diff --git a/quickstep/src/com/android/launcher3/uioverrides/states/OverviewState.java b/quickstep/src/com/android/launcher3/uioverrides/states/OverviewState.java
index 5f62749..699ce97 100644
--- a/quickstep/src/com/android/launcher3/uioverrides/states/OverviewState.java
+++ b/quickstep/src/com/android/launcher3/uioverrides/states/OverviewState.java
@@ -66,9 +66,9 @@
     @Override
     public ScaleAndTranslation getWorkspaceScaleAndTranslation(Launcher launcher) {
         RecentsView recentsView = launcher.getOverviewPanel();
-        float workspacePageHeight = launcher.getDeviceProfile().getCellLayoutHeight();
+        float workspacePageWidth = launcher.getDeviceProfile().getWorkspaceWidth();
         recentsView.getTaskSize(sTempRect);
-        float scale = (float) sTempRect.height() / workspacePageHeight;
+        float scale = (float) sTempRect.width() / workspacePageWidth;
         float parallaxFactor = 0.5f;
         return new ScaleAndTranslation(scale, 0, -getDefaultSwipeHeight(launcher) * parallaxFactor);
     }
diff --git a/quickstep/src/com/android/quickstep/TaskIconCache.java b/quickstep/src/com/android/quickstep/TaskIconCache.java
index 3803f03..300f085 100644
--- a/quickstep/src/com/android/quickstep/TaskIconCache.java
+++ b/quickstep/src/com/android/quickstep/TaskIconCache.java
@@ -256,7 +256,7 @@
     private BaseIconFactory getIconFactory() {
         if (mIconFactory == null) {
             mIconFactory = new BaseIconFactory(mContext,
-                    DisplayController.INSTANCE.get(mContext).getInfo().getDensityDpi(),
+                    DisplayController.INSTANCE.get(mContext).getInfo().densityDpi,
                     mContext.getResources().getDimensionPixelSize(R.dimen.taskbar_icon_size));
         }
         return mIconFactory;
diff --git a/res/values/attrs.xml b/res/values/attrs.xml
index e85969b..dd3e08b 100644
--- a/res/values/attrs.xml
+++ b/res/values/attrs.xml
@@ -306,17 +306,6 @@
         if not specified -->
         <attr name="allAppsBorderSpaceTwoPanelLandscapeVertical" format="float" />
 
-        <!-- alignment of hotseat to the grid.
-        Not applicable for 3 button mode when taskbar is enabled -->
-        <!-- defaults to numColumns, if not specified -->
-        <attr name="hotseatColumnSpan" format="integer" />
-        <!-- defaults to numColumns, if not specified -->
-        <attr name="hotseatColumnSpanLandscape" format="integer" />
-        <!-- defaults to numColumns, if not specified -->
-        <attr name="hotseatColumnSpanTwoPanelLandscape" format="integer" />
-        <!-- defaults to numColumns, if not specified -->
-        <attr name="hotseatColumnSpanTwoPanelPortrait" format="integer" />
-
         <!-- defaults to borderSpaceDps, if not specified -->
         <attr name="hotseatBorderSpace" format="float" />
         <!-- defaults to hotseatBorderSpace, if not specified -->
diff --git a/res/xml/device_profiles.xml b/res/xml/device_profiles.xml
index 258da80..07ce598 100644
--- a/res/xml/device_profiles.xml
+++ b/res/xml/device_profiles.xml
@@ -176,7 +176,6 @@
             launcher:allAppsBorderSpaceHorizontal="8"
             launcher:allAppsBorderSpaceVertical="16"
             launcher:allAppsBorderSpaceLandscape="16"
-            launcher:hotseatColumnSpanLandscape="4"
             launcher:hotseatBorderSpace="58"
             launcher:hotseatBorderSpaceLandscape="50.4"
             launcher:canBeDefault="true" />
diff --git a/src/com/android/launcher3/DeviceProfile.java b/src/com/android/launcher3/DeviceProfile.java
index 561f9b9..31f1da8 100644
--- a/src/com/android/launcher3/DeviceProfile.java
+++ b/src/com/android/launcher3/DeviceProfile.java
@@ -158,7 +158,6 @@
     public final int numShownHotseatIcons;
     public int hotseatCellHeightPx;
     private final int hotseatExtraVerticalSize;
-    private final boolean areNavButtonsInline;
     // In portrait: size = height, in landscape: size = width
     public int hotseatBarSizePx;
     public int hotseatBarTopPaddingPx;
@@ -359,7 +358,7 @@
 
