title: selector drawable not working when applying on a button
body: <p>selector drawable xml not working when applying it to a button on the screen, whenever i change the background of the button to the drawable xml the button is not being pressed when i run the app and it's color doesn't change, when i change the background to a static color it returns to it's normal behavior and is press-able, any solutions?
  <a href="https://i.stack.imgur.com/4KYpr.jpg" rel="nofollow noreferrer">selector xml</a>
  <a href="https://i.stack.imgur.com/sgSRT.jpg" rel="nofollow noreferrer">activity xml</a></p>