| ItemTouchHelper.ViewDropHandler | 
          An interface which can be implemented by LayoutManager for better integration with
 ItemTouchHelper. 
          
    
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| ItemTouchUIUtil | 
          Utility class for ItemTouchHelper which handles item transformations for different
 API versions. 
          
    
         | 
      
| ItemTouchHelper | This is a utility class to add swipe to dismiss and drag & drop support to RecyclerView. | 
| ItemTouchHelper.Callback | This class is the contract between ItemTouchHelper and your application. | 
| ItemTouchHelper.SimpleCallback | A simple wrapper to the default Callback which you can construct with drag and swipe directions and this class will handle the flag callbacks. |