BigPictureStyle Notification

Example:

                                    
                                        <?xml version="1.0" encoding="utf-8"?>
<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"
    android:padding="16dp"
    tools:context=".MainActivity">

    <Button
        android:id="@+id/big_picture_notification"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:text="BigPictureStyle Notification"
        android:textColor="@android:color/white"
        android:backgroundTint="@color/colorPrimary"
        android:textAllCaps="false"
        android:layout_centerInParent="true"/>

</RelativeLayout>