flutter-embedded-image.dart

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

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

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

  @override
  Widget build(BuildContext context) {
    return const MaterialApp(
      debugShowCheckedModeBanner: false,      
      home: Scaffold(
        backgroundColor: Colors.white,
        body: Center(child: MyImage()),
      ),
    );
  }
}

class MyImage extends StatelessWidget {
  
  const MyImage();
  
  static const src = 'iVBORw0KGgoAAAANSUhEUgAAADAAAAAwCAQAAAD9CzEMAAAA+UlEQVR42u3TLU+CURyG8QvnmJubxcBms9hMTzGbNNu0+QUcyUq0Gg02bVI1mS0n2Sw2N4KFDcYYgxsC4eGMl8P/HBLn+n2AO91sXTcTG+yOISMabKQKD2jqkR0SV+UVlbyxR8L2+UCeTw5IVA2H5vjmiAQd84MW+OWEyApaaIl/zojonDZaocOl/VR9FGDArfVUCjTi3nCqMJbz7fKMDF6ohp3qHYWxnO+QLxTBUTOeymc53yl/KIEWRdip7Dpc4HVFDyXU59p4qvXPV6GBwtjOV8eVdFGkLq6kjpdDkRwz5YFkA02ePM20AwV+RR7IA3kgD+SB3DY1Brjz/Xio3c9AAAAAAElFTkSuQmCC';
  
  @override
  Widget build(BuildContext context) {
    return Image.memory(base64Decode(src));
  }
}