().rotation == Surface.ROTATION_270;
             if (mIsSeascape != isSeascape) {
                 mIsSeascape = isSeascape;
+                // Hotseat changing sides requires updating workspace left/right paddings
+                updateWorkspacePadding();
                 return true;
             }
         }
@@ -1143,6 +1191,11 @@
                 cellLayoutBorderSpacePx.x));
         writer.println(prefix + pxToDpStr("cellLayoutBorderSpacePx Vertical",
                 cellLayoutBorderSpacePx.y));
+        writer.println(prefix + pxToDpStr("cellLayoutPaddingPx.left", cellLayoutPaddingPx.left));
+        writer.println(prefix + pxToDpStr("cellLayoutPaddingPx.top", cellLayoutPaddingPx.top));
+        writer.println(prefix + pxToDpStr("cellLayoutPaddingPx.right", cellLayoutPaddingPx.right));
+        writer.println(
+                prefix + pxToDpStr("cellLayoutPaddingPx.bottom", cellLayoutPaddingPx.bottom));
 
         writer.println(prefix + pxToDpStr("iconSizePx", iconSizePx));
         writer.println(prefix + pxToDpStr("iconTextSizePx", iconTextSizePx));
@@ -1179,6 +1232,12 @@
                 hotseatBarSidePaddingStartPx));
         writer.println(prefix + pxToDpStr("hotseatBarSidePaddingEndPx",
                 hotseatBarSidePaddingEndPx));
+        writer.println(prefix + pxToDpStr("springLoadedHotseatBarTopMarginPx",
+                springLoadedHotseatBarTopMarginPx));
+        writer.println(prefix + pxToDpStr("mHotseatPadding.top", mHotseatPadding.top));
+        writer.println(prefix + pxToDpStr("mHotseatPadding.bottom", mHotseatPadding.bottom));
+        writer.println(prefix + pxToDpStr("mHotseatPadding.left", mHotseatPadding.left));
+        writer.println(prefix + pxToDpStr("mHotseatPadding.right", mHotseatPadding.right));
         writer.println(prefix + "\tnumShownHotseatIcons: " + numShownHotseatIcons);
         writer.println(prefix + pxToDpStr("hotseatBorderSpace", hotseatBorderSpace));
         writer.println(prefix + "\tisQsbInline: " + isQsbInline);
@@ -1229,6 +1288,16 @@
         writer.println(prefix + pxToDpStr("overviewPageSpacing", overviewPageSpacing));
         writer.println(prefix + pxToDpStr("overviewRowSpacing", overviewRowSpacing));
         writer.println(prefix + pxToDpStr("overviewGridSideMargin", overviewGridSideMargin));
+
+        writer.println(prefix + pxToDpStr("dropTargetBarTopMarginPx", dropTargetBarTopMarginPx));
+        writer.println(prefix + pxToDpStr("dropTargetBarSizePx", dropTargetBarSizePx));
+        writer.println(
+                prefix + pxToDpStr("dropTargetBarBottomMarginPx", dropTargetBarBottomMarginPx));
+
+        writer.println(
+                prefix + pxToDpStr("workspaceSpringLoadShrunkTop", workspaceSpringLoadShrunkTop));
+        writer.println(prefix + pxToDpStr("workspaceSpringLoadShrunkBottom",
+                workspaceSpringLoadShrunkBottom));
     }
 
     private static Context getContext(Context c, Info info, int orientation) {
diff --git a/src/com/android/launcher3/DropTargetBar.java b/src/com/android/launcher3/DropTargetBar.java
index 9fb14f6..73289fb 100644
--- a/src/com/android/launcher3/DropTargetBar.java
+++ b/src/com/android/launcher3/DropTargetBar.java
@@ -17,8 +17,6 @@
 package com.android.launcher3;
 
 import static com.android.launcher3.ButtonDropTarget.TOOLTIP_DEFAULT;
-import static com.android.launcher3.ButtonDropTarget.TOOLTIP_LEFT;
-import static com.android.launcher3.ButtonDropTarget.TOOLTIP_RIGHT;
 import static com.android.launcher3.anim.AlphaUpdateListener.updateVisibility;
 
 import android.animation.TimeInterpolator;
@@ -41,6 +39,8 @@
 import com.android.launcher3.dragndrop.DragOptions;
 import com.android.launcher3.testing.TestProtocol;
 
