Java文本可更改计时器

Question

I need to make a "typing..." implementation, which will change back to fe "online" status, unless renewed. So, basically each time i get "typing" notification I want to set "typing" status for 2 seconds and then change it back, but if I get another "typing" notification, the countdown must reset. How can I achieve this? Thank you

Answer 1

Thanks to @Amy I got the answer. For those, who interested:

First, create Handler and Runnable:

    composingHandler = new Handler();
    composingRunnable = new Runnable() {
        @Override
        public void run() {
            setToolbarSubTitle(getString(R.string.online));
        }
    };

Then in code:

    setToolbarSubTitle(getString(R.string.typing));                              
    composingHandler.removeCallbacks(composingRunnable);
    composingHandler.postDelayed(composingRunnable, 2000);