Flutter Basic HomePage

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

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

//void main() => runApp(MyApp());

class MyApp extends StatelessWidget {
  const MyApp({Key? key}) : super(key: key);

  @override
  Widget build(BuildContext context) {
    //Set the fit size (Find your UI design, look at the dimensions of the device screen and fill it in,unit in dp)
    return ScreenUtilInit(
      designSize: const Size(360, 690),
      minTextAdapt: true,
      splitScreenMode: true,
      builder: (context, child) {
        return MaterialApp(
          debugShowCheckedModeBanner: false,
          home: HomePage(),
        );
      },
    );
  }
}

class HomePage extends StatelessWidget {
  
  final purpleColor = Color(0xff6688FF);
  final darkTextColor = Color(0xff1F1A3D);
  final lightTextColor = Color(0xff999999);
  final textFieldColor = Color(0xffF5F6FA);
  final borderColor = Color(0xffD9D9D9);

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      body: SafeArea(
        child: Padding(
          padding: EdgeInsets.symmetric(horizontal: 24.w),
          child: Column(
            crossAxisAlignment: CrossAxisAlignment.start,
            children: [
              Text("Hello")
        
            ],
          ),
        ),
      ),
    );
  }
}