Android开发获取手机Mac地址适配所有Android版本

public static String getMac(Context context) {
 
    String strMac = null;
 
    if (Build.VERSION.SDK_INT < Build.VERSION_CODES.M) {
      Log.e("=====", "6.0以下");
      Toast.makeText(context, "6.0以下", Toast.LENGTH_SHORT).show();
      strMac = getLocalMacAddressFromWifiInfo(context);
      return strMac;
    } else if (Build.VERSION.SDK_INT < Build.VERSION_CODES.N
        && Build.VERSION.SDK_INT  = Build.VERSION_CODES.M) {
      Log.e("=====", "6.0以上7.0以下");
      Toast.makeText(context, "6.0以上7.0以下", Toast.LENGTH_SHORT).show();
      strMac = getMacAddress(context);
      return strMac;
    } else if (Build.VERSION.SDK_INT  = Build.VERSION_CODES.N) {
      Log.e("=====", "7.0以上");
      if (!TextUtils.isEmpty(getMacAddress())) {
        Log.e("=====", "7.0以上1");
        Toast.makeText(context, "7.0以上1", Toast.LENGTH_SHORT).show();
        strMac = getMacAddress();
        return strMac;
      } else if (!TextUtils.isEmpty(getMachineHardwareAddress())) {
        Log.e("=====", "7.0以上2");
        Toast.makeText(context, "7.0以上2", Toast.LENGTH_SHORT).show();
        strMac = getMachineHardwareAddress();
        return strMac;
      } else {
        Log.e("=====", "7.0以上3");
        Toast.makeText(context, "7.0以上3", Toast.LENGTH_SHORT).show();
        strMac = getLocalMacAddressFromBusybox();
        return strMac;
      }
    }
 
    return "02:00:00:00:00:00";
  }

/**
   * 根据wifi信息获取本地mac
   * @param context
   * @return
   */
  public static String getLocalMacAddressFromWifiInfo(Context context){
    WifiManager wifi = (WifiManager) context.getSystemService(Context.WIFI_SERVICE);
    WifiInfo winfo = wifi.getConnectionInfo();
    String mac = winfo.getMacAddress();
    return mac;
  }

/**
* android 6.0及以上、7.0以下 获取mac地址
*
* @param context
* @return
*/
public static String getMacAddress(Context context) {
// 如果是6.0以下，直接通过wifimanager获取
if (Build.VERSION.SDK_INT < Build.VERSION_CODES.M) {
String macAddress0 = getMacAddress0(context);
if (!TextUtils.isEmpty(macAddress0)) {
return macAddress0;
}
}
String str = "";
String macSerial = "";
try {
Process pp = Runtime.getRuntime().exec(
"cat /sys/class/net/wlan0/address");
InputStreamReader ir = new InputStreamReader(pp.getInputStream());
LineNumberReader input = new LineNumberReader(ir);
for (; null != str; ) {
str = input.readLine();
if (str != null) {
macSerial = str.trim();// 去空格
break;
}
}
} catch (Exception ex) {
Log.e("----- " + "NetInfoManager", "getMacAddress:" + ex.toString());
}
if (macSerial == null || "".equals(macSerial)) {
try {
return loadFileAsString("/sys/class/net/eth0/address")
.toUpperCase().substring(0, 17);
} catch (Exception e) {
e.printStackTrace();
Log.e("----- " + "NetInfoManager",
"getMacAddress:" + e.toString());
}
}
return macSerial;
}
private static String getMacAddress0(Context context) {
if (isAccessWifiStateAuthorized(context)) {
WifiManager wifiMgr = (WifiManager) context
.getSystemService(Context.WIFI_SERVICE);
WifiInfo wifiInfo = null;
try {
wifiInfo = wifiMgr.getConnectionInfo();
return wifiInfo.getMacAddress();
} catch (Exception e) {
Log.e("----- " + "NetInfoManager",
"getMacAddress0:" + e.toString());
}
}
return "";
}
/**
* Check whether accessing wifi state is permitted
*
* @param context
* @return
*/
private static boolean isAccessWifiStateAuthorized(Context context) {
if (PackageManager.PERMISSION_GRANTED == context
.checkCallingOrSelfPermission("android.permission.ACCESS_WIFI_STATE")) {
Log.e("----- " + "NetInfoManager", "isAccessWifiStateAuthorized:"
+ "access wifi state is enabled");
return true;
} else
return false;
}
private static String loadFileAsString(String fileName) throws Exception {
FileReader reader = new FileReader(fileName);
String text = loadReaderAsString(reader);
reader.close();
return text;
}
private static String loadReaderAsString(Reader reader) throws Exception {
StringBuilder builder = new StringBuilder();
char[] buffer = new char[4096];
int readLength = reader.read(buffer);
while (readLength  = 0) {
builder.append(buffer, 0, readLength);
readLength = reader.read(buffer);
}
return builder.toString();
}

