Android GPS ——AGPS源码分析及配置

Android Framework GPS ——AGPS源码分析及配置

<一>
1: 冷启动指令:

        locationManager.sendExtraCommand(LocationManager.GPS_PROVIDER, "delete_aiding_data", null);

2:获取GPS 时间:
        locationManager.sendExtraCommand(LocationManager.GPS_PROVIDER, "force_time_injection", null);
3:获取星历信息:
        locationManager.sendExtraCommand(LocationManager.GPS_PROVIDER, "force_xtra_injection", null);

<二>源码分析:
1:LocationManager.java:

2:LocationManagerService.java:

3:GnssLocationProvider.java:
Android GPS ——AGPS源码分析及配置_第1张图片
deleteAidingData:

3:GpsXtraDownloader.java

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