Merging ub-launcher3-qt-dev, build 5691374

Test: Manual

Bug:115582915 P2 [Testing] Make all launcher tests gesture-stable
Bug:121280703 P2 Finish implementation of PortraitLandscape annotation for tests
Bug:124524897 P2 Enable some tests in OOP mode
Bug:129158983 P1 Badge bubbles with app icon; use launcher lib for icon, dot, badge rendering
Bug:131116002 P2 Convert tests to TAPL and enable them
Bug:131356741 P1 use transferFocus to implement SWIPE DOWN on homescreen to open noti shade
Bug:131360075 P1 [Gesture Nav] Polish/finish landscape
Bug:132309376 P1 Launcher held ION buffers after clearing all apps in Recent Apps
Bug:132455160 P1 [Gesture Nav] Home to Overview Transition Improvement
Bug:132461400 P1 Fatal exceptions in Launcher3
Bug:132811175 P1 Jump cut if you quickly open an app after going home
Bug:133450867 P1 App window draws outside of icon shape during app to home transition
Bug:133765434 P1 [Flaky test] Launching task didn't open a new window
Bug:133867119 P2 Lab-only flake: want to switch from workspace to all apps; Swipe failed to receive an event for the swipe end
Bug:134609899 P1 Overscrolling on all apps leads to a wrong current task
Bug:135011207 P0 Corner Invocation / Inconsistent - F/C
Bug:135150619 P1 [Launcher] Trigger heapdump on RSS HWM measurements
Bug:135150767 P4 [Launcher] Test reduced resolution snapshots
Bug:135161289 P2 KB3 on qt-dev can't pick Launcher3GoIconRecents from vendor Makefile
Bug:135222111 P1 Major issues with hotseat when predictions are disabled
Bug:135287203 P1 Overview crashes on rotation
Bug:135299165 P1 Configuration changes might result in Launcher ending up in a corrupt state
Bug:135472635 P2 Bad overriden class: java.lang.ClassNotFoundException: com.android.quickstep.QuickstepProcessInitializer
Bug:135473571 P0 Pixel launcher keeps stopping in SuW
Bug:135571566 P4 Search bar is above icons. Even opening and closing launcher does not help
Bug:135686388 P1 Quickswitch sometimes jump
Bug:135687556 P1 Increase assistant gesture touch region on new devices
Bug:135766310 P2 Concerns over config changes during state transitions #2
Bug:135769778 P1 "System navigation changed" notification is shown during P4 setup

17 files changed, 560 insertions, 211 deletions

diff --git a/quickstep/recents_ui_overrides/src/com/android/quickstep/LauncherActivityControllerHelper.java b/quickstep/recents_ui_overrides/src/com/android/quickstep/LauncherActivityControllerHelper.java
index 0d06c19ab..07c049642 100644
--- a/quickstep/recents_ui_overrides/src/com/android/quickstep/LauncherActivityControllerHelper.java
+++ b/quickstep/recents_ui_overrides/src/com/android/quickstep/LauncherActivityControllerHelper.java
@@ -18,12 +18,13 @@ package com.android.quickstep;
 import static android.view.View.TRANSLATION_Y;
 
 import static com.android.launcher3.LauncherAnimUtils.SCALE_PROPERTY;
+import static com.android.launcher3.LauncherAppTransitionManagerImpl.INDEX_RECENTS_FADE_ANIM;
+import static com.android.launcher3.LauncherAppTransitionManagerImpl.INDEX_RECENTS_TRANSLATE_X_ANIM;
+import static com.android.launcher3.LauncherAppTransitionManagerImpl.INDEX_SHELF_ANIM;
 import static com.android.launcher3.LauncherState.BACKGROUND_APP;
 import static com.android.launcher3.LauncherState.NORMAL;
 import static com.android.launcher3.LauncherState.OVERVIEW;
 import static com.android.launcher3.LauncherStateManager.ANIM_ALL;
-import static com.android.launcher3.allapps.AllAppsTransitionController.SPRING_DAMPING_RATIO;
-import static com.android.launcher3.allapps.AllAppsTransitionController.SPRING_STIFFNESS;
 import static com.android.launcher3.anim.Interpolators.ACCEL_2;
 import static com.android.launcher3.anim.Interpolators.ACCEL_DEACCEL;
 import static com.android.launcher3.anim.Interpolators.INSTANT;
@@ -31,7 +32,6 @@ import static com.android.launcher3.anim.Interpolators.LINEAR;
 import static com.android.quickstep.WindowTransformSwipeHandler.RECENTS_ATTACH_DURATION;
 
 import android.animation.Animator;
-import android.animation.AnimatorListenerAdapter;
 import android.animation.AnimatorSet;
 import android.animation.ObjectAnimator;
 import android.animation.TimeInterpolator;
@@ -48,8 +48,6 @@ import android.view.animation.Interpolator;
 import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
 import androidx.annotation.UiThread;
-import androidx.dynamicanimation.animation.SpringAnimation;
-import androidx.dynamicanimation.animation.SpringForce;
 
 import com.android.launcher3.DeviceProfile;
 import com.android.launcher3.Launcher;
@@ -60,13 +58,14 @@ import com.android.launcher3.LauncherStateManager;
 import com.android.launcher3.allapps.DiscoveryBounce;
 import com.android.launcher3.anim.AnimatorPlaybackController;
 import com.android.launcher3.anim.AnimatorSetBuilder;
-import com.android.launcher3.anim.SpringObjectAnimator;
 import com.android.launcher3.testing.TestProtocol;
+import com.android.launcher3.uioverrides.states.OverviewState;
 import com.android.launcher3.userevent.nano.LauncherLogProto;
 import com.android.launcher3.views.FloatingIconView;
 import com.android.quickstep.SysUINavigationMode.Mode;
 import com.android.quickstep.util.LayoutUtils;
 import com.android.quickstep.util.StaggeredWorkspaceAnim;
+import com.android.quickstep.views.LauncherRecentsView;
 import com.android.quickstep.views.RecentsView;
 import com.android.quickstep.views.TaskView;
 import com.android.systemui.shared.system.RemoteAnimationTargetCompat;
@@ -216,10 +215,7 @@ public final class LauncherActivityControllerHelper implements ActivityControlHe
         activity.getAppsView().getContentView().setVisibility(View.GONE);
 
         return new AnimationFactory() {
-            private Animator mShelfAnim;
             private ShelfAnimState mShelfState;
-            private Animator mAttachToWindowFadeAnim;
-            private SpringAnimation mAttachToWindowTranslationXAnim;
             private boolean mIsAttachedToWindow;
 
             @Override
@@ -252,31 +248,26 @@ public final class LauncherActivityControllerHelper implements ActivityControlHe
                     return;
                 }
                 mShelfState = shelfState;
-                if (mShelfAnim != null) {
-                    mShelfAnim.cancel();
-                }
+                activity.getStateManager().cancelStateElementAnimation(INDEX_SHELF_ANIM);
                 if (mShelfState == ShelfAnimState.CANCEL) {
                     return;
                 }
                 float shelfHiddenProgress = BACKGROUND_APP.getVerticalProgress(activity);
                 float shelfOverviewProgress = OVERVIEW.getVerticalProgress(activity);
+                // Peek based on default overview progress so we can see hotseat if we're showing
+                // that instead of predictions in overview.
+                float defaultOverviewProgress = OverviewState.getDefaultVerticalProgress(activity);
                 float shelfPeekingProgress = shelfHiddenProgress
-                        - (shelfHiddenProgress - shelfOverviewProgress) * 0.25f;
+                        - (shelfHiddenProgress - defaultOverviewProgress) * 0.25f;
                 float toProgress = mShelfState == ShelfAnimState.HIDE
                         ? shelfHiddenProgress
                         : mShelfState == ShelfAnimState.PEEK
                                 ? shelfPeekingProgress
                                 : shelfOverviewProgress;
-                mShelfAnim = createShelfAnim(activity, toProgress);
-                mShelfAnim.addListener(new AnimatorListenerAdapter() {
-                    @Override
-                    public void onAnimationEnd(Animator animation) {
-                        mShelfAnim = null;
-                    }
-                });
-                mShelfAnim.setInterpolator(interpolator);
-                mShelfAnim.setDuration(duration);
-                mShelfAnim.start();
+                Animator shelfAnim = activity.getStateManager()
+                        .createStateElementAnimation(INDEX_SHELF_ANIM, toProgress);
+                shelfAnim.setInterpolator(interpolator);
+                shelfAnim.setDuration(duration).start();
             }
 
