generator-rn-toolbox/generators/assets/templates/android/styles.xml

React-Native generators to kickstart your project

<resources>
    <style name="AppTheme" parent="Theme.AppCompat.Light.NoActionBar">
        <item name="android:windowExitAnimation">@android:anim/fade_out</item>
        <item name="android:windowBackground">@drawable/launch_screen_bitmap</item>
    </style>
</resources>