linphone-android/app/src/main/res/layout/settings_fragment.xml

<?xml version="1.0" encoding="utf-8"?>
<layout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:linphone="http://schemas.android.com/apk/res-auto">

    <data>
        <import type="android.view.View"/>
        <variable
            name="backClickListener"
            type="android.view.View.OnClickListener"/>
        <variable
            name="viewModel"
            type="org.linphone.activities.main.settings.viewmodels.SettingsViewModel" />
    </data>

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

        <LinearLayout
            android:id="@+id/top_bar"
            android:layout_width="match_parent"
            android:layout_height="60dp"
            android:layout_gravity="center_horizontal"
            android:background="?attr/lightToolbarBackgroundColor"
            android:orientation="horizontal">

            <ImageView
                android:id="@+id/back"
                android:onClick="@{backClickListener}"
                android:contentDescription="@string/content_description_go_back"
                android:layout_width="0dp"
                android:layout_height="match_parent"
                android:layout_weight="0.2"
                android:background="?attr/button_background_drawable"
                android:padding="18dp"
                android:src="@drawable/back" />

            <TextView
                style="@style/accent_colored_title_font"
                android:layout_width="0dp"
                android:layout_height="match_parent"
                android:layout_weight="0.6"
                android:gravity="center"
                android:singleLine="true"
                android:ellipsize="end"
                android:padding="15dp"
                android:text="@string/settings"/>

            <View
                android:layout_width="0dp"
                android:layout_height="match_parent"
                android:layout_weight="0.2"
                android:visibility="invisible" />

        </LinearLayout>

        <ScrollView
            android:layout_below="@id/top_bar"
            android:layout_width="match_parent"
            android:layout_height="match_parent">

            <LinearLayout
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:paddingTop="5dp"
                android:paddingBottom="5dp"
                android:orientation="vertical">

                <TextView
                    style="@style/settings_category_font"
                    android:text="@string/settings_accounts_title"
                    android:visibility="@{viewModel.showAccountSettings ? View.VISIBLE : View.GONE}"
                    android:layout_marginLeft="10dp"
                    android:layout_marginRight="10dp"
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"/>

                <LinearLayout
                    android:layout_width="match_parent"
                    android:layout_height="wrap_content"
                    android:orientation="vertical"
                    android:visibility="@{viewModel.showAccountSettings ? View.VISIBLE : View.GONE}"
                    linphone:entries="@{viewModel.accounts}"
                    linphone:layout="@{@layout/settings_account_cell}"/>

                <TextView
                    style="@style/settings_category_font"
                    android:text="@string/settings_list_title"
                    android:paddingTop="15dp"
                    android:layout_marginLeft="10dp"
                    android:layout_marginRight="10dp"
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"/>

                <include
                    layout="@layout/settings_widget_basic"
                    linphone:listener="@{viewModel.tunnelSettingsListener}"
                    android:visibility="@{viewModel.showTunnelSettings ? View.VISIBLE : View.GONE}"
                    linphone:title="@{@string/settings_tunnel_title}" />

                <include
                    layout="@layout/settings_widget_basic"
                    android:visibility="@{viewModel.showAudioSettings ? View.VISIBLE : View.GONE}"
                    linphone:listener="@{viewModel.audioSettingsListener}"
                    linphone:title="@{@string/settings_audio_title}" />

                <include
                    layout="@layout/settings_widget_basic"
                    android:visibility="@{viewModel.showVideoSettings ? View.VISIBLE : View.GONE}"
                    linphone:listener="@{viewModel.videoSettingsListener}"
                    linphone:title="@{@string/settings_video_title}" />

                <include
                    layout="@layout/settings_widget_basic"
                    android:visibility="@{viewModel.showCallSettings ? View.VISIBLE : View.GONE}"
                    linphone:listener="@{viewModel.callSettingsListener}"
                    linphone:title="@{@string/settings_call_title}" />

                <include
                    layout="@layout/settings_widget_basic"
                    android:visibility="@{viewModel.showChatSettings ? View.VISIBLE : View.GONE}"
                    linphone:listener="@{viewModel.chatSettingsListener}"
                    linphone:title="@{@string/settings_chat_title}" />

                <include
                    layout="@layout/settings_widget_basic"
                    android:visibility="@{viewModel.showNetworkSettings ? View.VISIBLE : View.GONE}"
                    linphone:listener="@{viewModel.networkSettingsListener}"
                    linphone:title="@{@string/settings_network_title}" />

                <include
                    layout="@layout/settings_widget_basic"
                    android:visibility="@{viewModel.showContactsSettings ? View.VISIBLE : View.GONE}"
                    linphone:listener="@{viewModel.contactsSettingsListener}"
                    linphone:title="@{@string/settings_contacts_title}" />

                <include
                    layout="@layout/settings_widget_basic"
                    android:visibility="@{viewModel.showAdvancedSettings ? View.VISIBLE : View.GONE}"
                    linphone:listener="@{viewModel.advancedSettingsListener}"
                    linphone:title="@{@string/settings_advanced_title}" />

            </LinearLayout>

        </ScrollView>

    </RelativeLayout>

</layout>