Merging from ub-launcher3-rvc-qpr-dev @ build 6770831

Bug:150504032
Test: manual, presubmit on the source branch
x20/teams/android-launcher/merge/ub-launcher3-rvc-qpr-dev_rvc-qpr-dev_6770831.html

Change-Id: Ic07dd8bd495cd0e013a00a29d9d9f11e246dc568
Merged-In: I5e9c73a7ac3033fe82006c4bd72824f56b8988f8
diff --git a/quickstep/recents_ui_overrides/src/com/android/launcher3/uioverrides/RecentsViewStateController.java b/quickstep/recents_ui_overrides/src/com/android/launcher3/uioverrides/RecentsViewStateController.java
index 085b9b3..5ccc1e8 100644
--- a/quickstep/recents_ui_overrides/src/com/android/launcher3/uioverrides/RecentsViewStateController.java
+++ b/quickstep/recents_ui_overrides/src/com/android/launcher3/uioverrides/RecentsViewStateController.java
@@ -17,6 +17,7 @@
 
 import static com.android.launcher3.LauncherState.OVERVIEW_BUTTONS;
 import static com.android.launcher3.anim.Interpolators.LINEAR;
+import static com.android.launcher3.states.StateAnimationConfig.ANIM_OVERVIEW_ACTIONS_FADE;
 import static com.android.quickstep.views.RecentsView.CONTENT_ALPHA;
 import static com.android.quickstep.views.RecentsView.FULLSCREEN_PROGRESS;
 import static com.android.quickstep.views.RecentsView.TASK_MODALNESS;
@@ -57,7 +58,7 @@
             mRecentsView.updateEmptyMessage();
             mRecentsView.resetTaskVisuals();
         }
-        setAlphas(PropertySetter.NO_ANIM_PROPERTY_SETTER, state);
+        setAlphas(PropertySetter.NO_ANIM_PROPERTY_SETTER, new StateAnimationConfig(), state);
         mRecentsView.setFullscreenProgress(state.getOverviewFullscreenProgress());
     }
 
@@ -75,17 +76,19 @@
                     AnimationSuccessListener.forRunnable(mRecentsView::resetTaskVisuals));
         }
 
-        setAlphas(builder, toState);
+        setAlphas(builder, config, toState);
         builder.setFloat(mRecentsView, FULLSCREEN_PROGRESS,
                 toState.getOverviewFullscreenProgress(), LINEAR);
     }
 
-    private void setAlphas(PropertySetter propertySetter, LauncherState state) {
+    private void setAlphas(PropertySetter propertySetter, StateAnimationConfig config,
+            LauncherState state) {
         float buttonAlpha = (state.getVisibleElements(mLauncher) & OVERVIEW_BUTTONS) != 0 ? 1 : 0;
         propertySetter.setFloat(mRecentsView.getClearAllButton(), ClearAllButton.VISIBILITY_ALPHA,
                 buttonAlpha, LINEAR);
         propertySetter.setFloat(mLauncher.getActionsView().getVisibilityAlpha(),
-                MultiValueAlpha.VALUE, buttonAlpha, LINEAR);
+                MultiValueAlpha.VALUE, buttonAlpha, config.getInterpolator(
+                        ANIM_OVERVIEW_ACTIONS_FADE, LINEAR));
     }
 
     @Override
diff --git a/quickstep/recents_ui_overrides/src/com/android/launcher3/uioverrides/states/QuickstepAtomicAnimationFactory.java b/quickstep/recents_ui_overrides/src/com/android/launcher3/uioverrides/states/QuickstepAtomicAnimationFactory.java
index 131fcbf..daa1aad 100644
--- a/quickstep/recents_ui_overrides/src/com/android/launcher3/uioverrides/states/QuickstepAtomicAnimationFactory.java
+++ b/quickstep/recents_ui_overrides/src/com/android/launcher3/uioverrides/states/QuickstepAtomicAnimationFactory.java
@@ -25,6 +25,7 @@
 import static com.android.launcher3.LauncherState.OVERVIEW_PEEK;
 import static com.android.launcher3.WorkspaceStateTransitionAnimation.getSpringScaleAnimator;
 import static com.android.launcher3.anim.Interpolators.ACCEL;
+import static com.android.launcher3.anim.Interpolators.ACCEL_DEACCEL;
 import static com.android.launcher3.anim.Interpolators.DEACCEL;
 import static com.android.launcher3.anim.Interpolators.DEACCEL_1_7;
 import static com.android.launcher3.anim.Interpolators.DEACCEL_3;
@@ -163,10 +164,15 @@
             config.setInterpolator(ANIM_WORKSPACE_FADE, ACCEL);
             config.setInterpolator(ANIM_ALL_APPS_FADE, ACCEL);
             config.setInterpolator(ANIM_OVERVIEW_SCALE, clampToProgress(ACCEL, 0, 0.9f));
-            config.setInterpolator(ANIM_OVERVIEW_TRANSLATE_X, ACCEL);
-            config.setInterpolator(ANIM_OVERVIEW_FADE, DEACCEL_1_7);
-            Workspace workspace = mActivity.getWorkspace();
+            config.setInterpolator(ANIM_OVERVIEW_TRANSLATE_X, ACCEL_DEACCEL);
 
+            if (SysUINavigationMode.getMode(mActivity) == NO_BUTTON) {
+                config.setInterpolator(ANIM_OVERVIEW_FADE, FINAL_FRAME);
+            } else {
+                config.setInterpolator(ANIM_OVERVIEW_FADE, DEACCEL_1_7);
+            }
+
+            Workspace workspace = mActivity.getWorkspace();
             // Start from a higher workspace scale, but only if we're invisible so we don't jump.
             boolean isWorkspaceVisible = workspace.getVisibility() == VISIBLE;
             if (isWorkspaceVisible) {
@@ -206,8 +212,10 @@
                 config.setInterpolator(ANIM_WORKSPACE_SCALE,
                         fromState == NORMAL ? ACCEL : OVERSHOOT_1_2);
                 config.setInterpolator(ANIM_WORKSPACE_TRANSLATE, ACCEL);
+                config.setInterpolator(ANIM_OVERVIEW_FADE, INSTANT);
             } else {
                 config.setInterpolator(ANIM_WORKSPACE_SCALE, OVERSHOOT_1_2);
+                config.setInterpolator(ANIM_OVERVIEW_FADE, OVERSHOOT_1_2);
 
                 // Scale up the recents, if it is not coming from the side
                 RecentsView overview = mActivity.getOverviewPanel();
@@ -225,7 +233,6 @@
                     : OVERSHOOT_1_7;
             config.setInterpolator(ANIM_OVERVIEW_TRANSLATE_X, translationInterpolator);
             config.setInterpolator(ANIM_OVERVIEW_TRANSLATE_Y, translationInterpolator);
-            config.setInterpolator(ANIM_OVERVIEW_FADE, OVERSHOOT_1_2);
         } else if (fromState == HINT_STATE && toState == NORMAL) {
             config.setInterpolator(ANIM_DEPTH, DEACCEL_3);
             if (mHintToNormalDuration == -1) {
diff --git a/quickstep/recents_ui_overrides/src/com/android/launcher3/uioverrides/touchcontrollers/NavBarToHomeTouchController.java b/quickstep/recents_ui_overrides/src/com/android/launcher3/uioverrides/touchcontrollers/NavBarToHomeTouchController.java
index c1a585e..61f6702 100644
--- a/quickstep/recents_ui_overrides/src/com/android/launcher3/uioverrides/touchcontrollers/NavBarToHomeTouchController.java
+++ b/quickstep/recents_ui_overrides/src/com/android/launcher3/uioverrides/touchcontrollers/NavBarToHomeTouchController.java
@@ -19,13 +19,13 @@
 import static com.android.launcher3.AbstractFloatingView.TYPE_ALL_APPS_EDU;
 import static com.android.launcher3.LauncherState.ALL_APPS;
 import static com.android.launcher3.LauncherState.NORMAL;
+import static com.android.launcher3.LauncherState.OVERVIEW;
 import static com.android.launcher3.allapps.AllAppsTransitionController.ALL_APPS_PROGRESS;
 import static com.android.launcher3.anim.Interpolators.DEACCEL_3;
 import static com.android.launcher3.config.FeatureFlags.ENABLE_ALL_APPS_EDU;
 import static com.android.launcher3.config.FeatureFlags.ENABLE_QUICKSTEP_LIVE_TILE;
 import static com.android.launcher3.logging.StatsLogManager.LauncherEvent.LAUNCHER_HOME_GESTURE;
 import static com.android.launcher3.touch.AbstractStateChangeTouchController.SUCCESS_TRANSITION_PROGRESS;
-import static com.android.quickstep.views.RecentsView.ADJACENT_PAGE_OFFSET;
 import static com.android.systemui.shared.system.ActivityManagerWrapper.CLOSE_SYSTEM_WINDOWS_REASON_RECENTS;
 
 import android.animation.ValueAnimator;
@@ -45,6 +45,7 @@
 import com.android.launcher3.anim.PendingAnimation;
 import com.android.launcher3.compat.AccessibilityManagerCompat;
 import com.android.launcher3.config.FeatureFlags;
+import com.android.launcher3.graphics.OverviewScrim;
 import com.android.launcher3.logging.StatsLogManager;
 import com.android.launcher3.states.StateAnimationConfig;
 import com.android.launcher3.testing.TestProtocol;
@@ -52,7 +53,9 @@
 import com.android.launcher3.userevent.nano.LauncherLogProto;
 import com.android.launcher3.userevent.nano.LauncherLogProto.Action.Touch;
 import com.android.launcher3.util.TouchController;
+import com.android.quickstep.util.AnimatorControllerWithResistance;
 import com.android.quickstep.util.AssistantUtilities;
+import com.android.quickstep.util.OverviewToHomeAnim;
 import com.android.quickstep.views.RecentsView;
 import com.android.systemui.shared.system.ActivityManagerWrapper;
 
@@ -63,6 +66,8 @@
         SingleAxisSwipeDetector.Listener {
 
     private static final Interpolator PULLBACK_INTERPOLATOR = DEACCEL_3;
+    // How much of the overview scrim we can remove during the transition.
+    private static final float OVERVIEW_TO_HOME_SCRIM_PROGRESS = 0.5f;
 
     private final Launcher mLauncher;
     private final SingleAxisSwipeDetector mSwipeDetector;
@@ -156,8 +161,13 @@
         final PendingAnimation builder = new PendingAnimation(accuracy);
         if (mStartState.overviewUi) {
             RecentsView recentsView = mLauncher.getOverviewPanel();
-            builder.setFloat(recentsView, ADJACENT_PAGE_OFFSET,
-                    -mPullbackDistance / recentsView.getPageOffsetScale(), PULLBACK_INTERPOLATOR);
+            AnimatorControllerWithResistance.createRecentsResistanceFromOverviewAnim(mLauncher,
+                    builder);
+            float endScrimAlpha = Utilities.mapRange(OVERVIEW_TO_HOME_SCRIM_PROGRESS,
+                    mStartState.getOverviewScrimAlpha(mLauncher),
+                    mEndState.getOverviewScrimAlpha(mLauncher));
+            builder.setFloat(mLauncher.getDragLayer().getOverviewScrim(),
+                    OverviewScrim.SCRIM_PROGRESS, endScrimAlpha, PULLBACK_INTERPOLATOR);
             if (ENABLE_QUICKSTEP_LIVE_TILE.get()) {
                 builder.addOnFrameCallback(
                         () -> recentsView.redrawLiveTile(false /* mightNeedToRefill */));
@@ -212,8 +222,13 @@
                 recentsView.switchToScreenshot(null,
                         () -> recentsView.finishRecentsAnimation(true /* toRecents */, null));
             }
-            mLauncher.getStateManager().goToState(mEndState, true,
-                    () -> onSwipeInteractionCompleted(mEndState));
+            if (mStartState == OVERVIEW) {
+                new OverviewToHomeAnim(mLauncher, () -> onSwipeInteractionCompleted(mEndState))
+                        .animateWithVelocity(velocity);
+            } else {
+                mLauncher.getStateManager().goToState(mEndState, true,
+                        () -> onSwipeInteractionCompleted(mEndState));
+            }
             if (mStartState != mEndState) {
                 logStateChange(mStartState.containerType, logAction);
             }
diff --git a/quickstep/recents_ui_overrides/src/com/android/launcher3/uioverrides/touchcontrollers/NoButtonNavbarToOverviewTouchController.java b/quickstep/recents_ui_overrides/src/com/android/launcher3/uioverrides/touchcontrollers/NoButtonNavbarToOverviewTouchController.java
index 9316938..8f0f683 100644
--- a/quickstep/recents_ui_overrides/src/com/android/launcher3/uioverrides/touchcontrollers/NoButtonNavbarToOverviewTouchController.java
+++ b/quickstep/recents_ui_overrides/src/com/android/launcher3/uioverrides/touchcontrollers/NoButtonNavbarToOverviewTouchController.java
@@ -21,11 +21,8 @@
 import static com.android.launcher3.LauncherState.OVERVIEW;
 import static com.android.launcher3.Utilities.EDGE_NAV_BAR;
 import static com.android.launcher3.anim.Interpolators.ACCEL_DEACCEL;
-import static com.android.launcher3.states.StateAnimationConfig.PLAY_ATOMIC_OVERVIEW_PEEK;
 import static com.android.launcher3.util.VibratorWrapper.OVERVIEW_HAPTIC;
 
-import android.animation.Animator;
-import android.animation.AnimatorSet;
 import android.animation.ObjectAnimator;
 import android.animation.ValueAnimator;
 import android.graphics.PointF;
@@ -35,14 +32,15 @@
 import com.android.launcher3.Launcher;
 import com.android.launcher3.LauncherState;
 import com.android.launcher3.Utilities;
-import com.android.launcher3.anim.AnimationSuccessListener;
+import com.android.launcher3.anim.AnimatorPlaybackController;
 import com.android.launcher3.graphics.OverviewScrim;
 import com.android.launcher3.statemanager.StateManager;
 import com.android.launcher3.states.StateAnimationConfig;
 import com.android.launcher3.testing.TestProtocol;
 import com.android.launcher3.userevent.nano.LauncherLogProto.Action.Touch;
 import com.android.launcher3.util.VibratorWrapper;
-import com.android.quickstep.util.StaggeredWorkspaceAnim;
+import com.android.quickstep.util.AnimatorControllerWithResistance;
+import com.android.quickstep.util.OverviewToHomeAnim;
 import com.android.quickstep.views.RecentsView;
 
 /**
@@ -62,10 +60,10 @@
 
     private boolean mDidTouchStartInNavBar;
     private boolean mReachedOverview;
-    private boolean mIsOverviewRehidden;
-    private boolean mIsHomeStaggeredAnimFinished;
     // The last recorded displacement before we reached overview.
     private PointF mStartDisplacement = new PointF();
+    private float mStartY;
+    private AnimatorPlaybackController mOverviewResistYAnim;
 
     // Normal to Hint animation has flag SKIP_OVERVIEW, so we update this scrim with this animator.
     private ObjectAnimator mNormalToHintOverviewScrimAnimator;
@@ -123,6 +121,7 @@
                     mToState.getOverviewScrimAlpha(mLauncher));
         }
         mReachedOverview = false;
+        mOverviewResistYAnim = null;
     }
 
     @Override
@@ -137,6 +136,11 @@
     public void onDragEnd(float velocity) {
         super.onDragEnd(velocity);
         mNormalToHintOverviewScrimAnimator = null;
+        if (mLauncher.isInState(OVERVIEW)) {
+            // Normally we would cleanup the state based on mCurrentAnimation, but since we stop
+            // using that when we pause to go to Overview, we need to clean up ourselves.
+            clearState();
+        }
     }
 
     @Override
@@ -160,6 +164,9 @@
         mNormalToHintOverviewScrimAnimator = null;
         mCurrentAnimation.dispatchOnCancelWithoutCancelRunnable(() -> {
             mLauncher.getStateManager().goToState(OVERVIEW, true, () -> {
+                mOverviewResistYAnim = AnimatorControllerWithResistance
+                        .createRecentsResistanceFromOverviewAnim(mLauncher, null)
+                        .createPlaybackController();
                 mReachedOverview = true;
                 maybeSwipeInteractionToOverviewComplete();
             });
@@ -173,13 +180,6 @@
         }
     }
 
