Android 获取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;  

 }




权限：

1

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