title: drawing a pop-up with ShapeDrawable (Android)
body: <p>I want to achieve something like this:
  <a href="https://i.stack.imgur.com/tzNF2.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/tzNF2.png" alt="enter image description here"></a></p>
  
  <p>Is it possible with shapedrawable? how do I place the "triangle" part beneath the rectangle?</p>