Barttje

import 'dart:math';

import 'package:flutter/material.dart';

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

class LineChartDemo extends StatelessWidget {
  @override

Barttje

import 'dart:math';

import 'package:flutter/material.dart';

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

class LineChartDemo extends StatelessWidget {
  @override

Barttje

import 'package:flutter/material.dart';
import 'dart:math';
import 'dart:math' as math;

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

class TicTacToeMain extends StatelessWidget {
  @override

Barttje

import 'package:flutter/material.dart';
import 'dart:math';
import 'dart:math' as math;

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

class TicTacToeMain extends StatelessWidget {
  @override

Barttje

import 'package:flutter/material.dart';
import 'dart:math';

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

class BarChartAnimationDemo extends StatefulWidget {
  @override
  _BarChartAnimationDemoState createState() => _BarChartAnimationDemoState();

Barttje

import 'package:flutter/material.dart';
import 'dart:math';

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

class BarChartAnimationDemo extends StatelessWidget {
  @override
  Widget build(BuildContext context) {

Barttje

import 'package:flutter/material.dart';
import 'dart:math';

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

class BarChartAnimationDemo extends StatelessWidget {
  @override
  Widget build(BuildContext context) {

Barttje

import 'package:flutter/material.dart';
import 'dart:math';

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

class BarChartDemo extends StatelessWidget {
  @override
  Widget build(BuildContext context) {

Barttje

import 'package:flutter/material.dart';

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

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(

Barttje

import 'dart:async';
import 'dart:math';

import 'package:flutter/material.dart';

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

class DonutBlog extends StatelessWidget {