I think you can do it by two ways: - declare a hide widget out of the widgetcontiner (like OverviewMapWidget or NavigationWidget) and show with an event when you want. - Create your own window and use PopUpManager.createPopUp, like Search Window Widget (Non-SFV/FV) http://www.arcgis.com/home/item.html?id=2d2ccae108b74b1ba8968e21c730bdb4