// Create a toolbar for this map:
final Toolbar toolbar = new Toolbar(map);
toolbar.setButtonSize(Toolbar.BUTTON_SIZE_BIG);
mapLayout.addMember(toolbar);
mapLayout.addMember(map);
// Add an explanation to the page that explains how editing is done:
HLayout infoLayout = new HLayout();
infoLayout.setHeight("35%");
infoLayout.setShowEdges(true);