Merge "Enable taskbar in overview by default" into tm-qpr-dev
diff --git a/quickstep/res/values-land/dimens.xml b/quickstep/res/values-land/dimens.xml
index 905fbda..bc5d02a 100644
--- a/quickstep/res/values-land/dimens.xml
+++ b/quickstep/res/values-land/dimens.xml
@@ -80,4 +80,8 @@
     <dimen name="taskbar_button_margin_6_5">219.6dp</dimen>
     <dimen name="taskbar_button_margin_4_5">84dp</dimen>
     <dimen name="taskbar_button_margin_4_4">79dp</dimen>
+    <dimen name="taskbar_contextual_button_margin">48dp</dimen>
+    <dimen name="taskbar_suw_frame">96dp</dimen>
+    <dimen name="taskbar_suw_insets">24dp</dimen>
+
 </resources>
\ No newline at end of file
diff --git a/quickstep/res/values/dimens.xml b/quickstep/res/values/dimens.xml
index 765d36c..3add4dc 100644
--- a/quickstep/res/values/dimens.xml
+++ b/quickstep/res/values/dimens.xml
@@ -258,7 +258,10 @@
     <dimen name="taskbar_contextual_button_padding">16dp</dimen>
     <dimen name="taskbar_contextual_padding_top">8dp</dimen>
     <dimen name="taskbar_nav_buttons_size">44dp</dimen>
-    <dimen name="taskbar_contextual_button_margin">48dp</dimen>
+    <dimen name="taskbar_split_instructions_margin">48dp</dimen>
+    <dimen name="taskbar_contextual_button_margin">120dp</dimen>
+    <dimen name="taskbar_suw_insets">48dp</dimen>
+    <dimen name="taskbar_suw_frame">48dp</dimen>
     <dimen name="taskbar_hotseat_nav_spacing">24dp</dimen>
     <dimen name="taskbar_contextual_buttons_size">35dp</dimen>
     <dimen name="taskbar_stashed_size">24dp</dimen>
@@ -284,4 +287,9 @@
     <dimen name="taskbar_button_margin_4_5">47dp</dimen>
     <dimen name="taskbar_button_margin_4_4">47dp</dimen>
     <dimen name="taskbar_button_margin_default">47dp</dimen>
+
+    <!-- Launcher splash screen -->
+    <!-- Note: keep this value in sync with the WindowManager/Shell dimens.xml -->
+    <!--     starting_surface_exit_animation_window_shift_length -->
+    <dimen name="starting_surface_exit_animation_window_shift_length">20dp</dimen>
 </resources>
diff --git a/quickstep/src/com/android/launcher3/taskbar/NavbarButtonsViewController.java b/quickstep/src/com/android/launcher3/taskbar/NavbarButtonsViewController.java
index 725ce11..339f3a9 100644
--- a/quickstep/src/com/android/launcher3/taskbar/NavbarButtonsViewController.java
+++ b/quickstep/src/com/android/launcher3/taskbar/NavbarButtonsViewController.java
@@ -204,8 +204,10 @@
         DeviceProfile deviceProfile = mContext.getDeviceProfile();
         Resources resources = mContext.getResources();
         mNavButtonsView.getLayoutParams().height = !isPhoneMode(deviceProfile) ?
-                deviceProfile.taskbarSize :
-                resources.getDimensionPixelSize(R.dimen.taskbar_size);
+                mContext.isUserSetupComplete()
+                        ? deviceProfile.taskbarSize
+                        : resources.getDimensionPixelSize(R.dimen.taskbar_suw_frame)
+                : resources.getDimensionPixelSize(R.dimen.taskbar_size);
 
         mIsImeRenderingNavButtons =
                 InputMethodService.canImeRenderGesturalNavButtons() && mContext.imeDrawsImeNavBar();
@@ -267,15 +269,7 @@
             updateButtonLayoutSpacing();
             updateStateForFlag(FLAG_SMALL_SCREEN, isPhoneButtonNavMode(mContext));
             if (isInSetup) {
-                // Since setup wizard only has back button enabled, it looks strange to be
-                // end-aligned, so start-align instead.
-                FrameLayout.LayoutParams navButtonsLayoutParams = (FrameLayout.LayoutParams)
-                        mNavButtonContainer.getLayoutParams();
-                navButtonsLayoutParams.setMarginStart(
-                        resources.getDimensionPixelSize(R.dimen.taskbar_contextual_button_margin));
-                navButtonsLayoutParams.setMarginEnd(0);
-                navButtonsLayoutParams.gravity = Gravity.START;
-                mNavButtonContainer.requestLayout();
+                handleSetupUi();
 
                 // Hide back button in SUW if keyboard is showing (IME draws its own back).
                 mPropertyHolders.add(new StatePropertyHolder(
@@ -745,14 +739,38 @@
         if (mFloatingRotationButton != null) {
             mFloatingRotationButton.onConfigurationChanged(configChanges);
         }
+        if (!mContext.isUserSetupComplete()) {
+            handleSetupUi();
+        }
         updateButtonLayoutSpacing();
     }
 
