how to create button background with round border in android code example

Example 1: rounded corners button in android

<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android">
    <corners android:radius="24dp" />
    <solid android:color="#F00" />
</shape>

Example 2: how to add corner radius in android button

<shape xmlns:android="http://schemas.android.com/apk/res/android"
    android:shape="rectangle">
    <solid android:color="@color/primary" />
    <corners android:radius="5dp" />
</shape>