NLiteAVDemo-Android-Java/app/src/main/res/drawable/login_button_border.xml

<?xml version="1.0" encoding="utf-8"?>

<selector xmlns:android="http://schemas.android.com/apk/res/android">
    <item android:state_enabled="false">
        <shape android:shape="rectangle" android:useLevel="false">
            <solid android:color="@color/login_color_btn_disable" />
            <corners android:radius="30dp" />
        </shape>
    </item>

    <item android:state_enabled="true">
        <shape android:shape="rectangle" android:useLevel="false">
            <solid android:color="@color/login_color_btn_enable" />
            <corners android:radius="30dp" />
        </shape>
    </item>
</selector>