Android - Want app to perform tasks every second

Question

I\'m trying to get my countdown app to perform its function of updating my current time and date TextView and fire off its MyOnItemSelectedListener every second so that the

Answer 1

To run it on the main thread:

        new Timer().schedule(new TimerTask() {
        @Override
        public void run() {
            runOnUiThread(new Runnable() {
                @Override
                public void run() {
                    yourMethodOnTheMainThread();
                }
            });
        }
    },0,10000);