通过android自动定位功能获取地理位置

package csd.sed;

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

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;

public class TestsewActivity extends Activity {
private final String provider = LocationManager.NETWORK_PROVIDER;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
LocationManager  locationManager = (LocationManager)getSystemService(Context.LOCATION_SERVICE);

Criteria criteria = new Criteria();
criteria.setAccuracy(Criteria.ACCURACY_FINE);
criteria.setAltitudeRequired(false);
criteria.setBearingRequired(false);
criteria.setCostAllowed(true);
criteria.setPowerRequirement(Criteria.POWER_LOW);

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;
double lat = 0;
double lng=0;
myLocationText = (TextView)findViewById(R.id.test2);
if (location != null) {
lat = location.getLatitude();
lng = location.getLongitude();
latLongString = "纬度:" + lat + "\n经度:" + lng;
} else {
latLongString = "无法获取地理信息";
}
List<Address> addList = null;
Geocoder ge = new Geocoder(this);
try {
addList = ge.getFromLocation(lat, lng, 1);
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
if(addList!=null && addList.size()>0){
for(int i=0; i<addList.size(); i++){
Address ad = addList.get(i);
latLongString += "\n";
latLongString += ad.getCountryName() + ";" + ad.getLocality();
}
}
myLocationText.setText("您当前的位置是:\n" +latLongString);
}
}

　　权限：

<uses-permission android:name="android.permission.ACCESS_FINE_LOCATION"></uses-permission>
<uses-permission android:name="android.permission.INTERNET"></uses-permission>

下载源码：

链接: http://pan.baidu.com/s/1dDl9p77 源码文件名：getLocation.rar