diff --git a/Android.bp b/Android.bp
index 60ef5b1..bab994a 100644
--- a/Android.bp
+++ b/Android.bp
@@ -258,6 +258,10 @@
         "go/res",
         "go/quickstep/res",
     ],
+    // Note the ordering here is important when it comes to resource
+    // overriding. We want the most specific resource overrides defined
+    // in QuickstepResLib to take precendece, so it should be the final
+    // dependency. See b/205278434 for how this can go wrong.
     static_libs: [
         "Launcher3CommonDepsLib",
         "QuickstepResLib",
@@ -283,11 +287,15 @@
     libs: [
         "framework-statsd",
     ],
+    // Note the ordering here is important when it comes to resource
+    // overriding. We want the most specific resource overrides defined
+    // in QuickstepResLib to take precendece, so it should be the final
+    // dependency. See b/208647810 for how this can go wrong.
     static_libs: [
-        "QuickstepResLib",
         "SystemUI-statsd",
         "SystemUISharedLib",
         "Launcher3CommonDepsLib",
+        "QuickstepResLib",
     ],
     manifest: "quickstep/AndroidManifest.xml",
     platform_apis: true,
diff --git a/quickstep/res/layout/overview_actions_container.xml b/quickstep/res/layout/overview_actions_container.xml
index dd8afc2..1c7b509 100644
--- a/quickstep/res/layout/overview_actions_container.xml
+++ b/quickstep/res/layout/overview_actions_container.xml
@@ -51,7 +51,6 @@
             style="@style/OverviewActionButton"
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
-            android:drawableStart="@drawable/ic_split_screen"
             android:text="@string/action_split"
             android:theme="@style/ThemeControlHighlightWorkspaceColor"
             android:visibility="gone" />
diff --git a/quickstep/src/com/android/quickstep/AbsSwipeUpHandler.java b/quickstep/src/com/android/quickstep/AbsSwipeUpHandler.java
index c9cbba1..1a901f1 100644
--- a/quickstep/src/com/android/quickstep/AbsSwipeUpHandler.java
+++ b/quickstep/src/com/android/quickstep/AbsSwipeUpHandler.java
@@ -55,6 +55,7 @@
 import android.animation.AnimatorSet;
 import android.animation.ValueAnimator;
 import android.annotation.TargetApi;
+import android.app.Activity;
 import android.app.ActivityManager;
 import android.content.Context;
 import android.content.Intent;
@@ -96,6 +97,7 @@
 import com.android.quickstep.RemoteTargetGluer.RemoteTargetHandle;
 import com.android.quickstep.util.ActiveGestureLog;
 import com.android.quickstep.util.ActivityInitListener;
+import com.android.launcher3.util.ActivityLifecycleCallbacksAdapter;
 import com.android.quickstep.util.AnimatorControllerWithResistance;
 import com.android.quickstep.util.InputConsumerProxy;
 import com.android.quickstep.util.InputProxyHandlerFactory;
@@ -153,6 +155,17 @@
     protected MultiStateCallback mStateCallback;
     protected boolean mCanceled;
     private boolean mRecentsViewScrollLinked = false;
+    private final ActivityLifecycleCallbacksAdapter mLifecycleCallbacks =
+            new ActivityLifecycleCallbacksAdapter() {
+                @Override
+                public void onActivityDestroyed(Activity activity) {
+                    if (mActivity != activity) {
+                        return;
+                    }
+                    mRecentsView = null;
+                    mActivity = null;
+                }
+            };
 
     private static int getFlagForIndex(int index, String name) {
         if (DEBUG_STATES) {
@@ -416,6 +429,7 @@
         setupRecentsViewUi();
         linkRecentsViewScroll();
 
+        mActivity.registerActivityLifecycleCallbacks(mLifecycleCallbacks);
         return true;
     }
 
