samples/WiFiDirectServiceDiscovery/res/layout/fragment_chat.xml

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

    <ListView
        android:id="@android:id/list"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:layout_marginBottom="50dip"
        android:transcriptMode="alwaysScroll" >

        <!-- Preview: listitem=@android:layout/simple_list_item_1 -->

    </ListView>

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="50dip"
        android:layout_gravity="bottom" >

        <EditText
            android:id="@+id/txtChatLine"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_gravity="bottom"
            android:layout_weight="0.90"
            android:focusableInTouchMode="true"
            android:hint="@string/txt_hint"
            android:visibility="visible" >
        </EditText>

        <Button
            android:id="@+id/button1"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_gravity="bottom|right"
            android:layout_weight="0.10"
            android:text="@string/btn_send" />
    </LinearLayout>

</FrameLayout>