程序包 ohos.agp.components

类 ComponentSaveState

java.lang.Object

ohos.agp.components.AbsComponentSaveState

ohos.agp.components.ComponentSaveState

所有已实现的接口:

Sequenceable

public class ComponentSaveState
extends AbsComponentSaveState

A superclass used to save and restore the component state.

If a component needs to save a specific state, it must inherit this class.

从以下版本开始:

7

嵌套类概要

从接口继承的嵌套类/接口 ohos.utils.Sequenceable

Sequenceable.Producer<T>

字段概要

字段

限定符和类型	字段	说明
static Sequenceable.Producer<ComponentSaveState>	PRODUCER	Creates a ComponentSaveState instance based on a Parcel object.

从类继承的字段 ohos.agp.components.AbsComponentSaveState

EMPTY_STATE

构造器概要

构造器

构造器	说明
ComponentSaveState(Parcel in)	Constructor used to create a ComponentSaveState instance based on a Parcel object.
ComponentSaveState(Parcel in, ClassLoader classLoader)	Constructor used to create a ComponentSaveState instance based on Parcel and ClassLoader objects.
ComponentSaveState(Sequenceable superState)	Constructor used to create a ComponentSaveState instance based on the superState.

方法概要

限定符和类型	方法	说明
boolean	marshalling(Parcel parcel)	Marshals this Sequenceable object into a Parcel.

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

getSuperState, unmarshalling

从类继承的方法 java.lang.Object

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

从接口继承的方法 ohos.utils.Sequenceable

hasFileDescriptor

字段详细资料

PRODUCER

public static final Sequenceable.Producer<ComponentSaveState> PRODUCER

Creates a ComponentSaveState instance based on a Parcel object.

构造器详细资料

ComponentSaveState

public ComponentSaveState(Sequenceable superState)

Constructor used to create a ComponentSaveState instance based on the superState. This method is called by a derived class.

参数:

superState - Indicates the state of the superclass of this component.

ComponentSaveState

public ComponentSaveState(Parcel in)

Constructor used to create a ComponentSaveState instance based on a Parcel object.

参数:

in - Indicates the Parcel object from which the component reads data.

ComponentSaveState

public ComponentSaveState(Parcel in,
                          ClassLoader classLoader)

Constructor used to create a ComponentSaveState instance based on Parcel and ClassLoader objects.

参数:

in - Indicates the Parcel object from which the component reads data.

classLoader - Indicates the ClassLoader object to use.

方法详细资料

marshalling

public boolean marshalling(Parcel parcel)

从接口复制的说明: Sequenceable

Marshals this Sequenceable object into a Parcel.

指定者:

marshalling 在接口中 Sequenceable

覆盖:

marshalling 在类中 AbsComponentSaveState

参数:

parcel - Indicates the Parcel object to which the Sequenceable object will be marshaled..

返回:

Returns true if the marshalling is successful; returns false otherwise.