获取当前年月日时分秒和星期

private SimpleDateFormat dateFormat;
private Handler timeHandler = new Handler();
private Timer timer;

dateFormat = new SimpleDateFormat("yyyy年MM月dd日 EEE HH:mm:ss", Locale.getDefault());
        timer = new Timer();
        timer.scheduleAtFixedRate(new TimerTask() {
            @Override
            public void run() {
                timeHandler.post(new Runnable() {
                    @Override
                    public void run() {
                        // 获取当前日期和时间并格式化
                        Calendar calendar = Calendar.getInstance();
                        String formattedDateTime = dateFormat.format(calendar.getTime());
                        dataTime.setText(formattedDateTime);
                    }
                });


            }
        },0,1000);


@Override
    protected void onDestroy() {
        super.onDestroy();
        // 清理资源
        if (timer != null) {
            timer.cancel();
        }
        timeHandler.removeCallbacksAndMessages(null);
}