diff --git a/quickstep/res/values/strings.xml b/quickstep/res/values/strings.xml
index 59997e9..9604a77 100644
--- a/quickstep/res/values/strings.xml
+++ b/quickstep/res/values/strings.xml
@@ -39,6 +39,9 @@
     <!-- Accessibility title for the list of recent apps [CHAR_LIMIT=none] -->
     <string name="accessibility_recent_apps">Recent apps</string>
 
+    <!-- Accessibility confirmation for task closed -->
+    <string name="task_view_closed">Task Closed</string>
+
     <!-- Accessibility title for an app card in Recents for apps that have time limit set
      [CHAR_LIMIT=none] -->
     <string name="task_contents_description_with_remaining_time"><xliff:g id="task_description" example="GMail">%1$s</xliff:g>, <xliff:g id="remaining_time" example="7 minutes left today">%2$s</xliff:g></string>
diff --git a/quickstep/src/com/android/launcher3/statehandlers/DepthController.java b/quickstep/src/com/android/launcher3/statehandlers/DepthController.java
index e1d89a1..3242d42 100644
--- a/quickstep/src/com/android/launcher3/statehandlers/DepthController.java
+++ b/quickstep/src/com/android/launcher3/statehandlers/DepthController.java
@@ -289,9 +289,8 @@
         if (Float.compare(mDepth, depthF) == 0) {
             return;
         }
-        if (dispatchTransactionSurface(depthF)) {
-            mDepth = depthF;
-        }
+        dispatchTransactionSurface(depthF);
+        mDepth = depthF;
     }
 
     public void onOverlayScrollChanged(float progress) {
diff --git a/quickstep/src/com/android/quickstep/GestureState.java b/quickstep/src/com/android/quickstep/GestureState.java
index 01f6e23..ed0623d 100644
--- a/quickstep/src/com/android/quickstep/GestureState.java
+++ b/quickstep/src/com/android/quickstep/GestureState.java
@@ -20,6 +20,7 @@
 import static com.android.launcher3.logging.StatsLogManager.LAUNCHER_STATE_OVERVIEW;
 import static com.android.quickstep.MultiStateCallback.DEBUG_STATES;
 
+import android.annotation.Nullable;
 import android.annotation.TargetApi;
 import android.app.ActivityManager;
 import android.content.Intent;
@@ -397,11 +398,15 @@
      * while STATE_RECENTS_ANIMATION_CANCELED state is being set, and the caller is responsible for
      * calling {@link RecentsAnimationController#cleanupScreenshot()}.
      */
+    @Nullable
     HashMap<Integer, ThumbnailData> consumeRecentsAnimationCanceledSnapshot() {
-        HashMap<Integer, ThumbnailData> data =
-                new HashMap<Integer, ThumbnailData>(mRecentsAnimationCanceledSnapshots);
-        mRecentsAnimationCanceledSnapshots = null;
-        return data;
+        if (mRecentsAnimationCanceledSnapshots != null) {
+            HashMap<Integer, ThumbnailData> data =
+                    new HashMap<Integer, ThumbnailData>(mRecentsAnimationCanceledSnapshots);
+            mRecentsAnimationCanceledSnapshots = null;
+            return data;
+        }
+        return null;
     }
 
     void setSwipeUpStartTimeMs(long uptimeMs) {
diff --git a/quickstep/src/com/android/quickstep/SystemUiProxy.java b/quickstep/src/com/android/quickstep/SystemUiProxy.java
index 8a923bf..b428b67 100644
--- a/quickstep/src/com/android/quickstep/SystemUiProxy.java
+++ b/quickstep/src/com/android/quickstep/SystemUiProxy.java
@@ -34,7 +34,6 @@
 import android.os.RemoteException;
 import android.os.UserHandle;
 import android.util.Log;
-import android.util.Slog;
 import android.view.MotionEvent;
 import android.view.RemoteAnimationAdapter;
 import android.view.RemoteAnimationTarget;
@@ -772,10 +771,8 @@
     public ArrayList<GroupedRecentTaskInfo> getRecentTasks(int numTasks, int userId) {
         if (mRecentTasks != null) {
             try {
-                final GroupedRecentTaskInfo[] tasks = mRecentTasks.getRecentTasks(numTasks,
-                        RECENT_IGNORE_UNAVAILABLE, userId);
-                Log.d("b/206648922", "getRecentTasks(" + numTasks + "): result=" + tasks);
-                return new ArrayList<>(Arrays.asList(tasks));
+                return new ArrayList<>(Arrays.asList(mRecentTasks.getRecentTasks(numTasks,
+                        RECENT_IGNORE_UNAVAILABLE, userId)));
             } catch (RemoteException e) {
                 Log.w(TAG, "Failed call getRecentTasks", e);
             }
diff --git a/quickstep/src/com/android/quickstep/views/RecentsView.java b/quickstep/src/com/android/quickstep/views/RecentsView.java
index f0e57c9..02261af 100644
--- a/quickstep/src/com/android/quickstep/views/RecentsView.java
+++ b/quickstep/src/com/android/quickstep/views/RecentsView.java
@@ -1144,17 +1144,6 @@
             // Reset the running task when leaving overview since it can still have a reference to
             // its thumbnail
             mTmpRunningTasks = null;
-            // Remove grouped tasks and recycle once we exit overview
-            int taskCount = getTaskViewCount();
-            for (int i = 0; i < taskCount; i++) {
-                View v = getTaskViewAt(i);
-                if (!(v instanceof GroupedTaskView)) {
-                    return;
-                }
-                GroupedTaskView gtv = (GroupedTaskView) v;
-                gtv.onTaskListVisibilityChanged(false);
-                removeView(gtv);
-            }
             mSplitBoundsConfig = null;
         }
         updateLocusId();
@@ -2185,17 +2174,14 @@
      */
     protected boolean shouldAddStubTaskView(RunningTaskInfo[] runningTaskInfos) {
         if (runningTaskInfos.length > 1) {
-            // * Always create new view for GroupedTaskView
-            // * Remove existing associated taskViews for tasks currently in split
-            for (RunningTaskInfo rti : runningTaskInfos) {
-                TaskView taskView = getTaskViewByTaskId(rti.taskId);
-                if (taskView == null) {
-                    continue;
-                }
-                taskView.onTaskListVisibilityChanged(false);
-                removeView(taskView);
-            }
-            return true;
+            TaskView primaryTaskView = getTaskViewByTaskId(runningTaskInfos[0].taskId);
+            TaskView secondaryTaskView = getTaskViewByTaskId(runningTaskInfos[1].taskId);
+            int leftTopTaskViewId =
+                    (primaryTaskView == null) ? -1 : primaryTaskView.getTaskViewId();
+            int rightBottomTaskViewId =
+                    (secondaryTaskView == null) ? -1 : secondaryTaskView.getTaskViewId();
+            // Add a new stub view if both taskIds don't match any taskViews
+            return leftTopTaskViewId != rightBottomTaskViewId || leftTopTaskViewId == -1;
         }
         RunningTaskInfo runningTaskInfo = runningTaskInfos[0];
         return runningTaskInfo != null && getTaskViewByTaskId(runningTaskInfo.taskId) == null;
@@ -2246,7 +2232,7 @@
             measure(makeMeasureSpec(getMeasuredWidth(), EXACTLY),
                     makeMeasureSpec(getMeasuredHeight(), EXACTLY));
             layout(getLeft(), getTop(), getRight(), getBottom());
-        } else if (!needGroupTaskView && getTaskViewByTaskId(taskInfo.taskId) != null) {
+        } else if (getTaskViewByTaskId(taskInfo.taskId) != null) {
             runningTaskViewId = getTaskViewByTaskId(taskInfo.taskId).getTaskViewId();
         }
 
@@ -2797,6 +2783,8 @@
             }
         }
 
+        announceForAccessibility(getResources().getString(R.string.task_view_closed));
+
         float dismissTranslationInterpolationEnd = 1;
         boolean closeGapBetweenClearAll = false;
         boolean isClearAllHidden = isClearAllHidden();
diff --git a/quickstep/src/com/android/quickstep/views/TaskView.java b/quickstep/src/com/android/quickstep/views/TaskView.java
index 3e0eb91..2a442a7 100644
--- a/quickstep/src/com/android/quickstep/views/TaskView.java
+++ b/quickstep/src/com/android/quickstep/views/TaskView.java
@@ -16,6 +16,7 @@
 
 package com.android.quickstep.views;
 
