title: Connect values with Two spinners
body: <p>I want that</p>
  
  <p>When I select an item from spinner1, the values in spinner2 change accordingly </p>
  
  <p>for Example</p>
  
  <p>When I select "USA" from spinner1, "Los Angeles" and "New York" are shown in spinner2.<br>
  When I select "Germany" from spinner1, "Berlin" and "Munich" are shown in spinner2.</p>