tachiyomi/app/src/main/res/drawable/splash_background.xml

<?xml version="1.0" encoding="utf-8"?>
<layer-list xmlns:android="http://schemas.android.com/apk/res/android">

    <item android:drawable="@color/splashBackground" />


    <item
        android:width="64dp"
        android:height="64dp"
        android:drawable="@drawable/ic_tachi"
        android:gravity="center" />

</layer-list>