-    // Used if flinging back to home after reaching overview
-    private void maybeSwipeInteractionToHomeComplete() {
-        if (mIsHomeStaggeredAnimFinished && mIsOverviewRehidden) {
-            onSwipeInteractionCompleted(NORMAL, Touch.FLING);
-        }
-    }
-
     @Override
     protected boolean handlingOverviewAnim() {
         return mDidTouchStartInNavBar && super.handlingOverviewAnim();
@@ -193,11 +193,17 @@
         if (mMotionPauseDetector.isPaused()) {
             if (!mReachedOverview) {
                 mStartDisplacement.set(xDisplacement, yDisplacement);
+                mStartY = event.getY();
             } else {
                 mRecentsView.setTranslationX((xDisplacement - mStartDisplacement.x)
                         * OVERVIEW_MOVEMENT_FACTOR);
-                mRecentsView.setTranslationY((yDisplacement - mStartDisplacement.y)
-                        * OVERVIEW_MOVEMENT_FACTOR);
+                float yProgress = (mStartDisplacement.y - yDisplacement) / mStartY;
+                if (yProgress > 0 && mOverviewResistYAnim != null) {
+                    mOverviewResistYAnim.setPlayFraction(yProgress);
+                } else {
+                    mRecentsView.setTranslationY((yDisplacement - mStartDisplacement.y)
+                            * OVERVIEW_MOVEMENT_FACTOR);
+                }
             }
             // Stay in Overview.
             return true;
@@ -212,35 +218,8 @@
         StateManager<LauncherState> stateManager = mLauncher.getStateManager();
         boolean goToHomeInsteadOfOverview = isFling;
         if (goToHomeInsteadOfOverview) {
-            if (velocity > 0) {
-                stateManager.goToState(NORMAL, true,
-                        () -> onSwipeInteractionCompleted(NORMAL, Touch.FLING));
-            } else {
-                mIsHomeStaggeredAnimFinished = mIsOverviewRehidden = false;
-
-                StaggeredWorkspaceAnim staggeredWorkspaceAnim = new StaggeredWorkspaceAnim(
-                        mLauncher, velocity, false /* animateOverviewScrim */);
-                staggeredWorkspaceAnim.addAnimatorListener(new AnimationSuccessListener() {
-                    @Override
-                    public void onAnimationSuccess(Animator animator) {
-                        mIsHomeStaggeredAnimFinished = true;
-                        maybeSwipeInteractionToHomeComplete();
-                    }
-                }).start();
-
-                // StaggeredWorkspaceAnim doesn't animate overview, so we handle it here.
-                stateManager.cancelAnimation();
-                StateAnimationConfig config = new StateAnimationConfig();
-                config.duration = OVERVIEW.getTransitionDuration(mLauncher);
-                config.animFlags = PLAY_ATOMIC_OVERVIEW_PEEK;
-                AnimatorSet anim = stateManager.createAtomicAnimation(
-                        stateManager.getState(), NORMAL, config);
-                anim.addListener(AnimationSuccessListener.forRunnable(() -> {
-                    mIsOverviewRehidden = true;
-                    maybeSwipeInteractionToHomeComplete();
-                }));
-                anim.start();
-            }
+            new OverviewToHomeAnim(mLauncher, ()-> onSwipeInteractionCompleted(NORMAL, Touch.FLING))
+                    .animateWithVelocity(velocity);
         }
         if (mReachedOverview) {
             float distanceDp = dpiFromPx(Math.max(
@@ -256,6 +235,13 @@
                     .withEndAction(goToHomeInsteadOfOverview
                             ? null
                             : this::maybeSwipeInteractionToOverviewComplete);
+            if (!goToHomeInsteadOfOverview) {
+                // Return to normal properties for the overview state.
+                StateAnimationConfig config = new StateAnimationConfig();
+                config.duration = duration;
+                LauncherState state = mLauncher.getStateManager().getState();
+                mLauncher.getStateManager().createAtomicAnimation(state, state, config).start();
+            }
         }
     }
 
diff --git a/quickstep/recents_ui_overrides/src/com/android/launcher3/uioverrides/touchcontrollers/NoButtonQuickSwitchTouchController.java b/quickstep/recents_ui_overrides/src/com/android/launcher3/uioverrides/touchcontrollers/NoButtonQuickSwitchTouchController.java
index 821ada4..5c9fd47 100644
--- a/quickstep/recents_ui_overrides/src/com/android/launcher3/uioverrides/touchcontrollers/NoButtonQuickSwitchTouchController.java
+++ b/quickstep/recents_ui_overrides/src/com/android/launcher3/uioverrides/touchcontrollers/NoButtonQuickSwitchTouchController.java
@@ -22,7 +22,6 @@
 import static com.android.launcher3.LauncherState.QUICK_SWITCH;
 import static com.android.launcher3.anim.AlphaUpdateListener.ALPHA_CUTOFF_THRESHOLD;
 import static com.android.launcher3.anim.Interpolators.ACCEL_0_75;
-import static com.android.launcher3.anim.Interpolators.DEACCEL;
 import static com.android.launcher3.anim.Interpolators.DEACCEL_5;
 import static com.android.launcher3.anim.Interpolators.LINEAR;
 import static com.android.launcher3.anim.Interpolators.scrollInterpolatorForVelocity;
@@ -47,6 +46,7 @@
 import static com.android.quickstep.views.RecentsView.ADJACENT_PAGE_OFFSET;
 import static com.android.quickstep.views.RecentsView.FULLSCREEN_PROGRESS;
 import static com.android.quickstep.views.RecentsView.RECENTS_SCALE_PROPERTY;
+import static com.android.quickstep.views.RecentsView.TASK_SECONDARY_TRANSLATION;
 import static com.android.systemui.shared.system.QuickStepContract.SYSUI_STATE_OVERVIEW_DISABLED;
 
 import android.animation.Animator;
@@ -74,7 +74,9 @@
 import com.android.launcher3.userevent.nano.LauncherLogProto.Action.Touch;
 import com.android.launcher3.util.TouchController;
 import com.android.launcher3.util.VibratorWrapper;
+import com.android.quickstep.AnimatedFloat;
 import com.android.quickstep.SystemUiProxy;
+import com.android.quickstep.util.AnimatorControllerWithResistance;
 import com.android.quickstep.util.LayoutUtils;
 import com.android.quickstep.util.MotionPauseDetector;
 import com.android.quickstep.util.ShelfPeekAnim;
@@ -90,16 +92,17 @@
         BothAxesSwipeDetector.Listener, MotionPauseDetector.OnMotionPauseListener {
 
     /** The minimum progress of the scale/translationY animation until drag end. */
-    private static final float Y_ANIM_MIN_PROGRESS = 0.15f;
+    private static final float Y_ANIM_MIN_PROGRESS = 0.25f;
     private static final Interpolator FADE_OUT_INTERPOLATOR = DEACCEL_5;
     private static final Interpolator TRANSLATE_OUT_INTERPOLATOR = ACCEL_0_75;
-    private static final Interpolator SCALE_DOWN_INTERPOLATOR = DEACCEL;
+    private static final Interpolator SCALE_DOWN_INTERPOLATOR = LINEAR;
 
     private final BaseQuickstepLauncher mLauncher;
     private final BothAxesSwipeDetector mSwipeDetector;
     private final ShelfPeekAnim mShelfPeekAnim;
     private final float mXRange;
     private final float mYRange;
+    private final float mMaxYProgress;
     private final MotionPauseDetector mMotionPauseDetector;
     private final float mMotionPauseMinDisplacement;
     private final LauncherRecentsView mRecentsView;
@@ -113,7 +116,7 @@
     // and the other two to set overview properties based on x and y progress.
     private AnimatorPlaybackController mNonOverviewAnim;
     private AnimatorPlaybackController mXOverviewAnim;
-    private AnimatorPlaybackController mYOverviewAnim;
+    private AnimatedFloat mYOverviewAnim;
 
     public NoButtonQuickSwitchTouchController(BaseQuickstepLauncher launcher) {
         mLauncher = launcher;
@@ -123,6 +126,7 @@
         mXRange = mLauncher.getDeviceProfile().widthPx / 2f;
         mYRange = LayoutUtils.getShelfTrackingDistance(
             mLauncher, mLauncher.getDeviceProfile(), mRecentsView.getPagedOrientationHandler());
+        mMaxYProgress = mLauncher.getDeviceProfile().heightPx / mYRange;
         mMotionPauseDetector = new MotionPauseDetector(mLauncher);
         mMotionPauseMinDisplacement = mLauncher.getResources().getDimension(
                 R.dimen.motion_pause_detector_min_displacement_from_app);
@@ -270,8 +274,18 @@
                 SCALE_DOWN_INTERPOLATOR);
         yAnim.setFloat(mRecentsView, FULLSCREEN_PROGRESS,
                 toState.getOverviewFullscreenProgress(), SCALE_DOWN_INTERPOLATOR);
-        mYOverviewAnim = yAnim.createPlaybackController();
-        mYOverviewAnim.dispatchOnStart();
+        AnimatorPlaybackController yNormalController = yAnim.createPlaybackController();
+        AnimatorControllerWithResistance yAnimWithResistance = AnimatorControllerWithResistance
+                .createForRecents(yNormalController, mLauncher,
+                        mRecentsView.getPagedViewOrientedState(), mLauncher.getDeviceProfile(),
+                        mRecentsView, RECENTS_SCALE_PROPERTY, mRecentsView,
+                        TASK_SECONDARY_TRANSLATION);
+        mYOverviewAnim = new AnimatedFloat(() -> {
+            if (mYOverviewAnim != null) {
+                yAnimWithResistance.setProgress(mYOverviewAnim.value, mMaxYProgress);
+            }
+        });
+        yNormalController.dispatchOnStart();
     }
 
     @Override
@@ -307,7 +321,7 @@
             mXOverviewAnim.setPlayFraction(xProgress);
         }
         if (mYOverviewAnim != null) {
-            mYOverviewAnim.setPlayFraction(yProgress);
+            mYOverviewAnim.updateValue(yProgress);
         }
         return true;
     }
@@ -354,9 +368,11 @@
         } else if (verticalFling) {
             targetState = velocity.y > 0 ? QUICK_SWITCH : NORMAL;
         } else {
-            // If user isn't flinging, just snap to the closest state based on x progress.
+            // If user isn't flinging, just snap to the closest state.
             boolean passedHorizontalThreshold = mXOverviewAnim.getInterpolatedProgress() > 0.5f;
-            targetState = passedHorizontalThreshold ? QUICK_SWITCH : NORMAL;
+            boolean passedVerticalThreshold = mYOverviewAnim.value > 1f;
+            targetState = passedHorizontalThreshold && !passedVerticalThreshold
+                    ? QUICK_SWITCH : NORMAL;
         }
 
         // Animate the various components to the target state.
@@ -375,9 +391,9 @@
 
         boolean flingUpToNormal = verticalFling && velocity.y < 0 && targetState == NORMAL;
 
-        float yProgress = mYOverviewAnim.getProgressFraction();
+        float yProgress = mYOverviewAnim.value;
         float startYProgress = Utilities.boundToRange(yProgress
-                - velocity.y * getSingleFrameMs(mLauncher) / mYRange, 0f, 1f);
+                - velocity.y * getSingleFrameMs(mLauncher) / mYRange, 0f, mMaxYProgress);
         final float endYProgress;
         if (flingUpToNormal) {
             endYProgress = 1;
@@ -387,12 +403,11 @@
         } else {
             endYProgress = 0;
         }
-        long yDuration = BaseSwipeDetector.calculateDuration(velocity.y,
-                Math.abs(endYProgress - startYProgress));
-        ValueAnimator yOverviewAnim = mYOverviewAnim.getAnimationPlayer();
-        yOverviewAnim.setFloatValues(startYProgress, endYProgress);
+        float yDistanceToCover = Math.abs(endYProgress - startYProgress) * mYRange;
+        long yDuration = (long) (yDistanceToCover / Math.max(1f, Math.abs(velocity.y)));
+        ValueAnimator yOverviewAnim = mYOverviewAnim.animateToValue(startYProgress, endYProgress);
         yOverviewAnim.setDuration(yDuration);
-        mYOverviewAnim.dispatchOnStart();
+        mYOverviewAnim.updateValue(startYProgress);
 
         ValueAnimator nonOverviewAnim = mNonOverviewAnim.getAnimationPlayer();
         if (flingUpToNormal && !mIsHomeScreenVisible) {
@@ -457,7 +472,7 @@
             mXOverviewAnim.getAnimationPlayer().cancel();
         }
         if (mYOverviewAnim != null) {
-            mYOverviewAnim.getAnimationPlayer().cancel();
+            mYOverviewAnim.cancelAnimation();
         }
         mShelfPeekAnim.setShelfState(ShelfAnimState.CANCEL, LINEAR, 0);
         mMotionPauseDetector.clear();
diff --git a/quickstep/recents_ui_overrides/src/com/android/launcher3/uioverrides/touchcontrollers/TaskViewTouchController.java b/quickstep/recents_ui_overrides/src/com/android/launcher3/uioverrides/touchcontrollers/TaskViewTouchController.java
index 0ee5d04..7bae2e5 100644
--- a/quickstep/recents_ui_overrides/src/com/android/launcher3/uioverrides/touchcontrollers/TaskViewTouchController.java
+++ b/quickstep/recents_ui_overrides/src/com/android/launcher3/uioverrides/touchcontrollers/TaskViewTouchController.java
@@ -25,6 +25,7 @@
 import android.animation.AnimatorListenerAdapter;
 import android.view.MotionEvent;
 import android.view.View;
+import android.view.animation.Interpolator;
 
 import com.android.launcher3.AbstractFloatingView;
 import com.android.launcher3.BaseDraggingActivity;
@@ -206,14 +207,19 @@
         long maxDuration = 2 * secondaryLayerDimension;
         int verticalFactor = orientationHandler.getTaskDragDisplacementFactor(mIsRtl);
         int secondaryTaskDimension = orientationHandler.getSecondaryDimension(mTaskBeingDragged);
+        // The interpolator controlling the most prominent visual movement. We use this to determine
+        // whether we passed SUCCESS_TRANSITION_PROGRESS.
+        final Interpolator currentInterpolator;
         if (goingUp) {
+            currentInterpolator = Interpolators.LINEAR;
             mPendingAnimation = mRecentsView.createTaskDismissAnimation(mTaskBeingDragged,
                     true /* animateTaskView */, true /* removeTask */, maxDuration);
 
             mEndDisplacement = -secondaryTaskDimension;
         } else {
+            currentInterpolator = Interpolators.ZOOM_IN;
             mPendingAnimation = mRecentsView.createTaskLaunchAnimation(
-                    mTaskBeingDragged, maxDuration, Interpolators.ZOOM_IN);
+                    mTaskBeingDragged, maxDuration, currentInterpolator);
 
             // Since the thumbnail is what is filling the screen, based the end displacement on it.
             View thumbnailView = mTaskBeingDragged.getThumbnail();
@@ -228,6 +234,9 @@
         }
         mCurrentAnimation = mPendingAnimation.createPlaybackController()
                 .setOnCancelRunnable(this::clearState);
+        // Setting this interpolator doesn't affect the visual motion, but is used to determine
+        // whether we successfully reached the target state in onDragEnd().
+        mCurrentAnimation.getTarget().setInterpolator(currentInterpolator);
         onUserControlledAnimationCreated(mCurrentAnimation);
         mCurrentAnimation.getTarget().addListener(this);
         mCurrentAnimation.dispatchOnStart();
diff --git a/quickstep/recents_ui_overrides/src/com/android/quickstep/AppToOverviewAnimationProvider.java b/quickstep/recents_ui_overrides/src/com/android/quickstep/AppToOverviewAnimationProvider.java
index 9310685..55f5424 100644
--- a/quickstep/recents_ui_overrides/src/com/android/quickstep/AppToOverviewAnimationProvider.java
+++ b/quickstep/recents_ui_overrides/src/com/android/quickstep/AppToOverviewAnimationProvider.java
@@ -79,8 +79,8 @@
         BaseActivityInterface.AnimationFactory factory = mActivityInterface.prepareRecentsUI(
                 mDeviceState,
                 wasVisible, (controller) -> {
-                    controller.dispatchOnStart();
-                    controller.getAnimationPlayer().end();
+                    controller.getNormalController().dispatchOnStart();
+                    controller.getNormalController().getAnimationPlayer().end();
                 });
         factory.createActivityInterface(RECENTS_LAUNCH_DURATION);
         factory.setRecentsAttachedToAppWindow(true, false);
diff --git a/quickstep/recents_ui_overrides/src/com/android/quickstep/BaseSwipeUpHandler.java b/quickstep/recents_ui_overrides/src/com/android/quickstep/BaseSwipeUpHandler.java
index cbef67b..c90f701 100644
--- a/quickstep/recents_ui_overrides/src/com/android/quickstep/BaseSwipeUpHandler.java
+++ b/quickstep/recents_ui_overrides/src/com/android/quickstep/BaseSwipeUpHandler.java
@@ -365,8 +365,7 @@
      */
     protected void applyWindowTransform() {
         if (mWindowTransitionController != null) {
-            float progress = mCurrentShift.value / mDragLengthFactor;
-            mWindowTransitionController.setPlayFraction(progress);
+            mWindowTransitionController.setProgress(mCurrentShift.value, mDragLengthFactor);
         }
         if (mRecentsAnimationTargets != null) {
             if (mRecentsViewScrollLinked) {
diff --git a/quickstep/recents_ui_overrides/src/com/android/quickstep/BaseSwipeUpHandlerV2.java b/quickstep/recents_ui_overrides/src/com/android/quickstep/BaseSwipeUpHandlerV2.java
index 758066f..0aa1486 100644
--- a/quickstep/recents_ui_overrides/src/com/android/quickstep/BaseSwipeUpHandlerV2.java
+++ b/quickstep/recents_ui_overrides/src/com/android/quickstep/BaseSwipeUpHandlerV2.java
@@ -21,7 +21,6 @@
 import static com.android.launcher3.anim.Interpolators.LINEAR;
 import static com.android.launcher3.anim.Interpolators.OVERSHOOT_1_2;
 import static com.android.launcher3.config.FeatureFlags.ENABLE_QUICKSTEP_LIVE_TILE;
-import static com.android.launcher3.config.FeatureFlags.UNSTABLE_SPRINGS;
 import static com.android.launcher3.logging.StatsLogManager.LAUNCHER_STATE_BACKGROUND;
 import static com.android.launcher3.logging.StatsLogManager.LauncherEvent.IGNORE;
 import static com.android.launcher3.logging.StatsLogManager.LauncherEvent.LAUNCHER_HOME_GESTURE;
@@ -45,7 +44,6 @@
 import static com.android.systemui.shared.system.RemoteAnimationTargetCompat.ACTIVITY_TYPE_HOME;
 
 import android.animation.Animator;
-import android.animation.TimeInterpolator;
 import android.animation.ValueAnimator;
 import android.annotation.TargetApi;
 import android.app.ActivityManager;
@@ -67,7 +65,6 @@
 import com.android.launcher3.R;
 import com.android.launcher3.Utilities;
 import com.android.launcher3.anim.AnimationSuccessListener;
-import com.android.launcher3.anim.AnimatorPlaybackController;
 import com.android.launcher3.anim.Interpolators;
 import com.android.launcher3.logging.StatsLogManager;
 import com.android.launcher3.logging.UserEventDispatcher;
@@ -80,6 +77,7 @@
 import com.android.quickstep.GestureState.GestureEndTarget;
 import com.android.quickstep.inputconsumers.OverviewInputConsumer;
 import com.android.quickstep.util.ActiveGestureLog;
+import com.android.quickstep.util.AnimatorControllerWithResistance;
 import com.android.quickstep.util.RectFSpringAnim;
 import com.android.quickstep.util.ShelfPeekAnim;
 import com.android.quickstep.util.ShelfPeekAnim.ShelfAnimState;
@@ -181,8 +179,7 @@
     private ThumbnailData mTaskSnapshot;
 
