import 'package:flutter/material.dart';
import 'dart:math';

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

class MyApp extends StatelessWidget {
  const MyApp({Key? key}) : super(key: key);

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Flutter Demo',
      debugShowCheckedModeBanner: false,
      theme: ThemeData(
        primarySwatch: Colors.blue,
        fontFamily: 'Poppins',
      ),
      home: const MyHomePage(title: 'Flutter Circle Shape Border issue'),
    );
  }
}

class MyHomePage extends StatefulWidget {
  const MyHomePage({Key? key, required this.title}) : super(key: key);

  final String title;

  @override
  State<MyHomePage> createState() => _MyHomePageState();
}

class _MyHomePageState extends State<MyHomePage> {
  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: Text(widget.title),
      ),
      body: Center(
        child: Column(
          mainAxisAlignment: MainAxisAlignment.center,
          children: <Widget>[
            Container(
                width: 120.0,
                height: 120.0,
                decoration:  BoxDecoration(
                    shape: BoxShape.circle,
                    image: DecorationImage(
                      fit: BoxFit.fill,
                      image:   AssetImage("assets/avatar.jpg"),
                    )
                )
            ),
            SizedBox(height: 20),
            Container(
              height: 105,
              width: 105,
              decoration: const BoxDecoration(
                shape: BoxShape.circle,
                gradient: LinearGradient(
                  colors: [
                    Color(0xFFA9C8F6),
                    Color(0xFF75A4EA),
                    Color(0xFF1B80F0),
                    Color(0xFF0080FF),
                  ],
                  stops: [0, 0.33, 0.58, 1.0],
                  begin: Alignment.topCenter,
                  end: Alignment.bottomCenter,
                  transform: GradientRotation(-pi / 1.35),
                ),
              ),
              child: Center(
                child: Container(
                  decoration: const BoxDecoration(
                    shape: BoxShape.circle,
                    color: Colors.white,
                  ),
                  height: 100,
                  width: 100,
                ),
              ),
            ),
            SizedBox(height: 20),
            Container(
              height: 100,
              width: 100,
              decoration: const BoxDecoration(
                shape: BoxShape.circle,
                color: Colors.grey,
              ),
              child: Center(
                child: Container(
                  height: 90,
                  width: 90,
                  decoration: const BoxDecoration(
                    shape: BoxShape.circle,
                    color: Colors.white,
                  ),
                ),
              ),
            ),
          ],
        ),
      ),
    );
  }
}