upush_bar_image_notification.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
              android:orientation="vertical"
              android:layout_width="match_parent"
              android:layout_height="64dp">

    <ImageView
        android:id="@+id/notification_bar_image"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:scaleType="fitCenter"/>

</LinearLayout>