AndroidAPS/app/src/main/res/layout/close.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:id="@+id/done_background"
    android:layout_width="match_parent"
    android:layout_height="56dp"
    android:orientation="horizontal"
    android:background="@android:color/transparent"
    android:gravity="end"
    android:layout_gravity="center_vertical"
    android:paddingBottom="8dp">

    <Button
        android:id="@+id/close"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginEnd="16dp"
        style="@style/mdtp_ActionButton.Text"
        android:text="@string/close" />
</LinearLayout>