@@ -1542,6 +1556,9 @@
 
     private void reset() {
         mStateCallback.setStateOnUiThread(STATE_HANDLER_INVALIDATED);
+        if (mActivity != null) {
+            mActivity.unregisterActivityLifecycleCallbacks(mLifecycleCallbacks);
+        }
     }
 
     /**
diff --git a/quickstep/src/com/android/quickstep/LauncherSwipeHandlerV2.java b/quickstep/src/com/android/quickstep/LauncherSwipeHandlerV2.java
index 8a30aad..5541a46 100644
--- a/quickstep/src/com/android/quickstep/LauncherSwipeHandlerV2.java
+++ b/quickstep/src/com/android/quickstep/LauncherSwipeHandlerV2.java
@@ -115,8 +115,6 @@
     }
 
     private HomeAnimationFactory createIconHomeAnimationFactory(View workspaceView) {
-        final ResourceProvider rp = DynamicResource.provider(mActivity);
-        final float transY = dpToPx(rp.getFloat(R.dimen.swipe_up_trans_y_dp));
         RectF iconLocation = new RectF();
         FloatingIconView floatingIconView = getFloatingIconView(mActivity, workspaceView,
                 true /* hideOriginal */, iconLocation, false /* isOpening */);
@@ -127,19 +125,15 @@
 
         return new FloatingViewHomeAnimationFactory(floatingIconView) {
 
-            // There is a delay in loading the icon, so we need to keep the window
-            // opaque until it is ready.
-            private boolean mIsFloatingIconReady = false;
-
             @Nullable
             @Override
             protected View getViewIgnoredInWorkspaceRevealAnimation() {
                 return workspaceView;
             }
 
+            @NonNull
             @Override
             public RectF getWindowTargetRect() {
-                super.getWindowTargetRect();
                 return iconLocation;
             }
 
@@ -152,15 +146,6 @@
             }
 
             @Override
-            public boolean keepWindowOpaque() {
-                if (mIsFloatingIconReady || floatingIconView.isVisibleToUser()) {
-                    mIsFloatingIconReady = true;
-                    return false;
-                }
-                return true;
-            }
-
-            @Override
             public void update(RectF currentRect, float progress, float radius) {
                 super.update(currentRect, progress, radius);
                 floatingIconView.update(1f /* alpha */, 255 /* fgAlpha */, currentRect, progress,
@@ -215,11 +200,6 @@
             }
 
             @Override
-            public boolean keepWindowOpaque() {
-                return false;
-            }
-
-            @Override
             public void update(RectF currentRect, float progress, float radius) {
                 super.update(currentRect, progress, radius);
                 final float fallbackBackgroundAlpha =
diff --git a/quickstep/src/com/android/quickstep/SwipeUpAnimationLogic.java b/quickstep/src/com/android/quickstep/SwipeUpAnimationLogic.java
index b36cb0a..8e9b668 100644
--- a/quickstep/src/com/android/quickstep/SwipeUpAnimationLogic.java
+++ b/quickstep/src/com/android/quickstep/SwipeUpAnimationLogic.java
@@ -183,8 +183,6 @@
 
         public void setAnimation(RectFSpringAnim anim) { }
 
-        public boolean keepWindowOpaque() { return false; }
-
         public void update(RectF currentRect, float progress, float radius) { }
 
         public void onCancel() { }
@@ -338,9 +336,6 @@
             mMatrix.setRectToRect(mCropRectF, mWindowCurrentRect, ScaleToFit.FILL);
             float cornerRadius = Utilities.mapRange(progress, mStartRadius, mEndRadius);
             float alpha = mAnimationFactory.getWindowAlpha(progress);
-            if (mAnimationFactory.keepWindowOpaque()) {
-                alpha = 1f;
-            }
             mLocalTransformParams
                     .setTargetAlpha(alpha)
                     .setCornerRadius(cornerRadius);
diff --git a/quickstep/src/com/android/quickstep/TaskViewUtils.java b/quickstep/src/com/android/quickstep/TaskViewUtils.java
index e77ec78..97fc6d7 100644
--- a/quickstep/src/com/android/quickstep/TaskViewUtils.java
+++ b/quickstep/src/com/android/quickstep/TaskViewUtils.java
@@ -316,7 +316,7 @@
                 mt[i] = localMt;
 
