diff --git a/quickstep/src/com/android/launcher3/BaseQuickstepLauncher.java b/quickstep/src/com/android/launcher3/BaseQuickstepLauncher.java
index e9ded8a..4415b51 100644
--- a/quickstep/src/com/android/launcher3/BaseQuickstepLauncher.java
+++ b/quickstep/src/com/android/launcher3/BaseQuickstepLauncher.java
@@ -219,7 +219,7 @@
         mSplitPlaceholderView = findViewById(R.id.split_placeholder);
         RecentsView overviewPanel = (RecentsView) getOverviewPanel();
         mSplitPlaceholderView.init(
-                new SplitSelectStateController(SystemUiProxy.INSTANCE.get(this))
+                new SplitSelectStateController(mHandler, SystemUiProxy.INSTANCE.get(this))
         );
         overviewPanel.init(mActionsView, mSplitPlaceholderView);
         mActionsView.updateVerticalMargin(SysUINavigationMode.getMode(this));
diff --git a/quickstep/src/com/android/quickstep/FallbackActivityInterface.java b/quickstep/src/com/android/quickstep/FallbackActivityInterface.java
index e13d1a4..8168e88 100644
--- a/quickstep/src/com/android/quickstep/FallbackActivityInterface.java
+++ b/quickstep/src/com/android/quickstep/FallbackActivityInterface.java
@@ -27,6 +27,7 @@
 import androidx.annotation.Nullable;
 
 import com.android.launcher3.DeviceProfile;
+import com.android.launcher3.statemanager.StateManager;
 import com.android.launcher3.touch.PagedOrientationHandler;
 import com.android.quickstep.fallback.RecentsState;
 import com.android.quickstep.util.ActivityInitListener;
@@ -139,7 +140,25 @@
 
     @Override
     public void onExitOverview(RotationTouchHelper deviceState, Runnable exitRunnable) {
-        // no-op, fake landscape not supported for 3P
+        final StateManager<RecentsState> stateManager = getCreatedActivity().getStateManager();
+        if (stateManager.getState() == HOME) {
+            exitRunnable.run();
+            notifyRecentsOfOrientation(deviceState);
+            return;
+        }
+
+        stateManager.addStateListener(
+                new StateManager.StateListener<RecentsState>() {
+                    @Override
+                    public void onStateTransitionComplete(RecentsState toState) {
+                        // Are we going from Recents to Workspace?
+                        if (toState == HOME) {
+                            exitRunnable.run();
+                            notifyRecentsOfOrientation(deviceState);
+                            stateManager.removeStateListener(this);
+                        }
+                    }
+                });
     }
 
     @Override
diff --git a/quickstep/src/com/android/quickstep/RecentsActivity.java b/quickstep/src/com/android/quickstep/RecentsActivity.java
index 06137f2..7c453e7 100644
--- a/quickstep/src/com/android/quickstep/RecentsActivity.java
+++ b/quickstep/src/com/android/quickstep/RecentsActivity.java
@@ -108,8 +108,7 @@
 
         SplitPlaceholderView splitPlaceholderView = findViewById(R.id.split_placeholder);
         splitPlaceholderView.init(
-                new SplitSelectStateController(
-                        SystemUiProxy.INSTANCE.get(this))
+                new SplitSelectStateController(mUiHandler, SystemUiProxy.INSTANCE.get(this))
         );
 
         mDragLayer.recreateControllers();
diff --git a/quickstep/src/com/android/quickstep/SystemUiProxy.java b/quickstep/src/com/android/quickstep/SystemUiProxy.java
index 1f332c4..0ee28bc 100644
--- a/quickstep/src/com/android/quickstep/SystemUiProxy.java
+++ b/quickstep/src/com/android/quickstep/SystemUiProxy.java
@@ -35,6 +35,7 @@
 import android.view.MotionEvent;
 
 import com.android.launcher3.util.MainThreadInitializedObject;
+import com.android.launcher3.util.SplitConfigurationOptions;
 import com.android.systemui.shared.recents.ISystemUiProxy;
 import com.android.systemui.shared.recents.model.Task;
 import com.android.systemui.shared.system.RemoteTransitionCompat;
@@ -491,6 +492,20 @@
         }
     }
 
