1<?xml version="1.0" encoding="utf-8"?> 2<shape xmlns:android="http://schemas.android.com/apk/res/android" 3 android:shape="rectangle"> 4 <solid android:color="?android:attr/colorPrimary" /> 5 <corners 6 android:bottomLeftRadius="?android:attr/dialogCornerRadius" 7 android:topLeftRadius="?android:attr/dialogCornerRadius" 8 android:bottomRightRadius="0dp" 9 android:topRightRadius="0dp" 10 /> 11</shape> 12