Merge "Add TAPL tests for hiding the actions view when scrolling away from focused task in overview." into sc-v2-dev
diff --git a/go/quickstep/src/com/android/quickstep/views/GoOverviewActionsView.java b/go/quickstep/src/com/android/quickstep/views/GoOverviewActionsView.java
index 97ba590..492611f 100644
--- a/go/quickstep/src/com/android/quickstep/views/GoOverviewActionsView.java
+++ b/go/quickstep/src/com/android/quickstep/views/GoOverviewActionsView.java
@@ -117,7 +117,7 @@
      */
     public void updateOrientationState(RecentsOrientedState orientedState) {
         // dismiss tooltip
-        boolean canLauncherRotate = orientedState.canRecentsActivityRotate();
+        boolean canLauncherRotate = orientedState.isRecentsActivityRotationAllowed();
         if (mArrowTipView != null && !canLauncherRotate) {
             mArrowTipView.close(/* animate= */ false);
         }
diff --git a/quickstep/AndroidManifest.xml b/quickstep/AndroidManifest.xml
index bc8bd3a..124cd57 100644
--- a/quickstep/AndroidManifest.xml
+++ b/quickstep/AndroidManifest.xml
@@ -100,7 +100,6 @@
         <activity android:name="com.android.quickstep.interaction.GestureSandboxActivity"
             android:autoRemoveFromRecents="true"
             android:excludeFromRecents="true"
-            android:screenOrientation="portrait"
             android:exported="true">
             <intent-filter>
                 <action android:name="com.android.quickstep.action.GESTURE_SANDBOX"/>
diff --git a/quickstep/res/drawable/default_sandbox_app_previous_task_thumbnail.xml b/quickstep/res/drawable/default_sandbox_app_previous_task_thumbnail.xml
deleted file mode 100644
index 9c95497..0000000
--- a/quickstep/res/drawable/default_sandbox_app_previous_task_thumbnail.xml
+++ /dev/null
@@ -1,17 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!--
-     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.
--->
-<shape xmlns:android="http://schemas.android.com/apk/res/android"
-    android:shape="rectangle">
-  <solid android:color="@color/gesture_tutorial_fake_previous_task_view_color" />
-</shape>
diff --git a/quickstep/res/layout/gesture_tutorial_fragment.xml b/quickstep/res/layout/gesture_tutorial_fragment.xml
index cfb3eb0..0f01190 100644
--- a/quickstep/res/layout/gesture_tutorial_fragment.xml
+++ b/quickstep/res/layout/gesture_tutorial_fragment.xml
@@ -41,13 +41,54 @@
         android:layout_height="20dp"
         android:visibility="invisible" />
 
-    <View
+    <com.android.quickstep.interaction.AnimatedTaskView
         android:id="@+id/gesture_tutorial_fake_previous_task_view"
         android:layout_width="match_parent"
         android:layout_height="match_parent"
         android:scaleX="0.98"
         android:scaleY="0.98"
-        android:visibility="invisible" />
+        android:visibility="invisible">
+
+        <View
+            android:id="@+id/full_task_view"
+            android:layout_width="match_parent"
+            android:layout_height="match_parent"
+            android:visibility="invisible"
+
+            app:layout_constraintTop_toTopOf="parent"
+            app:layout_constraintBottom_toBottomOf="parent"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintEnd_toEndOf="parent"/>
+
+        <androidx.cardview.widget.CardView
+            android:id="@+id/top_task_view"
+            android:layout_width="match_parent"
+            android:layout_height="0dp"
+            android:visibility="invisible"
+            android:layout_marginBottom="@dimen/gesture_tutorial_multi_row_task_view_spacing"
+
+            app:cardElevation="0dp"
+            app:cardCornerRadius="@dimen/gesture_tutorial_small_task_view_corner_radius"
+            app:layout_constraintVertical_chainStyle="spread"
+            app:layout_constraintTop_toTopOf="@id/full_task_view"
+            app:layout_constraintBottom_toTopOf="@id/bottom_task_view"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintEnd_toEndOf="parent"/>
+
+        <androidx.cardview.widget.CardView
+            android:id="@+id/bottom_task_view"
+            android:layout_width="match_parent"
+            android:layout_height="0dp"
+            android:visibility="invisible"
+
+            app:cardElevation="0dp"
+            app:cardCornerRadius="@dimen/gesture_tutorial_small_task_view_corner_radius"
+            app:layout_constraintTop_toBottomOf="@id/top_task_view"
+            app:layout_constraintBottom_toBottomOf="@id/full_task_view"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintEnd_toEndOf="parent"/>
+
+    </com.android.quickstep.interaction.AnimatedTaskView>
 
     <FrameLayout
         android:id="@+id/gesture_tutorial_fake_task_view"
diff --git a/quickstep/res/layout/gesture_tutorial_mock_conversation.xml b/quickstep/res/layout/gesture_tutorial_mock_conversation.xml
index 89973d3..9951663 100644
--- a/quickstep/res/layout/gesture_tutorial_mock_conversation.xml
+++ b/quickstep/res/layout/gesture_tutorial_mock_conversation.xml
@@ -118,19 +118,17 @@
 
             <androidx.cardview.widget.CardView
                 android:id="@+id/reply_icon_1"
-                android:layout_width="0dp"
-                android:layout_height="0dp"
+                android:layout_width="44dp"
+                android:layout_height="44dp"
                 android:layout_marginBottom="32dp"
                 android:layout_marginStart="26dp"
-                android:layout_marginEnd="342dp"
 
                 app:cardElevation="0dp"
                 app:cardCornerRadius="100dp"
                 app:cardBackgroundColor="@color/mock_conversation_profile_icon"
                 app:layout_constraintDimensionRatio="1:1"
                 app:layout_constraintBottom_toTopOf="@id/message_2"
-                app:layout_constraintStart_toStartOf="parent"
-                app:layout_constraintEnd_toEndOf="parent"/>
+                app:layout_constraintStart_toStartOf="parent"/>
 
             <androidx.cardview.widget.CardView
                 android:layout_width="0dp"
@@ -178,19 +176,17 @@
 
             <androidx.cardview.widget.CardView
                 android:id="@+id/reply_icon_2"
-                android:layout_width="0dp"
-                android:layout_height="0dp"
+                android:layout_width="44dp"
+                android:layout_height="44dp"
                 android:layout_marginBottom="32dp"
                 android:layout_marginStart="26dp"
-                android:layout_marginEnd="342dp"
 
                 app:cardElevation="0dp"
                 app:cardCornerRadius="100dp"
                 app:cardBackgroundColor="@color/mock_conversation_profile_icon"
                 app:layout_constraintDimensionRatio="1:1"
                 app:layout_constraintBottom_toTopOf="@id/message_4"
-                app:layout_constraintStart_toStartOf="parent"
-                app:layout_constraintEnd_toEndOf="parent"/>
+                app:layout_constraintStart_toStartOf="parent"/>
 
             <androidx.cardview.widget.CardView
                 android:layout_width="0dp"
diff --git a/quickstep/res/values/dimens.xml b/quickstep/res/values/dimens.xml
index 38c202b..e903377 100644
--- a/quickstep/res/values/dimens.xml
+++ b/quickstep/res/values/dimens.xml
@@ -121,6 +121,8 @@
     <dimen name="gesture_tutorial_subtitle_margin_start_end">16dp</dimen>
     <dimen name="gesture_tutorial_feedback_margin_start_end">24dp</dimen>
     <dimen name="gesture_tutorial_button_margin_start_end">18dp</dimen>
+    <dimen name="gesture_tutorial_multi_row_task_view_spacing">72dp</dimen>
+    <dimen name="gesture_tutorial_small_task_view_corner_radius">18dp</dimen>
 
     <!-- All Set page -->
     <dimen name="allset_page_margin_horizontal">40dp</dimen>
diff --git a/quickstep/res/values/strings.xml b/quickstep/res/values/strings.xml
index 7158287..52bd48b 100644
--- a/quickstep/res/values/strings.xml
+++ b/quickstep/res/values/strings.xml
@@ -193,6 +193,8 @@
     <string name="action_screenshot">Screenshot</string>
     <!-- Label for a button that enters split screen selection mode. [CHAR_LIMIT=20] -->
     <string name="action_split">Split</string>
+    <!-- Label for toast with instructions for split screen selection mode. [CHAR_LIMIT=50] -->
+    <string name="toast_split_select_app">Tap another app to use splitscreen</string>
     <!-- Message shown when an action is blocked by a policy enforced by the app or the organization managing the device. [CHAR_LIMIT=NONE] -->
     <string name="blocked_by_policy">This action isn\'t allowed by the app or your organization</string>
 
diff --git a/quickstep/src/com/android/launcher3/QuickstepTransitionManager.java b/quickstep/src/com/android/launcher3/QuickstepTransitionManager.java
index f210e3a..ddb20a1 100644
--- a/quickstep/src/com/android/launcher3/QuickstepTransitionManager.java
+++ b/quickstep/src/com/android/launcher3/QuickstepTransitionManager.java
@@ -1555,11 +1555,13 @@
             if (anim == null) {
                 anim = new AnimatorSet();
 
