calldataovermodel.dart

import 'package:flutter/material.dart';

const Color darkBlue = Color.fromARGB(255, 18, 32, 47);

void main() {
  runApp(MyApp());
}

class MyApp extends StatefulWidget {
  @override
  State<MyApp> createState() => _MyAppState();
}

class _MyAppState extends State<MyApp> {
  List<String> dataToShow = ['title', 'open', 'high', 'low', 'last', 'volume'];

  List<DataModel> data = [];

  @override
  void initState() {
    super.initState();
    for (var item in dataToShow) {
      data.add(DataModel(item));
    }
  }

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      theme: ThemeData.dark().copyWith(
        scaffoldBackgroundColor: darkBlue,
      ),
      debugShowCheckedModeBanner: false,
      home: Scaffold(
        body: ListView.builder(
          shrinkWrap: true,
          itemCount: data.length,
          itemBuilder: (ctx, index) {
            return GridTile(
                child: Text(data[index].getPropertyValue(dataToShow[0])));
          },
        ),
      ),
    );
  }
}

class DataModel {
  String title;
  DataModel(this.title);
  String getPropertyValue(String propertyName) {
    return propertyName;
  }
}