             @Override
@@ -285,12 +276,10 @@ public final class LauncherActivityControllerHelper implements ActivityControlHe
                     return;
                 }
                 mIsAttachedToWindow = attached;
-                if (mAttachToWindowFadeAnim != null) {
-                    mAttachToWindowFadeAnim.cancel();
-                }
-                RecentsView recentsView = activity.getOverviewPanel();
-                mAttachToWindowFadeAnim = ObjectAnimator.ofFloat(recentsView,
-                        RecentsView.CONTENT_ALPHA, attached ? 1 : 0);
+                LauncherRecentsView recentsView = activity.getOverviewPanel();
+                Animator fadeAnim = activity.getStateManager()
+                        .createStateElementAnimation(
+                        INDEX_RECENTS_FADE_ANIM, attached ? 1 : 0);
 
                 int runningTaskIndex = recentsView.getRunningTaskIndex();
                 if (runningTaskIndex == 0) {
@@ -312,33 +301,28 @@ public final class LauncherActivityControllerHelper implements ActivityControlHe
 
                     float fromTranslationX = attached ? offscreenX - scrollOffsetX : 0;
                     float toTranslationX = attached ? 0 : offscreenX - scrollOffsetX;
-                    if (mAttachToWindowTranslationXAnim == null) {
-                        mAttachToWindowTranslationXAnim = new SpringAnimation(recentsView,
-                                SpringAnimation.TRANSLATION_X).setSpring(new SpringForce()
-                                .setDampingRatio(0.8f)
-                                .setStiffness(250));
-                    }
+                    activity.getStateManager()
+                            .cancelStateElementAnimation(INDEX_RECENTS_TRANSLATE_X_ANIM);
+
                     if (!recentsView.isShown() && animate) {
                         recentsView.setTranslationX(fromTranslationX);
-                        mAttachToWindowTranslationXAnim.setStartValue(fromTranslationX);
+                    } else {
+                        fromTranslationX = recentsView.getTranslationX();
                     }
-                    mAttachToWindowTranslationXAnim.animateToFinalPosition(toTranslationX);
-                    if (!animate && mAttachToWindowTranslationXAnim.canSkipToEnd()) {
-                        mAttachToWindowTranslationXAnim.skipToEnd();
+
+                    if (!animate) {
+                        recentsView.setTranslationX(toTranslationX);
+                    } else {
+                        activity.getStateManager().createStateElementAnimation(
+                                INDEX_RECENTS_TRANSLATE_X_ANIM,
+                                fromTranslationX, toTranslationX).start();
                     }
 
-                    mAttachToWindowFadeAnim.setInterpolator(attached ? INSTANT : ACCEL_2);
+                    fadeAnim.setInterpolator(attached ? INSTANT : ACCEL_2);
                 } else {
-                    mAttachToWindowFadeAnim.setInterpolator(ACCEL_DEACCEL);
+                    fadeAnim.setInterpolator(ACCEL_DEACCEL);
                 }
-                mAttachToWindowFadeAnim.addListener(new AnimatorListenerAdapter() {
-                    @Override
-                    public void onAnimationEnd(Animator animation) {
-                        mAttachToWindowFadeAnim = null;
-                    }
-                });
-                mAttachToWindowFadeAnim.setDuration(animate ? RECENTS_ATTACH_DURATION : 0);
-                mAttachToWindowFadeAnim.start();
+                fadeAnim.setDuration(animate ? RECENTS_ATTACH_DURATION : 0).start();
             }
         };
     }
@@ -354,10 +338,10 @@ public final class LauncherActivityControllerHelper implements ActivityControlHe
         if (!activity.getDeviceProfile().isVerticalBarLayout()
                 && SysUINavigationMode.getMode(activity) != Mode.NO_BUTTON) {
             // Don't animate the shelf when the mode is NO_BUTTON, because we update it atomically.
-            Animator shiftAnim = createShelfAnim(activity,
+            anim.play(activity.getStateManager().createStateElementAnimation(
+                    INDEX_SHELF_ANIM,
                     fromState.getVerticalProgress(activity),
-                    endState.getVerticalProgress(activity));
-            anim.play(shiftAnim);
+                    endState.getVerticalProgress(activity)));
         }
         playScaleDownAnim(anim, activity, fromState, endState);
 
@@ -375,13 +359,6 @@ public final class LauncherActivityControllerHelper implements ActivityControlHe
         callback.accept(controller);
     }
 
-    private Animator createShelfAnim(Launcher activity, float ... progressValues) {
-        Animator shiftAnim = new SpringObjectAnimator<>(activity.getAllAppsController(),
-                "allAppsSpringFromACH", activity.getAllAppsController().getShiftRange(),
-                SPRING_DAMPING_RATIO, SPRING_STIFFNESS, progressValues);
-        return shiftAnim;
-    }
-
     /**
      * Scale down recents from the center task being full screen to being in overview.
      */
diff --git a/quickstep/recents_ui_overrides/src/com/android/quickstep/QuickstepProcessInitializer.java b/quickstep/recents_ui_overrides/src/com/android/quickstep/QuickstepProcessInitializer.java
deleted file mode 100644
index befeee0db..000000000
--- a/quickstep/recents_ui_overrides/src/com/android/quickstep/QuickstepProcessInitializer.java
+++ /dev/null
@@ -1,54 +0,0 @@
-/*
- * Copyright (C) 2018 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package com.android.quickstep;
-
-import android.content.Context;
-import android.content.pm.PackageManager;
-import android.os.UserManager;
-import android.util.Log;
-
-import com.android.launcher3.BuildConfig;
-import com.android.launcher3.MainProcessInitializer;
-import com.android.systemui.shared.system.ThreadedRendererCompat;
-
-@SuppressWarnings("unused")
-public class QuickstepProcessInitializer extends MainProcessInitializer {
-
-    private static final String TAG = "QuickstepProcessInitializer";
-
-    public QuickstepProcessInitializer(Context context) { }
-
-    @Override
-    protected void init(Context context) {
-        // Workaround for b/120550382, an external app can cause the launcher process to start for
-        // a work profile user which we do not support. Disable the application immediately when we
-        // detect this to be the case.
-        UserManager um = (UserManager) context.getSystemService(Context.USER_SERVICE);
-        if (um.isManagedProfile()) {
-            PackageManager pm = context.getPackageManager();
-            pm.setApplicationEnabledSetting(context.getPackageName(),
-                    PackageManager.COMPONENT_ENABLED_STATE_DISABLED, 0 /* flags */);
-            Log.w(TAG, "Disabling " + BuildConfig.APPLICATION_ID
-                    + ", unable to run in a managed profile");
-            return;
-        }
-
-        super.init(context);
-
-        // Elevate GPU priority for Quickstep and Remote animations.
-        ThreadedRendererCompat.setContextPriority(ThreadedRendererCompat.EGL_CONTEXT_PRIORITY_HIGH_IMG);
-    }
-}
diff --git a/quickstep/recents_ui_overrides/src/com/android/quickstep/RecentsAnimationWrapper.java b/quickstep/recents_ui_overrides/src/com/android/quickstep/RecentsAnimationWrapper.java
index 5eecf1713..ddd28a350 100644
--- a/quickstep/recents_ui_overrides/src/com/android/quickstep/RecentsAnimationWrapper.java
+++ b/quickstep/recents_ui_overrides/src/com/android/quickstep/RecentsAnimationWrapper.java
@@ -19,6 +19,8 @@ import static android.view.MotionEvent.ACTION_CANCEL;
 import static android.view.MotionEvent.ACTION_DOWN;
 import static android.view.MotionEvent.ACTION_UP;
 
+import static com.android.launcher3.Utilities.FLAG_NO_GESTURES;
+
 import android.view.InputEvent;
 import android.view.KeyEvent;
 import android.view.MotionEvent;
@@ -182,7 +184,10 @@ public class RecentsAnimationWrapper {
             }
         }
         if (mInputConsumer != null) {
+            int flags = ev.getEdgeFlags();
+            ev.setEdgeFlags(flags | FLAG_NO_GESTURES);
             mInputConsumer.onMotionEvent(ev);
+            ev.setEdgeFlags(flags);
         }
 
         return true;
diff --git a/quickstep/recents_ui_overrides/src/com/android/quickstep/SwipeSharedState.java b/quickstep/recents_ui_overrides/src/com/android/quickstep/SwipeSharedState.java
index 6689ce3d7..c55f656df 100644
--- a/quickstep/recents_ui_overrides/src/com/android/quickstep/SwipeSharedState.java
+++ b/quickstep/recents_ui_overrides/src/com/android/quickstep/SwipeSharedState.java
@@ -72,13 +72,15 @@ public class SwipeSharedState implements SwipeAnimationListener {
         mLastAnimationRunning = false;
     }
 
-    private void clearListenerState() {
+    private void clearListenerState(boolean finishAnimation) {
         if (mRecentsAnimationListener != null) {
             mRecentsAnimationListener.removeListener(this);
             mRecentsAnimationListener.cancelListener();
             if (mLastAnimationRunning && mLastAnimationTarget != null) {
                 Utilities.postAsyncCallback(MAIN_THREAD_EXECUTOR.getHandler(),
-                        mLastAnimationTarget::cancelAnimation);
+                        finishAnimation
+                                ? mLastAnimationTarget::finishAnimation
+                                : mLastAnimationTarget::cancelAnimation);
                 mLastAnimationTarget = null;
             }
         }
@@ -106,7 +108,7 @@ public class SwipeSharedState implements SwipeAnimationListener {
             }
         }
 
