arcanechat-android/res/layout/preference_divider_explain_autocrypt.xml

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
              android:layout_width="match_parent"
              android:layout_height="wrap_content"
              android:orientation="vertical"
              android:layout_margin="0dp"
              android:background="@color/amber_50"
              android:padding="0dp">

    <TextView
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:text="@string/preferences_autocrypt__explain"
            android:paddingLeft="16dp"
            android:paddingRight="16dp"
            android:paddingTop="8dp"
            android:paddingBottom="16dp"
            android:background="?pref_divider"/>

</LinearLayout>