倒计时

需求：

a.在后台添加时，如果是今日直播，则需要添加开始时间（精确到秒）；

b.离开始时间超过1天，显示为：“离开时还有X天”；

c.离开时时间不到1天，显示为：“离开时还有XX：XX：XX”；

d.如果已经开始，显示为：“火热进行中”。

效果图：

/**
 * 显示剩余时间
 */
private void setRestTime(final BaseViewHolder holder, IndexPicAdModel model) {
    holder.setVisible(R.id.time, false);
    holder.setVisible(R.id.dayTime, false);
    if (null != timer) {
        timer.cancel();
    }
    timer = new Timer();
    timeRest = Long.valueOf(model.getStartTime()) - System.currentTimeMillis();
    timer.schedule(new TimerTask() {
        @Override
        public void run() {
            timeRest = timeRest - 1000;
            final long day = timeRest / (24 * 60 * 60 * 1000);
            final long hour = (timeRest / (60 * 60 * 1000) - day * 24);
            final long min = ((timeRest / (60 * 1000)) - day * 24 * 60 - hour * 60);
            final long second = (timeRest / 1000 - day * 24 * 60 * 60 - hour * 60 * 60 - min * 60);
            liveTodayHandler.post(new Runnable() {
                @Override
                public void run() {
                    //如果大于一天
                    if (day >= 1) {
                        holder.setText(R.id.day, day + "");
                        holder.setText(R.id.title, "离开始还有");
                        holder.setVisible(R.id.time, true);
                        holder.setVisible(R.id.dayTime, false);
                    } else if (timeRest <= 0) {
                        if (null != timer) {
                            timer.cancel();
                        }
                        holder.setText(R.id.title, "火热进行中");
                        holder.setVisible(R.id.time, false);
                        holder.setVisible(R.id.dayTime, false);
                    } else {
                        holder.setText(R.id.hour, (hour >= 10 ? hour + "" : "0" + hour));
                        holder.setText(R.id.min, (min >= 10 ? min + "" : "0" + min));
                        holder.setText(R.id.second, (second >= 10 ? second + "" : "0" + second));
                        holder.setText(R.id.title, "离开始还有");
                        holder.setVisible(R.id.time, false);
                        holder.setVisible(R.id.dayTime, true);
                    }
                }
            });
        }
    }, 0, 1000);
}