                 Matrix localMti = new Matrix();
-                localMti.invert(localMt);
+                localMt.invert(localMti);
                 mti[i] = localMti;
             }
 
diff --git a/quickstep/src/com/android/quickstep/views/GroupedTaskView.java b/quickstep/src/com/android/quickstep/views/GroupedTaskView.java
index 9311261..b215ef1 100644
--- a/quickstep/src/com/android/quickstep/views/GroupedTaskView.java
+++ b/quickstep/src/com/android/quickstep/views/GroupedTaskView.java
@@ -249,7 +249,7 @@
         boolean isRtl = getLayoutDirection() == LAYOUT_DIRECTION_RTL;
 
         getPagedOrientationHandler().setSplitIconParams(mIconView, mIconView2,
-                taskIconHeight, mSnapshotView.getWidth(), mSnapshotView.getHeight(),
+                taskIconHeight, mSnapshotView.getMeasuredWidth(), mSnapshotView.getMeasuredHeight(),
                 isRtl, deviceProfile, mSplitBoundsConfig);
     }
 
diff --git a/quickstep/src/com/android/quickstep/views/OverviewActionsView.java b/quickstep/src/com/android/quickstep/views/OverviewActionsView.java
index b6bf59f..81c07a6 100644
--- a/quickstep/src/com/android/quickstep/views/OverviewActionsView.java
+++ b/quickstep/src/com/android/quickstep/views/OverviewActionsView.java
@@ -22,6 +22,7 @@
 import android.util.AttributeSet;
 import android.view.View;
 import android.view.View.OnClickListener;
+import android.widget.Button;
 import android.widget.FrameLayout;
 
 import androidx.annotation.IntDef;
@@ -80,7 +81,7 @@
     private static final int INDEX_HIDDEN_FLAGS_ALPHA = 3;
 
     private final MultiValueAlpha mMultiValueAlpha;
-    private View mSplitButton;
+    private Button mSplitButton;
 
     @ActionsHiddenFlags
     private int mHiddenFlags;
@@ -215,6 +216,10 @@
         mDp = dp;
         updateVerticalMargin(SysUINavigationMode.getMode(getContext()));
         requestLayout();
+
+        mSplitButton.setCompoundDrawablesWithIntrinsicBounds(
+                (dp.isLandscape ? R.drawable.ic_split_horizontal : R.drawable.ic_split_vertical),
+                0, 0, 0);
     }
 
     public void setSplitButtonVisible(boolean visible) {
diff --git a/quickstep/src/com/android/quickstep/views/RecentsView.java b/quickstep/src/com/android/quickstep/views/RecentsView.java
index 3020dd9..2ad586d 100644
--- a/quickstep/src/com/android/quickstep/views/RecentsView.java
+++ b/quickstep/src/com/android/quickstep/views/RecentsView.java
@@ -1041,6 +1041,17 @@
         }
     }
 
+    public boolean isTaskViewFullyVisible(TaskView tv) {
+        if (showAsGrid()) {
+            int screenStart = mOrientationHandler.getPrimaryScroll(this);
+            int screenEnd = screenStart + mOrientationHandler.getMeasuredSize(this);
+            return isTaskViewFullyWithinBounds(tv, screenStart, screenEnd);
+        } else {
+            // For now, just check if it's the active task
+            return indexOfChild(tv) == getNextPage();
+        }
+    }
+
     @Nullable
     private TaskView getLastGridTaskView() {
         return getLastGridTaskView(getTopRowIdArray(), getBottomRowIdArray());
@@ -1087,6 +1098,15 @@
                 && taskEnd <= end);
     }
 
