diff --git a/quickstep/res/values/colors.xml b/quickstep/res/values/colors.xml
index 167c7c3d0f..2f24441c2c 100644
--- a/quickstep/res/values/colors.xml
+++ b/quickstep/res/values/colors.xml
@@ -26,6 +26,6 @@
     <color name="all_apps_prediction_row_separator_dark">#3cffffff</color>
 
     <!-- Taskbar -->
-    <color name="taskbar_background">#101010</color>
+    <color name="taskbar_background">@color/overview_scrim_dark</color>
     <color name="taskbar_icon_selection_ripple">#E0E0E0</color>
 </resources>
\ No newline at end of file
diff --git a/quickstep/src/com/android/quickstep/fallback/FallbackRecentsView.java b/quickstep/src/com/android/quickstep/fallback/FallbackRecentsView.java
index de79372591..540a9cafc0 100644
--- a/quickstep/src/com/android/quickstep/fallback/FallbackRecentsView.java
+++ b/quickstep/src/com/android/quickstep/fallback/FallbackRecentsView.java
@@ -24,6 +24,7 @@ import android.animation.AnimatorSet;
 import android.annotation.TargetApi;
 import android.app.ActivityManager.RunningTaskInfo;
 import android.content.Context;
+import android.content.res.Configuration;
 import android.os.Build;
 import android.util.AttributeSet;
 import android.view.MotionEvent;
@@ -36,11 +37,10 @@ import com.android.launcher3.statemanager.StateManager.StateListener;
 import com.android.quickstep.FallbackActivityInterface;
 import com.android.quickstep.GestureState;
 import com.android.quickstep.RecentsActivity;
-import com.android.quickstep.util.TaskViewSimulator;
 import com.android.quickstep.util.SplitSelectStateController;
+import com.android.quickstep.util.TaskViewSimulator;
 import com.android.quickstep.views.OverviewActionsView;
 import com.android.quickstep.views.RecentsView;
-import com.android.quickstep.views.SplitPlaceholderView;
 import com.android.quickstep.views.TaskView;
 import com.android.systemui.shared.recents.model.Task;
 import com.android.systemui.shared.recents.model.Task.TaskKey;
@@ -184,6 +184,7 @@ public class FallbackRecentsView extends RecentsView<RecentsActivity, RecentsSta
         } else {
             if (mActivity.isInState(RecentsState.MODAL_TASK)) {
                 mActivity.getStateManager().goToState(DEFAULT);
+                resetModalVisuals();
             }
         }
     }
@@ -221,4 +222,12 @@ public class FallbackRecentsView extends RecentsView<RecentsActivity, RecentsSta
         // Do not let touch escape to siblings below this view.
         return result || mActivity.getStateManager().getState().overviewUi();
     }
+
+    @Override
+    protected void onConfigurationChanged(Configuration newConfig) {
+        super.onConfigurationChanged(newConfig);
+
+        // Reset modal state if full configuration changes
+        setModalStateEnabled(false);
+    }
 }
diff --git a/quickstep/src/com/android/quickstep/views/LauncherRecentsView.java b/quickstep/src/com/android/quickstep/views/LauncherRecentsView.java
index 152c2bd47f..6b2d19c7df 100644
--- a/quickstep/src/com/android/quickstep/views/LauncherRecentsView.java
+++ b/quickstep/src/com/android/quickstep/views/LauncherRecentsView.java
@@ -227,6 +227,7 @@ public class LauncherRecentsView extends RecentsView<BaseQuickstepLauncher, Laun
         } else {
             if (mActivity.isInState(LauncherState.OVERVIEW_MODAL_TASK)) {
                 mActivity.getStateManager().goToState(LauncherState.OVERVIEW);
+                resetModalVisuals();
             }
         }
     }
@@ -254,9 +255,6 @@ public class LauncherRecentsView extends RecentsView<BaseQuickstepLauncher, Laun
         super.onConfigurationChanged(newConfig);
         // If overview is in modal state when rotate, reset it to overview state without running
         // animation.
-        if (mActivity.isInState(OVERVIEW_MODAL_TASK)) {
-            mActivity.getStateManager().goToState(LauncherState.OVERVIEW, false);
-            resetModalVisuals();
-        }
+        setModalStateEnabled(false);
     }
 }
diff --git a/quickstep/src/com/android/quickstep/views/RecentsView.java b/quickstep/src/com/android/quickstep/views/RecentsView.java
index ef305acbf7..b90389ac26 100644
--- a/quickstep/src/com/android/quickstep/views/RecentsView.java
+++ b/quickstep/src/com/android/quickstep/views/RecentsView.java
@@ -1383,6 +1383,7 @@ public abstract class RecentsView<ACTIVITY_TYPE extends StatefulActivity<STATE_T
                 || !mOrientationHandler.equals(oldOrientationHandler)) {
             // Changed orientations, update controllers so they intercept accordingly.
             mActivity.getDragLayer().recreateControllers();
+            setModalStateEnabled(false);
         }
 
