如何在android中添加GPS信号强度栏？
我正在尝试创建一个 GPS 信号强度条来衡量位置的准确性（标准可能是 3 个最低和 10 个最高）。我希望看到它就像我们手机上的信号条一样，告诉我们我们的服务如何。有谁知道如何创建这个酒吧？
I am trying to create a GPS signal strength bar that will gauge the accuracy of the positions (the criteria would probably be 3 lowest and 10 highest ). I would like to see it like the signal bars we have on the phones telling us how our service is. Does anyone know how to create this bar?
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该问题由两个子问题组成：
1）如何获取GPS信号强度？
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2）如何显示强度条？
我假设您想将其显示在上部通知栏中。据我所知，您不会将该栏放入该栏的正确位置，因为它是系统保留的。但是，您可以简单地创建一个简单的通知来显示图标在状态栏的左侧。当强度发生变化时，只需更新通知的图标即可完成。
This problem consists of two sub-problems:
1) How to obtain the GPS signal strength?
Looking at the Location object that is provided when your application has registered itself as a LocationListener, the object provides a
getAccuracy()method which returns how certain the location is.2) How to show a strength bar?
I assume that you want to show it in the upper notification bar. As far as I know, you won't get the bar into the right part of the bar as it's system-reserved. However, you can simply create a simple Notification which shows the icon in the left part of your status bar. When the strength changes, just update the Icon of your notification and you're done.