to_csv 1.1.1

This flutter package will help you to create a csv/excel file for your data in flutter framework application.

example/lib/main.dart

import 'package:flutter/material.dart';
import 'package:to_csv/to_csv.dart' as exportCSV;

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

class MyApp extends StatelessWidget {
  const MyApp({super.key});

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Flutter Demo',
      theme: ThemeData(
        primarySwatch: Colors.blue,
      ),
      home: const MyHomePage(title: 'Flutter Demo Home Page'),
    );
  }
}

class MyHomePage extends StatefulWidget {
  const MyHomePage({super.key, required this.title});

  final String title;

  @override
  State<MyHomePage> createState() => _MyHomePageState();
}

class _MyHomePageState extends State<MyHomePage> {
  int _counter = 0;
  List<String> header = []; //Header list variable
  List<List<String>> listOfLists = [];
  List<String> data1 = [
    '1',
    'Bilal Saeed',
    '1374934',
    '912839812'
  ]; //Inner list which contains Data i.e Row
  List<String> data2 = [
    '2',
    'Ahmar',
    '21341234',
    '192834821'
  ]; //Inner list which contains Data i.e Row//Outter List which contains the data List
  @override
  void initState() {
    // TODO: implement initState
    super.initState();
    header.add('No.');
    header.add('User Name');
    header.add('Mobile');
    header.add('ID Number');

    listOfLists.add(header);
    listOfLists.add(data1);
    listOfLists.add(data2);
  }

  Widget HeaderRow() {
    return Padding(
      padding: const EdgeInsets.only(left:17,top:12.0),
      child: Row(
        mainAxisAlignment: MainAxisAlignment.spaceAround,
        children: [
          Text(header[0], style: const TextStyle(
            fontSize: 14, color: Colors.black87, fontWeight: FontWeight.bold,),),
          Text(header[1], style: const TextStyle(
            fontSize: 14, color: Colors.black87, fontWeight: FontWeight.bold,),),
          Text(header[2], style: const TextStyle(
            fontSize: 14, color: Colors.black87, fontWeight: FontWeight.bold,),),
          Text(header[3], style: const TextStyle(
            fontSize: 14, color: Colors.black87, fontWeight: FontWeight.bold,),),

        ],
      ),
    );
  }


  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: Text(widget.title),
      ),
      body: SingleChildScrollView(
        child: Container(
          child: Column(
            children: [
              HeaderRow(),
             Divider(),
             Container(
               height: MediaQuery.of(context).size.height,
               width: MediaQuery.of(context).size.width,
               child: ListView(
                 children: [
                Padding(
               padding: const EdgeInsets.only(top:12.0),
               child: Row(
                 mainAxisAlignment: MainAxisAlignment.spaceAround,
                 children: [
                   Text(data1[0], style: const TextStyle(
                     fontSize: 14, color: Colors.black87, fontWeight: FontWeight.bold,),),
                   Text(data1[1], style: const TextStyle(
                     fontSize: 14, color: Colors.black87, fontWeight: FontWeight.bold,),),
                   Text(data1[2], style: const TextStyle(
                     fontSize: 14, color: Colors.black87, fontWeight: FontWeight.bold,),),
                   Text(data1[3], style: const TextStyle(
                     fontSize: 14, color: Colors.black87, fontWeight: FontWeight.bold,),),

                 ],
               ),
             ),
                Padding(
               padding: const EdgeInsets.only(top:12.0),
               child: Row(
                 mainAxisAlignment: MainAxisAlignment.spaceAround,
                 children: [
                   Text(data2[0], style: const TextStyle(
                     fontSize: 14, color: Colors.black87, fontWeight: FontWeight.bold,),),
                   Text(data2[1], style: const TextStyle(
                     fontSize: 14, color: Colors.black87, fontWeight: FontWeight.bold,),),
                   Text(data2[2], style: const TextStyle(
                     fontSize: 14, color: Colors.black87, fontWeight: FontWeight.bold,),),
                   Text(data2[3], style: const TextStyle(
                     fontSize: 14, color: Colors.black87, fontWeight: FontWeight.bold,),),

                 ],
               ),
             ),


                 ],
                ),
             ),
            ],
          ),
        ),
      ),
      floatingActionButton: Padding(
        padding: const EdgeInsets.all(16.0),
        child:  Container(
          width: 130,
          decoration: BoxDecoration(
            color: Colors.blue,
            borderRadius: BorderRadius.circular(12)
          ),
          child: TextButton(
            child: const Text('Export CV',style: TextStyle(color: Colors.white,fontSize: 18,fontWeight: FontWeight.bold),),
            onPressed: () {
              exportCSV.myCSV(header, listOfLists);
            },
          ),)
      ), // This trailing comma makes auto-formatting nicer for build methods.
    );
  }
}