diff --git a/quickstep/src/com/android/launcher3/uioverrides/BackButtonAlphaHandler.java b/quickstep/src/com/android/launcher3/uioverrides/BackButtonAlphaHandler.java
index 722f51b..693ae60 100644
--- a/quickstep/src/com/android/launcher3/uioverrides/BackButtonAlphaHandler.java
+++ b/quickstep/src/com/android/launcher3/uioverrides/BackButtonAlphaHandler.java
@@ -35,7 +35,7 @@
 
     public BackButtonAlphaHandler(Launcher launcher) {
         mLauncher = launcher;
-        mOverviewInteractionState = OverviewInteractionState.getInstance(mLauncher);
+        mOverviewInteractionState = OverviewInteractionState.INSTANCE.get(mLauncher);
     }
 
     @Override
diff --git a/quickstep/src/com/android/launcher3/uioverrides/LandscapeEdgeSwipeController.java b/quickstep/src/com/android/launcher3/uioverrides/LandscapeEdgeSwipeController.java
index 6d10619..fd4bf9b 100644
--- a/quickstep/src/com/android/launcher3/uioverrides/LandscapeEdgeSwipeController.java
+++ b/quickstep/src/com/android/launcher3/uioverrides/LandscapeEdgeSwipeController.java
@@ -73,7 +73,7 @@
     protected void onSwipeInteractionCompleted(LauncherState targetState, int logAction) {
         super.onSwipeInteractionCompleted(targetState, logAction);
         if (mStartState == NORMAL && targetState == OVERVIEW) {
-            RecentsModel.getInstance(mLauncher).onOverviewShown(true, TAG);
+            RecentsModel.INSTANCE.get(mLauncher).onOverviewShown(true, TAG);
         }
     }
 }
diff --git a/quickstep/src/com/android/launcher3/uioverrides/OverviewState.java b/quickstep/src/com/android/launcher3/uioverrides/OverviewState.java
index cf3eee6..25b5f57 100644
--- a/quickstep/src/com/android/launcher3/uioverrides/OverviewState.java
+++ b/quickstep/src/com/android/launcher3/uioverrides/OverviewState.java
@@ -78,7 +78,7 @@
     public void onStateDisabled(Launcher launcher) {
         RecentsView rv = launcher.getOverviewPanel();
         rv.setOverviewStateEnabled(false);
-        RecentsModel.getInstance(launcher).resetAssistCache();
+        RecentsModel.INSTANCE.get(launcher).resetAssistCache();
     }
 
     @Override
diff --git a/quickstep/src/com/android/launcher3/uioverrides/PortraitStatesTouchController.java b/quickstep/src/com/android/launcher3/uioverrides/PortraitStatesTouchController.java
index 1d1b7da..a1ae99e 100644
--- a/quickstep/src/com/android/launcher3/uioverrides/PortraitStatesTouchController.java
+++ b/quickstep/src/com/android/launcher3/uioverrides/PortraitStatesTouchController.java
@@ -256,7 +256,7 @@
     protected void onSwipeInteractionCompleted(LauncherState targetState, int logAction) {
         super.onSwipeInteractionCompleted(targetState, logAction);
         if (mStartState == NORMAL && targetState == OVERVIEW) {
-            RecentsModel.getInstance(mLauncher).onOverviewShown(true, TAG);
+            RecentsModel.INSTANCE.get(mLauncher).onOverviewShown(true, TAG);
         }
     }
 
diff --git a/quickstep/src/com/android/launcher3/uioverrides/TaskViewTouchController.java b/quickstep/src/com/android/launcher3/uioverrides/TaskViewTouchController.java
index 9a920c8..88f2315 100644
--- a/quickstep/src/com/android/launcher3/uioverrides/TaskViewTouchController.java
+++ b/quickstep/src/com/android/launcher3/uioverrides/TaskViewTouchController.java
@@ -121,7 +121,7 @@
                     if (mRecentsView.isTaskViewVisible(view) && mActivity.getDragLayer()
                             .isEventOverView(view, ev)) {
                         mTaskBeingDragged = view;
-                        if (!OverviewInteractionState.getInstance(mActivity)
+                        if (!OverviewInteractionState.INSTANCE.get(mActivity)
                                 .isSwipeUpGestureEnabled()) {
                             // Don't allow swipe down to open if we don't support swipe up
                             // to enter overview.
diff --git a/quickstep/src/com/android/launcher3/uioverrides/UiFactory.java b/quickstep/src/com/android/launcher3/uioverrides/UiFactory.java
index 2d0946b..c939330 100644
--- a/quickstep/src/com/android/launcher3/uioverrides/UiFactory.java
+++ b/quickstep/src/com/android/launcher3/uioverrides/UiFactory.java
@@ -57,7 +57,7 @@
 public class UiFactory {
 