-                boolean playFallBackAnimation = mLauncher.isInState(LauncherState.ALL_APPS)
+                View workspaceView = findWorkspaceView(appTargets);
+                boolean isWorkspaceViewVisible = workspaceView != null
+                        && !mLauncher.isInState(LauncherState.ALL_APPS);
+                boolean playFallBackAnimation = !isWorkspaceViewVisible
                         && (launcherIsATargetWithMode(appTargets, MODE_OPENING)
                         || mLauncher.isForceInvisible());
 
-                View workspaceView = findWorkspaceView(appTargets);
                 boolean playWorkspaceReveal = true;
                 if (mFromUnlock) {
                     anim.play(getUnlockWindowAnimator(appTargets, wallpaperTargets));
diff --git a/quickstep/src/com/android/launcher3/uioverrides/touchcontrollers/TaskViewTouchController.java b/quickstep/src/com/android/launcher3/uioverrides/touchcontrollers/TaskViewTouchController.java
index 010f463..37a1674 100644
--- a/quickstep/src/com/android/launcher3/uioverrides/touchcontrollers/TaskViewTouchController.java
+++ b/quickstep/src/com/android/launcher3/uioverrides/touchcontrollers/TaskViewTouchController.java
@@ -84,6 +84,8 @@
 
     private TaskView mTaskBeingDragged;
 
+    private boolean mIsDismissHapticRunning = false;
+
     public TaskViewTouchController(T activity) {
         mActivity = activity;
         mRecentsView = activity.getOverviewPanel();
@@ -365,9 +367,10 @@
         mCurrentAnimation.startWithVelocity(mActivity, goingToEnd,
                 velocity * orientationHandler.getSecondaryTranslationDirectionFactor(),
                 mEndDisplacement, animationDuration);
-        if (goingUp && goingToEnd) {
+        if (goingUp && goingToEnd && !mIsDismissHapticRunning) {
             VibratorWrapper.INSTANCE.get(mActivity).vibrate(TASK_DISMISS_VIBRATION_PRIMITIVE,
                     TASK_DISMISS_VIBRATION_PRIMITIVE_SCALE, TASK_DISMISS_VIBRATION_FALLBACK);
+            mIsDismissHapticRunning = true;
         }
     }
 
@@ -376,5 +379,6 @@
         mDetector.setDetectableScrollConditions(0, false);
         mTaskBeingDragged = null;
         mCurrentAnimation = null;
+        mIsDismissHapticRunning = false;
     }
 }
diff --git a/quickstep/src/com/android/quickstep/TaskOverlayFactory.java b/quickstep/src/com/android/quickstep/TaskOverlayFactory.java
index 085bfbb..7bdc20d 100644
--- a/quickstep/src/com/android/quickstep/TaskOverlayFactory.java
+++ b/quickstep/src/com/android/quickstep/TaskOverlayFactory.java
@@ -86,7 +86,7 @@
             }
         }
         RecentsOrientedState orientedState = taskView.getRecentsView().getPagedViewOrientedState();
-        boolean canLauncherRotate = orientedState.canRecentsActivityRotate();
+        boolean canLauncherRotate = orientedState.isRecentsActivityRotationAllowed();
         boolean isInLandscape = orientedState.getTouchRotation() != ROTATION_0;
 
         // Add overview actions to the menu when in in-place rotate landscape mode.
diff --git a/quickstep/src/com/android/quickstep/inputconsumers/OverscrollInputConsumer.java b/quickstep/src/com/android/quickstep/inputconsumers/OverscrollInputConsumer.java
index fb420a2..e984b4f 100644
--- a/quickstep/src/com/android/quickstep/inputconsumers/OverscrollInputConsumer.java
+++ b/quickstep/src/com/android/quickstep/inputconsumers/OverscrollInputConsumer.java
@@ -230,9 +230,6 @@
 
         // Make sure there isn't an app to quick switch to on our right
         int maxIndex = 0;
-        if (mRecentsView != null && mRecentsView.hasRecentsExtraCard()) {
-            maxIndex = 1;
-        }
 
         boolean atRightMostApp = mRecentsView == null
                 || (mRecentsView.getRunningTaskIndex() <= maxIndex);
diff --git a/quickstep/src/com/android/quickstep/interaction/AnimatedTaskView.java b/quickstep/src/com/android/quickstep/interaction/AnimatedTaskView.java
new file mode 100644
index 0000000..53ad138
--- /dev/null
+++ b/quickstep/src/com/android/quickstep/interaction/AnimatedTaskView.java
@@ -0,0 +1,202 @@
+/*
+ * 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.interaction;
+
+import android.animation.Animator;
+import android.animation.AnimatorListenerAdapter;
+import android.animation.AnimatorSet;
+import android.animation.ObjectAnimator;
+import android.animation.ValueAnimator;
+import android.annotation.ColorInt;
+import android.content.Context;
+import android.graphics.Outline;
+import android.graphics.Rect;
+import android.util.AttributeSet;
+import android.view.View;
+import android.view.ViewOutlineProvider;
+
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+import androidx.cardview.widget.CardView;
+import androidx.constraintlayout.widget.ConstraintLayout;
+
+import com.android.launcher3.R;
+
+import java.util.ArrayList;
+
+/**
+ * Helper View for the gesture tutorial mock previous app task view.
+ *
+ * This helper class allows animating from a single-row layout to a two-row layout as seen in
+ * large screen devices.
+ */
+public class AnimatedTaskView extends ConstraintLayout {
+
+    private View mFullTaskView;
+    private CardView mTopTaskView;
+    private CardView mBottomTaskView;
+
+    private ViewOutlineProvider mTaskViewOutlineProvider = null;
+    private final Rect mTaskViewAnimatedRect = new Rect();
+    private float mTaskViewAnimatedRadius;
+
+    public AnimatedTaskView(@NonNull Context context) {
+        super(context);
+    }
+
+    public AnimatedTaskView(@NonNull Context context,
+            @Nullable AttributeSet attrs) {
+        super(context, attrs);
+    }
+
+    public AnimatedTaskView(
+            @NonNull Context context, @Nullable AttributeSet attrs, int defStyleAttr) {
+        super(context, attrs, defStyleAttr);
+    }
+
+    public AnimatedTaskView(
+            @NonNull Context context,
+            @Nullable AttributeSet attrs,
+            int defStyleAttr,
+            int defStyleRes) {
+        super(context, attrs, defStyleAttr, defStyleRes);
+    }
+
+    @Override
+    protected void onFinishInflate() {
+        super.onFinishInflate();
+
+        mFullTaskView = findViewById(R.id.full_task_view);
+        mTopTaskView = findViewById(R.id.top_task_view);
+        mBottomTaskView = findViewById(R.id.bottom_task_view);
+
+        setToSingleRowLayout(false);
+    }
+
+    AnimatorSet createAnimationToMultiRowLayout() {
+        if (mTaskViewOutlineProvider == null) {
+            // This is an illegal state.
+            return null;
+        }
+        Outline startOutline = new Outline();
+        mTaskViewOutlineProvider.getOutline(this, startOutline);
+        Rect outlineStartRect = new Rect();
+        startOutline.getRect(outlineStartRect);
+        int endRectBottom = mTopTaskView.getHeight();
+        float outlineStartRadius = startOutline.getRadius();
+        float outlineEndRadius = getContext().getResources().getDimensionPixelSize(
+                R.dimen.gesture_tutorial_small_task_view_corner_radius);
+
+        ValueAnimator outlineAnimator = ValueAnimator.ofFloat(0f, 1f);
+        outlineAnimator.addUpdateListener(valueAnimator -> {
+            float progress = (float) valueAnimator.getAnimatedValue();
+            mTaskViewAnimatedRect.bottom = (int) (outlineStartRect.bottom
+                    + progress * (endRectBottom - outlineStartRect.bottom));
+            mTaskViewAnimatedRadius = outlineStartRadius
+                    + progress * (outlineEndRadius - outlineStartRadius);
+            mFullTaskView.invalidateOutline();
+        });
+        outlineAnimator.addListener(new AnimatorListenerAdapter() {
+            @Override
+            public void onAnimationStart(Animator animation) {
+                super.onAnimationStart(animation);
+
+                mTaskViewAnimatedRect.set(outlineStartRect);
+                mTaskViewAnimatedRadius = outlineStartRadius;
+
+                mFullTaskView.setClipToOutline(true);
+                mFullTaskView.setOutlineProvider(new ViewOutlineProvider() {
+                    @Override
+                    public void getOutline(View view, Outline outline) {
+                        outline.setRoundRect(mTaskViewAnimatedRect, mTaskViewAnimatedRadius);
+                    }
+                });
+            }
+
+            @Override
+            public void onAnimationEnd(Animator animation) {
+                super.onAnimationEnd(animation);
+                mFullTaskView.setOutlineProvider(mTaskViewOutlineProvider);
+            }
+
+            @Override
+            public void onAnimationCancel(Animator animation) {
+                super.onAnimationCancel(animation);
+                mFullTaskView.setOutlineProvider(mTaskViewOutlineProvider);
+            }
+        });
+
+        ArrayList<Animator> animations = new ArrayList<>();
+        animations.add(ObjectAnimator.ofFloat(
+                mBottomTaskView, View.TRANSLATION_X, -mBottomTaskView.getWidth(), 0));
+        animations.add(outlineAnimator);
+
+        AnimatorSet animatorSet = new AnimatorSet();
+        animatorSet.playTogether(animations);
+        animatorSet.addListener(new AnimatorListenerAdapter() {
+            @Override
+            public void onAnimationStart(Animator animation) {
+                super.onAnimationStart(animation);
+                setToSingleRowLayout(true);
+
+                setPadding(0, outlineStartRect.top, 0, getHeight() - outlineStartRect.bottom);
+            }
+
+            @Override
+            public void onAnimationEnd(Animator animation) {
+                super.onAnimationEnd(animation);
+                setToMultiRowLayout();
+            }
+
+            @Override
+            public void onAnimationCancel(Animator animation) {
+                super.onAnimationCancel(animation);
+                setToMultiRowLayout();
+            }
+        });
+
+        return animatorSet;
+    }
+
+    void setToSingleRowLayout(boolean forAnimation) {
+        mFullTaskView.setVisibility(VISIBLE);
+        mTopTaskView.setVisibility(INVISIBLE);
+        mBottomTaskView.setVisibility(forAnimation ? VISIBLE : INVISIBLE);
+    }
+
+    void setToMultiRowLayout() {
+        mFullTaskView.setVisibility(INVISIBLE);
+        mTopTaskView.setVisibility(VISIBLE);
+        mBottomTaskView.setVisibility(VISIBLE);
+    }
+
+    void setFakeTaskViewFillColor(@ColorInt int colorResId) {
+        mFullTaskView.setBackgroundColor(colorResId);
+        mTopTaskView.setCardBackgroundColor(colorResId);
+        mBottomTaskView.setCardBackgroundColor(colorResId);
+    }
+
+    @Override
+    public void setClipToOutline(boolean clipToOutline) {
+        mFullTaskView.setClipToOutline(clipToOutline);
+    }
+
+    @Override
+    public void setOutlineProvider(ViewOutlineProvider provider) {
+        mTaskViewOutlineProvider = provider;
+        mFullTaskView.setOutlineProvider(mTaskViewOutlineProvider);
+    }
+}
diff --git a/quickstep/src/com/android/quickstep/interaction/OverviewGestureTutorialController.java b/quickstep/src/com/android/quickstep/interaction/OverviewGestureTutorialController.java
index ff1743f..9d60e1b 100644
--- a/quickstep/src/com/android/quickstep/interaction/OverviewGestureTutorialController.java
+++ b/quickstep/src/com/android/quickstep/interaction/OverviewGestureTutorialController.java
@@ -17,6 +17,7 @@
 
