ios - Afnetworking 2 with parameters -

i new ios developments..i want json response web service. when searched found afnetworking that. downloaded , did sample application. need pass parameters service . service takes 2 parameters [username , password]. url

http://myweb.mobile.com/webservices/appointmentservice.asmx/getvaliduser

can please give me code sample how pass parameters service json response ?

i have tried code.. wont take parameters.. people telling afhttpclient.. im using afn 2.0.. there no class call afhttpclient here .. i'm conduced here....please me

 nsurl *url = [nsurl urlwithstring:@"https://maps.googleapis.com/maps/api/place/textsearch/json?query=restuarants+in+sydney&sensor=false&key=aizasydn9a-evj875ymxzeinmup7cwbo9yt1w2s"]; nsurlrequest *request = [nsurlrequest requestwithurl:url];  // 2 afhttprequestoperation *operation = [[afhttprequestoperation alloc] initwithrequest:request]; operation.responseserializer = [afjsonresponseserializer serializer];  [operation setcompletionblockwithsuccess:^(afhttprequestoperation *operation, id responseobject) {      // 3     self.googleplaces = [responseobject objectforkey:@"results"];      [self.tableview reloaddata];   //  nslog(@"json result %@", responseobject);     self.weather = (nsdictionary *)responseobject;     self.title = @"json retrieved";     [self.tableview reloaddata];   } failure:^(afhttprequestoperation *operation, nserror *error) {      // 4     uialertview *alertview = [[uialertview alloc] initwithtitle:@"error retrieving weather"                                                         message:[error localizeddescription]                                                        delegate:nil                                               cancelbuttontitle:@"ok"                                               otherbuttontitles:nil];     [alertview show]; }];  // 5 [operation start]; 

edit :

i have sloved problem using below code segments...

 nsdictionary *parameters = [[nsdictionary alloc] initwithobjectsandkeys:@"47", @"caregiverpersonid", nil];  afsecuritypolicy *policy = [[afsecuritypolicy alloc] init]; [policy setallowinvalidcertificates:yes];  afhttprequestoperationmanager *operationmanager = [afhttprequestoperationmanager manager]; [operationmanager setsecuritypolicy:policy]; operationmanager.requestserializer = [afjsonrequestserializer serializer]; operationmanager.responseserializer = [afjsonresponseserializer serializer];  [operationmanager post:@"your full url goes here"             parameters:parameters                success:^(afhttprequestoperation *operation, id responseobject) {                    nslog(@"json: %@", [responseobject description]);                }                failure:^(afhttprequestoperation *operation, nserror *error) {                    nslog(@"error: %@", [error description]);                }  ]; 

try this

-(void)login {     nsmutabledictionary *dict=[[nsmutabledictionary alloc]initwithcapacity:3];     [dict setobject:_usernametextfield.text forkey:@"username"];     [dict setobject:_passwordtextfield.text forkey:@"password"];       afhttpclient *client=[[afhttpclient alloc]initwithbaseurl:[nsurl urlwithstring:@""]];      [client registerhttpoperationclass:[afjsonrequestoperation class]];     [client setdefaultheader:@"accept" value:@"application/json"];     client.parameterencoding = afjsonparameterencoding;      [client postpath:@"getvaliduser" parameters:dict success:^(afhttprequestoperation *operation, id responseobject)      {          nsdictionary *op=(nsdictionary *)responseobject;          nslog(@"%@",op);      }              failure:^(afhttprequestoperation *operation, nserror *error) {                       uialertview *alert=[[uialertview alloc]initwithtitle:message_en message:@"unable login. please try again." delegate:self cancelbuttontitle:ok_en otherbuttontitles:nil, nil];                      [alert show];                       nslog(@"error.localizeddescription %@",error.localizeddescription);                               }];  } 

note : please fill fields proper values , try. dict input postdata