UID

gistfile1.m

NSString* api_key = [[[NSUserDefaults standardUserDefaults] objectForKey:@"user"]valueForKey:@"api_key"];
    CFUUIDRef uuid;
    CFStringRef uuidStr;
    uuid = CFUUIDCreate(NULL);
    uuidStr = CFUUIDCreateString(NULL, uuid);
    
    NSString* uuidString = [NSString stringWithFormat:@"%@", uuidStr];
    NSDictionary *paramDictionary = [NSDictionary dictionaryWithObject:uuidString forKey:@"token"];
    NSData *params = [NSJSONSerialization dataWithJSONObject:paramDictionary options:NSJSONWritingPrettyPrinted error:NULL];
    id jsonObject = [NSJSONSerialization JSONObjectWithData:params options:0 error:nil];
    NSLog(@"%@", jsonObject);
    NSURL *url = [NSURL URLWithString:[NSString stringWithFormat:@"%@%@", [[NSUserDefaults standardUserDefaults]objectForKey:@"baseUrl"],@"apn_devices"]];
    NSLog(@"%@", url);
    NSMutableURLRequest *request = [NSMutableURLRequest requestWithURL:url cachePolicy:NSURLRequestReloadRevalidatingCacheData timeoutInterval:30];
    [request setHTTPMethod:@"POST"];
    [request setHTTPBody:params];
    [request setValue:api_key forHTTPHeaderField:@"authorization"];
    [NSURLConnection sendAsynchronousRequest:request queue:[NSOperationQueue currentQueue] completionHandler:^(NSURLResponse *response, NSData *data, NSError* error) {
        int statusCode = [(NSHTTPURLResponse *)response statusCode];
        NSLog(@"%d", statusCode);
        if (statusCode == 200 || statusCode == 201) {
            [delegate signInDidFinish];
            [self.navigationController popViewControllerAnimated:YES];
        }
        else {
            errorLabel.hidden = NO;
            signInImage.hidden = YES;
        }
    }];