Merge "Shows AppPairs in previous tasks" into sc-v2-dev am: 524d6b83e9

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/16134803

Change-Id: I244d0877336d28d6d76a5c45c78811bfc662755b
diff --git a/quickstep/src/com/android/quickstep/AbsSwipeUpHandler.java b/quickstep/src/com/android/quickstep/AbsSwipeUpHandler.java
index a0a940b..972ce4d 100644
--- a/quickstep/src/com/android/quickstep/AbsSwipeUpHandler.java
+++ b/quickstep/src/com/android/quickstep/AbsSwipeUpHandler.java
@@ -1809,13 +1809,8 @@
                 mGestureState.updateLastStartedTaskId(taskId);
                 boolean hasTaskPreviouslyAppeared = mGestureState.getPreviouslyAppearedTaskIds()
                         .contains(taskId);
-                boolean isOldTaskSplit = LauncherSplitScreenListener.INSTANCE.getNoCreate()
-                        .getRunningSplitTaskIds().length > 0;
                 nextTask.launchTask(success -> {
                     resultCallback.accept(success);
-                    if (isOldTaskSplit) {
-                        SystemUiProxy.INSTANCE.getNoCreate().exitSplitScreen(taskId);
-                    }
                     if (success) {
                         if (hasTaskPreviouslyAppeared) {
                             onRestartPreviouslyAppearedTask();
diff --git a/quickstep/src/com/android/quickstep/RecentTasksList.java b/quickstep/src/com/android/quickstep/RecentTasksList.java
index 79dd633..c5f4a53 100644
--- a/quickstep/src/com/android/quickstep/RecentTasksList.java
+++ b/quickstep/src/com/android/quickstep/RecentTasksList.java
@@ -27,12 +27,14 @@
 
 import androidx.annotation.VisibleForTesting;
 
+import com.android.quickstep.util.GroupTask;
 import com.android.launcher3.util.LooperExecutor;
-import com.android.systemui.shared.recents.model.GroupTask;
+import com.android.launcher3.util.SplitConfigurationOptions;
 import com.android.systemui.shared.recents.model.Task;
 import com.android.systemui.shared.system.KeyguardManagerCompat;
 import com.android.wm.shell.recents.IRecentTasksListener;
 import com.android.wm.shell.util.GroupedRecentTaskInfo;
+import com.android.wm.shell.util.StagedSplitBounds;
 
 import java.util.ArrayList;
 import java.util.Collections;
@@ -192,12 +194,23 @@
                                 tmpLockedUsers.get(task2Key.userId) /* isLocked */);
                 task2.setLastSnapshotData(taskInfo2);
             }
-            allTasks.add(new GroupTask(task1, task2));
+            final SplitConfigurationOptions.StagedSplitBounds launcherSplitBounds =
+                    convertSplitBounds(rawTask.mStagedSplitBounds);
+            allTasks.add(new GroupTask(task1, task2, launcherSplitBounds));
         }
 
         return allTasks;
     }
 
+    private SplitConfigurationOptions.StagedSplitBounds convertSplitBounds(
+            StagedSplitBounds shellSplitBounds) {
+        return shellSplitBounds == null ?
+                null :
+                new SplitConfigurationOptions.StagedSplitBounds(
+                        shellSplitBounds.leftTopBounds, shellSplitBounds.rightBottomBounds,
+                        shellSplitBounds.leftTopTaskId, shellSplitBounds.rightBottomTaskId);
+    }
+
     private ArrayList<GroupTask> copyOf(ArrayList<GroupTask> tasks) {
         ArrayList<GroupTask> newTasks = new ArrayList<>();
         for (int i = 0; i < tasks.size(); i++) {
diff --git a/quickstep/src/com/android/quickstep/RecentsModel.java b/quickstep/src/com/android/quickstep/RecentsModel.java
index 71153c6..ac97dd6 100644
--- a/quickstep/src/com/android/quickstep/RecentsModel.java
+++ b/quickstep/src/com/android/quickstep/RecentsModel.java
@@ -34,7 +34,7 @@
 import com.android.launcher3.icons.IconProvider.IconChangeListener;
 import com.android.launcher3.util.Executors.SimpleThreadFactory;
 import com.android.launcher3.util.MainThreadInitializedObject;
-import com.android.systemui.shared.recents.model.GroupTask;
+import com.android.quickstep.util.GroupTask;
 import com.android.systemui.shared.recents.model.Task;
 import com.android.systemui.shared.recents.model.ThumbnailData;
 import com.android.systemui.shared.system.ActivityManagerWrapper;
diff --git a/quickstep/src/com/android/quickstep/RemoteTargetGluer.java b/quickstep/src/com/android/quickstep/RemoteTargetGluer.java
index 5f2b49d..0871a6d 100644
--- a/quickstep/src/com/android/quickstep/RemoteTargetGluer.java
+++ b/quickstep/src/com/android/quickstep/RemoteTargetGluer.java
@@ -20,7 +20,7 @@
 
 import androidx.annotation.Nullable;
 
