我在我的应用程序中通过点击按钮使用FusedLocationProviderClient获取坐标,并将其存储到数据库中。问题是,当我重新启动手机或模拟器时,.getLastLocation()
为空,我必须再次点击按钮才能使其正常工作。如果.lastKnownPosition()
的位置值为空,有没有一种方法来强制获取当前位置?
// Google fused location client for GPS position
private FusedLocationProviderClient flpc;
// Vars to store GPS info
public Double latitude, longitude;
public Float accuracy;
// Google Fused Client for location
public void getLocation() {
// FusedLocationProviderClient
flpc = LocationServices.getFusedLocationProviderClient(context);
if (ActivityCompat.checkSelfPermission(context, Manifest.permission.ACCESS_FINE_LOCATION) != PackageManager.PERMISSION_GRANTED && ActivityCompat.checkSelfPermission(context, Manifest.permission.ACCESS_COARSE_LOCATION) != PackageManager.PERMISSION_GRANTED) {
......
return;
}
// Get the latest position from device
Task<Location> task = flpc.getLastLocation();
task.addOnSuccessListener(new OnSuccessListener<Location>() {
@Override
public void onSuccess(Location location) {
if(location!=null) {
latitude = location.getLatitude();
longitude = location.getLongitude();
accuracy = location.getAccuracy();
}
}
});
}
在我的按钮处理程序中,我调用
getLocation()
并使用纬度、经度和精度将其存储到数据库中。感谢您的帮助!