程序包 ohos.agp.components

类 RecycleItemProvider

java.lang.Object

ohos.agp.components.BaseItemProvider

ohos.agp.components.RecycleItemProvider

已过时。

This change is effective since API version 5. Replaced by BaseItemProvider

@Deprecated
public abstract class RecycleItemProvider
extends BaseItemProvider

Provides a RecycleItemProvider object to associate a ComponentProvider item with fundamental data of a Component.

A recycler adapter extends BaseItemProvider. It can be used by each Component item in the dataset to release memory resources.

从以下版本开始:

3

构造器概要

构造器

构造器	说明
RecycleItemProvider()	已过时。

方法概要

限定符和类型	方法	说明
int	getCacheSize()	已过时。 This change is effective since API version 5.Not used anymore. Cache size is calculating dynamically, depending on layout rules.
void	onItemMoved(int from, int to)	已过时。 This change is effective since API version 5. Not used anymore. Replaced by onItemMoved(int from, int to) in BaseItemProvider
void	setCacheSize(int size)	已过时。 This change is effective since API version 5.Not used anymore. Cache size is calculating dynamically, depending on layout rules.

从类继承的方法 ohos.agp.components.BaseItemProvider

addDataSubscriber, getComponent, getComponentTypeCount, getCount, getFilter, getItem, getItemComponentType, getItemId, notifyDataChanged, notifyDataInvalidated, notifyDataSetItemChanged, notifyDataSetItemInserted, notifyDataSetItemRangeChanged, notifyDataSetItemRangeInserted, notifyDataSetItemRangeRemoved, notifyDataSetItemRemoved, removeDataSubscriber, setFilter

从类继承的方法 java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

构造器详细资料

RecycleItemProvider

@Deprecated
public RecycleItemProvider()

已过时。

方法详细资料

onItemMoved

@Deprecated
public void onItemMoved(int from,
                        int to)

已过时。 This change is effective since API version 5. Not used anymore. Replaced by onItemMoved(int from, int to) in BaseItemProvider

Called when a component item is moved to dataset.

覆盖:

onItemMoved 在类中 BaseItemProvider

参数:

from - Indicates the original position of the Component item in the dataset.

to - Indicates the latest position of the Component item in the dataset.

setCacheSize

@Deprecated
public void setCacheSize(int size)

已过时。 This change is effective since API version 5.Not used anymore. Cache size is calculating dynamically, depending on layout rules.

Sets the maximum number of components that can be created.

参数:

size - Indicates the maximum number of Component that can be created.

getCacheSize

@Deprecated
public int getCacheSize()

已过时。 This change is effective since API version 5.Not used anymore. Cache size is calculating dynamically, depending on layout rules.

Obtains the maximum number of components that can be created.

返回:

Returns the maximum number of Component that can be created.