List files in File.applicationStorage

listFiles.as

function listFiles( file:File, prefix:String="" ):void
{
    if (file.isDirectory)
    {
        var files:Array = file.getDirectoryListing();
        for each (var f:File in files)
        {
            listFiles( f, prefix + file.name + "/" );
        }
    }
    else
    {
        trace( prefix + file.name + " (" + file.nativePath +")" );
    }
}

listFiles( File.applicationStorageDirectory );