推送后PopupScreen不显示

Question

我使用以下代码按下弹出屏幕，不显示弹出屏幕。 请告诉我我错过了什么。？

LabelField statusMsg =  new LabelField("Hello");
PopupScreen statusScreen = new PopupScreen((fieldHFM));
UiApplication app = UiApplication.getUiApplication();
app.pushScreen(statusScreen);

Answer 1

尝试  以下列方式做事

UiApplication.getUiApplication().invokeLater(new Runnable() {
                    public void run() {
                        UiApplication.getUiApplication().pushScreen(statusScreen);
                    }
                });