diff --git a/go/quickstep/res/drawable/ic_listen.xml b/go/quickstep/res/drawable/ic_listen.xml
index a226e49..16bb597 100644
--- a/go/quickstep/res/drawable/ic_listen.xml
+++ b/go/quickstep/res/drawable/ic_listen.xml
@@ -19,6 +19,6 @@
         android:viewportHeight="24"
         android:tint="?attr/colorControlNormal">
   <path
-      android:fillColor="@color/overview_button"
+      android:fillColor="@android:color/white"
       android:pathData="M15.08,7.05c0.84,1.18 0.84,2.71 0,3.89l1.68,1.69c2.02,-2.02 2.02,-5.07 0,-7.27l-1.68,1.69zM20.07,2l-1.63,1.63c2.77,3.02 2.77,7.56 0,10.74L20.07,16c3.9,-3.89 3.91,-9.95 0,-14zM9,13c2.21,0 4,-1.79 4,-4s-1.79,-4 -4,-4 -4,1.79 -4,4 1.79,4 4,4zM9,7c1.1,0 2,0.9 2,2s-0.9,2 -2,2 -2,-0.9 -2,-2 0.9,-2 2,-2zM9,14c-2.67,0 -8,1.34 -8,4v3h16v-3c0,-2.66 -5.33,-4 -8,-4zM15,19L3,19v-0.99C3.2,17.29 6.3,16 9,16s5.8,1.29 6,2v1z"/>
 </vector>
diff --git a/go/quickstep/res/drawable/ic_search.xml b/go/quickstep/res/drawable/ic_search.xml
index 33297cf..ce290d9 100644
--- a/go/quickstep/res/drawable/ic_search.xml
+++ b/go/quickstep/res/drawable/ic_search.xml
@@ -19,18 +19,18 @@
         android:viewportHeight="24"
         android:tint="?attr/colorControlNormal">
   <path
-      android:fillColor="@color/overview_button"
+      android:fillColor="@android:color/white"
       android:pathData="M16,3h-2v2h2c1.65,0 3,1.35 3,3v2h2V8C21,5.24 18.76,3 16,3z"/>
   <path
-      android:fillColor="@color/overview_button"
+      android:fillColor="@android:color/white"
       android:pathData="M5,16v-2H3v2c0,2.76 2.24,5 5,5h2v-2H8C6.35,19 5,17.65 5,16z"/>
   <path
-      android:fillColor="@color/overview_button"
+      android:fillColor="@android:color/white"
       android:pathData="M12,8.5c-1.93,0 -3.5,1.57 -3.5,3.5s1.57,3.5 3.5,3.5s3.5,-1.57 3.5,-3.5S13.93,8.5 12,8.5z"/>
   <path
-      android:fillColor="@color/overview_button"
+      android:fillColor="@android:color/white"
       android:pathData="M18,18m-2,0a2,2 0,1 1,4 0a2,2 0,1 1,-4 0"/>
   <path
-      android:fillColor="@color/overview_button"
+      android:fillColor="@android:color/white"
       android:pathData="M5,8c0,-1.65 1.35,-3 3,-3h2V3H8C5.24,3 3,5.24 3,8v2h2V8z"/>
 </vector>
diff --git a/go/quickstep/res/drawable/ic_translate.xml b/go/quickstep/res/drawable/ic_translate.xml
index 26e9ced..e3df56f 100644
--- a/go/quickstep/res/drawable/ic_translate.xml
+++ b/go/quickstep/res/drawable/ic_translate.xml
@@ -19,6 +19,6 @@
         android:viewportHeight="24"
         android:tint="?attr/colorControlNormal">
   <path
-      android:fillColor="@color/overview_button"
+      android:fillColor="@android:color/white"
       android:pathData="M12.87,15.07l-2.54,-2.51 0.03,-0.03c1.74,-1.94 2.98,-4.17 3.71,-6.53L17,6L17,4h-7L10,2L8,2v2L1,4v1.99h11.17C11.5,7.92 10.44,9.75 9,11.35 8.07,10.32 7.3,9.19 6.69,8h-2c0.73,1.63 1.73,3.17 2.98,4.56l-5.09,5.02L4,19l5,-5 3.11,3.11 0.76,-2.04zM18.5,10h-2L12,22h2l1.12,-3h4.75L21,22h2l-4.5,-12zM15.88,17l1.62,-4.33L19.12,17h-3.24z"/>
 </vector>
diff --git a/go/quickstep/res/layout/overview_actions_container.xml b/go/quickstep/res/layout/overview_actions_container.xml
index 20bd937..48650aa 100644
--- a/go/quickstep/res/layout/overview_actions_container.xml
+++ b/go/quickstep/res/layout/overview_actions_container.xml
@@ -23,8 +23,8 @@
     <LinearLayout
         android:id="@+id/action_buttons"
         android:layout_width="match_parent"
-        android:layout_height="wrap_content"
-        android:layout_gravity="bottom|center_horizontal"
+        android:layout_height="@dimen/overview_actions_height"
+        android:layout_gravity="top|center_horizontal"
         android:orientation="horizontal">
 
         <Space
@@ -104,11 +104,13 @@
         </LinearLayout>
 
         <!-- Unused. Included only for compatibility with parent class. -->
-        <ImageButton
+        <Button
             android:id="@+id/action_split"
             style="@style/GoOverviewActionButton"
-            android:src="@drawable/ic_split_vertical"
-            android:contentDescription="@string/action_split"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:drawableStart="@drawable/ic_split_vertical"
+            android:text="@string/action_split"
             android:theme="@style/ThemeControlHighlightWorkspaceColor"
             android:visibility="gone" />
 
diff --git a/go/quickstep/res/values/dimens.xml b/go/quickstep/res/values/dimens.xml
index dda4c26..84d7fe5 100644
--- a/go/quickstep/res/values/dimens.xml
+++ b/go/quickstep/res/values/dimens.xml
@@ -24,7 +24,7 @@
     <dimen name="go_overview_button_container_width">80dp</dimen>
     <dimen name="go_overview_button_container_margin">16dp</dimen>
     <dimen name="go_overview_button_caption_margin">8dp</dimen>
-    <dimen name="overview_actions_size">96dp</dimen>
+    <dimen name="overview_actions_height">96dp</dimen>
     <dimen name="overview_proactive_row_height">0dp</dimen>
     <dimen name="overview_proactive_row_bottom_margin">24dp</dimen>
     <dimen name="task_corner_radius_override">28dp</dimen>
diff --git a/protos/launcher_atom.proto b/protos/launcher_atom.proto
index 63ea20c..f8b08f8 100644
--- a/protos/launcher_atom.proto
+++ b/protos/launcher_atom.proto
@@ -135,7 +135,7 @@
   }
 }
 
-// Next value 51
+// Next value 52
 enum Attribute {
   option allow_alias = true;
 
@@ -187,6 +187,7 @@
   ALL_APPS_SEARCH_RESULT_SYSTEM_POINTER = 42;
   ALL_APPS_SEARCH_RESULT_EDUCARD = 43;
   ALL_APPS_SEARCH_RESULT_LOCATION = 50;
+  ALL_APPS_SEARCH_RESULT_TEXT_HEADER = 51;
 
   // Result sources
   DATA_SOURCE_APPSEARCH_APP_PREVIEW = 45;
diff --git a/quickstep/res/drawable/ic_screenshot.xml b/quickstep/res/drawable/ic_screenshot.xml
index ea10661..9ee6c44 100644
--- a/quickstep/res/drawable/ic_screenshot.xml
+++ b/quickstep/res/drawable/ic_screenshot.xml
@@ -1,10 +1,32 @@
+<!-- Copyright (C) 2020 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.
+-->
 <vector xmlns:android="http://schemas.android.com/apk/res/android"
-    android:width="24dp"
-    android:height="24dp"
-    android:viewportWidth="24"
-    android:viewportHeight="24">
+    android:width="20dp"
+    android:height="20dp"
+    android:viewportWidth="20"
+    android:viewportHeight="20">
   <path
-      android:pathData="M5,4C5,2.343 6.343,1 8,1L16,1C17.657,1 19,2.343 19,4L19,20C19,21.657 17.657,23 16,23L8,23C6.343,23 5,21.657 5,20L5,4ZM8,3C7.448,3 7,3.448 7,4L7,20C7,20.552 7.448,21 8,21L16,21C16.552,21 17,20.552 17,20L17,4C17,3.448 16.552,3 16,3L8,3ZM8,4L8,8L9.5,8L9.5,5.5L12,5.5L12,4L8,4ZM16,16L16,20L12,20L12,18.5L14.5,18.5L14.5,16L16,16Z"
-      android:fillColor="@color/overview_button"
-      android:fillType="evenOdd"/>
-</vector>
+      android:pathData="M5.8334,1.666H8.3334V3.3327H5.8334V6.666H4.1667V3.3327C4.1667,2.4122 4.9129,1.666 5.8334,1.666Z"
+      android:fillColor="#000000"/>
+  <path
+      android:pathData="M4.1667,13.3327V16.666C4.1667,17.5865 4.9129,18.3327 5.8334,18.3327H8.3334V16.666H5.8334V13.3327H4.1667Z"
+      android:fillColor="#000000"/>
+  <path
+      android:pathData="M14.1667,13.3327V16.666H11.6667V18.3327H14.1667C15.0872,18.3327 15.8334,17.5865 15.8334,16.666V13.3327H14.1667Z"
+      android:fillColor="#000000"/>
+  <path
+      android:pathData="M15.8334,6.666V3.3327C15.8334,2.4122 15.0872,1.666 14.1667,1.666H11.6667V3.3327H14.1667V6.666H15.8334Z"
+      android:fillColor="#000000"/>
+</vector>
\ No newline at end of file
diff --git a/quickstep/res/layout/overview_actions_container.xml b/quickstep/res/layout/overview_actions_container.xml
index 2192a64..0fda0bf 100644
--- a/quickstep/res/layout/overview_actions_container.xml
+++ b/quickstep/res/layout/overview_actions_container.xml
@@ -22,7 +22,7 @@
     <LinearLayout
         android:id="@+id/action_buttons"
         android:layout_width="match_parent"
-        android:layout_height="@dimen/overview_actions_size"
+        android:layout_height="@dimen/overview_actions_height"
         android:layout_gravity="bottom|center_horizontal"
         android:orientation="horizontal">
 
@@ -31,14 +31,13 @@
             android:layout_height="1dp"
             android:layout_weight="1" />
 
-        <ImageButton
+        <Button
             android:id="@+id/action_screenshot"
             style="@style/OverviewActionButton"
-            android:layout_width="@dimen/overview_actions_size"
-            android:layout_height="@dimen/overview_actions_size"
-            android:gravity="center"
-            android:src="@drawable/ic_screenshot"
-            android:contentDescription="@string/action_screenshot"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:drawableStart="@drawable/ic_screenshot"
+            android:text="@string/action_screenshot"
             android:theme="@style/ThemeControlHighlightWorkspaceColor" />
 
         <Space
@@ -47,14 +46,12 @@
             android:layout_height="1dp"
             android:visibility="gone" />
 
-        <ImageButton
+        <Button
             android:id="@+id/action_split"
             style="@style/OverviewActionButton"
-            android:layout_width="@dimen/overview_actions_size"
-            android:layout_height="@dimen/overview_actions_size"
-            android:gravity="center"
-            android:src="@drawable/ic_split_vertical"
-            android:contentDescription="@string/action_split"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:text="@string/action_split"
             android:theme="@style/ThemeControlHighlightWorkspaceColor"
             android:visibility="gone" />
 
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 902e0c3..b024418 100644
--- a/quickstep/res/values/dimens.xml
+++ b/quickstep/res/values/dimens.xml
@@ -50,10 +50,8 @@
 
     <!-- Overrideable in overlay that provides the Overview Actions. -->
     <dimen name="overview_actions_top_margin">24dp</dimen>
-    <dimen name="overview_actions_size">60dp</dimen>
+    <dimen name="overview_actions_height">48dp</dimen>
     <dimen name="overview_actions_button_spacing">36dp</dimen>
-    <!-- 12dp + 156dp floating search pill width (note this is in addition to normal 36dp) -->
-    <dimen name="overview_actions_additional_floating_search_spacing">168dp</dimen>
 
     <!-- These speeds are in dp/s -->
     <dimen name="max_task_dismiss_drag_velocity">2.25dp</dimen>
@@ -330,6 +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/res/values/styles.xml b/quickstep/res/values/styles.xml
index 0c4e782..fc03704 100644
--- a/quickstep/res/values/styles.xml
+++ b/quickstep/res/values/styles.xml
@@ -221,10 +221,15 @@
         <item name="android:colorControlHighlight">?attr/workspaceTextColor</item>
     </style>
 
-    <style name="OverviewActionButton" parent="@android:style/Widget.DeviceDefault.ImageButton">
-        <item name="android:background">@drawable/circle_btn_bg</item>
-        <item name="android:backgroundTint">?androidprv:attr/materialColorSurfaceBright</item>
+    <style name="OverviewActionButton"
+        parent="@android:style/Widget.DeviceDefault.Button.Borderless">
+        <item name="android:paddingTop">4dp</item>
+        <item name="android:paddingBottom">4dp</item>
+        <item name="android:textColor">@color/overview_button</item>
         <item name="android:drawableTint">@color/overview_button</item>
+        <item name="android:tint">?android:attr/textColorPrimary</item>
+        <item name="android:drawablePadding">8dp</item>
+        <item name="android:textAllCaps">false</item>
     </style>
 
     <style name="OverviewClearAllButton" parent="@android:style/Widget.DeviceDefault.Button">
diff --git a/quickstep/src/com/android/launcher3/hybridhotseat/HotseatEduDialog.java b/quickstep/src/com/android/launcher3/hybridhotseat/HotseatEduDialog.java
index 5691ecf..db225be 100644
--- a/quickstep/src/com/android/launcher3/hybridhotseat/HotseatEduDialog.java
+++ b/quickstep/src/com/android/launcher3/hybridhotseat/HotseatEduDialog.java
@@ -158,11 +158,11 @@
     }
 
     private void animateOpen() {
-        if (mIsOpen || mOpenCloseAnimator.isRunning()) {
+        if (mIsOpen || mOpenCloseAnimation.getAnimationPlayer().isRunning()) {
             return;
         }
         mIsOpen = true;
-        setUpDefaultOpenAnimator().start();
+        setUpDefaultOpenAnimation().start();
     }
 
     @Override
diff --git a/quickstep/src/com/android/launcher3/taskbar/TaskbarActivityContext.java b/quickstep/src/com/android/launcher3/taskbar/TaskbarActivityContext.java
index f7f3bfd..9fe0c00 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;
 
 /**
@@ -334,6 +335,11 @@
         mControllers.taskbarStashController.showTaskbarFromBroadcast();
     }
 
+    /** Toggles Taskbar All Apps overlay. */
+    public void toggleAllApps() {
+        mControllers.taskbarAllAppsController.toggle();
+    }
+
     @Override
     public DeviceProfile getDeviceProfile() {
         return mDeviceProfile;
@@ -997,9 +1003,10 @@
         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..c423fb3 100644
--- a/quickstep/src/com/android/launcher3/taskbar/TaskbarManager.java
+++ b/quickstep/src/com/android/launcher3/taskbar/TaskbarManager.java
@@ -22,6 +22,7 @@
 
 import static com.android.launcher3.LauncherPrefs.TASKBAR_PINNING;
 import static com.android.launcher3.LauncherPrefs.TASKBAR_PINNING_KEY;
+import static com.android.launcher3.LauncherState.OVERVIEW;
 import static com.android.launcher3.util.DisplayController.TASKBAR_NOT_DESTROYED_TAG;
 import static com.android.launcher3.util.Executors.UI_HELPER_EXECUTOR;
 import static com.android.launcher3.util.FlagDebugUtils.formatFlagChange;
@@ -40,6 +41,7 @@
 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 +182,8 @@
 
             @Override
             public void onConfigurationChanged(Configuration newConfig) {
+                Trace.instantForTrack(Trace.TRACE_TAG_APP, "TaskbarManager",
+                        "onConfigurationChanged: " + newConfig);
                 debugWhyTaskbarNotDestroyed(
                         "TaskbarManager#mComponentCallbacks.onConfigurationChanged: " + newConfig);
                 DeviceProfile dp = mUserUnlocked
@@ -268,6 +272,25 @@
     }
 
     /**
+     * Toggles All Apps for Taskbar or Launcher depending on the current state.
+     *
+     * @param homeAllAppsIntent Intent used if Taskbar is not enabled or Launcher is resumed.
+     */
+    public void toggleAllApps(Intent homeAllAppsIntent) {
+        if (mTaskbarActivityContext == null) {
+            mContext.startActivity(homeAllAppsIntent);
+            return;
+        }
+
+        if (mActivity != null && mActivity.isResumed() && !mActivity.isInState(OVERVIEW)) {
+            mContext.startActivity(homeAllAppsIntent);
+            return;
+        }
+
+        mTaskbarActivityContext.toggleAllApps();
+    }
+
+    /**
      * Displays a frame of the first Launcher reveal animation.
      *
      * This should be used to run a first Launcher reveal animation whose progress matches a swipe
@@ -347,38 +370,44 @@
      */
     @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/TaskbarStashController.java b/quickstep/src/com/android/launcher3/taskbar/TaskbarStashController.java
index b5b453b..6cc54ca 100644
--- a/quickstep/src/com/android/launcher3/taskbar/TaskbarStashController.java
+++ b/quickstep/src/com/android/launcher3/taskbar/TaskbarStashController.java
@@ -676,7 +676,6 @@
                     hasAnyFlag(FLAG_STASHED_IN_APP_IME) ? 0 : 1).setDuration(duration));
             mAnimator.addListener(AnimatorListeners.forEndCallback(() -> {
                 mAnimator = null;
-                mIsStashed = isStashed;
             }));
             return;
         }
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/allapps/TaskbarAllAppsSlideInView.java b/quickstep/src/com/android/launcher3/taskbar/allapps/TaskbarAllAppsSlideInView.java
index 3fe7359..537d2c6 100644
--- a/quickstep/src/com/android/launcher3/taskbar/allapps/TaskbarAllAppsSlideInView.java
+++ b/quickstep/src/com/android/launcher3/taskbar/allapps/TaskbarAllAppsSlideInView.java
@@ -17,11 +17,13 @@
 
 import static com.android.app.animation.Interpolators.EMPHASIZED;
 
+import android.animation.Animator;
 import android.content.Context;
 import android.graphics.Canvas;
 import android.graphics.Rect;
 import android.util.AttributeSet;
 import android.view.MotionEvent;
+import android.view.View;
 import android.view.animation.Interpolator;
 import android.window.OnBackInvokedDispatcher;
 
@@ -29,6 +31,7 @@
 import com.android.launcher3.Insettable;
 import com.android.launcher3.R;
 import com.android.launcher3.anim.AnimatorListeners;
+import com.android.launcher3.anim.PendingAnimation;
 import com.android.launcher3.config.FeatureFlags;
 import com.android.launcher3.taskbar.allapps.TaskbarAllAppsViewController.TaskbarAllAppsCallbacks;
 import com.android.launcher3.taskbar.overlay.TaskbarOverlayContext;
@@ -58,22 +61,50 @@
 
     /** Opens the all apps view. */
     void show(boolean animate) {
-        if (mIsOpen || mOpenCloseAnimator.isRunning()) {
+        if (mIsOpen || mOpenCloseAnimation.getAnimationPlayer().isRunning()) {
             return;
         }
         mIsOpen = true;
         attachToContainer();
-        mAllAppsCallbacks.onAllAppsTransitionStart(true);
 
-        if (animate) {
-            setUpOpenCloseAnimator(TRANSLATION_SHIFT_OPENED, EMPHASIZED);
-            mOpenCloseAnimator.addListener(AnimatorListeners.forEndCallback(
-                    () -> mAllAppsCallbacks.onAllAppsTransitionEnd(true)));
-            mOpenCloseAnimator.setDuration(mAllAppsCallbacks.getOpenDuration()).start();
-        } else {
-            mTranslationShift = TRANSLATION_SHIFT_OPENED;
+        addOnAttachStateChangeListener(new OnAttachStateChangeListener() {
+            @Override
+            public void onViewAttachedToWindow(View v) {
+                removeOnAttachStateChangeListener(this);
+                // Wait for view and its descendants to be fully attached before starting open.
+                post(() -> showOnFullyAttachedToWindow(animate));
+            }
+
+            @Override
+            public void onViewDetachedFromWindow(View v) {
+                removeOnAttachStateChangeListener(this);
+            }
+        });
+    }
+
+    private void showOnFullyAttachedToWindow(boolean animate) {
+        mAllAppsCallbacks.onAllAppsTransitionStart(true);
+        if (!animate) {
             mAllAppsCallbacks.onAllAppsTransitionEnd(true);
+            mTranslationShift = TRANSLATION_SHIFT_OPENED;
+            return;
         }
+
+        setUpOpenAnimation(mAllAppsCallbacks.getOpenDuration());
+        Animator animator = mOpenCloseAnimation.getAnimationPlayer();
+        animator.setInterpolator(EMPHASIZED);
+        animator.addListener(AnimatorListeners.forEndCallback(() -> {
+            if (mIsOpen) {
+                mAllAppsCallbacks.onAllAppsTransitionEnd(true);
+            }
+        }));
+        animator.start();
+    }
+
+    @Override
+    protected void onOpenCloseAnimationPending(PendingAnimation animation) {
+        mAllAppsCallbacks.onAllAppsAnimationPending(
+                animation, mToTranslationShift == TRANSLATION_SHIFT_OPENED);
     }
 
