title: How can I enable zoom in & zoom out in android web app?
body: <p>I created an android web app, and I want to apply zoom in &amp; zoom out, but I don't know how!! Please help me.</p>
  
  <p>I need java and xml examples, if anyone can provide me. I searched but I didn't find a helpful solution.</p>
  
  <p>Thank you, 
  Haya </p>