res/layout/audio_attachment_view.xml

<?xml version="1.0" encoding="utf-8"?>
<!--
    Copyright (C) 2015 The Android Open Source Project

    Licensed under the Apache License, Version 2.0 (the "License");
    you may not use this file except in compliance with the License.
    You may obtain a copy of the License at

         http://www.apache.org/licenses/LICENSE-2.0

    Unless required by applicable law or agreed to in writing, software
    distributed under the License is distributed on an "AS IS" BASIS,
    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    See the License for the specific language governing permissions and
    limitations under the License.
-->
<!-- A reusable view that hosts an inline audio player. The view is used by both the media picker
     and the conversation to show an audio attachment -->
<merge
    xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="horizontal">

    <com.android.messaging.ui.AudioAttachmentPlayPauseButton
        android:id="@+id/play_pause_button"
        style="@style/AudioAttachmentViewPlayPauseButtonStyle"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_gravity="center">
        <ImageView
            android:id="@+id/play_button"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:src="@drawable/ic_audio_play"
            android:contentDescription="@string/audio_play_content_description"/>

        <ImageView
            android:id="@+id/pause_button"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:src="@drawable/ic_audio_pause"
            android:contentDescription="@string/audio_pause_content_description"/>
    </com.android.messaging.ui.AudioAttachmentPlayPauseButton>

    <com.android.messaging.ui.mediapicker.PausableChronometer
        android:id="@+id/timer"
        style="@style/AudioAttachmentTimerText"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_gravity="center" />

    <com.android.messaging.ui.AudioPlaybackProgressBar
        android:id="@+id/progress"
        style="@android:style/Widget.ProgressBar.Horizontal"
        android:layout_width="0dp"
        android:layout_weight="1"
        android:layout_height="@dimen/audio_progress_bar_height"
        android:layout_gravity="center" />

</merge>