+import static android.view.Display.DEFAULT_DISPLAY;
 import static android.widget.Toast.LENGTH_SHORT;
 
 import static com.android.launcher3.AbstractFloatingView.TYPE_TASK_MENU;
@@ -51,6 +52,7 @@
 import android.util.AttributeSet;
 import android.util.FloatProperty;
 import android.util.Log;
+import android.view.Display;
 import android.view.MotionEvent;
 import android.view.TouchDelegate;
 import android.view.View;
@@ -638,6 +640,7 @@
                 // If the recents animation is cancelled somehow between the parent if block and
                 // here, try to launch the task as a non live tile task.
                 launchTaskAnimated();
+                mIsClickableAsLiveTile = true;
                 return;
             }
 
@@ -659,6 +662,9 @@
 
                 @Override
                 public void onAnimationEnd(Animator animator) {
+                    if (mTask != null && mTask.key.displayId != getRootViewDisplayId()) {
+                        launchTaskAnimated();
+                    }
                     mIsClickableAsLiveTile = true;
                 }
             });
@@ -1519,7 +1525,8 @@
 
 
     private int getRootViewDisplayId() {
-        return getRootView().getDisplay().getDisplayId();
+        Display  display = getRootView().getDisplay();
+        return display != null ? display.getDisplayId() : DEFAULT_DISPLAY;
     }
 
     /**
diff --git a/quickstep/tests/src/com/android/quickstep/NavigationModeSwitchRule.java b/quickstep/tests/src/com/android/quickstep/NavigationModeSwitchRule.java
index 318f04e..1cb7529 100644
--- a/quickstep/tests/src/com/android/quickstep/NavigationModeSwitchRule.java
+++ b/quickstep/tests/src/com/android/quickstep/NavigationModeSwitchRule.java
@@ -20,9 +20,7 @@
 
 import static com.android.quickstep.NavigationModeSwitchRule.Mode.ALL;
 import static com.android.quickstep.NavigationModeSwitchRule.Mode.THREE_BUTTON;
-import static com.android.quickstep.NavigationModeSwitchRule.Mode.TWO_BUTTON;
 import static com.android.quickstep.NavigationModeSwitchRule.Mode.ZERO_BUTTON;
-import static com.android.systemui.shared.system.QuickStepContract.NAV_BAR_MODE_2BUTTON_OVERLAY;
 import static com.android.systemui.shared.system.QuickStepContract.NAV_BAR_MODE_3BUTTON_OVERLAY;
 import static com.android.systemui.shared.system.QuickStepContract.NAV_BAR_MODE_GESTURAL_OVERLAY;
 
@@ -61,7 +59,7 @@
     public static final int WAIT_TIME_MS = 10000;
 
     public enum Mode {
-        THREE_BUTTON, TWO_BUTTON, ZERO_BUTTON, ALL
+        THREE_BUTTON, ZERO_BUTTON, ALL
     }
 
     // Annotation for tests that need to be run with quickstep enabled and disabled.
@@ -99,9 +97,6 @@
                         if (mode == ZERO_BUTTON || mode == ALL) {
                             evaluateWithZeroButtons();
                         }
-                        if (mode == TWO_BUTTON || mode == ALL) {
-                            evaluateWithTwoButtons();
-                        }
                         if (mode == THREE_BUTTON || mode == ALL) {
                             evaluateWithThreeButtons();
                         }
@@ -123,13 +118,6 @@
                     }
                 }
 
-                private void evaluateWithTwoButtons() throws Throwable {
-                    if (setActiveOverlay(mLauncher, NAV_BAR_MODE_2BUTTON_OVERLAY,
-                            LauncherInstrumentation.NavigationModel.TWO_BUTTON, description)) {
-                        base.evaluate();
-                    }
-                }
-
                 private void evaluateWithZeroButtons() throws Throwable {
                     if (setActiveOverlay(mLauncher, NAV_BAR_MODE_GESTURAL_OVERLAY,
                             LauncherInstrumentation.NavigationModel.ZERO_BUTTON, description)) {
@@ -145,9 +133,7 @@
     public static String getCurrentOverlayPackage(int currentInteractionMode) {
         return QuickStepContract.isGesturalMode(currentInteractionMode)
                 ? NAV_BAR_MODE_GESTURAL_OVERLAY
-                : QuickStepContract.isSwipeUpMode(currentInteractionMode)
-                        ? NAV_BAR_MODE_2BUTTON_OVERLAY
-                        : NAV_BAR_MODE_3BUTTON_OVERLAY;
+                : NAV_BAR_MODE_3BUTTON_OVERLAY;
     }
 
     private static LauncherInstrumentation.NavigationModel currentSysUiNavigationMode() {
diff --git a/quickstep/tests/src/com/android/quickstep/StartLauncherViaGestureTests.java b/quickstep/tests/src/com/android/quickstep/StartLauncherViaGestureTests.java
index f44a812..75d057e 100644
--- a/quickstep/tests/src/com/android/quickstep/StartLauncherViaGestureTests.java
+++ b/quickstep/tests/src/com/android/quickstep/StartLauncherViaGestureTests.java
@@ -16,23 +16,16 @@
 
 package com.android.quickstep;
 
-import static com.android.launcher3.util.RaceConditionReproducer.enterEvt;
-import static com.android.launcher3.util.RaceConditionReproducer.exitEvt;
-
 import android.content.Intent;
 
 import androidx.test.filters.LargeTest;
 import androidx.test.runner.AndroidJUnit4;
 
-import com.android.launcher3.Launcher;
 import com.android.launcher3.ui.TaplTestsLauncher3;
 import com.android.launcher3.util.RaceConditionReproducer;
-import com.android.quickstep.NavigationModeSwitchRule.Mode;
 import com.android.quickstep.NavigationModeSwitchRule.NavigationModeSwitch;
-import com.android.quickstep.inputconsumers.OtherActivityInputConsumer;
 
 import org.junit.Before;
-import org.junit.Ignore;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 
@@ -66,21 +59,6 @@
     }
 
     @Test
-    @Ignore // Ignoring until race condition repro framework is changes for multi-process case.
-    @NavigationModeSwitch(mode = Mode.TWO_BUTTON)
-    public void testPressHome() {
-        runTest(enterEvt(Launcher.ON_CREATE_EVT),
-                exitEvt(Launcher.ON_CREATE_EVT),
-                enterEvt(OtherActivityInputConsumer.DOWN_EVT),
-                exitEvt(OtherActivityInputConsumer.DOWN_EVT));
-
-        runTest(enterEvt(OtherActivityInputConsumer.DOWN_EVT),
-                exitEvt(OtherActivityInputConsumer.DOWN_EVT),
-                enterEvt(Launcher.ON_CREATE_EVT),
-                exitEvt(Launcher.ON_CREATE_EVT));
-    }
-
-    @Test
     @NavigationModeSwitch
     public void testStressPressHome() {
         for (int i = 0; i < STRESS_REPEAT_COUNT; ++i) {
diff --git a/res/raw/downgrade_schema.json b/res/raw/downgrade_schema.json
index 14eac9f..b8d0c6f 100644
--- a/res/raw/downgrade_schema.json
+++ b/res/raw/downgrade_schema.json
@@ -2,8 +2,9 @@
   // Note: Comments are not supported in JSON schema, but android parser is lenient.
 
