我们如何计算过程的时间？ [英] How can we count the time of process?

问题描述

我创建了一个 PopupPanel 并显示了它。我想在一分钟后隐藏它。在那一分钟内，过程不应该停止或暂停。我如何实现这种行为？

I created a PopupPanel and have shown it. I want to hide it after one minute has passed. During that one minute, the process should not be stopped or paused. How can I achieve this behavior?

推荐答案

GWT有自己的 计时器 。

GWT has its own implementation of Timer.

这里有一个非常小的例子：

Here a really small example:

public void onModuleLoad() {
    final PopupPanel popUp = new PopupPanel();
    Label text = new Label("gone in a sec");
    popUp.setWidget(text);

    Timer timer = new Timer() {

        @Override
        public void run() {
            popUp.hide();
        }

    };

    popUp.center();
    timer.schedule(3000);
}

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