属性动画（点击条目动画两秒消失 并删除本条数据 再跳转页面）

 viewHolder.itemView.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            //动画
            ObjectAnimator alpha = new ObjectAnimator().ofFloat(v, "Alpha", 1, 0);
            alpha.setDuration(2000);
            alpha.addListener(new AnimatorListenerAdapter() {
                @Override
                public void onAnimationEnd(Animator animation) {
                    super.onAnimationEnd(animation);
                    //发送粘性事件//只能发生对象
                    EventBus.getDefault().postSticky(list.get(i));
                    list.remove(list);
                    Intent intent = new Intent(context, DingDanActivity.class);
                    context.startActivity(intent);
                }

                @Override
                public void onAnimationStart(Animator animation) {
                    super.onAnimationStart(animation);
                }
            });
            alpha.start();
        }
    });