Android根据经纬度获取城市名的方法

根据经纬度获取当前城市名的几种方式如下（获取城市名需要网络连接）

1. 通过服务获取城市名

百度：

http://api.map.baidu.com/geocoder?output=json&location=39.913542,116.379763&ak=esNPFDwwsXWtsQfw4NMNmur1

google：

http://maps.google.com/maps/api/geocode/json?latlng=%2039.913542,116.379763&language=zh-CN&sensor=true

private class MyAsyncExtue extends AsyncTask, Void, String> {

        @Override
        protected String doInBackground(Location... params) {
            HttpClient client = new DefaultHttpClient();
            StringBuilder stringBuilder = new StringBuilder();
            HttpGet httpGet = new HttpGet("http://api.map.baidu.com/geocoder?output=json&location=39.913542,116.379763&ak=esNPFDwwsXWtsQfw4NMNmur1");
            try {
                HttpResponse response = client.execute(httpGet);
                HttpEntity entity = response.getEntity();
                InputStream inputStream = entity.getContent();
                BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(inputStream));
                String b;
                while ((b = bufferedReader.readLine()) != null) {
                    stringBuilder.append(b + "\n");
                }
                inputStream.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
            return stringBuilder.toString();
        }

        @Override
        protected void onPostExecute(String m_list) {
            super.onPostExecute(m_list);
            Log.e("str", m_list.toString());
            String city = "";
//                if (m_list != null && m_list.size() > 0) {
//                    city = m_list.get(0).getLocality();//获取城市
//                }
            city = m_list;
            show_GPS.setText("城市:" + city);
        }
    }

直接用http请求这连接，就会以Json的形式返回当前的位置信息。

2.用andorid的api获取城市。

// 获取地址信息
private List
 getAddress(Location location) {
    List
 result = null;
    try {
        if (location != null) {
            Geocoder gc = new Geocoder(this, Locale.getDefault());
            result = gc.getFromLocation(location.getLatitude(),
                    location.getLongitude(), 1);
        }
    } catch (Exception e) {
        e.printStackTrace();
    }
    return result;
}

getFromLocation这个方法是耗时的，不要放在主线程中。