title: how to implement material outlined Textfield with trailing icon in Xamarin. Forms
body: <p>I have been trying to implement material visual for my app in Xamarin Forms. Right now i am focusing on outlined textfield with trailing icon. I have looked into customrenderer, but could not find any answer in Xamarin documentation, forums or any nuget package. 
  Any help in this regard will be highly appreciated. </p>
  
  <h3>Desired Result</h3>
  
  <p><img src="https://i.stack.imgur.com/qy40z.png" alt="Desired Result"></p>
  
  <p>As seen on material website: <a href="https://material.io/components/text-fields" rel="nofollow noreferrer">https://material.io/components/text-fields</a></p>