ring-android/app/src/main/res/layout/item_contact.xml

<?xml version="1.0" encoding="utf-8"?><!--
Copyright (C) 2004-2016 Savoir-faire Linux Inc.

Author: Alexandre Lision <alexandre.lision@savoirfairelinux.com>
        Adrien Beraud <adrien.beraud@savoirfairelinux.com>
        Romain Bertozzi <romain.bertozzi@savoirfairelinux.com>

This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-->

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:id="@+id/contactview"
    android:layout_width="match_parent"
    android:layout_height="72dp"
    android:descendantFocusability="blocksDescendants"
    android:minHeight="72dp">

    <ImageView
        android:id="@+id/photo"
        android:layout_width="48dp"
        android:layout_height="48dp"
        android:layout_alignParentLeft="true"
        android:layout_alignParentStart="true"
        android:layout_centerVertical="true"
        android:layout_marginLeft="16dp"
        android:layout_marginRight="16dp"
        android:contentDescription="@string/contact_picture_description"
        android:scaleType="centerCrop" />

    <TextView
        android:id="@+id/display_name"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_centerVertical="true"
        android:layout_toEndOf="@+id/photo"
        android:layout_toLeftOf="@+id/quick_call"
        android:layout_toRightOf="@+id/photo"
        android:layout_toStartOf="@+id/quick_call"
        android:gravity="start"
        android:textAlignment="viewStart"
        android:textColor="@color/text_color_primary"
        android:textIsSelectable="false"
        android:textSize="16sp" />

    <ImageButton
        android:id="@+id/quick_call"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignParentEnd="true"
        android:layout_alignParentRight="true"
        android:layout_centerVertical="true"
        android:background="?selectableItemBackgroundBorderless"
        android:contentDescription="@string/contact_quick_call_description"
        android:padding="16dp"
        android:src="@drawable/ic_call_white_24dp"
        android:tint="@color/black" />

</RelativeLayout>