     // Used to control launcher components throughout the swipe gesture.
-    private AnimatorPlaybackController mLauncherTransitionController;
-    private boolean mHasLauncherTransitionControllerStarted;
+    private AnimatorControllerWithResistance mLauncherTransitionController;
 
     private AnimationFactory mAnimationFactory = (t) -> { };
 
@@ -491,6 +488,20 @@
             recentsAttachedToAppWindow = mIsShelfPeeking || mIsLikelyToStartNewTask;
         }
         mAnimationFactory.setRecentsAttachedToAppWindow(recentsAttachedToAppWindow, animate);
+
+        // Reapply window transform throughout the attach animation, as the animation affects how
+        // much the window is bound by overscroll (vs moving freely).
+        if (animate) {
+            ValueAnimator reapplyWindowTransformAnim = ValueAnimator.ofFloat(0, 1);
+            reapplyWindowTransformAnim.addUpdateListener(anim -> {
+                if (mRunningWindowAnim == null) {
+                    applyWindowTransform();
+                }
+            });
+            reapplyWindowTransformAnim.setDuration(RECENTS_ATTACH_DURATION).start();
+        } else {
+            applyWindowTransform();
+        }
     }
 
     @Override
@@ -528,11 +539,11 @@
 
     /**
      * We don't want to change mLauncherTransitionController if mGestureState.getEndTarget() == HOME
-     * (it has its own animation) or if we're already animating the current controller.
+     * (it has its own animation).
      * @return Whether we can create the launcher controller or update its progress.
      */
     private boolean canCreateNewOrUpdateExistingLauncherTransitionController() {
-        return mGestureState.getEndTarget() != HOME && !mHasLauncherTransitionControllerStarted;
+        return mGestureState.getEndTarget() != HOME;
     }
 
     @Override
@@ -542,10 +553,9 @@
         return result;
     }
 
-    private void onAnimatorPlaybackControllerCreated(AnimatorPlaybackController anim) {
+    private void onAnimatorPlaybackControllerCreated(AnimatorControllerWithResistance anim) {
         mLauncherTransitionController = anim;
-        mLauncherTransitionController.dispatchSetInterpolator(t -> t * mDragLengthFactor);
-        mLauncherTransitionController.dispatchOnStart();
+        mLauncherTransitionController.getNormalController().dispatchOnStart();
         updateLauncherTransitionProgress();
     }
 
@@ -582,10 +592,7 @@
                 || !canCreateNewOrUpdateExistingLauncherTransitionController()) {
             return;
         }
-        // Normalize the progress to 0 to 1, as the animation controller will clamp it to that
-        // anyway. The controller mimics the drag length factor by applying it to its interpolators.
-        float progress = mCurrentShift.value / mDragLengthFactor;
-        mLauncherTransitionController.setPlayFraction(progress);
+        mLauncherTransitionController.setProgress(mCurrentShift.value, mDragLengthFactor);
     }
 
     /**
@@ -1028,31 +1035,6 @@
             windowAnim.start();
             mRunningWindowAnim = RunningWindowAnim.wrap(windowAnim);
         }
-        // Always play the entire launcher animation when going home, since it is separate from
-        // the animation that has been controlled thus far.
-        if (mGestureState.getEndTarget() == HOME) {
-            start = 0;
-        }
-
-        // We want to use the same interpolator as the window, but need to adjust it to
-        // interpolate over the remaining progress (end - start).
-        TimeInterpolator adjustedInterpolator = Interpolators.mapToProgress(
-                interpolator, start, end);
-        if (mLauncherTransitionController == null) {
-            return;
-        }
-        if (start == end || duration <= 0) {
-            mLauncherTransitionController.dispatchSetInterpolator(t -> end);
-        } else {
-            mLauncherTransitionController.dispatchSetInterpolator(adjustedInterpolator);
-        }
-        mLauncherTransitionController.getAnimationPlayer().setDuration(Math.max(0, duration));
-
-        if (UNSTABLE_SPRINGS.get()) {
-            mLauncherTransitionController.dispatchOnStart();
-        }
-        mLauncherTransitionController.getAnimationPlayer().start();
-        mHasLauncherTransitionControllerStarted = true;
     }
 
     private void computeRecentsScrollIfInvisible() {
@@ -1173,10 +1155,6 @@
     private void cancelCurrentAnimation() {
         mCanceled = true;
         mCurrentShift.cancelAnimation();
-        if (mLauncherTransitionController != null && mLauncherTransitionController
-                .getAnimationPlayer().isStarted()) {
-            mLauncherTransitionController.getAnimationPlayer().cancel();
-        }
     }
 
     private void invalidateHandler() {
@@ -1202,7 +1180,10 @@
     private void endLauncherTransitionController() {
         setShelfState(ShelfAnimState.CANCEL, LINEAR, 0);
         if (mLauncherTransitionController != null) {
-            mLauncherTransitionController.getAnimationPlayer().end();
+            // End the animation, but stay at the same visual progress.
+            mLauncherTransitionController.getNormalController().dispatchSetInterpolator(
+                    t -> Utilities.boundToRange(mCurrentShift.value, 0, 1));
+            mLauncherTransitionController.getNormalController().getAnimationPlayer().end();
             mLauncherTransitionController = null;
         }
     }
diff --git a/quickstep/recents_ui_overrides/src/com/android/quickstep/FallbackActivityInterface.java b/quickstep/recents_ui_overrides/src/com/android/quickstep/FallbackActivityInterface.java
index d1da0c1..3898f0b 100644
--- a/quickstep/recents_ui_overrides/src/com/android/quickstep/FallbackActivityInterface.java
+++ b/quickstep/recents_ui_overrides/src/com/android/quickstep/FallbackActivityInterface.java
@@ -27,11 +27,11 @@
 
 import com.android.launcher3.DeviceProfile;
 import com.android.launcher3.R;
-import com.android.launcher3.anim.AnimatorPlaybackController;
 import com.android.launcher3.touch.PagedOrientationHandler;
 import com.android.launcher3.userevent.nano.LauncherLogProto;
 import com.android.quickstep.fallback.RecentsState;
 import com.android.quickstep.util.ActivityInitListener;
+import com.android.quickstep.util.AnimatorControllerWithResistance;
 import com.android.quickstep.views.RecentsView;
 import com.android.systemui.shared.system.RemoteAnimationTargetCompat;
 
@@ -84,7 +84,7 @@
     /** 6 */
     @Override
     public AnimationFactory prepareRecentsUI(RecentsAnimationDeviceState deviceState,
-            boolean activityVisible, Consumer<AnimatorPlaybackController> callback) {
+            boolean activityVisible, Consumer<AnimatorControllerWithResistance> callback) {
         DefaultAnimationFactory factory = new DefaultAnimationFactory(callback);
         factory.initUI();
         return factory;
diff --git a/quickstep/recents_ui_overrides/src/com/android/quickstep/LauncherActivityInterface.java b/quickstep/recents_ui_overrides/src/com/android/quickstep/LauncherActivityInterface.java
index 7cd49fe..cd4be18 100644
--- a/quickstep/recents_ui_overrides/src/com/android/quickstep/LauncherActivityInterface.java
+++ b/quickstep/recents_ui_overrides/src/com/android/quickstep/LauncherActivityInterface.java
@@ -39,7 +39,6 @@
 import com.android.launcher3.LauncherState;
 import com.android.launcher3.R;
 import com.android.launcher3.allapps.DiscoveryBounce;
-import com.android.launcher3.anim.AnimatorPlaybackController;
 import com.android.launcher3.anim.PendingAnimation;
 import com.android.launcher3.appprediction.PredictionUiStateManager;
 import com.android.launcher3.statehandlers.DepthController;
@@ -50,6 +49,7 @@
 import com.android.launcher3.userevent.nano.LauncherLogProto;
 import com.android.quickstep.SysUINavigationMode.Mode;
 import com.android.quickstep.util.ActivityInitListener;
+import com.android.quickstep.util.AnimatorControllerWithResistance;
 import com.android.quickstep.util.LayoutUtils;
 import com.android.quickstep.util.ShelfPeekAnim.ShelfAnimState;
 import com.android.quickstep.views.RecentsView;
@@ -119,7 +119,7 @@
 
     @Override
     public AnimationFactory prepareRecentsUI(RecentsAnimationDeviceState deviceState,
-            boolean activityVisible, Consumer<AnimatorPlaybackController> callback) {
+            boolean activityVisible, Consumer<AnimatorControllerWithResistance> callback) {
         notifyRecentsOfOrientation(deviceState.getRotationTouchHelper());
         DefaultAnimationFactory factory = new DefaultAnimationFactory(callback) {
             @Override
diff --git a/quickstep/recents_ui_overrides/src/com/android/quickstep/OverscrollPluginFactory.java b/quickstep/recents_ui_overrides/src/com/android/quickstep/OverscrollPluginFactory.java
new file mode 100644
index 0000000..4c261ab
--- /dev/null
+++ b/quickstep/recents_ui_overrides/src/com/android/quickstep/OverscrollPluginFactory.java
@@ -0,0 +1,40 @@
+/*
+ * Copyright (C) 2020 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.android.quickstep;
+
+import static com.android.launcher3.util.MainThreadInitializedObject.forOverride;
+
+import com.android.launcher3.R;
+import com.android.launcher3.util.MainThreadInitializedObject;
+import com.android.launcher3.util.ResourceBasedOverride;
+import com.android.systemui.plugins.OverscrollPlugin;
+
+/**
+ * Resource overrideable factory for forcing a local overscroll plugin.
+ * Override {@link R.string#overscroll_plugin_factory_class} to set a different class.
+ */
+public class OverscrollPluginFactory implements ResourceBasedOverride {
+    public static final MainThreadInitializedObject<OverscrollPluginFactory> INSTANCE = forOverride(
+            OverscrollPluginFactory.class,
+            R.string.overscroll_plugin_factory_class);
+
+    /**
+     * Get the plugin that is defined locally in launcher, as opposed to a dynamic side loaded one.
+     */
+    public OverscrollPlugin getLocalOverscrollPlugin() {
+        return null;
+    }
+}
diff --git a/quickstep/recents_ui_overrides/src/com/android/quickstep/QuickstepTestInformationHandler.java b/quickstep/recents_ui_overrides/src/com/android/quickstep/QuickstepTestInformationHandler.java
index 6f4d34c..5026f36 100644
--- a/quickstep/recents_ui_overrides/src/com/android/quickstep/QuickstepTestInformationHandler.java
+++ b/quickstep/recents_ui_overrides/src/com/android/quickstep/QuickstepTestInformationHandler.java
@@ -58,6 +58,12 @@
                         FeatureFlags.ENABLE_OVERVIEW_ACTIONS.get());
                 return response;
             }
+
+            case TestProtocol.REQUEST_OVERVIEW_SHARE_ENABLED: {
+                response.putBoolean(TestProtocol.TEST_INFO_RESPONSE_FIELD,
+                        FeatureFlags.ENABLE_OVERVIEW_SHARE.get());
+                return response;
+            }
         }
 
         return super.call(method);
diff --git a/quickstep/recents_ui_overrides/src/com/android/quickstep/SwipeUpAnimationLogic.java b/quickstep/recents_ui_overrides/src/com/android/quickstep/SwipeUpAnimationLogic.java
index e54a21c..2963b6c 100644
--- a/quickstep/recents_ui_overrides/src/com/android/quickstep/SwipeUpAnimationLogic.java
+++ b/quickstep/recents_ui_overrides/src/com/android/quickstep/SwipeUpAnimationLogic.java
@@ -16,7 +16,7 @@
 package com.android.quickstep;
 
 import static com.android.launcher3.anim.Interpolators.ACCEL_1_5;
-import static com.android.launcher3.anim.Interpolators.DEACCEL;
+import static com.android.launcher3.anim.Interpolators.LINEAR;
 
 import android.animation.Animator;
 import android.content.Context;
@@ -24,7 +24,6 @@
 import android.graphics.Matrix.ScaleToFit;
 import android.graphics.Rect;
 import android.graphics.RectF;
-import android.view.animation.Interpolator;
 
 import androidx.annotation.NonNull;
 import androidx.annotation.UiThread;
@@ -35,6 +34,7 @@
 import com.android.launcher3.anim.AnimatorPlaybackController;
 import com.android.launcher3.anim.PendingAnimation;
 import com.android.launcher3.touch.PagedOrientationHandler;
+import com.android.quickstep.util.AnimatorControllerWithResistance;
 import com.android.quickstep.util.RectFSpringAnim;
 import com.android.quickstep.util.TaskViewSimulator;
 import com.android.quickstep.util.TransformParams;
@@ -45,7 +45,6 @@
 public abstract class SwipeUpAnimationLogic {
 
     protected static final Rect TEMP_RECT = new Rect();
-    private static final Interpolator PULLBACK_INTERPOLATOR = DEACCEL;
 
     protected DeviceProfile mDp;
 
@@ -66,12 +65,8 @@
     protected int mTransitionDragLength;
     // How much further we can drag past recents, as a factor of mTransitionDragLength.
     protected float mDragLengthFactor = 1;
-    // Start resisting when swiping past this factor of mTransitionDragLength.
-    private float mDragLengthFactorStartPullback = 1f;
-    // This is how far down we can scale down, where 0f is full screen and 1f is recents.
-    private float mDragLengthFactorMaxPullback = 1f;
 
-    protected AnimatorPlaybackController mWindowTransitionController;
+    protected AnimatorControllerWithResistance mWindowTransitionController;
 
     public SwipeUpAnimationLogic(Context context, RecentsAnimationDeviceState deviceState,
             GestureState gestureState, TransformParams transformParams) {
@@ -97,19 +92,17 @@
         if (mDeviceState.isFullyGesturalNavMode()) {
             // We can drag all the way to the top of the screen.
             mDragLengthFactor = (float) dp.heightPx / mTransitionDragLength;
-
-            float startScale = mTaskViewSimulator.getFullScreenScale();
-            // Start pulling back when RecentsView scale is 0.75f, and let it go down to 0.5f.
-            mDragLengthFactorStartPullback = (0.75f - startScale) / (1 - startScale);
-            mDragLengthFactorMaxPullback = (0.5f - startScale) / (1 - startScale);
         } else {
-            mDragLengthFactor = 1;
-            mDragLengthFactorStartPullback = mDragLengthFactorMaxPullback = 1;
+            mDragLengthFactor = 1 + AnimatorControllerWithResistance.TWO_BUTTON_EXTRA_DRAG_FACTOR;
         }
 
