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import 'package:flutter/material.dart'; void main(){ runApp(MyApp()); } class MyApp extends StatelessWidget{ @override var stack = new Stack( alignment: const FractionalOffset(0.5, 0.7), children: <Widget>[ new CircleAvatar( backgroundImage: new NetworkImage("https://avatars2.githubusercontent.com/u/41252899?s=460&v=4"), radius: 100.0, )
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