sheishuoAPP/app/res/drawable/g_round_box_top_bg.xml

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

    <item>
        <shape android:shape="rectangle" >
            <solid android:color="#D9D9D9" />

            <corners
                android:bottomLeftRadius="0dip"
                android:bottomRightRadius="0dip"
                android:topLeftRadius="3dip"
                android:topRightRadius="3dip" />
        </shape>
    </item>
    <item
        android:bottom="1px"
        android:left="1px"
        android:right="1px"
        android:top="1px">
        <shape android:shape="rectangle" >
            <solid android:color="#FFFFFF" />

            <corners
                android:bottomLeftRadius="0dip"
                android:bottomRightRadius="0dip"
                android:topLeftRadius="3dip"
                android:topRightRadius="3dip" />
        </shape>
    </item>

</layer-list>