1<?xml version="1.0" encoding="utf-8"?> 2<shape xmlns:android="http://schemas.android.com/apk/res/android" 3 xmlns:androidprv="http://schemas.android.com/apk/prv/res/android" 4 android:shape="rectangle"> 5 <solid android:color="?androidprv:attr/colorSurface" /> 6 <corners 7 android:bottomLeftRadius="?android:attr/dialogCornerRadius" 8 android:topLeftRadius="?android:attr/dialogCornerRadius" 9 android:bottomRightRadius="?android:attr/dialogCornerRadius" 10 android:topRightRadius="?android:attr/dialogCornerRadius" 11 /> 12</shape> 13