GPS获取当前的经度和纬度

来源：互联网发布：手机做模卡的软件编辑：程序博客网时间：2024/04/30 04:04

package com.cn.gps;

import android.app.Activity;
import android.content.Context;
import android.location.Location;
import android.location.LocationListener;
import android.location.LocationManager;
import android.os.Bundle;
import android.widget.TextView;

public class GpsActivity extends Activity {
    /** Called when the activity is first created. */
private TextView text;
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        final LocationManager locationManager = (LocationManager)getSystemService(Context.LOCATION_SERVICE);
        text = (TextView)findViewById(R.id.tv1);
        Location location = locationManager.getLastKnownLocation(LocationManager.GPS_PROVIDER);
        showLocation(location);

        locationManager.requestLocationUpdates(LocationManager.GPS_PROVIDER, 1000, 10, new LocationListener(){

   public void onLocationChanged(Location location) {
    // TODO Auto-generated method stub
    showLocation(location);
   }

   public void onProviderDisabled(String provider) {
    // TODO Auto-generated method stub
    showLocation(null);
   }

   public void onProviderEnabled(String provider) {
    // TODO Auto-generated method stub
    showLocation(locationManager.getLastKnownLocation(provider));
   }

   public void onStatusChanged(String provider, int status, Bundle extras) {
    // TODO Auto-generated method stub
   }

        });
    }

    public void showLocation(Location currentLocation){
    if(currentLocation != null){
     String s = "";
     s += "当前位置: (";
     s += currentLocation.getLongitude();
     s += ",";
     s += currentLocation.getLatitude();
     s += ")\n 速度: ";
     s += currentLocation.getSpeed();
     s += "\n 方向: ";
     s += currentLocation.getBearing();
     s +="\n 高度:";
     s += currentLocation.getAltitude();
     text.setText(s);
    }
    else{
      text.setText("");
    }
    }
}