Question

我想要通过wifi连接到网络的Android设备的确切IP地址！任何人都可以帮助我在移动设备连接到网络时如何获取IP地址以及如何通过编程方式获取地址.. enter image description here

Answer 1

我用过它并且工作了！

WifiManager wm = (WifiManager) getSystemService(WIFI_SERVICE);
String ip = Formatter.formatIpAddress(wm.getConnectionInfo().getIpAddress());

清单文件中的权限低于。

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

Answer 2

您可以使用此方法获取设备的IP地址，对于IPv4传递为true，对于IPv6传递为false

 public static String getIPAddress(boolean useIPv4) {
    try {
        List<NetworkInterface> interfaces = Collections.list(NetworkInterface.getNetworkInterfaces());
        for (NetworkInterface intf : interfaces) {
            List<InetAddress> addrs = Collections.list(intf.getInetAddresses());
            for (InetAddress addr : addrs) {
                if (!addr.isLoopbackAddress()) {
                    String sAddr = addr.getHostAddress();
                    //boolean isIPv4 = InetAddressUtils.isIPv4Address(sAddr);
                    boolean isIPv4 = sAddr.indexOf(':')<0;

                    if (useIPv4) {
                        if (isIPv4) 
                            return sAddr;
                    } else {
                        if (!isIPv4) {
                            int delim = sAddr.indexOf('%'); // drop ip6 zone suffix
                            return delim<0 ? sAddr.toUpperCase() : sAddr.substring(0, delim).toUpperCase();
                        }
                    }
                }
            }
        }
    } catch (Exception ex) { } // for now eat exceptions
    return "";
}

感谢这个ans How to get IP address of the device?

如何以编程方式获取Android手机的IP地址....？

2 个答案: