diff --git a/quickstep/res/layout/overview_clear_all_button.xml b/quickstep/res/layout/overview_clear_all_button.xml
index 79d8a61..8632f8b 100644
--- a/quickstep/res/layout/overview_clear_all_button.xml
+++ b/quickstep/res/layout/overview_clear_all_button.xml
@@ -1,7 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 
 <TextView
-    xmlns:launcher="http://schemas.android.com/apk/res-auto"
     xmlns:android="http://schemas.android.com/apk/res/android"
     android:id="@+id/clear_all_button"
     android:layout_width="wrap_content"
@@ -11,6 +10,5 @@
     android:text="@string/recents_clear_all"
     android:textColor="?attr/workspaceTextColor"
     android:background="?android:attr/selectableItemBackground"
-    launcher:layout_ignoreInsets="true"
     android:textSize="14sp"
 />
\ No newline at end of file
diff --git a/quickstep/res/xml/indexable_launcher_prefs.xml b/quickstep/res/xml/indexable_launcher_prefs.xml
index 2655402..30f3100 100644
--- a/quickstep/res/xml/indexable_launcher_prefs.xml
+++ b/quickstep/res/xml/indexable_launcher_prefs.xml
@@ -20,8 +20,14 @@
         android:key="pref_add_icon_to_home"
         android:title="@string/auto_add_shortcuts_label"
         android:summary="@string/auto_add_shortcuts_description"
-        android:defaultValue="true"
-        />
+        android:defaultValue="true"  />
+
+    <SwitchPreference
+        android:key="pref_allowRotation"
+        android:title="@string/allow_rotation_title"
+        android:summary="@string/allow_rotation_desc"
+        android:defaultValue="@bool/allow_rotation"
+        android:persistent="true" />
 
     <ListPreference
         android:key="pref_override_icon_shape"
diff --git a/quickstep/src/com/android/launcher3/LauncherAppTransitionManagerImpl.java b/quickstep/src/com/android/launcher3/LauncherAppTransitionManagerImpl.java
index ce17d25..353ed84 100644
--- a/quickstep/src/com/android/launcher3/LauncherAppTransitionManagerImpl.java
+++ b/quickstep/src/com/android/launcher3/LauncherAppTransitionManagerImpl.java
@@ -50,7 +50,6 @@
 import android.os.Build;
 import android.os.Handler;
 import android.os.Looper;
-import android.util.ArraySet;
 import android.util.Log;
 import android.util.Pair;
 import android.view.Surface;
@@ -249,7 +248,7 @@
                     mLauncher.getStateManager()
                             .createAnimationToNewWorkspace(NORMAL, RECENTS_LAUNCH_DURATION);
             controller.dispatchOnStart();
-            childStateAnimation = controller.getOriginalTarget();
+            childStateAnimation = controller.getTarget();
             launcherAnim = controller.getAnimationPlayer().setDuration(RECENTS_LAUNCH_DURATION);
             windowAnimEndListener = new AnimatorListenerAdapter() {
                 @Override
diff --git a/quickstep/src/com/android/quickstep/RecentsModel.java b/quickstep/src/com/android/quickstep/RecentsModel.java
index 70b0355..7676a70 100644
--- a/quickstep/src/com/android/quickstep/RecentsModel.java
+++ b/quickstep/src/com/android/quickstep/RecentsModel.java
@@ -87,7 +87,8 @@
     private int mTaskChangeId;
     private ISystemUiProxy mSystemUiProxy;
     private boolean mClearAssistCacheOnStackChange = true;
-    private final boolean mPreloadTasksInBackground;
+    private final boolean mIsLowRamDevice;
+    private boolean mPreloadTasksInBackground;
     private final AccessibilityManager mAccessibilityManager;
 
     private RecentsModel(Context context) {
@@ -95,7 +96,7 @@
 
         ActivityManager activityManager =
                 (ActivityManager) context.getSystemService(Context.ACTIVITY_SERVICE);
-        mPreloadTasksInBackground = !activityManager.isLowRamDevice();
+        mIsLowRamDevice = activityManager.isLowRamDevice();
         mMainThreadExecutor = new MainThreadExecutor();
 
         Resources res = context.getResources();
@@ -160,6 +161,10 @@
         return requestId;
     }
 
