程序包 ohos.agp.components.element

类 ElementContainer

java.lang.Object

ohos.agp.components.element.Element

ohos.agp.components.element.ElementContainer

直接已知子类:

FrameAnimationElement, StateElement

public class ElementContainer
extends Element

A container class of Element that contains multiple Element objects.

Only one Element object in the ElementContainer is valid. You can subclass this class to create an ElementContainer or directly use one of its child classes.

从以下版本开始:

1

嵌套类概要

嵌套类

限定符和类型	类	说明
static class	ElementContainer.ElementState	已过时。 Please use ElementContainer.addChildElement, ElementContainer.getChildElement, ElementContainer.getChildElementCount

从类继承的嵌套类/接口 ohos.agp.components.element.Element

Element.ConstantState, Element.OnBoundsChangeListener, Element.OnChangeListener, Element.OnLayoutDirectionChangeListener, Element.OnRankChangeListener

字段概要

从类继承的字段 ohos.agp.components.element.Element

ALPHA_DEFAULT, ALPHA_MAX, ALPHA_MIN, DEFAULT_BOUNDS_RECT, MAX_RANK, MIN_RANK

构造器概要

构造器

构造器	说明
ElementContainer()	Default constructor used to create an ElementContainer instance.

方法概要

限定符和类型	方法	说明
int	addChildElement(Element element)	Adds an element object to the end of the list of element objects in an element container.
Element	getChildElement(int index)	Obtains an element object from a container based on the element object index.
int	getChildElementCount()	Obtains the number of element objects in a container.
Element	getCurrentElement()	Obtains the Element object in use.
ElementContainer.ElementState	getElementState()	已过时。 ElementState is not used anymore.
int	getEnterFadeDuration()	Gets the fade-in duration.
int	getExitFadeDuration()	Gets the fade-out duration.
int	getFadeInEffectPeriod()	已过时。 This change is effective since API version 7. Please use getEnterFadeDuration()
int	getFadeOutEffectPeriod()	已过时。 This change is effective since API version 7. Please use getExitFadeDuration()
boolean	isStateful()	Checks whether the state of an Element object is changed based on the component state.
boolean	selectElement(int index)	Selects an Element object to display according to a specified index.
void	setElementState(ElementContainer.ElementState state)	已过时。 ElementState is not used anymore.
void	setEnterFadeDuration(int ms)	Sets the fade-in duration for an Element object.
void	setExitFadeDuration(int ms)	Sets the fade-out duration for an Element object.
void	skipAnimation()	Skips the animation of this Element object.

从类继承的方法 ohos.agp.components.element.Element

clearColorMatrix, drawToCanvas, getAlpha, getBounds, getCallback, getColorMatrix, getHeight, getLayoutDirection, getMinHeight, getMinWidth, getPadding, getRank, getStateColorMode, getVisible, getWidth, isInheritDirection, isVisible, release, setAlpha, setBounds, setBounds, setCallback, setColorMatrix, setInheritDirection, setLayoutDirection, setOnBoundsChangeListener, setOnLayoutDirectionChangeListener, setOnRankChangeListener, setRank, setStateColor, setStateColorList, setStateColorMode, setVisible

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

ElementContainer

public ElementContainer()

Default constructor used to create an ElementContainer instance.

方法详细资料

setEnterFadeDuration

public void setEnterFadeDuration(int ms)

Sets the fade-in duration for an Element object.

参数:

ms - Indicates the fade-in duration, in milliseconds.

setExitFadeDuration

public void setExitFadeDuration(int ms)

Sets the fade-out duration for an Element object.

参数:

ms - Indicates the fade-out duration, in milliseconds.

getFadeInEffectPeriod

@Deprecated
public int getFadeInEffectPeriod()

已过时。 This change is effective since API version 7. Please use getEnterFadeDuration()

Gets the fade-in period.

返回:

ms Indicates the fade-in period, in milliseconds.

从以下版本开始:

4

getEnterFadeDuration

public int getEnterFadeDuration()

Gets the fade-in duration.

返回:

ms Indicates the fade-in duration, in milliseconds.

从以下版本开始:

7

getFadeOutEffectPeriod

@Deprecated
public int getFadeOutEffectPeriod()

已过时。 This change is effective since API version 7. Please use getExitFadeDuration()

Gets the fade-out period.

返回:

ms Indicates the fade-out period, in milliseconds.

从以下版本开始:

4

getExitFadeDuration

public int getExitFadeDuration()

Gets the fade-out duration.

返回:

ms Indicates the fade-out duration, in milliseconds.

从以下版本开始:

7

isStateful

public boolean isStateful()

Checks whether the state of an Element object is changed based on the component state.

覆盖:

isStateful 在类中 Element

返回:

Returns true if the Element object state is changed; returns false otherwise.

selectElement

public boolean selectElement(int index)

Selects an Element object to display according to a specified index.

If the index does not have a matching Element object, the index is changed to -1, and Element is set to null.

参数:

index - Indicates the index of the selected element object to display.

返回:

Returns true if another element object is selected; returns false if the same element object is selected.

getCurrentElement

public Element getCurrentElement()

Obtains the Element object in use.

覆盖:

getCurrentElement 在类中 Element

返回:

Returns the Element object in use in normal cases; returns the child Element object in use if an ElementContainer is used.

skipAnimation

public void skipAnimation()

从类复制的说明: Element

Skips the animation of this Element object.

覆盖:

skipAnimation 在类中 Element

getElementState

@Deprecated
public ElementContainer.ElementState getElementState()

已过时。 ElementState is not used anymore.

Obtains an ElementContainer.ElementState instance, which holds shared states of an Element object.

返回:

Returns the ElementContainerState instance associated with the Element object.

从以下版本开始:

4

setElementState

@Deprecated
public void setElementState(ElementContainer.ElementState state)

已过时。 ElementState is not used anymore.

Sets an ElementContainer.ElementState for an ElementContainer.

参数:

state - Indicates the ElementContainerState to set.

从以下版本开始:

4

addChildElement

public final int addChildElement(Element element)

Adds an element object to the end of the list of element objects in an element container.

参数:

element - Indicates the element object to add.

返回:

Returns the position of the added element object in the container.

从以下版本开始:

7

getChildElement

public final Element getChildElement(int index)

Obtains an element object from a container based on the element object index.

参数:

index - Indicates the index of the element object to obtain. Should be in range from 0 till value returned by getChildElementCount().

返回:

Returns the matching element object or null if index is invalid.

从以下版本开始:

7

getChildElementCount

public final int getChildElementCount()

Obtains the number of element objects in a container.

返回:

Returns the number of element objects in the container.

从以下版本开始:

7