diff --git a/quickstep/src/com/android/launcher3/model/AppEventProducer.java b/quickstep/src/com/android/launcher3/model/AppEventProducer.java
index eed493d..b665db6 100644
--- a/quickstep/src/com/android/launcher3/model/AppEventProducer.java
+++ b/quickstep/src/com/android/launcher3/model/AppEventProducer.java
@@ -30,6 +30,7 @@
 import static com.android.launcher3.logging.StatsLogManager.LauncherEvent.LAUNCHER_ITEM_DROPPED_ON_REMOVE;
 import static com.android.launcher3.logging.StatsLogManager.LauncherEvent.LAUNCHER_ITEM_DROP_COMPLETED;
 import static com.android.launcher3.logging.StatsLogManager.LauncherEvent.LAUNCHER_ITEM_DROP_FOLDER_CREATED;
+import static com.android.launcher3.logging.StatsLogManager.LauncherEvent.LAUNCHER_ONRESUME;
 import static com.android.launcher3.logging.StatsLogManager.LauncherEvent.LAUNCHER_QUICKSWITCH_LEFT;
 import static com.android.launcher3.logging.StatsLogManager.LauncherEvent.LAUNCHER_QUICKSWITCH_RIGHT;
 import static com.android.launcher3.logging.StatsLogManager.LauncherEvent.LAUNCHER_TASK_LAUNCH_SWIPE_DOWN;
@@ -161,6 +162,11 @@
             if (isTrackedForHotseatPrediction(atomInfo)) {
                 sendEvent(atomInfo, ACTION_PIN, CONTAINER_HOTSEAT_PREDICTION);
             }
+        } else if (event == LAUNCHER_ONRESUME) {
+            AppTarget target = new AppTarget.Builder(new AppTargetId("id:launcher"),
+                    mContext.getPackageName(), Process.myUserHandle())
+                    .build();
+            sendEvent(target, atomInfo, ACTION_LAUNCH, CONTAINER_PREDICTION);
         }
     }
 
diff --git a/quickstep/src/com/android/launcher3/uioverrides/BaseRecentsViewStateController.java b/quickstep/src/com/android/launcher3/uioverrides/BaseRecentsViewStateController.java
index d74b6c5..2fa8b07 100644
--- a/quickstep/src/com/android/launcher3/uioverrides/BaseRecentsViewStateController.java
+++ b/quickstep/src/com/android/launcher3/uioverrides/BaseRecentsViewStateController.java
@@ -16,6 +16,7 @@
 
 package com.android.launcher3.uioverrides;
 
+import static com.android.launcher3.LauncherState.OVERVIEW_SPLIT_SELECT;
 import static com.android.launcher3.anim.Interpolators.AGGRESSIVE_EASE_IN_OUT;
 import static com.android.launcher3.anim.Interpolators.FINAL_FRAME;
 import static com.android.launcher3.anim.Interpolators.INSTANT;
@@ -72,6 +73,8 @@
         getTaskModalnessProperty().set(mRecentsView, state.getOverviewModalness());
         RECENTS_GRID_PROGRESS.set(mRecentsView,
                 state.displayOverviewTasksAsGrid(mLauncher.getDeviceProfile()) ? 1f : 0f);
+
+        applySplitScrollOffset(state);
     }
 
     @Override
@@ -117,6 +120,16 @@
         boolean showAsGrid = toState.displayOverviewTasksAsGrid(mLauncher.getDeviceProfile());
         setter.setFloat(mRecentsView, RECENTS_GRID_PROGRESS, showAsGrid ? 1f : 0f,
                 showAsGrid ? INSTANT : FINAL_FRAME);
+
+        applySplitScrollOffset(toState);
+    }
+
+    private void applySplitScrollOffset(@NonNull final LauncherState state) {
+        if (state == OVERVIEW_SPLIT_SELECT) {
+            mRecentsView.applySplitPrimaryScrollOffset();
+        } else {
+            mRecentsView.resetSplitPrimaryScrollOffset();
+        }
     }
 
