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Figuren


LocationListener

版本:Android 3.2 r1

结构

继承关系

public interface LocationListener

android.location.LocationListener

类概述

用于接收从LocationManager的位置发生改变时的通知。如果LocationListener被注册添加到LocationManager对象,并且此LocationManager对象调用了requestLocationUpdates(String, long, float, LocationListener)方法,那么接口中的相关方法将会被调用

公共方法

public abstract void onLocationChanged (Location location)

此方法在当位置发生改变后被调用。这里可以没有限制的使用Location对象。

参数

位置发生变化后的新位置。

public abstract void onProviderDisabled(String provider)

此方法在provider被用户关闭后被调用,如果基于一个已经关闭了的provider调用requestLocationUpdates方法被调用,那么这个方法理解被调用。

参数

与之关联的location provider名称。

public abstract void onPorviderEnabled (Location location)

此方法在provider被用户开启后调用。

参数

provider 与之关联的location provider名称。

public abstract void onStatusChanged (String provider, int Status, Bundle extras)

此方法在Provider的状态在可用、暂时不可用和无服务三个状态直接切换时被调用。

参数

provider 与变化相关的location provider名称。

status 如果服务已停止,并且在短时间内不会改变,状态码为OUT_OF_SERVICE;如果服务暂时停止,并且在短时间内会恢复,状态码为TEMPORARILY_UNAVAILABLE;如果服务正常有效,状态码为AVAILABLE

extras 一组可选参数,其包含provider的特定状态。下面列出一组共用的键值对,其实任何键的provider都需要提供的值。o定位卫星 - 一组用于设备定位的卫星


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