   // Maximum DB version supported by this schema
-  "version" : 30,
+  "version" : 31,
 
+  "downgrade_to_30" : [],
   "downgrade_to_29" : [],
   "downgrade_to_28" : [
     "ALTER TABLE favorites RENAME TO temp_favorites;",
diff --git a/res/xml/backupscheme.xml b/res/xml/backupscheme.xml
index 299e92e..0f0dde2 100644
--- a/res/xml/backupscheme.xml
+++ b/res/xml/backupscheme.xml
@@ -2,6 +2,11 @@
 <full-backup-content xmlns:android="http://schemas.android.com/apk/res/android">
 
     <include domain="database" path="launcher.db" />
+    <include domain="database" path="launcher_6_by_5.db" />
+    <include domain="database" path="launcher_4_by_5.db" />
+    <include domain="database" path="launcher_4_by_4.db" />
+    <include domain="database" path="launcher_3_by_3.db" />
+    <include domain="database" path="launcher_2_by_2.db" />
     <include domain="sharedpref" path="com.android.launcher3.prefs.xml" />
     <include domain="file" path="downgrade_schema.json" />
 
diff --git a/res/xml/grayscale_icon_map.xml b/res/xml/grayscale_icon_map.xml
new file mode 100644
index 0000000..f6383ce
--- /dev/null
+++ b/res/xml/grayscale_icon_map.xml
@@ -0,0 +1,17 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+ 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.
+-->
+<icons></icons>
diff --git a/src/com/android/launcher3/LauncherAppState.java b/src/com/android/launcher3/LauncherAppState.java
index 10023b4..4501159 100644
--- a/src/com/android/launcher3/LauncherAppState.java
+++ b/src/com/android/launcher3/LauncherAppState.java
@@ -36,6 +36,7 @@
 import com.android.launcher3.graphics.IconShape;
 import com.android.launcher3.icons.IconCache;
 import com.android.launcher3.icons.IconProvider;
+import com.android.launcher3.icons.LauncherIconProvider;
 import com.android.launcher3.icons.LauncherIcons;
 import com.android.launcher3.notification.NotificationListener;
 import com.android.launcher3.pm.InstallSessionHelper;
@@ -61,7 +62,7 @@
 
     private final Context mContext;
     private final LauncherModel mModel;
-    private final IconProvider mIconProvider;
+    private final LauncherIconProvider mIconProvider;
     private final IconCache mIconCache;
     private final InvariantDeviceProfile mInvariantDeviceProfile;
     private final RunnableList mOnTerminateCallback = new RunnableList();
@@ -98,7 +99,7 @@
                 Intent.ACTION_MANAGED_PROFILE_UNAVAILABLE,
                 Intent.ACTION_MANAGED_PROFILE_UNLOCKED);
         if (FeatureFlags.IS_STUDIO_BUILD) {
-            modelChangeReceiver.register(mContext, ACTION_FORCE_ROLOAD);
+            modelChangeReceiver.register(mContext, Context.RECEIVER_EXPORTED, ACTION_FORCE_ROLOAD);
         }
         mOnTerminateCallback.add(() -> mContext.unregisterReceiver(modelChangeReceiver));
 
@@ -138,7 +139,7 @@
         mContext = context;
 
         mInvariantDeviceProfile = InvariantDeviceProfile.INSTANCE.get(context);
-        mIconProvider = new IconProvider(context, Themes.isThemedIconEnabled(context));
+        mIconProvider = new LauncherIconProvider(context);
         mIconCache = new IconCache(mContext, mInvariantDeviceProfile,
                 iconCacheFileName, mIconProvider);
         mModel = new LauncherModel(context, this, mIconCache, new AppFilter(mContext),
diff --git a/src/com/android/launcher3/LauncherProvider.java b/src/com/android/launcher3/LauncherProvider.java
index 68e19cb..e004a4b 100644
--- a/src/com/android/launcher3/LauncherProvider.java
+++ b/src/com/android/launcher3/LauncherProvider.java
@@ -97,7 +97,7 @@
      * Represents the schema of the database. Changes in scheme need not be backwards compatible.
      * When increasing the scheme version, ensure that downgrade_schema.json is updated
      */
-    public static final int SCHEMA_VERSION = 30;
+    public static final int SCHEMA_VERSION = 31;
 
     public static final String AUTHORITY = BuildConfig.APPLICATION_ID + ".settings";
     public static final String KEY_LAYOUT_PROVIDER_AUTHORITY = "KEY_LAYOUT_PROVIDER_AUTHORITY";
@@ -864,6 +864,19 @@
                             Favorites.SCREEN, IntArray.wrap(-777, -778)), null);
                 }
                 case 30: {
+                    if (FeatureFlags.QSB_ON_FIRST_SCREEN) {
+                        // Clean up first row in screen 0 as it might contain junk data.
+                        Log.d(TAG, "Cleaning up first row");
+                        db.delete(Favorites.TABLE_NAME,
+                                String.format(Locale.ENGLISH,
+                                        "%1$s = %2$d AND %3$s = %4$d AND %5$s = %6$d",
+                                        Favorites.SCREEN, 0,
+                                        Favorites.CONTAINER, Favorites.CONTAINER_DESKTOP,
+                                        Favorites.CELLY, 0), null);
+                    }
+                    return;
+                }
+                case 31: {
                     // DB Upgraded successfully
                     return;
                 }
diff --git a/src/com/android/launcher3/Utilities.java b/src/com/android/launcher3/Utilities.java
index ac194d2..b062b91 100644
--- a/src/com/android/launcher3/Utilities.java
+++ b/src/com/android/launcher3/Utilities.java
@@ -76,9 +76,8 @@
 import com.android.launcher3.dragndrop.FolderAdaptiveIcon;
 import com.android.launcher3.graphics.GridCustomizationsProvider;
 import com.android.launcher3.graphics.TintedDrawableSpan;
-import com.android.launcher3.icons.BitmapInfo;
-import com.android.launcher3.icons.FastBitmapDrawable;
 import com.android.launcher3.icons.ShortcutCachingLogic;
+import com.android.launcher3.icons.ThemedIconDrawable;
 import com.android.launcher3.model.data.ItemInfo;
 import com.android.launcher3.model.data.ItemInfoWithIcon;
 import com.android.launcher3.model.data.SearchActionItemInfo;
@@ -87,6 +86,7 @@
 import com.android.launcher3.shortcuts.ShortcutRequest;
 import com.android.launcher3.util.IntArray;
 import com.android.launcher3.util.PackageManagerHelper;
+import com.android.launcher3.util.Themes;
 import com.android.launcher3.views.ActivityContext;
 import com.android.launcher3.views.BaseDragLayer;
 import com.android.launcher3.widget.PendingAddShortcutInfo;
@@ -123,8 +123,9 @@
 
     public static final boolean ATLEAST_R = Build.VERSION.SDK_INT >= Build.VERSION_CODES.R;
 
-    public static final boolean ATLEAST_S = BuildCompat.isAtLeastS()
-            || Build.VERSION.SDK_INT >= Build.VERSION_CODES.S;
+    public static final boolean ATLEAST_S = Build.VERSION.SDK_INT >= Build.VERSION_CODES.S;
+
+    public static final boolean ATLEAST_T = BuildCompat.isAtLeastT();
 
     /**
      * Set on a motion event dispatched from the nav bar. See {@link MotionEvent#setEdgeFlags(int)}.
@@ -672,11 +673,19 @@
      * @param outObj this is set to the internal data associated with {@param info},
      *               eg {@link LauncherActivityInfo} or {@link ShortcutInfo}.
      */
+    @TargetApi(Build.VERSION_CODES.TIRAMISU)
     public static Drawable getFullDrawable(Context context, ItemInfo info, int width, int height,
             Object[] outObj) {
         Drawable icon = loadFullDrawableWithoutTheme(context, info, width, height, outObj);
-        if (icon instanceof BitmapInfo.Extender) {
-            icon = ((BitmapInfo.Extender) icon).getThemedDrawable(context);
+        if (ATLEAST_T && icon instanceof AdaptiveIconDrawable) {
+            AdaptiveIconDrawable aid = (AdaptiveIconDrawable) icon.mutate();
+            Drawable mono = aid.getMonochrome();
+            if (mono != null && Themes.isThemedIconEnabled(context)) {
+                int[] colors = ThemedIconDrawable.getColors(context);
+                mono = mono.mutate();
+                mono.setTint(colors[1]);
+                return new AdaptiveIconDrawable(new ColorDrawable(colors[0]), mono);
+            }
         }
         return icon;
     }
@@ -719,8 +728,7 @@
             return icon;
         } else if (info.itemType == LauncherSettings.Favorites.ITEM_TYPE_SEARCH_ACTION
                 && info instanceof SearchActionItemInfo) {
-            return new AdaptiveIconDrawable(
-                    new FastBitmapDrawable(((SearchActionItemInfo) info).bitmap), null);
+            return ((SearchActionItemInfo) info).bitmap.newIcon(context);
         } else {
             return null;
         }
diff --git a/src/com/android/launcher3/graphics/LauncherPreviewRenderer.java b/src/com/android/launcher3/graphics/LauncherPreviewRenderer.java
index f4d64df..88ce57e 100644
--- a/src/com/android/launcher3/graphics/LauncherPreviewRenderer.java
+++ b/src/com/android/launcher3/graphics/LauncherPreviewRenderer.java
@@ -133,23 +133,25 @@
             mObjectMap.put(InvariantDeviceProfile.INSTANCE, idp);
             mObjectMap.put(LauncherAppState.INSTANCE,
                     new LauncherAppState(this, null /* iconCacheFileName */));
-
         }
 
