title: How to clear the volley cache automatically?
body: <p>I want to clear the request queue each 30 minutes for example.</p>
  
  <p>So What is the best way to clear volley cache automatically?</p>
  
  <p>Override methods by extending the volley cache class?</p>
  
  <p>Or build a timer which will clear the cache every times i need?</p>