Android 位置Provider GPS 或网络Provider

There are 3 location providers in Android.个

它们是:

gps –> (GPS, AGPS): Name of the GPS location provider. This provider determines location using satellites. Depending on conditions, this provider may take a while to return a location fix. Requires the permission android.permission.ACCESS_FINE_LOCATION.

network –> (AGPS, CellID, WiFi MACID): Name of the network location provider. This provider determines location based on availability of cell tower and WiFi access points. Results are retrieved by means of a network lookup. Requires either of the permissions android.permission.ACCESS_COARSE_LOCATION or android.permission.ACCESS_FINE_LOCATION.

passive –> (CellID, WiFi MACID): A special location provider for receiving locations without actually initiating a location fix. This provider can be used to passively receive location updates when other applications or services request them without actually requesting the locations yourself. This provider will return locations generated by other providers. Requires the permission android.permission.ACCESS_FINE_LOCATION, although if the GPS is not enabled this provider might only return coarse fixes. This is what Android calls these location providers, however, the underlying technologies to make this stuff work is mapped to the specific set of hardware and telco provided capabilities (network service).

The best way is to use the “network” or “passive” provider first, and then fallback on “gps”, and depending on the task, switch between providers. This covers all cases, and provides a lowest common denominator service (in the worst case) and great service (in the best case).

文章参考:Android Location Providers - gps, network, passive By Nazmul Idris

代码参考:https://stackoverflow.com/a/3145655/28557

-----------------------Update-----------------------个

现在Android有Fused location provider个

融合位置Provider 智能管理底层定位技术，并根据您的需求为您提供最佳位置.它简化了应用程序获取用户当前位置的方式，提高了精确度并降低了功耗

融合位置提供程序提供三种获取位置的方式

1. Last Location:当你想知道当前位置时使用一次.
2. Request Location using Listener:当应用程序在屏幕/前端且需要继续定位时使用.
3. Request Location using Pending Intent:当应用程序在后台且需要继续定位时使用.

References :个

官网:http://developer.android.com/google/play-services/location.html

融合位置Provider 示例: GIT:https://github.com/kpbird/fused-location-provider-example

http://blog.lemberg.co.uk/fused-location-provider

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