-        public LauncherIcons newLauncherIcons(Context context, boolean shapeDetection) {
+        /**
+         * Creates a new LauncherIcons for the preview, skipping the global pool
+         */
+        public LauncherIcons newLauncherIcons(Context context) {
             LauncherIconsForPreview launcherIconsForPreview = mIconPool.poll();
             if (launcherIconsForPreview != null) {
                 return launcherIconsForPreview;
             }
             return new LauncherIconsForPreview(context, mIdp.fillResIconDpi, mIdp.iconBitmapSize,
-                    -1 /* poolId */, shapeDetection);
+                    -1 /* poolId */);
         }
 
         private final class LauncherIconsForPreview extends LauncherIcons {
 
             private LauncherIconsForPreview(Context context, int fillResIconDpi, int iconBitmapSize,
-                    int poolId, boolean shapeDetection) {
-                super(context, fillResIconDpi, iconBitmapSize, poolId, shapeDetection);
+                    int poolId) {
+                super(context, fillResIconDpi, iconBitmapSize, poolId);
             }
 
             @Override
diff --git a/src/com/android/launcher3/icons/LauncherIconProvider.java b/src/com/android/launcher3/icons/LauncherIconProvider.java
new file mode 100644
index 0000000..a7379bb
--- /dev/null
+++ b/src/com/android/launcher3/icons/LauncherIconProvider.java
@@ -0,0 +1,102 @@
+/*
+ * 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.icons;
+
+import android.content.Context;
+import android.content.res.Resources;
+import android.content.res.XmlResourceParser;
+import android.text.TextUtils;
+import android.util.ArrayMap;
+import android.util.Log;
+
+import com.android.launcher3.R;
+import com.android.launcher3.util.Themes;
+
+import org.xmlpull.v1.XmlPullParser;
+
+import java.util.Collections;
+import java.util.Map;
+
+/**
+ * Extension of {@link IconProvider} with support for overriding theme icons
+ */
+public class LauncherIconProvider extends IconProvider {
+
+    private static final String TAG_ICON = "icon";
+    private static final String ATTR_PACKAGE = "package";
+    private static final String ATTR_DRAWABLE = "drawable";
+
+    private static final String TAG = "LIconProvider";
+    private static final Map<String, ThemeData> DISABLED_MAP = Collections.emptyMap();
+
+    private Map<String, ThemeData> mThemedIconMap;
+    private boolean mSupportsIconTheme;
+
+    public LauncherIconProvider(Context context) {
+        super(context);
+        setIconThemeSupported(Themes.isThemedIconEnabled(context));
+    }
+
+    /**
+     * Enables or disables icon theme support
+     */
+    public void setIconThemeSupported(boolean isSupported) {
+        mSupportsIconTheme = isSupported;
+        mThemedIconMap = isSupported ? null : DISABLED_MAP;
+    }
+
+    @Override
+    protected ThemeData getThemeDataForPackage(String packageName) {
+        return getThemedIconMap().get(packageName);
+    }
+
+    @Override
+    public String getSystemIconState() {
+        return super.getSystemIconState() + (mSupportsIconTheme ? ",with-theme" : ",no-theme");
+    }
+
+    private Map<String, ThemeData> getThemedIconMap() {
+        if (mThemedIconMap != null) {
+            return mThemedIconMap;
+        }
+        ArrayMap<String, ThemeData> map = new ArrayMap<>();
+        Resources res = mContext.getResources();
+        try (XmlResourceParser parser = res.getXml(R.xml.grayscale_icon_map)) {
+            final int depth = parser.getDepth();
+            int type;
+            while ((type = parser.next()) != XmlPullParser.START_TAG
+                    && type != XmlPullParser.END_DOCUMENT);
+
+            while (((type = parser.next()) != XmlPullParser.END_TAG
+                    || parser.getDepth() > depth) && type != XmlPullParser.END_DOCUMENT) {
+                if (type != XmlPullParser.START_TAG) {
+                    continue;
+                }
+                if (TAG_ICON.equals(parser.getName())) {
+                    String pkg = parser.getAttributeValue(null, ATTR_PACKAGE);
+                    int iconId = parser.getAttributeResourceValue(null, ATTR_DRAWABLE, 0);
+                    if (iconId != 0 && !TextUtils.isEmpty(pkg)) {
+                        map.put(pkg, new ThemeData(res, iconId));
+                    }
+                }
+            }
+        } catch (Exception e) {
+            Log.e(TAG, "Unable to parse icon map", e);
+        }
+        mThemedIconMap = map;
+        return mThemedIconMap;
+    }
+}
diff --git a/src/com/android/launcher3/icons/LauncherIcons.java b/src/com/android/launcher3/icons/LauncherIcons.java
index bf7897e..5508c49 100644
--- a/src/com/android/launcher3/icons/LauncherIcons.java
+++ b/src/com/android/launcher3/icons/LauncherIcons.java
@@ -21,6 +21,7 @@
 import com.android.launcher3.InvariantDeviceProfile;
 import com.android.launcher3.graphics.IconShape;
 import com.android.launcher3.graphics.LauncherPreviewRenderer;
+import com.android.launcher3.util.Themes;
 
 /**
  * Wrapper class to provide access to {@link BaseIconFactory} and also to provide pool of this class
@@ -32,18 +33,13 @@
     private static LauncherIcons sPool;
     private static int sPoolId = 0;
 
-    public static LauncherIcons obtain(Context context) {
-        return obtain(context, IconShape.getShape().enableShapeDetection());
-    }
-
     /**
      * Return a new Message instance from the global pool. Allows us to
      * avoid allocating new objects in many cases.
      */
-    public static LauncherIcons obtain(Context context, boolean shapeDetection) {
+    public static LauncherIcons obtain(Context context) {
         if (context instanceof LauncherPreviewRenderer.PreviewContext) {
-            return ((LauncherPreviewRenderer.PreviewContext) context).newLauncherIcons(context,
-                    shapeDetection);
+            return ((LauncherPreviewRenderer.PreviewContext) context).newLauncherIcons(context);
         }
 
         int poolId;
@@ -58,8 +54,7 @@
         }
 
         InvariantDeviceProfile idp = InvariantDeviceProfile.INSTANCE.get(context);
-        return new LauncherIcons(context, idp.fillResIconDpi, idp.iconBitmapSize, poolId,
-                shapeDetection);
+        return new LauncherIcons(context, idp.fillResIconDpi, idp.iconBitmapSize, poolId);
     }
 
     public static void clearPool() {
@@ -73,9 +68,9 @@
 
     private LauncherIcons next;
 
-    protected LauncherIcons(Context context, int fillResIconDpi, int iconBitmapSize, int poolId,
-            boolean shapeDetection) {
-        super(context, fillResIconDpi, iconBitmapSize, shapeDetection);
+    protected LauncherIcons(Context context, int fillResIconDpi, int iconBitmapSize, int poolId) {
+        super(context, fillResIconDpi, iconBitmapSize, IconShape.getShape().enableShapeDetection());
+        mMonoIconEnabled = Themes.isThemedIconEnabled(context);
         mPoolId = poolId;
     }
 
diff --git a/src/com/android/launcher3/model/LoaderCursor.java b/src/com/android/launcher3/model/LoaderCursor.java
index 08b38e8..739a64a 100644
--- a/src/com/android/launcher3/model/LoaderCursor.java
+++ b/src/com/android/launcher3/model/LoaderCursor.java
@@ -457,11 +457,13 @@
 