 import static com.android.launcher3.anim.Interpolators.ACCEL;
 
+import android.animation.Animator;
 import android.animation.AnimatorSet;
 import android.annotation.TargetApi;
 import android.graphics.PointF;
@@ -29,6 +30,8 @@
 import com.android.quickstep.interaction.EdgeBackGestureHandler.BackGestureResult;
 import com.android.quickstep.interaction.NavBarGestureHandler.NavBarGestureResult;
 
+import java.util.ArrayList;
+
 /** A {@link TutorialController} for the Overview tutorial. */
 @TargetApi(Build.VERSION_CODES.R)
 final class OverviewGestureTutorialController extends SwipeUpGestureTutorialController {
@@ -123,10 +126,24 @@
     }
 
     public void animateTaskViewToOverview() {
-        PendingAnimation anim = new PendingAnimation(300);
+        PendingAnimation anim = new PendingAnimation(TASK_VIEW_END_ANIMATION_DURATION_MILLIS);
         anim.setFloat(mTaskViewSwipeUpAnimation
                 .getCurrentShift(), AnimatedFloat.VALUE, 1, ACCEL);
-        AnimatorSet animset = anim.buildAnim();
+
+        ArrayList<Animator> animators = new ArrayList<>();
+
+        if (mTutorialFragment.isLargeScreen()) {
+            Animator multiRowAnimation = mFakePreviousTaskView.createAnimationToMultiRowLayout();
+
+            if (multiRowAnimation != null) {
+                multiRowAnimation.setDuration(TASK_VIEW_END_ANIMATION_DURATION_MILLIS);
+                animators.add(multiRowAnimation);
+            }
+        }
+        animators.add(anim.buildAnim());
+
+        AnimatorSet animset = new AnimatorSet();
+        animset.playTogether(animators);
         animset.start();
         mRunningWindowAnim = SwipeUpAnimationLogic.RunningWindowAnim.wrap(animset);
     }
diff --git a/quickstep/src/com/android/quickstep/interaction/SwipeUpGestureTutorialController.java b/quickstep/src/com/android/quickstep/interaction/SwipeUpGestureTutorialController.java
index 30430ff..0c7b35b 100644
--- a/quickstep/src/com/android/quickstep/interaction/SwipeUpGestureTutorialController.java
+++ b/quickstep/src/com/android/quickstep/interaction/SwipeUpGestureTutorialController.java
@@ -63,6 +63,7 @@
 
     private static final int FAKE_PREVIOUS_TASK_MARGIN = Utilities.dpToPx(12);
 
+    protected static final long TASK_VIEW_END_ANIMATION_DURATION_MILLIS = 300;
     private static final long HOME_SWIPE_ANIMATION_DURATION_MILLIS = 625;
     private static final long OVERVIEW_SWIPE_ANIMATION_DURATION_MILLIS = 1000;
 
@@ -89,6 +90,7 @@
             mFakeTaskView.setAlpha(1);
             mFakePreviousTaskView.setVisibility(View.INVISIBLE);
             mFakePreviousTaskView.setAlpha(1);
+            mFakePreviousTaskView.setToSingleRowLayout(false);
             mShowTasks = false;
             mShowPreviousTasks = false;
             mRunningWindowAnim = null;
@@ -146,7 +148,8 @@
             anim.addListener(new AnimatorListenerAdapter() {
                 @Override
                 public void onAnimationEnd(Animator animation, boolean isReverse) {
-                    PendingAnimation fadeAnim = new PendingAnimation(300);
+                    PendingAnimation fadeAnim =
+                            new PendingAnimation(TASK_VIEW_END_ANIMATION_DURATION_MILLIS);
                     if (reset) {
                         fadeAnim.setFloat(mTaskViewSwipeUpAnimation
                                 .getCurrentShift(), AnimatedFloat.VALUE, 0, ACCEL);
@@ -159,6 +162,23 @@
                         fadeAnim.addListener(AnimatorListeners.forSuccessCallback(onEndRunnable));
                     }
                     AnimatorSet animset = fadeAnim.buildAnim();
+
+                    if (reset && mTutorialFragment.isLargeScreen()) {
+                        animset.addListener(new AnimatorListenerAdapter() {
+                            @Override
+                            public void onAnimationStart(Animator animation) {
+                                super.onAnimationStart(animation);
+                                Animator multiRowAnimation =
+                                        mFakePreviousTaskView.createAnimationToMultiRowLayout();
+
+                                if (multiRowAnimation != null) {
+                                    multiRowAnimation.setDuration(
+                                            TASK_VIEW_END_ANIMATION_DURATION_MILLIS).start();
+                                }
+                            }
+                        });
+                    }
+
                     animset.setStartDelay(100);
                     animset.start();
                     mRunningWindowAnim = RunningWindowAnim.wrap(animset);
@@ -301,7 +321,7 @@
                 public RectF getWindowTargetRect() {
                     int fakeHomeIconSizePx = Utilities.dpToPx(60);
                     int fakeHomeIconLeft = mFakeHotseatView.getLeft();
-                    int fakeHomeIconTop = mDp.heightPx - Utilities.dpToPx(216);
+                    int fakeHomeIconTop = mFakeHotseatView.getTop();
                     return new RectF(fakeHomeIconLeft, fakeHomeIconTop,
                             fakeHomeIconLeft + fakeHomeIconSizePx,
                             fakeHomeIconTop + fakeHomeIconSizePx);
diff --git a/quickstep/src/com/android/quickstep/interaction/TutorialController.java b/quickstep/src/com/android/quickstep/interaction/TutorialController.java
index ef62fd6..94fb556 100644
--- a/quickstep/src/com/android/quickstep/interaction/TutorialController.java
+++ b/quickstep/src/com/android/quickstep/interaction/TutorialController.java
@@ -24,6 +24,7 @@
 import android.animation.AnimatorSet;
 import android.animation.ObjectAnimator;
 import android.animation.ValueAnimator;
+import android.annotation.ColorRes;
 import android.content.Context;
 import android.content.pm.PackageManager;
 import android.graphics.drawable.AnimatedVectorDrawable;
@@ -87,7 +88,7 @@
     final ImageView mFakeHotseatView;
     final ClipIconView mFakeIconView;
     final FrameLayout mFakeTaskView;
-    final View mFakePreviousTaskView;
+    final AnimatedTaskView mFakePreviousTaskView;
     final View mRippleView;
     final RippleDrawable mRippleDrawable;
     final Button mActionButton;
@@ -177,9 +178,9 @@
         return View.NO_ID;
     }
 
