xml 1像素边框。放在android drawable文件夹里面

Posted 2021-05-16

<?xml version="1.0" encoding="utf-8"?>
<layer-list xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="1dp">

    <item
        android:bottom="-1dp"
        android:top="1dp"
        android:right="-1dp"
        android:left="-1dp">

        <shape
            android:shape="rectangle">
            <stroke
                android:width="1dp"
                android:color="@color/grey"/>
            <solid
                android:color="@color/white"/>

        </shape>
    </item>


</layer-list>