Android开发获取手机IP地址

版权声明：本文为博主原创文章，未经博主允许不得转载。 https://blog.csdn.net/Mr___Xu/article/details/81202254

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<NetworkInterface> en=NetworkInterface.getNetworkInterfaces();
                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) {
                            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);
}