rahichesoft

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

void main() => runApp(new MaterialApp(
      home: new MyApp(),
    ));

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

aloisdeniel

import 'dart:math' as math;

import 'package:flutter/material.dart';
import 'package:flutter/src/rendering/sliver.dart';
import 'package:flutter/src/rendering/sliver_grid.dart';

class _CoordinateOffset {
  final double main, cross;
  _CoordinateOffset(this.main, this.cross);
}