Android实现兼容的水波纹效果

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

<?xml version="1.0" encoding="utf-8"?>
<ripple xmlns:android="http://schemas.android.com/apk/res/android"
 android:color="@color/menu_selected"
 ><!-- 按压的颜色 -->
 <!-- 底部背景的drawable/color/bitmap -->
 <!--<item android:drawable="@color/red" />-->
</ripple>