@Override
    public int scrollHorizontallyBy(int dx, RecyclerView.Recycler recycler, RecyclerView.State state) {
        int by = super.scrollHorizontallyBy(dx, recycler, state);
        setChildOffsetsHorizontal(gravity, radius, center, peekDistance);
        return by;
    }
Create a {@link TurnLayoutManager} with default settings for gravity, orientation, and rotation.
turn/src/main/java/cdflynn/android/library/turn/TurnLayoutManager.java