open-keychain/OpenKeychain/src/main/res/layout/view_key_certs_fragment.xml

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical">

    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:background="@color/holo_gray_bright"
        android:padding="8dp"
        android:textAppearance="?android:attr/textAppearanceSmall"
        android:text="@string/certs_text"
        android:gravity="center_horizontal" />

    <View
        android:layout_width="match_parent"
        android:layout_height="1dip"
        android:background="?android:attr/listDivider"
        android:id="@+id/view_key_status_divider" />

    <FrameLayout
        android:layout_width="match_parent"
        android:layout_height="match_parent">

        <se.emilsjolander.stickylistheaders.StickyListHeadersListView
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:id="@+id/list"
            android:fastScrollEnabled="true"
            android:paddingBottom="16dp"
            android:paddingLeft="16dp"
            android:paddingRight="32dp"
            android:scrollbarStyle="outsideOverlay" />

        <TextView
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:textAppearance="?android:attr/textAppearanceMedium"
            android:text="@string/empty_certs"
            android:id="@+id/empty"
            android:visibility="gone"
            android:layout_gravity="center" />

    </FrameLayout>

</LinearLayout>