relative_layout.xml

<?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">

    <View
        android:id="@+id/v1"
        android:layout_width="300dp"
        android:layout_height="100dp"
        android:background="@color/blue"
        >
    </View>

    <View
        android:id="@+id/v2"
        android:layout_width="200dp"
        android:layout_height="100dp"
        android:background="@color/red"
        android:layout_below="@id/v1"
        >
    </View>

    <View
        android:id="@+id/v3"
        android:layout_width="200dp"
        android:layout_height="100dp"
        android:background="@color/green"
        android:layout_toRightOf="@id/v2"
        android:layout_below="@id/v1"
        >
    </View>

    <View
        android:id="@+id/v4"
        android:layout_width="200dp"
        android:layout_height="100dp"
        android:background="@color/yellow"
        android:layout_alignEnd="@id/v1"
        android:foregroundGravity="right"
        >
    </View>

</RelativeLayout>