RetroMusicPlayer/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml

<?xml version="1.0" encoding="utf-8"?>
<adaptive-icon
    xmlns:android="http://schemas.android.com/apk/res/android">
    <background
        android:drawable="@color/colorAccent" />
    <foreground
        android:drawable="@drawable/ic_launcher_foreground" />
    <monochrome
        android:drawable="@drawable/ic_launcher_monochrome" />
</adaptive-icon>