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Added in API level 1

AbsSavedState

public abstract class AbsSavedState
extends Object implements Parcelable

java.lang.Object
   ↳ android.view.AbsSavedState
Known Direct Subclasses
Known Indirect Subclasses


应该由继承层次结构使用的 Parcelable实现可确保链中所有类的状态已保存。

Summary

Inherited constants

From interface android.os.Parcelable

Fields

public static final Creator<AbsSavedState> CREATOR

public static final AbsSavedState EMPTY_STATE

Protected constructors

AbsSavedState(Parcelable superState)

构造函数在创建SavedState对象时由派生类调用

AbsSavedState(Parcel source)

从包裹中读取时使用构造函数。

AbsSavedState(Parcel source, ClassLoader loader)

使用给定的类加载器从包中读取时使用的构造函数。

Public methods

int describeContents()

描述此Parcelable实例的封送表示中包含的特殊对象的种类。

final Parcelable getSuperState()
void writeToParcel(Parcel dest, int flags)

将此对象平铺到一个包裹中。

Inherited methods

From class java.lang.Object
From interface android.os.Parcelable

Fields

CREATOR

Added in API level 1
Creator<AbsSavedState> CREATOR

EMPTY_STATE

Added in API level 1
AbsSavedState EMPTY_STATE

Protected constructors

AbsSavedState

Added in API level 1
AbsSavedState (Parcelable superState)

构造函数在创建SavedState对象时由派生类调用

Parameters
superState Parcelable: The state of the superclass of this view

AbsSavedState

Added in API level 1
AbsSavedState (Parcel source)

从包裹中读取时使用构造函数。 读取超类的状态。

Parameters
source Parcel: parcel to read from

AbsSavedState

Added in API level 24
AbsSavedState (Parcel source, 
                ClassLoader loader)

使用给定的类加载器从包中读取时使用的构造函数。 读取超类的状态。

Parameters
source Parcel: parcel to read from
loader ClassLoader: ClassLoader to use for reading

Public methods

describeContents

Added in API level 1
int describeContents ()

描述此Parcelable实例的封送表示中包含的特殊对象的种类。 例如,如果对象在writeToParcel(Parcel, int)的输出中包含writeToParcel(Parcel, int) ,则此方法的返回值必须包含CONTENTS_FILE_DESCRIPTOR位。

Returns
int a bitmask indicating the set of special object types marshaled by this Parcelable object instance.

getSuperState

Added in API level 1
Parcelable getSuperState ()

Returns
Parcelable

writeToParcel

Added in API level 1
void writeToParcel (Parcel dest, 
                int flags)

将此对象平铺到一个包裹中。

Parameters
dest Parcel: The Parcel in which the object should be written.
flags int: Additional flags about how the object should be written. May be 0 or PARCELABLE_WRITE_RETURN_VALUE.

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