session-android/res/layout/single_recipient_panel.xml

<?xml version="1.0" encoding="utf-8"?>

    <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
        android:id="@+id/recipients_panel"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:orientation="vertical" >

        <org.thoughtcrime.securesms.contacts.RecipientsEditor android:id="@+id/recipients_text"
           android:layout_height="wrap_content"
            android:capitalize="sentences"
            android:autoText="true"
            android:singleLine="true"
            android:hint="@string/recipients_panel__to"
            android:paddingRight="45dip"
            android:paddingLeft="15dp"
            android:paddingTop="12dp"
            android:paddingBottom="12dp"
            android:textColor="?conversation_editor_text_color"
            android:background="?conversation_editor_background"
            android:layout_width="fill_parent"/>

    </RelativeLayout>