-        clearListenerState();
+        clearListenerState(false /* finishAnimation */);
         boolean shouldMinimiseSplitScreen = mOverviewComponentObserver == null ? false
                 : mOverviewComponentObserver.getActivityControlHelper().shouldMinimizeSplitScreen();
         mRecentsAnimationListener = new RecentsAnimationListenerSet(
@@ -138,8 +140,8 @@ public class SwipeSharedState implements SwipeAnimationListener {
         mLastAnimationTarget = mLastAnimationTarget.cloneWithoutTargets();
     }
 
-    public void clearAllState() {
-        clearListenerState();
+    public void clearAllState(boolean finishAnimation) {
+        clearListenerState(finishAnimation);
         canGestureBeContinued = false;
         recentsAnimationFinishInterrupted = false;
         nextRunningTaskId = -1;
diff --git a/quickstep/recents_ui_overrides/src/com/android/quickstep/TaskViewUtils.java b/quickstep/recents_ui_overrides/src/com/android/quickstep/TaskViewUtils.java
index d0ea73a6f..6897c1e7d 100644
--- a/quickstep/recents_ui_overrides/src/com/android/quickstep/TaskViewUtils.java
+++ b/quickstep/recents_ui_overrides/src/com/android/quickstep/TaskViewUtils.java
@@ -29,8 +29,6 @@ import android.view.View;
 import com.android.launcher3.BaseActivity;
 import com.android.launcher3.BaseDraggingActivity;
 import com.android.launcher3.ItemInfo;
-import com.android.launcher3.Launcher;
-import com.android.launcher3.LauncherAppState;
 import com.android.launcher3.Utilities;
 import com.android.quickstep.util.ClipAnimationHelper;
 import com.android.quickstep.util.MultiValueUpdateListener;
@@ -123,6 +121,7 @@ public final class TaskViewUtils {
                 new RemoteAnimationTargetSet(targets, MODE_OPENING);
         targetSet.addDependentTransactionApplier(applier);
 
+        final RecentsView recentsView = v.getRecentsView();
         final ValueAnimator appAnimator = ValueAnimator.ofFloat(0, 1);
         appAnimator.setInterpolator(TOUCH_RESPONSE_INTERPOLATOR);
         appAnimator.addUpdateListener(new MultiValueUpdateListener() {
@@ -153,7 +152,10 @@ public final class TaskViewUtils {
                 // TODO: Take into account the current fullscreen progress for animating the insets
                 params.setProgress(1 - percent);
                 RectF taskBounds = inOutHelper.applyTransform(targetSet, params);
-                if (!skipViewChanges) {
+                int taskIndex = recentsView.indexOfChild(v);
+                int centerTaskIndex = recentsView.getCurrentPage();
+                boolean parallaxCenterAndAdjacentTask = taskIndex != centerTaskIndex;
+                if (!skipViewChanges && parallaxCenterAndAdjacentTask) {
                     float scale = taskBounds.width() / mThumbnailRect.width();
                     v.setScaleX(scale);
                     v.setScaleY(scale);
diff --git a/quickstep/recents_ui_overrides/src/com/android/quickstep/TouchInteractionService.java b/quickstep/recents_ui_overrides/src/com/android/quickstep/TouchInteractionService.java
index 769d207ab..53da0f92d 100644
--- a/quickstep/recents_ui_overrides/src/com/android/quickstep/TouchInteractionService.java
+++ b/quickstep/recents_ui_overrides/src/com/android/quickstep/TouchInteractionService.java
@@ -81,6 +81,7 @@ import com.android.quickstep.SysUINavigationMode.NavigationModeChangeListener;
 import com.android.quickstep.inputconsumers.AccessibilityInputConsumer;
 import com.android.quickstep.inputconsumers.AssistantTouchConsumer;
 import com.android.quickstep.inputconsumers.DeviceLockedInputConsumer;
+import com.android.quickstep.inputconsumers.FallbackNoButtonInputConsumer;
 import com.android.quickstep.inputconsumers.InputConsumer;
 import com.android.quickstep.inputconsumers.OtherActivityInputConsumer;
 import com.android.quickstep.inputconsumers.OverviewInputConsumer;
@@ -224,14 +225,18 @@ public class TouchInteractionService extends Service implements
     };
 
     private static boolean sConnected = false;
+    private static final SwipeSharedState sSwipeSharedState = new SwipeSharedState();
 
     public static boolean isConnected() {
         return sConnected;
     }
 
-    private final SwipeSharedState mSwipeSharedState = new SwipeSharedState();
+    public static SwipeSharedState getSwipeSharedState() {
+        return sSwipeSharedState;
+    }
+
     private final InputConsumer mResetGestureInputConsumer =
-            new ResetGestureInputConsumer(mSwipeSharedState);
+            new ResetGestureInputConsumer(sSwipeSharedState);
 
     private ActivityManagerWrapper mAM;
     private RecentsModel mRecentsModel;
@@ -267,6 +272,9 @@ public class TouchInteractionService extends Service implements
     private Mode mMode = Mode.THREE_BUTTONS;
     private int mDefaultDisplayId;
     private final RectF mSwipeTouchRegion = new RectF();
+    private final RectF mAssistantLeftRegion = new RectF();
+    private final RectF mAssistantRightRegion = new RectF();
+
     private ComponentName mGestureBlockingActivity;
 
     private Region mExclusionRegion;
@@ -349,9 +357,25 @@ public class TouchInteractionService extends Service implements
         defaultDisplay.getRealSize(realSize);
         mSwipeTouchRegion.set(0, 0, realSize.x, realSize.y);
         if (mMode == Mode.NO_BUTTON) {
-            mSwipeTouchRegion.top = mSwipeTouchRegion.bottom -
-                    getNavbarSize(ResourceUtils.NAVBAR_BOTTOM_GESTURE_SIZE);
+            int touchHeight = getNavbarSize(ResourceUtils.NAVBAR_BOTTOM_GESTURE_SIZE);
+            mSwipeTouchRegion.top = mSwipeTouchRegion.bottom - touchHeight;
+
+            final int assistantWidth = getResources()
+                    .getDimensionPixelSize(R.dimen.gestures_assistant_width);
+            final float assistantHeight = Math.max(touchHeight,
+                    QuickStepContract.getWindowCornerRadius(getResources()));
+            mAssistantLeftRegion.bottom = mAssistantRightRegion.bottom = mSwipeTouchRegion.bottom;
+            mAssistantLeftRegion.top = mAssistantRightRegion.top =
+                    mSwipeTouchRegion.bottom - assistantHeight;
+
+            mAssistantLeftRegion.left = 0;
+            mAssistantLeftRegion.right = assistantWidth;
+
+            mAssistantRightRegion.right = mSwipeTouchRegion.right;
+            mAssistantRightRegion.left = mSwipeTouchRegion.right - assistantWidth;
         } else {
+            mAssistantLeftRegion.setEmpty();
+            mAssistantRightRegion.setEmpty();
             switch (defaultDisplay.getRotation()) {
                 case Surface.ROTATION_90:
                     mSwipeTouchRegion.left = mSwipeTouchRegion.right
@@ -416,7 +440,7 @@ public class TouchInteractionService extends Service implements
         mInputConsumer = InputConsumerController.getRecentsAnimationInputConsumer();
         mIsUserUnlocked = true;
 
-        mSwipeSharedState.setOverviewComponentObserver(mOverviewComponentObserver);
+        sSwipeSharedState.setOverviewComponentObserver(mOverviewComponentObserver);
         mInputConsumer.registerInputConsumer();
         onSystemUiProxySet();
         onSystemUiFlagsChanged();
@@ -491,6 +515,15 @@ public class TouchInteractionService extends Service implements
                 mConsumer = newConsumer(useSharedState, event);
                 TOUCH_INTERACTION_LOG.addLog("setInputConsumer", mConsumer.getType());
                 mUncheckedConsumer = mConsumer;
+            } else if (mIsUserUnlocked && mMode == Mode.NO_BUTTON
+                    && canTriggerAssistantAction(event)) {
+                // Do not change mConsumer as if there is an ongoing QuickSwitch gesture, we should
+                // not interrupt it. QuickSwitch assumes that interruption can only happen if the
+                // next gesture is also quick switch.
+                mUncheckedConsumer =
+                        new AssistantTouchConsumer(this, mISystemUiProxy,
+                                mOverviewComponentObserver.getActivityControlHelper(),
+                                InputConsumer.NO_OP, mInputMonitorCompat);
             } else {
                 mUncheckedConsumer = InputConsumer.NO_OP;
             }
@@ -505,6 +538,14 @@ public class TouchInteractionService extends Service implements
                         || (mSystemUiStateFlags & SYSUI_STATE_OVERVIEW_DISABLED) == 0);
     }
 