-    @DrawableRes
-    protected int getMockPreviousAppTaskThumbnailResId() {
-        return R.drawable.default_sandbox_app_previous_task_thumbnail;
+    @ColorRes
+    protected int getMockPreviousAppTaskThumbnailColorResId() {
+        return R.color.gesture_tutorial_fake_previous_task_view_color;
     }
 
     @DrawableRes
@@ -442,8 +443,8 @@
             updateFakeAppTaskViewLayout(getMockAppTaskLayoutResId());
             mFakeTaskView.animate().alpha(1).setListener(
                     AnimatorListeners.forSuccessCallback(() -> mFakeTaskView.animate().cancel()));
-            mFakePreviousTaskView.setBackground(AppCompatResources.getDrawable(
-                    mContext, getMockPreviousAppTaskThumbnailResId()));
+            mFakePreviousTaskView.setFakeTaskViewFillColor(mContext.getResources().getColor(
+                    getMockPreviousAppTaskThumbnailColorResId()));
             mFakeIconView.setBackground(AppCompatResources.getDrawable(
                     mContext, getMockAppIconResId()));
         }
diff --git a/quickstep/src/com/android/quickstep/interaction/TutorialFragment.java b/quickstep/src/com/android/quickstep/interaction/TutorialFragment.java
index 1d78c6b..89be1a6 100644
--- a/quickstep/src/com/android/quickstep/interaction/TutorialFragment.java
+++ b/quickstep/src/com/android/quickstep/interaction/TutorialFragment.java
@@ -20,6 +20,7 @@
 import android.app.Activity;
 import android.content.Context;
 import android.content.Intent;
+import android.content.pm.ActivityInfo;
 import android.graphics.Insets;
 import android.graphics.drawable.Animatable2;
 import android.graphics.drawable.AnimatedVectorDrawable;
@@ -40,6 +41,7 @@
 import androidx.fragment.app.Fragment;
 import androidx.fragment.app.FragmentActivity;
 
+import com.android.launcher3.InvariantDeviceProfile;
 import com.android.launcher3.R;
 import com.android.quickstep.interaction.TutorialController.TutorialType;
 
@@ -63,6 +65,8 @@
 
     private boolean mFragmentStopped = false;
 
+    private boolean mIsLargeScreen;
+
     public static TutorialFragment newInstance(TutorialType tutorialType) {
         TutorialFragment fragment = getFragmentForTutorialType(tutorialType);
         if (fragment == null) {
@@ -130,6 +134,21 @@
         mTutorialType = (TutorialType) args.getSerializable(KEY_TUTORIAL_TYPE);
         mEdgeBackGestureHandler = new EdgeBackGestureHandler(getContext());
         mNavBarGestureHandler = new NavBarGestureHandler(getContext());
+
+        mIsLargeScreen = InvariantDeviceProfile.INSTANCE.get(getContext())
+                .getDeviceProfile(getContext()).isTablet;
+
+        if (mIsLargeScreen) {
+            ((Activity) getContext()).setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_USER);
+        } else {
+            // Temporary until UI mocks for landscape mode for phones are created.
+            ((Activity) getContext()).setRequestedOrientation(
+                    ActivityInfo.SCREEN_ORIENTATION_PORTRAIT);
+        }
+    }
+
+    public boolean isLargeScreen() {
+        return mIsLargeScreen;
     }
 
     @Override
diff --git a/quickstep/src/com/android/quickstep/util/RecentsOrientedState.java b/quickstep/src/com/android/quickstep/util/RecentsOrientedState.java
index a4db596..9c6fd3d 100644
--- a/quickstep/src/com/android/quickstep/util/RecentsOrientedState.java
+++ b/quickstep/src/com/android/quickstep/util/RecentsOrientedState.java
@@ -218,8 +218,8 @@
 
     private boolean updateHandler() {
         mRecentsActivityRotation = inferRecentsActivityRotation(mDisplayRotation);
-        if (mRecentsActivityRotation == mTouchRotation
-                || (canRecentsActivityRotate() && (mFlags & FLAG_SWIPE_UP_NOT_RUNNING) != 0)) {
+        if (mRecentsActivityRotation == mTouchRotation || (isRecentsActivityRotationAllowed()
+                && (mFlags & FLAG_SWIPE_UP_NOT_RUNNING) != 0)) {
             mOrientationHandler = PagedOrientationHandler.PORTRAIT;
         } else if (mTouchRotation == ROTATION_90) {
             mOrientationHandler = PagedOrientationHandler.LANDSCAPE;
@@ -253,7 +253,7 @@
     private boolean setFlag(int mask, boolean enabled) {
         boolean wasRotationEnabled = !TestProtocol.sDisableSensorRotation
                 && (mFlags & VALUE_ROTATION_WATCHER_ENABLED) == VALUE_ROTATION_WATCHER_ENABLED
-                && !canRecentsActivityRotate();
+                && !isRecentsActivityRotationAllowed();
         if (enabled) {
             mFlags |= mask;
         } else {
@@ -262,7 +262,7 @@
 
         boolean isRotationEnabled = !TestProtocol.sDisableSensorRotation
                 && (mFlags & VALUE_ROTATION_WATCHER_ENABLED) == VALUE_ROTATION_WATCHER_ENABLED
-                && !canRecentsActivityRotate();
+                && !isRecentsActivityRotationAllowed();
         if (wasRotationEnabled != isRotationEnabled) {
             UI_HELPER_EXECUTOR.execute(() -> {
                 if (isRotationEnabled) {
@@ -376,13 +376,6 @@
     }
 
     /**
-     * Returns true if the activity can rotate, if allowed by system rotation settings
-     */
-    public boolean canRecentsActivityRotate() {
-        return (mFlags & FLAG_SYSTEM_ROTATION_ALLOWED) != 0 && isRecentsActivityRotationAllowed();
-    }
-
-    /**
      * Enables or disables the rotation watcher for listening to rotation callbacks
      */
     public void setRotationWatcherEnabled(boolean isEnabled) {
diff --git a/quickstep/src/com/android/quickstep/views/LauncherRecentsView.java b/quickstep/src/com/android/quickstep/views/LauncherRecentsView.java
index ddb1fca..5ca5c94 100644
--- a/quickstep/src/com/android/quickstep/views/LauncherRecentsView.java
+++ b/quickstep/src/com/android/quickstep/views/LauncherRecentsView.java
@@ -29,18 +29,14 @@
 import android.util.AttributeSet;
 import android.view.MotionEvent;
 import android.view.Surface;
-import android.widget.FrameLayout;
 
 import com.android.launcher3.BaseQuickstepLauncher;
 import com.android.launcher3.LauncherState;
 import com.android.launcher3.statehandlers.DepthController;
 import com.android.launcher3.statemanager.StateManager.StateListener;
-import com.android.launcher3.uioverrides.plugins.PluginManagerWrapper;
 import com.android.launcher3.util.SplitConfigurationOptions;
 import com.android.quickstep.LauncherActivityInterface;
 import com.android.quickstep.util.SplitSelectStateController;
-import com.android.systemui.plugins.PluginListener;
-import com.android.systemui.plugins.RecentsExtraCard;
 
 /**
  * {@link RecentsView} used in Launcher activity
@@ -49,25 +45,6 @@
 public class LauncherRecentsView extends RecentsView<BaseQuickstepLauncher, LauncherState>
         implements StateListener<LauncherState> {
 
-    private RecentsExtraCard mRecentsExtraCardPlugin;
-    private RecentsExtraViewContainer mRecentsExtraViewContainer;
-    private PluginListener<RecentsExtraCard> mRecentsExtraCardPluginListener =
-            new PluginListener<RecentsExtraCard>() {
-        @Override
-        public void onPluginConnected(RecentsExtraCard recentsExtraCard, Context context) {
-            createRecentsExtraCard();
-            mRecentsExtraCardPlugin = recentsExtraCard;
-            mRecentsExtraCardPlugin.setupView(context, mRecentsExtraViewContainer, mActivity);
-        }
-
-        @Override
-        public void onPluginDisconnected(RecentsExtraCard plugin) {
-            removeView(mRecentsExtraViewContainer);
-            mRecentsExtraCardPlugin = null;
-            mRecentsExtraViewContainer = null;
-        }
-    };
-
     public LauncherRecentsView(Context context) {
         this(context, null);
     }
@@ -148,73 +125,6 @@
     }
 
