app/src/main/res/layout/fragment_wifidirect.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
    android:layout_height="wrap_content"
    android:layout_width="match_parent"
    android:orientation="vertical"
    android:layout_margin="20dp"
    xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools">
    <ScrollView
        android:layout_height="wrap_content"
        android:layout_width="match_parent">
        <LinearLayout
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:orientation="vertical"
            tools:context="net.named_data.nfd.WiFiDirectFragment">

            <!-- Row with title and on/off switch -->
            <RelativeLayout
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_marginBottom="10dp">
                <TextView
                    android:text="@string/fragment_wifidirect_title"
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content" />

                <Switch
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:id="@+id/wd_switch"
                    android:layout_alignParentRight="true" />
            </RelativeLayout>

            <LinearLayout
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:orientation="horizontal"
                android:weightSum="1">

                <TextView
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:text="@string/fragment_wifidirect_label_me"
                    android:layout_weight="0.10" />

                <TextView
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:id="@+id/wd_this_device_name_textview" />
            </LinearLayout>

            <View
                android:layout_width="fill_parent"
                android:layout_height="1dp"
                android:gravity="center_vertical"
                android:background="@color/android_color_gray" />

            <!-- Row for Group connection status -->
            <LinearLayout
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:orientation="horizontal"
                android:weightSum="1">

                <TextView
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:text="@string/fragment_wifidirect_group_conn_status"
                    android:layout_weight="0.10" />

                <TextView
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:id="@+id/wd_group_conn_status_textview" />
            </LinearLayout>

            <!-- Row for IP address display -->
            <LinearLayout
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:orientation="horizontal"
                android:weightSum="1">
                <TextView
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:text="@string/fragment_wifidirect_curr_ip"
                    android:layout_weight="0.10"/>

                <TextView
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:id="@+id/wd_ip_address_textview" />
            </LinearLayout>

            <!-- Row for group owner indicator -->
            <LinearLayout
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:orientation="horizontal"
                android:weightSum="1">
                <TextView
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:text="@string/fragment_wifidirect_is_group_own"
                    android:layout_weight="0.10"/>

                <TextView
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:id="@+id/wd_group_owner_textview" />
            </LinearLayout>
        </LinearLayout>
    </ScrollView>

    <!-- Column of currently connected peers -->
    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="@string/fragment_wifidirect_connected_peers"
        android:layout_marginTop="10dp"/>
    <View
        android:layout_width="fill_parent"
        android:layout_height="1dp"
        android:gravity="center_vertical"
        android:background="@color/android_color_gray" />
    <ListView
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:id="@+id/wd_connected_peers_listview"/>

    <!-- Column of discovered peers -->
    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="@string/fragment_wifidirect_discovered_peers"
        android:layout_marginTop="10dp"/>
    <View
        android:layout_width="fill_parent"
        android:layout_height="1dp"
        android:gravity="center_vertical"
        android:background="@color/android_color_gray" />
    <ListView
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:id="@+id/wd_discovered_peers_listview"/>

</LinearLayout>