+    private boolean isTaskViewFullyWithinBounds(TaskView tv, int start, int end) {
+        int taskStart = mOrientationHandler.getChildStart(tv) + (int) tv.getOffsetAdjustment(
+                showAsFullscreen(), showAsGrid());
+        int taskSize = (int) (mOrientationHandler.getMeasuredSize(tv) * tv.getSizeAdjustment(
+                showAsFullscreen()));
+        int taskEnd = taskStart + taskSize;
+        return taskStart >= start && taskEnd <= end;
+    }
+
     /**
      * Returns true if the task is in expected scroll position.
      *
@@ -4854,6 +4874,62 @@
     }
 
     @Override
+    public boolean scrollLeft() {
+        if (!showAsGrid()) {
+            return super.scrollLeft();
+        }
+
+        int targetPage = getNextPage();
+        if (targetPage >= 0) {
+            // Find the next page that is not fully visible.
+            TaskView taskView = getTaskViewAt(targetPage);
+            while ((taskView == null || isTaskViewFullyVisible(taskView)) && targetPage - 1 >= 0) {
+                taskView = getTaskViewAt(--targetPage);
+            }
+            // Target a scroll where targetPage is on left of screen but still fully visible.
+            int lastTaskEnd = (mIsRtl
+                    ? mLastComputedGridSize.left
+                    : mLastComputedGridSize.right)
+                    + (mIsRtl ? mPageSpacing : -mPageSpacing);
+            int normalTaskEnd = mIsRtl
+                    ? mLastComputedGridTaskSize.left
+                    : mLastComputedGridTaskSize.right;
+            int targetScroll = getScrollForPage(targetPage) + normalTaskEnd - lastTaskEnd;
+            // Find a page that is close to targetScroll while not over it.
+            while (targetPage - 1 >= 0
+                    && (mIsRtl
+                    ? getScrollForPage(targetPage - 1) < targetScroll
+                    : getScrollForPage(targetPage - 1) > targetScroll)) {
+                targetPage--;
+            }
+            snapToPage(targetPage);
+            return true;
+        }
+
+        return mAllowOverScroll;
+    }
+
+    @Override
+    public boolean scrollRight() {
+        if (!showAsGrid()) {
+            return super.scrollRight();
+        }
+
+        int targetPage = getNextPage();
+        if (targetPage < getChildCount()) {
+            // Find the next page that is not fully visible.
+            TaskView taskView = getTaskViewAt(targetPage);
+            while ((taskView != null && isTaskViewFullyVisible(taskView))
+                    && targetPage + 1 < getChildCount()) {
+                taskView = getTaskViewAt(++targetPage);
+            }
+            snapToPage(targetPage);
+            return true;
+        }
+        return mAllowOverScroll;
+    }
+
+    @Override
     protected void onScrollChanged(int l, int t, int oldl, int oldt) {
         super.onScrollChanged(l, t, oldl, oldt);
         dispatchScrollChanged();
diff --git a/res/drawable/ic_split_horizontal.xml b/res/drawable/ic_split_horizontal.xml
new file mode 100644
index 0000000..ee710d0
--- /dev/null
+++ b/res/drawable/ic_split_horizontal.xml
@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="20dp"
+    android:height="16dp"
+    android:viewportWidth="20"