         // We shrink hotseat sizes regardless of orientation, if nav buttons are inline and QSB
         // might be inline in either orientations, to keep hotseat size consistent across rotation.
-        areNavButtonsInline = isTaskbarPresent && !isGestureMode;
+        boolean areNavButtonsInline = isTaskbarPresent && !isGestureMode;
         if (areNavButtonsInline && canQsbInline) {
             numShownHotseatIcons = inv.numShrunkenHotseatIcons;
         } else {
@@ -374,14 +373,15 @@
                 res.getDimensionPixelSize(R.dimen.dynamic_grid_hotseat_top_padding);
         if (isQsbInline) {
             hotseatBarBottomPaddingPx = res.getDimensionPixelSize(R.dimen.inline_qsb_bottom_margin);
+            qsbWidth = calculateQsbWidth();
         } else {
             hotseatBarBottomPaddingPx = (isTallDevice ? res.getDimensionPixelSize(
                     R.dimen.dynamic_grid_hotseat_bottom_tall_padding)
                     : res.getDimensionPixelSize(
                             R.dimen.dynamic_grid_hotseat_bottom_non_tall_padding))
                     + res.getDimensionPixelSize(R.dimen.dynamic_grid_hotseat_bottom_padding);
+            qsbWidth = 0;
         }
-
         springLoadedHotseatBarTopMarginPx = res.getDimensionPixelSize(
                 R.dimen.spring_loaded_hotseat_top_margin);
         hotseatBarSidePaddingEndPx =
@@ -390,7 +390,9 @@
         hotseatBarSidePaddingStartPx = isVerticalBarLayout() ? workspacePageIndicatorHeight : 0;
         hotseatExtraVerticalSize =
                 res.getDimensionPixelSize(R.dimen.dynamic_grid_hotseat_extra_vertical_size);
-        updateHotseatIconSize(pxFromDp(inv.iconSize[INDEX_DEFAULT], mMetrics));
+        hotseatBorderSpace = pxFromDp(inv.hotseatBorderSpaces[mTypeIndex], mMetrics);
+        updateHotseatIconSize(
+                pxFromDp(inv.iconSize[INDEX_DEFAULT], mMetrics));
 
         qsbBottomMarginOriginalPx = isScalableGrid
                 ? res.getDimensionPixelSize(R.dimen.scalable_grid_qsb_bottom_margin)
@@ -481,10 +483,6 @@
                 cellLayoutPadding);
         updateWorkspacePadding();
 
-        // Hotseat and QSB width depends on updated cellSize and workspace padding
-        hotseatBorderSpace = calculateHotseatBorderSpace();
-        qsbWidth = calculateQsbWidth();
-
         flingToDeleteThresholdVelocity = res.getDimensionPixelSize(
                 R.dimen.drag_flingToDeleteMinVelocity);
 
@@ -495,26 +493,14 @@
                 new DotRenderer(allAppsIconSizePx, dotPath, DEFAULT_DOT_SIZE);
     }
 
-    /**
-     * QSB width is always calculated because when in 3 button nav the width doesn't follow the
-     * width of the hotseat.
-     */
     private int calculateQsbWidth() {
-        if (isQsbInline) {
-            int columns = getPanelCount() * inv.numColumns;
-            return getIconToIconWidthForColumns(columns)
-                    - iconSizePx * numShownHotseatIcons
-                    - hotseatBorderSpace * numShownHotseatIcons;
-        } else {
-            int columns = inv.hotseatColumnSpan[mTypeIndex];
-            return getIconToIconWidthForColumns(columns);
-        }
-    }
+        int columns = isTwoPanels ? inv.numColumns * 2 : inv.numColumns;
 
-    private int getIconToIconWidthForColumns(int columns) {
-        return columns * getCellSize().x
-                + (columns - 1) * cellLayoutBorderSpacePx.x
-                - (getCellSize().x - iconSizePx);  // left and right cell space
+        return cellWidthPx * columns
+                + cellLayoutBorderSpacePx.x * (columns - 1)
+                - (cellWidthPx - iconSizePx) // left and right cell space
+                - iconSizePx * numShownHotseatIcons
+                - hotseatBorderSpace * numShownHotseatIcons;
     }
 
     private int getHorizontalMarginPx(InvariantDeviceProfile idp, Resources res) {
@@ -665,10 +651,11 @@
         updateIconSize(1f, res);
 
         updateWorkspacePadding();
+        Point workspacePadding = getTotalWorkspacePadding();
 
         // Check to see if the icons fit within the available height.
         float usedHeight = getCellLayoutHeightSpecification();
-        final int maxHeight = getCellLayoutHeight();
+        final int maxHeight = getWorkspaceHeight(workspacePadding);
         float extraHeight = Math.max(0, maxHeight - usedHeight);
         float scaleY = maxHeight / usedHeight;
         boolean shouldScale = scaleY < 1f;
@@ -701,7 +688,7 @@
     }
 
     private int getCellLayoutWidthSpecification() {
-        int numColumns = getPanelCount() * inv.numColumns;
+        int numColumns = isTwoPanels ? inv.numColumns * 2 : inv.numColumns;
         return (cellWidthPx * numColumns) + (cellLayoutBorderSpacePx.x * (numColumns - 1))
                 + cellLayoutPaddingPx.left + cellLayoutPaddingPx.right;
     }
@@ -754,6 +741,13 @@
         // All apps
         updateAllAppsIconSize(scale, res);
 
+        // Hotseat
+        hotseatBorderSpace = pxFromDp(inv.hotseatBorderSpaces[mTypeIndex], mMetrics, scale);
+        if (isQsbInline) {
+            qsbWidth = calculateQsbWidth();
+        } else {
+            qsbWidth = 0;
+        }
         updateHotseatIconSize(iconSizePx);
 
         // Folder icon
@@ -761,23 +755,6 @@
         folderIconOffsetYPx = (iconSizePx - folderIconSizePx) / 2;
     }
 
-    /**
-     * Hotseat width spans a certain number of columns on scalable grids.
-     * This method calculates the space between the icons to achieve that width.
-     */
-    private int calculateHotseatBorderSpace() {
-        if (!isScalableGrid) return 0;
-        //TODO(http://b/228998082) remove this when 3 button spaces are fixed
-        if (areNavButtonsInline) {
-            return pxFromDp(inv.hotseatBorderSpaces[mTypeIndex], mMetrics);
-        } else {
-            int columns = inv.hotseatColumnSpan[mTypeIndex];
-            float hotseatWidthPx = getIconToIconWidthForColumns(columns);
-            float hotseatIconsTotalPx = iconSizePx * numShownHotseatIcons;
-            return (int) (hotseatWidthPx - hotseatIconsTotalPx) / (numShownHotseatIcons - 1);
-        }
-    }
-
 