     /** The apps container inside this view. */
diff --git a/quickstep/src/com/android/launcher3/taskbar/allapps/TaskbarAllAppsViewController.java b/quickstep/src/com/android/launcher3/taskbar/allapps/TaskbarAllAppsViewController.java
index f43169b..85633e9 100644
--- a/quickstep/src/com/android/launcher3/taskbar/allapps/TaskbarAllAppsViewController.java
+++ b/quickstep/src/com/android/launcher3/taskbar/allapps/TaskbarAllAppsViewController.java
@@ -20,6 +20,7 @@
 
 import com.android.launcher3.AbstractFloatingView;
 import com.android.launcher3.allapps.AllAppsTransitionListener;
+import com.android.launcher3.anim.PendingAnimation;
 import com.android.launcher3.appprediction.AppsDividerView;
 import com.android.launcher3.taskbar.NavbarButtonsViewController;
 import com.android.launcher3.taskbar.TaskbarControllers;
@@ -125,5 +126,9 @@
         boolean handleSearchBackInvoked() {
             return mSearchSessionController.handleBackInvoked();
         }
+
+        void onAllAppsAnimationPending(PendingAnimation animation, boolean toAllApps) {
+            mSearchSessionController.onAllAppsAnimationPending(animation, toAllApps);
+        }
     }
 }
diff --git a/quickstep/src/com/android/launcher3/taskbar/allapps/TaskbarSearchSessionController.kt b/quickstep/src/com/android/launcher3/taskbar/allapps/TaskbarSearchSessionController.kt
index c26977f..8a2041f 100644
--- a/quickstep/src/com/android/launcher3/taskbar/allapps/TaskbarSearchSessionController.kt
+++ b/quickstep/src/com/android/launcher3/taskbar/allapps/TaskbarSearchSessionController.kt
@@ -20,6 +20,7 @@
 import android.view.View
 import com.android.launcher3.R
 import com.android.launcher3.allapps.AllAppsTransitionListener
+import com.android.launcher3.anim.PendingAnimation
 import com.android.launcher3.config.FeatureFlags
 import com.android.launcher3.dragndrop.DragOptions.PreDragCondition
 import com.android.launcher3.model.data.ItemInfo
@@ -50,6 +51,8 @@
 
     open fun handleBackInvoked(): Boolean = false
 
+    open fun onAllAppsAnimationPending(animation: PendingAnimation, toAllApps: Boolean) = Unit
+
     companion object {
         @JvmStatic
         fun newInstance(context: Context): TaskbarSearchSessionController {
diff --git a/quickstep/src/com/android/launcher3/taskbar/navbutton/PhoneLandscapeNavLayoutter.kt b/quickstep/src/com/android/launcher3/taskbar/navbutton/PhoneLandscapeNavLayoutter.kt
index 92715a7..2acd5d4 100644
--- a/quickstep/src/com/android/launcher3/taskbar/navbutton/PhoneLandscapeNavLayoutter.kt
+++ b/quickstep/src/com/android/launcher3/taskbar/navbutton/PhoneLandscapeNavLayoutter.kt
@@ -42,17 +42,15 @@
 
     override fun layoutButtons(dp: DeviceProfile, isContextualButtonShowing: Boolean) {
         // TODO(b/230395757): Polish pending, this is just to make it usable
-        val navContainerParams = navButtonContainer.layoutParams as FrameLayout.LayoutParams
         val endStartMargins = resources.getDimensionPixelSize(R.dimen.taskbar_nav_buttons_size)
         val taskbarDimensions = DimensionUtils.getTaskbarPhoneDimensions(dp, resources,
                 TaskbarManager.isPhoneMode(dp))
         navButtonContainer.removeAllViews()
         navButtonContainer.orientation = LinearLayout.VERTICAL
 
+        val navContainerParams = FrameLayout.LayoutParams(
+                taskbarDimensions.x, ViewGroup.LayoutParams.MATCH_PARENT)
         navContainerParams.apply {
-            width = taskbarDimensions.x
-            height = ViewGroup.LayoutParams.MATCH_PARENT
-            gravity = Gravity.CENTER
             topMargin = endStartMargins
             bottomMargin = endStartMargins
             marginEnd = 0
@@ -65,6 +63,7 @@
         navButtonContainer.addView(backButton)
 
         navButtonContainer.layoutParams = navContainerParams
+        navButtonContainer.gravity = Gravity.CENTER
 
         // 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..c763115 100644
--- a/quickstep/src/com/android/launcher3/taskbar/navbutton/PhonePortraitNavLayoutter.kt
+++ b/quickstep/src/com/android/launcher3/taskbar/navbutton/PhonePortraitNavLayoutter.kt
@@ -41,28 +41,31 @@
 
     override fun layoutButtons(dp: DeviceProfile, isContextualButtonShowing: Boolean) {
         // TODO(b/230395757): Polish pending, this is just to make it usable
-        val navContainerParams = navButtonContainer.layoutParams as FrameLayout.LayoutParams
         val taskbarDimensions =
             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
+
+        val navContainerParams = FrameLayout.LayoutParams(
+                taskbarDimensions.x, ViewGroup.LayoutParams.MATCH_PARENT)
+        navContainerParams.apply {
+            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
 
         // Add the spaces in between the nav buttons
         val spaceInBetween =
diff --git a/quickstep/src/com/android/launcher3/taskbar/navbutton/TaskbarNavLayoutter.kt b/quickstep/src/com/android/launcher3/taskbar/navbutton/TaskbarNavLayoutter.kt
index 5ec7ca0..8332b7d 100644
--- a/quickstep/src/com/android/launcher3/taskbar/navbutton/TaskbarNavLayoutter.kt
+++ b/quickstep/src/com/android/launcher3/taskbar/navbutton/TaskbarNavLayoutter.kt
@@ -40,7 +40,6 @@
 
     override fun layoutButtons(dp: DeviceProfile, isContextualButtonShowing: Boolean) {
         // Add spacing after the end of the last nav button
-        val navButtonParams = navButtonContainer.layoutParams as FrameLayout.LayoutParams
         var navMarginEnd = resources.getDimension(dp.inv.inlineNavButtonsEndSpacing).toInt()
         val contextualWidth = endContextualContainer.width
         // If contextual buttons are showing, we check if the end margin is enough for the
@@ -50,10 +49,10 @@
             navMarginEnd += resources.getDimensionPixelSize(R.dimen.taskbar_hotseat_nav_spacing) / 2
         }
 
+        val navButtonParams = FrameLayout.LayoutParams(
+                FrameLayout.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.MATCH_PARENT)
         navButtonParams.apply {
-            gravity = Gravity.END
-            width = FrameLayout.LayoutParams.WRAP_CONTENT
-            height = ViewGroup.LayoutParams.MATCH_PARENT
+            gravity = Gravity.END or Gravity.CENTER_VERTICAL
             marginEnd = navMarginEnd
         }
         navButtonContainer.orientation = LinearLayout.HORIZONTAL
diff --git a/quickstep/src/com/android/launcher3/uioverrides/QuickstepLauncher.java b/quickstep/src/com/android/launcher3/uioverrides/QuickstepLauncher.java
index 20383f4..08ce794 100644
--- a/quickstep/src/com/android/launcher3/uioverrides/QuickstepLauncher.java
+++ b/quickstep/src/com/android/launcher3/uioverrides/QuickstepLauncher.java
@@ -33,6 +33,7 @@
 import static com.android.launcher3.LauncherState.OVERVIEW_MODAL_TASK;
 import static com.android.launcher3.LauncherState.OVERVIEW_SPLIT_SELECT;
 import static com.android.launcher3.compat.AccessibilityManagerCompat.sendCustomAccessibilityEvent;
+import static com.android.launcher3.config.FeatureFlags.ENABLE_SPLIT_FROM_DESKTOP_TO_WORKSPACE;
 import static com.android.launcher3.config.FeatureFlags.ENABLE_SPLIT_FROM_WORKSPACE_TO_WORKSPACE;
 import static com.android.launcher3.config.FeatureFlags.RECEIVE_UNFOLD_EVENTS_FROM_SYSUI;
 import static com.android.launcher3.logging.StatsLogManager.LauncherEvent.LAUNCHER_APP_LAUNCH_TAP;
@@ -117,6 +118,7 @@
 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 +175,7 @@
 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;
@@ -259,6 +262,7 @@
         mDesktopVisibilityController = new DesktopVisibilityController(this);
         if (DesktopTaskView.DESKTOP_MODE_SUPPORTED) {
             mDesktopVisibilityController.registerSystemUiListener();
+            mSplitSelectStateController.initSplitFromDesktopController(this);
         }
         mHotseatPredictionController = new HotseatPredictionController(this);
 
@@ -618,9 +622,10 @@
         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 +1331,13 @@
                                 : 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/launcher3/uioverrides/states/OverviewState.java b/quickstep/src/com/android/launcher3/uioverrides/states/OverviewState.java
index fecdd79..396d0ab 100644
--- a/quickstep/src/com/android/launcher3/uioverrides/states/OverviewState.java
+++ b/quickstep/src/com/android/launcher3/uioverrides/states/OverviewState.java
@@ -125,33 +125,8 @@
 
     @Override
     public int getFloatingSearchBarRestingMarginBottom(Launcher launcher) {
-        if (!areElementsVisible(launcher, FLOATING_SEARCH_BAR)) {
-            return super.getFloatingSearchBarRestingMarginBottom(launcher);
-        }
-        RecentsView recentsView = launcher.getOverviewPanel();
-        DeviceProfile dp = launcher.getDeviceProfile();
-        int activeTaskMarginBottom = LayoutUtils.getShelfTrackingDistance(launcher, dp,
-                recentsView.getPagedOrientationHandler());
-        // Center between task bottom and bottom of the screen.
-        return (activeTaskMarginBottom - dp.overviewActionsHeight) / 2
-                - launcher.getResources().getDimensionPixelSize(R.dimen.qsb_shadow_height);
-    }
-
-    @Override
-    public int getFloatingSearchBarRestingMarginStart(Launcher launcher) {
-        return getFloatingSearchBarRestingMarginHorizontal(launcher);
-    }
-
-    @Override
-    public int getFloatingSearchBarRestingMarginEnd(Launcher launcher) {
-        return getFloatingSearchBarRestingMarginHorizontal(launcher);
-    }
-
-    private static int getFloatingSearchBarRestingMarginHorizontal(Launcher launcher) {
-        // Width if the search bar were to be expanded (focused).
-        int expandedWidth = launcher.getResources().getDimensionPixelSize(
-                R.dimen.overview_floating_search_width);
-        return (launcher.getDeviceProfile().widthPx - expandedWidth) / 2;
+        return areElementsVisible(launcher, FLOATING_SEARCH_BAR) ? 0
+                : super.getFloatingSearchBarRestingMarginBottom(launcher);
     }
 
     @Override
diff --git a/quickstep/src/com/android/launcher3/uioverrides/states/QuickstepAtomicAnimationFactory.java b/quickstep/src/com/android/launcher3/uioverrides/states/QuickstepAtomicAnimationFactory.java
index 41bcb79..6651c73 100644
--- a/quickstep/src/com/android/launcher3/uioverrides/states/QuickstepAtomicAnimationFactory.java
+++ b/quickstep/src/com/android/launcher3/uioverrides/states/QuickstepAtomicAnimationFactory.java
@@ -55,12 +55,14 @@
 import static com.android.quickstep.views.RecentsView.RECENTS_SCALE_PROPERTY;
 
 import android.animation.ValueAnimator;
+import android.util.Log;
 
 import com.android.launcher3.CellLayout;
 import com.android.launcher3.Hotseat;
 import com.android.launcher3.LauncherState;
 import com.android.launcher3.Workspace;
 import com.android.launcher3.states.StateAnimationConfig;
+import com.android.launcher3.testing.shared.TestProtocol;
 import com.android.launcher3.touch.AllAppsSwipeController;
 import com.android.launcher3.uioverrides.QuickstepLauncher;
 import com.android.launcher3.util.DisplayController;
@@ -94,7 +96,8 @@
     @Override
     public void prepareForAtomicAnimation(LauncherState fromState, LauncherState toState,
             StateAnimationConfig config) {
-
+        Log.d(TestProtocol.OVERVIEW_OVER_HOME, "creating animation fromState: "
+                + fromState + " toState: " + toState);
         RecentsView overview = mActivity.getOverviewPanel();
         if ((fromState == OVERVIEW || fromState == OVERVIEW_SPLIT_SELECT) && toState == NORMAL) {
             overview.switchToScreenshot(() ->
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/SystemUiProxy.java b/quickstep/src/com/android/quickstep/SystemUiProxy.java
index c9b7d5e..e73b525 100644
--- a/quickstep/src/com/android/quickstep/SystemUiProxy.java
+++ b/quickstep/src/com/android/quickstep/SystemUiProxy.java
@@ -84,6 +84,7 @@
 import com.android.wm.shell.recents.IRecentTasksListener;
 import com.android.wm.shell.splitscreen.ISplitScreen;
 import com.android.wm.shell.splitscreen.ISplitScreenListener;
+import com.android.wm.shell.splitscreen.ISplitSelectListener;
 import com.android.wm.shell.startingsurface.IStartingWindow;
 import com.android.wm.shell.startingsurface.IStartingWindowListener;
 import com.android.wm.shell.transition.IShellTransitions;
@@ -128,6 +129,7 @@
     private IPipAnimationListener mPipAnimationListener;
     private IBubblesListener mBubblesListener;
     private ISplitScreenListener mSplitScreenListener;
+    private ISplitSelectListener mSplitSelectListener;
     private IStartingWindowListener mStartingWindowListener;
     private ILauncherUnlockAnimationController mLauncherUnlockAnimationController;
     private IRecentTasksListener mRecentTasksListener;
@@ -239,6 +241,7 @@
         setPipAnimationListener(mPipAnimationListener);
         setBubblesListener(mBubblesListener);
         registerSplitScreenListener(mSplitScreenListener);
+        registerSplitSelectListener(mSplitSelectListener);
         setStartingWindowListener(mStartingWindowListener);
         setLauncherUnlockAnimationController(mLauncherUnlockAnimationController);
         new LinkedHashMap<>(mRemoteTransitions).forEach(this::registerRemoteTransition);
@@ -740,6 +743,28 @@
         mSplitScreenListener = null;
     }
 
+    public void registerSplitSelectListener(ISplitSelectListener listener) {
+        if (mSplitScreen != null) {
+            try {
+                mSplitScreen.registerSplitSelectListener(listener);
+            } catch (RemoteException e) {
+                Log.w(TAG, "Failed call registerSplitSelectListener");
+            }
+        }
+        mSplitSelectListener = listener;
+    }
+
+    public void unregisterSplitSelectListener(ISplitSelectListener listener) {
+        if (mSplitScreen != null) {
+            try {
+                mSplitScreen.unregisterSplitSelectListener(listener);
+            } catch (RemoteException e) {
+                Log.w(TAG, "Failed call unregisterSplitSelectListener");
+            }
+        }
+        mSplitSelectListener = null;
+    }
+
     /** Start multiple tasks in split-screen simultaneously. */
     public void startTasks(int taskId1, Bundle options1, int taskId2, Bundle options2,
             @SplitConfigurationOptions.StagePosition int splitPosition, float splitRatio,
@@ -1281,6 +1306,17 @@
         }
     }
 
+    /** Perform cleanup transactions after animation to split select is complete */
+    public void onDesktopSplitSelectAnimComplete(ActivityManager.RunningTaskInfo taskInfo) {
+        if (mDesktopMode != null) {
+            try {
+                mDesktopMode.onDesktopSplitSelectAnimComplete(taskInfo);
+            } catch (RemoteException e) {
+                Log.w(TAG, "Failed call onDesktopSplitSelectAnimComplete", e);
+            }
+        }
+    }
+
     //
     // Unfold transition
     //
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/TaskViewUtils.java b/quickstep/src/com/android/quickstep/TaskViewUtils.java
index 2d5b8db..af49774 100644
--- a/quickstep/src/com/android/quickstep/TaskViewUtils.java
+++ b/quickstep/src/com/android/quickstep/TaskViewUtils.java
@@ -413,20 +413,14 @@
     }
 
     /**
-     * TODO: This doesn't animate at present. Feel free to blow out everyhing in this method
-     * if needed
+     * If {@param launchingTaskView} is not null, then this will play the tasks launch animation
+     * from the position of the GroupedTaskView (when user taps on the TaskView to start it).
+     * Technically this case should be taken care of by
+     * {@link #composeRecentsSplitLaunchAnimatorLegacy} below, but the way we launch tasks whether
+     * it's a single task or multiple tasks results in different entry-points.
      *
-     * We could manually try to animate the just the bounds for the leashes we get back, but we try
-     * to do it through TaskViewSimulator(TVS) since that handles a lot of the recents UI stuff for
-     * us.
-     *
-     * First you have to call TVS#setPreview() to indicate which leash it will operate one
-     * Then operations happen in TVS#apply() on each frame callback.
-     *
-     * TVS uses DeviceProfile to try to figure out things like task height and such based on if the
-     * device is in multiWindowMode or not. It's unclear given the two calls to startTask() when the
-     * device is considered in multiWindowMode and things like insets and stuff change
-     * and calculations have to be adjusted in the animations for that
+     * If it is null, then it will simply fade in the starting apps and fade out launcher (for the
+     * case where launcher handles animating starting split tasks from app icon)
      */
     public static void composeRecentsSplitLaunchAnimator(GroupedTaskView launchingTaskView,
             @NonNull StateManager stateManager, @Nullable DepthController depthController,
@@ -461,9 +455,9 @@
             return;
         }
 
-        // TODO: consider initialTaskPendingIntent
         TransitionInfo.Change splitRoot1 = null;
         TransitionInfo.Change splitRoot2 = null;
+        final ArrayList<SurfaceControl> openingTargets = new ArrayList<>();
         for (int i = 0; i < transitionInfo.getChanges().size(); ++i) {
             final TransitionInfo.Change change = transitionInfo.getChanges().get(i);
             if (change.getTaskInfo() == null) {
@@ -484,32 +478,48 @@
             if (taskId == initialTaskId) {
                 splitRoot1 = change.getParent() == null ? change :
                         transitionInfo.getChange(change.getParent());
+                openingTargets.add(splitRoot1.getLeash());
             }
             if (taskId == secondTaskId) {
                 splitRoot2 = change.getParent() == null ? change :
                         transitionInfo.getChange(change.getParent());
+                openingTargets.add(splitRoot2.getLeash());
             }
         }
 
-        // This is where we should animate the split roots. For now, though, just make them visible.
-        animateSplitRoot(t, splitRoot1);
-        animateSplitRoot(t, splitRoot2);
+        SurfaceControl.Transaction animTransaction = new SurfaceControl.Transaction();
+        ValueAnimator animator = ValueAnimator.ofFloat(0f, 1f);
+        animator.setDuration(SPLIT_LAUNCH_DURATION);
+        animator.addUpdateListener(valueAnimator -> {
+            float progress = valueAnimator.getAnimatedFraction();
+            for (SurfaceControl leash: openingTargets) {
+                animTransaction.setAlpha(leash, progress);
+            }
+            animTransaction.apply();
+        });
+        animator.addListener(new AnimatorListenerAdapter() {
+            @Override
+            public void onAnimationStart(Animator animation) {
+                for (SurfaceControl leash: openingTargets) {
+                    animTransaction.show(leash)
+                            .setAlpha(leash, 0.0f);
+                }
+                animTransaction.apply();
+            }
 
-        // This contains the initial state (before animation), so apply this at the beginning of
-        // the animation.
-        t.apply();
+            @Override
+            public void onAnimationEnd(Animator animation) {
+                finishCallback.run();
+            }
+        });
 
-        // Once there is an animation, this should be called AFTER the animation completes.
-        finishCallback.run();
-    }
-
-    private static void animateSplitRoot(SurfaceControl.Transaction t,
-            TransitionInfo.Change splitRoot) {
-        testLogD(LAUNCH_SPLIT_PAIR, "animateSplitRoot: " + splitRoot);
-        if (splitRoot != null) {
-            t.show(splitRoot.getLeash());
-            t.setAlpha(splitRoot.getLeash(), 1.f);
+        if (splitRoot1 != null && splitRoot1.getParent() != null) {
+            // Set the highest level split root alpha; we could technically use the parent of either
+            // splitRoot1 or splitRoot2
+            t.setAlpha(transitionInfo.getChange(splitRoot1.getParent()).getLeash(), 1f);
         }
+        t.apply();
+        animator.start();
     }
 
     /**
@@ -522,7 +532,9 @@
      * it's a single task or multiple tasks results in different entry-points.
      *
      * If it is null, then it will simply fade in the starting apps and fade out launcher (for the
-     * case where launcher handles animating starting split tasks from app icon) */
+     * case where launcher handles animating starting split tasks from app icon)
+     * @deprecated with shell transitions
+     */
     public static void composeRecentsSplitLaunchAnimatorLegacy(
             @Nullable GroupedTaskView launchingTaskView, int initialTaskId, int secondTaskId,
             @NonNull RemoteAnimationTarget[] appTargets,
diff --git a/quickstep/src/com/android/quickstep/TouchInteractionService.java b/quickstep/src/com/android/quickstep/TouchInteractionService.java
index f1244ff..7a9f88a 100644
--- a/quickstep/src/com/android/quickstep/TouchInteractionService.java
+++ b/quickstep/src/com/android/quickstep/TouchInteractionService.java
@@ -56,6 +56,8 @@
 import android.app.PendingIntent;
 import android.app.RemoteAction;
 import android.app.Service;
+import android.content.IIntentReceiver;
+import android.content.IIntentSender;
 import android.content.Intent;
 import android.content.SharedPreferences;
 import android.content.res.Configuration;
@@ -571,15 +573,7 @@
         AccessibilityManager am = getSystemService(AccessibilityManager.class);
 
         if (isHomeAndOverviewSame) {
-            Intent intent = new Intent(mOverviewComponentObserver.getHomeIntent())
-                    .setAction(INTENT_ACTION_ALL_APPS_TOGGLE);
-            RemoteAction allAppsAction = new RemoteAction(
-                    Icon.createWithResource(this, R.drawable.ic_apps),
-                    getString(R.string.all_apps_label),
-                    getString(R.string.all_apps_label),
-                    PendingIntent.getActivity(this, GLOBAL_ACTION_ACCESSIBILITY_ALL_APPS, intent,
-                            PendingIntent.FLAG_UPDATE_CURRENT | PendingIntent.FLAG_IMMUTABLE));
-            am.registerSystemAction(allAppsAction, GLOBAL_ACTION_ACCESSIBILITY_ALL_APPS);
+            am.registerSystemAction(createAllAppsAction(), GLOBAL_ACTION_ACCESSIBILITY_ALL_APPS);
         } else {
             am.unregisterSystemAction(GLOBAL_ACTION_ACCESSIBILITY_ALL_APPS);
         }
@@ -592,6 +586,35 @@
         mTISBinder.onOverviewTargetChange();
     }
 
