圆角钜形

<?xml version="1.0" encoding="utf-8"?>
<shape android:shape="rectangle"
    xmlns:android="http://schemas.android.com/apk/res/android">
    <solid android:color="@android:color/transparent"/>
    <corners android:bottomLeftRadius="5dp"
        android:bottomRightRadius="5dp"
        android:topLeftRadius="5dp"
        android:topRightRadius="5dp"/>
    <stroke
        android:width="1dp"
        android:color="#ff00ff00"/>
</shape>

上半边圆角钜形

<?xml version="1.0" encoding="utf-8"?>
<layer-list xmlns:android="http://schemas.android.com/apk/res/android">

    <!-- 边框的颜色及形状 https://blog.csdn.net/see876/article/details/79839664 -->
    <item>
        <shape android:shape="rectangle">
            <solid android:color="@android:color/white"/>
            <corners android:topLeftRadius="5dp"
                android:topRightRadius="5dp"/>
            <stroke
                android:width="1dp"
                android:color="#ff00ff00"/>
        </shape>

    </item>



    <!--  背景的颜色及形状  -->
    <item android:left="1dp" android:top="1dp"  android:right="1dp">
        <shape android:shape="rectangle">
            <solid android:color="@android:color/white"/>
            <corners android:topLeftRadius="5dp"
                android:topRightRadius="5dp"/>
        </shape>
    </item>



</layer-list>

下半边圆角钜形

<?xml version="1.0" encoding="utf-8"?>
<layer-list xmlns:android="http://schemas.android.com/apk/res/android">

    <!-- 边框的颜色及形状 https://blog.csdn.net/see876/article/details/79839664 -->
    <item>
        <shape android:shape="rectangle">
            <solid android:color="@android:color/white"/>
            <corners android:bottomLeftRadius="5dp"
                android:bottomRightRadius="5dp"/>
            <stroke
                android:width="1dp"
                android:color="#ff00ff00"/>
        </shape>

    </item>



    <!--  背景的颜色及形状  -->
    <item android:left="1dp" android:bottom="1dp"  android:right="1dp">
        <shape android:shape="rectangle">
            <solid android:color="@android:color/white"/>
            <corners android:bottomLeftRadius="5dp"
                android:bottomRightRadius="5dp"/>
        </shape>
    </item>



</layer-list>