     /**
      * Updates the iconSize for allApps* variants.
@@ -901,18 +878,16 @@
             result = new Point();
         }
 
-        result.x = calculateCellWidth(getShortcutAndWidgetContainerWidth(),
-                cellLayoutBorderSpacePx.x, inv.numColumns);
-        result.y = calculateCellHeight(getShortcutAndWidgetContainerHeight(),
-                cellLayoutBorderSpacePx.y, inv.numRows);
-        return result;
-    }
+        // Since we are only concerned with the overall padding, layout direction does
+        // not matter.
+        Point padding = getTotalWorkspacePadding();
 
-    /**
-     * Gets the number of panels within the workspace.
-     */
-    public int getPanelCount() {
-        return isTwoPanels ? 2 : 1;
+        int numColumns = isTwoPanels ? inv.numColumns * 2 : inv.numColumns;
+        int screenWidthPx = getWorkspaceWidth(padding);
+        result.x = calculateCellWidth(screenWidthPx, cellLayoutBorderSpacePx.x, numColumns);
+        int screenHeightPx = getWorkspaceHeight(padding);
+        result.y = calculateCellHeight(screenHeightPx, cellLayoutBorderSpacePx.y, inv.numRows);
+        return result;
     }
 
     /**
@@ -933,7 +908,7 @@
     /**
      * Gets the scaled top of the workspace in px for the spring-loaded edit state.
      */
-    public float getCellLayoutSpringLoadShrunkTop() {
+    public float getWorkspaceSpringLoadShrunkTop() {
         workspaceSpringLoadShrunkTop = mInsets.top + dropTargetBarTopMarginPx + dropTargetBarSizePx
                 + dropTargetBarBottomMarginPx;
         return workspaceSpringLoadShrunkTop;
@@ -942,7 +917,7 @@
     /**
      * Gets the scaled bottom of the workspace in px for the spring-loaded edit state.
      */
-    private float getCellLayoutSpringLoadShrunkBottom() {
+    private float getWorkspaceSpringLoadShrunkBottom() {
         int topOfHotseat = hotseatBarSizePx + springLoadedHotseatBarTopMarginPx;
         workspaceSpringLoadShrunkBottom =
                 heightPx - (isVerticalBarLayout() ? getVerticalHotseatLastItemBottomOffset()
@@ -961,8 +936,9 @@
      * Gets the scale of the workspace for the spring-loaded edit state.
      */
     public float getWorkspaceSpringLoadScale() {
-        float scale = (getCellLayoutSpringLoadShrunkBottom() - getCellLayoutSpringLoadShrunkTop())
-                / getCellLayoutHeight();
+        float cellLayoutHeight = availableHeightPx - workspacePadding.top - workspacePadding.bottom;
+        float scale = (getWorkspaceSpringLoadShrunkBottom() - getWorkspaceSpringLoadShrunkTop())
+                / cellLayoutHeight;
         scale = Math.min(scale, 1f);
 
         // Reduce scale if next pages would not be visible after scaling the workspace
@@ -976,55 +952,19 @@
         return scale;
     }
 
-    /**
-     * Gets the width of the Workspace, aka a scrollable page of the homescreen.
-     */
     public int getWorkspaceWidth() {
-        return availableWidthPx;
+        return getWorkspaceWidth(getTotalWorkspacePadding());
     }
 
-    /**
-     * Gets the height of the Workspace, aka a scrollable page of the homescreen.
-     */
-    public int getWorkspaceHeight() {
-        return availableHeightPx;
+    public int getWorkspaceWidth(Point workspacePadding) {
+        int cellLayoutTotalPadding =
+                (isTwoPanels ? 2 : 1) * (cellLayoutPaddingPx.left + cellLayoutPaddingPx.right);
+        return availableWidthPx - workspacePadding.x - cellLayoutTotalPadding;
     }
 
-    /**
-     * Gets the width of a single Cell Layout, aka a single panel within a Workspace.
-     *
-     * <p>This is the width of a Workspace, less its horizontal padding. Note that two-panel
-     * layouts have two Cell Layouts per workspace.
-     */
-    public int getCellLayoutWidth() {
-        return (getWorkspaceWidth() - getTotalWorkspacePadding().x) / getPanelCount();
-    }
-
-    /**
-     * Gets the height of a single Cell Layout, aka a single panel within a Workspace.
-     *
-     * <p>This is the height of a Workspace, less its vertical padding.
-     */
-    public int getCellLayoutHeight() {
-        return getWorkspaceHeight() - getTotalWorkspacePadding().y;
-    }
-
-    /**
-     * Gets the width of the container holding the shortcuts and widgets.
-     *
-     * <p>This is the width of one Cell Layout less its horizontal padding.
-     */
-    public int getShortcutAndWidgetContainerWidth() {
-        return getCellLayoutWidth() - (cellLayoutPaddingPx.left + cellLayoutPaddingPx.right);
-    }
-
-    /**
-     * Gets the height of the container holding the shortcuts and widgets.
-     *
-     * <p>This is the height of one Cell Layout less its vertical padding.
-     */
-    public int getShortcutAndWidgetContainerHeight() {
-        return getCellLayoutHeight() - (cellLayoutPaddingPx.top + cellLayoutPaddingPx.bottom);
+    private int getWorkspaceHeight(Point workspacePadding) {
+        return availableHeightPx - workspacePadding.y - (cellLayoutPaddingPx.top
+                + cellLayoutPaddingPx.bottom);
     }
 
