main.xml

<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout 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">

    <WebView
        android:id="@+id/webview"
        android:layout_width="0dp"
        android:layout_height="100dp"
        app:layout_constraintTop_toTopOf="parent"
        tools:layout_editor_absoluteX="1dp" />

    <EditText
        android:id="@+id/name_input"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:ems="10"
        android:hint="Imię"
        android:inputType="text"
        app:layout_constraintBottom_toTopOf="@+id/last_name"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@+id/webview" />

    <EditText
        android:id="@+id/last_name"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginBottom="40dp"
        android:ems="10"
        android:hint="Nazwisko"
        android:inputType="text"
        app:layout_constraintBottom_toTopOf="@+id/animals"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent" />

    <CheckBox
        android:id="@+id/animals"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginBottom="40dp"
        android:text="Masz zwierzęta?"
        app:layout_constraintBottom_toTopOf="@+id/animals_input"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent" />

    <EditText
        android:id="@+id/animals_input"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginBottom="112dp"
        android:ems="10"
        android:hint="Jakie?"
        android:inputType="text"
        android:visibility="invisible"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintHorizontal_bias="0.502"
        app:layout_constraintStart_toStartOf="parent" />

</androidx.constraintlayout.widget.ConstraintLayout>