Android获取Ethernet、WIFI的ip和mac地址
/** * 获取本地ip * @return */ private String getLocalIpAddress() { try { String ipv4 = null; Listnilist = Collections.list(NetworkInterface.getNetworkInterfaces()); for (NetworkInterface ni : nilist) { List ialist = Collections.list(ni.getInetAddresses()); for (InetAddress address : ialist) { ipv4 = address.getHostAddress(); if (!address.isLoopbackAddress() && InetAddressUtils.isIPv4Address(ipv4)) { return ipv4; } } } } catch (SocketException ex) { } return "0.0.0.0"; }
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通过IP获取MAC地址
/** * 通过本地ip获取mac地址 * @return */ @SuppressWarnings("finally") private String getLocalMacAddressFromIp() { String mac_s = ""; try { byte[] mac; String ip = getLocalIpAddress(); if (!InetAddressUtils.isIPv4Address(ip)) { return mac_s; } InetAddress ipAddress = InetAddress.getByName(ip); if (ipAddress == null) { return mac_s; } NetworkInterface ne = NetworkInterface.getByInetAddress(ipAddress); mac = ne.getHardwareAddress(); if (mac.length > 0) { mac_s = byte2mac(mac); } } catch (Exception e) { e.printStackTrace(); }finally{ return mac_s; } } private String byte2mac(byte[] b) { StringBuffer hs = new StringBuffer(b.length); String stmp = ""; int len = b.length; for (int n = 0; n < len; n++) { stmp = Integer.toHexString(b[n] & 0xFF); if (stmp.length() == 1) { hs = hs.append("0").append(stmp); } else { hs = hs.append(stmp); } } StringBuffer str = new StringBuffer(hs); for (int i = 0; i < str.length(); i++) { if (i % 3 == 0) { str.insert(i, ':'); } } return str.toString().substring(1); }
因为是通过ip获取的mac地址,所以当是wifi连接时的ip获取到的则是WIFI的mac,如果是Ethernet连接时则获取的是Ethernet的mac地址
下面的方法则是直接获取Ethernet的mac
/** * 获取Ethernet的MAC地址 * @return */ private String getMacAddress() { try { return loadFileAsString("/sys/class/net/eth0/address").toUpperCase(Locale.ENGLISH).substring(0, 17); } catch (IOException e) { return null; } } private String loadFileAsString(String filePath) throws java.io.IOException{ StringBuffer fileData = new StringBuffer(1000); BufferedReader reader = new BufferedReader(new FileReader(filePath)); char[] buf = new char[1024]; int numRead=0; while((numRead=reader.read(buf)) != -1){ String readData = String.valueOf(buf, 0, numRead); fileData.append(readData); } reader.close(); return fileData.toString(); }
还有一种更简单的方式获取Ethernet的mac
/** * 获取Ethernet的MAC地址 * @return */ private String getMacAddress() { EthernetManager ethManager = (EthernetManager) MainActivity.this.getSystemService("ethernet"); return ethManager.getMacAddr()==null?"":ethManager.getMacAddr(); }
获取wifi的mac地址
/** * 获取wifi mac * @return */ private String getWifiMac(){ WifiManager wifi = (WifiManager) getSystemService(Context.WIFI_SERVICE); WifiInfo info = wifi.getConnectionInfo(); return info.getMacAddress()==null?"":info.getMacAddress(); }
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