-import com.android.launcher3.util.SplitConfigurationOptions;
+import com.android.launcher3.util.SplitConfigurationOptions.StagedSplitBounds;
 import com.android.quickstep.util.AnimatorControllerWithResistance;
 import com.android.quickstep.util.LauncherSplitScreenListener;
 import com.android.quickstep.util.TaskViewSimulator;
@@ -33,7 +33,7 @@
  */
 public class RemoteTargetGluer {
     private RemoteTargetHandle[] mRemoteTargetHandles;
-    private SplitConfigurationOptions.StagedSplitBounds mStagedSplitBounds;
+    private StagedSplitBounds mStagedSplitBounds;
 
     /**
      * Use this constructor if remote targets are split-screen independent
@@ -108,9 +108,9 @@
             primaryTaskTarget = targets.findTask(splitIds[0]);
             secondaryTaskTarget = targets.findTask(splitIds[1]);
 
-            mStagedSplitBounds = new SplitConfigurationOptions.StagedSplitBounds(
+            mStagedSplitBounds = new StagedSplitBounds(
                     primaryTaskTarget.screenSpaceBounds,
-                    secondaryTaskTarget.screenSpaceBounds);
+                    secondaryTaskTarget.screenSpaceBounds, splitIds[0], splitIds[1]);
             mRemoteTargetHandles[0].mTransformParams.setTargetSet(
                     createRemoteAnimationTargetsForTarget(primaryTaskTarget, targets));
             mRemoteTargetHandles[0].mTaskViewSimulator.setPreview(primaryTaskTarget,
@@ -135,7 +135,7 @@
         return mRemoteTargetHandles;
     }
 
-    public SplitConfigurationOptions.StagedSplitBounds getStagedSplitBounds() {
+    public StagedSplitBounds getStagedSplitBounds() {
         return mStagedSplitBounds;
     }
 
diff --git a/quickstep/src/com/android/quickstep/SystemUiProxy.java b/quickstep/src/com/android/quickstep/SystemUiProxy.java
index a875b69..4239739 100644
--- a/quickstep/src/com/android/quickstep/SystemUiProxy.java
+++ b/quickstep/src/com/android/quickstep/SystemUiProxy.java
@@ -572,53 +572,6 @@
         mPendingSplitScreenListener = null;
     }
 
-    public void setSideStageVisibility(boolean visible) {
-        if (mSplitScreen != null) {
-            try {
-                mSplitScreen.setSideStageVisibility(visible);
-            } catch (RemoteException e) {
-                Log.w(TAG, "Failed call setSideStageVisibility");
-            }
-        }
-    }
-
-    /**
-     * To be called whenever the user exits out of split screen apps (either by launching another
-     * app or by swiping home)
-     * @param topTaskId The taskId of the new app that was launched. System will then move this task
-     *                  to the front of what the user sees while removing all other split stages.
-     *                  If swiping to home (or there is no task to put at the top), can pass in -1.
-     */
-    public void exitSplitScreen(int topTaskId) {
-        if (mSplitScreen != null) {
-            try {
-                mSplitScreen.exitSplitScreen(topTaskId);
-            } catch (RemoteException e) {
-                Log.w(TAG, "Failed call exitSplitScreen");
-            }
-        }
-    }
-
-    public void exitSplitScreenOnHide(boolean exitSplitScreenOnHide) {
-        if (mSplitScreen != null) {
-            try {
-                mSplitScreen.exitSplitScreenOnHide(exitSplitScreenOnHide);
-            } catch (RemoteException e) {
-                Log.w(TAG, "Failed call exitSplitScreen");
-            }
-        }
-    }
-
-    public void startTask(int taskId, int stage, int position, Bundle options) {
-        if (mSplitScreen != null) {
-            try {
-                mSplitScreen.startTask(taskId, stage, position, options);
-            } catch (RemoteException e) {
-                Log.w(TAG, "Failed call startTask");
-            }
-        }
-    }
-
     /** Start multiple tasks in split-screen simultaneously. */
     public void startTasks(int mainTaskId, Bundle mainOptions, int sideTaskId, Bundle sideOptions,
             @SplitConfigurationOptions.StagePosition int sidePosition,
diff --git a/quickstep/src/com/android/quickstep/fallback/FallbackRecentsView.java b/quickstep/src/com/android/quickstep/fallback/FallbackRecentsView.java
index 15a5c3e..eff59e2 100644
--- a/quickstep/src/com/android/quickstep/fallback/FallbackRecentsView.java
+++ b/quickstep/src/com/android/quickstep/fallback/FallbackRecentsView.java
@@ -42,7 +42,7 @@
 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.GroupTask;
+import com.android.quickstep.util.GroupTask;
 import com.android.systemui.shared.recents.model.Task;
 import com.android.systemui.shared.recents.model.Task.TaskKey;
 
