title: Expo - Icon doesn't show on Android
body: <p>I'm using <code>NativeBase</code> icon on my react app. But when i tried to run it on Android, all of my icons won't show up and i got this following error</p>
  
  <blockquote>
    <p>WARN  Possible Unhandled Promise Rejection (id: 11): Error: The method
    or property expo-file-system.downloadAsync is not available on
    android, are you sure you've linked all the native dependencies
    properly?</p>
  </blockquote>
  
  <p>Can someone help me? I've been stuck in this problem for days. Thanks.</p>