+    private void handleSetupUi() {
+        // Since setup wizard only has back button enabled, it looks strange to be
+        // end-aligned, so start-align instead.
+        FrameLayout.LayoutParams navButtonsLayoutParams = (FrameLayout.LayoutParams)
+                mNavButtonContainer.getLayoutParams();
+        Resources resources = mContext.getResources();
+        DeviceProfile deviceProfile = mContext.getDeviceProfile();
+        int setupMargin = resources.getDimensionPixelSize(R.dimen.taskbar_contextual_button_margin);
+        navButtonsLayoutParams.setMarginStart(setupMargin);
+        navButtonsLayoutParams.bottomMargin = !deviceProfile.isLandscape
+                ? 0
+                : setupMargin -
+                        (resources.getDimensionPixelSize(R.dimen.taskbar_nav_buttons_size) / 2);
+        navButtonsLayoutParams.setMarginEnd(0);
+        navButtonsLayoutParams.gravity = Gravity.START;
+        mNavButtonContainer.setLayoutParams(navButtonsLayoutParams);
+        mNavButtonContainer.requestLayout();
+    }
+
     /**
-     * Adds the correct spacing to 3 button nav container. No-op if using gesture nav or kids mode.
+     * Adds the correct spacing to 3 button nav container. No-op if using gesture nav, setup
+     * is incomplete, or in kids mode.
      */
     private void updateButtonLayoutSpacing() {
-        if (!mContext.isThreeButtonNav() || mContext.isNavBarKidsModeActive()) {
+        if (!mContext.isThreeButtonNav() || mContext.isNavBarKidsModeActive()
+                || !mContext.isUserSetupComplete()) {
             return;
         }
 
diff --git a/quickstep/src/com/android/launcher3/taskbar/TaskbarActivityContext.java b/quickstep/src/com/android/launcher3/taskbar/TaskbarActivityContext.java
index 9d15ea8..c69dc0d 100644
--- a/quickstep/src/com/android/launcher3/taskbar/TaskbarActivityContext.java
+++ b/quickstep/src/com/android/launcher3/taskbar/TaskbarActivityContext.java
@@ -148,11 +148,12 @@
         mImeDrawsImeNavBar = getBoolByName(IME_DRAWS_IME_NAV_BAR_RES_NAME, resources, false);
         mIsSafeModeEnabled = TraceHelper.allowIpcs("isSafeMode",
                 () -> getPackageManager().isSafeMode());
-        mIsUserSetupComplete = SettingsCache.INSTANCE.get(this).getValue(
+        SettingsCache settingsCache = SettingsCache.INSTANCE.get(this);
+        mIsUserSetupComplete = settingsCache.getValue(
                 Settings.Secure.getUriFor(Settings.Secure.USER_SETUP_COMPLETE), 0);
-        mIsNavBarForceVisible = SettingsCache.INSTANCE.get(this).getValue(
+        mIsNavBarForceVisible = settingsCache.getValue(
                 Settings.Secure.getUriFor(Settings.Secure.NAV_BAR_KIDS_MODE), 0);
-        mIsNavBarKidsMode = SettingsCache.INSTANCE.get(this).getValue(
+        mIsNavBarKidsMode = settingsCache.getValue(
                 Settings.Secure.getUriFor(Settings.Secure.NAV_BAR_KIDS_MODE), 0);
 
         updateIconSize(resources);
@@ -614,6 +615,10 @@
                     resources.getDimensionPixelSize(R.dimen.taskbar_size) :
                     resources.getDimensionPixelSize(R.dimen.taskbar_stashed_size);
         }
+
+        if (!isUserSetupComplete()) {
+            return getResources().getDimensionPixelSize(R.dimen.taskbar_suw_frame);
+        }
         return mDeviceProfile.taskbarSize + Math.max(getLeftCornerRadius(), getRightCornerRadius());
     }
 
diff --git a/quickstep/src/com/android/launcher3/taskbar/TaskbarStashController.java b/quickstep/src/com/android/launcher3/taskbar/TaskbarStashController.java
index b9bcf1b..98a1b01 100644
--- a/quickstep/src/com/android/launcher3/taskbar/TaskbarStashController.java
+++ b/quickstep/src/com/android/launcher3/taskbar/TaskbarStashController.java
@@ -354,6 +354,11 @@
             }
             return mStashedHeight;
         }
+
+        if (!mActivity.isUserSetupComplete()) {
+            // Special insets for SUW.
+            return mActivity.getResources().getDimensionPixelSize(R.dimen.taskbar_suw_insets);
+        }
         return mUnstashedHeight;
     }
 
