获取Android手机MAC的一些方法

来源：互联网发布：饥荒联机百科全书 mac 编辑：程序博客网时间：2024/06/11 09:03

获取Android手机MAC的一种实现方案，仅供参考，哈哈哈！是否还有其他更优的解决方法呢？

请注意，高版本在WiFi关闭时，获取不到MAC
`
/**
* 获取手机MAC；
* @param context
* @return
*/

public static String getWlanMac(Context context){    String mac = getWlanMacWifiManager(context);    if(mac == null){        //从本地文件获取        mac = getWlanMacLocalAddress();        if(mac == null){            //从java网络接口获取            mac = getWlanMacInterface();            if(mac == null){                //最后从缓存里读取                mac = Pref.getString("wlan_mac_cached", context);            }        }    }    if(mac != null){        //缓存mac值，防止后续获取失败；一般MAC不会改变        Pref.saveString("wlan_mac_cached", mac, context);    }    return mac;/** * 从WifiManager接口获取手机MAC； * @param context * @return */public static String getWlanMacWifiManager(Context context){    Log.i("DeviceUtil","get mac by WifiManager...");    String mac = null;    WifiManager wifiManager = (WifiManager)context.getSystemService(Context.WIFI_SERVICE);     boolean isWifiEnabled = wifiManager.isWifiEnabled();    if(!isWifiEnabled){        //6.0以上版本获取需要等待授权，所以下面的读取语句会执行失败        wifiManager.setWifiEnabled(true);    }    if (isWifiEnabled) {        WifiInfo wifiInfo = wifiManager.getConnectionInfo();         if (wifiInfo != null) {            mac = wifiInfo.getMacAddress();            if(CheckUtils.isMacRight(mac)){                Log.i("DeviceUtil","mac = " + mac);                return mac;            }else{                mac = null;            }        }    }    return mac;}/** * 从本地文件获取手机MAC； * @param context * @return */public static String getWlanMacLocalAddress(){    Log.i("DeviceUtil","get mac by local address...");    String mac = null;    String path = "/sys/class/net/wlan0/address";    File wlan0 = new File(path);    if(wlan0.exists() && wlan0.isFile()){        mac = execCmd("cat " + path);        if (CheckUtils.isMacRight(mac)) {            return mac;        }else{            mac = null;        }    }    return mac;}private static String getWlanMacInterface() {    Log.i("DeviceUtil","get mac by new interface..." );    String mac = null;    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 mac;              }              StringBuilder builder = new StringBuilder();              for (byte b : macBytes) {                  builder.append(String.format("%02X:",b));              }              if (builder.length() > 0) {                  builder.deleteCharAt(builder.length() - 1);              }            mac = builder.toString();            Log.i("DeviceUtil","mac = " + mac);        }      } catch (Exception e) {        e.printStackTrace();    }    return mac;  }

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