diff --git a/quickstep/res/values-da/strings.xml b/quickstep/res/values-da/strings.xml
index d0fed79..1603fac 100644
--- a/quickstep/res/values-da/strings.xml
+++ b/quickstep/res/values-da/strings.xml
@@ -72,7 +72,7 @@
     <string name="overview_gesture_feedback_home_detected" msgid="663432226180397138">"Prøv at holde fingeren nede på vinduet i længere tid, inden du løfter den"</string>
     <string name="overview_gesture_feedback_wrong_swipe_direction" msgid="1191055451018584958">"Stryg lige opad, og hold derefter fingeren stille"</string>
     <string name="overview_gesture_feedback_complete_with_follow_up" msgid="3544611727467765026">"Du har lært, hvordan du bruger bevægelser. Du kan aktivere bevægelser i Indstillinger."</string>
-    <string name="overview_gesture_feedback_complete_without_follow_up" msgid="2903050864432331629">"Du har fuldført bevægelsen for Skift app"</string>
+    <string name="overview_gesture_feedback_complete_without_follow_up" msgid="2903050864432331629">"Du har fuldført bevægelsen for at skifte mellem apps"</string>
     <string name="overview_gesture_intro_title" msgid="2902054412868489378">"Stryg for at skifte app"</string>
     <string name="overview_gesture_intro_subtitle" msgid="4968091015637850859">"Skift mellem apps ved at stryge opad fra bunden af skærmen, holde fingeren stille og løfte den."</string>
     <string name="overview_gesture_spoken_intro_subtitle" msgid="3853371838260201751">"Skift mellem apps ved at stryge opad fra bunden af skærmen med 2 fingre, holde dem nede og slippe."</string>
diff --git a/quickstep/res/values-en-rAU/strings.xml b/quickstep/res/values-en-rAU/strings.xml
index dde0177..878c062 100644
--- a/quickstep/res/values-en-rAU/strings.xml
+++ b/quickstep/res/values-en-rAU/strings.xml
@@ -70,7 +70,7 @@
     <string name="home_gesture_tutorial_success" msgid="1736295017642244751">"Great work!"</string>
     <string name="overview_gesture_feedback_swipe_too_far_from_edge" msgid="6402349235265407385">"Make sure you swipe up from the bottom edge of the screen"</string>
     <string name="overview_gesture_feedback_home_detected" msgid="663432226180397138">"Try holding the window for longer before releasing"</string>
-    <string name="overview_gesture_feedback_wrong_swipe_direction" msgid="1191055451018584958">"Make sure that you swipe straight up, then pause."</string>
+    <string name="overview_gesture_feedback_wrong_swipe_direction" msgid="1191055451018584958">"Make sure that you swipe straight up, then pause"</string>
     <string name="overview_gesture_feedback_complete_with_follow_up" msgid="3544611727467765026">"You\'ve learned how to use gestures. To turn off gestures, go to Settings."</string>
     <string name="overview_gesture_feedback_complete_without_follow_up" msgid="2903050864432331629">"You completed the switch apps gesture"</string>
     <string name="overview_gesture_intro_title" msgid="2902054412868489378">"Swipe to switch apps"</string>
diff --git a/quickstep/res/values-en-rGB/strings.xml b/quickstep/res/values-en-rGB/strings.xml
index dde0177..878c062 100644
--- a/quickstep/res/values-en-rGB/strings.xml
+++ b/quickstep/res/values-en-rGB/strings.xml
@@ -70,7 +70,7 @@
     <string name="home_gesture_tutorial_success" msgid="1736295017642244751">"Great work!"</string>
     <string name="overview_gesture_feedback_swipe_too_far_from_edge" msgid="6402349235265407385">"Make sure you swipe up from the bottom edge of the screen"</string>
     <string name="overview_gesture_feedback_home_detected" msgid="663432226180397138">"Try holding the window for longer before releasing"</string>
-    <string name="overview_gesture_feedback_wrong_swipe_direction" msgid="1191055451018584958">"Make sure that you swipe straight up, then pause."</string>
+    <string name="overview_gesture_feedback_wrong_swipe_direction" msgid="1191055451018584958">"Make sure that you swipe straight up, then pause"</string>
     <string name="overview_gesture_feedback_complete_with_follow_up" msgid="3544611727467765026">"You\'ve learned how to use gestures. To turn off gestures, go to Settings."</string>
     <string name="overview_gesture_feedback_complete_without_follow_up" msgid="2903050864432331629">"You completed the switch apps gesture"</string>
     <string name="overview_gesture_intro_title" msgid="2902054412868489378">"Swipe to switch apps"</string>
diff --git a/quickstep/res/values-en-rIN/strings.xml b/quickstep/res/values-en-rIN/strings.xml
index dde0177..878c062 100644
--- a/quickstep/res/values-en-rIN/strings.xml
+++ b/quickstep/res/values-en-rIN/strings.xml
@@ -70,7 +70,7 @@
     <string name="home_gesture_tutorial_success" msgid="1736295017642244751">"Great work!"</string>
     <string name="overview_gesture_feedback_swipe_too_far_from_edge" msgid="6402349235265407385">"Make sure you swipe up from the bottom edge of the screen"</string>
     <string name="overview_gesture_feedback_home_detected" msgid="663432226180397138">"Try holding the window for longer before releasing"</string>
-    <string name="overview_gesture_feedback_wrong_swipe_direction" msgid="1191055451018584958">"Make sure that you swipe straight up, then pause."</string>
+    <string name="overview_gesture_feedback_wrong_swipe_direction" msgid="1191055451018584958">"Make sure that you swipe straight up, then pause"</string>
     <string name="overview_gesture_feedback_complete_with_follow_up" msgid="3544611727467765026">"You\'ve learned how to use gestures. To turn off gestures, go to Settings."</string>
     <string name="overview_gesture_feedback_complete_without_follow_up" msgid="2903050864432331629">"You completed the switch apps gesture"</string>
     <string name="overview_gesture_intro_title" msgid="2902054412868489378">"Swipe to switch apps"</string>
diff --git a/quickstep/res/values-sw720dp/dimens.xml b/quickstep/res/values-sw720dp/dimens.xml
index 9e832bc..1caffb8 100644
--- a/quickstep/res/values-sw720dp/dimens.xml
+++ b/quickstep/res/values-sw720dp/dimens.xml
@@ -43,4 +43,7 @@
     <dimen name="taskbar_app_window_threshold">100dp</dimen>
     <dimen name="taskbar_home_overview_threshold">180dp</dimen>
     <dimen name="taskbar_catch_up_threshold">300dp</dimen>
+
+    <!-- Taskbar swipe up threshold multipliers -->
+    <item name="taskbar_nav_threshold_mult" format="float" type="dimen">3</item>
 </resources>
diff --git a/quickstep/res/values/dimens.xml b/quickstep/res/values/dimens.xml
index f04a1f9..b024418 100644
--- a/quickstep/res/values/dimens.xml
+++ b/quickstep/res/values/dimens.xml
@@ -328,6 +328,12 @@
     <!-- Taskbar swipe down threshold -->
     <dimen name="taskbar_to_nav_threshold">24dp</dimen>
 
+    <!-- Taskbar swipe up threshold multipliers -->
+    <item name="taskbar_nav_threshold_mult" format="float" type="dimen">4.5</item>
+    <item name="taskbar_app_window_threshold_mult" format="float" type="dimen">10</item>
+    <item name="taskbar_home_overview_threshold_mult" format="float" type="dimen">18</item>
+    <item name="taskbar_catch_up_threshold_mult" format="float" type="dimen">30</item>
+
     <!--  Taskbar 3 button spacing  -->
     <dimen name="taskbar_button_space_inbetween">24dp</dimen>
     <dimen name="taskbar_button_space_inbetween_phone">40dp</dimen>
diff --git a/quickstep/src/com/android/launcher3/taskbar/NavbarButtonsViewController.java b/quickstep/src/com/android/launcher3/taskbar/NavbarButtonsViewController.java
index 1705f11..fcd8c80 100644
--- a/quickstep/src/com/android/launcher3/taskbar/NavbarButtonsViewController.java
+++ b/quickstep/src/com/android/launcher3/taskbar/NavbarButtonsViewController.java
@@ -736,6 +736,7 @@
                             dp, mNavButtonsView, res, isInKidsMode, isInSetup, isThreeButtonNav,
                             TaskbarManager.isPhoneMode(dp), mDisplayController.getInfo().rotation);
             navButtonLayoutter.layoutButtons(dp, isContextualButtonShowing());
+            updateNavButtonColor();
             return;
         }
 
diff --git a/quickstep/src/com/android/launcher3/taskbar/TaskbarActivityContext.java b/quickstep/src/com/android/launcher3/taskbar/TaskbarActivityContext.java
index f7f3bfd..b58ad38 100644
--- a/quickstep/src/com/android/launcher3/taskbar/TaskbarActivityContext.java
+++ b/quickstep/src/com/android/launcher3/taskbar/TaskbarActivityContext.java
@@ -119,6 +119,7 @@
 import com.android.systemui.unfold.util.ScopedUnfoldTransitionProgressProvider;
 
 import java.io.PrintWriter;
+import java.util.Collections;
 import java.util.Optional;
 
 /**
@@ -997,9 +998,10 @@
         if (recents == null) {
             return;
         }
-        recents.getSplitSelectController().findLastActiveTaskAndRunCallback(
-                info.getComponentKey(),
-                foundTask -> {
+        recents.getSplitSelectController().findLastActiveTasksAndRunCallback(
+                Collections.singletonList(info.getComponentKey()),
+                foundTasks -> {
+                    @Nullable Task foundTask = foundTasks.get(0);
                     if (foundTask != null) {
                         TaskView foundTaskView =
                                 recents.getTaskViewByTaskId(foundTask.key.id);
diff --git a/quickstep/src/com/android/launcher3/taskbar/TaskbarManager.java b/quickstep/src/com/android/launcher3/taskbar/TaskbarManager.java
index 1809d40..528cb30 100644
--- a/quickstep/src/com/android/launcher3/taskbar/TaskbarManager.java
+++ b/quickstep/src/com/android/launcher3/taskbar/TaskbarManager.java
@@ -40,6 +40,7 @@
 import android.net.Uri;
 import android.os.Handler;
 import android.os.SystemProperties;
+import android.os.Trace;
 import android.provider.Settings;
 import android.util.Log;
 import android.view.Display;
@@ -180,6 +181,8 @@
 
             @Override
             public void onConfigurationChanged(Configuration newConfig) {
+                Trace.instantForTrack(Trace.TRACE_TAG_APP, "TaskbarManager",
+                        "onConfigurationChanged: " + newConfig);
                 debugWhyTaskbarNotDestroyed(
                         "TaskbarManager#mComponentCallbacks.onConfigurationChanged: " + newConfig);
                 DeviceProfile dp = mUserUnlocked
@@ -347,38 +350,44 @@
      */
     @VisibleForTesting
     public void recreateTaskbar() {
-        DeviceProfile dp = mUserUnlocked ?
+        Trace.beginSection("recreateTaskbar");
+        try {
+            DeviceProfile dp = mUserUnlocked ?
                 LauncherAppState.getIDP(mContext).getDeviceProfile(mContext) : null;
 
-        destroyExistingTaskbar();
+            destroyExistingTaskbar();
 
-        boolean isTaskbarEnabled = dp != null && isTaskbarPresent(dp);
-        debugWhyTaskbarNotDestroyed("recreateTaskbar: isTaskbarEnabled=" + isTaskbarEnabled
+            boolean isTaskbarEnabled = dp != null && isTaskbarPresent(dp);
+            debugWhyTaskbarNotDestroyed("recreateTaskbar: isTaskbarEnabled=" + isTaskbarEnabled
                 + " [dp != null (i.e. mUserUnlocked)]=" + (dp != null)
                 + " FLAG_HIDE_NAVBAR_WINDOW=" + FLAG_HIDE_NAVBAR_WINDOW
                 + " dp.isTaskbarPresent=" + (dp == null ? "null" : dp.isTaskbarPresent));
-        if (!isTaskbarEnabled) {
-            SystemUiProxy.INSTANCE.get(mContext)
+            if (!isTaskbarEnabled) {
+                SystemUiProxy.INSTANCE.get(mContext)
                     .notifyTaskbarStatus(/* visible */ false, /* stashed */ false);
-            return;
-        }
+                return;
+            }
 
-        if (mTaskbarActivityContext == null) {
-            mTaskbarActivityContext = new TaskbarActivityContext(mContext, dp, mNavButtonController,
+            if (mTaskbarActivityContext == null) {
+                mTaskbarActivityContext = new TaskbarActivityContext(mContext, dp,
+                    mNavButtonController,
                     mUnfoldProgressProvider);
-        } else {
-            mTaskbarActivityContext.updateDeviceProfile(dp);
-        }
-        mTaskbarActivityContext.init(mSharedState);
+            } else {
+                mTaskbarActivityContext.updateDeviceProfile(dp);
+            }
+            mTaskbarActivityContext.init(mSharedState);
 
-        if (mActivity != null) {
-            mTaskbarActivityContext.setUIController(
+            if (mActivity != null) {
+                mTaskbarActivityContext.setUIController(
                     createTaskbarUIControllerForActivity(mActivity));
-        }
+            }
 