+    private RemoteAction createAllAppsAction() {
+        final Intent homeIntent = new Intent(mOverviewComponentObserver.getHomeIntent())
+                .setAction(INTENT_ACTION_ALL_APPS_TOGGLE);
+        final PendingIntent actionPendingIntent;
+
+        if (FeatureFlags.ENABLE_ALL_APPS_SEARCH_IN_TASKBAR.get()) {
+            actionPendingIntent = new PendingIntent(new IIntentSender.Stub() {
+                @Override
+                public void send(int code, Intent intent, String resolvedType,
+                        IBinder allowlistToken, IIntentReceiver finishedReceiver,
+                        String requiredPermission, Bundle options) {
+                    MAIN_EXECUTOR.execute(() -> mTaskbarManager.toggleAllApps(homeIntent));
+                }
+            });
+        } else {
+            actionPendingIntent = PendingIntent.getActivity(
+                    this,
+                    GLOBAL_ACTION_ACCESSIBILITY_ALL_APPS,
+                    homeIntent,
+                    PendingIntent.FLAG_UPDATE_CURRENT | PendingIntent.FLAG_IMMUTABLE);
+        }
+
+        return new RemoteAction(
+                Icon.createWithResource(this, R.drawable.ic_apps),
+                getString(R.string.all_apps_label),
+                getString(R.string.all_apps_label),
+                actionPendingIntent);
+    }
+
     @UiThread
     private void onSystemUiFlagsChanged(int lastSysUIFlags) {
         if (LockedUserState.get(this).isUserUnlocked()) {
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/interaction/AllSetActivity.java b/quickstep/src/com/android/quickstep/interaction/AllSetActivity.java
index f11bc81..49814df 100644
--- a/quickstep/src/com/android/quickstep/interaction/AllSetActivity.java
+++ b/quickstep/src/com/android/quickstep/interaction/AllSetActivity.java
@@ -95,9 +95,10 @@
 
     private static final float ANIMATION_PAUSE_ALPHA_THRESHOLD = 0.1f;
 
+    private final AnimatedFloat mSwipeProgress = new AnimatedFloat(this::onSwipeProgressUpdate);
+
     private TISBindHelper mTISBindHelper;
 
-    private final AnimatedFloat mSwipeProgress = new AnimatedFloat(this::onSwipeProgressUpdate);
     private BgDrawable mBackground;
     private View mRootView;
     private float mSwipeUpShift;
@@ -172,7 +173,7 @@
                         LOTTIE_TERTIARY_COLOR_TOKEN, R.color.all_set_bg_tertiary),
                 getTheme());
 
-        startBackgroundAnimation();
+        startBackgroundAnimation(dp.isTablet);
     }
 
     private void runOnUiHelperThread(Runnable runnable) {
@@ -183,7 +184,7 @@
         Executors.UI_HELPER_EXECUTOR.execute(runnable);
     }
 
-    private void startBackgroundAnimation() {
+    private void startBackgroundAnimation(boolean forTablet) {
         if (!Utilities.ATLEAST_S || mVibrator == null) {
             return;
         }
@@ -199,7 +200,7 @@
                     .addPrimitive(supportsThud
                                     ? VibrationEffect.Composition.PRIMITIVE_THUD
                                     : VibrationEffect.Composition.PRIMITIVE_TICK,
-                            /* scale= */ 1.0f,
+                            /* scale= */ forTablet ? 1.0f : 0.3f,
                             /* delay= */ 50)
                     .compose();
 
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..0c89766 100644
--- a/quickstep/src/com/android/quickstep/util/SplitSelectStateController.java
+++ b/quickstep/src/com/android/quickstep/util/SplitSelectStateController.java
@@ -17,10 +17,14 @@
 package com.android.quickstep.util;
 
 import static com.android.launcher3.Utilities.postAsyncCallback;
+import static com.android.launcher3.config.FeatureFlags.ENABLE_SPLIT_FROM_DESKTOP_TO_WORKSPACE;
+import static com.android.launcher3.logging.StatsLogManager.LauncherEvent.LAUNCHER_DESKTOP_MODE_SPLIT_RIGHT_BOTTOM;
 import static com.android.launcher3.testing.shared.TestProtocol.LAUNCH_SPLIT_PAIR;
 import static com.android.launcher3.testing.shared.TestProtocol.testLogD;
 import static com.android.launcher3.util.Executors.MAIN_EXECUTOR;
+import static com.android.launcher3.util.Executors.UI_HELPER_EXECUTOR;
 import static com.android.launcher3.util.SplitConfigurationOptions.DEFAULT_SPLIT_RATIO;
+import static com.android.launcher3.util.SplitConfigurationOptions.STAGE_POSITION_BOTTOM_OR_RIGHT;
 import static com.android.quickstep.util.SplitSelectDataHolder.SPLIT_PENDINGINTENT_PENDINGINTENT;
 import static com.android.quickstep.util.SplitSelectDataHolder.SPLIT_PENDINGINTENT_TASK;
 import static com.android.quickstep.util.SplitSelectDataHolder.SPLIT_SHORTCUT_TASK;
@@ -31,6 +35,8 @@
 import static com.android.quickstep.util.SplitSelectDataHolder.SPLIT_TASK_SHORTCUT;
 import static com.android.quickstep.util.SplitSelectDataHolder.SPLIT_TASK_TASK;
 
+import android.animation.Animator;
+import android.animation.AnimatorListenerAdapter;
 import android.annotation.NonNull;
 import android.app.ActivityManager;
 import android.app.ActivityOptions;
@@ -38,11 +44,16 @@
 import android.app.PendingIntent;
 import android.content.Context;
 import android.content.Intent;
+import android.content.pm.PackageManager;
 import android.content.pm.ShortcutInfo;
+import android.graphics.Rect;
+import android.graphics.RectF;
+import android.graphics.drawable.Drawable;
 import android.os.Bundle;
 import android.os.Handler;
 import android.os.IBinder;
 import android.os.RemoteException;
+import android.os.SystemClock;
 import android.os.UserHandle;
 import android.util.Log;
 import android.util.Pair;
@@ -57,7 +68,11 @@
 import androidx.annotation.Nullable;
 
 import com.android.internal.logging.InstanceId;
+import com.android.launcher3.Launcher;
+import com.android.launcher3.R;
+import com.android.launcher3.anim.PendingAnimation;
 import com.android.launcher3.config.FeatureFlags;
+import com.android.launcher3.icons.IconProvider;
 import com.android.launcher3.logging.StatsLogManager;
 import com.android.launcher3.model.data.ItemInfo;
 import com.android.launcher3.statehandlers.DepthController;
@@ -66,6 +81,11 @@
 import com.android.launcher3.testing.shared.TestProtocol;
 import com.android.launcher3.util.ComponentKey;
 import com.android.launcher3.util.SplitConfigurationOptions.StagePosition;
+import com.android.quickstep.OverviewComponentObserver;
+import com.android.quickstep.RecentsAnimationCallbacks;
+import com.android.quickstep.RecentsAnimationController;
+import com.android.quickstep.RecentsAnimationDeviceState;
+import com.android.quickstep.RecentsAnimationTargets;
 import com.android.quickstep.RecentsModel;
 import com.android.quickstep.SplitSelectionListener;
 import com.android.quickstep.SystemUiProxy;
@@ -73,11 +93,16 @@
 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.quickstep.views.RecentsView;
 import com.android.systemui.shared.recents.model.Task;
+import com.android.systemui.shared.system.ActivityManagerWrapper;
 import com.android.systemui.shared.system.RemoteAnimationRunnerCompat;
+import com.android.wm.shell.splitscreen.ISplitSelectListener;
 
 import java.io.PrintWriter;
 import java.util.ArrayList;
+import java.util.Collections;
 import java.util.List;
 import java.util.function.Consumer;
 
@@ -97,6 +122,7 @@
     private final StatsLogManager mStatsLogManager;
     private final SystemUiProxy mSystemUiProxy;
     private final StateManager mStateManager;
+    private SplitFromDesktopController mSplitFromDesktopController;
     @Nullable
     private DepthController mDepthController;
     private boolean mRecentsAnimationRunning;
@@ -112,6 +138,7 @@
     private GroupedTaskView mLaunchingTaskView;
 
     private FloatingTaskView mFirstFloatingTaskView;
+    private SplitInstructionsView mSplitInstructionsView;
 
     private final List<SplitSelectionListener> mSplitSelectionListeners = new ArrayList<>();
 
@@ -126,7 +153,7 @@
         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 +180,46 @@
     }
 
     /**
-     * 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 +262,7 @@
      * 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 +275,14 @@
     }
 
     /**
+     * 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 +315,8 @@
      *                   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();
@@ -456,8 +500,16 @@
         }
     }
 
+    public void initSplitFromDesktopController(Launcher launcher) {
+        mSplitFromDesktopController = new SplitFromDesktopController(launcher);
+    }
+
+    public void enterSplitFromDesktop(ActivityManager.RunningTaskInfo taskInfo) {
+        mSplitFromDesktopController.enterSplitSelect(taskInfo);
+    }
+
     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 +517,7 @@
     }
 
     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 +566,7 @@
         private final Consumer<Boolean> mSuccessCallback;
 
         RemoteSplitLaunchTransitionRunner(int initialTaskId, int secondTaskId,
-                Consumer<Boolean> callback) {
+                @Nullable Consumer<Boolean> callback) {
             mInitialTaskId = initialTaskId;
             mSecondTaskId = secondTaskId;
             mSuccessCallback = callback;
@@ -540,9 +592,8 @@
                             if (mSuccessCallback != null) {
                                 mSuccessCallback.accept(true);
                             }
+                            resetState();
                         });
-                // After successful launch, call resetState
-                resetState();
             });
         }
 
@@ -563,7 +614,7 @@
         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 +663,7 @@
         mAnimateCurrentTaskDismissal = false;
         mDismissingFromSplitPair = false;
         mFirstFloatingTaskView = null;
+        mSplitInstructionsView = null;
     }
 
     /**
@@ -642,11 +694,20 @@
         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;
     }
@@ -656,4 +717,114 @@
             mSplitSelectDataHolder.dump(prefix, writer);
         }
     }
+
+    public class SplitFromDesktopController {
+        private static final String TAG = "SplitFromDesktopController";
+
+        private final Launcher mLauncher;
+        private final OverviewComponentObserver mOverviewComponentObserver;
+        private final int mSplitPlaceholderSize;
+        private final int mSplitPlaceholderInset;
+        private ActivityManager.RunningTaskInfo mTaskInfo;
+        private ISplitSelectListener mSplitSelectListener;
+        private Drawable mAppIcon;
+
+        public SplitFromDesktopController(Launcher launcher) {
+            mLauncher = launcher;
+            RecentsAnimationDeviceState deviceState = new RecentsAnimationDeviceState(
+                    launcher.getApplicationContext());
+            mOverviewComponentObserver =
+                    new OverviewComponentObserver(launcher.getApplicationContext(), deviceState);
+            mSplitPlaceholderSize = mLauncher.getResources().getDimensionPixelSize(
+                    R.dimen.split_placeholder_size);
+            mSplitPlaceholderInset = mLauncher.getResources().getDimensionPixelSize(
+                    R.dimen.split_placeholder_inset);
+            mSplitSelectListener = new ISplitSelectListener.Stub() {
+                @Override
+                public boolean onRequestSplitSelect(ActivityManager.RunningTaskInfo taskInfo) {
+                    if (!ENABLE_SPLIT_FROM_DESKTOP_TO_WORKSPACE.get()) return false;
+                    MAIN_EXECUTOR.execute(() -> enterSplitSelect(taskInfo));
+                    return true;
+                }
+            };
+            SystemUiProxy.INSTANCE.get(mLauncher).registerSplitSelectListener(mSplitSelectListener);
+        }
+
+        /**
+         * Enter split select from desktop mode.
+         * @param taskInfo the desktop task to move to split stage
+         */
+        public void enterSplitSelect(ActivityManager.RunningTaskInfo taskInfo) {
+            mTaskInfo = taskInfo;
+            String packageName = mTaskInfo.realActivity.getPackageName();
+            PackageManager pm = mLauncher.getApplicationContext().getPackageManager();
+            IconProvider provider = new IconProvider(mLauncher.getApplicationContext());
+            try {
+                mAppIcon = provider.getIcon(pm.getActivityInfo(mTaskInfo.baseActivity,
+                     PackageManager.ComponentInfoFlags.of(0)));
+            } catch (PackageManager.NameNotFoundException e) {
+                Log.w(TAG, "Package not found: " + packageName, e);
+            }
+            RecentsAnimationCallbacks callbacks = new RecentsAnimationCallbacks(
+                    SystemUiProxy.INSTANCE.get(mLauncher.getApplicationContext()),
+                    false /* allowMinimizeSplitScreen */);
+
+            DesktopSplitRecentsAnimationListener listener =
+                    new DesktopSplitRecentsAnimationListener();
+
+            MAIN_EXECUTOR.execute(() -> {
+                callbacks.addListener(listener);
+                UI_HELPER_EXECUTOR.execute(
+                        // Transition from app to enter stage split in launcher with
+                        // recents animation.
+                        () -> ActivityManagerWrapper.getInstance().startRecentsActivity(
+                                mOverviewComponentObserver.getOverviewIntent(),
+                                SystemClock.uptimeMillis(), callbacks, null, null));
+            });
+        }
+
+        private class DesktopSplitRecentsAnimationListener implements
+                RecentsAnimationCallbacks.RecentsAnimationListener {
+            private final Rect mTempRect = new Rect();
+
+            @Override
+            public void onRecentsAnimationStart(RecentsAnimationController controller,
+                    RecentsAnimationTargets targets) {
+                setInitialTaskSelect(mTaskInfo, STAGE_POSITION_BOTTOM_OR_RIGHT,
+                        null, LAUNCHER_DESKTOP_MODE_SPLIT_RIGHT_BOTTOM);
+
+                RecentsView recentsView = mLauncher.getOverviewPanel();
+                recentsView.getPagedOrientationHandler().getInitialSplitPlaceholderBounds(
+                        mSplitPlaceholderSize, mSplitPlaceholderInset,
+                        mLauncher.getDeviceProfile(), getActiveSplitStagePosition(), mTempRect);
+
+                PendingAnimation anim = new PendingAnimation(
+                        SplitAnimationTimings.TABLET_HOME_TO_SPLIT.getDuration());
+                RectF startingTaskRect = new RectF(mTaskInfo.configuration.windowConfiguration
+                        .getBounds());
+                final FloatingTaskView floatingTaskView = FloatingTaskView.getFloatingTaskView(
+                        mLauncher, mLauncher.getDragLayer(),
+                        null /* thumbnail */,
+                        mAppIcon, new RectF());
+                floatingTaskView.setAlpha(1);
+                floatingTaskView.addStagingAnimation(anim, startingTaskRect, mTempRect,
+                        false /* fadeWithThumbnail */, true /* isStagedTask */);
+                setFirstFloatingTaskView(floatingTaskView);
+
+                anim.addListener(new AnimatorListenerAdapter() {
+                    @Override
+                    public void onAnimationStart(Animator animation) {
+                        controller.finish(true /* toRecents */, null /* onFinishComplete */,
+                                false /* sendUserLeaveHint */);
+                    }
+                    @Override
+                    public void onAnimationEnd(Animator animation) {
+                        SystemUiProxy.INSTANCE.get(mLauncher.getApplicationContext())
+                                .onDesktopSplitSelectAnimComplete(mTaskInfo);
+                    }
+                });
+                anim.buildAnim().start();
+            }
+        }
+    }
 }
diff --git a/quickstep/src/com/android/quickstep/util/SplitToWorkspaceController.java b/quickstep/src/com/android/quickstep/util/SplitToWorkspaceController.java
index b36cf5f..056f9aa 100644
--- a/quickstep/src/com/android/quickstep/util/SplitToWorkspaceController.java
+++ b/quickstep/src/com/android/quickstep/util/SplitToWorkspaceController.java
@@ -16,6 +16,7 @@
 
 package com.android.quickstep.util;
 
+import static com.android.launcher3.config.FeatureFlags.ENABLE_SPLIT_FROM_DESKTOP_TO_WORKSPACE;
 import static com.android.launcher3.config.FeatureFlags.ENABLE_SPLIT_FROM_FULLSCREEN_WITH_KEYBOARD_SHORTCUTS;
 import static com.android.launcher3.config.FeatureFlags.ENABLE_SPLIT_FROM_WORKSPACE_TO_WORKSPACE;
 
@@ -178,7 +179,8 @@
 
     private boolean shouldIgnoreSecondSplitLaunch() {
         return (!ENABLE_SPLIT_FROM_FULLSCREEN_WITH_KEYBOARD_SHORTCUTS.get()
-                && !ENABLE_SPLIT_FROM_WORKSPACE_TO_WORKSPACE.get())
+                && !ENABLE_SPLIT_FROM_WORKSPACE_TO_WORKSPACE.get()
+                && !ENABLE_SPLIT_FROM_DESKTOP_TO_WORKSPACE.get())
                 || !mController.isSplitSelectActive();
     }
 }
diff --git a/quickstep/src/com/android/quickstep/views/LauncherRecentsView.java b/quickstep/src/com/android/quickstep/views/LauncherRecentsView.java
index 4f119c0..eb7598d 100644
--- a/quickstep/src/com/android/quickstep/views/LauncherRecentsView.java
+++ b/quickstep/src/com/android/quickstep/views/LauncherRecentsView.java
@@ -20,7 +20,6 @@
 import static com.android.launcher3.LauncherState.ALL_APPS;
 import static com.android.launcher3.LauncherState.CLEAR_ALL_BUTTON;
 import static com.android.launcher3.LauncherState.EDIT_MODE;
-import static com.android.launcher3.LauncherState.FLOATING_SEARCH_BAR;
 import static com.android.launcher3.LauncherState.NORMAL;
 import static com.android.launcher3.LauncherState.OVERVIEW;
 import static com.android.launcher3.LauncherState.OVERVIEW_MODAL_TASK;
@@ -31,6 +30,7 @@
 import android.content.Context;
 import android.os.Build;
 import android.util.AttributeSet;
+import android.util.Log;
 import android.view.MotionEvent;
 import android.view.Surface;
 
@@ -44,6 +44,7 @@
 import com.android.launcher3.statehandlers.DesktopVisibilityController;
 import com.android.launcher3.statemanager.StateManager;
 import com.android.launcher3.statemanager.StateManager.StateListener;
+import com.android.launcher3.testing.shared.TestProtocol;
 import com.android.launcher3.uioverrides.QuickstepLauncher;
 import com.android.launcher3.util.PendingSplitSelectInfo;
 import com.android.launcher3.util.SplitConfigurationOptions;
@@ -100,12 +101,6 @@
     }
 
     @Override
-    public boolean isFloatingSearchVisible() {
-        return FeatureFlags.ENABLE_FLOATING_SEARCH_BAR.get()
-                && OVERVIEW.areElementsVisible(mActivity, FLOATING_SEARCH_BAR);
-    }
-
-    @Override
     protected void onTaskLaunchAnimationEnd(boolean success) {
         if (success) {
             mActivity.getStateManager().moveToRestState();
@@ -172,6 +167,8 @@
     @Override
     public void setOverviewStateEnabled(boolean enabled) {
         super.setOverviewStateEnabled(enabled);
+        Log.d(TestProtocol.OVERVIEW_OVER_HOME, "overview state enabled state has changed: "
+                + enabled);
         if (enabled) {
             LauncherState state = mActivity.getStateManager().getState();
             boolean hasClearAllButton = (state.getVisibleElements(mActivity)
diff --git a/quickstep/src/com/android/quickstep/views/OverviewActionsView.java b/quickstep/src/com/android/quickstep/views/OverviewActionsView.java
index bfb578b..b31791a 100644
--- a/quickstep/src/com/android/quickstep/views/OverviewActionsView.java
+++ b/quickstep/src/com/android/quickstep/views/OverviewActionsView.java
@@ -22,14 +22,12 @@
 import android.util.AttributeSet;
 import android.view.View;
 import android.view.View.OnClickListener;
+import android.widget.Button;
 import android.widget.FrameLayout;
-import android.widget.ImageButton;
 
 import androidx.annotation.IntDef;
 import androidx.annotation.Nullable;
 
-import com.android.launcher3.BaseActivity;
-import com.android.launcher3.BaseDraggingActivity;
 import com.android.launcher3.DeviceProfile;
 import com.android.launcher3.Insettable;
 import com.android.launcher3.R;
@@ -51,7 +49,6 @@
         implements OnClickListener, Insettable {
 
     private final Rect mInsets = new Rect();
-    private BaseDraggingActivity mActivity;
 
     @IntDef(flag = true, value = {
             HIDDEN_NON_ZERO_ROTATION,
@@ -99,7 +96,7 @@
     public static final int FLAG_SINGLE_TASK = 1 << 0;
 
     private MultiValueAlpha mMultiValueAlpha;
-    private ImageButton mSplitButton;
+    private Button mSplitButton;
 
     @ActionsHiddenFlags
     private int mHiddenFlags;
@@ -135,8 +132,6 @@
     @Override
     protected void onFinishInflate() {
         super.onFinishInflate();
-        mActivity = BaseActivity.fromContext(getContext());
-
         mMultiValueAlpha = new MultiValueAlpha(findViewById(R.id.action_buttons), NUM_ALPHAS);
         mMultiValueAlpha.setUpdateVisibility(true);
 
@@ -285,7 +280,7 @@
         LayoutParams actionParams = (LayoutParams) findViewById(
                 R.id.action_buttons).getLayoutParams();
         actionParams.setMargins(
-                actionParams.leftMargin, 0,
+                actionParams.leftMargin, mDp.overviewActionsTopMarginPx,
                 actionParams.rightMargin, getBottomMargin());
     }
 
