session-android/res/layout/push_contact_selection_list_activity.xml

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

    <FrameLayout android:layout_width="match_parent"
                 android:layout_height="wrap_content"
                 android:layout_gravity="center"
                 android:background="?conversation_editor_background"
                 android:paddingRight="15dp"
                 android:paddingLeft="15dp">

        <EditText android:id="@+id/filter"
                  android:inputType="textPersonName"
                  android:layout_width="match_parent"
                  android:layout_height="45sp"
                  android:hint="@string/recipients_panel__to"
                  android:background="@null"
                  android:textColor="?conversation_editor_text_color" />

    </FrameLayout>

    <se.emilsjolander.stickylistheaders.StickyListHeadersListView
        android:id="@android:id/list"
        android:layout_width="match_parent"
        android:layout_height="match_parent" />

    <TextView android:id="@android:id/empty"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:gravity="center|center_vertical"
        android:layout_marginTop="15dp"
        android:text="@string/contact_selection_group_activity__finding_contacts"
        android:textSize="20sp" />

</LinearLayout>