     abstract FloatProperty getTaskModalnessProperty();
diff --git a/quickstep/src/com/android/quickstep/AbsSwipeUpHandler.java b/quickstep/src/com/android/quickstep/AbsSwipeUpHandler.java
index e57f46f..3ab73bb 100644
--- a/quickstep/src/com/android/quickstep/AbsSwipeUpHandler.java
+++ b/quickstep/src/com/android/quickstep/AbsSwipeUpHandler.java
@@ -271,7 +271,9 @@
         mActivityInterface = gestureState.getActivityInterface();
         mActivityInitListener = mActivityInterface.createActivityInitListener(this::onActivityInit);
         mInputConsumerProxy =
-                new InputConsumerProxy(inputConsumer, () -> {
+                new InputConsumerProxy(context,
+                        () -> mRecentsView.getPagedViewOrientedState().getRecentsActivityRotation(),
+                        inputConsumer, () -> {
                     endRunningWindowAnim(mGestureState.getEndTarget() == HOME /* cancel */);
                     endLauncherTransitionController();
                 }, new InputProxyHandlerFactory(mActivityInterface, mGestureState));
diff --git a/quickstep/src/com/android/quickstep/OrientationRectF.java b/quickstep/src/com/android/quickstep/OrientationRectF.java
new file mode 100644
index 0000000..59a202c
--- /dev/null
+++ b/quickstep/src/com/android/quickstep/OrientationRectF.java
@@ -0,0 +1,104 @@
+/*
+ * 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;
+
+import static com.android.launcher3.states.RotationHelper.deltaRotation;
+import static com.android.quickstep.util.RecentsOrientedState.postDisplayRotation;
+
+import android.graphics.Matrix;
+import android.graphics.RectF;
+import android.util.Log;
+import android.view.MotionEvent;
+
+public class OrientationRectF extends RectF {
+
+    private static final String TAG = "OrientationRectF";
+    private static final boolean DEBUG = false;
+
+    private final int mRotation;
+    private final float mHeight;
+    private final float mWidth;
+
+    private final Matrix mTmpMatrix = new Matrix();
+    private final float[] mTmpPoint = new float[2];
+
+    public OrientationRectF(float left, float top, float right, float bottom, int rotation) {
+        super(left, top, right, bottom);
+        mRotation = rotation;
+        mHeight = bottom;
+        mWidth = right;
+    }
+
+    @Override
+    public String toString() {
+        String s = super.toString();
+        s += " rotation: " + mRotation;
+        return s;
+    }
+
+    @Override
+    public boolean contains(float x, float y) {
+        // Mark bottom right as included in the Rect (copied from Rect src, added "=" in "<=")
+        return left < right && top < bottom  // check for empty first
+                && x >= left && x <= right && y >= top && y <= bottom;
+    }
+
+    public boolean applyTransformFromRotation(MotionEvent event, int currentRotation,
+            boolean forceTransform) {
+        return applyTransform(event, deltaRotation(currentRotation, mRotation), forceTransform);
+    }
+
+    public boolean applyTransformToRotation(MotionEvent event, int currentRotation,
+            boolean forceTransform) {
+        return applyTransform(event, deltaRotation(mRotation, currentRotation), forceTransform);
+    }
+
+    private boolean applyTransform(MotionEvent event, int deltaRotation, boolean forceTransform) {
+        mTmpMatrix.reset();
+        postDisplayRotation(deltaRotation, mHeight, mWidth, mTmpMatrix);
+        if (forceTransform) {
+            if (DEBUG) {
+                Log.d(TAG, "Transforming rotation due to forceTransform, "
+                        + "deltaRotation: " + deltaRotation
+                        + "mRotation: " + mRotation
+                        + " this: " + this);
+            }
+            event.applyTransform(mTmpMatrix);
+            return true;
+        }
+        mTmpPoint[0] = event.getX();
+        mTmpPoint[1] = event.getY();
+        mTmpMatrix.mapPoints(mTmpPoint);
+
+        if (DEBUG) {
+            Log.d(TAG, "original: " + event.getX() + ", " + event.getY()
+                    + " new: " + mTmpPoint[0] + ", " + mTmpPoint[1]
+                    + " rect: " + this + " forceTransform: " + forceTransform
+                    + " contains: " + contains(mTmpPoint[0], mTmpPoint[1])
+                    + " this: " + this);
+        }
+
+        if (contains(mTmpPoint[0], mTmpPoint[1])) {
+            event.applyTransform(mTmpMatrix);
+            return true;
+        }
+        return false;
+    }
+
+    int getRotation() {
+        return mRotation;
+    }
+}
diff --git a/quickstep/src/com/android/quickstep/OrientationTouchTransformer.java b/quickstep/src/com/android/quickstep/OrientationTouchTransformer.java
index 81e6917..ecff4f1 100644
--- a/quickstep/src/com/android/quickstep/OrientationTouchTransformer.java
+++ b/quickstep/src/com/android/quickstep/OrientationTouchTransformer.java
@@ -22,11 +22,7 @@
 import static android.view.MotionEvent.ACTION_POINTER_DOWN;
 import static android.view.MotionEvent.ACTION_UP;
 
