public void setDragMoveFlags(int dragMoveFlags) {
        mDragMoveFlags = dragMoveFlags;
    }
<p>Set the drag movement direction.</p>
<p>The value should be ItemTouchHelper.UP, ItemTouchHelper.DOWN, ItemTouchHelper.LEFT, ItemTouchHelper.RIGHT or their combination.</p>
You can combine them like ItemTouchHelper.UP | ItemTouchHelper.DOWN, it means that the item could only move up and down when dragged.
@param dragMoveFlags the drag movement direction. Default value is ItemTouchHelper.UP | ItemTouchHelper.DOWN | ItemTouchHelper.LEFT | ItemTouchHelper.RIGHT.
common/src/main/java/com/sxjs/common/base/baseadapter/callback/ItemDragAndSwipeCallback.java