VancedManager/app/src/main/res/values/styles.xml

<resources>

    <style name="SplashTheme" parent="Theme.MaterialComponents.NoActionBar">
        <item name="android:windowBackground">@drawable/splash_logo</item>
        <item name="android:windowTranslucentStatus">true</item>
        <item name="android:windowTranslucentNavigation">true</item>
    </style>

    <style name="MainTheme" parent="Theme.MaterialComponents.DayNight.NoActionBar">
        <item name="android:windowIsTranslucent">true</item>
        <item name="android:windowBackground">?colorSurface</item>
    </style>

</resources>