Untitled

import 'package:flutter/material.dart';

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

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

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      home: Scaffold(
        body: NestedScrollView(
          headerSliverBuilder: (context, isScrolled) {
            return [
              SliverAppBar(
                pinned: true,
                expandedHeight: 200,
                flexibleSpace: FlexibleSpaceBar(
                  background: Image.asset(
                    'assets/pixel_google.jpg',
                    fit: BoxFit.fitWidth,
                  ),
                  title: const Text('Google Pixel'),
                  titlePadding: const EdgeInsets.only(left: 16.0, bottom: 16.0),
                ),
              ),
            ];
          },
          body: SingleChildScrollView(
            child: Padding(
              padding: const EdgeInsets.all(16),
              child: Column(
                crossAxisAlignment: CrossAxisAlignment.start,
                children: [
                  Row(
                    mainAxisAlignment: MainAxisAlignment.spaceBetween,
                    children: [
                      Text(
                        r'$735',
                        style: Theme.of(context).textTheme.headlineSmall,
                      ),
                    ],
                  )
                ],
              ),
            ),
          ),
        ),
      ),
    );
  }
}