diff --git a/quickstep/src/com/android/quickstep/OrientationTouchTransformer.java b/quickstep/src/com/android/quickstep/OrientationTouchTransformer.java
index eb33f98..b258a10 100644
--- a/quickstep/src/com/android/quickstep/OrientationTouchTransformer.java
+++ b/quickstep/src/com/android/quickstep/OrientationTouchTransformer.java
@@ -66,6 +66,7 @@
     private final RectF mOneHandedModeRegion = new RectF();
     private int mCurrentDisplayRotation;
     private int mNavBarGesturalHeight;
+    private int mNavBarLargerGesturalHeight;
     private boolean mEnableMultipleRegions;
     private Resources mResources;
     private OrientationRectF mLastRectTouched;
@@ -106,6 +107,9 @@
         mMode = mode;
         mContractInfo = contractInfo;
         mNavBarGesturalHeight = getNavbarSize(ResourceUtils.NAVBAR_BOTTOM_GESTURE_SIZE);
+        mNavBarLargerGesturalHeight = ResourceUtils.getDimenByName(
+                ResourceUtils.NAVBAR_BOTTOM_GESTURE_LARGER_SIZE, resources,
+                mNavBarGesturalHeight);
     }
 
     private void refreshTouchRegion(Info info, Resources newRes) {
@@ -234,6 +238,7 @@
         Point size = display.realSize;
         int rotation = display.rotation;
         int touchHeight = mNavBarGesturalHeight;
+        int largerGesturalHeight = mNavBarLargerGesturalHeight;
         OrientationRectF orientationRectF =
                 new OrientationRectF(0, 0, size.x, size.y, rotation);
         if (mMode == SysUINavigationMode.Mode.NO_BUTTON) {
@@ -256,7 +261,8 @@
             }
         }
         // One handed gestural only active on portrait mode
-        mOneHandedModeRegion.set(0, orientationRectF.bottom - touchHeight, size.x, size.y);
+        mOneHandedModeRegion.set(0, orientationRectF.bottom - mNavBarLargerGesturalHeight,
+                size.x, size.y);
 
         return orientationRectF;
     }
@@ -378,6 +384,7 @@
         }
         pw.println(regions.toString());
         pw.println("  mNavBarGesturalHeight=" + mNavBarGesturalHeight);
+        pw.println("  mNavBarLargerGesturalHeight=" + mNavBarLargerGesturalHeight);
         pw.println("  mOneHandedModeRegion=" + mOneHandedModeRegion);
     }
 
diff --git a/quickstep/src/com/android/quickstep/SysUINavigationMode.java b/quickstep/src/com/android/quickstep/SysUINavigationMode.java
index 6b50218..9bf0cfe 100644
--- a/quickstep/src/com/android/quickstep/SysUINavigationMode.java
+++ b/quickstep/src/com/android/quickstep/SysUINavigationMode.java
@@ -74,6 +74,7 @@
     private Mode mMode;
 
     private int mNavBarGesturalHeight;
+    private int mNavBarLargerGesturalHeight;
 
     private final List<NavigationModeChangeListener> mChangeListeners = new ArrayList<>();
     private final List<OneHandedModeChangeListener> mOneHandedOverlayChangeListeners =
@@ -113,6 +114,17 @@
 
         if (mNavBarGesturalHeight != newGesturalHeight) {
             mNavBarGesturalHeight = newGesturalHeight;
+        }
+
+        int newLargerGesturalHeight = ResourceUtils.getDimenByName(
+                ResourceUtils.NAVBAR_BOTTOM_GESTURE_LARGER_SIZE, mContext.getResources(),
+                INVALID_RESOURCE_HANDLE);
+        if (newLargerGesturalHeight == INVALID_RESOURCE_HANDLE) {
+            Log.e(TAG, "Failed to get system resource ID. Incompatible framework version?");
+            return;
+        }
+        if (mNavBarLargerGesturalHeight != newLargerGesturalHeight) {
+            mNavBarLargerGesturalHeight = newLargerGesturalHeight;
             dispatchOneHandedOverlayChange();
         }
     }
@@ -123,6 +135,9 @@
         mNavBarGesturalHeight = ResourceUtils.getDimenByName(
                 ResourceUtils.NAVBAR_BOTTOM_GESTURE_SIZE, mContext.getResources(),
                 INVALID_RESOURCE_HANDLE);
+        mNavBarLargerGesturalHeight = ResourceUtils.getDimenByName(
+                ResourceUtils.NAVBAR_BOTTOM_GESTURE_LARGER_SIZE, mContext.getResources(),
+                mNavBarGesturalHeight);
 
         if (modeInt == INVALID_RESOURCE_HANDLE) {
             Log.e(TAG, "Failed to get system resource ID. Incompatible framework version?");
@@ -144,7 +159,7 @@
 
     private void dispatchOneHandedOverlayChange() {
         for (OneHandedModeChangeListener listener : mOneHandedOverlayChangeListeners) {
-            listener.onOneHandedModeChanged(mNavBarGesturalHeight);
+            listener.onOneHandedModeChanged(mNavBarLargerGesturalHeight);
         }
     }
 
@@ -159,7 +174,7 @@
 
     public int addOneHandedOverlayChangeListener(OneHandedModeChangeListener listener) {
         mOneHandedOverlayChangeListeners.add(listener);
-        return mNavBarGesturalHeight;
+        return mNavBarLargerGesturalHeight;
     }
 
     public void removeOneHandedOverlayChangeListener(OneHandedModeChangeListener listener) {
@@ -195,4 +210,4 @@
     public interface OneHandedModeChangeListener {
         void onOneHandedModeChanged(int newGesturalHeight);
     }
-}
\ No newline at end of file
+}
diff --git a/src/com/android/launcher3/ResourceUtils.java b/src/com/android/launcher3/ResourceUtils.java
index c9fb75a..f60e1f8 100644
--- a/src/com/android/launcher3/ResourceUtils.java
+++ b/src/com/android/launcher3/ResourceUtils.java
@@ -25,6 +25,8 @@
     public static final int INVALID_RESOURCE_HANDLE = -1;
     public static final String NAVBAR_LANDSCAPE_LEFT_RIGHT_SIZE = "navigation_bar_width";
     public static final String NAVBAR_BOTTOM_GESTURE_SIZE = "navigation_bar_gesture_height";
+    public static final String NAVBAR_BOTTOM_GESTURE_LARGER_SIZE =
+            "navigation_bar_gesture_larger_height";
 
     public static int getNavbarSize(String resName, Resources res) {
         return getDimenByName(resName, res, DEFAULT_NAVBAR_VALUE);