+    /** Start multiple tasks in split-screen simultaneously. */
+    public void startTasks(int mainTaskId, Bundle mainOptions, int sideTaskId, Bundle sideOptions,
+            @SplitConfigurationOptions.StagePosition int sidePosition,
+            RemoteTransitionCompat remoteTransition) {
+        if (mSystemUiProxy != null) {
+            try {
+                mSplitScreen.startTasks(mainTaskId, mainOptions, sideTaskId, sideOptions,
+                        sidePosition, remoteTransition.getTransition());
+            } catch (RemoteException e) {
+                Log.w(TAG, "Failed call startTask");
+            }
+        }
+    }
+
     public void startShortcut(String packageName, String shortcutId, int stage, int position,
             Bundle options, UserHandle user) {
         if (mSplitScreen != null) {
diff --git a/quickstep/src/com/android/quickstep/TaskViewUtils.java b/quickstep/src/com/android/quickstep/TaskViewUtils.java
index bea1250..cbb2a66 100644
--- a/quickstep/src/com/android/quickstep/TaskViewUtils.java
+++ b/quickstep/src/com/android/quickstep/TaskViewUtils.java
@@ -15,6 +15,9 @@
  */
 package com.android.quickstep;
 
+import static android.view.WindowManager.TRANSIT_OPEN;
+import static android.view.WindowManager.TRANSIT_TO_FRONT;
+
 import static com.android.launcher3.LauncherAnimUtils.VIEW_ALPHA;
 import static com.android.launcher3.LauncherState.BACKGROUND_APP;
 import static com.android.launcher3.LauncherState.NORMAL;
@@ -47,7 +50,9 @@
 import android.graphics.Rect;
 import android.graphics.RectF;
 import android.os.Build;
+import android.view.SurfaceControl;
 import android.view.View;
+import android.window.TransitionInfo;
 
 import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
@@ -352,7 +357,47 @@
      * device is considered in multiWindowMode and things like insets and stuff change
      * and calculations have to be adjusted in the animations for that
      */
-    public static void composeRecentsSplitLaunchAnimator(@NonNull AnimatorSet anim,
+    public static void composeRecentsSplitLaunchAnimator(@NonNull TaskView initialView,
+            @NonNull TaskView v, @NonNull TransitionInfo transitionInfo,
+            SurfaceControl.Transaction t, @NonNull Runnable finishCallback) {
+
+        final TransitionInfo.Change[] splitRoots = new TransitionInfo.Change[2];
+        for (int i = 0; i < transitionInfo.getChanges().size(); ++i) {
+            final TransitionInfo.Change change = transitionInfo.getChanges().get(i);
+            final int taskId = change.getTaskInfo() != null ? change.getTaskInfo().taskId : -1;
+            final int mode = change.getMode();
+            // Find the target tasks' root tasks since those are the split stages that need to
+            // be animated (the tasks themselves are children and thus inherit animation).
+            if (taskId == initialView.getTask().key.id || taskId == v.getTask().key.id) {
+                if (!(mode == TRANSIT_OPEN || mode == TRANSIT_TO_FRONT)) {
+                    throw new IllegalStateException(
+                            "Expected task to be showing, but it is " + mode);
+                }
+                if (change.getParent() == null) {
+                    throw new IllegalStateException("Initiating multi-split launch but the split"
+                            + "root of " + taskId + " is already visible or has broken hierarchy.");
+                }
+                splitRoots[taskId == initialView.getTask().key.id ? 0 : 1] =
+                        transitionInfo.getChange(change.getParent());
+            }
+        }
+
+        // This is where we should animate the split roots. For now, though, just make them visible.
+        for (int i = 0; i < 2; ++i) {
+            t.show(splitRoots[i].getLeash());
+            t.setAlpha(splitRoots[i].getLeash(), 1.f);
+        }
+
+        // This contains the initial state (before animation), so apply this at the beginning of
+        // the animation.
+        t.apply();
+
+        // Once there is an animation, this should be called AFTER the animation completes.
+        finishCallback.run();
+    }
+
+    /** Legacy version (until shell transitions are enabled) */
+    public static void composeRecentsSplitLaunchAnimatorLegacy(@NonNull AnimatorSet anim,
             @NonNull TaskView v, @NonNull RemoteAnimationTargetCompat[] appTargets,
             @NonNull RemoteAnimationTargetCompat[] wallpaperTargets,
             @NonNull RemoteAnimationTargetCompat[] nonAppTargets, boolean launcherClosing,
diff --git a/quickstep/src/com/android/quickstep/util/SplitSelectStateController.java b/quickstep/src/com/android/quickstep/util/SplitSelectStateController.java
index e3f2925..9576eac 100644
--- a/quickstep/src/com/android/quickstep/util/SplitSelectStateController.java
+++ b/quickstep/src/com/android/quickstep/util/SplitSelectStateController.java
@@ -16,11 +16,17 @@
 
 package com.android.quickstep.util;
 
