Pass Parameter with Volley POST

Question

I was able to call an HTTP endpoint using Postman and these parameters:

{
    \"name\":\"Val\",
    \"subject\":\"Test\"
}

However I am una

Answer 1

Add the content type in the header

@Override
public Map getHeaders() throws AuthFailureError {
HashMap headers = new HashMap();
headers.put("Content-Type", "application/json; charset=utf-8");
return headers;
}