szkolny/app/src/main/res/layout/dialog_widget_config.xml

<?xml version="1.0" encoding="utf-8"?>
<layout
    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">

    <data>

        <import type="android.view.View" />

        <variable
            name="profileName"
            type="String" />
    </data>

    <ScrollView
        android:layout_width="match_parent"
        android:layout_height="match_parent">

        <LinearLayout
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:orientation="vertical"
            android:padding="24dp">

            <TextView
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:isVisible="@{profileName != null}"
                android:text="@string/dialog_widget_config_profile"
                android:textAppearance="?textAppearanceLabelMedium" />

            <TextView
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:layout_marginTop="0dp"
                android:isVisible="@{profileName != null}"
                android:text="@{profileName}"
                android:textIsSelectable="true"
                tools:text="Władca Androida" />

            <TextView
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:layout_marginTop="16dp"
                android:text="@string/dialog_widget_timetable_config_theme"
                android:textAppearance="?textAppearanceLabelMedium" />

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

                <RadioButton
                    android:id="@+id/themeLight"
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:layout_weight="1"
                    android:checked="true"
                    android:text="@string/theme_light" />

                <RadioButton
                    android:id="@+id/themeDark"
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:layout_weight="1"
                    android:text="@string/theme_dark" />
            </RadioGroup>

            <CheckBox
                android:id="@+id/bigStyle"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:layout_marginTop="16dp"
                android:text="@string/dialog_widget_timetable_config_big_style" />

            <TextView
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:layout_marginTop="16dp"
                android:text="@string/dialog_widget_timetable_config_opacity"
                android:textAppearance="?textAppearanceLabelMedium" />

            <SeekBar
                android:id="@+id/opacity"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:max="100"
                android:progress="100" />

            <TextView
                android:id="@+id/opacityText"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:layout_marginTop="0dp"
                android:gravity="end"
                android:textIsSelectable="true"
                tools:text="100%" />

            <androidx.constraintlayout.widget.ConstraintLayout
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:layout_marginTop="16dp">

                <ImageView
                    android:id="@+id/wallpaper"
                    android:layout_width="0dp"
                    android:layout_height="0dp"
                    android:scaleType="center"
                    app:layout_constraintBottom_toBottomOf="@+id/widgetPreview"
                    app:layout_constraintEnd_toEndOf="@+id/widgetPreview"
                    app:layout_constraintStart_toStartOf="@+id/widgetPreview"
                    app:layout_constraintTop_toTopOf="@+id/widgetPreview"
                    tools:srcCompat="@tools:sample/backgrounds/scenic[4]"
                    tools:visibility="visible" />

                <ImageView
                    android:id="@+id/widgetPreview"
                    android:layout_width="match_parent"
                    android:layout_height="wrap_content"
                    android:layout_gravity="center"
                    android:padding="32dp"
                    app:layout_constraintEnd_toEndOf="parent"
                    app:layout_constraintStart_toStartOf="parent"
                    app:layout_constraintTop_toTopOf="parent"
                    app:srcCompat="@drawable/widget_timetable_preview" />
            </androidx.constraintlayout.widget.ConstraintLayout>
        </LinearLayout>
    </ScrollView>
</layout>