Android原生控件 -- PopupWindow（选项菜单）

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical">
    <TextView
        android:id="@+id/tv_good"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:textSize="20sp"
        android:textColor="#A7A7A7"
        android:text="好"
        android:gravity="center"
        android:paddingTop="8dp"
        android:paddingBottom="8dp"/>
    <view
        android:layout_width="match_parent"
        android:layout_height="0.5dp"
        android:background="#242323"/>
    <TextView
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:textSize="20sp"
        android:textColor="#A7A7A7"
        android:text="一般"
        android:gravity="center"
        android:paddingTop="8dp"
        android:paddingBottom="8dp"/>
    <view
        android:layout_width="match_parent"
        android:layout_height="0.5dp"
        android:background="#242323"/>
    <TextView
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:textSize="20sp"
        android:textColor="#A7A7A7"
        android:text="差"
        android:gravity="center"
        android:paddingTop="8dp"
        android:paddingBottom="8dp"/>
</LinearLayout>

        View view = getLayoutInflater().inflate(R.layout.layout_pop,null);
        mPop = new PopupWindow(view,200, ViewGroup.LayoutParams.WRAP_CONTENT);
        mPop.setOutsideTouchable(true);
        //mPop.setFocusable(true);
        TextView textView = view.findViewById(R.id.tv_good);
        textView.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                mPop.dismiss();
                Toast.makeText(getApplicationContext(),"点击了:好",Toast.LENGTH_LONG).show();
            }
        });
        mPop.showAsDropDown(btn_Confirm);