Volley Post JsonObjectRequest ignoring parameters while using getHeader and getParams
Volley will ignore your Content-Type setting, if you want to modify the content-type, you can override the getBodyContentType method :
JsonObjectRequest jsonObjReq = new JsonObjectRequest(Method.POST, url, new JSONObject(params), response, response_error) { @Override public String getBodyContentType() { return "application/json; charset=utf-8"; }}for why volley ignore your parameters? take a look at my another answer.
Volley JsonObjectRequest Post request not working
Take the other answer from that post wich starts with: You can create a custom JSONObjectReuqest