         boolean isInLandscape = mOrientationState.getTouchRotation() != ROTATION_0
@@ -1864,7 +1865,7 @@ public abstract class RecentsView<ACTIVITY_TYPE extends StatefulActivity<STATE_T
     public void onGestureAnimationEnd() {
         mGestureActive = false;
         if (mOrientationState.setGestureActive(false)) {
-            updateOrientationHandler();
+            updateOrientationHandler(/* forceRecreateDragLayerControllers = */ false);
         }
 
         setEnableFreeScroll(true);
diff --git a/res/drawable-v31/bg_deferred_app_widget.xml b/res/drawable-v31/bg_deferred_app_widget.xml
new file mode 100644
index 0000000000..a08998de7b
--- /dev/null
+++ b/res/drawable-v31/bg_deferred_app_widget.xml
@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  Copyright (C) 2021 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.
+-->
+<inset xmlns:android="http://schemas.android.com/apk/res/android"
+    android:inset="8dp">
+    <shape android:shape="rectangle">
+        <corners android:radius="@android:dimen/system_app_widget_background_radius" />
+        <solid android:color="#77000000" />
+    </shape>
+</inset>
diff --git a/res/layout/add_item_confirmation_activity.xml b/res/layout/add_item_confirmation_activity.xml
index c57b75a813..e29e1b1fef 100644
--- a/res/layout/add_item_confirmation_activity.xml
+++ b/res/layout/add_item_confirmation_activity.xml
@@ -37,7 +37,7 @@
             android:id="@+id/add_item_bottom_sheet_content"
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
-            android:padding="24dp"
+            android:paddingVertical="24dp"
             android:background="@drawable/add_item_dialog_background"
             android:orientation="vertical" >
 
@@ -46,6 +46,7 @@
                 android:id="@+id/widget_appName"
                 android:layout_width="match_parent"
                 android:layout_height="wrap_content"
+                android:layout_marginHorizontal="@dimen/widget_list_horizontal_margin"
                 android:gravity="center_horizontal"
                 android:textColor="?android:attr/textColorPrimary"
                 android:textSize="24sp"
@@ -55,8 +56,10 @@
                 android:maxLines="1" />
 
             <TextView
+                android:id="@+id/widget_drag_instruction"
                 android:layout_width="match_parent"
                 android:layout_height="wrap_content"
+                android:layout_marginHorizontal="@dimen/widget_list_horizontal_margin"
                 android:gravity="center_horizontal"
                 android:paddingTop="8dp"
                 android:text="@string/add_item_request_drag_hint"
@@ -75,12 +78,15 @@
                     android:id="@+id/widget_cell"
                     layout="@layout/widget_cell"
                     android:layout_width="match_parent"
-                    android:layout_height="wrap_content" />
+                    android:layout_height="wrap_content"
+                    android:layout_marginHorizontal="@dimen/widget_list_horizontal_margin" />
             </ScrollView>
 