diff --git a/quickstep/src/com/android/quickstep/AbsSwipeUpHandler.java b/quickstep/src/com/android/quickstep/AbsSwipeUpHandler.java
index 9106a8f..006628c 100644
--- a/quickstep/src/com/android/quickstep/AbsSwipeUpHandler.java
+++ b/quickstep/src/com/android/quickstep/AbsSwipeUpHandler.java
@@ -75,6 +75,7 @@
 import android.view.MotionEvent;
 import android.view.View;
 import android.view.View.OnApplyWindowInsetsListener;
+import android.view.ViewGroup;
 import android.view.ViewTreeObserver.OnDrawListener;
 import android.view.ViewTreeObserver.OnScrollChangedListener;
 import android.view.WindowInsets;
@@ -127,12 +128,17 @@
 import com.android.systemui.shared.system.InputConsumerController;
 import com.android.systemui.shared.system.InteractionJankMonitorWrapper;
 import com.android.systemui.shared.system.RemoteAnimationTargetCompat;
+import com.android.systemui.shared.system.SyncRtSurfaceTransactionApplierCompat;
+import com.android.systemui.shared.system.SyncRtSurfaceTransactionApplierCompat.SurfaceParams;
 import com.android.systemui.shared.system.TaskStackChangeListener;
 import com.android.systemui.shared.system.TaskStackChangeListeners;
+import com.android.wm.shell.common.TransactionPool;
+import com.android.wm.shell.startingsurface.SplashScreenExitAnimationUtils;
 
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.HashMap;
+import java.util.Optional;
 import java.util.function.Consumer;
 
 /**
@@ -248,6 +254,13 @@
 
     private static final float MAX_QUICK_SWITCH_RECENTS_SCALE_PROGRESS = 0.07f;
 
+    // Controls task thumbnail splash's reveal animation after landing on a task from quickswitch.
+    // These values match WindowManager/Shell starting_window_app_reveal_* config values.
+    private static final int SPLASH_FADE_OUT_DURATION = 133;
+    private static final int SPLASH_APP_REVEAL_DELAY = 83;
+    private static final int SPLASH_APP_REVEAL_DURATION = 266;
+    private static final int SPLASH_ANIMATION_DURATION = 349;
+
     /**
      * Used as the page index for logging when we return to the last task at the end of the gesture.
      */
@@ -272,7 +285,7 @@
     private AnimatorControllerWithResistance mLauncherTransitionController;
     private boolean mHasEndedLauncherTransition;
 
-    private AnimationFactory mAnimationFactory = (t) -> { };
+    private AnimationFactory mAnimationFactory = (t, s) -> { };
 
     private boolean mWasLauncherAlreadyVisible;
 
@@ -285,6 +298,8 @@
     private final long mTouchTimeMs;
     private long mLauncherFrameDrawnTime;
 
+    private final int mSplashMainWindowShiftLength;
+
     private final Runnable mOnDeferredActivityLaunch = this::onDeferredActivityLaunch;
 
     private SwipePipToHomeAnimator mSwipePipToHomeAnimator;
@@ -320,6 +335,9 @@
         mQuickSwitchScaleScrollThreshold = context.getResources().getDimension(
                 R.dimen.quick_switch_scaling_scroll_threshold);
 
+        mSplashMainWindowShiftLength = -context.getResources().getDimensionPixelSize(
+                R.dimen.starting_surface_exit_animation_window_shift_length);
+
         initAfterSubclassConstructor();
         initStateCallbacks();
     }
@@ -501,7 +519,9 @@
             Runnable initAnimFactory = () -> {
                 mAnimationFactory = mActivityInterface.prepareRecentsUI(mDeviceState,
                         mWasLauncherAlreadyVisible, this::onAnimatorPlaybackControllerCreated);
-                maybeUpdateRecentsAttachedState(false /* animate */);
+                maybeUpdateRecentsAttachedState(
+                        false /* animate */,
+                        new ActiveGestureLog.CompoundString("on Launcher start (animate=false)"));
                 if (mGestureState.getEndTarget() != null) {
                     // Update the end target in case the gesture ended before we init.
                     mAnimationFactory.setEndTarget(mGestureState.getEndTarget());
@@ -606,7 +626,8 @@
     }
 
     private void initializeLauncherAnimationController() {
-        buildAnimationController();
+        buildAnimationController(new ActiveGestureLog.CompoundString(
+                "initializing launcher animation controller"));
 
         Object traceToken = TraceHelper.INSTANCE.beginSection("logToggleRecents",
                 TraceHelper.FLAG_IGNORE_BINDERS);
@@ -625,7 +646,11 @@
             @Override
             public void onMotionPauseDetected() {
                 mHasMotionEverBeenPaused = true;
-                maybeUpdateRecentsAttachedState(true/* animate */, true/* moveFocusedTask */);
+                maybeUpdateRecentsAttachedState(
+                        true/* animate */,
+                        true/* moveFocusedTask */,
+                        new ActiveGestureLog.CompoundString(
+                                "motion pause detected (animate=true)"));
                 performHapticFeedback();
             }
 
@@ -636,12 +661,13 @@
         };
     }
 
-    private void maybeUpdateRecentsAttachedState() {
-        maybeUpdateRecentsAttachedState(true /* animate */);
+    private void maybeUpdateRecentsAttachedState(ActiveGestureLog.CompoundString reason) {
+        maybeUpdateRecentsAttachedState(true /* animate */, reason.append(" (animate=true)"));
     }
 