-        // We to wait until user unlocks the device to attach listener.
-        LauncherPrefs.get(mContext).addListener(mTaskbarPinningPreferenceChangeListener,
+            // We to wait until user unlocks the device to attach listener.
+            LauncherPrefs.get(mContext).addListener(mTaskbarPinningPreferenceChangeListener,
                 TASKBAR_PINNING);
+        } finally {
+            Trace.endSection();
+        }
     }
 
     public void onSystemUiFlagsChanged(int systemUiStateFlags) {
diff --git a/quickstep/src/com/android/launcher3/taskbar/TaskbarThresholdUtils.java b/quickstep/src/com/android/launcher3/taskbar/TaskbarThresholdUtils.java
new file mode 100644
index 0000000..5b6fbef
--- /dev/null
+++ b/quickstep/src/com/android/launcher3/taskbar/TaskbarThresholdUtils.java
@@ -0,0 +1,87 @@
+/*
+ * Copyright (C) 2023 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.taskbar;
+
+import static com.android.launcher3.Utilities.dpToPx;
+import static com.android.launcher3.Utilities.dpiFromPx;
+
+import android.content.res.Resources;
+import android.util.DisplayMetrics;
+
+import androidx.core.content.res.ResourcesCompat;
+
+import com.android.launcher3.DeviceProfile;
+import com.android.launcher3.R;
+import com.android.launcher3.config.FeatureFlags;
+
+/**
+ * Utility class that contains the different taskbar thresholds logic.
+ */
+public class TaskbarThresholdUtils {
+
+    // We divide the screen into this many parts, and use the result to scale the thresholds to
+    // any size device. Note that this value was calculated arbitrarily by using two tablet devices
+    // as data points.
+    private static final float SCREEN_UNITS = 1 / 80f;
+
+    private static int getThreshold(Resources r, DeviceProfile dp, int thresholdDimen,
+            int multiplierDimen) {
+        if (!FeatureFlags.ENABLE_DYNAMIC_TASKBAR_THRESHOLDS.get()) {
+            return r.getDimensionPixelSize(thresholdDimen);
+        }
+
+        float landscapeScreenHeight = dp.isLandscape ? dp.heightPx : dp.widthPx;
+        float screenPart = (landscapeScreenHeight * SCREEN_UNITS);
+        float defaultDp = dpiFromPx(screenPart, DisplayMetrics.DENSITY_DEVICE_STABLE);
+        float thisDp = dpToPx(defaultDp);
+        float multiplier = ResourcesCompat.getFloat(r, multiplierDimen);
+        float value = (thisDp) * multiplier;
+
+        return Math.round(value);
+    }
+
+    /**
+     * Returns the threshold that determines if we should show taskbar.
+     */
+    public static int getFromNavThreshold(Resources r, DeviceProfile dp) {
+        return getThreshold(r, dp, R.dimen.taskbar_from_nav_threshold,
+                R.dimen.taskbar_nav_threshold_mult);
+    }
+
+    /**
+     * Returns the threshold that we start moving the app window.
+     */
+    public static int getAppWindowThreshold(Resources r, DeviceProfile dp) {
+        return getThreshold(r, dp, R.dimen.taskbar_app_window_threshold,
+                R.dimen.taskbar_app_window_threshold_mult);
+    }
+
+    /**
+     * Returns the threshold for whether we land in home or overview.
+     */
+    public static int getHomeOverviewThreshold(Resources r, DeviceProfile dp) {
+        return getThreshold(r, dp, R.dimen.taskbar_home_overview_threshold,
+                R.dimen.taskbar_home_overview_threshold_mult);
+    }
+
+    /**
+     * Returns the threshold that we use to allow swipe to catch up to finger.
+     */
+    public static int getCatchUpThreshold(Resources r, DeviceProfile dp) {
+        return getThreshold(r, dp, R.dimen.taskbar_catch_up_threshold,
+                R.dimen.taskbar_catch_up_threshold_mult);
+    }
+}
diff --git a/quickstep/src/com/android/launcher3/taskbar/TaskbarUIController.java b/quickstep/src/com/android/launcher3/taskbar/TaskbarUIController.java
index 7154731..6fad655 100644
--- a/quickstep/src/com/android/launcher3/taskbar/TaskbarUIController.java
+++ b/quickstep/src/com/android/launcher3/taskbar/TaskbarUIController.java
@@ -40,8 +40,11 @@
 import com.android.quickstep.views.RecentsView;
 import com.android.quickstep.views.TaskView;
 import com.android.quickstep.views.TaskView.TaskIdAttributeContainer;
+import com.android.systemui.shared.recents.model.Task;
 
 import java.io.PrintWriter;
+import java.util.Arrays;
+import java.util.Collections;
 import java.util.stream.Stream;
 
 /**
@@ -204,9 +207,10 @@
             return;
         }
 
-        recentsView.getSplitSelectController().findLastActiveTaskAndRunCallback(
-                splitSelectSource.itemInfo.getComponentKey(),
-                foundTask -> {
+        recentsView.getSplitSelectController().findLastActiveTasksAndRunCallback(
+                Collections.singletonList(splitSelectSource.itemInfo.getComponentKey()),
+                foundTasks -> {
+                    @Nullable Task foundTask = foundTasks.get(0);
                     splitSelectSource.alreadyRunningTaskId = foundTask == null
                             ? INVALID_TASK_ID
                             : foundTask.key.id;
@@ -221,9 +225,10 @@
      */
     public void triggerSecondAppForSplit(ItemInfoWithIcon info, Intent intent, View startingView) {
         RecentsView recents = getRecentsView();
-        recents.getSplitSelectController().findLastActiveTaskAndRunCallback(
-                info.getComponentKey(),
-                foundTask -> {
+        recents.getSplitSelectController().findLastActiveTasksAndRunCallback(
+                Collections.singletonList(info.getComponentKey()),
+                foundTasks -> {
+                    @Nullable Task foundTask = foundTasks.get(0);
                     if (foundTask != null) {
                         TaskView foundTaskView = recents.getTaskViewByTaskId(foundTask.key.id);
                         // TODO (b/266482558): This additional null check is needed because there
diff --git a/quickstep/src/com/android/launcher3/taskbar/navbutton/PhoneLandscapeNavLayoutter.kt b/quickstep/src/com/android/launcher3/taskbar/navbutton/PhoneLandscapeNavLayoutter.kt
index 92715a7..aeec2c6 100644
--- a/quickstep/src/com/android/launcher3/taskbar/navbutton/PhoneLandscapeNavLayoutter.kt
+++ b/quickstep/src/com/android/launcher3/taskbar/navbutton/PhoneLandscapeNavLayoutter.kt
@@ -52,7 +52,6 @@
         navContainerParams.apply {
             width = taskbarDimensions.x
             height = ViewGroup.LayoutParams.MATCH_PARENT
-            gravity = Gravity.CENTER
             topMargin = endStartMargins
             bottomMargin = endStartMargins
             marginEnd = 0
@@ -65,6 +64,7 @@
         navButtonContainer.addView(backButton)
 
         navButtonContainer.layoutParams = navContainerParams
+        navButtonContainer.gravity = Gravity.CENTER_HORIZONTAL
 
         // Add the spaces in between the nav buttons
         val spaceInBetween: Int =
diff --git a/quickstep/src/com/android/launcher3/taskbar/navbutton/PhonePortraitNavLayoutter.kt b/quickstep/src/com/android/launcher3/taskbar/navbutton/PhonePortraitNavLayoutter.kt
index 7f7fda7..e97e378 100644
--- a/quickstep/src/com/android/launcher3/taskbar/navbutton/PhonePortraitNavLayoutter.kt
+++ b/quickstep/src/com/android/launcher3/taskbar/navbutton/PhonePortraitNavLayoutter.kt
@@ -46,23 +46,27 @@
             DimensionUtils.getTaskbarPhoneDimensions(dp, resources,
                     TaskbarManager.isPhoneMode(dp))
         val endStartMargins = resources.getDimensionPixelSize(R.dimen.taskbar_nav_buttons_size)
-        navContainerParams.width = taskbarDimensions.x
-        navContainerParams.height = ViewGroup.LayoutParams.MATCH_PARENT
-        navContainerParams.gravity = Gravity.CENTER_VERTICAL
 
         // Ensure order of buttons is correct
         navButtonContainer.removeAllViews()
         navButtonContainer.orientation = LinearLayout.HORIZONTAL
-        navContainerParams.topMargin = 0
-        navContainerParams.bottomMargin = 0
-        navContainerParams.marginEnd = endStartMargins
-        navContainerParams.marginStart = endStartMargins
+
+        navContainerParams.apply {
+            width = taskbarDimensions.x
+            height = ViewGroup.LayoutParams.MATCH_PARENT
+            topMargin = 0
+            bottomMargin = 0
+            marginEnd = endStartMargins
+            marginStart = endStartMargins
+        }
+
         // Swap recents and back button in case we were landscape prior to this
         navButtonContainer.addView(backButton)
         navButtonContainer.addView(homeButton)
         navButtonContainer.addView(recentsButton)
 
         navButtonContainer.layoutParams = navContainerParams
+        navButtonContainer.gravity = Gravity.CENTER_VERTICAL
 
         // Add the spaces in between the nav buttons
         val spaceInBetween =
diff --git a/quickstep/src/com/android/launcher3/uioverrides/QuickstepLauncher.java b/quickstep/src/com/android/launcher3/uioverrides/QuickstepLauncher.java
index 20383f4..45d2fb0 100644
--- a/quickstep/src/com/android/launcher3/uioverrides/QuickstepLauncher.java
+++ b/quickstep/src/com/android/launcher3/uioverrides/QuickstepLauncher.java
@@ -117,6 +117,7 @@
 import com.android.launcher3.model.BgDataModel.FixedContainerItems;
 import com.android.launcher3.model.WellbeingModel;
 import com.android.launcher3.model.data.ItemInfo;
+import com.android.launcher3.model.data.WorkspaceItemInfo;
 import com.android.launcher3.popup.SystemShortcut;
 import com.android.launcher3.proxy.ProxyActivityStarter;
 import com.android.launcher3.statehandlers.DepthController;
@@ -173,6 +174,7 @@
 import com.android.quickstep.views.OverviewActionsView;
 import com.android.quickstep.views.RecentsView;
 import com.android.quickstep.views.TaskView;
+import com.android.systemui.shared.recents.model.Task;
 import com.android.systemui.shared.system.ActivityManagerWrapper;
 import com.android.systemui.unfold.RemoteUnfoldSharedComponent;
 import com.android.systemui.unfold.UnfoldSharedComponent;
@@ -618,9 +620,10 @@
         RecentsView recentsView = getOverviewPanel();
         // Check if there is already an instance of this app running, if so, initiate the split
         // using that.
-        mSplitSelectStateController.findLastActiveTaskAndRunCallback(
-                splitSelectSource.itemInfo.getComponentKey(),
-                foundTask -> {
+        mSplitSelectStateController.findLastActiveTasksAndRunCallback(
+                Collections.singletonList(splitSelectSource.itemInfo.getComponentKey()),
+                foundTasks -> {
+                    @Nullable Task foundTask = foundTasks.get(0);
                     boolean taskWasFound = foundTask != null;
                     splitSelectSource.alreadyRunningTaskId = taskWasFound
                             ? foundTask.key.id
@@ -1326,6 +1329,13 @@
                                 : groupTask.mSplitBounds.leftTaskPercent);
     }
 
+    /**
+     * Launches two apps as an app pair.
+     */
+    public void launchAppPair(WorkspaceItemInfo app1, WorkspaceItemInfo app2) {
+        mSplitSelectStateController.getAppPairsController().launchAppPair(app1, app2);
+    }
+
     public boolean canStartHomeSafely() {
         OverviewCommandHelper overviewCommandHelper = mTISBindHelper.getOverviewCommandHelper();
         return overviewCommandHelper == null || overviewCommandHelper.canStartHomeSafely();
diff --git a/quickstep/src/com/android/quickstep/AbsSwipeUpHandler.java b/quickstep/src/com/android/quickstep/AbsSwipeUpHandler.java
index ff757b1..796840d 100644
--- a/quickstep/src/com/android/quickstep/AbsSwipeUpHandler.java
+++ b/quickstep/src/com/android/quickstep/AbsSwipeUpHandler.java
@@ -106,6 +106,7 @@
 import com.android.launcher3.statehandlers.DesktopVisibilityController;
 import com.android.launcher3.statemanager.BaseState;
 import com.android.launcher3.statemanager.StatefulActivity;
+import com.android.launcher3.taskbar.TaskbarThresholdUtils;
 import com.android.launcher3.taskbar.TaskbarUIController;
 import com.android.launcher3.uioverrides.QuickstepLauncher;
 import com.android.launcher3.util.ActivityLifecycleCallbacksAdapter;
@@ -379,12 +380,12 @@
         mTaskbarAlreadyOpen = controller != null && !controller.isTaskbarStashed();
         mIsTaskbarAllAppsOpen = controller != null && controller.isTaskbarAllAppsOpen();
         mTaskbarAppWindowThreshold =
-                res.getDimensionPixelSize(R.dimen.taskbar_app_window_threshold);
+                TaskbarThresholdUtils.getAppWindowThreshold(res, mDp);
         boolean swipeWillNotShowTaskbar = mTaskbarAlreadyOpen || mGestureState.isTrackpadGesture();
         mTaskbarHomeOverviewThreshold = swipeWillNotShowTaskbar
                 ? 0
-                : res.getDimensionPixelSize(R.dimen.taskbar_home_overview_threshold);
-        mTaskbarCatchUpThreshold = res.getDimensionPixelSize(R.dimen.taskbar_catch_up_threshold);
+                : TaskbarThresholdUtils.getHomeOverviewThreshold(res, mDp);
+        mTaskbarCatchUpThreshold = TaskbarThresholdUtils.getCatchUpThreshold(res, mDp);
     }
 
     @Nullable
diff --git a/quickstep/src/com/android/quickstep/TaskShortcutFactory.java b/quickstep/src/com/android/quickstep/TaskShortcutFactory.java
index 56f407c..901690b 100644
--- a/quickstep/src/com/android/quickstep/TaskShortcutFactory.java
+++ b/quickstep/src/com/android/quickstep/TaskShortcutFactory.java
@@ -140,6 +140,7 @@
 
