Here is the simple program for printing the stack and positioned widget in Flutter.
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 | Positioned'), ), body: Center( child: Container( height: 500, width: 300, color: Colors.blueGrey, child: Stack( alignment: Alignment.topRight, overflow: Overflow.visible, fit: StackFit.loose, // fit: StackFit.expand, children: <Widget>[ Container( height: 250, width: 250, color: Colors.green, ), Positioned( bottom: 0, left: 0, child: Container( height: 100, width: 100, color: Colors.deepOrange, ), ) ], ), ), ), ); } }To download raw file Click Here
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