react-native-free-template/template/android/app/src/main/res/layout/launch_screen.xml

React Native template for a quick start with javascript

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:orientation="vertical" android:layout_width="match_parent"
    android:layout_height="match_parent">
    <ImageView 
        android:layout_width="match_parent" 
        android:layout_height="match_parent" 
        android:src="@drawable/launch_screen" 
        android:scaleType="centerCrop" 
    />
</RelativeLayout>