         if (!occupied.containsKey(item.screenId)) {
             GridOccupancy screen = new GridOccupancy(countX + 1, countY + 1);
-            if (item.screenId == Workspace.FIRST_SCREEN_ID) {
-                // Mark the first row as occupied (if the feature is enabled)
-                // in order to account for the QSB.
+            if (item.screenId == Workspace.FIRST_SCREEN_ID && FeatureFlags.QSB_ON_FIRST_SCREEN) {
+                // Mark the first X columns (X is width of the search container) in the first row as
+                // occupied (if the feature is enabled) in order to account for the search
+                // container.
+                int spanX = mIDP.numSearchContainerColumns;
                 int spanY = FeatureFlags.EXPANDED_SMARTSPACE.get() ? 2 : 1;
-                screen.markCells(0, 0, countX + 1, spanY, FeatureFlags.QSB_ON_FIRST_SCREEN);
+                screen.markCells(0, 0, spanX, spanY, true);
             }
             occupied.put(item.screenId, screen);
         }
diff --git a/src/com/android/launcher3/util/SimpleBroadcastReceiver.java b/src/com/android/launcher3/util/SimpleBroadcastReceiver.java
index 465a0e8..4dfa5cc 100644
--- a/src/com/android/launcher3/util/SimpleBroadcastReceiver.java
+++ b/src/com/android/launcher3/util/SimpleBroadcastReceiver.java
@@ -39,10 +39,17 @@
      * Helper method to register multiple actions
      */
     public void register(Context context, String... actions) {
+        register(context, 0, actions);
+    }
+
+    /**
+     * Helper method to register multiple actions with one or more {@code flags}.
+     */
+    public void register(Context context, int flags, String... actions) {
         IntentFilter filter = new IntentFilter();
         for (String action : actions) {
             filter.addAction(action);
         }
-        context.registerReceiver(this, filter);
+        context.registerReceiver(this, filter, flags);
     }
 }
diff --git a/tests/Android.bp b/tests/Android.bp
index 3670c37..8def20f 100644
--- a/tests/Android.bp
+++ b/tests/Android.bp
@@ -32,6 +32,7 @@
     srcs: [
       "src/com/android/launcher3/ui/AbstractLauncherUiTest.java",
       "src/com/android/launcher3/ui/PortraitLandscapeRunner.java",
+      "src/com/android/launcher3/util/TestUtil.java",
       "src/com/android/launcher3/util/Wait.java",
       "src/com/android/launcher3/util/WidgetUtils.java",
       "src/com/android/launcher3/util/rule/FailureWatcher.java",
@@ -71,6 +72,11 @@
     platform_apis: true,
 }
 
+android_library {
+    name: "Launcher3TestResources",
+    resource_dirs: ["res"],
+}
+
 android_test {
     name: "Launcher3Tests",
     srcs: [
diff --git a/tests/src/com/android/launcher3/ui/TaplTestsLauncher3.java b/tests/src/com/android/launcher3/ui/TaplTestsLauncher3.java
index 5b940a8..f193e24 100644
--- a/tests/src/com/android/launcher3/ui/TaplTestsLauncher3.java
+++ b/tests/src/com/android/launcher3/ui/TaplTestsLauncher3.java
@@ -38,6 +38,7 @@
 import com.android.launcher3.tapl.FolderIcon;
 import com.android.launcher3.tapl.Widgets;
 import com.android.launcher3.tapl.Workspace;
+import com.android.launcher3.util.TestUtil;
 import com.android.launcher3.widget.picker.WidgetsFullSheet;
 import com.android.launcher3.widget.picker.WidgetsRecyclerView;
 
@@ -50,6 +51,7 @@
 @RunWith(AndroidJUnit4.class)
 public class TaplTestsLauncher3 extends AbstractLauncherUiTest {
     private static final String APP_NAME = "LauncherTestApp";
+    private static final String DUMMY_APP_NAME = "Aardwolf";
 
     @Before
     public void setUp() throws Exception {
@@ -435,7 +437,49 @@
         }
     }
 
+    private void verifyAppUninstalledFromAllApps(Workspace workspace, String appName) {
+        final AllApps allApps = workspace.switchToAllApps();
+        allApps.freeze();
+        try {
+            assertNull(appName + " app was found on all apps after being uninstalled",
+                    allApps.tryGetAppIcon(appName));
+        } finally {
+            allApps.unfreeze();
+        }
+    }
+
+    @Test
+    @PortraitLandscape
+    public void testUninstallFromWorkspace() throws Exception {
+        TestUtil.installDummyApp();
+        try {
+            verifyAppUninstalledFromAllApps(
+                    createShortcutIfNotExist(DUMMY_APP_NAME).uninstall(), DUMMY_APP_NAME);
+        } finally {
+            TestUtil.uninstallDummyApp();
+        }
+    }
+
+    @Test
+    @PortraitLandscape
+    public void testUninstallFromAllApps() throws Exception {
+        TestUtil.installDummyApp();
+        try {
+            Workspace workspace = mLauncher.getWorkspace();
+            final AllApps allApps = workspace.switchToAllApps();
+            allApps.freeze();
+            try {
+                workspace = allApps.getAppIcon(DUMMY_APP_NAME).uninstall();
+            } finally {
+                allApps.unfreeze();
+            }
+            verifyAppUninstalledFromAllApps(workspace, DUMMY_APP_NAME);
+        } finally {
+            TestUtil.uninstallDummyApp();
+        }
+    }
+
     public static String getAppPackageName() {
         return getInstrumentation().getContext().getPackageName();
     }
-}
+}
\ No newline at end of file
diff --git a/tests/tapl/com/android/launcher3/tapl/AddToHomeScreenPrompt.java b/tests/tapl/com/android/launcher3/tapl/AddToHomeScreenPrompt.java
index 0582bc9..98eb32e 100644
--- a/tests/tapl/com/android/launcher3/tapl/AddToHomeScreenPrompt.java
+++ b/tests/tapl/com/android/launcher3/tapl/AddToHomeScreenPrompt.java
@@ -22,8 +22,6 @@
 import androidx.test.uiautomator.BySelector;
 import androidx.test.uiautomator.UiObject2;
 
-import com.android.launcher3.testing.TestProtocol;
-
 import java.util.regex.Pattern;
 
 public class AddToHomeScreenPrompt {
@@ -44,19 +42,10 @@
 
     public void addAutomatically() {
         try (LauncherInstrumentation.Closable e = mLauncher.eventsCheck()) {
-            if (mLauncher.getNavigationModel()
-                    != LauncherInstrumentation.NavigationModel.THREE_BUTTON) {
-                if (!mLauncher.isLauncher3()) {
-                    mLauncher.expectEvent(
-                            TestProtocol.SEQUENCE_TIS,
-                            LauncherInstrumentation.EVENT_TOUCH_DOWN_TIS);
-                    mLauncher.expectEvent(
-                            TestProtocol.SEQUENCE_TIS, LauncherInstrumentation.EVENT_TOUCH_UP_TIS);
-                }
-            }
-            mLauncher.waitForObjectInContainer(
-                    mWidgetCell.getParent().getParent().getParent().getParent(),
-                    By.text(ADD_AUTOMATICALLY)).click();
+            mLauncher.clickObject(
+                    mLauncher.waitForObjectInContainer(
+                            mWidgetCell.getParent().getParent().getParent().getParent(),
+                            By.text(ADD_AUTOMATICALLY)));
             mLauncher.waitUntilLauncherObjectGone(getSelector());
         }
     }
diff --git a/tests/tapl/com/android/launcher3/tapl/AllApps.java b/tests/tapl/com/android/launcher3/tapl/AllApps.java
index 78301e4..c1b0220 100644
--- a/tests/tapl/com/android/launcher3/tapl/AllApps.java
+++ b/tests/tapl/com/android/launcher3/tapl/AllApps.java
@@ -22,6 +22,7 @@
 import android.widget.TextView;
 
 import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
 import androidx.test.uiautomator.By;
 import androidx.test.uiautomator.BySelector;
 import androidx.test.uiautomator.Direction;
@@ -51,8 +52,8 @@
         mLauncher.waitForObjectInContainer(appListRecycler, By.clazz(TextView.class));
         verifyNotFrozen("All apps freeze flags upon opening all apps");
         mIconHeight = mLauncher.getTestInfo(
-                TestProtocol.REQUEST_ICON_HEIGHT).
-                getInt(TestProtocol.TEST_INFO_RESPONSE_FIELD);
+                        TestProtocol.REQUEST_ICON_HEIGHT)
+                .getInt(TestProtocol.TEST_INFO_RESPONSE_FIELD);
     }
 
