Error sending JSONArray parameter in url (iOS) - ios

Question

i need to convert an array into json and send it as a parameter in a url along with other parameters. I am using jsonKit for json conversion and AFNetworking for network communication.But it always gives exception in the json at the server.
Here is the code used for son conversion:
NSString *jsonData = [self.finalArray JSONString];
NSString *data = [NSString stringWithFormat:#"%s",[jsonData UTF8String] ];
This data is finally send as a parameter in the url.
code for network communication :
postData=[postData stringByReplacingOccurrencesOfString:#" " withString:#"%20"];
NSURL *requestUrl = [[NSURL alloc] initWithString:[NSString stringWithFormat:#"%#%#",url,postData]];
NSURLRequest *request =[[NSURLRequest alloc] initWithURL:requestUrl];
AFHTTPRequestOperation *operation = [[AFHTTPRequestOperation alloc] initWithRequest:request];
operation.responseSerializer = [AFJSONResponseSerializer serializer];
operation.responseSerializer.acceptableContentTypes = [NSSet setWithObject:#"text/plain"];
[operation setCompletionBlockWithSuccess:success failure:failure];
[operation start];
Also used following for escape characters:
[postData stringByAddingPercentEncodingWithAllowedCharacters:[NSCharacterSet URLQueryAllowedCharacterSet]];
Error received :
Error Domain=NSURLErrorDomain Code=-1002 "unsupported URL" UserInfo={NSUnderlyingError=0x7d51e9a0 {Error Domain=kCFErrorDomainCFNetwork Code=-1002 "unsupported URL" UserInfo={NSLocalizedDescription=unsupported URL}}, NSLocalizedDescription=unsupported URL}

Answer 1

I think you should use it like this
AFHTTPRequestOperationManager *manager = [AFHTTPRequestOperationManager manager];
NSString *strURL = [NSString stringWithFormat:#"%#/add-product.php", apiPrefix];
[manager POST:strURL parameters:nil constructingBodyWithBlock:^(id<AFMultipartFormData> formData)
{
NSError *error;
NSData *jsonData = [NSJSONSerialization dataWithJSONObject:dictData options:0 error:&error]; // dictData is your dictionary
NSAssert(jsonData, #"Failure building JSON: %#", error);
NSDictionary *jsonHeaders = #{#"Content-Disposition" : #"form-data; name=\"data\""}; // data is your parameter name in which you have to pass the json
[formData appendPartWithHeaders:jsonHeaders body:jsonData];
}
success:^(AFHTTPRequestOperation *operation, id responseObject)
{
NSLog(#"JSON: %#", responseObject);
}
failure:^(AFHTTPRequestOperation *operation, NSError *error)
{
NSLog(#"Error: %#", error);
}];
Hope this will help....