LEDLampControl/app/src/main/res/values/themes.xml

<resources>
    <!-- Base application theme. -->
    <style name="Theme.LEDLampControl" parent="Theme.AppCompat.DayNight.NoActionBar">
        <!-- Customize your theme here. -->
    </style>

    <!-- Splash Screen theme -->
    <style name="Theme.App.Starting" parent="Theme.SplashScreen">
        <item name="windowSplashScreenBackground">@color/splash_background</item>
        <item name="windowSplashScreenAnimatedIcon">@mipmap/ic_launcher</item>
        <item name="postSplashScreenTheme">@style/Theme.LEDLampControl</item>
    </style>
</resources>