Stack Example

stack_example.dart

import 'package:flutter/material.dart';

void main() {
  runApp(MaterialApp(home: MyApp()));
}

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(title: Text('Stack')),
      body: Stack(
        children: <Widget>[
          Positioned(
            top: 8,
            left: 8,
            child: Icon(Icons.star, size: 50),
          ),
          Positioned(
            bottom: 8,
            right: 8,
            child: Icon(Icons.call, size: 50),
          ),
        ],
      ),
    );
  }
}