     public Point getTotalWorkspacePadding() {
@@ -1130,13 +1070,6 @@
                 mHotseatPadding.left -= diff;
                 mHotseatPadding.right += diff;
             }
-        } else if (isScalableGrid) {
-            int sideSpacing = (availableWidthPx - qsbWidth) / 2;
-            mHotseatPadding.set(sideSpacing,
-                    hotseatBarTopPaddingPx,
-                    sideSpacing,
-                    hotseatBarSizePx - hotseatCellHeightPx - hotseatBarTopPaddingPx
-                            + mInsets.bottom);
         } else {
             // We want the edges of the hotseat to line up with the edges of the workspace, but the
             // icons in the hotseat are a different size, and so don't line up perfectly. To account
@@ -1373,7 +1306,6 @@
         writer.println(prefix + pxToDpStr("allAppsLeftRightMargin", allAppsLeftRightMargin));
 
         writer.println(prefix + pxToDpStr("hotseatBarSizePx", hotseatBarSizePx));
-        writer.println(prefix + "\tinv.hotseatColumnSpan: " + inv.hotseatColumnSpan[mTypeIndex]);
         writer.println(prefix + pxToDpStr("hotseatCellHeightPx", hotseatCellHeightPx));
         writer.println(prefix + pxToDpStr("hotseatBarTopPaddingPx", hotseatBarTopPaddingPx));
         writer.println(prefix + pxToDpStr("hotseatBarBottomPaddingPx", hotseatBarBottomPaddingPx));
@@ -1452,7 +1384,7 @@
     private static Context getContext(Context c, Info info, int orientation, WindowBounds bounds) {
         Configuration config = new Configuration(c.getResources().getConfiguration());
         config.orientation = orientation;
-        config.densityDpi = info.getDensityDpi();
+        config.densityDpi = info.densityDpi;
         config.smallestScreenWidthDp = (int) info.smallestSizeDp(bounds);
         return c.createConfigurationContext(config);
     }
diff --git a/src/com/android/launcher3/Hotseat.java b/src/com/android/launcher3/Hotseat.java
index 76106fc..a9db5ce 100644
--- a/src/com/android/launcher3/Hotseat.java
+++ b/src/com/android/launcher3/Hotseat.java
@@ -173,9 +173,17 @@
     protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
         super.onMeasure(widthMeasureSpec, heightMeasureSpec);
 
-        int qsbWidth = mActivity.getDeviceProfile().qsbWidth;
+        int width;
+        if (mActivity.getDeviceProfile().isQsbInline) {
+            width = mActivity.getDeviceProfile().qsbWidth;
+        } else {
+            MarginLayoutParams qsbParams = (MarginLayoutParams) mQsb.getLayoutParams();
+            width = getShortcutsAndWidgets().getMeasuredWidth()
+                    - qsbParams.getMarginStart()
+                    - qsbParams.getMarginEnd();
+        }
 
-        mQsb.measure(MeasureSpec.makeMeasureSpec(qsbWidth, MeasureSpec.EXACTLY),
+        mQsb.measure(MeasureSpec.makeMeasureSpec(width, MeasureSpec.EXACTLY),
                 MeasureSpec.makeMeasureSpec(mQsbHeight, MeasureSpec.EXACTLY));
     }
 
diff --git a/src/com/android/launcher3/InvariantDeviceProfile.java b/src/com/android/launcher3/InvariantDeviceProfile.java
index 0373eef..1f92079 100644
--- a/src/com/android/launcher3/InvariantDeviceProfile.java
+++ b/src/com/android/launcher3/InvariantDeviceProfile.java
@@ -127,7 +127,6 @@
     public PointF[] borderSpaces;
     public float folderBorderSpace;
     public float[] hotseatBorderSpaces;
-    public int[] hotseatColumnSpan;
 
     public float[] horizontalMargin;
 
@@ -359,7 +358,6 @@
         numDatabaseHotseatIcons = deviceType == TYPE_MULTI_DISPLAY
                 ? closestProfile.numDatabaseHotseatIcons : closestProfile.numHotseatIcons;
         hotseatBorderSpaces = displayOption.hotseatBorderSpaces;
-        hotseatColumnSpan = displayOption.hotseatColumnSpan;
 
         numAllAppsColumns = closestProfile.numAllAppsColumns;
         numDatabaseAllAppsColumns = deviceType == TYPE_MULTI_DISPLAY
@@ -400,8 +398,7 @@
             // We need to ensure that there is enough extra space in the wallpaper
             // for the intended parallax effects
             float parallaxFactor =
-                    dpiFromPx(Math.min(displayWidth, displayHeight), displayInfo.getDensityDpi())
-                            < 720
+                    dpiFromPx(Math.min(displayWidth, displayHeight), displayInfo.densityDpi) < 720
                             ? 2
                             : wallpaperTravelToScreenWidthRatio(displayWidth, displayHeight);
             defaultWallpaperSize.x =
@@ -590,8 +587,8 @@
             }
         }
 
-        float width = dpiFromPx(minWidthPx, displayInfo.getDensityDpi());
-        float height = dpiFromPx(minHeightPx, displayInfo.getDensityDpi());
+        float width = dpiFromPx(minWidthPx, displayInfo.densityDpi);
+        float height = dpiFromPx(minHeightPx, displayInfo.densityDpi);
 
