react-native-bootsplash/android/src/main/res/drawable-v23/compat_splash_screen.xml

Display a bootsplash on your app starts. Hide it when you want.

<?xml version="1.0" encoding="utf-8"?>
<layer-list xmlns:android="http://schemas.android.com/apk/res/android" android:opacity="opaque">
    <item android:gravity="fill">
        <color android:color="?attr/bootSplashBackground" />
    </item>

    <item
        android:drawable="?bootSplashLogo"
        android:gravity="center"
        android:width="288dp"
        android:height="288dp" />

    <item
        android:drawable="?bootSplashBrand"
        android:gravity="bottom|center_horizontal"
        android:width="200dp"
        android:height="80dp"
        android:bottom="60dp" />
</layer-list>