     @Override
-    protected void onAttachedToWindow() {
-        super.onAttachedToWindow();
-        PluginManagerWrapper.INSTANCE.get(getContext()).addPluginListener(
-                mRecentsExtraCardPluginListener, RecentsExtraCard.class);
-    }
-
-    @Override
-    protected void onDetachedFromWindow() {
-        super.onDetachedFromWindow();
-        PluginManagerWrapper.INSTANCE.get(getContext()).removePluginListener(
-                mRecentsExtraCardPluginListener);
-    }
-
-    @Override
-    protected int computeMinScroll() {
-        if (canComputeScrollX() && !mIsRtl) {
-            return computeScrollX();
-        }
-        return super.computeMinScroll();
-    }
-
-    @Override
-    protected int computeMaxScroll() {
-        if (canComputeScrollX() && mIsRtl) {
-            return computeScrollX();
-        }
-        return super.computeMaxScroll();
-    }
-
-    private boolean canComputeScrollX() {
-        return mRecentsExtraCardPlugin != null && getTaskViewCount() > 0
-                && !mDisallowScrollToClearAll;
-    }
-
-    private int computeScrollX() {
-        int scrollIndex = getTaskViewStartIndex() - 1;
-        while (scrollIndex >= 0 && getChildAt(scrollIndex) instanceof RecentsExtraViewContainer
-                && ((RecentsExtraViewContainer) getChildAt(scrollIndex)).isScrollable()) {
-            scrollIndex--;
-        }
-        return getScrollForPage(scrollIndex + 1);
-    }
-
-    private void createRecentsExtraCard() {
-        mRecentsExtraViewContainer = new RecentsExtraViewContainer(getContext());
-        FrameLayout.LayoutParams helpCardParams =
-                new FrameLayout.LayoutParams(FrameLayout.LayoutParams.MATCH_PARENT,
-                        FrameLayout.LayoutParams.MATCH_PARENT);
-        mRecentsExtraViewContainer.setLayoutParams(helpCardParams);
-        mRecentsExtraViewContainer.setScrollable(true);
-        addView(mRecentsExtraViewContainer, 0);
-    }
-
-    @Override
-    public boolean hasRecentsExtraCard() {
-        return mRecentsExtraViewContainer != null;
-    }
-
-    @Override
-    public void setContentAlpha(float alpha) {
-        super.setContentAlpha(alpha);
-        if (mRecentsExtraViewContainer != null) {
-            mRecentsExtraViewContainer.setAlpha(alpha);
-        }
-    }
-
-    @Override
     protected DepthController getDepthController() {
         return mActivity.getDepthController();
     }
diff --git a/quickstep/src/com/android/quickstep/views/RecentsExtraViewContainer.java b/quickstep/src/com/android/quickstep/views/RecentsExtraViewContainer.java
deleted file mode 100644
index 16bc3bc..0000000
--- a/quickstep/src/com/android/quickstep/views/RecentsExtraViewContainer.java
+++ /dev/null
@@ -1,54 +0,0 @@
-/*
- * Copyright (C) 2019 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.views;
-
-import android.content.Context;
-import android.util.AttributeSet;
-import android.widget.FrameLayout;
-
-/**
- * Empty view to house recents overview extra card
- */
-public class RecentsExtraViewContainer extends FrameLayout {
-
-    private boolean mScrollable = false;
-
-    public RecentsExtraViewContainer(Context context) {
-        super(context);
-    }
-
-    public RecentsExtraViewContainer(Context context, AttributeSet attrs) {
-        super(context, attrs);
-    }
-
-    public RecentsExtraViewContainer(Context context, AttributeSet attrs, int defStyleAttr) {
-        super(context, attrs, defStyleAttr);
-    }
-
-    /**
-     * Determine whether the view should be scrolled to in the recents overview, similar to the
-     * taskviews.
-     * @return true if viewed should be scrolled to, false if not
-     */
-    public boolean isScrollable() {
-        return mScrollable;
-    }
-
-    public void setScrollable(boolean scrollable) {
-        this.mScrollable = scrollable;
-    }
-}
diff --git a/quickstep/src/com/android/quickstep/views/RecentsView.java b/quickstep/src/com/android/quickstep/views/RecentsView.java
index 88f82a4..e1a3895 100644
--- a/quickstep/src/com/android/quickstep/views/RecentsView.java
+++ b/quickstep/src/com/android/quickstep/views/RecentsView.java
@@ -103,6 +103,7 @@
 import android.view.animation.Interpolator;
 import android.widget.ListView;
 import android.widget.OverScroller;
+import android.widget.Toast;
 
 import androidx.annotation.Nullable;
 import androidx.annotation.UiThread;
@@ -116,7 +117,6 @@
 import com.android.launcher3.PagedView;
 import com.android.launcher3.R;
 import com.android.launcher3.Utilities;
-import com.android.launcher3.anim.AnimationSuccessListener;
 import com.android.launcher3.anim.AnimatorListeners;
 import com.android.launcher3.anim.AnimatorPlaybackController;
 import com.android.launcher3.anim.PendingAnimation;
@@ -591,6 +591,8 @@
     private TaskView mSplitHiddenTaskView;
     private TaskView mSecondSplitHiddenTaskView;
     private SplitConfigurationOptions.StagedSplitBounds mSplitBoundsConfig;
+    private final Toast mSplitToast = Toast.makeText(getContext(),
+            R.string.toast_split_select_app, Toast.LENGTH_SHORT);
 
     /**
      * Keeps track of the index of the TaskView that split screen was initialized with so we know
@@ -609,8 +611,6 @@
      */
     private TaskView mMovingTaskView;
 
-    // Keeps track of the index where the first TaskView should be
-    private int mTaskViewStartIndex = 0;
     private OverviewActionsView mActionsView;
 
     private MultiWindowModeChangedListener mMultiWindowModeChangedListener =
@@ -895,7 +895,6 @@
             taskView.setTaskViewId(-1);
             mActionsView.updateHiddenFlags(HIDDEN_NO_TASKS, getTaskViewCount() == 0);
         }
-        updateTaskStartIndex(child);
     }
 
     @Override
@@ -905,7 +904,6 @@
         // RecentsView is set to RTL in the constructor when system is using LTR. Here we set the
         // child direction back to match system settings.
         child.setLayoutDirection(mIsRtl ? View.LAYOUT_DIRECTION_LTR : View.LAYOUT_DIRECTION_RTL);
-        updateTaskStartIndex(child);
         mActionsView.updateHiddenFlags(HIDDEN_NO_TASKS, false);
         updateEmptyMessage();
     }
@@ -998,18 +996,6 @@
         anim.start();
     }
 
-    private void updateTaskStartIndex(View affectingView) {
-        if (!(affectingView instanceof TaskView) && !(affectingView instanceof ClearAllButton)) {
-            int childCount = getChildCount();
-
-            mTaskViewStartIndex = 0;
-            while (mTaskViewStartIndex < childCount
-                    && !(getChildAt(mTaskViewStartIndex) instanceof TaskView)) {
-                mTaskViewStartIndex++;
-            }
-        }
-    }
-
     public boolean isTaskViewVisible(TaskView tv) {
         if (showAsGrid()) {
             int screenStart = mOrientationHandler.getPrimaryScroll(this);
@@ -1074,8 +1060,7 @@
      * @param taskIndex the index of the task
      */
     public boolean isTaskSnapped(int taskIndex) {
-        return getScrollForPage(taskIndex + mTaskViewStartIndex)
-                == getPagedOrientationHandler().getPrimaryScroll(this);
+        return getScrollForPage(taskIndex) == getPagedOrientationHandler().getPrimaryScroll(this);
     }
 
     public TaskView getTaskViewByTaskId(int taskId) {
@@ -1289,7 +1274,7 @@
             return;
         }
 
-        if (mCurrentPage == mTaskViewStartIndex) {
+        if (mCurrentPage == 0) {
             return;
         }
 