+    public void setPreloadTasksInBackground(boolean preloadTasksInBackground) {
+        mPreloadTasksInBackground = preloadTasksInBackground && !mIsLowRamDevice;
+    }
+
     @Override
     public void onActivityPinned(String packageName, int userId, int taskId, int stackId) {
         mTaskChangeId++;
diff --git a/quickstep/src/com/android/quickstep/TaskSystemShortcut.java b/quickstep/src/com/android/quickstep/TaskSystemShortcut.java
index 2ebf252..e3f6543 100644
--- a/quickstep/src/com/android/quickstep/TaskSystemShortcut.java
+++ b/quickstep/src/com/android/quickstep/TaskSystemShortcut.java
@@ -101,13 +101,9 @@
         }
     }
 
-    public static class SplitScreen extends TaskSystemShortcut implements OnPreDrawListener,
-            DeviceProfile.OnDeviceProfileChangeListener, View.OnLayoutChangeListener {
+    public static class SplitScreen extends TaskSystemShortcut {
 
         private Handler mHandler;
-        private RecentsView mRecentsView;
-        private TaskView mTaskView;
-        private BaseDraggingActivity mActivity;
 
         public SplitScreen() {
             super(R.drawable.ic_split_screen, R.string.recent_task_option_split_screen);
@@ -125,11 +121,44 @@
             if (!task.isDockable) {
                 return null;
             }
-            mActivity = activity;
-            mRecentsView = activity.getOverviewPanel();
-            mTaskView = taskView;
+            final RecentsView recentsView = activity.getOverviewPanel();
+
             final TaskThumbnailView thumbnailView = taskView.getThumbnail();
             return (v -> {
+                final View.OnLayoutChangeListener onLayoutChangeListener =
+                        new View.OnLayoutChangeListener() {
+                            @Override
+                            public void onLayoutChange(View v, int l, int t, int r, int b,
+                                    int oldL, int oldT, int oldR, int oldB) {
+                                taskView.getRootView().removeOnLayoutChangeListener(this);
+                                recentsView.removeIgnoreResetTask(taskView);
+
+                                // Start animating in the side pages once launcher has been resized
+                                recentsView.dismissTask(taskView, false, false);
+                            }
+                        };
+
+                final DeviceProfile.OnDeviceProfileChangeListener onDeviceProfileChangeListener =
+                        new DeviceProfile.OnDeviceProfileChangeListener() {
+                            @Override
+                            public void onDeviceProfileChanged(DeviceProfile dp) {
+                                activity.removeOnDeviceProfileChangeListener(this);
+                                if (dp.isMultiWindowMode) {
+                                    taskView.getRootView().addOnLayoutChangeListener(
+                                            onLayoutChangeListener);
+                                }
+                            }
+                        };
+
+                final OnPreDrawListener preDrawListener = new OnPreDrawListener() {
+                    @Override
+                    public boolean onPreDraw() {
+                        taskView.getViewTreeObserver().removeOnPreDrawListener(this);
+                        WindowManagerWrapper.getInstance().endProlongedAnimations();
+                        return true;
+                    }
+                };
+
                 AbstractFloatingView.closeOpenViews(activity, true,
                         AbstractFloatingView.TYPE_ALL & ~AbstractFloatingView.TYPE_REBIND_SAFE);
 
@@ -145,15 +174,15 @@
 
                     // Add a device profile change listener to kick off animating the side tasks
                     // once we enter multiwindow mode and relayout
-                    activity.addOnDeviceProfileChangeListener(this);
+                    activity.addOnDeviceProfileChangeListener(onDeviceProfileChangeListener);
 
                     final Runnable animStartedListener = () -> {
                         // Hide the task view and wait for the window to be resized
                         // TODO: Consider animating in launcher and do an in-place start activity
                         //       afterwards
-                        mRecentsView.addIgnoreResetTask(mTaskView);
-                        mTaskView.setAlpha(0f);
-                        mTaskView.getViewTreeObserver().addOnPreDrawListener(SplitScreen.this);
+                        recentsView.addIgnoreResetTask(taskView);
+                        taskView.setAlpha(0f);
+                        taskView.getViewTreeObserver().addOnPreDrawListener(preDrawListener);
                     };
 