-import static com.android.launcher3.states.RotationHelper.deltaRotation;
-import static com.android.quickstep.util.RecentsOrientedState.postDisplayRotation;
-
 import android.content.res.Resources;
-import android.graphics.Matrix;
 import android.graphics.Point;
 import android.graphics.RectF;
 import android.util.Log;
@@ -44,8 +40,8 @@
 
 /**
  * Maintains state for supporting nav bars and tracking their gestures in multiple orientations.
- * See {@link OrientationRectF#applyTransform(MotionEvent, boolean)} for transformation of
- * MotionEvents from one orientation's coordinate space to another's.
+ * See {@link OrientationRectF#applyTransformToRotation(MotionEvent, int, boolean)} for
+ * transformation of MotionEvents from one orientation's coordinate space to another's.
  *
  * This class only supports single touch/pointer gesture tracking for touches started in a supported
  * nav bar region.
@@ -95,9 +91,6 @@
 
     private static final int QUICKSTEP_ROTATION_UNINITIALIZED = -1;
 
-    private final Matrix mTmpMatrix = new Matrix();
-    private final float[] mTmpPoint = new float[2];
-
     private final Map<CurrentDisplay, OrientationRectF> mSwipeTouchRegions =
             new HashMap<CurrentDisplay, OrientationRectF>();
     private final RectF mAssistantLeftRegion = new RectF();
@@ -365,7 +358,7 @@
                 if (mLastRectTouched == null) {
                     return;
                 }
-                mLastRectTouched.applyTransform(event, true);
+                mLastRectTouched.applyTransformFromRotation(event, mCurrentDisplay.rotation, true);
                 break;
             }
             case ACTION_CANCEL:
@@ -373,7 +366,7 @@
                 if (mLastRectTouched == null) {
                     return;
                 }
-                mLastRectTouched.applyTransform(event, true);
+                mLastRectTouched.applyTransformFromRotation(event, mCurrentDisplay.rotation, true);
                 mLastRectTouched = null;
                 break;
             }
@@ -387,14 +380,14 @@
                     if (rect == null) {
                         continue;
                     }
-                    if (rect.applyTransform(event, false)) {
+                    if (rect.applyTransformFromRotation(event, mCurrentDisplay.rotation, false)) {
                         mLastRectTouched = rect;
-                        mActiveTouchRotation = rect.mRotation;
+                        mActiveTouchRotation = rect.getRotation();
                         if (mEnableMultipleRegions
                                 && mCurrentDisplay.rotation == mActiveTouchRotation) {
                             // TODO(b/154580671) might make this block unnecessary
                             // Start a touch session for the default nav region for the display
-                            mQuickStepStartingRotation = mLastRectTouched.mRotation;
+                            mQuickStepStartingRotation = mLastRectTouched.getRotation();
                             resetSwipeRegions();
                         }
                         if (DEBUG) {
@@ -423,65 +416,4 @@
         pw.println("  mNavBarLargerGesturalHeight=" + mNavBarLargerGesturalHeight);
         pw.println("  mOneHandedModeRegion=" + mOneHandedModeRegion);
     }
-
-    private class OrientationRectF extends RectF {
-
-        private int mRotation;
-        private float mHeight;
-        private float mWidth;
-
-        OrientationRectF(float left, float top, float right, float bottom, int rotation) {
-            super(left, top, right, bottom);
-            this.mRotation = rotation;
-            mHeight = bottom;
-            mWidth = right;
-        }
-
-        @Override
-        public String toString() {
-            String s = super.toString();
-            s += " rotation: " + mRotation;
-            return s;
-        }
-
-        @Override
-        public boolean contains(float x, float y) {
-            // Mark bottom right as included in the Rect (copied from Rect src, added "=" in "<=")
