import 'package:flutter/material.dart'; void main(List<String> args) { runApp(MyApp()); } class MyApp extends StatefulWidget { MyApp({super.key}); @override State<MyApp> createState() => _MyAppState(); } class _MyAppState extends State<MyApp> { double size = 10; @override Widget build(BuildContext context) { Future.delayed(Duration(seconds: 2), () { setState(() { size = 200; }); }); return Center( child: AnimatedContainer( duration: Duration(milliseconds: 1500), height: size, width: size, decoration: BoxDecoration( shape: BoxShape.circle, color: Colors.blue.withOpacity(0.5), boxShadow: [ BoxShadow( color: Colors.blue, blurRadius: size, spreadRadius: size / 2), ]), ), ); } }

Those are warnings

Can you share your code + the timestamp you're getting this error?

Try running this command - flutter pub upgrade --major-versions

@@RivaanRanawat Downloading packages... collection 1.18.0 (1.19.0 available) leak_tracker 10.0.5 (10.0.7 available) leak_tracker_flutter_testing 3.0.5 (3.0.8 available) material_color_utilities 0.11.1 (0.12.0 available) string_scanner 1.2.0 (1.3.0 available) test_api 0.7.2 (0.7.3 available) vm_service 14.2.4 (14.2.5 available) No dependencies changed. 7 packages have newer versions incompatible with dependency constraints.

@@RivaanRanawat Now it's showing this

@@RivaanRanawat Sorry I import provider wrong by writing "package/provi....." instead of "package:provid......"

@@RivaanRanawat Thank for your reply

yeh chal rha hai - WidgetStatePropertyAll?

You're welcome!

Using the One Dark Pro Molokai Darker theme

@@RivaanRanawat That's a great theme. But I like the font more 🙃

Yep