             <LinearLayout
+                android:id="@+id/actions_container"
                 android:layout_width="match_parent"
                 android:layout_height="wrap_content"
+                android:layout_marginHorizontal="@dimen/widget_list_horizontal_margin"
                 android:gravity="center_vertical|end"
                 android:paddingVertical="8dp"
                 android:orientation="horizontal">
diff --git a/res/layout/widgets_bottom_sheet_content.xml b/res/layout/widgets_bottom_sheet_content.xml
index 3b3ff8b426..3d330dce85 100644
--- a/res/layout/widgets_bottom_sheet_content.xml
+++ b/res/layout/widgets_bottom_sheet_content.xml
@@ -47,6 +47,7 @@
             <include layout="@layout/widgets_table_container"
                 android:layout_width="match_parent"
                 android:layout_height="wrap_content"
+                android:layout_marginHorizontal="@dimen/widget_list_horizontal_margin"
                 android:layout_gravity="center_horizontal" />
         </ScrollView>
     </LinearLayout>
diff --git a/res/layout/widgets_full_sheet.xml b/res/layout/widgets_full_sheet.xml
index 1b4f3b984e..96b73c2ce5 100644
--- a/res/layout/widgets_full_sheet.xml
+++ b/res/layout/widgets_full_sheet.xml
@@ -57,6 +57,7 @@
             android:id="@+id/search_widgets_list_view"
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
+            android:layout_marginHorizontal="@dimen/widget_list_horizontal_margin"
             android:visibility="gone"
             android:clipToPadding="false" />
 
diff --git a/res/layout/widgets_full_sheet_paged_view.xml b/res/layout/widgets_full_sheet_paged_view.xml
index f0ddc2bb66..fefad19ae3 100644
--- a/res/layout/widgets_full_sheet_paged_view.xml
+++ b/res/layout/widgets_full_sheet_paged_view.xml
@@ -20,6 +20,7 @@
         android:id="@+id/widgets_view_pager"
         android:layout_width="match_parent"
         android:layout_height="match_parent"
+        android:layout_marginHorizontal="@dimen/widget_list_horizontal_margin"
         android:clipToPadding="false"
         android:paddingTop="@dimen/widget_picker_view_pager_top_padding"
         android:descendantFocusability="afterDescendants"
diff --git a/res/layout/widgets_full_sheet_recyclerview.xml b/res/layout/widgets_full_sheet_recyclerview.xml
index fbe559c663..0f7e020114 100644
--- a/res/layout/widgets_full_sheet_recyclerview.xml
+++ b/res/layout/widgets_full_sheet_recyclerview.xml
@@ -18,4 +18,5 @@
     android:id="@+id/primary_widgets_list_view"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
+    android:layout_marginHorizontal="@dimen/widget_list_horizontal_margin"
     android:clipToPadding="false" />
\ No newline at end of file
diff --git a/res/layout/widgets_full_sheet_search_and_recommendations.xml b/res/layout/widgets_full_sheet_search_and_recommendations.xml
index 4a3e20d8ba..938c8ed2c2 100644
--- a/res/layout/widgets_full_sheet_search_and_recommendations.xml
+++ b/res/layout/widgets_full_sheet_search_and_recommendations.xml
@@ -18,6 +18,7 @@
     android:id="@+id/search_and_recommendations_container"
     android:layout_width="match_parent"
     android:layout_height="wrap_content"
+    android:layout_marginHorizontal="@dimen/widget_list_horizontal_margin"
     android:layout_marginBottom="16dp"
     android:orientation="vertical">
 