@@ -175,7 +175,7 @@
                 newList.addAll(taskGroups);
                 newList.add(new GroupTask(
                         Task.from(new TaskKey(mHomeTaskInfo), mHomeTaskInfo, false),
-                        null));
+                        null, null));
                 taskGroups = newList;
             }
         }
diff --git a/quickstep/src/com/android/quickstep/util/GroupTask.java b/quickstep/src/com/android/quickstep/util/GroupTask.java
new file mode 100644
index 0000000..e2563e3
--- /dev/null
+++ b/quickstep/src/com/android/quickstep/util/GroupTask.java
@@ -0,0 +1,56 @@
+/*
+ * Copyright (C) 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.quickstep.util;
+
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+
+import com.android.launcher3.util.SplitConfigurationOptions.StagedSplitBounds;
+import com.android.systemui.shared.recents.model.Task;
+
+/**
+ * A {@link Task} container that can contain one or two tasks, depending on if the two tasks
+ * are represented as an app-pair in the recents task list.
+ */
+public class GroupTask {
+    public @NonNull Task task1;
+    public @Nullable Task task2;
+    public @Nullable StagedSplitBounds mStagedSplitBounds;
+
+    public GroupTask(@NonNull Task t1, @Nullable Task t2,
+            @Nullable StagedSplitBounds stagedSplitBounds) {
+        task1 = t1;
+        task2 = t2;
+        mStagedSplitBounds = stagedSplitBounds;
+    }
+
+    public GroupTask(@NonNull GroupTask group) {
+        task1 = new Task(group.task1);
+        task2 = group.task2 != null
+                ? new Task(group.task2)
+                : null;
+        mStagedSplitBounds = group.mStagedSplitBounds;
+    }
+
+    public boolean containsTask(int taskId) {
+        return task1.key.id == taskId || (task2 != null && task2.key.id == taskId);
+    }
+
+    public boolean hasMultipleTasks() {
+        return task2 != null;
+    }
+}
diff --git a/quickstep/src/com/android/quickstep/util/LauncherSplitScreenListener.java b/quickstep/src/com/android/quickstep/util/LauncherSplitScreenListener.java
index fa4cddc..99efb39 100644
--- a/quickstep/src/com/android/quickstep/util/LauncherSplitScreenListener.java
+++ b/quickstep/src/com/android/quickstep/util/LauncherSplitScreenListener.java
@@ -149,7 +149,6 @@
             return;
         }
 
-        SystemUiProxy.INSTANCE.getNoCreate().exitSplitScreen(-1);
         mPersistentGroupedIds = EMPTY_ARRAY;
     }
 