     public static TouchController[] createTouchControllers(Launcher launcher) {
-        boolean swipeUpEnabled = OverviewInteractionState.getInstance(launcher)
+        boolean swipeUpEnabled = OverviewInteractionState.INSTANCE.get(launcher)
                 .isSwipeUpGestureEnabled();
         if (!swipeUpEnabled) {
             return new TouchController[] {
@@ -80,7 +80,7 @@
     }
 
     public static void setOnTouchControllersChangedListener(Context context, Runnable listener) {
-        OverviewInteractionState.getInstance(context).setOnSwipeUpSettingChangedListener(listener);
+        OverviewInteractionState.INSTANCE.get(context).setOnSwipeUpSettingChangedListener(listener);
     }
 
     public static StateHandler[] getStateHandler(Launcher launcher) {
@@ -100,7 +100,7 @@
             shouldBackButtonBeHidden = AbstractFloatingView.getTopOpenViewWithType(launcher,
                     TYPE_ALL & ~TYPE_HIDE_BACK_BUTTON) == null;
         }
-        OverviewInteractionState.getInstance(launcher)
+        OverviewInteractionState.INSTANCE.get(launcher)
                 .setBackButtonAlpha(shouldBackButtonBeHidden ? 0 : 1, true /* animate */);
     }
 
@@ -122,7 +122,7 @@
 
                 @Override
                 public void onStateTransitionComplete(LauncherState finalState) {
-                    boolean swipeUpEnabled = OverviewInteractionState.getInstance(launcher)
+                    boolean swipeUpEnabled = OverviewInteractionState.INSTANCE.get(launcher)
                             .isSwipeUpGestureEnabled();
                     LauncherState prevState = launcher.getStateManager().getLastState();
 
@@ -159,7 +159,7 @@
     }
 
     public static void onStart(Context context) {
-        RecentsModel model = RecentsModel.getInstance(context);
+        RecentsModel model = RecentsModel.INSTANCE.get(context);
         if (model != null) {
             model.onStart();
         }
@@ -169,17 +169,19 @@
         // After the transition to home, enable the high-res thumbnail loader if it wasn't enabled
         // as a part of quickstep/scrub, so that high-res thumbnails can load the next time we
         // enter overview
-        RecentsModel.getInstance(context).getRecentsTaskLoader()
+        RecentsModel.INSTANCE.get(context).getRecentsTaskLoader()
                 .getHighResThumbnailLoader().setVisible(true);
     }
 
     public static void onLauncherStateOrResumeChanged(Launcher launcher) {
         LauncherState state = launcher.getStateManager().getState();
-        DeviceProfile profile = launcher.getDeviceProfile();
-        WindowManagerWrapper.getInstance().setShelfHeight(
-                (state == NORMAL || state == OVERVIEW) && launcher.isUserActive()
-                        && !profile.isVerticalBarLayout(),
-                profile.hotseatBarSizePx);
+        if (!OverviewInteractionState.INSTANCE.get(launcher).swipeGestureInitializing()) {
+            DeviceProfile profile = launcher.getDeviceProfile();
+            WindowManagerWrapper.getInstance().setShelfHeight(
+                    (state == NORMAL || state == OVERVIEW) && launcher.isUserActive()
+                            && !profile.isVerticalBarLayout(),
+                    profile.hotseatBarSizePx);
+        }
 
         if (state == NORMAL) {
             launcher.<RecentsView>getOverviewPanel().setSwipeDownShouldLaunchApp(false);
@@ -187,7 +189,7 @@
     }
 
     public static void onTrimMemory(Context context, int level) {
-        RecentsModel model = RecentsModel.getInstance(context);
+        RecentsModel model = RecentsModel.INSTANCE.get(context);
         if (model != null) {
             model.onTrimMemory(level);
         }
diff --git a/quickstep/src/com/android/quickstep/OverviewCommandHelper.java b/quickstep/src/com/android/quickstep/OverviewCommandHelper.java
index 7c6eb32..3d54b82 100644
--- a/quickstep/src/com/android/quickstep/OverviewCommandHelper.java
+++ b/quickstep/src/com/android/quickstep/OverviewCommandHelper.java
@@ -111,7 +111,7 @@
         mContext = context;
         mAM = ActivityManagerWrapper.getInstance();
         mMainThreadExecutor = new MainThreadExecutor();
-        mRecentsModel = RecentsModel.getInstance(mContext);
+        mRecentsModel = RecentsModel.INSTANCE.get(mContext);
 
