ADL blank white display AIR 14.0

Hello guys,

Im new to AIR development and i downloaded the AIR version 14.0.

I coded a few screens using Starling & Feathers, when in compiled using amxmlc its working fine but when i use the ADL on my app.xml it displays blank.

here's my app.xml

<?xml version="1.0" encoding="utf-8" ?>

<application xmlns="http://ns.adobe.com/air/application/14.0" minimumPatchLevel="0">

    <id>Main</id>

    <name>Main iOS</name>

    <versionNumber>0.0.1</versionNumber>

    <filename>Main</filename>

    <supportedProfiles>mobileDevice</supportedProfiles>

    <initialWindow>

        <content>Main.swf</content>

        <title>Main</title>

    </initialWindow>

    <icon>

        <image29x29>icons/AIRApp_29.png</image29x29>

        <image57x57>icons/AIRApp_57.png</image57x57>

        <image512x512>icons/AIRApp_512.png</image512x512>

    </icon>

</application>

thanks,

Carlos