final Store store = new SimpleStore(new String[]{"abbr", "states"}, SampleData.getStates()); Form form = new Form(); ComboBox cb = new ComboBox(new ComboBoxConfig() { { setMinChars(1); setFieldLabel("State"); setStore(store); setDisplayField("states"); setMode("local"); setTriggerAction("all"); setEmptyText("Enter state"); setLoadingText("Searching..."); setTypeAhead(true); setSelectOnFocus(true); setWidth(250); } }); form.add(cb); form.render();