activity_main.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout 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:id="@+id/main"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:background="#ADD8E6"
    android:orientation="vertical"
    tools:context=".MainActivity">

    <TextView
        android:id="@+id/header"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_margin="5dp"
        android:text="@string/header"
        android:textAlignment="center"
        android:textSize="20sp"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent" />

    <TextView
        android:id="@+id/header_subscript"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_margin="5dp"
        android:text="@string/author_text"
        android:textAlignment="center" />

    <LinearLayout
        android:id="@+id/washing_machine_section"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:orientation="horizontal">

        <ImageView
            android:id="@+id/washing_machine_image"
            android:layout_width="wrap_content"
            android:layout_height="150dp"
            android:layout_marginLeft="20dp"
            android:layout_marginTop="0dp"
            android:layout_marginRight="20dp"
            android:layout_marginBottom="20dp"
            android:layout_weight="1"
            app:srcCompat="@drawable/pralka" />

        <LinearLayout
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_weight="1"
            android:orientation="vertical">

            <TextView
                android:id="@+id/washing_machine_header"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:text="@string/washing_machine_text"
                android:textSize="20sp" />


            <com.google.android.material.textfield.TextInputLayout
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:textColor="#000080"
                android:textColorHint="#000080"
                >

                <com.google.android.material.textfield.TextInputEditText
                    android:id="@+id/program_input"
                    android:layout_width="match_parent"
                    android:layout_height="wrap_content"
                    android:background="#87CEEB"
                    android:hint="@string/wasching_machine_hint"
                    android:textColor="#000080"
                    android:textColorHint="#000080" />

            </com.google.android.material.textfield.TextInputLayout>

            <Button
                android:id="@+id/washing_button"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:layout_margin="10dp"
                android:backgroundTint="#4169E1"
                android:text="@string/washing_button"
                app:cornerRadius="5dp" />

            <TextView
                android:id="@+id/washing_display"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:text="@string/washing_program" />
        </LinearLayout>

    </LinearLayout>

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:orientation="horizontal">

        <ImageView
            android:id="@+id/hoover_image"
            android:layout_width="wrap_content"
            android:layout_height="150dp"
            android:layout_marginLeft="20dp"
            android:layout_marginTop="0dp"
            android:layout_marginRight="20dp"
            android:layout_marginBottom="20dp"
            android:layout_weight="1"
            app:srcCompat="@drawable/odkurzacz" />

        <LinearLayout
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:layout_weight="1"
            android:orientation="vertical">

            <TextView
                android:id="@+id/hoover_header"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:text="@string/hoover"
                android:textSize="20sp" />

            <Button
                android:id="@+id/hoover_toggle"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:layout_margin="10dp"
                android:backgroundTint="#4169E1"
                android:text="@string/hoover_turn_on"
                app:cornerRadius="5dp" />

            <TextView
                android:id="@+id/hoover_state"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:text="@string/hoover_off" />

            <TextView
                android:id="@+id/hoover_battery_info"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:text="@string/battery_status_charged" />
        </LinearLayout>
    </LinearLayout>

</LinearLayout>