Android(安卓)GPS ——AGPS源码分析及配置
16lz
2022-07-30
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:
deleteAidingData:
3:GpsXtraDownloader.java
<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:
deleteAidingData:
3:GpsXtraDownloader.java
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