popupwindow

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:orientation="vertical" android:layout_width="match_parent"
    android:layout_height="match_parent">

    <Button
        android:id="@+id/noInterest"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:background="#f00"
        android:text="不感兴趣"/>
</LinearLayout>

shan3 = (ImageView) convertView.findViewById(R.id.imageshan);
 LayoutInflater inflater = LayoutInflater.from(context);
            // 引入窗口配置文件
            View view = inflater.inflate(R.layout.popupwindow, null);
            // 创建PopupWindow对象
            final PopupWindow pop = new PopupWindow(view, ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.WRAP_CONTENT, false);
            // 需要设置一下此参数，点击外边可消失
            pop.setBackgroundDrawable(new BitmapDrawable());
            //设置点击窗口外边窗口消失
            pop.setOutsideTouchable(true);
            // 设置此参数获得焦点，否则无法点击
            pop.setFocusable(true);
            shan3.setOnClickListener(new View.OnClickListener() {
                @Override
                public void onClick(View view) {
                    if(pop.isShowing()) {
                        // 隐藏窗口，如果设置了点击窗口外小时即不需要此方式隐藏
                        pop.dismiss();
                    } else {
                        // 显示窗口
                        pop.showAsDropDown(view);
                    }
                }
            });
            Button btn = (Button) view.findViewById(R.id.noInterest);
            btn.setOnClickListener(new View.OnClickListener() {
                @Override
                public void onClick(View view) {
                    list.remove(position);
                    notifyDataSetChanged();
                }
            });