diff --git a/quickstep/src/com/android/quickstep/util/TaskViewSimulator.java b/quickstep/src/com/android/quickstep/util/TaskViewSimulator.java
index 977c696..280b5d7 100644
--- a/quickstep/src/com/android/quickstep/util/TaskViewSimulator.java
+++ b/quickstep/src/com/android/quickstep/util/TaskViewSimulator.java
@@ -22,7 +22,6 @@
 import static com.android.launcher3.util.SplitConfigurationOptions.STAGE_POSITION_TOP_OR_LEFT;
 import static com.android.launcher3.util.SplitConfigurationOptions.STAGE_POSITION_UNDEFINED;
 import static com.android.launcher3.util.SplitConfigurationOptions.StagePosition;
-import static com.android.launcher3.util.SplitConfigurationOptions.StagedSplitBounds;
 import static com.android.quickstep.util.RecentsOrientedState.postDisplayRotation;
 import static com.android.quickstep.util.RecentsOrientedState.preDisplayRotation;
 import static com.android.systemui.shared.system.WindowManagerWrapper.WINDOWING_MODE_FULLSCREEN;
@@ -41,6 +40,7 @@
 import com.android.launcher3.DeviceProfile;
 import com.android.launcher3.Utilities;
 import com.android.launcher3.anim.PendingAnimation;
+import com.android.launcher3.util.SplitConfigurationOptions.StagedSplitBounds;
 import com.android.launcher3.util.TraceHelper;
 import com.android.quickstep.AnimatedFloat;
 import com.android.quickstep.BaseActivityInterface;
diff --git a/quickstep/src/com/android/quickstep/views/GroupedTaskView.java b/quickstep/src/com/android/quickstep/views/GroupedTaskView.java
index 357fb67..ae81573 100644
--- a/quickstep/src/com/android/quickstep/views/GroupedTaskView.java
+++ b/quickstep/src/com/android/quickstep/views/GroupedTaskView.java
@@ -14,6 +14,7 @@
 import com.android.launcher3.DeviceProfile;
 import com.android.launcher3.R;
 import com.android.launcher3.util.RunnableList;
+import com.android.launcher3.util.SplitConfigurationOptions;
 import com.android.launcher3.util.SplitConfigurationOptions.StagedSplitBounds;
 import com.android.launcher3.util.TransformingTouchDelegate;
 import com.android.quickstep.RecentsModel;
diff --git a/quickstep/src/com/android/quickstep/views/RecentsView.java b/quickstep/src/com/android/quickstep/views/RecentsView.java
index 9a76f2b..8566720 100644
--- a/quickstep/src/com/android/quickstep/views/RecentsView.java
+++ b/quickstep/src/com/android/quickstep/views/RecentsView.java
@@ -137,8 +137,8 @@
 import com.android.launcher3.util.MultiValueAlpha;
 import com.android.launcher3.util.ResourceBasedOverride.Overrides;
 import com.android.launcher3.util.RunnableList;
-import com.android.launcher3.util.SplitConfigurationOptions;
 import com.android.launcher3.util.SplitConfigurationOptions.StagePosition;
+import com.android.launcher3.util.SplitConfigurationOptions.StagedSplitBounds;
 import com.android.launcher3.util.Themes;
 import com.android.launcher3.util.TranslateEdgeEffect;
 import com.android.launcher3.util.ViewPool;
@@ -157,7 +157,6 @@
 import com.android.quickstep.TaskThumbnailCache;
 import com.android.quickstep.TaskViewUtils;
 import com.android.quickstep.ViewUtils;
-import com.android.quickstep.util.LauncherSplitScreenListener;
 import com.android.quickstep.util.LayoutUtils;
 import com.android.quickstep.util.RecentsOrientedState;
 import com.android.quickstep.util.SplitScreenBounds;
@@ -167,7 +166,7 @@
 import com.android.quickstep.util.TransformParams;
 import com.android.quickstep.util.VibratorWrapper;
 import com.android.systemui.plugins.ResourceProvider;
-import com.android.systemui.shared.recents.model.GroupTask;
+import com.android.quickstep.util.GroupTask;
 import com.android.systemui.shared.recents.model.Task;
 import com.android.systemui.shared.recents.model.Task.TaskKey;
 import com.android.systemui.shared.recents.model.ThumbnailData;
@@ -599,7 +598,7 @@
      */
     private TaskView mSplitHiddenTaskView;
     private TaskView mSecondSplitHiddenTaskView;
-    private SplitConfigurationOptions.StagedSplitBounds mSplitBoundsConfig;
+    private StagedSplitBounds mSplitBoundsConfig;
     private final Toast mSplitToast = Toast.makeText(getContext(),
             R.string.toast_split_select_app, Toast.LENGTH_SHORT);
     private final Toast mSplitUnsupportedToast = Toast.makeText(getContext(),
@@ -665,9 +664,8 @@
         mClearAllButton.setOnClickListener(this::dismissAllTasks);
         mTaskViewPool = new ViewPool<>(context, this, R.layout.task, 20 /* max size */,
                 10 /* initial size */);
-        // There's only one pair of grouped tasks we can envision at the moment
         mGroupedTaskViewPool = new ViewPool<>(context, this,
-                R.layout.task_grouped, 2 /* max size */, 1 /* initial size */);
+                R.layout.task_grouped, 20 /* max size */, 10 /* initial size */);
 
         mIsRtl = mOrientationHandler.getRecentsRtlSetting(getResources());
         setLayoutDirection(mIsRtl ? View.LAYOUT_DIRECTION_RTL : View.LAYOUT_DIRECTION_LTR);
@@ -1071,6 +1069,10 @@
     }
 
     public TaskView getTaskViewByTaskId(int taskId) {
+        if (taskId == -1) {
+            return null;
+        }
+
         for (int i = 0; i < getTaskViewCount(); i++) {
             TaskView taskView = getTaskViewAt(i);
             int[] taskIds = taskView.getTaskIds();
@@ -1323,72 +1325,34 @@
         TaskView ignoreResetTaskView =
                 mIgnoreResetTaskId == -1 ? null : getTaskViewByTaskId(mIgnoreResetTaskId);
 
