获取有线 WLAN 蓝牙MAC地址

获取有线 WLAN 蓝牙MAC地址

	 /**
     * 获取有线MAC地址
     */
    public static String getEthernetMac() {
        try {
            Enumeration<NetworkInterface> interfaces = NetworkInterface.getNetworkInterfaces();
            while (interfaces.hasMoreElements()) {
                NetworkInterface netWork = interfaces.nextElement();
                if (!netWork.getName().equals("eth0")) {
                    continue;
                }
                byte[] macBytes = netWork.getHardwareAddress();
                if (macBytes == null) {
                    return "";
                }
                StringBuilder res1 = new StringBuilder();
                for (byte b : macBytes) {
                    res1.append(String.format("%02X:", b));
                }
                if (!TextUtils.isEmpty(res1)) {
                    res1.deleteCharAt(res1.length() - 1);
                }

                return res1.toString();
            }
        } catch (Exception e) {
            e.printStackTrace();
        }

        return "";
    }

    /**
     * 获取蓝牙 MAC 地址
     *
     * @return
     */
    public static String getBtMac() {
        return BluetoothAdapter.getDefaultAdapter().getAddress();
    }

    /**
     * 获取 WiFi MAC地址 避免wifi关闭时获取到”02:00:00:00:00:00“
     */
    public static String getWirelessMacAddress(Context context) {
        WifiManager wifiManager = (WifiManager) context.getSystemService(Context.WIFI_SERVICE);
        WifiInfo wifiInfo = wifiManager.getConnectionInfo();
        String wifiMacAddress = "NA";
        if (wifiInfo != null) {
            if ("02:00:00:00:00:00".equals(wifiInfo.getMacAddress())) {
                wifiMacAddress = getMacAddress();
            } else {
                wifiMacAddress = wifiInfo.getMacAddress();
            }
        }
        return wifiMacAddress == null ? "NA" : wifiMacAddress.toUpperCase();
    }

    private static String getMacAddress() {
        String address = null;
        try {
            Enumeration<NetworkInterface> interfaces = NetworkInterface.getNetworkInterfaces();
            while (interfaces.hasMoreElements()) {
                NetworkInterface netWork = interfaces.nextElement();
                byte[] by = netWork.getHardwareAddress();
                if (by == null || by.length == 0) {
                    continue;
                }
                StringBuilder builder = new StringBuilder();
                for (byte b : by) {
                    builder.append(String.format("%02X:", b));
                }
                if (builder.length() > 0) {
                    builder.deleteCharAt(builder.length() - 1);
                }
                String mac = builder.toString();
                if (netWork.getName().equals("wlan0")) {
                    address = mac;
                }
            }
        } catch (SocketException e) {
            e.printStackTrace();
        }
        return address;
    }