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

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

Author: Adrien Beraud <adrien.beraud@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, see <http://www.gnu.org/licenses/>.
-->
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context=".client.CallActivity">

    <SurfaceView
        android:id="@+id/video_preview_surface"
        android:layout_width="match_parent"
        android:layout_height="32dp"
        android:layout_centerInParent="true"
        android:layout_gravity="center"
        android:visibility="gone"
        tools:visibility="visible" />

    <SurfaceView
        android:id="@+id/camera_preview_surface"
        android:layout_width="160dp"
        android:layout_height="120dp"
        android:layout_alignParentBottom="true"
        android:layout_alignParentEnd="true"
        android:layout_margin="12dp"
        android:visibility="gone"
        tools:visibility="visible" />

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

        <RelativeLayout
            android:layout_width="match_parent"
            android:layout_height="230dp">

            <com.rodolfonavalon.shaperipplelibrary.ShapeRipple
                android:id="@+id/shape_ripple"
                android:layout_width="match_parent"
                android:layout_height="match_parent"
                app:enable_color_transition="true"
                app:ripple_color="@color/white"
                app:ripple_count="3"
                app:ripple_duration="5000"
                app:ripple_stroke_width="15dp" />

            <ImageView
                android:id="@+id/contact_bubble"
                android:layout_width="160dp"
                android:layout_height="160dp"
                android:layout_centerInParent="true"
                tools:src="@drawable/ic_contact_picture_fallback" />
        </RelativeLayout>

        <TextView
            android:id="@+id/contact_bubble_txt"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:ellipsize="middle"
            android:gravity="center_horizontal"
            android:paddingEnd="32dp"
            android:paddingStart="32dp"
            android:singleLine="true"
            android:textAppearance="?android:attr/textAppearanceLarge"
            android:textColor="@color/text_color_primary_dark"
            tools:text="Contact Name" />

        <TextView
            android:id="@+id/contact_bubble_num_txt"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:ellipsize="middle"
            android:gravity="center_horizontal"
            android:paddingEnd="32dp"
            android:paddingStart="32dp"
            android:singleLine="true"
            android:textAppearance="?android:attr/textAppearanceMedium"
            android:textColor="@color/text_color_secondary_dark"
            android:visibility="gone"
            tools:text="ring:xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"
            tools:visibility="visible" />

        <TextView
            android:id="@+id/call_status_txt"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:gravity="center_horizontal"
            android:paddingEnd="32dp"
            android:paddingStart="32dp"
            android:textColor="@color/text_color_primary_dark"
            android:textSize="16sp"
            tools:text="Connecting" />
    </LinearLayout>

    <LinearLayout
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_below="@+id/contact_bubble_layout"
        android:layout_centerHorizontal="true"
        android:orientation="horizontal">

        <android.support.design.widget.FloatingActionButton
            android:id="@+id/call_refuse_btn"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_margin="16dp"
            android:contentDescription="@string/action_call_decline"
            app:backgroundTint="@color/error_red"
            app:elevation="6dp"
            app:pressedTranslationZ="12dp"
            app:rippleColor="@android:color/white"
            app:srcCompat="@drawable/ic_call_end_white"
            app:useCompatPadding="true" />

        <android.support.design.widget.FloatingActionButton
            android:id="@+id/call_accept_btn"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_margin="16dp"
            android:contentDescription="@string/action_call_accept"
            app:backgroundTint="#4caf50"
            app:elevation="6dp"
            app:pressedTranslationZ="12dp"
            app:rippleColor="@android:color/white"
            app:srcCompat="@drawable/ic_call_white"
            app:useCompatPadding="true" />

    </LinearLayout>

    <android.support.design.widget.FloatingActionButton
        android:id="@+id/call_hangup_btn"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignParentBottom="true"
        android:layout_centerInParent="true"
        android:layout_marginBottom="64dp"
        android:contentDescription="@string/action_call_hangup"
        android:visibility="gone"
        app:backgroundTint="@color/error_red"
        app:elevation="6dp"
        app:pressedTranslationZ="12dp"
        app:rippleColor="@android:color/white"
        app:srcCompat="@drawable/ic_call_end_white"
        app:useCompatPadding="true"
        tools:visibility="visible" />

    <EditText
        android:id="@+id/dialpad_edit_text"
        android:layout_width="0dp"
        android:layout_height="wrap_content"
        android:ems="10"
        android:inputType="phone"
        android:visibility="visible" />

</RelativeLayout>