Android Volley gives me 400 error

Question

I\'m trying to make a POST request to my API and it works in Postman (I get a valid JSON object), but not using Volley. With the follo

Answer 1

400 error is because Content-Type is set wrong. Please do the following.

1. GetHeader function should be as

       @Override
       public Map getHeaders() throws AuthFailureError {
   
           Map param = new HashMap();
   
           return param;
       }
   

2. Add this new override function.

       @Override
       public String getBodyContentType() {
           return "application/json";
       }