NSURLSession sample code

NSURLSessionDemoViewController.m

//
//  NSURLSessionDemoViewController.m
//  NSURLSessionDemo
//
//  Created by wwwins on 2014/10/23.
//  Copyright (c) 2014年 isobar. All rights reserved.
//

#import "NSURLSessionDemoViewController.h"

//#define JSON_REQUEST
#define URL_FORM_REQUEST

@interface NSURLSessionDemoViewController ()

@end

@implementation NSURLSessionDemoViewController

- (void)viewDidLoad {
  [super viewDidLoad];
  // Do any additional setup after loading the view, typically from a nib.
}

- (void)didReceiveMemoryWarning {
  [super didReceiveMemoryWarning];
  // Dispose of any resources that can be recreated.
}

- (IBAction)clicked:(id)sender
{
  // URL of the endpoint we're going to contact.
  NSURL *url = [NSURL URLWithString:@"http://your.server.com/app/api/register.ashx"];
  
  NSMutableURLRequest *request = [NSMutableURLRequest requestWithURL:url cachePolicy:NSURLRequestUseProtocolCachePolicy timeoutInterval:10];

#ifdef JSON_REQUEST
  // Create a simple post dictionary.
  NSDictionary *postDictionary = @{
                                    @"Mobile": @"0933123456",
                                    @"Email": @"aa@bb.cc"
                                  };
  
  // Convert the dictionary into JSON data.
  NSData *JSONData = [NSJSONSerialization dataWithJSONObject:postDictionary
                                                     options:0
                                                       error:nil];

  // Create a POST request with our JSON as a request body.
  request.HTTPMethod = @"POST";
  request.HTTPBody = JSONData;

#endif
  
#ifdef URL_FORM_REQUEST
  NSString *postString = [NSString stringWithFormat:@"Mobile=%@&Email=%@",@"0933123456", @"aa@bb.cc"];
  [request setHTTPMethod:@"POST"];
  [request setValue:@"application/x-www-form-urlencoded" forHTTPHeaderField:@"Content-type"];
  request.HTTPBody = [postString dataUsingEncoding:NSUTF8StringEncoding];
  
#endif
  
  // Create a task.
  NSURLSessionDataTask *task = [[NSURLSession sharedSession] dataTaskWithRequest:request completionHandler:^(NSData *data, NSURLResponse *response, NSError *error) {
    if (!error) {
      NSLog(@"Status code: %li", (long)((NSHTTPURLResponse *)response).statusCode);
      id result = [NSJSONSerialization JSONObjectWithData:data options:kNilOptions error:&error];
      NSLog(@"name: %@", [result objectForKey:@"Success"]);
    }
    else {
      NSLog(@"Error: %@", error.localizedDescription);
    }
  }];
  
  // Start the task.
  [task resume];
  
}

@end