diff --git a/src/com/android/launcher3/Utilities.java b/src/com/android/launcher3/Utilities.java
index 3cabc87..7d818d2 100644
--- a/src/com/android/launcher3/Utilities.java
+++ b/src/com/android/launcher3/Utilities.java
@@ -381,6 +381,21 @@
     }
 
     /**
+     * Similar to {@link #scaleRectAboutCenter(Rect, float)} except this allows different scales
+     * for X and Y
+     */
+    public static void scaleRectFAboutCenter(RectF r, float scaleX, float scaleY) {
+        float px = r.centerX();
+        float py = r.centerY();
+        r.offset(-px, -py);
+        r.left = r.left * scaleX;
+        r.top = r.top * scaleY;
+        r.right = r.right * scaleX;
+        r.bottom = r.bottom * scaleY;
+        r.offset(px, py);
+    }
+
+    /**
      * Maps t from one range to another range.
      * @param t The value to map.
      * @param fromMin The lower bound of the range that t is being mapped from.
diff --git a/src/com/android/launcher3/anim/PendingAnimation.java b/src/com/android/launcher3/anim/PendingAnimation.java
index 01f7de6..3ab893b 100644
--- a/src/com/android/launcher3/anim/PendingAnimation.java
+++ b/src/com/android/launcher3/anim/PendingAnimation.java
@@ -56,6 +56,10 @@
         mAnim = new AnimatorSet();
     }
 
+    public long getDuration() {
+        return mDuration;
+    }
+
     /**
      * Utility method to sent an interpolator on an animation and add it to the list
      */
diff --git a/src/com/android/launcher3/touch/LandscapePagedViewHandler.java b/src/com/android/launcher3/touch/LandscapePagedViewHandler.java
index d047eca..816e5dc 100644
--- a/src/com/android/launcher3/touch/LandscapePagedViewHandler.java
+++ b/src/com/android/launcher3/touch/LandscapePagedViewHandler.java
@@ -205,6 +205,16 @@
     }
 
     @Override
+    public void setPrimaryScale(View view, float scale) {
+        view.setScaleY(scale);
+    }
+
+    @Override
+    public void setSecondaryScale(View view, float scale) {
+        view.setScaleX(scale);
+    }
+
+    @Override
     public int getChildStart(View view) {
         return view.getTop();
     }
@@ -353,6 +363,25 @@
     }
 
     @Override
+    public void getInitialSplitPlaceholderBounds(int placeholderHeight, DeviceProfile dp,
+            SplitPositionOption splitPositionOption, Rect out) {
+        // In fake land/seascape, the placeholder always needs to go to the "top" of the device,
+        // which is the same bounds as 0 rotation.
+        int width = dp.widthPx;
+        out.set(0, 0, width, placeholderHeight);
+    }
+
+    @Override
+    public void getFinalSplitPlaceholderBounds(int splitDividerSize, DeviceProfile dp,
+            SplitPositionOption initialSplitOption, Rect out1, Rect out2) {
+        // In fake land/seascape, the window bounds are always top and bottom half
+        int screenHeight = dp.heightPx;
+        int screenWidth = dp.widthPx;
+        out1.set(0, 0, screenWidth, screenHeight / 2  - splitDividerSize);
+        out2.set(0, screenHeight / 2  + splitDividerSize, screenWidth, screenHeight);
+    }
+
+    @Override
     public FloatProperty getSplitSelectTaskOffset(FloatProperty primary, FloatProperty secondary,
             DeviceProfile deviceProfile) {
         return primary;
diff --git a/src/com/android/launcher3/touch/PagedOrientationHandler.java b/src/com/android/launcher3/touch/PagedOrientationHandler.java
index 266e05f..dae2dde 100644
--- a/src/com/android/launcher3/touch/PagedOrientationHandler.java
+++ b/src/com/android/launcher3/touch/PagedOrientationHandler.java
@@ -99,6 +99,8 @@
     boolean getRecentsRtlSetting(Resources resources);
     float getDegreesRotated();
     int getRotation();
+    void setPrimaryScale(View view, float scale);
+    void setSecondaryScale(View view, float scale);
 
     <T> T getPrimaryValue(T x, T y);
     <T> T getSecondaryValue(T x, T y);
@@ -114,6 +116,22 @@
             DeviceProfile deviceProfile);
     int getDistanceToBottomOfRect(DeviceProfile dp, Rect rect);
     List<SplitPositionOption> getSplitPositionOptions(DeviceProfile dp);
+    /**
+     * @param splitholderSize height of placeholder view in portrait, width in landscape
+     */
+    void getInitialSplitPlaceholderBounds(int splitholderSize, DeviceProfile dp,
+            SplitPositionOption splitPositionOption, Rect out);
+
+    /**
+     * @param splitDividerSize height of split screen drag handle in portrait, width in landscape
+     * @param initialSplitOption the split position option (top/left, bottom/right) of the first
+     *                           task selected for entering split
+     * @param out1 the bounds for where the first selected app will be
+     * @param out2 the bounds for where the second selected app will be, complimentary to
+     *             {@param out1} based on {@param initialSplitOption}
+     */
+    void getFinalSplitPlaceholderBounds(int splitDividerSize, DeviceProfile dp,
+            SplitPositionOption initialSplitOption, Rect out1, Rect out2);
 
