native/android/app/src/main/res/mipmap-anydpi-v26/app_icon_aschaffenburg.xml
<?xml version="1.0" encoding="utf-8"?>
<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
<background android:drawable="@color/app_icon_aschaffenburg_background"/>
<foreground android:drawable="@drawable/app_icon_aschaffenburg_foreground"/>
</adaptive-icon>