title: Volley String Request does'nt give Response in android
body: <p>I used Volley String request for Post method..but its not giving correct response..When i used JsonObject request then it will give me correct response..I am so confused ,i don't understand what is problem with string request..Please anyone can help me with string request...
  this is my code..</p>
  
  <pre><code>      StringRequest requestQueue =Volley.newRequestQueue(MainActivity.this);
        String URL ="http://demoangularaims.azurewebsites.net/api/v1/API_NI_ACD_FILL_COMMON_DDL_SP";
  
        Log.d(TAG, " url=" + URL);
  StringRequest stringRequest = new StringRequest(Request.Method.POST, URL, new Response.Listener&lt;String&gt;() {
      @Override
      public void onResponse(String response) {
          Log.d(TAG, " response=" + response);
      }
  }, new Response.ErrorListener() {
      @Override
      public void onErrorResponse(VolleyError error) {
          Log.d(TAG, " error=" + error);
  
      }
  }) {
      @Override
      protected Map&lt;String, String&gt; getParams() throws AuthFailureError {
  
          LinkedHashMap&lt;String, String&gt; linkmap = new LinkedHashMap&lt;&gt;();
          linkmap.put("p_ENTITY_ID", "2");
          linkmap.put("p_ORGCD", "p01");
          linkmap.put("p_COMPCD", "A0002");
          linkmap.put("p_DIVCD", "");
          linkmap.put("p_USERID", "");
          linkmap.put("p_ACDYR", "");
          linkmap.put("p_TYPE", "ACDYR_DDL");
          linkmap.put("p_FILTER1", "");
          linkmap.put("p_FILTER2", "");
          linkmap.put("p_DEFUNCT", "");
  
          Log.d(TAG, " MAP=" + linkmap);
          return linkmap;
      }
  
      @Override
      public Map&lt;String, String&gt; getHeaders() throws AuthFailureError {
          LinkedHashMap&lt;String, String&gt; headers = new LinkedHashMap&lt;&gt;();
          return headers;
      }
  
  
  };
  
   requestQueue.add(stringRequest);
  
  }
  
  
      PostMan OutPut-
  </code></pre>
  
  <p><a href="https://i.stack.imgur.com/Um0oG.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/Um0oG.png" alt="enter image description here"></a></p>