Border redonda de Kotlin em XML
<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android" >
<!-- we define background color -->
<solid android:color="#c0c0c0" />
<!-- we define border color and thick -->
<stroke
android:width="3dp"
android:color="#5b8bc7" />
<!-- add some padding for text inside -->
<padding
android:bottom="15dp"
android:left="15dp"
android:right="15dp"
android:top="15dp" />
<!-- we define corner radius, note that radius can be different for each corner -->
<corners android:radius="10dp" />
</shape>
Brainy Bison