                     final int[] position = new int[2];
@@ -179,31 +208,6 @@
                 }
             });
         }
-
-        @Override
-        public boolean onPreDraw() {
-            mTaskView.getViewTreeObserver().removeOnPreDrawListener(this);
-            WindowManagerWrapper.getInstance().endProlongedAnimations();
-            return true;
-        }
-
-        @Override
-        public void onDeviceProfileChanged(DeviceProfile dp) {
-            mActivity.removeOnDeviceProfileChangeListener(this);
-            if (dp.isMultiWindowMode) {
-                mTaskView.getRootView().addOnLayoutChangeListener(this);
-            }
-        }
-
-        @Override
-        public void onLayoutChange(View v, int l, int t, int r, int b,
-                int oldL, int oldT, int oldR, int oldB) {
-            mTaskView.getRootView().removeOnLayoutChangeListener(this);
-            mRecentsView.removeIgnoreResetTask(mTaskView);
-
-            // Start animating in the side pages once launcher has been resized
-            mRecentsView.dismissTask(mTaskView, false, false);
-        }
     }
 
     public static class Pin extends TaskSystemShortcut {
diff --git a/quickstep/src/com/android/quickstep/TouchInteractionService.java b/quickstep/src/com/android/quickstep/TouchInteractionService.java
index 57f46b8..b89a835 100644
--- a/quickstep/src/com/android/quickstep/TouchInteractionService.java
+++ b/quickstep/src/com/android/quickstep/TouchInteractionService.java
@@ -173,6 +173,7 @@
         super.onCreate();
         mAM = ActivityManagerWrapper.getInstance();
         mRecentsModel = RecentsModel.getInstance(this);
+        mRecentsModel.setPreloadTasksInBackground(true);
         mMainThreadExecutor = new MainThreadExecutor();
         mOverviewCommandHelper = new OverviewCommandHelper(this);
         mMainThreadChoreographer = Choreographer.getInstance();
diff --git a/quickstep/src/com/android/quickstep/views/RecentsView.java b/quickstep/src/com/android/quickstep/views/RecentsView.java
index a41b36e..a7b018a 100644
--- a/quickstep/src/com/android/quickstep/views/RecentsView.java
+++ b/quickstep/src/com/android/quickstep/views/RecentsView.java
@@ -170,7 +170,7 @@
     // Keeps track of task views whose visual state should not be reset
     private ArraySet<TaskView> mIgnoreResetTaskViews = new ArraySet<>();
 
-    private RecentsViewContainer mContainerView;
+    private View mClearAllButton;
 
     // Variables for empty state
     private final Drawable mEmptyIcon;
@@ -312,12 +312,15 @@
 
     @Override
     public boolean onTouchEvent(MotionEvent ev) {
-        if (DEBUG_SHOW_CLEAR_ALL_BUTTON && mTouchState == TOUCH_STATE_REST && mScroller.isFinished()
-                && getChildCount() != 0
-                && ev.getX() > getChildAt(getChildCount() - 1).getRight() - getScrollX()) {
-            // If nothing is in motion, allow events to the right of the last task to go to the
-            // Clear All button.
-            return false;
+        if (DEBUG_SHOW_CLEAR_ALL_BUTTON && ev.getAction() == MotionEvent.ACTION_DOWN
+                && mTouchState == TOUCH_STATE_REST && mScroller.isFinished()
+                && mClearAllButton.getVisibility() == View.VISIBLE) {
+            mClearAllButton.getHitRect(mTempRect);
+            mTempRect.offset(-getLeft(), -getTop());
+            if (mTempRect.contains((int) ev.getX(), (int) ev.getY())) {
+                // If nothing is in motion, let the Clear All button process the event.
+                return false;
+            }
         }
 
         if (ev.getAction() == MotionEvent.ACTION_UP && mShowEmptyMessage) {
@@ -928,8 +931,8 @@
         mShowEmptyMessage = isEmpty;
         updateEmptyStateUi(hasSizeChanged);
         invalidate();
-        if (mContainerView != null) {
-            mContainerView.onEmptyStateChanged(!DEBUG_SHOW_CLEAR_ALL_BUTTON || mShowEmptyMessage);
+        if (mClearAllButton != null) {
+            updateClearAllButtonVisibility();
         }
     }
 