         PendingAnimation pa = new PendingAnimation(mTransitionDragLength * 2);
-        mTaskViewSimulator.addAppToOverviewAnim(pa, t -> t * mDragLengthFactor);
-        mWindowTransitionController = pa.createPlaybackController();
+        mTaskViewSimulator.addAppToOverviewAnim(pa, LINEAR);
+        AnimatorPlaybackController normalController = pa.createPlaybackController();
+        mWindowTransitionController = AnimatorControllerWithResistance.createForRecents(
+                normalController, mContext, mTaskViewSimulator.getOrientationState(),
+                mDp, mTaskViewSimulator.recentsViewScale, AnimatedFloat.VALUE,
+                mTaskViewSimulator.recentsViewSecondaryTranslation, AnimatedFloat.VALUE);
     }
 
     @UiThread
@@ -122,13 +115,6 @@
         } else {
             float translation = Math.max(displacement, 0);
             shift = mTransitionDragLength == 0 ? 0 : translation / mTransitionDragLength;
-            if (shift > mDragLengthFactorStartPullback) {
-                float pullbackProgress = Utilities.getProgress(shift,
-                        mDragLengthFactorStartPullback, mDragLengthFactor);
-                pullbackProgress = PULLBACK_INTERPOLATOR.getInterpolation(pullbackProgress);
-                shift = mDragLengthFactorStartPullback + pullbackProgress
-                        * (mDragLengthFactorMaxPullback - mDragLengthFactorStartPullback);
-            }
         }
 
         mCurrentShift.updateValue(shift);
@@ -183,7 +169,7 @@
             HomeAnimationFactory homeAnimationFactory) {
         final RectF targetRect = homeAnimationFactory.getWindowTargetRect();
 
-        mWindowTransitionController.setPlayFraction(startProgress / mDragLengthFactor);
+        mCurrentShift.updateValue(startProgress);
         mTaskViewSimulator.apply(mTransformParams.setProgress(startProgress));
         RectF cropRectF = new RectF(mTaskViewSimulator.getCurrentCropRect());
 
diff --git a/quickstep/recents_ui_overrides/src/com/android/quickstep/TaskOverlayFactory.java b/quickstep/recents_ui_overrides/src/com/android/quickstep/TaskOverlayFactory.java
index db512fa..36579ec 100644
--- a/quickstep/recents_ui_overrides/src/com/android/quickstep/TaskOverlayFactory.java
+++ b/quickstep/recents_ui_overrides/src/com/android/quickstep/TaskOverlayFactory.java
@@ -18,7 +18,6 @@
 
 import static android.view.Surface.ROTATION_0;
 
-import static com.android.launcher3.util.MainThreadInitializedObject.forOverride;
 import static com.android.quickstep.views.OverviewActionsView.DISABLED_NO_THUMBNAIL;
 import static com.android.quickstep.views.OverviewActionsView.DISABLED_ROTATED;
 
@@ -39,13 +38,11 @@
 import com.android.launcher3.model.data.ItemInfo;
 import com.android.launcher3.model.data.WorkspaceItemInfo;
 import com.android.launcher3.popup.SystemShortcut;
-import com.android.launcher3.util.MainThreadInitializedObject;
 import com.android.launcher3.util.ResourceBasedOverride;
 import com.android.quickstep.util.RecentsOrientedState;
 import com.android.quickstep.views.OverviewActionsView;
 import com.android.quickstep.views.TaskThumbnailView;
 import com.android.quickstep.views.TaskView;
-import com.android.systemui.plugins.OverscrollPlugin;
 import com.android.systemui.shared.recents.model.Task;
 import com.android.systemui.shared.recents.model.ThumbnailData;
 
@@ -91,20 +88,22 @@
         return shortcuts;
     }
 
-    public static final MainThreadInitializedObject<TaskOverlayFactory> INSTANCE =
-            forOverride(TaskOverlayFactory.class, R.string.task_overlay_factory_class);
-
-    /**
-     * @return a launcher-provided OverscrollPlugin if available, otherwise null
-     */
-    public OverscrollPlugin getLocalOverscrollPlugin() {
-        return null;
-    }
-
     public TaskOverlay createOverlay(TaskThumbnailView thumbnailView) {
         return new TaskOverlay(thumbnailView);
     }
 
+    /**
+     * Subclasses can attach any system listeners in this method, must be paired with
+     * {@link #removeListeners()}
+     */
+    public void initListeners() { }
+
+    /**
+     * Subclasses should remove any system listeners in this method, must be paired with
+     * {@link #initListeners()}
+     */
+    public void removeListeners() { }
+
     /** Note that these will be shown in order from top to bottom, if available for the task. */
     private static final TaskShortcutFactory[] MENU_OPTIONS = new TaskShortcutFactory[]{
             TaskShortcutFactory.APP_INFO,
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 13adff5..7b91001 100644
--- a/quickstep/recents_ui_overrides/src/com/android/quickstep/TouchInteractionService.java
+++ b/quickstep/recents_ui_overrides/src/com/android/quickstep/TouchInteractionService.java
@@ -597,9 +597,8 @@
             if (FeatureFlags.ENABLE_QUICK_CAPTURE_GESTURE.get()) {
                 OverscrollPlugin plugin = null;
                 if (FeatureFlags.FORCE_LOCAL_OVERSCROLL_PLUGIN.get()) {
-                    TaskOverlayFactory factory =
-                            TaskOverlayFactory.INSTANCE.get(getApplicationContext());
-                    plugin = factory.getLocalOverscrollPlugin();  // may be null
+                    plugin = OverscrollPluginFactory.INSTANCE.get(
+                            getApplicationContext()).getLocalOverscrollPlugin();
                 }
 
                 // If not local plugin was forced, use the actual overscroll plugin if available.
diff --git a/quickstep/recents_ui_overrides/src/com/android/quickstep/fallback/FallbackRecentsStateController.java b/quickstep/recents_ui_overrides/src/com/android/quickstep/fallback/FallbackRecentsStateController.java
index 163c232..24a7610 100644
--- a/quickstep/recents_ui_overrides/src/com/android/quickstep/fallback/FallbackRecentsStateController.java
+++ b/quickstep/recents_ui_overrides/src/com/android/quickstep/fallback/FallbackRecentsStateController.java
@@ -19,6 +19,7 @@
 import static com.android.launcher3.states.StateAnimationConfig.ANIM_OVERVIEW_MODAL;
 import static com.android.launcher3.states.StateAnimationConfig.ANIM_OVERVIEW_SCALE;
 import static com.android.launcher3.states.StateAnimationConfig.ANIM_OVERVIEW_TRANSLATE_X;
+import static com.android.launcher3.states.StateAnimationConfig.ANIM_OVERVIEW_TRANSLATE_Y;
 import static com.android.launcher3.states.StateAnimationConfig.PLAY_ATOMIC_OVERVIEW_PEEK;
 import static com.android.launcher3.states.StateAnimationConfig.PLAY_ATOMIC_OVERVIEW_SCALE;
 import static com.android.launcher3.states.StateAnimationConfig.SKIP_OVERVIEW;
@@ -26,6 +27,7 @@
 import static com.android.quickstep.views.RecentsView.FULLSCREEN_PROGRESS;
 import static com.android.quickstep.views.RecentsView.RECENTS_SCALE_PROPERTY;
 import static com.android.quickstep.views.RecentsView.TASK_MODALNESS;
+import static com.android.quickstep.views.RecentsView.TASK_SECONDARY_TRANSLATION;
 
 import com.android.launcher3.anim.PendingAnimation;
 import com.android.launcher3.anim.PropertySetter;
@@ -86,6 +88,8 @@
                 config.getInterpolator(ANIM_OVERVIEW_SCALE, LINEAR));
         setter.setFloat(mRecentsView, ADJACENT_PAGE_OFFSET, scaleAndOffset[1],
                 config.getInterpolator(ANIM_OVERVIEW_TRANSLATE_X, LINEAR));
+        setter.setFloat(mRecentsView, TASK_SECONDARY_TRANSLATION, 0f,
+                config.getInterpolator(ANIM_OVERVIEW_TRANSLATE_Y, LINEAR));
 
         setter.setFloat(mRecentsView, TASK_MODALNESS, state.getOverviewModalness(),
                 config.getInterpolator(ANIM_OVERVIEW_MODAL, LINEAR));
diff --git a/quickstep/recents_ui_overrides/src/com/android/quickstep/fallback/RecentsState.java b/quickstep/recents_ui_overrides/src/com/android/quickstep/fallback/RecentsState.java
index 211a30c..f15a9de 100644
--- a/quickstep/recents_ui_overrides/src/com/android/quickstep/fallback/RecentsState.java
+++ b/quickstep/recents_ui_overrides/src/com/android/quickstep/fallback/RecentsState.java
@@ -90,7 +90,6 @@
         return new float[] { NO_SCALE, NO_OFFSET };
     }
 
-
     private static class ModalState extends RecentsState {
 
         public ModalState(int id, int flags) {
diff --git a/quickstep/recents_ui_overrides/src/com/android/quickstep/util/OverviewToHomeAnim.java b/quickstep/recents_ui_overrides/src/com/android/quickstep/util/OverviewToHomeAnim.java
new file mode 100644
index 0000000..6278e14
--- /dev/null
+++ b/quickstep/recents_ui_overrides/src/com/android/quickstep/util/OverviewToHomeAnim.java
@@ -0,0 +1,146 @@
+/*
+ * Copyright (C) 2020 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.android.quickstep.util;
+
+import static com.android.launcher3.LauncherState.NORMAL;
+import static com.android.launcher3.LauncherState.OVERVIEW;
+import static com.android.launcher3.anim.Interpolators.DEACCEL;
+import static com.android.launcher3.anim.Interpolators.FINAL_FRAME;
+import static com.android.launcher3.anim.Interpolators.INSTANT;
+import static com.android.launcher3.states.StateAnimationConfig.ANIM_ALL_COMPONENTS;
+import static com.android.launcher3.states.StateAnimationConfig.ANIM_OVERVIEW_ACTIONS_FADE;
+import static com.android.launcher3.states.StateAnimationConfig.ANIM_OVERVIEW_SCALE;
+import static com.android.launcher3.states.StateAnimationConfig.ANIM_OVERVIEW_TRANSLATE_X;
+import static com.android.launcher3.states.StateAnimationConfig.ANIM_OVERVIEW_TRANSLATE_Y;
+import static com.android.launcher3.states.StateAnimationConfig.PLAY_ATOMIC_OVERVIEW_PEEK;
+
+import android.animation.Animator;
+import android.animation.AnimatorSet;
+import android.util.Log;
+import android.view.animation.Interpolator;
+
+import com.android.launcher3.Launcher;
+import com.android.launcher3.LauncherState;
+import com.android.launcher3.anim.AnimationSuccessListener;
+import com.android.launcher3.statemanager.StateManager;
+import com.android.launcher3.states.StateAnimationConfig;
+import com.android.quickstep.views.RecentsView;
+
+/**
+ * Runs an animation from overview to home. Currently, this animation is just a wrapper around the
+ * normal state transition, in order to keep RecentsView at the same scale and translationY that
+ * it started out at as it translates offscreen. It also scrolls RecentsView to page 0 and may play
+ * a {@link StaggeredWorkspaceAnim} if we're starting from an upward fling.
+ */
+public class OverviewToHomeAnim {
+
+    private static final String TAG = "OverviewToHomeAnim";
+
+    // Constants to specify how to scroll RecentsView to the default page if it's not already there.
+    private static final int DEFAULT_PAGE = 0;
+    private static final int PER_PAGE_SCROLL_DURATION = 150;
+    private static final int MAX_PAGE_SCROLL_DURATION = 750;
+
+    private final Launcher mLauncher;
+    private final Runnable mOnReachedHome;
+
+    // Only run mOnReachedHome when both of these are true.
+    private boolean mIsHomeStaggeredAnimFinished;
+    private boolean mIsOverviewHidden;
+
+    public OverviewToHomeAnim(Launcher launcher, Runnable onReachedHome) {
+        mLauncher = launcher;
+        mOnReachedHome = onReachedHome;
+    }
+
+    /**
+     * Starts the animation. If velocity < 0 (i.e. upwards), also plays a
+     * {@link StaggeredWorkspaceAnim}.
+     */
+    public void animateWithVelocity(float velocity) {
+        StateManager<LauncherState> stateManager = mLauncher.getStateManager();
+        LauncherState startState = stateManager.getState();
+        if (startState != OVERVIEW) {
+            Log.e(TAG, "animateFromOverviewToHome: unexpected start state " + startState);
+        }
+        AnimatorSet anim = new AnimatorSet();
+
+        boolean playStaggeredWorkspaceAnim = velocity < 0;
+        if (playStaggeredWorkspaceAnim) {
+            StaggeredWorkspaceAnim staggeredWorkspaceAnim = new StaggeredWorkspaceAnim(
+                    mLauncher, velocity, false /* animateOverviewScrim */);
+            staggeredWorkspaceAnim.addAnimatorListener(new AnimationSuccessListener() {
+                @Override
+                public void onAnimationSuccess(Animator animator) {
+                    mIsHomeStaggeredAnimFinished = true;
+                    maybeOverviewToHomeAnimComplete();
+                }
+            });
+            anim.play(staggeredWorkspaceAnim.getAnimators());
+        } else {
+            mIsHomeStaggeredAnimFinished = true;
+        }
+
+        RecentsView recentsView = mLauncher.getOverviewPanel();
+        int numPagesToScroll = recentsView.getNextPage() - DEFAULT_PAGE;
+        int scrollDuration = Math.min(MAX_PAGE_SCROLL_DURATION,
+                numPagesToScroll * PER_PAGE_SCROLL_DURATION);
+        int duration = Math.max(scrollDuration, startState.getTransitionDuration(mLauncher));
+
+        StateAnimationConfig config = new UseFirstInterpolatorStateAnimConfig();
+        config.duration = duration;
+        config.animFlags = playStaggeredWorkspaceAnim
+                // StaggeredWorkspaceAnim doesn't animate overview, so we handle it here.
+                ? PLAY_ATOMIC_OVERVIEW_PEEK
+                : ANIM_ALL_COMPONENTS;
+        config.setInterpolator(ANIM_OVERVIEW_TRANSLATE_X, DEACCEL);
+        config.setInterpolator(ANIM_OVERVIEW_TRANSLATE_Y, FINAL_FRAME);
+        config.setInterpolator(ANIM_OVERVIEW_SCALE, FINAL_FRAME);
+        config.setInterpolator(ANIM_OVERVIEW_ACTIONS_FADE, INSTANT);
+        AnimatorSet stateAnim = stateManager.createAtomicAnimation(
+                startState, NORMAL, config);
+        stateAnim.addListener(new AnimationSuccessListener() {
+            @Override
+            public void onAnimationSuccess(Animator animator) {
+                mIsOverviewHidden = true;
+                maybeOverviewToHomeAnimComplete();
+            }
+        });
+        anim.play(stateAnim);
+        stateManager.setCurrentAnimation(anim, NORMAL);
+        anim.start();
+        recentsView.snapToPage(DEFAULT_PAGE, duration);
+    }
+
+    private void maybeOverviewToHomeAnimComplete() {
+        if (mIsHomeStaggeredAnimFinished && mIsOverviewHidden) {
+            mOnReachedHome.run();
+        }
+    }
+
+    /**
+     * Wrapper around StateAnimationConfig that doesn't allow interpolators to be set if they are
+     * already set. This ensures they aren't overridden before being used.
+     */
+    private static class UseFirstInterpolatorStateAnimConfig extends StateAnimationConfig {
+        @Override
+        public void setInterpolator(int animId, Interpolator interpolator) {
+            if (mInterpolators[animId] == null || interpolator == null) {
+                super.setInterpolator(animId, interpolator);
+            }
+        }
+    }
+}
diff --git a/quickstep/recents_ui_overrides/src/com/android/quickstep/util/TaskViewSimulator.java b/quickstep/recents_ui_overrides/src/com/android/quickstep/util/TaskViewSimulator.java
index c5918fe..db64464 100644
--- a/quickstep/recents_ui_overrides/src/com/android/quickstep/util/TaskViewSimulator.java
+++ b/quickstep/recents_ui_overrides/src/com/android/quickstep/util/TaskViewSimulator.java
@@ -90,6 +90,7 @@
     // RecentsView properties
     public final AnimatedFloat recentsViewScale = new AnimatedFloat();
     public final AnimatedFloat fullScreenProgress = new AnimatedFloat();
+    public final AnimatedFloat recentsViewSecondaryTranslation = new AnimatedFloat();
     private final ScrollState mScrollState = new ScrollState();
 
     // Cached calculations
@@ -274,8 +275,10 @@
         mOrientationState.getOrientationHandler().set(
                 mMatrix, MATRIX_POST_TRANSLATE, mScrollState.scroll);
 