+    private boolean canTriggerAssistantAction(MotionEvent ev) {
+        return mAssistantAvailable
+                && !QuickStepContract.isAssistantGestureDisabled(mSystemUiStateFlags)
+                && (mAssistantLeftRegion.contains(ev.getX(), ev.getY()) ||
+                    mAssistantRightRegion.contains(ev.getX(), ev.getY()))
+                && !ActivityManagerWrapper.getInstance().isLockToAppActive();
+    }
+
     private InputConsumer newConsumer(boolean useSharedState, MotionEvent event) {
         boolean isInValidSystemUiState = validSystemUiFlags();
 
@@ -525,10 +566,7 @@ public class TouchInteractionService extends Service implements
         if (mMode == Mode.NO_BUTTON) {
             final ActivityControlHelper activityControl =
                     mOverviewComponentObserver.getActivityControlHelper();
-            if (mAssistantAvailable
-                    && !QuickStepContract.isAssistantGestureDisabled(mSystemUiStateFlags)
-                    && AssistantTouchConsumer.withinTouchRegion(this, event)
-                    && !ActivityManagerWrapper.getInstance().isLockToAppActive()) {
+            if (canTriggerAssistantAction(event)) {
                 base = new AssistantTouchConsumer(this, mISystemUiProxy, activityControl, base,
                         mInputMonitorCompat);
             }
@@ -555,7 +593,7 @@ public class TouchInteractionService extends Service implements
     private InputConsumer newBaseConsumer(boolean useSharedState, MotionEvent event) {
         final RunningTaskInfo runningTaskInfo = mAM.getRunningTask(0);
         if (!useSharedState) {
-            mSwipeSharedState.clearAllState();
+            sSwipeSharedState.clearAllState(false /* finishAnimation */);
         }
         if ((mSystemUiStateFlags & SYSUI_STATE_STATUS_BAR_KEYGUARD_SHOWING_OCCLUDED) != 0) {
             // This handles apps showing over the lockscreen (e.g. camera)
@@ -565,22 +603,26 @@ public class TouchInteractionService extends Service implements
         final ActivityControlHelper activityControl =
                 mOverviewComponentObserver.getActivityControlHelper();
 
-        if (runningTaskInfo == null && !mSwipeSharedState.goingToLauncher
-                && !mSwipeSharedState.recentsAnimationFinishInterrupted) {
+        if (runningTaskInfo == null && !sSwipeSharedState.goingToLauncher
+                && !sSwipeSharedState.recentsAnimationFinishInterrupted) {
             return mResetGestureInputConsumer;
-        } else if (mSwipeSharedState.recentsAnimationFinishInterrupted) {
+        } else if (sSwipeSharedState.recentsAnimationFinishInterrupted) {
             // If the finish animation was interrupted, then continue using the other activity input
             // consumer but with the next task as the running task
             RunningTaskInfo info = new ActivityManager.RunningTaskInfo();
-            info.id = mSwipeSharedState.nextRunningTaskId;
+            info.id = sSwipeSharedState.nextRunningTaskId;
             return createOtherActivityInputConsumer(event, info);
-        } else if (mSwipeSharedState.goingToLauncher || activityControl.isResumed()) {
+        } else if (sSwipeSharedState.goingToLauncher || activityControl.isResumed()) {
             return createOverviewInputConsumer(event);
         } else if (ENABLE_QUICKSTEP_LIVE_TILE.get() && activityControl.isInLiveTileMode()) {
             return createOverviewInputConsumer(event);
         } else if (mGestureBlockingActivity != null && runningTaskInfo != null
                 && mGestureBlockingActivity.equals(runningTaskInfo.topActivity)) {
             return mResetGestureInputConsumer;
+        } else if (mMode == Mode.NO_BUTTON && !mOverviewComponentObserver.isHomeAndOverviewSame()) {
+            return new FallbackNoButtonInputConsumer(this, activityControl,
+                    mInputMonitorCompat, sSwipeSharedState, mSwipeTouchRegion,
+                    mOverviewComponentObserver, disableHorizontalSwipe(event), runningTaskInfo);
         } else {
             return createOtherActivityInputConsumer(event, runningTaskInfo);
         }
@@ -602,13 +644,13 @@ public class TouchInteractionService extends Service implements
         return new OtherActivityInputConsumer(this, runningTaskInfo, mRecentsModel,
                 mOverviewComponentObserver.getOverviewIntent(), activityControl,
                 shouldDefer, mOverviewCallbacks, mInputConsumer, this::onConsumerInactive,
-                mSwipeSharedState, mInputMonitorCompat, mSwipeTouchRegion,
+                sSwipeSharedState, mInputMonitorCompat, mSwipeTouchRegion,
                 disableHorizontalSwipe(event));
     }
 
     private InputConsumer createDeviceLockedInputConsumer(RunningTaskInfo taskInfo) {
         if (mMode == Mode.NO_BUTTON && taskInfo != null) {
-            return new DeviceLockedInputConsumer(this, mSwipeSharedState, mInputMonitorCompat,
+            return new DeviceLockedInputConsumer(this, sSwipeSharedState, mInputMonitorCompat,
                     mSwipeTouchRegion, taskInfo.taskId);
         } else {
             return mResetGestureInputConsumer;
@@ -623,7 +665,7 @@ public class TouchInteractionService extends Service implements
             return mResetGestureInputConsumer;
         }
 
-        if (activity.getRootView().hasWindowFocus() || mSwipeSharedState.goingToLauncher) {
+        if (activity.getRootView().hasWindowFocus() || sSwipeSharedState.goingToLauncher) {
             return new OverviewInputConsumer(activity, mInputMonitorCompat,
                     false /* startingInActivityBounds */);
         } else {
@@ -670,7 +712,7 @@ public class TouchInteractionService extends Service implements
                     + mOverviewComponentObserver.getActivityControlHelper().isResumed());
             pw.println("  useSharedState=" + mConsumer.useSharedSwipeState());
             if (mConsumer.useSharedSwipeState()) {
-                mSwipeSharedState.dump("    ", pw);
+                sSwipeSharedState.dump("    ", pw);
             }
             pw.println("  mConsumer=" + mConsumer.getName());
             pw.println("FeatureFlags:");
diff --git a/quickstep/recents_ui_overrides/src/com/android/quickstep/inputconsumers/AssistantTouchConsumer.java b/quickstep/recents_ui_overrides/src/com/android/quickstep/inputconsumers/AssistantTouchConsumer.java
index 837423ace..38b5a137c 100644
--- a/quickstep/recents_ui_overrides/src/com/android/quickstep/inputconsumers/AssistantTouchConsumer.java
+++ b/quickstep/recents_ui_overrides/src/com/android/quickstep/inputconsumers/AssistantTouchConsumer.java
@@ -39,6 +39,8 @@ import android.os.Bundle;
 import android.os.RemoteException;
 import android.os.SystemClock;
 import android.util.Log;
+import android.view.GestureDetector;
+import android.view.GestureDetector.SimpleOnGestureListener;
 import android.view.HapticFeedbackConstants;
 import android.view.MotionEvent;
 import android.view.ViewConfiguration;
@@ -47,17 +49,14 @@ import com.android.launcher3.BaseDraggingActivity;
 import com.android.launcher3.R;
 import com.android.launcher3.anim.Interpolators;
 import com.android.launcher3.logging.UserEventDispatcher;
-import com.android.launcher3.touch.SwipeDetector;
 import com.android.quickstep.ActivityControlHelper;
 import com.android.systemui.shared.recents.ISystemUiProxy;
 import com.android.systemui.shared.system.InputMonitorCompat;
-import com.android.systemui.shared.system.QuickStepContract;
 
 /**
  * Touch consumer for handling events to launch assistant from launcher
  */
-public class AssistantTouchConsumer extends DelegateInputConsumer
-    implements SwipeDetector.Listener {
+public class AssistantTouchConsumer extends DelegateInputConsumer {
 
     private static final String TAG = "AssistantTouchConsumer";
     private static final long RETRACT_ANIMATION_DURATION_MS = 300;
@@ -68,7 +67,6 @@ public class AssistantTouchConsumer extends DelegateInputConsumer
     private static final int OPA_BUNDLE_TRIGGER_DIAG_SWIPE_GESTURE = 83;
     private static final String INVOCATION_TYPE_KEY = "invocation_type";
     private static final int INVOCATION_TYPE_GESTURE = 1;
-    private static final int INVOCATION_TYPE_FLING = 6;
 
     private final PointF mDownPos = new PointF();
     private final PointF mLastPos = new PointF();
@@ -90,7 +88,7 @@ public class AssistantTouchConsumer extends DelegateInputConsumer
     private final float mSquaredSlop;
     private final ISystemUiProxy mSysUiProxy;
     private final Context mContext;
-    private final SwipeDetector mSwipeDetector;
+    private final GestureDetector mGestureDetector;
 
     public AssistantTouchConsumer(Context context, ISystemUiProxy systemUiProxy,
             ActivityControlHelper activityControlHelper, InputConsumer delegate,
@@ -107,8 +105,8 @@ public class AssistantTouchConsumer extends DelegateInputConsumer
 
         mSquaredSlop = slop * slop;
         mActivityControlHelper = activityControlHelper;
-        mSwipeDetector = new SwipeDetector(mContext, this, SwipeDetector.VERTICAL);
-        mSwipeDetector.setDetectableScrollConditions(SwipeDetector.DIRECTION_POSITIVE, false);
+
+        mGestureDetector = new GestureDetector(context, new AssistantGestureListener());
     }
 
