MapOptions defaultMapOptions = new MapOptions();
mapWidget = new MapWidget("100%", "100%", defaultMapOptions);
map = mapWidget.getMap();
Style style = new Style();
style.setStrokeColor("blue");
style.setStrokeWidth(3);
style.setFillOpacity(1);
VectorOptions vectorOptions = new VectorOptions();
vectorOptions.setStyle(style);
vectorLayer = new Vector("Vector", vectorOptions);