@@ -298,11 +293,6 @@
             return mDp.stashedTaskbarHeight;
         }
 
-        if (isFloatingSearchVisible()) {
-            // Center between task and bottom of the screen.
-            return (mDp.heightPx - mTaskSize.bottom - mDp.overviewActionsHeight) / 2;
-        }
-
         // Align to bottom of task Rect.
         return mDp.heightPx - mTaskSize.bottom - mDp.overviewActionsTopMarginPx
                 - mDp.overviewActionsHeight;
@@ -318,12 +308,9 @@
 
         requestLayout();
 
-        mSplitButton.setImageResource(
-                dp.isLandscape ? R.drawable.ic_split_horizontal : R.drawable.ic_split_vertical);
-    }
-
-    protected boolean isFloatingSearchVisible() {
-        return ((RecentsView) mActivity.getOverviewPanel()).isFloatingSearchVisible();
+        mSplitButton.setCompoundDrawablesRelativeWithIntrinsicBounds(
+                (dp.isLandscape ? R.drawable.ic_split_horizontal : R.drawable.ic_split_vertical),
+                0, 0, 0);
     }
 
     /**
diff --git a/quickstep/src/com/android/quickstep/views/RecentsView.java b/quickstep/src/com/android/quickstep/views/RecentsView.java
index 29d9fa6..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();
         }
     }
 
@@ -5222,11 +5221,6 @@
         });
     }
 
-    /** @return {@code true} if floating search bar is visible in Recents. */
-    public boolean isFloatingSearchVisible() {
-        return false;
-    }
-
     public RemoteTargetHandle[] getRemoteTargetHandles() {
         return mRemoteTargetHandles;
     }
@@ -6039,7 +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/color/overview_button.xml b/res/color/overview_button.xml
index ccc042a..1dd8da6 100644
--- a/res/color/overview_button.xml
+++ b/res/color/overview_button.xml
@@ -3,10 +3,10 @@
     xmlns:androidprv="http://schemas.android.com/apk/prv/res/android">
     <item
         android:alpha="1"
-        android:color="?androidprv:attr/materialColorOnSurfaceVariant"
+        android:color="?androidprv:attr/materialColorOnSurface"
         android:state_enabled="true" />
     <item
         android:alpha="?android:disabledAlpha"
-        android:color="?androidprv:attr/materialColorOnSurfaceVariant"
+        android:color="?androidprv:attr/materialColorOnSurface"
         android:state_enabled="false" />
 </selector>
\ No newline at end of file
diff --git a/res/drawable/circle_btn_bg.xml b/res/drawable/circle_btn_bg.xml
deleted file mode 100644
index ad59ea5..0000000
--- a/res/drawable/circle_btn_bg.xml
+++ /dev/null
@@ -1,14 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<ripple xmlns:android="http://schemas.android.com/apk/res/android"
-    android:color="@color/accent_ripple_color">
-    <item android:id="@android:id/mask">
-        <shape android:shape="oval">
-            <solid android:color="@android:color/white" />
-        </shape>
-    </item>
-    <item>
-        <shape android:shape="oval">
-            <solid android:color="@android:color/white" />
-        </shape>
-    </item>
-</ripple>
diff --git a/res/drawable/ic_split_horizontal.xml b/res/drawable/ic_split_horizontal.xml
index 875b1be..2efd2b9 100644
--- a/res/drawable/ic_split_horizontal.xml
+++ b/res/drawable/ic_split_horizontal.xml
@@ -5,5 +5,5 @@
     android:viewportHeight="24">
   <path
       android:pathData="M4,6L9,6L9,18L4,18L4,6ZM2,6L2,18C2,19.1 2.9,20 4,20L9,20C10.1,20 11,19.1 11,18L11,6C11,4.9 10.1,4 9,4L4,4C2.9,4 2,4.9 2,6ZM15,6L20,6L20,18L15,18L15,6ZM13,6L13,18C13,19.1 13.9,20 15,20L20,20C21.1,20 22,19.1 22,18L22,6C22,4.9 21.1,4 20,4L15,4C13.9,4 13,4.9 13,6Z"
-      android:fillColor="@color/overview_button"/>
+      android:fillColor="#000000"/>
 </vector>
diff --git a/res/drawable/ic_split_vertical.xml b/res/drawable/ic_split_vertical.xml
index e73a1b2..9bc9785 100644
--- a/res/drawable/ic_split_vertical.xml
+++ b/res/drawable/ic_split_vertical.xml
@@ -5,5 +5,5 @@
     android:viewportHeight="24">
   <path
       android:pathData="M18,4V9H6V4H18ZM18,2H6C4.9,2 4,2.9 4,4V9C4,10.1 4.9,11 6,11H18C19.1,11 20,10.1 20,9V4C20,2.9 19.1,2 18,2ZM18,15V20H6V15H18ZM18,13H6C4.9,13 4,13.9 4,15V20C4,21.1 4.9,22 6,22H18C19.1,22 20,21.1 20,20V15C20,13.9 19.1,13 18,13Z"
-      android:fillColor="@color/overview_button"/>
+      android:fillColor="#000000"/>
 </vector>
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/res/values/attrs.xml b/res/values/attrs.xml
index 4d75fb8..05eaf88 100644
--- a/res/values/attrs.xml
+++ b/res/values/attrs.xml
@@ -202,6 +202,7 @@
         <attr name="demoModeLayoutId" format="reference" />
         <attr name="isScalable" format="boolean" />
         <attr name="devicePaddingId" format="reference" />
+
         <!-- File that contains the specs for the workspace.
         Needs FeatureFlags.ENABLE_RESPONSIVE_WORKSPACE enabled -->
         <attr name="workspaceSpecsId" format="reference" />
@@ -210,11 +211,14 @@
         Needs FeatureFlags.ENABLE_RESPONSIVE_WORKSPACE enabled -->
         <attr name="allAppsSpecsId" format="reference" />
         <attr name="allAppsSpecsTwoPanelId" format="reference" />
-
         <!-- File that contains the specs for the workspace.
         Needs FeatureFlags.ENABLE_RESPONSIVE_WORKSPACE enabled -->
         <attr name="folderSpecsId" format="reference" />
         <attr name="folderSpecsTwoPanelId" format="reference" />
+        <!-- File that contains the specs for hotseat bar.
+        Needs FeatureFlags.ENABLE_RESPONSIVE_WORKSPACE enabled -->
+        <attr name="hotseatSpecsId" format="reference" />
+        <attr name="hotseatSpecsTwoPanelId" format="reference" />
 
         <!-- By default all categories are enabled -->
         <attr name="deviceCategory" format="integer">
@@ -278,6 +282,11 @@
         <attr name="maxAvailableSize" />
     </declare-styleable>
 
+    <declare-styleable name="HotseatSpec">
+        <attr name="specType" />
+        <attr name="maxAvailableSize" />
+    </declare-styleable>
+
     <declare-styleable name="SizeSpec">
         <attr name="fixedSize" format="dimension" />
         <attr name="ofAvailableSpace" format="float" />
diff --git a/res/values/dimens.xml b/res/values/dimens.xml
index bea86fa..1079e00 100644
--- a/res/values/dimens.xml
+++ b/res/values/dimens.xml
@@ -396,12 +396,10 @@
     <dimen name="task_thumbnail_icon_drawable_size">0dp</dimen>
     <dimen name="task_thumbnail_icon_drawable_size_grid">0dp</dimen>
     <dimen name="overview_task_margin">0dp</dimen>
-    <dimen name="overview_actions_size">0dp</dimen>
+    <dimen name="overview_actions_height">0dp</dimen>
     <dimen name="overview_actions_button_spacing">0dp</dimen>
     <dimen name="overview_actions_margin_gesture">0dp</dimen>
     <dimen name="overview_actions_top_margin">0dp</dimen>
-    <!-- Width if the search bar were to be full-size in Overview. Note pill is 192dp smaller. -->
-    <dimen name="overview_floating_search_width">348dp</dimen>
     <dimen name="overview_grid_side_margin">0dp</dimen>
     <dimen name="overview_grid_row_spacing">0dp</dimen>
     <dimen name="overview_page_spacing">0dp</dimen>
diff --git a/src/com/android/launcher3/AppWidgetResizeFrame.java b/src/com/android/launcher3/AppWidgetResizeFrame.java
index 9a1ccd0..7131452 100644
--- a/src/com/android/launcher3/AppWidgetResizeFrame.java
+++ b/src/com/android/launcher3/AppWidgetResizeFrame.java
@@ -360,6 +360,37 @@
             lp.y = sTmpRect.top;
         }
 
+        // Handle invalid resize across CellLayouts in the two panel UI.
+        if (mCellLayout.getParent() instanceof Workspace) {
+            Workspace<?> workspace = (Workspace<?>) mCellLayout.getParent();
+            CellLayout pairedCellLayout = workspace.getScreenPair(mCellLayout);
+            if (pairedCellLayout != null) {
+                Rect focusedCellLayoutBound = sTmpRect;
+                mDragLayerRelativeCoordinateHelper.viewToRect(mCellLayout, focusedCellLayoutBound);
+                Rect resizeFrameBound = sTmpRect2;
+                findViewById(R.id.widget_resize_frame).getGlobalVisibleRect(resizeFrameBound);
+                float progress = 1f;
+                if (workspace.indexOfChild(pairedCellLayout) < workspace.indexOfChild(mCellLayout)
+                        && mDeltaX < 0
+                        && resizeFrameBound.left < focusedCellLayoutBound.left) {
+                    // Resize from right to left.
+                    progress = (mDragAcrossTwoPanelOpacityMargin + mDeltaX)
+                            / mDragAcrossTwoPanelOpacityMargin;
+                } else if (workspace.indexOfChild(pairedCellLayout)
+                                > workspace.indexOfChild(mCellLayout)
+                        && mDeltaX > 0
+                        && resizeFrameBound.right > focusedCellLayoutBound.right) {
+                    // Resize from left to right.
+                    progress = (mDragAcrossTwoPanelOpacityMargin - mDeltaX)
+                            / mDragAcrossTwoPanelOpacityMargin;
+                }
+                float alpha = Math.max(MIN_OPACITY_FOR_CELL_LAYOUT_DURING_INVALID_RESIZE, progress);
+                float springLoadedProgress = Math.min(1f, 1f - progress);
+                updateInvalidResizeEffect(mCellLayout, pairedCellLayout, alpha,
+                        springLoadedProgress);
+            }
+        }
+
         requestLayout();
     }
 
@@ -516,6 +547,13 @@
         }
 
         final DragLayer.LayoutParams lp = (DragLayer.LayoutParams) getLayoutParams();
+        final CellLayout pairedCellLayout;
+        if (mCellLayout.getParent() instanceof Workspace) {
+            Workspace<?> workspace = (Workspace<?>) mCellLayout.getParent();
+            pairedCellLayout = workspace.getScreenPair(mCellLayout);
+        } else {
+            pairedCellLayout = null;
+        }
         if (!animate) {
             lp.width = newWidth;
             lp.height = newHeight;
@@ -524,6 +562,10 @@
             for (int i = 0; i < HANDLE_COUNT; i++) {
                 mDragHandles[i].setAlpha(1f);
             }
+            if (pairedCellLayout != null) {
+                updateInvalidResizeEffect(mCellLayout, pairedCellLayout, /* alpha= */ 1f,
+                        /* springLoadedProgress= */ 0f);
+            }
             requestLayout();
         } else {
             ObjectAnimator oa = ObjectAnimator.ofPropertyValuesHolder(lp,
@@ -539,6 +581,10 @@
                 set.play(mFirstFrameAnimatorHelper.addTo(
                         ObjectAnimator.ofFloat(mDragHandles[i], ALPHA, 1f)));
             }
+            if (pairedCellLayout != null) {
+                updateInvalidResizeEffect(mCellLayout, pairedCellLayout, /* alpha= */ 1f,
+                        /* springLoadedProgress= */ 0f, /* animatorSet= */ set);
+            }
             set.setDuration(SNAP_DURATION);
             set.start();
         }
diff --git a/src/com/android/launcher3/DeviceProfile.java b/src/com/android/launcher3/DeviceProfile.java
index 9a3480b..7ece9a4 100644
--- a/src/com/android/launcher3/DeviceProfile.java
+++ b/src/com/android/launcher3/DeviceProfile.java
@@ -56,8 +56,10 @@
 import com.android.launcher3.responsive.AllAppsSpecs;
 import com.android.launcher3.responsive.CalculatedAllAppsSpec;
 import com.android.launcher3.responsive.CalculatedFolderSpec;
+import com.android.launcher3.responsive.CalculatedHotseatSpec;
 import com.android.launcher3.responsive.CalculatedWorkspaceSpec;
 import com.android.launcher3.responsive.FolderSpecs;
+import com.android.launcher3.responsive.HotseatSpecs;
 import com.android.launcher3.responsive.WorkspaceSpecs;
 import com.android.launcher3.uioverrides.ApiWrapper;
 import com.android.launcher3.util.DisplayController;
@@ -121,6 +123,7 @@
     private CalculatedAllAppsSpec mAllAppsResponsiveHeightSpec;
     private CalculatedFolderSpec mResponsiveFolderWidthSpec;
     private CalculatedFolderSpec mResponsiveFolderHeightSpec;
+    private CalculatedHotseatSpec mResponsiveHotseatSpec;
 
     /**
      * The maximum amount of left/right workspace padding as a percentage of the screen width.
@@ -316,7 +319,8 @@
         // TODO(b/241386436): shouldn't change any launcher behaviour
         mIsResponsiveGrid = inv.workspaceSpecsId != INVALID_RESOURCE_HANDLE
                 && inv.allAppsSpecsId != INVALID_RESOURCE_HANDLE
-                && inv.folderSpecsId != INVALID_RESOURCE_HANDLE;
+                && inv.folderSpecsId != INVALID_RESOURCE_HANDLE
+                && inv.hotseatSpecsId != INVALID_RESOURCE_HANDLE;
 
         mIsScalableGrid = inv.isScalable && !isVerticalBarLayout() && !isMultiWindowMode;
         // Determine device posture.
@@ -495,7 +499,17 @@
 
         int hotseatBarBottomSpace = pxFromDp(inv.hotseatBarBottomSpace[mTypeIndex], mMetrics);
         int minQsbMargin = res.getDimensionPixelSize(R.dimen.min_qsb_margin);
-        hotseatQsbSpace = pxFromDp(inv.hotseatQsbSpace[mTypeIndex], mMetrics);
+
+        if (mIsResponsiveGrid) {
+            HotseatSpecs hotseatSpecs =
+                    HotseatSpecs.create(new ResourceHelper(context,
+                            isTwoPanels ? inv.hotseatSpecsTwoPanelId : inv.hotseatSpecsId));
+            mResponsiveHotseatSpec = hotseatSpecs.getCalculatedHeightSpec(heightPx);
+            hotseatQsbSpace = mResponsiveHotseatSpec.getHotseatQsbSpace();
+        } else {
+            hotseatQsbSpace = pxFromDp(inv.hotseatQsbSpace[mTypeIndex], mMetrics);
+        }
+
         // Have a little space between the inset and the QSB
         if (mInsets.bottom + minQsbMargin > hotseatBarBottomSpace) {
             int availableSpace = hotseatQsbSpace - (mInsets.bottom - hotseatBarBottomSpace);
@@ -584,11 +598,13 @@
         overviewTaskIconDrawableSizeGridPx =
                 res.getDimensionPixelSize(R.dimen.task_thumbnail_icon_drawable_size_grid);
         overviewTaskThumbnailTopMarginPx = overviewTaskIconSizePx + overviewTaskMarginPx;
-        overviewActionsTopMarginPx = res.getDimensionPixelSize(R.dimen.overview_actions_top_margin);
+        // Don't add margin with floating search bar to minimize risk of overlapping.
+        overviewActionsTopMarginPx = FeatureFlags.ENABLE_FLOATING_SEARCH_BAR.get() ? 0
+                : res.getDimensionPixelSize(R.dimen.overview_actions_top_margin);
         overviewPageSpacing = res.getDimensionPixelSize(R.dimen.overview_page_spacing);
         overviewActionsButtonSpacing = res.getDimensionPixelSize(
                 R.dimen.overview_actions_button_spacing);
-        overviewActionsHeight = res.getDimensionPixelSize(R.dimen.overview_actions_size);
+        overviewActionsHeight = res.getDimensionPixelSize(R.dimen.overview_actions_height);
         overviewRowSpacing = res.getDimensionPixelSize(R.dimen.overview_grid_row_spacing);
         overviewGridSideMargin = res.getDimensionPixelSize(R.dimen.overview_grid_side_margin);
 
@@ -616,6 +632,10 @@
         // Hotseat and QSB width depends on updated cellSize and workspace padding
         recalculateHotseatWidthAndBorderSpace();
 
+        if (mIsResponsiveGrid && isVerticalBarLayout()) {
+            hotseatBorderSpace = cellLayoutBorderSpacePx.y;
+        }
+
         // AllApps height calculation depends on updated cellSize
         if (isTablet) {
             int collapseHandleHeight =
@@ -715,7 +735,7 @@
     /** Updates hotseatCellHeightPx and hotseatBarSizePx */
     private void updateHotseatSizes(int hotseatIconSizePx) {
         // Ensure there is enough space for folder icons, which have a slightly larger radius.
-        hotseatCellHeightPx = (int) Math.ceil(hotseatIconSizePx * ICON_OVERLAP_FACTOR);
+        hotseatCellHeightPx = getIconSizeWithOverlap(hotseatIconSizePx);
 
         if (isVerticalBarLayout()) {
             hotseatBarSizePx = hotseatIconSizePx + hotseatBarSidePaddingStartPx
@@ -781,7 +801,6 @@
             hotseatBorderSpace = calculateHotseatBorderSpace(maxHotseatIconsWidthPx,
                     (isQsbInline ? 1 : 0) + /* border between nav buttons and first icon */ 1);
         } while (hotseatBorderSpace < mMinHotseatIconSpacePx && numShownHotseatIcons > 1);
-
     }
 
     private Point getCellLayoutBorderSpace(InvariantDeviceProfile idp) {
@@ -864,11 +883,24 @@
         float workspaceCellPaddingY = getCellSize().y - iconSizePx - iconDrawablePaddingPx
                 - iconTextHeight;
 
+        if (mIsResponsiveGrid) {
+            // Hide text only if doesn't fit inside the cell for responsive grid
+            if (workspaceCellPaddingY < 0) {
+                iconTextSizePx = 0;
+                iconDrawablePaddingPx = 0;
+                int iconSizeWithOverlap = getIconSizeWithOverlap(iconSizePx);
+                cellYPaddingPx = Math.max(0, getCellSize().y - iconSizeWithOverlap) / 2;
+                autoResizeAllAppsCells();
+            }
+
+            return;
+        }
+
         // We want enough space so that the text is closer to its corresponding icon.
         if (workspaceCellPaddingY < iconTextHeight) {
             iconTextSizePx = 0;
             iconDrawablePaddingPx = 0;
-            cellHeightPx = (int) Math.ceil(iconSizePx * ICON_OVERLAP_FACTOR);
+            cellHeightPx = getIconSizeWithOverlap(iconSizePx);
             autoResizeAllAppsCells();
         }
     }
@@ -948,6 +980,10 @@
         return Math.max(0, drawablePadding - iconSizeDiff / 2);
     }
 
+    private int getIconSizeWithOverlap(int iconSize) {
+        return (int) Math.ceil(iconSize * ICON_OVERLAP_FACTOR);
+    }
+
     /**
      * Updating the iconSize affects many aspects of the launcher layout, such as: iconSizePx,
      * iconTextSizePx, iconDrawablePaddingPx, cellWidth/Height, allApps* variants,
@@ -1050,7 +1086,7 @@
         } else {
             iconDrawablePaddingPx = (int) (getNormalizedIconDrawablePadding() * iconScale);
             cellWidthPx = iconSizePx + iconDrawablePaddingPx;
-            cellHeightPx = (int) Math.ceil(iconSizePx * ICON_OVERLAP_FACTOR)
+            cellHeightPx = getIconSizeWithOverlap(iconSizePx)
                     + iconDrawablePaddingPx
                     + Utilities.calculateTextHeight(iconTextSizePx);
             int cellPaddingY = (getCellSize().y - cellHeightPx) / 2;
@@ -1105,7 +1141,6 @@
         return Math.min(hotseatBorderSpacePx, mMaxHotseatIconSpacePx);
     }
 