-    private void maybeUpdateRecentsAttachedState(boolean animate) {
-        maybeUpdateRecentsAttachedState(animate, false /* moveFocusedTask */);
+    private void maybeUpdateRecentsAttachedState(
+            boolean animate, ActiveGestureLog.CompoundString reason) {
+        maybeUpdateRecentsAttachedState(animate, false /* moveFocusedTask */, reason);
     }
 
     /**
@@ -653,7 +679,8 @@
      * @param animate whether to animate when attaching RecentsView
      * @param moveFocusedTask whether to move focused task to front when attaching
      */
-    private void maybeUpdateRecentsAttachedState(boolean animate, boolean moveFocusedTask) {
+    private void maybeUpdateRecentsAttachedState(
+            boolean animate, boolean moveFocusedTask, ActiveGestureLog.CompoundString reason) {
         if (!mDeviceState.isFullyGesturalNavMode() || mRecentsView == null) {
             return;
         }
@@ -663,14 +690,25 @@
         final boolean recentsAttachedToAppWindow;
         if (mGestureState.getEndTarget() != null) {
             recentsAttachedToAppWindow = mGestureState.getEndTarget().recentsAttachedToAppWindow;
+            reason.append("; gesture state end target != null (attached=")
+                    .append(Boolean.toString(recentsAttachedToAppWindow))
+                    .append(")");
         } else if (mContinuingLastGesture
                 && mRecentsView.getRunningTaskIndex() != mRecentsView.getNextPage()) {
             recentsAttachedToAppWindow = true;
+            reason.append("; continuing last gesture (attached=true)");
         } else if (runningTaskTarget != null && isNotInRecents(runningTaskTarget)) {
             // The window is going away so make sure recents is always visible in this case.
             recentsAttachedToAppWindow = true;
+            reason.append("; make sure recents is always visible (attached=true)");
         } else {
             recentsAttachedToAppWindow = mHasMotionEverBeenPaused || mIsLikelyToStartNewTask;
+            reason.append(mHasMotionEverBeenPaused
+                            ? "; motion has been paused"
+                            : "; gesture is likely to start a new task")
+                    .append(" (attached=")
+                    .append(Boolean.toString(recentsAttachedToAppWindow))
+                    .append(")");
         }
         if (moveFocusedTask && !mAnimationFactory.hasRecentsEverAttachedToAppWindow()
                 && recentsAttachedToAppWindow) {
@@ -678,7 +716,8 @@
             // TaskView jumping to new position as we move the tasks.
             mRecentsView.moveFocusedTaskToFront();
         }
-        mAnimationFactory.setRecentsAttachedToAppWindow(recentsAttachedToAppWindow, animate);
+        mAnimationFactory.setRecentsAttachedToAppWindow(
+                recentsAttachedToAppWindow, animate, reason);
 
         // Reapply window transform throughout the attach animation, as the animation affects how
         // much the window is bound by overscroll (vs moving freely).
@@ -698,22 +737,29 @@
     }
 
     public void setIsLikelyToStartNewTask(boolean isLikelyToStartNewTask) {
-        setIsLikelyToStartNewTask(isLikelyToStartNewTask, true /* animate */);
+        setIsLikelyToStartNewTask(
+                isLikelyToStartNewTask,
+                true /* animate */,
+                new ActiveGestureLog.CompoundString(
+                        "setting gesture likely to start (animate=true)"));
     }
 
-    private void setIsLikelyToStartNewTask(boolean isLikelyToStartNewTask, boolean animate) {
+    private void setIsLikelyToStartNewTask(
+            boolean isLikelyToStartNewTask,
+            boolean animate,
+            ActiveGestureLog.CompoundString reason) {
         if (mIsLikelyToStartNewTask != isLikelyToStartNewTask) {
             mIsLikelyToStartNewTask = isLikelyToStartNewTask;
-            maybeUpdateRecentsAttachedState(animate);
+            maybeUpdateRecentsAttachedState(animate, reason);
         }
     }
 
-    private void buildAnimationController() {
+    private void buildAnimationController(ActiveGestureLog.CompoundString reason) {
         if (!canCreateNewOrUpdateExistingLauncherTransitionController()) {
             return;
         }
         initTransitionEndpoints(mActivity.getDeviceProfile());
-        mAnimationFactory.createActivityInterface(mTransitionDragLength);
+        mAnimationFactory.createActivityInterface(mTransitionDragLength, reason);
     }
 
