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="From: "/>
        <Spinner
                android:id="@+id/sign"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:layout_gravity="center_vertical"
                android:text="@string/label_sign"
                android:padding="0dp"
                android:layout_margin="0dp"
                />

    </LinearLayout>

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