     @Override
@@ -119,7 +117,7 @@ public class AssistantTouchConsumer extends DelegateInputConsumer
     @Override
     public void onMotionEvent(MotionEvent ev) {
         // TODO add logging
-        mSwipeDetector.onTouchEvent(ev);
+        mGestureDetector.onTouchEvent(ev);
 
         switch (ev.getActionMasked()) {
             case ACTION_DOWN: {
@@ -171,13 +169,8 @@ public class AssistantTouchConsumer extends DelegateInputConsumer
                         mStartDragPos.set(mLastPos.x, mLastPos.y);
                         mDragTime = SystemClock.uptimeMillis();
 
-                        // Determine if angle is larger than threshold for assistant detection
-                        float angle = (float) Math.toDegrees(
-                            Math.atan2(mDownPos.y - mLastPos.y, mDownPos.x - mLastPos.x));
-                        mDirection = angle > 90 ? UPLEFT : UPRIGHT;
-                        angle = angle > 90 ? 180 - angle : angle;
-
-                        if (angle > mAngleThreshold && angle < 90) {
+                        if (isValidAssistantGestureAngle(
+                            mDownPos.x - mLastPos.x, mDownPos.y - mLastPos.y)) {
                             setActive(ev);
                         } else {
                             mState = STATE_DELEGATE_ACTIVE;
@@ -261,40 +254,41 @@ public class AssistantTouchConsumer extends DelegateInputConsumer
         }
     }
 
-    public static boolean withinTouchRegion(Context context, MotionEvent ev) {
-        final Resources res = context.getResources();
-        final int width = res.getDisplayMetrics().widthPixels;
-        final int height = res.getDisplayMetrics().heightPixels;
-        final int size = res.getDimensionPixelSize(R.dimen.gestures_assistant_size);
-        return (ev.getX() > width - size || ev.getX() < size) && ev.getY() > height - size;
-    }
-
-    @Override
-    public void onDragStart(boolean start) {
-        // do nothing
+    /**
+     * Determine if angle is larger than threshold for assistant detection
+     */
+    private boolean isValidAssistantGestureAngle(float deltaX, float deltaY) {
+        float angle = (float) Math.toDegrees(Math.atan2(deltaY, deltaX));
+        mDirection = angle > 90 ? UPLEFT : UPRIGHT;
+
+        // normalize so that angle is measured clockwise from horizontal in the bottom right corner
+        // and counterclockwise from horizontal in the bottom left corner
+        angle = angle > 90 ? 180 - angle : angle;
+        return (angle > mAngleThreshold && angle < 90);
     }
 
-    @Override
-    public boolean onDrag(float displacement) {
-        return false;
-    }
+    private class AssistantGestureListener extends SimpleOnGestureListener {
+        @Override
+        public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY) {
+            if (isValidAssistantGestureAngle(velocityX, -velocityY)
+                && !mLaunchedAssistant && mState != STATE_DELEGATE_ACTIVE) {
+                mLastProgress = 1;
+                try {
+                    mSysUiProxy.onAssistantGestureCompletion(
+                        (float) Math.sqrt(velocityX * velocityX + velocityY * velocityY));
+                    startAssistantInternal(FLING);
 