+import static com.android.launcher3.util.Executors.MAIN_EXECUTOR;
+import static com.android.launcher3.util.SplitConfigurationOptions.STAGE_POSITION_BOTTOM_OR_RIGHT;
+import static com.android.launcher3.util.SplitConfigurationOptions.STAGE_POSITION_TOP_OR_LEFT;
+
 import android.animation.AnimatorSet;
 import android.app.ActivityOptions;
 import android.os.Handler;
 import android.os.Looper;
 import android.util.Pair;
+import android.view.SurfaceControl;
+import android.window.TransitionInfo;
 
 import androidx.annotation.Nullable;
 
@@ -31,12 +37,15 @@
 import com.android.launcher3.WrappedLauncherAnimationRunner;
 import com.android.launcher3.util.SplitConfigurationOptions.SplitPositionOption;
 import com.android.quickstep.SystemUiProxy;
+import com.android.quickstep.TaskAnimationManager;
 import com.android.quickstep.TaskViewUtils;
 import com.android.quickstep.views.TaskView;
 import com.android.systemui.shared.system.ActivityOptionsCompat;
 import com.android.systemui.shared.system.RemoteAnimationAdapterCompat;
 import com.android.systemui.shared.system.RemoteAnimationRunnerCompat;
 import com.android.systemui.shared.system.RemoteAnimationTargetCompat;
+import com.android.systemui.shared.system.RemoteTransitionCompat;
+import com.android.systemui.shared.system.RemoteTransitionRunner;
 
 /**
  * Represent data needed for the transient state when user has selected one app for split screen
@@ -47,9 +56,11 @@
     private final SystemUiProxy mSystemUiProxy;
     private TaskView mInitialTaskView;
     private SplitPositionOption mInitialPosition;
+    private final Handler mHandler;
 
-    public SplitSelectStateController(SystemUiProxy systemUiProxy) {
+    public SplitSelectStateController(Handler handler, SystemUiProxy systemUiProxy) {
         mSystemUiProxy = systemUiProxy;
+        mHandler = handler;
     }
 
     /**
@@ -64,6 +75,19 @@
      * To be called after second task selected
      */
     public void setSecondTaskId(TaskView taskView) {
+        if (TaskAnimationManager.ENABLE_SHELL_TRANSITIONS) {
+            // Assume initial task is for top/left part of screen
+            final int[] taskIds = mInitialPosition.mStagePosition == STAGE_POSITION_TOP_OR_LEFT
+                    ? new int[]{mInitialTaskView.getTask().key.id, taskView.getTask().key.id}
+                    : new int[]{taskView.getTask().key.id, mInitialTaskView.getTask().key.id};
+
+            RemoteSplitLaunchAnimationRunner animationRunner =
+                    new RemoteSplitLaunchAnimationRunner(mInitialTaskView, taskView);
+            mSystemUiProxy.startTasks(taskIds[0], null /* mainOptions */, taskIds[1],
+                    null /* sideOptions */, STAGE_POSITION_BOTTOM_OR_RIGHT,
+                    new RemoteTransitionCompat(animationRunner, MAIN_EXECUTOR));
+            return;
+        }
         // Assume initial mInitialTaskId is for top/left part of screen
         WrappedAnimationRunnerImpl initialSplitRunnerWrapped =  new SplitLaunchAnimationRunner(
                 mInitialTaskView, 0);
@@ -96,6 +120,30 @@
     }
 