-        int[] splitTaskIds =
-                LauncherSplitScreenListener.INSTANCE.getNoCreate().getPersistentSplitIds();
-        int requiredGroupTaskViews = splitTaskIds.length / 2;
-
-        // TODO(b/202740477): Update once grouped tasks are returned
-        // Subtract half the number of split tasks and not total number because we've already
-        // added a GroupedTaskView when swipe up gesture happens.
-        // This will need to change if we start showing GroupedTaskViews during swipe up from home
-        int requiredTaskViewCount = taskGroups.size() - requiredGroupTaskViews;
-
-        if (getTaskViewCount() != requiredTaskViewCount) {
-            if (indexOfChild(mClearAllButton) != -1) {
-                removeView(mClearAllButton);
-            }
-
-            for (int i = getTaskViewCount(); i < requiredTaskViewCount; i++) {
-                addView(getTaskViewFromPool(false));
-            }
-            while (getTaskViewCount() > requiredTaskViewCount) {
-                removeView(getChildAt(getChildCount() - 1));
-            }
-            int groupedTaskViewCount = getGroupedTaskViewCount();
-            while (requiredGroupTaskViews > groupedTaskViewCount) {
-                // Add to front of list
-                addView(getTaskViewFromPool(true), 0);
-                requiredGroupTaskViews--;
-            }
-            if (requiredTaskViewCount > 0) {
-                addView(mClearAllButton);
-            }
-        }
-
         // Save running task ID if it exists before rebinding all taskViews, otherwise the task from
         // the runningTaskView currently bound could get assigned to another TaskView
-        // TODO set these type to array and check all taskIDs? Maybe we can get away w/ only one
         int runningTaskId = getTaskIdsForTaskViewId(mRunningTaskViewId)[0];
         int focusedTaskId = getTaskIdsForTaskViewId(mFocusedTaskViewId)[0];
-        Log.d(TASK_VIEW_ID_CRASH, "runningTaskId beforeBind: " + runningTaskId
-                + " runningTaskViewId: " + mRunningTaskViewId
-                + " forTaskView: " + getTaskViewFromTaskViewId(mRunningTaskViewId));
 
-        for (int taskViewIndex = requiredTaskViewCount - 1, taskDataIndex = taskGroups.size() - 1;
-                taskViewIndex >= 0;
-                taskViewIndex--, taskDataIndex--) {
-            final int pageIndex = requiredTaskViewCount - taskViewIndex - 1;
-            // TODO(b/202740477): Temporary assumption, to be updated once groups are actually used
-            final Task task = taskGroups.get(taskDataIndex).task1;
-            final TaskView taskView = (TaskView) getChildAt(pageIndex);
-            if (taskView instanceof GroupedTaskView) {
-                Task leftTop;
-                Task rightBottom;
-                if (task.key.id == splitTaskIds[0]) {
-                    leftTop = task;
-                    taskDataIndex--;
-                    rightBottom = taskGroups.get(taskDataIndex).task1;
-                } else {
-                    rightBottom = task;
-                    taskDataIndex--;
-                    leftTop = taskGroups.get(taskDataIndex).task1;
-                }
-                ((GroupedTaskView) taskView).bind(leftTop, rightBottom, mOrientationState,
-                        mSplitBoundsConfig);
+        // Removing views sets the currentPage to 0, so we save this and restore it after
+        // the new set of views are added
+        int previousPage = mCurrentPage;
+        removeAllViews();
+
+        // Add views as children based on whether it's grouped or single task
+        for (int i = taskGroups.size() - 1; i >= 0; i--) {
+            GroupTask groupTask = taskGroups.get(i);
+            boolean hasMultipleTasks = groupTask.hasMultipleTasks();
+            TaskView taskView = getTaskViewFromPool(hasMultipleTasks);
+            addView(taskView);
+
+            if (hasMultipleTasks) {
+                ((GroupedTaskView) taskView).bind(groupTask.task1, groupTask.task2,
+                        mOrientationState, groupTask.mStagedSplitBounds);
             } else {
-                taskView.bind(task, mOrientationState);
+                taskView.bind(groupTask.task1, mOrientationState);
             }
         }
+        if (!taskGroups.isEmpty()) {
+            addView(mClearAllButton);
+        }
+        setCurrentPage(previousPage);
 
         // Keep same previous focused task
         TaskView newFocusedTaskView = getTaskViewByTaskId(focusedTaskId);
@@ -1406,21 +1370,10 @@
             // Update mRunningTaskViewId to be the new TaskView that was assigned by binding
             // the full list of tasks to taskViews
             newRunningTaskView = getTaskViewByTaskId(runningTaskId);
-            if (newRunningTaskView == null) {
-                StringBuilder sb = new StringBuilder();
-                for (int i = requiredTaskViewCount - 1; i >= 0; i--) {
-                    final int pageIndex = requiredTaskViewCount - i - 1;
-                    final TaskView taskView = (TaskView) getChildAt(pageIndex);
-                    int taskViewId = taskView.getTaskViewId();
-                    sb.append(" taskViewId: " + taskViewId
-                            + " taskId: " + getTaskIdsForTaskViewId(taskViewId)[0]
-                            + " for taskView: " + taskView + "\n");
-                }
-                Log.d(TASK_VIEW_ID_CRASH, "taskViewCount: " + getTaskViewCount()
-                        + " " + sb.toString());
-                mRunningTaskViewId = -1;
-            } else {
+            if (newRunningTaskView != null) {
                 mRunningTaskViewId = newRunningTaskView.getTaskViewId();
+            } else {
+                mRunningTaskViewId = -1;
             }
         }
 
