Post request with AFNetworking

Question

I am newbie in programming, especially in network side. So now I'm creating app to interact with Instagram. In my project I use AFNetworking. I saw their documentation and many examples here. And I don't understand yet how to get POST request to Instagram API. Please could u give me the real code example or something where I can read about how to do this operation? Please help. I tried to make request like this, it gives no errors and no response. It gives nothing :(

(IBAction)doRequest:(id)sender{ NSURL *baseURL = [NSURL URLWithString:@"http://api.instagram.com/"]; AFHTTPClient *httpClient = [[AFHTTPClient alloc] initWithBaseURL:baseURL]; [httpClient defaultValueForHeader:@"Accept"]; NSDictionary *params = [NSDictionary dictionaryWithObjectsAndKeys: user_token, @"access_token", nil]; [httpClient postPath:@"/feed" parameters:params success:^(AFHTTPRequestOperation *operation, id responseObject) { // reponseObject will hold the data returned by the server. NSLog(@"data: %@", responseObject); }failure:^(AFHTTPRequestOperation *operation, NSError *error) { NSLog(@"Error retrieving data: %@", error); }]; NSLog(@"click!!"); }

grandouassou · Accepted Answer · 2012-09-29 06:14:44Z

few things to care about. Instagram API returns JSON so you can use AFJSONRequestOperation which will return an already parsed NSDictionary.
The Instagram API says that:

All endpoints are only accessible via https and are located at api.instagram.com.

You should make a change to your baseURL.

AFHTTPClient *client = [AFHTTPClient clientWithBaseURL:yourURL]; NSURLRequest *request = [client requestWithMethod:@"POST" path:@"/your/path" parameters:yourParamsDictionary]; AFJSONRequestOperation *operation = [AFJSONRequestOperation JSONRequestOperationWithRequest:request success:^(NSURLRequest *request, NSHTTPURLResponse *response, id JSON) { // Do something with JSON } failure:^(NSURLRequest *request, NSHTTPURLResponse *response, NSError *error, id JSON) { // }]; // you can either start your operation like this [operation start]; // or enqueue it in the client default operations queue. [client enqueueHTTPRequestOperation:operation];

Thanks a lot, florian! I'll try it when I will be near my mac. One more thing: in request parameter "path" -- is it path to json or local path on the device?
It is the path to append to the base URL you provide to the AFHTTPClient. For example by specifying "/users/self/feed" for the path, the request URL will be https://api.instagram.com/users/self/feed.

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