首先,我为重复道歉,我知道有人问过这个问题,我试图跟进现有的答案,但它不起作用。因此,如果您可以查看我的代码并说出错误或缺失的内容,那将对我有很大帮助。
这是活动,它仅使用日志(无 GUI)。
import android.app.Activity;
import android.location.Location;
import android.location.LocationListener;
import android.location.LocationManager;
import android.os.Bundle;
import android.util.Log;
import android.view.Menu;
public class MainActivity extends Activity implements LocationListener {
private LocationManager lManager;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
lManager = (LocationManager) getSystemService(LOCATION_SERVICE);
if (lManager.isProviderEnabled(LocationManager.NETWORK_PROVIDER))
lManager.requestLocationUpdates(LocationManager.NETWORK_PROVIDER,
0, 0, this);
else
Log.i("Test", "network provider unavailable");
Location lastKnownLocation =
lManager.getLastKnownLocation(LocationManager.NETWORK_PROVIDER);
if (lastKnownLocation != null) {
Log.i("Test", lastKnownLocation.getLatitude() + ", "
+ lastKnownLocation.getLongitude());
lManager.removeUpdates(this);
} else
Log.i("Test", "null");
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
getMenuInflater().inflate(R.menu.activity_main, menu);
return true;
}
public void onLocationChanged(Location location) {
Log.i("Test", "location changed: " + location.getLatitude() + ", "
+ location.getLongitude());
}
public void onProviderDisabled(String provider) {
}
public void onProviderEnabled(String provider) {
}
public void onStatusChanged(String provider, int status, Bundle extras) {
}
}
当我尝试运行该应用程序时,一切似乎都正常,但纬度和经度不会显示在日志上。我正在使用具有网络位置的真实设备进行测试。