Android 取得本机ip地址和MAC地址

package com.iaiai.test;

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

import android.content.Context;
import android.net.wifi.WifiInfo;
import android.net.wifi.WifiManager;
import android.test.AndroidTestCase;
import android.util.Log;

public class Test extends AndroidTestCase {

	private final String TAG = "Test";

	public void testLocalIpAndMac() {
		Log.i(TAG, "IP: " + getLocalIpAddress() + ", MAC: "
				+ getLocalMacAddress());
	}

	/**
	 * 获取Android本机IP地址
	 * 
	 * @return
	 */
	private String getLocalIpAddress() {
		try {
			for (Enumeration<NetworkInterface> en = NetworkInterface
					.getNetworkInterfaces(); en.hasMoreElements();) {
				NetworkInterface intf = en.nextElement();
				for (Enumeration<InetAddress> enumIpAddr = intf
						.getInetAddresses(); enumIpAddr.hasMoreElements();) {
					InetAddress inetAddress = enumIpAddr.nextElement();
					if (!inetAddress.isLoopbackAddress()) {
						return inetAddress.getHostAddress().toString();
					}
				}
			}
		} catch (SocketException ex) {
			Log.e("WifiPreference IpAddress", ex.toString());
		}
		return null;
	}

	/**
	 * 获取Android本机MAC
	 * 
	 * @return
	 */
	private String getLocalMacAddress() {
		WifiManager wifi = (WifiManager) this.getContext().getSystemService(
				Context.WIFI_SERVICE);
		WifiInfo info = wifi.getConnectionInfo();
		return info.getMacAddress();
	}

}