-    @Override
-    public void onDragEnd(float velocity, boolean fling) {
-        if (fling && !mLaunchedAssistant && mState != STATE_DELEGATE_ACTIVE) {
-            mLastProgress = 1;
-            try {
-                mSysUiProxy.onAssistantGestureCompletion(velocity);
-                startAssistantInternal(FLING);
-
-                Bundle args = new Bundle();
-                args.putInt(INVOCATION_TYPE_KEY, INVOCATION_TYPE_GESTURE);
-                mSysUiProxy.startAssistant(args);
-                mLaunchedAssistant = true;
-            } catch (RemoteException e) {
-                Log.w(TAG, "Failed to send SysUI start/send assistant progress: " + mLastProgress,
-                    e);
+                    Bundle args = new Bundle();
+                    args.putInt(INVOCATION_TYPE_KEY, INVOCATION_TYPE_GESTURE);
+                    mSysUiProxy.startAssistant(args);
+                    mLaunchedAssistant = true;
+                } catch (RemoteException e) {
+                    Log.w(TAG,
+                        "Failed to send SysUI start/send assistant progress: " + mLastProgress,
+                        e);
+                }
             }
+            return true;
         }
     }
 }
diff --git a/quickstep/recents_ui_overrides/src/com/android/quickstep/inputconsumers/FallbackNoButtonInputConsumer.java b/quickstep/recents_ui_overrides/src/com/android/quickstep/inputconsumers/FallbackNoButtonInputConsumer.java
new file mode 100644
index 000000000..d05ca2a16
--- /dev/null
+++ b/quickstep/recents_ui_overrides/src/com/android/quickstep/inputconsumers/FallbackNoButtonInputConsumer.java
@@ -0,0 +1,358 @@
+/*
+ * 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.inputconsumers;
+
+import static android.view.MotionEvent.ACTION_CANCEL;
+import static android.view.MotionEvent.ACTION_DOWN;
+import static android.view.MotionEvent.ACTION_MOVE;
+import static android.view.MotionEvent.ACTION_POINTER_DOWN;
+import static android.view.MotionEvent.ACTION_POINTER_UP;
+import static android.view.MotionEvent.ACTION_UP;
+import static android.view.MotionEvent.INVALID_POINTER_ID;
+
+import static com.android.quickstep.WindowTransformSwipeHandler.MAX_SWIPE_DURATION;
+import static com.android.quickstep.WindowTransformSwipeHandler.MIN_PROGRESS_FOR_OVERVIEW;
+import static com.android.quickstep.WindowTransformSwipeHandler.MIN_SWIPE_DURATION;
+import static com.android.quickstep.inputconsumers.OtherActivityInputConsumer.QUICKSTEP_TOUCH_SLOP_RATIO;
+import static com.android.systemui.shared.system.ActivityManagerWrapper.CLOSE_SYSTEM_WINDOWS_REASON_RECENTS;
+
+import android.animation.Animator;
+import android.animation.AnimatorListenerAdapter;
+import android.animation.ValueAnimator;
+import android.app.ActivityManager.RunningTaskInfo;
+import android.content.Context;
+import android.content.Intent;
+import android.graphics.PointF;
+import android.graphics.Rect;
+import android.graphics.RectF;
+import android.view.MotionEvent;
+import android.view.VelocityTracker;
+import android.view.ViewConfiguration;
+import android.view.WindowManager;
+
+import com.android.launcher3.DeviceProfile;
+import com.android.launcher3.InvariantDeviceProfile;
+import com.android.launcher3.R;
+import com.android.quickstep.ActivityControlHelper;
+import com.android.quickstep.OverviewComponentObserver;
+import com.android.quickstep.SwipeSharedState;
+import com.android.quickstep.util.ClipAnimationHelper;
+import com.android.quickstep.util.ClipAnimationHelper.TransformParams;
+import com.android.quickstep.util.NavBarPosition;
+import com.android.quickstep.util.RecentsAnimationListenerSet;
+import com.android.quickstep.util.SwipeAnimationTargetSet;
+import com.android.quickstep.util.SwipeAnimationTargetSet.SwipeAnimationListener;
+import com.android.systemui.shared.system.ActivityManagerWrapper;
+import com.android.systemui.shared.system.BackgroundExecutor;
+import com.android.systemui.shared.system.InputMonitorCompat;
+import com.android.systemui.shared.system.RemoteAnimationTargetCompat;
+
+public class FallbackNoButtonInputConsumer implements InputConsumer, SwipeAnimationListener {
+
+    private static final int STATE_NOT_FINISHED = 0;
+    private static final int STATE_FINISHED_TO_HOME = 1;
+    private static final int STATE_FINISHED_TO_APP = 2;
+
+    private static final float PROGRESS_TO_END_GESTURE = -2;
+
+    private final ActivityControlHelper mActivityControlHelper;
+    private final InputMonitorCompat mInputMonitor;
+    private final Context mContext;
+    private final NavBarPosition mNavBarPosition;
+    private final SwipeSharedState mSwipeSharedState;
+    private final OverviewComponentObserver mOverviewComponentObserver;
+    private final int mRunningTaskId;
+
+    private final ClipAnimationHelper mClipAnimationHelper;
+    private final TransformParams mTransformParams = new TransformParams();
+    private final float mTransitionDragLength;
+    private final DeviceProfile mDP;
+
+    private final RectF mSwipeTouchRegion;
+    private final boolean mDisableHorizontalSwipe;
+
+    private final PointF mDownPos = new PointF();
+    private final PointF mLastPos = new PointF();
+
+    private int mActivePointerId = -1;
+    // Slop used to determine when we say that the gesture has started.
+    private boolean mPassedPilferInputSlop;
+
+    private VelocityTracker mVelocityTracker;
+
+    // Distance after which we start dragging the window.
+    private final float mTouchSlop;
+
+    // Might be displacement in X or Y, depending on the direction we are swiping from the nav bar.
+    private float mStartDisplacement;
+    private SwipeAnimationTargetSet mSwipeAnimationTargetSet;
+    private float mProgress;
+
+    private int mState = STATE_NOT_FINISHED;
+
+    public FallbackNoButtonInputConsumer(Context context,
+            ActivityControlHelper activityControlHelper, InputMonitorCompat inputMonitor,
+            SwipeSharedState swipeSharedState, RectF swipeTouchRegion,
+            OverviewComponentObserver overviewComponentObserver,
+            boolean disableHorizontalSwipe, RunningTaskInfo runningTaskInfo) {
+        mContext = context;
+        mActivityControlHelper = activityControlHelper;
+        mInputMonitor = inputMonitor;
+        mOverviewComponentObserver = overviewComponentObserver;
+        mRunningTaskId = runningTaskInfo.id;
+
+        mSwipeSharedState = swipeSharedState;
+        mSwipeTouchRegion = swipeTouchRegion;
+        mDisableHorizontalSwipe = disableHorizontalSwipe;
+
+        mNavBarPosition = new NavBarPosition(context);
+        mVelocityTracker = VelocityTracker.obtain();
+
+        mTouchSlop = QUICKSTEP_TOUCH_SLOP_RATIO
+                * ViewConfiguration.get(context).getScaledTouchSlop();
+
+        mClipAnimationHelper = new ClipAnimationHelper(context);
+
+        mDP = InvariantDeviceProfile.INSTANCE.get(context).getDeviceProfile(context).copy(context);
+        Rect tempRect = new Rect();
+        mTransitionDragLength = mActivityControlHelper.getSwipeUpDestinationAndLength(
+                mDP, context, tempRect);
+        mClipAnimationHelper.updateTargetRect(tempRect);
+    }
+
+    @Override
+    public int getType() {
+        return TYPE_FALLBACK_NO_BUTTON;
+    }
+
+    @Override
+    public void onMotionEvent(MotionEvent ev) {
+        if (mVelocityTracker == null) {
+            return;
+        }
+
+        mVelocityTracker.addMovement(ev);
+        if (ev.getActionMasked() == ACTION_POINTER_UP) {
+            mVelocityTracker.clear();
+        }
+
+        switch (ev.getActionMasked()) {
+            case ACTION_DOWN: {
+                mActivePointerId = ev.getPointerId(0);
+                mDownPos.set(ev.getX(), ev.getY());
+                mLastPos.set(mDownPos);
+                break;
+            }
+            case ACTION_POINTER_DOWN: {
+                if (!mPassedPilferInputSlop) {
+                    // Cancel interaction in case of multi-touch interaction
+                    int ptrIdx = ev.getActionIndex();
+                    if (!mSwipeTouchRegion.contains(ev.getX(ptrIdx), ev.getY(ptrIdx))) {
+                        forceCancelGesture(ev);
+                    }
+                }
+                break;
+            }
+            case ACTION_POINTER_UP: {
+                int ptrIdx = ev.getActionIndex();
+                int ptrId = ev.getPointerId(ptrIdx);
+                if (ptrId == mActivePointerId) {
+                    final int newPointerIdx = ptrIdx == 0 ? 1 : 0;
+                    mDownPos.set(
+                            ev.getX(newPointerIdx) - (mLastPos.x - mDownPos.x),
+                            ev.getY(newPointerIdx) - (mLastPos.y - mDownPos.y));
+                    mLastPos.set(ev.getX(newPointerIdx), ev.getY(newPointerIdx));
+                    mActivePointerId = ev.getPointerId(newPointerIdx);
+                }
+                break;
+            }
+            case ACTION_MOVE: {
+                int pointerIndex = ev.findPointerIndex(mActivePointerId);
+                if (pointerIndex == INVALID_POINTER_ID) {
+                    break;
+                }
+                mLastPos.set(ev.getX(pointerIndex), ev.getY(pointerIndex));
+                float displacement = getDisplacement(ev);
+
+                if (!mPassedPilferInputSlop) {
+                    if (mDisableHorizontalSwipe && Math.abs(mLastPos.x - mDownPos.x)
+                            > Math.abs(mLastPos.y - mDownPos.y)) {
+                        // Horizontal gesture is not allowed in this region
+                        forceCancelGesture(ev);
+                        break;
+                    }
+
+                    if (Math.abs(displacement) >= mTouchSlop) {
+                        mPassedPilferInputSlop = true;
+
+                        // Deferred gesture, start the animation and gesture tracking once
+                        // we pass the actual touch slop
+                        startTouchTrackingForWindowAnimation(displacement);
+                    }
+                } else {
+                    updateDisplacement(displacement - mStartDisplacement);
+                }
+                break;
+            }
+            case ACTION_CANCEL:
+            case ACTION_UP: {
+                finishTouchTracking(ev);
+                break;
+            }
+        }
+    }
+
+    private void startTouchTrackingForWindowAnimation(float displacement) {
+        mStartDisplacement = Math.min(displacement, -mTouchSlop);
+
+        RecentsAnimationListenerSet listenerSet =
+                mSwipeSharedState.newRecentsAnimationListenerSet();
+        listenerSet.addListener(this);
+        Intent homeIntent = mOverviewComponentObserver.getHomeIntent();
+        BackgroundExecutor.get().submit(
+                () -> ActivityManagerWrapper.getInstance().startRecentsActivity(
+                        homeIntent, null, listenerSet, null, null));
+
+        ActivityManagerWrapper.getInstance().closeSystemWindows(
+                CLOSE_SYSTEM_WINDOWS_REASON_RECENTS);
+        mInputMonitor.pilferPointers();
+    }
+
+    private void updateDisplacement(float displacement) {
+        mProgress = displacement / mTransitionDragLength;
+        mTransformParams.setProgress(mProgress);
+
+        if (mSwipeAnimationTargetSet != null) {
+            mClipAnimationHelper.applyTransform(mSwipeAnimationTargetSet, mTransformParams);
+        }
+    }
+
+    private void forceCancelGesture(MotionEvent ev) {
+        int action = ev.getAction();
+        ev.setAction(ACTION_CANCEL);
+        finishTouchTracking(ev);
+        ev.setAction(action);
+    }
+
+    /**
+     * Called when the gesture has ended. Does not correlate to the completion of the interaction as
+     * the animation can still be running.
+     */
+    private void finishTouchTracking(MotionEvent ev) {
+        if (ev.getAction() == ACTION_CANCEL) {
+            mState = STATE_FINISHED_TO_APP;
+        } else {
+            mVelocityTracker.computeCurrentVelocity(1000,
+                    ViewConfiguration.get(mContext).getScaledMaximumFlingVelocity());
+            float velocityX = mVelocityTracker.getXVelocity(mActivePointerId);
+            float velocityY = mVelocityTracker.getYVelocity(mActivePointerId);
+            float velocity = mNavBarPosition.isRightEdge() ? velocityX
+                    : mNavBarPosition.isLeftEdge() ? -velocityX
+                            : velocityY;
+            float flingThreshold = mContext.getResources()
+                    .getDimension(R.dimen.quickstep_fling_threshold_velocity);
+            boolean isFling = Math.abs(velocity) > flingThreshold;
+
+            boolean goingHome;
+            if (!isFling) {
+                goingHome = -mProgress >= MIN_PROGRESS_FOR_OVERVIEW;
+            } else {
+                goingHome = velocity < 0;
+            }
+
+            if (goingHome) {
+                mState = STATE_FINISHED_TO_HOME;
+            } else {
+                mState = STATE_FINISHED_TO_APP;
+            }
+        }
+
+        if (mSwipeAnimationTargetSet != null) {
+            finishAnimationTargetSet();
+        }
+    }
+
+    private void finishAnimationTargetSet() {
+        if (mState == STATE_FINISHED_TO_APP) {
+            mSwipeAnimationTargetSet.finishController(false, null, false);
+        } else {
+            if (mProgress < PROGRESS_TO_END_GESTURE) {
+                mSwipeAnimationTargetSet.finishController(true, null, true);
+            } else {
+                long duration = (long) (Math.min(mProgress - PROGRESS_TO_END_GESTURE, 1)
+                        * MAX_SWIPE_DURATION / Math.abs(PROGRESS_TO_END_GESTURE));
+                if (duration < 0) {
+                    duration = MIN_SWIPE_DURATION;
+                }
+
+                ValueAnimator anim = ValueAnimator.ofFloat(mProgress, PROGRESS_TO_END_GESTURE);
+                anim.addUpdateListener(a -> {
+                    float p = (Float) anim.getAnimatedValue();
+                    mTransformParams.setProgress(p);
+                    mClipAnimationHelper.applyTransform(mSwipeAnimationTargetSet, mTransformParams);
+                });
+                anim.setDuration(duration);
+                anim.addListener(new AnimatorListenerAdapter() {
+                    @Override
+                    public void onAnimationEnd(Animator animation) {
+                        mSwipeAnimationTargetSet.finishController(true, null, true);
+                    }
+                });
+                anim.start();
+            }
+        }
+    }
+
+    @Override
+    public void onRecentsAnimationStart(SwipeAnimationTargetSet targetSet) {
+        mSwipeAnimationTargetSet = targetSet;
+        Rect overviewStackBounds = new Rect(0, 0, mDP.widthPx, mDP.heightPx);
+        RemoteAnimationTargetCompat runningTaskTarget = targetSet.findTask(mRunningTaskId);
+
+        mDP.updateIsSeascape(mContext.getSystemService(WindowManager.class));
+        if (runningTaskTarget != null) {
+            mClipAnimationHelper.updateSource(overviewStackBounds, runningTaskTarget);
+        }
+        mClipAnimationHelper.prepareAnimation(mDP, false /* isOpening */);
+
+        overviewStackBounds
+                .inset(-overviewStackBounds.width() / 5, -overviewStackBounds.height() / 5);
+        mClipAnimationHelper.updateTargetRect(overviewStackBounds);
+        mClipAnimationHelper.applyTransform(mSwipeAnimationTargetSet, mTransformParams);
+
+        if (mState != STATE_NOT_FINISHED) {
+            finishAnimationTargetSet();
+        }
+    }
+
+    @Override
+    public void onRecentsAnimationCanceled() { }
+
+    private float getDisplacement(MotionEvent ev) {
+        if (mNavBarPosition.isRightEdge()) {
+            return ev.getX() - mDownPos.x;
+        } else if (mNavBarPosition.isLeftEdge()) {
+            return mDownPos.x - ev.getX();
+        } else {
+            return ev.getY() - mDownPos.y;
+        }
+    }
+
+    @Override
+    public boolean allowInterceptByParent() {
+        return !mPassedPilferInputSlop;
+    }
+}
diff --git a/quickstep/recents_ui_overrides/src/com/android/quickstep/inputconsumers/InputConsumer.java b/quickstep/recents_ui_overrides/src/com/android/quickstep/inputconsumers/InputConsumer.java
index a1e5d47a5..f5cf654b1 100644
--- a/quickstep/recents_ui_overrides/src/com/android/quickstep/inputconsumers/InputConsumer.java
+++ b/quickstep/recents_ui_overrides/src/com/android/quickstep/inputconsumers/InputConsumer.java
@@ -33,6 +33,7 @@ public interface InputConsumer {
     int TYPE_SCREEN_PINNED = 1 << 6;
     int TYPE_OVERVIEW_WITHOUT_FOCUS = 1 << 7;
     int TYPE_RESET_GESTURE = 1 << 8;
+    int TYPE_FALLBACK_NO_BUTTON = 1 << 9;
 
