current/support/v7/appcompat/res/layout/notification_template_big_media.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
  -->

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:id="@+id/status_bar_latest_event_content"
    android:layout_width="match_parent"
    android:layout_height="128dp"
    >
    <ImageView android:id="@+id/icon"
        android:layout_width="@dimen/notification_large_icon_width"
        android:layout_height="@dimen/notification_large_icon_height"
        android:scaleType="centerCrop"
        />
    <include layout="@layout/notification_media_cancel_action"
        android:layout_width="48dp"
        android:layout_height="48dp"
        android:layout_marginLeft="2dp"
        android:layout_marginRight="2dp"
        android:layout_alignParentRight="true"/>
    <include layout="@layout/notification_template_lines"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:layout_gravity="fill_vertical"
        android:layout_marginLeft="@dimen/notification_large_icon_width"
        android:layout_marginStart="@dimen/notification_large_icon_width"
        android:layout_toLeftOf="@id/cancel_action"
        android:layout_toStartOf="@id/cancel_action"/>
    <LinearLayout
        android:id="@+id/media_actions"
        android:layout_width="match_parent"
        android:layout_height="48dp"
        android:layout_alignParentBottom="true"
        android:layout_marginLeft="12dp"
        android:layout_marginRight="12dp"
        android:orientation="horizontal"
        android:layoutDirection="ltr"
        >
        <!-- media buttons will be added here -->
    </LinearLayout>
    <ImageView
        android:layout_width="match_parent"
        android:layout_height="1dp"
        android:layout_above="@id/media_actions"
        android:id="@+id/action_divider"
        android:background="?android:attr/dividerHorizontal" />
</RelativeLayout>