diff --git a/quickstep/src/com/android/quickstep/views/TaskView.java b/quickstep/src/com/android/quickstep/views/TaskView.java
index 97c4748..d114aed 100644
--- a/quickstep/src/com/android/quickstep/views/TaskView.java
+++ b/quickstep/src/com/android/quickstep/views/TaskView.java
@@ -690,13 +690,8 @@
                     TestProtocol.SEQUENCE_MAIN, "startActivityFromRecentsAsync", mTask);
             ActivityOptionsWrapper opts =  mActivity.getActivityLaunchOptions(this, null);
             opts.options.setLaunchDisplayId(getRootViewDisplayId());
-            boolean isOldTaskSplit = LauncherSplitScreenListener.INSTANCE.getNoCreate()
-                    .getPersistentSplitIds().length > 0;
             if (ActivityManagerWrapper.getInstance()
                     .startActivityFromRecents(mTask.key, opts.options)) {
-                if (isOldTaskSplit) {
-                    SystemUiProxy.INSTANCE.getNoCreate().exitSplitScreen(mTask.key.id);
-                }
                 RecentsView recentsView = getRecentsView();
                 if (ENABLE_QUICKSTEP_LIVE_TILE.get() && recentsView.getRunningTaskViewId() != -1) {
                     recentsView.onTaskLaunchedInLiveTileMode();
diff --git a/quickstep/tests/src/com/android/quickstep/RecentTasksListTest.java b/quickstep/tests/src/com/android/quickstep/RecentTasksListTest.java
index 6b2d5ed..4e49716 100644
--- a/quickstep/tests/src/com/android/quickstep/RecentTasksListTest.java
+++ b/quickstep/tests/src/com/android/quickstep/RecentTasksListTest.java
@@ -30,9 +30,7 @@
 import androidx.test.filters.SmallTest;
 
 import com.android.launcher3.util.LooperExecutor;
-import com.android.systemui.shared.recents.model.GroupTask;
-import com.android.systemui.shared.recents.model.Task;
-import com.android.systemui.shared.system.ActivityManagerWrapper;
+import com.android.quickstep.util.GroupTask;
 import com.android.systemui.shared.system.KeyguardManagerCompat;
 import com.android.wm.shell.util.GroupedRecentTaskInfo;
 
@@ -73,7 +71,7 @@
     @Test
     public void loadTasksInBackground_onlyKeys_noValidTaskDescription() {
         GroupedRecentTaskInfo recentTaskInfos = new GroupedRecentTaskInfo(
-                new ActivityManager.RecentTaskInfo(), new ActivityManager.RecentTaskInfo());
+                new ActivityManager.RecentTaskInfo(), new ActivityManager.RecentTaskInfo(), null);
         when(mockSystemUiProxy.getRecentTasks(anyInt(), anyInt()))
                 .thenReturn(new ArrayList<>(Collections.singletonList(recentTaskInfos)));
 
@@ -93,7 +91,7 @@
         ActivityManager.RecentTaskInfo task2 = new ActivityManager.RecentTaskInfo();
         task2.taskDescription = new ActivityManager.TaskDescription();
         GroupedRecentTaskInfo recentTaskInfos = new GroupedRecentTaskInfo(
-                task1, task2);
+                task1, task2, null);
         when(mockSystemUiProxy.getRecentTasks(anyInt(), anyInt()))
                 .thenReturn(new ArrayList<>(Collections.singletonList(recentTaskInfos)));
 
diff --git a/src/com/android/launcher3/touch/LandscapePagedViewHandler.java b/src/com/android/launcher3/touch/LandscapePagedViewHandler.java
index a190f52..93e3ea7 100644
--- a/src/com/android/launcher3/touch/LandscapePagedViewHandler.java
+++ b/src/com/android/launcher3/touch/LandscapePagedViewHandler.java
@@ -390,7 +390,7 @@
     @Override
     public void measureGroupedTaskViewThumbnailBounds(View primarySnapshot, View secondarySnapshot,
             int parentWidth, int parentHeight,
-            SplitConfigurationOptions.StagedSplitBounds splitBoundsConfig, DeviceProfile dp) {
+            StagedSplitBounds splitBoundsConfig, DeviceProfile dp) {
         int spaceAboveSnapshot = dp.overviewTaskThumbnailTopMarginPx;
         int totalThumbnailHeight = parentHeight - spaceAboveSnapshot;
         int dividerBar = splitBoundsConfig.visualDividerBounds.width();
@@ -435,15 +435,18 @@
                 (FrameLayout.LayoutParams) primaryIconView.getLayoutParams();
         FrameLayout.LayoutParams secondaryIconParams =
                 new FrameLayout.LayoutParams(primaryIconParams);
+        int dividerBar = (splitConfig.appsStackedVertically ?
+                splitConfig.visualDividerBounds.height() :
+                splitConfig.visualDividerBounds.width());
 
         int primaryHeight = primarySnapshotBounds.height();
-        int secondaryHeight = secondarySnapshotBounds.height();
         primaryIconParams.gravity = (isRtl ? START : END) | TOP;
-        primaryIconView.setTranslationY((primaryHeight + taskIconHeight) / 2f );
+        primaryIconView.setTranslationY(primaryHeight - primaryIconView.getHeight() / 2f);
+        primaryIconView.setTranslationX(0);
 
