title: understanding View.setTranslationY() [ /X() ]
body: <p>as the title says i want to understand what that method exactly is doing.</p>
  
  <p>firstable i have double checked that the coordinate system of android works like that: 
  <a href="https://i.stack.imgur.com/BWyGr.png" rel="noreferrer">coordinate system</a></p>
  
  <p>secondary - please take a minute to check my android studio screen, and the method quick doc. why is that value of my view (after clicking it) is 106? 
  <a href="https://i.stack.imgur.com/LY0IX.png" rel="noreferrer">android screen</a></p>