import 'package:flutter/material.dart';

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

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      home: GridViewStackExample(),
    );
  }
}

class GridViewStackExample extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: Text('GridView with Stack Example'),
      ),
      body: GridView.builder(
        gridDelegate: SliverGridDelegateWithFixedCrossAxisCount(
          crossAxisCount: 2,
          crossAxisSpacing: 8.0,
          mainAxisSpacing: 8.0,
        ),
        itemCount: 4,
        itemBuilder: (context, index) {
          return Stack(
            children: [
              Container(
                color: Colors.blue,
                child: Center(
                  child: Text(
                    'Grid Item $index',
                    style: TextStyle(color: Colors.white),
                  ),
                ),
              ),
              Positioned(
                top: 5,
                left: 5,
                child: Icon(
                  Icons.star,
                  color: Colors.yellow,
                  size: 30,
                ),
              ),
            ],
          );
        },
      ),
    );
  }
}