@@ -943,6 +946,7 @@
         boolean hasValidSize = getWidth() > 0 && getHeight() > 0;
         if (sizeChanged && hasValidSize) {
             mEmptyTextLayout = null;
+            mLastMeasureSize.set(getWidth(), getHeight());
         }
 
         if (!mShowEmptyMessage) return;
@@ -953,7 +957,6 @@
         scrollTo(0, 0);
 
         if (hasValidSize && mEmptyTextLayout == null) {
-            mLastMeasureSize.set(getWidth(), getHeight());
             int availableWidth = mLastMeasureSize.x - mEmptyMessagePadding - mEmptyMessagePadding;
             mEmptyTextLayout = StaticLayout.Builder.obtain(mEmptyMessage, 0, mEmptyMessage.length(),
                     mEmptyMessagePaint, availableWidth)
@@ -1136,8 +1139,13 @@
                 R.dimen.clear_all_container_width) - getPaddingEnd();
     }
 
-    public void setContainerView(RecentsViewContainer containerView) {
-        mContainerView = containerView;
-        mContainerView.onEmptyStateChanged(!DEBUG_SHOW_CLEAR_ALL_BUTTON || mShowEmptyMessage);
+    private void updateClearAllButtonVisibility() {
+        mClearAllButton.setVisibility(
+                !DEBUG_SHOW_CLEAR_ALL_BUTTON || mShowEmptyMessage ? GONE : VISIBLE);
+    }
+
+    public void setClearAllButton(View clearAllButton) {
+        mClearAllButton = clearAllButton;
+        updateClearAllButtonVisibility();
     }
 }
diff --git a/quickstep/src/com/android/quickstep/views/RecentsViewContainer.java b/quickstep/src/com/android/quickstep/views/RecentsViewContainer.java
index ece78c1..988b3ad 100644
--- a/quickstep/src/com/android/quickstep/views/RecentsViewContainer.java
+++ b/quickstep/src/com/android/quickstep/views/RecentsViewContainer.java
@@ -43,7 +43,7 @@
         });
 
         mRecentsView = (RecentsView) findViewById(R.id.overview_panel);
-        mRecentsView.setContainerView(this);
+        mRecentsView.setClearAllButton(mClearAllButton);
     }
 
     @Override
@@ -56,7 +56,8 @@
                 (mClearAllButton.getMeasuredWidth() - getResources().getDimension(
                         R.dimen.clear_all_container_width)) / 2);
         mClearAllButton.setTranslationY(
-                mTempRect.top + (mTempRect.height() - mClearAllButton.getMeasuredHeight()) / 2);
+                mTempRect.top + (mTempRect.height() - mClearAllButton.getMeasuredHeight()) / 2
+                        - mClearAllButton.getTop());
     }
 
     @Override
@@ -74,8 +75,4 @@
         mRecentsView.setContentAlpha(alpha);
         setVisibility(alpha > 0 ? VISIBLE : GONE);
     }
-
-    public void onEmptyStateChanged(boolean isEmpty) {
-        mClearAllButton.setVisibility(isEmpty ? GONE : VISIBLE);
-    }
 }
\ No newline at end of file
diff --git a/res/values/strings.xml b/res/values/strings.xml
index bcb90e3..4fbd806 100644
--- a/res/values/strings.xml
+++ b/res/values/strings.xml
@@ -179,6 +179,10 @@
     <string name="msg_disabled_by_admin">Disabled by your admin</string>
 
     <!-- Strings for settings -->
+    <!-- Title for Allow Rotation setting. [CHAR LIMIT=50] -->
+    <string name="allow_rotation_title">Allow Home screen rotation</string>
+    <!-- Text explaining when the home screen will get rotated. [CHAR LIMIT=100] -->
+    <string name="allow_rotation_desc">When phone is rotated</string>
     <!-- Title for Notification dots setting. Tapping this will link to the system Notifications settings screen where the user can turn off notification dots globally. [CHAR LIMIT=50] -->
     <string name="icon_badging_title">Notification dots</string>
     <!-- Text to indicate that the system icon badging setting is on [CHAR LIMIT=100] -->
diff --git a/res/xml/launcher_preferences.xml b/res/xml/launcher_preferences.xml
index 7bb19f3..3bba73a 100644
--- a/res/xml/launcher_preferences.xml
+++ b/res/xml/launcher_preferences.xml
@@ -34,8 +34,14 @@
         android:title="@string/auto_add_shortcuts_label"
         android:summary="@string/auto_add_shortcuts_description"
         android:defaultValue="true"
-        android:persistent="true"
-        />
+        android:persistent="true" />
+
+    <SwitchPreference
+        android:key="pref_allowRotation"
+        android:title="@string/allow_rotation_title"
+        android:summary="@string/allow_rotation_desc"
+        android:defaultValue="@bool/allow_rotation"
+        android:persistent="true" />
 