         Intent myHomeIntent = new Intent(Intent.ACTION_MAIN)
                 .addCategory(Intent.CATEGORY_HOME)
diff --git a/quickstep/src/com/android/quickstep/OverviewInteractionState.java b/quickstep/src/com/android/quickstep/OverviewInteractionState.java
index 922a7ff..99fffd8 100644
--- a/quickstep/src/com/android/quickstep/OverviewInteractionState.java
+++ b/quickstep/src/com/android/quickstep/OverviewInteractionState.java
@@ -25,21 +25,18 @@
 import android.content.res.Resources;
 import android.database.ContentObserver;
 import android.os.Handler;
-import android.os.Looper;
 import android.os.Message;
 import android.os.RemoteException;
 import android.provider.Settings;
 import android.support.annotation.WorkerThread;
 import android.util.Log;
 
-import com.android.launcher3.MainThreadExecutor;
 import com.android.launcher3.Utilities;
 import com.android.launcher3.allapps.DiscoveryBounce;
+import com.android.launcher3.util.MainThreadInitializedObject;
 import com.android.launcher3.util.UiThreadHelper;
 import com.android.systemui.shared.recents.ISystemUiProxy;
 
-import java.util.concurrent.ExecutionException;
-
 /**
  * Sets overview interaction flags, such as:
  *
@@ -60,23 +57,8 @@
             "config_swipe_up_gesture_default";
 
     // We do not need any synchronization for this variable as its only written on UI thread.
-    private static OverviewInteractionState INSTANCE;
-
-    public static OverviewInteractionState getInstance(final Context context) {
-        if (INSTANCE == null) {
-            if (Looper.myLooper() == Looper.getMainLooper()) {
-                INSTANCE = new OverviewInteractionState(context.getApplicationContext());
-            } else {
-                try {
-                    return new MainThreadExecutor().submit(
-                            () -> OverviewInteractionState.getInstance(context)).get();
-                } catch (InterruptedException|ExecutionException e) {
-                    throw new RuntimeException(e);
-                }
-            }
-        }
-        return INSTANCE;
-    }
+    public static final MainThreadInitializedObject<OverviewInteractionState> INSTANCE =
+            new MainThreadInitializedObject<>((c) -> new OverviewInteractionState(c));
 
     private static final int MSG_SET_PROXY = 200;
     private static final int MSG_SET_BACK_BUTTON_ALPHA = 201;
@@ -88,6 +70,8 @@
     private final Handler mUiHandler;
     private final Handler mBgHandler;
 
+    private boolean mSwipeGestureInitializing = false;
+
     // These are updated on the background thread
     private ISystemUiProxy mISystemUiProxy;
     private boolean mSwipeUpEnabled = true;
@@ -197,6 +181,15 @@
         }
     }
 
+    @WorkerThread
+    public void setSwipeGestureInitializing(boolean swipeGestureInitializing) {
+        mSwipeGestureInitializing = swipeGestureInitializing;
+    }
+
+    public boolean swipeGestureInitializing() {
+        return mSwipeGestureInitializing;
+    }
+
     private class SwipeUpGestureEnabledSettingObserver extends ContentObserver {
         private Handler mHandler;
         private ContentResolver mResolver;
diff --git a/quickstep/src/com/android/quickstep/RecentsModel.java b/quickstep/src/com/android/quickstep/RecentsModel.java
index 0b97f01..fa4e016 100644
--- a/quickstep/src/com/android/quickstep/RecentsModel.java
+++ b/quickstep/src/com/android/quickstep/RecentsModel.java
@@ -27,7 +27,6 @@
 import android.graphics.drawable.Drawable;
 import android.os.Build;
 import android.os.Bundle;
-import android.os.Looper;
 import android.os.RemoteException;
 import android.os.UserHandle;
 import android.support.annotation.WorkerThread;
@@ -38,6 +37,7 @@
 
 import com.android.launcher3.MainThreadExecutor;
 import com.android.launcher3.R;
+import com.android.launcher3.util.MainThreadInitializedObject;
 import com.android.launcher3.util.Preconditions;
 import com.android.systemui.shared.recents.ISystemUiProxy;
 import com.android.systemui.shared.recents.model.IconLoader;
@@ -50,7 +50,6 @@
 import com.android.systemui.shared.system.TaskStackChangeListener;
 
 import java.util.ArrayList;
-import java.util.concurrent.ExecutionException;
 import java.util.function.Consumer;
 
