title: Adding another line of components to relativelayout
body: <p>Anyone know how to get this result?</p>
  
  <p><img src="https://i.stack.imgur.com/zNwhw.png" alt="enter image description here"></p>
  
  <p><strong><em>Description:</em></strong>
  When the '+' button is clicked, another line of <em>EditText</em>, <em>Spinner</em>, <em>EditText</em> and <em>Button</em> will be displayed below the line. And lines go on adding if the user click on the '+' button.</p>
  
  <p>Thanks!</p>