-            return left < right && top < bottom  // check for empty first
-                    && x >= left && x <= right && y >= top && y <= bottom;
-        }
-
-        boolean applyTransform(MotionEvent event, boolean forceTransform) {
-            mTmpMatrix.reset();
-            postDisplayRotation(deltaRotation(mCurrentDisplay.rotation, mRotation),
-                    mHeight, mWidth, mTmpMatrix);
-            if (forceTransform) {
-                if (DEBUG) {
-                    Log.d(TAG, "Transforming rotation due to forceTransform, "
-                            + "mCurrentRotation: " + mCurrentDisplay.rotation
-                            + "mRotation: " + mRotation
-                            + " this: " + this);
-                }
-                event.applyTransform(mTmpMatrix);
-                return true;
-            }
-            mTmpPoint[0] = event.getX();
-            mTmpPoint[1] = event.getY();
-            mTmpMatrix.mapPoints(mTmpPoint);
-
-            if (DEBUG) {
-                Log.d(TAG, "original: " + event.getX() + ", " + event.getY()
-                        + " new: " + mTmpPoint[0] + ", " + mTmpPoint[1]
-                        + " rect: " + this + " forceTransform: " + forceTransform
-                        + " contains: " + contains(mTmpPoint[0], mTmpPoint[1])
-                        + " this: " + this);
-            }
-
-            if (contains(mTmpPoint[0], mTmpPoint[1])) {
-                event.applyTransform(mTmpMatrix);
-                return true;
-            }
-            return false;
-        }
-    }
 }
diff --git a/quickstep/src/com/android/quickstep/SimpleOrientationTouchTransformer.java b/quickstep/src/com/android/quickstep/SimpleOrientationTouchTransformer.java
new file mode 100644
index 0000000..f474796
--- /dev/null
+++ b/quickstep/src/com/android/quickstep/SimpleOrientationTouchTransformer.java
@@ -0,0 +1,54 @@
+/*
+ * 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;
+
+import static com.android.launcher3.util.DisplayController.CHANGE_ACTIVE_SCREEN;
+import static com.android.launcher3.util.DisplayController.CHANGE_ALL;
+import static com.android.launcher3.util.DisplayController.CHANGE_ROTATION;
+
+import android.content.Context;
+import android.view.MotionEvent;
+
+import com.android.launcher3.util.DisplayController;
+import com.android.launcher3.util.MainThreadInitializedObject;
+
+public class SimpleOrientationTouchTransformer implements
+        DisplayController.DisplayInfoChangeListener {
+
+    public static final MainThreadInitializedObject<SimpleOrientationTouchTransformer> INSTANCE =
+            new MainThreadInitializedObject<>(SimpleOrientationTouchTransformer::new);
+
+    private OrientationRectF mOrientationRectF;
+
+    public SimpleOrientationTouchTransformer(Context context) {
+        DisplayController.INSTANCE.get(context).addChangeListener(this);
+        onDisplayInfoChanged(context, DisplayController.INSTANCE.get(context).getInfo(),
+                CHANGE_ALL);
+    }
+
+    @Override
+    public void onDisplayInfoChanged(Context context, DisplayController.Info info, int flags) {
+        if ((flags & (CHANGE_ROTATION | CHANGE_ACTIVE_SCREEN)) == 0) {
+            return;
+        }
+        mOrientationRectF = new OrientationRectF(0, 0, info.currentSize.y, info.currentSize.x,
+                info.rotation);
+    }
+
+    public void transform(MotionEvent ev, int rotation) {
+        mOrientationRectF.applyTransformToRotation(ev, rotation, true /* forceTransform */);
+    }
+}
diff --git a/quickstep/src/com/android/quickstep/util/InputConsumerProxy.java b/quickstep/src/com/android/quickstep/util/InputConsumerProxy.java
index 2e5b33a..c2101a8 100644
--- a/quickstep/src/com/android/quickstep/util/InputConsumerProxy.java
+++ b/quickstep/src/com/android/quickstep/util/InputConsumerProxy.java
@@ -19,12 +19,14 @@
 import static android.view.MotionEvent.ACTION_DOWN;
 import static android.view.MotionEvent.ACTION_UP;
 
