title: Adding background color to Xamarin Forms WebView has no impact
body: <p>Page markup</p>
  
  <pre><code>&lt;?xml version="1.0" encoding="UTF-8"?&gt;
  &lt;ContentPage NavigationPage.HasNavigationBar="false" xmlns="http://xamarin.com/schemas/2014/forms" xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml" x:Class="ConnectedLifeView.NativeApp.Pages.LoginSuccessPage"&gt;
      &lt;ContentPage.Content&gt;
          &lt;StackLayout VerticalOptions="FillAndExpand" HorizontalOptions="FillAndExpand" Margin="0" Padding="0"&gt;
              &lt;WebView x:Name="webView" VerticalOptions="FillAndExpand" HorizontalOptions="FillAndExpand" BackgroundColor="#02114D"/&gt;
          &lt;/StackLayout&gt;
      &lt;/ContentPage.Content&gt;
  &lt;/ContentPage&gt;
  </code></pre>
  
  <p>Output
  <a href="https://i.stack.imgur.com/x6Q16.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/x6Q16.png" alt="Xamarin Forms WebView"></a></p>
  
  <p>I tried adding background color to content page and setting WebView background color to Transparent but it has no effect either. </p>
  
  <p>My all other pages have proper background but this page looks a bit weird as it shows white background while the URL loads in WebView.</p>
  
  <p>Xamarin.Forms version: 4.2.0.815419</p>
  
  <p>Platform: Android</p>