BaseItemAnimation

java.lang.Object
- ohos.agp.components.listcomponent.ItemAnimation
- - ohos.agp.components.listcomponent.BaseItemAnimation

直接已知子类:

DefaultItemAnimation
```
public abstract class BaseItemAnimation
extends ItemAnimation
```
An abstract class that inherits from ItemAnimation to provide simplified logic.
On the basis of ItemAnimation, this class simplifies the complex animation logic and provides more intuitive APIs to implement remove, add, move, and change animations.

从以下版本开始:

7

嵌套类概要
- 从类继承的嵌套类/接口 ohos.agp.components.listcomponent.ItemAnimation
  ItemAnimation.ItemAnimationCleaner, ItemAnimation.ItemAnimationFinishedListener

字段概要
- 从类继承的字段 ohos.agp.components.listcomponent.ItemAnimation
  ANIMATION_CLASS_TYPE_BASEITEMANIMATION, ANIMATION_CLASS_TYPE_DEFAULTITEMANIMATION, ANIMATION_CLASS_TYPE_ITEMANIMATION, mNativePtr

构造器概要

构造器
构造器说明

BaseItemAnimation()

构造器
构造器	说明
`BaseItemAnimation()`

方法概要

所有方法实例方法具体方法
限定符和类型	方法	说明
`protected void`	`createNativePtr()`	Creates a native pointer to this `ItemAnimation` instance.
`boolean`	`getAllowChangeAnimations()`	Checks whether this `ItemAnimation` supports animations with data updates.
`void`	`onAddFinished(ComponentOwner item)`	Called when an add animation finishes running on the component corresponding to a given `ComponentOwner`.
`void`	`onAddStarting(ComponentOwner item)`	Called when an add animation starts running on the component corresponding to a given `ComponentOwner`.
`void`	`onChangeFinished(ComponentOwner item, boolean oldItem)`	Called when a change animation finishes running on the component corresponding to a given `ComponentOwner`.
`void`	`onChangeStarting(ComponentOwner item, boolean oldItem)`	Called when a change animation starts running on the component corresponding to a given `ComponentOwner`.
`void`	`onMoveFinished(ComponentOwner item)`	Called when a move animation finishes running on the component corresponding to a given `ComponentOwner`.
`void`	`onMoveStarting(ComponentOwner item)`	Called when a move animation starts running on the component corresponding to a given `ComponentOwner`.
`void`	`onRemoveFinished(ComponentOwner item)`	Called when a remove animation finishes running on the component corresponding to a given `ComponentOwner`.
`void`	`onRemoveStarting(ComponentOwner item)`	Called when an animation starts running on the component corresponding to a given `ComponentOwner`.
`void`	`setAllowChangeAnimations(boolean supportsChangeAnimations)`	Sets whether to enable this `ItemAnimation` to support animations with data updates.

从类继承的方法 ohos.agp.components.listcomponent.ItemAnimation
finishAnimation, finishAnimations, getAddAnimationTime, getChangeAnimationTime, getMoveAnimationTime, getNativePtr, getRemoveAnimationTime, isRunning, isRunning, onAnimationFinished, onAnimationStarted, setAddAnimationTime, setChangeAnimationTime, setMoveAnimationTime, setRemoveAnimationTime

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
  - BaseItemAnimation
```
public BaseItemAnimation()
```
- 方法详细资料
  - createNativePtr
```
protected void createNativePtr()
```
    从类复制的说明: ItemAnimation
    
    Creates a native pointer to this ItemAnimation instance.
    
    覆盖:
    
    createNativePtr 在类中 ItemAnimation
  - getAllowChangeAnimations
```
public boolean getAllowChangeAnimations()
```
    Checks whether this ItemAnimation supports animations with data updates.
    
    返回:
    
    Returns true if the ItemAnimation supports animations with data updates; returns false otherwise.
    
    从以下版本开始:
    
    7
  - setAllowChangeAnimations
```
public void setAllowChangeAnimations(boolean supportsChangeAnimations)
```
    Sets whether to enable this ItemAnimation to support animations with data updates.
    
    参数:
    
    supportsChangeAnimations - Specifies whether to support animations with data updates. The value true means to support animations with data updates, and false means the opposite.
    
    从以下版本开始:
    
    7
  - onRemoveStarting
```
public void onRemoveStarting(ComponentOwner item)
```
    Called when an animation starts running on the component corresponding to a given ComponentOwner.
    
    参数:
    
    item - Indicates the ComponentOwner of the component.
    
    从以下版本开始:
    
    7
  - onRemoveFinished
```
public void onRemoveFinished(ComponentOwner item)
```
    Called when a remove animation finishes running on the component corresponding to a given ComponentOwner.
    
    参数:
    
    item - Indicates the ComponentOwner of the component.
    
    从以下版本开始:
    
    7
  - onAddStarting
```
public void onAddStarting(ComponentOwner item)
```
    Called when an add animation starts running on the component corresponding to a given ComponentOwner.
    
    参数:
    
    item - Indicates the ComponentOwner of the component.
    
    从以下版本开始:
    
    7
  - onAddFinished
```
public void onAddFinished(ComponentOwner item)
```
    Called when an add animation finishes running on the component corresponding to a given ComponentOwner.
    
    参数:
    
    item - Indicates the ComponentOwner of the component.
    
    从以下版本开始:
    
    7
  - onMoveStarting
```
public void onMoveStarting(ComponentOwner item)
```
    Called when a move animation starts running on the component corresponding to a given ComponentOwner.
    
    参数:
    
    item - Indicates the ComponentOwner of the component.
    
    从以下版本开始:
    
    7
  - onMoveFinished
```
public void onMoveFinished(ComponentOwner item)
```
    Called when a move animation finishes running on the component corresponding to a given ComponentOwner.
    
    参数:
    
    item - Indicates the ComponentOwner of the component.
    
    从以下版本开始:
    
    7
  - onChangeStarting
```
public void onChangeStarting(ComponentOwner item,
                             boolean oldItem)
```
    Called when a change animation starts running on the component corresponding to a given ComponentOwner.
    
    参数:
    
    item - Indicates the ComponentOwner of the component.
    
    oldItem - Specifies whether the component is the old one. The value true means that the component is the old one, and false means the opposite.
    
    从以下版本开始:
    
    7
  - onChangeFinished
```
public void onChangeFinished(ComponentOwner item,
                             boolean oldItem)
```
    Called when a change animation finishes running on the component corresponding to a given ComponentOwner.
    
    参数:
    
    item - Indicates the ComponentOwner of the component.
    
    oldItem - Specifies whether the component is the old one. The value true means that the component is the old one, and false means the opposite.
    
    从以下版本开始:
    
    7

类 BaseItemAnimation

嵌套类概要

从类继承的嵌套类/接口 ohos.agp.components.listcomponent.ItemAnimation

字段概要

从类继承的字段 ohos.agp.components.listcomponent.ItemAnimation

构造器概要

方法概要

从类继承的方法 ohos.agp.components.listcomponent.ItemAnimation

从类继承的方法 java.lang.Object

构造器详细资料

BaseItemAnimation

方法详细资料

createNativePtr

getAllowChangeAnimations

setAllowChangeAnimations

onRemoveStarting

onRemoveFinished

onAddStarting

onAddFinished

onMoveStarting

onMoveFinished

onChangeStarting

onChangeFinished