-
     /**
      * Updates the iconSize for allApps* variants.
      */
@@ -1453,14 +1488,26 @@
     private void updateWorkspacePadding() {
         Rect padding = workspacePadding;
         if (isVerticalBarLayout()) {
-            padding.top = 0;
-            padding.bottom = edgeMarginPx;
-            if (isSeascape()) {
-                padding.left = hotseatBarSizePx;
-                padding.right = hotseatBarSidePaddingStartPx;
+            if (mIsResponsiveGrid) {
+                padding.top = mResponsiveHeightSpec.getStartPaddingPx();
+                padding.bottom = mResponsiveHeightSpec.getEndPaddingPx();
+                if (isSeascape()) {
+                    padding.left = hotseatBarSizePx + mResponsiveWidthSpec.getEndPaddingPx();
+                    padding.right = mResponsiveWidthSpec.getStartPaddingPx();
+                } else {
+                    padding.left = mResponsiveWidthSpec.getStartPaddingPx();
+                    padding.right = hotseatBarSizePx + mResponsiveWidthSpec.getEndPaddingPx();
+                }
             } else {
-                padding.left = hotseatBarSidePaddingStartPx;
-                padding.right = hotseatBarSizePx;
+                padding.top = 0;
+                padding.bottom = edgeMarginPx;
+                if (isSeascape()) {
+                    padding.left = hotseatBarSizePx;
+                    padding.right = hotseatBarSidePaddingStartPx;
+                } else {
+                    padding.left = hotseatBarSidePaddingStartPx;
+                    padding.right = hotseatBarSizePx;
+                }
             }
         } else {
             // Pad the bottom of the workspace with hotseat bar
@@ -1503,7 +1550,9 @@
             // in vertical bar layout.
             // Workspace icons are moved up by a small factor. The variable diffOverlapFactor
             // is set to account for that difference.
-            float diffOverlapFactor = iconSizePx * (ICON_OVERLAP_FACTOR - 1) / 2;
+            float diffOverlapFactor = mIsResponsiveGrid ? 0
+                    : iconSizePx * (ICON_OVERLAP_FACTOR - 1) / 2;
+
             int paddingTop = Math.max((int) (mInsets.top + cellLayoutPaddingPx.top
                     - diffOverlapFactor), 0);
             int paddingBottom = Math.max((int) (mInsets.bottom + cellLayoutPaddingPx.bottom
@@ -1950,6 +1999,7 @@
                     + mAllAppsResponsiveWidthSpec.toString());
             writer.println(prefix + "\tmResponsiveFolderHeightSpec:" + mResponsiveFolderHeightSpec);
             writer.println(prefix + "\tmResponsiveFolderWidthSpec:" + mResponsiveFolderWidthSpec);
+            writer.println(prefix + "\tmResponsiveHotseatSpec:" + mResponsiveHotseatSpec);
         }
     }
 
diff --git a/src/com/android/launcher3/InvariantDeviceProfile.java b/src/com/android/launcher3/InvariantDeviceProfile.java
index dac6120..be14844 100644
--- a/src/com/android/launcher3/InvariantDeviceProfile.java
+++ b/src/com/android/launcher3/InvariantDeviceProfile.java
@@ -18,6 +18,7 @@
 
 import static com.android.launcher3.LauncherPrefs.GRID_NAME;
 import static com.android.launcher3.Utilities.dpiFromPx;
+import static com.android.launcher3.config.FeatureFlags.ENABLE_TWO_PANEL_HOME;
 import static com.android.launcher3.testing.shared.ResourceUtils.INVALID_RESOURCE_HANDLE;
 import static com.android.launcher3.util.DisplayController.CHANGE_DENSITY;
 import static com.android.launcher3.util.DisplayController.CHANGE_NAVIGATION_MODE;
@@ -189,6 +190,8 @@
     public int folderSpecsId = INVALID_RESOURCE_HANDLE;
     @XmlRes
     public int folderSpecsTwoPanelId = INVALID_RESOURCE_HANDLE;
+    public int hotseatSpecsId = INVALID_RESOURCE_HANDLE;
+    public int hotseatSpecsTwoPanelId = INVALID_RESOURCE_HANDLE;
 
     public String dbFile;
     public int defaultLayoutId;
@@ -311,7 +314,7 @@
         int type = displayInfo.supportedBounds.stream()
                 .mapToInt(bounds -> displayInfo.isTablet(bounds) ? flagTablet : flagPhone)
                 .reduce(0, (a, b) -> a | b);
-        if ((type == (flagPhone | flagTablet))) {
+        if ((type == (flagPhone | flagTablet)) && ENABLE_TWO_PANEL_HOME.get()) {
             // device has profiles supporting both phone and table modes
             return TYPE_MULTI_DISPLAY;
         } else if (type == flagTablet) {
@@ -368,6 +371,8 @@
         allAppsSpecsTwoPanelId = closestProfile.mAllAppsSpecsTwoPanelId;
         folderSpecsId = closestProfile.mFolderSpecsId;
         folderSpecsTwoPanelId = closestProfile.mFolderSpecsTwoPanelId;
+        hotseatSpecsId = closestProfile.mHotseatSpecsId;
+        hotseatSpecsTwoPanelId = closestProfile.mHotseatSpecsTwoPanelId;
         this.deviceType = deviceType;
 
         inlineNavButtonsEndSpacing = closestProfile.inlineNavButtonsEndSpacing;
@@ -819,6 +824,8 @@
         private final int mAllAppsSpecsTwoPanelId;
         private final int mFolderSpecsId;
         private final int mFolderSpecsTwoPanelId;
+        private final int mHotseatSpecsId;
+        private final int mHotseatSpecsTwoPanelId;
 
         public GridOption(Context context, AttributeSet attrs) {
             TypedArray a = context.obtainStyledAttributes(
@@ -896,6 +903,11 @@
                 mFolderSpecsTwoPanelId = a.getResourceId(
                         R.styleable.GridDisplayOption_folderSpecsTwoPanelId,
                         INVALID_RESOURCE_HANDLE);
+                mHotseatSpecsId = a.getResourceId(
+                        R.styleable.GridDisplayOption_hotseatSpecsId, INVALID_RESOURCE_HANDLE);
+                mHotseatSpecsTwoPanelId = a.getResourceId(
+                        R.styleable.GridDisplayOption_hotseatSpecsTwoPanelId,
+                        INVALID_RESOURCE_HANDLE);
             } else {
                 mWorkspaceSpecsId = INVALID_RESOURCE_HANDLE;
                 mWorkspaceSpecsTwoPanelId = INVALID_RESOURCE_HANDLE;
@@ -903,6 +915,8 @@
                 mAllAppsSpecsTwoPanelId = INVALID_RESOURCE_HANDLE;
                 mFolderSpecsId = INVALID_RESOURCE_HANDLE;
                 mFolderSpecsTwoPanelId = INVALID_RESOURCE_HANDLE;
+                mHotseatSpecsId = INVALID_RESOURCE_HANDLE;
+                mHotseatSpecsTwoPanelId = INVALID_RESOURCE_HANDLE;
             }
 
             int inlineForRotation = a.getInt(R.styleable.GridDisplayOption_inlineQsb,
diff --git a/src/com/android/launcher3/Launcher.java b/src/com/android/launcher3/Launcher.java
index 6df9aab..d0a2576 100644
--- a/src/com/android/launcher3/Launcher.java
+++ b/src/com/android/launcher3/Launcher.java
@@ -44,6 +44,7 @@
 import static com.android.launcher3.LauncherState.SPRING_LOADED;
 import static com.android.launcher3.Utilities.postAsyncCallback;
 import static com.android.launcher3.accessibility.LauncherAccessibilityDelegate.getSupportedActions;
+import static com.android.launcher3.config.FeatureFlags.FOLDABLE_SINGLE_PAGE;
 import static com.android.launcher3.config.FeatureFlags.MULTI_SELECT_EDIT_MODE;
 import static com.android.launcher3.config.FeatureFlags.SHOW_DOT_PAGINATION;
 import static com.android.launcher3.logging.StatsLogManager.EventEnum;
@@ -145,6 +146,7 @@
 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 +727,23 @@
 
     @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) {
@@ -760,7 +767,7 @@
         }
 
         onDeviceProfileInitiated();
-        if (mDeviceProfile.isTwoPanels) {
+        if (FOLDABLE_SINGLE_PAGE.get() && mDeviceProfile.isTwoPanels) {
             mCellPosMapper = new TwoPanelCellPosMapper(mDeviceProfile.inv.numColumns);
         } else {
             mCellPosMapper = CellPosMapper.DEFAULT;
@@ -2446,9 +2453,9 @@
                     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 +3397,12 @@
     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/Workspace.java b/src/com/android/launcher3/Workspace.java
index b141e18..adaf20f 100644
--- a/src/com/android/launcher3/Workspace.java
+++ b/src/com/android/launcher3/Workspace.java
@@ -28,6 +28,7 @@
 import static com.android.launcher3.LauncherState.SPRING_LOADED;
 import static com.android.launcher3.MotionEventsUtils.isTrackpadMultiFingerSwipe;
 import static com.android.launcher3.anim.AnimatorListeners.forSuccessCallback;
+import static com.android.launcher3.config.FeatureFlags.FOLDABLE_SINGLE_PAGE;
 import static com.android.launcher3.logging.StatsLogManager.LAUNCHER_STATE_HOME;
 import static com.android.launcher3.logging.StatsLogManager.LauncherEvent.LAUNCHER_SWIPELEFT;
 import static com.android.launcher3.logging.StatsLogManager.LauncherEvent.LAUNCHER_SWIPERIGHT;
@@ -126,6 +127,7 @@
 import com.android.systemui.plugins.shared.LauncherOverlayManager.LauncherOverlayCallbacks;
 
 import java.util.ArrayList;
+import java.util.Iterator;
 import java.util.List;
 import java.util.function.Consumer;
 import java.util.function.Predicate;
@@ -501,14 +503,19 @@
                 .log(LauncherEvent.LAUNCHER_ITEM_DRAG_STARTED);
     }
 
-    public void deferRemoveExtraEmptyScreen() {
-        mDeferRemoveExtraEmptyScreen = true;
+    private boolean isTwoPanelEnabled() {
+        return !FOLDABLE_SINGLE_PAGE.get() && mLauncher.mDeviceProfile.isTwoPanels;
     }
 
     @Override
     public int getPanelCount() {
-        return super.getPanelCount();
+        return isTwoPanelEnabled() ? 2 : super.getPanelCount();
     }
+
+    public void deferRemoveExtraEmptyScreen() {
+        mDeferRemoveExtraEmptyScreen = true;
+    }
+
     @Override
     public void onDragEnd() {
         if (ENFORCE_DRAG_EVENT_ORDER) {
@@ -661,7 +668,7 @@
         // created CellLayout.
         DeviceProfile dp = mLauncher.getDeviceProfile();
         CellLayout newScreen;
-        if (dp.isTwoPanels) {
+        if (FOLDABLE_SINGLE_PAGE.get() && dp.isTwoPanels) {
             newScreen = (CellLayout) LayoutInflater.from(getContext()).inflate(
                     R.layout.workspace_screen_foldable, this, false /* attachToRoot */);
         } else {
@@ -686,6 +693,15 @@
 
         if (mDragSourceInternal != null) {
             int dragSourceChildCount = mDragSourceInternal.getChildCount();
+
+            // If the icon was dragged from Hotseat, there is no page pair
+            if (isTwoPanelEnabled() && !(mDragSourceInternal.getParent() instanceof Hotseat)) {
+                int pagePairScreenId = getScreenPair(getCellPosMapper().mapModelToPresenter(
+                        dragObject.dragInfo).screenId);
+                CellLayout pagePair = mWorkspaceScreens.get(pagePairScreenId);
+                dragSourceChildCount += pagePair.getShortcutsAndWidgets().getChildCount();
+            }
+
             // When the drag view content is a LauncherAppWidgetHostView, we should increment the
             // drag source child count by 1 because the widget in drag has been detached from its
             // original parent, ShortcutAndWidgetContainer, and reattached to the DragView.
@@ -696,6 +712,11 @@
             if (dragSourceChildCount == 1) {
                 lastChildOnScreen = true;
             }
+            CellLayout cl = (CellLayout) mDragSourceInternal.getParent();
+            if (!FOLDABLE_SINGLE_PAGE.get() && getLeftmostVisiblePageForIndex(indexOfChild(cl))
+                    == getLeftmostVisiblePageForIndex(getPageCount() - 1)) {
+                childOnFinalScreen = true;
+            }
         }
 
         // If this is the last item on the final screen
@@ -730,6 +751,9 @@
      */
     private void forEachExtraEmptyPageId(Consumer<Integer> callback) {
         callback.accept(EXTRA_EMPTY_SCREEN_ID);
+        if (isTwoPanelEnabled()) {
+            callback.accept(EXTRA_EMPTY_SCREEN_SECOND_ID);
+        }
     }
 
     /**
@@ -843,7 +867,9 @@
 
     public boolean hasExtraEmptyScreens() {
         return mWorkspaceScreens.containsKey(EXTRA_EMPTY_SCREEN_ID)
-                && getChildCount() > getPanelCount();
+                && getChildCount() > getPanelCount()
+                && (!isTwoPanelEnabled()
+                || mWorkspaceScreens.containsKey(EXTRA_EMPTY_SCREEN_SECOND_ID));
     }
 
     /**
@@ -949,7 +975,14 @@
      */
     @Nullable
     public CellLayout getScreenPair(CellLayout cellLayout) {
-        return null;
+        if (!isTwoPanelEnabled()) {
+            return null;
+        }
+        int screenId = getIdForScreen(cellLayout);
+        if (screenId == -1) {
+            return null;
+        }
+        return getScreenWithId(getScreenPair(screenId));
     }
 
     public void stripEmptyScreens() {
@@ -977,6 +1010,22 @@
             }
         }
 
+        // When two panel home is enabled we only remove an empty page if both visible pages are
+        // empty.
+        if (isTwoPanelEnabled()) {
+            // We go through all the pages that were marked as removable and check their page pair
+            Iterator<Integer> removeScreensIterator = removeScreens.iterator();
+            while (removeScreensIterator.hasNext()) {
+                int pageToRemove = removeScreensIterator.next();
+                int pagePair = getScreenPair(pageToRemove);
+                if (!removeScreens.contains(pagePair)) {
+                    // The page pair isn't empty so we want to remove the current page from the
+                    // removable pages' collection
+                    removeScreensIterator.remove();
+                }
+            }
+        }
+
         // We enforce at least one page (two pages on two panel home) to add new items to.
         // In the case that we remove the last such screen(s), we convert the last screen(s)
         // to the empty screen(s)
@@ -997,7 +1046,12 @@
                 removeView(cl);
             } else {
                 // The last page(s) should be converted into extra empty page(s)
-                int extraScreenId = EXTRA_EMPTY_SCREEN_ID;
+                int extraScreenId = isTwoPanelEnabled() && id % 2 == 1
+                        // This is the right panel in a two panel scenario
+                        ? EXTRA_EMPTY_SCREEN_SECOND_ID
+                        // This is either the last screen in a one panel scenario, or the left panel
+                        // in a two panel scenario when there are only two empty pages left
+                        : EXTRA_EMPTY_SCREEN_ID;
                 mWorkspaceScreens.put(extraScreenId, cl);
                 mScreenOrder.add(extraScreenId);
             }
@@ -2518,7 +2572,8 @@
         // Go through the pages and check if the dragged item is inside one of them. This block
         // is responsible for determining whether we need to snap to a different screen.
         int nextPage = getNextPage();
-        IntSet pageIndexesToVerify = IntSet.wrap(nextPage - 1, nextPage + 1);
+        IntSet pageIndexesToVerify = IntSet.wrap(nextPage - 1,
+                nextPage + (isTwoPanelEnabled() ? 2 : 1));
 
         for (int pageIndex : pageIndexesToVerify) {
             // When deciding whether to perform a page switch, we need to consider the most
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..7ca6c70 100644
--- a/src/com/android/launcher3/config/FeatureFlags.java
+++ b/src/com/android/launcher3/config/FeatureFlags.java
@@ -83,11 +83,11 @@
      */
     // TODO(Block 1): Clean up flags
     public static final BooleanFlag ENABLE_SEARCH_RESULT_BACKGROUND_DRAWABLES = getReleaseFlag(
-            270394041, "ENABLE_SEARCH_RESULT_BACKGROUND_DRAWABLES", TEAMFOOD,
+            270394041, "ENABLE_SEARCH_RESULT_BACKGROUND_DRAWABLES", ENABLED,
             "Enable option to replace decorator-based search result backgrounds with drawables");
 
     public static final BooleanFlag ENABLE_SEARCH_RESULT_LAUNCH_TRANSITION = getReleaseFlag(
-            270394392, "ENABLE_SEARCH_RESULT_LAUNCH_TRANSITION", TEAMFOOD,
+            270394392, "ENABLE_SEARCH_RESULT_LAUNCH_TRANSITION", ENABLED,
             "Enable option to launch search results using the new view container transitions");
 
     // TODO(Block 2): Clean up flags
@@ -183,6 +183,17 @@
             "Enables predictive back animation from all apps and widgets to home");
 
     // TODO(Block 11): Clean up flags
+    public static final BooleanFlag ENABLE_TWO_PANEL_HOME = getDebugFlag(270392643,
+            "ENABLE_TWO_PANEL_HOME", ENABLED,
+            "Uses two panel on home screen. Only applicable on large screen devices.");
+
+    public static final BooleanFlag FOLDABLE_WORKSPACE_REORDER = getDebugFlag(270395070,
+            "FOLDABLE_WORKSPACE_REORDER", DISABLED,
+            "In foldables, when reordering the icons and widgets, is now going to use both sides");
+
+    public static final BooleanFlag FOLDABLE_SINGLE_PAGE = getDebugFlag(270395274,
+            "FOLDABLE_SINGLE_PAGE", ENABLED, "Use a single page for the workspace");
+
     public static final BooleanFlag ENABLE_PARAMETRIZE_REORDER = getDebugFlag(289420844,
             "ENABLE_PARAMETRIZE_REORDER", DISABLED,
             "Enables generating the reorder using a set of parameters");
@@ -245,7 +256,7 @@
             "Inject fallback app corpus result when AiAi fails to return it.");
 
     public static final BooleanFlag ENABLE_LONG_PRESS_NAV_HANDLE =
-            getDebugFlag(282993230, "ENABLE_LONG_PRESS_NAV_HANDLE", DISABLED,
+            getReleaseFlag(282993230, "ENABLE_LONG_PRESS_NAV_HANDLE", TEAMFOOD,
                     "Enables long pressing on the bottom bar nav handle to trigger events.");
 
     // TODO(Block 17): Clean up flags
@@ -277,6 +288,10 @@
             "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");
@@ -359,13 +374,17 @@
 
     // 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(
             270393453, "ENABLE_SPLIT_FROM_WORKSPACE_TO_WORKSPACE", TEAMFOOD,
             "Enable initiating split screen from workspace to workspace.");
 
+    public static final BooleanFlag ENABLE_SPLIT_FROM_DESKTOP_TO_WORKSPACE = getDebugFlag(
+            279586624, "ENABLE_SPLIT_FROM_DESKTOP_TO_WORKSPACE", DISABLED,
+            "Enable initiating split screen from desktop mode to workspace.");
+
     public static final BooleanFlag ENABLE_TRACKPAD_GESTURE = getDebugFlag(271010401,
             "ENABLE_TRACKPAD_GESTURE", ENABLED, "Enables trackpad gesture.");
 
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..780cb5e 100644
--- a/src/com/android/launcher3/logging/StatsLogManager.java
+++ b/src/com/android/launcher3/logging/StatsLogManager.java
@@ -621,6 +621,9 @@
         @UiEvent(doc = "User has invoked split to left half with a keyboard shortcut.")
         LAUNCHER_KEYBOARD_SHORTCUT_SPLIT_LEFT_TOP(1233),
 
+        @UiEvent(doc = "User has invoked split to right half with desktop mode app icon")
+        LAUNCHER_DESKTOP_MODE_SPLIT_RIGHT_BOTTOM(1412),
+
         @UiEvent(doc = "User has collapsed the work FAB button by scrolling down in the all apps"
                 + " work A-Z list.")
         LAUNCHER_WORK_FAB_BUTTON_COLLAPSE(1276),
@@ -641,11 +644,17 @@
         @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/responsive/HotseatSpecs.kt b/src/com/android/launcher3/responsive/HotseatSpecs.kt
new file mode 100644
index 0000000..482508d
--- /dev/null
+++ b/src/com/android/launcher3/responsive/HotseatSpecs.kt
@@ -0,0 +1,122 @@
+/*
+ * 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.responsive
+
+import android.content.res.TypedArray
+import android.util.Log
+import com.android.launcher3.R
+import com.android.launcher3.util.ResourceHelper
+
+class HotseatSpecs(val specs: List<HotseatSpec>) {
+
+    fun getCalculatedHeightSpec(availableHeight: Int): CalculatedHotseatSpec {
+        val spec = specs.firstOrNull { availableHeight <= it.maxAvailableSize }
+        check(spec != null) { "No available height spec found within $availableHeight." }
+        return CalculatedHotseatSpec(availableHeight, spec)
+    }
+
+    companion object {
+        private const val XML_HOTSEAT_SPEC = "hotseatSpec"
+
+        @JvmStatic
+        fun create(resourceHelper: ResourceHelper): HotseatSpecs {
+            val parser = ResponsiveSpecsParser(resourceHelper)
+            val specs = parser.parseXML(XML_HOTSEAT_SPEC, ::HotseatSpec)
+            return HotseatSpecs(specs.filter { it.specType == ResponsiveSpec.SpecType.HEIGHT })
+        }
+    }
+}
+
+data class HotseatSpec(
+    val maxAvailableSize: Int,
+    val specType: ResponsiveSpec.SpecType,
+    val hotseatQsbSpace: SizeSpec
+) {
+
+    init {
+        check(isValid()) { "Invalid HotseatSpec found." }
+    }
+
+    constructor(
+        attrs: TypedArray,
+        specs: Map<String, SizeSpec>
+    ) : this(
+        maxAvailableSize =
+            attrs.getDimensionPixelSize(R.styleable.ResponsiveSpec_maxAvailableSize, 0),
+        specType =
+            ResponsiveSpec.SpecType.values()[
+                    attrs.getInt(
+                        R.styleable.ResponsiveSpec_specType,
+                        ResponsiveSpec.SpecType.HEIGHT.ordinal
+                    )],
+        hotseatQsbSpace = specs.getOrError(SizeSpec.XmlTags.HOTSEAT_QSB_SPACE)
+    )
+
+    fun isValid(): Boolean {
+        if (maxAvailableSize <= 0) {
+            Log.e(LOG_TAG, "${this::class.simpleName}#isValid - maxAvailableSize <= 0")
+            return false
+        }
+
+        // All specs need to be individually valid
+        if (!allSpecsAreValid()) {
+            Log.e(LOG_TAG, "${this::class.simpleName}#isValid - !allSpecsAreValid()")
+            return false
+        }
+
+        return true
+    }
+
+    private fun allSpecsAreValid(): Boolean {
+        return hotseatQsbSpace.isValid() && hotseatQsbSpace.onlyFixedSize()
+    }
+
+    companion object {
+        private const val LOG_TAG = "HotseatSpec"
+    }
+}
+
+class CalculatedHotseatSpec(val availableSpace: Int, val spec: HotseatSpec) {
+
+    var hotseatQsbSpace: Int = 0
+        private set
+
+    init {
+        hotseatQsbSpace = spec.hotseatQsbSpace.getCalculatedValue(availableSpace)
+    }
+
+    override fun hashCode(): Int {
+        var result = availableSpace.hashCode()
+        result = 31 * result + hotseatQsbSpace.hashCode()
+        result = 31 * result + spec.hashCode()
+        return result
+    }
+
+    override fun equals(other: Any?): Boolean {
+        return other is CalculatedHotseatSpec &&
+            availableSpace == other.availableSpace &&
+            hotseatQsbSpace == other.hotseatQsbSpace &&
+            spec == other.spec
+    }
+
+    override fun toString(): String {
+        return "${this::class.simpleName}(" +
+            "availableSpace=$availableSpace, hotseatQsbSpace=$hotseatQsbSpace, " +
+            "${spec::class.simpleName}.maxAvailableSize=${spec.maxAvailableSize}" +
+            ")"
+    }
+}
diff --git a/src/com/android/launcher3/responsive/SizeSpec.kt b/src/com/android/launcher3/responsive/SizeSpec.kt
index d3868f0..c868c9f 100644
--- a/src/com/android/launcher3/responsive/SizeSpec.kt
+++ b/src/com/android/launcher3/responsive/SizeSpec.kt
@@ -107,11 +107,20 @@
         return true
     }
 