+    android:viewportHeight="16">
+  <path
+      android:pathData="M18,14L13,14L13,2L18,2L18,14ZM20,14L20,2C20,0.9 19.1,-0 18,-0L13,-0C11.9,-0 11,0.9 11,2L11,14C11,15.1 11.9,16 13,16L18,16C19.1,16 20,15.1 20,14ZM7,14L2,14L2,2L7,2L7,14ZM9,14L9,2C9,0.9 8.1,-0 7,-0L2,-0C0.9,-0 -0,0.9 -0,2L-0,14C-0,15.1 0.9,16 2,16L7,16C8.1,16 9,15.1 9,14Z"
+      android:fillColor="#000000"/>
+</vector>
diff --git a/res/drawable/ic_split_left.xml b/res/drawable/ic_split_left.xml
new file mode 100644
index 0000000..fc9f699
--- /dev/null
+++ b/res/drawable/ic_split_left.xml
@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="20dp"
+    android:height="16dp"
+    android:viewportWidth="20"
+    android:viewportHeight="16">
+  <path
+      android:pathData="M-0,2L-0,14C-0,15.1 0.9,16 2,16L7,16C8.1,16 9,15.1 9,14L9,2C9,0.9 8.1,-0 7,-0L2,-0C0.9,-0 -0,0.9 -0,2ZM13,2L18,2L18,14L13,14L13,2ZM11,2L11,14C11,15.1 11.9,16 13,16L18,16C19.1,16 20,15.1 20,14L20,2C20,0.9 19.1,-0 18,-0L13,-0C11.9,-0 11,0.9 11,2Z"
+      android:fillColor="#000000"/>
+</vector>
diff --git a/res/drawable/ic_split_right.xml b/res/drawable/ic_split_right.xml
new file mode 100644
index 0000000..cc15622
--- /dev/null
+++ b/res/drawable/ic_split_right.xml
@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="20dp"
+    android:height="16dp"
+    android:viewportWidth="20"
+    android:viewportHeight="16">
+  <path
+      android:pathData="M20,14L20,2C20,0.9 19.1,-0 18,-0L13,-0C11.9,-0 11,0.9 11,2L11,14C11,15.1 11.9,16 13,16L18,16C19.1,16 20,15.1 20,14ZM7,14L2,14L2,2L7,2L7,14ZM9,14L9,2C9,0.9 8.1,-0 7,-0L2,-0C0.9,-0 -0,0.9 -0,2L-0,14C-0,15.1 0.9,16 2,16L7,16C8.1,16 9,15.1 9,14Z"
+      android:fillColor="#000000"/>
+</vector>
diff --git a/res/drawable/ic_split_top.xml b/res/drawable/ic_split_top.xml
new file mode 100644
index 0000000..f8c15bd
--- /dev/null
+++ b/res/drawable/ic_split_top.xml
@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="16dp"
+    android:height="20dp"
+    android:viewportWidth="16"
+    android:viewportHeight="20">
+  <path
+      android:pathData="M14,0H2C0.9,0 0,0.9 0,2V7C0,8.1 0.9,9 2,9H14C15.1,9 16,8.1 16,7V2C16,0.9 15.1,0 14,0ZM14,13V18H2V13H14ZM14,11H2C0.9,11 0,11.9 0,13V18C0,19.1 0.9,20 2,20H14C15.1,20 16,19.1 16,18V13C16,11.9 15.1,11 14,11Z"
+      android:fillColor="#000000"/>
+</vector>
diff --git a/res/drawable/ic_split_vertical.xml b/res/drawable/ic_split_vertical.xml
new file mode 100644
index 0000000..9bc9785
--- /dev/null
+++ b/res/drawable/ic_split_vertical.xml
@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+  <path
+      android:pathData="M18,4V9H6V4H18ZM18,2H6C4.9,2 4,2.9 4,4V9C4,10.1 4.9,11 6,11H18C19.1,11 20,10.1 20,9V4C20,2.9 19.1,2 18,2ZM18,15V20H6V15H18ZM18,13H6C4.9,13 4,13.9 4,15V20C4,21.1 4.9,22 6,22H18C19.1,22 20,21.1 20,20V15C20,13.9 19.1,13 18,13Z"
+      android:fillColor="#000000"/>
+</vector>
diff --git a/res/values/dimens.xml b/res/values/dimens.xml
index c689942..2dfd5cc 100644
--- a/res/values/dimens.xml
+++ b/res/values/dimens.xml
@@ -300,6 +300,7 @@
     <dimen name="snackbar_elevation">3dp</dimen>
     <dimen name="snackbar_min_text_size">12sp</dimen>
     <dimen name="snackbar_max_text_size">14sp</dimen>
+    <dimen name="snackbar_max_width">504dp</dimen>
 
