Eclipse java project for Android 22

MainActivity.java

package com.example.sampleprj;

import android.app.Activity;
import android.os.Bundle;
import android.widget.TextView;
// import android.view.Menu;
//import android.view.MenuItem;
//import android.app.Activity;
//import android.os.Bundle;
//import android.R;

//import java.util.Date;
import java.net.InetAddress;
import java.net.NetworkInterface;
import java.util.Enumeration;
import java.net.SocketException;

public class MainActivity extends Activity {
	public static Enumeration<NetworkInterface> e;
	public static NetworkInterface n;
	public static Enumeration<InetAddress> ee;
	public static byte[] mymac = new byte[5];
	public static InetAddress inet;
	public static String[] ifaceinets = new String[10];
	public static int counter = -1;
	@Override
	protected void onCreate(Bundle savedInstanceState) {
		try {
			e = NetworkInterface.getNetworkInterfaces();
		} catch (SocketException se) {
			se.printStackTrace();
		}
		while (e.hasMoreElements()) {
			n = (NetworkInterface)e.nextElement();
			// if (args[0].equals(n.getDisplayName())) {
			ee = n.getInetAddresses();
			try {
				mymac = n.getHardwareAddress();
			} catch (SocketException se) {
				se.printStackTrace();
			}
	        	while (ee.hasMoreElements()) {
		      		inet = (InetAddress)ee.nextElement();
	      			counter++;
	        		ifaceinets[counter] = inet.toString();
	        		// System.out.println(n.getDisplayName() + " " + inet);
	        	}
		}
		super.onCreate(savedInstanceState);
        
        	TextView text = new TextView(this);
        	text.setText(ifaceinets.toString());
        	setContentView(text);
	}
}