@@ -53,7 +54,6 @@
         android:id="@+id/recommended_widget_table"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
-        android:layout_marginHorizontal="@dimen/widget_list_horizontal_margin"
         android:layout_marginTop="8dp"
         android:background="@drawable/widgets_recommendation_background"
         android:paddingVertical="@dimen/recommended_widgets_table_vertical_padding"
diff --git a/res/layout/widgets_list_row_header.xml b/res/layout/widgets_list_row_header.xml
index 7f84050a47..8f0eae7ed3 100644
--- a/res/layout/widgets_list_row_header.xml
+++ b/res/layout/widgets_list_row_header.xml
@@ -19,7 +19,6 @@
     android:id="@+id/widgets_list_header"
     android:layout_width="match_parent"
     android:layout_height="wrap_content"
-    android:layout_marginHorizontal="@dimen/widget_list_horizontal_margin"
     android:paddingVertical="@dimen/widget_list_header_view_vertical_padding"
     android:orientation="horizontal"
     launcher:appIconSize="48dp">
diff --git a/res/layout/widgets_search_bar.xml b/res/layout/widgets_search_bar.xml
index cb27f4fb6f..9178a75076 100644
--- a/res/layout/widgets_search_bar.xml
+++ b/res/layout/widgets_search_bar.xml
@@ -6,7 +6,6 @@
     android:layout_height="wrap_content"
     android:orientation="horizontal"
     android:layout_marginTop="24dp"
-    android:layout_marginHorizontal="@dimen/widget_list_horizontal_margin"
     android:background="@drawable/bg_widgets_searchbox">
 
     <com.android.launcher3.ExtendedEditText
diff --git a/res/layout/widgets_table_container.xml b/res/layout/widgets_table_container.xml
index ab470d8fa5..ab96b13431 100644
--- a/res/layout/widgets_table_container.xml
+++ b/res/layout/widgets_table_container.xml
@@ -17,5 +17,4 @@
     xmlns:android="http://schemas.android.com/apk/res/android"
     android:id="@+id/widgets_table"
     android:layout_width="match_parent"
-    android:layout_height="wrap_content"
-    android:layout_marginHorizontal="@dimen/widget_list_horizontal_margin" />
+    android:layout_height="wrap_content" />
diff --git a/res/values-hi/strings.xml b/res/values-hi/strings.xml
index e2310749e1..53640fe2e9 100644
--- a/res/values-hi/strings.xml
+++ b/res/values-hi/strings.xml
@@ -71,7 +71,7 @@
     <string name="all_apps_button_label" msgid="8130441508702294465">"ऐप्लिकेशन सूची"</string>
     <string name="all_apps_button_personal_label" msgid="1315764287305224468">"निजी ऐप्लिकेशन की सूची"</string>
     <string name="all_apps_button_work_label" msgid="7270707118948892488">"काम से जुड़े ऐप्लिकेशन की सूची"</string>
-    <string name="remove_drop_target_label" msgid="7812859488053230776">"निकालें"</string>
+    <string name="remove_drop_target_label" msgid="7812859488053230776">"हटाएं"</string>
     <string name="uninstall_drop_target_label" msgid="4722034217958379417">"अनइंस्टॉल करें"</string>
     <string name="app_info_drop_target_label" msgid="692894985365717661">"ऐप्लिकेशन की जानकारी"</string>
     <string name="install_drop_target_label" msgid="2539096853673231757">"इंस्‍टॉल करें"</string>
diff --git a/res/values-sw600dp/dimens.xml b/res/values-sw600dp/dimens.xml
index 47a88f2263..3727932676 100644
--- a/res/values-sw600dp/dimens.xml
+++ b/res/values-sw600dp/dimens.xml
@@ -17,4 +17,7 @@
 <resources>
 <!-- DragController -->
     <dimen name="drag_flingToDeleteMinVelocity">-1000dp</dimen>
+
+<!-- Widgets pickers -->
+    <dimen name="widget_list_horizontal_margin">32dp</dimen>
 </resources>
diff --git a/res/values/dimens.xml b/res/values/dimens.xml
index dd276859e4..3339bf14c5 100644
--- a/res/values/dimens.xml
+++ b/res/values/dimens.xml
@@ -196,6 +196,7 @@
     <dimen name="drop_target_text_size">16sp</dimen>
     <dimen name="drop_target_shadow_elevation">2dp</dimen>
     <dimen name="drop_target_bar_margin_horizontal">4dp</dimen>
+    <dimen name="drop_target_button_drawable_padding">8dp</dimen>
 
