Get City name/address by latitude (no three-party package required)

1:getlocation () method for selecting optimal latitude and longitude by sieve

2:mapthread thread gets the city name by uploading the latitude and longitude obtained by the getLocation ()

public class Positionactivity extends Baseactivity implements Iinit, Iresponsehandler, View.onclicklistener {private T Extview Mlocationtv, mcategorytv;//position. Type private double latitude, longitude;//latitude private String mapuristr = "http:/    /MAPS.GOOGLE.CN/MAPS/API/GEOCODE/JSON?LATLNG={0},{1}&AMP;SENSOR=TRUE&AMP;LANGUAGE=ZH-CN ";    Private HttpResponse HttpResponse = null;    Private httpentity httpentity = null;    Private Mapthread Mapthread;    Private Handler Handler;    Private String result;        @Override protected void OnCreate (Bundle savedinstancestate) {super.oncreate (savedinstancestate);        Setcontentview (R.layout.activity_share_goods_edit);    Init (); } @Override public void init () {Mlocationtv = (TextView) Findviewbyid (r.id.tv_goods_location);, Getlo        cation ();//Get latitude and longitude Mapthread = new Mapthread ();    Mapthread.start (); }//Get latitude and longitude public void getLocation () {Locationmanager LM = (Locationmanager) GetsystemseRvice (Context.location_service);        List<string> LP = Lm.getallproviders ();//Returns a list of names of all known location providers, including unauthorized access or call activity that is currently deactivated.        for (String ITEM:LP) {//LOG.I ("----> Available Location Services:", item);        } criteria = new criteria (); Criteria.setcostallowed (false);//Set Location service free criteria.setaccuracy (criteria.accuracy_coarse); Sets the horizontal position accuracy of String ProviderName = Lm.getbestprovider (criteria, true); Getbestprovider only the location that allows access to the calling activity the provider will be returned if (providerName! = null) {Site location = Lm.getlastknownlo            cation (providerName);            Latitude = Location.getlatitude ();//Get dimension information longitude = Location.getlongitude ();//Get longitude information} else {        Toastutil.show (This, "1. Please check the network connection \n2. Please open my location");            }} class Mapthread extends Thread {@Override public void run () {super.run ();            String uristr = Messageformat.format (mapuristr, latitude, longitude); HttpGet HttpGet = new HTTPGET (URISTR);//Generate a Request object HttpClient HttpClient = new Defaulthttpclient ();                Generate an HTTP client object try {HttpResponse = Httpclient.execute (httpget);//Send Request object using HTTP Client Httpentity = Httpresponse.getentity ();                Get response content BufferedReader reader = new BufferedReader (New InputStreamReader (Httpentity.getcontent ()));                result = "";                String line = "";                while (line = Reader.readline ()) = null) {result + = line;            }LOG.V ("Address:", result);            } catch (Exception e) {e.printstacktrace (); }        }    }}

Get City name/address by latitude (no three-party package required)