 /**
@@ -59,23 +58,8 @@
 @TargetApi(Build.VERSION_CODES.O)
 public class RecentsModel extends TaskStackChangeListener {
     // We do not need any synchronization for this variable as its only written on UI thread.
-    private static RecentsModel INSTANCE;
-
-    public static RecentsModel getInstance(final Context context) {
-        if (INSTANCE == null) {
-            if (Looper.myLooper() == Looper.getMainLooper()) {
-                INSTANCE = new RecentsModel(context.getApplicationContext());
-            } else {
-                try {
-                    return new MainThreadExecutor().submit(
-                            () -> RecentsModel.getInstance(context)).get();
-                } catch (InterruptedException|ExecutionException e) {
-                    throw new RuntimeException(e);
-                }
-            }
-        }
-        return INSTANCE;
-    }
+    public static final MainThreadInitializedObject<RecentsModel> INSTANCE =
+            new MainThreadInitializedObject<>(c -> new RecentsModel(c));
 
     private final SparseArray<Bundle> mCachedAssistData = new SparseArray<>(1);
     private final ArrayList<AssistDataListener> mAssistDataListeners = new ArrayList<>();
diff --git a/quickstep/src/com/android/quickstep/TaskSystemShortcut.java b/quickstep/src/com/android/quickstep/TaskSystemShortcut.java
index 24e199b..e64d04a 100644
--- a/quickstep/src/com/android/quickstep/TaskSystemShortcut.java
+++ b/quickstep/src/com/android/quickstep/TaskSystemShortcut.java
@@ -160,7 +160,7 @@
                 boolean dockTopOrLeft = navBarPosition != WindowManagerWrapper.NAV_BAR_POS_LEFT;
                 if (ActivityManagerWrapper.getInstance().startActivityFromRecents(taskId,
                         ActivityOptionsCompat.makeSplitScreenOptions(dockTopOrLeft))) {
-                    ISystemUiProxy sysUiProxy = RecentsModel.getInstance(activity).getSystemUiProxy();
+                    ISystemUiProxy sysUiProxy = RecentsModel.INSTANCE.get(activity).getSystemUiProxy();
                     try {
                         sysUiProxy.onSplitScreenInvoked();
                     } catch (RemoteException e) {
@@ -225,7 +225,7 @@
         @Override
         public View.OnClickListener getOnClickListener(
                 BaseDraggingActivity activity, TaskView taskView) {
-            ISystemUiProxy sysUiProxy = RecentsModel.getInstance(activity).getSystemUiProxy();
+            ISystemUiProxy sysUiProxy = RecentsModel.INSTANCE.get(activity).getSystemUiProxy();
             if (sysUiProxy == null) {
                 return null;
             }
diff --git a/quickstep/src/com/android/quickstep/TouchInteractionService.java b/quickstep/src/com/android/quickstep/TouchInteractionService.java
index 5a1f523..bd79301 100644
--- a/quickstep/src/com/android/quickstep/TouchInteractionService.java
+++ b/quickstep/src/com/android/quickstep/TouchInteractionService.java
@@ -90,7 +90,14 @@
         public void onMotionEvent(MotionEvent ev) {
             mEventQueue.queue(ev);
 
-            String name = sMotionEventNames.get(ev.getActionMasked());
+            int action = ev.getActionMasked();
+            if (action == ACTION_DOWN) {
+                mOverviewInteractionState.setSwipeGestureInitializing(true);
+            } else if (action == ACTION_UP || action == ACTION_CANCEL) {
+                mOverviewInteractionState.setSwipeGestureInitializing(false);
+            }
+
+            String name = sMotionEventNames.get(action);
             if (name != null){
                 TraceHelper.partitionSection("SysUiBinder", name);
             }
@@ -106,6 +113,7 @@
         @Override
         public void onQuickScrubStart() {
             mEventQueue.onQuickScrubStart();
+            mOverviewInteractionState.setSwipeGestureInitializing(false);
             TraceHelper.partitionSection("SysUiBinder", "onQuickScrubStart");
         }
 
@@ -146,8 +154,8 @@
         @Override
         public void onQuickStep(MotionEvent motionEvent) {
             mEventQueue.onQuickStep(motionEvent);
+            mOverviewInteractionState.setSwipeGestureInitializing(false);
             TraceHelper.endSection("SysUiBinder", "onQuickStep");
-
         }
 
         @Override
@@ -179,13 +187,13 @@
     public void onCreate() {
         super.onCreate();
         mAM = ActivityManagerWrapper.getInstance();
-        mRecentsModel = RecentsModel.getInstance(this);
+        mRecentsModel = RecentsModel.INSTANCE.get(this);
         mRecentsModel.setPreloadTasksInBackground(true);
         mMainThreadExecutor = new MainThreadExecutor();
         mOverviewCommandHelper = new OverviewCommandHelper(this);
         mMainThreadChoreographer = Choreographer.getInstance();
         mEventQueue = new MotionEventQueue(mMainThreadChoreographer, TouchConsumer.NO_OP);
-        mOverviewInteractionState = OverviewInteractionState.getInstance(this);
+        mOverviewInteractionState = OverviewInteractionState.INSTANCE.get(this);
         mOverviewCallbacks = OverviewCallbacks.get(this);
         mTaskOverlayFactory = TaskOverlayFactory.get(this);
 