-        // Apply recensView matrix
+        // Apply RecentsView matrix
         mMatrix.postScale(recentsViewScale.value, recentsViewScale.value, mPivot.x, mPivot.y);
+        mOrientationState.getOrientationHandler().setSecondary(mMatrix, MATRIX_POST_TRANSLATE,
+                recentsViewSecondaryTranslation.value);
         applyWindowToHomeRotation(mMatrix);
 
         // Crop rect is the inverse of thumbnail matrix
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 79028d1..b934c29 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
@@ -51,6 +51,7 @@
 import com.android.launcher3.views.ScrimView;
 import com.android.quickstep.LauncherActivityInterface;
 import com.android.quickstep.SysUINavigationMode;
+import com.android.quickstep.util.OverviewToHomeAnim;
 import com.android.quickstep.util.TransformParams;
 import com.android.systemui.plugins.PluginListener;
 import com.android.systemui.plugins.RecentsExtraCard;
@@ -105,12 +106,14 @@
 
     @Override
     public void startHome() {
+        Runnable onReachedHome = () -> mActivity.getStateManager().goToState(NORMAL, false);
+        OverviewToHomeAnim overviewToHomeAnim = new OverviewToHomeAnim(mActivity, onReachedHome);
         if (ENABLE_QUICKSTEP_LIVE_TILE.get()) {
             switchToScreenshot(null,
                     () -> finishRecentsAnimation(true /* toRecents */,
-                            () -> mActivity.getStateManager().goToState(NORMAL)));
+                            () -> overviewToHomeAnim.animateWithVelocity(0)));
         } else {
-            mActivity.getStateManager().goToState(NORMAL);
+            overviewToHomeAnim.animateWithVelocity(0);
         }
     }
 
diff --git a/quickstep/recents_ui_overrides/src/com/android/quickstep/views/OverviewActionsView.java b/quickstep/recents_ui_overrides/src/com/android/quickstep/views/OverviewActionsView.java
index 79d57c5..1bf2fbf 100644
--- a/quickstep/recents_ui_overrides/src/com/android/quickstep/views/OverviewActionsView.java
+++ b/quickstep/recents_ui_overrides/src/com/android/quickstep/views/OverviewActionsView.java
@@ -105,6 +105,7 @@
     public OverviewActionsView(Context context, @Nullable AttributeSet attrs, int defStyleAttr) {
         super(context, attrs, defStyleAttr, 0);
         mMultiValueAlpha = new MultiValueAlpha(this, 4);
+        mMultiValueAlpha.setUpdateVisibility(true);
     }
 
     @Override
@@ -168,7 +169,6 @@
         }
         boolean isHidden = mHiddenFlags != 0;
         mMultiValueAlpha.getProperty(INDEX_HIDDEN_FLAGS_ALPHA).setValue(isHidden ? 0 : 1);
-        setVisibility(isHidden ? INVISIBLE : VISIBLE);
     }
 
     /**
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 857a020..1d17f5a 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
@@ -24,6 +24,7 @@
 import static com.android.launcher3.InvariantDeviceProfile.CHANGE_FLAG_ICON_PARAMS;
 import static com.android.launcher3.LauncherAnimUtils.VIEW_ALPHA;
 import static com.android.launcher3.LauncherState.BACKGROUND_APP;
+import static com.android.launcher3.LauncherState.OVERVIEW_MODAL_TASK;
 import static com.android.launcher3.Utilities.EDGE_NAV_BAR;
 import static com.android.launcher3.Utilities.mapToRange;
 import static com.android.launcher3.Utilities.squaredHypot;
@@ -93,6 +94,7 @@
 import com.android.launcher3.DeviceProfile;
 import com.android.launcher3.Insettable;
 import com.android.launcher3.InvariantDeviceProfile;
+import com.android.launcher3.LauncherState;
 import com.android.launcher3.PagedView;
 import com.android.launcher3.R;
 import com.android.launcher3.Utilities;
@@ -115,6 +117,7 @@
 import com.android.launcher3.util.DynamicResource;
 import com.android.launcher3.util.MultiValueAlpha;
 import com.android.launcher3.util.OverScroller;
+import com.android.launcher3.util.ResourceBasedOverride.Overrides;
 import com.android.launcher3.util.Themes;
 import com.android.launcher3.util.ViewPool;
 import com.android.quickstep.BaseActivityInterface;
@@ -123,6 +126,7 @@
 import com.android.quickstep.RecentsModel;
 import com.android.quickstep.RecentsModel.TaskVisualsChangeListener;
 import com.android.quickstep.SystemUiProxy;
+import com.android.quickstep.TaskOverlayFactory;
 import com.android.quickstep.TaskThumbnailCache;
 import com.android.quickstep.TaskUtils;
 import com.android.quickstep.ViewUtils;
@@ -210,6 +214,19 @@
                 }
             };
 
+    public static final FloatProperty<RecentsView> TASK_SECONDARY_TRANSLATION =
+            new FloatProperty<RecentsView>("taskSecondaryTranslation") {
+                @Override
+                public void setValue(RecentsView recentsView, float v) {
+                    recentsView.setTaskViewsSecondaryTranslation(v);
+                }
+
+                @Override
+                public Float get(RecentsView recentsView) {
+                    return recentsView.mTaskViewsSecondaryTranslation;
+                }
+            };
+
     /** Same as normal SCALE_PROPERTY, but also updates page offsets that depend on this scale. */
     public static final FloatProperty<RecentsView> RECENTS_SCALE_PROPERTY =
             new FloatProperty<RecentsView>("recentsScale") {
@@ -219,6 +236,7 @@
                     view.setScaleY(scale);
                     view.mLastComputedTaskPushOutDistance = null;
                     view.updatePageOffsets();
+                    view.setTaskViewsSecondaryTranslation(view.mTaskViewsSecondaryTranslation);
                 }
 
                 @Override
@@ -263,12 +281,15 @@
 
     private final ViewPool<TaskView> mTaskViewPool;
 
+    private final TaskOverlayFactory mTaskOverlayFactory;
+
     private boolean mDwbToastShown;
     protected boolean mDisallowScrollToClearAll;
     private boolean mOverlayEnabled;
     protected boolean mFreezeViewVisibility;
 
     private float mAdjacentPageOffset = 0;
+    private float mTaskViewsSecondaryTranslation = 0;
 
     /**
      * TODO: Call reloadIdNeeded in onTaskStackChanged.
@@ -449,6 +470,11 @@
         updateEmptyMessage();
         mOrientationHandler = mOrientationState.getOrientationHandler();
 
+        mTaskOverlayFactory = Overrides.getObject(
+                TaskOverlayFactory.class,
+                context.getApplicationContext(),
+                R.string.task_overlay_factory_class);
+
         // Initialize quickstep specific cache params here, as this is constructed only once
         mActivity.getViewCache().setCacheSize(R.layout.digital_wellbeing_toast, 5);
     }
@@ -542,6 +568,7 @@
                 mIPinnedStackAnimationListener);
         mOrientationState.initListeners();
         SplitScreenBounds.INSTANCE.addOnChangeListener(this);
+        mTaskOverlayFactory.initListeners();
     }
 
     @Override
@@ -558,6 +585,7 @@
         SplitScreenBounds.INSTANCE.removeOnChangeListener(this);
         mIPinnedStackAnimationListener.setActivity(null);
         mOrientationState.destroyListeners();
+        mTaskOverlayFactory.removeListeners();
     }
 
     @Override
@@ -1391,7 +1419,7 @@
         FloatProperty<View> secondaryViewTranslate =
             mOrientationHandler.getSecondaryViewTranslate();
         int secondaryTaskDimension = mOrientationHandler.getSecondaryDimension(taskView);
-        int verticalFactor = mOrientationHandler.getTaskDismissDirectionFactor();
+        int verticalFactor = mOrientationHandler.getSecondaryTranslationDirectionFactor();
 
         ResourceProvider rp = DynamicResource.provider(mActivity);
         SpringProperty sp = new SpringProperty(SpringProperty.FLAG_CAN_SPRING_ON_START)
@@ -1697,6 +1725,12 @@
         if (mOrientationState.setRecentsRotation(mActivity.getDisplay().getRotation())) {
             updateOrientationHandler();
         }
+        // If overview is in modal state when rotate, reset it to overview state without running
+        // animation.
+        if (mActivity.isInState(OVERVIEW_MODAL_TASK)) {
+            mActivity.getStateManager().goToState(LauncherState.OVERVIEW, false);
+            resetModalVisuals();
+        }
     }
 
     public void setLayoutRotation(int touchRotation, int displayRotation) {
@@ -1853,7 +1887,9 @@
                     : i < modalMidpoint
                             ? modalLeftOffsetSize
                             : modalRightOffsetSize;
-            getChildAt(i).setTranslationX(translation + modalTranslation);
+            float totalTranslation = translation + modalTranslation;
+            mOrientationHandler.getPrimaryViewTranslate().set(getChildAt(i),
+                    totalTranslation * mOrientationHandler.getPrimaryTranslationDirectionFactor());
         }
         updateCurveProperties();
     }
@@ -1906,6 +1942,14 @@
         return distanceToOffscreen * offsetProgress;
     }
 
+    private void setTaskViewsSecondaryTranslation(float translation) {
+        mTaskViewsSecondaryTranslation = translation;
+        for (int i = 0; i < getTaskViewCount(); i++) {
+            TaskView task = getTaskViewAt(i);
+            mOrientationHandler.getSecondaryViewTranslate().set(task, translation / getScaleY());
+        }
+    }
+
     /**
      * TODO: Do not assume motion across X axis for adjacent page
      */
@@ -2290,7 +2334,14 @@
         if (pageIndex == -1) {
             return 0;
         }
-        return getScrollForPage(pageIndex) - mOrientationHandler.getPrimaryScroll(this);
+        // Unbound the scroll (due to overscroll) if the adjacent tasks are offset away from it.
+        // This allows the page to move freely, given there's no visual indication why it shouldn't.
+        int boundedScroll = mOrientationHandler.getPrimaryScroll(this);
+        int unboundedScroll = getUnboundedScroll();
+        float unboundedProgress = mAdjacentPageOffset;
+        int scroll = Math.round(unboundedScroll * unboundedProgress
+                + boundedScroll * (1 - unboundedProgress));
+        return getScrollForPage(pageIndex) - scroll;
     }
 
     public Consumer<MotionEvent> getEventDispatcher(float navbarRotation) {
@@ -2392,6 +2443,10 @@
      */
     public void setModalStateEnabled(boolean isModalState) { }
 
+    public TaskOverlayFactory getTaskOverlayFactory() {
+        return mTaskOverlayFactory;
+    }
+
     public BaseActivityInterface getSizeStrategy() {
         return mSizeStrategy;
     }
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 a8d6442..607672a 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
@@ -52,7 +52,6 @@
 import com.android.launcher3.util.MainThreadInitializedObject;
 import com.android.launcher3.util.SystemUiController;
 import com.android.launcher3.util.Themes;
-import com.android.quickstep.TaskOverlayFactory;
 import com.android.quickstep.TaskOverlayFactory.TaskOverlay;
 import com.android.quickstep.views.TaskView.FullscreenDrawParams;
 import com.android.systemui.plugins.OverviewScreenshotActions;
@@ -85,7 +84,7 @@
             };
 
     private final BaseActivity mActivity;
-    private final TaskOverlay mOverlay;
+    private TaskOverlay mOverlay;
     private final boolean mIsDarkTextTheme;
     private final Paint mPaint = new Paint(Paint.ANTI_ALIAS_FLAG);
     private final Paint mBackgroundPaint = new Paint(Paint.ANTI_ALIAS_FLAG);
@@ -118,7 +117,6 @@
 
     public TaskThumbnailView(Context context, AttributeSet attrs, int defStyleAttr) {
         super(context, attrs, defStyleAttr);
-        mOverlay = TaskOverlayFactory.INSTANCE.get(context).createOverlay(this);
         mPaint.setFilterBitmap(true);
         mBackgroundPaint.setColor(Color.WHITE);
         mClearPaint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.CLEAR));
@@ -134,7 +132,7 @@
      * @param task
      */
     public void bind(Task task) {
-        mOverlay.reset();
+        getTaskOverlay().reset();
         mTask = task;
         int color = task == null ? Color.BLACK : task.colorBackground | 0xFF000000;
         mPaint.setColor(color);
@@ -176,7 +174,7 @@
             mBitmapShader = null;
             mThumbnailData = null;
             mPaint.setShader(null);
-            mOverlay.reset();
+            getTaskOverlay().reset();
         }
         if (mOverviewScreenshotActionsPlugin != null) {
             mOverviewScreenshotActionsPlugin.setupActions(getTaskView(), getThumbnail(), mActivity);
@@ -200,6 +198,9 @@
     }
 
     public TaskOverlay getTaskOverlay() {
+        if (mOverlay == null) {
+            mOverlay = getTaskView().getRecentsView().getTaskOverlayFactory().createOverlay(this);
+        }
         return mOverlay;
     }
 
@@ -357,10 +358,10 @@
 
     private void updateOverlay() {
         if (mOverlayEnabled) {
-            mOverlay.initOverlay(mTask, mThumbnailData, mPreviewPositionHelper.mMatrix,
+            getTaskOverlay().initOverlay(mTask, mThumbnailData, mPreviewPositionHelper.mMatrix,
                     mPreviewPositionHelper.mIsOrientationChanged);
         } else {
-            mOverlay.reset();
+            getTaskOverlay().reset();
         }
     }
 
@@ -479,17 +480,18 @@
             boolean isOrientationDifferent;
             mClipBottom = -1;
 
+            int thumbnailRotation = thumbnailData.rotation;
+            int deltaRotate = getRotationDelta(currentRotation, thumbnailRotation);
+            Rect thumbnailInsets = getBoundedInsets(
+                    dp.getInsets(), thumbnailData.insets, deltaRotate);
+
             float scale = thumbnailData.scale;
-            Rect activityInsets = dp.getInsets();
-            Rect thumbnailInsets = getBoundedInsets(activityInsets, thumbnailData.insets);
             final float thumbnailWidth = thumbnailPosition.width()
                     - (thumbnailInsets.left + thumbnailInsets.right) * scale;
             final float thumbnailHeight = thumbnailPosition.height()
                     - (thumbnailInsets.top + thumbnailInsets.bottom) * scale;
 
             final float thumbnailScale;
-            int thumbnailRotation = thumbnailData.rotation;
-            int deltaRotate = getRotationDelta(currentRotation, thumbnailRotation);
 
             // Landscape vs portrait change
             boolean windowingModeSupportsRotation = !dp.isMultiWindowMode
@@ -558,7 +560,10 @@
             mIsOrientationChanged = isOrientationDifferent;
         }
 
-        private Rect getBoundedInsets(Rect activityInsets, Rect insets) {
+        private Rect getBoundedInsets(Rect activityInsets, Rect insets, int deltaRotation) {
+            if (deltaRotation != 0) {
+                return insets;
+            }
             return new Rect(Math.min(insets.left, activityInsets.left),
                     Math.min(insets.top, activityInsets.top),
                     Math.min(insets.right, activityInsets.right),
diff --git a/quickstep/res/values/config.xml b/quickstep/res/values/config.xml
index 0f2955b..a57112b 100644
--- a/quickstep/res/values/config.xml
+++ b/quickstep/res/values/config.xml
@@ -16,6 +16,8 @@
 <resources>
     <string name="task_overlay_factory_class" translatable="false"/>
 
+    <string name="overscroll_plugin_factory_class" translatable="false" />
+
     <!-- Activities which block home gesture -->
     <string-array name="gesture_blocking_activities" translatable="false">
         <item>com.android.launcher3/com.android.quickstep.interaction.GestureSandboxActivity</item>
diff --git a/quickstep/src/com/android/launcher3/model/WellbeingModel.java b/quickstep/src/com/android/launcher3/model/WellbeingModel.java
index f42b124..cc7b712 100644
--- a/quickstep/src/com/android/launcher3/model/WellbeingModel.java
+++ b/quickstep/src/com/android/launcher3/model/WellbeingModel.java
@@ -43,9 +43,11 @@
 import android.util.Log;
 
 import androidx.annotation.MainThread;
+import androidx.annotation.WorkerThread;
 
 import com.android.launcher3.BaseDraggingActivity;
 import com.android.launcher3.R;
+import com.android.launcher3.config.FeatureFlags;
 import com.android.launcher3.model.data.ItemInfo;
 import com.android.launcher3.popup.RemoteActionShortcut;
 import com.android.launcher3.popup.SystemShortcut;
@@ -57,6 +59,7 @@
 import java.util.Arrays;
 import java.util.HashMap;
 import java.util.Map;
+import java.util.function.Consumer;
 
 /**
  * Data model for digital wellbeing status of apps.
@@ -72,6 +75,9 @@
     private static final int MSG_FULL_REFRESH = 3;
 