     <!-- the distance an icon must be dragged before button drop targets accept it -->
     <dimen name="drag_distanceThreshold">30dp</dimen>
diff --git a/res/values/styles.xml b/res/values/styles.xml
index e4a245a5c2..b7661b9798 100644
--- a/res/values/styles.xml
+++ b/res/values/styles.xml
@@ -259,7 +259,7 @@
 
     <!-- Drop targets -->
     <style name="DropTargetButtonBase" parent="@android:style/TextAppearance.DeviceDefault">
-        <item name="android:drawablePadding">8dp</item>
+        <item name="android:drawablePadding">@dimen/drop_target_button_drawable_padding</item>
         <item name="android:padding">14dp</item>
         <item name="android:textColor">@color/drop_target_text</item>
         <item name="android:textSize">@dimen/drop_target_text_size</item>
diff --git a/src/com/android/launcher3/ButtonDropTarget.java b/src/com/android/launcher3/ButtonDropTarget.java
index 1c3f329ac9..45206723c2 100644
--- a/src/com/android/launcher3/ButtonDropTarget.java
+++ b/src/com/android/launcher3/ButtonDropTarget.java
@@ -66,6 +66,8 @@ public abstract class ButtonDropTarget extends TextView
     private final int mDragDistanceThreshold;
     /** The size of the drawable shown in the drop target. */
     private final int mDrawableSize;
+    /** The padding, in pixels, between the text and drawable. */
+    private final int mDrawablePadding;
 
     protected CharSequence mText;
     protected Drawable mDrawable;
@@ -85,6 +87,8 @@ public abstract class ButtonDropTarget extends TextView
         Resources resources = getResources();
         mDragDistanceThreshold = resources.getDimensionPixelSize(R.dimen.drag_distanceThreshold);
         mDrawableSize = resources.getDimensionPixelSize(R.dimen.drop_target_text_size);
+        mDrawablePadding = resources.getDimensionPixelSize(
+                R.dimen.drop_target_button_drawable_padding);
     }
 
     @Override
@@ -301,6 +305,8 @@ public abstract class ButtonDropTarget extends TextView
             mTextVisible = isVisible;
             setText(newText);
             setCompoundDrawablesRelative(mDrawable, null, null, null);
+            int drawablePadding = mTextVisible ? mDrawablePadding : 0;
+            setCompoundDrawablePadding(drawablePadding);
         }
     }
 
diff --git a/src/com/android/launcher3/config/FeatureFlags.java b/src/com/android/launcher3/config/FeatureFlags.java
index 1779ddb10c..9b71918ef9 100644
--- a/src/com/android/launcher3/config/FeatureFlags.java
+++ b/src/com/android/launcher3/config/FeatureFlags.java
@@ -175,8 +175,8 @@ public final class FeatureFlags {
             "ENABLE_SMARTSPACE_UNIVERSAL", false,
             "Replace Smartspace with a version rendered by System UI.");
 