     <ListPreference
         android:key="pref_override_icon_shape"
diff --git a/src/com/android/launcher3/BaseActivity.java b/src/com/android/launcher3/BaseActivity.java
index a41edc0..d133472 100644
--- a/src/com/android/launcher3/BaseActivity.java
+++ b/src/com/android/launcher3/BaseActivity.java
@@ -143,6 +143,15 @@
     }
 
     @Override
+    public void onEnterAnimationComplete() {
+        super.onEnterAnimationComplete();
+
+        // Needed for activities that auto-enter PiP, which will not trigger a remote animation to
+        // be created
+        clearForceInvisibleFlag(INVISIBLE_BY_STATE_HANDLER);
+    }
+
+    @Override
     protected void onStop() {
         mActivityFlags &= ~ACTIVITY_STATE_STARTED & ~ACTIVITY_STATE_USER_ACTIVE;
         mForceInvisible = 0;
diff --git a/src/com/android/launcher3/Launcher.java b/src/com/android/launcher3/Launcher.java
index ec0a8ff..5e06d92 100644
--- a/src/com/android/launcher3/Launcher.java
+++ b/src/com/android/launcher3/Launcher.java
@@ -360,7 +360,7 @@
             dispatchDeviceProfileChanged();
 
             getRootView().dispatchInsets();
-            getStateManager().reapplyState();
+            getStateManager().reapplyState(true /* cancelCurrentAnimation */);
 
             // Recreate touch controllers
             mDragLayer.setup(mDragController);
diff --git a/src/com/android/launcher3/LauncherRootView.java b/src/com/android/launcher3/LauncherRootView.java
index f204c16..ad1456a2 100644
--- a/src/com/android/launcher3/LauncherRootView.java
+++ b/src/com/android/launcher3/LauncherRootView.java
@@ -1,5 +1,8 @@
 package com.android.launcher3;
 
+import static com.android.launcher3.util.SystemUiController.FLAG_DARK_NAV;
+import static com.android.launcher3.util.SystemUiController.UI_STATE_ROOT_VIEW;
+
 import android.annotation.TargetApi;
 import android.app.ActivityManager;
 import android.content.Context;
@@ -13,9 +16,6 @@
 
 import com.android.launcher3.util.Themes;
 
-import static com.android.launcher3.util.SystemUiController.FLAG_DARK_NAV;
-import static com.android.launcher3.util.SystemUiController.UI_STATE_ROOT_VIEW;
-
 public class LauncherRootView extends InsettableFrameLayout {
 
     private final Launcher mLauncher;
@@ -82,7 +82,7 @@
             }
         }
         if (resetState) {
-            mLauncher.getStateManager().reapplyState();
+            mLauncher.getStateManager().reapplyState(true /* cancelCurrentAnimation */);
         }
 
         return true; // I'll take it from here
diff --git a/src/com/android/launcher3/LauncherStateManager.java b/src/com/android/launcher3/LauncherStateManager.java
index e611af7..d196c37 100644
--- a/src/com/android/launcher3/LauncherStateManager.java
+++ b/src/com/android/launcher3/LauncherStateManager.java
@@ -157,6 +157,13 @@
     }
 
     public void reapplyState() {
+        reapplyState(false);
+    }
+
+    public void reapplyState(boolean cancelCurrentAnimation) {
+        if (cancelCurrentAnimation) {
+            cancelAnimation();
+        }
         if (mConfig.mCurrentAnimation == null) {
             for (StateHandler handler : getStateHandlers()) {
                 handler.setState(mState);
diff --git a/src/com/android/launcher3/SettingsActivity.java b/src/com/android/launcher3/SettingsActivity.java
index c9bd32b..32c198a 100644
--- a/src/com/android/launcher3/SettingsActivity.java
+++ b/src/com/android/launcher3/SettingsActivity.java
@@ -16,6 +16,9 @@
 
 package com.android.launcher3;
 
