RecyclerView.AdapterDataObserver
public static abstract class RecyclerView.AdapterDataObserver
extends Object
观察者基类,用于观察对RecyclerView.Adapter
更改。 见registerAdapterDataObserver(AdapterDataObserver)
。
Summary
Public constructors
RecyclerView.AdapterDataObserver
RecyclerView.AdapterDataObserver ()
Public methods
onChanged
void onChanged ()
onItemRangeChanged
void onItemRangeChanged (int positionStart,
int itemCount,
Object payload)
Parameters |
positionStart |
int
|
itemCount |
int
|
payload |
Object
|
onItemRangeChanged
void onItemRangeChanged (int positionStart,
int itemCount)
Parameters |
positionStart |
int
|
itemCount |
int
|
onItemRangeInserted
void onItemRangeInserted (int positionStart,
int itemCount)
Parameters |
positionStart |
int
|
itemCount |
int
|
onItemRangeMoved
void onItemRangeMoved (int fromPosition,
int toPosition,
int itemCount)
Parameters |
fromPosition |
int
|
toPosition |
int
|
itemCount |
int
|
onItemRangeRemoved
void onItemRangeRemoved (int positionStart,
int itemCount)
Parameters |
positionStart |
int
|
itemCount |
int
|