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Added in API level 21

Summary: Inherited Constants | Fields | Methods | Inherited Methods | [Expand All]

public static class NotificationListenerService.RankingMap
extends Object implements Parcelable

java.lang.Object
	android.service.notification.NotificationListenerService.RankingMap

提供对当前活动通知的排名信息的访问权限。

请注意，此对象表示仅适用于检索时处于活动状态的通知的排名快照。

From interface android.os.Parcelable

Fields
`public static final Creator<NotificationListenerService.RankingMap>`	`CREATOR`

公共方法(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。
`String[]`	`getOrderedKeys()` 按照当前排名顺序请求通知密钥列表。
`boolean`	`getRanking(String key, NotificationListenerService.Ranking outRanking)` 使用给定密钥填充通知排名信息的通知。
`void`	`writeToParcel(Parcel dest, int flags)` 将此对象平铺到一个包裹中。

From class java.lang.Object

From interface android.os.Parcelable

Added in API level 21

Creator<NotificationListenerService.RankingMap> CREATOR

Added in API level 21

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，如果对象将在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。

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

Added in API level 21

String[] getOrderedKeys ()

按照当前排名顺序请求通知密钥列表。

返回(Returns)
`String[]`	An array of active notification keys, in their ranking order.

Added in API level 21

boolean getRanking (String key, 
                NotificationListenerService.Ranking outRanking)

使用给定密钥填充通知排名信息的通知。

参数(Parameters)
`key`	`String`
`outRanking`	`NotificationListenerService.Ranking`

返回(Returns)
`boolean`	true if a valid key has been passed and outRanking has been populated; false otherwise

Added in API level 21

void writeToParcel (Parcel dest, 
                int flags)

将此对象平铺到一个包裹中。

参数(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`.