+import android.content.Context;
 import android.util.Log;
 import android.view.InputEvent;
 import android.view.KeyEvent;
 import android.view.MotionEvent;
 
 import com.android.quickstep.InputConsumer;
+import com.android.quickstep.SimpleOrientationTouchTransformer;
 import com.android.systemui.shared.system.InputConsumerController;
 
 import java.util.function.Supplier;
@@ -37,6 +39,8 @@
 
     private static final String TAG = "InputConsumerProxy";
 
+    private final Context mContext;
+    private final Supplier<Integer> mRotationSupplier;
     private final InputConsumerController mInputConsumerController;
     private Runnable mCallback;
     private Supplier<InputConsumer> mConsumerSupplier;
@@ -48,8 +52,11 @@
     private boolean mTouchInProgress = false;
     private boolean mDestroyPending = false;
 
-    public InputConsumerProxy(InputConsumerController inputConsumerController,
+    public InputConsumerProxy(Context context, Supplier<Integer> rotationSupplier,
+            InputConsumerController inputConsumerController,
             Runnable callback, Supplier<InputConsumer> consumerSupplier) {
+        mContext = context;
+        mRotationSupplier = rotationSupplier;
         mInputConsumerController = inputConsumerController;
         mCallback = callback;
         mConsumerSupplier = consumerSupplier;
@@ -98,6 +105,8 @@
             }
         }
         if (mInputConsumer != null) {
+            SimpleOrientationTouchTransformer.INSTANCE.get(mContext).transform(ev,
+                    mRotationSupplier.get());
             mInputConsumer.onMotionEvent(ev);
         }
 
diff --git a/quickstep/src/com/android/quickstep/views/ClearAllButton.java b/quickstep/src/com/android/quickstep/views/ClearAllButton.java
index 22c87b0..86be210 100644
--- a/quickstep/src/com/android/quickstep/views/ClearAllButton.java
+++ b/quickstep/src/com/android/quickstep/views/ClearAllButton.java
@@ -66,6 +66,7 @@
     private float mGridTranslationPrimary;
     private float mGridScrollOffset;
     private float mScrollOffsetPrimary;
+    private float mSplitSelectScrollOffsetPrimary;
 
     private int mSidePadding;
 
@@ -167,6 +168,10 @@
         mScrollOffsetPrimary = scrollOffsetPrimary;
     }
 
+    public void setSplitSelectScrollOffsetPrimary(float splitSelectScrollOffsetPrimary) {
+        mSplitSelectScrollOffsetPrimary = splitSelectScrollOffsetPrimary;
+    }
+
     public float getScrollAdjustment(boolean fullscreenEnabled, boolean gridEnabled) {
         float scrollAdjustment = 0;
         if (fullscreenEnabled) {
@@ -176,6 +181,7 @@
             scrollAdjustment += mGridTranslationPrimary + mGridScrollOffset;
         }
         scrollAdjustment += mScrollOffsetPrimary;
+        scrollAdjustment += mSplitSelectScrollOffsetPrimary;
         return scrollAdjustment;
     }
 
diff --git a/quickstep/src/com/android/quickstep/views/RecentsView.java b/quickstep/src/com/android/quickstep/views/RecentsView.java
index 023a926..4d488db 100644
--- a/quickstep/src/com/android/quickstep/views/RecentsView.java
+++ b/quickstep/src/com/android/quickstep/views/RecentsView.java
@@ -189,6 +189,9 @@
         TaskThumbnailCache.HighResLoadingState.HighResLoadingStateChangedCallback,
         TaskVisualsChangeListener, SplitScreenBounds.OnChangeListener {
 
+    private static final String TAG = "RecentsView";
+    private static final boolean DEBUG = false;
+
     // TODO(b/184899234): We use this timeout to wait a fixed period after switching to the
     // screenshot when dismissing the current live task to ensure the app can try and get stopped.
     private static final int REMOVE_TASK_WAIT_FOR_APP_STOP_MS = 100;
@@ -2643,8 +2646,7 @@
      * and then animates it into the split position that was desired
      */
     private void createInitialSplitSelectAnimation(PendingAnimation anim) {
-        float placeholderHeight = getResources().getDimension(R.dimen.split_placeholder_size);
-        mOrientationHandler.getInitialSplitPlaceholderBounds((int) placeholderHeight,
+        mOrientationHandler.getInitialSplitPlaceholderBounds(mSplitPlaceholderSize,
                 mActivity.getDeviceProfile(),
                 mSplitSelectStateController.getActiveSplitStagePosition(), mTempRect);
 
