Gadgetbridge/app/src/main/res/layout/activity_qhybrid_hr_settings.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical"
    android:weightSum="1">

    <LinearLayout
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:orientation="vertical"
        android:visibility="gone">

        <TextView
            android:id="@+id/qhybrid_button_top_single_press"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="top button single press"
            android:textSize="20dp" />

        <TextView
            android:id="@+id/qhybrid_button_middle_single_press"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="middle button single press"
            android:textSize="20dp" />

        <TextView
            android:id="@+id/qhybrid_button_bottom_single_press"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="bottom button single press"
            android:textSize="20dp" />

    </LinearLayout>

    <Space
        android:layout_width="match_parent"
        android:layout_height="20dp" />

    <TextView
        android:id="@+id/qhybrid_button_widget_top"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="top widget"
        android:textSize="20dp" />

    <TextView
        android:id="@+id/qhybrid_button_widget_right"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="right widget"
        android:textSize="20dp" />

    <TextView
        android:id="@+id/qhybrid_button_widget_bottom"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="bottom widget"
        android:textSize="20dp" />

    <TextView
        android:id="@+id/qhybrid_button_widget_left"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="left widget"
        android:textSize="20dp" />


    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="custom widgets" />

    <ListView
        android:id="@+id/qhybrid_widget_list"
        android:layout_width="match_parent"
        android:layout_height="0dp"
        android:layout_weight="0.4" />

    <Button
        android:id="@+id/qhybrid_widget_add"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:text="add widget" />

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:weightSum="2"
        android:orientation="horizontal">

        <Button
            android:id="@+id/qhybrid_unset_background"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:text="delete background"
            android:layout_weight="1"/>

        <Button
            android:id="@+id/qhybrid_set_background"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:text="set background"
            android:layout_weight="1" />

    </LinearLayout>

</LinearLayout>