     /**
@@ -728,7 +774,7 @@
     @Override
     public WindowInsets onApplyWindowInsets(View view, WindowInsets windowInsets) {
         WindowInsets result = view.onApplyWindowInsets(windowInsets);
-        buildAnimationController();
+        buildAnimationController(new ActiveGestureLog.CompoundString("applying window insets"));
         // Reapply the current shift to ensure it takes new insets into account, e.g. when long
         // pressing to stash taskbar without moving the finger.
         updateFinalShift();
@@ -900,7 +946,10 @@
             });
         }
         notifyGestureStartedAsync();
-        setIsLikelyToStartNewTask(isLikelyToStartNewTask, false /* animate */);
+        setIsLikelyToStartNewTask(
+                isLikelyToStartNewTask,
+                false /* animate */,
+                new ActiveGestureLog.CompoundString("on gesture started (animate=false)"));
         mStateCallback.setStateOnUiThread(STATE_GESTURE_STARTED);
         mGestureStarted = true;
         SystemUiProxy.INSTANCE.get(mContext).notifySwipeUpGestureStarted();
@@ -982,7 +1031,8 @@
 
     private void onSettledOnEndTarget() {
         // Fast-finish the attaching animation if it's still running.
-        maybeUpdateRecentsAttachedState(false);
+        maybeUpdateRecentsAttachedState(false, new ActiveGestureLog.CompoundString(
+                "on settled on end target (animate=false)"));
         final GestureEndTarget endTarget = mGestureState.getEndTarget();
         // Wait until the given View (if supplied) draws before resuming the last task.
         View postResumeLastTask = mActivityInterface.onSettledOnEndTarget(endTarget);
@@ -1288,7 +1338,8 @@
     @UiThread
     private void animateToProgressInternal(float start, float end, long duration,
             Interpolator interpolator, GestureEndTarget target, PointF velocityPxPerMs) {
-        maybeUpdateRecentsAttachedState();
+        maybeUpdateRecentsAttachedState(new ActiveGestureLog.CompoundString(
+                "animate to progress internal"));
 
         // If we are transitioning to launcher, then listen for the activity to be restarted while
         // the transition is in progress
@@ -1607,7 +1658,9 @@
                     mRecentsView.post(mRecentsView::resetTaskVisuals);
                 }
                 // Make sure recents is in its final state
-                maybeUpdateRecentsAttachedState(false);
+                maybeUpdateRecentsAttachedState(
+                        false, new ActiveGestureLog.CompoundString(
+                                "setting up window animation (animate=false)"));
                 mActivityInterface.onSwipeUpToHomeComplete(mDeviceState);
             }
         });
@@ -2034,16 +2087,59 @@
     public void onTasksAppeared(RemoteAnimationTargetCompat[] appearedTaskTargets) {
         if (mRecentsAnimationController != null) {
             if (handleTaskAppeared(appearedTaskTargets)) {
-                mRecentsAnimationController.finish(false /* toRecents */,
-                        null /* onFinishComplete */);
-                ActiveGestureLog.INSTANCE.addLog(
-                        /* event= */ "finishRecentsAnimation",
-                        /* extras= */ false,
-                        /* gestureEvent= */ FINISH_RECENTS_ANIMATION);
+                Optional<RemoteAnimationTargetCompat> taskTargetOptional =
+                        Arrays.stream(appearedTaskTargets)
+                                .filter(targetCompat ->
+                                        targetCompat.taskId == mGestureState.getLastStartedTaskId())
+                                .findFirst();
+                if (!taskTargetOptional.isPresent()) {
+                    finishRecentsAnimationOnTasksAppeared();
+                    return;
+                }
+                RemoteAnimationTargetCompat taskTarget = taskTargetOptional.get();
+                TaskView taskView = mRecentsView.getTaskViewByTaskId(taskTarget.taskId);
+                if (taskView == null || !taskView.getThumbnail().shouldShowSplashView()) {
+                    finishRecentsAnimationOnTasksAppeared();
+                    return;
+                }
+
+                ViewGroup splashView = mActivity.getDragLayer();
+
+                // When revealing the app with launcher splash screen, make the app visible
+                // and behind the splash view before the splash is animated away.
+                SyncRtSurfaceTransactionApplierCompat surfaceApplier =
+                        new SyncRtSurfaceTransactionApplierCompat(splashView);
+                ArrayList<SurfaceParams> params = new ArrayList<>();
+                for (RemoteAnimationTargetCompat target : appearedTaskTargets) {
+                    SurfaceParams.Builder builder = new SurfaceParams.Builder(target.leash);
+                    builder.withAlpha(1);
+                    builder.withLayer(-1);
+                    params.add(builder.build());
+                }
+                surfaceApplier.scheduleApply(params.toArray(new SurfaceParams[0]));
+
+                SplashScreenExitAnimationUtils.startAnimations(splashView, taskTarget.leash,
+                        mSplashMainWindowShiftLength, new TransactionPool(), new Rect(),
+                        SPLASH_ANIMATION_DURATION, SPLASH_FADE_OUT_DURATION,
+                        /* iconStartAlpha= */ 0, /* brandingStartAlpha= */ 0,
+                        SPLASH_APP_REVEAL_DELAY, SPLASH_APP_REVEAL_DURATION,
+                        new AnimatorListenerAdapter() {
+                            @Override
+                            public void onAnimationEnd(Animator animation) {
+                                finishRecentsAnimationOnTasksAppeared();
+                            }
+                        });
             }
         }
     }
 