         // Sort the profiles based on the closeness to the device size
         Collections.sort(points, (a, b) ->
@@ -824,9 +821,7 @@
         private float folderBorderSpace;
         private final PointF[] borderSpaces = new PointF[COUNT_SIZES];
         private final float[] horizontalMargin = new float[COUNT_SIZES];
-        //TODO(http://b/228998082) remove this when 3 button spaces are fixed
         private final float[] hotseatBorderSpaces = new float[COUNT_SIZES];
-        private final int[] hotseatColumnSpan = new int[COUNT_SIZES];
 
         private final float[] iconSizes = new float[COUNT_SIZES];
         private final float[] textSizes = new float[COUNT_SIZES];
@@ -1052,17 +1047,6 @@
                     R.styleable.ProfileDisplayOption_hotseatBorderSpaceTwoPanelPortrait,
                     hotseatBorderSpaces[INDEX_DEFAULT]);
 
-            hotseatColumnSpan[INDEX_DEFAULT] = a.getInt(
-                    R.styleable.ProfileDisplayOption_hotseatColumnSpan, grid.numColumns);
-            hotseatColumnSpan[INDEX_LANDSCAPE] = a.getInt(
-                    R.styleable.ProfileDisplayOption_hotseatColumnSpanLandscape, grid.numColumns);
-            hotseatColumnSpan[INDEX_TWO_PANEL_LANDSCAPE] = a.getInt(
-                    R.styleable.ProfileDisplayOption_hotseatColumnSpanTwoPanelLandscape,
-                    grid.numColumns);
-            hotseatColumnSpan[INDEX_TWO_PANEL_PORTRAIT] = a.getInt(
-                    R.styleable.ProfileDisplayOption_hotseatColumnSpanTwoPanelPortrait,
-                    grid.numColumns);
-
             a.recycle();
         }
 
@@ -1121,7 +1105,6 @@
                 minCellSize[i].y += p.minCellSize[i].y;
                 horizontalMargin[i] += p.horizontalMargin[i];
                 hotseatBorderSpaces[i] += p.hotseatBorderSpaces[i];
-                hotseatColumnSpan[i] = p.hotseatColumnSpan[i];
                 allAppsCellSize[i].x += p.allAppsCellSize[i].x;
                 allAppsCellSize[i].y += p.allAppsCellSize[i].y;
                 allAppsIconSizes[i] += p.allAppsIconSizes[i];
diff --git a/src/com/android/launcher3/states/SpringLoadedState.java b/src/com/android/launcher3/states/SpringLoadedState.java
index a205ab5..15cdc20 100644
--- a/src/com/android/launcher3/states/SpringLoadedState.java
+++ b/src/com/android/launcher3/states/SpringLoadedState.java
@@ -51,7 +51,7 @@
             return super.getWorkspaceScaleAndTranslation(launcher);
         }
 
-        float shrunkTop = grid.getCellLayoutSpringLoadShrunkTop();
+        float shrunkTop = grid.getWorkspaceSpringLoadShrunkTop();
         float scale = grid.getWorkspaceSpringLoadScale();
 
         float halfHeight = ws.getHeight() / 2;
diff --git a/src/com/android/launcher3/util/DisplayController.java b/src/com/android/launcher3/util/DisplayController.java
index 7c73be5..777da23 100644
--- a/src/com/android/launcher3/util/DisplayController.java
+++ b/src/com/android/launcher3/util/DisplayController.java
@@ -290,7 +290,7 @@
 
         // Configuration property
         public final float fontScale;
-        private final int densityDpi;
+        public final int densityDpi;
         public final NavigationMode navigationMode;
 
         private final PortraitSize mScreenSizeDp;
@@ -357,10 +357,6 @@
         public float smallestSizeDp(WindowBounds bounds) {
             return dpiFromPx(Math.min(bounds.bounds.width(), bounds.bounds.height()), densityDpi);
         }
-
-        public int getDensityDpi() {
-            return densityDpi;
-        }
     }
 
     /**
diff --git a/tests/src/com/android/launcher3/DeviceProfileBaseTest.kt b/tests/src/com/android/launcher3/DeviceProfileBaseTest.kt
index 6d0fcb6..f91f1c4 100644
--- a/tests/src/com/android/launcher3/DeviceProfileBaseTest.kt
+++ b/tests/src/com/android/launcher3/DeviceProfileBaseTest.kt
@@ -64,7 +64,6 @@
         windowBounds = WindowBounds(x, y, x, y - 100, 0)
 
         whenever(info.isTablet(any())).thenReturn(false)
-        whenever(info.getDensityDpi()).thenReturn(560)
 
         inv = newScalableInvariantDeviceProfile()
     }
@@ -78,7 +77,6 @@
         windowBounds = WindowBounds(x, y, x, y - 100, 0)
 
         whenever(info.isTablet(any())).thenReturn(true)
-        whenever(info.getDensityDpi()).thenReturn(320)
 
