open-keychain/OpenKeychain/src/main/res/layout/encrypt_asymmetric_fragment.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="wrap_content"
    android:orientation="vertical"
    android:paddingTop="4dp"
    android:paddingBottom="4dp"
    android:paddingRight="16dp"
    android:paddingLeft="16dp">

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:padding="0dp"
        android:layout_margin="0dp"
        style="@android:style/Widget.EditText">

        <TextView
            android:paddingLeft="12dp"
            android:paddingTop="8dp"
            android:paddingBottom="8dp"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:textAppearance="?android:attr/textAppearanceMedium"
            android:text="@string/label_asymmetric_from" />

        <Spinner
            android:id="@+id/sign"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_gravity="center_vertical" />

    </LinearLayout>

    <org.sufficientlysecure.keychain.ui.widget.EncryptKeyCompletionView
        android:id="@+id/recipient_list"
        android:layout_width="match_parent"
        android:layout_height="wrap_content" />
</LinearLayout>