+import java.util.Arrays;
+
 /*
  * The top bar containing various drop targets: Delete/App Info/Uninstall.
  */
@@ -94,30 +94,28 @@
         lp.rightMargin = insets.right;
         int tooltipLocation = TOOLTIP_DEFAULT;
 
-        if (grid.isVerticalBarLayout()) {
-            lp.width = grid.dropTargetBarSizePx;
-            lp.height = grid.availableHeightPx - 2 * grid.edgeMarginPx;
-            lp.gravity = grid.isSeascape() ? Gravity.RIGHT : Gravity.LEFT;
-            tooltipLocation = grid.isSeascape() ? TOOLTIP_LEFT : TOOLTIP_RIGHT;
+        int horizontalMargin;
+        if (grid.isTablet) {
+            // XXX: If the icon size changes across orientations, we will have to take
+            //      that into account here too.
+            horizontalMargin = ((grid.widthPx - 2 * grid.edgeMarginPx
+                    - (grid.inv.numColumns * grid.cellWidthPx))
+                    / (2 * (grid.inv.numColumns + 1)))
+                    + grid.edgeMarginPx;
         } else {
-            int gap;
-            if (grid.isTablet) {
-                // XXX: If the icon size changes across orientations, we will have to take
-                //      that into account here too.
-                gap = ((grid.widthPx - 2 * grid.edgeMarginPx
-                        - (grid.inv.numColumns * grid.cellWidthPx))
-                        / (2 * (grid.inv.numColumns + 1)))
-                        + grid.edgeMarginPx;
-            } else {
-                gap = getContext().getResources()
-                        .getDimensionPixelSize(R.dimen.drop_target_bar_margin_horizontal);
-            }
-            lp.width = grid.availableWidthPx - 2 * gap;
-
-            lp.topMargin += grid.edgeMarginPx;
-            lp.height = grid.dropTargetBarSizePx;
-            lp.gravity = Gravity.CENTER_HORIZONTAL | Gravity.TOP;
+            horizontalMargin = getContext().getResources()
+                    .getDimensionPixelSize(R.dimen.drop_target_bar_margin_horizontal);
         }
+        lp.topMargin += grid.dropTargetBarTopMarginPx;
+        lp.bottomMargin += grid.dropTargetBarBottomMarginPx;
+        lp.width = grid.availableWidthPx - 2 * horizontalMargin;
+        if (mIsVertical) {
+            lp.leftMargin = (grid.widthPx - lp.width) / 2;
+            lp.rightMargin = (grid.widthPx - lp.width) / 2;
+        }
+        lp.height = grid.dropTargetBarSizePx;
+        lp.gravity = Gravity.CENTER_HORIZONTAL | Gravity.TOP;
+
         setLayoutParams(lp);
         for (ButtonDropTarget button : mDropTargets) {
             button.setTextSize(TypedValue.COMPLEX_UNIT_PX, grid.dropTargetTextSizePx);
@@ -139,19 +137,7 @@
         int height = MeasureSpec.getSize(heightMeasureSpec);
 
