Android(安卓)获取本机WIFI及3G网络IP

获取本机WIFI
private String getLocalIpAddress() {        WifiManager wifiManager = (WifiManager) getSystemService(WIFI_SERVICE);        WifiInfo wifiInfo = wifiManager.getConnectionInfo();        // 获取32位整型IP地址        int ipAddress = wifiInfo.getIpAddress();                //返回整型地址转换成“*.*.*.*”地址        return String.format("%d.%d.%d.%d",                (ipAddress & 0xff), (ipAddress >> 8 & 0xff),                (ipAddress >> 16 & 0xff), (ipAddress >> 24 & 0xff));    }

3G网络IP
public static String getIpAddress() {

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()                            && inetAddress instanceof Inet4Address) {                        // if (!inetAddress.isLoopbackAddress() && inetAddress                        // instanceof Inet6Address) {                        return inetAddress.getHostAddress().toString();                    }                }            }        } catch (Exception e) {            e.printStackTrace();        }        return null;    }


public  String getLocalIpAddress() {String ipAddress = null;try {List<NetworkInterface> interfaces = Collections.list(NetworkInterface.getNetworkInterfaces());for (NetworkInterface iface : interfaces) {if (iface.getDisplayName().equals("eth0")) {List<InetAddress> addresses = Collections.list(iface.getInetAddresses());for (InetAddress address : addresses) {if (address instanceof Inet4Address) {ipAddress = address.getHostAddress();}}} else if (iface.getDisplayName().equals("wlan0")) {List<InetAddress> addresses = Collections.list(iface.getInetAddresses());for (InetAddress address : addresses) {if (address instanceof Inet4Address) {ipAddress = address.getHostAddress();}}}}} catch (SocketException e) {e.printStackTrace();}return ipAddress;}

需添加如下权限：

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

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

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