thmodelAndroid/uikit/res/drawable/bg_promote_header.xml

<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android">
    <gradient
        android:angle="0"
        android:endColor="#fffd7f8d"
        android:startColor="#fffb5ca3"
        android:type="linear"
        android:useLevel="false" />
    <corners android:radius="12dp" />
</shape>