         int visibleCount = getVisibleButtonsCount();
-        if (visibleCount == 0) {
-            // do nothing
-        } else if (mIsVertical) {
-            int widthSpec = MeasureSpec.makeMeasureSpec(width, MeasureSpec.EXACTLY);
-            int heightSpec = MeasureSpec.makeMeasureSpec(height, MeasureSpec.AT_MOST);
-
-            for (ButtonDropTarget button : mDropTargets) {
-                if (button.getVisibility() != GONE) {
-                    button.setTextVisible(false);
-                    button.measure(widthSpec, heightSpec);
-                }
-            }
-        } else {
+        if (visibleCount > 0) {
             int availableWidth = width / visibleCount;
             boolean textVisible = true;
             for (ButtonDropTarget buttons : mDropTargets) {
@@ -176,31 +162,91 @@
     protected void onLayout(boolean changed, int left, int top, int right, int bottom) {
         int visibleCount = getVisibleButtonsCount();
         if (visibleCount == 0) {
-            // do nothing
-        } else if (mIsVertical) {
-            int gap = getResources().getDimensionPixelSize(R.dimen.drop_target_vertical_gap);
-            int start = gap;
-            int end;
+            return;
+        }
 
-            for (ButtonDropTarget button : mDropTargets) {
-                if (button.getVisibility() != GONE) {
-                    end = start + button.getMeasuredHeight();
-                    button.layout(0, start, button.getMeasuredWidth(), end);
-                    start = end + gap;
-                }
-            }
-        } else {
-            int frameSize = (right - left) / visibleCount;
+        Launcher launcher = Launcher.getLauncher(getContext());
+        Workspace workspace = launcher.getWorkspace();
+        DeviceProfile dp = launcher.getDeviceProfile();
+        int buttonHorizontalPadding = dp.dropTargetHorizontalPaddingPx;
+        int buttonVerticalPadding = dp.dropTargetVerticalPaddingPx;
+        int barCenter = (right - left) / 2;
 