+    private void finishRecentsAnimationOnTasksAppeared() {
+        if (mRecentsAnimationController != null) {
+            mRecentsAnimationController.finish(false /* toRecents */, null /* onFinishComplete */);
+        }
+        ActiveGestureLog.INSTANCE.addLog("finishRecentsAnimation", false);
+    }
+
     /**
      * @return The index of the TaskView in RecentsView whose taskId matches the task that will
      * resume if we finish the controller.
diff --git a/quickstep/src/com/android/quickstep/BaseActivityInterface.java b/quickstep/src/com/android/quickstep/BaseActivityInterface.java
index 226b173..a343c2d 100644
--- a/quickstep/src/com/android/quickstep/BaseActivityInterface.java
+++ b/quickstep/src/com/android/quickstep/BaseActivityInterface.java
@@ -57,6 +57,7 @@
 import com.android.launcher3.util.DisplayController;
 import com.android.launcher3.util.NavigationMode;
 import com.android.launcher3.views.ScrimView;
+import com.android.quickstep.util.ActiveGestureLog;
 import com.android.quickstep.util.ActivityInitListener;
 import com.android.quickstep.util.AnimatorControllerWithResistance;
 import com.android.quickstep.views.RecentsView;
@@ -393,14 +394,16 @@
 
     public interface AnimationFactory {
 
-        void createActivityInterface(long transitionLength);
+        void createActivityInterface(long transitionLength, ActiveGestureLog.CompoundString reason);
 
         /**
          * @param attached Whether to show RecentsView alongside the app window. If false, recents
          *                 will be hidden by some property we can animate, e.g. alpha.
          * @param animate Whether to animate recents to/from its new attached state.
+         * @param reason Explanation for why this method is being called with the given param values
          */
-        default void setRecentsAttachedToAppWindow(boolean attached, boolean animate) { }
+        default void setRecentsAttachedToAppWindow(
+                boolean attached, boolean animate, ActiveGestureLog.CompoundString reason) { }
 
         default boolean isRecentsAttachedToAppWindow() {
             return false;
@@ -442,7 +445,8 @@
         }
 
         @Override
-        public void createActivityInterface(long transitionLength) {
+        public void createActivityInterface(
+                long transitionLength, ActiveGestureLog.CompoundString reason) {
             PendingAnimation pa = new PendingAnimation(transitionLength * 2);
             createBackgroundToOverviewAnim(mActivity, pa);
             AnimatorPlaybackController controller = pa.createPlaybackController();
@@ -465,13 +469,29 @@
             // (because we set the animation as the current state animation), so we reapply the
             // attached state here as well to ensure recents is shown/hidden appropriately.
             if (DisplayController.getNavigationMode(mActivity) == NavigationMode.NO_BUTTON) {
-                setRecentsAttachedToAppWindow(mIsAttachedToWindow, false);
+                setRecentsAttachedToAppWindow(
+                        mIsAttachedToWindow,
+                        false,
+                        reason.append("; reapplying the attached state (attached=")
+                                .append(Boolean.toString(mIsAttachedToWindow))
+                                .append(", animate=false)"));
             }
         }
 