         secondaryIconParams.gravity = (isRtl ? START : END) | TOP;
-        secondaryIconView.setTranslationY(primaryHeight
-                + ((secondaryHeight + taskIconHeight) / 2f));
+        secondaryIconView.setTranslationY(primaryHeight + taskIconHeight + dividerBar);
+        secondaryIconView.setTranslationX(0);
         primaryIconView.setLayoutParams(primaryIconParams);
         secondaryIconView.setLayoutParams(secondaryIconParams);
     }
diff --git a/src/com/android/launcher3/touch/PagedOrientationHandler.java b/src/com/android/launcher3/touch/PagedOrientationHandler.java
index 8112afd..2ff2feb 100644
--- a/src/com/android/launcher3/touch/PagedOrientationHandler.java
+++ b/src/com/android/launcher3/touch/PagedOrientationHandler.java
@@ -141,13 +141,12 @@
      * @param desiredStagePosition Which stage position (topLeft/rightBottom) we want to resize
      *                           outRect for
      */
-    void setSplitTaskSwipeRect(DeviceProfile dp, Rect outRect,
-            StagedSplitBounds splitInfo,
+    void setSplitTaskSwipeRect(DeviceProfile dp, Rect outRect, StagedSplitBounds splitInfo,
             @SplitConfigurationOptions.StagePosition int desiredStagePosition);
 
     void measureGroupedTaskViewThumbnailBounds(View primarySnapshot, View secondarySnapshot,
             int parentWidth, int parentHeight,
-            SplitConfigurationOptions.StagedSplitBounds splitBoundsConfig, DeviceProfile dp);
+            StagedSplitBounds splitBoundsConfig, DeviceProfile dp);
 
     // Overview TaskMenuView methods
     void setIconAndSnapshotParams(View iconView, int taskIconMargin, int taskIconHeight,
diff --git a/src/com/android/launcher3/touch/PortraitPagedViewHandler.java b/src/com/android/launcher3/touch/PortraitPagedViewHandler.java
index 576c6f5..8caf886 100644
--- a/src/com/android/launcher3/touch/PortraitPagedViewHandler.java
+++ b/src/com/android/launcher3/touch/PortraitPagedViewHandler.java
@@ -16,7 +16,6 @@
 
 package com.android.launcher3.touch;
 
-import static android.view.Gravity.BOTTOM;
 import static android.view.Gravity.CENTER_HORIZONTAL;
 import static android.view.Gravity.START;
 import static android.view.Gravity.TOP;
@@ -477,7 +476,7 @@
     @Override
     public void measureGroupedTaskViewThumbnailBounds(View primarySnapshot, View secondarySnapshot,
             int parentWidth, int parentHeight,
-            SplitConfigurationOptions.StagedSplitBounds splitBoundsConfig, DeviceProfile dp) {
+            StagedSplitBounds splitBoundsConfig, DeviceProfile dp) {
         int spaceAboveSnapshot = dp.overviewTaskThumbnailTopMarginPx;
         int totalThumbnailHeight = parentHeight - spaceAboveSnapshot;
         int dividerBar = (splitBoundsConfig.appsStackedVertically ?
@@ -535,23 +534,27 @@
                 (FrameLayout.LayoutParams) primaryIconView.getLayoutParams();
         FrameLayout.LayoutParams secondaryIconParams =
                 new FrameLayout.LayoutParams(primaryIconParams);
+        int dividerBar = (splitConfig.appsStackedVertically ?
+                splitConfig.visualDividerBounds.height() :
+                splitConfig.visualDividerBounds.width());
 
+        int primaryWidth = primarySnapshotBounds.width();
         if (deviceProfile.isLandscape) {
-            int primaryWidth = primarySnapshotBounds.width();
-            int secondaryWidth = secondarySnapshotBounds.width();
             primaryIconParams.gravity = TOP | START;
-            primaryIconView.setTranslationX((primaryWidth - taskIconHeight) / 2f );
+            primaryIconView.setTranslationX(primaryWidth - primaryIconView.getWidth());
+            primaryIconView.setTranslationY(0);
 
