Android获取MAC地址大全

来源：互联网发布：ubuntu镜像下载地址编辑：程序博客网时间：2024/05/22 14:25
今天帮同学们梳理一下mac、wifi的工具类，持续更新～
/** * Created by caoyujie on 16/12/2. * Mac地址工具类 */public class MacAddressUtils {    /**     * 获取当前连接的wifi的mac地址     */    public static String getWifiMacAddress(Context context){        WifiManager wifi = (WifiManager) context.getSystemService(Context.WIFI_SERVICE);        WifiInfo info = wifi.getConnectionInfo();        String wifiName = info != null ? info.getBSSID() : "";        return wifiName;    }    /**     * 获取wifi名称     */    public static String getWifiName(Context context){        WifiManager wifiMgr = (WifiManager) context.getSystemService(Context.WIFI_SERVICE);        WifiInfo info = wifiMgr.getConnectionInfo();        String wifiId = info != null ? info.getSSID() : "";        return wifiId;    }    /**     * 获取手机Mac地址     *     * @return     */    public static String getMacAddress(Context mContext) {        WifiManager wifiMgr = (WifiManager) mContext.getSystemService(Context.WIFI_SERVICE);        WifiInfo wifiInf = wifiMgr.getConnectionInfo();        // wifiInf.getMacAddress().getMacAddress方法在安卓6.0系统上获取到的Mac 都是 02:00:00:00:00:00。        String invalidMacAddress = "02:00:00:00:00:00";        if (wifiInf.getMacAddress().equals(invalidMacAddress)) {            String ret = null;            try {                ret = getAdressMacByInterface();                if (ret != null) {                    return ret;                } else {                    ret = getAddressMacByFile(wifiMgr);                    return ret;                }            } catch (IOException e) {                Log.e("TAG", "Erreur lecture propriete Adresse MAC");            } catch (Exception e) {                Log.e("TAG", "Erreur lecture propriete Adresse MAC ");            }        } else {            return wifiInf.getMacAddress();        }        return invalidMacAddress;    }    /**     * 获取6.0以上系统的mac值     * @throws Exception     */    private static String getAddressMacByFile(WifiManager wifiMan) throws Exception {        String fileAddressMac = "/sys/class/net/wlan0/address";        String ret;        int wifiState = wifiMan.getWifiState();        wifiMan.setWifiEnabled(true);        File fl = new File(fileAddressMac);        FileInputStream fin = new FileInputStream(fl);        ret = crunchifyGetStringFromStream(fin);        fin.close();        boolean enabled = WifiManager.WIFI_STATE_ENABLED == wifiState;        wifiMan.setWifiEnabled(enabled);        return ret;    }    /**     * 获取6.0以上系统的mac值     * @throws Exception     */    private static String crunchifyGetStringFromStream(InputStream crunchifyStream) throws IOException {        if (crunchifyStream != null) {            Writer crunchifyWriter = new StringWriter();            char[] crunchifyBuffer = new char[2048];            try {                Reader crunchifyReader = new BufferedReader(new InputStreamReader(crunchifyStream, "UTF-8"));                int counter;                while ((counter = crunchifyReader.read(crunchifyBuffer)) != -1) {                    crunchifyWriter.write(crunchifyBuffer, 0, counter);                }            } finally {                crunchifyStream.close();            }            return crunchifyWriter.toString();        } else {            return "No Contents";        }    }    private static String getAdressMacByInterface() {        try {            List<NetworkInterface> all = Collections.list(NetworkInterface.getNetworkInterfaces());            for (NetworkInterface nif : all) {                if (nif.getName().equalsIgnoreCase("wlan0")) {                    byte[] macBytes = nif.getHardwareAddress();                    if (macBytes == null) {                        return "";                    }                    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 e) {            Log.e("TAG", "Erreur lecture propriete Adresse MAC ");        }        return null;    }}
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