Getting MAC address in Android 6.0

Question

I\'m developing an app that gets the MAC address of the device, but since Android 6.0 my code doesn\'t work, giving me an incorrect value.

Here\'s my code...

Answer 1

Use below code to get Mac address in Android 6.0

public static String getMacAddr() {
    try {
        List all = Collections.list(NetworkInterface.getNetworkInterfaces());
        for (NetworkInterface nif : all) {
            if (!nif.getName().equalsIgnoreCase("wlan0")) continue;

            byte[] macBytes = nif.getHardwareAddress();
            if (macBytes == null) {
                return "";
            }

            StringBuilder res1 = new StringBuilder();
            for (byte b : macBytes) {
                res1.append(Integer.toHexString(b & 0xFF) + ":");
            }

            if (res1.length() > 0) {
                res1.deleteCharAt(res1.length() - 1);
            }
            return res1.toString();
        }
    } catch (Exception ex) {
        //handle exception
    }
    return "";
}