UIBinder: load background images in the bundle

It took me a while to figure this out, but finally I found a solution to load CSS background images for styles defined in a *.ui.xml:

  1. Copy the image to the same package as your *.ui.xml
  2. In the ui.xml add a “ui:data” tag that points to the image
  3. In the style block add an @url line that points to the ui:data field
  4. Use it in the style

<ui:data field=’logoImg’ src=’feederator.png’/>


@url logoUrl logoImg; 
.logo {
background: logoUrl no-repeat 0 0;
height: 55px;
    width: 250px;
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