         @Override
         public void onClick(View view) {
+            dismissTaskMenuView(mTarget);
             ((RecentsView) mTarget.getOverviewPanel())
                     .getSplitSelectController().getAppPairsController().saveAppPair(mTaskView);
         }
diff --git a/quickstep/src/com/android/quickstep/inputconsumers/TaskbarUnstashInputConsumer.java b/quickstep/src/com/android/quickstep/inputconsumers/TaskbarUnstashInputConsumer.java
index 172c9e9..4b13cd1 100644
--- a/quickstep/src/com/android/quickstep/inputconsumers/TaskbarUnstashInputConsumer.java
+++ b/quickstep/src/com/android/quickstep/inputconsumers/TaskbarUnstashInputConsumer.java
@@ -37,6 +37,7 @@
 import com.android.launcher3.R;
 import com.android.launcher3.Utilities;
 import com.android.launcher3.taskbar.TaskbarActivityContext;
+import com.android.launcher3.taskbar.TaskbarThresholdUtils;
 import com.android.launcher3.taskbar.TaskbarTranslationController.TransitionCallback;
 import com.android.launcher3.taskbar.bubbles.BubbleControllers;
 import com.android.launcher3.touch.OverScroll;
@@ -94,7 +95,8 @@
 
         Resources res = context.getResources();
         mUnstashArea = res.getDimensionPixelSize(R.dimen.taskbar_unstash_input_area);
-        mTaskbarNavThreshold = res.getDimensionPixelSize(R.dimen.taskbar_from_nav_threshold);
+        mTaskbarNavThreshold = TaskbarThresholdUtils.getFromNavThreshold(res,
+                taskbarActivityContext.getDeviceProfile());
         mTaskbarNavThresholdY = taskbarActivityContext.getDeviceProfile().heightPx
                 - mTaskbarNavThreshold;
         mIsTaskbarAllAppsOpen =
diff --git a/quickstep/src/com/android/quickstep/util/AppPairsController.java b/quickstep/src/com/android/quickstep/util/AppPairsController.java
index cbde257..1a7099d 100644
--- a/quickstep/src/com/android/quickstep/util/AppPairsController.java
+++ b/quickstep/src/com/android/quickstep/util/AppPairsController.java
@@ -17,19 +17,30 @@
 
 package com.android.quickstep.util;
 
+import static com.android.launcher3.logging.StatsLogManager.LauncherEvent.LAUNCHER_APP_PAIR_LAUNCH;
 import static com.android.launcher3.util.Executors.MAIN_EXECUTOR;
 import static com.android.launcher3.util.Executors.MODEL_EXECUTOR;
 
+import android.app.ActivityTaskManager;
 import android.content.Context;
+import android.content.Intent;
+
+import androidx.annotation.Nullable;
 
 import com.android.launcher3.Launcher;
 import com.android.launcher3.LauncherAppState;
 import com.android.launcher3.LauncherSettings;
 import com.android.launcher3.accessibility.LauncherAccessibilityDelegate;
 import com.android.launcher3.icons.IconCache;
+import com.android.launcher3.logging.StatsLogManager;
 import com.android.launcher3.model.data.FolderInfo;
 import com.android.launcher3.model.data.WorkspaceItemInfo;
+import com.android.launcher3.util.ComponentKey;
+import com.android.launcher3.util.SplitConfigurationOptions;
 import com.android.quickstep.views.TaskView;
+import com.android.systemui.shared.recents.model.Task;
+
+import java.util.Arrays;
 
 /**
  * Mini controller class that handles app pair interactions: saving, modifying, deleting, etc.
@@ -52,10 +63,13 @@
 
     private final Context mContext;
     private final SplitSelectStateController mSplitSelectStateController;
+    private final StatsLogManager mStatsLogManager;
     public AppPairsController(Context context,
-            SplitSelectStateController splitSelectStateController) {
+            SplitSelectStateController splitSelectStateController,
+            StatsLogManager statsLogManager) {
         mContext = context;
         mSplitSelectStateController = splitSelectStateController;
+        mStatsLogManager = statsLogManager;
     }
 
     /**
@@ -84,11 +98,51 @@
                 LauncherAccessibilityDelegate delegate =
                         Launcher.getLauncher(mContext).getAccessibilityDelegate();
                 if (delegate != null) {
-                    MAIN_EXECUTOR.execute(() -> delegate.addToWorkspace(newAppPair, true));
+                    delegate.addToWorkspace(newAppPair, true);
+                    mStatsLogManager.logger().withItemInfo(newAppPair)
+                            .log(StatsLogManager.LauncherEvent.LAUNCHER_APP_PAIR_SAVE);
                 }
             });
         });
+    }
 
+    /**
+     * Launches an app pair by searching the RecentsModel for running instances of each app, and
+     * staging either those running instances or launching the apps as new Intents.
+     */
+    public void launchAppPair(WorkspaceItemInfo app1, WorkspaceItemInfo app2) {
+        ComponentKey app1Key = new ComponentKey(app1.getTargetComponent(), app1.user);
+        ComponentKey app2Key = new ComponentKey(app2.getTargetComponent(), app2.user);
+        mSplitSelectStateController.findLastActiveTasksAndRunCallback(
+                Arrays.asList(app1Key, app2Key),
+                foundTasks -> {
+                    @Nullable Task foundTask1 = foundTasks.get(0);
+                    Intent task1Intent;
+                    int task1Id;
+                    if (foundTask1 != null) {
+                        task1Id = foundTask1.key.id;
+                        task1Intent = null;
+                    } else {
+                        task1Id = ActivityTaskManager.INVALID_TASK_ID;
+                        task1Intent = app1.intent;
+                    }
+
+                    mSplitSelectStateController.setInitialTaskSelect(task1Intent,
+                            SplitConfigurationOptions.STAGE_POSITION_TOP_OR_LEFT,
+                            app1,
+                            LAUNCHER_APP_PAIR_LAUNCH,
+                            task1Id);
+
+                    @Nullable Task foundTask2 = foundTasks.get(1);
+                    if (foundTask2 != null) {
+                        mSplitSelectStateController.setSecondTask(foundTask2);
+                    } else {
+                        mSplitSelectStateController.setSecondTask(
+                                app2.intent, app2.user);
+                    }
+
+                    mSplitSelectStateController.launchSplitTasks();
+                });
     }
 
     /**
diff --git a/quickstep/src/com/android/quickstep/util/SplitAnimationController.kt b/quickstep/src/com/android/quickstep/util/SplitAnimationController.kt
index bcb9cec..c3774eb 100644
--- a/quickstep/src/com/android/quickstep/util/SplitAnimationController.kt
+++ b/quickstep/src/com/android/quickstep/util/SplitAnimationController.kt
@@ -60,8 +60,6 @@
         )
     }
 
-    var splitInstructionsView: SplitInstructionsView? = null
-
     /**
      * Returns different elements to animate for the initial split selection animation
      * depending on the state of the surface from which the split was initiated
@@ -235,7 +233,8 @@
         animatorSet.addListener(object : AnimatorListenerAdapter() {
             override fun onAnimationEnd(animation: Animator) {
                 splitSelectStateController.resetState()
-                safeRemoveViewFromDragLayer(launcher, splitInstructionsView)
+                safeRemoveViewFromDragLayer(launcher,
+                        splitSelectStateController.splitInstructionsView)
             }
         })
         return animatorSet
@@ -246,8 +245,9 @@
      * app for splitscreen
      */
     fun getShowSplitInstructionsAnim(launcher: StatefulActivity<*>) : PendingAnimation {
-        safeRemoveViewFromDragLayer(launcher, splitInstructionsView)
-        splitInstructionsView = SplitInstructionsView.getSplitInstructionsView(launcher)
+        safeRemoveViewFromDragLayer(launcher, splitSelectStateController.splitInstructionsView)
+        val splitInstructionsView = SplitInstructionsView.getSplitInstructionsView(launcher)
+        splitSelectStateController.splitInstructionsView = splitInstructionsView
         val timings = AnimUtils.getDeviceOverviewToSplitTimings(launcher.deviceProfile.isTablet)
         val anim = PendingAnimation(100 /*duration */)
         anim.setViewAlpha(splitInstructionsView, 1f,
@@ -267,7 +267,7 @@
 
     /** Removes the split instructions view from [launcher] drag layer. */
     fun removeSplitInstructionsView(launcher: StatefulActivity<*>) {
-        safeRemoveViewFromDragLayer(launcher, splitInstructionsView)
+        safeRemoveViewFromDragLayer(launcher, splitSelectStateController.splitInstructionsView)
     }
 
     private fun safeRemoveViewFromDragLayer(launcher: StatefulActivity<*>, view: View?) {
diff --git a/quickstep/src/com/android/quickstep/util/SplitSelectStateController.java b/quickstep/src/com/android/quickstep/util/SplitSelectStateController.java
index 7ba6d42..453a1bd 100644
--- a/quickstep/src/com/android/quickstep/util/SplitSelectStateController.java
+++ b/quickstep/src/com/android/quickstep/util/SplitSelectStateController.java
@@ -73,11 +73,13 @@
 import com.android.quickstep.TaskViewUtils;
 import com.android.quickstep.views.FloatingTaskView;
 import com.android.quickstep.views.GroupedTaskView;
+import com.android.quickstep.views.SplitInstructionsView;
 import com.android.systemui.shared.recents.model.Task;
 import com.android.systemui.shared.system.RemoteAnimationRunnerCompat;
 
 import java.io.PrintWriter;
 import java.util.ArrayList;
+import java.util.Collections;
 import java.util.List;
 import java.util.function.Consumer;
 
@@ -112,6 +114,7 @@
     private GroupedTaskView mLaunchingTaskView;
 
     private FloatingTaskView mFirstFloatingTaskView;
+    private SplitInstructionsView mSplitInstructionsView;
 
     private final List<SplitSelectionListener> mSplitSelectionListeners = new ArrayList<>();
 
@@ -126,7 +129,7 @@
         mDepthController = depthController;
         mRecentTasksModel = recentsModel;
         mSplitAnimationController = new SplitAnimationController(this);
-        mAppPairsController = new AppPairsController(context, this);
+        mAppPairsController = new AppPairsController(context, this, statsLogManager);
         mSplitSelectDataHolder = new SplitSelectDataHolder(mContext);
     }
 
@@ -153,37 +156,46 @@
     }
 
     /**
-     * Pulls the list of active Tasks from RecentsModel, and finds the most recently active Task
-     * matching a given ComponentName. Then uses that Task (which could be null) with the given
-     * callback.
+     * Maps a List<ComponentKey> to List<@Nullable Task>, searching through active Tasks in
+     * RecentsModel. If found, the Task will be the most recently-interacted-with instance of that
+     * Task. Then runs the given callback on that List.
      * <p>
      * Used in various task-switching or splitscreen operations when we need to check if there is a
      * currently running Task of a certain type and use the most recent one.
      */
-    public void findLastActiveTaskAndRunCallback(
-            @Nullable ComponentKey componentKey, Consumer<Task> callback) {
+    public void findLastActiveTasksAndRunCallback(
+            @Nullable List<ComponentKey> componentKeys, Consumer<List<Task>> callback) {
         mRecentTasksModel.getTasks(taskGroups -> {
-            if (componentKey == null) {
-                callback.accept(null);
+            if (componentKeys == null || componentKeys.isEmpty()) {
+                callback.accept(Collections.emptyList());
                 return;
             }
-            Task lastActiveTask = null;
-            // Loop through tasks in reverse, since they are ordered with most-recent tasks last.
-            for (int i = taskGroups.size() - 1; i >= 0; i--) {
-                GroupTask groupTask = taskGroups.get(i);
-                Task task1 = groupTask.task1;
-                if (isInstanceOfComponent(task1, componentKey)) {
-                    lastActiveTask = task1;
-                    break;
+
+            List<Task> lastActiveTasks = new ArrayList<>();
+            // For each key we are looking for, add to lastActiveTasks with the corresponding Task
+            // (or null if not found).
+            for (ComponentKey key : componentKeys) {
+                Task lastActiveTask = null;
+                // Loop through tasks in reverse, since they are ordered with most-recent tasks last
+                for (int i = taskGroups.size() - 1; i >= 0; i--) {
+                    GroupTask groupTask = taskGroups.get(i);
+                    Task task1 = groupTask.task1;
+                    // Don't add duplicate Tasks
+                    if (isInstanceOfComponent(task1, key) && !lastActiveTasks.contains(task1)) {
+                        lastActiveTask = task1;
+                        break;
+                    }
+                    Task task2 = groupTask.task2;
+                    if (isInstanceOfComponent(task2, key) && !lastActiveTasks.contains(task2)) {
+                        lastActiveTask = task2;
+                        break;
+                    }
                 }
-                Task task2 = groupTask.task2;
-                if (isInstanceOfComponent(task2, componentKey)) {
-                    lastActiveTask = task2;
-                    break;
-                }
+
+                lastActiveTasks.add(lastActiveTask);
             }
 
-            callback.accept(lastActiveTask);
+            callback.accept(lastActiveTasks);
         });
     }
 
@@ -226,7 +238,7 @@
      * To be called when the both split tasks are ready to be launched. Call after launcher side
      * animations are complete.
      */
-    public void launchSplitTasks(Consumer<Boolean> callback) {
+    public void launchSplitTasks(@Nullable Consumer<Boolean> callback) {
         Pair<InstanceId, com.android.launcher3.logging.InstanceId> instanceIds =
                 LogUtils.getShellShareableInstanceId();
         launchTasks(callback, false /* freezeTaskList */, DEFAULT_SPLIT_RATIO,
@@ -239,6 +251,14 @@
     }
 
