flutter :获取手势检测器的局部位置

import 'package:flutter/material.dart';

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

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      home: Scaffold(
        appBar: AppBar(
          title: Text('Gesture Detector Demo'),
        ),
        body: Center(
          child: GestureDetector(
            onTapDown: (TapDownDetails details) {
              // 获取局部位置信息
              Offset localPosition = details.localPosition;
              print('局部位置：$localPosition');
            },
            child: Container(
              width: 200,
              height: 200,
              color: Colors.blue,
            ),
          ),
        ),
      ),
    );
  }
}