Относительный и линейный макет

RelativeLayout

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context=".MainActivity">

    <ImageView
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:src="@drawable/ic_launcher_background"
        android:scaleType="centerCrop"/>


    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="@string/happy_birthday"
        android:textSize="32sp"
        android:layout_margin="8dp"/>

    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="@string/from_alex"
        android:textSize="32sp"
        android:padding="8dp"
        android:layout_alignParentEnd="true"
        android:layout_alignParentBottom="true"/>

</RelativeLayout>