         inv = newScalableInvariantDeviceProfile()
     }
@@ -109,7 +107,6 @@
                 PointF(16f, 16f)
             ).toTypedArray()
             hotseatBorderSpaces = FloatArray(4) { 16f }
-            hotseatColumnSpan = IntArray(4) { 4 }
             iconSize = FloatArray(4) { 56f }
             allAppsIconSize = FloatArray(4) { 56f }
             iconTextSize = FloatArray(4) { 14f }
diff --git a/tests/src/com/android/launcher3/DeviceProfileGridDimensionsTest.kt b/tests/src/com/android/launcher3/DeviceProfileGridDimensionsTest.kt
deleted file mode 100644
index 63abc7d..0000000
--- a/tests/src/com/android/launcher3/DeviceProfileGridDimensionsTest.kt
+++ /dev/null
@@ -1,258 +0,0 @@
-/*
- * Copyright (C) 2022 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.graphics.PointF
-import androidx.test.ext.junit.runners.AndroidJUnit4
-import androidx.test.filters.SmallTest
-import com.android.launcher3.util.WindowBounds
-import com.google.common.truth.Truth.assertThat
-import org.junit.Test
-import org.junit.runner.RunWith
-import org.mockito.ArgumentMatchers
-import org.mockito.Mockito.`when` as whenever
-
-/**
- * Test for [DeviceProfile] grid dimensions.
- *
- * This includes workspace, cell layout, shortcut and widget container, cell sizes, etc.
- */
-@SmallTest
-@RunWith(AndroidJUnit4::class)
-class DeviceProfileGridDimensionsTest : DeviceProfileBaseTest() {
-
-    @Test
-    fun getWorkspaceWidth_twoPanelLandscapeScalable4By4GridTablet_workspaceWidthIsFullPage() {
-        val tabletWidth = 2560
-        val tabletHeight = 1600
-        val availableWidth = 2560
-        val availableHeight = 1500
-        windowBounds = WindowBounds(tabletWidth, tabletHeight, availableWidth, availableHeight, 0)
-        useTwoPanels = true
-        whenever(info.isTablet(ArgumentMatchers.any())).thenReturn(true)
-        whenever(info.getDensityDpi()).thenReturn(320)
-        inv = getScalable4By4InvariantDeviceProfile()
-
-        val dp = newDP()
-
-        val expectedWorkspaceWidth = availableWidth
-        assertThat(dp.workspaceWidth).isEqualTo(expectedWorkspaceWidth)
-    }
-
-    @Test
-    fun getWorkspaceHeight_twoPanelLandscapeScalable4By4GridTablet_workspaceHeightIsFullPage() {
-        val tabletWidth = 2560
-        val tabletHeight = 1600
-        val availableWidth = 2560
-        val availableHeight = 1500
-        windowBounds = WindowBounds(tabletWidth, tabletHeight, availableWidth, availableHeight, 0)
-        useTwoPanels = true
-        whenever(info.isTablet(ArgumentMatchers.any())).thenReturn(true)
-        whenever(info.getDensityDpi()).thenReturn(320)
-        inv = getScalable4By4InvariantDeviceProfile()
-
-        val dp = newDP()
-
-        val expectedWorkspaceHeight = availableHeight
-        assertThat(dp.workspaceHeight).isEqualTo(expectedWorkspaceHeight)
-    }
-
-    @Test
-    fun getCellLayoutWidth_twoPanelLandscapeScalable4By4GridTablet_equalsSinglePanelWidth() {
-        val tabletWidth = 2560
-        val tabletHeight = 1600
-        val availableWidth = 2560
-        val availableHeight = 1500
-        windowBounds = WindowBounds(tabletWidth, tabletHeight, availableWidth, availableHeight, 0)
-        useTwoPanels = true
-        whenever(info.isTablet(ArgumentMatchers.any())).thenReturn(true)
-        whenever(info.getDensityDpi()).thenReturn(320)
-        inv = getScalable4By4InvariantDeviceProfile()
-
-        val dp = newDP()
-
-        val expectedWorkspaceWidth = availableWidth
-        val expectedCellLayoutWidth =
-                (expectedWorkspaceWidth - (dp.workspacePadding.right + dp.workspacePadding.left)) /
-                        dp.panelCount
-        assertThat(dp.cellLayoutWidth).isEqualTo(expectedCellLayoutWidth)
-    }
-
-    @Test
-    fun getCellLayoutHeight_twoPanelLandscapeScalable4By4GridTablet_equalsSinglePanelHeight() {
-        val tabletWidth = 2560
-        val tabletHeight = 1600
-        val availableWidth = 2560
-        val availableHeight = 1500
-        windowBounds = WindowBounds(tabletWidth, tabletHeight, availableWidth, availableHeight, 0)
-        useTwoPanels = true
-        whenever(info.isTablet(ArgumentMatchers.any())).thenReturn(true)
-        whenever(info.getDensityDpi()).thenReturn(320)
-        inv = getScalable4By4InvariantDeviceProfile()
-
-        val dp = newDP()
-
-        val expectedWorkspaceHeight = availableHeight
-        val expectedCellLayoutHeight =
-                expectedWorkspaceHeight - (dp.workspacePadding.top + dp.workspacePadding.bottom)
-        assertThat(dp.cellLayoutHeight).isEqualTo(expectedCellLayoutHeight)
-    }
-
-    @Test
-    fun getShortcutAndWidgetContainerWidth_twoPanelLandscapeScalable4By4GridTablet_equalsIconsPlusBorderSpacesWidth() {
-        val tabletWidth = 2560
-        val tabletHeight = 1600
-        val availableWidth = 2560
-        val availableHeight = 1500
-        windowBounds = WindowBounds(tabletWidth, tabletHeight, availableWidth, availableHeight, 0)
-        useTwoPanels = true
-        whenever(info.isTablet(ArgumentMatchers.any())).thenReturn(true)
-        whenever(info.getDensityDpi()).thenReturn(320)
-        inv = getScalable4By4InvariantDeviceProfile()
-
-        val dp = newDP()
-
-        val expectedWorkspaceWidth = availableWidth
-        val expectedCellLayoutWidth =
-                (expectedWorkspaceWidth - (dp.workspacePadding.right + dp.workspacePadding.left)) /
-                        dp.panelCount
-        val expectedShortcutAndWidgetContainerWidth = expectedCellLayoutWidth -
-                (dp.cellLayoutPaddingPx.left + dp.cellLayoutPaddingPx.right)
-        assertThat(dp.shortcutAndWidgetContainerWidth).isEqualTo(expectedShortcutAndWidgetContainerWidth)
-    }
-
-    @Test
-    fun getShortcutAndWidgetContainerHeight_twoPanelLandscapeScalable4By4GridTablet_equalsIconsPlusBorderSpacesHeight() {
