title: Dropdown menu in android
body: <p>I wanna make a dropdown-menu like the one in the attached picture  in android I searched a lot but I Couldn't find anything?</p>
  
  <p>Could you tell me how to start?</p>
  
  <p><img src="https://i.stack.imgur.com/uKgKZ.jpg" alt="dropdown-menu"></p>