title: make a transparent part of an image unclickable
body: <p>I use Android studio and I have this image with a transparent background. Whenever i click on it it'll bring me to another Activity. But even when I click on the transparent part of the image it'll bring me to the other Activity.
  Is it possible to make the nontransparent part clickable (or touchable) and the transparent part unclickable?</p>