android 取设备公网ip ，内网ip

import android.content.Context;
import android.net.ConnectivityManager;
import android.net.NetworkInfo;
import android.net.wifi.WifiInfo;
import android.net.wifi.WifiManager;

import org.json.JSONObject;

import java.io.BufferedReader;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.net.HttpURLConnection;
import java.net.Inet4Address;
import java.net.InetAddress;
import java.net.NetworkInterface;
import java.net.SocketException;
import java.net.URL;
import java.util.Enumeration;

/**
 * Created by xupf-c on 2019/7/23.
 */

public class IpGetUtil {
    public static String getIPAddress(Context context) {
        NetworkInfo info = ((ConnectivityManager) context
                .getSystemService(Context.CONNECTIVITY_SERVICE)).getActiveNetworkInfo();
        if (info != null && info.isConnected()) {
            if (info.getType() == ConnectivityManager.TYPE_MOBILE) {//当前使用2G/3G/4G网络
                try {
                    //Enumeration en=NetworkInterface.getNetworkInterfaces();
                    for (Enumeration en = NetworkInterface.getNetworkInterfaces(); en.hasMoreElements(); ) {
                        NetworkInterface intf = en.nextElement();
                        for (Enumeration enumIpAddr = intf.getInetAddresses(); enumIpAddr.hasMoreElements(); ) {
                            InetAddress inetAddress = enumIpAddr.nextElement();
                            if (!inetAddress.isLoopbackAddress() && inetAddress instanceof Inet4Address) {
                                return inetAddress.getHostAddress();
                            }
                        }
                    }
                } catch (SocketException e) {
                    e.printStackTrace();
                }

            } else if (info.getType() == ConnectivityManager.TYPE_WIFI) {//当前使用无线网络
                WifiManager wifiManager = (WifiManager) context.getSystemService(Context.WIFI_SERVICE);
                WifiInfo wifiInfo = wifiManager.getConnectionInfo();
                String ipAddress = intIP2StringIP(wifiInfo.getIpAddress());//得到IPV4地址
                return ipAddress;
            }
        } else {
            //当前无网络连接,请在设置中打开网络
        }
        return null;
    }

    /**
     * 将得到的int类型的IP转换为String类型
     *
     * @param ip
     * @return
     */
    public static String intIP2StringIP(int ip) {
        return (ip & 0xFF) + "." +
                ((ip >> 8) & 0xFF) + "." +
                ((ip >> 16) & 0xFF) + "." +
                (ip >> 24 & 0xFF);
    }
    public static String GetNetIp() {
        String IP = "";
        try {
            String address = "http://ip.taobao.com/service/getIpInfo2.php?ip=myip";
            URL url = new URL(address);
            HttpURLConnection connection = (HttpURLConnection) url.openConnection();
            connection.setUseCaches(false);
            connection.setRequestMethod("GET"); //get形式 保证支持重定向
            connection.setRequestProperty("user-agent","Mozilla/5.0 (Windows NT 6.3; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/51.0.2704.7 Safari/537.36"); //设置浏览器ua 保证不出现503
            if (connection.getResponseCode() == HttpURLConnection.HTTP_OK) {
                InputStream in = connection.getInputStream();

                BufferedReader reader = new BufferedReader(new InputStreamReader(in));


                String tmpString = "";
                StringBuilder retJSON = new StringBuilder();
                while ((tmpString = reader.readLine()) != null) {
                    retJSON.append(tmpString + "");
                }


                JSONObject jsonObject = new JSONObject(retJSON.toString());
                String code = jsonObject.getString("code");
                if (code.equals("0")) {
                    JSONObject data = jsonObject.getJSONObject("data");
                    IP = data.getString("ip");
//                    Logger.d("commonUtile:", "IP:"+IP);
                } else {
                    IP="";
                }
            } else {
                IP="";
            }
        } catch (Exception e) {
            IP="";
        }
        return IP;
    }
}