     /**
+     * A version of {@link #launchTasks(Consumer, boolean, float, InstanceId)} with no success
+     * callback.
+     */
+    public void launchSplitTasks() {
+        launchSplitTasks(null);
+    }
+
+    /**
      * To be called as soon as user selects the second task (even if animations aren't complete)
      * @param task The second task that will be launched.
      */
@@ -271,8 +291,8 @@
      *                   create a split instance, null for cases that bring existing instaces to the
      *                   foreground (quickswitch, launching previous pairs from overview)
      */
-    public void launchTasks(Consumer<Boolean> callback, boolean freezeTaskList, float splitRatio,
-            @Nullable InstanceId shellInstanceId) {
+    public void launchTasks(@Nullable Consumer<Boolean> callback, boolean freezeTaskList,
+            float splitRatio, @Nullable InstanceId shellInstanceId) {
         TestLogging.recordEvent(
                 TestProtocol.SEQUENCE_MAIN, "launchSplitTasks");
         final ActivityOptions options1 = ActivityOptions.makeBasic();
@@ -457,7 +477,7 @@
     }
 
     private RemoteTransition getShellRemoteTransition(int firstTaskId, int secondTaskId,
-            Consumer<Boolean> callback, String transitionName) {
+            @Nullable Consumer<Boolean> callback, String transitionName) {
         final RemoteSplitLaunchTransitionRunner animationRunner =
                 new RemoteSplitLaunchTransitionRunner(firstTaskId, secondTaskId, callback);
         return new RemoteTransition(animationRunner,
@@ -465,7 +485,7 @@
     }
 
     private RemoteAnimationAdapter getLegacyRemoteAdapter(int firstTaskId, int secondTaskId,
-            Consumer<Boolean> callback) {
+            @Nullable Consumer<Boolean> callback) {
         final RemoteSplitLaunchAnimationRunner animationRunner =
                 new RemoteSplitLaunchAnimationRunner(firstTaskId, secondTaskId, callback);
         return new RemoteAnimationAdapter(animationRunner, 300, 150,
@@ -514,7 +534,7 @@
         private final Consumer<Boolean> mSuccessCallback;
 
         RemoteSplitLaunchTransitionRunner(int initialTaskId, int secondTaskId,
-                Consumer<Boolean> callback) {
+                @Nullable Consumer<Boolean> callback) {
             mInitialTaskId = initialTaskId;
             mSecondTaskId = secondTaskId;
             mSuccessCallback = callback;
@@ -563,7 +583,7 @@
         private final Consumer<Boolean> mSuccessCallback;
 
         RemoteSplitLaunchAnimationRunner(int initialTaskId, int secondTaskId,
-                Consumer<Boolean> successCallback) {
+                @Nullable Consumer<Boolean> successCallback) {
             mInitialTaskId = initialTaskId;
             mSecondTaskId = secondTaskId;
             mSuccessCallback = successCallback;
@@ -612,6 +632,7 @@
         mAnimateCurrentTaskDismissal = false;
         mDismissingFromSplitPair = false;
         mFirstFloatingTaskView = null;
+        mSplitInstructionsView = null;
     }
 
     /**
@@ -642,11 +663,20 @@
         mFirstFloatingTaskView = floatingTaskView;
     }
 
+    public void setSplitInstructionsView(SplitInstructionsView splitInstructionsView) {
+        mSplitInstructionsView = splitInstructionsView;
+    }
+
     @Nullable
     public FloatingTaskView getFirstFloatingTaskView() {
         return mFirstFloatingTaskView;
     }
 
+    @Nullable
+    public SplitInstructionsView getSplitInstructionsView() {
+        return mSplitInstructionsView;
+    }
+
     public AppPairsController getAppPairsController() {
         return mAppPairsController;
     }
diff --git a/quickstep/src/com/android/quickstep/views/DigitalWellBeingToast.java b/quickstep/src/com/android/quickstep/views/DigitalWellBeingToast.java
index 7bbe36a..e5a0e10 100644
--- a/quickstep/src/com/android/quickstep/views/DigitalWellBeingToast.java
+++ b/quickstep/src/com/android/quickstep/views/DigitalWellBeingToast.java
@@ -145,23 +145,29 @@
         mAppUsageLimitTimeMs = mAppRemainingTimeMs = -1;
         mTask = task;
         THREAD_POOL_EXECUTOR.execute(() -> {
-            final AppUsageLimit usageLimit = mLauncherApps.getAppUsageLimit(
-                    mTask.getTopComponent().getPackageName(),
-                    UserHandle.of(mTask.key.userId));
+                    AppUsageLimit usageLimit = null;
+                    try {
+                        usageLimit = mLauncherApps.getAppUsageLimit(
+                                mTask.getTopComponent().getPackageName(),
+                                UserHandle.of(mTask.key.userId));
+                    } catch (Exception e) {
+                        Log.e(TAG, "Error initializing digital well being toast", e);
+                    }
+                    final long appUsageLimitTimeMs =
+                            usageLimit != null ? usageLimit.getTotalUsageLimit() : -1;
+                    final long appRemainingTimeMs =
+                            usageLimit != null ? usageLimit.getUsageRemaining() : -1;
 
-            final long appUsageLimitTimeMs =
-                    usageLimit != null ? usageLimit.getTotalUsageLimit() : -1;
-            final long appRemainingTimeMs =
-                    usageLimit != null ? usageLimit.getUsageRemaining() : -1;
+                    mTaskView.post(() -> {
+                        if (appUsageLimitTimeMs < 0 || appRemainingTimeMs < 0) {
+                            setNoLimit();
+                        } else {
+                            setLimit(appUsageLimitTimeMs, appRemainingTimeMs);
+                        }
+                    });
 
-            mTaskView.post(() -> {
-                if (appUsageLimitTimeMs < 0 || appRemainingTimeMs < 0) {
-                    setNoLimit();
-                } else {
-                    setLimit(appUsageLimitTimeMs, appRemainingTimeMs);
                 }
-            });
-        });
+        );
     }
 
     public void setSplitConfiguration(SplitBounds splitBounds) {
diff --git a/quickstep/src/com/android/quickstep/views/RecentsView.java b/quickstep/src/com/android/quickstep/views/RecentsView.java
index 4da979e..4b8741d 100644
--- a/quickstep/src/com/android/quickstep/views/RecentsView.java
+++ b/quickstep/src/com/android/quickstep/views/RecentsView.java
@@ -683,8 +683,6 @@
     private final Toast mSplitUnsupportedToast = Toast.makeText(getContext(),
             R.string.toast_split_app_unsupported, Toast.LENGTH_SHORT);
 
-    private SplitInstructionsView mSplitInstructionsView;
-
     @Nullable
     private SplitSelectSource mSplitSelectSource;
 
@@ -3252,19 +3250,21 @@
         firstFloatingTaskView.setOnClickListener(this::animateToFullscreen);
 
         // SplitInstructionsView: animate in
-        safeRemoveDragLayerView(mSplitInstructionsView);
-        mSplitInstructionsView = SplitInstructionsView.getSplitInstructionsView(mActivity);
-        mSplitInstructionsView.setAlpha(0);
-        anim.setViewAlpha(mSplitInstructionsView, 1, clampToProgress(LINEAR,
+        safeRemoveDragLayerView(mSplitSelectStateController.getSplitInstructionsView());
+        SplitInstructionsView splitInstructionsView =
+                SplitInstructionsView.getSplitInstructionsView(mActivity);
+        splitInstructionsView.setAlpha(0);
+        anim.setViewAlpha(splitInstructionsView, 1, clampToProgress(LINEAR,
                 timings.getInstructionsContainerFadeInStartOffset(),
                 timings.getInstructionsContainerFadeInEndOffset()));
-        anim.setViewAlpha(mSplitInstructionsView.getTextView(), 1, clampToProgress(LINEAR,
+        anim.setViewAlpha(splitInstructionsView.getTextView(), 1, clampToProgress(LINEAR,
                 timings.getInstructionsTextFadeInStartOffset(),
                 timings.getInstructionsTextFadeInEndOffset()));
-        anim.addFloat(mSplitInstructionsView, mSplitInstructionsView.UNFOLD, 0.1f, 1,
+        anim.addFloat(splitInstructionsView, splitInstructionsView.UNFOLD, 0.1f, 1,
                 clampToProgress(EMPHASIZED_DECELERATE,
                         timings.getInstructionsUnfoldStartOffset(),
                         timings.getInstructionsUnfoldEndOffset()));
+        mSplitSelectStateController.setSplitInstructionsView(splitInstructionsView);
 
         InteractionJankMonitorWrapper.begin(this,
                 InteractionJankMonitorWrapper.CUJ_SPLIT_SCREEN_ENTER, "First tile selected");
@@ -4781,9 +4781,9 @@
         mSecondFloatingTaskView.addConfirmAnimation(pendingAnimation, secondTaskStartingBounds,
                 secondTaskEndingBounds, true /* fadeWithThumbnail */, false /* isStagedTask */);
 
-        pendingAnimation.setViewAlpha(mSplitInstructionsView, 0, clampToProgress(LINEAR,
-                timings.getInstructionsFadeStartOffset(),
-                timings.getInstructionsFadeEndOffset()));
+        pendingAnimation.setViewAlpha(mSplitSelectStateController.getSplitInstructionsView(), 0,
+                clampToProgress(LINEAR, timings.getInstructionsFadeStartOffset(),
+                        timings.getInstructionsFadeEndOffset()));
 
         pendingAnimation.addEndListener(aBoolean -> {
             mSplitSelectStateController.launchSplitTasks(
@@ -4819,9 +4819,8 @@
                 FeatureFlags.ENABLE_SPLIT_FROM_WORKSPACE_TO_WORKSPACE.get()) {
             safeRemoveDragLayerView(mSplitSelectStateController.getFirstFloatingTaskView());
             safeRemoveDragLayerView(mSecondFloatingTaskView);
-            safeRemoveDragLayerView(mSplitInstructionsView);
+            safeRemoveDragLayerView(mSplitSelectStateController.getSplitInstructionsView());
             mSecondFloatingTaskView = null;
-            mSplitInstructionsView = null;
             mSplitSelectSource = null;
             mSplitSelectStateController.getSplitAnimationController()
                     .removeSplitInstructionsView(mActivity);
@@ -4921,8 +4920,8 @@
         taskViewsFloat.first.set(this, getSplitSelectTranslation());
         taskViewsFloat.second.set(this, 0f);
 
-        if (mSplitInstructionsView != null) {
-            mSplitInstructionsView.ensureProperRotation();
+        if (mSplitSelectStateController.getSplitInstructionsView() != null) {
+            mSplitSelectStateController.getSplitInstructionsView().ensureProperRotation();
         }
     }
 
@@ -6034,7 +6033,7 @@
 
     @Nullable
     public SplitInstructionsView getSplitInstructionsView() {
-        return mSplitInstructionsView;
+        return mSplitSelectStateController.getSplitInstructionsView();
     }
 
     /** Update the current activity locus id to show the enabled state of Overview */
diff --git a/quickstep/tests/src/com/android/quickstep/util/SplitSelectStateControllerTest.kt b/quickstep/tests/src/com/android/quickstep/util/SplitSelectStateControllerTest.kt
index 65542cf..69109c2 100644
--- a/quickstep/tests/src/com/android/quickstep/util/SplitSelectStateControllerTest.kt
+++ b/quickstep/tests/src/com/android/quickstep/util/SplitSelectStateControllerTest.kt
@@ -37,6 +37,7 @@
 import com.android.quickstep.RecentsModel
 import com.android.quickstep.SystemUiProxy
 import com.android.systemui.shared.recents.model.Task
+import java.util.function.Consumer
 import org.junit.Assert.assertEquals
 import org.junit.Assert.assertFalse
 import org.junit.Assert.assertNull
@@ -48,7 +49,6 @@
 import org.mockito.Mockito.verify
 import org.mockito.Mockito.`when`
 import org.mockito.MockitoAnnotations
-import java.util.function.Consumer
 
 @RunWith(AndroidJUnit4::class)
 class SplitSelectStateControllerTest {
@@ -67,6 +67,9 @@
     private val primaryUserHandle = UserHandle(ActivityManager.RunningTaskInfo().userId)
     private val nonPrimaryUserHandle = UserHandle(ActivityManager.RunningTaskInfo().userId + 10)
 
+    private var taskIdCounter = 0
+    private fun getUniqueId(): Int { return ++taskIdCounter }
+
     @Before
     fun setup() {
         MockitoAnnotations.initMocks(this)
@@ -100,15 +103,15 @@
         tasks.add(groupTask2)
 
         // Assertions happen in the callback we get from what we pass into
-        // #findLastActiveTaskAndRunCallback
+        // #findLastActiveTasksAndRunCallback
         val taskConsumer =
-            Consumer<Task> { assertNull("No tasks should have matched", it /*task*/) }
+            Consumer<List<Task>> { assertNull("No tasks should have matched", it[0] /*task*/) }
 
         // Capture callback from recentsModel#getTasks()
         val consumer =
             withArgCaptor<Consumer<ArrayList<GroupTask>>> {
-                splitSelectStateController.findLastActiveTaskAndRunCallback(
-                    nonMatchingComponent,
+                splitSelectStateController.findLastActiveTasksAndRunCallback(
+                    listOf(nonMatchingComponent),
                     taskConsumer
                 )
                 verify(recentsModel).getTasks(capture())
@@ -139,27 +142,27 @@
         tasks.add(groupTask2)
 
         // Assertions happen in the callback we get from what we pass into
-        // #findLastActiveTaskAndRunCallback
+        // #findLastActiveTasksAndRunCallback
         val taskConsumer =
-            Consumer<Task> {
+            Consumer<List<Task>> {
                 assertEquals(
                     "ComponentName package mismatched",
-                    it.key.baseIntent.component.packageName,
+                    it[0].key.baseIntent.component?.packageName,
                     matchingPackage
                 )
                 assertEquals(
                     "ComponentName class mismatched",
-                    it.key.baseIntent.component.className,
+                    it[0].key.baseIntent.component?.className,
                     matchingClass
                 )
-                assertEquals(it, groupTask1.task1)
+                assertEquals(it[0], groupTask1.task1)
             }
 
