session-android/app/src/main/res/layout/activity_select_contacts.xml

<?xml version="1.0" encoding="utf-8"?>
<androidx.coordinatorlayout.widget.CoordinatorLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent">

    <androidx.recyclerview.widget.RecyclerView
        android:id="@+id/recyclerView"
        android:layout_width="match_parent"
        android:layout_height="match_parent" />

    <LinearLayout
        android:id="@+id/emptyStateContainer"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_gravity="center"
        android:gravity="center_horizontal"
        android:orientation="vertical"
        android:layout_centerInParent="true">

        <TextView
            android:id="@+id/emptyStateMessageTextView"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:textSize="@dimen/medium_font_size"
            android:textColor="?android:textColorPrimary"
            android:text="@string/activity_create_closed_group_empty_state_message" />

    </LinearLayout>

</androidx.coordinatorlayout.widget.CoordinatorLayout>