arcanechat-android/res/drawable/recipient_preference_scrim_top.xml

<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android">
    <gradient
            android:angle="270"
            android:startColor="#26000000"
            android:centerColor="#0C000000"
            android:endColor="@android:color/transparent"/>
</shape>