OnChildAttachStateChangeListener unspecified API

```
public interface RecyclerView.OnChildAttachStateChangeListener

                    
```
A Listener interface that can be attached to a RecylcerView to get notifiedwhenever a ViewHolder is attached to or detached from RecyclerView.

Method Summary

Modifier and Type	Method	Description
`abstract void`	`onChildViewAttachedToWindow(@NonNull() View view)`	Called when a view is attached to the RecyclerView.
`abstract void`	`onChildViewDetachedFromWindow(@NonNull() View view)`	Called when a view is detached from RecyclerView.

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

- Method Detail
  - onChildViewAttachedToWindow
```
 abstract void onChildViewAttachedToWindow(@NonNull() View view)
```
    Called when a view is attached to the RecyclerView.
    
    Parameters:
    
    view - The View which is attached to the RecyclerView
  - onChildViewDetachedFromWindow
```
 abstract void onChildViewDetachedFromWindow(@NonNull() View view)
```
    Called when a view is detached from RecyclerView.
    
    Parameters:
    
    view - The View which is being detached from the RecyclerView