@@ -3238,14 +3240,13 @@
         }
 
         Rect splitBounds = new Rect();
-        float placeholderSize = getResources().getDimension(R.dimen.split_placeholder_size);
         // This acts as a best approximation on where the splitplaceholder view would be,
         // doesn't need to be exact necessarily. This also doesn't need to take translations
         // into account since placeholder view is not translated
         if (stagePosition == SplitConfigurationOptions.STAGE_POSITION_BOTTOM_OR_RIGHT) {
-            splitBounds.set((int) (getWidth() - placeholderSize), 0, getWidth(), getHeight());
+            splitBounds.set(getWidth() - mSplitPlaceholderSize, 0, getWidth(), getHeight());
         } else {
-            splitBounds.set(0, 0, (int) (placeholderSize), getHeight());
+            splitBounds.set(0, 0, mSplitPlaceholderSize, getHeight());
         }
         Rect taskBounds = new Rect();
         int taskCount = getTaskViewCount();
@@ -3746,6 +3747,50 @@
     }
 
     /**
+     * Apply scroll offset to children of RecentsView when entering split select.
+     */
+    public void applySplitPrimaryScrollOffset() {
+        if (!mActivity.getDeviceProfile().isLandscape || !showAsGrid()) {
+            return;
+        }
+
+        @StagePosition int position = mSplitSelectStateController.getActiveSplitStagePosition();
+        boolean shouldShiftThumbnailsForSplitSelect = shouldShiftThumbnailsForSplitSelect(
+                position);
+        boolean expandLeft = false;
+        boolean expandRight = false;
+        if (mIsRtl) {
+            if (position == SplitConfigurationOptions.STAGE_POSITION_BOTTOM_OR_RIGHT
+                    && shouldShiftThumbnailsForSplitSelect) {
+                expandLeft = true;
+            } else if (position == SplitConfigurationOptions.STAGE_POSITION_TOP_OR_LEFT) {
+                if (shouldShiftThumbnailsForSplitSelect) {
+                    expandRight = true;
+                } else {
+                    expandLeft = true;
+                }
+            }
+        } // TODO(b/200537659): Handle system RTL.
+        if (expandRight) {
+            for (int i = 0; i < getTaskViewCount(); i++) {
+                getTaskViewAt(i).setSplitScrollOffsetPrimary(mSplitPlaceholderSize);
+            }
+        } else if (expandLeft) {
+            mClearAllButton.setSplitSelectScrollOffsetPrimary(-mSplitPlaceholderSize);
+        }
+    }
+
+    /**
+     * Reset scroll offset on children of RecentsView when exiting split select.
+     */
+    public void resetSplitPrimaryScrollOffset() {
+        for (int i = 0; i < getTaskViewCount(); i++) {
+            getTaskViewAt(i).setSplitScrollOffsetPrimary(0);
+        }
+        mClearAllButton.setSplitSelectScrollOffsetPrimary(0);
+    }
+
+    /**
      * Resets the visuals when exit modal state.
      */
     public void resetModalVisuals() {
@@ -4355,29 +4400,27 @@
     }
 