+    fun onlyFixedSize(): Boolean {
+        if (ofAvailableSpace > 0 || ofRemainderSpace > 0 || matchWorkspace) {
+            Log.e(TAG, "SizeSpec#onlyFixedSize - only fixed size allowed for this tag")
+            return false
+        }
+        return true
+    }
+
     object XmlTags {
         const val START_PADDING = "startPadding"
         const val END_PADDING = "endPadding"
         const val GUTTER = "gutter"
         const val CELL_SIZE = "cellSize"
+        const val HOTSEAT_QSB_SPACE = "hotseatQsbSpace"
     }
 
     companion object {
diff --git a/src/com/android/launcher3/statemanager/StateManager.java b/src/com/android/launcher3/statemanager/StateManager.java
index b1586dc..360ff7e 100644
--- a/src/com/android/launcher3/statemanager/StateManager.java
+++ b/src/com/android/launcher3/statemanager/StateManager.java
@@ -27,6 +27,7 @@
 import android.animation.AnimatorSet;
 import android.os.Handler;
 import android.os.Looper;
+import android.util.Log;
 
 import androidx.annotation.FloatRange;
 
@@ -35,6 +36,7 @@
 import com.android.launcher3.anim.PendingAnimation;
 import com.android.launcher3.states.StateAnimationConfig;
 import com.android.launcher3.states.StateAnimationConfig.AnimationFlags;
+import com.android.launcher3.testing.shared.TestProtocol;
 
 import java.io.PrintWriter;
 import java.util.ArrayList;
@@ -225,6 +227,8 @@
 
     private void goToState(
             STATE_TYPE state, boolean animated, long delay, AnimatorListener listener) {
+        Log.d(TestProtocol.OVERVIEW_OVER_HOME, "go to state " + state);
+
         animated &= areAnimatorsEnabled();
         if (mActivity.isInState(state)) {
             if (mConfig.currentAnimation == null) {
@@ -379,6 +383,8 @@
         mState = state;
         mActivity.onStateSetStart(mState);
 
+        Log.d(TestProtocol.OVERVIEW_OVER_HOME, "Notifying listeners for state transition start"
+                + " to state: " + state.toString());
         for (int i = mListeners.size() - 1; i >= 0; i--) {
             mListeners.get(i).onStateTransitionStart(state);
         }
@@ -396,6 +402,8 @@
             setRestState(null);
         }
 
+        Log.d(TestProtocol.OVERVIEW_OVER_HOME, "Notifying " + mListeners.size() + " listeners "
+                + "for end transition for state: " + state.toString());
         for (int i = mListeners.size() - 1; i >= 0; i--) {
             mListeners.get(i).onStateTransitionComplete(state);
         }
@@ -433,6 +441,7 @@
      * Cancels the current animation.
      */
     public void cancelAnimation() {
+        Log.d(TestProtocol.OVERVIEW_OVER_HOME, "current animation cancelled");
         mConfig.reset();
         // It could happen that a new animation is set as a result of an endListener on the
         // existing animation.
@@ -456,6 +465,7 @@
      * @param toState The state we are animating towards.
      */
     public void setCurrentAnimation(AnimatorSet anim, STATE_TYPE toState) {
+        Log.d(TestProtocol.OVERVIEW_OVER_HOME, "setting animation to " + toState.toString());
         cancelAnimation();
         setCurrentAnimation(anim);
         anim.addListener(createStateAnimationListener(toState));
diff --git a/src/com/android/launcher3/testing/TestInformationHandler.java b/src/com/android/launcher3/testing/TestInformationHandler.java
index b054f51..5306932 100644
--- a/src/com/android/launcher3/testing/TestInformationHandler.java
+++ b/src/com/android/launcher3/testing/TestInformationHandler.java
@@ -17,6 +17,7 @@
 
 import static com.android.launcher3.allapps.AllAppsStore.DEFER_UPDATES_TEST;
 import static com.android.launcher3.config.FeatureFlags.ENABLE_TRACKPAD_GESTURE;
+import static com.android.launcher3.config.FeatureFlags.FOLDABLE_SINGLE_PAGE;
 import static com.android.launcher3.util.Executors.MAIN_EXECUTOR;
 
 import android.annotation.TargetApi;
@@ -156,7 +157,8 @@
                 return response;
 
             case TestProtocol.REQUEST_IS_TWO_PANELS:
-                response.putBoolean(TestProtocol.TEST_INFO_RESPONSE_FIELD, false);
+                response.putBoolean(TestProtocol.TEST_INFO_RESPONSE_FIELD,
+                        FOLDABLE_SINGLE_PAGE.get() ? false : mDeviceProfile.isTwoPanels);
                 return response;
 
             case TestProtocol.REQUEST_GET_HAD_NONTEST_EVENTS:
@@ -202,10 +204,11 @@
             }
 
             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/src/com/android/launcher3/views/AbstractSlideInView.java b/src/com/android/launcher3/views/AbstractSlideInView.java
index f69d299..30e0971 100644
--- a/src/com/android/launcher3/views/AbstractSlideInView.java
+++ b/src/com/android/launcher3/views/AbstractSlideInView.java
@@ -17,6 +17,7 @@
 
 import static android.view.ViewGroup.LayoutParams.MATCH_PARENT;
 
+import static com.android.app.animation.Interpolators.LINEAR;
 import static com.android.app.animation.Interpolators.scrollInterpolatorForVelocity;
 import static com.android.launcher3.LauncherAnimUtils.SCALE_PROPERTY;
 import static com.android.launcher3.LauncherAnimUtils.SUCCESS_TRANSITION_PROGRESS;
@@ -24,16 +25,14 @@
 import static com.android.launcher3.allapps.AllAppsTransitionController.REVERT_SWIPE_ALL_APPS_TO_HOME_ANIMATION_DURATION_MS;
 import static com.android.launcher3.util.ScrollableLayoutManager.PREDICTIVE_BACK_MIN_SCALE;
 
-import android.animation.AnimatorSet;
-import android.animation.ObjectAnimator;
-import android.animation.PropertyValuesHolder;
+import android.animation.ValueAnimator;
 import android.content.Context;
 import android.graphics.Canvas;
 import android.graphics.Outline;
 import android.graphics.drawable.Drawable;
 import android.os.Build;
 import android.util.AttributeSet;
-import android.util.Property;
+import android.util.FloatProperty;
 import android.view.MotionEvent;
 import android.view.View;
 import android.view.ViewGroup;
@@ -51,6 +50,8 @@
 import com.android.launcher3.Utilities;
 import com.android.launcher3.anim.AnimatedFloat;
 import com.android.launcher3.anim.AnimatorListeners;
+import com.android.launcher3.anim.AnimatorPlaybackController;
+import com.android.launcher3.anim.PendingAnimation;
 import com.android.launcher3.touch.BaseSwipeDetector;
 import com.android.launcher3.touch.SingleAxisSwipeDetector;
 
@@ -66,8 +67,8 @@
 public abstract class AbstractSlideInView<T extends Context & ActivityContext>
         extends AbstractFloatingView implements SingleAxisSwipeDetector.Listener {
 
-    protected static final Property<AbstractSlideInView, Float> TRANSLATION_SHIFT =
-            new Property<AbstractSlideInView, Float>(Float.class, "translationShift") {
+    protected static final FloatProperty<AbstractSlideInView<?>> TRANSLATION_SHIFT =
+            new FloatProperty<>("translationShift") {
 
                 @Override
                 public Float get(AbstractSlideInView view) {
@@ -75,31 +76,54 @@
                 }
 
                 @Override
-                public void set(AbstractSlideInView view, Float value) {
+                public void setValue(AbstractSlideInView view, float value) {
                     view.setTranslationShift(value);
                 }
             };
     protected static final float TRANSLATION_SHIFT_CLOSED = 1f;
     protected static final float TRANSLATION_SHIFT_OPENED = 0f;
     private static final float VIEW_NO_SCALE = 1f;
-    private static final int NO_DURATION = -1;
+    private static final int DEFAULT_DURATION = 300;
 
     protected final T mActivityContext;
 
     protected final SingleAxisSwipeDetector mSwipeDetector;
-    protected @NonNull AnimatorSet mOpenCloseAnimator;
-    private final ObjectAnimator mTranslationShiftAnimator;
+    protected @NonNull AnimatorPlaybackController mOpenCloseAnimation;
 
     protected ViewGroup mContent;
     protected final View mColorScrim;
 
+    /**
+     * Interpolator for {@link #mOpenCloseAnimation} when we are closing due to dragging downwards.
+     */
     private Interpolator mScrollInterpolator;
     private long mScrollDuration;
+    /**
+     * End progress for {@link #mOpenCloseAnimation} when we are closing due to dragging downloads.
+     * <p>
+     * There are two cases that determine this value:
+     * <ol>
+     *     <li>
+     *         If the drag interrupts the opening transition (i.e. {@link #mToTranslationShift}
+     *         is {@link #TRANSLATION_SHIFT_OPENED}), we need to animate back to {@code 0} to
+     *         reverse the animation that was paused at {@link #onDragStart(boolean, float)}.
+     *     </li>
+     *     <li>
+     *         If the drag started after the view is fully opened (i.e.
+     *         {@link #mToTranslationShift} is {@link #TRANSLATION_SHIFT_CLOSED}), the animation
+     *         that was set up at {@link #onDragStart(boolean, float)} for closing the view
+     *         should go forward to {@code 1}.
+     *     </li>
+     * </ol>
+     */
+    private float mScrollEndProgress;
 
     // range [0, 1], 0=> completely open, 1=> completely closed
     protected float mTranslationShift = TRANSLATION_SHIFT_CLOSED;
-    /** {@link #mTranslationShift} at the invocation of {@link #onDragStart(boolean, float)}. */
-    protected float mDragStartTranslationShift;
+    protected float mFromTranslationShift;
+    protected float mToTranslationShift;
+    /** {@link #mOpenCloseAnimation} progress at {@link #onDragStart(boolean, float)}. */
+    private float mDragStartProgress;
 
     protected boolean mNoIntercept;
     protected @Nullable OnCloseListener mOnCloseBeginListener;
@@ -128,52 +152,78 @@
         mActivityContext = ActivityContext.lookupContext(context);
 
         mScrollInterpolator = Interpolators.SCROLL_CUBIC;
-        mScrollDuration = NO_DURATION;
+        mScrollDuration = DEFAULT_DURATION;
         mSwipeDetector = new SingleAxisSwipeDetector(context, this,
                 SingleAxisSwipeDetector.VERTICAL);
 
-        mOpenCloseAnimator = new AnimatorSet();
-        mTranslationShiftAnimator = ObjectAnimator.ofPropertyValuesHolder(this);
+        mOpenCloseAnimation = new PendingAnimation(0).createPlaybackController();
 
         int scrimColor = getScrimColor(context);
         mColorScrim = scrimColor != -1 ? createColorScrim(context, scrimColor) : null;
     }
 
     /**
-     * Sets up a {@link #mOpenCloseAnimator} for opening with default parameters.
+     * Sets up a {@link #mOpenCloseAnimation} for opening with default parameters.
      *
-     * @see #setUpOpenCloseAnimator(float, Interpolator)
+     * @see #setUpOpenCloseAnimation(float, float, long)
      */
-    protected final AnimatorSet setUpDefaultOpenAnimator() {
-        return setUpOpenCloseAnimator(TRANSLATION_SHIFT_OPENED, Interpolators.FAST_OUT_SLOW_IN);
+    protected final AnimatorPlaybackController setUpDefaultOpenAnimation() {
+        AnimatorPlaybackController animation = setUpOpenCloseAnimation(
+                TRANSLATION_SHIFT_CLOSED, TRANSLATION_SHIFT_OPENED, DEFAULT_DURATION);
+        animation.getAnimationPlayer().setInterpolator(Interpolators.FAST_OUT_SLOW_IN);
+        return animation;
     }
 
     /**
-     * Initializes a new {@link #mOpenCloseAnimator}.
-     * <p>
-     * Subclasses should override this method if they want to add more {@code Animator} instances
-     * to the set.
+     * Sets up a {@link #mOpenCloseAnimation} for opening with a given duration.
      *
-     * @param translationShift             translation shift to animate to.
-     * @param translationShiftInterpolator interpolator for {@link #mTranslationShiftAnimator}.
-     * @return {@link #mOpenCloseAnimator}
+     * @see #setUpOpenCloseAnimation(float, float, long)
      */
-    protected AnimatorSet setUpOpenCloseAnimator(
-            float translationShift, Interpolator translationShiftInterpolator) {
-        mOpenCloseAnimator = new AnimatorSet();
-        mOpenCloseAnimator.addListener(AnimatorListeners.forEndCallback(() -> {
+    protected final AnimatorPlaybackController setUpOpenAnimation(long duration) {
+        return setUpOpenCloseAnimation(
+                TRANSLATION_SHIFT_CLOSED, TRANSLATION_SHIFT_OPENED, duration);
+    }
+
+    private AnimatorPlaybackController setUpCloseAnimation(long duration) {
+        return setUpOpenCloseAnimation(
+                TRANSLATION_SHIFT_OPENED, TRANSLATION_SHIFT_CLOSED, duration);
+    }
+
+    /**
+     * Initializes a new {@link #mOpenCloseAnimation}.
+     *
+     * @param fromTranslationShift translation shift to animate from.
+     * @param toTranslationShift   translation shift to animate to.
+     * @param duration             animation duration.
+     * @return {@link #mOpenCloseAnimation}
+     */
+    private AnimatorPlaybackController setUpOpenCloseAnimation(
+            float fromTranslationShift, float toTranslationShift, long duration) {
+        mFromTranslationShift = fromTranslationShift;
+        mToTranslationShift = toTranslationShift;
+
+        PendingAnimation animation = new PendingAnimation(duration);
+        animation.addEndListener(b -> {
             mSwipeDetector.finishedScrolling();
             announceAccessibilityChanges();
-        }));
+        });
 
-        mTranslationShiftAnimator.setValues(PropertyValuesHolder.ofFloat(
-                TRANSLATION_SHIFT, translationShift));
-        mTranslationShiftAnimator.setInterpolator(translationShiftInterpolator);
-        mOpenCloseAnimator.play(mTranslationShiftAnimator);
+        animation.addFloat(
+                this, TRANSLATION_SHIFT, fromTranslationShift, toTranslationShift, LINEAR);
+        onOpenCloseAnimationPending(animation);
 
-        return mOpenCloseAnimator;
+        mOpenCloseAnimation = animation.createPlaybackController();
+        return mOpenCloseAnimation;
     }
 
+    /**
+     * Invoked when a {@link #mOpenCloseAnimation} is being set up.
+     * <p>
+     * Subclasses can override this method to modify the animation before it's used to create a
+     * {@link AnimatorPlaybackController}.
+     */
+    protected void onOpenCloseAnimationPending(PendingAnimation animation) {}
+
     protected void attachToContainer() {
         if (mColorScrim != null) {
             getPopupContainer().addView(mColorScrim);
@@ -316,29 +366,33 @@
     }
 
     private boolean isOpeningAnimationRunning() {
-        return mIsOpen && mOpenCloseAnimator.isRunning();
+        return mIsOpen && mOpenCloseAnimation.getAnimationPlayer().isRunning();
     }
 
     /* SingleAxisSwipeDetector.Listener */
 
     @Override
     public void onDragStart(boolean start, float startDisplacement) {
-        mOpenCloseAnimator.cancel();
-        mDragStartTranslationShift = mTranslationShift;
+        if (mOpenCloseAnimation.getAnimationPlayer().isRunning()) {
+            mOpenCloseAnimation.pause();
+            mDragStartProgress = mOpenCloseAnimation.getProgressFraction();
+        } else {
+            setUpCloseAnimation(DEFAULT_DURATION);
+            mDragStartProgress = 0;
+        }
     }
 
     @Override
     public boolean onDrag(float displacement) {
-        setTranslationShift(Utilities.boundToRange(
-                mDragStartTranslationShift + displacement / getShiftRange(),
-                TRANSLATION_SHIFT_OPENED,
-                TRANSLATION_SHIFT_CLOSED));
+        float progress = mDragStartProgress
+                + Math.signum(mToTranslationShift - mFromTranslationShift)
+                * (displacement / getShiftRange());
+        mOpenCloseAnimation.setPlayFraction(Utilities.boundToRange(progress, 0, 1));
         return true;
     }
 
     @Override
     public void onDragEnd(float velocity) {
-        mDragStartTranslationShift = 0;
         float successfulShiftThreshold = mActivityContext.getDeviceProfile().isTablet
                 ? TABLET_BOTTOM_SHEET_SUCCESS_TRANSITION_PROGRESS : SUCCESS_TRANSITION_PROGRESS;
         if ((mSwipeDetector.isFling(velocity) && velocity > 0)
@@ -346,10 +400,15 @@
             mScrollInterpolator = scrollInterpolatorForVelocity(velocity);
             mScrollDuration = BaseSwipeDetector.calculateDuration(
                     velocity, TRANSLATION_SHIFT_CLOSED - mTranslationShift);
+            mScrollEndProgress = mToTranslationShift == TRANSLATION_SHIFT_OPENED ? 0 : 1;
             close(true);
         } else {
-            setUpOpenCloseAnimator(TRANSLATION_SHIFT_OPENED, Interpolators.DECELERATE)
-                    .setDuration(BaseSwipeDetector.calculateDuration(velocity, mTranslationShift))
+            ValueAnimator animator = mOpenCloseAnimation.getAnimationPlayer();
+            animator.setInterpolator(Interpolators.DECELERATE);
+            animator.setFloatValues(
+                    mOpenCloseAnimation.getProgressFraction(),
+                    mToTranslationShift == TRANSLATION_SHIFT_OPENED ? 1 : 0);
+            animator.setDuration(BaseSwipeDetector.calculateDuration(velocity, mTranslationShift))
                     .start();
         }
     }
@@ -371,24 +430,27 @@
         Optional.ofNullable(mOnCloseBeginListener).ifPresent(OnCloseListener::onSlideInViewClosed);
 
         if (!animate) {
-            mOpenCloseAnimator.cancel();
+            mOpenCloseAnimation.pause();
             setTranslationShift(TRANSLATION_SHIFT_CLOSED);
             onCloseComplete();
             return;
         }
 
-        final Interpolator interpolator;
-        final long duration;
+        final ValueAnimator animator;
         if (mSwipeDetector.isIdleState()) {
-            interpolator = getIdleInterpolator();
-            duration = defaultDuration;
+            setUpCloseAnimation(defaultDuration);
+            animator = mOpenCloseAnimation.getAnimationPlayer();
+            animator.setInterpolator(getIdleInterpolator());
         } else {
-            interpolator = mScrollInterpolator;
-            duration = mScrollDuration > NO_DURATION ? mScrollDuration : defaultDuration;
+            animator = mOpenCloseAnimation.getAnimationPlayer();
+            animator.setInterpolator(mScrollInterpolator);
+            animator.setDuration(mScrollDuration);
+            mOpenCloseAnimation.getAnimationPlayer().setFloatValues(
+                    mOpenCloseAnimation.getProgressFraction(), mScrollEndProgress);
         }
-        setUpOpenCloseAnimator(TRANSLATION_SHIFT_CLOSED, interpolator)
-                .addListener(AnimatorListeners.forEndCallback(this::onCloseComplete));
-        mOpenCloseAnimator.setDuration(duration).start();
+
+        animator.addListener(AnimatorListeners.forEndCallback(this::onCloseComplete));
+        animator.start();
     }
 
     protected Interpolator getIdleInterpolator() {
diff --git a/src/com/android/launcher3/views/WidgetsEduView.java b/src/com/android/launcher3/views/WidgetsEduView.java
index 92e048b..e70b1cb 100644
--- a/src/com/android/launcher3/views/WidgetsEduView.java
+++ b/src/com/android/launcher3/views/WidgetsEduView.java
@@ -116,11 +116,11 @@
     }
 
     private void animateOpen() {
-        if (mIsOpen || mOpenCloseAnimator.isRunning()) {
+        if (mIsOpen || mOpenCloseAnimation.getAnimationPlayer().isRunning()) {
             return;
         }
         mIsOpen = true;
-        setUpDefaultOpenAnimator().start();
+        setUpDefaultOpenAnimation().start();
     }
 
     /** Shows widget education dialog. */
diff --git a/src/com/android/launcher3/widget/AddItemWidgetsBottomSheet.java b/src/com/android/launcher3/widget/AddItemWidgetsBottomSheet.java
index c6fc5fe..80b1cdd 100644
--- a/src/com/android/launcher3/widget/AddItemWidgetsBottomSheet.java
+++ b/src/com/android/launcher3/widget/AddItemWidgetsBottomSheet.java
@@ -128,11 +128,11 @@
     }
 
     private void animateOpen() {
-        if (mIsOpen || mOpenCloseAnimator.isRunning()) {
+        if (mIsOpen || mOpenCloseAnimation.getAnimationPlayer().isRunning()) {
             return;
         }
         mIsOpen = true;
-        setUpDefaultOpenAnimator().start();
+        setUpDefaultOpenAnimation().start();
     }
 
