Android获取本机Mac地址跟IP地址

1、获取Mac地址：

?? 在AndroidManifest.xml文件中添加权限：?

<uses-permission android:name="android.permission.ACCESS_WIFI_STATE" />

?? 获取：

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public String getLocalMacAddress() {		WifiManager wifi = (WifiManager) getSystemService(Context.WIFI_SERVICE);		WifiInfo info = wifi.getConnectionInfo();		return info.getMacAddress();	}

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2、获取IP地址：

?? 在AndroidManifest.xml文件中添加权限：

<uses-permission android:name="android.permission.INTERNET"/>

? ?获取：

public String getLocalIpAddress() {         try {               String ipv4;               List<NetworkInterface>  nilist = 			Collections.list(NetworkInterface.getNetworkInterfaces());               for (NetworkInterface ni: nilist){               	List<InetAddress>  ialist = Collections.list(ni.getInetAddresses());                 for (InetAddress address: ialist){                    if (!address.isLoopbackAddress() && 				InetAddressUtils.isIPv4Address(ipv4=address.getHostAddress())){                          return ipv4;                     }                 }             }            } catch (SocketException ex) {             Log.e("exception", ex.toString());         }         return null;     }

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