 <!-- Developer Options -->
     <dimen name="developer_options_filter_margins">10dp</dimen>
diff --git a/src/com/android/launcher3/PagedView.java b/src/com/android/launcher3/PagedView.java
index 1ce7ebe..2c14f07 100644
--- a/src/com/android/launcher3/PagedView.java
+++ b/src/com/android/launcher3/PagedView.java
@@ -1749,20 +1749,23 @@
     public void onInitializeAccessibilityNodeInfo(AccessibilityNodeInfo info) {
         super.onInitializeAccessibilityNodeInfo(info);
         final boolean pagesFlipped = isPageOrderFlipped();
-        int offset = (mAllowOverScroll ? 0 : 1);
-        info.setScrollable(getPageCount() > offset);
-        if (getCurrentPage() < getPageCount() - offset) {
+        info.setScrollable(getPageCount() > 0);
+        int primaryScroll = mOrientationHandler.getPrimaryScroll(this);
+        if (getCurrentPage() < getPageCount() - getPanelCount()
+                || (getCurrentPage() == getPageCount() - getPanelCount()
+                && primaryScroll != getScrollForPage(getPageCount() - getPanelCount()))) {
             info.addAction(pagesFlipped ?
-                AccessibilityNodeInfo.AccessibilityAction.ACTION_SCROLL_BACKWARD
-                : AccessibilityNodeInfo.AccessibilityAction.ACTION_SCROLL_FORWARD);
+                    AccessibilityNodeInfo.AccessibilityAction.ACTION_SCROLL_BACKWARD
+                    : AccessibilityNodeInfo.AccessibilityAction.ACTION_SCROLL_FORWARD);
             info.addAction(mIsRtl ?
                 AccessibilityNodeInfo.AccessibilityAction.ACTION_PAGE_LEFT
                 : AccessibilityNodeInfo.AccessibilityAction.ACTION_PAGE_RIGHT);
         }
-        if (getCurrentPage() >= offset) {
+        if (getCurrentPage() > 0
+                || (getCurrentPage() == 0 && primaryScroll != getScrollForPage(0))) {
             info.addAction(pagesFlipped ?
-                AccessibilityNodeInfo.AccessibilityAction.ACTION_SCROLL_FORWARD
-                : AccessibilityNodeInfo.AccessibilityAction.ACTION_SCROLL_BACKWARD);
+                    AccessibilityNodeInfo.AccessibilityAction.ACTION_SCROLL_FORWARD
+                    : AccessibilityNodeInfo.AccessibilityAction.ACTION_SCROLL_BACKWARD);
             info.addAction(mIsRtl ?
                 AccessibilityNodeInfo.AccessibilityAction.ACTION_PAGE_RIGHT
                 : AccessibilityNodeInfo.AccessibilityAction.ACTION_PAGE_LEFT);
@@ -1807,16 +1810,16 @@
             } break;
             case android.R.id.accessibilityActionPageRight: {
                 if (!mIsRtl) {
-                  return scrollRight();
+                    return scrollRight();
                 } else {
-                  return scrollLeft();
+                    return scrollLeft();
                 }
             }
             case android.R.id.accessibilityActionPageLeft: {
                 if (!mIsRtl) {
-                  return scrollLeft();
+                    return scrollLeft();
                 } else {
-                  return scrollRight();
+                    return scrollRight();
                 }
             }
         }
diff --git a/src/com/android/launcher3/touch/LandscapePagedViewHandler.java b/src/com/android/launcher3/touch/LandscapePagedViewHandler.java
index c255225..0c39067 100644
--- a/src/com/android/launcher3/touch/LandscapePagedViewHandler.java
+++ b/src/com/android/launcher3/touch/LandscapePagedViewHandler.java
@@ -357,7 +357,7 @@
     public List<SplitPositionOption> getSplitPositionOptions(DeviceProfile dp) {
         // Add "left" side of phone which is actually the top
         return Collections.singletonList(new SplitPositionOption(
-                R.drawable.ic_split_screen, R.string.split_screen_position_left,
+                R.drawable.ic_split_left, R.string.split_screen_position_left,
                 STAGE_POSITION_TOP_OR_LEFT, STAGE_TYPE_MAIN));
     }
 
