anchor.diff:    static List secondList = [];
     static List thirdList = [];
     static List toAdd = [];
  +
  +
    // static List deviceServices = [];
     StreamSubscription<LocationData> _locationSubscription;
     LocationData _currentLocation;
  
positive.code:                     ),
                      Card(
                        child: Container(
                          height: 500,
                          child: ListView.builder(
                              itemCount: thirdList.length,
                              shrinkWrap: true,
  
negative.code: 
    @override
    Widget build(BuildContext context) {
  
      //Start dynamic resizing
      MediaQueryData queryData = MediaQuery.of(context);
      double verticalSafeBlock = (queryData.size.height -
          (queryData.padding.top + queryData.padding.bottom)) /
          100;
      double cardHeight = verticalSafeBlock * 60;
      return Scaffold(
        appBar: AppBar(
          title: Text("Bluetooth Logger"),
  