{
    "id": "app",
    "widgettype": "VBox",
    "options": { "width": "100%", "height": "100%", "spacing": 0, "padding": "0" },
    "subwidgets": [
        {
            "widgettype": "VideoPlayer",
            "id": "video_player",
            "options": { "width": "100%", "height": "100%", "bgcolor": "#000000" }
        }
    ]
}