app/src/main/res/layout/activity_launch.xml

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<?xml version="1.0" encoding="utf-8"?>
<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
    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_bg"
        android:scaleType="centerCrop"
        android:adjustViewBounds="true"
        android:background="?attr/colorPrimary" />

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:gravity="center"
        android:orientation="vertical">

        <ImageView
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_marginLeft="24dp"
            android:layout_marginRight="24dp"
            android:src="@drawable/logo"
            android:scaleType="fitCenter"
            android:adjustViewBounds="true" />

        <TextView
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_marginTop="8dp"
            android:text="@string/logo_url"
            android:textColor="@android:color/white"
            android:textSize="18sp" />

        <TextView
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_marginTop="32dp"
            android:text="@string/logo_slogan"
            android:textColor="@android:color/white"
            android:textSize="22sp" />

    </LinearLayout>

</FrameLayout>