【Android】获取Mac地址

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(1) 调用android 的API: NetworkInterface. getHardwareAddress ()

该API的level为9,只有android 2.3以上才有该接口

(2) 调用java 的方法: nbtstat/arp

一般android不支持这两个命令

(3) 调用Android的API: WifiManager

权限:

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<uses-permission android:name="android.permission.ACCESS_WIFI_STATE"></uses-permission>

代码:

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WifiManager wifi = (WifiManager) getSystemService(Context.WIFI_SERVICE);
 
WifiInfo info = wifi.getConnectionInfo();
 
return info.getMacAddress();

这个是设备开通Wifi连接,获取到网卡的MAC地址

(4) 调用Linux的busybox

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/*
  *****************************************************************
  *                       子函数:获得本地MAC地址
  *****************************************************************                       
 */   
 public String getMacAddress(){  
     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 "网络出错,请检查网络";
     }
      
     //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);
         Log.i("test","Mac:"+Mac+" Mac.length: "+Mac.length());
          
         if(Mac.length()>1){
             Mac = Mac.replaceAll(" ","");
             result = "";
             String[] tmp = Mac.split(":");
             for(int i = 0;i<tmp.length;++i){
                 result +=tmp[i];
             }
         }
         Log.i("test",result+" result.length: "+result.length());           
     }
     return result;
 }  
 
  
 public 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);  
          
         //执行命令cmd,只取结果中含有filter的这一行
         while ((line = br.readLine ()) != null && line.contains(filter)== false) {  
             //result += line;
             Log.i("test","line: "+line);
         }
          
         result = line;
         Log.i("test","result: "+result);
     }  
     catch(Exception e) {  
         e.printStackTrace();  
     }  
     return result;  
 }

 

这个需要设备支持busybox工具

(5)查询记录了MAC地址的文件“/proc/net/arp”

需要有这个文件,并且记录了相应的内容

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