     /**
+     * Requires Shell Transitions
+     */
+    private class RemoteSplitLaunchAnimationRunner implements RemoteTransitionRunner {
+
+        private final TaskView mInitialTaskView;
+        private final TaskView mTaskView;
+
+        RemoteSplitLaunchAnimationRunner(TaskView initialTaskView, TaskView taskView) {
+            mInitialTaskView = initialTaskView;
+            mTaskView = taskView;
+        }
+
+        @Override
+        public void startAnimation(TransitionInfo info, SurfaceControl.Transaction t,
+                Runnable finishCallback) {
+            TaskViewUtils.composeRecentsSplitLaunchAnimator(mInitialTaskView, mTaskView,
+                    info, t, finishCallback);
+            // After successful launch, call resetState
+            resetState();
+        }
+    }
+
+    /**
+     * LEGACY
      * @return the opposite stage and position from the {@param position} provided as first and
      *         second object, respectively
      * Ex. If position is has stage = Main and position = Top/Left, this will return
@@ -109,6 +157,7 @@
     }
 
     /**
+     * LEGACY
      * Remote animation runner for animation to launch an app.
      */
     private class SplitLaunchAnimationRunner implements WrappedAnimationRunnerImpl {
@@ -129,7 +178,7 @@
                 LauncherAnimationRunner.AnimationResult result) {
             AnimatorSet anim = new AnimatorSet();
             BaseQuickstepLauncher activity = BaseActivity.fromContext(mV.getContext());
-            TaskViewUtils.composeRecentsSplitLaunchAnimator(anim, mV,
+            TaskViewUtils.composeRecentsSplitLaunchAnimatorLegacy(anim, mV,
                     appTargets, wallpaperTargets, nonAppTargets, true, activity.getStateManager(),
                     activity.getDepthController(), mTargetState);
             result.setAnimation(anim, activity);
diff --git a/res/layout/widgets_list_row_header.xml b/res/layout/widgets_list_row_header.xml
index 598041c..8259c16 100644
--- a/res/layout/widgets_list_row_header.xml
+++ b/res/layout/widgets_list_row_header.xml
@@ -15,6 +15,7 @@
 -->
 <com.android.launcher3.widget.picker.WidgetsListHeader xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:tools="http://schemas.android.com/tools"
+    xmlns:launcher="http://schemas.android.com/apk/res-auto"
     android:id="@+id/widgets_list_header"
     android:layout_width="match_parent"
     android:layout_height="wrap_content"
@@ -22,7 +23,8 @@
     android:background="@drawable/widgets_list_middle_ripple"
     android:layout_marginBottom="@dimen/widget_list_entry_bottom_margin"
     android:paddingVertical="@dimen/widget_list_header_view_vertical_padding"
-    android:orientation="horizontal">
+    android:orientation="horizontal"
+    launcher:appIconSize="48dp">
 
     <ImageView
         android:id="@+id/app_icon"
diff --git a/res/values/strings.xml b/res/values/strings.xml
index 986180c..9072907 100644
--- a/res/values/strings.xml
+++ b/res/values/strings.xml
@@ -95,6 +95,9 @@
     <!-- Tab label. A user can tap this tab to access their work widgets. [CHAR_LIMIT=25] -->
     <string name="widgets_full_sheet_work_tab">Work</string>
 
+    <!-- A widget category label for grouping widgets related to conversations. [CHAR_LIMIT=30] -->
+    <string name="widget_category_conversations">Conversations</string>
+
     <!-- All Apps -->
     <!-- Search bar text in the apps view. [CHAR_LIMIT=50] -->
     <string name="all_apps_search_bar_hint">Search apps</string>
diff --git a/src/com/android/launcher3/icons/IconCache.java b/src/com/android/launcher3/icons/IconCache.java
index 988794c..a2c0f5c 100644
--- a/src/com/android/launcher3/icons/IconCache.java
+++ b/src/com/android/launcher3/icons/IconCache.java
@@ -39,6 +39,7 @@
 
 import com.android.launcher3.InvariantDeviceProfile;
 import com.android.launcher3.LauncherFiles;
+import com.android.launcher3.R;
 import com.android.launcher3.Utilities;
 import com.android.launcher3.config.FeatureFlags;
 import com.android.launcher3.icons.ComponentWithLabel.ComponentCachingLogic;
@@ -304,6 +305,11 @@
         CacheEntry entry = getEntryForPackageLocked(
                 infoInOut.packageName, infoInOut.user, useLowResIcon);
         applyCacheEntry(entry, infoInOut);
+        if (infoInOut.category == PackageItemInfo.CONVERSATIONS) {
+            infoInOut.title = mContext.getString(R.string.widget_category_conversations);
+            infoInOut.contentDescription = mPackageManager.getUserBadgedLabel(
+                    infoInOut.title, infoInOut.user);
+        }
     }
 