     @Override
diff --git a/src/com/android/launcher3/widget/WidgetsBottomSheet.java b/src/com/android/launcher3/widget/WidgetsBottomSheet.java
index 82394f1..c347939 100644
--- a/src/com/android/launcher3/widget/WidgetsBottomSheet.java
+++ b/src/com/android/launcher3/widget/WidgetsBottomSheet.java
@@ -224,12 +224,12 @@
     }
 
     private void animateOpen() {
-        if (mIsOpen || mOpenCloseAnimator.isRunning()) {
+        if (mIsOpen || mOpenCloseAnimation.getAnimationPlayer().isRunning()) {
             return;
         }
         mIsOpen = true;
         setupNavBarColor();
-        setUpDefaultOpenAnimator().start();
+        setUpDefaultOpenAnimation().start();
     }
 
     @Override
diff --git a/src/com/android/launcher3/widget/picker/WidgetsFullSheet.java b/src/com/android/launcher3/widget/picker/WidgetsFullSheet.java
index 43f1846..abca1f8 100644
--- a/src/com/android/launcher3/widget/picker/WidgetsFullSheet.java
+++ b/src/com/android/launcher3/widget/picker/WidgetsFullSheet.java
@@ -22,6 +22,7 @@
 import static com.android.launcher3.logging.StatsLogManager.LauncherEvent.LAUNCHER_WIDGETSTRAY_SEARCHED;
 import static com.android.launcher3.testing.shared.TestProtocol.NORMAL_STATE_ORDINAL;
 
+import android.animation.Animator;
 import android.content.Context;
 import android.content.pm.LauncherApps;
 import android.content.res.Configuration;
@@ -624,13 +625,12 @@
                 mContent.setAlpha(0);
                 setTranslationShift(VERTICAL_START_POSITION);
             }
-            setUpOpenCloseAnimator(
-                    TRANSLATION_SHIFT_OPENED,
-                    AnimationUtils.loadInterpolator(
-                            getContext(), android.R.interpolator.linear_out_slow_in));
+            setUpOpenAnimation(mActivityContext.getDeviceProfile().bottomSheetOpenDuration);
+            Animator animator = mOpenCloseAnimation.getAnimationPlayer();
+            animator.setInterpolator(AnimationUtils.loadInterpolator(
+                    getContext(), android.R.interpolator.linear_out_slow_in));
             post(() -> {
-                mOpenCloseAnimator
-                        .setDuration(mActivityContext.getDeviceProfile().bottomSheetOpenDuration)
+                animator.setDuration(mActivityContext.getDeviceProfile().bottomSheetOpenDuration)
                         .start();
                 mContent.animate().alpha(1).setDuration(FADE_IN_DURATION);
             });
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/res/xml/invalid_hotseat_file_case_1.xml b/tests/res/xml/invalid_hotseat_file_case_1.xml
new file mode 100644
index 0000000..fcbc5ea
--- /dev/null
+++ b/tests/res/xml/invalid_hotseat_file_case_1.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.
+  -->
+<hotseatSpecs xmlns:launcher="http://schemas.android.com/apk/res-auto">
+
+    <hotseatSpec
+        launcher:specType="height"
+        launcher:maxAvailableSize="847dp">
+        <hotseatQsbSpace launcher:ofAvailableSpace="1" />
+    </hotseatSpec>
+
+    <hotseatSpec
+        launcher:specType="height"
+        launcher:maxAvailableSize="9999dp">
+        <hotseatQsbSpace launcher:fixedSize="36dp" />
+    </hotseatSpec>
+
+</hotseatSpecs>
\ No newline at end of file
diff --git a/tests/res/xml/valid_hotseat_file.xml b/tests/res/xml/valid_hotseat_file.xml
new file mode 100644
index 0000000..c7f52e8
--- /dev/null
+++ b/tests/res/xml/valid_hotseat_file.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.
+  -->
+<hotseatSpecs xmlns:launcher="http://schemas.android.com/apk/res-auto">
+
+    <hotseatSpec
+        launcher:specType="height"
+        launcher:maxAvailableSize="847dp">
+        <hotseatQsbSpace launcher:fixedSize="24dp" />
+    </hotseatSpec>
+
+    <hotseatSpec
+        launcher:specType="height"
+        launcher:maxAvailableSize="9999dp">
+        <hotseatQsbSpace launcher:fixedSize="36dp" />
+    </hotseatSpec>
+
+</hotseatSpecs>
\ No newline at end of file
diff --git a/tests/shared/com/android/launcher3/testing/shared/TestProtocol.java b/tests/shared/com/android/launcher3/testing/shared/TestProtocol.java
index fcc2fc1..d86a2f8 100644
--- a/tests/shared/com/android/launcher3/testing/shared/TestProtocol.java
+++ b/tests/shared/com/android/launcher3/testing/shared/TestProtocol.java
@@ -160,6 +160,8 @@
     public static final String ICON_MISSING = "b/282963545";
     public static final String LAUNCH_SPLIT_PAIR = "b/288939273";
 
+    public static final String OVERVIEW_OVER_HOME = "b/279059025";
+
     public static final String REQUEST_EMULATE_DISPLAY = "emulate-display";
     public static final String REQUEST_STOP_EMULATE_DISPLAY = "stop-emulate-display";
     public static final String REQUEST_IS_EMULATE_DISPLAY_RUNNING = "is-emulate-display-running";
diff --git a/tests/src/com/android/launcher3/AbstractDeviceProfileTest.kt b/tests/src/com/android/launcher3/AbstractDeviceProfileTest.kt
index f0cedd3..dd79ca8 100644
--- a/tests/src/com/android/launcher3/AbstractDeviceProfileTest.kt
+++ b/tests/src/com/android/launcher3/AbstractDeviceProfileTest.kt
@@ -22,6 +22,7 @@
 import android.util.DisplayMetrics
 import android.view.Surface
 import androidx.test.core.app.ApplicationProvider
+import com.android.launcher3.testing.shared.ResourceUtils
 import com.android.launcher3.util.DisplayController
 import com.android.launcher3.util.NavigationMode
 import com.android.launcher3.util.WindowBounds
@@ -158,41 +159,55 @@
     }
 
     protected fun initializeVarsForTwoPanel(
-        deviceTabletSpec: DeviceSpec,
-        deviceSpec: DeviceSpec,
+        deviceSpecUnfolded: DeviceSpec,
+        deviceSpecFolded: DeviceSpec,
         isLandscape: Boolean = false,
-        isGestureMode: Boolean = true
+        isGestureMode: Boolean = true,
+        isFolded: Boolean = false
     ) {
-        val (tabletNaturalX, tabletNaturalY) = deviceTabletSpec.naturalSize
-        val tabletWindowsBounds =
-            tabletWindowsBounds(deviceTabletSpec, tabletNaturalX, tabletNaturalY)
-        val tabletDisplayInfo =
+        val (unfoldedNaturalX, unfoldedNaturalY) = deviceSpecUnfolded.naturalSize
+        val unfoldedWindowsBounds =
+            tabletWindowsBounds(deviceSpecUnfolded, unfoldedNaturalX, unfoldedNaturalY)
+        val unfoldedDisplayInfo =
             CachedDisplayInfo(
-                Point(tabletNaturalX, tabletNaturalY),
+                Point(unfoldedNaturalX, unfoldedNaturalY),
                 Surface.ROTATION_0,
                 Rect(0, 0, 0, 0)
             )
 
-        val (phoneNaturalX, phoneNaturalY) = deviceSpec.naturalSize
-        val phoneWindowsBounds =
-            phoneWindowsBounds(deviceSpec, isGestureMode, phoneNaturalX, phoneNaturalY)
-        val phoneDisplayInfo =
+        val (foldedNaturalX, foldedNaturalY) = deviceSpecFolded.naturalSize
+        val foldedWindowsBounds =
+            phoneWindowsBounds(deviceSpecFolded, isGestureMode, foldedNaturalX, foldedNaturalY)
+        val foldedDisplayInfo =
             CachedDisplayInfo(
-                Point(phoneNaturalX, phoneNaturalY),
+                Point(foldedNaturalX, foldedNaturalY),
                 Surface.ROTATION_0,
                 Rect(0, 0, 0, 0)
             )
 
         val perDisplayBoundsCache =
-            mapOf(tabletDisplayInfo to tabletWindowsBounds, phoneDisplayInfo to phoneWindowsBounds)
+            mapOf(
+                unfoldedDisplayInfo to unfoldedWindowsBounds,
+                foldedDisplayInfo to foldedWindowsBounds
+            )
 
-        initializeCommonVars(
-            perDisplayBoundsCache,
-            tabletDisplayInfo,
-            rotation = if (isLandscape) Surface.ROTATION_0 else Surface.ROTATION_90,
-            isGestureMode,
-            densityDpi = deviceTabletSpec.densityDpi
-        )
+        if (isFolded) {
+            initializeCommonVars(
+                perDisplayBoundsCache = perDisplayBoundsCache,
+                displayInfo = foldedDisplayInfo,
+                rotation = if (isLandscape) Surface.ROTATION_90 else Surface.ROTATION_0,
+                isGestureMode = isGestureMode,
+                densityDpi = deviceSpecFolded.densityDpi
+            )
+        } else {
+            initializeCommonVars(
+                perDisplayBoundsCache = perDisplayBoundsCache,
+                displayInfo = unfoldedDisplayInfo,
+                rotation = if (isLandscape) Surface.ROTATION_0 else Surface.ROTATION_90,
+                isGestureMode = isGestureMode,
+                densityDpi = deviceSpecUnfolded.densityDpi
+            )
+        }
     }
 
     private fun phoneWindowsBounds(
@@ -306,4 +321,12 @@
     private fun writeToDevice(context: Context, fileName: String, content: String) {
         File(context.getDir("dumpTests", Context.MODE_PRIVATE), fileName).writeText(content)
     }
+
+    protected fun Float.dpToPx(): Float {
+        return ResourceUtils.pxFromDp(this, context!!.resources.displayMetrics).toFloat()
+    }
+
+    protected fun Int.dpToPx(): Int {
+        return ResourceUtils.pxFromDp(this.toFloat(), context!!.resources.displayMetrics)
+    }
 }
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));
     }
 
diff --git a/tests/src/com/android/launcher3/responsive/CalculatedFolderSpecsTest.kt b/tests/src/com/android/launcher3/responsive/CalculatedFolderSpecsTest.kt
index 863cf76..f2a269a 100644
--- a/tests/src/com/android/launcher3/responsive/CalculatedFolderSpecsTest.kt
+++ b/tests/src/com/android/launcher3/responsive/CalculatedFolderSpecsTest.kt
@@ -21,7 +21,6 @@
 import androidx.test.filters.SmallTest
 import androidx.test.platform.app.InstrumentationRegistry
 import com.android.launcher3.AbstractDeviceProfileTest
-import com.android.launcher3.testing.shared.ResourceUtils
 import com.android.launcher3.tests.R
 import com.android.launcher3.util.TestResourceHelper
 import com.google.common.truth.Truth.assertThat
@@ -118,8 +117,4 @@
             assertThat(cellSizePx).isEqualTo(calculatedWorkspace.cellSizePx)
         }
     }
-
-    private fun Int.dpToPx(): Int {
-        return ResourceUtils.pxFromDp(this.toFloat(), context!!.resources.displayMetrics)
-    }
 }
diff --git a/tests/src/com/android/launcher3/responsive/CalculatedHotseatSpecTest.kt b/tests/src/com/android/launcher3/responsive/CalculatedHotseatSpecTest.kt
new file mode 100644
index 0000000..0ecf7ba
--- /dev/null
+++ b/tests/src/com/android/launcher3/responsive/CalculatedHotseatSpecTest.kt
@@ -0,0 +1,75 @@
+/*
+ * 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.responsive
+
+import android.content.Context
+import androidx.test.ext.junit.runners.AndroidJUnit4
+import androidx.test.filters.SmallTest
+import androidx.test.platform.app.InstrumentationRegistry
+import com.android.launcher3.AbstractDeviceProfileTest
+import com.android.launcher3.tests.R as TestR
+import com.android.launcher3.util.TestResourceHelper
+import com.google.common.truth.Truth.assertThat
+import org.junit.Test
+import org.junit.runner.RunWith
+
+@SmallTest
+@RunWith(AndroidJUnit4::class)
+class CalculatedHotseatSpecTest : AbstractDeviceProfileTest() {
+    override val runningContext: Context = InstrumentationRegistry.getInstrumentation().context
+
+    /**
+     * This test tests:
+     * - (height spec) gets the correct breakpoint from the XML - skips the first breakpoint
+     */
+    @Test
+    fun normalPhone_returnsSecondBreakpointSpec() {
+        val deviceSpec = deviceSpecs["phone"]!!
+        initializeVarsForPhone(deviceSpec)
+
+        // Hotseat uses the whole device height
+        val availableHeight = deviceSpec.naturalSize.second
+
+        val hotseatSpecs =
+            HotseatSpecs.create(TestResourceHelper(context!!, TestR.xml.valid_hotseat_file))
+        val heightSpec = hotseatSpecs.getCalculatedHeightSpec(availableHeight)
+
+        assertThat(heightSpec.availableSpace).isEqualTo(availableHeight)
+        assertThat(heightSpec.hotseatQsbSpace).isEqualTo(95)
+    }
+
+    /**
+     * This test tests:
+     * - (height spec) gets the correct breakpoint from the XML - use the first breakpoint
+     */
+    @Test
+    fun smallPhone_returnsFirstBreakpointSpec() {
+        val deviceSpec = deviceSpecs["phone"]!!
+        deviceSpec.densityDpi = 540 // larger display size
+        initializeVarsForPhone(deviceSpec)
+
+        // Hotseat uses the whole device height
+        val availableHeight = deviceSpec.naturalSize.second
+
+        val hotseatSpecs =
+            HotseatSpecs.create(TestResourceHelper(context!!, TestR.xml.valid_hotseat_file))
+        val heightSpec = hotseatSpecs.getCalculatedHeightSpec(availableHeight)
+
+        assertThat(heightSpec.availableSpace).isEqualTo(availableHeight)
+        assertThat(heightSpec.hotseatQsbSpace).isEqualTo(81)
+    }
+}
diff --git a/tests/src/com/android/launcher3/responsive/FolderSpecsTest.kt b/tests/src/com/android/launcher3/responsive/FolderSpecsTest.kt
index e21af57..4b05949 100644
--- a/tests/src/com/android/launcher3/responsive/FolderSpecsTest.kt
+++ b/tests/src/com/android/launcher3/responsive/FolderSpecsTest.kt
@@ -22,7 +22,6 @@
 import androidx.test.platform.app.InstrumentationRegistry
 import com.android.launcher3.AbstractDeviceProfileTest
 import com.android.launcher3.responsive.ResponsiveSpec.SpecType
-import com.android.launcher3.testing.shared.ResourceUtils
 import com.android.launcher3.tests.R
 import com.android.launcher3.util.TestResourceHelper
 import com.google.common.truth.Truth.assertThat
@@ -249,12 +248,4 @@
         val folderSpecs = FolderSpecs.create(resourceHelper)
         folderSpecs.getCalculatedHeightSpec(cells, availableSpace, calculatedWorkspaceSpec)
     }
-
-    private fun Float.dpToPx(): Float {
-        return ResourceUtils.pxFromDp(this, context!!.resources.displayMetrics).toFloat()
-    }
-
-    private fun Int.dpToPx(): Int {
-        return ResourceUtils.pxFromDp(this.toFloat(), context!!.resources.displayMetrics)
-    }
 }
diff --git a/tests/src/com/android/launcher3/responsive/HotseatSpecsTest.kt b/tests/src/com/android/launcher3/responsive/HotseatSpecsTest.kt
new file mode 100644
index 0000000..c764e47
--- /dev/null
+++ b/tests/src/com/android/launcher3/responsive/HotseatSpecsTest.kt
@@ -0,0 +1,71 @@
+/*
+ * 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.responsive
+
+import android.content.Context
+import androidx.test.ext.junit.runners.AndroidJUnit4
+import androidx.test.filters.SmallTest
+import androidx.test.platform.app.InstrumentationRegistry
+import com.android.launcher3.AbstractDeviceProfileTest
+import com.android.launcher3.tests.R as TestR
+import com.android.launcher3.util.TestResourceHelper
+import com.android.systemui.util.dpToPx
+import com.google.common.truth.Truth.assertThat
+import org.junit.Before
+import org.junit.Test
+import org.junit.runner.RunWith
+
+@SmallTest
+@RunWith(AndroidJUnit4::class)
+class HotseatSpecsTest : AbstractDeviceProfileTest() {
+    override val runningContext: Context = InstrumentationRegistry.getInstrumentation().context
+
+    @Before
+    fun setup() {
+        initializeVarsForPhone(deviceSpecs["phone"]!!)
+    }
+
+    @Test
+    fun parseValidFile() {
+        val hotseatSpecs =
+            HotseatSpecs.create(TestResourceHelper(context!!, TestR.xml.valid_hotseat_file))
+        assertThat(hotseatSpecs.specs.size).isEqualTo(2)
+
+        val expectedSpecs =
+            listOf(
+                HotseatSpec(
+                    maxAvailableSize = 847.dpToPx(),
+                    specType = ResponsiveSpec.SpecType.HEIGHT,
+                    hotseatQsbSpace = SizeSpec(24f.dpToPx())
+                ),
+                HotseatSpec(
+                    maxAvailableSize = 9999.dpToPx(),
+                    specType = ResponsiveSpec.SpecType.HEIGHT,
+                    hotseatQsbSpace = SizeSpec(36f.dpToPx())
+                ),
+            )
+
+        assertThat(hotseatSpecs.specs.size).isEqualTo(expectedSpecs.size)
+        assertThat(hotseatSpecs.specs[0]).isEqualTo(expectedSpecs[0])
+        assertThat(hotseatSpecs.specs[1]).isEqualTo(expectedSpecs[1])
+    }
+
+    @Test(expected = IllegalStateException::class)
+    fun parseInvalidFile_spaceIsNotFixedSize_throwsError() {
+        HotseatSpecs.create(TestResourceHelper(context!!, TestR.xml.invalid_hotseat_file_case_1))
+    }
+}
diff --git a/tests/src/com/android/launcher3/responsive/SizeSpecTest.kt b/tests/src/com/android/launcher3/responsive/SizeSpecTest.kt
index 088cae1..8ca07c6 100644
--- a/tests/src/com/android/launcher3/responsive/SizeSpecTest.kt
+++ b/tests/src/com/android/launcher3/responsive/SizeSpecTest.kt
@@ -139,4 +139,20 @@
             assertThat(instance.isValid()).isEqualTo(false)
         }
     }
+
+    @Test
+    fun onlyFixedSize() {
+        assertThat(SizeSpec(fixedSize = 16f).onlyFixedSize()).isEqualTo(true)
+
+        val combinations =
+            listOf(
+                SizeSpec(0f, 1.1f, 0f, false),
+                SizeSpec(0f, 0f, 1.1f, false),
+                SizeSpec(0f, 0f, 0f, true)
+            )
+
+        for (instance in combinations) {
+            assertThat(instance.onlyFixedSize()).isEqualTo(false)
+        }
+    }
 }
diff --git a/tests/src/com/android/launcher3/util/viewcapture_analysis/AlphaJumpDetector.java b/tests/src/com/android/launcher3/util/viewcapture_analysis/AlphaJumpDetector.java
index a147350..38de2fa 100644
--- a/tests/src/com/android/launcher3/util/viewcapture_analysis/AlphaJumpDetector.java
+++ b/tests/src/com/android/launcher3/util/viewcapture_analysis/AlphaJumpDetector.java
@@ -16,11 +16,8 @@
 package com.android.launcher3.util.viewcapture_analysis;
 
 import com.android.launcher3.util.viewcapture_analysis.ViewCaptureAnalyzer.AnalysisNode;
-import com.android.launcher3.util.viewcapture_analysis.ViewCaptureAnalyzer.AnomalyDetector;
 
-import java.util.HashMap;
 import java.util.List;
-import java.util.Map;
 
 /**
  * Anomaly detector that triggers an error when alpha of a view changes too rapidly.
@@ -34,8 +31,7 @@
     private static final String RECENTS_DRAG_LAYER =
             CONTENT + "LauncherRootView:id/launcher|RecentsDragLayer:id/drag_layer|";
 
-    // Paths of nodes that are excluded from analysis.
-    private static final Iterable<String> PATHS_TO_IGNORE = List.of(
+    private static final IgnoreNode IGNORED_NODES_ROOT = buildIgnoreNodesTree(List.of(
             CONTENT
                     + "AddItemDragLayer:id/add_item_drag_layer|AddItemWidgetsBottomSheet:id"
                     + "/add_item_bottom_sheet|LinearLayout:id/add_item_bottom_sheet_content"
@@ -118,55 +114,24 @@
             RECENTS_DRAG_LAYER + "FallbackRecentsView:id/overview_panel",
             DRAG_LAYER
                     + "NexusOverviewActionsView:id/overview_actions_view"
-                    + "|LinearLayout:id/action_buttons|ImageButton:id/action_screenshot",
+                    + "|LinearLayout:id/action_buttons|Button:id/action_screenshot",
             RECENTS_DRAG_LAYER
                     + "NexusOverviewActionsView:id/overview_actions_view"
-                    + "|LinearLayout:id/action_buttons|ImageButton:id/action_screenshot",
+                    + "|LinearLayout:id/action_buttons|Button:id/action_screenshot",
             DRAG_LAYER
                     + "NexusOverviewActionsView:id/overview_actions_view"
-                    + "|LinearLayout:id/action_buttons|ImageButton:id/action_select",
+                    + "|LinearLayout:id/action_buttons|Button:id/action_select",
             RECENTS_DRAG_LAYER
                     + "NexusOverviewActionsView:id/overview_actions_view"
-                    + "|LinearLayout:id/action_buttons|ImageButton:id/action_select",
+                    + "|LinearLayout:id/action_buttons|Button:id/action_select",
             DRAG_LAYER
                     + "NexusOverviewActionsView:id/overview_actions_view"
-                    + "|LinearLayout:id/action_buttons|ImageButton:id/action_split",
+                    + "|LinearLayout:id/action_buttons|Button:id/action_split",
             RECENTS_DRAG_LAYER
                     + "NexusOverviewActionsView:id/overview_actions_view"
-                    + "|LinearLayout:id/action_buttons|ImageButton:id/action_split",
+                    + "|LinearLayout:id/action_buttons|Button:id/action_split",
             DRAG_LAYER + "IconView"
-    );
-
-    /**
-     * Element of the tree of ignored nodes.
-     * If the "children" map is empty, then this node should be ignored, i.e. alpha jumps analysis
-     * shouldn't run for it.
-     * I.e. ignored nodes correspond to the leaves in the ignored nodes tree.
-     */
-    private static class IgnoreNode {
-        // Map from child node identities to ignore-nodes for these children.
-        public final Map<String, IgnoreNode> children = new HashMap<>();
-    }
-
-    private static final IgnoreNode IGNORED_NODES_ROOT = buildIgnoreNodesTree();
-
-    // Converts the list of full paths of nodes to ignore to a more efficient tree of ignore-nodes.
-    private static IgnoreNode buildIgnoreNodesTree() {
-        final IgnoreNode root = new IgnoreNode();
-        for (String pathToIgnore : PATHS_TO_IGNORE) {
-            // Scan the diag path of an ignored node and add its elements into the tree.
-            IgnoreNode currentIgnoreNode = root;
-            for (String part : pathToIgnore.split("\\|")) {
-                // Ensure that the child of the node is added to the tree.
-                IgnoreNode child = currentIgnoreNode.children.get(part);
-                if (child == null) {
-                    currentIgnoreNode.children.put(part, child = new IgnoreNode());
-                }
-                currentIgnoreNode = child;
-            }
-        }
-        return root;
-    }
+    ));
 