-        val tabletWidth = 2560
-        val tabletHeight = 1600
-        val availableWidth = 2560
-        val availableHeight = 1500
-        windowBounds = WindowBounds(tabletWidth, tabletHeight, availableWidth, availableHeight, 0)
-        useTwoPanels = true
-        whenever(info.isTablet(ArgumentMatchers.any())).thenReturn(true)
-        whenever(info.getDensityDpi()).thenReturn(320)
-        inv = getScalable4By4InvariantDeviceProfile()
-
-        val dp = newDP()
-
-        val expectedWorkspaceHeight = availableHeight
-        val expectedCellLayoutHeight =
-                expectedWorkspaceHeight - (dp.workspacePadding.top + dp.workspacePadding.bottom)
-        val expectedShortcutAndWidgetContainerHeight = expectedCellLayoutHeight -
-                (dp.cellLayoutPaddingPx.top + dp.cellLayoutPaddingPx.bottom)
-        assertThat(dp.shortcutAndWidgetContainerHeight).isEqualTo(
-                expectedShortcutAndWidgetContainerHeight)
-    }
-
-    @Test
-    fun getCellSize_twoPanelLandscapeScalable4By4GridTablet_equalsSinglePanelWidth() {
-        val tabletWidth = 2560
-        val tabletHeight = 1600
-        val availableWidth = 2560
-        val availableHeight = 1500
-        windowBounds = WindowBounds(tabletWidth, tabletHeight, availableWidth, availableHeight, 0)
-        useTwoPanels = true
-        whenever(info.isTablet(ArgumentMatchers.any())).thenReturn(true)
-        whenever(info.getDensityDpi()).thenReturn(320)
-        inv = getScalable4By4InvariantDeviceProfile()
-
-        val dp = newDP()
-
-        val expectedWorkspaceWidth = availableWidth
-        val expectedCellLayoutWidth =
-                (expectedWorkspaceWidth - (dp.workspacePadding.right + dp.workspacePadding.left)) /
-                        dp.panelCount
-        val expectedShortcutAndWidgetContainerWidth =
-                expectedCellLayoutWidth -
-                        (dp.cellLayoutPaddingPx.left + dp.cellLayoutPaddingPx.right)
-        assertThat(dp.getCellSize().x).isEqualTo(
-                (expectedShortcutAndWidgetContainerWidth -
-                        ((inv!!.numColumns - 1) * dp.cellLayoutBorderSpacePx.x)) / inv!!.numColumns)
-        val expectedWorkspaceHeight = availableHeight
-        val expectedCellLayoutHeight =
-                expectedWorkspaceHeight - (dp.workspacePadding.top + dp.workspacePadding.bottom)
-        val expectedShortcutAndWidgetContainerHeight = expectedCellLayoutHeight -
-                (dp.cellLayoutPaddingPx.top + dp.cellLayoutPaddingPx.bottom)
-        assertThat(dp.getCellSize().y).isEqualTo(
-                (expectedShortcutAndWidgetContainerHeight -
-                        ((inv!!.numRows - 1) * dp.cellLayoutBorderSpacePx.y)) / inv!!.numRows)
-    }
-
-    @Test
-    fun getPanelCount_twoPanelLandscapeScalable4By4GridTablet_equalsTwoPanels() {
-        val tabletWidth = 2560
-        val tabletHeight = 1600
-        val availableWidth = 2560
-        val availableHeight = 1500
-        windowBounds = WindowBounds(tabletWidth, tabletHeight, availableWidth, availableHeight, 0)
-        useTwoPanels = true
-        whenever(info.isTablet(ArgumentMatchers.any())).thenReturn(true)
-        whenever(info.getDensityDpi()).thenReturn(320)
-        inv = getScalable4By4InvariantDeviceProfile()
-
-        val dp = newDP()
-
-        assertThat(dp.panelCount).isEqualTo(2)
-    }
-
-    fun getScalable4By4InvariantDeviceProfile(): InvariantDeviceProfile {
-        return InvariantDeviceProfile().apply {
-            isScalable = true
-            numColumns = 4
-            numRows = 4
-            numShownHotseatIcons = 4
-            numDatabaseHotseatIcons = 6
-            numShrunkenHotseatIcons = 5
-            horizontalMargin = FloatArray(4) { 22f }
-            borderSpaces = listOf(
-                    PointF(16f, 16f),
-                    PointF(16f, 16f),
-                    PointF(16f, 16f),
-                    PointF(16f, 16f)
-            ).toTypedArray()
-            allAppsBorderSpaces = listOf(
-                    PointF(16f, 16f),
-                    PointF(16f, 16f),
-                    PointF(16f, 16f),
-                    PointF(16f, 16f)
-            ).toTypedArray()
-            hotseatBorderSpaces = FloatArray(4) { 16f }
-            hotseatColumnSpan = IntArray(4) { 4 }
-            iconSize = FloatArray(4) { 56f }
-            allAppsIconSize = FloatArray(4) { 56f }
-            iconTextSize = FloatArray(4) { 14f }
-            allAppsIconTextSize = FloatArray(4) { 14f }
-            minCellSize = listOf(
-                    PointF(64f, 83f),
-                    PointF(64f, 83f),
-                    PointF(64f, 83f),
-                    PointF(64f, 83f)
-            ).toTypedArray()
-            allAppsCellSize = listOf(
-                    PointF(64f, 83f),
-                    PointF(64f, 83f),
-                    PointF(64f, 83f),
-                    PointF(64f, 83f)
-            ).toTypedArray()
-            inlineQsb = booleanArrayOf(
-                    false,
-                    false,
-                    false,
-                    false
-            )
-        }
-    }
-}
\ No newline at end of file
diff --git a/tests/src/com/android/launcher3/HotseatShownIconsTest.kt b/tests/src/com/android/launcher3/HotseatSizeTest.kt
similarity index 97%
rename from tests/src/com/android/launcher3/HotseatShownIconsTest.kt
rename to tests/src/com/android/launcher3/HotseatSizeTest.kt
index 593239d..a44939f 100644
--- a/tests/src/com/android/launcher3/HotseatShownIconsTest.kt
+++ b/tests/src/com/android/launcher3/HotseatSizeTest.kt
@@ -23,13 +23,15 @@
 import com.google.common.truth.Truth.assertThat
 import org.junit.Test
 import org.junit.runner.RunWith
+import org.mockito.ArgumentMatchers
+import org.mockito.Mockito.`when` as whenever
 