diff --git a/quickstep/src/com/android/quickstep/WindowTransformSwipeHandler.java b/quickstep/src/com/android/quickstep/WindowTransformSwipeHandler.java
index 95dcf48..a04fe61 100644
--- a/quickstep/src/com/android/quickstep/WindowTransformSwipeHandler.java
+++ b/quickstep/src/com/android/quickstep/WindowTransformSwipeHandler.java
@@ -490,7 +490,7 @@
         // This method is only called when STATE_GESTURE_STARTED_QUICKSTEP/
         // STATE_GESTURE_STARTED_QUICKSCRUB is set, so we can enable the high-res thumbnail loader
         // here once we are sure that we will end up in an overview state
-        RecentsModel.getInstance(mContext).getRecentsTaskLoader()
+        RecentsModel.INSTANCE.get(mContext).getRecentsTaskLoader()
                 .getHighResThumbnailLoader().setVisible(true);
     }
 
@@ -949,7 +949,7 @@
         mRecentsView.animateUpRunningTaskIconScale();
         mRecentsView.setSwipeDownShouldLaunchApp(true);
 
-        RecentsModel.getInstance(mContext).onOverviewShown(false, TAG);
+        RecentsModel.INSTANCE.get(mContext).onOverviewShown(false, TAG);
 
         doLogGesture(true /* toLauncher */);
         reset();
@@ -979,7 +979,7 @@
         mQuickScrubController.onFinishedTransitionToQuickScrub();
 
         mRecentsView.animateUpRunningTaskIconScale();
-        RecentsModel.getInstance(mContext).onOverviewShown(false, TAG);
+        RecentsModel.INSTANCE.get(mContext).onOverviewShown(false, TAG);
     }
 
     public void onQuickScrubProgress(float progress) {
@@ -1113,7 +1113,7 @@
     }
 
     private void preloadAssistData() {
-        RecentsModel.getInstance(mContext).preloadAssistData(mRunningTaskId, mAssistData);
+        RecentsModel.INSTANCE.get(mContext).preloadAssistData(mRunningTaskId, mAssistData);
     }
 
     public static float getHiddenTargetAlpha(RemoteAnimationTargetCompat app, Float expectedAlpha) {
diff --git a/quickstep/src/com/android/quickstep/util/ClipAnimationHelper.java b/quickstep/src/com/android/quickstep/util/ClipAnimationHelper.java
index df70a8a..0597a2e 100644
--- a/quickstep/src/com/android/quickstep/util/ClipAnimationHelper.java
+++ b/quickstep/src/com/android/quickstep/util/ClipAnimationHelper.java
@@ -30,7 +30,6 @@
 import android.os.Build;
 import android.os.RemoteException;
 import android.support.annotation.Nullable;
-import android.view.Surface;
 import android.view.animation.Interpolator;
 
 import com.android.launcher3.BaseDraggingActivity;
@@ -50,7 +49,6 @@
 import com.android.systemui.shared.system.TransactionCompat;
 import com.android.systemui.shared.system.WindowManagerWrapper;
 
-import java.util.function.BiConsumer;
 import java.util.function.BiFunction;
 
 /**
@@ -260,7 +258,7 @@
     }
 
     private void updateStackBoundsToMultiWindowTaskSize(BaseDraggingActivity activity) {
-        ISystemUiProxy sysUiProxy = RecentsModel.getInstance(activity).getSystemUiProxy();
+        ISystemUiProxy sysUiProxy = RecentsModel.INSTANCE.get(activity).getSystemUiProxy();
         if (sysUiProxy != null) {
             try {
                 mSourceStackBounds.set(sysUiProxy.getNonMinimizedSplitScreenSecondaryBounds());
diff --git a/quickstep/src/com/android/quickstep/views/LauncherRecentsView.java b/quickstep/src/com/android/quickstep/views/LauncherRecentsView.java
index 7c5828b..697bb4f 100644
--- a/quickstep/src/com/android/quickstep/views/LauncherRecentsView.java
+++ b/quickstep/src/com/android/quickstep/views/LauncherRecentsView.java
@@ -124,7 +124,7 @@
             ClipAnimationHelper helper) {
         AnimatorSet anim = super.createAdjacentPageAnimForTaskLaunch(tv, helper);
 
