ViewHolderCallback

```
public interface ItemTouchHelperCallback.ViewHolderCallback

                    
```
Internal Interface for ViewHolder to notify of relevant callbacks from Callback.This listener, is to intend as a further way to display How a ViewHolder will displaythe middle and final activation state.
Generally the final action should be handled by the listeners OnItemMoveListener and OnItemSwipeListener.

Method Summary

Modifier and Type	Method	Description
`abstract void`	`onActionStateChanged(int position, int actionState)`	Called when the ItemTouchHelper first registers an item as being moved or swiped.
`abstract void`	`onItemReleased(int position)`	Called when the ItemTouchHelper has completed the move or swipe, and the activeitem state should be cleared.
`abstract boolean`	`isDraggable()`
`abstract boolean`	`isSwipeable()`
`abstract View`	`getFrontView()`	On Swipe, override to return the Front View.
`abstract View`	`getRearLeftView()`	On Swipe, override to return the Rear Left View.
`abstract View`	`getRearRightView()`	On Swipe, override to return the Rear Right View.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Method Detail
  - onActionStateChanged
```
 abstract void onActionStateChanged(int position, int actionState)
```
    Called when the ItemTouchHelper first registers an item as being moved or swiped.Implementations should update the item view to indicate it's active state.
    FlexibleViewHolder class already provides an implementation to handle theactive state.
    
    Parameters:
    
    position - the position of the item touched
    
    actionState - one of ACTION_STATE_SWIPE orACTION_STATE_DRAG.
  - onItemReleased
```
 abstract void onItemReleased(int position)
```
    Called when the ItemTouchHelper has completed the move or swipe, and the activeitem state should be cleared.
    FlexibleViewHolder class already provides an implementation to disable theactive state.
    
    Parameters:
    
    position - the position of the item released
  - isDraggable
```
 abstract boolean isDraggable()
```
  - isSwipeable
```
 abstract boolean isSwipeable()
```
  - getFrontView
```
 abstract View getFrontView()
```
    On Swipe, override to return the Front View.
    Default is itemView.
  - getRearLeftView
```
 abstract View getRearLeftView()
```
    On Swipe, override to return the Rear Left View.
    Default is null (no view).
  - getRearRightView
```
 abstract View getRearRightView()
```
    On Swipe, override to return the Rear Right View.
    Default is null (no view).