Android获得WIFI IP地址或者手机网络IP

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

public class GetIPAddressUtil {

    public static String getWifiIP(Context context) {
        String ip = null;
        WifiManager wifiManager = (WifiManager) context
                .getSystemService(Context.WIFI_SERVICE);
        if (wifiManager.isWifiEnabled()) {
            WifiInfo wifiInfo = wifiManager.getConnectionInfo();
            int i = wifiInfo.getIpAddress();
            ip = (i & 0xFF) + "." + ((i >> 8) & 0xFF) + "." + ((i >> 16) & 0xFF)
                    + "." + (i >> 24 & 0xFF);
        }
        return ip;
    }

    public static String getMobileIP() {
        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("哎呀，出错了...",ex.toString());
        }
        return null;
    }
}