Get my wifi ip address Android

Question

How can I get the ip address of my phone when it is connected under wifi?

I found a method here but it returns something like 24.182.239.255 even if I\'m under wifi

Answer 1

If you would like to get the private IP address of your device when connected to Wi-Fi, you can try this.

WifiManager wifiMgr = (WifiManager) getSystemService(WIFI_SERVICE);
WifiInfo wifiInfo = wifiMgr.getConnectionInfo();
int ip = wifiInfo.getIpAddress();
String ipAddress = Formatter.formatIpAddress(ip);

Be sure to add the permission

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

to your manifest.

Answer 2

This will get you the WiFi IPv4, IPv6 or both.

public static Enumeration<InetAddress> getWifiInetAddresses(final Context context) {
    final WifiManager wifiManager = (WifiManager) context.getSystemService(Context.WIFI_SERVICE);
    final WifiInfo wifiInfo = wifiManager.getConnectionInfo();
    final String macAddress = wifiInfo.getMacAddress();
    final String[] macParts = macAddress.split(":");
    final byte[] macBytes = new byte[macParts.length];
    for (int i = 0; i< macParts.length; i++) {
        macBytes[i] = (byte)Integer.parseInt(macParts[i], 16);
    }
    try {
        final Enumeration<NetworkInterface> e =  NetworkInterface.getNetworkInterfaces();
        while (e.hasMoreElements()) {
            final NetworkInterface networkInterface = e.nextElement();
            if (Arrays.equals(networkInterface.getHardwareAddress(), macBytes)) {
                return networkInterface.getInetAddresses();
            }
        }
    } catch (SocketException e) {
        Log.wtf("WIFIIP", "Unable to NetworkInterface.getNetworkInterfaces()");
    }
    return null;
}

@SuppressWarnings("unchecked")
public static<T extends InetAddress> T getWifiInetAddress(final Context context, final Class<T> inetClass) {
    final Enumeration<InetAddress> e = getWifiInetAddresses(context);
    while (e.hasMoreElements()) {
        final InetAddress inetAddress = e.nextElement();
        if (inetAddress.getClass() == inetClass) {
            return (T)inetAddress;
        }
    }
    return null;
}

Usage:

final Inet4Address inet4Address = getWifiInetAddress(context, Inet4Address.class);
final Inet6Address inet6Address = getWifiInetAddress(context, Inet6Address.class);

And don't forget:

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

Answer 3

Based on my crash logs, it appears not every device returns the WiFi mac address.

Here is a cleaner version of the most popular reply.

final WifiManager wifiManager = (WifiManager) context.getSystemService(Context.WIFI_SERVICE);
final ByteBuffer byteBuffer = ByteBuffer.allocate(4);
byteBuffer.order(ByteOrder.LITTLE_ENDIAN);
byteBuffer.putInt(wifiInfo.getIpAddress());
try {
final InetAddress inetAddress = InetAddress.getByAddress(null, byteBuffer.array());
} catch (UnknownHostException e) {
    //TODO: Return null?
}