-            int start = frameSize / 2;
-            int halfWidth;
-            for (ButtonDropTarget button : mDropTargets) {
-                if (button.getVisibility() != GONE) {
-                    halfWidth = button.getMeasuredWidth() / 2;
-                    button.layout(start - halfWidth, 0,
-                            start + halfWidth, button.getMeasuredHeight());
-                    start = start + frameSize;
+        ButtonDropTarget[] visibleButtons = Arrays.stream(mDropTargets)
+                .filter(b -> b.getVisibility() != GONE)
+                .toArray(ButtonDropTarget[]::new);
+        Arrays.stream(visibleButtons).forEach(
+                b -> b.setPadding(buttonHorizontalPadding, buttonVerticalPadding,
+                        buttonHorizontalPadding, buttonVerticalPadding));
+
+        if (visibleCount == 1) {
+            ButtonDropTarget button = visibleButtons[0];
+            button.layout(barCenter - (button.getMeasuredWidth() / 2), 0,
+                    barCenter + (button.getMeasuredWidth() / 2), button.getMeasuredHeight());
+        } else if (visibleCount == 2) {
+            int buttonGap = dp.dropTargetGapPx;
+
+            if (dp.isTwoPanels) {
+                ButtonDropTarget leftButton = visibleButtons[0];
+                leftButton.layout(barCenter - leftButton.getMeasuredWidth() - (buttonGap / 2), 0,
+                        barCenter - (buttonGap / 2), leftButton.getMeasuredHeight());
+
+                ButtonDropTarget rightButton = visibleButtons[1];
+                rightButton.layout(barCenter + (buttonGap / 2), 0,
+                        barCenter + rightButton.getMeasuredWidth() + (buttonGap / 2),
+                        rightButton.getMeasuredHeight());
+            } else if (dp.isTablet) {
+                int numberOfMargins = visibleCount - 1;
+                int buttonWidths = Arrays.stream(mDropTargets)
+                        .filter(b -> b.getVisibility() != GONE)
+                        .mapToInt(ButtonDropTarget::getMeasuredWidth)
+                        .sum();
+                int totalWidth = buttonWidths + (numberOfMargins * buttonGap);
+                int buttonsStartMargin = barCenter - (totalWidth / 2);
+
+                int start = buttonsStartMargin;
+                for (ButtonDropTarget button : visibleButtons) {
+                    int margin = (start != buttonsStartMargin) ? buttonGap : 0;
+                    button.layout(start + margin, 0, start + margin + button.getMeasuredWidth(),
+                            button.getMeasuredHeight());
+                    start += button.getMeasuredWidth() + margin;
                 }
+            } else if (mIsVertical) {
+                // Center buttons over workspace, not screen.
+                int verticalCenter = (workspace.getRight() - workspace.getLeft()) / 2;
+                ButtonDropTarget leftButton = visibleButtons[0];
+                leftButton.layout(verticalCenter - leftButton.getMeasuredWidth() - (buttonGap / 2),
+                        0, verticalCenter - (buttonGap / 2), leftButton.getMeasuredHeight());
+
+                ButtonDropTarget rightButton = visibleButtons[1];
+                rightButton.layout(verticalCenter + (buttonGap / 2), 0,
+                        verticalCenter + rightButton.getMeasuredWidth() + (buttonGap / 2),
+                        rightButton.getMeasuredHeight());
+            } else if (dp.isPhone) {
+                // Buttons aligned to outer edges of scaled workspace.
+                float shrunkTop = dp.getWorkspaceSpringLoadShrunkTop();
+                float shrunkBottom = dp.getWorkspaceSpringLoadShrunkBottom();
+                float scale =
+                        (shrunkBottom - shrunkTop) / launcher.getWorkspace().getNormalChildHeight();
+                int workspaceWidth = (int) (launcher.getWorkspace().getNormalChildWidth() * scale);
+                int start = barCenter - (workspaceWidth / 2);
+                int end = barCenter + (workspaceWidth / 2);
+
+                ButtonDropTarget leftButton = visibleButtons[0];
+                ButtonDropTarget rightButton = visibleButtons[1];
+
+                // If the text within the buttons is too long, the buttons can overlap
+                int overlap = start + leftButton.getMeasuredWidth() + rightButton.getMeasuredWidth()
+                        - end;
+                if (overlap > 0) {
+                    start -= overlap / 2;
+                    end += overlap / 2;
+                }
+
+                leftButton.layout(start, 0, start + leftButton.getMeasuredWidth(),
+                        leftButton.getMeasuredHeight());
+                rightButton.layout(end - rightButton.getMeasuredWidth(), 0, end,
+                        rightButton.getMeasuredHeight());
             }
         }
     }
diff --git a/src/com/android/launcher3/Workspace.java b/src/com/android/launcher3/Workspace.java
index 8b19a19..a7fc2f5 100644
--- a/src/com/android/launcher3/Workspace.java
+++ b/src/com/android/launcher3/Workspace.java
@@ -324,37 +324,14 @@
             setPageSpacing(Math.max(maxInsets, maxPadding));
         }
 
-        updateWorkspaceScreensPadding();
+        updateCellLayoutPadding();
         updateWorkspaceWidgetsSizes();
     }
 
