anchor.diff:  
     @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"),
  
positive.code:   static List secondList = [];
    static List thirdList = [];
    static List toAdd = [];
   // static List deviceServices = [];
    StreamSubscription<LocationData> _locationSubscription;
    LocationData _currentLocation;
  
negative.code:                     ),
                      Card(
                        child: Container(
                          height: cardHeight,
                          child: ListView.builder(
                              itemCount: thirdList.length,
                              shrinkWrap: true,
  