getLastKnownLocation VS requestLocationUpdates [英] getLastKnownLocation vs requestLocationUpdates
问题描述
我想从我的Android应用程序发送最新鲜和最精确的定位到服务器的每5分钟。
I want to send the most fresh and accurate location from my android app to the server every 5 min.
在此<一个href=\"http://stackoverflow.com/questions/22279059/how-to-notify-the-server-every-5-minutes-on-users-location\">question有人建议我创建一个alarmManager这将注册LocationUpdates。
In this question I was advised to create an alarmManager which will register to LocationUpdates.
为什么这不仅仅是打电话getLastKnownLocation更好
Why is this better than just calling getLastKnownLocation
和检查其准确性？
推荐答案
getLastKnownLocation会给你从网络供应商的最后的位置锁定。它可能不会给出确切的当前位置（见谷歌文档）
LocationUpdates，另一方面，将给予的当前位置。
你可以使用locationClient实现它。当位置改变时，OnLocationChanged（位置L）方法被调用它会为您提供最新的位置。您还可以设置后位置更新的时间。
getLastKnownLocation will give you the last location fix from the network provider. It may not give the exact current location (see google documentation) LocationUpdates, on the other hand, will give the current location. you can implement it using locationClient. When the location is changed, OnLocationChanged(Location l) method is called which will provide you with most recent location. you can also set time after which location is updated.
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