title: Picture as background in Xamarin Forms is not displayed
body: <p>I want to use a picture as background in my Xamarin Forms Android app. That image is stored in drawable folder. The image is not displayed when I debug the app on my smartphone. Below is the code. Thank you</p>
  
  <pre><code>&lt;?xml version="1.0" encoding="utf-8" ?&gt;
  &lt;ContentPage xmlns="http://xamarin.com/schemas/2014/forms"
               xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
               xmlns:local="clr-namespace:XamarinTest"
               x:Class="XamarinTest.MainPage"
               BackgroundImage = "BGImage.jpeg"&gt;
  
      &lt;StackLayout&gt;
          &lt;!-- Place new controls here --&gt;
          &lt;Label Text="Welcome to Xamarin.Forms!" 
             HorizontalOptions="Center"
             VerticalOptions="CenterAndExpand" /&gt;
      &lt;/StackLayout&gt;
  &lt;/ContentPage&gt;
  </code></pre>
  
  <pre><code>using System;
  using System.Collections.Generic;
  using System.Linq;
  using System.Text;
  using System.Threading.Tasks;
  using Xamarin.Forms;
  
  namespace XamarinTest
  {
      public partial class MainPage : ContentPage
      {
          public MainPage()
          {
              InitializeComponent();
  
  
          }
      }
  }
  
  </code></pre>