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GpsStatus

版本：Android 3.2 r1

結(jié)構(gòu)

繼承關(guān)系

public final class GpsStatus extends Object

java.lang.Object

android.location.GpsStatus

類概述

此類用于表述GPS引擎的當(dāng)前狀態(tài)，此類需要和GpsStatus.Listener接口結(jié)合使用。

常量

int GPS_EVENT_FIRST_FIX

當(dāng)GPS系統(tǒng)模塊接收到第一次GPS定位信息之后發(fā)送此事件碼。調(diào)用getTimeToFirstFix()方法獲取自GPS系統(tǒng)模塊被開啟至第一次定位所消耗的時間。

常量值：3(0x00000003)

int GPS_EVENT_SATELLITE_STATUS

周期性發(fā)送GPS衛(wèi)星狀態(tài)的事件碼。調(diào)用getSatellites()方法獲取每一顆定位衛(wèi)星的各種狀態(tài)。（譯者注：此事件碼需在獲取到衛(wèi)星狀態(tài)之后，才會發(fā)送。在沒有搜索到衛(wèi)星的時候，不會發(fā)送此事件碼。）

常量值：4 (0x00000004)

int GPS_EVENT_STARTED

當(dāng)GPS系統(tǒng)模塊被開啟之后發(fā)送此事件碼。

常量值：1 (0x00000001)

int GPS_EVENT_STOPPED

當(dāng)GPS系統(tǒng)模塊被關(guān)閉之后發(fā)送此事件碼。

常量值：2 (0x00000002)

內(nèi)部類

interface GpsStatus.Listener

用于接收當(dāng)GPS狀態(tài)發(fā)生改變時所發(fā)出的通知

interface GpsStatus.NmeaListener

用于從GPS接收NMEA信息。

公共方法

public int getMaxSatellites ()

返回通過getSatellites()方法返回的衛(wèi)星列表的最大衛(wèi)星數(shù)。

返回值

最大衛(wèi)星數(shù)。

public Iterable<GpsSatellite> getSatellites ()

返回一組用于描述GPS引擎當(dāng)前狀態(tài)的衛(wèi)星對象。

返回值

一組衛(wèi)星對象。

public int getTimeToFirstFix ()

返回自GPS引擎最新啟動以來至收到的首次定位所需的時間。

返回值

首次定位所需的時間

補充

文章精選

百度百科 GPS

Android定位功能（一）

Android定位功能（二）


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