Android GPS 取得 经纬度 并得到该 坐标 精确地址

Android GPS 获得 经纬度 并得到该 坐标 精确地址

package cn.xx.currentlocation;

import java.io.IOException;
import java.util.List;
import java.util.Locale;

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

public class CurrentLocation extends Activity {
        /** Called when the activity is first created. */
        @Override
        public void onCreate(Bundle savedInstanceState) {
                super.onCreate(savedInstanceState);
                setContentView(R.layout.main);
                LocationManager locationManager;
                String serviceName = Context.LOCATION_SERVICE;
                locationManager = (LocationManager) getSystemService(serviceName);
//                String provider = LocationManager.GPS_PROVIDER;
//                String provider = "gps";

                Criteria criteria = new Criteria();
                criteria.setAccuracy(Criteria.ACCURACY_FINE);
                criteria.setAltitudeRequired(false); 
                criteria.setBearingRequired(false);
                criteria.setCostAllowed(true);
                criteria.setPowerRequirement(Criteria.POWER_LOW);
                String provider = locationManager.getBestProvider(criteria, true);

                Location location = locationManager.getLastKnownLocation(provider);
                updateWithNewLocation(location);
                locationManager.requestLocationUpdates(provider, 2000, 10, locationListener);

        }

        private final LocationListener locationListener = new LocationListener() {
                public void onLocationChanged(Location location) {
                        updateWithNewLocation(location);
                }

                public void onProviderDisabled(String provider) {
                        updateWithNewLocation(null);
                }

                public void onProviderEnabled(String provider) {
                }

                public void onStatusChanged(String provider, int status, Bundle extras) {
                }
        };

        private void updateWithNewLocation(Location location) {
                String latLongString;
                TextView myLocationText;
                myLocationText = (TextView) findViewById(R.id.myLocationText);
//                try {
//                        Thread.sleep(0);//因为真机获取gps数据需要一定的时间，为了保证获取到，采取系统休眠的延迟方法
//                } catch (InterruptedException e) {
//                        e.printStackTrace();
//                        throw new RuntimeException(e);
//                }
                if (location != null) {
                        double lat = location.getLatitude();
                        double lng = location.getLongitude();
                        
                        Geocoder geocoder=new Geocoder(this); 
//                        Geocoder geocoder = new Geocoder(this, Locale.CHINA);
                        List places = null;
                        
                        try {
//                                Thread.sleep(2000);
                                places = geocoder.getFromLocation(location.getLatitude(), location.getLongitude(), 5);
//                                Thread.sleep(2000);
                                Toast.makeText(CurrentLocation.this, places.size()+"", Toast.LENGTH_LONG).show();
                                System.out.println(places.size()+""); 
                        } catch (Exception e) {  
                                e.printStackTrace();
                        }
                        
                        String placename = "";
                        if (places != null && places.size() > 0) {
                                // placename=((Address)places.get(0)).getLocality();
                                //一下的信息将会具体到某条街
                                //其中getAddressLine(0)表示国家，getAddressLine(1)表示精确到某个区，getAddressLine(2)表示精确到具体的街
                                placename = ((Address) places.get(0)).getAddressLine(0) + ", " + System.getProperty("line.separator")
                                                + ((Address) places.get(0)).getAddressLine(1) + ", "
                                                + ((Address) places.get(0)).getAddressLine(2);
                        }

                        latLongString = "纬度:" + lat + "/n经度:" + lng;
                        Toast.makeText(CurrentLocation.this, placename, Toast.LENGTH_LONG).show();
                } else {
                        latLongString = "无法获取地理信息";
                }
                myLocationText.setText("您当前的位置是:/n" + latLongString);
        }

}

 

又有其他项目，还没着手这个GPS功能，没来得及试