Add Image Simple

 import "package:flutter/material.dart";

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

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

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: "Hello",
      debugShowCheckedModeBanner: false,
      theme: ThemeData(
        primarySwatch: Colors.brown,
    ),
      home: const DashBoardScreen(),
    );
  }
}

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

  @override
  Widget build(BuildContext context) {
    return Scaffold(
        appBar: AppBar(
          title: const Text("HELLO Heer"),
        ),
        body:
        Center(
            child: Container(
              width: 600,
                height: 600,
                child: Image.asset("assets/images/Flutter_Logo.png"),
              //child: Image.asset("assets/images/flutter.png"),
            )
        ),
    );
  }

}