         @Override
-        public void setRecentsAttachedToAppWindow(boolean attached, boolean animate) {
+        public void setRecentsAttachedToAppWindow(
+                boolean attached, boolean animate, ActiveGestureLog.CompoundString reason) {
+            // TODO(b/244593270): remove these logs; too verbose
+            ActiveGestureLog.INSTANCE.addLog(
+                    new ActiveGestureLog.CompoundString("setRecentsAttachedToAppWindow: attached=")
+                            .append(Boolean.toString(attached))
+                            .append(", animate=")
+                            .append(Boolean.toString(animate))
+                            .append(", reason=")
+                            .append(reason));
             if (mIsAttachedToWindow == attached && animate) {
+                ActiveGestureLog.INSTANCE.addLog(new ActiveGestureLog.CompoundString(
+                        "setRecentsAttachedToAppWindow: exiting early"));
                 return;
             }
             mIsAttachedToWindow = attached;
@@ -488,9 +508,21 @@
                     .cancelStateElementAnimation(INDEX_RECENTS_TRANSLATE_X_ANIM);
             if (!recentsView.isShown() && animate) {
                 ADJACENT_PAGE_HORIZONTAL_OFFSET.set(recentsView, fromTranslation);
+                ActiveGestureLog.INSTANCE.addLog(new ActiveGestureLog.CompoundString(
+                        "setRecentsAttachedToAppWindow: recents view not shown, setting ")
+                        .append("ADJACENT_PAGE_HORIZONTAL_OFFSET to ")
+                        .append(Float.toString(fromTranslation)));
             } else {
                 fromTranslation = ADJACENT_PAGE_HORIZONTAL_OFFSET.get(recentsView);
+                ActiveGestureLog.INSTANCE.addLog(new ActiveGestureLog.CompoundString(
+                        "setRecentsAttachedToAppWindow: updating fromTranslation to ")
+                        .append(Float.toString(fromTranslation)));
             }
+            ActiveGestureLog.INSTANCE.addLog(new ActiveGestureLog.CompoundString(
+                    "setRecentsAttachedToAppWindow: fromTranslation=")
+                    .append(Float.toString(fromTranslation))
+                    .append(", toTranslation=")
+                    .append(Float.toString(toTranslation)));
             if (!animate) {
                 ADJACENT_PAGE_HORIZONTAL_OFFSET.set(recentsView, toTranslation);
             } else {
diff --git a/quickstep/src/com/android/quickstep/views/SplitInstructionsView.java b/quickstep/src/com/android/quickstep/views/SplitInstructionsView.java
index fae96dc..b0b111d 100644
--- a/quickstep/src/com/android/quickstep/views/SplitInstructionsView.java
+++ b/quickstep/src/com/android/quickstep/views/SplitInstructionsView.java
@@ -121,7 +121,7 @@
             int navButtonWidth = getResources().getDimensionPixelSize(
                     R.dimen.taskbar_nav_buttons_size);
             int extraMargin = getResources().getDimensionPixelSize(
-                    R.dimen.taskbar_contextual_button_margin);
+                    R.dimen.taskbar_split_instructions_margin);
             // Explanation: The 3-button nav for non-phones sits on one side of the screen, taking
             // up 3 buttons + a side margin worth of space. Our splitInstructionsView starts in the
             // center of the screen and we want to center it in the remaining space, therefore we
diff --git a/quickstep/src/com/android/quickstep/views/TaskThumbnailView.java b/quickstep/src/com/android/quickstep/views/TaskThumbnailView.java
index 04a0af1..6792dc5 100644
--- a/quickstep/src/com/android/quickstep/views/TaskThumbnailView.java
+++ b/quickstep/src/com/android/quickstep/views/TaskThumbnailView.java
@@ -370,7 +370,7 @@
      * <p>We want to show the splash if the aspect ratio or rotation of the thumbnail would be
      * different from the task.
      */
-    boolean shouldShowSplashView() {
+    public boolean shouldShowSplashView() {
         return isThumbnailAspectRatioDifferentFromThumbnailData()
                 || isThumbnailRotationDifferentFromTask();
     }
diff --git a/quickstep/src/com/android/quickstep/views/TaskView.java b/quickstep/src/com/android/quickstep/views/TaskView.java
index 0125775..3fb7fee 100644
--- a/quickstep/src/com/android/quickstep/views/TaskView.java
+++ b/quickstep/src/com/android/quickstep/views/TaskView.java
@@ -18,7 +18,6 @@
 
 import static android.view.Display.DEFAULT_DISPLAY;
 import static android.widget.Toast.LENGTH_SHORT;
-import static android.window.SplashScreen.SPLASH_SCREEN_STYLE_SOLID_COLOR;
 
 import static com.android.launcher3.Utilities.comp;
 import static com.android.launcher3.Utilities.getDescendantCoordRelativeToAncestor;
@@ -669,9 +668,7 @@
             if (freezeTaskList) {
                 opts.setFreezeRecentTasksReordering();
             }
-            // TODO(b/202826469): Replace setSplashScreenStyle with setDisableStartingWindow.
-            opts.setSplashScreenStyle(mSnapshotView.shouldShowSplashView()
-                    ? SPLASH_SCREEN_STYLE_SOLID_COLOR : opts.getSplashScreenStyle());
+            opts.setDisableStartingWindow(mSnapshotView.shouldShowSplashView());
             Task.TaskKey key = mTask.key;
             UI_HELPER_EXECUTOR.execute(() -> {
                 if (!ActivityManagerWrapper.getInstance().startActivityFromRecents(key, opts)) {
diff --git a/src/com/android/launcher3/BubbleTextView.java b/src/com/android/launcher3/BubbleTextView.java
index 5fb8925..c0a00c2 100644
--- a/src/com/android/launcher3/BubbleTextView.java
+++ b/src/com/android/launcher3/BubbleTextView.java
@@ -942,6 +942,11 @@
         return mIconSize;
     }
 
+    public boolean isDisplaySearchResult() {
+        return mDisplay == DISPLAY_SEARCH_RESULT ||
+                mDisplay == DISPLAY_SEARCH_RESULT_SMALL;
+    }
+
     private void updateTranslation() {
         super.setTranslationX(mTranslationForReorderBounce.x + mTranslationForReorderPreview.x
                 + mTranslationForMoveFromCenterAnimation.x
diff --git a/src/com/android/launcher3/Workspace.java b/src/com/android/launcher3/Workspace.java
index b49d646..a5eb9e0 100644
--- a/src/com/android/launcher3/Workspace.java
+++ b/src/com/android/launcher3/Workspace.java
@@ -106,6 +106,7 @@
 import com.android.launcher3.util.RunnableList;
 import com.android.launcher3.util.Thunk;
 import com.android.launcher3.util.WallpaperOffsetInterpolator;
+import com.android.launcher3.views.ActivityContext;
 import com.android.launcher3.widget.LauncherAppWidgetHost;
 import com.android.launcher3.widget.LauncherAppWidgetHost.ProviderChangedListener;
 import com.android.launcher3.widget.LauncherAppWidgetHostView;
@@ -152,6 +153,8 @@
 
     public static final int DEFAULT_PAGE = 0;
 