         // Capture callback from recentsModel#getTasks()
         val consumer =
             withArgCaptor<Consumer<ArrayList<GroupTask>>> {
-                splitSelectStateController.findLastActiveTaskAndRunCallback(
-                    matchingComponent,
+                splitSelectStateController.findLastActiveTasksAndRunCallback(
+                    listOf(matchingComponent),
                     taskConsumer
                 )
                 verify(recentsModel).getTasks(capture())
@@ -190,15 +193,15 @@
         tasks.add(groupTask2)
 
         // Assertions happen in the callback we get from what we pass into
-        // #findLastActiveTaskAndRunCallback
+        // #findLastActiveTasksAndRunCallback
         val taskConsumer =
-            Consumer<Task> { assertNull("No tasks should have matched", it /*task*/) }
+            Consumer<List<Task>> { assertNull("No tasks should have matched", it[0] /*task*/) }
 
         // Capture callback from recentsModel#getTasks()
         val consumer =
             withArgCaptor<Consumer<ArrayList<GroupTask>>> {
-                splitSelectStateController.findLastActiveTaskAndRunCallback(
-                    nonPrimaryUserComponent,
+                splitSelectStateController.findLastActiveTasksAndRunCallback(
+                    listOf(nonPrimaryUserComponent),
                     taskConsumer
                 )
                 verify(recentsModel).getTasks(capture())
@@ -231,28 +234,28 @@
         tasks.add(groupTask2)
 
         // Assertions happen in the callback we get from what we pass into
-        // #findLastActiveTaskAndRunCallback
+        // #findLastActiveTasksAndRunCallback
         val taskConsumer =
-            Consumer<Task> {
+            Consumer<List<Task>> {
                 assertEquals(
                     "ComponentName package mismatched",
-                    it.key.baseIntent.component.packageName,
+                    it[0].key.baseIntent.component?.packageName,
                     matchingPackage
                 )
                 assertEquals(
                     "ComponentName class mismatched",
-                    it.key.baseIntent.component.className,
+                    it[0].key.baseIntent.component?.className,
                     matchingClass
                 )
-                assertEquals("userId mismatched", it.key.userId, nonPrimaryUserHandle.identifier)
-                assertEquals(it, groupTask1.task1)
+                assertEquals("userId mismatched", it[0].key.userId, nonPrimaryUserHandle.identifier)
+                assertEquals(it[0], groupTask1.task1)
             }
 
         // Capture callback from recentsModel#getTasks()
         val consumer =
             withArgCaptor<Consumer<ArrayList<GroupTask>>> {
-                splitSelectStateController.findLastActiveTaskAndRunCallback(
-                    nonPrimaryUserComponent,
+                splitSelectStateController.findLastActiveTasksAndRunCallback(
+                    listOf(nonPrimaryUserComponent),
                     taskConsumer
                 )
                 verify(recentsModel).getTasks(capture())
@@ -283,27 +286,200 @@
         tasks.add(groupTask1)
 
         // Assertions happen in the callback we get from what we pass into
-        // #findLastActiveTaskAndRunCallback
+        // #findLastActiveTasksAndRunCallback
         val taskConsumer =
-            Consumer<Task> {
+            Consumer<List<Task>> {
                 assertEquals(
                     "ComponentName package mismatched",
-                    it.key.baseIntent.component.packageName,
+                    it[0].key.baseIntent.component?.packageName,
                     matchingPackage
                 )
                 assertEquals(
                     "ComponentName class mismatched",
-                    it.key.baseIntent.component.className,
+                    it[0].key.baseIntent.component?.className,
                     matchingClass
                 )
-                assertEquals(it, groupTask2.task2)
+                assertEquals(it[0], groupTask1.task1)
             }
 
         // Capture callback from recentsModel#getTasks()
         val consumer =
             withArgCaptor<Consumer<ArrayList<GroupTask>>> {
-                splitSelectStateController.findLastActiveTaskAndRunCallback(
-                    matchingComponent,
+                splitSelectStateController.findLastActiveTasksAndRunCallback(
+                    listOf(matchingComponent),
+                    taskConsumer
+                )
+                verify(recentsModel).getTasks(capture())
+            }
+
+        // Send our mocked tasks
+        consumer.accept(tasks)
+    }
+
+    @Test
+    fun activeTasks_multipleSearchShouldFindTask() {
+        val nonMatchingComponent = ComponentKey(ComponentName("no", "match"), primaryUserHandle)
+        val matchingPackage = "hotdog"
+        val matchingClass = "juice"
+        val matchingComponent =
+            ComponentKey(ComponentName(matchingPackage, matchingClass), primaryUserHandle)
+
+        val groupTask1 =
+            generateGroupTask(
+                ComponentName("hotdog", "pie"),
+                ComponentName("pumpkin", "pie")
+            )
+        val groupTask2 =
+            generateGroupTask(
+                ComponentName("pomegranate", "juice"),
+                ComponentName(matchingPackage, matchingClass)
+            )
+        val tasks: ArrayList<GroupTask> = ArrayList()
+        tasks.add(groupTask2)
+        tasks.add(groupTask1)
+
+        // Assertions happen in the callback we get from what we pass into
+        // #findLastActiveTasksAndRunCallback
+        val taskConsumer =
+            Consumer<List<Task>> {
+                assertEquals("Expected array length 2", 2, it.size)
+                assertNull("No tasks should have matched", it[0] /*task*/)
+                assertEquals(
+                    "ComponentName package mismatched",
+                    it[1].key.baseIntent.component?.packageName,
+                    matchingPackage
+                )
+                assertEquals(
+                    "ComponentName class mismatched",
+                    it[1].key.baseIntent.component?.className,
+                    matchingClass
+                )
+                assertEquals(it[1], groupTask2.task2)
+            }
+
+        // Capture callback from recentsModel#getTasks()
+        val consumer =
+            withArgCaptor<Consumer<ArrayList<GroupTask>>> {
+                splitSelectStateController.findLastActiveTasksAndRunCallback(
+                    listOf(nonMatchingComponent, matchingComponent),
+                    taskConsumer
+                )
+                verify(recentsModel).getTasks(capture())
+            }
+
+        // Send our mocked tasks
+        consumer.accept(tasks)
+    }
+
+    @Test
+    fun activeTasks_multipleSearchShouldNotFindSameTaskTwice() {
+        val matchingPackage = "hotdog"
+        val matchingClass = "juice"
+        val matchingComponent =
+            ComponentKey(ComponentName(matchingPackage, matchingClass), primaryUserHandle)
+
+        val groupTask1 =
+            generateGroupTask(
+                ComponentName("hotdog", "pie"),
+                ComponentName("pumpkin", "pie")
+            )
+        val groupTask2 =
+            generateGroupTask(
+                ComponentName("pomegranate", "juice"),
+                ComponentName(matchingPackage, matchingClass)
+            )
+        val tasks: ArrayList<GroupTask> = ArrayList()
+        tasks.add(groupTask2)
+        tasks.add(groupTask1)
+
+        // Assertions happen in the callback we get from what we pass into
+        // #findLastActiveTasksAndRunCallback
+        val taskConsumer =
+            Consumer<List<Task>> {
+                assertEquals("Expected array length 2", 2, it.size)
+                assertEquals(
+                    "ComponentName package mismatched",
+                    it[0].key.baseIntent.component?.packageName,
+                    matchingPackage
+                )
+                assertEquals(
+                    "ComponentName class mismatched",
+                    it[0].key.baseIntent.component?.className,
+                    matchingClass
+                )
+                assertEquals(it[0], groupTask2.task2)
+                assertNull("No tasks should have matched", it[1] /*task*/)
+            }
+
+        // Capture callback from recentsModel#getTasks()
+        val consumer =
+            withArgCaptor<Consumer<ArrayList<GroupTask>>> {
+                splitSelectStateController.findLastActiveTasksAndRunCallback(
+                    listOf(matchingComponent, matchingComponent),
+                    taskConsumer
+                )
+                verify(recentsModel).getTasks(capture())
+            }
+
+        // Send our mocked tasks
+        consumer.accept(tasks)
+    }
+
+    @Test
+    fun activeTasks_multipleSearchShouldFindDifferentInstancesOfSameTask() {
+        val matchingPackage = "hotdog"
+        val matchingClass = "juice"
+        val matchingComponent =
+            ComponentKey(ComponentName(matchingPackage, matchingClass), primaryUserHandle)
+
+        val groupTask1 =
+            generateGroupTask(
+                ComponentName(matchingPackage, matchingClass),
+                ComponentName("pumpkin", "pie")
+            )
+        val groupTask2 =
+            generateGroupTask(
+                ComponentName("pomegranate", "juice"),
+                ComponentName(matchingPackage, matchingClass)
+            )
+        val tasks: ArrayList<GroupTask> = ArrayList()
+        tasks.add(groupTask2)
+        tasks.add(groupTask1)
+
+        // Assertions happen in the callback we get from what we pass into
+        // #findLastActiveTasksAndRunCallback
+        val taskConsumer =
+            Consumer<List<Task>> {
+                assertEquals("Expected array length 2", 2, it.size)
+                assertEquals(
+                    "ComponentName package mismatched",
+                    it[0].key.baseIntent.component?.packageName,
+                    matchingPackage
+                )
+                assertEquals(
+                    "ComponentName class mismatched",
+                    it[0].key.baseIntent.component?.className,
+                    matchingClass
+                )
+                assertEquals(it[0], groupTask1.task1)
+                assertEquals(
+                    "ComponentName package mismatched",
+                    it[1].key.baseIntent.component?.packageName,
+                    matchingPackage
+                )
+                assertEquals(
+                    "ComponentName class mismatched",
+                    it[1].key.baseIntent.component?.className,
+                    matchingClass
+                )
+                assertEquals(it[1], groupTask2.task2)
+            }
+
+        // Capture callback from recentsModel#getTasks()
+        val consumer =
+            withArgCaptor<Consumer<ArrayList<GroupTask>>> {
+                splitSelectStateController.findLastActiveTasksAndRunCallback(
+                    listOf(matchingComponent, matchingComponent),
                     taskConsumer
                 )
                 verify(recentsModel).getTasks(capture())
@@ -366,6 +542,7 @@
     ): GroupTask {
         val task1 = Task()
         var taskInfo = ActivityManager.RunningTaskInfo()
+        taskInfo.taskId = getUniqueId()
         var intent = Intent()
         intent.component = task1ComponentName
         taskInfo.baseIntent = intent
@@ -373,6 +550,7 @@
 
         val task2 = Task()
         taskInfo = ActivityManager.RunningTaskInfo()
+        taskInfo.taskId = getUniqueId()
         intent = Intent()
         intent.component = task2ComponentName
         taskInfo.baseIntent = intent
@@ -393,6 +571,7 @@
     ): GroupTask {
         val task1 = Task()
         var taskInfo = ActivityManager.RunningTaskInfo()
+        taskInfo.taskId = getUniqueId()
         // Apply custom userHandle1
         taskInfo.userId = userHandle1.identifier
         var intent = Intent()
@@ -401,6 +580,7 @@
         task1.key = Task.TaskKey(taskInfo)
         val task2 = Task()
         taskInfo = ActivityManager.RunningTaskInfo()
+        taskInfo.taskId = getUniqueId()
         // Apply custom userHandle2
         taskInfo.userId = userHandle2.identifier
         intent = Intent()
diff --git a/res/layout/app_pair_icon.xml b/res/layout/app_pair_icon.xml
new file mode 100644
index 0000000..2b9a98b
--- /dev/null
+++ b/res/layout/app_pair_icon.xml
@@ -0,0 +1,30 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2023 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.
+-->
+
+<com.android.launcher3.apppairs.AppPairIcon
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:orientation="vertical"
+    android:focusable="true" >
+    <com.android.launcher3.views.DoubleShadowBubbleTextView
+        style="@style/BaseIcon.Workspace"
+        android:id="@+id/app_pair_icon_name"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:focusable="false"
+        android:layout_gravity="top" />
+</com.android.launcher3.apppairs.AppPairIcon>
diff --git a/src/com/android/launcher3/Launcher.java b/src/com/android/launcher3/Launcher.java
index 6df9aab..c737074 100644
--- a/src/com/android/launcher3/Launcher.java
+++ b/src/com/android/launcher3/Launcher.java
@@ -145,6 +145,7 @@
 import com.android.launcher3.allapps.BaseSearchConfig;
 import com.android.launcher3.allapps.DiscoveryBounce;
 import com.android.launcher3.anim.PropertyListBuilder;
+import com.android.launcher3.apppairs.AppPairIcon;
 import com.android.launcher3.celllayout.CellPosMapper;
 import com.android.launcher3.celllayout.CellPosMapper.CellPos;
 import com.android.launcher3.celllayout.CellPosMapper.TwoPanelCellPosMapper;
@@ -725,18 +726,23 @@
 
