open-keychain/OpenPGP-Keychain/res/layout/key_server_export.xml

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

    <Spinner
        android:id="@+id/sign_key_keyserver"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content" />

    <Button
        android:id="@+id/btn_export_to_server"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="@string/btn_export_to_server" />

</LinearLayout>