+import static com.android.launcher3.states.RotationHelper.ALLOW_ROTATION_PREFERENCE_KEY;
+import static com.android.launcher3.states.RotationHelper.getAllowRotationDefaultValue;
+
 import android.annotation.TargetApi;
 import android.app.Activity;
 import android.app.AlertDialog;
@@ -59,6 +62,7 @@
     private static final String NOTIFICATION_ENABLED_LISTENERS = "enabled_notification_listeners";
 
     private static final String EXTRA_FRAGMENT_ARG_KEY = ":settings:fragment_args_key";
+    private static final String EXTRA_SHOW_FRAGMENT_ARGS = ":settings:show_fragment_args";
     private static final int DELAY_HIGHLIGHT_DURATION_MILLIS = 600;
     private static final String SAVE_HIGHLIGHTED_KEY = "android:preference_highlighted";
 
@@ -123,6 +127,16 @@
                     getPreferenceScreen().removePreference(iconShapeOverride);
                 }
             }
+
+            // Setup allow rotation preference
+            Preference rotationPref = findPreference(ALLOW_ROTATION_PREFERENCE_KEY);
+            if (getResources().getBoolean(R.bool.allow_rotation)) {
+                // Launcher supports rotation by default. No need to show this setting.
+                getPreferenceScreen().removePreference(rotationPref);
+            } else {
+                // Initialize the UI once
+                rotationPref.setDefaultValue(getAllowRotationDefaultValue());
+            }
         }
 
         @Override
@@ -273,9 +287,13 @@
         @Override
         public void onClick(DialogInterface dialogInterface, int i) {
             ComponentName cn = new ComponentName(getActivity(), NotificationListener.class);
+            Bundle showFragmentArgs = new Bundle();
+            showFragmentArgs.putString(EXTRA_FRAGMENT_ARG_KEY, cn.flattenToString());
+
             Intent intent = new Intent(Settings.ACTION_NOTIFICATION_LISTENER_SETTINGS)
                     .addFlags(Intent.FLAG_ACTIVITY_NEW_TASK)
-                    .putExtra(":settings:fragment_args_key", cn.flattenToString());
+                    .putExtra(EXTRA_FRAGMENT_ARG_KEY, cn.flattenToString())
+                    .putExtra(EXTRA_SHOW_FRAGMENT_ARGS, showFragmentArgs);
             getActivity().startActivity(intent);
         }
     }
diff --git a/src/com/android/launcher3/anim/AnimatorPlaybackController.java b/src/com/android/launcher3/anim/AnimatorPlaybackController.java
index 087752d..1dba7d6 100644
--- a/src/com/android/launcher3/anim/AnimatorPlaybackController.java
+++ b/src/com/android/launcher3/anim/AnimatorPlaybackController.java
@@ -17,6 +17,7 @@
 
 import android.animation.Animator;
 import android.animation.Animator.AnimatorListener;
+import android.animation.AnimatorListenerAdapter;
 import android.animation.AnimatorSet;
 import android.animation.TimeInterpolator;
 import android.animation.ValueAnimator;
@@ -52,45 +53,37 @@
     private final long mDuration;
 
     protected final AnimatorSet mAnim;
-    private AnimatorSet mOriginalTarget;
 
     protected float mCurrentFraction;
     private Runnable mEndAction;
 
+    protected boolean mTargetCancelled = false;
+
     protected AnimatorPlaybackController(AnimatorSet anim, long duration) {
         mAnim = anim;
-        mOriginalTarget = mAnim;
         mDuration = duration;
 
         mAnimationPlayer = ValueAnimator.ofFloat(0, 1);
         mAnimationPlayer.setInterpolator(Interpolators.LINEAR);
         mAnimationPlayer.addListener(new OnAnimationEndDispatcher());
         mAnimationPlayer.addUpdateListener(this);
+
+        mAnim.addListener(new AnimatorListenerAdapter() {
+            @Override
+            public void onAnimationCancel(Animator animation) {
+                mTargetCancelled = true;
+            }
+        });
     }
 
     public AnimatorSet getTarget() {
         return mAnim;
     }
 
-    public void setOriginalTarget(AnimatorSet anim) {
-        mOriginalTarget = anim;
-    }
-
-    public AnimatorSet getOriginalTarget() {
-        return mOriginalTarget;
-    }
-
     public long getDuration() {
         return mDuration;
     }
 
