android - Get the list of all the device connected in same network -

how can list of device connected in same wifi network. did find couple of applications working available on google play "who on wifi" , "wifi inspector". want implement same functionality in application.

i find out code show connected ips same wi-fi:

private int loopcurrentip = 0; string ad ;   @override protected void oncreate(bundle savedinstancestate) {     // todo auto-generated method stub     super.oncreate(savedinstancestate);     setcontentview(r.layout.activity_main);     //arraylist<inetaddress> ar = getconnecteddevices( );  }    public arraylist<inetaddress> getconnecteddevices(string yourphoneipaddress) {     arraylist<inetaddress> ret = new arraylist<inetaddress>();      loopcurrentip = 0;      string ipaddress = "";     string[] myiparray = yourphoneipaddress.split("\\.");     inetaddress currentpingaddr;       (int = 0; <= 255; i++) {         try {              // build next ip address             currentpingaddr = inetaddress.getbyname(myiparray[0] + "." +                     myiparray[1] + "." +                     myiparray[2] + "." +                     integer.tostring(loopcurrentip));             ad = currentpingaddr.tostring();   /////////////////             log.d("myapp",ad);                 //////////////              // 50ms timeout "ping"             if (currentpingaddr.isreachable(50)) {                  ret.add(currentpingaddr);                 ad = currentpingaddr.tostring();        /////////////////                 log.d("myapp",ad);                     //////////////             }         } catch (unknownhostexception ex) {         } catch (ioexception ex) {         }          loopcurrentip++;     }     return ret; }