title: Lowercase-only Input in Xamarin.Forms
body: <p>I am building a Xamarin.Forms app to be used with iOS and Android. The first <code>Page</code> of this app is a login form, with fields pictured below.</p>
  
  <p><a href="https://i.stack.imgur.com/ipzma.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/ipzma.png" alt="App login form"></a></p>
  
  <p>It's my intention to have the keyboard (when focused on the username field) expect all-lowercase characters.</p>
  
  <p>I achieved this on a physical Android device by removing <code>Keyboard="Text"</code>. However, the iOS emulator seems adamant that uppercase is the way to go on that first letter, also showing this behaviour when I have the software keyboard up on the emulator.</p>
  
  <p>I've really struggled to find more information for this when browsing Google. Is anyone aware of:</p>
  
  <ol>
  <li>Expected behaviour of Xamarin.Forms here?</li>
  <li>A way to work around this?</li>
  </ol>