-    public AnimatorPlaybackController cloneFor(AnimatorSet anim) {
-        AnimatorPlaybackController controller = AnimatorPlaybackController.wrap(anim, mDuration);
-        controller.setOriginalTarget(mOriginalTarget);
-        controller.setPlayFraction(mCurrentFraction);
-        return controller;
-    }
-
     /**
      * Starts playing the animation forward from current position.
      */
@@ -206,6 +199,11 @@
         @Override
         public void setPlayFraction(float fraction) {
             mCurrentFraction = fraction;
+            // Let the animator report the progress but don't apply the progress to child
+            // animations if it has been cancelled.
+            if (mTargetCancelled) {
+                return;
+            }
             long playPos = clampDuration(fraction);
             for (ValueAnimator anim : mChildAnimations) {
                 anim.setCurrentPlayTime(Math.min(playPos, anim.getDuration()));
diff --git a/src/com/android/launcher3/graphics/IconNormalizer.java b/src/com/android/launcher3/graphics/IconNormalizer.java
index 680c020..81f3f90 100644
--- a/src/com/android/launcher3/graphics/IconNormalizer.java
+++ b/src/com/android/launcher3/graphics/IconNormalizer.java
@@ -80,6 +80,7 @@
     private final float[] mLeftBorder;
     private final float[] mRightBorder;
     private final Rect mBounds;
+    private final Path mShapePath;
     private final Matrix mMatrix;
 
     private final Paint mPaintIcon;
@@ -116,6 +117,7 @@
         mPaintMaskShapeOutline.setColor(Color.BLACK);
         mPaintMaskShapeOutline.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.DST_OUT));
 
+        mShapePath = new Path();
         mMatrix = new Matrix();
         mAdaptiveIconScale = SCALE_NOT_INITIALIZED;
     }
@@ -146,13 +148,13 @@
         mMatrix.reset();
         mMatrix.setScale(mBounds.width(), mBounds.height());
         mMatrix.postTranslate(mBounds.left, mBounds.top);
-        maskPath.transform(mMatrix);
+        maskPath.transform(mMatrix, mShapePath);
 
         // XOR operation
-        mCanvasARGB.drawPath(maskPath, mPaintMaskShape);
+        mCanvasARGB.drawPath(mShapePath, mPaintMaskShape);
 
         // DST_OUT operation around the mask path outline
-        mCanvasARGB.drawPath(maskPath, mPaintMaskShapeOutline);
+        mCanvasARGB.drawPath(mShapePath, mPaintMaskShapeOutline);
 
         // Check if the result is almost transparent
         return isTransparentBitmap(mBitmapARGB);
diff --git a/src/com/android/launcher3/states/RotationHelper.java b/src/com/android/launcher3/states/RotationHelper.java
index 8f83648..0036bb9 100644
--- a/src/com/android/launcher3/states/RotationHelper.java
+++ b/src/com/android/launcher3/states/RotationHelper.java
@@ -18,28 +18,43 @@
 import static android.content.pm.ActivityInfo.SCREEN_ORIENTATION_LOCKED;
 import static android.content.pm.ActivityInfo.SCREEN_ORIENTATION_NOSENSOR;
 import static android.content.pm.ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED;
-import static android.provider.Settings.System.ACCELEROMETER_ROTATION;
-import static android.provider.Settings.System.getUriFor;
+import static android.util.DisplayMetrics.DENSITY_DEVICE_STABLE;
+
+import static com.android.launcher3.Utilities.ATLEAST_NOUGAT;
 
 import android.app.Activity;
-import android.content.ContentResolver;
-import android.database.ContentObserver;
-import android.os.Handler;
-import android.provider.Settings;
+import android.content.SharedPreferences;
+import android.content.SharedPreferences.OnSharedPreferenceChangeListener;
+import android.content.res.Resources;
 
 import com.android.launcher3.R;
+import com.android.launcher3.Utilities;
 
 /**
  * Utility class to manage launcher rotation
  */
-public class RotationHelper extends ContentObserver {
+public class RotationHelper implements OnSharedPreferenceChangeListener {
+
+    public static final String ALLOW_ROTATION_PREFERENCE_KEY = "pref_allowRotation";
+
+    public static boolean getAllowRotationDefaultValue() {
+        if (ATLEAST_NOUGAT) {
+            // If the device was scaled, used the original dimensions to determine if rotation
+            // is allowed of not.
+            Resources res = Resources.getSystem();
+            int originalSmallestWidth = res.getConfiguration().smallestScreenWidthDp
+                    * res.getDisplayMetrics().densityDpi / DENSITY_DEVICE_STABLE;
+            return originalSmallestWidth >= 600;
+        }
+        return false;
+    }
 
     public static final int REQUEST_NONE = 0;
     public static final int REQUEST_ROTATE = 1;
     public static final int REQUEST_LOCK = 2;
 
     private final Activity mActivity;
-    private final ContentResolver mCr;
+    private final SharedPreferences mPrefs;
 
     private final boolean mIgnoreAutoRotateSettings;
     private boolean mAutoRotateEnabled;
@@ -60,23 +75,24 @@
     private int mLastActivityFlags = -1;
 
     public RotationHelper(Activity activity) {
-        super(new Handler());
         mActivity = activity;
 