     // Welbeing contract
+    private static final String PATH_ACTIONS = "actions";
+    private static final String PATH_MINIMAL_DEVICE = "minimal_device";
+    private static final String METHOD_GET_MINIMAL_DEVICE_CONFIG = "get_minimal_device_config";
     private static final String METHOD_GET_ACTIONS = "get_actions";
     private static final String EXTRA_ACTIONS = "actions";
     private static final String EXTRA_ACTION = "action";
@@ -104,15 +110,22 @@
         mContentObserver = new ContentObserver(MAIN_EXECUTOR.getHandler()) {
             @Override
             public void onChange(boolean selfChange, Uri uri) {
-                // Wellbeing reports that app actions have changed.
                 if (DEBUG || mIsInTest) {
-                    Log.d(TAG, "ContentObserver.onChange() called with: selfChange = [" + selfChange
-                            + "], uri = [" + uri + "]");
+                    Log.d(TAG, "ContentObserver.onChange() called with: selfChange = ["
+                            + selfChange + "], uri = [" + uri + "]");
                 }
                 Preconditions.assertUIThread();
-                updateWellbeingData();
+
+                if (uri.getPath().contains(PATH_ACTIONS)) {
+                    // Wellbeing reports that app actions have changed.
+                    updateWellbeingData();
+                } else if (uri.getPath().contains(PATH_MINIMAL_DEVICE)) {
+                    // Wellbeing reports that minimal device state or config is changed.
+                    updateLauncherModel();
+                }
             }
         };
+        FeatureFlags.ENABLE_MINIMAL_DEVICE.addChangeListener(mContext, this::updateLauncherModel);
 
         if (!TextUtils.isEmpty(mWellbeingProviderPkg)) {
             context.registerReceiver(
@@ -146,14 +159,18 @@
     private void restartObserver() {
         final ContentResolver resolver = mContext.getContentResolver();
         resolver.unregisterContentObserver(mContentObserver);
-        Uri actionsUri = apiBuilder().path("actions").build();
+        Uri actionsUri = apiBuilder().path(PATH_ACTIONS).build();
+        Uri minimalDeviceUri = apiBuilder().path(PATH_MINIMAL_DEVICE).build();
         try {
             resolver.registerContentObserver(
                     actionsUri, true /* notifyForDescendants */, mContentObserver);
+            resolver.registerContentObserver(
+                    minimalDeviceUri, true /* notifyForDescendants */, mContentObserver);
         } catch (Exception e) {
             Log.e(TAG, "Failed to register content observer for " + actionsUri + ": " + e);
             if (mIsInTest) throw new RuntimeException(e);
         }
+
         updateWellbeingData();
     }
 
@@ -191,12 +208,42 @@
         mWorkerHandler.sendEmptyMessage(MSG_FULL_REFRESH);
     }
 
+    private void updateLauncherModel() {
+        if (!FeatureFlags.ENABLE_MINIMAL_DEVICE.get()) return;
+
+        // TODO: init Launcher in minimal device / normal mode
+    }
+
     private Uri.Builder apiBuilder() {
         return new Uri.Builder()
                 .scheme(SCHEME_CONTENT)
                 .authority(mWellbeingProviderPkg + ".api");
     }
 
+    /**
+     * Fetch most up-to-date minimal device config.
+     */
+    @WorkerThread
+    private void runWithMinimalDeviceConfigs(Consumer<Bundle> consumer) {
+        if (DEBUG || mIsInTest) {
+            Log.d(TAG, "runWithMinimalDeviceConfigs() called");
+        }
+        Preconditions.assertNonUiThread();
+
+        final Uri contentUri = apiBuilder().build();
+        final Bundle remoteBundle;
+        try (ContentProviderClient client = mContext.getContentResolver()
+                .acquireUnstableContentProviderClient(contentUri)) {
+            remoteBundle = client.call(
+                    METHOD_GET_MINIMAL_DEVICE_CONFIG, null /* args */, null /* extras */);
+            consumer.accept(remoteBundle);
+        } catch (Exception e) {
+            Log.e(TAG, "Failed to retrieve data from " + contentUri + ": " + e);
+            if (mIsInTest) throw new RuntimeException(e);
+        }
+        if (DEBUG || mIsInTest) Log.i(TAG, "runWithMinimalDeviceConfigs(): finished");
+    }
+
     private boolean updateActions(String... packageNames) {
         if (packageNames.length == 0) {
             return true;
diff --git a/quickstep/src/com/android/launcher3/uioverrides/BaseRecentsViewStateController.java b/quickstep/src/com/android/launcher3/uioverrides/BaseRecentsViewStateController.java
index 6e120e8..1b8e244 100644
--- a/quickstep/src/com/android/launcher3/uioverrides/BaseRecentsViewStateController.java
+++ b/quickstep/src/com/android/launcher3/uioverrides/BaseRecentsViewStateController.java
@@ -24,11 +24,13 @@
 import static com.android.launcher3.states.StateAnimationConfig.ANIM_OVERVIEW_SCALE;
 import static com.android.launcher3.states.StateAnimationConfig.ANIM_OVERVIEW_SCRIM_FADE;
 import static com.android.launcher3.states.StateAnimationConfig.ANIM_OVERVIEW_TRANSLATE_X;
+import static com.android.launcher3.states.StateAnimationConfig.ANIM_OVERVIEW_TRANSLATE_Y;
 import static com.android.launcher3.states.StateAnimationConfig.PLAY_ATOMIC_OVERVIEW_PEEK;
 import static com.android.launcher3.states.StateAnimationConfig.PLAY_ATOMIC_OVERVIEW_SCALE;
 import static com.android.launcher3.states.StateAnimationConfig.SKIP_OVERVIEW;
 import static com.android.quickstep.views.RecentsView.ADJACENT_PAGE_OFFSET;
 import static com.android.quickstep.views.RecentsView.RECENTS_SCALE_PROPERTY;
+import static com.android.quickstep.views.RecentsView.TASK_SECONDARY_TRANSLATION;
 
 import android.util.FloatProperty;
 
@@ -63,6 +65,7 @@
         float[] scaleAndOffset = state.getOverviewScaleAndOffset(mLauncher);
         RECENTS_SCALE_PROPERTY.set(mRecentsView, scaleAndOffset[0]);
         ADJACENT_PAGE_OFFSET.set(mRecentsView, scaleAndOffset[1]);
+        TASK_SECONDARY_TRANSLATION.set(mRecentsView, 0f);
 
         getContentAlphaProperty().set(mRecentsView, state.overviewUi ? 1f : 0);
         OverviewScrim scrim = mLauncher.getDragLayer().getOverviewScrim();
@@ -97,6 +100,8 @@
                 config.getInterpolator(ANIM_OVERVIEW_SCALE, LINEAR));
         setter.setFloat(mRecentsView, ADJACENT_PAGE_OFFSET, scaleAndOffset[1],
                 config.getInterpolator(ANIM_OVERVIEW_TRANSLATE_X, LINEAR));
+        setter.setFloat(mRecentsView, TASK_SECONDARY_TRANSLATION, 0f,
+                config.getInterpolator(ANIM_OVERVIEW_TRANSLATE_Y, LINEAR));
 
         setter.setFloat(mRecentsView, getContentAlphaProperty(), toState.overviewUi ? 1 : 0,
                 config.getInterpolator(ANIM_OVERVIEW_FADE, AGGRESSIVE_EASE_IN_OUT));
diff --git a/quickstep/src/com/android/launcher3/uioverrides/states/AllAppsState.java b/quickstep/src/com/android/launcher3/uioverrides/states/AllAppsState.java
index e7cd393..29a6be0 100644
--- a/quickstep/src/com/android/launcher3/uioverrides/states/AllAppsState.java
+++ b/quickstep/src/com/android/launcher3/uioverrides/states/AllAppsState.java
@@ -18,6 +18,7 @@
 import static com.android.launcher3.anim.Interpolators.DEACCEL_2;
 import static com.android.launcher3.config.FeatureFlags.ENABLE_OVERVIEW_ACTIONS;
 import static com.android.quickstep.SysUINavigationMode.Mode.NO_BUTTON;
+import static com.android.quickstep.SysUINavigationMode.removeShelfFromOverview;
 
 import android.content.Context;
 
@@ -92,7 +93,8 @@
 
     @Override
     public float[] getOverviewScaleAndOffset(Launcher launcher) {
-        return new float[] {0.9f, 0};
+        float offset = ENABLE_OVERVIEW_ACTIONS.get() && removeShelfFromOverview(launcher) ? 1 : 0;
+        return new float[] {0.9f, offset};
     }
 
     @Override
diff --git a/quickstep/src/com/android/launcher3/uioverrides/touchcontrollers/PortraitStatesTouchController.java b/quickstep/src/com/android/launcher3/uioverrides/touchcontrollers/PortraitStatesTouchController.java
index 20ee61d..a684b9d 100644
--- a/quickstep/src/com/android/launcher3/uioverrides/touchcontrollers/PortraitStatesTouchController.java
+++ b/quickstep/src/com/android/launcher3/uioverrides/touchcontrollers/PortraitStatesTouchController.java
@@ -142,6 +142,10 @@
                 Log.d(TestProtocol.OVERIEW_NOT_ALLAPPS,
                         "PortraitStatesTouchController.getTargetState 1");
             }
+            if (ENABLE_OVERVIEW_ACTIONS.get() && removeShelfFromOverview(mLauncher)) {
+                // Don't allow swiping down to overview.
+                return NORMAL;
+            }
             return TouchInteractionService.isConnected() ?
                     mLauncher.getStateManager().getLastState() : NORMAL;
         } else if (fromState == OVERVIEW) {
diff --git a/quickstep/src/com/android/quickstep/BaseActivityInterface.java b/quickstep/src/com/android/quickstep/BaseActivityInterface.java
index df8f31d..bdf525d 100644
--- a/quickstep/src/com/android/quickstep/BaseActivityInterface.java
+++ b/quickstep/src/com/android/quickstep/BaseActivityInterface.java
@@ -28,6 +28,7 @@
 import static com.android.quickstep.views.RecentsView.ADJACENT_PAGE_OFFSET;
 import static com.android.quickstep.views.RecentsView.FULLSCREEN_PROGRESS;
 import static com.android.quickstep.views.RecentsView.RECENTS_SCALE_PROPERTY;
+import static com.android.quickstep.views.RecentsView.TASK_SECONDARY_TRANSLATION;
 
 import android.animation.Animator;
 import android.annotation.TargetApi;
@@ -52,6 +53,7 @@
 import com.android.launcher3.util.WindowBounds;
 import com.android.quickstep.SysUINavigationMode.Mode;
 import com.android.quickstep.util.ActivityInitListener;
+import com.android.quickstep.util.AnimatorControllerWithResistance;
 import com.android.quickstep.util.ShelfPeekAnim;
 import com.android.quickstep.util.SplitScreenBounds;
 import com.android.quickstep.views.RecentsView;
@@ -106,7 +108,7 @@
     public abstract void onAssistantVisibilityChanged(float visibility);
 
     public abstract AnimationFactory prepareRecentsUI(RecentsAnimationDeviceState deviceState,
-            boolean activityVisible, Consumer<AnimatorPlaybackController> callback);
+            boolean activityVisible, Consumer<AnimatorControllerWithResistance> callback);
 
     public abstract ActivityInitListener createActivityInitListener(
             Predicate<Boolean> onInitListener);
@@ -319,11 +321,11 @@
 
         protected final ACTIVITY_TYPE mActivity;
         private final STATE_TYPE mStartState;
-        private final Consumer<AnimatorPlaybackController> mCallback;
+        private final Consumer<AnimatorControllerWithResistance> mCallback;
 
         private boolean mIsAttachedToWindow;
 
-        DefaultAnimationFactory(Consumer<AnimatorPlaybackController> callback) {
+        DefaultAnimationFactory(Consumer<AnimatorControllerWithResistance> callback) {
             mCallback = callback;
 
             mActivity = getCreatedActivity();
@@ -351,7 +353,14 @@
             controller.setEndAction(() -> mActivity.getStateManager().goToState(
                     controller.getInterpolatedProgress() > 0.5 ? mOverviewState : mBackgroundState,
                     false));
-            mCallback.accept(controller);
+
+            RecentsView recentsView = mActivity.getOverviewPanel();
+            AnimatorControllerWithResistance controllerWithResistance =
+                    AnimatorControllerWithResistance.createForRecents(controller, mActivity,
+                            recentsView.getPagedViewOrientedState(), mActivity.getDeviceProfile(),
+                            recentsView, RECENTS_SCALE_PROPERTY, recentsView,
+                            TASK_SECONDARY_TRANSLATION);
+            mCallback.accept(controllerWithResistance);
 
             // Creating the activity controller animation sometimes reapplies the launcher state
             // (because we set the animation as the current state animation), so we reapply the
diff --git a/quickstep/src/com/android/quickstep/interaction/SwipeUpGestureTutorialController.java b/quickstep/src/com/android/quickstep/interaction/SwipeUpGestureTutorialController.java
index 4110b33..a157314 100644
--- a/quickstep/src/com/android/quickstep/interaction/SwipeUpGestureTutorialController.java
+++ b/quickstep/src/com/android/quickstep/interaction/SwipeUpGestureTutorialController.java
@@ -184,8 +184,7 @@
 
         @Override
         public void updateFinalShift() {
-            float progress = mCurrentShift.value / mDragLengthFactor;
-            mWindowTransitionController.setPlayFraction(progress);
+            mWindowTransitionController.setProgress(mCurrentShift.value, mDragLengthFactor);
             mTaskViewSimulator.apply(mTransformParams);
         }
 