-    public static final BooleanFlag ENABLE_SMARTSPACE_ENHANCED = new DeviceFlag(
-            "ENABLE_SMARTSPACE_ENHANCED", false,
+    public static final BooleanFlag ENABLE_SMARTSPACE_ENHANCED = getDebugFlag(
+            "ENABLE_SMARTSPACE_ENHANCED", true,
             "Replace Smartspace with the enhanced version. "
                     + "Ignored if ENABLE_SMARTSPACE_UNIVERSAL is enabled.");
 
diff --git a/src/com/android/launcher3/graphics/PreviewSurfaceRenderer.java b/src/com/android/launcher3/graphics/PreviewSurfaceRenderer.java
index f3087c048f..d0464a4883 100644
--- a/src/com/android/launcher3/graphics/PreviewSurfaceRenderer.java
+++ b/src/com/android/launcher3/graphics/PreviewSurfaceRenderer.java
@@ -165,7 +165,7 @@ public class PreviewSurfaceRenderer {
 
                 @Override
                 public void run() {
-                    DeviceProfile deviceProfile = mIdp.getDeviceProfile(mContext);
+                    DeviceProfile deviceProfile = mIdp.getDeviceProfile(previewContext);
                     String query = (deviceProfile.isTwoPanels ? LauncherSettings.Favorites.SCREEN
                             + " = " + Workspace.LEFT_PANEL_ID + " or " : "")
                             + LauncherSettings.Favorites.SCREEN + " = " + Workspace.FIRST_SCREEN_ID
diff --git a/src/com/android/launcher3/widget/AddItemWidgetsBottomSheet.java b/src/com/android/launcher3/widget/AddItemWidgetsBottomSheet.java
index b92c476e5a..d2d569f79f 100644
--- a/src/com/android/launcher3/widget/AddItemWidgetsBottomSheet.java
+++ b/src/com/android/launcher3/widget/AddItemWidgetsBottomSheet.java
@@ -49,6 +49,8 @@ public class AddItemWidgetsBottomSheet extends AbstractSlideInView<AddItemActivi
     private final Rect mInsets;
     private ScrollView mWidgetPreviewScrollView;
 
+    private int mContentHorizontalMarginInPx;
+
     public AddItemWidgetsBottomSheet(Context context, AttributeSet attrs) {
         this(context, attrs, 0);
     }
@@ -56,6 +58,8 @@ public class AddItemWidgetsBottomSheet extends AbstractSlideInView<AddItemActivi
     public AddItemWidgetsBottomSheet(Context context, AttributeSet attrs, int defStyleAttr) {
         super(context, attrs, defStyleAttr);
         mInsets = new Rect();
+        mContentHorizontalMarginInPx = getResources().getDimensionPixelSize(
+                R.dimen.widget_list_horizontal_margin);
     }
 
     /**
@@ -173,6 +177,26 @@ public class AddItemWidgetsBottomSheet extends AbstractSlideInView<AddItemActivi
         }
         mContent.setPadding(mContent.getPaddingStart(),
                 mContent.getPaddingTop(), mContent.getPaddingEnd(), mInsets.bottom);
+
+        int contentHorizontalMarginInPx = getResources().getDimensionPixelSize(
+                R.dimen.widget_list_horizontal_margin);
+        if (contentHorizontalMarginInPx != mContentHorizontalMarginInPx) {
+            setContentHorizontalMargin(findViewById(R.id.widget_appName),
+                    contentHorizontalMarginInPx);
+            setContentHorizontalMargin(findViewById(R.id.widget_drag_instruction),
+                    contentHorizontalMarginInPx);
+            setContentHorizontalMargin(findViewById(R.id.widget_cell), contentHorizontalMarginInPx);
+            setContentHorizontalMargin(findViewById(R.id.actions_container),
+                    contentHorizontalMarginInPx);
+            mContentHorizontalMarginInPx = contentHorizontalMarginInPx;
+        }
         return windowInsets;
     }
+
+    private static void setContentHorizontalMargin(View view, int contentHorizontalMargin) {
+        ViewGroup.MarginLayoutParams layoutParams =
+                ((ViewGroup.MarginLayoutParams) view.getLayoutParams());
+        layoutParams.setMarginStart(contentHorizontalMargin);
+        layoutParams.setMarginEnd(contentHorizontalMargin);
+    }
 }
diff --git a/src/com/android/launcher3/widget/BaseWidgetSheet.java b/src/com/android/launcher3/widget/BaseWidgetSheet.java
index 8e9769c6e2..b6cec1295e 100644
--- a/src/com/android/launcher3/widget/BaseWidgetSheet.java
+++ b/src/com/android/launcher3/widget/BaseWidgetSheet.java
@@ -66,8 +66,12 @@ public abstract class BaseWidgetSheet extends AbstractSlideInView<Launcher>
     /* Touch handling related member variables. */
     private Toast mWidgetInstructionToast;
 