diff --git a/src/com/android/launcher3/touch/PortraitPagedViewHandler.java b/src/com/android/launcher3/touch/PortraitPagedViewHandler.java
index e69944a..cb1ba7d 100644
--- a/src/com/android/launcher3/touch/PortraitPagedViewHandler.java
+++ b/src/com/android/launcher3/touch/PortraitPagedViewHandler.java
@@ -370,28 +370,27 @@
     public List<SplitPositionOption> getSplitPositionOptions(DeviceProfile dp) {
         List<SplitPositionOption> options = new ArrayList<>(1);
         // Add both left and right options if we're in tablet mode
-        // TODO: Add in correct icons
         if (dp.isTablet && dp.isLandscape) {
             options.add(new SplitPositionOption(
-                    R.drawable.ic_split_screen, R.string.split_screen_position_right,
+                    R.drawable.ic_split_right, R.string.split_screen_position_right,
                     STAGE_POSITION_BOTTOM_OR_RIGHT, STAGE_TYPE_MAIN));
             options.add(new SplitPositionOption(
-                    R.drawable.ic_split_screen, R.string.split_screen_position_left,
+                    R.drawable.ic_split_left, R.string.split_screen_position_left,
                     STAGE_POSITION_TOP_OR_LEFT, STAGE_TYPE_MAIN));
         } else {
             if (dp.isSeascape()) {
                 // Add left/right options
                 options.add(new SplitPositionOption(
-                        R.drawable.ic_split_screen, R.string.split_screen_position_right,
+                        R.drawable.ic_split_right, R.string.split_screen_position_right,
                         STAGE_POSITION_BOTTOM_OR_RIGHT, STAGE_TYPE_MAIN));
             } else if (dp.isLandscape) {
                 options.add(new SplitPositionOption(
-                        R.drawable.ic_split_screen, R.string.split_screen_position_left,
+                        R.drawable.ic_split_left, R.string.split_screen_position_left,
                         STAGE_POSITION_TOP_OR_LEFT, STAGE_TYPE_MAIN));
             } else {
                 // Only add top option
                 options.add(new SplitPositionOption(
-                        R.drawable.ic_split_screen, R.string.split_screen_position_top,
+                        R.drawable.ic_split_top, R.string.split_screen_position_top,
                         STAGE_POSITION_TOP_OR_LEFT, STAGE_TYPE_MAIN));
             }
         }
@@ -542,17 +541,18 @@
 
         if (deviceProfile.isLandscape) {
             primaryIconParams.gravity = TOP | START;
-            primaryIconView.setTranslationX(primarySnapshotWidth - primaryIconView.getWidth());
+            primaryIconView.setTranslationX(
+                    primarySnapshotWidth - primaryIconView.getMeasuredWidth());
             primaryIconView.setTranslationY(0);
             secondaryIconParams.gravity = TOP | START;
             secondaryIconView.setTranslationX(primarySnapshotWidth + dividerBar);
         } else {
             primaryIconParams.gravity = TOP | CENTER_HORIZONTAL;
-            primaryIconView.setTranslationX(-(primaryIconView.getWidth()) / 2f);
+            primaryIconView.setTranslationX(-(primaryIconView.getMeasuredWidth()) / 2f);
             primaryIconView.setTranslationY(0);
 
