title: Uppercase characters in UItextfield
body: <p>I have a question about <code>iOS UIKeyboard</code>.</p>
  
  <p>I have a <code>UITextField</code> and I would to have the <code>keyboard</code> with only uppercase characters.</p>
  
  <p>I use a <code>storyboard</code> and I tried to set the <code>Cpitalization</code> as "<code>All characters</code>" to <code>UITextField properties</code>.</p>
  
  <p>But this not solve my problem...any suggestion?</p>