Comment obtenir une adresse à partir de la latitude et de longitude dans Android?

Je suis de la construction d'une application android où je suis à l'aide de TouchableWrapper classe pour obtenir la latitude & longitude.Lorsqu'un utilisateur supprime le doigt, le centre de la caméra en position de latitude et de longitude sont analysées et illustrées dans un toast.
Maintenant j'ai besoin de l'adresse latitude and longitude.
Voici le code que j'utilise pour obtenir latitude and longitude:

public class MainActivity extends FragmentActivity implements TouchActionDown, TouchActionUp {
CameraPosition mDownCameraPosition;
CameraPosition mUpCameraPosition;
ImageView submitbtn,mappoint;
String addressfixed,completed;
EditText whitebord;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_maintut);
//get data views
mappoint = (ImageView) findViewById(R.id.mappoint);
whitebord = (EditText) findViewById(R.id.searchmapedit);
mappoint.setImageResource(R.drawable.point);
submitbtn.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
//TODO Auto-generated method stub
onBackPressed();
}
});
getMap().getMap().setMyLocationEnabled(true);
getMap().getMap().setOnMapLoadedCallback(
new GoogleMap.OnMapLoadedCallback() {
@Override
public void onMapLoaded() {
Location myLocation = getMap().getMap().getMyLocation();
LatLng myLatLng = new LatLng(myLocation.getLatitude(),
myLocation.getLongitude());
CameraPosition myPosition = new CameraPosition.Builder()
.target(myLatLng).zoom(17).bearing(90).tilt(30)
.build();
getMap().getMap().animateCamera(
CameraUpdateFactory
.newCameraPosition(myPosition));
}
});
}
@Override
protected void onResume() {
super.onResume();
//check google play services
int isAvailable = GooglePlayServicesUtil
.isGooglePlayServicesAvailable(this);
if (isAvailable != ConnectionResult.SUCCESS) {
GooglePlayServicesUtil.getErrorDialog(isAvailable, this, 1).show();
}
}
@Override
public void onTouchDown(MotionEvent event) {
mDownCameraPosition = getMap().getMap().getCameraPosition();
}
@Override
public void onTouchUp(MotionEvent event) {
mUpCameraPosition = getMap().getMap().getCameraPosition();
getMap().getMap().clear();//to remove previous marker
MarkerOptions options = new MarkerOptions()
.title("This is your selected place to host game")
.position(
new LatLng(mUpCameraPosition.target.latitude,
mUpCameraPosition.target.longitude));
new GetAddressTask(getApplicationContext()).execute();
}
private SupportMapFragment getMap() {
return ((SupportMapFragment) getSupportFragmentManager()
.findFragmentById(R.id.map));
}
public class GetAddressTask extends AsyncTask<android.location.Location, Void, String> {
public GetAddressTask (Context context) {
super();
mContext = context;
}
@Override
protected String doInBackground (android.location.Location... params) {
Geocoder geocoder =
new Geocoder(mContext, Locale.getDefault());
android.location.Location location = params[0];
Location markerLocation = getMap().getMap().getMyLocation();
List<Address> addresses = null;
try {
if (mByMap && markerLocation != null) {
addresses = geocoder.getFromLocation(markerLocation.getLatitude(),
markerLocation.getLongitude(), 1);
} else if (!mByMap && location != null) {
addresses = geocoder.getFromLocation(mUpCameraPosition.target.latitude,
mUpCameraPosition.target.longitude, 1);
}
} catch (IOException exception) {
Log.e("ComplaintLocation",
"IO Exception in getFromLocation()", exception);
//               handler.post(new Runnable() {
//
//                   @Override
//                   public void run() {
//                    Toast.makeText(mContext,
//                             mContext.getString("Updating your location failed"),
//                             Toast.LENGTH_SHORT).show();
//                }
//             });
return ("IO Exception trying to get address");
} catch (IllegalArgumentException exception) {
String errorString = "Illegal arguments " +
Double.toString(location.getLatitude()) + " , " +
Double.toString(location.getLongitude()) + " passed to address service";
Log.e("LocationSampleActivity", errorString, exception);
return errorString;
}
if (addresses != null && addresses.size() > 0) {
Address address = addresses.get(0);
if (address.getMaxAddressLineIndex() > 0) {
return String.format(
"%s/%s/%s/%s/%s/%s",
address.getLatitude(), //0
address.getLongitude(), //1
address.getThoroughfare(), //2
address.getSubThoroughfare(), //3
address.getPostalCode(), //4
address.getLocality()); //5
} else {
return String.format(
"%s/%s/%s/%s",
address.getLatitude(), //0
address.getLongitude(), //1
address.getPostalCode(), //2
address.getLocality()); //3
}
} else return "No address found";
}
//Format address string after lookup
@Override
protected void onPostExecute (String address) {
String[] addressFields = TextUtils.split(address, "/");
Log.d("ADDRESS ARRAY", Arrays.toString(addressFields));
//           Log.d("LOCATION", "Using " + mProvider);
//Workaround: doInBackground can only return Strings instead of, for example, an
//Address instance or a String[] directly. To be able to use TextUtils.isEmpty()
//on fields returned by this method, set each String that currently reads "null" to
//a null reference
for (int fieldcnt = 0; fieldcnt < addressFields.length; ++fieldcnt) {
if (addressFields[fieldcnt].equals("null"))
addressFields[fieldcnt] = null;
}
String mStreet,mHouseNumber,mLatitude,mLongtitude,mPostalCode,mCity;
switch (addressFields.length) {
case 4:
mStreet = null;
mHouseNumber = null;
mLatitude = addressFields[0];
mLongtitude = addressFields[1];
mPostalCode = addressFields[2];
mCity = addressFields[3];
break;
case 6:
mLatitude = addressFields[0];
mLongtitude = addressFields[1];
mStreet = addressFields[2];
mHouseNumber = addressFields[3];
mPostalCode = addressFields[4];
mCity = addressFields[5];
break;
default:
mLatitude = null;
mLongtitude = null;
mStreet = null;
mHouseNumber = null;
mPostalCode = null;
mCity = null;
break;
}
Toast.makeText(getApplicationContext(), mStreet,
Toast.LENGTH_LONG).show();
}
}
private boolean mByMap;
//Lookup address via reverse geolocation
public void lookUpAddress (boolean byMap) {
mByMap = byMap;
if (Geocoder.isPresent()) {
//         (new GetAddressTask(mContext)).execute(mCurrentBestLocation);
}
}
private SupportMapFragment getMap() {
return ((SupportMapFragment) getSupportFragmentManager()
.findFragmentById(R.id.map));
}
}

Toute aide serait grandement appréciée.