-    private void updateWorkspaceScreensPadding() {
-        DeviceProfile grid = mLauncher.getDeviceProfile();
-        int paddingLeftRight = grid.cellLayoutPaddingLeftRightPx;
-        int paddingBottom = grid.cellLayoutBottomPaddingPx;
-
-        int panelCount = getPanelCount();
-        int rightPanelModulus = mIsRtl ? 0 : panelCount - 1;
-        int leftPanelModulus = mIsRtl ? panelCount - 1 : 0;
-        int numberOfScreens = mScreenOrder.size();
-        for (int i = 0; i < numberOfScreens; i++) {
-            int paddingLeft = paddingLeftRight;
-            int paddingRight = paddingLeftRight;
-            // Add missing cellLayout border in-between panels.
-            if (panelCount > 1) {
-                if (i % panelCount == leftPanelModulus) {
-                    paddingRight += grid.cellLayoutBorderSpacePx.x / 2;
-                } else if (i % panelCount == rightPanelModulus) { // right side panel
-                    paddingLeft += grid.cellLayoutBorderSpacePx.x / 2;
-                } else { // middle panel
-                    paddingLeft += grid.cellLayoutBorderSpacePx.x / 2;
-                    paddingRight += grid.cellLayoutBorderSpacePx.x / 2;
-                }
-            }
-            // SparseArrayMap doesn't keep the order
-            mWorkspaceScreens.get(mScreenOrder.get(i))
-                    .setPadding(paddingLeft, 0, paddingRight, paddingBottom);
-        }
+    private void updateCellLayoutPadding() {
+        Rect padding = mLauncher.getDeviceProfile().cellLayoutPaddingPx;
+        mWorkspaceScreens.forEach(
+                s -> s.setPadding(padding.left, padding.top, padding.right, padding.bottom));
     }
 
     private void updateWorkspaceWidgetsSizes() {
@@ -652,7 +629,7 @@
                 mLauncher.getStateManager().getState(), newScreen, insertIndex);
 
         updatePageScrollValues();
-        updateWorkspaceScreensPadding();
+        updateCellLayoutPadding();
         return newScreen;
     }
 
diff --git a/src/com/android/launcher3/graphics/LauncherPreviewRenderer.java b/src/com/android/launcher3/graphics/LauncherPreviewRenderer.java
index cc17064..3dfece7 100644
--- a/src/com/android/launcher3/graphics/LauncherPreviewRenderer.java
+++ b/src/com/android/launcher3/graphics/LauncherPreviewRenderer.java
@@ -225,21 +225,21 @@
         mHotseat.resetLayout(false);
 
         CellLayout firstScreen = mRootView.findViewById(R.id.workspace);
-        firstScreen.setPadding(mDp.workspacePadding.left + mDp.cellLayoutPaddingLeftRightPx,
-                mDp.workspacePadding.top,
+        firstScreen.setPadding(mDp.workspacePadding.left + mDp.cellLayoutPaddingPx.left,
+                mDp.workspacePadding.top + mDp.cellLayoutPaddingPx.top,
                 (mDp.isTwoPanels ? mDp.cellLayoutBorderSpacePx.x / 2
-                        : mDp.workspacePadding.right) + mDp.cellLayoutPaddingLeftRightPx,
-                mDp.workspacePadding.bottom
+                        : mDp.workspacePadding.right) + mDp.cellLayoutPaddingPx.right,
+                mDp.workspacePadding.bottom + mDp.cellLayoutPaddingPx.bottom
         );
         mWorkspaceScreens.put(FIRST_SCREEN_ID, firstScreen);
 
         if (mDp.isTwoPanels) {
             CellLayout rightPanel = mRootView.findViewById(R.id.workspace_right);
             rightPanel.setPadding(
-                    mDp.cellLayoutBorderSpacePx.x / 2 + mDp.cellLayoutPaddingLeftRightPx,
-                    mDp.workspacePadding.top,
-                    mDp.workspacePadding.right + mDp.cellLayoutPaddingLeftRightPx,
-                    mDp.workspacePadding.bottom
+                    mDp.cellLayoutBorderSpacePx.x / 2  + mDp.cellLayoutPaddingPx.left,
+                    mDp.workspacePadding.top + mDp.cellLayoutPaddingPx.top,
+                    mDp.workspacePadding.right + mDp.cellLayoutPaddingPx.right,
+                    mDp.workspacePadding.bottom + mDp.cellLayoutPaddingPx.bottom
             );
             mWorkspaceScreens.put(Workspace.SECOND_SCREEN_ID, rightPanel);
         }
diff --git a/src/com/android/launcher3/secondarydisplay/SecondaryDragLayer.java b/src/com/android/launcher3/secondarydisplay/SecondaryDragLayer.java
index 967f2c8..9201006 100644
--- a/src/com/android/launcher3/secondarydisplay/SecondaryDragLayer.java
+++ b/src/com/android/launcher3/secondarydisplay/SecondaryDragLayer.java
@@ -113,13 +113,17 @@
         for (int i = 0; i < count; i++) {
             final View child = getChildAt(i);
             if (child == mAppsView) {
-                int padding = 2 * (grid.desiredWorkspaceHorizontalMarginPx
-                        + grid.cellLayoutPaddingLeftRightPx);
+                int horizontalPadding = (2 * grid.desiredWorkspaceHorizontalMarginPx)
+                        + grid.cellLayoutPaddingPx.left + grid.cellLayoutPaddingPx.right;
+                int verticalPadding =
+                        grid.cellLayoutPaddingPx.top + grid.cellLayoutPaddingPx.bottom;
 