@@ -1301,8 +1286,8 @@
         removeView(focusedTaskView);
         mMovingTaskView = null;
         focusedTaskView.resetPersistentViewTransforms();
-        addView(focusedTaskView, mTaskViewStartIndex);
-        setCurrentPage(mTaskViewStartIndex);
+        addView(focusedTaskView, 0);
+        setCurrentPage(0);
 
         updateGridProperties();
     }
@@ -1320,7 +1305,7 @@
         }
 
         int currentTaskId = -1;
-        TaskView currentTaskView = getTaskViewAtByAbsoluteIndex(mCurrentPage);
+        TaskView currentTaskView = getTaskViewAt(mCurrentPage);
         if (currentTaskView != null) {
             currentTaskId = currentTaskView.getTask().key.id;
         }
@@ -1374,7 +1359,7 @@
         for (int taskViewIndex = requiredTaskViewCount - 1, taskDataIndex = tasks.size() - 1;
                 taskViewIndex >= 0;
                 taskViewIndex--, taskDataIndex--) {
-            final int pageIndex = requiredTaskViewCount - taskViewIndex - 1 + mTaskViewStartIndex;
+            final int pageIndex = requiredTaskViewCount - taskViewIndex - 1;
             final Task task = tasks.get(taskDataIndex);
             final TaskView taskView = (TaskView) getChildAt(pageIndex);
             if (taskView instanceof GroupedTaskView) {
@@ -1415,7 +1400,7 @@
             if (newRunningTaskView == null) {
                 StringBuilder sb = new StringBuilder();
                 for (int i = requiredTaskViewCount - 1; i >= 0; i--) {
-                    final int pageIndex = requiredTaskViewCount - i - 1 + mTaskViewStartIndex;
+                    final int pageIndex = requiredTaskViewCount - i - 1;
                     final TaskView taskView = (TaskView) getChildAt(pageIndex);
                     int taskViewId = taskView.getTaskViewId();
                     sb.append(" taskViewId: " + taskViewId
@@ -1478,7 +1463,7 @@
     }
 
     public int getTaskViewCount() {
-        int taskViewCount = getChildCount() - mTaskViewStartIndex;
+        int taskViewCount = getChildCount();
         if (indexOfChild(mClearAllButton) != -1) {
             taskViewCount--;
         }
@@ -1612,7 +1597,7 @@
         boolean isInLandscape = mOrientationState.getTouchRotation() != ROTATION_0
                 || mOrientationState.getRecentsActivityRotation() != ROTATION_0;
         mActionsView.updateHiddenFlags(HIDDEN_NON_ZERO_ROTATION,
-                !mOrientationState.canRecentsActivityRotate() && isInLandscape);
+                !mOrientationState.isRecentsActivityRotationAllowed() && isInLandscape);
 
         // Update TaskView's DeviceProfile dependent layout.
         updateChildTaskOrientations();
@@ -1893,11 +1878,6 @@
 
     public abstract void startHome();
 
-    /** `true` if there is a +1 space available in overview. */
-    public boolean hasRecentsExtraCard() {
-        return false;
-    }
-
     public void reset() {
         setCurrentTask(-1);
         mIgnoreResetTaskId = -1;
@@ -2004,10 +1984,6 @@
         return tv == null ? -1 : indexOfChild(tv);
     }
 
-    public int getTaskViewStartIndex() {
-        return mTaskViewStartIndex;
-    }
-
     /**
      * Reloads the view if anything in recents changed.
      */
@@ -2044,7 +2020,7 @@
     }
 
     private void animateRecentsRotationInPlace(int newRotation) {
-        if (mOrientationState.canRecentsActivityRotate()) {
+        if (mOrientationState.isRecentsActivityRotationAllowed()) {
             // Let system take care of the rotation
             return;
         }
@@ -2182,7 +2158,7 @@
                         Task.from(new TaskKey(taskInfo), taskInfo, false),
                         Task.from(new TaskKey(secondaryTaskInfo), secondaryTaskInfo, false)
                 };
-                addView(taskView, mTaskViewStartIndex);
+                addView(taskView, 0);
                 // When we create a placeholder task view mSplitBoundsConfig will be null, but with
                 // the actual app running we won't need to show the thumbnail until all the tasks
                 // load later anyways
@@ -2190,7 +2166,7 @@
                         mOrientationState, mSplitBoundsConfig);
             } else {
                 taskView = getTaskViewFromPool(false);
-                addView(taskView, mTaskViewStartIndex);
+                addView(taskView, 0);
                 // The temporary running task is only used for the duration between the start of the
                 // gesture and the task list is loaded and applied
                 mTmpRunningTasks = new Task[]{Task.from(new TaskKey(taskInfo), taskInfo, false)};
@@ -2358,7 +2334,7 @@
         int focusedTaskWidthAndSpacing = 0;
         int snappedTaskRowWidth = 0;
         int snappedPage = getNextPage();
-        TaskView snappedTaskView = getTaskViewAtByAbsoluteIndex(snappedPage);
+        TaskView snappedTaskView = getTaskViewAt(snappedPage);
         TaskView homeTaskView = getHomeTaskView();
         TaskView nextFocusedTaskView = null;
 
@@ -2471,7 +2447,7 @@
         if (snappedTaskView != null) {
             snappedTaskNonGridScrollAdjustment = snappedTaskView.getScrollAdjustment(
                     /*fullscreenEnabled=*/true, /*gridEnabled=*/false);
-            snappedTaskGridTranslationX = gridTranslations[snappedPage - mTaskViewStartIndex];
+            snappedTaskGridTranslationX = gridTranslations[snappedPage];
         }
 
         // Use the accumulated translation of the row containing the last task.
@@ -2679,6 +2655,11 @@
         mFirstFloatingTaskView.setAlpha(1);
         mFirstFloatingTaskView.addAnimation(anim, startingTaskRect,
                 mTempRect, mSplitHiddenTaskView, true /*fadeWithThumbnail*/);
+        anim.addEndListener(success -> {
+            if (success) {
+                mSplitToast.show();
+            }
+        });
     }
 
     /**
@@ -3022,7 +3003,7 @@
                             // Get the id of the task view we will snap to based on the current
                             // page's relative position as the order of indices change over time due
                             // to dismissals.
-                            TaskView snappedTaskView = getTaskViewAtByAbsoluteIndex(mCurrentPage);
+                            TaskView snappedTaskView = getTaskViewAt(mCurrentPage);
                             if (snappedTaskView != null) {
                                 if (snappedTaskView.getTaskViewId() == mFocusedTaskViewId) {
                                     if (finalNextFocusedTaskView != null) {
@@ -3221,10 +3202,7 @@
 
             if (isTaskViewVisible(topTask)) {
                 TaskView bottomTask = getTaskViewFromTaskViewId(bottomRowIdArray.get(i));
-                lastVisibleIndex = Math.max(
-                        indexOfChild(topTask) - mTaskViewStartIndex,
-                        indexOfChild(bottomTask) - mTaskViewStartIndex
-                );
+                lastVisibleIndex = Math.max(indexOfChild(topTask), indexOfChild(bottomTask));
             } else if (lastVisibleIndex < Integer.MAX_VALUE) {
                 break;
             }
@@ -3497,22 +3475,22 @@
 
     @Nullable
     public TaskView getNextTaskView() {
-        return getTaskViewAtByAbsoluteIndex(getRunningTaskIndex() + 1);
+        return getTaskViewAt(getRunningTaskIndex() + 1);
     }
 
     @Nullable
     public TaskView getCurrentPageTaskView() {
-        return getTaskViewAtByAbsoluteIndex(getCurrentPage());
+        return getTaskViewAt(getCurrentPage());
     }
 
     @Nullable
     public TaskView getNextPageTaskView() {
-        return getTaskViewAtByAbsoluteIndex(getNextPage());
+        return getTaskViewAt(getNextPage());
     }
 
     @Nullable
     public TaskView getTaskViewNearestToCenterOfScreen() {
-        return getTaskViewAtByAbsoluteIndex(getPageNearestToCenterOfScreen());
+        return getTaskViewAt(getPageNearestToCenterOfScreen());
     }
 
     /**
@@ -3520,16 +3498,8 @@
      */
     @Nullable
     public TaskView getTaskViewAt(int index) {
-        return getTaskViewAtByAbsoluteIndex(index + mTaskViewStartIndex);
-    }
-
-    @Nullable
-    private TaskView getTaskViewAtByAbsoluteIndex(int index) {
-        if (index < getChildCount() && index >= 0) {
-            View child = getChildAt(index);
-            return child instanceof TaskView ? (TaskView) child : null;
-        }
-        return null;
+        View child = getChildAt(index);
+        return child instanceof TaskView ? (TaskView) child : null;
     }
 
     public void setOnEmptyMessageUpdatedListener(OnEmptyMessageUpdatedListener listener) {
@@ -3810,6 +3780,7 @@
     }
 
