AdapterListUpdateCallback
public
final
class
AdapterListUpdateCallback
extends Object
implements
ListUpdateCallback
java.lang.Object | |
↳ | androidx.recyclerview.widget.AdapterListUpdateCallback |
ListUpdateCallback that dispatches update events to the given adapter.
Summary
Public constructors | |
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AdapterListUpdateCallback(Adapter adapter)
Creates an AdapterListUpdateCallback that will dispatch update events to the given adapter. |
Public methods | |
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void
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onChanged(int position, int count, Object payload)
Called when |
void
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onInserted(int position, int count)
Called when |
void
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onMoved(int fromPosition, int toPosition)
Called when an item changes its position in the list. |
void
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onRemoved(int position, int count)
Called when |
Inherited methods | |
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Public constructors
AdapterListUpdateCallback
public AdapterListUpdateCallback (Adapter adapter)
Creates an AdapterListUpdateCallback that will dispatch update events to the given adapter.
Parameters | |
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adapter |
Adapter : The Adapter to send updates to.
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Public methods
onChanged
public void onChanged (int position, int count, Object payload)
Called when count
number of items are updated at the given position.
Parameters | |
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position |
int : The position of the item which has been updated. |
count |
int : The number of items which has changed.
|
payload |
Object |
onInserted
public void onInserted (int position, int count)
Called when count
number of items are inserted at the given position.
Parameters | |
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position |
int : The position of the new item. |
count |
int : The number of items that have been added.
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onMoved
public void onMoved (int fromPosition, int toPosition)
Called when an item changes its position in the list.
Parameters | |
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fromPosition |
int : The previous position of the item before the move. |
toPosition |
int : The new position of the item.
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onRemoved
public void onRemoved (int position, int count)
Called when count
number of items are removed from the given position.
Parameters | |
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position |
int : The position of the item which has been removed. |
count |
int : The number of items which have been removed.
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