     // Overview TaskMenuView methods
     float getTaskMenuX(float x, View thumbnailView, int overScroll);
diff --git a/src/com/android/launcher3/touch/PortraitPagedViewHandler.java b/src/com/android/launcher3/touch/PortraitPagedViewHandler.java
index dd97af5..1253589 100644
--- a/src/com/android/launcher3/touch/PortraitPagedViewHandler.java
+++ b/src/com/android/launcher3/touch/PortraitPagedViewHandler.java
@@ -24,6 +24,7 @@
 import static com.android.launcher3.util.SplitConfigurationOptions.STAGE_TYPE_MAIN;
 
 import android.content.res.Resources;
+import android.graphics.Matrix;
 import android.graphics.PointF;
 import android.graphics.Rect;
 import android.graphics.RectF;
@@ -47,6 +48,9 @@
 
 public class PortraitPagedViewHandler implements PagedOrientationHandler {
 
+    private final Matrix mTmpMatrix = new Matrix();
+    private final RectF mTmpRectF = new RectF();
+
     @Override
     public <T> T getPrimaryValue(T x, T y) {
         return x;
@@ -207,6 +211,16 @@
     }
 
     @Override
+    public void setPrimaryScale(View view, float scale) {
+        view.setScaleX(scale);
+    }
+
+    @Override
+    public void setSecondaryScale(View view, float scale) {
+        view.setScaleY(scale);
+    }
+
+    @Override
     public int getChildStart(View view) {
         return view.getLeft();
     }
@@ -398,6 +412,62 @@
     }
 
     @Override
+    public void getInitialSplitPlaceholderBounds(int placeholderHeight, DeviceProfile dp,
+            SplitPositionOption splitPositionOption, Rect out) {
+        int width = dp.widthPx;
+        out.set(0, 0, width, placeholderHeight);
+        if (!dp.isLandscape) {
+            // portrait, phone or tablet - spans width of screen, nothing else to do
+            return;
+        }
+
+        // Now we rotate the portrait rect depending on what side we want pinned
+        boolean pinToRight = splitPositionOption.mStagePosition == STAGE_POSITION_BOTTOM_OR_RIGHT;
+
+        int screenHeight = dp.heightPx;
+        float postRotateScale = (float) screenHeight / width;
+        mTmpMatrix.reset();
+        mTmpMatrix.postRotate(pinToRight ? 90 : 270);
+        mTmpMatrix.postTranslate(pinToRight ? width : 0, pinToRight ? 0 : width);
+        // The placeholder height stays constant after rotation, so we don't change width scale
+        mTmpMatrix.postScale(1, postRotateScale);
+
+        mTmpRectF.set(out);
+        mTmpMatrix.mapRect(mTmpRectF);
+        mTmpRectF.roundOut(out);
+    }
+
+    @Override
+    public void getFinalSplitPlaceholderBounds(int splitDividerSize, DeviceProfile dp,
+            SplitPositionOption initialSplitOption, Rect out1, Rect out2) {
+        int screenHeight = dp.heightPx;
+        int screenWidth = dp.widthPx;
+        out1.set(0, 0, screenWidth, screenHeight / 2 - splitDividerSize);
+        out2.set(0, screenHeight / 2 + splitDividerSize, screenWidth, screenHeight);
+        if (!dp.isLandscape) {
+            // Portrait - the window bounds are always top and bottom half
+            return;
+        }
+
+        // Now we rotate the portrait rect depending on what side we want pinned
+        boolean pinToRight = initialSplitOption.mStagePosition == STAGE_POSITION_BOTTOM_OR_RIGHT;
+        float postRotateScale = (float) screenHeight / screenWidth;
+
+        mTmpMatrix.reset();
+        mTmpMatrix.postRotate(pinToRight ? 90 : 270);
+        mTmpMatrix.postTranslate(pinToRight ? screenHeight : 0, pinToRight ? 0 : screenWidth);
+        mTmpMatrix.postScale(1 / postRotateScale, postRotateScale);
+
+        mTmpRectF.set(out1);
+        mTmpMatrix.mapRect(mTmpRectF);
+        mTmpRectF.roundOut(out1);
+
+        mTmpRectF.set(out2);
+        mTmpMatrix.mapRect(mTmpRectF);
+        mTmpRectF.roundOut(out2);
+    }
+
+    @Override
     public FloatProperty getSplitSelectTaskOffset(FloatProperty primary, FloatProperty secondary,
             DeviceProfile dp) {
         if (dp.isLandscape) { // or seascape