title: Send data to server as json format using android Volley
body: <p>I want to send data from android app to remote server in JSON format.
  Below is my json format :-</p>
  
  <pre><code>{
    "contacts": [
      {
        "name": "ritva",
        "phone_no": "12345657890",
        "user_id": "1"
      },
      {
        "name": "jisa",
        "phone_no": "12345657890",
        "user_id": "1"
      },
      {
        "name": "tithi",
        "phone_no": "12345657890",
        "user_id": "1"
      }
    ]
  }
  </code></pre>
  
  <p>Can any one tell me how do I send this data using Volley?</p>