     protected void applyCacheEntry(CacheEntry entry, ItemInfoWithIcon info) {
diff --git a/src/com/android/launcher3/model/data/PackageItemInfo.java b/src/com/android/launcher3/model/data/PackageItemInfo.java
index 7617d7e..a81fe6a 100644
--- a/src/com/android/launcher3/model/data/PackageItemInfo.java
+++ b/src/com/android/launcher3/model/data/PackageItemInfo.java
@@ -16,27 +16,47 @@
 
 package com.android.launcher3.model.data;
 
+import androidx.annotation.IntDef;
+
 import com.android.launcher3.LauncherSettings;
 
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
 import java.util.Objects;
 
 /**
  * Represents a {@link Package} in the widget tray section.
  */
 public class PackageItemInfo extends ItemInfoWithIcon {
+    @Retention(RetentionPolicy.SOURCE)
+    @IntDef({NO_CATEGORY, CONVERSATIONS})
+    public @interface Category{}
+    /** The package is not categorized in the widget tray. */
+    public static final int NO_CATEGORY = 0;
+    /** The package is categorized to conversations widget in the widget tray. */
+    public static final int CONVERSATIONS = 1;
 
     /**
      * Package name of the {@link PackageItemInfo}.
      */
-    public String packageName;
+    public final String packageName;
+
+    /** Represents a widget category shown in the widget tray section. */
+    @Category public final int category;
 
     public PackageItemInfo(String packageName) {
+        this(packageName, NO_CATEGORY);
+    }
+
+    public PackageItemInfo(String packageName, @Category int category) {
         this.packageName = packageName;
+        this.category = category;
         this.itemType = LauncherSettings.Favorites.ITEM_TYPE_NON_ACTIONABLE;
     }
 
     public PackageItemInfo(PackageItemInfo copy) {
         this.packageName = copy.packageName;
+        this.category = copy.category;
         this.itemType = LauncherSettings.Favorites.ITEM_TYPE_NON_ACTIONABLE;
     }
 
diff --git a/src/com/android/launcher3/widget/WidgetsBottomSheet.java b/src/com/android/launcher3/widget/WidgetsBottomSheet.java
index bbb0d92..0670928 100644
--- a/src/com/android/launcher3/widget/WidgetsBottomSheet.java
+++ b/src/com/android/launcher3/widget/WidgetsBottomSheet.java
@@ -170,9 +170,9 @@
         WidgetCell widget = (WidgetCell) LayoutInflater.from(getContext())
                 .inflate(R.layout.widget_cell, parent, false);
 
-        WidgetImageView preview = widget.findViewById(R.id.widget_preview);
-        preview.setOnClickListener(this);
-        preview.setOnLongClickListener(this);
+        View preview_container = widget.findViewById(R.id.widget_preview_container);
+        preview_container.setOnClickListener(this);
+        preview_container.setOnLongClickListener(this);
         widget.setAnimatePreview(false);
 
         parent.addView(widget);
diff --git a/src/com/android/launcher3/widget/picker/WidgetsListHeader.java b/src/com/android/launcher3/widget/picker/WidgetsListHeader.java
index 497c72e..8794a4a 100644
--- a/src/com/android/launcher3/widget/picker/WidgetsListHeader.java
+++ b/src/com/android/launcher3/widget/picker/WidgetsListHeader.java
@@ -156,6 +156,11 @@
     private void applyDrawables(Drawable icon) {
         icon.setBounds(0, 0, mIconSize, mIconSize);
 
+        LinearLayout.LayoutParams layoutParams =
+                (LinearLayout.LayoutParams) mAppIcon.getLayoutParams();
+        layoutParams.width = mIconSize;
+        layoutParams.height = mIconSize;
+        mAppIcon.setLayoutParams(layoutParams);
         mAppIcon.setImageDrawable(icon);
 