-                int maxWidth = grid.allAppsCellWidthPx * grid.numShownAllAppsColumns + padding;
+                int maxWidth =
+                        grid.allAppsCellWidthPx * grid.numShownAllAppsColumns + horizontalPadding;
                 int appsWidth = Math.min(width, maxWidth);
 
-                int maxHeight = grid.allAppsCellHeightPx * grid.numShownAllAppsColumns + padding;
+                int maxHeight =
+                        grid.allAppsCellHeightPx * grid.numShownAllAppsColumns + verticalPadding;
                 int appsHeight = Math.min(height, maxHeight);
 
                 mAppsView.measure(
diff --git a/src/com/android/launcher3/states/SpringLoadedState.java b/src/com/android/launcher3/states/SpringLoadedState.java
index d52594e..9be3cc5 100644
--- a/src/com/android/launcher3/states/SpringLoadedState.java
+++ b/src/com/android/launcher3/states/SpringLoadedState.java
@@ -18,7 +18,6 @@
 import static com.android.launcher3.logging.StatsLogManager.LAUNCHER_STATE_HOME;
 
 import android.content.Context;
-import android.graphics.Rect;
 
 import com.android.launcher3.DeviceProfile;
 import com.android.launcher3.Launcher;
@@ -52,28 +51,15 @@
             return super.getWorkspaceScaleAndTranslation(launcher);
         }
 
-        if (grid.isVerticalBarLayout()) {
-            float scale = grid.workspaceSpringLoadShrinkFactor;
-            return new ScaleAndTranslation(scale, 0, 0);
-        }
-
-        float scale = grid.workspaceSpringLoadShrinkFactor;
-        Rect insets = launcher.getDragLayer().getInsets();
-
-        float scaledHeight = scale * ws.getNormalChildHeight();
-        float shrunkTop = insets.top + grid.dropTargetBarSizePx;
-        float shrunkBottom = ws.getMeasuredHeight() - insets.bottom
-                - grid.workspacePadding.bottom
-                - grid.workspaceSpringLoadedBottomSpace;
-        float totalShrunkSpace = shrunkBottom - shrunkTop;
-
-        float desiredCellTop = shrunkTop + (totalShrunkSpace - scaledHeight) / 2;
+        float shrunkTop = grid.getWorkspaceSpringLoadShrunkTop();
+        float shrunkBottom = grid.getWorkspaceSpringLoadShrunkBottom();
+        float scale = (shrunkBottom - shrunkTop) / ws.getNormalChildHeight();
 
         float halfHeight = ws.getHeight() / 2;
         float myCenter = ws.getTop() + halfHeight;
         float cellTopFromCenter = halfHeight - ws.getChildAt(0).getTop();
         float actualCellTop = myCenter - cellTopFromCenter * scale;
-        return new ScaleAndTranslation(scale, 0, (desiredCellTop - actualCellTop) / scale);
+        return new ScaleAndTranslation(scale, 0, (shrunkTop - actualCellTop) / scale);
     }
 
     @Override