     @Override
     protected void onHandleConfigurationChanged() {
-        if (!initDeviceProfile(mDeviceProfile.inv)) {
-            return;
+        Trace.beginSection("Launcher#onHandleconfigurationChanged");
+        try {
+            if (!initDeviceProfile(mDeviceProfile.inv)) {
+                return;
+            }
+
+            dispatchDeviceProfileChanged();
+            reapplyUi();
+            mDragLayer.recreateControllers();
+
+            // Calling onSaveInstanceState ensures that static cache used by listWidgets is
+            // initialized properly.
+            onSaveInstanceState(new Bundle());
+            mModel.rebindCallbacks();
+        } finally {
+            Trace.endSection();
         }
-
-        dispatchDeviceProfileChanged();
-        reapplyUi();
-        mDragLayer.recreateControllers();
-
-        // Calling onSaveInstanceState ensures that static cache used by listWidgets is
-        // initialized properly.
-        onSaveInstanceState(new Bundle());
-        mModel.rebindCallbacks();
     }
 
     public void onAssistantVisibilityChanged(float visibility) {
@@ -2446,9 +2452,9 @@
                     break;
                 }
                 case LauncherSettings.Favorites.ITEM_TYPE_APP_PAIR: {
-                    FolderInfo info = (FolderInfo) item;
-                    // TODO (jeremysim b/274189428): Create app pair icon
-                    view = null;
+                    view = AppPairIcon.inflateIcon(R.layout.app_pair_icon, this,
+                            (ViewGroup) workspace.getChildAt(workspace.getCurrentPage()),
+                            (FolderInfo) item);
                     break;
                 }
                 case LauncherSettings.Favorites.ITEM_TYPE_APPWIDGET:
@@ -3390,4 +3396,12 @@
     public View.OnLongClickListener getAllAppsItemLongClickListener() {
         return ItemLongClickListener.INSTANCE_ALL_APPS;
     }
+
+    /**
+     * Handles an app pair launch; overridden in
+     * {@link com.android.launcher3.uioverrides.QuickstepLauncher}
+     */
+    public void launchAppPair(WorkspaceItemInfo app1, WorkspaceItemInfo app2) {
+        // Overridden
+    }
 }
diff --git a/src/com/android/launcher3/ShortcutAndWidgetContainer.java b/src/com/android/launcher3/ShortcutAndWidgetContainer.java
index f921d1d..07b71b3 100644
--- a/src/com/android/launcher3/ShortcutAndWidgetContainer.java
+++ b/src/com/android/launcher3/ShortcutAndWidgetContainer.java
@@ -28,6 +28,7 @@
 import android.graphics.Point;
 import android.graphics.PointF;
 import android.graphics.Rect;
+import android.os.Trace;
 import android.view.MotionEvent;
 import android.view.View;
 import android.view.ViewGroup;
@@ -182,6 +183,7 @@
 
     @Override
     protected void onLayout(boolean changed, int l, int t, int r, int b) {
+        Trace.beginSection("ShortcutAndWidgetConteiner#onLayout");
         int count = getChildCount();
         for (int i = 0; i < count; i++) {
             final View child = getChildAt(i);
@@ -189,6 +191,7 @@
                 layoutChild(child);
             }
         }
+        Trace.endSection();
     }
 
     /**
diff --git a/src/com/android/launcher3/apppairs/AppPairIcon.java b/src/com/android/launcher3/apppairs/AppPairIcon.java
new file mode 100644
index 0000000..1dc4ad2
--- /dev/null
+++ b/src/com/android/launcher3/apppairs/AppPairIcon.java
@@ -0,0 +1,102 @@
+/*
+ * Copyright (C) 2023 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.apppairs;
+
+import android.content.Context;
+import android.graphics.Rect;
+import android.util.AttributeSet;
+import android.view.LayoutInflater;
+import android.view.ViewGroup;
+import android.widget.FrameLayout;
+
+import androidx.annotation.Nullable;
+
+import com.android.launcher3.BubbleTextView;
+import com.android.launcher3.R;
+import com.android.launcher3.dragndrop.DraggableView;
+import com.android.launcher3.model.data.FolderInfo;
+import com.android.launcher3.model.data.WorkspaceItemInfo;
+import com.android.launcher3.views.ActivityContext;
+
+import java.util.Collections;
+import java.util.Comparator;
+
+/**
+ * A {@link android.widget.FrameLayout} used to represent an app pair icon on the workspace.
+ */
+public class AppPairIcon extends FrameLayout implements DraggableView {
+
+    private ActivityContext mActivity;
+    private BubbleTextView mAppPairName;
+    private FolderInfo mInfo;
+
+    public AppPairIcon(Context context, AttributeSet attrs) {
+        super(context, attrs);
+    }
+
+    public AppPairIcon(Context context) {
+        super(context);
+    }
+
+    /**
+     * Builds an AppPairIcon to be added to the Launcher
+     */
+    public static AppPairIcon inflateIcon(int resId, ActivityContext activity,
+            @Nullable ViewGroup group, FolderInfo appPairInfo) {
+
+        LayoutInflater inflater = (group != null)
+                ? LayoutInflater.from(group.getContext())
+                : activity.getLayoutInflater();
+        AppPairIcon icon = (AppPairIcon) inflater.inflate(resId, group, false);
+
+        // Sort contents, so that left-hand app comes first
+        Collections.sort(appPairInfo.contents, Comparator.comparingInt(a -> a.rank));
+
+        icon.setClipToPadding(false);
+        icon.mAppPairName = icon.findViewById(R.id.app_pair_icon_name);
+
+        // TODO (jeremysim b/274189428): Replace this placeholder icon
+        WorkspaceItemInfo placeholder = new WorkspaceItemInfo();
+        placeholder.newIcon(icon.getContext());
+        icon.mAppPairName.applyFromWorkspaceItem(placeholder);
+
+        icon.mAppPairName.setText(appPairInfo.title);
+
+        icon.setTag(appPairInfo);
+        icon.setOnClickListener(activity.getItemOnClickListener());
+        icon.mInfo = appPairInfo;
+        icon.mActivity = activity;
+
+        icon.setAccessibilityDelegate(activity.getAccessibilityDelegate());
+
+        return icon;
+    }
+
+    @Override
+    public int getViewType() {
+        return DRAGGABLE_ICON;
+    }
+
+    @Override
+    public void getWorkspaceVisualDragBounds(Rect bounds) {
+        mAppPairName.getIconBounds(bounds);
+    }
+
+    public FolderInfo getInfo() {
+        return mInfo;
+    }
+}
diff --git a/src/com/android/launcher3/config/FeatureFlags.java b/src/com/android/launcher3/config/FeatureFlags.java
index 1f68e11..273d505 100644
--- a/src/com/android/launcher3/config/FeatureFlags.java
+++ b/src/com/android/launcher3/config/FeatureFlags.java
@@ -277,6 +277,10 @@
             "ENABLE_BACK_SWIPE_HOME_ANIMATION", ENABLED,
             "Enables home animation to icon when user swipes back.");
 
+    public static final BooleanFlag ENABLE_DYNAMIC_TASKBAR_THRESHOLDS = getDebugFlag(294252473,
+            "ENABLE_DYNAMIC_TASKBAR_THRESHOLDS", TEAMFOOD,
+            "Enables taskbar thresholds that scale based on screen size.");
+
     // TODO(Block 21): Clean up flags
     public static final BooleanFlag ENABLE_APP_ICON_FOR_INLINE_SHORTCUTS = getDebugFlag(270395087,
             "ENABLE_APP_ICON_IN_INLINE_SHORTCUTS", DISABLED, "Show app icon for inline shortcut");
@@ -359,7 +363,7 @@
 
     // TODO(Block 28): Clean up flags
     public static final BooleanFlag ENABLE_SPLIT_FROM_FULLSCREEN_WITH_KEYBOARD_SHORTCUTS =
-            getDebugFlag(270394122, "ENABLE_SPLIT_FROM_FULLSCREEN_SHORTCUT", DISABLED,
+            getDebugFlag(270394122, "ENABLE_SPLIT_FROM_FULLSCREEN_SHORTCUT", TEAMFOOD,
                     "Enable splitting from fullscreen app with keyboard shortcuts");
 
     public static final BooleanFlag ENABLE_SPLIT_FROM_WORKSPACE_TO_WORKSPACE = getDebugFlag(
diff --git a/src/com/android/launcher3/graphics/LauncherPreviewRenderer.java b/src/com/android/launcher3/graphics/LauncherPreviewRenderer.java
index 7241b17..68106c4 100644
--- a/src/com/android/launcher3/graphics/LauncherPreviewRenderer.java
+++ b/src/com/android/launcher3/graphics/LauncherPreviewRenderer.java
@@ -51,6 +51,7 @@
 import android.view.ViewGroup;
 import android.view.WindowInsets;
 import android.view.WindowManager;
+import android.widget.FrameLayout;
 import android.widget.TextClock;
 
 import androidx.annotation.NonNull;
@@ -70,6 +71,7 @@
 import com.android.launcher3.Utilities;
 import com.android.launcher3.Workspace;
 import com.android.launcher3.WorkspaceLayoutManager;
+import com.android.launcher3.apppairs.AppPairIcon;
 import com.android.launcher3.celllayout.CellLayoutLayoutParams;
 import com.android.launcher3.celllayout.CellPosMapper;
 import com.android.launcher3.config.FeatureFlags;
@@ -358,12 +360,13 @@
         addInScreenFromBind(icon, info);
     }
 
-    private void inflateAndAddFolder(FolderInfo info) {
+    private void inflateAndAddCollectionIcon(FolderInfo info) {
         CellLayout screen = info.container == Favorites.CONTAINER_DESKTOP
                 ? mWorkspaceScreens.get(info.screenId)
                 : mHotseat;
-        FolderIcon folderIcon = FolderIcon.inflateIcon(R.layout.folder_icon, this, screen,
-                info);
+        FrameLayout folderIcon = info.itemType == Favorites.ITEM_TYPE_FOLDER
+                ? FolderIcon.inflateIcon(R.layout.folder_icon, this, screen, info)
+                : AppPairIcon.inflateIcon(R.layout.app_pair_icon, this, screen, info);
         addInScreenFromBind(folderIcon, info);
     }
 
@@ -467,7 +470,8 @@
                     inflateAndAddIcon((WorkspaceItemInfo) itemInfo);
                     break;
                 case Favorites.ITEM_TYPE_FOLDER:
-                    inflateAndAddFolder((FolderInfo) itemInfo);
+                case Favorites.ITEM_TYPE_APP_PAIR:
+                    inflateAndAddCollectionIcon((FolderInfo) itemInfo);
                     break;
                 default:
                     break;
diff --git a/src/com/android/launcher3/logging/StatsLogManager.java b/src/com/android/launcher3/logging/StatsLogManager.java
index 2a7cd9a..8bb06c1 100644
--- a/src/com/android/launcher3/logging/StatsLogManager.java
+++ b/src/com/android/launcher3/logging/StatsLogManager.java
@@ -641,11 +641,17 @@
         @UiEvent(doc = "User has swiped upwards from the gesture handle to show transient taskbar.")
         LAUNCHER_TRANSIENT_TASKBAR_SHOW(1331),
 
+        @UiEvent(doc = "User has clicked an app pair and launched directly into split screen.")
+        LAUNCHER_APP_PAIR_LAUNCH(1374),
+
+        @UiEvent(doc = "User saved an app pair.")
+        LAUNCHER_APP_PAIR_SAVE(1456),
+
         @UiEvent(doc = "App launched through pending intent")
-        LAUNCHER_APP_LAUNCH_PENDING_INTENT(1394),
-        ;
+        LAUNCHER_APP_LAUNCH_PENDING_INTENT(1394)
 
         // ADD MORE
+        ;
 
         private final int mId;
 
diff --git a/src/com/android/launcher3/model/BaseLauncherBinder.java b/src/com/android/launcher3/model/BaseLauncherBinder.java
index 556ac26..dbb29b8 100644
--- a/src/com/android/launcher3/model/BaseLauncherBinder.java
+++ b/src/com/android/launcher3/model/BaseLauncherBinder.java
@@ -21,6 +21,7 @@
 import static com.android.launcher3.util.Executors.MODEL_EXECUTOR;
 
 import android.os.Process;
+import android.os.Trace;
 import android.util.Log;
 
 import com.android.launcher3.InvariantDeviceProfile;
@@ -83,13 +84,18 @@
      * Binds all loaded data to actual views on the main thread.
      */
     public void bindWorkspace(boolean incrementBindId, boolean isBindSync) {
-        if (FeatureFlags.ENABLE_WORKSPACE_LOADING_OPTIMIZATION.get()) {
-            DisjointWorkspaceBinder workspaceBinder =
+        Trace.beginSection("BaseLauncherBinder#bindWorkspace");
+        try {
+            if (FeatureFlags.ENABLE_WORKSPACE_LOADING_OPTIMIZATION.get()) {
+                DisjointWorkspaceBinder workspaceBinder =
                     initWorkspaceBinder(incrementBindId, mBgDataModel.collectWorkspaceScreens());
-            workspaceBinder.bindCurrentWorkspacePages(isBindSync);
-            workspaceBinder.bindOtherWorkspacePages();
-        } else {
-            bindWorkspaceAllAtOnce(incrementBindId, isBindSync);
+                workspaceBinder.bindCurrentWorkspacePages(isBindSync);
+                workspaceBinder.bindOtherWorkspacePages();
+            } else {
+                bindWorkspaceAllAtOnce(incrementBindId, isBindSync);
+            }
+        } finally {
+            Trace.endSection();
         }
     }
 
diff --git a/src/com/android/launcher3/model/LoaderTask.java b/src/com/android/launcher3/model/LoaderTask.java
index 787ac38..933468c 100644
--- a/src/com/android/launcher3/model/LoaderTask.java
+++ b/src/com/android/launcher3/model/LoaderTask.java
@@ -690,9 +690,11 @@
                     break;
 
                 case Favorites.ITEM_TYPE_FOLDER:
+                case Favorites.ITEM_TYPE_APP_PAIR:
                     FolderInfo folderInfo = mBgDataModel.findOrMakeFolder(c.id);
                     c.applyCommonProperties(folderInfo);
 