diff --git a/quickstep/src/com/android/quickstep/util/AnimatorControllerWithResistance.java b/quickstep/src/com/android/quickstep/util/AnimatorControllerWithResistance.java
new file mode 100644
index 0000000..a19a67c
--- /dev/null
+++ b/quickstep/src/com/android/quickstep/util/AnimatorControllerWithResistance.java
@@ -0,0 +1,230 @@
+/*
+ * Copyright (C) 2020 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.android.quickstep.util;
+
+import static com.android.launcher3.anim.Interpolators.DEACCEL;
+import static com.android.launcher3.anim.Interpolators.LINEAR;
+import static com.android.quickstep.SysUINavigationMode.Mode.TWO_BUTTONS;
+import static com.android.quickstep.views.RecentsView.RECENTS_SCALE_PROPERTY;
+import static com.android.quickstep.views.RecentsView.TASK_SECONDARY_TRANSLATION;
+
+import android.animation.TimeInterpolator;
+import android.content.Context;
+import android.graphics.Matrix;
+import android.graphics.PointF;
+import android.graphics.Rect;
+import android.graphics.RectF;
+import android.util.FloatProperty;
+
+import androidx.annotation.Nullable;
+
+import com.android.launcher3.BaseDraggingActivity;
+import com.android.launcher3.DeviceProfile;
+import com.android.launcher3.Utilities;
+import com.android.launcher3.anim.AnimatorPlaybackController;
+import com.android.launcher3.anim.PendingAnimation;
+import com.android.quickstep.LauncherActivityInterface;
+import com.android.quickstep.SysUINavigationMode;
+import com.android.quickstep.views.RecentsView;
+
+/**
+ * Controls an animation that can go beyond progress = 1, at which point resistance should be
+ * applied. Internally, this is a wrapper around 2 {@link AnimatorPlaybackController}s, one that
+ * runs from progress 0 to 1 like normal, then one that seamlessly continues that animation but
+ * starts applying resistance as well.
+ */
+public class AnimatorControllerWithResistance {
+
+    /**
+     * How much farther we can drag past overview in 2-button mode, as a factor of the distance
+     * it takes to drag from an app to overview.
+     */
+    public static final float TWO_BUTTON_EXTRA_DRAG_FACTOR = 0.25f;
+
+    private enum RecentsParams {
+        FROM_APP(0.75f, 0.5f, 1f),
+        FROM_OVERVIEW(1f, 0.75f, 0.5f);
+
+        RecentsParams(float scaleStartResist, float scaleMaxResist, float translationFactor) {
+            this.scaleStartResist = scaleStartResist;
+            this.scaleMaxResist = scaleMaxResist;
+            this.translationFactor = translationFactor;
+        }
+
+        /**
+         * Start slowing down the rate of scaling down when recents view is smaller than this scale.
+         */
+        public final float scaleStartResist;
+
+        /**
+         * Recents view will reach this scale at the very end of the drag.
+         */
+        public final float scaleMaxResist;
+
+        /**
+         * How much translation to apply to RecentsView when the drag reaches the top of the screen,
+         * where 0 will keep it centered and 1 will have it barely touch the top of the screen.
+         */
+        public final float translationFactor;
+    }
+
+    private static final TimeInterpolator RECENTS_SCALE_RESIST_INTERPOLATOR = DEACCEL;
+    private static final TimeInterpolator RECENTS_TRANSLATE_RESIST_INTERPOLATOR = LINEAR;
+
+    private final AnimatorPlaybackController mNormalController;
+    private final AnimatorPlaybackController mResistanceController;
+
+    // Initialize to -1 so the first 0 gets applied.
+    private float mLastNormalProgress = -1;
+    private float mLastResistProgress;
+
+    public AnimatorControllerWithResistance(AnimatorPlaybackController normalController,
+            AnimatorPlaybackController resistanceController) {
+        mNormalController = normalController;
+        mResistanceController = resistanceController;
+    }
+
+    public AnimatorPlaybackController getNormalController() {
+        return mNormalController;
+    }
+
+    /**
+     * Applies the current progress of the animation.
+     * @param progress From 0 to maxProgress, where 1 is the target we are animating towards.
+     * @param maxProgress > 1, this is where the resistance will be applied.
+     */
+    public void setProgress(float progress, float maxProgress) {
+        float normalProgress = Utilities.boundToRange(progress, 0, 1);
+        if (normalProgress != mLastNormalProgress) {
+            mLastNormalProgress = normalProgress;
+            mNormalController.setPlayFraction(normalProgress);
+        }
+        if (maxProgress <= 1) {
+            return;
+        }
+        float resistProgress = progress <= 1 ? 0 : Utilities.getProgress(progress, 1, maxProgress);
+        if (resistProgress != mLastResistProgress) {
+            mLastResistProgress = resistProgress;
+            mResistanceController.setPlayFraction(resistProgress);
+        }
+    }
+
+    /**
+     * Applies resistance to recents when swiping up past its target position.
+     * @param normalController The controller to run from 0 to 1 before this resistance applies.
+     * @param context Used to compute start and end values.
+     * @param recentsOrientedState Used to compute start and end values.
+     * @param dp Used to compute start and end values.
+     * @param scaleTarget The target for the scaleProperty.
+     * @param scaleProperty Animate the value to change the scale of the window/recents view.
+     * @param translationTarget The target for the translationProperty.
+     * @param translationProperty Animate the value to change the translation of the recents view.
+     */
+    public static <SCALE, TRANSLATION> AnimatorControllerWithResistance createForRecents(
+            AnimatorPlaybackController normalController, Context context,
+            RecentsOrientedState recentsOrientedState, DeviceProfile dp, SCALE scaleTarget,
+            FloatProperty<SCALE> scaleProperty, TRANSLATION translationTarget,
+            FloatProperty<TRANSLATION> translationProperty) {
+
+        PendingAnimation resistAnim = createRecentsResistanceAnim(null, context,
+                recentsOrientedState, dp, scaleTarget, scaleProperty, translationTarget,
+                translationProperty, RecentsParams.FROM_APP);
+
+        AnimatorPlaybackController resistanceController = resistAnim.createPlaybackController();
+        return new AnimatorControllerWithResistance(normalController, resistanceController);
+    }
+
+    /**
+     * Creates the resistance animation for {@link #createForRecents}, or can be used separately
+     * when starting from recents, i.e. {@link #createRecentsResistanceFromOverviewAnim}.
+     */
+    public static <SCALE, TRANSLATION> PendingAnimation createRecentsResistanceAnim(
+            @Nullable PendingAnimation resistAnim, Context context,
+            RecentsOrientedState recentsOrientedState, DeviceProfile dp, SCALE scaleTarget,
+            FloatProperty<SCALE> scaleProperty, TRANSLATION translationTarget,
+            FloatProperty<TRANSLATION> translationProperty, RecentsParams params) {
+        Rect startRect = new Rect();
+        LauncherActivityInterface.INSTANCE.calculateTaskSize(context, dp, startRect,
+                recentsOrientedState.getOrientationHandler());
+        long distanceToCover = startRect.bottom;
+        boolean isTwoButtonMode = SysUINavigationMode.getMode(context) == TWO_BUTTONS;
+        if (isTwoButtonMode) {
+            // We can only drag a small distance past overview, not to the top of the screen.
+            distanceToCover = (long)
+                    ((dp.heightPx - startRect.bottom) * TWO_BUTTON_EXTRA_DRAG_FACTOR);
+        }
+        if (resistAnim == null) {
+            resistAnim = new PendingAnimation(distanceToCover * 2);
+        }
+
+        PointF pivot = new PointF();
+        float fullscreenScale = recentsOrientedState.getFullScreenScaleAndPivot(
+                startRect, dp, pivot);
+        float startScale = 1;
+        float prevScaleRate = (fullscreenScale - startScale) / (dp.heightPx - startRect.bottom);
+        // This is what the scale would be at the end of the drag if we didn't apply resistance.
+        float endScale = startScale - prevScaleRate * distanceToCover;
+        final TimeInterpolator scaleInterpolator;
+        if (isTwoButtonMode) {
+            // We are bounded by the distance of the drag, so we don't need to apply resistance.
+            scaleInterpolator = LINEAR;
+        } else {
+            // Create an interpolator that resists the scale so the scale doesn't get smaller than
+            // RECENTS_SCALE_MAX_RESIST.
+            float startResist = Utilities.getProgress(params.scaleStartResist , startScale,
+                    endScale);
+            float maxResist = Utilities.getProgress(params.scaleMaxResist, startScale, endScale);
+            scaleInterpolator = t -> {
+                if (t < startResist) {
+                    return t;
+                }
+                float resistProgress = Utilities.getProgress(t, startResist, 1);
+                resistProgress = RECENTS_SCALE_RESIST_INTERPOLATOR.getInterpolation(resistProgress);
+                return startResist + resistProgress * (maxResist - startResist);
+            };
+        }
+        resistAnim.addFloat(scaleTarget, scaleProperty, startScale, endScale,
+                scaleInterpolator);
+
+        if (!isTwoButtonMode) {
+            // Compute where the task view would be based on the end scale, if we didn't translate.
+            RectF endRectF = new RectF(startRect);
+            Matrix temp = new Matrix();
+            temp.setScale(params.scaleMaxResist, params.scaleMaxResist, pivot.x, pivot.y);
+            temp.mapRect(endRectF);
+            // Translate such that the task view touches the top of the screen when drag does.
+            float endTranslation = endRectF.top * recentsOrientedState.getOrientationHandler()
+                    .getSecondaryTranslationDirectionFactor() * params.translationFactor;
+            resistAnim.addFloat(translationTarget, translationProperty, 0, endTranslation,
+                    RECENTS_TRANSLATE_RESIST_INTERPOLATOR);
+        }
+
+        return resistAnim;
+    }
+
+    /**
+     * Helper method to update or create a PendingAnimation suitable for animating
+     * a RecentsView interaction that started from the overview state.
+     */
+    public static PendingAnimation createRecentsResistanceFromOverviewAnim(
+            BaseDraggingActivity activity, @Nullable PendingAnimation resistanceAnim) {
+        RecentsView recentsView = activity.getOverviewPanel();
+        return createRecentsResistanceAnim(resistanceAnim, activity,
+                recentsView.getPagedViewOrientedState(), activity.getDeviceProfile(),
+                recentsView, RECENTS_SCALE_PROPERTY, recentsView, TASK_SECONDARY_TRANSLATION,
+                RecentsParams.FROM_OVERVIEW);
+    }
+}
diff --git a/quickstep/tests/src/com/android/quickstep/TaplTestsQuickstep.java b/quickstep/tests/src/com/android/quickstep/TaplTestsQuickstep.java
index bf093fd..ecd4e2b 100644
--- a/quickstep/tests/src/com/android/quickstep/TaplTestsQuickstep.java
+++ b/quickstep/tests/src/com/android/quickstep/TaplTestsQuickstep.java
@@ -36,6 +36,7 @@
 import com.android.launcher3.tapl.Background;
 import com.android.launcher3.tapl.LauncherInstrumentation.NavigationModel;
 import com.android.launcher3.tapl.Overview;
+import com.android.launcher3.tapl.OverviewActions;
 import com.android.launcher3.tapl.OverviewTask;
 import com.android.launcher3.tapl.TestHelpers;
 import com.android.launcher3.ui.TaplTestsLauncher3;
@@ -68,11 +69,14 @@
         });
     }
 
-    private void startTestApps() throws Exception {
+    public static void startTestApps() throws Exception {
         startAppFast(getAppPackageName());
         startAppFast(resolveSystemApp(Intent.CATEGORY_APP_CALCULATOR));
         startTestActivity(2);
+    }
 
+    private void startTestAppsWithCheck() throws Exception {
+        startTestApps();
         executeOnLauncher(launcher -> assertTrue(
                 "Launcher activity is the top activity; expecting another activity to be the top "
                         + "one",
@@ -105,7 +109,7 @@
     @Test
     @PortraitLandscape
     public void testOverview() throws Exception {
-        startTestApps();
+        startTestAppsWithCheck();
         // mLauncher.pressHome() also tests an important case of pressing home while in background.
         Overview overview = mLauncher.pressHome().switchToOverview();
         assertTrue("Launcher internal state didn't switch to Overview",
@@ -189,6 +193,22 @@
                         0, getTaskCount(launcher)));
     }
 
+    /**
+     * Smoke test for action buttons: Presses all the buttons and makes sure no crashes occur.
+     */
+    @Test
+    @NavigationModeSwitch
+    @PortraitLandscape
+    public void testOverviewActions() throws Exception {
+        if (mLauncher.getNavigationModel() != NavigationModel.TWO_BUTTON) {
+            startTestAppsWithCheck();
+            OverviewActions actionsView =
+                    mLauncher.pressHome().switchToOverview().getOverviewActions();
+            actionsView.clickAndDismissScreenshot();
+            actionsView.clickAndDismissShare();
+        }
+    }
+
     private int getCurrentOverviewPage(Launcher launcher) {
         return launcher.<RecentsView>getOverviewPanel().getCurrentPage();
     }
diff --git a/src/com/android/launcher3/BaseDraggingActivity.java b/src/com/android/launcher3/BaseDraggingActivity.java
index f2a5c65..833ce15 100644
--- a/src/com/android/launcher3/BaseDraggingActivity.java
+++ b/src/com/android/launcher3/BaseDraggingActivity.java
@@ -42,6 +42,7 @@
 
 import androidx.annotation.Nullable;
 
+import com.android.launcher3.Launcher.OnResumeCallback;
 import com.android.launcher3.LauncherSettings.Favorites;
 import com.android.launcher3.logging.InstanceId;
 import com.android.launcher3.logging.InstanceIdSequence;
@@ -108,10 +109,20 @@
 
     private void updateTheme() {
         if (mThemeRes != Themes.getActivityThemeRes(this)) {
-            recreate();
+            // Workaround (b/162812884): The system currently doesn't allow recreating an activity
+            // when it is not resumed, in such a case defer recreation until it is possible
+            if (hasBeenResumed()) {
+                recreate();
+            } else {
+                addOnResumeCallback(this::recreate);
+            }
         }
     }
 
+    protected void addOnResumeCallback(OnResumeCallback callback) {
+        // To be overridden
+    }
+
     @Override
     public void onActionModeStarted(ActionMode mode) {
         super.onActionModeStarted(mode);
diff --git a/src/com/android/launcher3/Launcher.java b/src/com/android/launcher3/Launcher.java
index 4675362..03e4b06 100644
--- a/src/com/android/launcher3/Launcher.java
+++ b/src/com/android/launcher3/Launcher.java
@@ -1943,6 +1943,7 @@
         return result;
     }
 
+    @Override
     public void addOnResumeCallback(OnResumeCallback callback) {
         mOnResumeCallbacks.add(callback);
     }
diff --git a/src/com/android/launcher3/anim/Interpolators.java b/src/com/android/launcher3/anim/Interpolators.java
index 860cceb..6ad43ea 100644
--- a/src/com/android/launcher3/anim/Interpolators.java
+++ b/src/com/android/launcher3/anim/Interpolators.java
@@ -198,6 +198,7 @@
         public OvershootParams(float startProgress, float overshootPastProgress,
                 float endProgress, float velocityPxPerMs, int totalDistancePx, Context context) {
             velocityPxPerMs = Math.abs(velocityPxPerMs);
+            overshootPastProgress = Math.max(overshootPastProgress, startProgress);
             start = startProgress;
             int startPx = (int) (start * totalDistancePx);
             // Overshoot by about half a frame.
diff --git a/src/com/android/launcher3/config/FeatureFlags.java b/src/com/android/launcher3/config/FeatureFlags.java
index 45116b6..88a9aba 100644
--- a/src/com/android/launcher3/config/FeatureFlags.java
+++ b/src/com/android/launcher3/config/FeatureFlags.java
@@ -92,7 +92,7 @@
 
     // Keep as DeviceFlag to allow remote disable in emergency.
     public static final BooleanFlag ENABLE_SUGGESTED_ACTIONS_OVERVIEW = new DeviceFlag(
-            "ENABLE_SUGGESTED_ACTIONS_OVERVIEW", false, "Show chip hints on the overview screen");
+            "ENABLE_SUGGESTED_ACTIONS_OVERVIEW", true, "Show chip hints on the overview screen");
 
     public static final BooleanFlag FOLDER_NAME_SUGGEST = new DeviceFlag(
             "FOLDER_NAME_SUGGEST", true,
diff --git a/src/com/android/launcher3/logging/StatsLogManager.java b/src/com/android/launcher3/logging/StatsLogManager.java
index 2abde02..e754618 100644
--- a/src/com/android/launcher3/logging/StatsLogManager.java
+++ b/src/com/android/launcher3/logging/StatsLogManager.java
@@ -316,7 +316,10 @@
         LAUNCHER_NAVIGATION_MODE_2_BUTTON(624),
 
         @UiEvent(doc = "System navigation mode is 0 button mode/gesture navigation mode .")
-        LAUNCHER_NAVIGATION_MODE_GESTURE_BUTTON(625);
+        LAUNCHER_NAVIGATION_MODE_GESTURE_BUTTON(625),
+
+        @UiEvent(doc = "User tapped on image content in Overview Select mode.")
+        LAUNCHER_SELECT_MODE_IMAGE(627);
 
         // ADD MORE
 
diff --git a/src/com/android/launcher3/statemanager/StateManager.java b/src/com/android/launcher3/statemanager/StateManager.java
index 60b87d9..2792308 100644
--- a/src/com/android/launcher3/statemanager/StateManager.java
+++ b/src/com/android/launcher3/statemanager/StateManager.java
@@ -311,7 +311,13 @@
                 handler.setStateWithAnimation(state, mConfig, builder);
             }
         }
-        builder.addListener(new AnimationSuccessListener() {
+        builder.addListener(createStateAnimationListener(state));
+        mConfig.setAnimation(builder.buildAnim(), state);
+        return builder;
+    }
+
+    private AnimatorListener createStateAnimationListener(STATE_TYPE state) {
+        return new AnimationSuccessListener() {
 
             @Override
             public void onAnimationStart(Animator animation) {
@@ -326,9 +332,7 @@
                 }
                 onStateTransitionEnd(state);
             }
-        });
-        mConfig.setAnimation(builder.buildAnim(), state);
-        return builder;
+        };
     }
 
     private void onStateTransitionStart(STATE_TYPE state) {
@@ -396,6 +400,19 @@
     }
 
     /**
+     * @see #setCurrentAnimation(AnimatorSet, Animator...). Using this method tells the StateManager
+     * that this is a custom animation to the given state, and thus the StateManager will add an
+     * animation listener to call {@link #onStateTransitionStart} and {@link #onStateTransitionEnd}.
+     * @param anim The custom animation to the given state.
+     * @param toState The state we are animating towards.
+     */
+    public void setCurrentAnimation(AnimatorSet anim, STATE_TYPE toState) {
+        cancelAnimation();
+        setCurrentAnimation(anim);
+        anim.addListener(createStateAnimationListener(toState));
+    }
+
+    /**
      * Sets the animation as the current state animation, i.e., canceled when
      * starting another animation and may block some launcher interactions while running.
      *
diff --git a/src/com/android/launcher3/states/StateAnimationConfig.java b/src/com/android/launcher3/states/StateAnimationConfig.java
index f90ad3c..8b72177 100644
--- a/src/com/android/launcher3/states/StateAnimationConfig.java
+++ b/src/com/android/launcher3/states/StateAnimationConfig.java
@@ -71,6 +71,7 @@
             ANIM_ALL_APPS_HEADER_FADE,
             ANIM_OVERVIEW_MODAL,
             ANIM_DEPTH,
+            ANIM_OVERVIEW_ACTIONS_FADE,
     })
     @Retention(RetentionPolicy.SOURCE)
     public @interface AnimType {}
@@ -89,10 +90,11 @@
     public static final int ANIM_ALL_APPS_HEADER_FADE = 12; // e.g. predictions
     public static final int ANIM_OVERVIEW_MODAL = 13;
     public static final int ANIM_DEPTH = 14;
+    public static final int ANIM_OVERVIEW_ACTIONS_FADE = 15;
 
-    private static final int ANIM_TYPES_COUNT = 15;
+    private static final int ANIM_TYPES_COUNT = 16;
 