-        if (!OverviewInteractionState.getInstance(mActivity).isSwipeUpGestureEnabled()) {
+        if (!OverviewInteractionState.INSTANCE.get(mActivity).isSwipeUpGestureEnabled()) {
             // Hotseat doesn't move when opening recents with the button,
             // so don't animate it here either.
             return anim;
diff --git a/quickstep/src/com/android/quickstep/views/RecentsView.java b/quickstep/src/com/android/quickstep/views/RecentsView.java
index 646ff6f..814d02d 100644
--- a/quickstep/src/com/android/quickstep/views/RecentsView.java
+++ b/quickstep/src/com/android/quickstep/views/RecentsView.java
@@ -277,7 +277,7 @@
                 .getDimensionPixelSize(R.dimen.recents_fast_fling_velocity);
         mActivity = (T) BaseActivity.fromContext(context);
         mQuickScrubController = new QuickScrubController(mActivity, this);
-        mModel = RecentsModel.getInstance(context);
+        mModel = RecentsModel.INSTANCE.get(context);
 
         mClearAllButton = (ClearAllButton) LayoutInflater.from(context)
                 .inflate(R.layout.overview_clear_all_button, this, false);
@@ -415,7 +415,7 @@
             case MotionEvent.ACTION_DOWN:
                 // Touch down anywhere but the deadzone around the visible clear all button and
                 // between the task views will start home on touch up
-                if (mTouchState == TOUCH_STATE_REST) {
+                if (!isHandlingTouch()) {
                     updateDeadZoneRects();
                     final boolean clearAllButtonDeadZoneConsumed = mClearAllButton.getAlpha() == 1
                             && mClearAllButtonDeadZoneRect.contains(x, y);
@@ -560,7 +560,7 @@
         boolean scrolling = super.computeScrollHelper();
         boolean isFlingingFast = false;
         updateCurveProperties();
-        if (scrolling || (mTouchState == TOUCH_STATE_SCROLLING)) {
+        if (scrolling || isHandlingTouch()) {
             if (scrolling) {
                 // Check if we are flinging quickly to disable high res thumbnail loading
                 isFlingingFast = mScroller.getCurrVelocity() > mFastFlingVelocity;
diff --git a/src/com/android/launcher3/AbstractFloatingView.java b/src/com/android/launcher3/AbstractFloatingView.java
index 3223837..e58e73d 100644
--- a/src/com/android/launcher3/AbstractFloatingView.java
+++ b/src/com/android/launcher3/AbstractFloatingView.java
@@ -69,9 +69,9 @@
     public static final int TYPE_DISCOVERY_BOUNCE = 1 << 6;
 
     // Popups related to quickstep UI
-    public static final int TYPE_QUICKSTEP_PREVIEW = 1 << 6;
-    public static final int TYPE_TASK_MENU = 1 << 7;
-    public static final int TYPE_OPTIONS_POPUP = 1 << 8;
+    public static final int TYPE_QUICKSTEP_PREVIEW = 1 << 7;
+    public static final int TYPE_TASK_MENU = 1 << 8;
+    public static final int TYPE_OPTIONS_POPUP = 1 << 9;
 
     public static final int TYPE_ALL = TYPE_FOLDER | TYPE_ACTION_POPUP
             | TYPE_WIDGETS_BOTTOM_SHEET | TYPE_WIDGET_RESIZE_FRAME | TYPE_WIDGETS_FULL_SHEET
diff --git a/src/com/android/launcher3/Launcher.java b/src/com/android/launcher3/Launcher.java
index 408ee2e..a545122 100644
--- a/src/com/android/launcher3/Launcher.java
+++ b/src/com/android/launcher3/Launcher.java
@@ -40,7 +40,6 @@
 import android.content.BroadcastReceiver;
 import android.content.ComponentCallbacks2;
 import android.content.Context;
-import android.content.ContextWrapper;
 import android.content.Intent;
 import android.content.IntentFilter;
 import android.content.IntentSender;
@@ -1247,7 +1246,7 @@
                     mAppsView.reset(isStarted() /* animate */);
                 }
 
-                if (shouldMoveToDefaultScreen && !mWorkspace.isTouchActive()) {
+                if (shouldMoveToDefaultScreen && !mWorkspace.isHandlingTouch()) {
                     mWorkspace.post(mWorkspace::moveToDefaultScreen);
                 }
             }
diff --git a/src/com/android/launcher3/PagedView.java b/src/com/android/launcher3/PagedView.java
index db5dc66..c81f679 100644
--- a/src/com/android/launcher3/PagedView.java
+++ b/src/com/android/launcher3/PagedView.java
@@ -63,7 +63,6 @@
     protected static final ComputePageScrollsLogic SIMPLE_SCROLL_LOGIC = (v) -> v.getVisibility() != GONE;
 
     public static final int PAGE_SNAP_ANIMATION_DURATION = 750;
-    public static final int SLOW_PAGE_SNAP_ANIMATION_DURATION = 950;
 