+                    folderInfo.itemType = c.itemType;
                     // Do not trim the folder label, as is was set by the user.
                     folderInfo.title = c.getString(c.mTitleIndex);
                     folderInfo.spanX = 1;
diff --git a/src/com/android/launcher3/model/ModelWriter.java b/src/com/android/launcher3/model/ModelWriter.java
index a6b4d59..2358a9f 100644
--- a/src/com/android/launcher3/model/ModelWriter.java
+++ b/src/com/android/launcher3/model/ModelWriter.java
@@ -489,6 +489,7 @@
                         case Favorites.ITEM_TYPE_APPLICATION:
                         case Favorites.ITEM_TYPE_DEEP_SHORTCUT:
                         case Favorites.ITEM_TYPE_FOLDER:
+                        case Favorites.ITEM_TYPE_APP_PAIR:
                             if (!mBgDataModel.workspaceItems.contains(modelItem)) {
                                 mBgDataModel.workspaceItems.add(modelItem);
                             }
diff --git a/src/com/android/launcher3/model/data/FolderInfo.java b/src/com/android/launcher3/model/data/FolderInfo.java
index e5a0eb1..9bf6d43 100644
--- a/src/com/android/launcher3/model/data/FolderInfo.java
+++ b/src/com/android/launcher3/model/data/FolderInfo.java
@@ -119,8 +119,8 @@
     public static FolderInfo createAppPair(WorkspaceItemInfo app1, WorkspaceItemInfo app2) {
         FolderInfo newAppPair = new FolderInfo();
         newAppPair.itemType = LauncherSettings.Favorites.ITEM_TYPE_APP_PAIR;
-        newAppPair.contents.add(app1);
-        newAppPair.contents.add(app2);
+        newAppPair.add(app1, /* animate */ false);
+        newAppPair.add(app2, /* animate */ false);
         return newAppPair;
     }
 
diff --git a/src/com/android/launcher3/testing/TestInformationHandler.java b/src/com/android/launcher3/testing/TestInformationHandler.java
index b054f51..438a4a0 100644
--- a/src/com/android/launcher3/testing/TestInformationHandler.java
+++ b/src/com/android/launcher3/testing/TestInformationHandler.java
@@ -202,10 +202,11 @@
             }
 
             case TestProtocol.REQUEST_WORKSPACE_COLUMNS_ROWS: {
+                InvariantDeviceProfile idp = InvariantDeviceProfile.INSTANCE.get(mContext);
                 return getLauncherUIProperty(Bundle::putParcelable, launcher -> new Point(
-                        InvariantDeviceProfile.INSTANCE.get(mContext).numColumns,
-                        InvariantDeviceProfile.INSTANCE.get(mContext).numRows)
-                );
+                        idp.getDeviceProfile(mContext).getPanelCount() * idp.numColumns,
+                        idp.numRows
+                ));
             }
 
             case TestProtocol.REQUEST_WORKSPACE_CURRENT_PAGE_INDEX: {
diff --git a/src/com/android/launcher3/touch/ItemClickHandler.java b/src/com/android/launcher3/touch/ItemClickHandler.java
index 790c226..8c12547 100644
--- a/src/com/android/launcher3/touch/ItemClickHandler.java
+++ b/src/com/android/launcher3/touch/ItemClickHandler.java
@@ -42,6 +42,7 @@
 import com.android.launcher3.LauncherSettings;
 import com.android.launcher3.R;
 import com.android.launcher3.Utilities;
+import com.android.launcher3.apppairs.AppPairIcon;
 import com.android.launcher3.folder.Folder;
 import com.android.launcher3.folder.FolderIcon;
 import com.android.launcher3.logging.InstanceId;
@@ -95,6 +96,8 @@
         } else if (tag instanceof FolderInfo) {
             if (v instanceof FolderIcon) {
                 onClickFolderIcon(v);
+            } else if (v instanceof AppPairIcon) {
+                onClickAppPairIcon(v);
             }
         } else if (tag instanceof AppInfo) {
             startAppShortcutOrInfoActivity(v, (AppInfo) tag, launcher);
@@ -123,6 +126,17 @@
     }
 
     /**
+     * Event handler for an app pair icon click.
+     *
+     * @param v The view that was clicked. Must be an instance of {@link AppPairIcon}.
+     */
+    private static void onClickAppPairIcon(View v) {
+        Launcher launcher = Launcher.getLauncher(v.getContext());
+        FolderInfo folderInfo = ((AppPairIcon) v).getInfo();
+        launcher.launchAppPair(folderInfo.contents.get(0), folderInfo.contents.get(1));
+    }
+
+    /**
      * Event handler for the app widget view which has not fully restored.
      */
     private static void onClickPendingWidget(PendingAppWidgetHostView v, Launcher launcher) {
diff --git a/tests/assets/ReorderWidgets/multiple_cell_layouts_no_space_reorder b/tests/assets/ReorderWidgets/multiple_cell_layouts_no_space_reorder
new file mode 100644
index 0000000..c6d65f8
--- /dev/null
+++ b/tests/assets/ReorderWidgets/multiple_cell_layouts_no_space_reorder
@@ -0,0 +1,56 @@
+###################################################################################################
+# This file contains test case composed of the following tags:
+#     * # (coments): Lines starting with this character would be ignored.
+#     * arguments: is set of words separated by spaces that can later be parsed
+#     * board: represent a workspace, the first line is the dimensions of the board width x height (wxh)
+# There are different characters on the board that represent different things:
+#     * x: The x character represents spaces that would be ignored, for example it can be used in
+#          the first row if we don't know how wide the smartspace is.
+#     * i: Represents an icon on the workspace, none in particular just an icon
+#     * [a-z]: Represents a widget and it can be any number or character
+#          except any other already in use. The whole continuos are of the same character is the
+#          area of the widget.
+#     * [A-Z]: Represents a folder and number of icons in the folder is represented by the order of
+#          letter in the alphabet, A=2, B=3, C=4 ... etc.
+# Test are parsed by CellLayoutTestCaseReader.java and boards are parsed by CellLayoutBoard.java
+###################################################################################################
+# 5x5 Test
+board: 5x5
+xxxxx|aeeee
+--mm-|acccc
+--mm-|acccc
+ggggg|acccc
+ggggg|adddd
+arguments: 7 1
+board: 10x5
+xxxxx|aeeee
+---mm|acccc
+---mm|acccc
+ggggg|acccc
+ggggg|adddd
+# 4x4 Test
+board: 4x4
+xxxx|aeee
+--mm|accc
+--mm|accc
+gggg|accc
+arguments: 5 1
+board: 8x4
+xxxx|aeee
+--mm|accc
+--mm|accc
+gggg|accc
+# 6x5 Test
+board: 6x5
+xxxxxx|aeeeee
+--mm--|accccc
+--mm--|accccc
+gggggg|accccc
+gggggg|addddd
+arguments: 8 1
+board: 12x5
+xxxxxx|aeeeee
+----mm|accccc
+----mm|accccc
+gggggg|accccc
+gggggg|addddd
diff --git a/tests/assets/ReorderWidgets/multiple_cell_layouts_reorder_other_side b/tests/assets/ReorderWidgets/multiple_cell_layouts_reorder_other_side
new file mode 100644
index 0000000..376638e
--- /dev/null
+++ b/tests/assets/ReorderWidgets/multiple_cell_layouts_reorder_other_side
@@ -0,0 +1,56 @@
+###################################################################################################
+# This file contains test case composed of the following tags:
+#     * # (coments): Lines starting with this character would be ignored.
+#     * arguments: is set of words separated by spaces that can later be parsed
+#     * board: represent a workspace, the first line is the dimensions of the board width x height (wxh)
+# There are different characters on the board that represent different things:
+#     * x: The x character represents spaces that would be ignored, for example it can be used in
+#          the first row if we don't know how wide the smartspace is.
+#     * i: Represents an icon on the workspace, none in particular just an icon
+#     * [a-z]: Represents a widget and it can be any number or character
+#          except any other already in use. The whole continuos are of the same character is the
+#          area of the widget.
+#     * [A-Z]: Represents a folder and number of icons in the folder is represented by the order of
+#          letter in the alphabet, A=2, B=3, C=4 ... etc.
+# Test are parsed by CellLayoutTestCaseReader.java and boards are parsed by CellLayoutBoard.java
+###################################################################################################
+# 5x5 Test
+board: 5x5
+xxxxx|aaaaa
+--mm-|plllh
+--mm-|piiih
+ggggg|piiih
+ggggg|fffff
+arguments: 7 1
+board: 10x5
+xxxxx|aaaaa
+--lll|p-mmh
+---ii|pimmh
+ggggg|piiih
+ggggg|fffff
+# 4x4 Test
+board: 4x4
+xxxx|aaaa
+--mm|pllh
+--mm|piih
+gggg|ffff
+arguments: 5 1
+board: 8x4
+xxxx|aaaa
+--ll|pmmh
+--ii|pmmh
+gggg|ffff
+# 6x5 Test
+board: 6x5
+xxxxxx|aaaaaa
+--mmm-|pllllh
+--mmm-|piiiih
+--mmm-|piiiih
+gggggg|ffffff
+arguments: 8 1
+board: 12x5
+xxxxxx|aaaaaa
+--llll|p-mmmh
+---iii|pimmmh
+---iii|pimmmh
+gggggg|ffffff
\ No newline at end of file
diff --git a/tests/assets/ReorderWidgets/multiple_cell_layouts_simple_reorder b/tests/assets/ReorderWidgets/multiple_cell_layouts_simple_reorder
new file mode 100644
index 0000000..44301d2
--- /dev/null
+++ b/tests/assets/ReorderWidgets/multiple_cell_layouts_simple_reorder
@@ -0,0 +1,56 @@
+###################################################################################################
+# This file contains test case composed of the following tags:
+#     * # (coments): Lines starting with this character would be ignored.
+#     * arguments: is set of words separated by spaces that can later be parsed
+#     * board: represent a workspace, the first line is the dimensions of the board width x height (wxh)
+# There are different characters on the board that represent different things:
+#     * x: The x character represents spaces that would be ignored, for example it can be used in
+#          the first row if we don't know how wide the smartspace is.
+#     * i: Represents an icon on the workspace, none in particular just an icon
+#     * [a-z]: Represents a widget and it can be any number or character
+#          except any other already in use. The whole continuos are of the same character is the
+#          area of the widget.
+#     * [A-Z]: Represents a folder and number of icons in the folder is represented by the order of
+#          letter in the alphabet, A=2, B=3, C=4 ... etc.
+# Test are parsed by CellLayoutTestCaseReader.java and boards are parsed by CellLayoutBoard.java
+###################################################################################################
+# 5x5 Test
+board: 5x5
+xxxxx|-----
+--mm-|-----
+--mm-|-----
+-----|-----
+-----|-----
+arguments: 8 3
+board: 10x5
+xxxxx|-----
+-----|-----
+-----|-----
+-----|---mm
+-----|---mm
+# 4x4 Test
+board: 4x4
+xxxx|----
+--mm|----
+--mm|----
+----|----
+arguments: 5 3
+board: 8x4
+xxxx|----
+----|----
+----|-mm-
+----|-mm-
+# 6x5 Test
+board: 6x5
+xxxxxx|------
+--m---|------
+------|------
+------|------
+------|------
+arguments: 10 4
+board: 12x5
+xxxxxx|------
+------|------
+------|------
+------|------
+------|----m-
\ No newline at end of file
diff --git a/tests/src/com/android/launcher3/celllayout/CellLayoutBoard.java b/tests/src/com/android/launcher3/celllayout/CellLayoutBoard.java
index 28899d9..ff667e6 100644
--- a/tests/src/com/android/launcher3/celllayout/CellLayoutBoard.java
+++ b/tests/src/com/android/launcher3/celllayout/CellLayoutBoard.java
@@ -141,9 +141,14 @@
             return this.mType == CellType.IGNORE;
         }
 
+        boolean contains(int x, int y) {
+            return mBounds.contains(x, y);
+        }
+
         @Override
         public String toString() {
-            return "WidgetRect type = " + mType + " bounds = " + mBounds.toString();
+            return "WidgetRect type = " + mType + " x = " + getCellX() + " | y " + getCellY()
+                    + " xs = " + getSpanX() + " ys = " + getSpanY();
         }
     }
 
@@ -227,6 +232,17 @@
         }
     }
 
+    public boolean pointInsideRect(int x, int y, WidgetRect rect) {
+        Boolean isXInRect = x >= rect.getCellX() && x < rect.getCellX() + rect.getSpanX();
+        Boolean isYInRect = y >= rect.getCellY() && y < rect.getCellY() + rect.getSpanY();
+        return isXInRect && isYInRect;
+    }
+
+    public WidgetRect getWidgetAt(int x, int y) {
+        return mWidgetsRects.stream()
+                .filter(widgetRect -> pointInsideRect(x, y, widgetRect)).findFirst().orElse(null);
+    }
+
     public List<WidgetRect> getWidgets() {
         return mWidgetsRects;
     }
@@ -443,6 +459,17 @@
         return null;
     }
 