/**
* 根据IP地址获取MAC地址
*
* @return
*/
public static String getMacAddress() {
String strMacAddr = null;
try {
// 获得IpD地址
InetAddress ip = getLocalInetAddress();
byte[] b = NetworkInterface.getByInetAddress(ip)
.getHardwareAddress();
StringBuffer buffer = new StringBuffer();
for (int i = 0; i < b.length; i++) {
if (i != 0) {
buffer.append(':');
}
String str = Integer.toHexString(b[i] & 0xFF);
buffer.append(str.length() == 1 ? 0 + str : str);
}
strMacAddr = buffer.toString().toUpperCase();
} catch (Exception e) {
}
return strMacAddr;
}
/**
* 获取移动设备本地IP
*
* @return
*/
private static InetAddress getLocalInetAddress() {
InetAddress ip = null;
try {
// 列举
Enumeration<NetworkInterface  en_netInterface = NetworkInterface
.getNetworkInterfaces();
while (en_netInterface.hasMoreElements()) {// 是否还有元素
NetworkInterface ni = (NetworkInterface) en_netInterface
.nextElement();// 得到下一个元素
Enumeration<InetAddress  en_ip = ni.getInetAddresses();// 得到一个ip地址的列举
while (en_ip.hasMoreElements()) {
ip = en_ip.nextElement();
if (!ip.isLoopbackAddress()
&& ip.getHostAddress().indexOf(":") == -1)
break;
else
ip = null;
}
if (ip != null) {
break;
}
}
} catch (SocketException e) {
e.printStackTrace();
}
return ip;
}
/**
* 获取本地IP
*
* @return
*/
private static String getLocalIpAddress() {
try {
for (Enumeration<NetworkInterface  en = NetworkInterface
.getNetworkInterfaces(); en.hasMoreElements(); ) {
NetworkInterface intf = en.nextElement();
for (Enumeration<InetAddress  enumIpAddr = intf
.getInetAddresses(); enumIpAddr.hasMoreElements(); ) {
InetAddress inetAddress = enumIpAddr.nextElement();
if (!inetAddress.isLoopbackAddress()) {
return inetAddress.getHostAddress().toString();
}
}
}
} catch (SocketException ex) {
ex.printStackTrace();
}
return null;
}

/**
* android 7.0及以上 （2）扫描各个网络接口获取mac地址
*
*/
/**
* 获取设备HardwareAddress地址
*
* @return
*/
public static String getMachineHardwareAddress() {
Enumeration<NetworkInterface  interfaces = null;
try {
interfaces = NetworkInterface.getNetworkInterfaces();
} catch (SocketException e) {
e.printStackTrace();
}
String hardWareAddress = null;
NetworkInterface iF = null;
if (interfaces == null) {
return null;
}
while (interfaces.hasMoreElements()) {
iF = interfaces.nextElement();
try {
hardWareAddress = bytesToString(iF.getHardwareAddress());
if (hardWareAddress != null)
break;
} catch (SocketException e) {
e.printStackTrace();
}
}
return hardWareAddress;
}
/***
* byte转为String
*
* @param bytes
* @return
*/
private static String bytesToString(byte[] bytes) {
if (bytes == null || bytes.length == 0) {
return null;
}
StringBuilder buf = new StringBuilder();
for (byte b : bytes) {
buf.append(String.format("%02X:", b));
}
if (buf.length()   0) {
buf.deleteCharAt(buf.length() - 1);
}
return buf.toString();
}

/**
* android 7.0及以上 （3）通过busybox获取本地存储的mac地址
*
*/
/**
* 根据busybox获取本地Mac
*
* @return
*/
public static String getLocalMacAddressFromBusybox() {
String result = "";
String Mac = "";
result = callCmd("busybox ifconfig", "HWaddr");
// 如果返回的result == null，则说明网络不可取
if (result == null) {
return "网络异常";
}
// 对该行数据进行解析
// 例如：eth0 Link encap:Ethernet HWaddr 00:16:E8:3E:DF:67
if (result.length()   0 && result.contains("HWaddr") == true) {
Mac = result.substring(result.indexOf("HWaddr") + 6,
result.length() - 1);
result = Mac;
}
return result;
}
private static String callCmd(String cmd, String filter) {
String result = "";
String line = "";
try {
Process proc = Runtime.getRuntime().exec(cmd);
InputStreamReader is = new InputStreamReader(proc.getInputStream());
BufferedReader br = new BufferedReader(is);
while ((line = br.readLine()) != null
&& line.contains(filter) == false) {
result += line;
}
result = line;
} catch (Exception e) {
e.printStackTrace();
}
return result;
}