获得当前经纬度

直接上代码：注意添加权限<uses-permission android:name="android.permission.ACCESS_FINE_LOCATION"></uses-permission>

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.util.Log;
import android.widget.TextView;

public class testGps extends Activity {
    /** Called when the activity is first created. */
TextView tv;
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
//        setContentView(R.layout.main);
        LocationManager mLocationManager=(LocationManager)
        getSystemService(Context.LOCATION_SERVICE);
        mLocationManager.requestLocationUpdates(LocationManager.GPS_PROVIDER,
        1000, 0,  new LocationListener() {  
            public void onLocationChanged(Location location) { //当坐标改变时触发此函数，如果Provider传进相同的坐标，它就不会被触发  
                // log it when the location changes  
                if (location != null) {  
                    Log.i("SuperMap", "Location changed : Lat: " 
                      + location.getLatitude() + " Lng: " 
                      + location.getLongitude());  
                }  
            }  
         
            public void onProviderDisabled(String provider) {  
            // Provider被disable时触发此函数，比如GPS被关闭  
            }  
         
            public void onProviderEnabled(String provider) {  
            //  Provider被enable时触发此函数，比如GPS被打开  
            }  
         
            public void onStatusChanged(String provider, int status, Bundle extras) {  
            // Provider的转态在可用、暂时不可用和无服务三个状态直接切换时触发此函数  
            }  
        }  );
        Location location = mLocationManager.getLastKnownLocation(LocationManager.GPS_PROVIDER);
        tv=new TextView(this);
        if(location!=null){
        double latitude = location.getLatitude();     //经度  
        double longitude = location.getLongitude(); //纬度  
        double altitude =  location.getAltitude();     //海拔 
        tv.setText(latitude+"   "+longitude+"   "+altitude);
        }
       
       
//        tv.setText("dsds");
        setContentView(tv);
       
    }
}