     // Minimal increase or decrease of view's alpha between frames that triggers the error.
     private static final float ALPHA_JUMP_THRESHOLD = 1f;
@@ -213,7 +178,7 @@
     }
 
     @Override
-    String detectAnomalies(AnalysisNode oldInfo, AnalysisNode newInfo, int frameN) {
+    String detectAnomalies(AnalysisNode oldInfo, AnalysisNode newInfo, int frameN, long timestamp) {
         // If the view was previously seen, proceed with analysis only if it was present in the
         // view hierarchy in the previous frame.
         if (oldInfo != null && oldInfo.frameN != frameN) return null;
@@ -229,9 +194,8 @@
         if (alphaDeltaAbs >= ALPHA_JUMP_THRESHOLD) {
             nodeData.ignoreAlphaJumps = true; // No need to report alpha jump in children.
             return String.format(
-                    "Alpha jump detected in ViewCapture data: alpha change: %s (%s -> %s)"
-                            + ", threshold: %s, %s", // ----------- no need to include view?
-                    alphaDeltaAbs, oldAlpha, newAlpha, ALPHA_JUMP_THRESHOLD, latestInfo);
+                    "Alpha jump detected: alpha change: %s (%s -> %s), threshold: %s",
+                    alphaDeltaAbs, oldAlpha, newAlpha, ALPHA_JUMP_THRESHOLD);
         }
         return null;
     }
diff --git a/tests/src/com/android/launcher3/util/viewcapture_analysis/AnomalyDetector.java b/tests/src/com/android/launcher3/util/viewcapture_analysis/AnomalyDetector.java
new file mode 100644
index 0000000..09e2f65
--- /dev/null
+++ b/tests/src/com/android/launcher3/util/viewcapture_analysis/AnomalyDetector.java
@@ -0,0 +1,84 @@
+/*
+ * 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.util.viewcapture_analysis;
+
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+
+import java.util.HashMap;
+import java.util.Map;
+
+/**
+ * Detector of one kind of anomaly.
+ */
+abstract class AnomalyDetector {
+    // Index of this detector in ViewCaptureAnalyzer.ANOMALY_DETECTORS
+    public int detectorOrdinal;
+
+    /**
+     * Element of the tree of ignored nodes.
+     * If the "children" map is empty, then this node should be ignored, i.e. the analysis shouldn't
+     * run for it.
+     * I.e. ignored nodes correspond to the leaves in the ignored nodes tree.
+     */
+    protected static class IgnoreNode {
+        // Map from child node identities to ignore-nodes for these children.
+        public final Map<String, IgnoreNode> children = new HashMap<>();
+    }
+
+    // Converts the list of full paths of nodes to ignore to a more efficient tree of ignore-nodes.
+    protected static IgnoreNode buildIgnoreNodesTree(Iterable<String> pathsToIgnore) {
+        final IgnoreNode root = new IgnoreNode();
+        for (String pathToIgnore : pathsToIgnore) {
+            // Scan the diag path of an ignored node and add its elements into the tree.
+            IgnoreNode currentIgnoreNode = root;
+            for (String part : pathToIgnore.split("\\|")) {
+                // Ensure that the child of the node is added to the tree.
+                IgnoreNode child = currentIgnoreNode.children.get(part);
+                if (child == null) {
+                    currentIgnoreNode.children.put(part, child = new IgnoreNode());
+                }
+                currentIgnoreNode = child;
+            }
+        }
+        return root;
+    }
+
+    /**
+     * Initializes fields of the node that are specific to the anomaly detected by this
+     * detector.
+     */
+    abstract void initializeNode(@NonNull ViewCaptureAnalyzer.AnalysisNode info);
+
+    /**
+     * Detects anomalies by looking at the last occurrence of a view, and the current one.
+     * null value means that the view. 'oldInfo' and 'newInfo' cannot be both null.
+     * If an anomaly is detected, an exception will be thrown.
+     *
+     * @param oldInfo the view, as seen in the last frame that contained it in the view
+     *                hierarchy before 'currentFrame'. 'null' means that the view is first seen
+     *                in the 'currentFrame'.
+     * @param newInfo the view in the view hierarchy of the 'currentFrame'. 'null' means that
+     *                the view is not present in the 'currentFrame', but was present in the previous
+     *                frame.
+     * @param frameN  number of the current frame.
+     * @return Anomaly diagnostic message if an anomaly has been detected; null otherwise.
+     */
+    abstract String detectAnomalies(
+            @Nullable ViewCaptureAnalyzer.AnalysisNode oldInfo,
+            @Nullable ViewCaptureAnalyzer.AnalysisNode newInfo, int frameN,
+            long frameTimeNs);
+}
diff --git a/tests/src/com/android/launcher3/util/viewcapture_analysis/FlashDetector.java b/tests/src/com/android/launcher3/util/viewcapture_analysis/FlashDetector.java
new file mode 100644
index 0000000..4210d06
--- /dev/null
+++ b/tests/src/com/android/launcher3/util/viewcapture_analysis/FlashDetector.java
@@ -0,0 +1,172 @@
+/*
+ * 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.util.viewcapture_analysis;
+
+import static org.junit.Assert.assertTrue;
+
+import com.android.launcher3.util.viewcapture_analysis.ViewCaptureAnalyzer.AnalysisNode;
+
+import java.util.List;
+
+/**
+ * Anomaly detector that triggers an error when a view flashes, i.e. appears or disappears for a too
+ * short period of time.
+ */
+final class FlashDetector extends AnomalyDetector {
+    // Maximum time period of a view visibility or invisibility that is recognized as a flash.
+    private static final int FLASH_DURATION_MS = 300;
+
+    // Commonly used parts of the paths to ignore.
+    private static final String CONTENT = "DecorView|LinearLayout|FrameLayout:id/content|";
+    private static final String DRAG_LAYER =
+            CONTENT + "LauncherRootView:id/launcher|DragLayer:id/drag_layer|";
+    private static final String RECENTS_DRAG_LAYER =
+            CONTENT + "LauncherRootView:id/launcher|RecentsDragLayer:id/drag_layer|";
+
+    private static final IgnoreNode IGNORED_NODES_ROOT = buildIgnoreNodesTree(List.of(
+            CONTENT + "LauncherRootView:id/launcher|FloatingIconView",
+            DRAG_LAYER
+                    + "SearchContainerView:id/apps_view|AllAppsRecyclerView:id/apps_list_view"
+                    + "|BubbleTextView:id/icon",
+            DRAG_LAYER + "LauncherRecentsView:id/overview_panel|TaskView|TextView",
+            DRAG_LAYER
+                    + "LauncherAllAppsContainerView:id/apps_view|AllAppsRecyclerView:id"
+                    + "/apps_list_view|BubbleTextView:id/icon",
+            CONTENT
+                    + "AddItemDragLayer:id/add_item_drag_layer|AddItemWidgetsBottomSheet:id"
+                    + "/add_item_bottom_sheet|LinearLayout:id/add_item_bottom_sheet_content"
+                    + "|ScrollView:id/widget_preview_scroll_view|WidgetCell:id/widget_cell"
+                    + "|WidgetCellPreview:id/widget_preview_container|WidgetImageView:id"
+                    + "/widget_preview",
+            CONTENT
+                    + "AddItemDragLayer:id/add_item_drag_layer|AddItemWidgetsBottomSheet:id"
+                    + "/add_item_bottom_sheet|LinearLayout:id/add_item_bottom_sheet_content"
+                    + "|ScrollView:id/widget_preview_scroll_view|WidgetCell:id/widget_cell"
+                    + "|WidgetCellPreview:id/widget_preview_container|ImageView:id/widget_badge",
+            RECENTS_DRAG_LAYER + "FallbackRecentsView:id/overview_panel|TaskView|IconView:id/icon",
+            DRAG_LAYER
+                    + "SearchContainerView:id/apps_view|UniversalSearchInputView:id"
+                    + "/search_container_all_apps|View:id/ripple",
+            DRAG_LAYER + "LauncherDragView"
+    ));
+
+    // Per-AnalysisNode data that's specific to this detector.
+    private static class NodeData {
+        public boolean ignoreFlashes;
+
+        // If ignoreNode is null, then this AnalysisNode node will be ignored if its parent is
+        // ignored.
+        // Otherwise, this AnalysisNode will be ignored if ignoreNode is a leaf i.e. has no
+        // children.
+        public IgnoreNode ignoreNode;
+    }
+
+    private NodeData getNodeData(AnalysisNode info) {
+        return (NodeData) info.detectorsData[detectorOrdinal];
+    }
+
+    @Override
+    void initializeNode(AnalysisNode info) {
+        final NodeData nodeData = new NodeData();
+        info.detectorsData[detectorOrdinal] = nodeData;
+
+        // If the parent view ignores flashes, its descendants will too.
+        final boolean parentIgnoresFlashes = info.parent != null && getNodeData(
+                info.parent).ignoreFlashes;
+        if (parentIgnoresFlashes) {
+            nodeData.ignoreFlashes = true;
+            return;
+        }
+
+        // Parent view doesn't ignore flashes.
+        // Initialize this AnalysisNode's ignore-node with the corresponding child of the
+        // ignore-node of the parent, if present.
+        final IgnoreNode parentIgnoreNode = info.parent != null
+                ? getNodeData(info.parent).ignoreNode
+                : IGNORED_NODES_ROOT;
+        nodeData.ignoreNode = parentIgnoreNode != null
+                ? parentIgnoreNode.children.get(info.nodeIdentity) : null;
+        // AnalysisNode will be ignored if the corresponding ignore-node is a leaf.
+        nodeData.ignoreFlashes =
+                nodeData.ignoreNode != null && nodeData.ignoreNode.children.isEmpty();
+    }
+
+    @Override
+    String detectAnomalies(AnalysisNode oldInfo, AnalysisNode newInfo, int frameN,
+            long frameTimeNs) {
+        // Should we check when a view was visible for a short period, then its alpha became 0?
+        // Then 'lastVisible' time should be the last one still visible?
+        // Check only transitions of alpha between 0 and 1?
+
+        // If this is the first time ever when we see the view, there have been no flashes yet.
+        if (oldInfo == null) return null;
+
+        // A flash requires a view to go from the full visibility to no-visibility and then back,
+        // or vice versa.
+        // If the last time the view was seen before the current frame, it didn't have full
+        // visibility; no flash can possibly be detected at the current frame.
+        if (oldInfo.alpha < 1) return null;
+
+        final AnalysisNode latestInfo = newInfo != null ? newInfo : oldInfo;
+        final NodeData nodeData = getNodeData(latestInfo);
+        if (nodeData.ignoreFlashes) return null;
+
+        // Once the view becomes invisible, see for how long it was visible prior to that. If it
+        // was visible only for a short interval of time, it's a flash.
+        if (
+            // View is invisible in the current frame
+                newInfo == null
+                        // When the view became visible last time, it was a transition from
+                        // no-visibility to full visibility.
+                        && oldInfo.timeBecameVisibleNs != -1) {
+            final long wasVisibleTimeMs = (frameTimeNs - oldInfo.timeBecameVisibleNs) / 1000000;
+
+            if (wasVisibleTimeMs <= FLASH_DURATION_MS) {
+                nodeData.ignoreFlashes = true; // No need to report flashes in children.
+                return
+                        String.format(
+                                "View was visible for a too short period of time %dms, which is a"
+                                        + " flash",
+                                wasVisibleTimeMs
+                        );
+            }
+        }
+
+        // Once a view becomes visible, see for how long it was invisible prior to that. If it
+        // was invisible only for a short interval of time, it's a flash.
+        if (
+            // The view is fully visible now
+                newInfo != null && newInfo.alpha >= 1
+                        // The view wasn't visible in the previous frame
+                        && frameN != oldInfo.frameN + 1) {
+            // We can assert the below condition because at this point, we know that
+            // oldInfo.alpha >= 1, i.e. it disappeared abruptly.
+            assertTrue("oldInfo.timeBecameInvisibleNs must not be -1",
+                    oldInfo.timeBecameInvisibleNs != -1);
+
+            final long wasInvisibleTimeMs = (frameTimeNs - oldInfo.timeBecameInvisibleNs) / 1000000;
+            if (wasInvisibleTimeMs <= FLASH_DURATION_MS) {
+                nodeData.ignoreFlashes = true; // No need to report flashes in children.
+                return
+                        String.format(
+                                "View was invisible for a too short period of time %dms, which "
+                                        + "is a flash",
+                                wasInvisibleTimeMs);
+            }
+        }
+        return null;
+    }
+}
diff --git a/tests/src/com/android/launcher3/util/viewcapture_analysis/ViewCaptureAnalyzer.java b/tests/src/com/android/launcher3/util/viewcapture_analysis/ViewCaptureAnalyzer.java
index 949c536..ccb4a1e 100644
--- a/tests/src/com/android/launcher3/util/viewcapture_analysis/ViewCaptureAnalyzer.java
+++ b/tests/src/com/android/launcher3/util/viewcapture_analysis/ViewCaptureAnalyzer.java
@@ -17,9 +17,6 @@
 
 import static android.view.View.VISIBLE;
 
-import androidx.annotation.NonNull;
-import androidx.annotation.Nullable;
-
 import com.android.app.viewcapture.data.ExportedData;
 import com.android.app.viewcapture.data.FrameData;
 import com.android.app.viewcapture.data.ViewNode;
@@ -36,40 +33,10 @@
 public class ViewCaptureAnalyzer {
     private static final String SCRIM_VIEW_CLASS = "com.android.launcher3.views.ScrimView";
 
-    /**
-     * Detector of one kind of anomaly.
-     */
-    abstract static class AnomalyDetector {
-        // Index of this detector in ViewCaptureAnalyzer.ANOMALY_DETECTORS
-        public int detectorOrdinal;
-
-        /**
-         * Initializes fields of the node that are specific to the anomaly detected by this
-         * detector.
-         */
-        abstract void initializeNode(@NonNull AnalysisNode info);
-
-        /**
-         * Detects anomalies by looking at the last occurrence of a view, and the current one.
-         * null value means that the view. 'oldInfo' and 'newInfo' cannot be both null.
-         * If an anomaly is detected, an exception will be thrown.
-         *
-         * @param oldInfo the view, as seen in the last frame that contained it in the view
-         *                hierarchy before 'currentFrame'. 'null' means that the view is first seen
-         *                in the 'currentFrame'.
-         * @param newInfo the view in the view hierarchy of the 'currentFrame'. 'null' means that
-         *                the view is not present in the 'currentFrame', but was present in earlier
-         *                frames.
-         * @param frameN  number of the current frame.
-         * @return Anomaly diagnostic message if an anomaly has been detected; null otherwise.
-         */
-        abstract String detectAnomalies(
-                @Nullable AnalysisNode oldInfo, @Nullable AnalysisNode newInfo, int frameN);
-    }
-
     // All detectors. They will be invoked in the order listed here.
     private static final AnomalyDetector[] ANOMALY_DETECTORS = {
-            new AlphaJumpDetector()
+            new AlphaJumpDetector(),
+            new FlashDetector()
     };
 
     static {
@@ -89,9 +56,21 @@
         // Visible scale and alpha, build recursively from the ancestor list.
         public float scaleX;
         public float scaleY;
-        public float alpha;
+        public float alpha; // Always > 0
 
         public int frameN;
+
+        // Timestamp of the frame when this view became abruptly visible, i.e. its alpha became 1
+        // the next frame after it was 0 or the view wasn't visible.
+        // If the view is currently invisible or the last appearance wasn't abrupt, the value is -1.
+        public long timeBecameVisibleNs;
+
+        // Timestamp of the frame when this view became abruptly invisible last time, i.e. its
+        // alpha became 0, or view disappeared, after being 1 in the previous frame.
+        // If the view is currently visible or the last disappearance wasn't abrupt, the value is
+        // -1.
+        public long timeBecameInvisibleNs;
+
         public ViewNode viewCaptureNode;
 
         // Class name + resource id
@@ -143,7 +122,9 @@
             Map<Integer, AnalysisNode> lastSeenNodes, int scrimClassIndex,
             Map<String, String> anomalies) {
         // Analyze the node tree starting from the root.
+        long frameTimeNs = frame.getTimestamp();
         analyzeView(
+                frameTimeNs,
                 frame.getNode(),
                 /* parent = */ null,
                 frameN,
@@ -154,7 +135,7 @@
                 scrimClassIndex,
                 anomalies);
 
-        // Analyze transitions when a view visible in the last frame become invisible in the
+        // Analyze transitions when a view visible in the previous frame became invisible in the
         // current one.
         for (AnalysisNode info : lastSeenNodes.values()) {
             if (info.frameN == frameN - 1) {
@@ -166,14 +147,18 @@
                                             frameN,
                                             /* oldInfo = */ info,
                                             /* newInfo = */ null,
-                                            anomalies)
+                                            anomalies,
+                                            frameTimeNs)
                     );
                 }
+                info.timeBecameInvisibleNs = info.alpha == 1 ? frameTimeNs : -1;
+                info.timeBecameVisibleNs = -1;
             }
         }
     }
 
-    private static void analyzeView(ViewNode viewCaptureNode, AnalysisNode parent, int frameN,
+    private static void analyzeView(long frameTimeNs, ViewNode viewCaptureNode, AnalysisNode parent,
+            int frameN,
             float leftShift, float topShift, ExportedData viewCaptureData,
             Map<Integer, AnalysisNode> lastSeenNodes, int scrimClassIndex,
             Map<String, String> anomalies) {
@@ -211,17 +196,31 @@
         newAnalysisNode.scaleY = scaleY;
         newAnalysisNode.alpha = alpha;
         newAnalysisNode.frameN = frameN;
+        newAnalysisNode.timeBecameInvisibleNs = -1;
         newAnalysisNode.viewCaptureNode = viewCaptureNode;
         Arrays.stream(ANOMALY_DETECTORS).forEach(
                 detector -> detector.initializeNode(newAnalysisNode));
 
-        // Detect anomalies for the view
         final AnalysisNode oldAnalysisNode = lastSeenNodes.get(hashcode); // may be null
+
+        if (oldAnalysisNode != null && oldAnalysisNode.frameN + 1 == frameN) {
+            // If this view was present in the previous frame, keep the time when it became visible.
+            newAnalysisNode.timeBecameVisibleNs = oldAnalysisNode.timeBecameVisibleNs;
+        } else {
+            // If the view is becoming visible after being invisible, initialize the time when it
+            // became visible with a new value.
+            // If the view became visible abruptly, i.e. alpha jumped from 0 to 1 between the
+            // previous and the current frames, then initialize with the time of the current
+            // frame. Otherwise, use -1.
+            newAnalysisNode.timeBecameVisibleNs = newAnalysisNode.alpha >= 1 ? frameTimeNs : -1;
+        }
+
+        // Detect anomalies for the view.
         if (frameN != 0 && !viewCaptureNode.getWillNotDraw()) {
             Arrays.stream(ANOMALY_DETECTORS).forEach(
                     detector ->
                             detectAnomaly(detector, frameN, oldAnalysisNode, newAnalysisNode,
-                                    anomalies)
+                                    anomalies, frameTimeNs)
             );
         }
         lastSeenNodes.put(hashcode, newAnalysisNode);
@@ -236,20 +235,22 @@
             // transparent.
             if (child.getClassnameIndex() == scrimClassIndex) break;
 
-            analyzeView(child, newAnalysisNode, frameN, leftShiftForChildren, topShiftForChildren,
+            analyzeView(frameTimeNs, child, newAnalysisNode, frameN, leftShiftForChildren,
+                    topShiftForChildren,
                     viewCaptureData, lastSeenNodes, scrimClassIndex, anomalies);
         }
     }
 
     private static void detectAnomaly(AnomalyDetector detector, int frameN,
             AnalysisNode oldAnalysisNode, AnalysisNode newAnalysisNode,
-            Map<String, String> anomalies) {
+            Map<String, String> anomalies, long frameTimeNs) {
         final String maybeAnomaly =
-                detector.detectAnomalies(oldAnalysisNode, newAnalysisNode, frameN);
+                detector.detectAnomalies(oldAnalysisNode, newAnalysisNode, frameN, frameTimeNs);
         if (maybeAnomaly != null) {
-            final String viewDiagPath = diagPathFromRoot(newAnalysisNode);
+            AnalysisNode latestInfo = newAnalysisNode != null ? newAnalysisNode : oldAnalysisNode;
+            final String viewDiagPath = diagPathFromRoot(latestInfo);
             if (!anomalies.containsKey(viewDiagPath)) {
-                anomalies.put(viewDiagPath, maybeAnomaly);
+                anomalies.put(viewDiagPath, String.format("%s, %s", maybeAnomaly, latestInfo));
             }
         }
     }