title: android replace drawable image programmatically
body: <p>I have 10 images in drawable directory in my android project and I'm using those images in a gallery.
  I want to replace those 10 images programatically upon user request to download new images from the web.</p>
  
  <p>Is this possible to replace the images in drawable of my App with downloaded images?</p>
  
  <p>Thanks in advance</p>