public static abstract class RecyclerView.AdapterDataObserver
extends Object
| java.lang.Object | |
| ↳ | android.support.v7.widget.RecyclerView.AdapterDataObserver |
观察者基类,用于观察对RecyclerView.Adapter更改。 见registerAdapterDataObserver(AdapterDataObserver) 。
Public constructors |
|
|---|---|
RecyclerView.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) |
Inherited methods |
|
|---|---|
java.lang.Object
|
|
RecyclerView.AdapterDataObserver ()
void onChanged ()
void onItemRangeChanged (int positionStart,
int itemCount,
Object payload)
| Parameters | |
|---|---|
positionStart |
int
|
itemCount |
int
|
payload |
Object
|
void onItemRangeChanged (int positionStart,
int itemCount)
| Parameters | |
|---|---|
positionStart |
int
|
itemCount |
int
|
void onItemRangeInserted (int positionStart,
int itemCount)
| Parameters | |
|---|---|
positionStart |
int
|
itemCount |
int
|
void onItemRangeMoved (int fromPosition,
int toPosition,
int itemCount)
| Parameters | |
|---|---|
fromPosition |
int
|
toPosition |
int
|
itemCount |
int
|
void onItemRangeRemoved (int positionStart,
int itemCount)
| Parameters | |
|---|---|
positionStart |
int
|
itemCount |
int
|