             secondaryIconParams.gravity = TOP | START;
-            secondaryIconView.setTranslationX(primaryWidth
-                    + ((secondaryWidth - taskIconHeight) / 2f));
-        } else {
-            primaryIconView.setTranslationX(0);
-            secondaryIconView.setTranslationX(0);
-            primaryIconView.setTranslationY(0);
+            secondaryIconView.setTranslationX(primaryWidth + dividerBar);
             secondaryIconView.setTranslationY(0);
-            secondaryIconParams.gravity = BOTTOM | CENTER_HORIZONTAL;
-            secondaryIconParams.bottomMargin = -(secondaryIconParams.topMargin + taskIconHeight);
+        } else {
+            primaryIconParams.gravity = TOP | CENTER_HORIZONTAL;
+            primaryIconView.setTranslationX(-(primaryIconView.getWidth()) / 2f);
+            primaryIconView.setTranslationY(0);
+
+            secondaryIconParams.gravity = TOP | CENTER_HORIZONTAL;
+            secondaryIconView.setTranslationX(secondaryIconView.getWidth() / 2f);
+            secondaryIconView.setTranslationY(0);
         }
         primaryIconView.setLayoutParams(primaryIconParams);
         secondaryIconView.setLayoutParams(secondaryIconParams);
diff --git a/src/com/android/launcher3/touch/SeascapePagedViewHandler.java b/src/com/android/launcher3/touch/SeascapePagedViewHandler.java
index d5851c8..a0dde22 100644
--- a/src/com/android/launcher3/touch/SeascapePagedViewHandler.java
+++ b/src/com/android/launcher3/touch/SeascapePagedViewHandler.java
@@ -19,6 +19,7 @@
 import static android.view.Gravity.CENTER_VERTICAL;
 import static android.view.Gravity.END;
 import static android.view.Gravity.START;
+import static android.view.Gravity.TOP;
 
 import static com.android.launcher3.touch.SingleAxisSwipeDetector.HORIZONTAL;
 import static com.android.launcher3.util.SplitConfigurationOptions.STAGE_POSITION_BOTTOM_OR_RIGHT;
@@ -36,7 +37,9 @@
 import com.android.launcher3.DeviceProfile;
 import com.android.launcher3.R;
 import com.android.launcher3.Utilities;
+import com.android.launcher3.util.SplitConfigurationOptions;
 import com.android.launcher3.util.SplitConfigurationOptions.SplitPositionOption;
+import com.android.launcher3.util.SplitConfigurationOptions.StagedSplitBounds;
 import com.android.launcher3.views.BaseDragLayer;
 
 import java.util.Collections;
@@ -127,6 +130,23 @@
         iconParams.topMargin = snapshotParams.topMargin / 2;
     }
 
+    @Override
+    public void setSplitIconParams(View primaryIconView, View secondaryIconView,
+            int taskIconHeight, Rect primarySnapshotBounds, Rect secondarySnapshotBounds,
+            boolean isRtl, DeviceProfile deviceProfile, StagedSplitBounds splitConfig) {
+        super.setSplitIconParams(primaryIconView, secondaryIconView, taskIconHeight,
+                primarySnapshotBounds, secondarySnapshotBounds, isRtl, deviceProfile, splitConfig);
+        FrameLayout.LayoutParams primaryIconParams =
+                (FrameLayout.LayoutParams) primaryIconView.getLayoutParams();
+        FrameLayout.LayoutParams secondaryIconParams =
+                (FrameLayout.LayoutParams) secondaryIconView.getLayoutParams();
+
+        primaryIconParams.gravity = (isRtl ? END : START) | TOP;
+        secondaryIconParams.gravity = (isRtl ? END : START) | TOP;
+        primaryIconView.setLayoutParams(primaryIconParams);
+        secondaryIconView.setLayoutParams(secondaryIconParams);
+    }
+
     /* ---------- The following are only used by TaskViewTouchHandler. ---------- */
 
     @Override
diff --git a/src/com/android/launcher3/util/SplitConfigurationOptions.java b/src/com/android/launcher3/util/SplitConfigurationOptions.java
index 0b083e3..6aef38f 100644
--- a/src/com/android/launcher3/util/SplitConfigurationOptions.java
+++ b/src/com/android/launcher3/util/SplitConfigurationOptions.java
@@ -85,6 +85,12 @@
         }
     }
 
+    /**
+     * NOTE: Engineers complained about too little ambiguity in the last survey, so there is a class
+     * with the same name/functionality in wm.shell.util (which launcher3 cannot be built against)
+     *
+     * If you make changes here, consider making the same changes there
+     */
     public static class StagedSplitBounds {
         public final Rect leftTopBounds;
         public final Rect rightBottomBounds;
@@ -100,10 +106,15 @@
          * the bounds were originally in
          */
         public final boolean appsStackedVertically;
+        public final int leftTopTaskId;
+        public final int rightBottomTaskId;
 
-        public StagedSplitBounds(Rect leftTopBounds, Rect rightBottomBounds) {
+        public StagedSplitBounds(Rect leftTopBounds, Rect rightBottomBounds, int leftTopTaskId,
+                int rightBottomTaskId) {
             this.leftTopBounds = leftTopBounds;
             this.rightBottomBounds = rightBottomBounds;
+            this.leftTopTaskId = leftTopTaskId;
+            this.rightBottomTaskId = rightBottomTaskId;
 
             if (rightBottomBounds.top > leftTopBounds.top) {
                 // vertical apps, horizontal divider