afnetworking-2

I have a web script which accepts JSON string as input through HTTP POST request. I have came across several AFNetworking 1.x example for the same , can anybody please point me or give AFNetworking 2.0 example to do an HTTP POST request to a web script with formatted JSON as input ? Thanks after searching docs and trying out some codes I got following as an example AFHTTPRequestOperationManager *manager = [AFHTTPRequestOperationManager manager]; manager.requestSerializer = [AFJSONRequestSerializer serializer]; NSDictionary *params = @ {@"user" :txtUserName, @"pwd" :txtPwd }; [manager POST:URL

I'm banging my head against the wall with this one. I want to select UIImage from library and upload it to server, like on could do with <form action="http://blabla.request.cfm" method="post" enctype="multipart/form-data"> . Instead of success I got this error: error = Error Domain=NSCocoaErrorDomain Code=3840 "The operation couldn’t be completed. (Cocoa error 3840.)" (JSON text did not start with array or object and option to allow fragments not set.) UserInfo=0x145e5d90 {NSDebugDescription=JSON text did not start with array or object and option to allow fragments not set.} I tried this way:

Trying to step into AFNetworking code generates following warning: [Project Name] was compiled with optimization - stepping may behave oddly; variables may not be available. And of course I'm not able to debug the code. To be specific I'm trying to debug UIImageView+AFNetworking category which seems impossible. Changing the code has no effect (tried NSLog , etc) and when trying to step in compilers goes to assembly code and shows UIImageView+TVASTAFNetworking as category name which does not exist anywhere in the code base. Using Xcode 7. iOS 9 & 8. Cocoapods (no Framework) UPDATE I forgot to

I'm a newbie in obj-c and have been using asihttp for some of my projects. When doing a post request in asihttp its done this way. ASIFormDataRequest *request = [ASIFormDataRequest requestWithURL:url]; [request setPostValue:height forKey:@"user[height]"]; [request setPostValue:weight forKey:@"user[weight]"]; [request setDelegate:self]; [request startAsynchronous]; How would go about doing this is AFNetworking with a code example ? I already got the get Json getrequest working in AFNetworking but this post request is giving me some problems. Thanks for help in advance. It's first worth adding