title: How to display pictures in the project resource?
body: <p>I have a set of small icons and hope to display them in my application when certain condition occurs, for example on sunny day, I display the sunny icon. </p>
  
  <p>I can add the jpg files in the picture, and they seem to be uploaded to phone when I deploy the app. However, I don't know how to access these jpgs in my program. </p>
  
  <p>Could someone help? Thanks a lot!</p>