package?com.taoche.qctt.activity;

import?java.io.BufferedReader;
import?java.io.IOException;
import?java.io.InputStreamReader;
import?java.net.MalformedURLException;
import?java.net.URL;
import?java.net.URLConnection;
import?java.util.List;

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;

public?class?LBS?{

	????
	????//public?static?String?cityName?=?“深圳“;??//城市名????
	????public?static?String?cityName?;??//城市名????
	????????
	????private?static?Geocoder?geocoder;???//此對象能通過經緯度來獲取相應的城市等信息????
	????????
	????/**??
	?????*?通過地理坐標獲取城市名??其中CN分別是city和name的首字母縮寫??
	?????*?@param?context??
	?????*/????
	????public?static?void?getCNBylocation（Context?context）{????
	????????????
	????????geocoder?=?new?Geocoder（context）;????
	????????//用于獲取Location對象，以及其他????
	????????LocationManager?locationManager;?????
	????????String?serviceName?=?Context.LOCATION_SERVICE;????
	????????//實例化一個LocationManager對象????
	????????locationManager?=?（LocationManager）context.getSystemService（serviceName）;????
	????????//provider的類型????
	????????String?provider?=?LocationManager.NETWORK_PROVIDER;????
	????
	????????Criteria?criteria?=?new?Criteria（）;????
	????????criteria.setAccuracy（Criteria.ACCURACY_FINE）;???//高精度????
	????????criteria.setAltitudeRequired（false）;????//不要求海拔????
	????????criteria.setBearingRequired（false）;?//不要求方位????
	????????criteria.setCostAllowed（false）;?//不允許有話費????
	????????criteria.setPowerRequirement（Criteria.POWER_LOW）;???//低功耗????
	????????????
	????????//通過最后一次的地理位置來獲得Location對象????
	????????Location?location?=?locationManager.getLastKnownLocation（provider）;????
	????????????
	????????String?queryed_name?=?updateWithNewLocation（location）;????
	????????if（（queryed_name?!=?null）?&&?（0?!=?queryed_name.length（）））{????
	????????????????
	????????????cityName?=?queryed_name;????
	????????}????
	????????????
	????????/*??
	?????????*?第二個參數表示更新的周期，單位為毫秒；第三個參數的含義表示最小距離間隔，單位是米??
	?????????*?設定每30秒進行一次自動定位??
	?????????*/????
	????????locationManager.requestLocationUpdates（provider?30000?50????
	????????????????locationListener）;????
	????????//移除監(jiān)聽器，在只有一個widget的時候，這個還是適用的????
	????????locationManager.removeUpdates（locationListener）;????
	????}????
	????????
	????/**??
	?????*?方位改變時觸發(fā)，進行調用??
	?????*/????
	????private?final?static?LocationListener?locationListener?=?new?LocationListener（）?{????
	????????String?tempCityName;????
	????????public?void?onLocationchanged（Location?location）?{????
	????????????????
	????????????tempCityName?=?updateWithNewLocation（location）;????
	????????????if（（tempCityName?!=?null）?&&?（tempCityName.length（）?!=?0））{????
	????????????????????
	????????????????cityName?=?tempCityName;????
	????????????}????
	????????}????
	????