+    public static WidgetRect getWidgetIn(List<CellLayoutBoard> boards, int x, int y) {
+        for (CellLayoutBoard board : boards) {
+            WidgetRect main = board.getWidgetAt(x, y);
+            if (main != null) {
+                return main;
+            }
+            x -= board.mWidth;
+        }
+        return null;
+    }
+
     public static CellLayoutBoard boardFromString(String boardStr) {
         String[] lines = boardStr.split("\n");
         CellLayoutBoard board = new CellLayoutBoard();
diff --git a/tests/src/com/android/launcher3/celllayout/CellLayoutTestUtils.java b/tests/src/com/android/launcher3/celllayout/CellLayoutTestUtils.java
index 0d2f252..b6c55af 100644
--- a/tests/src/com/android/launcher3/celllayout/CellLayoutTestUtils.java
+++ b/tests/src/com/android/launcher3/celllayout/CellLayoutTestUtils.java
@@ -42,8 +42,8 @@
                         params.getCellX(), params.getCellY(),
                         launcher.getWorkspace().getIdForScreen(cellLayout), CONTAINER_DESKTOP);
                 int screenId = pos.screenId;
-                if (screenId >= boards.size() - 1) {
-                    boards.add(new CellLayoutBoard());
+                if (screenId > boards.size() - 1) {
+                    boards.add(new CellLayoutBoard(cellLayout.getCountX(), cellLayout.getCountY()));
                 }
                 CellLayoutBoard board = boards.get(screenId);
                 // is icon
@@ -51,7 +51,7 @@
                     board.addIcon(pos.cellX, pos.cellY);
                 } else {
                     // is widget
-                    board.addWidget(params.getCellX(), params.getCellY(), params.cellHSpan,
+                    board.addWidget(pos.cellX, pos.cellY, params.cellHSpan,
                             params.cellVSpan);
                 }
             }
diff --git a/tests/src/com/android/launcher3/celllayout/MultipleCellLayoutsSimpleReorder.java b/tests/src/com/android/launcher3/celllayout/MultipleCellLayoutsSimpleReorder.java
deleted file mode 100644
index 706c1a7..0000000
--- a/tests/src/com/android/launcher3/celllayout/MultipleCellLayoutsSimpleReorder.java
+++ /dev/null
@@ -1,90 +0,0 @@
-/*
- * Copyright (C) 2022 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package com.android.launcher3.celllayout.testcases;
-
-import android.graphics.Point;
-
-import com.android.launcher3.celllayout.ReorderTestCase;
-
-import java.util.Map;
-
-/**
- * The grids represent the workspace to be build by TestWorkspaceBuilder, to see what each character
- * in the board mean refer to {@code CellType}
- */
-public class MultipleCellLayoutsSimpleReorder {
-
-    /** 5x5 Test
-     **/
-    private static final String START_BOARD_STR_5x5 = ""
-            + "xxxxx|-----\n"
-            + "--mm-|-----\n"
-            + "--mm-|-----\n"
-            + "-----|-----\n"
-            + "-----|-----";
-    private static final Point MOVE_TO_5x5 = new Point(8, 3);
-    private static final String END_BOARD_STR_5x5 = ""
-            + "xxxxx|-----\n"
-            + "-----|-----\n"
-            + "-----|-----\n"
-            + "-----|---mm\n"
-            + "-----|---mm";
-    private static final ReorderTestCase TEST_CASE_5x5 = new ReorderTestCase(START_BOARD_STR_5x5,
-            MOVE_TO_5x5,
-            END_BOARD_STR_5x5);
-
-    /** 4x4 Test
-     **/
-    private static final String START_BOARD_STR_4x4 = ""
-            + "xxxx|----\n"
-            + "--mm|----\n"
-            + "--mm|----\n"
-            + "----|----";
-    private static final Point MOVE_TO_4x4 = new Point(5, 3);
-    private static final String END_BOARD_STR_4x4 = ""
-            + "xxxx|----\n"
-            + "----|----\n"
-            + "----|-mm-\n"
-            + "----|-mm-";
-    private static final ReorderTestCase TEST_CASE_4x4 = new ReorderTestCase(START_BOARD_STR_4x4,
-            MOVE_TO_4x4,
-            END_BOARD_STR_4x4);
-
-
-    /** 6x5 Test
-     **/
-    private static final String START_BOARD_STR_6x5 = ""
-            + "xxxxxx|------\n"
-            + "--m---|------\n"
-            + "------|------\n"
-            + "------|------\n"
-            + "------|------";
-    private static final Point MOVE_TO_6x5 = new Point(10, 4);
-    private static final String END_BOARD_STR_6x5 = ""
-            + "xxxxxx|------\n"
-            + "------|------\n"
-            + "------|------\n"
-            + "------|------\n"
-            + "------|----m-";
-    private static final ReorderTestCase TEST_CASE_6x5 = new ReorderTestCase(START_BOARD_STR_6x5,
-            MOVE_TO_6x5,
-            END_BOARD_STR_6x5);
-
-    public static final Map<Point, ReorderTestCase> TEST_BY_GRID_SIZE =
-            Map.of(new Point(5, 5), TEST_CASE_5x5,
-                    new Point(4, 4), TEST_CASE_4x4,
-                    new Point(6, 5), TEST_CASE_6x5);
-}
diff --git a/tests/src/com/android/launcher3/celllayout/ReorderWidgets.java b/tests/src/com/android/launcher3/celllayout/ReorderWidgets.java
index 7ec78bb..00d7ce6 100644
--- a/tests/src/com/android/launcher3/celllayout/ReorderWidgets.java
+++ b/tests/src/com/android/launcher3/celllayout/ReorderWidgets.java
@@ -18,20 +18,24 @@
 import static org.junit.Assert.assertNotNull;
 import static org.junit.Assert.assertTrue;
 
+import android.content.ContentResolver;
+import android.content.ContentValues;
 import android.graphics.Point;
+import android.net.Uri;
 import android.util.Log;
 
 import androidx.test.ext.junit.runners.AndroidJUnit4;
 import androidx.test.filters.SmallTest;
 
 import com.android.launcher3.InvariantDeviceProfile;
-import com.android.launcher3.celllayout.testcases.MultipleCellLayoutsSimpleReorder;
+import com.android.launcher3.MultipageCellLayout;
 import com.android.launcher3.tapl.Widget;
 import com.android.launcher3.tapl.WidgetResizeFrame;
 import com.android.launcher3.ui.AbstractLauncherUiTest;
 import com.android.launcher3.ui.TaplTestsLauncher3;
 import com.android.launcher3.util.rule.ShellCommandRule;
 
+import org.junit.Assert;
 import org.junit.Assume;
 import org.junit.Before;
 import org.junit.Rule;
@@ -44,7 +48,6 @@
 import java.util.Iterator;
 import java.util.List;
 import java.util.Map;
-import java.util.concurrent.ExecutionException;
 
 @SmallTest
 @RunWith(AndroidJUnit4.class)
@@ -55,6 +58,8 @@
 
     private static final String TAG = ReorderWidgets.class.getSimpleName();
 
+    private static final List<String> FOLDABLE_GRIDS = List.of("normal", "practical", "reasonable");
+
     TestWorkspaceBuilder mWorkspaceBuilder;
 
     @Before
@@ -101,8 +106,48 @@
         return getFromLauncher(CellLayoutTestUtils::workspaceToBoards);
     }
 
-    private void runTestCase(ReorderTestCase testCase)
-            throws ExecutionException, InterruptedException {
+    private CellLayoutBoard.WidgetRect getWidgetClosestTo(Point point) {
+        ArrayList<CellLayoutBoard> workspaceBoards = workspaceToBoards();
+        int maxDistance = 9999;
+        CellLayoutBoard.WidgetRect bestRect = null;
+        for (int i = 0; i < workspaceBoards.get(0).getWidgets().size(); i++) {
+            CellLayoutBoard.WidgetRect widget = workspaceBoards.get(0).getWidgets().get(i);
+            if (widget.getCellX() == 0 && widget.getCellY() == 0) {
+                continue;
+            }
+            int distance = Math.abs(point.x - widget.getCellX())
+                    + Math.abs(point.y - widget.getCellY());
+            if (distance == 0) {
+                break;
+            }
+            if (distance < maxDistance) {
+                maxDistance = distance;
+                bestRect = widget;
+            }
+        }
+        return bestRect;
+    }
+
+    /**
+     * This function might be odd, its function is to select a widget and leave it in its place.
+     * The idea is to make the test broader and also test after a widgets resized because the
+     * underlying code does different things in that case
+     */
+    private void triggerWidgetResize(ReorderTestCase testCase) {
+        CellLayoutBoard.WidgetRect widgetRect = getWidgetClosestTo(testCase.moveMainTo);
+        if (widgetRect == null) {
+            // Some test doesn't have a widget in the final position, in those cases we will ignore
+            // them
+            return;
+        }
+        Widget widget = mLauncher.getWorkspace().getWidgetAtCell(widgetRect.getCellX(),
+                widgetRect.getCellY());
+        WidgetResizeFrame resizeFrame = widget.dragWidgetToWorkspace(widgetRect.getCellX(),
+                widgetRect.getCellY(), widgetRect.getSpanX(), widgetRect.getSpanY());
+        resizeFrame.dismiss();
+    }
+
+    private void runTestCase(ReorderTestCase testCase) {
         CellLayoutBoard.WidgetRect mainWidgetCellPos = CellLayoutBoard.getMainFromList(
                 testCase.mStart);
 
@@ -115,6 +160,9 @@
         // waitForLauncherCondition to wait for that condition, otherwise the condition would
         // always be true and it wouldn't wait for the changes to be applied.
         waitForLauncherCondition("Workspace didn't finish loading", l -> !l.isWorkspaceLoading());
+
+        triggerWidgetResize(testCase);
+
         Widget widget = mLauncher.getWorkspace().getWidgetAtCell(mainWidgetCellPos.getCellX(),
                 mainWidgetCellPos.getCellY());
         assertNotNull(widget);
@@ -136,41 +184,91 @@
      *
      * @param testCaseMap map containing all the tests per grid size (Point)
      */
-    private void runTestCaseMap(Map<Point, ReorderTestCase> testCaseMap, String testName)
-            throws ExecutionException, InterruptedException {
+    private boolean runTestCaseMap(Map<Point, ReorderTestCase> testCaseMap, String testName) {
         Point iconGridDimensions = mLauncher.getWorkspace().getIconGridDimensions();
         Log.d(TAG, "Running test " + testName + " for grid " + iconGridDimensions);
-        Assume.assumeTrue(
-                "The test " + testName + " doesn't support " + iconGridDimensions + " grid layout",
-                testCaseMap.containsKey(iconGridDimensions));
+        if (!testCaseMap.containsKey(iconGridDimensions)) {
+            Log.d(TAG, "The test " + testName + " doesn't support " + iconGridDimensions
+                    + " grid layout");
+            return false;
+        }
         runTestCase(testCaseMap.get(iconGridDimensions));
+
+        return true;
+    }
+
+    private void runTestCaseMapForAllGrids(Map<Point, ReorderTestCase> testCaseMap,
+            String testName) {
+        boolean runAtLeastOnce = false;
+        for (String grid : FOLDABLE_GRIDS) {
+            applyGridOption(grid);
+            mLauncher.waitForLauncherInitialized();
+            runAtLeastOnce |= runTestCaseMap(testCaseMap, testName);
+        }
+        Assume.assumeTrue("None of the grids are supported", runAtLeastOnce);
+    }
+
+    private void applyGridOption(Object argValue) {
+        String testProviderAuthority = mTargetContext.getPackageName() + ".grid_control";
+        Uri gridUri = new Uri.Builder()
+                .scheme(ContentResolver.SCHEME_CONTENT)
+                .authority(testProviderAuthority)
+                .appendPath("default_grid")
+                .build();
+        ContentValues values = new ContentValues();
+        values.putObject("name", argValue);
+        Assert.assertEquals(1,
+                mTargetContext.getContentResolver().update(gridUri, values, null, null));
     }
 
     @Test
     public void simpleReorder() throws Exception {
-        runTestCaseMap(getTestMap("ReorderWidgets/simple_reorder_case"), "push_reorder_case");
+        runTestCaseMap(getTestMap("ReorderWidgets/simple_reorder_case"),
+                "push_reorder_case");
     }
 
     @Test
     public void pushTest() throws Exception {
-        runTestCaseMap(getTestMap("ReorderWidgets/push_reorder_case"), "push_reorder_case");
+        runTestCaseMap(getTestMap("ReorderWidgets/push_reorder_case"),
+                "push_reorder_case");
     }
 
     @Test
     public void fullReorder() throws Exception {
-        runTestCaseMap(getTestMap("ReorderWidgets/full_reorder_case"), "full_reorder_case");
+        runTestCaseMap(getTestMap("ReorderWidgets/full_reorder_case"),
+                "full_reorder_case");
     }
 
     @Test
     public void moveOutReorder() throws Exception {
-        runTestCaseMap(getTestMap("ReorderWidgets/move_out_reorder_case"), "move_out_reorder_case");
+        runTestCaseMap(getTestMap("ReorderWidgets/move_out_reorder_case"),
+                "move_out_reorder_case");
     }
 
     @Test
-    public void multipleCellLayoutsSimpleReorder() throws ExecutionException, InterruptedException {
-        Assume.assumeTrue("Test doesn't support foldables", !mLauncher.isTwoPanels());
-        runTestCaseMap(MultipleCellLayoutsSimpleReorder.TEST_BY_GRID_SIZE,
-                MultipleCellLayoutsSimpleReorder.class.getSimpleName());
+    public void multipleCellLayoutsSimpleReorder() throws Exception {
+        Assume.assumeTrue("Test doesn't support foldables", getFromLauncher(
+                l -> l.getWorkspace().getScreenWithId(0) instanceof MultipageCellLayout));
+        runTestCaseMapForAllGrids(getTestMap("ReorderWidgets/multiple_cell_layouts_simple_reorder"),
+                "multiple_cell_layouts_simple_reorder");
+    }
+
+    @Test
+    public void multipleCellLayoutsNoSpaceReorder() throws Exception {
+        Assume.assumeTrue("Test doesn't support foldables", getFromLauncher(
+                l -> l.getWorkspace().getScreenWithId(0) instanceof MultipageCellLayout));
+        runTestCaseMapForAllGrids(
+                getTestMap("ReorderWidgets/multiple_cell_layouts_no_space_reorder"),
+                "multiple_cell_layouts_no_space_reorder");
+    }
+
+    @Test
+    public void multipleCellLayoutsReorderToOtherSide() throws Exception {
+        Assume.assumeTrue("Test doesn't support foldables", getFromLauncher(
+                l -> l.getWorkspace().getScreenWithId(0) instanceof MultipageCellLayout));
+        runTestCaseMapForAllGrids(
+                getTestMap("ReorderWidgets/multiple_cell_layouts_reorder_other_side"),
+                "multiple_cell_layouts_reorder_other_side");
     }
 
     private void addTestCase(Iterator<CellLayoutTestCaseReader.TestSection> sections,
@@ -183,7 +281,7 @@
                 ((CellLayoutTestCaseReader.Board) sections.next());
         Point moveTo = new Point(Integer.parseInt(point.arguments[0]),
                 Integer.parseInt(point.arguments[1]));
-        testCaseMap.put(startBoard.gridSize,
+        testCaseMap.put(endBoard.gridSize,
                 new ReorderTestCase(startBoard.board, moveTo, endBoard.board));
     }