 /**
  * Test for [DeviceProfile]
  */
 @SmallTest
 @RunWith(AndroidJUnit4::class)
-class HotseatShownIconsTest : DeviceProfileBaseTest() {
+class HotseatSizeTest : DeviceProfileBaseTest() {
 
     @Test
     fun hotseat_size_is_normal_for_handhelds() {
diff --git a/tests/src/com/android/launcher3/InlineQsbTest.kt b/tests/src/com/android/launcher3/InlineQsbTest.kt
index 905c1e1..e00dca8 100644
--- a/tests/src/com/android/launcher3/InlineQsbTest.kt
+++ b/tests/src/com/android/launcher3/InlineQsbTest.kt
@@ -29,16 +29,17 @@
 class InlineQsbTest : DeviceProfileBaseTest() {
 
     @Test
-    fun qsb_is_not_inline_for_phones() {
+    fun qsbWidth_is_match_parent_for_phones() {
         initializeVarsForPhone()
 
         val dp = newDP()
 
         assertThat(dp.isQsbInline).isFalse()
+        assertThat(dp.qsbWidth).isEqualTo(0)
     }
 
     @Test
-    fun qsb_is_inline_for_tablet_portrait() {
+    fun qsbWidth_is_match_parent_for_tablet_portrait() {
         initializeVarsForTablet()
         inv = newScalableInvariantDeviceProfile().apply {
             inlineQsb = booleanArrayOf(
@@ -61,10 +62,11 @@
         )
 
         assertThat(dp.isQsbInline).isFalse()
+        assertThat(dp.qsbWidth).isEqualTo(0)
     }
 
     @Test
-    fun qsb_is_inline_for_tablet_landscape() {
+    fun qsbWidth_has_size_for_tablet_landscape() {
         initializeVarsForTablet(isLandscape = true)
         inv = newScalableInvariantDeviceProfile().apply {
             inlineQsb = booleanArrayOf(
@@ -73,17 +75,16 @@
                 false,
                 false
             )
-            numColumns = 6
-            numRows = 5
-            numShownHotseatIcons = 6
         }
 
         val dp = newDP()
 
         if (dp.hotseatQsbHeight > 0) {
             assertThat(dp.isQsbInline).isTrue()
+            assertThat(dp.qsbWidth).isGreaterThan(0)
         } else { // Launcher3 doesn't have QSB height
             assertThat(dp.isQsbInline).isFalse()
+            assertThat(dp.qsbWidth).isEqualTo(0)
         }
     }
 
@@ -91,13 +92,14 @@
      * This test is to make sure that a tablet doesn't inline the QSB if the layout doesn't support
      */
     @Test
-    fun qsb_is_not_inline_for_tablet_landscape_without_inline() {
+    fun qsbWidth_is_match_parent_for_tablet_landscape_without_inline() {
         initializeVarsForTablet(isLandscape = true)
         useTwoPanels = true
 
         val dp = newDP()
 
         assertThat(dp.isQsbInline).isFalse()
+        assertThat(dp.qsbWidth).isEqualTo(0)
     }
 
 }
\ No newline at end of file
diff --git a/tests/src/com/android/launcher3/deviceemulator/models/DeviceEmulationData.java b/tests/src/com/android/launcher3/deviceemulator/models/DeviceEmulationData.java
index 8d275cc..3623513 100644
--- a/tests/src/com/android/launcher3/deviceemulator/models/DeviceEmulationData.java
+++ b/tests/src/com/android/launcher3/deviceemulator/models/DeviceEmulationData.java
@@ -135,7 +135,7 @@
             resourceOverrides.put(s, getDimenByName(s, context.getResources(), 0));
         }
         return new DeviceEmulationData(info.currentSize.x, info.currentSize.y,
-                info.getDensityDpi(), info.cutout, code, grids, resourceOverrides);
+                info.densityDpi, info.cutout, code, grids, resourceOverrides);
     }
 
     public static DeviceEmulationData getDevice(String deviceCode) throws Exception {