letozaf

carla-xps-8900              
    description: Desktop Computer
    product: XPS 8900 (06B8)
    vendor: Dell Inc.
    serial: 1WZBLG2
    width: 64 bits
    capabilities: smbios-2.8 dmi-2.8 smp vsyscall32
    configuration: boot=normal chassis=desktop family=XPS sku=06B8 uuid=44454C4C-5700-105A-8042-B1C04F4C4732
  *-core
       description: Motherboard

letozaf

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:background="@drawable/networking"
    tools:context="com.example.android.ipv4classes.MainActivity">

    <TextView
        android:id="@+id/IPV4_heading_textview"

letozaf

package com.example.android.networkingquiz;

import android.content.Context;
import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.text.Editable;
import android.view.View;
import android.widget.CheckBox;
import android.widget.EditText;
import android.widget.RadioButton;