             secondaryIconParams.gravity = TOP | CENTER_HORIZONTAL;
-            secondaryIconView.setTranslationX(secondaryIconView.getWidth() / 2f);
+            secondaryIconView.setTranslationX(secondaryIconView.getMeasuredWidth() / 2f);
         }
         secondaryIconView.setTranslationY(0);
         primaryIconView.setLayoutParams(primaryIconParams);
diff --git a/src/com/android/launcher3/touch/SeascapePagedViewHandler.java b/src/com/android/launcher3/touch/SeascapePagedViewHandler.java
index 539e3f8..ce2e136 100644
--- a/src/com/android/launcher3/touch/SeascapePagedViewHandler.java
+++ b/src/com/android/launcher3/touch/SeascapePagedViewHandler.java
@@ -115,7 +115,7 @@
     public List<SplitPositionOption> getSplitPositionOptions(DeviceProfile dp) {
         // Add "right" option which is actually the top
         return Collections.singletonList(new SplitPositionOption(
-                R.drawable.ic_split_screen, R.string.split_screen_position_right,
+                R.drawable.ic_split_right, R.string.split_screen_position_right,
                 STAGE_POSITION_TOP_OR_LEFT, STAGE_TYPE_MAIN));
     }
 
diff --git a/src/com/android/launcher3/util/ActivityLifecycleCallbacksAdapter.java b/src/com/android/launcher3/util/ActivityLifecycleCallbacksAdapter.java
new file mode 100644
index 0000000..baa8418
--- /dev/null
+++ b/src/com/android/launcher3/util/ActivityLifecycleCallbacksAdapter.java
@@ -0,0 +1,29 @@
+package com.android.launcher3.util;
+
+import android.app.Activity;
+import android.app.Application.ActivityLifecycleCallbacks;
+import android.os.Bundle;
+
+public interface ActivityLifecycleCallbacksAdapter extends ActivityLifecycleCallbacks {
+
+    default void onActivityCreated(Activity activity, Bundle bundle) {
+    }
+
+    default void onActivityDestroyed(Activity activity) {
+    }
+
+    default void onActivityPaused(Activity activity) {
+    }
+
+    default void onActivityResumed(Activity activity) {
+    }
+
+    default void onActivitySaveInstanceState(Activity activity, Bundle bundle) {
+    }
+
+    default void onActivityStarted(Activity activity) {
+    }
+
+    default void onActivityStopped(Activity activity) {
+    }
+}
diff --git a/src/com/android/launcher3/views/Snackbar.java b/src/com/android/launcher3/views/Snackbar.java
index f945819..e582114 100644
--- a/src/com/android/launcher3/views/Snackbar.java
+++ b/src/com/android/launcher3/views/Snackbar.java
@@ -88,9 +88,14 @@
         int maxMarginLeftRight = res.getDimensionPixelSize(R.dimen.snackbar_max_margin_left_right);
         int minMarginLeftRight = res.getDimensionPixelSize(R.dimen.snackbar_min_margin_left_right);
         int marginBottom = res.getDimensionPixelSize(R.dimen.snackbar_margin_bottom);
+        int absoluteMaxWidth = res.getDimensionPixelSize(R.dimen.snackbar_max_width);
         Rect insets = activity.getDeviceProfile().getInsets();
-        int maxWidth = dragLayer.getWidth() - minMarginLeftRight * 2 - insets.left - insets.right;
-        int minWidth = dragLayer.getWidth() - maxMarginLeftRight * 2 - insets.left - insets.right;
+        int maxWidth = Math.min(
+                dragLayer.getWidth() - minMarginLeftRight * 2 - insets.left - insets.right,
+                absoluteMaxWidth);
+        int minWidth = Math.min(
+                dragLayer.getWidth() - maxMarginLeftRight * 2 - insets.left - insets.right,
+                absoluteMaxWidth);
         params.width = minWidth;
         params.setMargins(0, 0, 0, marginBottom + insets.bottom);