public void registerUser(final String username, final String email, final String password) {
    pDialog.setMessage("Signing Up...");
    pDialog.show();

    request = new StringRequest(Method.POST, SL_URL, new Response.Listener<String>() {
        @Override
        public void onResponse(String s) {
            pDialog.dismiss();
            String[] split = s.split("Config.php");
            String after = split[1];
            try {
                JSONObject jsonObject = new JSONObject(after);
                boolean error = jsonObject.getBoolean("error");
                if (error) {
                    String errorMsg = jsonObject.getString("error_msg");
                    Toast.makeText(getApplicationContext(),
                            errorMsg, Toast.LENGTH_LONG).show();

                } else {
                    session.setLogin(true, username, email);
                }
            } catch (JSONException e) {
                e.printStackTrace();
            }
        }
    }) {
        @Override
        protected Map<String, String> getParams() throws AuthFailureError {
            HashMap<String, String> hashMap = new HashMap<>();
            hashMap.put("tag", "login");
            hashMap.put("username", name);
            hashMap.put("password", password);
            return hashMap;
        }
    };
    queue.add(request);
}

let username = usernameTxt.text
        let password = passwordTxt.text
        let urlPath: String = "***"
        let url: NSURL = NSURL(string: urlPath)!
        let request1: NSMutableURLRequest = NSMutableURLRequest(URL: url)

        request1.HTTPMethod = "POST"
        let stringPost="tag=login&username=" + username! + "&password=" + password! // Key and Value
        NSLog(stringPost)
        let data = stringPost.dataUsingEncoding(NSUTF8StringEncoding)

        request1.timeoutInterval = 60
        request1.HTTPBody=data
        request1.HTTPShouldHandleCookies=false

        let queue:NSOperationQueue = NSOperationQueue()

        NSURLConnection.sendAsynchronousRequest(request1, queue: queue, completionHandler:{ (response: NSURLResponse?, data: NSData?, error: NSError?) -> Void in
            do {
               var jsonResult: NSDictionary = try NSJSONSerialization.JSONObjectWithData(data!, options: NSJSONReadingOptions.MutableContainers) as! NSDictionary
            } catch _ {}

        })