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Editorial Team
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Asked: 2026-05-15T16:17:54+00:00

I’m using Flash Builder 4 to create an application. I need to set an

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I’m using Flash Builder 4 to create an application. I need to set an background image for the app. I’ve pulled through the data from XML.

I am using an <mx:Image> for the background-image. But I need elements to then be added inside it. How do I achieve this? I considered using Layers, but dont know how you achieve this.

Any help appreciated.

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1 Answer

  1. Editorial Team

    One approach: in our flex application, we have a canvas behind our primary container as in

    <mx:Canvas id="bgImg" width="1280" height="800"
           backgroundImage="assets/background.jpg" />
<containers:FlashContainer id="mainContainer">
<!-- HBoxs, VBoxes and loads of other components -->
</containers:FlashContainer>

    So, the other elements you’re looking to add would exist within the internal container with a stationary Canvas “behind” it, which holds your image.

    To get this to work in Flex 4 you need to compile with the Halo theme (instead of Spark). We use flex builder and set the following flag under the project compiler preferences.

    -theme=${flexlib}/themes/Halo/halo.swc

    As in the following image:

    alt text

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