在颤动中放大CircleAvatar小部件的图像

import 'package:flutter/material.dart';

class MyWidget extends StatefulWidget {
  @override
  _MyWidgetState createState() => _MyWidgetState();
}

class _MyWidgetState extends State<MyWidget> {
  double imageSize = 100.0;

  @override
  Widget build(BuildContext context) {
    return GestureDetector(
      onTap: () {
        setState(() {
          // 在点击时将图像大小放大
          imageSize = 200.0;
        });
      },
      child: AnimatedContainer(
        duration: Duration(milliseconds: 500),
        width: imageSize,
        height: imageSize,
        child: CircleAvatar(
          backgroundImage: AssetImage('assets/avatar.png'),
        ),
      ),
    );
  }
}