How to Get City Name by Latitude &Longitude in android?

问题:

I want to city name by current location but i have latitude and longitude.how to get it? i used button click then i get double value latitude and longitude. my code in below.please help me.

Thanks!!

Button btnShowLocation;      GPSTracker gps;      @Override     public void onCreate(Bundle savedInstanceState) {         super.onCreate(savedInstanceState);         setContentView(R.layout.main);          btnShowLocation = (Button) findViewById(R.id.btnShowLocation);          // show location button click event         btnShowLocation.setOnClickListener(new View.OnClickListener() {              @Override             public void onClick(View v) {                        // create class object                 gps = new GPSTracker(AndroidGPSTrackingActivity.this);                  // check if GPS enabled                      if(gps.canGetLocation()){                      double latitude = gps.getLatitude();                     double longitude = gps.getLongitude();                      // \n is for new line                     Toast.makeText(getApplicationContext(), "Your Location is - \nLat: " + latitude + "\nLong: " + longitude, Toast.LENGTH_LONG).show();                     }else{                      gps.showSettingsAlert();                 }              }         }); 

I edited below code but not get cityname please help me !!!

Button btnShowLocation;      GPSTracker gps;     String CityName;      @Override     public void onCreate(Bundle savedInstanceState) {         super.onCreate(savedInstanceState);         setContentView(R.layout.main);          btnShowLocation = (Button) findViewById(R.id.btnShowLocation);          // show location button click event         btnShowLocation.setOnClickListener(new View.OnClickListener() {              @Override             public void onClick(View v) {                 // create class object                 gps = new GPSTracker(AndroidGPSTrackingActivity.this);                  // check if GPS enabled                 if (gps.canGetLocation()) {                      double latitude = gps.getLatitude();                     double longitude = gps.getLongitude();                      Geocoder geocoder = new Geocoder(                             AndroidGPSTrackingActivity.this, Locale                                     .getDefault());                     List
 addresses;                     try {                         Log.v("log_tag", "latitude" + latitude);                         Log.v("log_tag", "longitude" + longitude);                         addresses = geocoder.getFromLocation(latitude,                                 longitude, 1);                         Log.v("log_tag", "addresses+)_+++" + addresses);                         CityName = addresses.get(0).getAddressLine(0);                         Log.v("log_tag", "CityName" + CityName);                     } catch (IOException e) {                         // TODO Auto-generated catch block                         e.printStackTrace();                     }                      // \n is for new line                     Toast.makeText(                             getApplicationContext(),                             "Your Location is - \nLat: " + latitude                                     + "\nLong: " + longitude, Toast.LENGTH_LONG)                             .show();                 } else {                      gps.showSettingsAlert();                 }              }         }); 

But I get Error in below::::

03-11 17:01:46.465: W/System.err(27587): java.io.IOException: Service not Available 03-11 17:01:46.465: W/System.err(27587):    at android.location.Geocoder.getFromLocation(Geocoder.java:136) 03-11 17:01:46.465: W/System.err(27587):    at com.example.gpstracking.AndroidGPSTrackingActivity$1.onClick(AndroidGPSTrackingActivity.java:81) 03-11 17:01:46.465: W/System.err(27587):    at android.view.View.performClick(View.java:4191) 03-11 17:01:46.475: W/System.err(27587):    at android.view.View$PerformClick.run(View.java:17229) 03-11 17:01:46.475: W/System.err(27587):    at android.os.Handler.handleCallback(Handler.java:615) 03-11 17:01:46.475: W/System.err(27587):    at android.os.Handler.dispatchMessage(Handler.java:92) 03-11 17:01:46.475: W/System.err(27587):    at android.os.Looper.loop(Looper.java:137) 03-11 17:01:46.475: W/System.err(27587):    at android.app.ActivityThread.main(ActivityThread.java:4960) 03-11 17:01:46.475: W/System.err(27587):    at java.lang.reflect.Method.invokeNative(Native Method) 03-11 17:01:46.475: W/System.err(27587):    at java.lang.reflec