     @Override
@@ -98,14 +99,14 @@
     }
 
     /**
-     * Finds an icon. Fails if the icon doesn't exist. Scrolls the app list when needed to make
-     * sure the icon is visible.
+     * Finds an icon. If the icon doesn't exist, return null.
+     * Scrolls the app list when needed to make sure the icon is visible.
      *
      * @param appName name of the app.
-     * @return The app.
+     * @return The app if found, and null if not found.
      */
-    @NonNull
-    public AppIcon getAppIcon(String appName) {
+    @Nullable
+    public AppIcon tryGetAppIcon(String appName) {
         try (LauncherInstrumentation.Closable e = mLauncher.eventsCheck();
              LauncherInstrumentation.Closable c = mLauncher.addContextLayer(
                      "getting app icon " + appName + " on all apps")) {
@@ -150,19 +151,34 @@
                 }
                 verifyActiveContainer();
             }
-
             // Ignore bottom offset selection here as there might not be any scroll more scroll
             // region available.
-            mLauncher.assertTrue("Unable to scroll to a clickable icon: " + appName,
-                    hasClickableIcon(allAppsContainer, appListRecycler, appIconSelector,
-                            deviceHeight));
+            if (hasClickableIcon(
+                    allAppsContainer, appListRecycler, appIconSelector, deviceHeight)) {
 
-            final UiObject2 appIcon = mLauncher.waitForObjectInContainer(appListRecycler,
-                    appIconSelector);
-            return new AppIcon(mLauncher, appIcon);
+                final UiObject2 appIcon = mLauncher.waitForObjectInContainer(appListRecycler,
+                        appIconSelector);
+                return new AllAppsAppIcon(mLauncher, appIcon);
+            } else {
+                return null;
+            }
         }
     }
 
+    /**
+     * Finds an icon. Fails if the icon doesn't exist. Scrolls the app list when needed to make
+     * sure the icon is visible.
+     *
+     * @param appName name of the app.
+     * @return The app.
+     */
+    @NonNull
+    public AppIcon getAppIcon(String appName) {
+        AppIcon appIcon = tryGetAppIcon(appName);
+        mLauncher.assertNotNull("Unable to scroll to a clickable icon: " + appName, appIcon);
+        return appIcon;
+    }
+
     private void scrollBackToBeginning() {
         try (LauncherInstrumentation.Closable c = mLauncher.addContextLayer(
                 "want to scroll back in all apps")) {
@@ -195,7 +211,7 @@
 
     private int getAllAppsScroll() {
         return mLauncher.getTestInfo(
-                TestProtocol.REQUEST_APPS_LIST_SCROLL_Y)
+                        TestProtocol.REQUEST_APPS_LIST_SCROLL_Y)
                 .getInt(TestProtocol.TEST_INFO_RESPONSE_FIELD);
     }
 
@@ -253,4 +269,4 @@
         if (testInfo == null) return;
         mLauncher.assertEquals(message, 0, testInfo.getInt(TestProtocol.TEST_INFO_RESPONSE_FIELD));
     }
-}
+}
\ No newline at end of file
diff --git a/tests/tapl/com/android/launcher3/tapl/AllAppsAppIcon.java b/tests/tapl/com/android/launcher3/tapl/AllAppsAppIcon.java
new file mode 100644
index 0000000..03d387e
--- /dev/null
+++ b/tests/tapl/com/android/launcher3/tapl/AllAppsAppIcon.java
@@ -0,0 +1,38 @@
+/*
+ * 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.tapl;
+
+import androidx.test.uiautomator.UiObject2;
+
+import java.util.regex.Pattern;
+
+/**
+ * App icon in all apps.
+ */
+final class AllAppsAppIcon extends AppIcon {
+
+    private static final Pattern LONG_CLICK_EVENT = Pattern.compile("onAllAppsItemLongClick");
+
+    AllAppsAppIcon(LauncherInstrumentation launcher, UiObject2 icon) {
+        super(launcher, icon);
+    }
+
+    @Override
+    protected Pattern getLongClickEvent() {
+        return LONG_CLICK_EVENT;
+    }
+}
diff --git a/tests/tapl/com/android/launcher3/tapl/AppIcon.java b/tests/tapl/com/android/launcher3/tapl/AppIcon.java
index 6da59da..8fa9e12 100644
--- a/tests/tapl/com/android/launcher3/tapl/AppIcon.java
+++ b/tests/tapl/com/android/launcher3/tapl/AppIcon.java
@@ -32,9 +32,7 @@
 /**
  * App icon, whether in all apps or in workspace/
  */
-public final class AppIcon extends Launchable implements FolderDragTarget {
-
-    private static final Pattern LONG_CLICK_EVENT = Pattern.compile("onAllAppsItemLongClick");
+public abstract class AppIcon extends Launchable implements FolderDragTarget {
 
     AppIcon(LauncherInstrumentation launcher, UiObject2 icon) {
         super(launcher, icon);
@@ -44,13 +42,15 @@
         return By.clazz(TextView.class).text(appName).pkg(launcher.getLauncherPackageName());
     }
 
+    protected abstract Pattern getLongClickEvent();
+
     /**
      * Long-clicks the icon to open its menu.
      */
     public AppIconMenu openMenu() {
         try (LauncherInstrumentation.Closable e = mLauncher.eventsCheck()) {
             return new AppIconMenu(mLauncher, mLauncher.clickAndGet(
-                    mObject, "popup_container", LONG_CLICK_EVENT));
+                    mObject, "popup_container", getLongClickEvent()));
         }
     }
 
@@ -60,7 +60,7 @@
     public AppIconMenu openDeepShortcutMenu() {
         try (LauncherInstrumentation.Closable e = mLauncher.eventsCheck()) {
             return new AppIconMenu(mLauncher, mLauncher.clickAndGet(
-                    mObject, "deep_shortcuts_container", LONG_CLICK_EVENT));
+                    mObject, "deep_shortcuts_container", getLongClickEvent()));
         }
     }
 
@@ -89,7 +89,7 @@
 
     @Override
     protected void addExpectedEventsForLongClick() {
-        mLauncher.expectEvent(TestProtocol.SEQUENCE_MAIN, LONG_CLICK_EVENT);
+        mLauncher.expectEvent(TestProtocol.SEQUENCE_MAIN, getLongClickEvent());
     }
 
     @Override
@@ -122,4 +122,20 @@
         }
         return null;
     }
-}
+
+    /**
+     * Uninstall the appIcon by dragging it to the 'uninstall' drop point of the drop_target_bar.
+     *
+     * @return validated workspace after the existing appIcon being uninstalled.
+     */
+    public Workspace uninstall() {
+        try (LauncherInstrumentation.Closable e = mLauncher.eventsCheck();
+             LauncherInstrumentation.Closable c = mLauncher.addContextLayer(
+                     "uninstalling app icon")) {
+            return Workspace.uninstallAppIcon(
+                    mLauncher, this,
+                    this::addExpectedEventsForLongClick
+            );
+        }
+    }
+}
\ No newline at end of file
diff --git a/tests/tapl/com/android/launcher3/tapl/Background.java b/tests/tapl/com/android/launcher3/tapl/Background.java
index 4eaecca..d84d723 100644
--- a/tests/tapl/com/android/launcher3/tapl/Background.java
+++ b/tests/tapl/com/android/launcher3/tapl/Background.java
@@ -134,31 +134,6 @@
                 break;
             }
 
