android 半边圆角

新建xml

<?xml version="1.0" encoding="UTF-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android"
    android:shape="rectangle" >

    <corners
        android:bottomLeftRadius="6dp"
        android:bottomRightRadius="0dp"
        android:topLeftRadius="6dp"
        android:topRightRadius="0dp" />
 <!-- 下面右圆角的半径 -->

    <gradient
        android:angle="270"
        android:endColor="#757575"
        android:startColor="#757575" />

    <stroke
        android:width="1dp"
        android:color="#80000000" />

</shape>