如何使用GWT和AjaxLoader的Google Visualization图表

I'm trying to incorporate interactive charts into a GWT app using Google Visualization. I don't want to connect to the Google App engine. I'd also like to use the GWT APIs instead of embedding javaScript in my code. I'm trying to follow the examples SimpleViz and HelloAjaxLoader in gwt-google-apis, but the chart does not load. I've added the ajaxloader and visualization jars to my classpath and inherits in gwt.xml. In the following code, the alert "in onModuleLoad" displays, but not "in run".I'm trying to incorporate interactive charts in