-            case TWO_BUTTON: {
-                final int startX;
-                final int startY;
-                final int endX;
-                final int endY;
-                final int swipeLength = mLauncher.getTestInfo(getSwipeHeightRequestName()).
-                        getInt(TestProtocol.TEST_INFO_RESPONSE_FIELD) + mLauncher.getTouchSlop();
-
-                if (mLauncher.getDevice().isNaturalOrientation()) {
-                    startX = endX = mLauncher.getDevice().getDisplayWidth() / 2;
-                    startY = getSwipeStartY();
-                    endY = startY - swipeLength;
-                } else {
-                    startX = getSwipeStartX();
-                    // TODO(b/184059820) make horizontal swipe use swipe width not height, for the
-                    // moment just double the swipe length.
-                    endX = startX - swipeLength * 2;
-                    startY = endY = mLauncher.getDevice().getDisplayHeight() / 2;
-                }
-
-                mLauncher.swipeToState(startX, startY, endX, endY, 10, OVERVIEW_STATE_ORDINAL,
-                        LauncherInstrumentation.GestureScope.OUTSIDE_WITH_PILFER);
-                break;
-            }
-
             case THREE_BUTTON:
                 if (mLauncher.isTablet()) {
                     mLauncher.expectEvent(TestProtocol.SEQUENCE_MAIN,
@@ -253,11 +228,7 @@
                      "want to quick switch to the previous app")) {
             verifyActiveContainer();
             final boolean launcherWasVisible = mLauncher.isLauncherVisible();
-            boolean transposeInLandscape = false;
             switch (mLauncher.getNavigationModel()) {
-                case TWO_BUTTON:
-                    transposeInLandscape = true;
-                    // Fall through, zero button and two button modes behave the same.
                 case ZERO_BUTTON: {
                     final int startX;
                     final int startY;
@@ -265,33 +236,17 @@
                     final int endY;
                     final int cornerRadius = (int) Math.ceil(mLauncher.getWindowCornerRadius());
                     if (toRight) {
-                        if (mLauncher.getDevice().isNaturalOrientation() || !transposeInLandscape) {
-                            // Swipe from the bottom left to the bottom right of the screen.
-                            startX = cornerRadius;
-                            startY = getSwipeStartY();
-                            endX = mLauncher.getDevice().getDisplayWidth() - cornerRadius;
-                            endY = startY;
-                        } else {
-                            // Swipe from the bottom right to the top right of the screen.
-                            startX = getSwipeStartX();
-                            startY = mLauncher.getRealDisplaySize().y - 1 - cornerRadius;
-                            endX = startX;
-                            endY = cornerRadius;
-                        }
+                        // Swipe from the bottom left to the bottom right of the screen.
+                        startX = cornerRadius;
+                        startY = getSwipeStartY();
+                        endX = mLauncher.getDevice().getDisplayWidth() - cornerRadius;
+                        endY = startY;
                     } else {
-                        if (mLauncher.getDevice().isNaturalOrientation() || !transposeInLandscape) {
-                            // Swipe from the bottom right to the bottom left of the screen.
-                            startX = mLauncher.getDevice().getDisplayWidth() - cornerRadius;
-                            startY = getSwipeStartY();
-                            endX = cornerRadius;
-                            endY = startY;
-                        } else {
-                            // Swipe from the bottom left to the top left of the screen.
-                            startX = getSwipeStartX();
-                            startY = cornerRadius;
-                            endX = startX;
-                            endY = mLauncher.getRealDisplaySize().y - 1 - cornerRadius;
-                        }
+                        // Swipe from the bottom right to the bottom left of the screen.
+                        startX = mLauncher.getDevice().getDisplayWidth() - cornerRadius;
+                        startY = getSwipeStartY();
+                        endX = cornerRadius;
+                        endY = startY;
                     }
 
                     final boolean isZeroButton = mLauncher.getNavigationModel()
diff --git a/tests/tapl/com/android/launcher3/tapl/Folder.java b/tests/tapl/com/android/launcher3/tapl/Folder.java
index dba308d..f046b6e 100644
--- a/tests/tapl/com/android/launcher3/tapl/Folder.java
+++ b/tests/tapl/com/android/launcher3/tapl/Folder.java
@@ -43,7 +43,7 @@
     public AppIcon getAppIcon(String appName) {
         try (LauncherInstrumentation.Closable ignored = mLauncher.addContextLayer(
                 "Want to get app icon in folder")) {
-            return new AppIcon(mLauncher,
+            return new WorkspaceAppIcon(mLauncher,
                     mLauncher.waitForObjectInContainer(
                             mContainer,
                             AppIcon.getAppIconSelector(appName, mLauncher)));
diff --git a/tests/tapl/com/android/launcher3/tapl/LauncherInstrumentation.java b/tests/tapl/com/android/launcher3/tapl/LauncherInstrumentation.java
index 46a7c71..f46921f 100644
--- a/tests/tapl/com/android/launcher3/tapl/LauncherInstrumentation.java
+++ b/tests/tapl/com/android/launcher3/tapl/LauncherInstrumentation.java
@@ -124,7 +124,7 @@
         WORKSPACE, ALL_APPS, OVERVIEW, WIDGETS, BACKGROUND, FALLBACK_OVERVIEW
     }
 
-    public enum NavigationModel {ZERO_BUTTON, TWO_BUTTON, THREE_BUTTON}
+    public enum NavigationModel {ZERO_BUTTON, THREE_BUTTON}
 
     // Where the gesture happens: outside of Launcher, inside or from inside to outside and
     // whether the gesture recognition triggers pilfer.
@@ -391,8 +391,6 @@
     public static NavigationModel getNavigationModel(int currentInteractionMode) {
         if (QuickStepContract.isGesturalMode(currentInteractionMode)) {
             return NavigationModel.ZERO_BUTTON;
-        } else if (QuickStepContract.isSwipeUpMode(currentInteractionMode)) {
-            return NavigationModel.TWO_BUTTON;
         } else if (QuickStepContract.isLegacyMode(currentInteractionMode)) {
             return NavigationModel.THREE_BUTTON;
         }
@@ -864,7 +862,7 @@
 
                     swipeToState(
                             displaySize.x / 2, displaySize.y - 1,
-                            displaySize.x / 2, 0,
+                            displaySize.x / 2, displaySize.y / 2,
                             ZERO_BUTTON_STEPS_FROM_BACKGROUND_TO_HOME, NORMAL_STATE_ORDINAL,
                             gestureStartFromLauncher ? GestureScope.INSIDE_TO_OUTSIDE
                                     : GestureScope.OUTSIDE_WITH_PILFER);
@@ -873,10 +871,6 @@
                 log("Hierarchy before clicking home:");
                 dumpViewHierarchy();
                 action = "clicking home button";
-                if (!isLauncher3() && getNavigationModel() == NavigationModel.TWO_BUTTON) {
-                    expectEvent(TestProtocol.SEQUENCE_TIS, EVENT_TOUCH_DOWN_TIS);
-                    expectEvent(TestProtocol.SEQUENCE_TIS, EVENT_TOUCH_UP_TIS);
-                }
                 if (isTablet()) {
                     expectEvent(TestProtocol.SEQUENCE_MAIN, EVENT_TOUCH_DOWN);
                     expectEvent(TestProtocol.SEQUENCE_MAIN, EVENT_TOUCH_UP);
@@ -917,9 +911,6 @@
                 if (isTablet()) {
                     expectEvent(TestProtocol.SEQUENCE_MAIN, EVENT_TOUCH_DOWN);
                     expectEvent(TestProtocol.SEQUENCE_MAIN, EVENT_TOUCH_UP);
-                } else if (!isLauncher3() && getNavigationModel() == NavigationModel.TWO_BUTTON) {
-                    expectEvent(TestProtocol.SEQUENCE_TIS, EVENT_TOUCH_DOWN_TIS);
-                    expectEvent(TestProtocol.SEQUENCE_TIS, EVENT_TOUCH_UP_TIS);
                 }
             }
             if (launcherVisible) {
@@ -1284,10 +1275,8 @@
         return getRealDisplaySize().x - getWindowInsets().right - 1;
     }
 
-    void clickLauncherObject(UiObject2 object) {
-        waitForObjectEnabled(object, "clickLauncherObject");
-        expectEvent(TestProtocol.SEQUENCE_MAIN, LauncherInstrumentation.EVENT_TOUCH_DOWN);
-        expectEvent(TestProtocol.SEQUENCE_MAIN, LauncherInstrumentation.EVENT_TOUCH_UP);
+    void clickObject(UiObject2 object) {
+        waitForObjectEnabled(object, "clickObject");
         if (!isLauncher3() && getNavigationModel() != NavigationModel.THREE_BUTTON) {
             expectEvent(TestProtocol.SEQUENCE_TIS, LauncherInstrumentation.EVENT_TOUCH_DOWN_TIS);
             expectEvent(TestProtocol.SEQUENCE_TIS, LauncherInstrumentation.EVENT_TOUCH_UP_TIS);
@@ -1295,6 +1284,12 @@
         object.click();
     }
 
+    void clickLauncherObject(UiObject2 object) {
+        expectEvent(TestProtocol.SEQUENCE_MAIN, LauncherInstrumentation.EVENT_TOUCH_DOWN);
+        expectEvent(TestProtocol.SEQUENCE_MAIN, LauncherInstrumentation.EVENT_TOUCH_UP);
+        clickObject(object);
+    }
+
     void scrollToLastVisibleRow(
             UiObject2 container,
             Collection<UiObject2> items,
diff --git a/tests/tapl/com/android/launcher3/tapl/Workspace.java b/tests/tapl/com/android/launcher3/tapl/Workspace.java
index e457354..16987e9 100644
--- a/tests/tapl/com/android/launcher3/tapl/Workspace.java
+++ b/tests/tapl/com/android/launcher3/tapl/Workspace.java
@@ -22,6 +22,7 @@
 import static com.android.launcher3.testing.TestProtocol.NORMAL_STATE_ORDINAL;
 import static com.android.launcher3.testing.TestProtocol.SPRING_LOADED_STATE_ORDINAL;
 
