Get Device Information (OS, Finger Print, IP, MAC Address, Manufacturer, Version etc)

I am writing this tutorial as lot of people are asking me about how to get System properties like what is the version,Model,Hardware Manufacturer,Serial and FingerPrint of a device.As well as many of the visitors also request me to post on how to get ip4/ip6 and MAC Address of Device.

    So Today I am creating a simple ListView to show all the list of system properties i mentioned above and a Utility class that will return an Array list of strings to load listView adapter.

OutPut:

Create new Android Project

Project Name: DeviceInformation

//tested from 2.3.3 to current android sdk 

Build Target: Android 2.3.3   //or greater than that

Application Name: DeviceInformation

Package Name: com.shaikhhamadali.blogspot.deviceinformation

Create Layout file: activity_device_info

1. code of Layout:

<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"
    tools:context=".DeviceInfo" >

    <ListView
        android:id="@+id/listView1"
        android:layout_width="match_parent"
        android:layout_height="match_parent" >
    </ListView>

</RelativeLayout>

2. code of activity:

package com.shaikhhamadali.blogspot.deviceinformation;

import android.os.Bundle;
import android.app.Activity;
import android.widget.ArrayAdapter;
import android.widget.ListView;

public class DeviceInfo extends Activity {

 @Override
 protected void onCreate(Bundle savedInstanceState) {
  super.onCreate(savedInstanceState);
  setContentView(R.layout.activity_device_info);
  //Create instance of Listview and assign reference of control we declared in layout
  ListView lv=(ListView)findViewById(R.id.listView1);
  //create an instance of ArrayAdapter and pass context,layout,list of items
  ArrayAdapter<String> arrayAdapter = new ArrayAdapter<String>(
    this, 
    android.R.layout.simple_list_item_1,
    Utility.getlist() );
  //assign adapter to listview
  lv.setAdapter(arrayAdapter); 
 }

}

code of UtilityClass:

package com.shaikhhamadali.blogspot.deviceinformation;

import java.util.ArrayList;
import java.util.List;
import java.net.*;
import java.util.*;   
import org.apache.http.conn.util.InetAddressUtils;

public class Utility {

 public Utility() {

 }
 public static ArrayList<String> getlist(){
  //Create an instance of ArrayList of String.
  ArrayList<String> str=new ArrayList<String>();
  //add information to list
  str.add("Version : "+System.getProperty("os.version"));
  str.add("Version Release : "+android.os.Build.VERSION.RELEASE);
  str.add("Device : "+android.os.Build.DEVICE);
  str.add("Model : "+android.os.Build.MODEL);
  str.add("Product : "+android.os.Build.PRODUCT);
  str.add("Brand : "+android.os.Build.BRAND);
  str.add("Display : "+android.os.Build.DISPLAY);
  str.add("CPU_ABI : "+android.os.Build.CPU_ABI);
  str.add("CPU_ABI2 : "+android.os.Build.CPU_ABI2);
  str.add("Unknown  :"+android.os.Build.UNKNOWN);
  str.add("HARDWARE : "+android.os.Build.HARDWARE);
  str.add("ID : "+android.os.Build.ID);
  str.add("Manufecturer : "+android.os.Build.MANUFACTURER);
  str.add("Serial : "+android.os.Build.SERIAL);
  str.add("Host : "+android.os.Build.HOST);
  str.add("FingerPrint : "+android.os.Build.FINGERPRINT);
  str.add("User : "+android.os.Build.USER);
  str.add("Lan Mac Add : "+getMACAddress("wlan0"));
  str.add("ether Add : "+getMACAddress("eth0"));
  str.add("ipv4 : "+getIPAddress(true));
  str.add("ipv6 : "+getIPAddress(false));
  //return list
  return str; 
 }
 /**
   Returns MAC address of the given interface name like wlan0 or eth0.
   @param interfaceName eth0, wlan0 or NULL=use first interface 
   @return  mac address or empty string
  */
 public static String getMACAddress(String interfaceName) {
  try {
   //create instance of List to store List of NetworkInterfaces
   List<NetworkInterface> interfaces = Collections.list(NetworkInterface.getNetworkInterfaces());
   //iterate to every item of interfaces
   for (NetworkInterface intf : interfaces) {
    //check only not null interfaces
    if (interfaceName != null) {
     //if interface matches to the required or not 
     if (!intf.getName().equalsIgnoreCase(interfaceName)) continue;
    }
    //get hardware address that is MAC address
    byte[] mac = intf.getHardwareAddress();
    if (mac==null) return "";
    //create instance of StringBuilder
    StringBuilder buf = new StringBuilder();
    //iterate though every byte to format the address in Particular MAC address format.
    for (int idx=0; idx<mac.length; idx++)
     buf.append(String.format("%02X:", mac[idx]));       
    if (buf.length()>0) buf.deleteCharAt(buf.length()-1);
    return buf.toString();
   }
  } catch (Exception ex) { } // for now ignore exceptions
  return "";
 }

 /**
   Get IP address from first non-localhost interface
   @param ipv4  true=return ipv4, false=return ipv6
   @return  address or empty string
  */
 public static String getIPAddress(boolean useIPv4) {
  try {
   //create instance of List to store List of NetworkInterfaces
   List<NetworkInterface> interfaces = Collections.list(NetworkInterface.getNetworkInterfaces());
   //iterate to every item of interfaces
   for (NetworkInterface intf : interfaces) {
    //create instance of List to store List of InetAddress
    List<InetAddress> addrs = Collections.list(intf.getInetAddresses());
    //iterate to every item of InetAddress list
    for (InetAddress addr : addrs) {
     //check that is loop back address 
     /*Valid IPv4 loopback addresses have the prefix 127/8. 
       The only valid IPv6 loopback address is ::1.*/
     if (!addr.isLoopbackAddress()) {
      //get HostAddress
      String sAddr = addr.getHostAddress().toUpperCase();
      //check that is ipv4
      boolean isIPv4 = InetAddressUtils.isIPv4Address(sAddr);
      //if ipv4 return address 
      if (useIPv4) {
       if (isIPv4) 
        return sAddr;
      } else {
       //or ipv6 
       if (!isIPv4) {
        int delim = sAddr.indexOf('%'); // drop ip6 port suffix
        //return ipv6
        return delim<0 ? sAddr : sAddr.substring(0, delim);
       }
      }
     }
    }
   }
  } catch (Exception ex) { } // for now ignore Exceptions
  return "";
 }
}

3. note that:

• As I ignored exceptions above but Good practice is to always check that or notify that to users regarding the problem.
• Above I have used NetworkInterface that represent a network interface of the local device. An interface is defined by its address and a platform dependent name. The class provides methods to get all information about the available interfaces of the system or to identify the local interface of a joined multicast group.
• Also InetAddress used to get the IPV4 or IPV6 of a device.
• You may be interested in getting paired devices list, get list of sensors, ListView from array and array strings.

4. conclusion:

• Some information about how to device information.
• Some information about how to get IP and MAC address.
• know how to create an Array Adapter.
• Know how to us NetworkInterface class and InetAddress class.

5. About the post:

• The code seems to explain itself due to comments, but if you have any questions you can freely ask too!
•  Don’t mind to write a comment whatever you like to ask, to know,to suggest or recommend.
•  Hope you enjoy it!

6. Source Code:

        you can download the source code from: GoogleDrive, Github

Cheers,

Hamad Ali Shaikh