     public void confirmSplitSelect(TaskView taskView) {
+        mSplitToast.cancel();
         RectF secondTaskStartingBounds = new RectF();
         Rect secondTaskEndingBounds = new Rect();
         // TODO(194414938) starting bounds seem slightly off, investigate
@@ -3851,6 +3822,7 @@
         splitController.resetState();
         int duration = mActivity.getStateManager().getState().getTransitionDuration(getContext());
         PendingAnimation pendingAnim = new PendingAnimation(duration);
+        mSplitToast.cancel();
         if (!animate) {
             resetFromSplitSelectionState();
             return pendingAnim;
@@ -4385,7 +4357,7 @@
             } else {
                 TaskView focusedTaskView = mShowAsGridLastOnLayout ? getFocusedTaskView() : null;
                 return getScrollForPage(focusedTaskView != null ? indexOfChild(focusedTaskView)
-                        : mTaskViewStartIndex);
+                        : 0);
             }
         }
         return super.computeMinScroll();
@@ -4397,7 +4369,7 @@
             if (mIsRtl) {
                 TaskView focusedTaskView = mShowAsGridLastOnLayout ? getFocusedTaskView() : null;
                 return getScrollForPage(focusedTaskView != null ? indexOfChild(focusedTaskView)
-                        : mTaskViewStartIndex);
+                        : 0);
             } else {
                 // If we aren't showing the clear all button, use the leftmost task as the min
                 // scroll.
@@ -4449,7 +4421,7 @@
         for (int i = 0; i < taskCount; i++) {
             TaskView taskView = getTaskViewAt(i);
             float scrollDiff = taskView.getScrollAdjustment(showAsFullscreen, showAsGrid);
-            int pageScroll = newPageScrolls[i + mTaskViewStartIndex] + (int) scrollDiff;
+            int pageScroll = newPageScrolls[i] + (int) scrollDiff;
             if ((mIsRtl && pageScroll < clearAllScroll + clearAllWidth)
                     || (!mIsRtl && pageScroll > clearAllScroll - clearAllWidth)) {
                 pageScroll = clearAllScroll + (mIsRtl ? clearAllWidth : -clearAllWidth);
@@ -4478,7 +4450,7 @@
 
     @Override
     protected int getChildVisibleSize(int index) {
-        final TaskView taskView = getTaskViewAtByAbsoluteIndex(index);
+        final TaskView taskView = getTaskViewAt(index);
         if (taskView == null) {
             return super.getChildVisibleSize(index);
         }
@@ -4521,7 +4493,7 @@
      * according to {@link #mGridProgress}.
      */
     public float getGridTranslationSecondary(int pageIndex) {
-        TaskView taskView = getTaskViewAtByAbsoluteIndex(pageIndex);
+        TaskView taskView = getTaskViewAt(pageIndex);
         if (taskView == null) {
             return 0;
         }
@@ -4562,8 +4534,8 @@
     private void updateEnabledOverlays() {
         int overlayEnabledPage = mOverlayEnabled ? getNextPage() : -1;
         int taskCount = getTaskViewCount();
-        for (int i = mTaskViewStartIndex; i < mTaskViewStartIndex + taskCount; i++) {
-            getTaskViewAtByAbsoluteIndex(i).setOverlayEnabled(i == overlayEnabledPage);
+        for (int i = 0; i < taskCount; i++) {
+            getTaskViewAt(i).setOverlayEnabled(i == overlayEnabledPage);
         }
     }
 
@@ -4666,7 +4638,7 @@
             getCurrentPageTaskView().setModalness(modalness);
         }
         // Only show actions view when it's modal for in-place landscape mode.
-        boolean inPlaceLandscape = !mOrientationState.canRecentsActivityRotate()
+        boolean inPlaceLandscape = !mOrientationState.isRecentsActivityRotationAllowed()
                 && mOrientationState.getTouchRotation() != ROTATION_0;
         mActionsView.updateHiddenFlags(HIDDEN_NON_ZERO_ROTATION, modalness < 1 && inPlaceLandscape);
     }
diff --git a/res/values-es/strings.xml b/res/values-es/strings.xml
index 95ff0ca..af5c5e5 100644
--- a/res/values-es/strings.xml
+++ b/res/values-es/strings.xml
@@ -96,7 +96,7 @@
     <string name="folder_name_format_exact" msgid="8626242716117004803">"Carpeta: <xliff:g id="NAME">%1$s</xliff:g> (<xliff:g id="SIZE">%2$d</xliff:g> elementos)"</string>
     <string name="folder_name_format_overflow" msgid="4270108890534995199">"Carpeta: <xliff:g id="NAME">%1$s</xliff:g> (<xliff:g id="SIZE">%2$d</xliff:g> o más elementos)"</string>
     <string name="wallpaper_button_text" msgid="8404103075899945851">"Fondos de pantalla"</string>
-    <string name="styles_wallpaper_button_text" msgid="8216961355289236794">"Estilo y fondo de pantalla"</string>
+    <string name="styles_wallpaper_button_text" msgid="8216961355289236794">"Fondo de pantalla y estilo"</string>
     <string name="settings_button_text" msgid="8873672322605444408">"Ajustes de la pantalla de inicio"</string>
     <string name="msg_disabled_by_admin" msgid="6898038085516271325">"Inhabilitado por el administrador"</string>
     <string name="allow_rotation_title" msgid="7728578836261442095">"Permitir rotación de la pantalla de inicio"</string>
diff --git a/res/values-te/strings.xml b/res/values-te/strings.xml
index 705eaf4..956bc8e 100644
--- a/res/values-te/strings.xml
+++ b/res/values-te/strings.xml
@@ -41,7 +41,7 @@
     <string name="widgets_and_shortcuts_count" msgid="7209136747878365116">"<xliff:g id="WIDGETS_COUNT">%1$s</xliff:g>, <xliff:g id="SHORTCUTS_COUNT">%2$s</xliff:g>"</string>
     <string name="widget_button_text" msgid="2880537293434387943">"విడ్జెట్‌లు"</string>
     <string name="widgets_full_sheet_search_bar_hint" msgid="8484659090860596457">"సెర్చ్ చేయండి"</string>
-    <string name="widgets_full_sheet_cancel_button_description" msgid="5766167035728653605">"సెర్చ్ బాక్స్ నుండి టెక్స్ట్‌ను క్లియర్ చేయి"</string>
+    <string name="widgets_full_sheet_cancel_button_description" msgid="5766167035728653605">"సెర్చ్ బాక్స్ నుండి టెక్స్ట్‌ను క్లియర్ చేయండి"</string>
     <string name="no_widgets_available" msgid="4337693382501046170">"విడ్జెట్‌లు, షార్ట్‌కట్‌లు అందుబాటులో లేవు"</string>
     <string name="no_search_results" msgid="3787956167293097509">"విడ్జెట్‌లు లేదా షార్ట్‌కట్‌లు కనుగొనబడలేదు"</string>
     <string name="widgets_full_sheet_personal_tab" msgid="2743540105607120182">"వ్యక్తిగత గ్యాడ్జెట్స్"</string>
@@ -52,10 +52,10 @@
     <string name="reconfigurable_widget_education_tip" msgid="6336962690888067057">"విడ్జెట్ సెట్టింగ్‌లను మార్చడానికి ట్యాప్ చేయండి"</string>
     <string name="widget_education_close_button" msgid="8676165703104836580">"అర్థమైంది"</string>
     <string name="widget_reconfigure_button_content_description" msgid="8811472721881205250">"విడ్జెట్ సెట్టింగ్‌లను మార్చండి"</string>
-    <string name="all_apps_search_bar_hint" msgid="1390553134053255246">"అప్లికేషన్‌లను వెతకండి"</string>
+    <string name="all_apps_search_bar_hint" msgid="1390553134053255246">"యాప్‌ల కోసం సెర్చ్ చేయండి"</string>
     <string name="all_apps_loading_message" msgid="5813968043155271636">"అప్లికేషన్‌లను లోడ్ చేస్తోంది…"</string>
     <string name="all_apps_no_search_results" msgid="3200346862396363786">"\"<xliff:g id="QUERY">%1$s</xliff:g>\"కి సరిపోలే అప్లికేషన్‌లేవీ కనుగొనబడలేదు"</string>
-    <string name="all_apps_search_market_message" msgid="1366263386197059176">"మరిన్ని యాప్‌ల కోసం వెతుకు"</string>
+    <string name="all_apps_search_market_message" msgid="1366263386197059176">"మరిన్ని యాప్‌ల కోసం సెర్చ్ చేయండి"</string>
     <string name="label_application" msgid="8531721983832654978">"యాప్"</string>
     <string name="notifications_header" msgid="1404149926117359025">"నోటిఫికేషన్‌లు"</string>
     <string name="long_press_shortcut_to_add" msgid="5405328730817637737">"షార్ట్‌కట్‌ను తరలించడానికి తాకి &amp; నొక్కి ఉంచు."</string>
@@ -114,7 +114,7 @@
     <string name="abandoned_clean_this" msgid="7610119707847920412">"తీసివేయి"</string>
     <string name="abandoned_search" msgid="891119232568284442">"సెర్చ్"</string>
     <string name="abandoned_promises_title" msgid="7096178467971716750">"ఈ యాప్ ఇన్‌స్టాల్ చేయబడలేదు"</string>
-    <string name="abandoned_promise_explanation" msgid="3990027586878167529">"ఈ చిహ్నం యొక్క యాప్ ఇన్‌స్టాల్ చేయబడలేదు. మీరు దీన్ని తీసివేయవచ్చు లేదా ఆ యాప్ కోసం శోధించి దాన్ని మాన్యువల్‌గా ఇన్‌స్టాల్ చేయవచ్చు."</string>
+    <string name="abandoned_promise_explanation" msgid="3990027586878167529">"ఈ ఐకాన్‌కు చెందిన యాప్ ఇన్‌స్టాల్ చేయలేదు. మీరు దీన్ని తీసివేయవచ్చు లేదా ఆ యాప్ కోసం సెర్చ్ చేసి, దాన్ని మాన్యువల్‌గా ఇన్‌స్టాల్ చేయవచ్చు."</string>
     <string name="app_installing_title" msgid="5864044122733792085">"<xliff:g id="NAME">%1$s</xliff:g>‌ను ఇన్‌స్టాల్ చేయడం, <xliff:g id="PROGRESS">%2$s</xliff:g> పూర్తయింది"</string>
     <string name="app_downloading_title" msgid="8336702962104482644">"<xliff:g id="NAME">%1$s</xliff:g> డౌన్‌లోడ్ అవుతోంది, <xliff:g id="PROGRESS">%2$s</xliff:g> పూర్తయింది"</string>
     <string name="app_waiting_download_title" msgid="7053938513995617849">"<xliff:g id="NAME">%1$s</xliff:g> ఇన్‌స్టాల్ కావడానికి వేచి ఉంది"</string>
diff --git a/res/values/strings.xml b/res/values/strings.xml
index 323c5ca..f315725 100644
--- a/res/values/strings.xml
+++ b/res/values/strings.xml
@@ -198,8 +198,11 @@
     <!-- Error text that lets a user know that the widget can't load. -->
     <string name="gadget_error_text">Can\'t load widget</string>
 
