PopWindow的使用

View inflate = View.inflate(FilmDetailsActivity.this, R.layout.pop_film_yugao, null);
                final PopupWindow popupWindow = new PopupWindow(inflate, WindowManager.LayoutParams.MATCH_PARENT, WindowManager.LayoutParams.WRAP_CONTENT);
                //设置外面可触
                popupWindow.setOutsideTouchable(true);
                //设置可触
                popupWindow.setFocusable(false);
                //设置背景，保证点击popupwindow外关闭
                popupWindow.setBackgroundDrawable(new ColorDrawable(Color.parseColor("#aa000000")));
                popupWindow.setTouchable(true);
                popupWindow.showAtLocation(filmDetailsPage, Gravity.BOTTOM, 0, 0);
                popupWindow.showAsDropDown(filmDetailsXiangqing);
                ImageView back  = inflate.findViewById(R.id.film_pop_back);
                back.setOnClickListener(new View.OnClickListener() {
                    @Override
                    public void onClick(View v) {
                        //消失
                        popupWindow.dismiss();
                    }
                });
                TextView name  = inflate.findViewById(R.id.film_pop_names);
                name.setText(""+result.getName());