1 需求

点击图片底部出现灰色圆圈效果

2 代码实现

1、num_oval_gray_def.xml

<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android"
    android:shape="oval"
    android:useLevel="false">

    <solid android:color="#90bbbbbb" />
    <size
        android:width="40dp"
        android:height="40dp" />
</shape>

2、channel_add_selecto_pressr.xml

<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android">
    <item android:state_pressed="true"
        android:drawable="@drawable/num_oval_gray_def"/>
</selector>

        <LinearLayout
            android:id="@+id/channelMoreLl"
            android:layout_width="40dp"
            android:gravity="center_vertical"
            android:orientation="vertical"