Try this drawable layout for border on top and bottom
<?xml version="1.0" encoding="utf-8"?>
<layer-list
xmlns:android="http://schemas.android.com/apk/res/android">
<item>
<shape android:shape="rectangle">
<stroke
android:width="2dp"
android:color="#ffff00" />
<solid android:color="#000000" />
</shape>
</item>
<item
android:bottom="2dp"
android:top="2dp">
<shape android:shape="rectangle">
<stroke
android:width="2dp"
android:color="#000000" />
</shape>
</item>
</layer-list>
Try this for left and right border
<?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="#ffff00"/>
</shape>
</item>
<item android:left="4dp">
<shape android:shape="rectangle">
<solid android:color="#000000"/>
</shape>
</item>
<item android:right="4dp">
<shape android:shape="rectangle">
<solid android:color="#000000"/>
</shape>
</item>
</layer-list>
The technical post webpages of this site follow the CC BY-SA 4.0 protocol. If you need to reprint, please indicate the site URL or the original address.Any question please contact:yoyou2525@163.com.