How Can Find Mac Address in IOS with Delphi XE App

For get mac address in IOS device can use this code

  Uses
 {$ IFDEF IOS}
 iosapi.uıkit;
 {$ ENDIF}

 there is
 {$ IFDEF IOS}
 Device: uıdevi end;
 {$ ENDIF}
 begin
 {$ IFDEF IOS}
 Device: = tuıdevice.wrap (tuıdevice.occlass.currentdevi by);
 ShowMessage (device.uniqueıdentifier.utf8string);
 ShowMessage (device.identifierforvendor.uuıdstring.utf8string);
 {$ ENDIF}
 end;