     // OverScroll constants
     private final static int OVERSCROLL_PAGE_SNAP_ANIMATION_DURATION = 270;
@@ -109,13 +108,7 @@
     private float mTotalMotionX;
 
     protected int[] mPageScrolls;
-
-    protected final static int TOUCH_STATE_REST = 0;
-    protected final static int TOUCH_STATE_SCROLLING = 1;
-    protected final static int TOUCH_STATE_PREV_PAGE = 2;
-    protected final static int TOUCH_STATE_NEXT_PAGE = 3;
-
-    protected int mTouchState = TOUCH_STATE_REST;
+    private boolean mIsBeingDragged;
 
     protected int mTouchSlop;
     private int mMaximumVelocity;
@@ -451,7 +444,7 @@
 
             // We don't want to trigger a page end moving unless the page has settled
             // and the user has stopped scrolling
-            if (mTouchState == TOUCH_STATE_REST) {
+            if (!mIsBeingDragged) {
                 pageEndTransition();
             }
 
@@ -812,9 +805,9 @@
     }
 
     /** Returns whether x and y originated within the buffered viewport */
-    private boolean isTouchPointInViewportWithBuffer(int x, int y) {
+    private boolean isTouchPointInViewportWithBuffer(float x, float y) {
         sTmpRect.set(-getMeasuredWidth() / 2, 0, 3 * getMeasuredWidth() / 2, getMeasuredHeight());
-        return sTmpRect.contains(x, y);
+        return sTmpRect.contains((int) x, (int) y);
     }
 
     @Override
@@ -835,8 +828,7 @@
          * motion.
          */
         final int action = ev.getAction();
-        if ((action == MotionEvent.ACTION_MOVE) &&
-                (mTouchState == TOUCH_STATE_SCROLLING)) {
+        if ((action == MotionEvent.ACTION_MOVE) && mIsBeingDragged) {
             return true;
         }
 
@@ -877,17 +869,13 @@
                 final boolean finishedScrolling = (mScroller.isFinished() || xDist < mTouchSlop / 3);
 
                 if (finishedScrolling) {
-                    mTouchState = TOUCH_STATE_REST;
+                    mIsBeingDragged = false;
                     if (!mScroller.isFinished() && !mFreeScroll) {
                         setCurrentPage(getNextPage());
                         pageEndTransition();
                     }
                 } else {
-                    if (isTouchPointInViewportWithBuffer((int) mDownMotionX, (int) mDownMotionY)) {
-                        mTouchState = TOUCH_STATE_SCROLLING;
-                    } else {
-                        mTouchState = TOUCH_STATE_REST;
-                    }
+                    mIsBeingDragged = isTouchPointInViewportWithBuffer(mDownMotionX, mDownMotionY);
                 }
 
                 break;
@@ -908,11 +896,11 @@
          * The only time we want to intercept motion events is if we are in the
          * drag mode.
          */
-        return mTouchState != TOUCH_STATE_REST;
+        return mIsBeingDragged;
     }
 
     public boolean isHandlingTouch() {
-        return mTouchState != TOUCH_STATE_REST;
+        return mIsBeingDragged;
     }
 
     protected void determineScrollingStart(MotionEvent ev) {
@@ -931,7 +919,7 @@
         // Disallow scrolling if we started the gesture from outside the viewport
         final float x = ev.getX(pointerIndex);
         final float y = ev.getY(pointerIndex);
-        if (!isTouchPointInViewportWithBuffer((int) x, (int) y)) return;
+        if (!isTouchPointInViewportWithBuffer(x, y)) return;
 
         final int xDiff = (int) Math.abs(x - mLastMotionX);
 
@@ -940,7 +928,7 @@
 
         if (xMoved) {
             // Scroll if the user moved far enough along the X axis
-            mTouchState = TOUCH_STATE_SCROLLING;
+            mIsBeingDragged = true;
             mTotalMotionX += Math.abs(mLastMotionX - x);
             mLastMotionX = x;
             mLastMotionXRemainder = 0;
@@ -1077,14 +1065,14 @@
             mTotalMotionX = 0;
             mActivePointerId = ev.getPointerId(0);
 
-            if (mTouchState == TOUCH_STATE_SCROLLING) {
+            if (mIsBeingDragged) {
                 onScrollInteractionBegin();
                 pageBeginTransition();
             }
             break;
 
         case MotionEvent.ACTION_MOVE:
-            if (mTouchState == TOUCH_STATE_SCROLLING) {
+            if (mIsBeingDragged) {
                 // Scroll to follow the motion event
                 final int pointerIndex = ev.findPointerIndex(mActivePointerId);
 
