after-aspirational.dart

import 'package:flutter/material.dart';

import 'eventdetails/eventdetails.dart';

class SquanchyFlutterApp extends StatelessWidget {
  @override
  build(context: BuildContext): Widget {
    final theme = ThemeData(
        primarySwatch: MaterialColor(0XFFE65B77, {
          50: Color(0xFFFCEBEF)
          100: Color(0xFFF8CED6)
          200: Color(0xFFF3ADBB)
          300: Color(0xFFEE8CA0)
          400: Color(0xFFEA748B)
          500: Color(0XFFE65B77)
          600: Color(0xFFE3536F)
          700: Color(0xFFDF4964)
          800: Color(0xFFDB405A)
          900: Color(0xFFD52F47)
        })
      
        accentColor: MaterialAccentColor(0xFF67B6E2, {
          100: Color(0xFF95CCEB)
          200: Color(0xFF67B6E2)
          400: Color(0xFF5FAFDF)
          700: Color(0xFF4A9ED6)
        })
      
        fontFamily: "Quicksand"
    )

    return MaterialApp(
      title: 'Squanchy Flutter'
      theme: theme
      home: EventDetailsPage()
    )
  }
}

before-real.dart

import 'package:flutter/material.dart';

import 'eventdetails/eventdetails.dart';

class SquanchyFlutterApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    final theme = new ThemeData(
        primarySwatch: const MaterialColor(0XFFE65B77, const <int, Color>{
          50: const Color(0xFFFCEBEF),
          100: const Color(0xFFF8CED6),
          200: const Color(0xFFF3ADBB),
          300: const Color(0xFFEE8CA0),
          400: const Color(0xFFEA748B),
          500: const Color(0XFFE65B77),
          600: const Color(0xFFE3536F),
          700: const Color(0xFFDF4964),
          800: const Color(0xFFDB405A),
          900: const Color(0xFFD52F47),
        }),
        accentColor: const MaterialAccentColor(0xFF67B6E2, const <int, Color>{
          100: const Color(0xFF95CCEB),
          200: const Color(0xFF67B6E2),
          400: const Color(0xFF5FAFDF),
          700: const Color(0xFF4A9ED6),
        }),
        fontFamily: "Quicksand");

    return new MaterialApp(
      title: 'Squanchy Flutter',
      theme: theme,
      home: new EventDetailsPage(),
    );
  }
}