-    private final Interpolator[] mInterpolators = new Interpolator[ANIM_TYPES_COUNT];
+    protected final Interpolator[] mInterpolators = new Interpolator[ANIM_TYPES_COUNT];
 
     public StateAnimationConfig() { }
 
diff --git a/src/com/android/launcher3/testing/TestProtocol.java b/src/com/android/launcher3/testing/TestProtocol.java
index 626d9dd..58bff09 100644
--- a/src/com/android/launcher3/testing/TestProtocol.java
+++ b/src/com/android/launcher3/testing/TestProtocol.java
@@ -98,6 +98,7 @@
     public static final String REQUEST_DISABLE_DEBUG_TRACING = "disable-debug-tracing";
 
     public static final String REQUEST_OVERVIEW_ACTIONS_ENABLED = "overview-actions-enabled";
+    public static final String REQUEST_OVERVIEW_SHARE_ENABLED = "overview-share-enabled";
 
     public static boolean sDisableSensorRotation;
     public static final String REQUEST_MOCK_SENSOR_ROTATION = "mock-sensor-rotation";
diff --git a/src/com/android/launcher3/touch/LandscapePagedViewHandler.java b/src/com/android/launcher3/touch/LandscapePagedViewHandler.java
index 1aaa608..4fd1633 100644
--- a/src/com/android/launcher3/touch/LandscapePagedViewHandler.java
+++ b/src/com/android/launcher3/touch/LandscapePagedViewHandler.java
@@ -108,6 +108,11 @@
     }
 
     @Override
+    public <T> void setSecondary(T target, Float2DAction<T> action, float param) {
+        action.call(target, param, 0);
+    }
+
+    @Override
     public float getPrimaryDirection(MotionEvent event, int pointerIndex) {
         return event.getY(pointerIndex);
     }
@@ -215,7 +220,11 @@
     }
 
     @Override
-    public int getTaskDismissDirectionFactor() {
+    public int getPrimaryTranslationDirectionFactor() {
+        return -1;
+    }
+
+    public int getSecondaryTranslationDirectionFactor() {
         return 1;
     }
 
diff --git a/src/com/android/launcher3/touch/PagedOrientationHandler.java b/src/com/android/launcher3/touch/PagedOrientationHandler.java
index f88cdb3..c0d488b 100644
--- a/src/com/android/launcher3/touch/PagedOrientationHandler.java
+++ b/src/com/android/launcher3/touch/PagedOrientationHandler.java
@@ -57,6 +57,7 @@
 
     <T> void set(T target, Int2DAction<T> action, int param);
     <T> void set(T target, Float2DAction<T> action, float param);
+    <T> void setSecondary(T target, Float2DAction<T> action, float param);
     float getPrimaryDirection(MotionEvent event, int pointerIndex);
     float getPrimaryVelocity(VelocityTracker velocityTracker, int pointerId);
     int getMeasuredSize(View view);
@@ -74,7 +75,8 @@
     int getScrollOffsetStart(View view, Rect insets);
     int getScrollOffsetEnd(View view, Rect insets);
     SingleAxisSwipeDetector.Direction getOppositeSwipeDirection();
-    int getTaskDismissDirectionFactor();
+    int getPrimaryTranslationDirectionFactor();
+    int getSecondaryTranslationDirectionFactor();
     int getTaskDragDisplacementFactor(boolean isRtl);
     ChildBounds getChildBounds(View child, int childStart, int pageCenter, boolean layoutChild);
     void setMaxScroll(AccessibilityEvent event, int maxScroll);
diff --git a/src/com/android/launcher3/touch/PortraitPagedViewHandler.java b/src/com/android/launcher3/touch/PortraitPagedViewHandler.java
index f18b109..9e53e5f 100644
--- a/src/com/android/launcher3/touch/PortraitPagedViewHandler.java
+++ b/src/com/android/launcher3/touch/PortraitPagedViewHandler.java
@@ -105,6 +105,11 @@
     }
 
     @Override
+    public <T> void setSecondary(T target, Float2DAction<T> action, float param) {
+        action.call(target, 0, param);
+    }
+
+    @Override
     public float getPrimaryDirection(MotionEvent event, int pointerIndex) {
         return event.getX(pointerIndex);
     }
@@ -212,7 +217,11 @@
     }
 
     @Override
-    public int getTaskDismissDirectionFactor() {
+    public int getPrimaryTranslationDirectionFactor() {
+        return 1;
+    }
+
+    public int getSecondaryTranslationDirectionFactor() {
         return -1;
     }
 
diff --git a/src/com/android/launcher3/touch/SeascapePagedViewHandler.java b/src/com/android/launcher3/touch/SeascapePagedViewHandler.java
index e91f16d..7153452 100644
--- a/src/com/android/launcher3/touch/SeascapePagedViewHandler.java
+++ b/src/com/android/launcher3/touch/SeascapePagedViewHandler.java
@@ -28,7 +28,7 @@
 public class SeascapePagedViewHandler extends LandscapePagedViewHandler {
 
     @Override
-    public int getTaskDismissDirectionFactor() {
+    public int getSecondaryTranslationDirectionFactor() {
         return -1;
     }
 
diff --git a/src/com/android/launcher3/util/MultiValueAlpha.java b/src/com/android/launcher3/util/MultiValueAlpha.java
index a8642b0..5be9529 100644
--- a/src/com/android/launcher3/util/MultiValueAlpha.java
+++ b/src/com/android/launcher3/util/MultiValueAlpha.java
@@ -19,6 +19,8 @@
 import android.util.FloatProperty;
 import android.view.View;
 
+import com.android.launcher3.anim.AlphaUpdateListener;
+
 import java.util.Arrays;
 
 /**
@@ -44,6 +46,8 @@
     private final AlphaProperty[] mMyProperties;
 
     private int mValidMask;
+    // Whether we should change from INVISIBLE to VISIBLE and vice versa at low alpha values.
+    private boolean mUpdateVisibility;
 
     public MultiValueAlpha(View view, int size) {
         mView = view;
@@ -66,6 +70,11 @@
         return mMyProperties[index];
     }
 
+    /** Sets whether we should update between INVISIBLE and VISIBLE based on alpha. */
+    public void setUpdateVisibility(boolean updateVisibility) {
+        mUpdateVisibility = updateVisibility;
+    }
+
     public class AlphaProperty {
 
         private final int mMyMask;
@@ -99,6 +108,9 @@
             mValue = value;
 
             mView.setAlpha(mOthers * mValue);
+            if (mUpdateVisibility) {
+                AlphaUpdateListener.updateVisibility(mView);
+            }
         }
 
         public float getValue() {
diff --git a/tests/tapl/com/android/launcher3/tapl/BaseOverview.java b/tests/tapl/com/android/launcher3/tapl/BaseOverview.java
index 223ae29..588b6b8 100644
--- a/tests/tapl/com/android/launcher3/tapl/BaseOverview.java
+++ b/tests/tapl/com/android/launcher3/tapl/BaseOverview.java
@@ -27,7 +27,7 @@
 import java.util.List;
 
 /**
- * Common overview pane for both Launcher and fallback recents
+ * Common overview panel for both Launcher and fallback recents
  */
 public class BaseOverview extends LauncherInstrumentation.VisibleContainer {
     private static final int FLINGS_FOR_DISMISS_LIMIT = 40;
@@ -135,4 +135,19 @@
     public boolean hasTasks() {
         return getTasks().size() > 0;
     }
+
+    /**
+     * Gets Overview Actions.
+     *
+     * @return The Overview Actions
+     */
+    @NonNull
+    public OverviewActions getOverviewActions() {
+        try (LauncherInstrumentation.Closable c = mLauncher.addContextLayer(
+                "want to get overview actions")) {
+            verifyActiveContainer();
+            UiObject2 overviewActions = mLauncher.waitForLauncherObject("action_buttons");
+            return new OverviewActions(overviewActions, mLauncher);
+        }
+    }
 }
\ No newline at end of file
diff --git a/tests/tapl/com/android/launcher3/tapl/LauncherInstrumentation.java b/tests/tapl/com/android/launcher3/tapl/LauncherInstrumentation.java
index 68f3963..be3cb4e 100644
--- a/tests/tapl/com/android/launcher3/tapl/LauncherInstrumentation.java
+++ b/tests/tapl/com/android/launcher3/tapl/LauncherInstrumentation.java
@@ -154,6 +154,7 @@
     private static final String CONTEXT_MENU_RES_ID = "deep_shortcuts_container";
     public static final int WAIT_TIME_MS = 10000;
     private static final String SYSTEMUI_PACKAGE = "com.android.systemui";
+    private static final String ANDROID_PACKAGE = "android";
 
     private static WeakReference<VisibleContainer> sActiveContainer = new WeakReference<>(null);
 
@@ -926,6 +927,14 @@
         return waitForObjectBySelector(getOverviewObjectSelector(resName));
     }
 
+    @NonNull
+    UiObject2 waitForAndroidObject(String resId) {
+        final UiObject2 object = mDevice.wait(
+                Until.findObject(By.res(ANDROID_PACKAGE, resId)), WAIT_TIME_MS);
+        assertNotNull("Can't find a android object with id: " + resId, object);
+        return object;
+    }
+
     private UiObject2 waitForObjectBySelector(BySelector selector) {
         final UiObject2 object = mDevice.wait(Until.findObject(selector), WAIT_TIME_MS);
         assertNotNull("Can't find a view in Launcher, selector: " + selector, object);
@@ -1302,6 +1311,11 @@
                 TestProtocol.TEST_INFO_RESPONSE_FIELD);
     }
 
+    boolean overviewShareEnabled() {
+        return getTestInfo(TestProtocol.REQUEST_OVERVIEW_SHARE_ENABLED).getBoolean(
+                TestProtocol.TEST_INFO_RESPONSE_FIELD);
+    }
+
     private void disableSensorRotation() {
         getTestInfo(TestProtocol.REQUEST_MOCK_SENSOR_ROTATION);
     }
diff --git a/tests/tapl/com/android/launcher3/tapl/OverviewActions.java b/tests/tapl/com/android/launcher3/tapl/OverviewActions.java
new file mode 100644
index 0000000..a30a404
--- /dev/null
+++ b/tests/tapl/com/android/launcher3/tapl/OverviewActions.java
@@ -0,0 +1,130 @@
+/*
+ * Copyright (C) 2020 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.launcher3.tapl;
+
+import androidx.annotation.NonNull;
+import androidx.test.uiautomator.UiObject2;
+
+import com.android.launcher3.testing.TestProtocol;
+
+/**
+ * View containing overview actions
+ */
+public class OverviewActions {
+    private final UiObject2 mOverviewActions;
+    private final LauncherInstrumentation mLauncher;
+
+    OverviewActions(UiObject2 overviewActions, LauncherInstrumentation launcherInstrumentation) {
+        this.mOverviewActions = overviewActions;
+        this.mLauncher = launcherInstrumentation;
+    }
+
+    /**
+     * Clicks screenshot button and closes screenshot ui.
+     */
+    @NonNull
+    public Overview clickAndDismissScreenshot() {
+        try (LauncherInstrumentation.Closable e = mLauncher.eventsCheck();
+             LauncherInstrumentation.Closable c = mLauncher.addContextLayer(
+                     "want to click screenshot button and exit screenshot ui")) {
+            UiObject2 screenshot = mLauncher.waitForObjectInContainer(mOverviewActions,
+                    "action_screenshot");
+            mLauncher.clickLauncherObject(screenshot);
+            try (LauncherInstrumentation.Closable c1 = mLauncher.addContextLayer(
+                    "clicked screenshot button")) {
+                UiObject2 closeScreenshot = mLauncher.waitForSystemUiObject(
+                        "global_screenshot_dismiss_image");
+                if (mLauncher.getNavigationModel()
+                        != LauncherInstrumentation.NavigationModel.THREE_BUTTON) {
+                    mLauncher.expectEvent(TestProtocol.SEQUENCE_TIS,
+                            LauncherInstrumentation.EVENT_TOUCH_DOWN_TIS);
+                    mLauncher.expectEvent(TestProtocol.SEQUENCE_TIS,
+                            LauncherInstrumentation.EVENT_TOUCH_UP_TIS);
+                }
+                closeScreenshot.click();
+                try (LauncherInstrumentation.Closable c2 = mLauncher.addContextLayer(
+                        "dismissed screenshot")) {
+                    return new Overview(mLauncher);
+                }
+            }
+        }
+    }
+
+    /**
+     * Click share button, then drags sharesheet down to remove it.
+     *
+     * Share is currently hidden behind flag, test is kept in case share becomes a default feature.
+     * If share is completely removed then remove this test as well.
+     */
+    @NonNull
+    public Overview clickAndDismissShare() {
+        if (mLauncher.overviewShareEnabled()) {
+            try (LauncherInstrumentation.Closable e = mLauncher.eventsCheck();
+                 LauncherInstrumentation.Closable c = mLauncher.addContextLayer(
+                         "want to click share button and dismiss sharesheet")) {
+                UiObject2 share = mLauncher.waitForObjectInContainer(mOverviewActions,
+                        "action_share");
+                mLauncher.clickLauncherObject(share);
+                try (LauncherInstrumentation.Closable c1 = mLauncher.addContextLayer(
+                        "clicked share button")) {
+                    mLauncher.waitForAndroidObject("contentPanel");
+                    mLauncher.getDevice().pressBack();
+                    try (LauncherInstrumentation.Closable c2 = mLauncher.addContextLayer(
+                            "dismissed sharesheet")) {
+                        return new Overview(mLauncher);
+                    }
+                }
+            }
+        }
+        return new Overview(mLauncher);
+    }
+
+    /**
+     * Click select button
+     *
+     * @return The select mode buttons that are now shown instead of action buttons.
+     */
+    @NonNull
+    public SelectModeButtons clickSelect() {
+        try (LauncherInstrumentation.Closable e = mLauncher.eventsCheck();
+             LauncherInstrumentation.Closable c =
+                     mLauncher.addContextLayer("want to click select button")) {
+            UiObject2 select = mLauncher.waitForObjectInContainer(mOverviewActions,
+                    "action_select");
+            mLauncher.clickLauncherObject(select);
+            try (LauncherInstrumentation.Closable c1 = mLauncher.addContextLayer(
+                    "clicked select button")) {
+                return getSelectModeButtons();
+            }
+
+        }
+    }
+
+    /**
+     * Gets the Select Mode Buttons.
+     *
+     * @return The Select Mode Buttons.
+     */
+    @NonNull
+    private SelectModeButtons getSelectModeButtons() {
+        try (LauncherInstrumentation.Closable c = mLauncher.addContextLayer(
+                "want to get select mode buttons")) {
+            UiObject2 selectModeButtons = mLauncher.waitForLauncherObject("select_mode_buttons");
+            return new SelectModeButtons(selectModeButtons, mLauncher);
+        }
+    }
+}
diff --git a/tests/tapl/com/android/launcher3/tapl/SelectModeButtons.java b/tests/tapl/com/android/launcher3/tapl/SelectModeButtons.java
new file mode 100644
index 0000000..3507418
--- /dev/null
+++ b/tests/tapl/com/android/launcher3/tapl/SelectModeButtons.java
@@ -0,0 +1,68 @@
+/*
+ * Copyright (C) 2020 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.launcher3.tapl;
+
+import androidx.annotation.NonNull;
+import androidx.test.uiautomator.UiObject2;
+
+/**
+ * View containing select mode buttons
+ */
+public class SelectModeButtons {
+    private final UiObject2 mSelectModeButtons;
+    private final LauncherInstrumentation mLauncher;
+
+    SelectModeButtons(UiObject2 selectModeButtons,
+            LauncherInstrumentation launcherInstrumentation) {
+        mSelectModeButtons = selectModeButtons;
+        mLauncher = launcherInstrumentation;
+    }
+
+    /**
+     * Click close button.
+     */
+    @NonNull
+    public Overview clickClose() {
+        try (LauncherInstrumentation.Closable e = mLauncher.eventsCheck();
+             LauncherInstrumentation.Closable c =
+                     mLauncher.addContextLayer("want to click close button")) {
+            UiObject2 close = mLauncher.waitForObjectInContainer(mSelectModeButtons, "close");
+            mLauncher.clickLauncherObject(close);
+            try (LauncherInstrumentation.Closable c1 = mLauncher.addContextLayer(
+                    "clicked close button")) {
+                return new Overview(mLauncher);
+            }
+        }
+    }
+
+    /**
+     * Click feedback button.
+     */
+    @NonNull
+    public Background clickFeedback() {
+        try (LauncherInstrumentation.Closable e = mLauncher.eventsCheck();
+             LauncherInstrumentation.Closable c =
+                     mLauncher.addContextLayer("want to click feedback button")) {
+            UiObject2 feedback = mLauncher.waitForObjectInContainer(mSelectModeButtons, "feedback");
+            mLauncher.clickLauncherObject(feedback);
+            try (LauncherInstrumentation.Closable c1 = mLauncher.addContextLayer(
+                    "clicked feedback button")) {
+                return new Background(mLauncher);
+            }
+        }
+    }
+}