Summary: Ctors | Methods | Inherited Methods

RecyclerView.AdapterDataObserver

Kotlin |Java

public static abstract class RecyclerView.AdapterDataObserver
extends Object

java.lang.Object
↳	androidx.recyclerview.widget.RecyclerView.AdapterDataObserver

Summary

Public constructors
`AdapterDataObserver()`

Public methods
`void`	`onChanged()`
`void`	`onItemRangeChanged(int positionStart, int itemCount, Object payload)`
`void`	`onItemRangeChanged(int positionStart, int itemCount)`
`void`	`onItemRangeInserted(int positionStart, int itemCount)`
`void`	`onItemRangeMoved(int fromPosition, int toPosition, int itemCount)`
`void`	`onItemRangeRemoved(int positionStart, int itemCount)`
`void`	`onStateRestorationPolicyChanged()` Called when the `RecyclerView.Adapter.StateRestorationPolicy` of the `RecyclerView.Adapter` changed.

From class


        
          java.lang.Object

public AdapterDataObserver ()

public void onChanged ()

public void onItemRangeChanged (int positionStart, 
                int itemCount, 
                Object payload)

public void onItemRangeChanged (int positionStart, 
                int itemCount)

Parameters
`positionStart`	`int`
`itemCount`	`int`

public void onItemRangeInserted (int positionStart, 
                int itemCount)

Parameters
`positionStart`	`int`
`itemCount`	`int`

public void onItemRangeMoved (int fromPosition, 
                int toPosition, 
                int itemCount)

public void onItemRangeRemoved (int positionStart, 
                int itemCount)

Parameters
`positionStart`	`int`
`itemCount`	`int`

public void onStateRestorationPolicyChanged ()

Called when the RecyclerView.Adapter.StateRestorationPolicy of the RecyclerView.Adapter changed. When this method is called, the Adapter might be ready to restore its state if it has not already been restored.

See also: