android用shape给linearLayout设置边框，怎样只保留底部或顶部的边框，...

 

下面是我的测试代码，最终效果LinearLayout有灰色边框，要怎样保留底部或顶部的边框，其它三个方向的边框去掉？ boder.xml Plain Text code? 1 2 3 4 5 6 7 8 9 10 11 12 13 <?xml version="1.0" encoding="utf-8"?> <shape xmlns:android="http://schemas./apk/res/android" >       <stroke           android:width="0.01dp"           android:color="#C6C7CE" />     <padding           android:bottom="5dp"            android:top="5dp"         android:left="5dp"         android:right="5dp" />   </shape> text.xml Plain Text code? 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 <?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas./apk/res/android"      android:orientation="vertical"      android:layout_width="fill_parent"      android:layout_height="fill_parent" >       <LinearLayout android:layout_width="fill_parent" android:layout_height="wrap_content"         android:orientation="vertical" android:gravity="center"         android:background="@drawable/boder" >                   <TextView android:layout_width="fill_parent" android:layout_height="wrap_content"             android:text="@string/log_name"/>                   </LinearLayout>    </LinearLayout>