获取GPS信号状态
locationManager = (LocationManager)LocationActivity.this.getSystemService(Context.LOCATION_SERVICE);
locationManager.addGpsStatusListener(statusListener);
/**
* 卫星状态监听器
*/
private List<GpsSatellite> numSatelliteList = new ArrayList<GpsSatellite>(); // 卫星信号
private final GpsStatus.Listener statusListener = new GpsStatus.Listener() {
public void onGpsStatusChanged(int event) { // GPS状态变化时的回调,如卫星数
LocationManager locationManager = (LocationManager) LocationActivity.this.getSystemService(Context.LOCATION_SERVICE);
GpsStatus status = locationManager.getGpsStatus(null); //取当前状态
String satelliteInfo = updateGpsStatus(event, status);
if("".equals(satelliteInfo)){
Toast.makeText(LocationActivity.this, "GPS works bad !", Toast.LENGTH_LONG).show();
isGpsEnable=false;
}
}
};
private String updateGpsStatus(int event, GpsStatus status) {
StringBuilder sb2 = new StringBuilder("");
if (status == null) {
sb2.append("搜索到卫星个数:" +0);
} else if (event == GpsStatus.GPS_EVENT_SATELLITE_STATUS) {
int maxSatellites = status.getMaxSatellites();
Iterator<GpsSatellite> it = status.getSatellites().iterator();
numSatelliteList.clear();
int count = 0;
while (it.hasNext() && count <= maxSatellites) {
GpsSatellite s = it.next();
numSatelliteList.add(s);
count++;
}
sb2.append("搜索到卫星个数:" + numSatelliteList.size());
}
return sb2.toString();
}
要是GpsSatellite数量是0,就是完全无信号。
但实际上小于4就定位不了。在网上看到的这个还有待测试