+    private int mContentHorizontalMarginInPx;
+
     public BaseWidgetSheet(Context context, AttributeSet attrs, int defStyleAttr) {
         super(context, attrs, defStyleAttr);
+        mContentHorizontalMarginInPx = getResources().getDimensionPixelSize(
+                R.dimen.widget_list_horizontal_margin);
     }
 
     protected int getScrimColor(Context context) {
@@ -119,8 +123,16 @@ public abstract class BaseWidgetSheet extends AbstractSlideInView<Launcher>
     @Override
     public void setInsets(Rect insets) {
         mInsets.set(insets);
+        int contentHorizontalMarginInPx = getResources().getDimensionPixelSize(
+                R.dimen.widget_list_horizontal_margin);
+        if (contentHorizontalMarginInPx != mContentHorizontalMarginInPx) {
+            onContentHorizontalMarginChanged(contentHorizontalMarginInPx);
+            mContentHorizontalMarginInPx = contentHorizontalMarginInPx;
+        }
     }
 
+    /** Called when the horizontal margin of the content view has changed. */
+    protected abstract void onContentHorizontalMarginChanged(int contentHorizontalMarginInPx);
 
     /**
      * Measures the dimension of this view and its children by taking system insets, navigation bar,
diff --git a/src/com/android/launcher3/widget/DeferredAppWidgetHostView.java b/src/com/android/launcher3/widget/DeferredAppWidgetHostView.java
index 149ac57bfb..9c32e421e6 100644
--- a/src/com/android/launcher3/widget/DeferredAppWidgetHostView.java
+++ b/src/com/android/launcher3/widget/DeferredAppWidgetHostView.java
@@ -25,6 +25,7 @@ import android.text.StaticLayout;
 import android.text.TextPaint;
 import android.text.TextUtils;
 import android.util.TypedValue;
+import android.view.View;
 import android.widget.RemoteViews;
 
 import com.android.launcher3.R;
@@ -54,6 +55,11 @@ public class DeferredAppWidgetHostView extends LauncherAppWidgetHostView {
         // Not allowed
     }
 
+    @Override
+    public void addView(View child) {
+        // Not allowed
+    }
+
     @Override
     protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
         super.onMeasure(widthMeasureSpec, heightMeasureSpec);
diff --git a/src/com/android/launcher3/widget/WidgetsBottomSheet.java b/src/com/android/launcher3/widget/WidgetsBottomSheet.java
index 406de10809..6beff3a30e 100644
--- a/src/com/android/launcher3/widget/WidgetsBottomSheet.java
+++ b/src/com/android/launcher3/widget/WidgetsBottomSheet.java
@@ -70,11 +70,10 @@ public class WidgetsBottomSheet extends BaseWidgetSheet {
     private static final int DEFAULT_CLOSE_DURATION = 200;
     private static final long EDUCATION_TIP_DELAY_MS = 300;
 
