LisviewPop.setOnDismissListener(new OnDismissListener() {

                @Override

                public void onDismiss() {

                        //改变显示的按钮图片为正常状态

                Log.d("room", "onTouchEventxx");

                top_btn.setBackgroundResource(R.drawable.home_icon_more_nor);

LisviewPop.dismiss();

                }

        });