         // If the current icon is a placeholder color, animate its update.
diff --git a/src_shortcuts_overrides/com/android/launcher3/model/WidgetsModel.java b/src_shortcuts_overrides/com/android/launcher3/model/WidgetsModel.java
index f82f2cc..be18e54 100644
--- a/src_shortcuts_overrides/com/android/launcher3/model/WidgetsModel.java
+++ b/src_shortcuts_overrides/com/android/launcher3/model/WidgetsModel.java
@@ -36,6 +36,7 @@
 import com.android.launcher3.widget.picker.WidgetsDiffReporter;
 
 import java.util.ArrayList;
+import java.util.Arrays;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
@@ -58,6 +59,9 @@
     private static final String TAG = "WidgetsModel";
     private static final boolean DEBUG = false;
 
+    private static final ComponentName CONVERSATION_WIDGET = ComponentName.createRelative(
+            "com.android.systemui", ".people.widget.PeopleSpaceWidgetProvider");
+
     /* Map of widgets and shortcuts that are tracked per package. */
     private final Map<PackageItemInfo, List<WidgetItem>> mWidgetsList = new HashMap<>();
 
@@ -156,7 +160,7 @@
 
         // Temporary list for {@link PackageItemInfos} to avoid having to go through
         // {@link mPackageItemInfos} to locate the key to be used for {@link #mWidgetsList}
-        HashMap<PackageUserKey, PackageItemInfo> tmpPackageItemInfos = new HashMap<>();
+        HashMap<WidgetPackageOrCategoryKey, PackageItemInfo> tmpPackageItemInfos = new HashMap<>();
 
         // Clear the lists only if this is an update on all widgets and shortcuts. If packageUser
         // isn't null, only updates the shortcuts and widgets for the app represented in
@@ -168,11 +172,11 @@
         mWidgetsList.putAll(rawWidgetsShortcuts.stream()
                 .filter(new WidgetValidityCheck(app))
                 .collect(Collectors.groupingBy(item -> {
-                    PackageUserKey packageUserKey = new PackageUserKey(
-                            item.componentName.getPackageName(), item.user);
+                    WidgetPackageOrCategoryKey packageUserKey = getWidgetPackageOrCategoryKey(item);
                     PackageItemInfo pInfo = tmpPackageItemInfos.get(packageUserKey);
                     if (pInfo == null) {
-                        pInfo = new PackageItemInfo(packageUserKey.mPackageName);
+                        pInfo = new PackageItemInfo(item.componentName.getPackageName(),
+                                packageUserKey.mCategory);
                         pInfo.user = item.user;
                         tmpPackageItemInfos.put(packageUserKey,  pInfo);
                     }
@@ -224,6 +228,13 @@
         return null;
     }
 
+    private WidgetPackageOrCategoryKey getWidgetPackageOrCategoryKey(WidgetItem item) {
+        if (CONVERSATION_WIDGET.equals(item.componentName)) {
+            return new WidgetPackageOrCategoryKey(PackageItemInfo.CONVERSATIONS, item.user);
+        }
+        return new WidgetPackageOrCategoryKey(item.componentName.getPackageName(), item.user);
+    }
+
     private static class WidgetValidityCheck implements Predicate<WidgetItem> {
 
         private final InvariantDeviceProfile mIdp;
@@ -265,4 +276,40 @@
             return true;
         }
     }
+
+    /** A hash key for grouping widgets by package name or category. */
+    private static class WidgetPackageOrCategoryKey {
+        /**
+         * The package name of the widget provider.
+         *
+         * <p>This shouldn't be empty if {@link #mCategory} has a value,
+         * {@link PackageItemInfo#NO_CATEGORY}.
+         */
+        public final String mPackage;
+        /** A widget category. */
+        @PackageItemInfo.Category public final int mCategory;
+        public final UserHandle mUser;
+        private final int mHashCode;
+
+        WidgetPackageOrCategoryKey(String packageName, UserHandle user) {
+            this(packageName,  PackageItemInfo.NO_CATEGORY, user);
+        }
+
+        WidgetPackageOrCategoryKey(@PackageItemInfo.Category int category, UserHandle user) {
+            this("", category, user);
+        }
+
+        private WidgetPackageOrCategoryKey(String packageName,
+                @PackageItemInfo.Category int category, UserHandle user) {
+            mPackage = packageName;
+            mCategory = category;
+            mUser = user;
+            mHashCode = Arrays.hashCode(new Object[]{mPackage, mCategory, mUser});
+        }
+
+        @Override
+        public int hashCode() {
+            return mHashCode;
+        }
+    }
 }
\ No newline at end of file