+    <!-- Button text. This button lets a user change a widget's settings. -->
+    <string name="gadget_setup_text">Widget settings</string>
+
     <!-- Instructional text to encourage a user to finish setting up the widget. -->
-    <string name="gadget_setup_text">Tap to finish setup</string>
+    <string name="gadget_complete_setup_text">Tap to finish setup</string>
 
     <!-- Text to inform the user that they can't uninstall a system application -->
     <string name="uninstall_system_app_text">This is a system app and can\'t be uninstalled.</string>
diff --git a/src/com/android/launcher3/Hotseat.java b/src/com/android/launcher3/Hotseat.java
index b3ae15e..e86c02c 100644
--- a/src/com/android/launcher3/Hotseat.java
+++ b/src/com/android/launcher3/Hotseat.java
@@ -151,7 +151,8 @@
             }
             return mWorkspace.onTouchEvent(event);
         }
-        return event.getY() > getCellHeight();
+        // Always let touch follow through to Workspace.
+        return false;
     }
 
     @Override
diff --git a/src/com/android/launcher3/Launcher.java b/src/com/android/launcher3/Launcher.java
index 409ee83..0340694 100644
--- a/src/com/android/launcher3/Launcher.java
+++ b/src/com/android/launcher3/Launcher.java
@@ -2118,8 +2118,16 @@
 
     @Override
     public IntSet getPagesToBindSynchronously(IntArray orderedScreenIds) {
-        IntSet visibleIds = mPagesToBindSynchronously.isEmpty()
-                ? mWorkspace.getCurrentPageScreenIds() : mPagesToBindSynchronously;
+        IntSet visibleIds;
+        if (!mPagesToBindSynchronously.isEmpty()) {
+            visibleIds = mPagesToBindSynchronously;
+        } else if (!mWorkspaceLoading) {
+            visibleIds = mWorkspace.getCurrentPageScreenIds();
+        } else {
+            // If workspace binding is still in progress, getCurrentPageScreenIds won't be accurate,
+            // and we should use mSynchronouslyBoundPages that's set during initial binding.
+            visibleIds = mSynchronouslyBoundPages;
+        }
         IntArray actualIds = new IntArray();
 
         IntSet result = new IntSet();
diff --git a/src/com/android/launcher3/popup/ArrowPopup.java b/src/com/android/launcher3/popup/ArrowPopup.java
index 117ae42..2230914 100644
--- a/src/com/android/launcher3/popup/ArrowPopup.java
+++ b/src/com/android/launcher3/popup/ArrowPopup.java
@@ -270,6 +270,15 @@
                     backgroundColor = colors[numVisibleChild % colors.length];
                 }
 
+                if (!ENABLE_LOCAL_COLOR_POPUPS.get()) {
+                    // Arrow color matches the first child or the last child.
+                    if (!mIsAboveIcon && numVisibleChild == 0 && viewGroup == this) {
+                        mArrowColor = backgroundColor;
+                    } else if (mIsAboveIcon) {
+                        mArrowColor = backgroundColor;
+                    }
+                }
+
                 if (view instanceof ViewGroup && mIterateChildrenTag.equals(view.getTag())) {
                     assignMarginsAndBackgrounds((ViewGroup) view, backgroundColor);
                     numVisibleChild++;
@@ -293,12 +302,6 @@
 
                 if (!ENABLE_LOCAL_COLOR_POPUPS.get()) {
                     setChildColor(view, backgroundColor, colorAnimator);
-                    // Arrow color matches the first child or the last child.
-                    if (!mIsAboveIcon && numVisibleChild == 0) {
-                        mArrowColor = backgroundColor;
-                    } else if (mIsAboveIcon) {
-                        mArrowColor = backgroundColor;
-                    }
                 }
 
                 numVisibleChild++;
@@ -495,7 +498,7 @@
         mArrow.setPivotY(mIsAboveIcon ? mArrowHeight : 0);
     }
 
-    private void updateArrowColor() {
+    protected void updateArrowColor() {
         if (!Gravity.isVertical(mGravity)) {
             mArrow.setBackground(new RoundedArrowDrawable(
                     mArrowWidth, mArrowHeight, mArrowPointRadius,
diff --git a/src/com/android/launcher3/popup/PopupContainerWithArrow.java b/src/com/android/launcher3/popup/PopupContainerWithArrow.java
index e340b21..65dd8ea 100644
--- a/src/com/android/launcher3/popup/PopupContainerWithArrow.java
+++ b/src/com/android/launcher3/popup/PopupContainerWithArrow.java
@@ -593,6 +593,7 @@
                 mNotificationContainer.setVisibility(GONE);
                 updateHiddenShortcuts();
                 assignMarginsAndBackgrounds(PopupContainerWithArrow.this);
+                updateArrowColor();
             } else {
                 mNotificationContainer.trimNotifications(
                         NotificationKeyData.extractKeysOnly(dotInfo.getNotificationKeys()));
diff --git a/src/com/android/launcher3/widget/PendingAppWidgetHostView.java b/src/com/android/launcher3/widget/PendingAppWidgetHostView.java
index 57a6d3f..b6bb6aa 100644
--- a/src/com/android/launcher3/widget/PendingAppWidgetHostView.java
+++ b/src/com/android/launcher3/widget/PendingAppWidgetHostView.java
@@ -268,8 +268,8 @@
             if (availableWidth > 0) {
                 // Recreate the setup text.
                 mSetupTextLayout = new StaticLayout(
-                        getResources().getText(R.string.gadget_setup_text), mPaint, availableWidth,
-                        Layout.Alignment.ALIGN_CENTER, 1, 0, true);
+                        getResources().getText(R.string.gadget_complete_setup_text), mPaint,
+                        availableWidth, Layout.Alignment.ALIGN_CENTER, 1, 0, true);
                 int textHeight = mSetupTextLayout.getHeight();
 
                 // Extra icon size due to the setting icon
diff --git a/src_plugins/com/android/systemui/plugins/RecentsExtraCard.java b/src_plugins/com/android/systemui/plugins/RecentsExtraCard.java
deleted file mode 100644
index cd9f33d..0000000
--- a/src_plugins/com/android/systemui/plugins/RecentsExtraCard.java
+++ /dev/null
@@ -1,42 +0,0 @@
-/*
- * Copyright (C) 2019 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.systemui.plugins;
-
-import android.app.Activity;
-import android.content.Context;
-import android.widget.FrameLayout;
-
-import com.android.systemui.plugins.annotations.ProvidesInterface;
-
-/**
- * Implement this interface to allow extra card on recents overview.
- */
-@ProvidesInterface(action = RecentsExtraCard.ACTION, version = RecentsExtraCard.VERSION)
-public interface RecentsExtraCard extends Plugin {
-
-    String ACTION = "com.android.systemui.action.PLUGIN_RECENTS_EXTRA_CARD";
-    int VERSION = 1;
-
-    /**
-     * Sets up the recents overview extra card and fills in data.
-     *
-     * @param context     Plugin context
-     * @param frameLayout PlaceholderView
-     * @param activity    Recents activity to hold extra view
-     */
-    void setupView(Context context, FrameLayout frameLayout, Activity activity);
-}