     @Override
+    protected void updateMinAndMaxScrollX() {
+        super.updateMinAndMaxScrollX();
+        if (DEBUG) {
+            Log.d(TAG, "updateMinAndMaxScrollX - mMinScroll: " + mMinScroll);
+            Log.d(TAG, "updateMinAndMaxScrollX - mMaxScroll: " + mMaxScroll);
+        }
+    }
+
+    @Override
     protected int computeMinScroll() {
         if (getTaskViewCount() > 0) {
-            int minScroll;
-            boolean isLandscapeGridSplit = mActivity.getDeviceProfile().isLandscape
-                    && showAsGrid() && isSplitSelectionActive();
             if (mIsRtl) {
                 // If we aren't showing the clear all button, use the rightmost task as the min
                 // scroll.
-                minScroll = getScrollForPage(mDisallowScrollToClearAll ? indexOfChild(
+                return getScrollForPage(mDisallowScrollToClearAll ? indexOfChild(
                         getTaskViewAt(getTaskViewCount() - 1)) : indexOfChild(mClearAllButton));
-                if (isLandscapeGridSplit
-                        && mSplitSelectStateController.getActiveSplitStagePosition()
-                        == SplitConfigurationOptions.STAGE_POSITION_BOTTOM_OR_RIGHT) {
-                    minScroll -= mSplitPlaceholderSize;
-                }
             } else {
                 TaskView focusedTaskView = mShowAsGridLastOnLayout ? getFocusedTaskView() : null;
-                minScroll = getScrollForPage(focusedTaskView != null ? indexOfChild(focusedTaskView)
+                return getScrollForPage(focusedTaskView != null ? indexOfChild(focusedTaskView)
                         : 0);
-                // TODO(b/200537659): Adjust according to mSplitPlaceholderSize when
-                //  isLandscapeGridSplit is true.
             }
-            return minScroll;
         }
         return super.computeMinScroll();
     }
@@ -4385,27 +4428,16 @@
     @Override
     protected int computeMaxScroll() {
         if (getTaskViewCount() > 0) {
-            int maxScroll;
-            boolean isLandscapeGridSplit = mActivity.getDeviceProfile().isLandscape
-                    && showAsGrid() && isSplitSelectionActive();
             if (mIsRtl) {
                 TaskView focusedTaskView = mShowAsGridLastOnLayout ? getFocusedTaskView() : null;
-                maxScroll = getScrollForPage(focusedTaskView != null ? indexOfChild(focusedTaskView)
+                return getScrollForPage(focusedTaskView != null ? indexOfChild(focusedTaskView)
                         : 0);
-                if (isLandscapeGridSplit
-                        && mSplitSelectStateController.getActiveSplitStagePosition()
-                        == SplitConfigurationOptions.STAGE_POSITION_TOP_OR_LEFT) {
-                    maxScroll += mSplitPlaceholderSize;
-                }
             } else {
                 // If we aren't showing the clear all button, use the leftmost task as the min
                 // scroll.
-                maxScroll = getScrollForPage(mDisallowScrollToClearAll ? indexOfChild(
+                return getScrollForPage(mDisallowScrollToClearAll ? indexOfChild(
                         getTaskViewAt(getTaskViewCount() - 1)) : indexOfChild(mClearAllButton));
-                // TODO(b/200537659): Adjust according to mSplitPlaceholderSize when
-                //  isLandscapeGridSplit is true.
             }
-            return maxScroll;
         }
         return super.computeMaxScroll();
     }
@@ -4460,6 +4492,12 @@
                 pageScrollChanged = true;
                 outPageScrolls[i] = pageScroll;
             }
+            if (DEBUG) {
+                Log.d(TAG, "getPageScrolls - outPageScrolls[" + i + "]: " + outPageScrolls[i]);
+            }
+        }
+        if (DEBUG) {
+            Log.d(TAG, "getPageScrolls - clearAllScroll: " + clearAllScroll);
         }
         return pageScrollChanged;
     }
diff --git a/quickstep/src/com/android/quickstep/views/TaskView.java b/quickstep/src/com/android/quickstep/views/TaskView.java
index ea8282f..31a73e9 100644
--- a/quickstep/src/com/android/quickstep/views/TaskView.java
+++ b/quickstep/src/com/android/quickstep/views/TaskView.java
@@ -389,6 +389,7 @@
     // Used when in SplitScreenSelectState
     private float mSplitSelectTranslationY;
     private float mSplitSelectTranslationX;
+    private float mSplitSelectScrollOffsetPrimary;
 
     private ObjectAnimator mIconAndDimAnimator;
     private float mIconScaleAnimStartProgress = 0;
@@ -1031,6 +1032,11 @@
         mSplitSelectTranslationY = y;
         applyTranslationY();
     }
+
+    public void setSplitScrollOffsetPrimary(float splitSelectScrollOffsetPrimary) {
+        mSplitSelectScrollOffsetPrimary = splitSelectScrollOffsetPrimary;
+    }
+
     private void setDismissTranslationX(float x) {
         mDismissTranslationX = x;
         applyTranslationX();
@@ -1101,6 +1107,7 @@
         } else {
             scrollAdjustment += getPrimaryNonGridTranslationProperty().get(this);
         }
+        scrollAdjustment += mSplitSelectScrollOffsetPrimary;
         return scrollAdjustment;
     }