         // On large devices we do not handle auto-rotate differently.
         mIgnoreAutoRotateSettings = mActivity.getResources().getBoolean(R.bool.allow_rotation);
         if (!mIgnoreAutoRotateSettings) {
-            mCr = mActivity.getContentResolver();
-            mCr.registerContentObserver(getUriFor(ACCELEROMETER_ROTATION), false, this);
-            mAutoRotateEnabled = Settings.System.getInt(mCr, ACCELEROMETER_ROTATION, 1) == 1;
+            mPrefs = Utilities.getPrefs(mActivity);
+            mPrefs.registerOnSharedPreferenceChangeListener(this);
+            mAutoRotateEnabled = mPrefs.getBoolean(ALLOW_ROTATION_PREFERENCE_KEY,
+                    getAllowRotationDefaultValue());
         } else {
-            mCr = null;
+            mPrefs = null;
         }
     }
 
     @Override
-    public void onChange(boolean selfChange) {
-        mAutoRotateEnabled = Settings.System.getInt(mCr, ACCELEROMETER_ROTATION, 1) == 1;
+    public void onSharedPreferenceChanged(SharedPreferences sharedPreferences, String s) {
+        mAutoRotateEnabled = mPrefs.getBoolean(ALLOW_ROTATION_PREFERENCE_KEY,
+                getAllowRotationDefaultValue());
         notifyChange();
     }
 
@@ -104,8 +120,8 @@
     public void destroy() {
         if (!mDestroyed) {
             mDestroyed = true;
-            if (mCr != null) {
-                mCr.unregisterContentObserver(this);
+            if (mPrefs != null) {
+                mPrefs.unregisterOnSharedPreferenceChangeListener(this);
             }
         }
     }
@@ -121,19 +137,17 @@
                     SCREEN_ORIENTATION_LOCKED : SCREEN_ORIENTATION_UNSPECIFIED;
         } else if (mCurrentStateRequest == REQUEST_LOCK) {
             activityFlags = SCREEN_ORIENTATION_LOCKED;
-        } else if (mIgnoreAutoRotateSettings || mCurrentStateRequest == REQUEST_ROTATE) {
+        } else if (mIgnoreAutoRotateSettings || mCurrentStateRequest == REQUEST_ROTATE
+                || mAutoRotateEnabled) {
             activityFlags = SCREEN_ORIENTATION_UNSPECIFIED;
-        } else if (mAutoRotateEnabled) {
-            // If auto rotation is on, lock to device orientation
-            activityFlags = SCREEN_ORIENTATION_NOSENSOR;
         } else {
             // If auto rotation is off, allow rotation on the activity, in case the user is using
             // forced rotation.
-            activityFlags = SCREEN_ORIENTATION_UNSPECIFIED;
+            activityFlags = SCREEN_ORIENTATION_NOSENSOR;
         }
         if (activityFlags != mLastActivityFlags) {
             mLastActivityFlags = activityFlags;
-            mActivity.setRequestedOrientation(mLastActivityFlags);
+            mActivity.setRequestedOrientation(activityFlags);
         }
     }
 }
diff --git a/src/com/android/launcher3/touch/AbstractStateChangeTouchController.java b/src/com/android/launcher3/touch/AbstractStateChangeTouchController.java
index f1195ed..4c7ce1f 100644
--- a/src/com/android/launcher3/touch/AbstractStateChangeTouchController.java
+++ b/src/com/android/launcher3/touch/AbstractStateChangeTouchController.java
@@ -279,7 +279,7 @@
 
     @Override
     public void onAnimationCancel(Animator animation) {
-        if (mCurrentAnimation != null && animation == mCurrentAnimation.getOriginalTarget()) {
+        if (mCurrentAnimation != null && animation == mCurrentAnimation.getTarget()) {
             Log.e(TAG, "Who dare cancel the animation when I am in control", new Exception());
             clearState();
         }