-    private final int mWidgetSheetContentHorizontalPadding;
-
     private ItemInfo mOriginalItemInfo;
     private final int mMaxTableHeight;
     private int mMaxHorizontalSpan = DEFAULT_MAX_HORIZONTAL_SPANS;
+    private final int mWidgetCellHorizontalPadding;
 
     private final OnLayoutChangeListener mLayoutChangeListenerToShowTips =
             new OnLayoutChangeListener() {
@@ -119,9 +118,8 @@ public class WidgetsBottomSheet extends BaseWidgetSheet {
         if (!hasSeenEducationTip()) {
             addOnLayoutChangeListener(mLayoutChangeListenerToShowTips);
         }
-
-        mWidgetSheetContentHorizontalPadding = getResources().getDimensionPixelSize(
-                R.dimen.widget_list_horizontal_margin);
+        mWidgetCellHorizontalPadding = getResources().getDimensionPixelSize(
+                R.dimen.widget_cell_horizontal_padding);
     }
 
     @Override
@@ -142,8 +140,7 @@ public class WidgetsBottomSheet extends BaseWidgetSheet {
     private boolean updateMaxSpansPerRow() {
         if (getMeasuredWidth() == 0) return false;
 
-        int maxHorizontalSpan = computeMaxHorizontalSpans(mContent,
-                mWidgetSheetContentHorizontalPadding);
+        int maxHorizontalSpan = computeMaxHorizontalSpans(mContent, mWidgetCellHorizontalPadding);
         if (mMaxHorizontalSpan != maxHorizontalSpan) {
             // Ensure the table layout is showing widgets in the right column after measure.
             mMaxHorizontalSpan = maxHorizontalSpan;
@@ -274,6 +271,14 @@ public class WidgetsBottomSheet extends BaseWidgetSheet {
         }
     }
 
+    @Override
+    protected void onContentHorizontalMarginChanged(int contentHorizontalMarginInPx) {
+        ViewGroup.MarginLayoutParams layoutParams =
+                ((ViewGroup.MarginLayoutParams) findViewById(R.id.widgets_table).getLayoutParams());
+        layoutParams.setMarginStart(contentHorizontalMarginInPx);
+        layoutParams.setMarginEnd(contentHorizontalMarginInPx);
+    }
+
     @Override
     protected Pair<View, String> getAccessibilityTarget() {
         return Pair.create(findViewById(R.id.title),  getContext().getString(
diff --git a/src/com/android/launcher3/widget/picker/WidgetsFullSheet.java b/src/com/android/launcher3/widget/picker/WidgetsFullSheet.java
index e4ce27c491..e36ea905bc 100644
--- a/src/com/android/launcher3/widget/picker/WidgetsFullSheet.java
+++ b/src/com/android/launcher3/widget/picker/WidgetsFullSheet.java
@@ -358,6 +358,29 @@ public class WidgetsFullSheet extends BaseWidgetSheet
                 bottomPadding);
     }
 
+    @Override
+    protected void onContentHorizontalMarginChanged(int contentHorizontalMarginInPx) {
+        setContentViewChildHorizontalMargin(mSearchAndRecommendationViewHolder.mContainer,
+                contentHorizontalMarginInPx);
+        if (mViewPager == null) {
+            setContentViewChildHorizontalMargin(
+                    mAdapters.get(AdapterHolder.PRIMARY).mWidgetsRecyclerView,
+                    contentHorizontalMarginInPx);
+        } else {
+            setContentViewChildHorizontalMargin(mViewPager, contentHorizontalMarginInPx);
+        }
+        setContentViewChildHorizontalMargin(
+                mAdapters.get(AdapterHolder.SEARCH).mWidgetsRecyclerView,
+                contentHorizontalMarginInPx);
+    }
+
+    private static void setContentViewChildHorizontalMargin(View view, int horizontalMarginInPx) {
+        ViewGroup.MarginLayoutParams layoutParams =
+                (ViewGroup.MarginLayoutParams) view.getLayoutParams();
+        layoutParams.setMarginStart(horizontalMarginInPx);
+        layoutParams.setMarginEnd(horizontalMarginInPx);
+    }
+
     @Override
     protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
         doMeasure(widthMeasureSpec, heightMeasureSpec);