Android获取MAC地址-getNetworkInterfaces

野性酷女 2022-09-11 12:30 229阅读 0赞

/*获取ip-address*/
        fun getPhoneIp(): String {
        
            try {
        
                val en = NetworkInterface.getNetworkInterfaces()
                while (en?.hasMoreElements() == true) {
        
                    val intf = en.nextElement()
                    val enumIpAddr = intf.inetAddresses
                    while (enumIpAddr.hasMoreElements()) {
        
                        val inetAddress = enumIpAddr.nextElement()
                        if (!inetAddress.isLoopbackAddress && inetAddress is Inet4Address) {
        
                            return inetAddress.getHostAddress().toString()
                        }
                    }
                }
            } catch (ex: Exception) {
        
                Logger.d("获取ip报错" + ex.printStackTrace())
                return ""
            }
            return ""
        }

![在这里插入图片描述][watermark_type_ZHJvaWRzYW5zZmFsbGJhY2s_shadow_50_text_Q1NETiBA6buE5q-b54Gr54On6Zuq5LiL_size_14_color_FFFFFF_t_70_g_se_x_16]  
![在这里插入图片描述][watermark_type_ZHJvaWRzYW5zZmFsbGJhY2s_shadow_50_text_Q1NETiBA6buE5q-b54Gr54On6Zuq5LiL_size_19_color_FFFFFF_t_70_g_se_x_16]

/**
     * 通过网络接口取
     * @return
     */
     private static String getNewMac() {
        
     try {
        
      List<NetworkInterface  all = Collections.list(NetworkInterface.getNetworkInterfaces());
      for (NetworkInterface nif : all) {
        
      if (!nif.getName().equalsIgnoreCase("wlan0")) continue;
      byte[] macBytes = nif.getHardwareAddress();
      if (macBytes == null) {
        
       return null;
      }
      StringBuilder res1 = new StringBuilder();
      for (byte b : macBytes) {
        
       res1.append(String.format("%02X:", b));
      }
       if (res1.length()   0) {
        
       res1.deleteCharAt(res1.length() - 1);
      }
      return res1.toString();
      }
     } catch (Exception ex) {
        
      ex.printStackTrace();
     }
     return null;
     }

> 打印输出：WLAN MAC地址 78:36:cc:57:b4:95

注意网络接口的Name有跟多:dummy0、p2p0、wlan0….其中wlan0就是我们需要WiFi mac地址。这个方法Android 7.0及其以下版本都可以获取到

> 建议通过其它方式获取ip

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