+import static junit.framework.TestCase.assertNotNull;
 import static junit.framework.TestCase.assertTrue;
 
 import android.graphics.Point;
@@ -33,8 +34,11 @@
 import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
 import androidx.test.uiautomator.By;
+import androidx.test.uiautomator.BySelector;
 import androidx.test.uiautomator.Direction;
+import androidx.test.uiautomator.UiDevice;
 import androidx.test.uiautomator.UiObject2;
+import androidx.test.uiautomator.Until;
 
 import com.android.launcher3.testing.TestProtocol;
 
@@ -51,6 +55,7 @@
     private static final int DEFAULT_DRAG_STEPS = 10;
     private static final String DROP_BAR_RES_ID = "drop_target_bar";
     private static final String DELETE_TARGET_TEXT_ID = "delete_target_text";
+    private static final String UNINSTALL_TARGET_TEXT_ID = "uninstall_target_text";
 
     static final Pattern EVENT_CTRL_W_DOWN = Pattern.compile(
             "Key event: KeyEvent.*?action=ACTION_DOWN.*?keyCode=KEYCODE_W"
@@ -58,7 +63,7 @@
     static final Pattern EVENT_CTRL_W_UP = Pattern.compile(
             "Key event: KeyEvent.*?action=ACTION_UP.*?keyCode=KEYCODE_W"
                     + ".*?metaState=META_CTRL_ON");
-    private static final Pattern LONG_CLICK_EVENT = Pattern.compile("onWorkspaceItemLongClick");
+    static final Pattern LONG_CLICK_EVENT = Pattern.compile("onWorkspaceItemLongClick");
 
     private final UiObject2 mHotseat;
 
@@ -83,8 +88,8 @@
             final int windowCornerRadius = (int) Math.ceil(mLauncher.getWindowCornerRadius());
             final int startY = deviceHeight - Math.max(bottomGestureMargin, windowCornerRadius) - 1;
             final int swipeHeight = mLauncher.getTestInfo(
-                    TestProtocol.REQUEST_HOME_TO_ALL_APPS_SWIPE_HEIGHT).
-                    getInt(TestProtocol.TEST_INFO_RESPONSE_FIELD);
+                            TestProtocol.REQUEST_HOME_TO_ALL_APPS_SWIPE_HEIGHT)
+                    .getInt(TestProtocol.TEST_INFO_RESPONSE_FIELD);
             LauncherInstrumentation.log(
                     "switchToAllApps: deviceHeight = " + deviceHeight + ", startY = " + startY
                             + ", swipeHeight = " + swipeHeight + ", slop = "
@@ -118,7 +123,7 @@
             final UiObject2 workspace = verifyActiveContainer();
             final UiObject2 icon = workspace.findObject(
                     AppIcon.getAppIconSelector(appName, mLauncher));
-            return icon != null ? new AppIcon(mLauncher, icon) : null;
+            return icon != null ? new WorkspaceAppIcon(mLauncher, icon) : null;
         }
     }
 
@@ -133,7 +138,7 @@
     public AppIcon getWorkspaceAppIcon(String appName) {
         try (LauncherInstrumentation.Closable c = mLauncher.addContextLayer(
                 "want to get a workspace icon")) {
-            return new AppIcon(mLauncher,
+            return new WorkspaceAppIcon(mLauncher,
                     mLauncher.waitForObjectInContainer(
                             verifyActiveContainer(),
                             AppIcon.getAppIconSelector(appName, mLauncher)));
@@ -214,7 +219,7 @@
 
     @NonNull
     public AppIcon getHotseatAppIcon(String appName) {
-        return new AppIcon(mLauncher, mLauncher.waitForObjectInContainer(
+        return new WorkspaceAppIcon(mLauncher, mLauncher.waitForObjectInContainer(
                 mHotseat, AppIcon.getAppIconSelector(appName, mLauncher)));
     }
 
@@ -224,12 +229,13 @@
     }
 
     /*
-     * Get the center point of the delete icon in the drop target bar.
+     * Get the center point of the delete/uninstall icon in the drop target bar.
      */
-    private Point getDeleteDropPoint() {
-        return mLauncher.waitForObjectInContainer(
-                mLauncher.waitForLauncherObject(DROP_BAR_RES_ID),
-                DELETE_TARGET_TEXT_ID).getVisibleCenter();
+    private static Point getDropPointFromDropTargetBar(
+            LauncherInstrumentation launcher, String targetId) {
+        return launcher.waitForObjectInContainer(
+                launcher.waitForLauncherObject(DROP_BAR_RES_ID),
+                targetId).getVisibleCenter();
     }
 
     /**
@@ -244,7 +250,7 @@
                      "removing app icon from workspace")) {
             dragIconToWorkspace(
                     mLauncher, appIcon,
-                    () -> getDeleteDropPoint(),
+                    () -> getDropPointFromDropTargetBar(mLauncher, DELETE_TARGET_TEXT_ID),
                     true, /* decelerating */
                     appIcon.getLongPressIndicator(),
                     () -> mLauncher.expectEvent(TestProtocol.SEQUENCE_MAIN, LONG_CLICK_EVENT),
@@ -258,6 +264,47 @@
     }
 
     /**
+     * Uninstall the appIcon by dragging it to the 'uninstall' drop point of the drop_target_bar.
+     *
+     * @param launcher the root TAPL instrumentation object of {@link LauncherInstrumentation} type.
+     * @param appIcon to be uninstalled.
+     * @param expectLongClickEvents the runnable to be executed to verify expected longclick event.
+     * @return validated workspace after the existing appIcon being uninstalled.
+     */
+    static Workspace uninstallAppIcon(LauncherInstrumentation launcher, AppIcon appIcon,
+            Runnable expectLongClickEvents) {
+        try (LauncherInstrumentation.Closable c = launcher.addContextLayer(
+                "uninstalling app icon")) {
+            dragIconToWorkspace(
+                    launcher, appIcon,
+                    () -> getDropPointFromDropTargetBar(launcher, UNINSTALL_TARGET_TEXT_ID),
+                    true, /* decelerating */
+                    appIcon.getLongPressIndicator(),
+                    expectLongClickEvents,
+                    null);
+
+            launcher.waitUntilLauncherObjectGone(DROP_BAR_RES_ID);
+
+            final BySelector installerAlert = By.text(Pattern.compile(
+                    "Do you want to uninstall this app\\?",
+                    Pattern.DOTALL | Pattern.MULTILINE));
+            final UiDevice device = launcher.getDevice();
+            assertTrue("uninstall alert is not shown", device.wait(
+                    Until.hasObject(installerAlert), LauncherInstrumentation.WAIT_TIME_MS));
+            final UiObject2 ok = device.findObject(By.text("OK"));
+            assertNotNull("OK button is not shown", ok);
+            launcher.clickObject(ok);
+            assertTrue("Uninstall alert is not dismissed after clicking OK", device.wait(
+                    Until.gone(installerAlert), LauncherInstrumentation.WAIT_TIME_MS));
+
+            try (LauncherInstrumentation.Closable c1 = launcher.addContextLayer(
+                    "uninstalled app by dragging to the drop bar")) {
+                return new Workspace(launcher);
+            }
+        }
+    }
+
+    /**
      * Finds folder icons in the current workspace.
      *
      * @return a list of folder icons.
diff --git a/tests/tapl/com/android/launcher3/tapl/WorkspaceAppIcon.java b/tests/tapl/com/android/launcher3/tapl/WorkspaceAppIcon.java
new file mode 100644
index 0000000..5f4e469
--- /dev/null
+++ b/tests/tapl/com/android/launcher3/tapl/WorkspaceAppIcon.java
@@ -0,0 +1,36 @@
+/*
+ * 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.tapl;
+
+import androidx.test.uiautomator.UiObject2;
+
+import java.util.regex.Pattern;
+
+/**
+ * App icon in workspace.
+ */
+final class WorkspaceAppIcon extends AppIcon {
+
+    WorkspaceAppIcon(LauncherInstrumentation launcher, UiObject2 icon) {
+        super(launcher, icon);
+    }
+
+    @Override
+    protected Pattern getLongClickEvent() {
+        return Workspace.LONG_CLICK_EVENT;
+    }
+}