@@ -1111,7 +1099,7 @@
             break;
 
         case MotionEvent.ACTION_UP:
-            if (mTouchState == TOUCH_STATE_SCROLLING) {
+            if (mIsBeingDragged) {
                 final int activePointerId = mActivePointerId;
                 final int pointerIndex = ev.findPointerIndex(activePointerId);
                 final float x = ev.getX(pointerIndex);
@@ -1193,26 +1181,6 @@
                     invalidate();
                 }
                 onScrollInteractionEnd();
-            } else if (mTouchState == TOUCH_STATE_PREV_PAGE) {
-                // at this point we have not moved beyond the touch slop
-                // (otherwise mTouchState would be TOUCH_STATE_SCROLLING), so
-                // we can just page
-                int nextPage = Math.max(0, mCurrentPage - 1);
-                if (nextPage != mCurrentPage) {
-                    snapToPage(nextPage);
-                } else {
-                    snapToDestination();
-                }
-            } else if (mTouchState == TOUCH_STATE_NEXT_PAGE) {
-                // at this point we have not moved beyond the touch slop
-                // (otherwise mTouchState would be TOUCH_STATE_SCROLLING), so
-                // we can just page
-                int nextPage = Math.min(getChildCount() - 1, mCurrentPage + 1);
-                if (nextPage != mCurrentPage) {
-                    snapToPage(nextPage);
-                } else {
-                    snapToDestination();
-                }
             }
 
             // End any intermediate reordering states
@@ -1220,7 +1188,7 @@
             break;
 
         case MotionEvent.ACTION_CANCEL:
-            if (mTouchState == TOUCH_STATE_SCROLLING) {
+            if (mIsBeingDragged) {
                 snapToDestination();
                 onScrollInteractionEnd();
             }
@@ -1242,7 +1210,7 @@
 
     private void resetTouchState() {
         releaseVelocityTracker();
-        mTouchState = TOUCH_STATE_REST;
+        mIsBeingDragged = false;
         mActivePointerId = INVALID_POINTER;
     }
 
diff --git a/src/com/android/launcher3/Workspace.java b/src/com/android/launcher3/Workspace.java
index f596882..28783fa 100644
--- a/src/com/android/launcher3/Workspace.java
+++ b/src/com/android/launcher3/Workspace.java
@@ -474,10 +474,6 @@
         super.onViewAdded(child);
     }
 
-    public boolean isTouchActive() {
-        return mTouchState != TOUCH_STATE_REST;
-    }
-
     /**
      * Initializes and binds the first page
      * @param qsb an existing qsb to recycle or null.
diff --git a/src/com/android/launcher3/compat/AccessibilityManagerCompat.java b/src/com/android/launcher3/compat/AccessibilityManagerCompat.java
index 32fb533..3b0226e 100644
--- a/src/com/android/launcher3/compat/AccessibilityManagerCompat.java
+++ b/src/com/android/launcher3/compat/AccessibilityManagerCompat.java
@@ -16,7 +16,6 @@
 
 package com.android.launcher3.compat;
 
-import android.accessibilityservice.AccessibilityServiceInfo;
 import android.content.Context;
 import android.os.Bundle;
 import android.view.View;
@@ -78,14 +77,8 @@
         // If not running in a test harness, don't participate in test exchanges.
         if (!Utilities.IS_RUNNING_IN_TEST_HARNESS) return null;
 
-        // Additional safety check: when running under UI Automation, accessibility is enabled,
-        // but the list of accessibility services is empty. Return null if this is not the case.
         final AccessibilityManager accessibilityManager = getManager(context);
-        if (!accessibilityManager.isEnabled() ||
-                accessibilityManager.getEnabledAccessibilityServiceList(
-                        AccessibilityServiceInfo.FEEDBACK_ALL_MASK).size() > 0) {
-            return null;
-        }
+        if (!accessibilityManager.isEnabled()) return null;
 
         return accessibilityManager;
     }
diff --git a/src/com/android/launcher3/touch/WorkspaceTouchListener.java b/src/com/android/launcher3/touch/WorkspaceTouchListener.java
index f59f14e..6688927 100644
--- a/src/com/android/launcher3/touch/WorkspaceTouchListener.java
+++ b/src/com/android/launcher3/touch/WorkspaceTouchListener.java
@@ -125,7 +125,7 @@
         }
 
         if (action == ACTION_UP || action == ACTION_POINTER_UP) {
-            if (!mWorkspace.isTouchActive()) {
+            if (!mWorkspace.isHandlingTouch()) {
                 final CellLayout currentPage =
                         (CellLayout) mWorkspace.getChildAt(mWorkspace.getCurrentPage());
                 if (currentPage != null) {