     String[] NAMES = new String[] {
            "TYPE_NO_OP",                    // 0
@@ -44,6 +45,7 @@ public interface InputConsumer {
             "TYPE_SCREEN_PINNED",           // 6
             "TYPE_OVERVIEW_WITHOUT_FOCUS",  // 7
             "TYPE_RESET_GESTURE",           // 8
+            "TYPE_FALLBACK_NO_BUTTON",      // 9
     };
 
     InputConsumer NO_OP = () -> TYPE_NO_OP;
diff --git a/quickstep/recents_ui_overrides/src/com/android/quickstep/inputconsumers/OtherActivityInputConsumer.java b/quickstep/recents_ui_overrides/src/com/android/quickstep/inputconsumers/OtherActivityInputConsumer.java
index 6bc543f07..4c137d3bf 100644
--- a/quickstep/recents_ui_overrides/src/com/android/quickstep/inputconsumers/OtherActivityInputConsumer.java
+++ b/quickstep/recents_ui_overrides/src/com/android/quickstep/inputconsumers/OtherActivityInputConsumer.java
@@ -79,7 +79,7 @@ public class OtherActivityInputConsumer extends ContextWrapper implements InputC
     private static final String UP_EVT = "OtherActivityInputConsumer.UP";
 
     // TODO: Move to quickstep contract
-    private static final float QUICKSTEP_TOUCH_SLOP_RATIO = 3;
+    public static final float QUICKSTEP_TOUCH_SLOP_RATIO = 3;
 
     private final CachedEventDispatcher mRecentsViewDispatcher = new CachedEventDispatcher();
     private final RunningTaskInfo mRunningTask;
diff --git a/quickstep/recents_ui_overrides/src/com/android/quickstep/inputconsumers/ResetGestureInputConsumer.java b/quickstep/recents_ui_overrides/src/com/android/quickstep/inputconsumers/ResetGestureInputConsumer.java
index 56cba2192..8eede81b8 100644
--- a/quickstep/recents_ui_overrides/src/com/android/quickstep/inputconsumers/ResetGestureInputConsumer.java
+++ b/quickstep/recents_ui_overrides/src/com/android/quickstep/inputconsumers/ResetGestureInputConsumer.java
@@ -39,7 +39,7 @@ public class ResetGestureInputConsumer implements InputConsumer {
     public void onMotionEvent(MotionEvent ev) {
         if (ev.getAction() == MotionEvent.ACTION_DOWN
                 && mSwipeSharedState.getActiveListener() != null) {
-            mSwipeSharedState.clearAllState();
+            mSwipeSharedState.clearAllState(false /* finishAnimation */);
         }
     }
 }
diff --git a/quickstep/recents_ui_overrides/src/com/android/quickstep/util/StaggeredWorkspaceAnim.java b/quickstep/recents_ui_overrides/src/com/android/quickstep/util/StaggeredWorkspaceAnim.java
index 9eda2f9d4..07e96869e 100644
--- a/quickstep/recents_ui_overrides/src/com/android/quickstep/util/StaggeredWorkspaceAnim.java
+++ b/quickstep/recents_ui_overrides/src/com/android/quickstep/util/StaggeredWorkspaceAnim.java
@@ -17,19 +17,15 @@ package com.android.quickstep.util;
 
 import android.animation.Animator;
 import android.animation.ObjectAnimator;
-import android.animation.ValueAnimator;
 import android.view.View;
 import android.view.ViewGroup;
 
 import androidx.annotation.Nullable;
-import androidx.dynamicanimation.animation.SpringForce;
 
 import com.android.launcher3.CellLayout;
 import com.android.launcher3.DeviceProfile;
 import com.android.launcher3.Launcher;
-import com.android.launcher3.LauncherAnimUtils.ViewProgressProperty;
 import com.android.launcher3.LauncherState;
-import com.android.launcher3.LauncherStateManager;
 import com.android.launcher3.LauncherStateManager.AnimationConfig;
 import com.android.launcher3.R;
 import com.android.launcher3.ShortcutAndWidgetContainer;
@@ -40,6 +36,7 @@ import com.android.launcher3.anim.SpringObjectAnimator;
 import java.util.ArrayList;
 import java.util.List;
 
+import static com.android.launcher3.LauncherAnimUtils.VIEW_TRANSLATE_Y;
 import static com.android.launcher3.LauncherState.BACKGROUND_APP;
 import static com.android.launcher3.LauncherState.NORMAL;
 import static com.android.launcher3.anim.Interpolators.LINEAR;
@@ -147,9 +144,8 @@ public class StaggeredWorkspaceAnim {
         long startDelay = (long) ((invertedRow + 1) * APP_CLOSE_ROW_START_DELAY_MS);
 
         v.setTranslationY(mSpringTransY);
-        SpringObjectAnimator springTransY = new SpringObjectAnimator<>(
-                new ViewProgressProperty(v, View.TRANSLATION_Y), "staggeredSpringTransY", 1f,
-                DAMPING_RATIO, STIFFNESS, mSpringTransY, 0);
+        SpringObjectAnimator springTransY = new SpringObjectAnimator<>(v, VIEW_TRANSLATE_Y,
+                1f, DAMPING_RATIO, STIFFNESS, mSpringTransY, 0);
         springTransY.setStartDelay(startDelay);
         mAnimators.add(springTransY);
 
diff --git a/quickstep/recents_ui_overrides/src/com/android/quickstep/util/SwipeAnimationTargetSet.java b/quickstep/recents_ui_overrides/src/com/android/quickstep/util/SwipeAnimationTargetSet.java
index df9efa247..381c27a28 100644
--- a/quickstep/recents_ui_overrides/src/com/android/quickstep/util/SwipeAnimationTargetSet.java
+++ b/quickstep/recents_ui_overrides/src/com/android/quickstep/util/SwipeAnimationTargetSet.java
@@ -106,6 +106,10 @@ public class SwipeAnimationTargetSet extends RemoteAnimationTargetSet {
         finishController(false /* toRecents */, null, false /* sendUserLeaveHint */);
     }
 
