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

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

    <data>
        <import type="android.view.View"/>
        <variable
            name="allContactsToggleClickListener"
            type="android.view.View.OnClickListener"/>
        <variable
            name="sipContactsToggleClickListener"
            type="android.view.View.OnClickListener"/>
        <variable
            name="newContactClickListener"
            type="android.view.View.OnClickListener"/>
        <variable
            name="editClickListener"
            type="android.view.View.OnClickListener"/>
        <variable
            name="viewModel"
            type="org.linphone.activities.main.contact.viewmodels.ContactsListViewModel" />
    </data>

    <androidx.slidingpanelayout.widget.SlidingPaneLayout
        android:id="@+id/sliding_pane"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        tools:context=".MainActivity">

        <RelativeLayout
            android:layout_width="@dimen/master_fragment_width"
            android:layout_height="match_parent"
            android:layout_gravity="start">

            <LinearLayout
                android:id="@+id/top_bar"
                android:layout_width="match_parent"
                android:layout_height="@dimen/main_activity_top_bar_size"
                android:background="?attr/lightToolbarBackgroundColor"
                android:orientation="horizontal">

                <RelativeLayout
                    android:layout_width="0dp"
                    android:layout_height="match_parent"
                    android:layout_weight="0.2">

                    <ImageView
                        android:onClick="@{allContactsToggleClickListener}"
                        android:enabled="@{viewModel.sipContactsSelected}"
                        android:contentDescription="@string/content_description_show_all_contacts"
                        android:layout_width="match_parent"
                        android:layout_height="match_parent"
                        android:background="?attr/button_background_drawable"
                        android:padding="15dp"
                        android:src="@drawable/contacts_all" />

                    <View
                        android:visibility="@{viewModel.sipContactsSelected ? View.GONE : View.VISIBLE}"
                        android:layout_width="match_parent"
                        android:layout_height="5dp"
                        android:layout_alignParentBottom="true"
                        android:background="?attr/accentColor" />

                </RelativeLayout>

                <RelativeLayout
                    android:layout_width="0dp"
                    android:layout_height="match_parent"
                    android:layout_weight="0.2">

                    <ImageView
                        android:onClick="@{sipContactsToggleClickListener}"
                        android:enabled="@{!viewModel.sipContactsSelected}"
                        android:contentDescription="@string/content_description_show_sip_contacts"
                        android:layout_width="match_parent"
                        android:layout_height="match_parent"
                        android:background="?attr/button_background_drawable"
                        android:gravity="center"
                        android:padding="15dp"
                        android:src="@drawable/contacts_sip" />

                    <View
                        android:visibility="@{viewModel.sipContactsSelected ? View.VISIBLE : View.GONE}"
                        android:layout_width="match_parent"
                        android:layout_height="5dp"
                        android:layout_alignParentBottom="true"
                        android:background="?attr/accentColor" />

                </RelativeLayout>

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

                <ImageView
                    android:onClick="@{newContactClickListener}"
                    android:contentDescription="@string/content_description_add_contact"
                    android:layout_width="0dp"
                    android:layout_height="match_parent"
                    android:layout_weight="0.2"
                    android:background="?attr/button_background_drawable"
                    android:padding="15dp"
                    android:src="@drawable/contact_add" />

                <ImageView
                    android:onClick="@{editClickListener}"
                    android:enabled="@{!viewModel.contactsList.empty}"
                    android:contentDescription="@string/content_description_enter_edition_mode"
                    android:layout_width="0dp"
                    android:layout_height="match_parent"
                    android:layout_weight="0.2"
                    android:background="?attr/button_background_drawable"
                    android:padding="15dp"
                    android:src="@drawable/delete" />

            </LinearLayout>

            <androidx.fragment.app.FragmentContainerView
                android:id="@+id/list_edit_top_bar_fragment"
                android:name="org.linphone.activities.main.fragments.ListTopBarFragment"
                android:layout_width="match_parent"
                android:layout_height="@dimen/main_activity_top_bar_size"
                android:layout_alignTop="@id/top_bar"
                tools:layout="@layout/list_edit_top_bar_fragment" />

            <EditText
                android:id="@+id/searchBar"
                android:text="@={viewModel.filter}"
                android:layout_width="match_parent"
                android:layout_height="40dp"
                android:layout_below="@id/top_bar"
                android:layout_margin="10dp"
                android:inputType="textPersonName"
                android:drawableLeft="@drawable/search"
                android:drawablePadding="10dp"
                android:background="@color/transparent_color"
                android:backgroundTint="@color/transparent_color"
                android:hint="@string/contact_filter_hint"/>

            <View
                android:layout_width="match_parent"
                android:layout_height="1dp"
                android:layout_below="@id/searchBar"
                android:background="?attr/dividerColor" />

            <androidx.recyclerview.widget.RecyclerView
                android:id="@+id/contactsList"
                android:layout_below="@id/searchBar"
                android:layout_marginTop="5dp"
                android:layout_width="match_parent"
                android:layout_height="match_parent" />

            <RelativeLayout
                android:layout_width="match_parent"
                android:layout_height="match_parent"
                android:layout_below="@id/searchBar">

                <TextView
                    style="@style/empty_list_font"
                    android:layout_width="match_parent"
                    android:layout_height="wrap_content"
                    android:layout_centerVertical="true"
                    android:gravity="center"
                    android:text="@string/no_sip_contact"
                    android:visibility="@{viewModel.sipContactsSelected &amp;&amp; viewModel.contactsList.empty ? View.VISIBLE : View.GONE}" />

                <TextView
                    style="@style/empty_list_font"
                    android:layout_width="match_parent"
                    android:layout_height="wrap_content"
                    android:layout_centerVertical="true"
                    android:gravity="center"
                    android:text="@string/no_contact"
                    android:visibility="@{!viewModel.sipContactsSelected &amp;&amp; viewModel.contactsList.empty ? View.VISIBLE : View.GONE}" />

                <include
                    layout="@layout/wait_layout"
                    app:visibility="@{viewModel.fetchInProgress}"/>

            </RelativeLayout>

            <View
                android:layout_width="1dp"
                android:layout_height="match_parent"
                android:layout_alignParentRight="true"
                android:background="?attr/dividerColor" />

        </RelativeLayout>

        <androidx.fragment.app.FragmentContainerView
            android:id="@+id/contacts_nav_container"
            android:name="androidx.navigation.fragment.NavHostFragment"
            android:layout_width="300dp"
            android:layout_height="match_parent"
            android:layout_weight="1"
            app:defaultNavHost="false"
            app:navGraph="@navigation/contacts_nav_graph"/>

    </androidx.slidingpanelayout.widget.SlidingPaneLayout>

</layout>