+    private final int mAllAppsIconSize;
+
     private LayoutTransition mLayoutTransition;
     @Thunk final WallpaperManager mWallpaperManager;
 
@@ -286,7 +289,7 @@
         mLauncher = Launcher.getLauncher(context);
         mStateTransitionAnimation = new WorkspaceStateTransitionAnimation(mLauncher, this);
         mWallpaperManager = WallpaperManager.getInstance(context);
-
+        mAllAppsIconSize = mLauncher.getDeviceProfile().allAppsIconSizePx;
         mWallpaperOffset = new WallpaperOffsetInterpolator(this);
 
         setHapticFeedbackEnabled(false);
@@ -1671,8 +1674,14 @@
             mDragSourceInternal = (ShortcutAndWidgetContainer) child.getParent();
         }
 
-        if (child instanceof BubbleTextView && !dragOptions.isAccessibleDrag) {
-            dragOptions.preDragCondition = ((BubbleTextView) child).startLongPressAction();
+        if (child instanceof BubbleTextView) {
+            BubbleTextView btv = (BubbleTextView) child;
+            if (!dragOptions.isAccessibleDrag) {
+                dragOptions.preDragCondition = btv.startLongPressAction();
+            }
+            if (btv.isDisplaySearchResult()) {
+                dragOptions.preDragEndScale = (float) mAllAppsIconSize / btv.getIconSize();
+            }
         }
 
         final DragView dv;
diff --git a/src/com/android/launcher3/dragndrop/DragController.java b/src/com/android/launcher3/dragndrop/DragController.java
index 8616f35..5368397 100644
--- a/src/com/android/launcher3/dragndrop/DragController.java
+++ b/src/com/android/launcher3/dragndrop/DragController.java
@@ -31,6 +31,7 @@
 
 import com.android.launcher3.DragSource;
 import com.android.launcher3.DropTarget;
+import com.android.launcher3.anim.Interpolators;
 import com.android.launcher3.logging.InstanceId;
 import com.android.launcher3.model.data.ItemInfo;
 import com.android.launcher3.model.data.WorkspaceItemInfo;
@@ -90,6 +91,8 @@
 
     protected boolean mIsInPreDrag;
 
+    private final int DRAG_VIEW_SCALE_DURATION_MS = 500;
+
     /**
      * Interface to receive notifications when a drag starts or stops
      */
@@ -214,6 +217,15 @@
             mOptions.preDragCondition.onPreDragEnd(mDragObject, true /* dragStarted*/);
         }
         mIsInPreDrag = false;
+        if (mOptions.preDragEndScale != 0) {
+            mDragObject.dragView
+                    .animate()
+                    .scaleX(mOptions.preDragEndScale)
+                    .scaleY(mOptions.preDragEndScale)
+                    .setInterpolator(Interpolators.EMPHASIZED)
+                    .setDuration(DRAG_VIEW_SCALE_DURATION_MS)
+                    .start();
+        }
         mDragObject.dragView.onDragStart();
         for (DragListener listener : new ArrayList<>(mListeners)) {
             listener.onDragStart(mDragObject, mOptions);
@@ -295,9 +307,9 @@
                 } else if (mIsInPreDrag) {
                     animateDragViewToOriginalPosition(null, null, -1);
                 }
+                mDragObject.dragView.clearAnimation();
                 mDragObject.dragView = null;
             }
-
             // Only end the drag if we are not deferred
             if (!isDeferred) {
                 callOnDragEnd();
diff --git a/src/com/android/launcher3/dragndrop/DragOptions.java b/src/com/android/launcher3/dragndrop/DragOptions.java
index e8ff8da..1ff4335 100644
--- a/src/com/android/launcher3/dragndrop/DragOptions.java
+++ b/src/com/android/launcher3/dragndrop/DragOptions.java
@@ -40,6 +40,12 @@
     /** Determines when a pre-drag should transition to a drag. By default, this is immediate. */
     public PreDragCondition preDragCondition = null;
 
+    /**
+     * A drag scale that scales the original drag view size when the preDragCondition is met (or
+     * is ignored if preDragEndScale is 0).
+     */
+    public float preDragEndScale;
+
     /** Scale of the icons over the workspace icon size. */
     public float intrinsicIconScaleFactor = 1f;
 
diff --git a/src/com/android/launcher3/views/BaseDragLayer.java b/src/com/android/launcher3/views/BaseDragLayer.java
index 800b1f6..1e154a2 100644
--- a/src/com/android/launcher3/views/BaseDragLayer.java
+++ b/src/com/android/launcher3/views/BaseDragLayer.java
@@ -273,6 +273,12 @@
 
     @Override
     public boolean dispatchTouchEvent(MotionEvent ev) {
+        if (ev.getActionIndex() > 0) {
+            // This means there is multiple touch inputs, ignore it, we could also cancel the
+            // previous touch but the user might cancel the drag by accident.
+            return true;
+        }
+
         switch (ev.getAction()) {
             case ACTION_DOWN: {
                 if ((mTouchDispatchState & TOUCH_DISPATCHING_TO_VIEW_IN_PROGRESS) != 0) {