+    public void finishAnimation() {
+        finishController(true /* toRecents */, null, false /* sendUserLeaveHint */);
+    }
+
     public interface SwipeAnimationListener {
 
         void onRecentsAnimationStart(SwipeAnimationTargetSet targetSet);
diff --git a/quickstep/recents_ui_overrides/src/com/android/quickstep/views/LauncherRecentsView.java b/quickstep/recents_ui_overrides/src/com/android/quickstep/views/LauncherRecentsView.java
index 5b2e27e53..03441c87e 100644
--- a/quickstep/recents_ui_overrides/src/com/android/quickstep/views/LauncherRecentsView.java
+++ b/quickstep/recents_ui_overrides/src/com/android/quickstep/views/LauncherRecentsView.java
@@ -33,9 +33,11 @@ import android.graphics.Canvas;
 import android.graphics.Rect;
 import android.os.Build;
 import android.util.AttributeSet;
+import android.view.MotionEvent;
 import android.view.View;
 
 import com.android.launcher3.DeviceProfile;
+import com.android.launcher3.Hotseat;
 import com.android.launcher3.Launcher;
 import com.android.launcher3.LauncherState;
 import com.android.launcher3.LauncherStateManager.StateListener;
@@ -250,4 +252,16 @@ public class LauncherRecentsView extends RecentsView<Launcher> implements StateL
             setDisallowScrollToClearAll(!hasClearAllButton);
         }
     }
+
+    @Override
+    protected boolean shouldStealTouchFromSiblingsBelow(MotionEvent ev) {
+        if (ev.getAction() == MotionEvent.ACTION_DOWN) {
+            // Allow touches to go through to the hotseat.
+            Hotseat hotseat = mActivity.getHotseat();
+            boolean touchingHotseat = hotseat.isShown()
+                    && mActivity.getDragLayer().isEventOverView(hotseat, ev, this);
+            return !touchingHotseat;
+        }
+        return super.shouldStealTouchFromSiblingsBelow(ev);
+    }
 }
diff --git a/quickstep/recents_ui_overrides/src/com/android/quickstep/views/RecentsView.java b/quickstep/recents_ui_overrides/src/com/android/quickstep/views/RecentsView.java
index 9058e7eda..a98df0fa1 100644
--- a/quickstep/recents_ui_overrides/src/com/android/quickstep/views/RecentsView.java
+++ b/quickstep/recents_ui_overrides/src/com/android/quickstep/views/RecentsView.java
@@ -16,9 +16,13 @@
 
 package com.android.quickstep.views;
 
+import static androidx.dynamicanimation.animation.DynamicAnimation.MIN_VISIBLE_CHANGE_PIXELS;
+
 import static com.android.launcher3.BaseActivity.STATE_HANDLER_INVISIBILITY_FLAGS;
 import static com.android.launcher3.InvariantDeviceProfile.CHANGE_FLAG_ICON_PARAMS;
 import static com.android.launcher3.LauncherAnimUtils.SCALE_PROPERTY;
+import static com.android.launcher3.LauncherAnimUtils.VIEW_TRANSLATE_X;
+import static com.android.launcher3.LauncherAnimUtils.VIEW_TRANSLATE_Y;
 import static com.android.launcher3.Utilities.EDGE_NAV_BAR;
 import static com.android.launcher3.Utilities.squaredHypot;
 import static com.android.launcher3.Utilities.squaredTouchSlop;
@@ -79,7 +83,6 @@ import com.android.launcher3.BaseActivity;
 import com.android.launcher3.DeviceProfile;
 import com.android.launcher3.Insettable;
 import com.android.launcher3.InvariantDeviceProfile;
-import com.android.launcher3.LauncherAnimUtils.ViewProgressProperty;
 import com.android.launcher3.LauncherState;
 import com.android.launcher3.PagedView;
 import com.android.launcher3.R;
@@ -124,10 +127,6 @@ public abstract class RecentsView<T extends BaseActivity> extends PagedView impl
 
     private static final String TAG = RecentsView.class.getSimpleName();
 
-    public static final float SPRING_MIN_VISIBLE_CHANGE = 0.001f;
-    public static final float SPRING_DAMPING_RATIO = SpringForce.DAMPING_RATIO_MEDIUM_BOUNCY;
-    public static final float SPRING_STIFFNESS = SpringForce.STIFFNESS_MEDIUM;
-
     public static final FloatProperty<RecentsView> CONTENT_ALPHA =
             new FloatProperty<RecentsView>("contentAlpha") {
                 @Override
@@ -521,6 +520,10 @@ public abstract class RecentsView<T extends BaseActivity> extends PagedView impl
 
 
         // Do not let touch escape to siblings below this view.
+        return isHandlingTouch() || shouldStealTouchFromSiblingsBelow(ev);
+    }
+
+    protected boolean shouldStealTouchFromSiblingsBelow(MotionEvent ev) {
         return true;
     }
 
@@ -1027,9 +1030,10 @@ public abstract class RecentsView<T extends BaseActivity> extends PagedView impl
     private void addDismissedTaskAnimations(View taskView, AnimatorSet anim, long duration) {
         addAnim(ObjectAnimator.ofFloat(taskView, ALPHA, 0), duration, ACCEL_2, anim);
         if (QUICKSTEP_SPRINGS.get() && taskView instanceof TaskView)
-            addAnim(new SpringObjectAnimator<>(new ViewProgressProperty(taskView,
-                            View.TRANSLATION_Y), "taskViewTransY", SPRING_MIN_VISIBLE_CHANGE,
-                            SPRING_DAMPING_RATIO, SPRING_STIFFNESS, 0, -taskView.getHeight()),
+            addAnim(new SpringObjectAnimator<>(taskView, VIEW_TRANSLATE_Y,
+                            MIN_VISIBLE_CHANGE_PIXELS, SpringForce.DAMPING_RATIO_MEDIUM_BOUNCY,
+                            SpringForce.STIFFNESS_MEDIUM,
+                            0, -taskView.getHeight()),
                     duration, LINEAR, anim);
         else {
             addAnim(ObjectAnimator.ofFloat(taskView, TRANSLATION_Y, -taskView.getHeight()),
@@ -1105,10 +1109,10 @@ public abstract class RecentsView<T extends BaseActivity> extends PagedView impl
                 int scrollDiff = newScroll[i] - oldScroll[i] + offset;
                 if (scrollDiff != 0) {
                     if (QUICKSTEP_SPRINGS.get() && child instanceof TaskView) {
-                        addAnim(new SpringObjectAnimator<>(
-                                new ViewProgressProperty(child, View.TRANSLATION_X),
-                                "taskViewTransX", SPRING_MIN_VISIBLE_CHANGE, SPRING_DAMPING_RATIO,
-                                SPRING_STIFFNESS, 0, scrollDiff), duration, ACCEL, anim);
+                        addAnim(new SpringObjectAnimator<>(child, VIEW_TRANSLATE_X,
+                                MIN_VISIBLE_CHANGE_PIXELS, SpringForce.DAMPING_RATIO_MEDIUM_BOUNCY,
+                                SpringForce.STIFFNESS_MEDIUM,
+                                0, scrollDiff), duration, ACCEL, anim);
                     } else {
                         addAnim(ObjectAnimator.ofFloat(child, TRANSLATION_X, scrollDiff), duration,
                                 ACCEL, anim);
diff --git a/quickstep/recents_ui_overrides/src/com/android/quickstep/views/TaskThumbnailView.java b/quickstep/recents_ui_overrides/src/com/android/quickstep/views/TaskThumbnailView.java
index 6f10b42fb..d55a52044 100644
--- a/quickstep/recents_ui_overrides/src/com/android/quickstep/views/TaskThumbnailView.java
+++ b/quickstep/recents_ui_overrides/src/com/android/quickstep/views/TaskThumbnailView.java
@@ -367,8 +367,11 @@ public class TaskThumbnailView extends View {
         }
 
         mRotated = isRotated;
-        updateOverlay();
         invalidate();
+
+        // Update can be called from {@link #onSizeChanged} during layout, post handling of overlay
+        // as overlay could modify the views in the overlay as a side effect of its update.
+        post(this::updateOverlay);
     }
 
     @Override
diff --git a/quickstep/recents_ui_overrides/src/com/android/quickstep/views/TaskView.java b/quickstep/recents_ui_overrides/src/com/android/quickstep/views/TaskView.java
index e7e41893c..b26fdce92 100644
--- a/quickstep/recents_ui_overrides/src/com/android/quickstep/views/TaskView.java
+++ b/quickstep/recents_ui_overrides/src/com/android/quickstep/views/TaskView.java
@@ -368,6 +368,9 @@ public class TaskView extends FrameLayout implements PageCallbacks, Reusable {
         } else {
             mSnapshotView.setThumbnail(null, null);
             setIcon(null);
+            // Reset the task thumbnail reference as well (it will be fetched from the cache or
+            // reloaded next time we need it)
+            mTask.thumbnail = null;
         }
     }
 
@@ -488,9 +491,6 @@ public class TaskView extends FrameLayout implements PageCallbacks, Reusable {
         mSnapshotView.setThumbnail(mTask, null);
         setOverlayEnabled(false);
         onTaskListVisibilityChanged(false);
-        if (mTask != null) {
-            mTask.thumbnail = null;
-        }
     }
 
     @Override